CN109597111B - A kind of unmanned monitoring machine positioning device based on GPS - Google Patents
A kind of unmanned monitoring machine positioning device based on GPS Download PDFInfo
- Publication number
- CN109597111B CN109597111B CN201811588167.9A CN201811588167A CN109597111B CN 109597111 B CN109597111 B CN 109597111B CN 201811588167 A CN201811588167 A CN 201811588167A CN 109597111 B CN109597111 B CN 109597111B
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- China
- Prior art keywords
- module
- monitoring machine
- unmanned monitoring
- focal length
- gps
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
- G01S19/48—Determining position by combining or switching between position solutions derived from the satellite radio beacon positioning system and position solutions derived from a further system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The present invention relates to a kind of unmanned monitoring machine positioning device based on GPS.The unmanned monitoring machine positioning device based on GPS includes GPS navigation device, judgment module, focal length determining module, camera module, display module and controller, the GPS navigation device, the judgment module, the focal length determining module, the camera module and the display module are electrically connected with the controller, when the judgment module judges that the GPS navigation device obtains satellite positioning signal failure, the controller controls the focal length determining module starting, the focal length determining module selects corresponding focal length according to the flying height of the unmanned monitoring machine, the camera module obtains the image of the unmanned monitoring machine according to the focal length and is transmitted to the display module.The unmanned monitoring machine positioning device based on GPS uses more convenient.
Description
Technical field
The present invention relates to a kind of unmanned monitoring machine positioning device based on GPS.
Background technique
With the development of great Jiang Ji Dao Tongdeng Chinese companies, the type of unmanned plane is more and more.Unmanned plane is also gradually joined the army
Thing, fire fighting and disaster relief industry gradually move towards civil field.For example, the civilian neck that unmanned plane can be used for logistics delivery and take photo by plane
Domain.Unmanned plane generally require using GPS (Global Positioning System, global positioning system) carry out navigation with
Positioning.However, unmanned plane between high-rise examinations operation for example gas leakage detection operation when, due to building
Block, be not easy to receive global position system, cause its positioning bad at this time, can not even position, so that influencing it makes
Use convenience.
Summary of the invention
Based on this, it is necessary to provide a kind of using the conveniently unmanned detection machine positioning device based on GPS.
A kind of unmanned monitoring machine positioning device based on GPS, is used for unmanned monitoring machine, and the unmanned monitoring machine has four
A rotor, the unmanned monitoring machine positioning device based on GPS include GPS navigation device, judgment module, focal length determining module,
Camera module, display module and controller, it is the GPS navigation device, the judgment module, the focal length determining module, described
Camera module and the display module are electrically connected with the controller, when the judgment module judges the GPS navigation device
When part obtains satellite positioning signal failure, the controller controls the focal length determining module starting, the focal length determining module
Corresponding focal length is selected according to the flying height of the unmanned monitoring machine, the camera module obtains the nothing according to the focal length
The image of people's monitoring machine is simultaneously transmitted to the display module, and the controller is according to described image in the coordinate of the display module
Know the aerial location information of the unmanned monitoring machine in position in system.
It further include communication module in a wherein embodiment, the communication module is set to the unmanned monitoring machine
On, the communication module is wirelessly electrically connected with the controller, for receiving the aerial location information of the unmanned monitoring machine.
In a wherein embodiment, the number of the camera module is three, and three camera modules are and institute
Controller electric connection is stated, three camera modules have different focal ranges.
In a wherein embodiment, three camera modules are arranged in a linear, the mirror of three camera modules
Head it is vertical upward.
It further include height sensor part in a wherein embodiment, the height sensor part is described for obtaining
The flying height of unmanned monitoring machine, and it is transmitted to the focal length determining module.
It further include support frame in a wherein embodiment, the display module is set on support frame as described above, described
Display module is liquid crystal display die set.
In a wherein embodiment, the focal range of three camera modules is respectively as follows: 0-15 meters, 15-60 meters
And 60-150 meters.
In a wherein embodiment, support frame as described above includes frame body and the holder that is set at the top of the frame body,
The display module is removable installed on the holder.
