CN107882757A - 360 degree of intelligent rotating fans - Google Patents

360 degree of intelligent rotating fans Download PDF

Info

Publication number
CN107882757A
CN107882757A CN201711397477.8A CN201711397477A CN107882757A CN 107882757 A CN107882757 A CN 107882757A CN 201711397477 A CN201711397477 A CN 201711397477A CN 107882757 A CN107882757 A CN 107882757A
Authority
CN
China
Prior art keywords
fixture
degree
pillar
electric machine
transmission mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711397477.8A
Other languages
Chinese (zh)
Other versions
CN107882757B (en
Inventor
杨辉
姚文林
黄杰东
钱桂名
王俊岚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Vocational and Technical College
Original Assignee
Sichuan Vocational and Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Vocational and Technical College filed Critical Sichuan Vocational and Technical College
Priority to CN201711397477.8A priority Critical patent/CN107882757B/en
Publication of CN107882757A publication Critical patent/CN107882757A/en
Application granted granted Critical
Publication of CN107882757B publication Critical patent/CN107882757B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/10Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
    • F04D25/105Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0693Details or arrangements of the wiring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/007Conjoint control of two or more different functions
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to a kind of 360 degree of intelligent rotating fans, including fan electromotor, electric machine casing, stepper motor, fixed plate, transmission bracket, transmission mechanism, fixture, fixing axle, electric machine casing bottom is connected with fixing axle, fixture is installed in fixing axle, electric machine casing is provided with fixed plate on rear end, fixed plate lower surface is provided with transmission bracket, the transmission mechanism for coordinating with fixture and transmitting moment of torsion is installed on transmission bracket, fixing axle bottom is provided with pillar, be provided with pillar along pillar central shaft axially through put string holes, the power line of fan electromotor passes through fixture and is positioned over and puts in string holes, the power transmission shaft of stepper motor is fixedly connected with the axle of transmission mechanism to drive transmission mechanism to rotate.The present invention installs stepper motor to drive transmission mechanism to rotate in electric machine casing rear end so that transmission mechanism rotates relative to fixture, realizes that fan electromotor rotates forward or backwards.

