CN209509348U - A kind of prefabricated cabin door and window awning - Google Patents
A kind of prefabricated cabin door and window awning Download PDFInfo
- Publication number
- CN209509348U CN209509348U CN201821953611.8U CN201821953611U CN209509348U CN 209509348 U CN209509348 U CN 209509348U CN 201821953611 U CN201821953611 U CN 201821953611U CN 209509348 U CN209509348 U CN 209509348U
- Authority
- CN
- China
- Prior art keywords
- awning
- shaft
- storage box
- driving motor
- control
- 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.)
- Active
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/24—Structural elements or technologies for improving thermal insulation
-
- 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
- Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
Abstract
The utility model discloses a kind of prefabricated cabin door and window awning, including awning main body, storage box, power module and induction control unit；Awning main body includes shaft, driving motor and multiple blades；Shaft is parallel to storage box short transverse, is installed in storage box with driving motor, and the output axis connection shaft of driving motor is rotated with drive shaft；Each blade is respectively sector, is successively installed in shaft from top to bottom, is connected between two neighbouring blades, and the rotation of shaft can drive at least one blade to rotate, and then drives other blade rotations, so that awning main body switches between expansion and receiving state.Power module provides working power for induction control unit and driving motor；Induction control unit includes light sensor, angular transducer and control module, and the operation of control module control driving motor is to control shaft rotation, so that awning main body switches between unfolded state and receiving state.The utility model awning convenient transportation, and can automatic accomodation folding.
Description
Technical field
The utility model relates to substation equipment technical field, especially a kind of prefabricated cabin door and window awning.
Background technique
Prefabricated cabin design is the only way of the new energy project booster stations construction of " more, fast, good, province ", is to improve energetically
The important embodiment of Standardization Construction is deepened in integrated innovation, while being also that good corporate image is realized and established to publicity independent brand
Effective way.Promotion and application prefabricated cabin fundamentally solves permanent difficult, the bottlenecks of early development period length of taking over the land for use,
Reduce evaluation link, is conducive to improve engineering construction efficiency, realizes safety grid-connection target as early as possible.
Prefabricated cabin formula booster stations have short construction period, safe and reliable, land occupation face is small, elegant in shape, combination flexibly, life
The advantages that period is long, radiated noise is small, booster stations integral arrangement is compact, compared to traditional civil engineering construction model, occupied area and
Height can reduce 25% or more, and space occupancy rate substantially reduces；Most equipment setting using combined modular in booster stations
Meter theory, each prefabricated cabin realize the factorial production, assembled construction.Compared with traditional substation, live construction work amount
Reduce 60% or more, fitter's work amount also greatly reduces；In the construction process, dust pollution and noise pollution obtain
Effective control.
Prefabricated cabin has many door and windows, and in bad weather conditions, the awning above Men Shangfang and window is necessary.It is conventional
Awning can only the later period to field fabrication, the aesthetics of awning entirety and functional not strong, and to install awning number for post-production
It is tired.If installing awning in advance, in prefabricated cabin transportational process, since road limit for width requires, prefabricated cabin volume is again big, easily
Cause the damage of awning component.
Summary of the invention
The purpose of this utility model is to propose a kind of door and window awning for prefabricated cabin, convenient transportation, and have automatic receipts
Receive folding function.
The technical solution that the utility model is taken are as follows: a kind of prefabricated cabin door and window awning, including awning main body, storage box, electricity
Source module and induction control unit；Awning main body includes shaft, driving motor and multiple blades；
Shaft is parallel to storage box short transverse, is installed in storage box with driving motor, and the output shaft of driving motor connects
Switch through axis to rotate with drive shaft；
Each blade is respectively sector, and central angle one end of multiple sectors is successively installed in shaft from top to bottom, on
Under be connected between adjacent two blades, the rotation of shaft can drive at least one blade to rotate, and then drive other blades: towards rain
Canopy expansion direction turns to, and at least there are two the sides of blade to be located inside the storage box of shaft two sides, and adjacent blades
Side it is overlapped；Or turned to towards the direction that awning is stored, multiple blades coincide with the upper and lower, and multiple blades are located at storage box
Interior side；
Power module provides working power for induction control unit and driving motor；
Incuding control unit includes light sensor, angular transducer and control module, and light sensor is installed on awning
In main body, angular transducer is installed in shaft, and the output end of light sensor and angular transducer is separately connected control module；
The operation of control module control driving motor is to control shaft rotation, so that awning main body is between unfolded state and receiving state
Switching.
The present invention is in application, can be by the fixed top for being such as welded in prefabricated cabin door and window of storage box, in prefabricated cabin transportational process
In, blade is accommodated in storage box, convenient transportation.After prefabricated cabin comes into operation, light sensor is for detecting extraneous light
Intensity, when light intensity is less than preset light intensity parameter in control module, then it is assumed that cloudy or rainy, control module control
Driving motor operation, band movable vane piece turn to awning unfolded state, otherwise control blade and are in receiving state.
Existing microcontroller chip can be used in the control module of the utility model, and existing direct current can be used in driving motor
Machine.Power module uses existing power supply, for battery or can use DC power supply of the AC power source after inversion.
Further, the utility model further includes lighting unit, and lighting unit includes being installed on the outer peripheral illumination of blade
Lamp, power module provide working power for headlamp；Control module is controlled according to the intensity of illumination signal that light sensor acquires
Headlamp is switched on or switched off working power.Headlamp can be used for the instruction of awning expansion or provide certain illumination, headlamp
Light bar can be used.
Further, the induction control unit further includes the man-machine interactive interface with control module connection communication, people
Machine interactive interface is equipped with awning folding control input area, and inputs illumination intensity threshold value, awning expansion light intensity for user
The input area of threshold value and awning storage Intensity threshold.Control module can be set for the folding of awning according to the threshold value of user
Control and Lighting control.User can directly carry out the folding control of awning as needed, ignore adopting for light sensor at this time
Collect data.
Preferably, the power module includes photovoltaic cells, and photovoltaic cells include battery, charge and discharge control module and more
A photovoltaic panel；Each photovoltaic panel is overlapped with a blade respectively, is fixed on blade top；Battery and driving motor and induction control are single
Power output circuit is respectively equipped between member.Photovoltaic cells can absorb solar energy in awning unfolded state, and be converted to electric energy,
Electric energy is provided for the folding of awning, realizes energy conservation and the intelligent power supply of awning.Power module can be exchange direct-furnish power module
With the combination of photovoltaic cells, and then using existing intelligent power supply technology realize photovoltaic storage battery power supply with AC power source power supply
Switching.
Preferably, battery includes cascade multiple secondary battery units, and multiple secondary battery units are along storage box length direction
It is fixed in side by side in storage box.
Further, the utility model control module further includes data communication interface, and control module is connect by data communication
Mouth and external equipment connecting communication.
Preferably, storage box includes top plate and bottom plate, both side plate, backboard and front apron, the top edge of front apron/following
It is rotatablely connected between edge and the side edge of headers/footers, and is equipped with rotating drive mechanism, control module controls rotating drive mechanism
Operation, rotated with controlling lower edge/top edge of front apron towards the direction far from bottom plate/top plate.I.e. when awning needs to open
When, control module controls front apron and opens, then blade can order rotation to awning opening state.The setting of front apron can transport
Awning main body is preferably protected in process or application process.
Preferably, when awning is in unfolded state, multiple blades combine semicircular in shape.The utility model need to only guarantee to be unfolded
The top of prefabricated cabin door and window is without uncovered region when state, since storage box has certain width, when being unfolded
Awning central angle can be 180 degree or so.
Preferably, the rotation of shaft, which drives, is located at the one blade rotation of shaft the top/the lowermost, and then successively drives
The rotation of other blades；Inside the storage box of shaft bottom/the top blade connection blade housing portion side.
Preferably, it when awning is in unfolded state, partly overlaps and offsets between adjacent blades, the central angle of overlapping part is
3゜-5゜.Adjacent blades overlapping part, which offsets, can be further ensured that rain cover performance.
Preferably, the width of storage box is greater than or equal to the maximum width of single blade.The height of storage box can simultaneously
Meet and accommodates all canopy plates.
Beneficial effect
Compared with prior art, the present invention has the following advantages that and improves:
(1) by the foldable structure design of awning main body multiple-blade, awning is contained during transportation
In in storage box, convenient transportation；
(2) extraneous light intensity is incuded using light sensor, to open according to the awning in light intensity control application
It closes, realizes the intelligent control of awning；
(3) by setting photovoltaic cells, and photovoltaic panel is attached to each blade top, realizes that the intelligence of awning supplies
Electricity, while awning main structure is not influenced；
(4) by setting headlamp, according to opening or closing for extraneous light intensity automatic-control illumination lamp, and can pass through
Photovoltaic cells provide electric energy simultaneously for headlamp and awning, realize the intelligent lighting of awning.
Detailed description of the invention
Fig. 1 show power module of the present invention and induction control module principle of work and power schematic block diagram；
Fig. 2 show awning deployed configuration schematic diagram；
Fig. 3 show blade and shaft scheme of installation (non-storage or unfolded state) in awning main body；
Fig. 4 show single blade floor map；
Fig. 5 show the bottom view of Fig. 4；
Fig. 1 is into Fig. 5,1- blade, 2- photovoltaic panel, 3- shaft, 4- front apron, and 5- incudes control unit, 6- storage box, 7-
Battery, 8- driving motor, 9- angular transducer, 10- light sensor, 11- headlamp.
Specific embodiment
It is further described below in conjunction with the drawings and specific embodiments.
In conjunction with shown in Fig. 1 to Fig. 5, the prefabricated cabin door and window awning of the utility model, be securable to prefabricated cabin ontology gate or
Above window, awning includes awning main body, storage box 6, power module and induction control unit；Awning main body includes shaft 3, drives
Dynamic motor 8 and multiple blades 1.
Referring to figs. 2 to Fig. 5, shaft is parallel to storage box short transverse, is installed in storage box with driving motor, driving electricity
The output axis connection shaft of machine is rotated with drive shaft；It can be connected and be driven by bearing between driving motor and shaft.
With reference to Fig. 2 and Fig. 4, each blade 1 is respectively sector, and central angle one end of multiple sectors is successively pacified from top to bottom
Loaded in shaft, it is connected between two neighbouring blades, the rotation of shaft can drive at least one blade to rotate, and then drive
Other blades: turning to towards awning expansion direction, and at least there are two the sides of blade to be located in the storage box of shaft two sides
Portion, and the side of adjacent blades is overlapped；Or turned to towards the direction that awning is stored, multiple blades coincide with the upper and lower, and multiple
Blade is located at side in storage box；
Power module provides working power for induction control unit and driving motor；
Incuding control unit includes that light sensor 10, angular transducer 9 and control module, light sensor are installed on rain
In canopy main body, such as Fig. 2, it is installed on storage box top.Angular transducer is installed in shaft, light sensor and angular transducer
Signal output end be separately connected control module；The operation of control module control driving motor is to control shaft rotation, so that rain
Canopy main body switches between unfolded state and receiving state.
The present invention is in application, can be by the fixed top for being such as welded in prefabricated cabin door and window of storage box, in prefabricated cabin transportational process
In, blade is accommodated in storage box, convenient transportation.After prefabricated cabin comes into operation, light sensor is for detecting extraneous light
Intensity, when light intensity is less than preset light intensity parameter in control module, then it is assumed that cloudy or rainy, control module control
Driving motor operation, band movable vane piece turn to awning unfolded state, otherwise control blade and are in receiving state.Control module can also
The operation button for controlling driving motor operation is separately provided.
Existing microcontroller chip can be used in the control module of the utility model, and existing direct current can be used in driving motor
Machine.Power module uses existing power supply, for battery or can use DC power supply of the AC power source after inversion.
Embodiment
In the present embodiment, with reference to Fig. 1, power module includes photovoltaic cells, and photovoltaic cells include battery, charge and discharge control
Module and multiple photovoltaic panels；Each photovoltaic panel is overlapped with a blade respectively, is fixed on blade top；Battery and driving motor and sense
It answers and is respectively equipped with power output circuit between control unit.Photovoltaic cells can absorb solar energy in awning unfolded state, and turn
It is changed to electric energy, provides electric energy for the folding of awning, realizes energy conservation and the intelligent power supply of awning.Power module can be exchange direct-furnish
The combination of power module and photovoltaic cells, and then photovoltaic storage battery power supply and alternating current are realized using existing intelligent power supply technology
The switching of source power supply.
With reference to Fig. 2, battery 7 includes cascade multiple secondary battery units, and multiple secondary battery units are along storage box length side
To being fixed in side by side in storage box.
The present embodiment further includes lighting unit, and lighting unit includes being installed on the outer peripheral headlamp 11 of blade 1, power supply mould
Block provides working power simultaneously for headlamp.Headlamp can be used for the instruction of awning expansion or provide certain photograph for the place of entering
Bright, light bar can be used in headlamp.
Induction control unit further includes the man-machine interactive interface with control module connection communication, and man-machine interactive interface is equipped with
Awning folding control input area, and input illumination intensity threshold value, awning expansion Intensity threshold and awning for user and store
The input area of Intensity threshold.Control module can be set according to the threshold value of user and the real-time acquisition signal of light sensor
Carry out the folding control of awning and control and the Lighting control of headlamp.User can also directly pass through awning as needed
Folding control input area (such as touch controlled key) carries out the folding control of awning, ignores the acquisition data of light sensor at this time.
Existing touching display screen can be used in man-machine interactive interface, and display interface is in addition to setting awning folding control, Lighting control region, also
It can be used for showing the information (charge and discharge controls such as current awning folding condition, illumination condition, accumulator electric-quantity, photovoltaic panel generated energy
Module can be integrated into same control chip with control module).
With reference to Fig. 2, storage box includes top plate and bottom plate, both side plate, backboard and front apron 4, and the top edge of front apron/under
It is rotatablely connected between edge and the side edge of headers/footers, and is equipped with rotating drive mechanism, control module controls rotate driving machine
The operation of structure is rotated with controlling lower edge/top edge of front apron towards the direction far from bottom plate/top plate.Rotating drive mechanism can
Using the prior art.I.e. when awning needs to open, control module controls front apron and opens, then blade can order rotation to awning
Opening state.The setting of front apron can preferably protect awning main body in transportational process or application process.The width of storage box
Degree is greater than or equal to the maximum width of single blade, while the height of storage box can satisfy and accommodate all canopy plates.
The present embodiment in use, awning expansion mode may is that shaft rotation drive be located at shaft topmost/it is most lower
One blade rotation at end, and then other blades is successively driven to rotate；Blade is connected positioned at shaft bottom/the top blade
Inside the storage box of housing portion side.In shaft rotation process, control module obtains what angular transducer monitored in real time
Rotational angle signal is preset with angle threshold in control module, when shaft turns to corresponding angle threshold, then controls driving electricity
Machine stops working, and blade is made to be maintained at storage or unfolded state.
When awning is in unfolded state, multiple blades combine semicircular in shape, partly overlap and offset between adjacent blades, are overlapped
The central angle at position is 3 ゜ -5 ゜.The utility model need to only guarantee the top of prefabricated cabin door and window when unfolded state without uncovered
Region, since storage box has certain width, awning central angle when being unfolded can be 180 degree or so.Phase
Adjacent blade overlapping part offsets and can be further ensured that rain cover performance.
The utility model clicks the corresponding button of control module in use, after power supply is connected, and awning is selected to open control
System, the outer side baffle of storage box automatically open, and the canopy plate of multi-disc sector composition is rotated with shaft, and 180 degree, one piece of pressure are unfolded outward
One piece of formation is outer to choose awning；It is anti-then, canopy plate can be packed up inwardly into storage box, outside flapper closure.On fan-shaped canopy plate
Photovoltaic panel is installed, to charge the battery by photovoltaic panel power generation, battery drives DC driven electronic, and motor passes through bearing
Shaft is driven to rotate again.Under non-artificial state of a control, control module then carries out awning according to the acquisition signal of light sensor
The control of folding, and the control of illumination.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and deformations can also be made, these change
It also should be regarded as the protection scope of the utility model into deformation.
Claims (9)
1. a kind of prefabricated cabin door and window awning, characterized in that including awning main body, storage box, power module and induction control unit；
Awning main body includes shaft, driving motor and multiple blades；
Shaft is parallel to storage box short transverse, is installed in storage box with driving motor, and the output axis connection of driving motor turns
Axis is rotated with drive shaft；
Each blade is respectively sector, and central angle one end of multiple sectors is successively installed in shaft from top to bottom, up and down phase
It is connected between two adjacent blades, the rotation of shaft can drive at least one blade to rotate, and then drive other blades: towards awning exhibition
Evolution is to turning to, and at least there are two the sides of blade to be located inside the storage box of shaft two sides, and the side of adjacent blades
Portion is overlapped；Or turned to towards the direction that awning is stored, multiple blades coincide with the upper and lower, and multiple blades are located at one in storage box
Side；
Power module provides working power for induction control unit and driving motor；
Incuding control unit includes light sensor, angular transducer and control module, and light sensor is installed on awning main body
On, angular transducer is installed in shaft, and the output end of light sensor and angular transducer is separately connected control module；Control
The operation of module control driving motor is to control shaft rotation, so that awning main body is cut between unfolded state and receiving state
It changes.
2. prefabricated cabin door and window awning according to claim 1, characterized in that further include lighting unit, lighting unit includes
It is installed on the outer peripheral headlamp of blade, power module provides working power for headlamp；Control module is according to light sensor
The intensity of illumination signal control headlamp of acquisition is switched on or switched off working power.
3. prefabricated cabin door and window awning according to claim 2, characterized in that the induction control unit further includes and controls
The man-machine interactive interface of module connection communication, man-machine interactive interface are equipped with awning folding control input area, and for user
Input the input area of illumination intensity threshold value, awning expansion Intensity threshold and awning storage Intensity threshold.
4. prefabricated cabin door and window awning according to claim 1, characterized in that the power module includes photovoltaic cells, light
Lying prostrate unit includes battery, charge and discharge control module and multiple photovoltaic panels；Each photovoltaic panel is overlapped with a blade respectively, is fixed on leaf
Piece top；Power output circuit is respectively equipped between battery and driving motor and induction control unit.
5. prefabricated cabin door and window awning according to claim 4, characterized in that battery includes cascade multiple battery lists
Member, multiple secondary battery units are fixed in side by side in storage box along storage box length direction.
6. prefabricated cabin door and window awning according to claim 1, characterized in that storage box include top plate and bottom plate, both side plate,
Backboard and front apron are rotatablely connected between top edge/lower edge of front apron and the side edge of headers/footers, and are equipped with and are turned
Dynamic driving mechanism, control module control the operation of rotating drive mechanism, to control lower edge/top edge of front apron towards the bottom of far from
The rotation of plate/top plate direction.
7. prefabricated cabin door and window awning according to claim 1, characterized in that when awning is in unfolded state, multiple blades
Combine semicircular in shape.
8. prefabricated cabin door and window awning according to claim 1, characterized in that when awning is in unfolded state, adjacent blades
Between partly overlap and offset, the central angle of overlapping part is 3 ゜ -5 ゜.
9. prefabricated cabin door and window awning according to claim 1, characterized in that the width of storage box is greater than or equal to single leaf
The maximum width of piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953611.8U CN209509348U (en) | 2018-11-26 | 2018-11-26 | A kind of prefabricated cabin door and window awning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821953611.8U CN209509348U (en) | 2018-11-26 | 2018-11-26 | A kind of prefabricated cabin door and window awning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209509348U true CN209509348U (en) | 2019-10-18 |
Family
ID=68190646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821953611.8U Active CN209509348U (en) | 2018-11-26 | 2018-11-26 | A kind of prefabricated cabin door and window awning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209509348U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761589A (en) * | 2019-11-04 | 2020-02-07 | 江苏中实电气科技有限公司 | Rain shed suitable for electrical equipment |
| CN112219628A (en) * | 2020-10-16 | 2021-01-15 | 东营景晨园林有限责任公司 | Fruit tree hail prevention device and using method thereof |
-
2018
- 2018-11-26 CN CN201821953611.8U patent/CN209509348U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761589A (en) * | 2019-11-04 | 2020-02-07 | 江苏中实电气科技有限公司 | Rain shed suitable for electrical equipment |
| CN112219628A (en) * | 2020-10-16 | 2021-01-15 | 东营景晨园林有限责任公司 | Fruit tree hail prevention device and using method thereof |
| CN112219628B (en) * | 2020-10-16 | 2022-05-31 | 东营景晨园林有限责任公司 | Fruit tree hail prevention device and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209509348U (en) | A kind of prefabricated cabin door and window awning | |
| CN205986753U (en) | Domestic photovoltaic power plant that can formula of accomodating | |
| CN106627217A (en) | Solar charging pile turning along with the sun | |
| CN102587811B (en) | Full-automatic rainproof and noise-insulation external window | |
| CN106549449A (en) | The solar recharging stake for following the sun to turn to | |
| CN105317241A (en) | Solar energy sentry box system | |
| CN202441231U (en) | Full-automatic rainproof noise-insulation outer window | |
| CN207146222U (en) | Energy-saving solar street lamp | |
| CN104196404B (en) | The micro-window of a kind of solar energy four | |
| CN204850878U (en) | Automatic window control system that closes of rainy day | |
| CN205474939U (en) | Solar energy road direction mark | |
| CN206130845U (en) | Fill multi -functional shimmer solar street lamp of electric pile formula | |
| CN211176578U (en) | Adjustable solar street lamp | |
| CN205206389U (en) | Solar sentry box | |
| CN211902685U (en) | Rainproof device of street lamp | |
| CN209516316U (en) | A kind of buried hidden type lifting lightning protection with Lightning Warning function | |
| CN211146411U (en) | Solar panel turnover protection device for street lamp | |
| CN106801557B (en) | A kind of movable type ladder top skylight and its door leaf mechanism | |
| CN208460195U (en) | Solar energy signal lamp | |
| CN209025496U (en) | It is a kind of using solar powered traffic light intersection sun-rain-shading canopy | |
| CN208226369U (en) | A kind of electric power box with moisture-proof sun-screening function | |
| CN110397309A (en) | A kind of multifunctional intelligent bus platform based on solar energy | |
| CN220226661U (en) | Combined multifunctional window | |
| CN218209939U (en) | Energy-conserving daylighting ventilation structure of basement | |
| CN208382007U (en) | A kind of novel and multifunctional LED outdoor lights |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |