阅读说明：本技术 一种输电巡线用的GaN三光吊舱稳定装置 (Three optical pod stabilising arrangement of gaN that transmission of electricity patrolled line was used ) 是由 杨柳青 刘卉莲 覃敬文 段杰 张俊文 蒙焕理 金炬峰 罗华枫 赵世钦 毛光祥 于 2021-09-22 设计创作，主要内容包括：本发明公开了一种输电巡线用的GaN三光吊舱稳定装置,包括一级减震器和二级减震器,一级减震器安装在吊舱基座与动载体之间,二级减震器安装在外俯仰框架和内俯仰框架之间；外俯仰框架两侧通过两个限位减震器二在倒立U型的外方位框架上,外方位框架上端通过限位减震器一连接在动载体下侧,内俯仰框架内上下侧通过两个限位减震器三连接到内方位框架外侧。本发明采用了多重减震装置进行组合减震,吊舱的基座通过一级隔振系统固定到无人机上,同时在内、外框架之间应用二级隔振系统再次减振,则内框架里面光电负载所受到得振动的影响将会大大降低。这对三光吊舱装置在无人机飞行时稳定拍摄数据起到非常大的作用。(The invention discloses a GaN three-light pod stabilizing device for power transmission line patrol, which comprises a primary shock absorber and a secondary shock absorber, wherein the primary shock absorber is arranged between a pod base and a moving carrier, and the secondary shock absorber is arranged between an outer pitching frame and an inner pitching frame; two sides of the outer pitching frame are arranged on the inverted U-shaped outer orientation frame through two limiting shock absorbers, the upper end of the outer orientation frame is connected to the lower side of the moving carrier through a limiting shock absorber, and the upper side and the lower side in the inner pitching frame are connected to the outer side of the inner orientation frame through two limiting shock absorbers. The invention adopts multiple damping devices for combined damping, the base of the nacelle is fixed on the unmanned aerial vehicle through the primary vibration isolation system, and meanwhile, the secondary vibration isolation system is applied between the inner frame and the outer frame for damping again, so that the influence of the vibration on the photoelectric load in the inner frame is greatly reduced. The three-light-pod device plays a very big role in stably shooting data when the unmanned aerial vehicle flies.)

1. A three optical pod stabilising arrangement of gaN that transmission of electricity was patrolled line and is used which characterized in that: the damping device comprises a primary damper (1) and a secondary damper (2), wherein the primary damper (1) is arranged between a nacelle base (3) and a moving carrier (4), and the secondary damper (2) is arranged between an outer pitching frame (5) and an inner pitching frame (6); two sides of the outer pitching frame (5) are arranged on an inverted U-shaped outer orientation frame (7) through two limiting shock absorbers II (10), the upper end of the outer orientation frame (7) is connected to the lower side of the movable carrier (4) through a limiting shock absorber I (9), the upper side and the lower side in the inner pitching frame (6) are connected to the outer side of the inner orientation frame (8) through two limiting shock absorbers III (10), and a GaN three-optical sensor is installed in the inner orientation frame (8).

2. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 1, wherein: the primary shock absorber (1) comprises four metal vibration isolators which are uniformly distributed in four corners, and two ends of each metal vibration isolator are fixedly connected to the nacelle base (3) and the moving carrier (4) respectively.

3. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 1, wherein: spacing bumper shock absorber one (9), spacing bumper shock absorber two (10) and spacing bumper shock absorber three (15) all include spring (11) and rubber column (12), rubber column (12) one end fixed connection moves carrier (4), on outer orientation frame (7) or interior every single move frame (6), spring (11) adopt many, relative rubber column (12) a week is arranged, both ends respectively fixed connection outer orientation frame (7) and move carrier (4), outer every single move frame (5) and outer orientation frame (7), or interior every single move frame (6) and interior orientation frame (8).

4. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 1, wherein: the four limiting shock absorbers (13) are connected with the secondary shock absorbers (2) in series and then connected between the inner azimuth frame (8) and the outer azimuth frame (7).

5. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 4, wherein: and the fourth limiting shock absorber (13) is connected to the second-stage shock absorber (2) through an adapter plate (14).

6. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 4, wherein: the fourth limiting shock absorber (13) has the same structure as the first limiting shock absorber (9), the second limiting shock absorber (10) or the third limiting shock absorber (10).

7. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 5, wherein: the secondary shock absorber (2) comprises four quasi-zero stiffness vibration isolators which are arranged in a quadrilateral mode, and two ends of each quasi-zero stiffness vibration isolator are respectively and fixedly connected to the adapter plate (14) and the outer square frame (7).

8. The GaN three-light pod stabilizing device for power transmission line patrol according to claim 7, wherein: two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate (14) and the outer square frame (7) through screws.

Technical Field

The invention relates to a GaN three-light pod stabilizing device for power transmission line patrol, and belongs to the technical field of unmanned aerial vehicle vibration isolation equipment.

Background

Adopt unmanned aerial vehicle to patrol and examine at electric power system transmission line step by step, present unmanned aerial vehicle is patrolled and examined for the mode that adopts infrared nacelle, and ultraviolet, infrared, three light nacelle techniques of visible light are almost blank, and when adopting three light nacelle to install unmanned aerial vehicle, unmanned aerial vehicle can take place to vibrate at the operation in-process to influence three light sensor's the quality of shooing.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a three optical pod stabilising arrangement of gaN that transmission of electricity was patrolled line and is used to solve the problem that exists among the above-mentioned prior art.

The technical scheme adopted by the invention is as follows: a GaN three-light pod stabilizing device for power transmission line patrol comprises a primary shock absorber and a secondary shock absorber, wherein the primary shock absorber is arranged between a pod base and a moving carrier, and the secondary shock absorber is arranged between an outer pitching frame and an inner pitching frame; two sides of the outer pitching frame are arranged on the outer U-shaped orientation frame through two limiting shock absorbers, the upper end of the outer orientation frame is connected to the lower side of the moving carrier through a limiting shock absorber, the upper side and the lower side in the inner pitching frame are connected to the outer side of the inner orientation frame through two limiting shock absorbers, and a GaN three-optical sensor is arranged in the inner orientation frame.

Preferably, the primary shock absorber comprises four metal vibration isolators which are uniformly distributed at four corners, and two ends of each metal vibration isolator are respectively and fixedly connected to the nacelle base and the moving carrier.

Preferably, above-mentioned spacing bumper shock absorber one, spacing bumper shock absorber two and spacing bumper shock absorber three all include spring and rubber column, and rubber column one end fixed connection is on moving carrier, outer orientation frame or interior every single move frame, and the spring adopts many, and relative rubber column a week arranges that both ends difference fixed connection outer orientation frame and moving carrier, outer every single move frame and outer orientation frame, or interior every single move frame and interior orientation frame.

Preferably, the three-light pod stabilizing device for the GaN for power transmission line patrol further comprises a fourth limiting damper, and the fourth limiting damper and the second-stage damper are connected in series and then connected between the inner azimuth frame and the outer azimuth frame.

Preferably, the limit damper four-way is connected to the secondary damper through an adapter plate.

Preferably, the fourth limit damper has the same structure as the first limit damper, the second limit damper or the third limit damper.

Preferably, the secondary damper comprises four quasi-zero stiffness vibration isolators which are arranged in a quadrilateral mode, and two ends of each quasi-zero stiffness vibration isolator are fixedly connected to the adapter plate and the outer square frame respectively.

Preferably, the two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate and the outer orientation frame through screws.

The invention has the beneficial effects that: compared with the prior art, the invention adopts multiple damping devices for combined damping, the base of the nacelle is fixed on the unmanned aerial vehicle through the primary vibration isolation system, and meanwhile, the secondary vibration isolation system is applied between the inner frame and the outer frame for damping again, so that the influence of the vibration on the photoelectric load in the inner frame is greatly reduced. The GaN three-light-pod device plays a very big role in stably shooting data when the unmanned aerial vehicle flies.

Drawings

FIG. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of a limit damper.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1: as shown in fig. 1-2, a GaN three-light pod stabilizing device for power transmission line patrol comprises a primary damper 1 and a secondary damper 2, wherein the primary damper 1 is installed between a pod base 3 and a moving carrier 4, and the secondary damper 2 is installed between an outer pitching frame 5 and an inner pitching frame 6; two sides of the outer pitching frame 5 are connected to the lower side of the moving carrier 4 through two limiting shock absorbers 10 on an outer inverted U-shaped orientation frame 7, the upper end of the outer orientation frame 7 is connected to the lower side of the moving carrier 4 through a limiting shock absorber 9, the upper side and the lower side in the inner pitching frame 6 are connected to the outer side of the inner orientation frame 8 through two limiting shock absorbers three 15, three GaN optical sensors are installed in the inner orientation frame 8, the pod base is fixedly connected to the bottom of the unmanned aerial vehicle and further comprises a limiting shock absorber four 13, and the limiting shock absorbers four 13 and the secondary shock absorbers 2 are connected between the inner orientation frame 8 and the outer orientation frame 7 after being connected in series.

