CN210592456U - Fan assembly, inertia measurement assembly and unmanned aerial vehicle - Google Patents
Fan assembly, inertia measurement assembly and unmanned aerial vehicle Download PDFInfo
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- CN210592456U CN210592456U CN201822268069.9U CN201822268069U CN210592456U CN 210592456 U CN210592456 U CN 210592456U CN 201822268069 U CN201822268069 U CN 201822268069U CN 210592456 U CN210592456 U CN 210592456U
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Abstract
The utility model relates to an unmanned vehicles field discloses an unmanned vehicles, inertia measurement subassembly and fan assembly, wherein, fan assembly installs in unmanned vehicles's fuselage, fan assembly includes: the bracket is used for being connected with the machine body; the fixing seat is arranged on the bracket; the fan is arranged on the fixed seat; and the damping piece is abutted between the bracket and the fixed seat. Through with the damper butt in between the support with the fixing base, the damper can weaken the vibrations of fan transmission to the fuselage, and is less to inertia measuring device's influence.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an aircraft field especially relates to a fan assembly, inertia measurement subassembly and unmanned vehicles.
[ background of the invention ]
An Unmanned Aerial Vehicle (UAV) is a new concept equipment in rapid development, and has the advantages of flexibility, quick response, unmanned operation and low operation requirement.
Generally, unmanned aerial vehicles are equipped with an inertial measurement unit and a fan assembly.
One of the most core sensors of the inertia measurement device is arranged on the fuselage, and the inertia measurement device is used for measuring the angular velocity and the acceleration of the fuselage of the unmanned aerial vehicle, so that the self posture of the unmanned aerial vehicle is calculated, and the safe navigation of the unmanned aerial vehicle in an external environment is ensured. For inertial measurement devices, measurement accuracy is one of the most critical indicators.
Because the power of the control circuit assembly in the unmanned aerial vehicle is high, the heating is serious, and the fan assembly is used for dissipating heat of the control circuit assembly.
However, the fan assembly often generates vibration to interfere with the inertial measurement unit, which results in a reduction in the accuracy of the inertial side rail unit and often in false positives.
[ summary of the invention ]
An object of the embodiment of the utility model is to provide a fan assembly, inertia measurement subassembly and unmanned vehicles to solve among the prior art fan assembly to the great technical problem of inertia measurement device's interference.
The embodiment of the utility model provides a solve its technical problem and adopt following technical scheme:
in a first aspect, there is provided a fan assembly for mounting to the fuselage of an unmanned aerial vehicle, the fan assembly comprising: the bracket is used for being connected with the machine body; the fixing seat is arranged on the bracket; the fan is arranged on the fixed seat; and the damping piece is abutted between the bracket and the fixed seat.
In some embodiments, the bracket includes a bracket main body and a wind guide groove surrounded by the bracket main body, and the fan is located in the wind guide groove.
In some embodiments, the bracket further comprises a groove body arranged in the bracket main body, an opening of the groove body faces the air guide groove, and the opening of the groove body is communicated with the air guide groove; the fixing seat comprises a fixing portion and an extending portion extending from the fixing portion, the fan is installed on the fixing portion, the extending portion is inserted into the groove body, and the shock absorption piece is abutted between the extending portion and the groove wall of the groove body.
In some embodiments, the fan includes a motor and fan blades connected to the motor, and a stator of the motor is connected to the fixing portion.
In some embodiments, the extension is provided with a mounting hole, and a stator of the motor is coupled to the mounting hole by a bolt.
In some embodiments, the bracket further comprises a bending part, one end of the bending part is connected with the groove body, and the other end of the bending part is connected with the bracket main body;
the other end of the bent part, which is connected with the bracket main body, can be bent towards the direction far away from the air guide groove relative to the bracket main body, so that the groove body is separated from the extending part.
In some embodiments, the bending portion is made of an elastic material.
In some embodiments, the tank body is further provided with a mounting portion provided with a through hole.
In some embodiments, the bracket is provided with an installation part, the installation part is positioned on one side of the groove body, which is far away from the air guide groove, the installation part is positioned on one side of the bracket, which is far away from the air guide groove, and the installation part is provided with a through hole.
In some embodiments, the shock absorbing member is provided with a receiving opening, one end of the extending portion, which is far away from the fixing portion, is wrapped in the receiving opening by the shock absorbing member, and both the end of the extending portion, which is far away from the fixing portion, and the shock absorbing member are received in the groove body.