In a wherein embodiment, supple buffer layer, the thickness of the supple buffer layer are provided on the holder
It is 1-2 millimeters.
In a wherein embodiment, the display module includes display screen and bar shaped pedestal, the bar shaped pedestal patch
If being installed in the supple buffer layer, the display screen is set on the bar shaped pedestal.
The unmanned monitoring machine positioning device based on GPS when in use, is led first with the GPS navigation device
Boat, when satellite positioning signal is poor, the judgment module judges that the GPS navigation device obtains satellite positioning signal failure,
The controller controls the focal length determining module starting, and the focal length determining module is high according to the flight of the unmanned monitoring machine
Degree selects corresponding focal length, and the camera module obtains the image of the unmanned monitoring machine according to the focal length and is transmitted to described
Display module, the controller know the unmanned monitoring according to position of the described image in the coordinate system of the display module
The aerial location information of machine.I.e. in no satellite positioning signal or poor satellite positioning signal, the unmanned prison based on GPS
The aerial location information of the unmanned monitoring machine can also be obtained by surveying machine positioning device, thus convenient nobody based on GPS
Monitor the use of machine positioning device.
Detailed description of the invention
Fig. 1 is the block diagram of the unmanned monitoring machine positioning device based on GPS of an embodiment.
Fig. 2 is the horizontal stripe of an embodiment and the perspective exploded view of display screen.
Fig. 3 is the stereoscopic schematic diagram of the horizontal stripe of an embodiment.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term used herein is intended merely to the mesh of description specific embodiment
, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more relevant listed items
Any and all combinations.
The present invention relates to a kind of unmanned monitoring machine positioning device based on GPS.For example, the unmanned monitoring based on GPS
Machine positioning device is used for unmanned monitoring machine, and there are four rotor, the unmanned monitoring machines based on GPS for the unmanned monitoring machine tool
Positioning device includes GPS navigation device, judgment module, focal length determining module, camera module, display module and controller.For example,
The GPS navigation device, the judgment module, the focal length determining module, the camera module and the display module with
The controller is electrically connected.For example, when the judgment module judges that the GPS navigation device obtains satellite positioning signal failure
When, the controller controls the focal length determining module starting, and the focal length determining module flies according to the unmanned monitoring machine
Row height selects corresponding focal length.For example, the camera module obtains the image of the unmanned monitoring machine simultaneously according to the focal length
It is transmitted to the display module, the controller knows institute according to position of the described image in the coordinate system of the display module
State the aerial location information of unmanned monitoring machine.
Referring to Fig. 1, a kind of unmanned monitoring machine positioning device 100 based on GPS, is used for unmanned monitoring machine 200, it is described
For unmanned monitoring machine tool there are four rotor, the unmanned monitoring machine positioning device based on GPS includes GPS navigation device 10, judgement
Module 20, focal length determining module 30, camera module 40, display module 50 and controller 60, the GPS navigation device described are sentenced
Disconnected module, the focal length determining module, the camera module and the display module are electrically connected with the controller, work as institute
When stating judgment module and judging that the GPS navigation device obtains satellite positioning signal failure, it is true that the controller controls the focal length
The starting of cover half block, the focal length determining module selects corresponding focal length according to the flying height of the unmanned monitoring machine, described to take the photograph
As mould group obtains the image of the unmanned monitoring machine according to the focal length and is transmitted to the display module, the controller according to
Know the aerial location information of the unmanned monitoring machine in position of the described image in the coordinate system of the display module.
For example, the unmanned monitoring machine positioning device based on GPS is when in use, first with the GPS navigation device into
Row navigation, when satellite positioning signal is poor, the judgment module judges that the GPS navigation device obtains satellite positioning signal and loses
It loses, the controller controls the focal length determining module starting, and the focal length determining module flies according to the unmanned monitoring machine
Row height selects corresponding focal length, and the camera module obtains the image of the unmanned monitoring machine according to the focal length and is transmitted to
The display module, the controller according to position of the described image in the coordinate system of the display module know it is described nobody
The aerial location information of monitoring machine.I.e. in no satellite positioning signal or poor satellite positioning signal, the nothing based on GPS
People, which monitors machine positioning device, can also obtain the aerial location information of the unmanned monitoring machine, thus convenient described based on GPS's
The use of unmanned monitoring machine positioning device.For example, being preset with coordinate system in the display module.
