CN208109125U - A kind of miniaturization optical fiber gyro using Two-level ensemble chip - Google Patents
A kind of miniaturization optical fiber gyro using Two-level ensemble chip Download PDFInfo
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- CN208109125U CN208109125U CN201820566892.5U CN201820566892U CN208109125U CN 208109125 U CN208109125 U CN 208109125U CN 201820566892 U CN201820566892 U CN 201820566892U CN 208109125 U CN208109125 U CN 208109125U
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Abstract
The utility model relates to a kind of miniaturization optical fiber gyros using Two-level ensemble chip, including light path part and circuit part, the 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), and the communication interface (11) being connect with fpga chip (8), the preceding electric discharge road (6), adc circuit (7), DAC circuit (9), it discharges road (10) afterwards and communication interface (11) is integrated in a Two-level ensemble chip (12), the Two-level ensemble chip (12) is connect with fpga chip (8).Compared with prior art, the utility model can reduce the cloth plate suqare of circuit board, realize miniaturization, have the advantages that integrated level is high, small in size, low-power consumption, high reliablity.
Description
Technical field
The utility model relates to a kind of optical fibre gyros, more particularly, to a kind of Miniature optical fiber using Two-level ensemble chip
Gyro.
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.Gyro chip integrated level is low, leads
It causes the cloth plate suqare of traditional fiber gyro circuit board to increase, and cannot achieve miniaturization.Miniature fiber gyro application field is to it
Volume power consumption requirements are very harsh, and are badly in need of a kind of small size, low-power consumption, highly integrated Two-level ensemble chip.Existing chip
It is unable to satisfy its use demand, therefore is badly in need of developing a kind of small-sized Two-level ensemble chip.
Utility model content
The purpose of this utility model is exactly to provide a kind of using secondary to overcome the problems of the above-mentioned prior art
The miniaturization optical fiber gyro of integrated chip.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of miniaturization optical fiber gyro using Two-level ensemble chip, including light path part and circuit part, the electricity
Road part include it is sequentially connected before electric discharge road, adc circuit, fpga chip, DAC circuit and after discharge road, and with FPGA core
The communication interface of piece connection,
Preceding electric discharge road, adc circuit, DAC circuit, rear electric discharge road and the communication interface is integrated in a Two-level ensemble core
In piece, the Two-level ensemble chip is connect with fpga chip.
The light path part includes light source, coupler, Y waveguide, fiber optic loop and detector, the preceding electric discharge road and is visited
Device connection is surveyed, rear road of discharging is connect with Y waveguide.
The winding structure of the fiber optic loop is one of single coil configuration, dipolar configuration and level Four symmetrical mechanism.
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 following advantages that：
(1) electric discharge road, adc circuit, DAC circuit, rear electric discharge road and communication interface are integrated in a Two-level ensemble chip before
In, it can reduce the cloth plate suqare of circuit board, realize miniaturization, high, small in size, low-power consumption, high reliablity with integrated level
Advantage.
(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 structural schematic diagram of existing fiber gyro light path part and circuit part；
Fig. 2 is the structural schematic diagram of the present embodiment fiber-optic gyroscope light path part and circuit part.
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, existing optical fibre gyro includes light path part 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, and the communication connecting with fpga chip 8 connect
Mouth 11.
As shown in Fig. 2, the present embodiment use Two-level ensemble chip miniaturization optical fiber gyro, light path part include light source 1,
Coupler 2, Y waveguide 3, fiber optic loop 4 and detector 5, preceding electric discharge road 6 are connect with detector 5, rear road 10 and the company of Y waveguide 3 of discharging
It connects, preceding electric discharge road 6, adc circuit 7, DAC circuit 9, rear electric discharge road 10 and communication interface 11 are integrated in a Two-level ensemble chip 12
In, Two-level ensemble chip 12 is connect with fpga chip 8, and circuit devcie quantity, volumetric spaces greatly reduce.It is achieved in volume more
It is small, the lower miniaturization optical fiber gyro of power consumption.
Fiber optic loop 4 is formed by polarization maintaining optical fibre coiling, and winding structure is single coil configuration, dipolar configuration or level Four symmetry machine
Structure.The cross-sectional structure of polarization maintaining optical fibre is respectively resinous protective coating layer, base tube floor, stress area and sandwich layer, tree from outside to inside
Rouge protective coating outer surface is coated with tack acrylic coating layer.
Graphene composite curing glue is filled in gap between polarization maintaining optical fibre, by solidification glue curing molding, due to multiple
It is added to graphene in condensation material, improves thermal conductivity, to improve optical fibre gyro temperature performance.
Claims (6)
1. a kind of miniaturization optical fiber gyro using Two-level ensemble chip, including light path part and circuit part, the 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 communication interface (11) and with fpga chip (8) connecting,
It is characterized in that, the preceding electric discharge road (6), adc circuit (7), DAC circuit (9), afterwards electric discharge road (10) and communication interface
(11) it is integrated in a Two-level ensemble chip (12), the Two-level ensemble chip (12) is connect with fpga chip (8).
2. a kind of miniaturization optical fiber gyro using Two-level ensemble chip according to claim 1, which is characterized in that described
Light path part include light source (1), coupler (2), Y waveguide (3), fiber optic loop (4) and detector (5), the preceding electric discharge road
(6) it is connect with detector (5), electric discharge road (10) is connect with Y waveguide (3) afterwards.
3. a kind of miniaturization optical fiber gyro using Two-level ensemble chip according to claim 2, which is characterized in that described
The winding structure of fiber optic loop (4) be one of single coil configuration, dipolar configuration and level Four symmetrical mechanism.
4. a kind of miniaturization optical fiber gyro using Two-level ensemble chip according to claim 2, which is characterized in that described
Fiber optic loop (4) formed by polarization maintaining optical fibre coiling.
5. a kind of miniaturization optical fiber gyro using Two-level ensemble chip according to claim 4, which is characterized in that described
Polarization maintaining optical fibre cross-sectional structure from outside to inside be respectively resinous protective coating layer, base tube floor, stress area and sandwich layer, it is described
Resinous protective coating layer outer surface be coated with tack acrylic coating layer.
6. a kind of miniaturization optical fiber gyro using Two-level ensemble chip according to claim 4, which is characterized in that described
Polarization maintaining optical fibre between be filled with graphene composite curing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820566892.5U CN208109125U (en) | 2018-04-19 | 2018-04-19 | A kind of miniaturization optical fiber gyro using Two-level ensemble chip |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820566892.5U CN208109125U (en) | 2018-04-19 | 2018-04-19 | A kind of miniaturization optical fiber gyro using Two-level ensemble chip |
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| CN208109125U true CN208109125U (en) | 2018-11-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388909A (en) * | 2018-04-19 | 2019-10-29 | 上海亨通光电科技有限公司 | A kind of miniaturization optical fiber gyro using Two-level ensemble chip |
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2018
- 2018-04-19 CN CN201820566892.5U patent/CN208109125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388909A (en) * | 2018-04-19 | 2019-10-29 | 上海亨通光电科技有限公司 | A kind of miniaturization optical fiber gyro using Two-level ensemble chip |
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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. |