In some embodiments, the shock absorbing member includes two shock absorbing portions, and a connecting portion connected between the two shock absorbing portions; a connecting hole is formed in one end, far away from the fixing part, of the extending part, the connecting part is accommodated in the connecting hole, and the two damping parts are respectively positioned on two opposite sides of the extending part; one end of any one of the two damping parts, which is far away from the connecting part, is abutted against the groove wall of the groove body, so that the extending part is separated from the groove wall of the groove body.
In some embodiments, the number of the extending portions is multiple, and the multiple extending portions are uniformly arranged around the fixing portion.
In some embodiments, the number of extensions is three.
In some embodiments, the shock absorbing member is made of a rubber material.
In some embodiments, the shock absorbing member is a spring or a leaf spring.
In some embodiments, the bracket is integrally formed with the holder.
In a second aspect, an inertia measurement assembly is provided, which is installed on an unmanned aerial vehicle, and comprises a mounting plate for connecting with a fuselage of the unmanned aerial vehicle, an inertia measurement device arranged on the mounting plate, and a fan assembly as described above, wherein the fan assembly is arranged close to the inertia measurement device.
In a third aspect, an unmanned aerial vehicle is provided, comprising a fuselage, a horn connected to the fuselage, the unmanned aerial vehicle further comprising an inertial measurement unit as described above.
Compared with the prior art, the embodiment of the utility model provides an among unmanned vehicles, inertia measurement subassembly and the fan assembly, fan assembly installs in unmanned vehicles's fuselage, fan assembly includes: the bracket is used for being connected with the machine body; the fixing seat is arranged on the bracket; the fan is arranged on the fixed seat; and the damping piece is abutted between the bracket and the fixed seat. Through with the damper butt in between the support with the fixing base, the damper can weaken the vibrations of fan transmission to the fuselage, and is less to inertia measuring device's influence.
[ description of the drawings ]
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
Fig. 1 is a perspective view of an unmanned aerial vehicle according to an embodiment of the present invention;
FIG. 2 is an exploded view of the UAV of FIG. 1;
FIG. 3 is a perspective view of the unmanned aerial vehicle fan assembly shown in FIG. 2;
FIG. 4 is a rear view of the fan assembly shown in FIG. 3;
FIG. 5 is a front view of the fan assembly shown in FIG. 3;
FIG. 6 is a cross-sectional view A-A of the fan assembly shown in FIG. 5;
FIG. 7 is an exploded view of the fan assembly shown in FIG. 3;
FIG. 8 is a right side view of the fan assembly shown in FIG. 3;
FIG. 9 is a sectional view B-B of the fan assembly shown in FIG. 8, with the phantom portion shown in an alternative state;
FIG. 10 is a partially disassembled schematic view of the fan assembly shown in FIG. 3;
FIG. 11 is a partially assembled schematic view of the fan assembly shown in FIG. 10;
FIG. 12 is a partially disassembled schematic view of another implementation of the fan assembly shown in FIG. 10;
FIG. 13 is a schematic view of the damper member of the fan assembly of FIG. 12 assembled with the stationary base;
fig. 14 is a schematic view illustrating the assembly of the fixing base and the bracket of the fan assembly shown in fig. 13.
[ detailed description ] embodiments
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2 together, in order to provide an unmanned aerial vehicle 400 according to an embodiment of the present invention, the unmanned aerial vehicle 400 may be classified into five categories, i.e., micro, light, small, medium, and large, according to weight, speed, etc. in the present invention, the unmanned aerial vehicle 400 having a smaller size is preferred.
The unmanned aerial vehicle 400 includes a fuselage 300, a horn connected to the fuselage 300, and an inertial measurement unit 200 mounted in the fuselage 300.
Inertia measurement assembly 200 includes the mounting panel, locates the inertia measurement assembly of mounting panel, and install in the fan assembly 100 of fuselage, fan assembly 100 is close to inertia measurement assembly sets up.
The fuselage 300 includes a control circuit assembly composed of electronic components such as an MCU, and the control circuit assembly includes a plurality of control modules, for example, for controlling the power assembly to operate to control the flight control module of the flight attitude of the unmanned aerial vehicle 400, for navigating the positioning module of the unmanned aerial vehicle, for controlling the temperature control module of the fan assembly 100 to operate, and a data processing module for processing environmental information acquired by the relevant airborne equipment. For the purpose of illustrating embodiments of the invention, the drawings show only the parts that are relevant to embodiments of the invention.