Preferably, the primary damper 1 includes four metal vibration isolators uniformly distributed at four corners, and two ends of each metal vibration isolator are respectively and fixedly connected to the nacelle base 3 and the moving carrier 4.

Preferably, above-mentioned spacing bumper shock absorber one 9, spacing bumper shock absorber two 10, spacing bumper shock absorber three 15 and spacing bumper shock absorber four 13 all include spring 11 and rubber column 12, rubber column 12 one end fixed connection moves carrier 4, on outer position frame 7 or interior every single move frame 6, spring 11 adopts many, relative rubber column 12 a week is arranged, both ends difference fixed connection outer position frame 7 and move carrier 4, outer every single move frame 5 and outer position frame 7, or interior every single move frame 6 and interior position frame 8, at a plurality of springs of center rubber column cooperation a week, a plurality of springs only can the finite space compression, thereby realize the range restriction.

Preferably, the fourth limit damper 13 is connected to the second stage damper 2 through an adapter plate 14.

Preferably, the secondary damper 2 includes four quasi-zero stiffness vibration isolators arranged in a quadrilateral manner, and two ends of each quasi-zero stiffness vibration isolator are respectively and fixedly connected to the adapter plate 14 and the outer square frame 7.

Preferably, the two ends of the quasi-zero stiffness vibration isolator are fixedly connected with the adapter plate 14 and the outer orientation frame 7 through screws.

The base of the unmanned aerial vehicle nacelle is fixed on the unmanned aerial vehicle through the primary vibration isolation system, the secondary vibration isolation system is applied between the inner frame and the outer frame for damping vibration again, and a plurality of damping limiters are installed between the damping device parts to form combined damping.

The damping principle is as follows: when the nacelle works, the vibration of the unmanned aerial vehicle is transmitted to the outer frame of the aviation nacelle through the vibration reduction system, and meanwhile, the secondary vibration reduction system is applied between the inner frame and the outer frame for secondary vibration reduction, so that the vibration of the unmanned aerial vehicle is attenuated through the primary vibration reduction system when the aviation nacelle works, the vibration is restrained through the secondary vibration reduction, and the influence of the vibration on the photoelectric load in the inner frame is greatly reduced.

The primary shock absorber can adopt a non-angular displacement shock absorber, the shock absorber comprises an inner frame and an outer frame, four sides of the inner frame (the upper end of the inner frame is connected to the nacelle base) are connected to the outer frame through springs, the bottom of the outer frame is connected to a movable carrier through a metal shock absorber and a rubber spring, and the shock absorber has the following characteristics: the shape of the fixing chassis is a parallelogram, damping materials and a shock absorber are arranged on the fixing chassis, and the fixing chassis can use a connecting flange as the fixing chassis; the shock absorber has the characteristics of high temperature resistance, low temperature resistance, oil stain resistance, no aging and the like, and is suitable for severe working environments. According to the translation principle of the parallelogram mechanism, angular displacement is gradually attenuated while being converted into linear position through the three-way equal-rigidity angular displacement-free shock absorber, and finally angular displacement-free shock absorption is achieved.

The crane ship adopts a two-shaft four-frame structure, the stability precision of the frame is higher, but in order to improve the stability precision of a standard, an isolation system is additionally arranged between an inner frame and an outer frame, the problem of complete decoupling is considered, 8 shock absorbers are assembled between the inner frame and the outer frame, and the shock absorbers are installed in a symmetrical arrangement mode. According to the application occasion and environment of the aviation nacelle, a shock absorber suitable for aviation is selected, so that a rubber metal shock absorber can be selected, and the main advantages of the shock absorber are as follows: the requirements of severe environment and random vibration are met; the non-linear rigidity characteristic is provided; the shock resistance is good, and the structure is compact; the damping is large, and resonance can be effectively inhibited at a resonance position; the high-frequency attenuation performance is good.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention, and therefore, the scope of the present invention should be determined by the scope of the claims.