CN209145120U - A kind of green building unit roof structure - Google Patents
A kind of green building unit roof structure Download PDFInfo
- Publication number
- CN209145120U CN209145120U CN201821877538.0U CN201821877538U CN209145120U CN 209145120 U CN209145120 U CN 209145120U CN 201821877538 U CN201821877538 U CN 201821877538U CN 209145120 U CN209145120 U CN 209145120U
- Authority
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- China
- Prior art keywords
- water
- top plate
- inlet pipe
- level sensor
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 169
- 239000010902 straw Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- Y02A30/254—Roof garden systems; Roof coverings with high solar reflectance
-
- 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
- Y02B80/32—Roof garden systems
Landscapes
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
Abstract
The utility model relates to building engineering fields, disclose a kind of green building unit roof structure, it is successively arranged backstop from top to bottom, upper water chamber, top plate and side walls, the centre of backstop is equipped with battery room, battery room is equipped with solar panels, support column, first water level sensor, 4th water level sensor and control panel, side walls are externally provided with sink and window, top plate has water tank, suction pump and third water inlet pipe are equipped at the top of water tank, suction pump is equipped with outlet pipe and the first water inlet pipe, the other end of third water inlet pipe and outlet pipe both passes through top plate and is passed through in upper water chamber, the second water level sensor is equipped in the top of water tank, the bottom of water tank is equipped with third water level sensor, drainpipe and the second water inlet pipe, third water inlet pipe, solenoid valve is equipped on drainpipe and the second water inlet pipe.Green energy conservation and environmental protection while the utility model heat insulation and heat control, while reducing the load-bearing burden and building cost of unit building.
Description
Technical field
The utility model relates to building engineering fields, and in particular to a kind of green building unit roof structure.
Background technique
With the high speed development of Urbanization in China and sharply increasing for construction area, building energy consumption will be huger.
According to statistics, building energy consumption ratio shared in China's total energy consumption is very big, and about 25%~40%.Compared with World Developed Countries
There are also sizable gaps.In tier building building enclosure, although roof occupied area is smaller, its energy consumption still accounts for total energy
The 8%~10% of consumption.According to measuring and calculating, house is every to reduce by 1 DEG C, and air-conditioning reduces energy consumption 10%, and the comfort of human body can greatly improve,
Winter is also such, it is seen that reinforces the energy-efficient energy-saving benefit of thermal insulation of roof clearly.
Though existing part building unit roof structure has the function of preferable heat preservation energy-saving, most table structure is multiple
Miscellaneous, construction process is cumbersome, and brings very big load-bearing to bear to whole building unit.
Utility model content
Based on problem above, the utility model provides a kind of green building unit cool in summer and warm in winter, light-weight, energy-saving and environment-friendly
Roof structure.
In order to solve the above technical problems, the utility model provides following technical scheme:
A kind of green building unit roof structure, including roof are successively arranged backstop, upper water on the roof from top to bottom
Room and top plate, the top plate are surrounded by the side walls being connected with roof, and the centre of the backstop is equipped with the storage across upper water chamber
Battery chamber, the battery room lateral wall are equipped with the first water level sensor, the 4th water level sensor and control panel, and described the
One water level sensor and the 4th water level sensor are respectively positioned in upper water chamber, and the 4th water level sensor is apart from top plate and battery
The height of room contact position is higher than height of first water level sensor apart from top plate and battery room contact position, the side walls peripheral hardware
There are sink and window, the top plate has water tank, is equipped with suction pump and third water inlet pipe, the pumping at the top of the water tank
Water pump is equipped with outlet pipe and the first water inlet pipe, and the upper end of the third water inlet pipe and outlet pipe both passes through top plate and is passed through upper water chamber
Interior, first water inlet pipe leads to inside water tank, and the inside top of the water tank is equipped with the second water level sensor, the storage
The bottom of water tank is equipped with drainpipe and the second water inlet pipe, is equipped with electricity on the third water inlet pipe, drainpipe and the second water inlet pipe
Magnet valve, is equipped with third water level sensor the upper surface of at the water tank internal drainage pipe, the backstop is located at battery room and sink
Top between.
