CN205014987U - Inertial measurement device - Google Patents
Inertial measurement device Download PDFInfo
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- CN205014987U CN205014987U CN201520381484.9U CN201520381484U CN205014987U CN 205014987 U CN205014987 U CN 205014987U CN 201520381484 U CN201520381484 U CN 201520381484U CN 205014987 U CN205014987 U CN 205014987U
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- inertial measuring
- inertial
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Abstract
The utility model discloses an inertial measurement device, including shell (1), place in and in shell (1) and first circuit board (2) and second Circuit Board (3) of electricity connection each other, be provided with the inertial sensing subassembly on first circuit board (2), inertial measurement device still includes to holding first circuit board (2) with damping component (4) between second Circuit Board (3), first circuit board (2) and second Circuit Board (3) crisscross setting each other. Implement the beneficial effects of the utility model are that: inertial measurement device adopts and supports the structure of holding the damping component between first circuit board and second Circuit Board, and the influence to the inertial sensing subassembly is vibrated in the work that can greatly reduce carriers such as unmanned vehicles, plays fine damping effect, and then improves inertial sensing subassembly measuring stability.
Description
Technical field
The utility model relates to navigation field of measuring technique, more particularly, relates to a kind of unmanned vehicle etc. that is applied to and has inertial measuring unit on the carrier of higher vibration frequency.
Background technology
In prior art, the vibration-proof structure of the inertial measuring unit of unmanned vehicle lays cushion blocking in order to vibration damping in the outside of control module.But adopting this vibration-proof structure, cushion blocking needs to be arranged on a platform, thus causes the volume and weight of whole control module to increase, and then adds the inactive loads of unmanned vehicle; Secondly, because cushion blocking exposes setting, make the easy loss of cushion blocking, improve the probability of cushion blocking damage, thus affect the serviceable life of the inertial measuring unit of unmanned vehicle.
Utility model content
The technical problems to be solved in the utility model is, for bulky, the defect that effectiveness in vibration suppression is not good of the above-mentioned inertial measuring unit of prior art, provides a kind of volume little and the inertial measuring unit of good damping result.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of inertial measuring unit, comprise shell, and to be built in described shell and the first circuit board be electrically connected to each other and second circuit board; Described first circuit board is provided with inertial sensing component; Described inertial measuring unit also comprises the damping element supported between described first circuit board and described second circuit board; Described first circuit board and the interlaced setting of second circuit board.
In inertial measuring unit described in the utility model, the position that described first circuit board is relative with described second circuit board offers mounting hole respectively; Described damping element is connected in mounting hole described in a pair.
In inertial measuring unit described in the utility model, described damping element is provided with multiple.
In inertial measuring unit described in the utility model, multiple described damping elements are evenly distributed on the surrounding of described first circuit board.
In inertial measuring unit described in the utility model, described damping element is square structure.
In inertial measuring unit described in the utility model, described damping element is rubber cushion.
In inertial measuring unit described in the utility model, described damping element is bonded between described first circuit board and described second circuit board.
In inertial measuring unit described in the utility model, described shell comprises the first housing, and is removably connected to the second housing on described first housing.
In inertial measuring unit described in the utility model, described first circuit board realizes being electrically connected by flexible PCB with described second circuit board.
Implement inertial measuring unit of the present utility model, there is following beneficial effect: described inertial measuring unit adopts the structure of the damping element supported between first circuit board and second circuit board, greatly can reduce the impact of operational vibration on inertial sensing component of the carriers such as unmanned vehicle, play good effectiveness in vibration suppression, and then improve the stability of inertial sensing component measurement; Secondly, adopt the structure of above-mentioned damping element, the volume and weight of described inertial measuring unit can be reduced significantly, and then the load space of the carriers such as unmanned vehicle can be increased; Moreover first circuit board and second circuit board adopt the structure of interlaced setting, namely on damping element, be provided with certain prestress, the dither of inertial sensing component can be eliminated better, improve the stability that inertial sensing component is measured further.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the exploded view of the inertial measuring unit that one of the utility model preferred embodiment provides;
Fig. 2 is the structural drawing that the damping element in the inertial measuring unit shown in Fig. 1 is arranged between first circuit board and second circuit board;
Fig. 3 is the structural drawing that the damping element in the inertial measuring unit that provides of two of the utility model preferred embodiment is arranged between first circuit board and second circuit board.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1 and Figure 2, one of preferred embodiment of the present utility model provides a kind of inertial measuring unit, and for measuring the motion state of object, it comprises shell 1, first circuit board 2, second circuit board 3, damping element 4 and flexible PCB 5.
As shown in Figure 1, shell 1 is roughly square structure, and first circuit board 2, second circuit board 3, damping element 4 and flexible PCB 5 are installed in the inside of shell 1.In the present embodiment, shell 1 comprises the first housing 11 and the second housing 12.First housing 11 is removably connected on the second housing 12, first housing 11 and the second housing 12 can adopt screw element (not shown) to be connected, adopt this structure, can be convenient to open shell 1 and the first circuit board 2 of its inside, the structure such as second circuit board 3 and damping element 4 are overhauled.
Consult shown in Fig. 2 as Fig. 1, this first circuit board 2 is provided with inertial sensing component (not shown), this inertial sensing component comprises the gyroscope (not shown) for detection angle rate signal and the accelerometer (not shown) for sense acceleration signal.This inertial sensing component is structure common in prior art, does not repeat them here.In the present embodiment, damping element 4 has been supported between first circuit board 2 and second circuit board 3, greatly can reduce the impact of operational vibration on inertial sensing component of the carriers such as unmanned vehicle, play good effectiveness in vibration suppression, and then improve the stability of inertial sensing component measurement.