Referring to fig. 3 to 7, the fan assembly 100 is applied to, but not limited to, the unmanned aerial vehicle 400, for example, an unmanned ship or an unmanned vehicle. The fan assembly 100 includes a bracket 10, a holder 20, a damper 30, and a fan 40. The fan 40 is installed on the fixing seat 20, the fixing seat 20 is installed on the bracket 10, and the bracket 10 and the fixing seat 20 are connected through the shock absorbing member 30.
The bracket 10 is connected to the body 300.
By providing the damper 30 in the fan assembly 100, the vibration of the fan assembly 100 indirectly transmitted to the inertia measurement apparatus through the body 300 can be effectively reduced, thereby ensuring the accuracy of the inertia measurement apparatus.
The support 10 is in a ring shape with a small thickness, the support 10 is provided with an air guide groove 11, and an inner ring surface of the support 10 forms a groove wall of the air guide groove 11, that is, the air guide groove 11 is a through groove. The fan 40 is located in the air guiding groove 11, and the air guiding groove 11 is used for guiding the direction of the airflow output by the fan 40. The ring shape may be a closed ring or an incomplete ring which is not completely closed, and the closed ring has a higher strength than the closed ring.
The wall of the wind guide groove 11 is provided with a slot 12, and the slot 12 is used for installing the fixing seat 20. The number of the slots 12 is plural, the plural slots 12 are annularly distributed on the wall of the air guiding groove 11, preferably, the plural slots 12 are uniformly distributed, for example, three slots 12 are distributed in a delta shape, and the fixing base 20 is inserted into the three slots 11, so that the fixing base 20 is fixed relative to the bracket 10.
Referring to fig. 8 and 9, in particular, the bracket 10 includes a bracket main body 13, a bending portion 14 and a slot 15. The bracket main body 13, the bending portion 14 and the slot body 15 jointly enclose a slot wall of the air guiding slot 11, and according to actual conditions, the bracket main body 13 can also alone enclose the air guiding slot 11, wherein one end of the bending portion 14 is connected with the slot body 15, the other end of the bending portion 14 is connected with the bracket main body 13, and the slot 12 is arranged on the slot body 15, that is, the slot body 15 encloses the slot 12. As shown in the dotted line of fig. 9, the bending portion 14 can be elastically bent relative to the bracket body 13 in a direction away from the air guiding groove 11, so that the slot 12 is separated from the fixing seat 20, and the fixing seat 20 and the bracket 10 can be conveniently disassembled. It is understood that the bracket body 13, the bent portion 14 and the slot 15 can be formed by providing a groove on the bracket 10, however, according to the actual situation, the entire bracket 10 may be made of an elastic material, or only the bent portion 14 may be made of an elastic material.
The bracket 10 is fixed to the body 300 by bolts.
Specifically, the bracket 10 is provided with a mounting portion 16, the mounting portion 16 being provided with a through hole 17, the through hole 17 being for a bolt to pass through. Preferably, the mounting portion 16 is disposed on a surface of the slot body 15 departing from the slot 12. It is understood that the bracket 10 may be integrally formed with the body 300 according to actual conditions. According to practical situations, the mounting portion 16 may be disposed at other positions of the bracket 10, for example, the mounting portion 16 is disposed on the bracket main body 13 and located at a side of the bracket main body 13 away from the air guiding groove 11, so that the mounting portion 16 may be connected to the bracket 10 and located at a side of the bracket away from the air guiding groove 11.
In this embodiment, the bracket 10 and the fixing base 20 are two parts. By installing the fan 40 on the fixing seat 20, the bracket 10 is installed on the body 300, and the fixing seat 20 and the bracket 10 are two parts, the vibration transmitted from the fan 40 to the body 10 can be further reduced.
In some other embodiments, the bracket 10 is integrally formed with the holder 20.
The fixing base 20 may be made of a plastic material, and the fixing base 20 includes a fixing portion 21 and an extending portion 22. The extension portion 22 extends from the fixing portion 20 toward the wall of the air guiding groove 11.
The fixing portion 21 is annular, and the fan 40 is mounted on the fixing portion 21, specifically, the fixing portion 21 is sleeved on the fan 40.
The end of the extension part 22 facing away from the fixing part 21 is inserted into the slot 12. The number of the extension portions 22 corresponds to the number of the slots 12, the plurality of extension portions 22 are annularly distributed around the fixing portion 21, each extension portion 22 corresponds to one slot 12, for example, three extension portions 22 are distributed in a delta shape, and the three extension portions 22 are respectively inserted into the three slots 12.
It is understood that the extension portion 22 and the slot 12 can be configured as any shape of concave-convex matching structure, in this embodiment, the cross section of the extension portion 22 and the cross section of the slot 12 are substantially rectangular, in some other embodiments, the cross section of the extension portion 22 and the cross section of the slot 12 can be circular, triangular, etc., and the present invention is not limited thereto.
