CN105739347B - A kind of power network line bird-scaring unit and bird repellent method - Google Patents
A kind of power network line bird-scaring unit and bird repellent method Download PDFInfo
- Publication number
- CN105739347B CN105739347B CN201610299982.8A CN201610299982A CN105739347B CN 105739347 B CN105739347 B CN 105739347B CN 201610299982 A CN201610299982 A CN 201610299982A CN 105739347 B CN105739347 B CN 105739347B
- Authority
- CN
- China
- Prior art keywords
- light
- control circuit
- transistor
- light control
- led controller
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
- A01M29/10—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using light sources, e.g. lasers or flashing lights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Birds (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The present invention discloses a kind of power network line bird-scaring unit, including：Fixing seat, bracket is arranged in fixing seat, and cantilever tip is arranged motor cabinet, motor is installed in motor cabinet, is set with wind wheel on machine shaft；Wind wheel includes the axle sleeve being sleeved on machine shaft, is arranged radially three support rods along axle sleeve, support rod end installs wind bowl, reflecting mirror is arranged inside wind bowl；Further include：Light emitting diode, light control circuit, LED controller, power supply；Light control circuit, for according to light control motor and LED operation state；LED controller, for controlling light-emitting diode flash frequency and luminescent color；Light control circuit is electrically connected with motor, LED controller respectively, and LED controller is electrically connected with light emitting diode.Bird-scaring unit structure of the invention is simple, can play at any time effect on driving birds according to ambient light according to bird repellent mode is reasonably selected, improve working efficiency, cut operating costs.
Description
Technical field
The present invention relates to bird-scaring units, and in particular to a kind of bird-scaring unit on power network line.
Background technique
Birds are nested in power network line, bring huge security risk to transmission line of electricity, according to investigations, since birds activity causes
Line fault be only second to damage to crops caused by thunder and external force and destroy.Therefore prevent birds from nesting in transmission line of electricity, be network operation personnel must
One of work.But birds are the friends of the mankind, when driving birds, should not hurt birds.On the other hand, with power grid
Development, transmission line of electricity is more and more, and the bird-scaring unit needed is also more and more, need to further decrease bird-scaring unit cost, improves and drives
Bird device service life and service efficiency.
Summary of the invention
To solve the above problems, the present invention provides a kind of inexpensive, efficient power network line bird-scaring unit.
The technical scheme is that：A kind of power network line bird-scaring unit, including：Fixing seat is arranged in the fixing seat
Bracket, cantilever tip are arranged motor cabinet, motor are installed in motor cabinet, is set with wind wheel on machine shaft；
The wind wheel includes the axle sleeve being sleeved on machine shaft, is arranged radially three support rods, support rod end along axle sleeve
Reflecting mirror is arranged in end installation wind bowl, wind bowl inside；
Further include：Light emitting diode, light control circuit, LED controller, power supply；
The light control circuit, for according to light control motor and LED operation state；
The LED controller, for controlling light-emitting diode flash frequency and luminescent color；
The light control circuit is electrically connected with motor, LED controller respectively, the light emitting diode control
Device is electrically connected with light emitting diode.
Further, the light control circuit includes：Photo resistance RL, swept resistance RP1, transistor VT1, transistor
VT2, zener diode VD, relay K,
The photo resistance RL connects with swept resistance RP1 to be followed by both ends of power；The transistor VT1 collector connects electricity
Source anode, base stage connects swept resistance RP1 sliding end, emitter connects transistor VT2 base stage；The transistor VT2 emitter connects electricity
Source cathode, collector connecting relay K coil one end, another termination positive pole of relay K coil；The zener diode VD is just
Pole connects transistor VT2 collector, cathode connects positive pole；
The collector of the input termination transistor VT2 of the LED controller.
Further, the light control circuit further includes：Capacitor C1, capacitor C2, swept resistance RP2；
Node, another termination power cathode between capacitor C1 mono- end the Jie transistor VT1 and swept resistance RP1；
The swept resistance RP2 connects between transistor VT1 emitter and transistor VT2 base stage,
The capacitor C2 mono- terminates sliding end, another termination power cathode of swept resistance RP2.
Further, LED controller is AVR mega48 single-chip microcontroller.
Further, further include：Arc polygonal mirror；The arc polygonal mirror is arranged on the axle sleeve of wind wheel.
Further, further include：Electrical accommodating chamber on bracket is set；Light inlet window is set in the electric appliance accommodating chamber；
Light control circuit and LED controller are arranged in electrical accommodating chamber.
Further, power supply includes solar panel and battery；The battery is arranged in electrical accommodating chamber.
Further, axle sleeve, wind bowl, support rod outer surface be coated with antioxidant and ultraviolet screener.
A kind of power network line bird-scaring unit bird repellent method, which is characterized in that including：
Adjust illumination critical value；
Photo resistance detects ambient light and shines, when ambient light, which is shone, is greater than critical value, the work of light control circuit control motor
Wind wheel rotation is driven, while light control circuit controls light emitting diode by LED controller and closes；
When ambient light, which is shone, is less than critical value, the closing of light control circuit control motor makes wind wheel stop rotating, the same to time
The feux rouges and yellow light that light emitting diode issues indefinite frequency are controlled by LED controller according to control circuit.
Further, further include：Adjust the circuit delay time.
Power network line bird-scaring unit provided by the invention, setting light control circuit, light emitting diode and motor, illumination control
Circuit processed detects ambient light degree of illuminating, and when ambient light degree of illuminating is larger, light control circuit control light emitting diode is closed, and
So that motor work is driven wind wheel rotation, is shone using the reflecting mirror reflected light in wind bowl, drive birds；When ambient light degree of illuminating is smaller
When, light control circuit control motor stops working, and makes LED operation, the capable of emitting indefinite frequency of light emitting diode
Feux rouges and yellow light the characteristics of using birds fear particular color illumination, prevent route stop under birds from nesting.Bird repellent of the invention
Device structure is simple, can play at any time effect on driving birds according to ambient light according to bird repellent mode is reasonably selected, improve working efficiency, reduce
Operation cost.
Detailed description of the invention
Fig. 1 is specific embodiment of the invention structural schematic diagram.
Fig. 2 is specific embodiment of the invention circuit theory schematic diagram.
Fig. 3 is specific embodiment of the invention light control circuit diagram.
In figure, 1 arc polygonal mirror, 2 axle sleeves, 3 support rods, 4 wind bowls, 5 reflecting mirrors, 6 motor cabinets, 7 light emitting diodes,
8 brackets, 9 solar panels, 10 electrical accommodating chambers, 11 fixing seats, 12 motors, 13 light control circuits, 14 light emitting diodes
Controller, 15 power supplys.
Specific embodiment
The present invention will be described in detail with reference to the accompanying drawing and by specific embodiment, and following embodiment is to the present invention
Explanation, and the invention is not limited to following implementation.
As shown in Figure 1, power network line bird-scaring unit provided by the invention, including fixing seat 11, branch is set in fixing seat 11
Frame 8,8 top of bracket are arranged motor cabinet 6, motor 12 are installed in motor cabinet 6, is set with wind wheel in 12 shaft of motor.Wind wheel includes set
Axle sleeve 2 in 12 shaft of motor is arranged radially three support rods 3 along axle sleeve 2, and wind bowl 4, wind bowl 4 are installed in 3 end of support rod
Inside setting reflecting mirror 5.To increase reflected light illumination range, expands bird repellent range, arc multi-panel is set on the axle sleeve 2 of wind wheel
1,360 degree of reflecting mirror a wide range of reflected lights are shone, and nothing drives blind spot.To improve service life, in the axle sleeve 2 of wind wheel, bowl, support
The outer surface of bar 3 is coated with antioxidant and ultraviolet screener.
As shown in Fig. 2, circuit part of the invention includes light emitting diode 7, light control circuit 13, light-emitting diodes control
Device 14 and power supply 15 processed.Light control circuit 13 is electrically connected with motor 12, LED controller 14 respectively, light emitting diode
Controller 14 is electrically connected with light emitting diode 7, and power supply 15 gives each electrical offer voltage.Light control circuit 13, for according to light
According to control motor 12 and 7 working condition of light emitting diode, the i.e. opening and closing of motor 12, light emitting diode 7.Light emitting diode
Controller 14, for controlling 7 flash frequency of light emitting diode and luminescent color, i.e., controllable light emitting diode 7 is with indefinite frequency
Feux rouges and yellow light are issued, birds is made to be difficult to adapt to the illumination of light emitting diode 7, improves effect on driving birds.LED controller
14 can be used AVR mega48 single-chip microcontroller cheap, that performance is stable.