Consult shown in Fig. 2 as Fig. 1, this second circuit board 3 is fixedly installed the structures such as power supply (not shown), storer (not shown), processor (not shown) and circuit module (not shown).This second circuit board 3 is structure common in prior art, does not repeat them here.In the present embodiment, preferably, first circuit board 2 and the interlaced setting of second circuit board 3, be namely provided with certain prestress on damping element 4, the dither of inertial sensing component can be eliminated better, thus improve the stability of inertial sensing component measurement.
Consult shown in Fig. 1 as Fig. 2, this damping element 4 for playing damping effect, to improve the stability that inertial sensing component is measured.In the present embodiment, damping element 4 is square structure, and it adopts the structure of rubber cushion.Damping element 4 is provided with multiple, and multiple damping elements 4 are evenly distributed in the surrounding of first circuit board 2.Preferably, the position that first circuit board 2 is relative with second circuit board 3 offers mounting hole 10 respectively, and damping element 4 is connected in a pair mounting hole 10, and this mounting hole 10 is suitable with the size of damping element 4.Adopt this structure, the installation location of damping element 4 can be convenient to, moreover adopt the mode connected and fixed, make damping element 4 can be fixedly mounted between first circuit board 2 and second circuit board 3, its stability is better.In other embodiment of the present utility model, damping element 4 can also adopt the mode be bonded between first circuit board 2 and second circuit board 3.
As shown in Figure 1, this flexible PCB 5 is for realizing the electrical connection between first circuit board 2 and second circuit board 3.Adopt the structure of this flexible PCB 5, the effect of vibration damping can be played.This flexible PCB 5 is structure common in prior art, does not repeat them here.
Use the inertial measuring unit that as above embodiment provides, because described inertial measuring unit adopts the structure of the damping element supported between first circuit board 2 and second circuit board 3, greatly can reduce the impact of operational vibration on inertial sensing component of the carriers such as unmanned vehicle, play good effectiveness in vibration suppression, and then improve the stability of inertial sensing component measurement; Secondly, adopt the structure of above-mentioned damping element 4, the volume and weight of described inertial measuring unit can be reduced significantly, and then the load space of the carriers such as unmanned vehicle can be increased; Moreover, first circuit board 2 and second circuit board 3 adopt the structure of interlaced setting, namely on damping element, be provided with certain prestress, the dither of inertial sensing component can be eliminated better, improve the stability that inertial sensing component is measured further.
As shown in Figure 3, two of preferred embodiment of the present utility model provides a kind of inertial measuring unit, and it is the shape of damping element 4 with one of enforcement institute's difference, and in the present embodiment, damping element 4 is in waist drum shape.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (9)
1. an inertial measuring unit, comprises shell (1), and to be built in described shell (1) and the first circuit board be electrically connected to each other (2) and second circuit board (3); It is characterized in that: (2) are provided with inertial sensing component to described first circuit board; Described inertial measuring unit also comprises the damping element (4) supported between described first circuit board (2) and described second circuit board (3); Described first circuit board (2) and second circuit board (3) interlaced setting.
2. inertial measuring unit according to claim 1, is characterized in that: the position that described first circuit board (2) is relative with described second circuit board (3) offers mounting hole (10) respectively; Described damping element (4) is connected in mounting hole described in a pair (10).
3. inertial measuring unit according to claim 1, is characterized in that: described damping element (4) is provided with multiple.
4. inertial measuring unit according to claim 3, is characterized in that: multiple described damping elements (4) are evenly distributed on the surrounding of described first circuit board (2).
5. inertial measuring unit according to claim 1, is characterized in that: described damping element (4) is square structure.
6. inertial measuring unit according to claim 1, is characterized in that: described damping element (4) is rubber cushion.
7. inertial measuring unit according to claim 1, is characterized in that: described damping element (4) is bonded between described first circuit board (2) and described second circuit board (3).
8. the inertial measuring unit according to any one of claim 1 ~ 7, is characterized in that: described shell (1) comprises the first housing (11), and is removably connected to the second housing (12) on described first housing (11).
9. the inertial measuring unit according to any one of claim 1 ~ 7, is characterized in that: described first circuit board (2) realizes being electrically connected by flexible PCB (5) with described second circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381484.9U CN205014987U (en) | 2015-06-05 | 2015-06-05 | Inertial measurement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520381484.9U CN205014987U (en) | 2015-06-05 | 2015-06-05 | Inertial measurement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205014987U true CN205014987U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520381484.9U Active CN205014987U (en) | 2015-06-05 | 2015-06-05 | Inertial measurement device |
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| CN (1) | CN205014987U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052680A (en) * | 2016-06-29 | 2016-10-26 | 湖南格纳微信息科技有限公司 | Navigation module of low-stress inertial sensor |
| CN108438242A (en) * | 2018-06-01 | 2018-08-24 | 北京小米移动软件有限公司 | Aircraft |
| CN111016033A (en) * | 2019-12-13 | 2020-04-17 | 武汉迈普时空导航科技有限公司 | IMU shock absorption and heat insulation device based on silica gel and preparation method |
-
2015
- 2015-06-05 CN CN201520381484.9U patent/CN205014987U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052680A (en) * | 2016-06-29 | 2016-10-26 | 湖南格纳微信息科技有限公司 | Navigation module of low-stress inertial sensor |
| CN108438242A (en) * | 2018-06-01 | 2018-08-24 | 北京小米移动软件有限公司 | Aircraft |
| CN111016033A (en) * | 2019-12-13 | 2020-04-17 | 武汉迈普时空导航科技有限公司 | IMU shock absorption and heat insulation device based on silica gel and preparation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee after: Shenzhen daotong intelligent Aviation Technology Co.,Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee before: AUTEL ROBOTICS Co.,Ltd. |