CN217504808U - Meter-adding inertia measuring device - Google Patents
Meter-adding inertia measuring device Download PDFInfo
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- CN217504808U CN217504808U CN202221156738.3U CN202221156738U CN217504808U CN 217504808 U CN217504808 U CN 217504808U CN 202221156738 U CN202221156738 U CN 202221156738U CN 217504808 U CN217504808 U CN 217504808U
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Abstract
The utility model provides an add table inertia measuring device, including adding the table base, and with add the lid that the table base can dismantle the connection, still include: a sealing ring groove is annularly arranged on the periphery of the meter adding base, and a conductive sealing ring is arranged in the sealing ring groove; the meter adding base is provided with a ring module, a meter adding module, a light source module and a processing module; the ring module is respectively connected with the light source module and the processing module; the meter adding module comprises an MENS meter adding meter and a quartz meter group, and the MENS meter adding meter and the quartz meter group are respectively connected with the processing module. The utility model discloses a seal ring groove and electrically conductive sealing washer have promoted and have added the holistic leakproofness of table inertial measurement unit, add the MENS simultaneously and establish as an organic wholely with the quartz that has the high accuracy with the table, carry on two sets and add the table system, satisfy the needs of the different scenes of customer.
Description
Technical Field
The utility model relates to an inertia measurement's technical field especially relates to an add table inertia measurement device.
Background
An inertial measurement unit is a device that measures the three-axis attitude angle (or angular rate) and acceleration of an object. Generally, an inertial measurement unit includes three single-axis accelerometers and three single-axis gyroscopes, the accelerometers detect acceleration signals of an object in three independent axes of a carrier coordinate system, and the gyroscopes detect angular velocity signals of the carrier relative to a navigation coordinate system, and measure angular velocity and acceleration of the object in three-dimensional space, and then calculate the attitude of the object. Has important application value in navigation.
In the prior art, a patent named "an inertia measurement unit" with publication number "CN 212274945U discloses an inertia measurement unit with high precision, low power consumption and small volume, but because it is not sealed, it is easy to affect the internal components when used in a humid environment, reducing the service life of the inertia measurement unit, and it is difficult for a single measurement system to satisfy the customer's requirements in all directions.
SUMMERY OF THE UTILITY MODEL
To exist not enough among the prior art, the utility model provides an add table inertia measuring device to traditional technical problem who adds that sealing treatment is not enough among the table inertia measuring device in solving the correlation technique.
The utility model provides an add table inertia measuring device, including adding the table base, and with add the lid that the table base can dismantle the connection, still include:
a sealing ring groove is annularly arranged on the periphery of the meter adding base, and a conductive sealing ring is arranged in the sealing ring groove;
the meter adding base is provided with a ring module, a meter adding module, a light source module and a processing module;
the ring module is respectively connected with the light source module and the processing module;
the meter adding module comprises an MENS meter adding meter and a quartz meter group, and the MENS meter adding meter and the quartz meter group are respectively connected with the processing module.
Optionally, the ring module includes a first ring module, a second ring module and a third ring module, the first ring module and the second ring module are adjacent and are vertically disposed relative to the meter-adding base, and the third ring module is horizontally disposed relative to the meter-adding base.
Optionally, the first ring module, the second ring module and the third ring module each include a ring support block, an optical fiber ring disposed inside the ring support block, a waveguide, and a PIN tube disposed outside the ring support block, the PIN tube is disposed between the add-table base and the third ring module, and the waveguide is connected to the optical fiber ring and the PIN tube, respectively.
Optionally, the processing module is connected between the third ring module and the PIN tube.
Optionally, the light source module is connected to the top of the third ring module, the light source module includes a light source base and a light source cover matched with the light source base, the light source base is provided with a light source and a coupler connected to the light source, and the coupler is further connected to the PIN tube.
Optionally, the MENS accelerometer is detachably arranged at the top of the light source seat, and the quartz accelerometer group comprises a first accelerometer supporting block, a second accelerometer supporting block, a first quartz accelerometer, a second quartz accelerometer and a third quartz accelerometer;
the first quartz adding meter is arranged on the first adding meter supporting block and horizontally faces the first ring module;
the second quartz dial gauge is arranged on the first dial gauge supporting block and horizontally faces the dial gauge base;
the third quartz adding meter is arranged on the second adding meter supporting block and horizontally faces to the second ring module.
Optionally, the system further comprises an external interface, wherein the external interface is vertically arranged on the meter adding base and horizontally faces the first ring module, and the external interface is connected with the processing module.
Optionally, the peripheral side of the cover body is provided with reinforcing ribs at intervals.
Optionally, the watch adding base and the cover body both adopt magnetic shielding materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the sealing ring groove is annularly arranged on the periphery of the meter adding base, the conductive sealing ring is arranged in the sealing ring groove, when the meter adding base is buckled with the cover body, the waterproof and dustproof effects are achieved on the internal components, the overall sealing performance of the meter adding inertia measuring device is improved, and the meter adding inertia measuring device can be repeatedly used after being disassembled.
2. MENS that will possess the well precision measurement adds the table and has the quartz of high accuracy and add the table and establish as an organic wholely, MENS adds the table and has small characteristics, makes to add the whole volume of table inertial measurement unit and slightly little, with quartz adds the combination of table and can carry on two sets of meter systems together, gathers the data of different precisions according to customer's needs, satisfies the needs of the different scenes of customer.
Drawings
Fig. 1 is a schematic structural view of the inertial measurement unit with meter according to the present invention;
fig. 2 is a schematic structural view of a ring module of the present invention;
fig. 3 is a schematic structural diagram of the light source module of the present invention;
FIG. 4 is a schematic side view of the inertial measurement unit of the present invention;
fig. 5 is a schematic connection diagram of the middle light source module, the meter-adding module, the ring module and the processing module of the present invention.
The reference numbers illustrate:
1. adding a meter base; 2. a cover body; 3. a first ring module; 4. a second ring module; 5. a third ring module; 6. a ring support block; 7. an optical fiber loop; 8. a waveguide; 9. a PIN tube; 10. a first circuit board; 11. a second circuit board; 12. a light source module; 13. a light source holder; 14. a light source cover; 15. a light source; 16. a coupler; 17. adding a table by the MENS; 18. adding a meter to the first quartz; 19. adding a meter to the second quartz; 20. adding a meter to the third quartz; 21. an external interface; 22. a seal ring groove; 23. reinforcing ribs; 24. a ring module cover; 25. a first adding surface supporting block; 26. and a second additional surface supporting block.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 5, the utility model provides an add table inertia measurement device, add table base 1, and with add table base 1 and can dismantle lid 2 of connection, still include:
a sealing ring groove 22 is annularly arranged on the periphery of the meter adding base 1, and a conductive sealing ring is arranged in the sealing ring groove 22;
the meter adding base 1 is provided with a ring module, a meter adding module, a light source module 12 and a processing module;
the ring module is respectively connected with the light source module 12 and the processing module;
the meter adding module comprises an MENS meter adding 17 and a quartz meter group, and the MENS meter adding 17 and the quartz meter group are respectively connected with the processing module.
In this embodiment, four corners of the periphery of the meter adding base 1 and the periphery of the cover body 2 are provided with threaded holes, and a conductive sealing ring is arranged in a sealing ring groove 22 annularly arranged on the periphery of the meter adding base 1, when the meter adding base 1 and the cover body 2 are in threaded connection through bolts and are fixed, the overall sealing performance is enhanced under the cooperation of the conductive sealing ring and the sealing ring groove 22, and the meter adding base is preferably suitable for an unmanned aerial vehicle and is used in a humid forest or desert environment; meanwhile, the MENS accelerometer 17 and the quartz gauge group are adopted to respectively realize acceleration with middle precision and high precision in measurement, and the processing module can simultaneously carry two sets of accelerometer systems to respectively deal with the MENS accelerometer 17 and the quartz gauge group; the light source module 12 is used for providing light for the ring module; the ring module is used for realizing accurate position positioning; the processing module is used for collecting and further calculating the parameters of each module and the ring module;
the utility model discloses both adopted seal ring groove 22 and electrically conductive sealing washer to make add table inertial measurement unit and possessed good waterproof dustproof performance, reached ip67 level waterproof requirement, simultaneously, the small MENS of precision adds table 17 and the quartzy of high accuracy of adding again and establishes as an organic wholely, provides the data of different precisions and satisfies the needs of the different scenes of user, light source module 12, the electric connected mode who adds table module, ring module and processing module belong to the conventional setting in this field, consequently differ one and describe repeatedly.
Referring to fig. 1, optionally, the ring module includes a first ring module 3, a second ring module 4, and a third ring module 5, where the first ring module 3 and the second ring module 4 are adjacent and vertically disposed with respect to the meter adding base 1, and the third ring module 5 is horizontally disposed with respect to the meter adding base 1.
In this embodiment, the positions of the first ring module 3, the second ring module 4, and the third ring module 5 are respectively set corresponding to the X axis, the Y axis, and the Z axis.
Referring to fig. 1 and 2, optionally, each of the first ring module 3, the second ring module 4, and the third ring module 5 includes a ring support block 6, a fiber ring 7 disposed inside the ring support block 6, a waveguide 8, and a PIN tube 9 disposed outside the ring support block 6, the PIN tube 9 is disposed between the add table base 1 and the third ring module 5, and the waveguide 8 connects the fiber ring 7 and the PIN tube 9, respectively.
In this embodiment, the number of the PIN tubes 9 is three, the first ring module 3, the second ring module 4 and the third ring module 5 correspond to one PIN tube 9 respectively, the optical fiber ring 7 is formed by surrounding an optical fiber with a length of several hundred meters, the first ring module 3 and the second ring module 4 are vertically arranged on the add table base 1 through a ring support block 6, the middle part of the ring support block 6 is hollow, the optical fiber ring 7 is annularly arranged inside the ring support block 6, the waveguide 8 is connected with the optical fiber ring 7 and arranged in the ring support block 6, and the waveguide 8 is connected with the PIN tubes 9; the first ring module 3 and the second ring module 4 are further provided with a detachable ring module cover 24 on one side close to the outside, the ring module cover 24 is detachably connected with one side close to the outside of the ring support block 6 in a threaded rotation or bolt fixing manner, and the ring module cover 24 is used for protecting the optical fiber ring 7 and the waveguide 8 inside.
Referring to fig. 1, optionally, the processing module is connected between the third ring module 5 and the PIN tube 9.
In this embodiment, the processing module includes a circuit board, and the circuit board may be made into a plurality of blocks due to the size of the space, wherein the first circuit board 10 is disposed between the third ring module 5 and the PIN tube 9, and one side of the second circuit board 11 close to the first circuit board 10 is disposed vertically with respect to the adding table base 1, so as to further reduce the waste of space and material.
Referring to fig. 1 and 3, optionally, the light source module 12 is connected to the top of the third ring module 5, the light source module 12 includes a light source base 13 and a light source cover 14 engaged with the light source base 13, a light source 15 and a coupler 16 connected to the light source 15 are disposed on the light source base 13, and the coupler 16 is further connected to the PIN tube 9.
In this embodiment, the light source module 12 is detachably disposed at the top of the third ring module 5 through the threaded holes at four corners of the light source base 13, the light source 15 inside the light source base 13 is equivalent to an initiating end, the light source 15 reaches the optical fiber ring 7 through the coupler 16 and the waveguide 8, the other end of the optical fiber ring 7 passes through the PIN tube 9 and is used for converting an optical signal into an electrical signal, and the electrical signal is transmitted to the processing module for analysis and processing.
Referring to fig. 1 and 4, optionally, the MENS plus gauge 17 is detachably disposed on the top of the light source base 13, and the quartz gauge set includes a first gauge support block 25, a second gauge support block 26, a first quartz gauge 18, a second quartz gauge 19 and a third quartz gauge 20;
the first quartz adding meter 18 is arranged on the first adding meter supporting block 25 and horizontally faces to the first ring module 3;
the second quartz adding meter 19 is arranged on the first adding meter supporting block 25 and horizontally faces the adding meter base 1;
the third quartz clock 20 is disposed on the second clock support block 26 and horizontally faces the second ring module 4.