Light emitting diode 7 may be provided on bracket 8 or motor cabinet 6.Power supply 15 uses solar panel 9 and battery,
Too can solar panel charge a battery, energy conservation and environmental protection.
To protect electrically from pollution, electrical accommodating chamber 10, light control circuit 13, light-emitting diodes are set on bracket 8
Tube controller 14 and battery are arranged in electrical accommodating chamber 10.To enable light control circuit 13 to receive illumination, in electricity
Light inlet window is set in gas accommodating chamber 10.
As shown in figure 3, light control circuit 13 includes photo resistance RL, swept resistance RP1, transistor VT1, transistor
VT2, zener diode VD, relay K.Photo resistance RL connects with swept resistance RP1 and is followed by power supply, both ends；Transistor VT1
Collector connects that power supply, anode, base stage connect swept resistance RP1 sliding end, emitter connects transistor VT2 base stage；Transistor VT2 transmitting
Pole connects power cathode, collector connecting relay K coil one end, another termination power of relay K coil, anode；Zener diode
VD anode connects transistor VT2 collector, cathode connects power supply, anode.The input termination transistor VT2 of LED controller 14
Collector.
To prevent under illumination critical state, the capacitor C1 of time-lag action, capacitor has been arranged in relay K job insecurity
Node, another termination power cathode between C1 mono- end Jie transistor VT1 and swept resistance RP1.For to the unexpected light such as thunder and lightning
Line, which absorb, eliminates its influence, while further avoiding relay K and frequently bounce occurs in illumination critical point, and capacitor C2 is arranged
It is connect between transistor VT1 emitter and transistor VT2 base stage with swept resistance RP2, swept resistance RP2, capacitor C2 mono- is terminated
The sliding end of swept resistance RP2, another termination power cathode.The charge and discharge time that swept resistance RP2 is used to adjust capacitor C2 is normal
Number adjusts the charge and discharge time of capacitor C2 by adjusting swept resistance RP2, and then adjusts the circuit delay time.
The resistance value of photo resistance RL increases with intensity of illumination and is reduced, and relay K uses normally-closed contact, when illumination is greater than one
When determining intensity, transistor VT1 and transistor VT2 cut-off, relay K are failure to actuate and close, and 12 circuit of motor conducting, motor 12 is transported
Make to drive wind wheel rotation, reflects natural light bird repellent using reflecting mirror 5, while LED controller 14 obtains low level letter
Number, light emitting diode 7 is closed.When illumination is less than some strength, transistor VT1 and transistor VT2 conducting, relay K movement
And disconnect, motor 12 stops working, while LED controller 14 obtains high level signal, control light emitting diode 7 with
Indefinite frequency scintillation feux rouges and yellow light drive birds using the illumination of light emitting diode 7.The sliding end of swept resistance RP2 is adjusted,
Adjustable threshold illumination intensity value.
The bird repellent method of this power network line bird-scaring unit, includes the following steps：Adjust illumination critical value；Adjust circuit delay
Time；Photo resistance RL detects ambient light and shines, and when ambient light, which is shone, is greater than critical value, light control circuit 13 controls 12 work of motor
Make to drive wind wheel rotation, while light control circuit 13 controls light emitting diode 7 by LED controller 14 and closes；When
When ambient light is shone less than critical value, light control circuit 13, which controls the closing of motor 12, makes wind wheel stop rotating, while light control
Circuit 13 controls the feux rouges and yellow light that light emitting diode 7 issues indefinite frequency by LED controller 14.
