CN112332587A - Explosion-proof motor shell suitable for inspection unmanned aerial vehicle, assembly method of explosion-proof motor shell and unmanned aerial vehicle - Google Patents
Explosion-proof motor shell suitable for inspection unmanned aerial vehicle, assembly method of explosion-proof motor shell and unmanned aerial vehicle Download PDFInfo
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- CN112332587A CN112332587A CN202011218807.4A CN202011218807A CN112332587A CN 112332587 A CN112332587 A CN 112332587A CN 202011218807 A CN202011218807 A CN 202011218807A CN 112332587 A CN112332587 A CN 112332587A
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- explosion
- proof
- unmanned aerial
- motor
- aerial vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
- B64D27/02—Aircraft characterised by the type or position of power plant
- B64D27/24—Aircraft characterised by the type or position of power plant using steam, electricity, or spring force
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention provides an explosion-proof motor shell suitable for routing inspection of an unmanned aerial vehicle, which comprises: the unmanned aerial vehicle comprises an explosion-proof main shell, an explosion-proof auxiliary shell, an unmanned aerial vehicle motor, a motor rotor, a rotor support, an unmanned aerial vehicle blade frame, a motor lead port and a small breathing hole, wherein the explosion-proof main shell is detachably connected with the explosion-proof auxiliary shell; the unmanned aerial vehicle motor is arranged in the explosion-proof main shell; the unmanned aerial vehicle motor can be electrically connected with the explosion-proof auxiliary shell through a motor lead port; the unmanned aerial vehicle blade frame is rotatably connected to the rotor support, and the output end of the motor rotor is connected with the unmanned aerial vehicle blade frame in a driving mode; breathing pores are arranged on the outer side of the explosion-proof auxiliary shell and the outer ring of the rotor bracket. According to the invention, by adopting a split type explosion-proof design, the explosion-proof main shell and the explosion-proof auxiliary shell are separately arranged, the explosion-proof main shell protects the motor, the explosion-proof auxiliary shell protects the electric controller, and the rotor support is used as an intermediate component for motor motion output, so that the explosion-proof requirement is met.
Description
Technical Field
The invention relates to the technical field of motor explosion prevention, in particular to an explosion-proof motor shell suitable for underground inspection unmanned aerial vehicles and an inspection unmanned aerial vehicle.
Background
Along with rotor unmanned aerial vehicle's development, the application scene that unmanned aerial vehicle patrolled and examined develops underground space from the bridge floor on the ground, road surface are patrolled and examined gradually. At present, the underground inspection operation of a coal mine is exploring to use an unmanned aerial vehicle inspection technology. To apply the rotor unmanned aerial vehicle inspection technology to underground coal mines, the unmanned aerial vehicle has to meet the explosion-proof requirement of class I electrical equipment, and the unmanned aerial vehicle on the market has no explosion-proof function. The unmanned aerial vehicle motor is high in power and large in heat productivity during working, so that the explosion-proof modification of the unmanned aerial vehicle motor is the most important. At present, most of motor explosion-proof shells are suitable for large-scale motor equipment.
Through search, patent document CN104734408A discloses an explosion-proof motor casing with good heat dissipation, which is generally fixed on the shaft wall or the ground for operation, and does not need to consider the size, weight and other problems of the explosion-proof casing. However, the load of the rotor unmanned aerial vehicle is limited, and the large motor explosion-proof shell is not suitable for the motor of the unmanned aerial vehicle. Patent document CN211456406U discloses a load center integrated explosion-proof housing for a digging head face, wherein 3-4 feed switches, 2 double-fan frequency converters, 3-5 magnetic starters, 1 illumination integrated protection device and 1 switch of the digging head face are integrated on one load center housing, and the load center integrated explosion-proof housing for the digging head face consists of two parts, namely a frequency converter housing and a combination switch housing. Obviously, the explosion-proof housing in the prior art is fixed, and does not need to consider how to coordinate the matching and operation of the carrier in motion.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an explosion-proof motor shell suitable for an inspection unmanned aerial vehicle, an assembly method of the explosion-proof motor shell and the unmanned aerial vehicle, and solves the problem that no explosion-proof motor shell which can be used for the unmanned aerial vehicle exists in the market at present.
