CN220266972U

CN220266972U - Roof ventilation skylight

Info

Publication number: CN220266972U
Application number: CN202321915942.3U
Authority: CN
Inventors: 夏清波
Original assignee: Wisdri Engineering and Research Incorporation Ltd
Current assignee: Wisdri Engineering and Research Incorporation Ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-12-29
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a roof ventilation skylight, which comprises a skylight frame, a main air duct, a side air duct, a rain shield, a wind shield, an air inlet, a shutter assembly and an air outlet, wherein the main air duct is arranged on the side air duct; the skylight frame is positioned above the ventilation opening of the roof, and the bottom of the skylight frame is fixed on the roof; the lower end of the main air duct is communicated with the ventilation opening, the upper port of the main air duct is covered with a rain shield, and the rain shield is fixed on the skylight frame; a side air duct is arranged between the side wall of the main air duct and the wind deflector; two sides of the main air duct are respectively provided with an air inlet communicated with the main air duct and the side air duct, and the air inlet is provided with a shutter assembly; the shutter assembly comprises shutter blades, a rotating shaft, a pull rod, a transmission rod and a telescopic motor. The beneficial effects of the utility model are as follows: the valve plate is split type structure, is formed by a plurality of tripe pieces amalgamation, compares with monoblock valve plate structure, and the flexibility is higher, and motor operation is laborsaving, can effectively open or close the air intake, full play sky window's ventilation function.

Description

Roof ventilation skylight

Technical Field

The utility model relates to the technical field of ventilation of building structures, in particular to a roof ventilation skylight.

Technical Field

During industrial production (especially metallurgical industry), heat is released, which causes excessive temperature in industrial plants, and natural ventilation is needed to reduce indoor temperature. Roof ventilation skylight is the important facility of industrial factory building natural draft, has ventilation daylighting's effect. At present, the types of the ventilation skylight are mainly divided into an open type skylight and an electric open-close type skylight according to whether the closing requirement exists or not, wherein the open-close type skylight is mainly applicable to industrial factory building roofs of the skylight which are high in natural ventilation requirement in northern areas and need to be closed in winter, and is also applicable to industrial factory building roofs in southern areas which have temporary closing requirements on the skylight.

The motor drives the rotating shaft to rotate so as to drive the valve plate to rotate, and the air inlet is opened or closed. However, the opening and closing valve plate of the existing opening and closing type skylight is in an upper suspension type or a lower suspension type (the rotating shaft is arranged at the upper part of the valve plate and is in a lower suspension type), the valve plate is of a whole plate structure, and the motor runs forcefully, so that an air inlet is easy to be closed or opened, and the skylight is difficult to play a ventilation function; and when the air inlet is opened, the transmission component is in a tension state, so that the air inlet is easy to damage and high in maintenance cost. In addition, the section gutter of the existing skylight occupies the effective width of the side air duct, so that the local width of the air duct is provided with a bottleneck, and the ventilation efficiency is low; the air outlet of the existing skylight is open, and lacks a rain and snow prevention measure, so that rain and snow easily float into the air channel to influence normal ventilation and opening and closing of the valve plate, and hidden danger of water leakage exists.

Accordingly, there is a need for improvements over the prior art.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, provides a roof ventilation skylight, and aims to solve the problem that an air inlet cannot be effectively closed and opened in the prior art.

The utility model adopts the technical scheme that: the roof ventilation skylight comprises a skylight frame, a main air duct, a rain shield, a wind shield, an air inlet, a shutter assembly and an air outlet;

the skylight frame is positioned above the ventilation opening of the roof, and the bottom of the skylight frame is fixed on the roof; the lower end of the main air duct is communicated with the ventilation opening, the upper port of the main air duct is covered with a rain shield, and the rain shield is fixed on the skylight frame;

the outer side of the main air duct is provided with a wind shield, the wind shield is fixed on the skylight frame, and the upper end of the wind shield extends to the upper part of the rain shield; a side air duct is arranged between the side wall of the main air duct and the wind deflector;

two sides of the main air duct are respectively provided with an air inlet communicated with the main air duct and the side air duct, and the air inlet is provided with a shutter assembly;

the shutter assembly comprises shutter blades, a rotating shaft, a pull rod, a transmission rod and a telescopic motor;

the plurality of groups of louver blades are sequentially arranged up and down along the air inlet, and the air inlet is completely covered when the plurality of groups of louver blades are spliced; the middle part of each louver blade is connected with a rotating shaft; the back of each louver blade is connected with a pull rod, the outer end of each pull rod is hinged with the same transmission rod, and the transmission rods are connected with the driving ends of the telescopic motors;

an air outlet communicated with the side air channel is formed between the rain shield and the wind shield.

According to the scheme, the rain shield is an arc-shaped plate with high middle and low two sides.

According to the scheme, gutter are arranged at the lower ends of two sides of the rain shield; the bottom of the gutter is connected with a downpipe, and the downpipe extends out from a gap between the lower end of the wind baffle and the outer side of the main air duct.

According to the scheme, the rain-proof piece is arranged above the air outlet, and is obliquely arranged on the skylight frame above the rain-proof plate, and the lower end of the rain-proof piece is obliquely arranged towards the direction of the rain-proof plate.

According to the scheme, the gable of the skylight is provided with the skylight maintenance ladder.

According to the scheme, the skylight frame comprises a plurality of groups of longitudinally spaced skylight frame units, and adjacent skylight frame units are connected through longitudinal connecting steel pipes to form a space structure.

According to the scheme, each group of skylight frame units comprises a lower upright rod, an arc-shaped frame, a horizontal stay bar and an upper upright rod; the plurality of lower upright rods are arranged on two sides at intervals along the length direction of the main air duct, and the lower ends of the lower upright rods are connected with the roof panel; the upper end of the lower upright rod is connected with a top arc-shaped frame;

the horizontal stay bars are horizontally arranged at intervals along the height direction of the lower vertical rod, the inner ends of the horizontal stay bars are connected with the lower vertical rod, and the outer ends of the horizontal stay bars are connected with the side arc-shaped frames; the wind shield is arranged on the side arc-shaped frame;

the lower end of the upper upright rod is fixed on a horizontal stay bar on the upper layer, and the upper end of the upper upright rod is connected with the side arc-shaped frame;

the upper ends of the lower upright rods of the two adjacent skylight frame units and the arc-shaped frames at the top are correspondingly connected through longitudinal connecting steel pipes respectively; the rain shield is arranged on the top arc-shaped frame and the longitudinal connecting steel pipe.

According to the scheme, the skylight frame unit is further provided with a horizontal connecting rod, a vertical connecting rod and an inclined connecting rod; two ends of the horizontal connecting rod are respectively connected with lower vertical rods positioned at two sides of the end part of the skylight; two ends of the horizontal connecting rod are respectively connected with an inclined connecting rod, the upper end of the inclined connecting rod is connected with the top arc-shaped frame, and the horizontal connecting rod and the two inclined connecting rods form a triangular structure; the lower end of the vertical connecting rod is connected with the inclined connecting rod, and the upper end of the vertical connecting rod is connected with the top arc-shaped frame; and an oblique pull rod is further arranged between the top arc-shaped frame and the oblique connecting rod.

According to the scheme, the wind shield is an arc-shaped plate.

According to the scheme, the sum of the distances a1 between the outer walls of the main air channels at the two sides and the inner wall of the wind shield 3 exceeds 76% of the width a2 of the main air channel; the height h1 of the skylight exceeds 83% of the width a2 of the main air duct.

The beneficial effects of the utility model are as follows:

(1) In the utility model, the valve plate is of a split type structure and is formed by splicing a plurality of louver blades, compared with a whole valve plate structure, the flexibility is higher, the motor is labor-saving to operate, the air inlet can be effectively opened or closed, the air flow assistance of the main air channel is small, and the ventilation function of the sky window is fully exerted; and the middle part of each louver blade is connected with the rotating shaft, compared with the existing upper suspension type or lower suspension type structure, the middle suspension type structure has the advantages that the motor is labor-saving to open and close, the opening time or the closing time is short, the stroke is short, and the transmission component is in a tension-free state.

(2) Under the same main air duct width, the utility model improves the width ratio of the side air duct (the sum of the widths of the side air ducts at two sides exceeds 76% of the main air duct width a 2), and compared with the prior art (the width of the side air duct in the prior art is lower than 65% of the main air duct width a 2), the ventilation efficiency is higher.

(3) According to the utility model, the top of the skylight frame adopts the primary flame retardant FRP glass fiber reinforced plastic daylighting panel as the rain shield, so that the skylight has the function of daylighting of a factory roof.

(4) According to the utility model, the rain-proof sheet is additionally arranged at the air outlet of the skylight frame, so that the rain and snow air inlet is prevented from drifting into the main air duct.

(5) In the utility model, the arc-shaped rain shield is designed at the top of the skylight, and the arc-shaped wind shields are designed at the two sides of the skylight, so that the appearance is smooth and attractive.

Drawings

FIG. 1 is a side cross-sectional view of one embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a shutter assembly in this embodiment.

Fig. 3 is a side view of the present embodiment.

Fig. 4 is a front view of the present embodiment.

In the figure: 1-a sky window frame; 1.1-lower upright posts; 1.2-oblique pull rods; 1.3-horizontal stay bars; 1.4-setting upright rods; 1.5-top arc rack; 1.6-side arc frames; 1.7-horizontal links; 1.8-vertical connecting rod; 1.9-oblique connecting rod; 1.10-top link; 1.11-oblique reinforcing rods; 2-rain shield, 3-wind shield, 4-louver, 5-motor, 6-gutter, 7-downpipe, 8-rain shield, 9-air inlet, 10-air outlet, 11-roof panel, 12-longitudinal connecting steel pipe; 13-an overhaul ladder; 14-a bracket; 15-gable; 16-the side wall of the main air duct; 17-rotating shaft; 18-a pull rod; 19-a transmission rod; 20-waterproof board.

Detailed Description

For a better understanding of the present utility model, the present utility model is further described below with reference to the drawings and specific examples.

A roof ventilation skylight as shown in figures 1, 3 and 4 is provided in the upper portion of the roof ventilation opening. The roof ventilation skylight comprises a skylight frame, a main air duct, side air ducts, a rain shield 2, an air inlet 9, a shutter assembly, a wind shield 3 and an air outlet 10;

the skylight frame is positioned above the ventilation opening of the roof, and the bottom of the skylight frame is fixed on the roof; the lower end of the main air duct is communicated with the ventilation opening, the upper port of the main air duct is covered with a rain shield plate 2, and the rain shield plate 2 is fixed on the skylight frame;

the outside of the main air duct is provided with a wind shield 3, the wind shield 3 is fixed on a sky window frame, and the upper end of the wind shield 3 extends to the upper part of the rain shield 2; a side air duct is arranged between the side wall of the main air duct and the wind deflector 3;

two sides of the main air duct are respectively provided with an air inlet 9 which is communicated with the main air duct and the side air duct, and the air inlet 9 is provided with a shutter assembly;

the shutter assembly comprises a shutter blade 4, a rotating shaft 17, a pull rod 18, a transmission rod 19 and a telescopic motor 5;

the louver blades 4 are provided with a plurality of groups, and are sequentially arranged up and down along the air inlet 9, and the air inlet 9 is completely covered when the louver blades 4 are spliced; as shown in fig. 2, the middle part of each louver 4 is connected with a rotating shaft 17, and the louver 4 can turn around the rotating shaft 17; the back of each louver blade 4 is connected with a pull rod 18, the outer end of each pull rod 18 is hinged with the same transmission rod 19, and the transmission rods 19 are connected with the driving end of the telescopic motor 5; the telescopic motor 5 is arranged on a window frame at the outer side of the main air duct;

an air outlet 10 communicated with the side air channel is formed between the upper part 2 of the rain shield and the wind shield 3.

In the utility model, when the telescopic motor 5 stretches, the transmission rod 19 is driven to move towards the direction close to the air inlet 9, and then the upper ends of the corresponding louvers 4 are driven to synchronously rotate inwards around the rotating shaft 17 by the pull rods 18, so that the air inlet 9 is opened (as shown in an open state of a louver assembly on the left side of fig. 1), and indoor hot air flows to the air outlet 10 through the air inlet 9 and finally is discharged out of the room; when the telescopic motor 5 is retracted, the transmission rod 19 is driven to move in a direction away from the air inlet 9, and then the upper ends of the corresponding louvers 4 are driven to synchronously rotate outwards to be vertical around the rotating shaft 17 by the pull rods 18, at the moment, the louvers 4 are spliced to form a valve plate and completely cover the air inlet 9, and the air inlet 9 is closed (as shown in a closed state of a louver assembly on the right side of fig. 1). In general, each group of shutter assemblies is synchronously opened or closed, and in order to more clearly illustrate the closed and opened states of the shutter assemblies, the left and right sides in fig. 1 respectively illustrate two states of the shutter assemblies.

In the utility model, the rotating shaft 17 can be arranged on the side wall 16 of the air duct or on a vertical connecting rod of a main air duct side skylight frame; the louver blade 4 can be made of a steel frame and FRP glass fiber reinforced plastic plates fixed on the steel frame, and can also be made of an aluminum alloy frame and thin sandwich color plates fixed on the aluminum alloy frame, which are all existing in the industry. The number of the shutter components can be adaptively adjusted according to the specification and the number of the air inlets 9.

Preferably, the wind deflector 3 is an arc-shaped plate.

In the utility model, the wind shield 3 is made of a pressed color plate.

Preferably, the rain shield 2 is an arc plate with high middle and low two sides; the lower ends of two sides of the rain shield 2 are provided with gutter 6, and gutter 6 is positioned outside the main air duct; the bottom of the gutter 6 is connected with a downpipe 7, and the downpipe 7 extends out from a gap between the lower end of the wind shield 3 and the outer side of the main air duct (i.e. extends out from the lower part of the side air duct).

In the utility model, the rain shield 2 is FRP glass fiber reinforced plastic, in particular, a single-layer or double-layer primary flame-retardant FRP glass fiber reinforced plastic daylighting plate can be adopted, so that indoor natural daylighting is increased.

In the utility model, rainwater on the rain shield 2 is converged into the gutter 6 at two sides, the bottom of the gutter 6 is provided with a hole, the hole is connected with the upper opening of the downpipe 7, and the water outlet of the downpipe 7 extends out of the side arc-shaped frame 1.6 to the roof of the factory building. In order to better drain, the upper end of the downpipe 7 falls vertically, no elbow is arranged, and a water outlet at the lower end of the downpipe 7 has a certain gradient, so that rainwater on the roof of the rain shield plate 2 is ensured to be smoothly discharged to the roof of a factory building.

In the utility model, the gutter 6 is made of FRP glass fiber reinforced plastic; the downpipe 7 is made of hard polyvinyl chloride plastic.

In the utility model, the main air duct is vertically and penetratingly arranged, and the gutter 6 is arranged outside the main air duct.

Preferably, a rain-proof sheet 8 is arranged above the air inlet 9, the rain-proof sheet 8 is obliquely arranged on a window frame above the rain-proof plate 2, and the lower end of the rain-proof sheet 8 is obliquely arranged towards the direction of the rain-proof plate 2.

In this embodiment, the design of the rain-proof sheet 8 can effectively prevent the outside rain and snow from drifting into the main air duct through the air outlet 10 and the air inlet 9.

Preferably, the sum of the distances a1 between the outer walls of the two side main air ducts and the inner wall of the wind deflector 3 (i.e., the sum of the widths of the two side air ducts) exceeds 76% of the width a2 of the main air duct; compared with the prior art, the design has the advantages that the width and the height of the side air channels are more sufficient, the effective ventilation width is more balanced, the size of the side air channels is more matched with that of the main air channel (the throat of the skylight), and the ventilation efficiency is higher.

In the utility model, skylight overhauling ladders 13 are arranged on gable walls 15 at two ends of the skylight, as shown in fig. 2.

In the utility model, the skylight frame 1 comprises a plurality of groups of longitudinally spaced skylight frame units, the spacing is 2.5-3.5 m, and adjacent skylight frame units are connected through longitudinal connecting steel pipes 12 to form a space structure.