The edge of the end of the extension 22 facing away from the fastening portion 21 is provided with a circular arc transition 220 to facilitate the insertion of the extension 22 into the slot 12.
The extension portion 22 is further provided with a mounting hole 221, the mounting hole 221 is used for mounting the fan 40, for example, the fan 40 is fixedly connected with the mounting hole 221 through a bolt.
The shock absorbing member 30 may be made of rubber or plastic having elasticity, and in some other embodiments, the shock absorbing member 30 is a spring or a resilient plate.
The shock absorbing member 30 is disposed between the groove wall of the insertion groove 12 and the extension portion 22, so that the extension portion 22 is separated from the groove wall of the insertion groove 12. The number of shock absorbing members 30 corresponds to the number of extensions 22, and each shock absorbing member 30 corresponds to a respective extension 22.
Referring to fig. 9 and 10, in the present embodiment, the shock absorbing member 30 is provided with an accommodating opening 31, and the shock absorbing member 30 wraps an end of the extending portion 22 away from the fixing portion 21 through the accommodating opening 31. The shock absorbing members 30 abut against the groove walls of the insertion groove 12.
Referring to fig. 12 to 14, in some other embodiments, the damping member 30 includes two damping portions 32a and a connecting portion 31a connected between the two damping portions 32 a. One end of the extension part 22 departing from the fixing part 21 is provided with a connecting hole 222a, one end of the connecting part 31a penetrates through the connecting hole 222a, the two shock absorption parts 32a are respectively located at two ends of the connecting part 31a, and the shock absorption piece 30 can be directly injection-molded on the extension part 22. Any one of the two shock absorbing portions 32a abuts against a groove wall of the slot 12, so that the extension portion 22 is separated from the groove wall of the slot 12.
The fan 40 includes a motor 41, fan blades 42, and a flat cable 43. One end of the flat cable 43 is connected with the stator of the motor 41, the other end of the flat cable 43 is connected with the temperature control module, and the fan blades 42 are installed on the rotor of the motor 41. The fixing portion 21 is sleeved on the stator of the motor 41, and the stator of the motor 41 is fixedly connected with the mounting hole 221 through a bolt.
Compared with the prior art, the embodiment of the utility model provides an among unmanned vehicles 400, inertial measurement unit 200 and fan assembly 100, fan assembly 100 installs in unmanned vehicles 400's fuselage 300, fan assembly 100 includes: a bracket 10 for connecting with the body 300; a fixing base 20 mounted on the bracket 10; a fan 40 mounted on the holder 20; and a shock absorbing member 30 abutting between the bracket 10 and the fixing seat 20. By abutting the damping member 30 between the bracket 10 and the fixing seat 20, the damping member 30 can attenuate the vibration transmitted from the fan 40 to the body 300, and the influence on the inertia measurement device is small.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (18)
1. A fan assembly (100) for mounting to a fuselage (300) of an unmanned aerial vehicle (400), the fan assembly (100) comprising:
the bracket (10) is connected with the machine body (300);
a fixed seat (20) mounted on the bracket (10);
a fan (40) mounted on the fixed base (20); and
and the shock absorption piece (30) is abutted between the bracket (10) and the fixed seat (20).
2. The fan assembly (100) of claim 1, wherein the bracket (10) comprises a bracket main body (13) and a wind guiding groove (11) enclosed by the bracket main body (13), and the fan (40) is positioned in the wind guiding groove (11).
3. The fan assembly (100) according to claim 2, wherein the bracket (10) further comprises a slot body (15) arranged on the bracket main body (13), an opening of the slot body (15) faces the air guide groove (11), and the opening of the slot body (15) is communicated with the air guide groove (11);
the fixing seat (20) comprises a fixing portion (21) and an extending portion (22) extending from the fixing portion (21), the fan (40) is installed on the fixing portion (21), the extending portion (22) is inserted into the groove body (15), and the shock absorbing piece (30) abuts between the extending portion (22) and the groove wall of the groove body (15).
4. The fan assembly (100) of claim 3, wherein the fan (40) comprises a motor (41) and a fan blade (42) connected to the motor (41), a stator of the motor (41) being connected to the fixed portion (21).
5. The fan assembly (100) of claim 4, wherein the extension (22) is provided with a mounting hole (221), and the stator of the motor (41) is connected to the mounting hole (221) by a bolt.
