CN208383148U - It is a kind of can the external optical fibre gyro debugged - Google Patents
It is a kind of can the external optical fibre gyro debugged Download PDFInfo
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- CN208383148U CN208383148U CN201820566962.7U CN201820566962U CN208383148U CN 208383148 U CN208383148 U CN 208383148U CN 201820566962 U CN201820566962 U CN 201820566962U CN 208383148 U CN208383148 U CN 208383148U
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- optical fibre
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- fibre gyro
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Abstract
The utility model relates to it is a kind of can the external optical fibre gyro debugged, including light path part interconnected and circuit part, circuit part includes sequentially connected preceding electric discharge road (6), adc circuit (7), fpga chip (8), DAC circuit (9) and rear electric discharge road (10), the fpga chip (8) is connected with communication interface (11), communication interface (11) includes the first interface for communicating with fpga chip (8) and the second interface for communicating with external equipment (13), the first interface and second interface is bidirectional interface, the circuit part further includes the memory (12) connecting with fpga chip (8), the memory (12) is random access memory.Compared with prior art, the utility model increases memory on optical fibre gyro primary circuit plate, enables FPGA read-write memory chip, it is covered to carry out software debugging, facilitate external parameter configuration, temperature-compensating, detection upgrading is carried out to gyro, production efficiency is higher.
Description
Technical field
The utility model relates to a kind of optical fibre gyros, can the external optical fibre gyro debugged more particularly, to one kind.
Background technique
Gyroscope is a kind of angular rate sensor, is the device of sensitive relative inertness space angular movement, is currently used for true
Determine the main sensors of movable body spatial movement posture.It can be applied to the various fields in sea, land and air day.But traditional fiber gyro, ginseng
Number is adjusted or is written temperature compensation parameter and just needs to reconfigure debugging software, and configures debugging software and need Unclosing structure
Outer cover could complete software debugging.But fibre optic gyroscope is compact-sized, and optical device used, electronic device are sensitive.Unclosing structure
Outer cover can change the state of optical fibre gyro, may cause optics or electronic device and ground by the damage of the factors such as electrostatic, structural member
Damage is not suitable for the subsequent high efficiency maintenance upgrading of product.But currently in the industry without one kind can the external optical fibre gyro debugged set
Meter scheme, this results in traditional fiber gyro to be unable to satisfy efficient maintenance upgrade requirement, and therefore, urgent need will design and develop one
Kind can the external optical fibre gyro debugged.
Utility model content
The purpose of this utility model is exactly to overcome the problems of the above-mentioned prior art and providing one kind external can adjust
The optical fibre gyro of examination.
The purpose of this utility model can be achieved through the following technical solutions:
It is a kind of can the external optical fibre gyro debugged, including light path part interconnected and circuit part, the circuit
Part include it is sequentially connected before electric discharge road, adc circuit, fpga chip, DAC circuit and after discharge road, the fpga chip
It is connected with communication interface, the communication interface includes first interface for communicating with fpga chip and for logical with external equipment
The second interface of news, the first interface and second interface are bidirectional interface, and the circuit part further includes and FPGA
The memory of chip connection, the memory are random access memory.
The optical fibre gyro is single axis fiber gyro, double-shaft optical fiber gyroscope or three axis optical fibre gyro.
The light path part includes sequentially connected light source, coupler, Y waveguide, fiber optic loop, and is connect with coupler
Detector, the preceding electric discharge road connect with detector, and rear road of discharging is connect with Y waveguide.
The fiber optic loop is formed by polarization maintaining optical fibre coiling.
The cross-sectional structure of the polarization maintaining optical fibre is respectively resinous protective coating layer, base tube layer, stress from outside to inside
Area and sandwich layer, the resinous protective coating layer outer surface are coated with tack acrylic coating layer.
Graphene composite curing glue is filled between the polarization maintaining optical fibre.
Compared with prior art, the utility model has the advantage that
(1) increase memory on optical fibre gyro primary circuit plate, enable FPGA read-write memory chip, it is covered
Software debugging is carried out, facilitates external parameter configuration, temperature-compensating, detection upgrading is carried out to gyro, production efficiency is higher.
(2) the resinous protective coating layer outer surface of polarization maintaining optical fibre is coated with tack acrylic coating layer, turns to fiber optic loop
After need only carry out heating, drying at a certain temperature, waterproof, anti-corrosion, fiber optic loop Production Time is short, high-efficient, production side
Just.
(3) it is filled with graphene composite curing glue between polarization maintaining optical fibre, the internal temperature gradient of optical fiber loop can be made quick
Reduce, so that temperature field is rapidly reached balance, reduce the error of fibre optic gyroscope.
Detailed description of the invention
Fig. 1 is the present embodiment optical fibre gyro schematic diagram of internal structure.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
Embodiment
As shown in Figure 1, it is a kind of can the external optical fibre gyro debugged, including light path part interconnected and circuit part,
Circuit part includes sequentially connected preceding electric discharge road 6, adc circuit 7, fpga chip 8, DAC circuit 9 and rear electric discharge road 10, FPGA
Chip 8 is connected with communication interface 11, and communication interface 11 includes first interface for communicating with fpga chip 8 and for setting with outside
The second interface of standby 13 communication, first interface and second interface are bidirectional interface, and circuit part further includes connecting with fpga chip 8
The memory 12 connect, memory 12 are random access memory.
Optical fibre gyro is single axis fiber gyro, double-shaft optical fiber gyroscope or three axis optical fibre gyro.
Light path part includes sequentially connected light source 1, coupler 2, Y waveguide 3, fiber optic loop 4, and is connect with coupler 2
Detector 5, preceding electric discharge road 6 connect with detector 5, and rear road 10 of discharging is connect with Y waveguide 3.
Fiber optic loop 4 is formed by polarization maintaining optical fibre coiling.
The cross-sectional structure of polarization maintaining optical fibre is respectively resinous protective coating layer, base tube floor, stress area and core from outside to inside
Layer, resinous protective coating layer outer surface is coated with tack acrylic coating layer.
Graphene composite curing glue is filled between polarization maintaining optical fibre.
Claims (6)
1. one kind can the external optical fibre gyro debugged, including light path part interconnected and circuit part, the circuit portion
Point include it is sequentially connected before electric discharge road (6), adc circuit (7), fpga chip (8), DAC circuit (9) and afterwards discharge road (10),
The fpga chip (8) is connected with communication interface (11), which is characterized in that the communication interface (11) includes being used for and FPGA
The first interface of chip (8) communication and the second interface for being used to communicate with external equipment (13), the first interface and second
Interface is bidirectional interface, and the circuit part further includes the memory (12) connecting with fpga chip (8), the storage
Device (12) is random access memory.
2. one kind according to claim 1 can the external optical fibre gyro debugged, which is characterized in that the optical fibre gyro is
Single axis fiber gyro, double-shaft optical fiber gyroscope or three axis optical fibre gyro.
3. one kind according to claim 1 can the external optical fibre gyro debugged, which is characterized in that the light path part packet
Include sequentially connected light source (1), coupler (2), Y waveguide (3), fiber optic loop (4), and the detector connecting with coupler (2)
(5), the preceding electric discharge road (6) connect with detector (5), and electric discharge road (10) is connect with Y waveguide (3) afterwards.
4. one kind according to claim 3 can the external optical fibre gyro debugged, which is characterized in that the fiber optic loop (4)
It is formed by polarization maintaining optical fibre coiling.
5. one kind according to claim 4 can the external optical fibre gyro debugged, which is characterized in that the polarization maintaining optical fibre
Cross-sectional structure is respectively resinous protective coating layer, base tube floor, stress area and sandwich layer from outside to inside, and the resin, which is protected, to be applied
Layer outer surface is coated with tack acrylic coating layer.
6. one kind according to claim 4 can the external optical fibre gyro debugged, which is characterized in that the polarization maintaining optical fibre it
Between be filled with graphene composite curing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566962.7U CN208383148U (en) | 2018-04-19 | 2018-04-19 | It is a kind of can the external optical fibre gyro debugged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566962.7U CN208383148U (en) | 2018-04-19 | 2018-04-19 | It is a kind of can the external optical fibre gyro debugged |
Publications (1)
| Publication Number | Publication Date |
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| CN208383148U true CN208383148U (en) | 2019-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388937A (en) * | 2018-04-19 | 2019-10-29 | 上海亨通光电科技有限公司 | It is a kind of can the external optical fibre gyro debugged and adjustment method |
-
2018
- 2018-04-19 CN CN201820566962.7U patent/CN208383148U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388937A (en) * | 2018-04-19 | 2019-10-29 | 上海亨通光电科技有限公司 | It is a kind of can the external optical fibre gyro debugged and adjustment method |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 200436 No. 555 JIANGCHANG West Road, Jingan District, Shanghai Patentee after: Shanghai Aoshi Control Technology Co., Ltd Address before: 200436 No. 555 JIANGCHANG West Road, Jingan District, Shanghai Patentee before: SHANGHAI HENGTONG PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |