CN110186015A - A kind of intelligent lamp rod - Google Patents
A kind of intelligent lamp rod Download PDFInfo
- Publication number
- CN110186015A CN110186015A CN201910482269.0A CN201910482269A CN110186015A CN 110186015 A CN110186015 A CN 110186015A CN 201910482269 A CN201910482269 A CN 201910482269A CN 110186015 A CN110186015 A CN 110186015A
- Authority
- CN
- China
- Prior art keywords
- mobile jib
- detector
- chip microcontroller
- solar panel
- intelligent lamp
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000012806 monitoring device Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims 1
- 239000003570 air Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 239000012080 ambient air Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
-
- 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
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
-
- 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
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
- F21V33/0056—Audio equipment, e.g. music instruments, radios or speakers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of intelligent lamp rods, including mobile jib and the pedestal for being fixed on mobile jib one end, the inside of the pedestal is equipped with battery, the inner bottom of the mobile jib is equipped with single-chip microcontroller, the top middle portion of the mobile jib opens up fluted, the inside of the groove is equipped with angle adjustment device, the outer surface of the angle adjustment device is equipped with solar panel, the side of the solar panel is equipped with loudspeaker, extraneous ambient air quality is monitored in real time by PM2.5 detector, air quality data can be played by loudspeaker timing, it can also feed back in single-chip microcontroller, single-chip microcontroller is sent to the mobile client that citizen use by antenna, convenient for the daily appearance of people, due to using technical solution as above, so that lamp stand is other than carrying conventional illuminator, more there is PM2.5 detector Etc. satisfactions modernization people's life requirement new function, allow to preferably service public construction, preferably facilitate daily life.
Description
Technical field
The present invention relates to technical field, specially a kind of intelligent lamp rod.
Background technique
Nowadays street lamp post is very common on road, but seems and have a single function because the effect of illuminator is only carried,
More expanding functions may be implemented as carrier completely for the wasting of resources, lamp stand, currently have set billboard to be used together, but in view of
Demand of the people to intelligent Application, lamp stand can carry other functions in addition to illumination, billboard completely, for this purpose, proposing one
Kind intelligent lamp rod.
Summary of the invention
The purpose of the present invention is to provide a kind of intelligent lamp rods, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of intelligent lamp rod, including mobile jib and it is fixed on master
The pedestal of bar one end, the inside of the pedestal are equipped with battery, and the inner bottom of the mobile jib is equipped with single-chip microcontroller, the master
The top middle portion of bar opens up fluted, and the inside of the groove is equipped with angle adjustment device, the angle adjustment device it is outer
Portion surface is equipped with solar panel, and the side of the solar panel is equipped with loudspeaker, the solar panel
Top be equipped with PM2.5 detector, antenna, the battery, solar power generation are installed above the PM2.5 detector
The input terminal of plate, the output end of PM2.5 detector and the single-chip microcontroller is electrically connected, and the output end of the single-chip microcontroller is raised with described
The input terminal of sound device and antenna is electrically connected.
Preferred: the mobile jib is inlaid with USB charging jack on the bottom side wall of the pedestal.
It is preferred: monitoring device to be installed, the monitoring device includes round-the-clock between the PM2.5 detector and antenna
The camera of multi-angle.
Preferred: the angle adjustment device includes electric telescopic rod, support plate and sliding slot, and the top of the support plate is logical
The inner tip for crossing articulation piece and the groove is hinged, and the bottom of the electric telescopic rod is interior by articulation piece and the groove
Portion bottom end is hinged, and the piston rod top end of the electric telescopic rod is connect by idler wheel with the internal slide of the sliding slot, the cunning
Slot position is in the bottom internal of the support plate.
Preferred: the top of the mobile jib is equipped with lightning rod.
Compared with prior art, the beneficial effects of the present invention are: the present invention is empty to extraneous environment by PM2.5 detector
Makings amount is monitored in real time, can be played air quality data by loudspeaker timing, can also be fed back in single-chip microcontroller, single
Piece machine is sent to the mobile client that citizen use by antenna, is convenient for the daily appearance of people, due to using technical side as above
Case, so that lamp stand other than carrying conventional illuminator, more has the new of the satisfactions such as PM2.5 detector modernization people's life requirement
Type function allows to preferably service public construction, preferably facilitates daily life.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of angle adjustment device of the present invention;
Fig. 3 is circuit module schematic diagram of the invention.
In figure: 1, pedestal;2, battery;3, mobile jib;4, single-chip microcontroller;5, USB charging jack;6, solar panel;7,
Loudspeaker;8, PM2.5 detector;9, monitoring device;10, antenna;11, angle adjustment device;12, groove;13, articulation piece;14,
Electric telescopic rod;15, support plate;16, sliding slot;17, lightning rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of intelligent lamp rod, including mobile jib 3 and it is fixed on mobile jib
The pedestal 1 of one end, the inside of the pedestal 1 are equipped with battery 2, and the inner bottom of the mobile jib 3 is equipped with model
The single-chip microcontroller 4 of STC89C52, using low-power consumption, high performance eight bit microprocessor STC89C52 of CMOS, it is contemplated that low cost is low
Power consumption, feasibility.512 byte RAM are integrated in the single chip microcomputer, universaling I/O port there are 32, after reset are as follows: P0/P1/P2/P3 is
Quasi-bidirectional interface/weak pull-up, ISP (system programmable)/IAP (programmable in application), is not necessarily to Special programming, without dedicated emulated
Device can directly download user program by serial ports (RXD/P3.0TXD/P3.1), and the several seconds can be completed a piece of.And the single-chip microcontroller
With watchdog function.The single-chip microcontroller totally 3 16 bit timings/counters, i.e. timer T0, T1, T2.4 tunnel of external interrupt, decline
Along interruption or low level trigger circuit, Power Down mode can trigger interrupt mode by external interrupt low level and wake up.It is general
Asynchronous serial port (UART) can also use the multiple UART of timer software realization.The single-chip microcontroller operating temperature range: -40~+85
DEG C, the top middle portion of the mobile jib 3 opens up fluted 12, and the inside of the groove 12 is equipped with angle adjustment device 11, described
The outer surface of angle adjustment device 11 is equipped with solar panel 6, and the side of the solar panel 6 is equipped with loudspeaking
The top of device 7, the solar panel 6 is equipped with PM2.5 detector 8, the model Sharp of PM2.5 detector 8
GP2YlOl0AUOF dust sensor, the top of the PM2.5 detector 8 are equipped with antenna 10, the battery 2, solar energy
The input terminal of power generation plate 6, the output end of PM2.5 detector 8 and the single-chip microcontroller 4 is electrically connected, the output end of the single-chip microcontroller 4
It is electrically connected with the input terminal of the loudspeaker 7 and antenna 10.
Specific: the mobile jib 3 is inlaid with USB charging jack 5 on the bottom side wall of the pedestal 1 and USB is arranged
Charging jack 5 is convenient for charging to mobile device.
It is specific: monitoring device 9 to be installed, the monitoring device 9 includes between the PM2.5 detector 8 and antenna 10
Monitoring device 9 is arranged, convenient for the monitoring of traffic and the acquisition of traffic accident data in the camera of round-the-clock multi-angle.
Specific: the angle adjustment device 11 includes electric telescopic rod 14, support plate 15 and sliding slot 16, the support plate
15 top is hinged by articulation piece 13 and the inner tip of the groove 12, and the bottom of the electric telescopic rod 14 passes through hinged
Part 13 and the inner bottom of the groove 12 are hinged, and the piston rod top end of the electric telescopic rod 14 passes through idler wheel and the sliding slot
16 internal slide connection, the sliding slot 16 are located at the bottom internal of the support plate 15, and setting angle adjustment device 11 is convenient for
The angle of solar panel 6 is adjusted, convenient for acquisition solar energy.
Specific: the top of the mobile jib 3 is equipped with lightning rod 17, and mobile jib 3 is avoided to be caused mobile jib by the attack of thunder and lightning
Electrical part damage inside 3.
Working principle or structural principle, in use, being carried out by 8 pairs of PM2.5 detector extraneous ambient air qualities
Real time monitoring, can periodically play air quality data by loudspeaker 7, can also feed back in STC89C52 single chip 4,
STC89C52 single chip 4 by antenna 10 or 3G 4G communication be sent to the mobile client that citizen use, it is daily convenient for people
Occur, due to using technical solution as above, so that lamp stand more has PM2.5 detector 8 etc. other than carrying conventional illuminator
The new function for meeting modernization people's life requirement allows to preferably service public construction, preferably facilitates people's
Daily life.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of intelligent lamp rod, including mobile jib (3) and it is fixed on the pedestal (1) of mobile jib one end, it is characterised in that: the pedestal
(1) inside is equipped with battery (2), and the inner bottom of the mobile jib (3) is equipped with single-chip microcontroller (4), the top of the mobile jib (3)
End middle part opens up fluted (12), and the inside of the groove (12) is equipped with angle adjustment device (11), the angular adjustment dress
The outer surface for setting (11) is equipped with solar panel (6), and the side of the solar panel (6) is equipped with loudspeaker
(7), the top of the solar panel (6) is equipped with PM2.5 detector (8), and the top of the PM2.5 detector (8) is installed
Have antenna (10), the battery (2), solar panel (6), PM2.5 detector (8) output end and the single-chip microcontroller
(4) input terminal is electrically connected, the input terminal electricity of the output end of the single-chip microcontroller (4) and the loudspeaker (7) and antenna (10)
Property connection.
2. a kind of intelligent lamp rod according to claim 1, it is characterised in that: the mobile jib (3) is close to the pedestal (1)
USB charging jack (5) are inlaid on bottom side wall.
3. a kind of intelligent lamp rod according to claim 1, it is characterised in that: the PM2.5 detector (8) and antenna (10)
Between be equipped with monitoring device (9), the monitoring device (9) includes the camera of round-the-clock multi-angle.
4. a kind of intelligent lamp rod according to claim 1, it is characterised in that: the angle adjustment device (11) includes electronic
The top of telescopic rod (14), support plate (15) and sliding slot (16), the support plate (15) passes through articulation piece (13) and the groove
(12) inner tip is hinged, and the bottom of the electric telescopic rod (14) passes through the inside of articulation piece (13) and the groove (12)
Bottom end is hinged, and the piston rod top end of the electric telescopic rod (14) is connect by idler wheel with the internal slide of the sliding slot (16),
The sliding slot (16) is located at the bottom internal of the support plate (15).
5. a kind of intelligent lamp rod according to claim 1, it is characterised in that: the top of the mobile jib (3) is equipped with lightning-arrest
Needle (17).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910482269.0A CN110186015A (en) | 2019-06-04 | 2019-06-04 | A kind of intelligent lamp rod |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910482269.0A CN110186015A (en) | 2019-06-04 | 2019-06-04 | A kind of intelligent lamp rod |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110186015A true CN110186015A (en) | 2019-08-30 |
Family
ID=67720270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910482269.0A Pending CN110186015A (en) | 2019-06-04 | 2019-06-04 | A kind of intelligent lamp rod |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110186015A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN205504847U (en) * | 2016-04-05 | 2016-08-24 | 北京倍佳伲照明工程有限公司 | Street lighting with control intelligence |
CN205560596U (en) * | 2016-04-22 | 2016-09-07 | 冯玉环 | Intelligent solar street lamp |
CN106609964A (en) * | 2015-10-22 | 2017-05-03 | 西安丁子电子信息科技有限公司 | LED street lamp with air quality detecting and air purifying functions |
CN208397940U (en) * | 2018-06-08 | 2019-01-18 | 黄江英 | Energy-saving and environment-friendly street lamp |
CN209876828U (en) * | 2019-06-04 | 2019-12-31 | 中科中泽电子有限公司 | Intelligent lamp pole |
-
2019
- 2019-06-04 CN CN201910482269.0A patent/CN110186015A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106609964A (en) * | 2015-10-22 | 2017-05-03 | 西安丁子电子信息科技有限公司 | LED street lamp with air quality detecting and air purifying functions |
CN205504847U (en) * | 2016-04-05 | 2016-08-24 | 北京倍佳伲照明工程有限公司 | Street lighting with control intelligence |
CN205560596U (en) * | 2016-04-22 | 2016-09-07 | 冯玉环 | Intelligent solar street lamp |
CN208397940U (en) * | 2018-06-08 | 2019-01-18 | 黄江英 | Energy-saving and environment-friendly street lamp |
CN209876828U (en) * | 2019-06-04 | 2019-12-31 | 中科中泽电子有限公司 | Intelligent lamp pole |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204576270U (en) | A kind of Intelligent robot for sweeping floor | |
CN206442400U (en) | A kind of novel suspended type interconnects network clock | |
CN108638885A (en) | A kind of novel new-energy automobile charging unit | |
CN203482203U (en) | Building type optical network base station | |
CN209876828U (en) | Intelligent lamp pole | |
CN110186015A (en) | A kind of intelligent lamp rod | |
CN202475863U (en) | Intelligent monitoring system based on 3G and electric power carrier wave technology for LED street lamps | |
CN205912019U (en) | Solar photovoltaic monitoring devices that generates electricity | |
CN204598175U (en) | The visual ammeter of a kind of intelligent image | |
CN204256197U (en) | Indoor environment monitoring system | |
CN103116268A (en) | Multifunctional solar clock | |
CN203423832U (en) | Solar energy street lamp system based on one-chip microcomputer control | |
CN206302199U (en) | A kind of portable type solar energy charger | |
CN204511944U (en) | There is the charged fan of electric quantity display function | |
CN103137036A (en) | Control system for solar billboard | |
CN203942296U (en) | Uninterrupted wireless charging system | |
CN202585953U (en) | Wall lightning protection socket | |
CN203150020U (en) | Electronic advertising board | |
CN205141734U (en) | Portable power shell structure | |
CN104503408A (en) | 24-hour intelligent housing system based on ZigBee technology | |
CN105866534A (en) | Multi-user intelligent electric meter | |
CN205305172U (en) | Solar street lamp control system | |
CN204537379U (en) | A kind of intelligent fire monitoring alarm system based on Internet of Things | |
CN208456203U (en) | It is a kind of using wind energy and solar powered telephone booth | |
CN211528923U (en) | Intelligent mechanical pendulum clock |
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 |