6. The fan assembly (100) according to claim 3, wherein the bracket (10) further comprises a bent part (14), one end of the bent part (14) is connected with the slot (15), and the other end of the bent part (14) is connected with the bracket main body (13);
the other end of the bent part (14) connected with the support main body (13) can be bent relative to the support main body (13) towards the direction far away from the air guide groove (11), so that the groove body (15) is separated from the extending part (22).
7. The fan assembly (100) of claim 6, wherein the bent portion (14) is made of an elastic material.
8. The fan assembly (100) according to any one of claims 3 to 7, wherein the slot body (15) is further provided with an installation part (16), the installation part (16) is located on one side of the slot body (15) departing from the air guide slot (11), and the installation part (16) is provided with a through hole (17).
9. The fan assembly (100) according to any one of claims 3 to 7, wherein the bracket (10) is provided with a mounting portion (16), the mounting portion (16) is located on a side of the bracket facing away from the air guiding groove (11), and the mounting portion (16) is provided with a through hole (17).
10. The fan assembly (100) according to any one of claims 3 to 7, wherein the damper (30) is provided with a receiving opening (31), one end of the extension portion (22) away from the fixing portion (21) is wrapped in the receiving opening (31) by the damper (30), and both one end of the extension portion (22) away from the fixing portion (21) and the damper (30) are received in the slot body (15).
11. The fan assembly (100) according to any one of claims 3 to 7, wherein the damper (30) comprises two damper portions (32a), and a connecting portion (31a) connected between the two damper portions (32 a);
one end of the extension part (22) far away from the fixing part (21) is provided with a connecting hole (222a), the connecting part (31a) is accommodated in the connecting hole (222a), and the two damping parts (32a) are respectively positioned at two opposite sides of the extension part (22);
one end of any one of the two shock absorption parts (32a), which is far away from the connecting part (31a), is abutted against the groove wall of the groove body (15), so that the extension part (22) is separated from the groove wall of the groove body (15).
12. The fan assembly (100) according to any one of claims 3 to 7, wherein the number of the extension portions (22) is plural, and the plural extension portions (22) are uniformly arranged around the fixing portion (21).
13. The fan assembly (100) of claim 12 wherein the number of extensions (22) is three.
14. The fan assembly (100) of any of claims 1-7, wherein the damper (30) is made of a rubber material.
15. The fan assembly (100) of any of claims 1-7, wherein the damper (30) is a spring or a leaf spring.
16. The fan assembly (100) according to any one of claims 1 to 7, wherein the bracket (10) is integrally formed with the holder (20).
17. An inertial measurement unit (200) for mounting to an unmanned aerial vehicle (400), comprising a mounting plate for attachment to the fuselage (300) of the unmanned aerial vehicle (400), an inertial measurement unit provided on the mounting plate, and a fan assembly (100) as claimed in any one of claims 1 to 16, the fan assembly (100) being disposed adjacent the inertial measurement unit.
18. An unmanned aerial vehicle (400) comprising a fuselage (300), a horn connected to the fuselage (300), wherein the unmanned aerial vehicle (400) further comprises the inertial measurement unit (200) of claim 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268069.9U CN210592456U (en) | 2018-12-29 | 2018-12-29 | Fan assembly, inertia measurement assembly and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822268069.9U CN210592456U (en) | 2018-12-29 | 2018-12-29 | Fan assembly, inertia measurement assembly and unmanned aerial vehicle |
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| Publication Number | Publication Date |
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| CN210592456U true CN210592456U (en) | 2020-05-22 |
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| CN201822268069.9U Active CN210592456U (en) | 2018-12-29 | 2018-12-29 | Fan assembly, inertia measurement assembly and unmanned aerial vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436349A (en) * | 2018-12-29 | 2019-03-08 | 深圳市道通智能航空技术有限公司 | A kind of fan component, inertial measurement cluster and unmanned vehicle |
| CN109436349B (en) * | 2018-12-29 | 2024-06-11 | 深圳市道通智能航空技术股份有限公司 | Fan assembly, inertia measurement assembly and unmanned aerial vehicle |
-
2018
- 2018-12-29 CN CN201822268069.9U patent/CN210592456U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436349A (en) * | 2018-12-29 | 2019-03-08 | 深圳市道通智能航空技术有限公司 | A kind of fan component, inertial measurement cluster and unmanned vehicle |
| CN109436349B (en) * | 2018-12-29 | 2024-06-11 | 深圳市道通智能航空技术股份有限公司 | Fan assembly, inertia measurement assembly and unmanned aerial vehicle |
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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: 518055 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. |