CN103607247A - Laser receiving device - Google Patents
Laser receiving device Download PDFInfo
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- CN103607247A CN103607247A CN201310547208.0A CN201310547208A CN103607247A CN 103607247 A CN103607247 A CN 103607247A CN 201310547208 A CN201310547208 A CN 201310547208A CN 103607247 A CN103607247 A CN 103607247A
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- circuit plate
- amplification
- lens
- filter
- rectification circuit
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Abstract
The invention provides a laser receiving device, relating to a laser receiving device in the technical field of photoelectric guidance. The technical problem to be solved is to provide the laser receiving device. The solved technical scheme is that the laser receiving device comprises a receiving object lens part, a preamplifier part, and a receiving body part. The receiving object lens part is connected with the preamplifier part through a lens seat. The preamplifier part is connected with the receiving body part through a screw. The receiving object lens part receives an external laser signal. The preamplifier part converts the received laser signal into an analog electric signal. The receiving body part carries out amplification shaping on the analog electric signal to be a digital electric signal and transmits the digital electric signal to a flying body. The laser receiving device has the advantages of high sensitivity, strong sun light interference resistance ability, and a wide use value.
Description
Technical field
The invention belongs to a kind of laser receiver relating in laser guidance technique field.
Background technology
Laser receiver is a kind of laser receiver being arranged on flying body, that the signal of telecommunication is surveyed and be converted to the weak laser space encoding signal after propagation in atmosphere decay, after amplifying shaping with Transistor-Transistor Logic level (high level >=3.4V, low level≤0.4V) each modulating frequency of output information field, calculates the position modulation degree of flying body in spatial information field for wave detector on flying body.In laser guidance technique field, be used widely.
Through looking into the report that newly there is no to find the prior art close with the present invention.
Summary of the invention
The object of the invention is the weak laser space encoding signal after propagation in atmosphere decay to survey and anti-sunlight disturbs, make flying body flight during receiving system be difficult for losing code and disturbed by sunlight, and then improve the guidance precision of flying body.
The technical problem to be solved in the present invention is: a kind of laser receiver is provided.The technical scheme of technical solution problem as shown in Figure 1, is to be grouped into by receiving objective part, preposition amplifier section, reception body.Wherein:
Receiving objective part: comprise filter trim ring 1, filter 2, spacer ring 3, lens 4, picture frame 5; Wherein lens 4 are contained in 5 li, picture frame, the one side of lens 4 levels is close to picture frame 5, on the convex surface of lens 4, put spacer ring 3, spacer ring 3 is adjacent to the convex surface edge of lens 4, on the left side of spacer ring 3, put filter 2, make the working face of filter 2 perpendicular to the optical axis of lens 4, on the left side of filter 2, put filter trim ring 1, filter trim ring 1 is tightened and is pressed on filter 2 edges, the left side by the screw thread on the screw thread in its outside and the left end position of picture frame 5, has so just formed receiving objective part.
Preposition amplifier section: comprise lens mount 6, PIN photodiode 7, pre-amplification circuit plate 8, pre-amplification circuit plate trim ring 9; PIN photodiode 7 is arranged on pre-amplification circuit plate 8, pre-amplification circuit plate 8 is arranged in the cavity on lens mount 6 right sides, make the edge of pre-amplification circuit plate 8 be close to lens mount 6 cavity edges, the right side, and make the reception working face of PIN photodiode 7 towards the direction of lens 4, on the right side of pre-amplification circuit plate 8, place pre-amplification circuit plate trim ring 9, pre-amplification circuit plate trim ring 9 is tightened and is pressed on pre-amplification circuit plate 8 by the screw thread at the screw thread in its outside and the right-hand member position of lens mount 6, has so just formed preposition amplification part.
Reception body divides: comprise amplification and rectification circuit plate Connection Block 10, amplification and rectification circuit plate 11, self-supporting power circuit board 12, housing 13, socket 14, amplification and rectification circuit plate Connection Block 10 is positioned at the high order end that receives body, bonding by AB glue and lens mount 6, amplification and rectification circuit plate 11 and self-supporting power circuit board 12 are equipped with in center on amplification and rectification circuit plate Connection Block 10 right sides, amplification and rectification circuit plate 11 and amplification and rectification circuit plate Connection Block 10 use screws are connected, self-supporting power circuit board 12 is connected with amplification and rectification circuit plate 11 by the contact pin of self, housing 13 is sleeved on amplification and rectification circuit plate Connection Block 10, the outside of amplification and rectification circuit plate 11 and self-supporting power circuit board 12, the left end of housing 13 is connected with lens mount 6 by screw, socket 14 is arranged on the center of housing 13 right-hand members by screw, be connected with flying body.
Receiving objective is partly connected with preposition amplifier section by lens mount 6, and preposition amplifier section is divided and is connected with reception body by screw.
Operation principle explanation
Laser receiver is mainly grouped into by receiving objective part, preposition amplifier section, reception body.
Receiving objective part is mainly comprised of a narrow band pass filter 2, lens 4 and picture frame 5, receives the laser controlling field information of 0.98 mu m waveband; Preposition amplifier section is by converting analog electrical signal to via faint laser signal after propagation in atmosphere decay, by high precision operating amplifier limited range enlargement by PIN photodiode 7; Receive the amplification and rectification circuit plate 11 of body in dividing and be the analog electrical signal after preposition amplifier section limited range enlargement by the nearly step limited range enlargement of high precision operating amplifier, then by comparator, the analog signal after amplifying is become to TTL digital frequency-modulation signal and export; Receiving the self-supporting power circuit board 12 of body in dividing is by the 18V～24V power supply providing on flying body, be converted to the needed working power+12V of receiving system and-12V; Housing 13 during reception body divides is to guarantee laser receiver optical axis and the receiving system housing datum line depth of parallelism and electromagnetic shielding; Socket 14 during reception body divides is the attachment plug of laser receiver and flying body.
Good effect of the present invention
Improved sensitivity and the anti-sunlight interference performance of laser receiver, make during flying body flight receiving system be difficult for losing code and disturbed by sunlight after flying body be difficult for dropping, improved the guidance precision of flying body.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of filter trim ring 1 in the present invention;
Fig. 3 is the structural representation of filter 2 in the present invention;
Fig. 4 is the structural representation of spacer ring 3 in the present invention;
Fig. 5 is the structural representation of lens 4 in the present invention;
Fig. 6 is the structural representation of picture frame 5 in the present invention;
Fig. 7 is the structural representation of lens mount 6 in the present invention;
Fig. 8 is the left TV structure schematic diagram of Fig. 7;
Fig. 9 is the PCB structural representation of pre-amplification circuit plate 8 in the present invention;
Figure 10 is the structural representation of pre-amplification circuit plate trim ring 9 in the present invention;
Figure 11 is the structural representation of amplification and rectification circuit plate Connection Block 10 in the present invention;
Figure 12 is the left TV structure schematic diagram of Figure 11;
Figure 13 is the plan structure schematic diagram of Figure 11;
Figure 14 is the positive PCB structural representation of amplification and rectification circuit plate 11 in the present invention;
Figure 15 is the reverse side PCB structural representation of amplification and rectification circuit plate 11 in the present invention;
Figure 16 is the positive PCB structural representation of self-supporting power circuit board 12 in the present invention;
Figure 17 is the reverse side PCB structural representation of self-supporting power circuit board 12 in the present invention;
Embodiment.
The present invention presses the structural representation shown in Fig. 1 and implements, and wherein filter 2 adopts the glass of HB8 material and 948-988nm (centre wavelength 969nm) is plated to antireflective film, and transmitance is greater than 99%; Lens 4 adopt the glass of LVK3 material and to 948-988nm (centre wavelength 969nm) plating antireflective film, transmitance is greater than 99%; Filter trim ring 1, spacer ring 3, picture frame 5, lens mount 6, pre-amplification circuit plate trim ring 9, amplification and rectification circuit plate Connection Block 10, housing 13 form by aluminum fine finishining; Housing 13 surface conductance oxidations.Pre-amplification circuit plate 8 is pressed the PCB structural representation welding shown in Fig. 9 and is implemented, and wherein R1, R2, R3, R4, R5, R6, R7 are carbon film resistor; C01, C02, C03, C04, C2, C11 are monolithic capacitor; CA1, CA2 are tantalum capacitor; L1, L2 are magnetic bead; D1, D2 are diode; GD is PIN photodiode; U1 is amplifier.In the present invention, amplification and rectification circuit plate 11 is pressed the PCB structural representation welding enforcement shown in Figure 14 and Figure 15, and wherein R01, R03, R04, R05, R06, R11, R12, R13, R14, R15, R21, R22, R24, R25, R31, R32, R33, R34, R35, R41, R42, R43, RA1, RA2, RA3, RA4 are carbon film resistor; C01, C02, C05, C06, C12, C13, C14, C15, C21, C22, C23, C25, C26, C32, C33, C34, C35, C42, C44, C43, CW7, CW8 are monolithic capacitor; CW6, CA1, CA2, CA3, CA4 are tantalum capacitor; U0, U1, U2, U3 are amplifier; U4 is comparator; L, L1 are magnetic bead.In the present invention, self-supporting power circuit board 12 is pressed the PCB structural representation welding enforcement shown in Figure 16 and Figure 17, and wherein RW1, RW2 are carbon film resistor; CW0, CW4, CW5 are monolithic capacitor; CW1, CW2, CW3 are tantalum capacitor; L1, L2 are inductance; FIL is filter; W1 is DC-DC power module.
Claims (1)
1. a laser receiver, is characterized in that comprising that receiving objective part, preposition amplifier section, reception body divide, receiving objective part: comprise filter trim ring (1), filter (2), spacer ring (3), lens (4), picture frame (5), it is inner that wherein lens (4) are contained in picture frame (5), the one side of lens (4) level is close to picture frame (5), on the convex surface of lens (4), put spacer ring (3), spacer ring (3) is adjacent to the convex surface edge of lens (4), on the left side of spacer ring (3), put filter (2), make the working face of filter (2) perpendicular to the optical axis of lens (4), on the left side of filter (2), put filter trim ring (1), filter trim ring (1) is tightened to be pressed on filter (2) edge, the left side by the screw thread on the screw thread in its outside and the left end position of picture frame (5) and has been formed receiving objective, preposition amplifier section: comprise lens mount (6), PIN photodiode (7), pre-amplification circuit plate (8), pre-amplification circuit plate trim ring (9), PIN photodiode (7) is arranged on pre-amplification circuit plate (8), pre-amplification circuit plate (8) is arranged in the cavity on lens mount (6) right side, make the edge of pre-amplification circuit plate (8) be close to cavity edge, lens mount (6) right side, and make the reception working face of PIN photodiode (7) towards the direction of lens (4), pre-amplification circuit plate trim ring (9) is placed on right side at pre-amplification circuit plate (8), pre-amplification circuit plate trim ring (9) is tightened and is pressed in pre-amplification circuit plate (8) by the screw thread at the screw thread in its outside and the right-hand member position of lens mount (6), reception body divides: comprise amplification and rectification circuit plate Connection Block (10), amplification and rectification circuit plate (11), self-supporting power circuit board (12), housing (13), socket (14), amplification and rectification circuit plate Connection Block (10) is positioned at the high order end that receives body, bonding by AB glue and lens mount (6), in the center on amplification and rectification circuit plate Connection Block (10) right side, amplification and rectification circuit plate (11) and self-supporting power circuit board (12) are housed, amplification and rectification circuit plate (11) and amplification and rectification circuit plate Connection Block (10) are connected with screw, self-supporting power circuit board (12) is connected with amplification and rectification circuit plate (11) by the contact pin of self, housing (13) is sleeved on amplification and rectification circuit plate Connection Block (10), the outside of amplification and rectification circuit plate (11) and self-supporting power circuit board (12), the left end of housing (13) is connected with lens mount (6) by screw, socket (14) is arranged on the center of housing (13) right-hand member by screw, be connected with flying body, receiving objective is partly connected with preposition amplifier section by lens mount (6), and preposition amplifier section is divided and is connected with reception body by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547208.0A CN103607247A (en) | 2013-11-06 | 2013-11-06 | Laser receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310547208.0A CN103607247A (en) | 2013-11-06 | 2013-11-06 | Laser receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103607247A true CN103607247A (en) | 2014-02-26 |
Family
ID=50125449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310547208.0A Pending CN103607247A (en) | 2013-11-06 | 2013-11-06 | Laser receiving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103607247A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452604A (en) * | 2016-06-21 | 2017-02-22 | 河南平原光电有限公司 | Laser receiver |
| CN107204757A (en) * | 2017-06-05 | 2017-09-26 | 成都优博创通信技术股份有限公司 | A kind of double limit processing units |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257210A (en) * | 1998-12-17 | 2000-06-21 | 中国科学院武汉物理与数学研究所 | Laser radar ray receiver |
| JP2004254207A (en) * | 2003-02-21 | 2004-09-09 | Matsushita Electric Ind Co Ltd | Infrared wireless headphone device |
| KR100741569B1 (en) * | 2004-07-28 | 2007-07-23 | 이해석 | Repeater for cellular communication using laser beam |
| CN101656574A (en) * | 2009-07-21 | 2010-02-24 | 中国船舶重工集团公司第七一七研究所 | Portable wireless laser communication terminal machine |
| KR101304751B1 (en) * | 2013-04-26 | 2013-09-05 | 김용 | Inclined laser level meter |
-
2013
- 2013-11-06 CN CN201310547208.0A patent/CN103607247A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1257210A (en) * | 1998-12-17 | 2000-06-21 | 中国科学院武汉物理与数学研究所 | Laser radar ray receiver |
| JP2004254207A (en) * | 2003-02-21 | 2004-09-09 | Matsushita Electric Ind Co Ltd | Infrared wireless headphone device |
| KR100741569B1 (en) * | 2004-07-28 | 2007-07-23 | 이해석 | Repeater for cellular communication using laser beam |
| CN101656574A (en) * | 2009-07-21 | 2010-02-24 | 中国船舶重工集团公司第七一七研究所 | Portable wireless laser communication terminal machine |
| KR101304751B1 (en) * | 2013-04-26 | 2013-09-05 | 김용 | Inclined laser level meter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452604A (en) * | 2016-06-21 | 2017-02-22 | 河南平原光电有限公司 | Laser receiver |
| CN107204757A (en) * | 2017-06-05 | 2017-09-26 | 成都优博创通信技术股份有限公司 | A kind of double limit processing units |
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Application publication date: 20140226 |
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