Further, bracket is equipped on the inside of the side walls of the window, the bracket is equipped with blast cap, the side of the window
Outer wall is equipped with baffle, and the baffle is equipped with telescopic rod, and the telescopic rod is equipped with motor, and the motor is set to side walls
Inner surface, gap is equipped between the baffle and sink, the length and width of the baffle is all larger than the length and width of window.
Further, support column is equipped at the top of the battery room, the support column is equipped with solar panels.
Further, the inner surface of the side walls inner surface and top plate is equipped with one layer of compressed straw slab.
Further, the top plate is the arc shape to room top side recesses.
Further, the connecting portion of the third water inlet pipe and top plate is located at the high order end of top plate, first water level
The height of sensor is lower than the connecting portion of third water inlet pipe and top plate.
Further, the sink is connected to upper water chamber, and the height on the sink top is higher than the height on side walls top.
Further, the sink, side walls and top plate are made by organic glass.
Further, the sink outer surface is equipped with one layer of reflective surface, and the reflective surface is made by polyvinyl chloride membrane material
It forms.
Compared with prior art, the utility model has the beneficial effects that the utility model is using solar energy to roof structure
In power supply for electrical equipment, it is environmentally protective, at the same roof be arranged one layer of water barrier, rain is both not only utilized in rainy summer
Water, and play the role of heat insulation and heat control；Accelerate roof atmosphere exchange rate furthermore with the design feature of blast cap itself, utilizes
Compressed straw slab insulation not only mitigates the load-bearing burden of unit building, and reduces building cost, is conducive to ecological energy-saving, has good
Good social and economic benefit；Water chamber is made using organic glass, that is, achievees the purpose that not easy to leak, and can reduce entire roof
The weight of structure, reduces the load-bearing burden of unit building, while also having good impact resistance, and maintenance cost is low, reduces dimension
Accomplish this；Reflective surface is set in roof outer surface, can be reduced air conditioning energy consumption, also there is energy-saving and environment-friendly benefit.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the left view figure structure schematic representation of the utility model；
Fig. 3 is the enlarged structure schematic diagram at the position A in Fig. 1；
Wherein: 1, sink；2, drainpipe；3, solenoid valve；4, baffle；5, third water inlet pipe；6, outlet pipe；7, telescopic rod；
8, top plate；9, backstop；10, upper water chamber；11, solar panels；12, support column；13, side walls；14, motor；15, water tank；16,
First water inlet pipe；17, reflective surface；18, battery room；19, control panel；20, the second water inlet pipe；21, suction pump；22, blast cap；
23, bracket；24, window.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment:
Referring to Fig. 1 to Fig. 3, a kind of green building unit roof structure, including roof is successively arranged from top to bottom on roof
Backstop 9, upper water chamber 10 and top plate 8, top plate 8 are the arc shape to room top side recesses, which is conducive to 10 water storage of upper water chamber, top
Plate 8 is surrounded by the side walls 13 being connected with roof, and the centre of backstop 9 is equipped with the battery room 18 across upper water chamber 10, electric power storage
Pond room 18 is set under the upper plate 8 on roof by pillar, and support column 12 is equipped at the top of battery room 18, and support column 12 is equipped with
Solar panels 11,18 lateral wall of battery room are equipped with the first water level sensor, the 4th water level sensor and control panel 19, the
One water level sensor and the 4th water level sensor are respectively positioned in upper water chamber 10, and the 4th water level sensor is apart from top plate and battery room
The height of contact position is higher than height of first water level sensor apart from top plate and battery room contact position, and side walls 13 are externally provided with water
Slot 1 and window 24,1 outer surface of sink are coated with one layer of reflective surface 17, and reflective surface 17 is made by polyvinyl chloride membrane material, sink
1 is connected to upper water chamber 10, and the height on 1 top of sink is higher than the height on 13 top of side walls, sets on the inside of the side walls 13 of window 24
There is bracket 23, bracket 23 is equipped with blast cap 22, and baffle 4 is equipped on the outside of the side walls 13 of window 24, and the outer edge of baffle 4 is equipped with one
Rubber ring is enclosed, baffle 4 is equipped with telescopic rod 7, and telescopic rod 7 is equipped with motor 14, and motor 14 is telescope motor, and motor 14 is set to side
The inner surface of wall 13 is equipped with gap, the length of baffle 4 and the wide length for being all larger than window 24 and width between baffle 4 and sink 1.
Top plate 8 has water tank 15, and suction pump 21 and third water inlet pipe 5, third water inlet are equipped at the top of water tank (15)
The connecting portion of pipe 5 and top plate 8 is located at the high order end of top plate 8, and the height of the first water level sensor is lower than third water inlet pipe 5 and top
The connecting portion of plate 8, is respectively equipped with outlet pipe 6 and the first water inlet pipe 16 on the water outlet and water inlet of suction pump 21, third into
The upper end of water pipe 5 and outlet pipe 6 both passes through top plate 8 and is passed through in upper water chamber 10, and the first water inlet pipe 16 leads to inside water tank 15, storage
The inside top of water tank 15 is equipped with the second water level sensor, and the bottom of water tank 15 is equipped with drainpipe 2 and the second water inlet pipe 20, the
It is equipped with solenoid valve 3 on three water inlet pipes 5, drainpipe 2 and the second water inlet pipe 20, is equipped with the upper surface of at 15 internal drainage pipe 2 of water tank
The inner surface of third water level sensor, side walls inner surface and top plate is equipped with one layer of compressed straw slab, sink, side walls and top plate
It is made by organic glass, backstop 9 is located between battery room 18 and the top of sink 1.
Backstop 9 is connect by the connection type of clamping with battery room 18 and 1 top of sink, and side walls 13 and top plate 8 are logical
It crosses and connection is welded and fixed, top plate 8 is fixedly connected by welding with battery room 18, and baffle 4 is connect by hinge with side walls 13,
Telescopic rod 7 is fixedly connected by welding with baffle 4, and rubber ring is fixedly connected by bonding with top plate 8, and motor 14 is solid by welding
Surely it is set in side walls 13, the left side of bracket 23 is fixedly connected by welding with side walls 13, and right side passes through welding and blast cap 22
It being fixedly connected, 1 outer wall of sink is fixedly connected by welding with side walls 13, and battery room 18 stands on the roof by pillar, the
Three water inlet pipes 5 and outlet pipe 6 are linked by welding with 8 fixing seal of top plate, and compressed straw slab 11 passes through bonding and top plate 8 and side wall
Wall 13 is fixedly connected.
In the present embodiment, solar panels 11 can convert solar energy into the battery that electric energy is stored in battery room 18
It is interior, so as to give the first water level sensor, the second water level sensor, third water level sensor, the 4th water level sensor, suction pump
21, solenoid valve 3, motor 14 and control panel 19 etc. are powered, these electric appliances pass through electric wire and are connected respectively to battery, due to this
In a little electrical equipments it is most of can't frequent power consumption, so the electricity that solar energy generates can satisfy the roof completely need electricity
Amount.
Bracket 23 is equipped on the inside of the side walls 13 of window 24, bracket 23 is equipped with blast cap 22, outside the side walls 13 of window 24
Side is equipped with baffle 4, and baffle 4 is equipped with telescopic rod 7, and telescopic rod 7 passes through side walls 13 and connect with motor 14, and motor 14 is set to side wall
The inner surface of wall 13 is equipped with gap 30 between baffle 4 and sink 1, can be flexible by the control control of motor 14 when summer
Bar 7 pushes baffle 4 open outward, blast cap 22 can accelerate the air in roof to flow, length and the wide window 24 that is all larger than due to baffle 4
It is long and wide, even rainwater will not float top of entering house, and 4 outer edge of baffle is equipped with one and encloses rubber so rainy day opens baffle 4
Circle, when closing baffle 4, rubber ring can be bonded with 13 outer surface of side walls to form sealing waterproof state, rain when preventing from raining
Gap of the water between baffle 4 and side walls 13 flows into roof.
The inner surface of 13 inner surface of side walls and top plate 8 is equipped with one layer of compressed straw slab 11, and compressed straw slab is with the natural of cleaning
Straw or wheat straw are primary raw material, and heated extrusion molding made of appearance pastes facial tissue, has high-strength light, insulation
The characteristics of, the house built with it is cool in summer and warm in winter；In addition, compressed straw slab is light-weight and has good anti-seismic performance, compressed straw slab is former
Material is abundant, cheap, can reduce building cost, also help ecological energy-saving, has good social and economic benefit.
Top plate 8 is the arc shape to room top side recesses, and the connecting portion of third water inlet pipe 5 and top plate 8 is located at the height of top plate 8
Position end, the height of the first water level sensor are lower than the connecting portion of third water inlet pipe 5 and top plate 8, and sink 1 and upper water chamber 10 connect
Logical, the height on 1 top of sink is higher than the height on 13 top of side walls, in this way can the water in anti-water stopping trough 1 do not had side walls 13
Shi Buhui is overflowed from the edge of sink 1 Yu the contact position of backstop 9, guarantees that extra water flows into upper water chamber 10, water tank 15 can
For storing rainwater, when rainfall is more, when the height of water level in upper water chamber 10 is raised at the 4th water level sensor, control panel 19
The solenoid valve 3 on third water inlet pipe 5 can be opened, water will flow into water tank 15 from third water inlet pipe 5, when in water tank 15
When water level reaches top, second water level sensor at top can transmit a signal to control panel 19, and control panel 19 can be opened
Solenoid valve 3 on drainpipe 2, since drainpipe 2 is connected to the drainage pipeline in unit building building, so can be by extra rain
Water is discharged into sewer, if the height of water level in upper water layer 26 is lower than the first water level sensor, control panel 19 can close the
Then solenoid valve 3 on three water inlet pipes 5 opens suction pump 21, draws water from water tank 15 to upper water chamber 10, when water level reaches the 4th
When position where water level sensor, control panel closes the solenoid valve and suction pump 21 on third water inlet pipe 5, if water tank
When water level in 15 is lower than height where third water level sensor, control panel 19 can open the electromagnetism on the second water inlet pipe 20
Valve 3, since the second water inlet pipe 20 is connected to urbanite water consumption pipeline, so water simultaneously can enter water tank 15 after opens solenoid valve 3
It is interior, when height where water level reaches the second water level sensor, Self-shut electromagnetic valve 3, stop from the second water inlet pipe 20 into
The control function of water, above-mentioned control panel 19 belongs to common knowledge field, has been widely used in petroleum transportation, detection at present
And the fields such as transport of water.
Sink 1, side walls 13 and top plate 8 are made by black acrylic, since organic glass has surface
Smooth, the advantages of color is various, and specific gravity is small, intensity is larger, corrosion-resistant, moisture-proof, sun-proof and good insulation preformance, so can reduce whole
The weight of a roof structure, reduces the load-bearing burden of unit building, while also having good impact resistance, and maintenance cost is low,
Reduce maintenance cost；1 outer surface of sink is equipped with one layer of reflective surface 17, and reflective surface 17 is made by polyvinyl chloride membrane material, according to
Studies have shown that can be reduced at least 50% air conditioning energy consumption using reflective roofing made of polyvinyl chloride membrane material；In summer high temperature
Time then can be reduced 10%~15% energy consumption, have energy-saving and environment-friendly benefit.
At least guarantee there is water in upper water chamber 10 in the present embodiment.
It as above is the embodiments of the present invention.Design parameter in above-described embodiment and embodiment is merely to clear
Utility model verification process is stated by Chu, not to limit the scope of patent protection of the utility model, the patent of the utility model
Protection scope is still subject to the claims, equivalent made by all specifications and accompanying drawing content with the utility model
Structure change similarly should be included in the protection scope of the utility model.
Claims (9)
1. a kind of green building unit roof structure, including roof, which is characterized in that be successively arranged from top to bottom on the roof
Backstop (9), upper water chamber (10) and top plate (8), the top plate (8) are surrounded by the side walls (13) being connected with roof, the gear
The centre of net (9) is equipped with the battery room (18) across upper water chamber (10), and battery room (18) lateral wall is equipped with first
Water level sensor, the 4th water level sensor and control panel (19), first water level sensor and the 4th water level sensor are equal
In upper water chamber (10), height of the 4th water level sensor apart from top plate Yu battery room contact position is higher than the first water level
The height of sensor distance top plate and battery room contact position, the side walls (13) are externally provided with sink (1) and window (24), institute
It states top plate (8) to have water tank (15), suction pump (21) and third water inlet pipe (5), institute is equipped at the top of the water tank (15)
Suction pump (21) are stated equipped with outlet pipe (6) and the first water inlet pipe (16), the third water inlet pipe (5) and outlet pipe (6) it is upper
End both passes through top plate (8) and is passed through in upper water chamber (10), and first water inlet pipe (16) leads to water tank (15) inside, the water storage
The inside top of case (15) is equipped with the second water level sensor, the bottom of the water tank (15) be equipped with drainpipe (2) and second into
Water pipe (20) is equipped with solenoid valve (3), the storage on the third water inlet pipe (5), drainpipe (2) and the second water inlet pipe (20)
Third water level sensor is equipped with the upper surface of at water tank (15) internal drainage pipe (2), the backstop (9) is located at battery room (18) and water
Between the top of slot (1).
2. a kind of green building unit roof structure according to claim 1, which is characterized in that the side of the window (24)
Bracket (23) are equipped on the inside of wall (13), the bracket (23) is equipped with blast cap (22), the side walls (13) of the window (24)
Outside is equipped with baffle (4), and the baffle (4) is equipped with telescopic rod (7), and the telescopic rod (7) is equipped with motor (14), the electricity
Machine (14) is set to the inner surface of side walls (13), is equipped with gap (30) between the baffle (4) and sink (1), the baffle (4)
Length and width be all larger than the length and width of window (24).
3. a kind of green building unit roof structure according to claim 1, which is characterized in that the battery room (18)
Top is equipped with support column (12), and the support column (12) is equipped with solar panels (11).
4. a kind of green building unit roof structure according to claim 1, which is characterized in that in the side walls (13)
The inner surface of surface and top plate (8) is equipped with one layer of compressed straw slab.
5. a kind of green building unit roof structure according to claim 1, which is characterized in that the top plate (8) be to
The arc shape of room top side recesses.
6. a kind of green building unit roof structure according to claim 1, which is characterized in that the third water inlet pipe
(5) be located at the high order end of top plate (8) with the connecting portion of top plate (8), the height of first water level sensor be lower than third into
The connecting portion of water pipe (5) and top plate (8).
7. a kind of green building unit roof structure according to claim 1, which is characterized in that the sink (1) with it is upper
Water chamber (10) connection, the height on sink (1) top are higher than the height on side walls (13) top.
8. a kind of green building unit roof structure according to claim 1, which is characterized in that the sink (1), side wall
Wall (13) and top plate (8) are made by black acrylic.
9. a kind of green building unit roof structure according to claim 1, which is characterized in that sink (1) appearance
Face is equipped with one layer of reflective surface (17), and the reflective surface (17) is made by polyvinyl chloride membrane material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877538.0U CN209145120U (en) | 2018-11-14 | 2018-11-14 | A kind of green building unit roof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821877538.0U CN209145120U (en) | 2018-11-14 | 2018-11-14 | A kind of green building unit roof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209145120U true CN209145120U (en) | 2019-07-23 |
Family
ID=67285877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821877538.0U Expired - Fee Related CN209145120U (en) | 2018-11-14 | 2018-11-14 | A kind of green building unit roof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209145120U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305368A (en) * | 2020-03-02 | 2020-06-19 | 南昌航空大学 | Multistage bridge and culvert drainage device |
-
2018
- 2018-11-14 CN CN201821877538.0U patent/CN209145120U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305368A (en) * | 2020-03-02 | 2020-06-19 | 南昌航空大学 | Multistage bridge and culvert drainage device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 |