Each group of skylight frame units comprises a lower upright 1.1, a top arc-shaped frame 1.5, a horizontal stay bar 1.3, an upper upright 1.4 and a side arc-shaped frame 1.6; the plurality of lower vertical rods 1.1 are arranged at two sides at intervals along the length direction of the main air duct, and the lower ends of the lower vertical rods 1.1 are connected with the roof panel 11 through supports; the upper end of the lower upright 1.1 is connected with a top arc-shaped frame 1.5;

the horizontal stay bars 1.3 are horizontally arranged at intervals along the height direction of the lower upright 1.1, the inner ends of the horizontal stay bars 1.3 are connected with the lower upright 1.1, and the outer ends of the horizontal stay bars 1.3 are connected with the side arc-shaped frames 1.6; the wind deflector 3 is arranged on the side arc-shaped frame 1.6;

the lower end of the upper upright 1.4 is fixed on a horizontal stay bar 1.3 on the upper layer, and the upper end of the upper upright 1.4 is connected with a side arc-shaped frame 1.6;

the upper ends of the lower upright rods 1.1 and the top arc-shaped frames 1.5 of the two adjacent skylight frame units are correspondingly connected through longitudinal connecting steel pipes 12 respectively; the rain shield 2 is arranged on the top arc-shaped frame 1.5 and the longitudinal connecting steel pipe 12.

In the utility model, the end part of the lower layer horizontal stay bar 1.3 is connected with the side arc-shaped frame 1.6 and the inclined reinforcing rod 1.11, and the upper end of the inclined reinforcing rod 1.11 is connected with the lower upright 1.1. The upper ends of the two side arc frames 1.6 are connected by a top connecting rod 1.10.

Preferably, the skylight frame unit is further provided with a horizontal connecting rod 1.7, a vertical connecting rod 1.8 and an inclined connecting rod 1.9; two ends of the horizontal connecting rod 1.7 are respectively connected with lower vertical rods 1.1 positioned at two sides of the end part of the skylight; two ends of the horizontal connecting rod 1.7 are respectively connected with an inclined connecting rod 1.9, the upper end of the inclined connecting rod 1.9 is connected with the top arc-shaped frame 1.5, and the horizontal connecting rod 1.7 and the two inclined connecting rods 1.9 form a triangle structure; the lower end of the vertical connecting rod 1.8 is connected with the inclined connecting rod 1.9, and the upper end of the vertical connecting rod 1 is connected with the top arc-shaped frame 1.5; and an oblique pull rod 181.2 is also arranged between the top arc-shaped frame 1.5 and the oblique connecting rod 1.9.

In the utility model, the telescopic motor 5 is arranged on the lower layer horizontal stay bar 1.3 of the skylight frame; the rain-proof sheet 8 is arranged on the upper upright 1.4 through a bracket 14.

In the utility model, each component of the skylight frame is a steel component; the junction of the skylight and the roof panel 11 is provided with a waterproof board 20.

Examples

Industrial plants often require a skylight that has a good natural ventilation effect, can be effectively closed in winter or under special conditions, and is low in maintenance cost. Roof ventilation skylight is including the sky window frame, and the arch weather shield 2 that adopts FRP glass steel to make is covered on the top arc frame of sky window frame, establishes the various board arc deep bead 33 of die mould on the lateral part arc frame of sky window frame for whole skylight appearance is smooth pleasing to the eye.

The skylight frame comprises a plurality of skylight frame units which are longitudinally arranged in groups, the distance between every two adjacent skylight frame units is about 3m, and the adjacent skylight frame units are connected through longitudinal connecting steel pipes 12 to form a space structure, so that the integral firmness and stability of the skylight are ensured. The rain shield 22 is supported by the skylight frame 1 and the longitudinal connecting steel pipe 12, the pressed color plate arc-shaped wind shield 33 is supported by the side arc-shaped frame of the skylight frame 1, and the front end or the rear end of the skylight is provided with the overhaul ladder 13.

The bottom of the skylight frame 1 is fixed on the roof of the industrial factory building, and the rain shield 2 can effectively prevent rain and snow from leaking and provide natural lighting for the factory building; an air outlet 10 is arranged above the rain shield 2, an air inlet 9 is arranged in a main air channel below the rain shield, a shutter assembly is arranged at the air inlet 9, and shutter 4 provides opening and closing power through a telescopic motor 5. And a rain-proof sheet 8 is arranged outside the skylight air outlet 10 to prevent rain and snow from drifting into the main air duct, so that the shutter assembly is ensured to be normally opened and closed, and the natural ventilation effect is ensured.

The working principle of the utility model is as follows:

when natural ventilation is needed in a factory building, the telescopic rods of the telescopic motor 5 extend to drive the transmission rods 19 to move towards the direction close to the air inlet 9, then the upper ends of the corresponding louver blades 4 are driven to synchronously rotate inwards around the rotating shafts 17 (at the moment, the louver blades 4 are close to a horizontal state) through the pull rods 18, the air inlet 9 is opened, indoor hot air enters the side air channel through the main air channel and then flows to the air outlet 10 through the air inlet 9, and finally the indoor hot air is discharged out of a room, so that the purpose of natural ventilation and cooling is achieved. When the skylight is required to be closed in winter or under special conditions, the telescopic rod of the telescopic motor 5 is retracted to drive the transmission rod 19 to move in a direction away from the air inlet 9, and then the upper ends of the corresponding louvers 4 are driven to synchronously and outwards rotate to be vertical around the rotating shaft 17 by the pull rods 18, so that the louvers 4 are spliced to form a valve plate and completely cover the air inlet 9, and the air inlet 9 is closed (at the moment, the adjacent louvers 4 are mutually overlapped to ensure the sealing effect).

The foregoing disclosure is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, as it is intended to cover all modifications, alternatives, and equivalents of the utility model as defined by the appended claims.

Claims

1. The roof ventilation skylight is characterized by comprising a skylight frame, a main air duct, a side air duct, a rain shield, a wind shield, an air inlet, a shutter assembly and an air outlet;

the plurality of groups of louver blades are sequentially arranged up and down along the air inlet, and the air inlet is completely covered when the plurality of groups of louver blades are spliced; the middle part of each louver blade is connected with a rotating shaft, the louver blades can turn around the rotating shaft, and the rotating shaft is fixed on the vertical rod of the main air duct side skylight rigid frame; the back of each louver blade is connected with a pull rod, the outer end of each pull rod is hinged with the same transmission rod, and the transmission rods are connected with the driving ends of the telescopic motors;

an air outlet communicated with the side air channel is formed between the upper part of the rain shield and the wind shield.

2. The roof ventilation skylight of claim 1, wherein the rain shield is an arcuate plate with a high middle and low sides.

3. The roof ventilation skylight of claim 2, wherein the lower ends of the two sides of the rain shield are provided with gutter, and the gutter is positioned outside the main air duct; the bottom of the gutter is connected with a downpipe, and the downpipe extends out from a gap between the lower end of the wind baffle and the outer side of the main air duct.

4. A roof ventilation skylight according to any one of claims 1 to 3, wherein a rain-proof sheet is arranged above the air inlet, the rain-proof sheet is obliquely arranged on a skylight frame above the rain-proof plate, and the lower end of the rain-proof sheet is obliquely arranged towards the direction of the rain-proof plate.

5. A roof ventilation skylight according to any one of claims 1 to 3, wherein the gable of the skylight is provided with a skylight access ladder.

6. The roof ventilation skylight of any one of claim 1, wherein the skylight frame comprises a plurality of longitudinally spaced apart sets of skylight frame units, adjacent skylight frame units being connected by longitudinally connected steel pipes to form a spatial structure.

7. The roof ventilation skylight of claim 6, wherein each set of skylight frame units includes a lower upright, an arcuate frame, a horizontal brace, and an upper upright; the plurality of lower upright rods are arranged on two sides at intervals along the length direction of the main air duct, and the lower ends of the lower upright rods are connected with the roof panel; the upper end of the lower upright rod is connected with a top arc-shaped frame;

8. The roof ventilation skylight of claim 7, wherein the skylight frame unit is further provided with horizontal, vertical and diagonal links; two ends of the horizontal connecting rod are respectively connected with lower vertical rods positioned at two sides of the end part of the skylight; two ends of the horizontal connecting rod are respectively connected with an inclined connecting rod, the upper end of the inclined connecting rod is connected with the top arc-shaped frame, and the horizontal connecting rod and the two inclined connecting rods form a triangular structure; the lower end of the vertical connecting rod is connected with the inclined connecting rod, and the upper end of the vertical connecting rod is connected with the top arc-shaped frame; and an oblique pull rod is further arranged between the top arc-shaped frame and the oblique connecting rod.

9. A roof ventilation skylight according to any one of claims 1 to 3, wherein the wind deflector is an arcuate plate.

10. A roof ventilation skylight according to claim 3, characterized in that the sum of the distances a1 between the outer walls of the main ducts on both sides and the inner wall of the wind deflector 3 exceeds 76% of the width a2 of the main duct; the height h1 of the skylight exceeds 83% of the width a2 of the main air duct.