For example, the unmanned monitoring machine positioning device based on GPS further includes communication module for the ease of determining focal length
70, the communication module is set on the unmanned monitoring machine, and the communication module is wirelessly electrically connected with the controller, is used
In the aerial location information for receiving the unmanned monitoring machine.The number of the camera module is three, three camera modules
It is electrically connected with the controller, three camera modules have different focal ranges.Three camera modules are in
It is arranged in a straight line, the camera lens of three camera modules it is vertical upward.The unmanned monitoring machine positioning device based on GPS also wraps
Height sensor part is included, the height sensor part is used to obtain the flying height of the unmanned monitoring machine, and is transmitted to described
Focal length determining module.By the way that three camera modules are arranged, so that the unmanned detection machine is in biggish altitude range
When interior flight, also its image can be obtained using three camera modules.
For example, for the ease of installing the display module, the unmanned monitoring machine positioning device based on GPS further includes branch
Support (not shown), the display module are set on support frame as described above, and the display module is liquid crystal display die set.Described three
The focal range of a camera module is respectively as follows: 0-15 meters, 15-60 meters and 60-150 meters.Support frame as described above include frame body and
The holder being set at the top of the frame body, the display module are removable installed on the holder.The holder is detachable
Ground is supported on the frame body, is provided with supple buffer layer on the holder, the supple buffer layer with a thickness of 1-2 millimeters.
Referring to Figure 2 together, the display module includes display screen 51 and bar shaped pedestal 52, the bar shaped pedestal be sticked be installed on it is described
In supple buffer layer, the display screen is set on the bar shaped pedestal.By being arranged the holder, and by the display module
Bar shaped pedestal be set in the supple buffer layer, to facilitate the installation and rotation of the display module.
For example, it is of particular importance that also referring to Fig. 3, for the ease of making full use of the display screen, the display screen
It can also be used to play the flight dynamic video of no worker monitor machine, shooting head be additionally provided on the display screen, for shooting week
Edge image, and for the ease of facilitating the positioning display module in order to shoot, the holder includes hand-held arm, middle pivoted arm and branch
Brace, the opposite end of the middle pivoted arm are rotationally connected with respectively on the hand-held arm and the support arm.It is set on the frame body
It is equipped with and plugs hole, the hand-held arm is inserted in described plug in hole.And when needing hand-held, the hand-held arm is plugged from described
It is extracted in hole.For example, for the ease of rotating the display screen, the bar shaped pedestal of the display module is installed on the support
On arm.By rotating the middle pivoted arm relative to the hand-held arm, rotate the support arm relative to the middle pivoted arm, so as to
To change the placement angle of the display screen, shot with facilitating using the shooting head on the display screen.For example, in order to just
In rotating the display screen relative to the support arm, the holder further includes rotation cam 81, projection on the rotation cam
There is stud 82, horizontal stripe 80 is provided on the support arm, the horizontal stripe is concavely provided with strip groove 801, the supple buffer layer position
In on the bottom surface of the strip groove, the bar shapeds base of the display screen is arranged in the strip groove, and the strip groove is opposite
Side wall is respectively rigid sidewalls 821 and flexible sidewall 825, and through-hole is offered on the flexible sidewall, is opened in the rigid sidewalls
Equipped with threaded hole, the stud is arranged in the through-hole and the bar shapeds base, and is screwed together in the threaded hole.The spiral shell
Clamping ring is provided on column, the clamping ring is located in the strip groove, rotates the rotation of stud described in the rotation cam driven
Afterwards, the bar shapeds base is held in the rigid sidewalls of the strip groove by the clamping ring, to realize to the display screen
Positioning.For example, the thickness of the flexible sidewall is supported along being gradually reduced towards the direction of the display screen in the clamping ring
When the bar shapeds base, the rotation cam is held on the flexible sidewall, so that the flexible sidewall is attached at described show
The bottom of display screen prevents dust or rainwater from entering so that the strip groove seals.
