CN106839242A - A kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode - Google Patents
A kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode Download PDFInfo
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- CN106839242A CN106839242A CN201710172577.4A CN201710172577A CN106839242A CN 106839242 A CN106839242 A CN 106839242A CN 201710172577 A CN201710172577 A CN 201710172577A CN 106839242 A CN106839242 A CN 106839242A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
- F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/88—Curtain walls
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Load-Bearing And Curtain Walls (AREA)
Abstract
The invention provides a kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode, belong to HVAC technical field.A kind of mixed ventilation double-layer photovoltaic curtain wall system, including curtain wall space cell, cavity ventilation system and original air-conditioning system.Outside glass the latter half setting photovoltaic module has not only separated solar radiation and transparent enclosure structure has been directly affected, and its own has electric energy to export again；Curtain wall cavity top half is provided with Motorized blind blinds, has certain weakening and delayed-action to solar radiation, while sun-shading louver angle can be automatically adjusted.Cavity ventilation system is the increased ventilating system in original air-conditioning system, and cavity ventilation system and original air-conditioning system are organically combined, and is capable of achieving different Ventilation Strategies.
Description
Technical field
The present invention relates to a kind of double-layer photovoltaic curtain wall ventilation system for buildings and its control mode, belong to HVAC technology neck
Domain.
Background technology
With the fast development of photovoltaic industry, the BIPV that photovoltaic module is combined with architectural exterior-protecting construction
Technology is more and more ripe.Using photovoltaic system for the production capacity type building that building provides electric power support more receives social extensive pass
One of note, and have become the important directions of China's building energy saving field development.In recent years, it is increasing large-scale public to build
Build alien invasion and use double-layered glass facade, at the same time, the building enclosure form that photovoltaic module is combined with glass curtain wall
Become the focus of architectural design.But, practical application effect shows, in torridity summer and not good ventilation effect, easily leads
Cause inner layer glass surface temperature too high, and then increase the energy consumption of curtain buildingses air-conditioning system, reduce the opto-electronic conversion of photovoltaic system
Efficiency.Therefore, a kind of air-conditioning system for being suitable for double-layer photovoltaic curtain wall building is invented, by controlling curtain wall cavity ventilation, effectively
Ground reduces cavity inner layer glass surface temperature, the heat that " interception " passes through the incoming interior of inner layer glass, while using photovoltaic module
Absorb solar radiation and export electric energy, there is larger practical value to double-layer photovoltaic curtain wall energy saving of system, Effec-tive Function.
The content of the invention
The technical problems to be solved by the invention are double-layer photovoltaic curtain wall cavity problems of excessive heat, propose a kind of double-deck photovoltaic curtain
The aeration control method that wall space cell is combined with air-conditioning system so that double-layer photovoltaic curtain wall system be able to efficiently, energy-conservation, stabilization
Ground operation.
Technical scheme：
A kind of mixed ventilation double-layer photovoltaic curtain wall system, including curtain wall space cell 1, cavity ventilation system 2 and original sky
Adjusting system 3；
Described curtain wall space cell 1 includes glass, photovoltaic module 4, Motorized blind blinds 5, terminal box 6 and ventilating opening electricity
Dynamic blinds 7, glass includes outside glass 8 and inner glass 10；Outside glass 8 and inner glass 10 surround curtain wall cavity 9；
Described outside glass 8 is double glazing, is sandwiched between the photovoltaic module 4 fixed by EVA glue；
Described photovoltaic module 4 is concatenated by Monocrystalline silicon cell piece, is laid on the latter half of outside glass 8, laying height
For 1m and laying part coverage rate be 100%；Photovoltaic module 4 is connected with the terminal box 6 being arranged in curtain wall cavity 9；
In the lower section of described photovoltaic module 4, the i.e. bottom of outside glass 8, outdoor fresh air air inlet is provided with, outdoor fresh air is entered
Ventilating opening power-operated shutter 7 is housed, ventilating opening power-operated shutter 7 controls outdoor fresh air to enter curtain wall cavity 9 according to demand at air port；
The first half is provided with Motorized blind blinds 5 in described curtain wall cavity 9, and the position of Motorized blind blinds 5 is outer in distance
At the 200mm of side glass 8；
Air-conditioning system exhaust outlet a11 is provided with the described bottom of curtain wall cavity 9, air-conditioning system air draft passes through exhaust blower a12