According to the explosion-proof motor shell suitable for patrolling unmanned aerial vehicle provided by the invention, the explosion-proof motor shell comprises: the unmanned aerial vehicle comprises an explosion-proof main shell, an explosion-proof auxiliary shell, an unmanned aerial vehicle motor, a motor rotor, a rotor support, an unmanned aerial vehicle blade frame, a motor lead port and a small breathing hole, wherein the explosion-proof main shell and the explosion-proof auxiliary shell are detachably connected; the unmanned aerial vehicle motor is arranged in the explosion-proof main shell; the unmanned aerial vehicle motor can be electrically connected with the explosion-proof auxiliary shell through a motor lead port;
the unmanned aerial vehicle blade frame is rotatably connected to the rotor support, and the output end of the motor rotor is connected with the unmanned aerial vehicle blade frame in a driving mode; breathing pores are arranged on the outer side of the explosion-proof auxiliary shell and the outer ring of the rotor bracket.
Preferably, the explosion-proof main shell further comprises a motor cover plate, and the motor cover plate is arranged above the explosion-proof main shell.
Preferably, the joint surface of the rotating shaft between the motor cover plate and the rotor bracket is a cylindrical joint surface.
Preferably, still include motor electrically tunable equipment, explosion-proof supplementary casing can be located to motor electrically tunable equipment in.
Preferably, the explosion-proof interface between the explosion-proof main housing and the explosion-proof auxiliary housing is a cylindrical spigot interface.
Preferably, the explosion-proof device further comprises a lead sleeve, a sealing sleeve and a line pressing nut, wherein the lead sleeve is externally connected with the explosion-proof auxiliary shell, the sealing sleeve is arranged between the lead sleeve and the line pressing nut, and the sealing sleeve is compressed and fixed through the line pressing nut.
Preferably, the small breathing holes are through holes, and the small breathing holes can be communicated with the inside and the outside of the shell of the explosion-proof motor.
Preferably, the unmanned aerial vehicle blade frame traverses above the motor cover plate.
The invention provides an assembly method of an explosion-proof motor shell suitable for routing inspection of an unmanned aerial vehicle, which comprises the following steps:
step 1: placing an unmanned aerial vehicle motor in the explosion-proof main shell, and fixing the unmanned aerial vehicle motor at the bottom of the explosion-proof main shell;
step 2: connecting the motor rotor with the rotor bracket;
and step 3: sleeving the motor cover plate on the outer ring of the rotor support to form a cylindrical joint surface, and covering the motor cover plate on the top of the explosion-proof main shell to form a cylindrical spigot joint surface;
and 4, step 4: connecting the rotor bracket with the unmanned aerial vehicle blade bracket;
and 5: the explosion-proof auxiliary shell is fixedly connected with the lead sleeve;
step 6: connecting a power supply input line and a control input line of a motor of the unmanned aerial vehicle to the unmanned aerial vehicle electric controller through a motor lead port, and placing the unmanned aerial vehicle electric controller and other control elements in the explosion-proof auxiliary shell;
and 7: a power input line and a control input line which are connected to an electric regulator penetrate through a sealing sleeve and a wire pressing nut, one side of the sealing sleeve is tightly attached to the outer side of the explosion-proof auxiliary shell and the inner side of the lead sleeve, and the wire pressing nut is screwed to fix the sealing sleeve;
and 8: and aligning the bottom of the explosion-proof main shell and the top of the explosion-proof auxiliary shell to form a cylindrical spigot joint surface, and finally connecting the motor cover plate, the explosion-proof main shell and the explosion-proof auxiliary shell.
The unmanned aerial vehicle provided by the invention comprises the explosion-proof motor shell suitable for patrolling the unmanned aerial vehicle.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, by adopting a split type explosion-proof design, the explosion-proof main shell and the explosion-proof auxiliary shell are separately arranged, the explosion-proof main shell protects the motor, the explosion-proof auxiliary shell protects the electric controller, and the rotor support is used as an intermediate component for motor motion output, so that the explosion-proof requirement is met.
2. The explosion-proof auxiliary shell and the rotor support are provided with the small breathing holes, so that partial heat of the inner cavity can be taken away, the heat dissipation performance is good, the existing motor is not required to be redesigned and modified, and the explosion-proof auxiliary shell and the rotor support are suitable for popularization and use.
3. The explosion-proof main shell and the explosion-proof auxiliary shell are designed according to the national standard GB3836.2-2010, meet the explosion-proof requirement of I-type electrical equipment, and are suitable for the explosion-proof motor shell of the underground inspection unmanned aerial vehicle of the coal mine.
4. The explosion-proof motor shell is small in overall size and light in weight, and is suitable for the unmanned aerial vehicle.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic cross-sectional view of an explosion-proof motor housing suitable for use in an underground inspection unmanned aerial vehicle according to the present invention;
FIG. 2 is a top view of an explosion proof motor housing suitable for use in an underground inspection drone in accordance with the present invention;
fig. 3 is a schematic view of the overall structure of the explosion-proof motor housing suitable for the underground inspection unmanned aerial vehicle.
In the figure:
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1, 2 and 3, the explosion-proof motor housing suitable for inspecting the unmanned aerial vehicle provided by the invention comprises an explosion-proof main housing 1, an explosion-proof auxiliary housing 2, an unmanned aerial vehicle motor 3, a motor rotor 4, a rotor support 5, an unmanned aerial vehicle blade frame 6, a motor cover plate 7, an inner hexagonal socket head cap screw 8, a motor lead port 9, a lead sleeve 10, a sealing sleeve 11, a line ball nut 12, a small breathing hole 13 and a cylindrical head cap screw 14, wherein the explosion-proof main housing 1 and the explosion-proof auxiliary housing 2 are detachably connected; the unmanned aerial vehicle motor 3 is arranged in the explosion-proof main shell 1; the unmanned aerial vehicle motor 3 can be electrically connected with the explosion-proof auxiliary shell 2 through a motor lead port 9; the unmanned aerial vehicle blade frame 6 is rotatably connected to the rotor support 5, and the output end of the motor rotor 4 is connected with the unmanned aerial vehicle blade frame 6 in a driving mode; the outer side of the explosion-proof auxiliary shell 2 and the outer ring of the rotor bracket 5 are provided with small breathing holes 13.
Further, unmanned aerial vehicle motor 3 passes through the bolt fastening on explosion-proof main casing body 1, and explosion-proof main casing body 1 and explosion-proof auxiliary casing body 2 pass through motor lead wire mouth 9 intercommunication, and 1 accessible motor lead wire mouth 9 of unmanned aerial vehicle motor is connected with the electricity accent of installing in explosion-proof auxiliary casing body 2. The explosion-proof joint surface between the explosion-proof main shell 1 and the explosion-proof auxiliary shell 2 is a cylindrical spigot joint surface.
Still further say, electric motor rotor 4 is connected with cylindrical rotor support 5 through hexagon socket head cap screw 8, and rotor support 5 rethread screw is connected with unmanned aerial vehicle blade frame 6, and electric motor rotor 4's rotary motion just transmits the unmanned aerial vehicle screw through rotor support 5. The motor cover plate 7 is installed on the outer side of the rotor support 5, and the rotating shaft joint surface between the rotor support 5 and the motor cover plate 7 is a cylindrical joint surface.
Furthermore, the motor cover plate 7 is connected with the explosion-proof main shell 1 and the explosion-proof auxiliary shell 2 through four cylindrical head screws 14, and an explosion-proof joint surface between the motor cover plate 7 and the explosion-proof main shell 1 is a cylindrical spigot joint surface. The cable leading-in device is composed of a lead wire sleeve 10, a sealing sleeve 11 and a line ball nut 12, wherein the lead wire sleeve 10 is connected with the explosion-proof auxiliary shell 2 through welding, and the sealing sleeve 11 is pressed and fixed through the line ball nut 12.
According to the inventionPreferred embodiment(s) of the inventionFor further explanation.
Based on the basic embodiment, at the installation positions of the four cylindrical head screws 14 of the explosion-proof auxiliary shell 2, the convex strip part is provided with a plurality of uniformly distributed small breathing holes 13 array towards the inner cavity.
Based on the basic embodiment, two circles of uniformly distributed small breathing holes 13 are also formed in the outer ring of the rotor support 5. The small breathing holes 13 can allow a small amount of air in the shell cavity of the explosion-proof motor to circulate with the shell air, take away part of heat in the cavity, and ensure good heat dissipation.
Based on the basic embodiment, the axial length of the breathing pore is not less than 9.5mm, the diameter of the breathing pore is not more than 0.2mm, and the design standard of GB3836.2-2010 national flameproof housing is met.
Based on the basic embodiment, the widths of the explosion-proof joint surfaces such as the joint surface of the rotating shaft and the joint surface of the cylindrical seam allowance are not less than 6mm, the gap of the explosion-proof joint surfaces is not more than 0.2mm, and the design standard of the GB3836.2-2010 national explosion-proof shell is met.
Based on the basic embodiment, the explosion-proof main shell 1, the explosion-proof auxiliary shell 2, the rotor support 5, the unmanned aerial vehicle blade frame 6, the motor cover plate 7, the lead wire sleeve 10 and the line ball nut 12 are all made of 304 steel materials, the sealing sleeve is a special elastic sealing ring made of polyurethane, the inner hexagonal socket head cap screw is made of GB-T70.1-2000 materials, and the requirements of explosion-proof strength, heat dissipation performance and the like can be simultaneously guaranteed by the materials.
The assembling method comprises the following steps:
the invention provides an assembly method of an explosion-proof motor shell suitable for underground inspection unmanned aerial vehicle, which comprises the following steps:
and 8, aligning the bottom of the explosion-proof main shell 1 and the top of the explosion-proof auxiliary shell 2 to form a cylindrical spigot joint surface, and finally connecting the motor cover plate 7, the explosion-proof main shell 1 and the explosion-proof auxiliary shell 2 through cylindrical head screws 14.
The invention also provides an unmanned aerial vehicle, which comprises the explosion-proof motor shell suitable for patrolling the unmanned aerial vehicle.
According to the invention, by adopting a split type explosion-proof design, the explosion-proof main shell and the explosion-proof auxiliary shell are separately arranged, the explosion-proof main shell protects the motor, the explosion-proof auxiliary shell protects the electric controller, and the rotor support is used as an intermediate component for motor motion output, so that the explosion-proof requirement is met. The small breathing holes formed in the explosion-proof auxiliary shell and the rotor support can take away partial heat of the inner cavity, so that the heat dissipation performance is good, the existing motor is not required to be redesigned and transformed, and the explosion-proof auxiliary shell and the rotor support are suitable for popularization and use. The explosion-proof main shell and the explosion-proof auxiliary shell are designed according to the national standard GB3836.2-2010, meet the explosion-proof requirement of I-type electrical equipment, and are suitable for the explosion-proof motor shell of the underground inspection unmanned aerial vehicle of the coal mine.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides an explosion-proof motor shell suitable for patrol and examine unmanned aerial vehicle, a serial communication port, include: an explosion-proof main shell (1), an explosion-proof auxiliary shell (2), an unmanned aerial vehicle motor (3), a motor rotor (4), a rotor bracket (5), an unmanned aerial vehicle blade frame (6), a motor lead port (9) and a small breathing hole (13),
the explosion-proof main shell (1) is detachably connected with the explosion-proof auxiliary shell (2);
the unmanned aerial vehicle motor (3) is arranged in the explosion-proof main shell (1);
the unmanned aerial vehicle motor (3) can be electrically connected with the explosion-proof auxiliary shell (2) through a motor lead port (9);
the unmanned aerial vehicle blade frame (6) is rotatably connected to the rotor support (5), and the output end of the motor rotor (4) is connected with the unmanned aerial vehicle blade frame (6) in a driving mode;
and small breathing holes (13) are formed in the outer side of the explosion-proof auxiliary shell (2) and the outer ring of the rotor support (5).
2. The explosion-proof motor housing suitable for patrolling unmanned aerial vehicle of claim 1, characterized by further comprising motor cover plate (7), motor cover plate (7) set up in the top of explosion-proof main casing body (1).
3. The explosion-proof motor housing suitable for patrolling unmanned aerial vehicle of claim 2, characterized in that, the pivot composition surface between motor apron (7) and rotor support (5) is the cylindric composition surface.
4. The explosion-proof motor housing suitable for patrolling unmanned aerial vehicle of claim 1, characterized by further comprises motor electrical tilt equipment, motor electrical tilt equipment can locate in explosion-proof auxiliary housing (2).
5. The explosion-proof motor housing suitable for the inspection of unmanned aerial vehicles according to claim 1, characterized in that the explosion-proof joint surface between the main explosion-proof housing (1) and the auxiliary explosion-proof housing (2) is a cylindrical spigot joint surface.
6. The explosion-proof motor shell suitable for patrolling and examining unmanned aerial vehicle of claim 1, characterized in that still includes lead wire cover (10), seal cover (11) and line ball nut (12), external explosion-proof auxiliary housing body (2) of lead wire cover (10), seal cover (11) set up between lead wire cover (10) and line ball nut (12), seal cover (11) compress tightly fixedly through line ball nut (12).
7. The explosion-proof motor housing suitable for patrolling and examining unmanned aerial vehicle of claim 1, characterized in that, breathe aperture (13) for the through-hole, breathe aperture (13) can link up inside and outside the explosion-proof motor housing.
8. The explosion proof motor housing suitable for patrolling unmanned aerial vehicle of claim 2, wherein the unmanned aerial vehicle blade carrier (6) traverses above the motor cover plate (7).
9. The utility model provides an assembly method suitable for patrol and examine explosion-proof machine shell of unmanned aerial vehicle which characterized in that includes following step:
step 1: placing an unmanned aerial vehicle motor (3) in the anti-explosion main shell (1) and fixing the unmanned aerial vehicle motor at the bottom of the anti-explosion main shell (1);
step 2: connecting the motor rotor (4) with the rotor bracket (5);
and step 3: sleeving a motor cover plate (7) on the outer ring of the rotor support (5) to form a cylindrical joint surface, and covering the motor cover plate (7) on the top of the explosion-proof main shell (1) to form a cylindrical spigot joint surface;
and 4, step 4: connecting the rotor support (5) with an unmanned aerial vehicle blade frame (6);
and 5: the explosion-proof auxiliary shell (2) is tightly connected with the lead sleeve (10);
step 6: a power supply input line and a control input line of an unmanned aerial vehicle motor (3) are connected to an unmanned aerial vehicle electric controller through a motor lead port (9), and the unmanned aerial vehicle electric controller and other control elements are placed in an explosion-proof auxiliary shell (2);
and 7: a power input line and a control input line which are connected to an electric regulator penetrate through a sealing sleeve (11) and a line pressing nut (12), one side of the sealing sleeve (11) is tightly attached to the outer side of the explosion-proof auxiliary shell (2) and the inner side of a lead sleeve (10), and the line pressing nut (12) is screwed to fix the sealing sleeve (11);
and 8: and aligning the bottom of the explosion-proof main shell (1) and the top of the explosion-proof auxiliary shell (2) to form a cylindrical spigot joint surface, and finally connecting the motor cover plate (7), the explosion-proof main shell (1) and the explosion-proof auxiliary shell (2).
10. An unmanned aerial vehicle, characterized in that, contains the explosion-proof motor housing suitable for patrolling unmanned aerial vehicle of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218807.4A CN112332587A (en) | 2020-11-04 | 2020-11-04 | Explosion-proof motor shell suitable for inspection unmanned aerial vehicle, assembly method of explosion-proof motor shell and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011218807.4A CN112332587A (en) | 2020-11-04 | 2020-11-04 | Explosion-proof motor shell suitable for inspection unmanned aerial vehicle, assembly method of explosion-proof motor shell and unmanned aerial vehicle |
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| CN112332587A true CN112332587A (en) | 2021-02-05 |
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| CN202011218807.4A Pending CN112332587A (en) | 2020-11-04 | 2020-11-04 | Explosion-proof motor shell suitable for inspection unmanned aerial vehicle, assembly method of explosion-proof motor shell and unmanned aerial vehicle |
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| CN201063512Y (en) * | 2007-07-19 | 2008-05-21 | 湖北汉丹机电有限公司 | Explosion-proof permanent-magnet brushless DC motor |
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| CN208508685U (en) * | 2018-08-14 | 2019-02-15 | 东莞市超颖电机科技有限公司 | A kind of explosion-proof type is taken photo by plane motor |
| CN110182365A (en) * | 2019-06-13 | 2019-08-30 | 中国矿业大学 | A kind of coal mine underground explosion proof type quadrotor drone |
| CN110892612A (en) * | 2017-09-20 | 2020-03-17 | 信浓绢糸株式会社 | All-weather motor |
| CN210431088U (en) * | 2019-08-26 | 2020-04-28 | 湖南湘仪实验室仪器开发有限公司 | Explosion-proof motor for centrifugal machine |
| JP2020168978A (en) * | 2019-04-04 | 2020-10-15 | 株式会社石井鐵工所 | Explosion-proof unmanned aircraft |
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2020
- 2020-11-04 CN CN202011218807.4A patent/CN112332587A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201063512Y (en) * | 2007-07-19 | 2008-05-21 | 湖北汉丹机电有限公司 | Explosion-proof permanent-magnet brushless DC motor |
| CN205087143U (en) * | 2015-11-13 | 2016-03-16 | 中航鹰航空技术（北京）有限公司 | Many rotors of flame -proof type unmanned vehicles |
| CN110892612A (en) * | 2017-09-20 | 2020-03-17 | 信浓绢糸株式会社 | All-weather motor |
| CN108146610A (en) * | 2017-12-13 | 2018-06-12 | 天津大学 | A kind of explosion-proof unmanned aerial vehicle platform for natural gas leaking detection |
| CN208508685U (en) * | 2018-08-14 | 2019-02-15 | 东莞市超颖电机科技有限公司 | A kind of explosion-proof type is taken photo by plane motor |
| JP2020168978A (en) * | 2019-04-04 | 2020-10-15 | 株式会社石井鐵工所 | Explosion-proof unmanned aircraft |
| CN110182365A (en) * | 2019-06-13 | 2019-08-30 | 中国矿业大学 | A kind of coal mine underground explosion proof type quadrotor drone |
| CN210431088U (en) * | 2019-08-26 | 2020-04-28 | 湖南湘仪实验室仪器开发有限公司 | Explosion-proof motor for centrifugal machine |
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Application publication date: 20210205 |
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