For example, the bar shapeds base is detached from the strip groove and drops in order to prevent, one end setting of the bar shapeds base
There is Rotational Cylindrical 53, one end of the Rotational Cylindrical towards the flexible sidewall offers receiving hole, one end setting of the strip groove
There is a cylinder outer race 84, the length direction of the vertical strip groove of the length direction of the cylinder outer race, the length of the cylinder outer race and institute
The width for stating strip groove is equal, and the end of the cylinder outer race is slidingly arranged in the rigid sidewalls, shape in the cylinder outer race
At there is channel 841, the slit of squeezing into being connected to the channel is formed on the side wall in the channel, the Rotational Cylindrical is squeezed from described
Enter slit to squeeze into the channel, to position the bar shapeds base, can cooperate by the clamping of the clamping ring will be described
Bar shapeds base is fixed on the support arm.It, can be with by the way that the cylinder outer race, and then the Rotational Cylindrical of display screen described in clamping is arranged
Prevent the random rotation of the display screen.
For example, offering exposing slit on the bottom surface of the one end of the strip groove far from the cylinder outer race, the exposing is narrow
Multiple elastic strips 85 are provided in slot, the multiple elastic strip is held on the bottom surface of the bar shapeds base.Each elasticity
The opposite end of item is separately connected on the rigid sidewalls and the flexible sidewall.For example, being provided with arc in the rigid sidewalls
Shape guiding groove 826, the end of the cylinder outer race are slidingly arranged in the arc guide slot, by moving the cylinder outer race edge
The arc guide slot is mobile to allow the bar shapeds base to rotate around the stud, so that the bar shapeds base turns far from described
One end of dynamic column projects into the exposing slit, adjusts to realize to the angle of the display screen.And the multiple bullet
Property item is supported by the bar shapeds base and is drawn high, can bar shapeds base described in backing, prevent dropping for the bar shapeds base.
When the bar shapeds base described in the clamping ring clamping, the rotation cam supports the flexible sidewall, so that the flexible sidewall
While supporting the bar shapeds base, also the flexible sidewall can be forced to support the cylinder outer race, so that the cylinder outer race is fixed
Position.
For example, being provided with arc on the flexible sidewall adapts to slot 827, the arc adapts to slot and the arc guide slot
It corresponds to each other, the cylinder outer race is formed with deformation guide end, the deformation guide end sliding far from one end of the rigid sidewalls
Ground is set to the arc and adapts to be provided with consent on the deformation guide end, the receiving hole is connected to the channel in slot.
For example, the flexible sidewall can be produced from adaptive deformation after deforming under extrusion, so that the deformation for the cylinder outer race that coincide is led
Xiang Duan.For example, for the ease of further fixing the cylinder outer race, the bottom surface of the arc guide slot offers slit 8261, institute
It states and is equipped with deformation in slit and pulls and supports rope 86, described deform pulls and supports one end of rope and be connected to the end of the cylinder outer race, the other end
It is provided with cone column rubber stopper 87, the cone column rubber stopper is inserted in the consent of the deformation guide end and enters the receiving hole
In.The maximum gauge of the cone column rubber stopper is greater than the width that the arc adapts to slot, and the cone column rubber stopper is extruded in described
It deforms in guide end, forces the deformation guide end to expand and press the arc and adapt to the side wall of slot, to increase described
Deformation adapts to the pressure and frictional force between end and arc adaptation slot, greatly improves its position stability.The change
Shape pulls and supports the bottom that the horizontal stripe is set around in the middle part of rope.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for embodiment described above, and the description thereof is more specific and detailed, but
It cannot be construed as a limitation to the scope of the present invention.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to of the invention
Protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (1)
1. a kind of unmanned monitoring machine positioning device based on GPS is used for unmanned monitoring machine, which is characterized in that the unmanned prison
Surveying equipment, there are four rotors, and the unmanned monitoring machine positioning device based on GPS includes GPS navigation device, judgment module, focal length
Determining module, camera module, display module and controller, the GPS navigation device, the judgment module, the focal length determine
Module, the camera module and the display module are electrically connected with the controller, described in judgment module judgement
When GPS navigation device obtains satellite positioning signal failure, the controller controls the focal length determining module starting, the focal length
Determining module selects corresponding focal length according to the flying height of the unmanned monitoring machine, and the camera module is obtained according to the focal length
It takes the image of the unmanned monitoring machine and is transmitted to the display module, the controller is according to described image in the display mould
Know the aerial location information of the unmanned monitoring machine in position in the coordinate system of group；
It further include communication module, the communication module is set on the unmanned monitoring machine, the communication module and the control
Device is wirelessly electrically connected, and for receiving the aerial location information of the unmanned monitoring machine, the number of the camera module is three,
Three camera modules are electrically connected with the controller, and three camera modules have different focal ranges, institute
Three camera modules to be stated to be arranged in a linear, it further includes upward height sensor part that the camera lens of three camera modules is vertical,
The height sensor part is used to obtain the flying height of the unmanned monitoring machine, and is transmitted to the focal length determining module, also
Including support frame, the display module is set on support frame as described above, the display module be liquid crystal display die set, described three
The focal range of camera module is respectively as follows: 0-15 meters, 15-60 meters and 60-150 meters, and support frame as described above includes frame body and sets
The holder being placed at the top of the frame body, the display module are removable installed on the holder, are provided on the holder
Supple buffer layer, the supple buffer layer with a thickness of 1-2 millimeters, the display module includes display screen and bar shaped pedestal, institute
It states bar shaped pedestal and is sticked and be installed in the supple buffer layer, the display screen is set on the bar shaped pedestal；
Shooting head is additionally provided on the display screen, for shooting side images, the holder includes hand-held arm, middle pivoted arm and branch
Brace, the opposite end of the middle pivoted arm are rotationally connected on the hand-held arm and the support arm respectively, set on the frame body
Be equipped with and plug hole, the hand-held arm be inserted in it is described plug in hole, the bar shaped pedestal of the display module is installed on the support
On arm, the holder further includes rotation cam, is convexly equipped with stud on the rotation cam, is provided with horizontal stripe on the support arm,
The horizontal stripe is concavely provided with strip groove, and the supple buffer layer is located on the bottom surface of the strip groove, the bar shaped of the display screen
Pedestal is arranged in the strip groove, and the opposite side wall of the strip groove is respectively rigid sidewalls and flexible sidewall, the flexibility
Through-hole is offered on side wall, threaded hole is offered in the rigid sidewalls, and the stud is arranged in the through-hole and the bar shaped
It in pedestal, and is screwed together in the threaded hole, clamping ring is provided on the stud, the clamping ring is located at the strip groove
Interior, along being gradually reduced towards the direction of the display screen, one end of the bar shapeds base is provided with the thickness of the flexible sidewall
Rotational Cylindrical, one end of the Rotational Cylindrical towards the flexible sidewall offer receiving hole, and one end of the strip groove is provided with cylinder
Shape shell, the length direction of the vertical strip groove of the length direction of the cylinder outer race, the length of the cylinder outer race and the bar shaped
The width of slot is equal, and the end of the cylinder outer race is slidingly arranged in the rigid sidewalls, is formed in the cylinder outer race logical
Road is formed with the slit of squeezing into being connected to the channel on the side wall in the channel, and the strip groove is far from the cylinder outer race
Exposing slit is offered on the bottom surface of one end, is provided with multiple elastic strips in the exposing slit, the multiple elastic strip supports
In on the bottom surface of the bar shapeds base, the opposite end of each elastic strip is separately connected the rigid sidewalls and the flexibility
On side wall, arc guide slot is provided in the rigid sidewalls, the end of the cylinder outer race is slidingly arranged at the arc and draws
In guide groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044266.5A CN110673188B (en) | 2018-12-25 | 2018-12-25 | Unmanned monitoring machine positioning device based on GPS |
| CN201811588167.9A CN109597111B (en) | 2018-12-25 | 2018-12-25 | A kind of unmanned monitoring machine positioning device based on GPS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811588167.9A CN109597111B (en) | 2018-12-25 | 2018-12-25 | A kind of unmanned monitoring machine positioning device based on GPS |
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| CN201911044266.5A Division CN110673188B (en) | 2018-12-25 | 2018-12-25 | Unmanned monitoring machine positioning device based on GPS |
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| Publication Number | Publication Date |
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| CN109597111A CN109597111A (en) | 2019-04-09 |
| CN109597111B true CN109597111B (en) | 2019-11-29 |
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| CN201911044266.5A Active CN110673188B (en) | 2018-12-25 | 2018-12-25 | Unmanned monitoring machine positioning device based on GPS |
| CN201811588167.9A Active CN109597111B (en) | 2018-12-25 | 2018-12-25 | A kind of unmanned monitoring machine positioning device based on GPS |
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| CN201911044266.5A Active CN110673188B (en) | 2018-12-25 | 2018-12-25 | Unmanned monitoring machine positioning device based on GPS |
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| CN105151293A (en) * | 2015-09-25 | 2015-12-16 | 湖南云顶智能科技有限公司 | Arm folding device for unmanned aerial vehicle |
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| WO2013087093A1 (en) * | 2011-12-13 | 2013-06-20 | Ethicon Endo-Surgery, Inc. | Devices and methods for verifying the deployment state of an endoluminal sleeve |
| CN202688512U (en) * | 2012-03-31 | 2013-01-23 | 吉阳设备（海安）有限公司 | Slowly lifting support of polycrystal texture etching device |
| TWI526075B (en) * | 2012-05-17 | 2016-03-11 | Tpv Display Technology Xiamen | A support device and a display having a support device |
| CN103048670A (en) * | 2012-12-24 | 2013-04-17 | 深圳市旭飞航天航空科技有限公司 | System and method for positioning and navigating unattended flyer |
| US20150175276A1 (en) * | 2013-12-19 | 2015-06-25 | Kenneth Lee Koster | Delivery platform for unmanned aerial vehicles |
| EP2924451B1 (en) * | 2014-03-24 | 2019-01-09 | LEM Intellectual Property SA | Current transducer |
| US9727098B2 (en) * | 2014-06-16 | 2017-08-08 | Phoenix Contact Development and Manufacturing, Inc. | Redundant power supply motherboard assembly |
| US9616562B2 (en) * | 2014-07-22 | 2017-04-11 | Milwaukee Electric Tool Corporation | Tool storage devices |
| EP3546954B1 (en) * | 2016-01-07 | 2022-12-14 | Analog Devices, Inc. | 3-axis angular accelerometer |
| CN106210627A (en) * | 2016-07-04 | 2016-12-07 | 广东天米教育科技有限公司 | A kind of unmanned plane fire dispatch system |
| CN106290246A (en) * | 2016-08-09 | 2017-01-04 | 上海禾赛光电科技有限公司 | The terrestrial positioning device of unmanned plane and gas remote measurement system without GPS |
| CN106628152B (en) * | 2017-01-16 | 2023-02-24 | 西安科技大学 | Fire rescue detection aircraft and using method thereof |
| CN207540666U (en) * | 2017-12-08 | 2018-06-26 | 江苏省苏核辐射科技有限责任公司 | One kind is used for power transmission and transformation line noise monitoring instrument |
| CN208112797U (en) * | 2018-04-28 | 2018-11-16 | 昆山龙腾光电有限公司 | monitoring device |
| CN108513106A (en) * | 2018-06-07 | 2018-09-07 | 广州鼎飞科技有限公司 | A kind of animal video frequency tracking instrument and system |
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| CN105151293A (en) * | 2015-09-25 | 2015-12-16 | 湖南云顶智能科技有限公司 | Arm folding device for unmanned aerial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109597111A (en) | 2019-04-09 |
| CN110673188A (en) | 2020-01-10 |
| CN110673188B (en) | 2022-11-04 |
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