Description

360 degree of intelligent rotating fans
Technical field
The present invention relates to family's electro-technical field, more particularly to a kind of 360 degree of intelligent rotating fans.
Background technology
Flooring fan is one of maximum household electrical appliance of current dosage, and current flooring fan can only be in the model less than 90 degree Enclose internal rotation to shake the head, if family members is relatively scattered, current flooring fan cannot meet, if to meet family every nook and cranny Fan can be used, can only require that rotation is shaken the head 360 degree.
The content of the invention
It is an object of the invention to provide a kind of 360 degree of intelligent rotating fans, can solve general flooring fan well The problem of can not being rotated by 360 °.
To achieve these goals, the invention provides following technical scheme:
The present invention provides one kind 360 degree of intelligent rotating fans, including the electric machine casing of fan electromotor, parcel fan electromotor, Stepper motor, fixed plate, transmission bracket, transmission mechanism, the fixture coordinated with transmission mechanism, fixing axle, built-in control system System, fan electromotor power transmission shaft pass electric machine casing front end to install and drive flabellum, and electric machine casing bottom is connected with fixation Axle, fixture is installed in fixing axle, fixed plate is installed on electric machine casing rear end, fixed plate upper surface is provided with stepping electricity Machine, fixed plate lower surface are provided with transmission bracket, and the transmission mechanism for coordinating with fixture and transmitting moment of torsion is provided with transmission bracket, Fixing axle bottom is provided with pillar, be provided with pillar along pillar central shaft axially through put string holes, the power supply of fan electromotor Line passes through fixture and is positioned over and puts in string holes, and the power transmission shaft of stepper motor is fixedly connected with the axle of transmission mechanism to drive transmission Mechanism rotates so that transmission mechanism rotates relative to fixture;Wherein, the start and stop of fan electromotor and stepper motor and rotating speed are controlled System control processed.
Further, the L-shaped tabular of fixed plate, one end are connected with electric machine casing rear end face, other end and transmission Bracket connects.
Further, transmission bracket includes upper plate, support member, lower plate, and upper plate is provided with the top of support member, props up Support member bottom is provided with two layers of lower plate.Transmission mechanism includes driving gear, driven gear, and driving gear is installed on stepper motor Underface, driven gear is installed between two layers of lower plate, and driving gear engages connection with driven gear, in driving gear The outrigger shaft of mandrel is fixedly connected with the power transmission shaft of the stepper motor through upper plate.Fixture is fixed gear, fixed gear Connection is engaged with driven gear.
Further, pillar top is provided with the supporting part of protrusion to support fixture, and fixing axle is arranged at supporting part Top dead center position.Put string holes and be arranged at pillar top supporting part circumferential position;Fixture center is provided with installation and fixed The endoporus of axle, arcuate socket is provided between fixture endoporus and outer to place power line.As another option, put string holes and set Fixing axle cental axial position is placed in, is corresponded on electric machine casing and puts string holes position setting through hole to place power line.
Further, pillar bottom is provided with base post, and base top end is provided with u-shaped shape opening, pillar bottom End is provided with to be set in the U-shaped opening of base post in type shape plush copper, pillar by plush copper.
Further, electric machine casing front end is provided with the protection network of parcel flabellum, and sensing human body is provided with protection network Human body induction module.Human body induction module senses human body and transmits a signal to control system, control system output control Signal controling stepping motor rotates forward or backwards so that flabellum outlet air surface follows human body to rotate.As another option, people's body-sensing Answer module sensing human body and transmit a signal to control system, control system output control signal control stepper motor is positive and anti- To turning an angle so that flabellum outlet air surface cycle rotation in human body or so certain angle.
Compared with prior art, the present invention has advantages below:
360 degree of intelligent rotating fans of the present invention, stepper motor is installed in electric machine casing rear end to drive transmission mechanism to turn It is dynamic so that transmission mechanism rotates relative to fixture, realizes that fan electromotor rotates forward or backwards;Line is put on pillar Hole, and string holes will be put and be placed in fixture so that electric machine casing is rotated by 360 ° forward or backwards also can keep power line not twine Around.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 is Fig. 1 of present invention internal structure schematic diagram;
Fig. 3 is the internal structure schematic diagram of another embodiment of the present invention.
Embodiment
Embodiments of the invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that embodiment described herein is only used In the description and interpretation present invention, it is not intended to limit the present invention.
Embodiment
As Figure 1-3, the present embodiment provides a kind of 360 degree of intelligent rotating fans, including fan electromotor, parcel fan electricity The electric machine casing 1 of machine, stepper motor 3, fixed plate 2, transmission bracket 4, transmission mechanism (5,6), the fixation coordinated with transmission mechanism Part (8), fixing axle 7, built-in control system, fan electromotor power transmission shaft pass the front end of electric machine casing 1 to install and drive flabellum, The bottom of electric machine casing 1 is connected with fixing axle 7, and fixture is provided with fixing axle 7, is provided with the rear end of electric machine casing 1 solid Fixed board 2, the upper surface of fixed plate 2 are provided with stepper motor 3, and the lower surface of fixed plate 2 is provided with transmission bracket 4, pacified on transmission bracket 4 Equipped with the transmission mechanism for coordinating transmission moment of torsion with fixture, the bottom of fixing axle 7 is provided with pillar 9, is provided with pillar 9 along pillar Central shaft axially through put string holes 91, the power line of fan electromotor is put in string holes 91 through fixture and being positioned over, stepping electricity The power transmission shaft 31 of machine 3 is fixedly connected with the axle of transmission mechanism to drive transmission mechanism to rotate so that transmission mechanism is relative to fixation Part rotates;Wherein, the start and stop of fan electromotor and stepper motor 3 and the controlled system control of rotating speed.
