CN218228854U - Anti-vibration inertia angle measuring device - Google Patents
Anti-vibration inertia angle measuring device Download PDFInfo
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- CN218228854U CN218228854U CN202222816891.0U CN202222816891U CN218228854U CN 218228854 U CN218228854 U CN 218228854U CN 202222816891 U CN202222816891 U CN 202222816891U CN 218228854 U CN218228854 U CN 218228854U
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- 238000013016 damping Methods 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000035939 shock Effects 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000006096 absorbing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an anti-vibration inertia angle measuring device, which relates to the technical field of navigation measurement and comprises an upper connecting plate, a sensor chip, a balancing weight, a damping piece and a lower connecting plate, wherein the upper connecting plate is connected with the lower connecting plate through the damping piece; in addition, inject upper junction plate, lower connecting plate and damper by link groove and connecting hole joint, and the three constitutes the frustum structure, and the focus of balancing weight is located the central axis of frustum structure for upper junction plate automatically regulated is the level under the action of gravity, and then can reduce assembly error to inertial angle measuring device's measurement accuracy's influence.
Description
Technical Field
The utility model relates to a navigation measurement technical field especially relates to an inertia angle measuring device is moved to antidetonation.
Background
The inertia angle measuring device is a device for detecting attitude information of a moving object, and is widely applied to automatic driving equipment.
In order to solve the above problems, patent CN204729541U discloses an inertia measuring apparatus, which is provided with a weight block, and two opposite sides of the weight block are connected to an inner wall of a housing through a first damping element and a second damping element, respectively, and a damping structure is arranged inside the inertia measuring apparatus to reduce the influence of vibration on an inertia sensor, however, if the inertia measuring apparatus is fixedly installed on a large-scale mechanical device, the inertia measuring apparatus vibrates mechanically randomly, and the damping effect of the damping structure arranged inside the inertia measuring apparatus on the vibration can be almost ignored; patent CN213502935U discloses an inertia measuring assembly, which includes an inertia measuring unit, a connecting assembly and a damping assembly, wherein the inertia measuring unit and the damping assembly are connected through the connecting assembly, the damping assembly is connected with an object to be detected, and the damping assembly is used to weaken the vibration transmitted from the object to be detected to the inertia measuring unit, however, because the inertia measuring unit has a light weight, the deformation of the damping assembly is limited during actual use, the inertia measuring unit is difficult to counteract the influence caused by mechanical vibration, and further the measuring accuracy of the inertia measuring device is seriously influenced; therefore, how to provide an inertia angle measuring device which has a good damping effect and higher measurement accuracy in a vibration environment is an urgent technical problem to be solved in the field.
Disclosure of Invention
The utility model aims at solving above-mentioned technical problem, provide an anti-vibration inertia angle measuring device, constitute the frustum structure through injecing upper junction plate, lower connecting plate and bumper shock absorber to add the balancing weight, effectively improved inertia angle measuring device's shock resistance, improved the measurement accuracy of inertia angle measuring device under the vibrations environment.
In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides an anti-vibration inertia angle measuring device, including upper junction plate, sensor chip, balancing weight, damping piece and lower connecting plate, the both ends of damping piece are provided with first connecting groove and second spread groove respectively, be provided with on the upper junction plate with first connecting hole of first connecting groove matched with, be provided with on the connecting plate down with second spread groove matched with second connecting hole, upper junction plate, lower connecting plate and damping piece constitute the frustum structure, the sensor chip is installed on the upper junction plate, balancing weight detachable install in the lower terminal surface of upper junction plate, and with the clearance has down between the connecting plate, the focus of balancing weight is located on the center axis of frustum structure.
Preferably, the plane of the first connecting hole is parallel to the upper end face of the damping piece, and the plane of the second connecting hole is parallel to the lower end face of the damping piece.
Preferably, the shock absorbing member is a flexible double ball rubber joint.
Preferably, the upper connecting plate is provided with a mounting groove matched with the shape of the sensor chip, and the sensor chip is fixed in the mounting groove through glue.
Preferably, the mounting groove is formed in the upper connecting plate, and the mounting groove is formed in the lower connecting plate.
Preferably, the counterweight block also comprises a cover plate used for closing the mounting groove, the cover plate and the counterweight block are connected through a group of screws, the connecting plate is located between the cover plate and the balancing weight.
Preferably, the central part of the lower connecting plate is of a hollow structure.
Preferably, the lower connecting plate is provided with a mounting hole for fixing the anti-vibration inertia angle measuring device on the navigation mounting circuit board.
Preferably, the sensor chip is connected with the navigation installation circuit board through a flexible circuit board.
Preferably, one end of the flexible circuit board, which is far away from the sensor chip, is provided with a first connection terminal, and the navigation installation circuit board is provided with a second connection terminal matched with the first connection terminal.
The utility model discloses for prior art gain following technological effect:
1. the utility model discloses injecing the upper junction plate, lower connecting plate and bumper shock absorber constitute the frustum structure, balancing weight detachable installs in the lower terminal surface of upper junction plate, and with have the clearance down between the connecting plate, the focus of balancing weight is located the center axis of frustum structure, through the aforesaid setting, can increase the compressive capacity or the tensile quantity of vibrations in-process bumper shock absorber, offset the influence of part vibrations to the upper junction plate, make the sensor chip of installing on the upper junction plate can remain stable at the vibrations in-process, and then effectively improved the measurement accuracy of inertia angle measuring device under the environment of shaking.
2. The utility model provides a sensor chip passes through the flexible circuit board and links to each other with navigation installation circuit board, and the one end that the sensor chip was kept away from to the flexible circuit board is provided with first connecting terminal, the navigation installation circuit board on be provided with first connecting terminal matched with second connecting terminal, can realize dismantling between inertia angle measuring device and the navigation circuit mounting panel through the cooperation of two connecting terminals and be connected, and then be convenient for inertia angle measuring device's change and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an anti-vibration inertial angle measurement device;
FIG. 2 is an exploded view of an anti-vibration inertial angle measurement device;
FIG. 3 is a schematic structural view of a sensor chip after being detached from an upper connection plate;
FIG. 4 is a schematic structural view of the upper connecting plate, the shock absorbing member and the lower connecting plate after being disassembled;
fig. 5 is a schematic structural view of the connection between the inertial angle measuring device and the navigation mounting circuit board.
The sensor comprises a cover plate 1, a cover plate 2, an upper connecting plate 2-1, a first connecting hole 2-2, a mounting groove 3, a sensor chip 4, a flexible circuit board 5, a balancing weight 6, a damping piece 6-1, a first connecting groove 6-2, a second connecting groove 7, a lower connecting plate 7-1, a mounting hole 7-2, a second connecting hole 8, a navigation mounting circuit board 9, a first connecting terminal 10 and a second connecting terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the following detailed description.
Example 1:
as shown in fig. 1 to 3, this embodiment provides an anti-vibration inertia angle measuring apparatus, which is provided with an upper connecting plate, and an installation groove 2-2 for installing a sensor chip 3 is provided on an upper end surface of the upper connecting plate 2, and the shape and size of the installation groove 2-2 are consistent with those of the sensor chip 3, so that the side wall of the installation groove 2-2 can limit the sensor chip 3 in the horizontal direction, in addition, the embodiment is further provided with a cover plate 1 detachably connected with the upper connecting plate 2 through a screw, the cover plate 1 can completely seal the installation groove 2-2, and meanwhile, the cover plate 1 can be matched with the installation groove 2-2 to limit the sensor chip 3 in the vertical direction, so that the cover plate 1, the upper connecting plate 2 and the sensor chip 3 can be connected into a whole.
In addition, the sensor chip 3 in this embodiment is fixed in the mounting groove 2-2 by glue, it should be understood that if the sensor chip 3 is limited by the cover plate 1 and the upper connecting plate 2, when there is an error in the machining dimension of the mounting groove 2-2 or the sensor chip 3, the sensor chip 3 will shake in the mounting groove 2-2, and the sensor chip 3 is further fixed by glue in this embodiment, which can effectively avoid the above problems; certainly, glue is fixed and is not the only fixed mode, in the production process, can adopt other fixed modes according to actual conditions, only need guarantee that sensor chip 3 can be further fixed can.
As shown in fig. 4, in this embodiment, four shock absorbing members 6 are provided, the shock absorbing members 6 are detachably connected to the connecting plate through connecting grooves and connecting holes, specifically, a first connecting groove 6-1 and a second connecting groove 6-2 are respectively provided at two ends of the shock absorbing member 6, a first connecting hole 2-1 matched with the first connecting groove 6-1 is provided on the upper connecting plate 2, a second connecting hole 7-2 matched with the second connecting groove 6-2 is provided on the lower connecting plate 7, and the sensor chip 3 is mounted on the upper connecting plate 2; when the detected piece vibrates, the upper connecting plate 2 and the lower connecting plate 7 move relatively to compress or stretch the shock absorption piece 6, and the compression or the stretching of the shock absorption piece 6 can absorb a large amount of vibration energy, so that the vibration amplitude of the upper connecting plate 2 is effectively reduced, and the influence of the vibration of the detected piece on the sensor chip 3 is reduced.
In addition, in the embodiment, the upper connecting plate 2, the lower connecting plate 7 and the damping piece 6 form a frustum structure, the balancing weight 5 is detachably mounted on the lower end face of the upper connecting plate 2, a gap is formed between the balancing weight 5 and the lower connecting plate 7, and the center of gravity of the balancing weight 5 is located on the central axis of the frustum structure; on one hand, the upper connecting plate 2 is additionally provided with the balancing weight 5, so that the compression amount or the tensile amount of the shock absorbing part 6 in the vibration process can be increased, the influence of partial vibration on the upper connecting plate 2 can be counteracted, the sensor chip 3 arranged on the upper connecting plate 2 can be kept stable in the vibration process, and the measurement precision of the inertial angle measuring device in the vibration environment is effectively improved; on the other hand, the upper connecting plate 2, the lower connecting plate 7 and the damping piece 6 form a frustum structure, the gravity center of the balancing weight 5 is located on the central axis of the frustum structure, after assembly is completed, the balancing weight 5, the upper connecting plate 2 and the sensor chip 3 can be regarded as a whole, because the upper connecting plate 2, the lower connecting plate 7 and the damping piece 6 form the frustum structure, the supporting force given to the upper connecting plate by the damping piece 6 can be decomposed into force parallel to the upper connecting plate 2 and force perpendicular to the upper connecting plate 2, wherein the force parallel to the upper connecting plate 2 can drive the upper connecting plate 2 to move in the horizontal direction until the force of the four damping pieces 6 on the upper connecting plate 2 in the horizontal direction is consistent, and because the gravity center of the balancing weight 5 is located on the central axis of the frustum structure, in the process, when the force of the four damping pieces 6 on the upper connecting plate 2 in the horizontal direction is consistent, the upper connecting plate 2 can be in the horizontal state, that is to say, under the action of the two component forces, the supporting forces of the four damping pieces 6 on the upper connecting plate 2 tend to gradually balance, so that the connecting plate 2 is automatically adjusted to be in the interference under the action of gravity, and then the interference, the connecting groove can reduce the measurement error of the measurement of the connection angle.
It should be added that: the upper limit of the number of the shock absorbing members 6 is not limited, but should be at least three.
Further, in this embodiment, the plane of the first connection hole 2-1 is parallel to the upper end surface of the shock absorbing member 6, and the plane of the second connection hole 7-2 is parallel to the lower end surface of the shock absorbing member 6.
The damper 6 in this embodiment is a flexible double-ball rubber joint, which can be replaced with other elastic members according to actual needs.
As shown in fig. 2 or fig. 4, the central part of the lower connecting plate 7 in the embodiment is of a hollow structure, so that the weight of the inertia angle measuring device can be reduced, and the influence on the whole weight of the device due to the additional arrangement of the balancing weight 5 is reduced, so that the device is also suitable for small-sized flight equipment, such as an unmanned aerial vehicle.
As shown in fig. 2 and 5, in this embodiment, a mounting hole 7-1 for connecting a navigation circuit connecting board 8 is formed in a lower connecting board 7, the lower connecting board 7 is detachably connected to the navigation circuit connecting board 8 through a screw, a sensor chip 3 is connected to a navigation mounting circuit board 8 through a flexible circuit board 4, a first connecting terminal 9 is disposed at one end of the flexible circuit board 4 away from the sensor chip 3, a second connecting terminal 10 matched with the first connecting terminal 9 is disposed on the navigation mounting circuit board 8, and the detachable connection between an inertia angle measuring device and the navigation mounting circuit board 8 can be realized through the matching of the two connecting terminals, thereby facilitating the replacement and maintenance of the inertia angle measuring device.
The assembly method of the inertia angle measuring device in the embodiment comprises the following steps:
the method comprises the following steps: the type of the counterweight 5 is selected according to the hardness of the damping member 6, specifically, before assembling, the hardness of the damping member 6 is measured, and then the weight of the counterweight 5 is selected according to the hardness of the damping member 6, and it should be noted that: the greater the stiffness of the damping member 6, the greater the weight of the counterweight 5.
Step two: equipment inertia angle measuring device, it is specific, at first fix sensor chip 3 on upper junction plate 2, and with apron 1 and upper junction plate 2 through the screw connection, then install balancing weight 5 at the lower terminal surface of upper junction plate 2, connect upper junction plate 2 and lower connecting plate 7 through damping piece 6 at last, it needs to explain here, damping piece 6 is the compressible piece of elasticity, and be equipped with the through-hole along its axis, in the installation, accessible extrusion damping piece 6's both ends make damping piece 6 pass the connecting hole on the connecting plate, and then make damping piece 6 and connecting plate pass through spread groove and connecting hole joint.
Step three: the inertial angle measuring device is connected to the navigation mount circuit board 8, and specifically, the inertial angle measuring device is fixed to the navigation mount circuit board 8 by screws, and then the first connection terminal 9 is connected to the second connection terminal 10.
Example 2:
different from embodiment 1, in this embodiment, the cover plate 1, the upper connecting plate 2 and the counterweight block 5 are connected through a set of screws, specifically, through holes for screws to pass through are formed in the cover plate 1 and the upper connecting plate 2, threaded holes matched with the screws are formed in the counterweight block 5, and in the installation process, the screws sequentially pass through the cover plate 1 and the upper connecting plate 2 and are finally screwed to the counterweight block 5.
The principle and the implementation mode of the utility model are explained by applying a specific embodiment, and the explanation of the embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides an anti-vibration inertia angle measuring device, its characterized in that, includes upper junction plate, sensor chip, balancing weight, shock attenuation piece and lower connecting plate, the both ends of shock attenuation piece are provided with first spread groove and second spread groove respectively, be provided with on the upper junction plate with first spread groove matched with first connecting hole, be provided with down on the connecting plate with second spread groove matched with second connecting hole, upper junction plate, lower connecting plate and shock attenuation piece constitute the frustum structure, the sensor chip is installed on the upper junction plate, balancing weight detachable install in the lower terminal surface of upper junction plate, and with the clearance has down between the connecting plate, the focus of balancing weight is located on the center axis of frustum structure.
2. The vibration-resistant inertial angle measuring device of claim 1, wherein the plane of the first connecting hole is parallel to the upper end surface of the shock absorbing member, and the plane of the second connecting hole is parallel to the lower end surface of the shock absorbing member.
3. An anti-vibration inertial angle measurement device according to claim 2, characterized in that the damping member is a flexible double ball rubber joint.
4. The vibration-resistant inertia angle measuring device of claim 1, wherein the upper connecting plate is provided with a mounting groove matching with the shape of the sensor chip, and the sensor chip is fixed in the mounting groove by glue.
5. An anti-vibration inertia angle measuring device according to claim 4, further comprising a cover plate for closing the mounting groove, wherein the cover plate is connected to the upper connecting plate by screws.
6. An anti-vibration inertia angle measuring device according to claim 4, further comprising a cover plate for closing the mounting groove, wherein the cover plate and the weight block are connected by a set of screws, and the connecting plate is located between the cover plate and the weight block.
7. The apparatus according to claim 5 or 6, wherein the lower connecting plate has a hollowed-out center.
8. The apparatus of claim 7, wherein the lower connecting plate has a mounting hole for fixing the apparatus to a navigation mounting circuit board.
9. The apparatus of claim 8, wherein the sensor chip is connected to the navigation mounting circuit board by a flexible circuit board.
10. The apparatus according to claim 9, wherein a first connection terminal is disposed at an end of the flexible circuit board away from the sensor chip, and a second connection terminal is disposed on the navigation mounting circuit board and is matched with the first connection terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222816891.0U CN218228854U (en) | 2022-10-25 | 2022-10-25 | Anti-vibration inertia angle measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222816891.0U CN218228854U (en) | 2022-10-25 | 2022-10-25 | Anti-vibration inertia angle measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218228854U true CN218228854U (en) | 2023-01-06 |
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ID=84670327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222816891.0U Active CN218228854U (en) | 2022-10-25 | 2022-10-25 | Anti-vibration inertia angle measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218228854U (en) |
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2022
- 2022-10-25 CN CN202222816891.0U patent/CN218228854U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100192 Zhongguancun Dongsheng Science and Technology Park, No. 66 Xixiaokou Road, Haidian District, Beijing. A801, 8th Floor, Building A, Building B-6, Northern Territory Patentee after: Bochuang Linkage Technology Co.,Ltd. Country or region after: China Address before: 100000 a801, 8 / F, block a, building B-6, Zhongguancun Dongsheng science and Technology Park, 66 xixiaokou Road, Haidian District, Beijing Patentee before: BEIJING BOCHUANG LIANDONG TECHNOLOGY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |