CN209212877U - A kind of shock-damping structure, inertia measuring module and unmanned vehicle - Google Patents
A kind of shock-damping structure, inertia measuring module and unmanned vehicle Download PDFInfo
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- CN209212877U CN209212877U CN201821992577.5U CN201821992577U CN209212877U CN 209212877 U CN209212877 U CN 209212877U CN 201821992577 U CN201821992577 U CN 201821992577U CN 209212877 U CN209212877 U CN 209212877U
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Abstract
The utility model belongs to air vehicle technique field, more particularly to a kind of shock-damping structure, inertia measuring module and unmanned vehicle, including outer layer elastomeric overmold body, hollow buffer space is equipped in outer layer elastomeric overmold body, filled with the resisting medium for playing damping by flowing when shock-damping structure is shaken in hollow buffer space, the outer layer elastomeric overmold body filled with resisting medium surrounds the accommodating space that will be wrapped in it to shock reducing structure.Shock-damping structure provided by the utility model can decay from the vibration to shock reducing structure circumferential direction, increase the circumferential restraining force to shock reducing structure, play complete cushioning effect；Easy for installation, consistency is good, and suitable for the inertia measuring module of different weight, reducing vibration influences the measurement accuracy of inertia measuring module, advantageously ensures that the flight safety of unmanned vehicle.
Description
Technical field
The utility model relates to air vehicle technique fields, and in particular to a kind of shock-damping structure, inertia measuring module and nobody
Aircraft.
Background technique
Unmanned plane is a kind of unmanned vehicle manipulated by radio robot or itself presetting apparatus.With
The rapid development of unmanned plane industry, more and more unmanned planes be applied to agricultural, forestry, electric power, mapping, telemetering etc. row
Industry.
In unmanned aerial vehicle control system, inertial measurement unit (IMU) is core component therein, can obtain unmanned flight
The posture information and location information of device, to realize self navigation completely.The main mechanical faced in inertial measuring unit operation
Environment is the violent random vibration of unmanned plane, and vibration can not only make the measurement data noise of inertial measuring unit larger, causes to count
According to distortion, measurement accuracy is reduced, and easily causes electronic component damage.
Currently, the first is to be sticked to damping foam after encapsulating IMU there are mainly two types of inertial measuring unit damping modes
A surface on, then by another surface mount of damping foam in housing bottom, although this kind of damping modes are in a short time
Preferable damping effect is obtained, but with the extension of use time, the bonding force between damping foam and IMU is gradually reduced,
So that the connection reliability between IMU and damping foam declines, it is detached from, and then is influenced to IMU so as to cause IMU and damping foam
Damping effect, in addition, the damping ratio of damping foam is relatively small.
Another damping modes are to be fixed on the mounting bracket IMU, are connected with multiple pairs of installations in mounting bracket bottom
Bracket carries out the damping of damping, and multiple damping interval settings are generally arranged at the four corners of mounting bracket, damping machine
Structure can be spring or shock-absorbing ball, and usually although yielding rubber ball, this kind of damping modes overcome damping modes in first
The problem of middle bonding force reduces, improves the reliability connected between IMU and damping, but this kind of damping modes can only decay
From axial vibration, the vibration in other directions cannot effectively be inhibited, and the load-bearing of this kind of damping modes is limited, be not suitable for
In the biggish IMU modular construction of quality.
Utility model content
The utility model in order to solve the above-mentioned technical problem, provide a kind of shock-damping structure, inertia measuring module and nobody
Aircraft, the shock-damping structure can decay the vibration from inertia measuring module circumferential direction, increase the week to inertia measuring module
Easy for installation to restraining force, damping effect is preferable.
To reach above-mentioned technical effect, the utility model uses following technical scheme:
In a first aspect, the utility model provides a kind of shock-damping structure, including outer layer elastomeric overmold body, the outer layer elasticity
It is equipped with hollow buffer space in covering body, is filled in the hollow buffer space and passes through when the shock-damping structure is shaken
The resisting medium of damping is played in flowing, and the outer layer elastomeric overmold body filled with resisting medium surrounds will be to shock reducing structure packet
The accommodating space being rolled in it.
As the improvement in the utility model structure, the outer layer elastomeric overmold external surface is connected with to be carried with external
The installation buckle that body is fixedly connected.
Preferably, the installation buckle is elastic rubbery body, including interconnecting piece and card convex portion, one end of the interconnecting piece
It is connected to the outer layer elastomeric overmold external surface, the other end is inserted into the outer carrier and by card convex portion clamping,
The card convex portion is fixed on the interconnecting piece.
Preferably, the resisting medium filled in the hollow buffer space is adhesive tape damping liquid.
Second aspect, the utility model provide a kind of inertia measuring module, including shell and the sensing being set in the housing
Component, clump weight and above-mentioned shock-damping structure.
Preferably, the accommodating space that the outer layer elastomeric overmold body of the shock-damping structure is surrounded wraps up the clump weight
In it, installation groove is offered at the top of the clump weight, the sensory package is fixed in the installation groove.
As the improvement in structure, the outer layer elastomeric overmold external surface of the shock-damping structure is connected with installation buckle, institute
Stating installation buckle is elastic rubbery body, and the installation buckle includes interconnecting piece and card convex portion, and the card convex portion is fixed on the company
In socket part, mounting hole is offered on the shell, one end of the interconnecting piece is connected to the outer layer elastomeric overmold external surface,
The other end passes through the mounting hole and the card convex portion by passing through mounting hole connects the outer layer elastomeric overmold body and the shell
It connects.
The third aspect, the utility model provide a kind of unmanned vehicle, including above-mentioned inertia measuring module.
By adopting the above technical scheme, including it is following the utility model has the advantages that shock-damping structure provided by the utility model includes outer layer
Elastomeric overmold body and the resisting medium being filled in it, the outer layer elastomeric overmold body filled with resisting medium surrounds will be to shock reducing structure
The accommodating space being wrapped in it, the shock-damping structure can decay from the vibration to shock reducing structure circumferential direction, increase to shock reducing structure
Circumferential restraining force, play complete cushioning effect；Easy for installation, consistency is good, the inertia measurement suitable for different weight
Module, reducing vibration influences the measurement accuracy of inertia measuring module, advantageously ensures that the flight safety of unmanned vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of shock-damping structure provided in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of inertia measuring module provided in the utility model embodiment 2；
Fig. 3 provides inertia measuring module another structural schematic diagram by the utility model embodiment 2.
In figure:
1, shock-damping structure；1.1, outer layer elastomeric overmold body；1.2, resisting medium；1.3, installation buckle；1.31, interconnecting piece；
1.32, card convex portion；2, shell；3, clump weight；4, sensory package；5, the second shock-damping structure.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, implement below in conjunction with the utility model
Attached drawing in example, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for domain those of ordinary skill every other embodiment obtained without creative efforts
The range of type protection.
In the present invention, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or
Positional relationship.These terms are not intended to limit indicated primarily to better describe the utility model and embodiment
Device, element or component must have particular orientation, or be constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " " socket " shall be understood in a broad sense.For example, can
To be to be fixedly connected, it is detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be directly connected,
It either indirectly connected through an intermediary, or is two connections internal between device, element or component.For
For those of ordinary skill in the art, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Unless otherwise indicated, the meaning of " multiple " is two or more.
Below by specific embodiment and in conjunction with attached drawing, the utility model is further described in detail.
Embodiment one:
A kind of shock-damping structure is present embodiments provided, refering to fig. 1, including outer layer elastomeric overmold body 1.1, it is preferable that outer layer
Elastomeric overmold body 1.1 can be rubber bodies, be equipped with hollow buffer space in outer layer elastomeric overmold body 1.1, in hollow buffer space
Filled with the resisting medium for playing damping by flowing when the shock-damping structure is shaken, it is preferable that hollow buffer
The resisting medium 1.2 filled in space is adhesive tape damping liquid, such as damping oil.Outer layer elasticity packet filled with resisting medium
It covers body 1.1 and surrounds the accommodating space 1.4 that will be wrapped in it to shock reducing structure.
In the present embodiment, the accommodating space that the outer layer elastomeric overmold body 1.1 is surrounded includes at least surrounding side and bottom
Face, the outer layer elastomeric overmold body filled with resisting medium surround the cube accommodating space of upper opening.Known to, or tool
There is the accommodating space in six faces, will be wrapped in it to shock reducing structure, the outer layer elastomeric overmold body filled with resisting medium treats damping
Body laterally and radially carries out damping, and decay the vibration from surrounding, realizes comprehensive cushioning effect.In existing damping modes
Used spring or damping foam are compared, using the outer layer elastomeric overmold body pair filled with flow damping medium in the present embodiment
Damping is carried out to shock reducing structure, the damping ratio of resisting medium is relatively large, and damping vibrations effect is preferable, while overcoming the prior art
The middle insecure problem of bonding force occurred using damping foam damping.
In order to enhance the stability of shock-damping structure installation, to further increase damping effect, itself suffered shake is reduced
Dynamic amplitude, the outer layer elastomeric overmold external surface are connected with the installation buckle 1.3 being fixedly connected with outer carrier.Into
One step, the installation buckle 1.3 is elastic rubbery body, including interconnecting piece 1.31 and card convex portion 1.32, the interconnecting piece 1.31
One end be connected to 1.1 outer surface of outer layer elastomeric overmold body, the other end is inserted into the outer carrier and passes through the card
1.32 clamping of protrusion, the card convex portion are fixed on the interconnecting piece, it is preferable that card convex portion is structure as a whole with interconnecting piece.
Embodiment two:
A kind of unmanned vehicle, including inertia measuring module are present embodiments provided, referring to Fig.2, the inertia measuring module
Sensory package 4, clump weight 3 and above-mentioned shock-damping structure including shell 2 and in shell 2.In the present embodiment, it is preferable that
Shell is square casing, and the effect of clump weight 3 is to increase the overall weight of inertia measuring module, to reduce inertia measuring module
The intrinsic frequency of system avoids shaking to generate with the fuselage of high frequency resonating, and sensory package 4 includes integrated circuit board and is integrated in it
On inertial sensor, inertial sensor it include accelerometer, gyroscope or barometer.
The clump weight 3 is wrapped in by the accommodating space 1.4 that the outer layer elastomeric overmold body 1.1 of the shock-damping structure is surrounded
In it, installation groove is offered at the top of the clump weight 3, the sensory package 4 is fixed in the installation groove.Shell 2 with
Gap is equipped between clump weight 3, shock-damping structure 1 is filled in the gap.When inertia measuring module is by from extraneous vibration
When, the shock-damping structure buffering between shell and clump weight passes to the vibration of clump weight, senses to realize to clump weight
The damping of component.
Optionally, which can be the hollow cube structure of upper opening, surround hollow accommodating space, be coated on
Clump weight surrounding and bottom；It may be six sided structures, six comprehensive dampings in face of clump weight optionally subtracted above-mentioned
It shakes in structure basis, the second shock-damping structure of peripheral hardware 5, refering to Fig. 3,5 section of the second shock-damping structure is rectangle, including outer layer rubber bullet
Property body and be filled in the intracorporal resisting medium of outer layer rubber elasticity, be fixed at the top of top shell and clump weight between, decaying
Vibration above clump weight.
In the present embodiment, further, in order to improve the damping effect of shock-damping structure, avoid it by self vibration shadow
It rings, reinforces its connection between shell, the outer layer elastomeric overmold external surface of the shock-damping structure 1 is connected with installation buckle
1.3, installation buckle 1.3 is elastic rubbery body, and the installation buckle includes interconnecting piece 1.31 and card convex portion 1.32, the card convex portion
It is fixed on the interconnecting piece, mounting hole is offered on the shell, one end of the interconnecting piece is connected to the outer layer elasticity
External surface is coated, the other end passes through the mounting hole and the card convex portion by passing through mounting hole for the outer layer elastomeric overmold body
It is connect with the shell.Since installation buckle is elastic rubbery body, itself there is certain elasticity, which is being installed
When, the interconnecting piece of installation buckle is passed through to the mounting hole of shell corresponding position, while card convex portion is pullled after deforming and is arranged in
Outside mounting hole, so that shell be connect with shock-damping structure.Installation buckle can be spaced set on outer layer elastomeric overmold body surrounding, bottom
Portion can not set installation buckle, be fitted closely using clump weight own wt with bottom shock-absorbing structure, while being also beneficial to avoid
Bottom installation buckle causes location conflicts to the installation of inertia measuring module.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of shock-damping structure, which is characterized in that including outer layer elastomeric overmold body (1.1), the outer layer elastomeric overmold body (1.1)
It is interior to be equipped with hollow buffer space, it is filled in the hollow buffer space when the shock-damping structure is shaken by flowing
To the resisting medium (1.2) of damping, the outer layer elastomeric overmold body (1.1) filled with resisting medium (1.2) surround by
The accommodating space (1.4) being wrapped in shock reducing structure in it.
2. shock-damping structure according to claim 1, which is characterized in that the outer layer elastomeric overmold body (1.1) was surrounded
Accommodating space (1.4) includes at least surrounding side and bottom surface.
3. shock-damping structure according to claim 2, which is characterized in that the outer layer bullet filled with resisting medium (1.2)
Property covering body (1.1) surrounds the cube accommodating space of upper opening.
4. shock-damping structure according to claim 1, which is characterized in that outer layer elastomeric overmold body (1.1) outer surface one
Body is connected with the installation buckle (1.3) being fixedly connected with outer carrier.
5. shock-damping structure according to claim 4, which is characterized in that the installation buckle (1.3) is elastic rubbery body, packet
Interconnecting piece (1.31) and card convex portion (1.32) are included, one end of the interconnecting piece (1.31) is connected to the outer layer elastomeric overmold body
(1.1) outer surface, the other end are inserted into the outer carrier and pass through card convex portion (1.32) clamping, the card convex portion
(1.32) it is fixed on the interconnecting piece (1.31).
6. shock-damping structure according to claim 1, which is characterized in that the resisting medium filled in the hollow buffer space
For adhesive tape damping liquid.
7. a kind of inertia measuring module, which is characterized in that including shell (2) and the sensory package (4) being set in shell (2), match
Shock-damping structure (1) described in pouring weight (3) and claim 1-6 any one.
8. inertia measuring module according to claim 7, which is characterized in that the outer layer elasticity packet of the shock-damping structure (1)
It covers the accommodating space (1.4) that body (1.1) is surrounded the clump weight (3) is wrapped in it, be opened up at the top of the clump weight (3)
There is installation groove, the sensory package (4) is fixed in the installation groove.
9. inertia measuring module according to claim 8, which is characterized in that the outer layer elasticity packet of the shock-damping structure (1)
It covers body (1.1) outer surface and is connected with installation buckle (1.3), the installation buckle (1.3) is elastic rubbery body, the installation buckle
It (1.3) include interconnecting piece (1.31) and card convex portion (1.32), the card convex portion (1.32) is fixed on the interconnecting piece (1.31),
Mounting hole is offered on the shell (2), one end of the interconnecting piece (1.31) is connected to the outer layer elastomeric overmold body (1.1)
Outer surface, the other end pass through the mounting hole and the card convex portion (1.32) by passing through mounting hole for the outer layer elastomeric overmold body
(1.1) it is connect with the shell (2).
10. a kind of unmanned vehicle, which is characterized in that including inertia measuring module described in claim 7-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992577.5U CN209212877U (en) | 2018-11-30 | 2018-11-30 | A kind of shock-damping structure, inertia measuring module and unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821992577.5U CN209212877U (en) | 2018-11-30 | 2018-11-30 | A kind of shock-damping structure, inertia measuring module and unmanned vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN209212877U true CN209212877U (en) | 2019-08-06 |
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ID=67462122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821992577.5U Active CN209212877U (en) | 2018-11-30 | 2018-11-30 | A kind of shock-damping structure, inertia measuring module and unmanned vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN209212877U (en) |
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2018
- 2018-11-30 CN CN201821992577.5U patent/CN209212877U/en active Active
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