Electric machine casing 1 is flexibly connected with fixing axle 7.Referring to Fig. 2, Fig. 3, blind hole is set to form endoporus on the top of fixing axle 7, Rotary shaft 11 is set to be carried out to be set in the endoporus of fixing axle 7 by screw or flexure strip etc. spacing in the bottom of electric machine casing 1. It is of course also possible to be connected using bearing, now fixing axle is in bearing.
2 L-shaped tabular of fixed plate, one end are connected with the rear end face of electric machine casing 1, on other end and transmission bracket 4 End face connects.
Transmission bracket 4 includes upper plate, support member, lower plate, and upper plate, support member bottom peace are provided with the top of support member Equipped with two layers of lower plate.Upper plate upper surface is connected with the foregoing other end of fixed plate 2.
Transmission mechanism coordinates with transmitting moment of torsion with fixture.Referring to Fig. 1, Fig. 2, transmission mechanism includes driving gear 5, driven Gear 6, driving gear 5 are installed on the underface of stepper motor 3, and driven gear 6 is installed between two layers of lower plate, driving gear 5 engage connection, the power transmission shaft of the outrigger shaft of the central shaft of driving gear 5 and the stepper motor 3 through upper plate with driven gear 6 31 are fixedly connected.The outrigger shaft top of driving gear 5 is provided with blind hole shape mounting hole, the power transmission shaft 31 of stepper motor 3 through fixed plate, Upper plate etc. is set in mounting hole, and the outrigger shaft side of driving gear 5 is provided with through hole, and the side of 3 power transmission shaft of stepper motor 31 is set Screwed hole is equipped with, driving gear 5 extends shaft through-hole and is built-in with screw to be threadedly coupled with the screwed hole of 3 power transmission shaft of stepper motor 31. Fixture is fixed gear 8, and fixed gear 8 engages connection with driven gear 6.In order to save material, it is in V words that lower plate, which is set, Shape, two openend are provided with support member, and its openend is closed away from fixed gear, driven gear installed in the lower plate Close on tip.Now, the power transmission shaft 31 of stepper motor 3 drives driving gear rotation, and then drives driven gear 6 to rotate, Jin Erxiang Fixed gear 8 transmits moment of torsion so that driven gear 6 rotates along the outer of fixed gear 8 so that transmission bracket 4 and electric machine casing 1 Rotated Deng relative to fixing axle 7.As another option, with reference to foregoing, transmission mechanism includes driving gear, chain, and fixture is Fixed gear, driving gear are connected by chain with fixed gear, to realize that driving gear rotates relative to fixed gear;When So, transmission mechanism can also be driving wheel, belt, and fixture is fast pulley, and driving wheel is connected by belt with fast pulley, with reality Existing driving wheel rotates relative to fast pulley.
The top of pillar 9 is provided with the supporting part of protrusion to support fixture, and fixing axle 7 is arranged at supporting part top centre bit Put.Referring to Fig. 2, put string holes 91 and be arranged at the apical support portion circumferential position of pillar 9;Fixture (8) center is provided with installation The endoporus of fixing axle 7, it is provided between fixture endoporus and outer in the arcuate socket 81 of fan shape insertion end face to place electricity Source line;Now, the arcuate socket based on circumferencial direction opening, power line rotate in arcuate socket, the suitably long point of power line so that electricity Casing body (fan electromotor), which is rotated by 360 °, also can keep power line not wind, and reversely be revolved after electric machine casing is rotated by 360 ° Turn.As another option, referring to Fig. 3, put string holes 91 and be arranged at the cental axial position of fixing axle 7 and penetrate pillar 9, electric machine casing 1 Upper correspond to puts the position of string holes 91 setting through hole to place power line;Now, power line is placed in fixing axle cental axial position Insertion putting in string holes to electric machine casing, power line carries out " rotation " as electric machine casing rotates, and power line possesses in itself Certain torsion capacity so that electric machine casing, which is rotated by 360 °, also can keep power line not wind, and, in power line distortional energy In the range of power, the rotatable predetermined angular more than 360 degree, reversely rotated in predetermined angular of the rotation more than 360 degree.
The bottom of pillar 9 is extended with hollow tube, with base.As another option, referring to Fig. 1-3, the bottom of pillar 9 Base post 10 is provided with, with base;The top of base post 10 is provided with u-shaped shape opening, and the bottom of pillar 9 is provided with In type shape plush copper, pillar is set in by plush copper in the U-shaped opening of base post.
The front end of electric machine casing 1 is provided with the protection network of parcel flabellum, and people's body-sensing of sensing human body is provided with protection network Answer module.Human body induction module senses human body and transmits a signal to control system, control system output control signal control step Stepper motor rotates forward or backwards so that flabellum outlet air surface follows human body to rotate.As another option, human body induction module sensing Human body simultaneously transmits a signal to control system, and control system output control signal control stepper motor forward and reverse rotates certain Angle so that flabellum outlet air surface cycle rotation in human body or so certain angle.
Control system controls for PLC system, and remote control module can be set to carry out long-distance remote control control, can pass through preprogrammed Program controls fan motor rotational speed, can control stepper motor start and stop, reaches flooring fan and reaches and is rotated freely in 360 degree. Its integrated device is mountable on pillar or base post, and now, foregoing fan electromotor power line refers to including fan electromotor The circuit loop connecting line such as power line, power supply for step-by-step motor line and control line, human body induction module connecting line, it is by putting line Hole is connected with corresponding device;Can also be arranged on is included on the rotatable device such as electric machine casing.
It should be appreciated that the above embodiment of the present invention and example, are in order at description and interpretation purpose, not thereby limit this hair Bright scope.The scope of the present invention is defined by claim, rather than by above-described embodiment and example definition.

