CN113349194B - Bird repellent device and water surface photovoltaic module thereof - Google Patents
Bird repellent device and water surface photovoltaic module thereof Download PDFInfo
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- CN113349194B CN113349194B CN202110785929.XA CN202110785929A CN113349194B CN 113349194 B CN113349194 B CN 113349194B CN 202110785929 A CN202110785929 A CN 202110785929A CN 113349194 B CN113349194 B CN 113349194B
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- 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
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- 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
- A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
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- Environmental Sciences (AREA)
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Abstract
The invention provides a bird repellent device and a water surface photovoltaic assembly thereof, comprising a photovoltaic plate group formed by transversely and alternately arranging a plurality of photovoltaic plate assemblies, wherein the length direction extension lines of a laser transmitter and a laser receiver in a static state are vertical to the ground, and the laser receiver is provided with laser receiving holes which are in one-to-one correspondence with the laser transmitting holes; the invention discloses a bird-driving device, which comprises a frame clamp, a laser transmitter, a laser receiver, a plurality of bird-driving loudspeakers, a stepping motor, a laser transmitter, a laser beam bundle, a laser receiver, a laser beam bundle, a plurality of bird-driving loudspeakers, a photovoltaic panel marshalling, a plurality of bird-driving loudspeakers, a plurality of laser beam bundles and a plurality of laser beam bundles.
Description
Technical Field
The invention relates to the technical field of bird repeller, in particular to a bird repeller and a water surface photovoltaic assembly thereof.
Background
Along with the rapid decrease of the photovoltaic cost, the photovoltaic power generation realizes low-price internet surfing in most regions of the world, even the photovoltaic cost in partial regions is lower than the coal-fired thermal power generation cost and the natural gas power generation cost, and renewable energy sources such as photovoltaic, wind power and the like are definitely dominant energy sources in the future due to the economic, environment-friendly and renewable characteristics, however, the existing photovoltaic field stations are both ground photovoltaic field stations or water surface photovoltaic field stations and face the invasion of bird droppings;
the bird droppings contain chemical components such as the urates, the ammonium, the phosphoric acid, the oxalic acid and the carbonate, and the like, so that the photovoltaic glass has certain corrosiveness, the ammonium salt easily reacts with metal in a humid environment, the strength of the metal such as an aluminum frame and a steel bracket of the photovoltaic module is damaged, meanwhile, a hot spot effect is easily generated on the surface of the photovoltaic panel, the module is burnt out, the power generation efficiency is influenced, the bird droppings are difficult to clean after being air-dried, the operation and maintenance cost is greatly increased, and the performance of the photovoltaic panel is influenced by frequent brushing;
therefore, the photovoltaic field station in the prior art has various bird-repelling modes, such as a bird-catching net bird-repelling mode, a bionic robot bird-repelling mode, a simulated sound bird-repelling mode, a scarecrow bird-repelling mode, a sound wave bird-repelling mode, a laser bird-repelling mode, a reflective slice bird-repelling mode and the like, and the device has certain effects, but has certain defects, such as: in the prior art, radar detection is usually adopted for bird detection, and the device is required to be started up all-weather through a radar detection mode, so that a large amount of electric quantity is consumed, and the bird repellent device in the prior art is usually independent of the photovoltaic module in an erection mode and performs radiation influence to the periphery by taking an erection site as a circle center, so that the photovoltaic module far away from the erection site has poor bird repellent effect;
the wind-solar complementary self-powered bird repellent device with the application number of CN201920468525.6 in the prior art comprises a machine body, photovoltaic cell panel assemblies and wind power generating units, wherein the photovoltaic cell panel assemblies and the wind power generating units are positioned on the machine body, the photovoltaic cell panel assemblies are distributed obliquely at the top end of the machine body, the wind power generating units are fixed on the side wall of the machine body through supporting upright posts, and the supporting upright posts are hollow structures and are used for accommodating connecting wires; the wind-solar hybrid photovoltaic power generation system is characterized in that a wind-solar hybrid controller and a storage battery pack are arranged in the machine body, a plurality of ultrasonic generators are embedded in the side wall of the machine body, the photovoltaic cell panel assembly and the wind-power generator set are respectively connected with the wind-solar hybrid controller through cables, the wind-solar hybrid controller is connected with the storage battery pack through cables, and the storage battery supplies power for the ultrasonic generators. The wind-solar hybrid self-powered bird repellent device has the advantages that the wind-solar hybrid mode is adopted to supply power for the bird repellent device, the influence of the environment on the bird repellent device is reduced, the wind-power bird repellent device and the ultrasonic bird repellent device are adopted to simultaneously repel birds, the integral bird repellent effect of the device is improved, and the wind-solar hybrid self-powered bird repellent device adopts a bird repellent mode with an erection center radiating outwards, so that the bird repellent effect is influenced by distance;
therefore, the invention aims to design the bird repellent device with low cost and obvious effect and the water surface photovoltaic module thereof.
Disclosure of Invention
The invention aims to provide a bird repellent device and a water surface photovoltaic module thereof, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the bird driving device comprises a photovoltaic plate group formed by transversely and alternately arranging a plurality of photovoltaic plate assemblies, wherein the photovoltaic plate group is obliquely arranged at a certain angle, a laser emitter and a laser receiver are respectively movably arranged at two sides of the top end of the photovoltaic plate group through frame clamps, the length direction extension lines of the laser emitter and the laser receiver in a static state are vertical to the ground, a plurality of laser emitting holes with different heights are formed in the length direction of the laser emitter, and laser receiving holes corresponding to the laser emitting holes one by one are formed in the laser receiver;
the frame clamps on the two sides are fixedly provided with stepping motors, driving shafts of the stepping motors on the two sides are respectively and fixedly connected with the laser transmitter and the laser receiver, and the stepping motors drive the laser transmitter and the laser receiver to synchronously perform left-right reciprocating deflection at an angle alpha;
the utility model discloses a bird repellent device, including laser receiver, bird repellent device, photoelectric shielding switch, a plurality of bird repellent speaker, be provided with photoelectric shielding switch in the laser receiver, photoelectric shielding switch and a plurality of bird repellent speaker electric connection, a plurality of bird repellent speaker sets up on the photovoltaic board marshalling, bird repellent speaker is shielded the condition by the laser receiving hole and is carried out corresponding sound operation, and this bird repellent device's use specifically includes the following step:
step one: the laser transmitters and the laser receivers are respectively arranged above the left end and the right end of the photovoltaic panel marshalling, and the laser transmitting holes and the laser receiving holes are ensured to correspond to each other one by one;
step two: the laser transmitter transmits a laser beam and enters the laser receiver through the laser receiving hole, so that the birds are detected daily;
step three: when one or more of the laser receiving holes cannot receive the laser beam, the birds fall down, and at the moment, the PLC in the laser receiver controls the bird-repellent switch to work and enters a bird-repellent working mode;
step four: the bird-repellent loudspeaker judges the body type of birds according to the position where the laser receiving hole is blocked, so as to further predict the types of birds, and performs bird-repellent by playing an acoustic alarm corresponding to the body type, and meanwhile, the stepping motor drives the laser emitter and the laser receiver to synchronously and reciprocally deflect, so that the movement of a laser beam is realized, and in addition, the laser beam emitted by the laser emitter is changed from a continuous stable state to a stroboscopic state, so that bird-repellent operation is comprehensively performed;
step five: after finishing a bird-repellent process, the stepping motor drives the laser emitter and the laser receiver to return to the initial state, the laser emitter is converted into a bird detection state at the moment, and if the laser beam is shielded, the steps three to four are repeated.
Preferably, the photovoltaic board subassembly includes frame, photovoltaic board and support, photovoltaic board fixed mounting is in the frame, the support is fixed the frame on the spud, bird repellent speaker sets up in the fluting department on frame upper portion.
Preferably, the frame clamps on two sides are fixed by bolts and are arranged on the frame in an abutting mode, and rubber pads are adhered to the upper side and the lower side of the frame clamps, which are in contact with the frame.
Preferably, the laser emission holes are respectively arranged at three heights, namely upper, middle and lower, and each height is provided with two laser emission holes.
Preferably, the angle interval of left and right deflection of the laser transmitter and the laser receiver is 30 degrees or more and 15 degrees or more.
A water surface photovoltaic assembly comprises a bird repelling system of the water surface photovoltaic assembly for repelling birds, and the bird repelling system adopts the bird repelling device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the bird-repellent device, the habit of the bird is analyzed, so that the bird-repellent device is arranged at a position above the photovoltaic panel where the bird stands normally, and compared with the bird-repellent device which is independent of the photovoltaic assembly in the prior art, the bird-repellent device greatly improves bird-repellent effect;
2. according to the intelligent bird repellent device, the situation that the laser wire harness of the laser emitter is shielded is adopted, the body type of birds is analyzed, the category of the birds is estimated according to the body type of the birds, and the bird repellent speaker is controlled to perform targeted sound simulation according to different categories, so that intelligent bird repellent is performed;
3. according to the invention, not only is the bird-driving loudspeaker used for driving the bird in a simulated sound manner, but also the laser emitter and the laser receiver can be used for synchronously swinging, and the bird is driven in a laser stroboscopic manner, so that the bird-driving effect is further improved.
According to the bird-driving simulation device, the bird habit is analyzed, the situation that the laser beam of the laser emitter is shielded is analyzed, the bird body type is analyzed, the bird is driven in a targeted mode, meanwhile, the laser emitter is used as a bird-monitoring device, bird-driving operation can be carried out, and the bird-driving effect is greatly improved.
Drawings
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the laser transmitter and laser receiver of the present invention in combination;
FIG. 3 is a schematic view of the installation structure of the bird repellent speaker of the present invention;
FIG. 4 is a schematic diagram of a laser transmitter and laser receiver deflection structure of the present invention;
fig. 5 is a schematic view of a photovoltaic panel assembly mounting structure of the present invention.
In the figure: the photovoltaic module comprises a photovoltaic panel assembly 1, a photovoltaic panel group 2, a frame clamp 3, a laser transmitter 4, a laser receiver 5, a laser transmitting hole 6, a laser receiving hole 7, a stepping motor 8, a bird-driving loudspeaker 9, a frame 10, a photovoltaic panel 11, a bracket 12, a positioning pile 13, a bolt 14 and a rubber pad 15.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution:
the bird repellent device comprises a plurality of photovoltaic plate groups 2 formed by transversely and alternately arranging photovoltaic plate assemblies 1, wherein the photovoltaic plate groups 2 are obliquely arranged at a certain angle, two sides of the top end of each photovoltaic plate group 2 are respectively and movably provided with a laser transmitter 4 and a laser receiver 5 through frame clamps 3, the length direction extension lines of the laser transmitters 4 and the laser receivers 5 in a static state are vertical to the ground, a plurality of laser transmitting holes 6 with different heights are formed in the length direction of each laser transmitter 4, and laser receiving holes 7 corresponding to the laser transmitting holes 6 one by one are formed in each laser receiver 5;
through field analysis, birds are on a photovoltaic solar panel which is obliquely arranged, the most frequent landing point is positioned at the top of a frame 10 of a photovoltaic panel 11, so that a bird-repellent device is arranged on the upper edge of the frame 10, birds can be effectively repelled, under a static state, a plurality of laser beams emitted by a laser emitter 4 are emitted into a laser receiving hole 7 of a laser receiver 5 through a laser emitting hole 6, no shielding of laser in the emitting process indicates that no birds stay at the upper part, when one or a plurality of laser receiving holes 7 cannot receive laser, the condition that birds stay at the upper part of the photovoltaic panel 11 at the moment is indicated, at the moment, an internal PLC is triggered to work according to a set program, the PLC controls a bird-repellent loudspeaker 9, a stepping motor 8 and the laser emitter 4 to work, and under a bird-repellent mode, the bird-repellent loudspeaker 9 performs sound-like bird-repellent, the stepping motor 8 makes the laser beam emitted by the laser emitter 4 irradiate into eyes of birds to drive birds through reciprocating motion, the laser emitter 4 is converted into a bird driving mode from a detection mode, in this state, the laser beam is converted into a high-stroboscopic laser beam from stable continuous light beam, thereby completing the detection and bird driving integration of birds, multiple experiments show that birds have certain adaptability and memory to the environment, if regular bird driving operation is carried out indiscriminately, the bird driving effect is greatly reduced for a long time, therefore, the trigger bird driving device provided by the invention can effectively solve the problems, meanwhile, the birds generate adaptability after being excited, the surface of the photovoltaic panel assembly 1 does not stay any more, in addition, the invention also provides a plurality of laser emitters 6 with different heights in the perforation length direction of the laser emitter 4 for analyzing the body size of the birds, when the bottom of the laser receiving hole 7 can not receive the laser beam, the bird body type is smaller, if the middle upper part of the laser receiving hole 7 can not receive the laser beam, the bird body type is larger, therefore, the mode is used for carrying out targeted bird expelling operation, experiments show that different birds are different in sensitivity degree to different sounds, the sparrow and other birds with smaller body types are more sensitive to the tragic sounds sent by felines and peers, and the turtledove, pigeon and other medium-sized animals are more sensitive to the raging birds sounds, and the targeted bird expelling operation is carried out by utilizing different simulated sounds.
The frame clamps 3 on two sides are fixedly provided with stepping motors 8, driving shafts of the stepping motors 8 on two sides are respectively and fixedly connected with the laser transmitters 4 and the laser receivers 5, and the stepping motors 8 drive the laser transmitters 4 and the laser receivers 5 to synchronously perform left-right reciprocating deflection at an angle alpha;
the stepper motor 8 drives the laser transmitter 4 and the laser receiver 5 to synchronously deflect left and right in a reciprocating manner, so that birds in a moving state are detected from birds in a static state, the static wire harness does not threaten the birds, the birds can be effectively repelled in a stroboscopic manner through laser movement, after the laser receiver 5 is shielded, a bird-repellent switch in the laser receiver 5 is triggered, the stepper motor 8 can reciprocate according to a set time, the working time length can be set to be unequal to 5s-10s, the stepper motor 8 stops after finishing the work for the set time, the laser transmitter 4 and the laser receiver 5 return to a detection state at the moment, and the bird-repellent operation is continued after the laser receiver 5 is shielded again.
Be provided with the photoelectricity in the laser receiver 5 and shelter from the switch, photoelectricity shelter from switch and a plurality of bird speaker 9 electric connection, a plurality of bird speaker 9 sets up on photovoltaic board marshalling 2, and bird speaker 9 is shielded by the condition according to laser receiving hole 7 and is carried out the sound operation that corresponds, through setting up bird speaker 9 on photovoltaic board marshalling 2 to the bird repellent effect has been guaranteed.
As a preferred aspect, the photovoltaic panel assembly 1 includes a frame 10, a photovoltaic panel 11 and a bracket 12, the photovoltaic panel 11 is fixedly installed in the frame 10, the bracket 12 fixes the frame 10 on a positioning pile 13, and the bird repellent speaker 9 is disposed at a slot on the upper portion of the frame 10.
As a preferred option, the frame clamps 3 on both sides are fixed and supported by the bolts 14 to be installed on the frame 10, rubber pads 15 are adhered to the upper and lower sides of the frame clamps 3 contacting with the frame 10, and the frame clamps 3 are prevented from damaging the frame 10 in the installation process by the arrangement of the rubber pads 15.
As one preferable mode, the laser emitting holes 6 are respectively arranged at three heights, namely, upper, middle and lower, each height is provided with two laser emitting holes 6, and through the arrangement of the upper, middle and lower heights, each height is provided with two laser emitting holes 6, so that the bird body type can be effectively predicted.
As a preferable mode, the angle interval of the left and right deflection of the laser transmitter 4 and the laser receiver 5 is 30 degrees or more and 15 degrees or more.
A water surface photovoltaic assembly comprises a bird repelling system of the water surface photovoltaic assembly for repelling birds, and the bird repelling system adopts the bird repelling device.
The using method comprises the following steps:
step one: the laser transmitters 4 and the laser receivers 5 are respectively arranged at the upper positions of the left end and the right end of the photovoltaic panel group 2, and the laser transmitting holes 6 and the laser receiving holes 7 are ensured to correspond to each other one by one;
step two: the laser transmitter 4 transmits a laser beam and enters the laser receiver 5 through the laser receiving hole 7, so that the birds are detected daily;
step three: when one or more of the laser receiving holes 7 cannot receive the laser beam, the birds fall down, and at the moment, the PLC in the laser receiver 5 controls the bird-repellent switch to work and enters a bird-repellent working mode;
step four: the bird-repellent speaker 9 judges the bird body type according to the position where the laser receiving hole 7 is blocked, so as to further predict the bird type, and performs bird-repellent by playing an acoustic alarm corresponding to the bird body type, and meanwhile, the stepping motor 8 drives the laser emitter 4 and the laser receiver 5 to synchronously and reciprocally deflect, so that the movement of the laser beam is realized, and in addition, the laser beam emitted by the laser emitter 4 is changed from a continuous stable state to a stroboscopic state, so that the bird-repellent operation is comprehensively performed;
step five: after completing a bird repelling process, the stepping motor 8 drives the laser transmitter 4 and the laser receiver 5 to return to the initial state, at this time, the laser transmitter 4 is converted into a bird detecting state, and if the laser beam is shielded, the steps three to four are repeated.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a bird repellent device, includes photovoltaic board group (2) that a plurality of photovoltaic board subassemblies (1) transversely interval arrangement formed, its characterized in that: the photovoltaic plate grouping (2) is obliquely arranged at a certain angle, a laser emitter (4) and a laser receiver (5) are respectively movably arranged on two sides of the top end of the photovoltaic plate grouping (2) through frame clamps (3), the length direction extension lines of the laser emitter (4) and the laser receiver (5) in a static state are vertical to the ground, a plurality of laser emitting holes (6) with different heights are formed in the length direction of the laser emitter (4), and laser receiving holes (7) corresponding to the laser emitting holes (6) one by one are formed in the laser receiver (5);
the frame clamps (3) on two sides are fixedly provided with stepping motors (8), driving shafts of the stepping motors (8) on two sides are respectively and fixedly connected with the laser transmitter (4) and the laser receiver (5), and the stepping motors (8) drive the laser transmitter (4) and the laser receiver (5) to synchronously perform left-right reciprocating deflection at an angle alpha;
be provided with photoelectricity in laser receiver (5) and shelter from switch, photoelectricity shelter from switch and a plurality of bird speaker (9) electric connection, a plurality of bird speaker (9) are driven and are set up on photovoltaic board marshalling (2), bird speaker (9) are driven according to laser receiving hole (7) and are sheltered from the condition and carry out the corresponding sound operation of simulating, and this bird repellent's use specifically includes following step:
step one: the laser transmitters (4) and the laser receivers (5) are respectively arranged above the left end and the right end of the photovoltaic panel group (2), and the laser transmitting holes (6) and the laser receiving holes (7) are ensured to correspond one by one;
step two: the laser transmitter (4) transmits a laser beam and enters the laser receiver (5) through the laser receiving hole (7), so that the birds are detected daily;
step three: when one or more of the laser receiving holes (7) cannot receive the laser beam, the birds fall down, and at the moment, the PLC in the laser receiver (5) controls the bird-repellent switch to work and enters a bird-repellent working mode;
step four: the bird-repellent loudspeaker (9) judges the body type of birds according to the position where the laser receiving hole (7) is blocked, so as to predict the types of birds, and performs bird-repellent by playing an acoustic alarm corresponding to the body type, meanwhile, the stepping motor (8) drives the laser emitter (4) and the laser receiver (5) to synchronously and reciprocally deflect, so that the movement of a laser beam is realized, and in addition, the laser beam emitted by the laser emitter (4) is changed from a continuous stable state to a stroboscopic state, so that bird-repellent operation is comprehensively performed;
step five: after finishing a bird-repellent process, the stepping motor (8) drives the laser transmitter (4) and the laser receiver (5) to return to the initial state, at the moment, the laser transmitter (4) is converted into a bird detection state, and if the laser beam is shielded, the steps three to fourth are repeated.
2. A bird repellent device according to claim 1, wherein: the photovoltaic panel assembly (1) comprises a frame (10), a photovoltaic panel (11) and a support (12), wherein the photovoltaic panel (11) is fixedly installed in the frame (10), the support (12) is used for fixing the frame (10) on a positioning pile (13), and the bird repellent loudspeaker (9) is arranged at a groove on the upper portion of the frame (10).
3. A bird repellent device according to claim 2, wherein: the frame clamps (3) on two sides are fixedly propped against and mounted on the frame (10) through bolts (14), and rubber pads (15) are adhered to the upper side and the lower side of the frame clamps (3) which are contacted with the frame (10).
4. A bird repellent device according to claim 1, wherein: the laser emission holes (6) are respectively arranged at three heights, namely an upper height, a middle height and a lower height, and each height is provided with two laser emission holes (6).
5. A bird repellent device according to claim 1, wherein: the angle interval of left and right deflection of the laser transmitter (4) and the laser receiver (5) is more than or equal to 30 degrees and more than or equal to 15 degrees.
6. The utility model provides a surface of water photovoltaic module, includes that is used for driving the aquatic photovoltaic module bird repellent system of bird, its characterized in that: the bird repellent system employs the bird repellent device according to any one of claims 1 to 5.
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| CN202110785929.XA CN113349194B (en) | 2021-07-12 | 2021-07-12 | Bird repellent device and water surface photovoltaic module thereof |
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| KR20100036417A (en) * | 2008-09-30 | 2010-04-08 | 옥은호 | Laser mosquito killing apparatus |
| CN201875398U (en) * | 2010-12-13 | 2011-06-22 | 顾宏久 | Positioning clamp that can be fixed on inclined surface of plastic rim of liquid crystal display |
| CN202354274U (en) * | 2011-10-26 | 2012-08-01 | 北京友泰顺城科技发展有限公司 | Laser bird scaring device |
| CN204682289U (en) * | 2015-05-28 | 2015-10-07 | 武汉凯瑞斯科技有限公司 | A kind of laser mosquito killer |
| CN104872097B (en) * | 2015-06-12 | 2017-05-31 | 洛阳理工学院 | A kind of laser mosquito eradication fly instrument |
| JP2017216955A (en) * | 2016-06-08 | 2017-12-14 | 株式会社東芝 | Bird repellent system and bird repellent method |
| CN209893071U (en) * | 2019-04-25 | 2020-01-03 | 江苏汉和唐智能科技有限公司 | Desktop clamping device and display support comprising same |
| KR102318585B1 (en) * | 2019-10-10 | 2021-10-27 | 연세대학교 원주산학협력단 | Apparatus and method for driving away of harmful animals |
| CN212056659U (en) * | 2020-04-30 | 2020-12-01 | 梁福桃 | Goods warehouse watch-dog fixed establishment for industry internet |
| CN215075011U (en) * | 2021-07-12 | 2021-12-10 | 中广核新能源(宣城)有限公司 | Bird repellent device and surface of water photovoltaic module thereof |
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