Feeding curtain wall cavity 9, and " cooling air curtain " is formed on the surface of inner glass 10, enhancing air is intercepted simultaneously with the heat convection of inwall
The heat of inner glass 10 is passed to, outdoor is then sent to by exhaust blower b13 by the top airduct of curtain wall cavity 9；
Described cavity ventilation system 2 increased ventilating system in original air-conditioning system 3, it is curtain wall space cell 1
Ventilation；Cavity ventilation system 2 includes outdoor fresh air, air-conditioning system air draft and the part of cavity air draft three, wherein, outdoor fresh air passes through
Ventilating opening power-operated shutter 7 enters curtain wall cavity 9, and air-conditioning system air draft enters curtain wall cavity 9 by air-conditioning system exhaust outlet a11, its
Ventilation is controlled by the first Electric air valve D1 of cavity bottom；It is new that cavity air draft is sent to outdoor or air-conditioning system by exhaust blower b13
Wind entrance, wherein, the second Electric air valve D2 controls are discharged to the air quantity of outdoor, and it is new that the 3rd Electric air valve D3 controls enter air-conditioning system
The air quantity of wind entrance；
Described original air-conditioning system 3 includes air conditioner system air blast and air-conditioning system air draft；Outdoor fresh air, curtain wall cavity
Air draft or the return air of original air-conditioning system 3 by air-conditioning system air-treatment unit, after reaching room air treatment state, by sending
Blower fan c14 delivers to each air-conditioned room, wherein, outdoor fresh air amount is controlled by the 5th Electric air valve D5, curtain wall cavity exhaust air rate by
3rd Electric air valve D3 is controlled, and the return air amount of original air-conditioning system 3 is controlled by the 6th Electric air valve D6；Curtain is sent in air-conditioning system air draft
Wall cavity 9, as air-conditioning system return air or outdoor is exhausted directly to, wherein the 4th Electric air valve D4 controls are discharged to outdoor air quantity.
The described width of curtain wall cavity 9 is 600mm.
Described outside glass 8 and the material of inner glass 10 are ultrawhite safety glass.
Combined by by cavity ventilation system and original air-conditioning system, different ventilation plans can be realized under different operating modes
Omit, have very big actual meaning as low-temperature receiver cooling curtain wall cavity, winter fresh air preheating especially for air conditioning air exhaust is made full use of
Justice.Specific control strategy is as follows：
Under the conditions of summer condition, outdoor temperature is higher, in the case where ventilation is not good, is easily caused curtain wall cavity temperature liter
Height, and then increase air conditioning energy consumption and reduce the electricity conversion of photovoltaic system.Therefore, how to cool down curtain wall cavity into
It is the key of system optimized operation under the conditions of solution summer condition, curtain wall cavity is aerated effectively can be cooled down in cavity
Wall.Specifically, the cavity exhaust blower of cavity ventilation system starts, and air-conditioning system air draft blows out from curtain wall cavity bottom air port,
Inner glass wall forms " cooling air curtain ", and at the same time, curtain aeration mouthful power-operated shutter is opened, and it is empty that outdoor fresh air enters curtain wall
Chamber.Air-conditioning system air draft and outdoor fresh air form mixed ventilation, take away in cavity and are arranged after heat to outdoor.
Under the conditions of winter condition, outside air temperature is relatively low, using cavity preheated air.Specifically, cavity exhaust blower
Shut down, air-conditioning system exhaust blower starts, outdoor air after the preheating of curtain wall cavity by entering back into air-conditioning system, air-conditioning system air draft
It is exhausted directly to outdoor.
Beneficial effects of the present invention：
1. a kind of mixed ventilation double-layer photovoltaic curtain wall system controls curtain wall empty by combining air conditioning air exhaust and outdoor fresh air
Chamber temperature, not only avoids summer curtain wall cavity from overheating influence of the greenhouse effects for causing to indoor environment, simultaneously effective utilizes
Air conditioning air exhaust forms " cooling air curtain " as low-temperature receiver on cavity inner glass surface in a organized way, and trap heat passes through inner glass
Pass to interior.Cavity temperature is reduced by divulging information, photovoltaic module surface temperature is advantageously reduced, so as to improve its photoelectric conversion effect
Rate.
2. double-layer photovoltaic curtain wall is made up of photovoltaic module and Motorized blind blinds, and photovoltaic module has not only separated solar radiation
Transparent enclosure structure is directly affected, its own has electric energy to export again.Motorized blind blinds has certain weakening to solar radiation
And delayed-action, while sun-shading louver angle can be adjusted by cavity operating mode or indoor demand.
3. under winter condition, air is preheated using curtain wall cavity, realize that high efficiency of energy is utilized.
Brief description of the drawings
Fig. 1 is a kind of mixed ventilation double-layer photovoltaic curtain wall systematic schematic diagram.
Fig. 2 is a kind of mixed ventilation double-layer photovoltaic curtain wall system control principle drawing.
Fig. 3 is double-layer photovoltaic curtain wall space cell figure.
Fig. 4 is double-layer photovoltaic curtain wall space cell A-A profiles.
In figure：1 curtain wall space cell；2 cavity ventilation systems；3 original air-conditioning systems；4 photovoltaic modulies；5 Motorized blinds hundred
Leaf；6 terminal boxes；7 ventilating opening power-operated shutters；8 outside glass；9 curtain wall cavitys；10 inner glass；11 air-conditioning system exhaust outlet a；
12 exhaust blower a；13 exhaust blower b；14 pressure fan c；15 exhaust blower d；The Electric air valves of D1 first；The Electric air valves of D2 second；D3 the 3rd
Electric air valve；The Electric air valves of D4 the 4th；The Electric air valves of D5 the 5th；The Electric air valves of D6 the 6th.
Specific embodiment
Below in conjunction with technical scheme and accompanying drawing, specific embodiment of the invention is further illustrated.
As shown in Figure 1 and Figure 2, a kind of mixed ventilation double-layer photovoltaic curtain wall system includes curtain wall space cell 1, cavity ventilation
System 2 and original air-conditioning system 3.
A kind of mixed ventilation double-layer photovoltaic curtain wall system includes curtain wall space cell, cavity ventilation system and original air-conditioning system
System；
Curtain wall space cell 1 includes glass, photovoltaic module 4, Motorized blind blinds 5, terminal box 6 and ventilating opening power-operated shutter
7, outside glass 8 and inner glass 10 are included in the structure of curtain wall space cell 1 and is enclosed by outside glass 8 and inner glass 10
Into curtain wall cavity 9；Outside glass 8 is double glazing, its photovoltaic module 4 for being sandwiched between the fixation of EVA glue；Photovoltaic module 4 by
Monocrystalline silicon cell piece is concatenated, and is then attached to terminal box 6；
The latter half of outside glass 8 is laid on, laying height is 1m, and laying part coverage rate is 100%.
The lower section of photovoltaic module 4, the i.e. bottom of outside glass 8, are provided with outdoor fresh air air inlet, and equipped with ventilating opening electronic hundred
Leaf 7.Ventilating opening power-operated shutter 7 can according to demand control outdoor fresh air to enter curtain wall cavity 9.
The described width of curtain wall cavity 9 is 600mm, and top half has Motorized blind blinds 5, electronic screening in curtain wall cavity 9
The position of positive blinds 5 is apart from the about 200mm of outside glass 8.
Air-conditioning system exhaust outlet a11 is arranged at the bottom of curtain wall cavity 9, and air-conditioning system air draft can send into curtain by exhaust blower a12
Wall cavity 9, and on the surface of inner glass 10 formation " cooling air curtain ", enhancing air passes to interior with the heat convection obstruct simultaneously of inwall
The heat of side glass 10, is then sent to outdoor by the top airduct of curtain wall cavity 9 by exhaust blower b13.
Described outside glass 8 and the material of inner glass 10 are ultrawhite safety glass；
Described cavity ventilation system 2 is the increased ventilating system in original air-conditioning system 3, and its effect is for curtain wall is empty
Between unit 1 divulge information, reach summer cooling cavity environment or winter preheat outdoor air effect.Cavity ventilation system 2 is by outdoor
Fresh air, air-conditioning system air draft and cavity air draft composition.Wherein, outdoor fresh air enters curtain wall cavity by ventilating opening power-operated shutter 7
9；Air-conditioning system air draft enters curtain wall cavity 9 by air-conditioning system exhaust outlet a11, and in torridity summer, air-conditioning system temperature of outgoing air is low
In outdoor temperature, cavity can be cooled down as low-temperature receiver；Cavity air draft is sent to outdoor or air and is entered by exhaust blower b13
Mouthful.
Described original air-conditioning system 3 includes air conditioner system air blast and air-conditioning system air draft.Outdoor fresh air or curtain wall cavity
Air draft by the air-treatment unit of air-conditioning system, after reaching room air treatment state, each is delivered to by pressure fan c14 empty
Between transferring house.Air-conditioning system air draft can be sent to curtain wall cavity 9, as air-conditioning system return air or be exhausted directly to outdoor.
Combined by by cavity ventilation system 2 and original air-conditioning system 3, different ventilation sides can be realized under different operating modes
Formula, has very big reality especially for making full use of air-conditioning system air draft to cool down curtain wall cavity and winter fresh air preheating as low-temperature receiver
Border meaning.
Specific control mode is as follows：
Under the conditions of summer condition, outdoor temperature is higher, in the case where ventilation is not good, is easily caused the temperature liter of curtain wall cavity 9
Height, and then increase air conditioning energy consumption and reduce the electricity conversion of photovoltaic system.Therefore, curtain wall cavity 9 how is cooled down
Key as system optimized operation under the conditions of solution summer condition, curtain wall cavity 9 is aerated can effectively cool down cavity
Inwall.Specifically, the exhaust blower a12 of cavity ventilation system 2, exhaust blower b13 start, the first Electric air valve D1, the second electronic wind
Valve D2 is opened, the 3rd Electric air valve D3 is closed, and air-conditioning system air draft blows out from curtain wall cavity bottom air-conditioning system exhaust outlet a11,
" cooling air curtain " is formed in the wall of inner glass 10, at the same time, curtain aeration mouthful power-operated shutter 7 is opened, and outdoor fresh air enters curtain
Wall cavity.Air-conditioning system air draft and outdoor fresh air form mixed ventilation, take away in cavity and are arranged after heat to outdoor.
Under the conditions of winter condition, outside air temperature is relatively low, using " greenhouse " preheated air formed in curtain wall cavity.
Specifically, exhaust blower a12, exhaust blower b13 are shut down, and ventilating opening power-operated shutter 7 is opened, the first Electric air valve D1, the second electronic wind
Valve D2 is closed, and the 3rd Electric air valve D3 is opened, and exhaust blower d15 starts, and the 4th Electric air valve D4 is opened, and outdoor air is by curtain wall
Cavity 9 enters back into air-conditioning system after preheating, and air-conditioning system air draft is exhausted directly to outdoor.
A kind of mixed ventilation double-layer photovoltaic curtain wall system solves double-layered glass facade building curtain wall cavity problems of excessive heat, and
Effectively utilize air conditioning air exhaust in a organized way, as low-temperature receiver, original air-conditioning system organically to be combined with cavity exhaust system, formed
A set of operation is controllable, optimization, the system of energy-conservation.Meanwhile, with curtain buildingses be combined photovoltaic module by the present invention, realizes a kind of
The practical application of production capacity type building.The electric energy that photovoltaic module is produced is available for building to use in itself, it is also possible to grid-connected.Curtain wall cavity mistake
Heat problem is addressed, and not only avoid influence of the cavity greenhouse effects to indoor comfort degree, reduces building cooling load, while drop
Low photovoltaic module surface temperature, improves its electricity conversion.
Claims (4)
1. a kind of mixed ventilation double-layer photovoltaic curtain wall system, it is characterised in that described mixed ventilation double-layer photovoltaic curtain wall system
Including curtain wall space cell (1), cavity ventilation system (2) and original air-conditioning system (3)；
Described curtain wall space cell (1) includes glass, photovoltaic module (4), Motorized blind blinds (5), terminal box (6) and ventilation
Mouth power-operated shutter (7), glass includes outside glass (8) and inner glass (10)；Outside glass (8) and inner glass (10) are surrounded
Curtain wall cavity (9)；
Described outside glass (8) is double glazing, is sandwiched between the photovoltaic module (4) fixed by EVA glue；
Described photovoltaic module (4) is concatenated by Monocrystalline silicon cell piece, is laid on the latter half of outside glass (8), laying height
For 1m and laying part coverage rate be 100%；Photovoltaic module (4) is connected with the terminal box (6) being arranged in curtain wall cavity (9)；
In the lower section of described photovoltaic module (4), i.e. outside glass (8) bottom, outdoor fresh air air inlet is provided with, outdoor fresh air is entered
Ventilating opening power-operated shutter (7) is housed, ventilating opening power-operated shutter (7) controls outdoor fresh air to enter curtain wall cavity according to demand at air port
(9)；
Described curtain wall cavity (9) interior first half is provided with Motorized blind blinds (5), and the position of Motorized blind blinds (5) is in distance
At the 200mm of outside glass (8)；
Air-conditioning system exhaust outlet a (11) is provided with described curtain wall cavity (9) bottom, air-conditioning system air draft passes through exhaust blower a
(12) feeding curtain wall cavity (9), and " cooling air curtain " is formed on inner glass (10) surface, the heat convection of enhancing air and inwall
The heat for passing to inner glass (10) is intercepted simultaneously, and room is then sent to by exhaust blower b (13) by curtain wall cavity (9) top airduct
Outward；
Described cavity ventilation system (2 in original air-conditioning system (3) increased ventilating system, it is curtain wall space cell (1)
Ventilation；Cavity ventilation system (2) includes outdoor fresh air, air-conditioning system air draft and the part of cavity air draft three, wherein, outdoor fresh air is led to
Cross ventilating opening power-operated shutter (7) and enter curtain wall cavity (9), air-conditioning system air draft enters curtain wall by air-conditioning system exhaust outlet a (11)
Cavity (9), its ventilation is controlled by first Electric air valve (D1) of cavity bottom；Cavity air draft is sent to room by exhaust blower b (13)
Outer or air entrance, wherein, the second Electric air valve (D2) control is discharged to the air quantity of outdoor, the 3rd Electric air valve (D3)
Control enters the air quantity of air entrance；
Described original air-conditioning system (3) includes air conditioner system air blast and air-conditioning system air draft；The row of outdoor fresh air, curtain wall cavity
Wind or original air-conditioning system (3) return air by air-conditioning system air-treatment unit, after reaching room air treatment state, by sending
Blower fan c (14) delivers to each air-conditioned room, wherein, outdoor fresh air amount is controlled by the 5th Electric air valve (D5), curtain wall cavity air draft
Amount is controlled by the 3rd Electric air valve (D3), and original air-conditioning system (3) return air amount is controlled by the 6th Electric air valve (D6)；Air-conditioning system
Air draft is sent to curtain wall cavity (9), as air-conditioning system return air or be exhausted directly to outdoor, wherein the 4th Electric air valve (D4) control row
To outdoor air quantity.
2. mixed ventilation double-layer photovoltaic curtain wall system according to claim 1, it is characterised in that described curtain wall cavity
(9) width is 600mm.
3. mixed ventilation double-layer photovoltaic curtain wall system according to claim 1 and 2, it is characterised in that described outside glass
The material of glass (8) and inner glass (10) is ultrawhite safety glass.
4. a kind of control mode of mixed ventilation double-layer photovoltaic curtain wall system, it is characterised in that step is as follows：
Under the conditions of summer condition：Exhaust blower a (12), the exhaust blower b (13) of cavity ventilation system (2) start, the first Electric air valve
(D1), the second Electric air valve (D2) is opened, the 3rd Electric air valve (D3) is closed, and air-conditioning system air draft is from curtain wall cavity bottom air-conditioning
System exhaust outlet a (11) is blown out, and " cooling air curtain " is formed in inner glass (10) wall, at the same time, ventilating opening power-operated shutter (7)
Open, outdoor fresh air enters curtain wall cavity (9)；
Under the conditions of winter condition：Exhaust blower a (12), exhaust blower b (13) are shut down, and ventilating opening power-operated shutter (7) is opened, and first is electronic
Air-valve (D1), the second Electric air valve (D2) are closed, and the 3rd Electric air valve (D3) is opened, and exhaust blower d (15) starts, the 4th electronic wind
Valve Electric air valve (D4) is opened, and outdoor air after curtain wall cavity (9) preheating by entering back into air-conditioning system, and air-conditioning system air draft is straight
Run in outdoor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172577.4A CN106839242A (en) | 2017-03-22 | 2017-03-22 | A kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode |
| PCT/CN2018/071330 WO2018171294A1 (en) | 2017-03-22 | 2018-01-04 | Mixed air-supply two-layer photovoltaic curtain wall system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710172577.4A CN106839242A (en) | 2017-03-22 | 2017-03-22 | A kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106839242A true CN106839242A (en) | 2017-06-13 |
Family
ID=59130061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710172577.4A Pending CN106839242A (en) | 2017-03-22 | 2017-03-22 | A kind of mixed ventilation double-layer photovoltaic curtain wall system and its control mode |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106839242A (en) |
| WO (1) | WO2018171294A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018171294A1 (en) * | 2017-03-22 | 2018-09-27 | 大连理工大学 | Mixed air-supply two-layer photovoltaic curtain wall system and control method |
| PL425203A1 (en) * | 2018-04-12 | 2019-10-21 | Politechnika Rzeszowska im. Ignacego Łukasiewicza | Collector-and-accumulation transparent partition for building engineering |
| CN113107115A (en) * | 2021-03-18 | 2021-07-13 | 中国石油大学(华东) | Electrostatic precipitator double-deck skin ventilation curtain |
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| CN113107115A (en) * | 2021-03-18 | 2021-07-13 | 中国石油大学(华东) | Electrostatic precipitator double-deck skin ventilation curtain |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018171294A1 (en) | 2018-09-27 |
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Application publication date: 20170613 |
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