In this embodiment, the positions of the three quartz adding meters (quartz flexible accelerometers) are respectively corresponding to three ring modules of an X axis, a Y axis and a Z axis.
Referring to fig. 1, optionally, the system further includes an external interface 21, where the external interface 21 is vertically disposed on the meter-adding base 1 and horizontally faces the first ring module 3, and the external interface 21 is connected to the processing module.
In this embodiment, the external interface 21 is used to implement power supply and communication of the processing module.
Referring to fig. 1, the cover body is optionally provided with reinforcing ribs 23 at intervals on the circumferential side.
In this embodiment, the reinforcing ribs 23 on the peripheral side of the lid body 2 are integrally formed, and the reinforcing ribs 23 reinforce the strength of the lid body 2.
Optionally, magnetic shielding materials are adopted for the meter adding base 1 and the cover body 2.
In this embodiment, the optical fiber ring seat 1 and the cover body 2 are made of magnetic shielding materials to prevent the internal magnetization of the ring module.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (9)
1. The utility model provides a add table inertial measurement unit, including adding the table base, and with add the lid that the table base can dismantle the connection, its characterized in that still includes:
a sealing ring groove is annularly arranged on the periphery of the meter adding base, and a conductive sealing ring is arranged in the sealing ring groove;
the meter adding base is provided with a ring module, a meter adding module, a light source module and a processing module;
the ring module is respectively connected with the light source module and the processing module;
the meter adding module comprises an MENS meter adding meter and a quartz meter group, and the MENS meter adding meter and the quartz meter group are respectively connected with the processing module.
2. The Meter-added inertial measurement unit of claim 1, wherein the ring module comprises a first ring module, a second ring module, and a third ring module, the first ring module and the second ring module being adjacent and vertically disposed with respect to the Meter-added base, the third ring module being horizontally disposed with respect to the Meter-added base.
3. The accelerometer inertia measurement device of claim 2, wherein the first ring module, the second ring module, and the third ring module each include a ring support block, a fiber ring disposed inside the ring support block, a waveguide, and a PIN tube disposed outside the ring support block, the PIN tube disposed between the accelerometer base and the third ring module, the waveguide connecting the fiber ring and the PIN tube, respectively.
4. The accelerometer inertial measurement unit of claim 3, wherein the processing module is connected between the third ring module and the PIN.
5. The inertia measurement assembly of claim 4, wherein the light source module is connected to the top of the third ring module, the light source module comprises a light source base and a light source cover engaged therewith, the light source base is provided with a light source and a coupler connected to the light source, and the coupler is further connected to the PIN diode.
6. The inertial measurement unit of claim 5, wherein the MENS accelerometer is detachably mounted on top of the light source base, and the quartz accelerometer set comprises a first accelerometer support block, a second accelerometer support block, a first quartz accelerometer, a second quartz accelerometer, and a third quartz accelerometer;
the first quartz adding meter is arranged on the first adding meter supporting block and horizontally faces the first ring module;
the second quartz clock adding device is arranged on the first clock adding supporting block and horizontally faces the clock adding base;
the third quartz adding meter is arranged on the second adding meter supporting block and horizontally faces the second ring module.
7. The accelerometer inertial measurement unit of claim 2, further comprising an external interface disposed vertically on the accelerometer base and horizontally facing the first ring module, the external interface being connected to the processing module.
8. The accelerometer inertia measurement device of any of claims 1-7, wherein the cover is provided with ribs spaced around the periphery.
9. The instrumented inertial measurement unit of claim 8, wherein the instrumented base and the cover are made of magnetically shielded material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156738.3U CN217504808U (en) | 2022-05-13 | 2022-05-13 | Meter-adding inertia measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221156738.3U CN217504808U (en) | 2022-05-13 | 2022-05-13 | Meter-adding inertia measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217504808U true CN217504808U (en) | 2022-09-27 |
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ID=83353962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221156738.3U Active CN217504808U (en) | 2022-05-13 | 2022-05-13 | Meter-adding inertia measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217504808U (en) |
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2022
- 2022-05-13 CN CN202221156738.3U patent/CN217504808U/en active Active
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