Wherein, adjusting illumination critical value is realized by adjusting swept resistance RP1；The adjusting circuit delay time passes through tune
Save what swept resistance RP2 was realized.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (1)
1. a kind of power network line bird-scaring unit bird repellent method, which is characterized in that the bird-scaring unit includes：Fixing seat, the fixation
Bracket is set on seat, and cantilever tip is arranged motor cabinet, motor is installed in motor cabinet, is set with wind wheel on machine shaft；
The wind wheel includes the axle sleeve being sleeved on machine shaft, is arranged radially three support rods, support rod end peace along axle sleeve
Wind bowl is filled, reflecting mirror is set inside wind bowl；
Further include：Light emitting diode, light control circuit, LED controller, power supply；
The light control circuit, for according to light control motor and LED operation state；
The LED controller, for controlling light-emitting diode flash frequency and luminescent color；
The light control circuit is electrically connected with motor, LED controller respectively, the LED controller with
Light emitting diode electrical connection；
The light control circuit includes：Photo resistance RL, swept resistance RP1, transistor VT1, transistor VT2, two pole of pressure stabilizing
Pipe VD, relay K,
The photo resistance RL connects with swept resistance RP1 to be followed by both ends of power；The transistor VT1 collector is connecing power supply just
Pole, base stage connect swept resistance RP1 sliding end, emitter connects transistor VT2 base stage；It is negative that the transistor VT2 emitter connects power supply
Pole, collector connecting relay K coil one end, another termination positive pole of relay K coil；The zener diode VD anode connects
Transistor VT2 collector, cathode connect positive pole；
The collector of the input termination transistor VT2 of the LED controller；
The light control circuit further includes：Capacitor C1, capacitor C2, swept resistance RP2；
Node, another termination power cathode between capacitor C1 mono- end the Jie transistor VT1 and swept resistance RP1；
The swept resistance RP2 connects between transistor VT1 emitter and transistor VT2 base stage,
The capacitor C2 mono- terminates sliding end, another termination power cathode of swept resistance RP2；
LED controller is AVR mega48 single-chip microcontroller；
Further include：Arc polygonal mirror；The arc polygonal mirror is arranged on the axle sleeve of wind wheel；
Further include：Electrical accommodating chamber on bracket is set；Light inlet window is set in the electric appliance accommodating chamber；
Light control circuit and LED controller are arranged in electrical accommodating chamber；
Power supply includes solar panel and battery；The battery is arranged in electrical accommodating chamber；
Axle sleeve, wind bowl, support rod outer surface be coated with antioxidant and ultraviolet screener；
The bird repellent method includes：
Adjust illumination critical value；
Photo resistance detects ambient light and shines, and when ambient light, which is shone, is greater than critical value, the work of light control circuit control motor is driven
Wind wheel rotation, while light control circuit controls light emitting diode by LED controller and closes；
When ambient light, which is shone, is less than critical value, the closing of light control circuit control motor makes wind wheel stop rotating, while illumination control
Circuit processed controls the feux rouges and yellow light that light emitting diode issues indefinite frequency by LED controller；
Further include：Adjust the circuit delay time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299982.8A CN105739347B (en) | 2016-05-09 | 2016-05-09 | A kind of power network line bird-scaring unit and bird repellent method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610299982.8A CN105739347B (en) | 2016-05-09 | 2016-05-09 | A kind of power network line bird-scaring unit and bird repellent method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105739347A CN105739347A (en) | 2016-07-06 |
| CN105739347B true CN105739347B (en) | 2018-11-27 |
Family
ID=56288233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610299982.8A Expired - Fee Related CN105739347B (en) | 2016-05-09 | 2016-05-09 | A kind of power network line bird-scaring unit and bird repellent method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105739347B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463377A (en) * | 2018-12-28 | 2019-03-15 | 中国人民解放军国防科技大学 | Multicolor laser bird repelling device and bird repelling method thereof |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907690B (en) * | 2017-05-05 | 2018-06-29 | 黄伟东 | street lamp protective cover |
| CN107549159B (en) * | 2017-08-30 | 2020-10-13 | 国网山东省电力公司昌邑市供电公司 | Bird repeller for power tower pole |
| CN107711818A (en) * | 2017-10-30 | 2018-02-23 | 国网黑龙江省电力有限公司哈尔滨供电公司 | A kind of electrical energy metering tank birds expel device |
| CN108496955B (en) * | 2018-05-31 | 2023-11-28 | 国网山东省电力公司经济技术研究院 | ADSS optical cable bird repellent device with infrared detection function and installation method |
| CN112790183A (en) * | 2019-11-13 | 2021-05-14 | 国网山东省电力公司滨州供电公司 | Bird-repelling mirror for power line |
| CN111076116A (en) * | 2019-12-19 | 2020-04-28 | 广东省生物资源应用研究所 | Lighting equipment for reducing bird strike and method for reducing bird strike in wind power plant |
| CN111657260A (en) * | 2020-06-01 | 2020-09-15 | 聊城华瑞电气有限公司 | Bird repellent device of power supply iron tower |
| CN113854277B (en) * | 2021-10-27 | 2022-11-25 | 国网河南省电力公司濮阳供电公司 | Spherical reflective bird-repelling device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965999Y (en) * | 2007-06-11 | 2007-10-24 | 宁夏天净元光电力科技有限公司 | Photo-controlled electronic birds driving unit |
| CN203492651U (en) * | 2013-09-30 | 2014-03-26 | 国家电网公司 | Windmill bird repelling device |
| CN103716942A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Light-operated light-fixture system circuit |
| CN204032165U (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Solar wind force bird-scaring unit |
| JP2015096047A (en) * | 2013-11-15 | 2015-05-21 | 遠藤 康之 | Light emitting type apparatus for preventing and exterminating wild animals |
| CN204860776U (en) * | 2015-07-09 | 2015-12-16 | 国网山东惠民县供电公司 | Bird ware is driven to intelligence |
-
2016
- 2016-05-09 CN CN201610299982.8A patent/CN105739347B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965999Y (en) * | 2007-06-11 | 2007-10-24 | 宁夏天净元光电力科技有限公司 | Photo-controlled electronic birds driving unit |
| CN103716942A (en) * | 2012-09-29 | 2014-04-09 | 深圳市海洋王照明工程有限公司 | Light-operated light-fixture system circuit |
| CN203492651U (en) * | 2013-09-30 | 2014-03-26 | 国家电网公司 | Windmill bird repelling device |
| JP2015096047A (en) * | 2013-11-15 | 2015-05-21 | 遠藤 康之 | Light emitting type apparatus for preventing and exterminating wild animals |
| CN204032165U (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Solar wind force bird-scaring unit |
| CN204860776U (en) * | 2015-07-09 | 2015-12-16 | 国网山东惠民县供电公司 | Bird ware is driven to intelligence |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463377A (en) * | 2018-12-28 | 2019-03-15 | 中国人民解放军国防科技大学 | Multicolor laser bird repelling device and bird repelling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105739347A (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105739347B (en) | A kind of power network line bird-scaring unit and bird repellent method | |
| US9860958B2 (en) | Dimming drive circuit of alternating current directly-driven LED module | |
| WO2015127323A1 (en) | System and method for managing the power output of a photovoltaic cell | |
| CN101997477A (en) | PWM pulse regulating circuit for motor of range hood | |
| CN109769321B (en) | LED lamp circuit with delayed light-off function | |
| CN203734532U (en) | Chopper circuit used for LED driver | |
| CN112017910A (en) | Relay drive circuit and power equipment applying same | |
| CN104968119A (en) | LED drive module with detuning compensation, drive circuit and working method | |
| CN202135377U (en) | A control circuit of a drive power supply capable of adjusting an LED light source, and a control module thereof | |
| CN104219825B (en) | driving device of light emitting diode | |
| CN103747596A (en) | LED (light emitting diode) torch light-operated appliance switch | |
| CN201623904U (en) | Current equalizing control circuit of capacitance type light-emitting diodes | |
| CN102984864B (en) | LED lamp driving power supply with lightning protection and automatic temperature control functions | |
| CN103025014B (en) | Light-emitting diode (LED) lamp driving power supply with functions of lightning resistance and automatic temperature control | |
| CN201557309U (en) | Indicator light driving circuit of low-tension small-power incandescent bulb | |
| CN203675403U (en) | LED flashlight light-operated electrical device switch | |
| KR101094726B1 (en) | Circuit for anti-insect device | |
| CN205266762U (en) | Bird repellent device for transmission line | |
| CN111405705A (en) | Dimming L ED controller and output short-circuit protection method | |
| CN212928257U (en) | Fan for chemical industry | |
| CN204733794U (en) | Solar energy insecticidal lamp that can height -adjusting | |
| CN207920932U (en) | A kind of DC fan governor | |
| CN207368418U (en) | A kind of multi-functional bird repellent lightning rod | |
| CN221812370U (en) | Variable frequency pulse generating circuit applied to starting high-power stepping motor | |
| CN203952239U (en) | A kind of New-type bird repeller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181127 Termination date: 20190509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |