CN211690887U - Wall structure based on solar energy comprehensive utilization - Google Patents

Wall structure based on solar energy comprehensive utilization Download PDF

Info

Publication number
CN211690887U
CN211690887U CN201922319574.6U CN201922319574U CN211690887U CN 211690887 U CN211690887 U CN 211690887U CN 201922319574 U CN201922319574 U CN 201922319574U CN 211690887 U CN211690887 U CN 211690887U
Authority
CN
China
Prior art keywords
wall body
outer side
solar energy
air gap
comprehensive utilization
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
Application number
CN201922319574.6U
Other languages
Chinese (zh)
Inventor
朱晓燕
檀文迪
周晓萱
翟雪洁
陈雪
佟亚楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China University of Science and Technology
Original Assignee
North China University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by North China University of Science and Technology filed Critical North China University of Science and Technology
Priority to CN201922319574.6U priority Critical patent/CN211690887U/en
Application granted granted Critical
Publication of CN211690887U publication Critical patent/CN211690887U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • Y02A30/272Solar heating or cooling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/20Solar thermal
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/20Climate change mitigation technologies for sector-wide applications using renewable energy

Landscapes

  • Building Environments (AREA)
  • Special Wing (AREA)

Abstract

The utility model relates to a wall structure based on to solar energy comprehensive utilization belongs to building trade technical field. The technical scheme is as follows: the inner side surface of the wall body is provided with a mounting groove, the outer side surface of the wall body (5) is coated with a matt dark color coating (9), the outer side of the outer side surface of the wall body (5) is provided with a glass or light barrier in a sliding manner, a closed air gap layer (6) is arranged between the glass or light barrier and the wall body (5), and a water pipeline structure (11) is arranged on the outer side surface of the wall body (5) and is positioned in the air gap layer (6); the sealing wood board door (1) and the unit type heat-insulating partition board (2) are sequentially arranged in the mounting grooves on the inner side surface of the wall body (5) from inside to outside, and the unit type heat-insulating partition board (2) is provided with heat-insulating filling materials (3). The utility model discloses a low energy consumption mode refrigerates and heats the effect, and the effect is obvious, refrigerates or heats and promote indoor ventilation simultaneously, provides comfortable environment for indoor.

Description

Wall structure based on solar energy comprehensive utilization
Technical Field
The utility model relates to a wall structure based on to solar energy comprehensive utilization belongs to building trade technical field.
Background
With the continuous and rapid development of national economy and people living standard in China, the energy problem is the same as the environmental problem, and has become a key factor influencing the harmonious development of the national economy. The passive solar building has positive effects on adjusting residential energy consumption structure, guaranteeing building energy safety, reducing greenhouse gas emission, protecting atmospheric environment, solving energy consumption in rural and remote areas, improving national quality of life, promoting and implementing national residential industrialization policy and the like.
At present, green buildings become a hot problem concerned by scholars at home and abroad, various achievements about green building planning, design and technology are continuously emerging, and for cold northern areas, how to fully utilize solar energy is more important to research.
The wall body is a main enclosure component of a building, the area ratio of the wall body in the enclosure component is large, the heat preservation of the wall body is particularly important, the heat preservation effect of the wall body is realized by adding a heat preservation layer to a main structure in the currently generally adopted wall body heat preservation measures, but the method blocks indoor and outdoor heat transfer, simultaneously blocks a large amount of solar energy which is beneficial to building temperature rise in winter outside the building, and reduces the comprehensive utilization effect of the solar radiation of the wall body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wall structure based on to solar energy comprehensive utilization adopts the low energy consumption mode to refrigerate and heat the effect, and the effect is obvious, promotes indoor ventilation when refrigerating or heating, for indoor comfortable environment that provides, solves the above-mentioned problem that the background art exists.
The technical scheme of the utility model is that:
a wall structure based on comprehensive utilization of solar energy comprises a sealed wooden door, a unit type heat insulation partition board, a heat insulation filling material, a wall body, an air gap layer, glass or a light barrier, a dark-color light-free coating and a water pipeline structure; the inner side surface of the wall body is positioned indoors, and the outer side surface of the wall body is positioned outdoors; the inner side surface of the wall body is provided with an installation groove, the outer side surface of the wall body is coated with a dark-color coating, the outer side of the outer side surface of the wall body is provided with a glass or a light barrier in a sliding manner, a closed air gap layer is arranged between the glass or the light barrier and the wall body, and the water pipeline structure is arranged on the outer side surface of the wall body and is positioned in the air gap layer; the sealing wood plate door and the unit type heat-insulation partition plate are sequentially arranged in the mounting groove on the inner side surface of the wall body from inside to outside, and heat-insulation filling materials are arranged on the unit type heat-insulation partition plate; the upper end and the lower end of the inner side face and the outer side face of the wall body are respectively provided with a vent, the vents are communicated with a ventilation channel arranged in the wall body, and the indoor air gap layer and the air gap layer are communicated through the vents and the ventilation channel.
A rubber powder polyphenyl particle leveling layer is arranged between the unit type heat preservation partition plate and the wall body and used for connecting the unit type heat preservation partition plate and the wall body.
And a sliding window is arranged on the ventilation opening.
The sealing wood-plate door is rotatably arranged in the mounting groove of the wall body, and a handle is arranged on the sealing wood-plate door.
And a sealing strip is arranged between the sealing wood plate door and the wall body.
The unit type heat insulation partition plate is provided with a plurality of heat insulation filling material installation grooves, the whole heat insulation partition plate is of a chessboard structure, heat insulation filling materials are filled in the heat insulation filling material installation grooves, and the heat insulation filling materials can be detached.
The upper end and the lower end of the outer side surface of the wall body are both provided with slide rails, and the glass or the light barrier is arranged on the slide rails in a sliding manner.
The unit type heat-insulation partition plate is formed by pressing organic waste materials.
The sealing wood board door is made of a material with good sealing performance, and gaps are filled and sealed, so that a cold bridge is avoided.
The wall body is made of reinforced concrete, and the outer side surface of the wall body is coated with a dark coating (a Delnoby wall body).
The water pipeline structure is communicated with circulating cold water for refrigeration in summer, and is used for heating water in the solar heating water pipe in winter, and the water pipeline structure can be detached. The water in the water line structure becomes hot, and can be combined with indoor washing and bathing, thereby realizing the water multipurpose and fully utilizing the solar energy.
Adopt the utility model discloses, utilize solar energy comprehensively, glass slides in winter, spreads into heat energy into indoor through solar radiation with behind water line structure and the wall body heating to open the hot-air transmission of vent in with the air gap layer indoor about, promote indoor air circulation, reach the effect of heating and ventilating, close the vent night, utilize the heat that the wall body stored to keep warm.
In summer, the solar water heater slides into the light barrier in daytime, the ventilation opening is opened, circulating cold water is introduced into the water pipe, the air gap layer is refrigerated, and cold air enters the room from the ventilation opening, so that the indoor cooling effect is achieved. And opening the light barrier and the ventilation opening at night in summer to cool and ventilate.
The door plate can be opened, and the unit type heat-insulating partition plate can be filled by selecting proper heat-insulating filling materials according to different regions and seasons, so that an ideal effect is achieved. Part of the filler may be taken out in summer to promote indoor ventilation. Different from the traditional thermal insulation wall, be difficult to satisfy different seasons to and user's different demands, the utility model discloses save the energy consumption to a certain extent and satisfy refrigeration and heat simultaneously.
The utility model discloses with the technique that the wall body technique of bright brown, organic waste material recycle technique, low temperature radiation heating and wall body combine, strengthened the comprehensive utilization effect to solar energy from three aspect. The building heat preservation system has the advantages that the better indoor environment is guaranteed, the indoor ventilation is promoted, the conversion from 'rebuilding and building heat preservation' to 'light solar energy utilization' is realized, and a new technology is provided for a passive green building technology.
The utility model discloses an actively the effect: the refrigerating and heating functions are carried out in a low energy consumption mode, the effect is obvious, indoor ventilation is promoted while refrigerating or heating is carried out, and a comfortable environment is provided for the indoor environment.
Drawings
FIG. 1 is a schematic view of the layered structure of the present invention;
fig. 2 is a longitudinal sectional view of the present invention;
FIG. 3 is a schematic perspective view of the present invention;
FIG. 4 is a schematic view of the outer side of the wall body of the present invention;
in the figure: the sealing wood plate door comprises a sealing wood plate door 1, a unit type heat insulation partition plate 2, a heat insulation filling material 3, a glue powder polyphenyl particle leveling layer 4, a wall body 5, an air gap layer 6, a sliding rail 7, glass 8, a dark-color matt coating 9, a ventilation opening 10, a water pipeline structure 11, a sliding window 13, a door handle 14 and a sealing strip 15.
Detailed Description
The invention is further described with reference to the following figures and examples:
a wall structure based on comprehensive utilization of solar energy comprises a sealed wooden door 1, a unit type heat insulation partition board 2, a heat insulation filling material 3, a wall body 5, an air gap layer 6, glass or a light barrier, a dark-color light-free coating 9 and a water pipeline structure 11; the inner side surface of the wall body 5 is indoor, and the outer side surface is located outdoors; the inner side surface is provided with a mounting groove, the outer side surface of the wall body 5 is coated with a dark-color coating 9 without light, the outer side of the outer side surface of the wall body 5 is provided with glass or a light barrier in a sliding manner, a closed air gap layer 6 is arranged between the glass or the light barrier and the wall body 5, and a water pipeline structure 11 is arranged on the outer side surface of the wall body 5 and is positioned in the air gap layer 6; the sealing wood plate door 1 and the unit type heat-insulation partition plate 2 are sequentially arranged in mounting grooves on the inner side surface of the wall body 5 from inside to outside, and heat-insulation filling materials 3 are arranged on the unit type heat-insulation partition plate 2; the upper end and the lower end of the inner side face and the outer side face of the wall body 5 are respectively provided with a vent hole, the vent holes are communicated with a ventilation channel arranged in the wall body 5, and the indoor air gap layer 6 and the air gap layer 6 are communicated through the vent holes and the ventilation channel.
A rubber powder polyphenyl particle leveling layer 4 is arranged between the unit type heat preservation partition board 2 and the wall body 5.
And a sliding window 13 is arranged on the ventilation opening.
The sealing wood-plate door 1 is rotatably arranged in an installation groove of a wall body 15, and a handle 14 is arranged on the sealing wood-plate door.
And a sealing strip 15 is arranged between the sealing wood plate door 1 and the wall body 5.
The unit type heat insulation partition plate is evenly provided with a plurality of heat insulation filling material installation grooves, the whole heat insulation partition plate is of a chessboard structure, heat insulation filling materials are filled in the heat insulation filling material installation grooves, and the heat insulation filling materials can be detached.
The upper end and the lower end of the outer side face of the wall body 5 are both provided with slide rails 7, and the glass or the light barrier is arranged on the slide rails 7 in a sliding mode. And a closed space is formed among the outer side surface of the wall body, the upper and lower slide rails and the glass or the light barrier, and the space is the air gap layer 6. The glass can be changed into the light barrier through the arranged slide rail 7 in summer.
Referring to fig. 1, 2, 3 and 4, in the present embodiment,
the sealed wooden door 1 can be opened or closed to prevent moisture, and gaps can be filled with asphalt hemp threads. The unit type heat-insulating partition board 2 is made of organic waste materials such as bagasse and straws, is arranged in a checkerboard-shaped crisscross manner, is provided with a heat-insulating filling material mounting groove on the surface, can be filled with heat-insulating filling materials 3 with various sizes and materials, and can be placed in winter and taken out in summer. The glue powder polyphenyl granule leveling layer 4 is about 10mm thick on the inner side of the wall body, so that the unit type heat-insulating partition board 2 is bonded with the installation groove of the wall body 5 without a cavity. The wall body 5 is made of concrete material, and has good integrity and high strength.
The matt dark color paint 9 is a special material for a Terra-Bluey wall, can well absorb sunlight, is known in the field as matt dark color paint, and can be purchased on the market.
The air gap layer 6 is about 13cm thick, the water pipe in the water pipeline structure 11 is attached to the outer side face of the wall body to form a circulation, the water pipe slides into the light barrier in summer in daytime to achieve a good sun-shading effect, the vent 10 is opened, circulating cold water is introduced into the water pipe to refrigerate the air gap layer 6, hot air in the air gap layer 6 meets cold condensation through the surface of the water pipe and becomes cold air, the cold air enters the room through the vent, and the hot air above the room is discharged to form a circulation, so that the ventilation and indoor cooling effects are achieved. And opening the light barrier and the sliding window at the vent in summer at night to cool and ventilate.
In winter, the light barrier can be replaced by glass 8, the glass 8 can be made of toughened glass and has the performances of light transmission, wear resistance, weather resistance and the like, in winter, sunlight irradiates the glass 8 to enable the air temperature of the air gap layer 6 to rise, the water pipeline structure and the wall body (the Terambry wall body) are heated and then heat energy is transmitted into a room, the upper vent and the lower vent are opened to transmit hot air into the room, indoor air circulation is promoted, the heating and ventilation effects are achieved, the vent is closed at night, and heat preservation is performed by utilizing heat stored in the wall body.
The principle of heat preservation: by mixing cement sand and stone with the rubber powder polyphenyl particles in proportion, the polyphenyl particle light porous material is a good heat insulation filling material, and is made into a rubber powder polyphenyl particle leveling layer to achieve the best heat insulation effect; organic materials such as straws and the like are processed to be made into a checkerboard-shaped unit type heat insulation partition board 2, small squares left in the middle can be used for replacing heat insulation filling materials, a large amount of heat insulation is needed in winter, and the materials with good heat insulation effect can be filled; when heat preservation is not needed to be paid much attention in summer, the sealing wood board door 1 can be opened, the heat preservation filling material on the unit heat preservation partition plate 2 is taken out, the sealing wood board door and the wall body are sealed through the sealing strips 15, isolated air enters the wall body, and a good heat preservation effect is achieved.
The refrigeration principle is as follows: in summer, the window shade slides into the light barrier in daytime, the sliding window at the ventilation opening 10 is opened, and air flows in different directions can enter the air gap layer 6 through the ventilation pipeline. Circulating cold water is introduced into the water pipeline structure 11 to refrigerate the air in the air gap layer 6, and according to the Bernoulli principle, the air pressure of the air gap layer 6 is smaller than the indoor air pressure, so that pressure difference is formed. The cold air sinks due to high density, and enters the room through the lower vent, so that the indoor cooling effect is achieved. The hot air in the room enters the air gap layer 6 from the upper vent to realize circulation. And opening the light barrier and the sliding window at the vent in summer at night to cool and ventilate.
Heating principle: (1) the sunlight irradiates the glass, the dark coating 9 without light on the wall absorbs heat, the air in the air gap layer 6 becomes hot, and according to the Bernoulli principle, the air pressure on the surface of the outer enclosure wall 5 is smaller than the indoor air pressure, so that pressure difference is formed. The density of the hot air rises slightly, the hot air enters the room through the upper ventilation opening 10, and the cold air in the room sinks, so that the cold air is extruded out of the lower ventilation opening 10 and enters the air gap layer 6 for circulation; (2) through solar irradiation, not only can the air in the air gap layer become hot, but also the water in the water pipeline structure 11 can become hot, and the solar water heater can be combined with indoor washing and bathing, thereby realizing multiple purposes of water and fully utilizing solar energy.

Claims (7)

1. The utility model provides a wall structure based on to solar energy comprehensive utilization which characterized in that: the composite insulation board comprises a sealed wooden board door (1), a unit type insulation partition board (2), insulation filling materials (3), a wall body (5), an air gap layer (6), glass or a light barrier, a dark-color coating (9) and a water pipeline structure (11); the inner side surface of the wall body (5) is positioned indoors, and the outer side surface of the wall body is positioned outdoors; the inner side surface of the wall body is provided with a mounting groove, the outer side surface of the wall body (5) is coated with a matt dark color coating (9), the outer side of the outer side surface of the wall body (5) is provided with a glass or light barrier in a sliding manner, a closed air gap layer (6) is arranged between the glass or light barrier and the wall body (5), and a water pipeline structure (11) is arranged on the outer side surface of the wall body (5) and is positioned in the air gap layer (6); the sealing wood plate door (1) and the unit type heat-insulation partition plate (2) are sequentially arranged in the mounting groove on the inner side surface of the wall body (5) from inside to outside, and the unit type heat-insulation partition plate (2) is provided with a heat-insulation filling material (3); the upper end and the lower end of the inner side face and the outer side face of the wall body (5) are respectively provided with a vent hole, the vent holes are communicated with a ventilation channel arranged in the wall body (5), and the indoor air gap layer (6) and the air gap layer (6) are communicated through the vent holes and the ventilation channel.
2. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1, wherein: a rubber powder polyphenyl particle leveling layer (4) is arranged between the unit type heat preservation partition plate (2) and the wall body (5).
3. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1, wherein: and a sliding window (13) is arranged on the ventilation opening.
4. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1 or 3, wherein: the sealing wood-plate door (1) is rotatably arranged in an installation groove of the wall body (5), and a handle (14) is arranged on the sealing wood-plate door.
5. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1 or 3, wherein: and a sealing strip (15) is arranged between the sealing wood plate door (1) and the wall body (5).
6. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1 or 3, wherein: the unit type heat insulation partition plate is provided with a plurality of heat insulation filling material installation grooves, the whole heat insulation partition plate is of a chessboard structure, heat insulation filling materials are filled in the heat insulation filling material installation grooves, and the heat insulation filling materials can be detached.
7. The wall structure based on the comprehensive utilization of solar energy as claimed in claim 1, wherein: the upper end and the lower end of the outer side face of the wall body (5) are respectively provided with a sliding rail (7), and the glass or the light barrier is arranged on the sliding rails (7) in a sliding mode.
CN201922319574.6U 2019-12-23 2019-12-23 Wall structure based on solar energy comprehensive utilization Expired - Fee Related CN211690887U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922319574.6U CN211690887U (en) 2019-12-23 2019-12-23 Wall structure based on solar energy comprehensive utilization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922319574.6U CN211690887U (en) 2019-12-23 2019-12-23 Wall structure based on solar energy comprehensive utilization

Publications (1)

Publication Number Publication Date
CN211690887U true CN211690887U (en) 2020-10-16

Family

ID=72793307

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922319574.6U Expired - Fee Related CN211690887U (en) 2019-12-23 2019-12-23 Wall structure based on solar energy comprehensive utilization

Country Status (1)

Country Link
CN (1) CN211690887U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112327964A (en) * 2020-11-05 2021-02-05 合肥奕聚信息科技有限公司 Building body temperature control system based on polymorphic monitoring
CN112997767A (en) * 2021-02-23 2021-06-22 北京湖望月科技有限公司 High-efficient heat preservation wallboard based on sunlight greenhouse ecological ring accuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112327964A (en) * 2020-11-05 2021-02-05 合肥奕聚信息科技有限公司 Building body temperature control system based on polymorphic monitoring
CN112997767A (en) * 2021-02-23 2021-06-22 北京湖望月科技有限公司 High-efficient heat preservation wallboard based on sunlight greenhouse ecological ring accuse

Similar Documents

Publication Publication Date Title
Zhang et al. The application of air layers in building envelopes: A review
CN201459950U (en) Solar heat-storage type heating and ventilating wall
CN102444222B (en) Middle heat insulation type solar phase change thermal storage wall body system with double flow channels
CN101324352B (en) Solar energy storage ventilated heating system
CN211690887U (en) Wall structure based on solar energy comprehensive utilization
CN101922775A (en) Passive cooling air conditioning method and device thereof
CN109736601A (en) A kind of passive room of the light steel of assembled of nearly zero energy consumption
CN107893548B (en) A kind of grange solar energy housing with Zhongting
CN210288762U (en) Modularized dynamic building surface using natural energy
CN209469043U (en) A kind of passive room of the light steel of assembled of nearly zero energy consumption
CN101893298A (en) Air-conditioning method with function of passive cooling of indoor air through water circulation and device
CN110258846A (en) A kind of modularization dynamic building epidermis using natural energy resources
CN209482528U (en) A kind of combined passive solar energy building enclosure
CN103696584B (en) Air conditioner energy saving house, ground
CN201865545U (en) Water passive cooling integrated device, evaporation cooling water passive cooling integrated device and air-conditioning apparatus thereof
CN213390681U (en) Breathing type phase change Trombe wall
CN205063061U (en) Energy -conserving room of water tank wall between sunshine
CN203654799U (en) Ground air-conditioning energy-saving house
CN105951979A (en) Super-energy-saving building system
CN109680816B (en) Temperature-control air layer blocking type heat insulation ultra-low energy consumption outer wall structure
CN101476355B (en) External wall structure of energy-saving machine room or base station and its construction method
CN201013141Y (en) Filling type door and window section bar
CN205954828U (en) Super energy -conserving building system
CN202430853U (en) Unpowered convection energy-saving wall
Lu et al. An exploration aboutthe Solar Energy Utilization and the Enclosure SystemRenovation for Rural Residential Buildings in Cold Areas of Northern China——Taking the rural residential renovation design in Zhujialin Village, Linyi as an example

Legal Events

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: 20201016

Termination date: 20211223