Claims (10)

  1. A kind of 1. 360 degree of intelligent rotating fans, it is characterised in that the electric machine casing including fan electromotor, parcel fan electromotor (1), stepper motor (3), fixed plate (2), transmission bracket (4), transmission mechanism, the fixture coordinated with transmission mechanism, fixing axle (7), built-in control system, the fan electromotor power transmission shaft passes electric machine casing (1) front end to install and drive flabellum, described Electric machine casing (1) bottom is connected with fixing axle (7), and fixture, the electric machine casing are provided with the fixing axle (7) (1) fixed plate (2) is installed, fixed plate (2) upper surface is provided with stepper motor (3), under the fixed plate (2) on rear end Surface is provided with transmission bracket (4), and the transmission mechanism for coordinating with fixture and transmitting moment of torsion is provided with the transmission bracket (4), Fixing axle (7) bottom is provided with pillar (9), be provided with the pillar (9) along pillar central shaft axially through put line Hole, the power line of the fan electromotor, which passes through fixture and is positioned over, to be put in string holes, the power transmission shaft and biography of the stepper motor (3) The axle of motivation structure is fixedly connected to drive transmission mechanism to rotate so that transmission mechanism rotates relative to fixture;Wherein, the wind Fan motor and the start and stop of stepper motor (3) and the controlled system control of rotating speed.
  2. 2. 360 degree of intelligent rotating fans according to claim 1, it is characterised in that the L-shaped tabular of the fixed plate (2), its End face is connected with electric machine casing (1) rear end face, and other end is connected with transmission bracket (4).
  3. 3. 360 degree of intelligent rotating fans according to claim 1, it is characterised in that the transmission bracket (4) includes upper plate Part, support member, lower plate, support member top are provided with upper plate, and support member bottom is provided with two layers of lower plate.
  4. 4. 360 degree of intelligent rotating fans according to claim 3, it is characterised in that the transmission mechanism includes driving gear (5), driven gear (6), driving gear (5) are installed on the underface of stepper motor (3), and driven gear (6) is installed under two layers Between plate, driving gear (5) engages connection with driven gear (6), and the outrigger shaft of the central shaft of driving gear (5) is upper with passing through The power transmission shaft of the stepper motor (3) of plate is fixedly connected.
  5. 5. 360 degree of intelligent rotating fans according to claim 4, it is characterised in that the fixture is fixed gear (8), Fixed gear (8) engages connection with driven gear (6).
  6. 6. 360 degree of intelligent rotating fans according to claim 1, it is characterised in that pillar (9) top is provided with protrusion Supporting part to support fixture, fixing axle (7) is arranged at supporting part top dead center position.
  7. 7. 360 degree of intelligent rotating fans according to claim 6, it is characterised in that the string holes of putting is arranged at pillar (9) top Hold supporting part circumferential position.
  8. 8. 360 degree of intelligent rotating fans according to claim 7, it is characterised in that the fixture center is provided with The endoporus of fixing axle (7) is installed, arcuate socket is provided between fixture endoporus and outer to place power line.
  9. 9. 360 degree of intelligent rotating fans according to claim 6, it is characterised in that the string holes of putting is arranged at fixing axle (7) Cental axial position, through hole is set to place power line corresponding to putting string holes position on electric machine casing (1).
  10. 10. 360 degree of intelligent rotating fans according to claim 1, it is characterised in that pillar (9) bottom is provided with bottom Seat pillar (10), base post (10) top are provided with u-shaped shape opening, and pillar (9) bottom is provided with type shape plush copper, branch Post (9) is set in by plush copper in the U-shaped opening of base post (10).
CN201711397477.8A 2017-12-21 2017-12-21 360 intelligent rotary fan Active CN107882757B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711397477.8A CN107882757B (en) 2017-12-21 2017-12-21 360 intelligent rotary fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711397477.8A CN107882757B (en) 2017-12-21 2017-12-21 360 intelligent rotary fan

Publications (2)

Publication Number Publication Date
CN107882757A true CN107882757A (en) 2018-04-06
CN107882757B CN107882757B (en) 2023-09-26

Family

ID=61772202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711397477.8A Active CN107882757B (en) 2017-12-21 2017-12-21 360 intelligent rotary fan

Country Status (1)

Country Link
CN (1) CN107882757B (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1395044A (en) * 2001-07-03 2003-02-05 柳炳燮 Rotating fan ventilator
KR200408696Y1 (en) * 2005-10-05 2006-02-13 오현지 Rotation apparatus of electric fan
CN201450381U (en) * 2009-06-12 2010-05-05 于盆秀 Fan motor capable of rotating 360 degrees
CN201650812U (en) * 2010-05-20 2010-11-24 珠海格力电器股份有限公司 Oscillating device and electric fan employing same
CN202391776U (en) * 2011-11-17 2012-08-22 珠海格力电器股份有限公司 Fan head shaking device with adjustable pivot angle
CN103671177A (en) * 2013-11-18 2014-03-26 广西科技大学 360-degree rotating electric fan
CN104131987A (en) * 2014-07-15 2014-11-05 郑州大学 Oscillating angle regulation device of electric fan
CN204984974U (en) * 2015-08-21 2016-01-20 久业科技(天津)有限公司 Novel wind energy air discharge fan
CN207598545U (en) * 2017-12-21 2018-07-10 四川职业技术学院 360 degree of intelligent rotating fans

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1395044A (en) * 2001-07-03 2003-02-05 柳炳燮 Rotating fan ventilator
KR200408696Y1 (en) * 2005-10-05 2006-02-13 오현지 Rotation apparatus of electric fan
CN201450381U (en) * 2009-06-12 2010-05-05 于盆秀 Fan motor capable of rotating 360 degrees
CN201650812U (en) * 2010-05-20 2010-11-24 珠海格力电器股份有限公司 Oscillating device and electric fan employing same
CN202391776U (en) * 2011-11-17 2012-08-22 珠海格力电器股份有限公司 Fan head shaking device with adjustable pivot angle
CN103671177A (en) * 2013-11-18 2014-03-26 广西科技大学 360-degree rotating electric fan
CN104131987A (en) * 2014-07-15 2014-11-05 郑州大学 Oscillating angle regulation device of electric fan
CN204984974U (en) * 2015-08-21 2016-01-20 久业科技(天津)有限公司 Novel wind energy air discharge fan
CN207598545U (en) * 2017-12-21 2018-07-10 四川职业技术学院 360 degree of intelligent rotating fans

Also Published As

Publication number Publication date
CN107882757B (en) 2023-09-26

Similar Documents

Publication Publication Date Title
CN207598545U (en) 360 degree of intelligent rotating fans
CN107882757A (en) 360 degree of intelligent rotating fans
CN107420331B (en) Oscillating fan
CN106193761B (en) A kind of power high voltage transmission device
CN205779477U (en) A kind of wind power generation system
CN104061520A (en) Solar street lamp component
CN208258877U (en) A kind of artificial intelligence scarer for electric tower
CN105840418A (en) Power supply mechanism of air purifying device
CN206093892U (en) Wind and solar hybrid street lamp
CN209199489U (en) A kind of protection type electronic information board
CN205545583U (en) Energy storage rotary camera
CN210531950U (en) Mechanism capable of rotating camera by infinite angle and camera
CN207380560U (en) A kind of a wide range of synchronized solar plate
CN206236269U (en) Detection means is captured in a kind of solar powered formula traffic
CN210423118U (en) Fan with adjustable steering angle
CN203324832U (en) Automatic tracking photovoltaic blinds system
CN217633031U (en) Fan wiring structure
CN207005630U (en) Head-shaking device and its mounting bracket
CN211289864U (en) Street lamp
CN205063378U (en) Electronic room of intelligence
CN205938960U (en) Solar energy landscape lamp
CN210485096U (en) Angle adjusting mechanism of finance ATM camera
CN214306346U (en) Anti-theft safety probe for weak current security
CN205841271U (en) A kind of can be according to the ceiling fan of ambient temperature auto-control rotating speed
CN207399058U (en) A kind of intelligent industrial motor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant