CN108050474A - A kind of fire emergency lamp solar charging device - Google Patents
A kind of fire emergency lamp solar charging device Download PDFInfo
- Publication number
- CN108050474A CN108050474A CN201810034019.6A CN201810034019A CN108050474A CN 108050474 A CN108050474 A CN 108050474A CN 201810034019 A CN201810034019 A CN 201810034019A CN 108050474 A CN108050474 A CN 108050474A
- Authority
- CN
- China
- Prior art keywords
- housing
- installing plate
- solar panel
- fire emergency
- accumulator
- 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
- 238000007600 charging Methods 0.000 title claims abstract description 26
- 239000011049 pearl Substances 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation 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
- F21S9/032—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 the solar unit being separate from the lighting unit
-
- 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
- F21V15/00—Protecting lighting devices from damage
- F21V15/01—Housings, e.g. material or assembling of housing parts
-
- 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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
-
- 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
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
-
- 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
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- 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
Abstract
The invention discloses a kind of fire emergency lamp solar charging devices, including housing, the housing is internally provided with explosion-proof layer, accumulator is installed in housing on the inside of the explosion-proof layer, lamp housing is installed at the top of first articulated shaft, the lamp housing is internally provided with solar panel, the central position of the solar panel is equipped with LED major light pearls, the second installing plate is installed on rear side of the housing, the surface of second installing plate is equipped with mounting bracket, the surface of the mounting bracket is fixedly connected by bolt with the first installing plate, the top of the telescopic rod is equipped with the second articulated shaft, solar panel is installed above second articulated shaft.The present invention is by setting housing, explosion-proof layer, the first installing plate, the second installing plate, MPPT chargings transformational structure, solar panel, accumulator, it is of poor quality to solve fire emergency lamp, explosion-proof effect is poor, is easily damaged and charges too cumbersome, the problem of efficiency is low with accumulator.
Description
Technical field
The present invention relates to fire emergency lamp technical fields, are specially a kind of fire emergency lamp solar charging device.
Background technology
Fire-fighting emergency headlamp is the fire emergency lamps that illumination is provided for evacuating personnel, fire-fighting operation, it is usually utilized
External power supply is powered, and automatically switches to battery-powered state, the personnel such as general skyscraper, market, public place of entertainment when power is off
Can all there be configuration emergency light in intensive place, and fire emergency system mainly includes accident emergency illumination, escape hatch mark
And indicator light, it is guiding trapped person evacuation or expansion fire fighting and rescue action when fire occurs after normal illumination dump
And set, the present invention is specially a kind of fire emergency lamp solar charging device.
But there are following deficiencies for existing technology:
1st, most fire emergency lamp poor quality, is easily damaged, once exploding, may just directly result in fire-fighting emergent
Lamp damages;
What the 2nd, most fire emergency lamp utilized is storage battery power supply, is charged a battery relatively complicated, and charge efficiency is very
It is low.
The content of the invention
(One)The technical issues of solution
In view of the deficiencies of the prior art, the present invention provides a kind of fire emergency lamp solar charging device, solves fire-fighting
The problem of emergency light is of poor quality, fragile and power supply is too cumbersome.
(Two)Technical solution
To achieve the above object, the present invention provides following technical solution:A kind of fire emergency lamp solar charging device, including
Housing, the housing are internally provided with explosion-proof layer, and the enclosure interior on the inside of the explosion-proof layer is equipped with accumulator, the housing
Top be installed with fixed block, the top of the fixed block is equipped with the first articulated shaft, the top of first articulated shaft
Lamp housing is installed, the lamp housing is internally provided with solar panel, and the central position of the solar panel is equipped with LED major lights
Pearl, the surface of the housing are provided with nameplate, and the surface of shell of the nameplate one side is equipped with control panel, after the housing
Side is installed with the second installing plate, and the surface of second installing plate is equipped with mounting bracket, and the surface of the mounting bracket passes through
Bolt is fixedly connected with the first installing plate, and first installing plate is fixedly installed in surface of wall, the ground of the wall one side
Top is equipped with telescopic sleeving rod, and the surface of the telescopic sleeving rod is equipped with limit bolt, is equipped with above the telescopic sleeving rod
Telescopic rod, the surface of the telescopic rod are provided with limit hole, and the top of the telescopic rod is equipped with the second articulated shaft, and described second
Solar panel is installed above articulated shaft.
Preferably, the surface of the control panel is provided with acoustic aperture of alarming out, the control plane below the acoustic aperture of alarming out
Plate surface is equipped with indicator light, and the control panel surface below indicator light is equipped with testing button.
Preferably, the output terminal of the accumulator is electrically connected with LED major lights pearl.
Preferably, the input terminal of the accumulator is connected by conducting wire with MPPT charging transformational structures, and the MPPT charges
The input terminal of transformational structure is electrically connected by conducting wire and solar panel.
(Three)Advantageous effect
The present invention provides a kind of fire emergency lamp solar charging devices, possess following advantageous effect:
(1)For the present invention by setting housing, explosion-proof layer, the first installing plate, the second installing plate, existing fire emergency lamp is mostly to mould
Expect material manufacture, second-rate, the housing of fire emergency lamp manufactures for stainless steel material in the present apparatus, and crushing resistance is good, avoids
The factor of artificial damage, and the present apparatus is firmly fixed to by surface of wall by the first installing plate and the second installing plate, away from
There is certain height from the ground, the mankind of normal height can not almost touch, and effectively avoid lacking for violence dismounting damage
Point, and explosion-proof layer is internally provided in housing, avoid generation explosion time that fire emergency lamp is caused effectively to be carried because explosion damages
High practicability of the present apparatus in every field, fire emergency lamp is of poor quality, and explosion-proof effect is poor so as to effectively solving, easily
The problem of damage.
(2)The present invention is by setting MPPT chargings transformational structure, solar panel, accumulator, common fire-fighting emergent
Lamp is all to use storage battery power supply, but needs timely to charge to accumulator once after power supply, for use next time,
The present apparatus is powered accumulator by solar panel, and by MPPT charging transformational structures make solar panel and
It is attached between accumulator, effectively raises the transfer efficiency of solar recharging, and solar panel conversion is extra
Electric energy can function as the use of other electric power energies, and energy conservation and environmental protection charges too so as to effectively solve the accumulator after use
Spend the problem of cumbersome.
Description of the drawings
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is fire emergency lamp structure diagram of the present invention;
Fig. 3 is fire emergency lamp side view of the present invention;
Fig. 4 is mounting structure schematic diagram of the present invention.
In figure:1 accumulator, 2 explosion-proof layers, 3 fixed blocks, 4 first articulated shafts, 5 lamp housings, 6 solar panels, 7LED major lights pearl,
8MPPT chargings transformational structure, 9 conducting wires, 10 limit holes, 11 solar panels, 12 second articulated shafts, 13 telescopic rods, 14 ground,
15 telescopic sleeving rods, 16 limit bolts, 17 walls, 18 housings, 19 nameplates, 20 control panels, 21 first installing plates, 22 bolts, 23
Second installing plate, 24 mounting brackets, 25 are alarmed out acoustic aperture, 26 testing buttons, 27 indicator lights.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
As shown in Figs 1-4, the present invention provides a kind of technical solution:A kind of fire emergency lamp solar charging device, bag
Housing 18 is included, existing fire emergency lamp is mostly that plastic material manufactures, second-rate, 18 body of shell of fire emergency lamp in the present apparatus
It is manufactured for stainless steel material, crushing resistance is good, avoids the factor of artificial damage, and passes through the first installing plate 21 and the second installation
The present apparatus is firmly fixed to 17 surface of wall by plate 23, there is certain height apart from ground, the mankind of normal height almost without
Method touches, and effectively avoids the shortcomings that violence dismounting damages, housing 18 is internally provided with explosion-proof layer 2, avoids occurring quick-fried
Cause fire emergency lamp when fried because explosion damages, effectively raise practicability of the present apparatus in every field, 2 inside of explosion-proof layer
Housing 18 in accumulator 1 is not installed, the input terminal of accumulator 1 is connected by conducting wire 9 with MPPT chargings transformational structure 8,
The input terminal of MPPT chargings transformational structure 8 is electrically connected by conducting wire 9 and solar panel 11, and common fire emergency lamp is all
It is to be powered using accumulator 1, but needs timely to charge to accumulator 1 once after power supply, for use next time, this
Device is powered accumulator 1 by solar panel 11, and makes solar panel by MPPT chargings transformational structure 8
It is attached between 11 and accumulator 1, effectively raises the transfer efficiency of solar recharging, and solar panel 11 is converted
Extra electric energy can function as the use of other electric power energies, energy conservation and environmental protection, the top of housing 18 is installed with fixed block 3,
The top of fixed block 3 is equipped with the first articulated shaft 4, and the top of the first articulated shaft 4 is equipped with lamp housing 5, and lamp housing 5 is internally provided with
Solar panel 6, the central position of solar panel 6 are equipped with LED major lights pearl 7, output terminal and 7 electricity of LED major lights pearl of accumulator 1
Property connection, solar panel 6 and LED major light pearls be used cooperatively, and drastically increases the brightness of illumination, the surface of housing 18 is set
There is nameplate 19,18 surface of housing of 19 one side of nameplate is equipped with control panel 20, and the surface of control panel 20, which is provided with, alarms out
Acoustic aperture 25,20 surface of control panel of 25 lower section of acoustic aperture of alarming out are equipped with indicator light 27, and the control plane of 27 lower section of indicator light
20 surface of plate is equipped with testing button 26, and the rear side of housing 18 is installed with the second installing plate 23, the table of the second installing plate 23
Face is equipped with mounting bracket 24, and the surface of mounting bracket 24 is fixedly connected by bolt 22 with the first installing plate 21, the first installing plate 21
17 surface of wall is fixedly installed in, the method makes installation more firm stable, adds the service life of the present apparatus, wall 17 1
14 top of ground of side is equipped with telescopic sleeving rod 15, and the surface of telescopic sleeving rod 15 is equipped with limit bolt 16, telescopic sleeving rod 15
Top is equipped with telescopic rod 13, and the surface of telescopic rod 13 is provided with limit hole 10, and the top of telescopic rod 13 is equipped with second and is hinged
Axis 12, the top of the second articulated shaft 12 are equipped with solar panel 11, are made by the installation of telescopic rod 13 very telescopic sleeving rod 15
Solar panel 11 can oscilaltion, the second articulated shaft 12 makes solar panel 11 be adjusted by rotation angle, convenient for more preferable
Absorption luminous energy.
In use, the first installing plate 21 is installed on the surface of wall 17, the second installing plate 23 of 18 rear side of housing
21 surface of bass installing plate is fixedly mounted on by bolt 22 and mounting bracket 24, by the first articulated shaft 4 the angle tune of lamp housing 5
It saves, convenient for larger range of illumination, solar panel 11 is mounted on by telescopic rod 13 and telescopic sleeving rod 15 on ground 14
Side, by the installation of telescopic rod 13 very telescopic sleeving rod 15 make solar panel 11 can oscilaltion, 13 top of telescopic rod installation
The second articulated shaft 12 solar panel 11 is made to be adjusted by rotation angle, convenient for preferably absorbing luminous energy, solar panel
It is attached between 11 and accumulator 1 by 8 structure of MPPT chargings transformational structure, effectively raises the efficiency of power supply.
It can to sum up obtain, the present invention is by setting housing 18, explosion-proof layer 2, the first installing plate 21, the second installing plate 23, MPPT
Charging transformational structure 8, solar panel 11, accumulator 1, solve that fire emergency lamp is of poor quality, and explosion-proof effect is poor, easily damage
The problem of charging of bad and accumulator is too cumbersome, and efficiency is low.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of fire emergency lamp solar charging device, including housing(18), it is characterised in that:The housing(18)It is interior
Portion is provided with explosion-proof layer(2), the explosion-proof layer(2)The housing of inside(18)Inside is equipped with accumulator(1), the housing(18)
Top be installed with fixed block(3), the fixed block(3)Top the first articulated shaft is installed(4), described first is hinged
Axis(4)Top lamp housing is installed(5), the lamp housing(5)Be internally provided with solar panel(6), the solar panel(6)Center
LED major light pearls are installed at position(7), the housing(18)Surface be provided with nameplate(19), the nameplate(19)One side
Housing(18)Surface is equipped with control panel(20), the housing(18)Rear side be installed with the second installing plate(23),
Second installing plate(23)Surface mounting bracket is installed(24), the mounting bracket(24)Surface pass through bolt(22)With
One installing plate(21)It is fixedly connected, first installing plate(21)It is fixedly installed in wall(17)Surface, the wall(17)One
The ground of side(14)Top is equipped with telescopic sleeving rod(15), the telescopic sleeving rod(15)Surface limit bolt is installed(16),
The telescopic sleeving rod(15)Top telescopic rod is installed(13), the telescopic rod(13)Surface be provided with limit hole(10),
The telescopic rod(13)Top the second articulated shaft is installed(12), second articulated shaft(12)Top solar energy is installed
Solar panel(11).
2. a kind of fire emergency lamp solar charging device according to claim 1, it is characterised in that:The control plane
Plate(20)Surface be provided with acoustic aperture of alarming out(25), the acoustic aperture of alarming out(25)The control panel of lower section(20)It installs on surface
There is indicator light(27), and indicator light(27)The control panel of lower section(20)Surface is equipped with testing button(26).
3. a kind of fire emergency lamp solar charging device according to claim 1, it is characterised in that:The accumulator
(1)Output terminal and LED major light pearls(7)It is electrically connected.
4. a kind of fire emergency lamp solar charging device according to claim 1, it is characterised in that:The accumulator
(1)Input terminal pass through conducting wire(9)With MPPT charging transformational structures(8)Connection, the MPPT chargings transformational structure(8)Input
End passes through conducting wire(9)With solar panel(11)It is electrically connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810034019.6A CN108050474A (en) | 2018-01-15 | 2018-01-15 | A kind of fire emergency lamp solar charging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810034019.6A CN108050474A (en) | 2018-01-15 | 2018-01-15 | A kind of fire emergency lamp solar charging device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108050474A true CN108050474A (en) | 2018-05-18 |
Family
ID=62126533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810034019.6A Pending CN108050474A (en) | 2018-01-15 | 2018-01-15 | A kind of fire emergency lamp solar charging device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108050474A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108979308A (en) * | 2018-07-17 | 2018-12-11 | 刘仲华 | A kind of safety protection bracket for Hydropower Station Construction |
-
2018
- 2018-01-15 CN CN201810034019.6A patent/CN108050474A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108979308A (en) * | 2018-07-17 | 2018-12-11 | 刘仲华 | A kind of safety protection bracket for Hydropower Station Construction |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206806809U (en) | A kind of portable diesel generation locomotive | |
CN105996354A (en) | Integrated multifunctional photovoltaic solar umbrella | |
CN108050474A (en) | A kind of fire emergency lamp solar charging device | |
CN206725662U (en) | A kind of saltern lightning monitoring device | |
CN207849212U (en) | A kind of fire emergency lamp solar charging device | |
CN106786024A (en) | Generator car access case | |
CN108054559A (en) | A kind of intelligence socket | |
CN205768753U (en) | A kind of city New-energy electric vehicle charging pile | |
CN207459773U (en) | A kind of external Emergency power supply unit | |
CN209046348U (en) | A kind of box-type photovoltaic generation electrical storage device | |
CN206570721U (en) | A kind of outdoor electric warning sign being moved easily | |
CN207597999U (en) | A kind of electric fence | |
CN111313804A (en) | Boat-vehicle type solar energy and commercial power complementary type multifunctional emergency lighting device | |
CN218721295U (en) | Residual current protection device for illuminating lamp | |
CN212002639U (en) | Building engineering safety control rail | |
CN213742649U (en) | Building engineering detects uses rail guard | |
CN214273171U (en) | Portable protection rail of forceful electric power engineering | |
CN213690900U (en) | Emergency rescue alarm device | |
CN214576125U (en) | Support column for power equipment | |
CN215498432U (en) | Waterproof wireless charger | |
CN215636902U (en) | Multifunctional road lighting device | |
CN207364868U (en) | It is a kind of can a key alarm solar LED street lamp | |
CN108591940A (en) | A kind of municipal tunnel lighting device | |
CN208016788U (en) | A kind of novel electric power bird-scaring unit | |
CN211982328U (en) | Electrical equipment protector |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180518 |
|
WD01 | Invention patent application deemed withdrawn after publication |