CN212689337U

CN212689337U - Ventilation curtain wall system

Info

Publication number: CN212689337U
Application number: CN202021363054.1U
Authority: CN
Inventors: 黄成彪
Original assignee: Shenzhen Yilichao Industrial Co ltd
Current assignee: Shenzhen Yilichao Industrial Co ltd
Priority date: 2020-07-11
Filing date: 2020-07-11
Publication date: 2021-03-12
Anticipated expiration: 2030-07-11

Abstract

The utility model relates to a ventilation curtain wall system, it includes outer curtain, inlayer curtain, the ventilation chamber, inlayer curtain top and bottom are equipped with air exit and air intake respectively, be equipped with ventilation mechanism between outer curtain and the inlayer curtain, ventilation mechanism includes outer curtain upper portion, the fixed last window of taking a breath in lower part, the window of taking a breath down, the last ventilator and the lower ventilator of intracavity fixed mounting take a breath, go up the ventilator and locate between air exit and the last window of taking a breath, the lower ventilator is located between air intake and the lower window of taking a breath, be equipped with movable window on the inlayer curtain. The utility model discloses go up ventilator, lower ventilator and movable window and open, the outside cool and fast air gets into indoorly through lower ventilation window, air exchange cavity, movable window in proper order, and indoor filth enters the air exchange cavity by the movable window to discharge by last ventilation window, form the air flow from bottom to top, realize indoor natural draft take a breath, have the effect that improves indoor personnel's comfort level and reduce the electric power energy consumption and fall.

Description

Ventilation curtain wall system

Technical Field

The utility model belongs to the technical field of building curtain wall technique and specifically relates to a ventilation curtain wall system is related to.

Background

At present, more and more high-rise buildings adopt double-layer ventilation curtain walls, and a common double-layer curtain wall is formed by splicing all unit curtain wall modules from top to bottom and from left to right. The double-layer curtain wall is divided into an outer circulation system and an inner circulation system, the double-layer curtain wall is composed of an inner curtain wall and an outer curtain wall, a relatively closed air interlayer is formed between double-layer glass, heat exchange is continuously carried out between the double-layer glass and the outer surface of the inner curtain wall, superheated air in summer is discharged outdoors, solar heat energy is controlled and discharged indoors in winter, and the double-layer curtain wall has a good heat preservation and insulation effect.

The outer curtain wall of the inner circulation double-layer curtain wall is in a closed state formed by hollow glass and heat insulation sectional materials, the inner curtain wall is in an openable state formed by single-layer glass or single-layer aluminum alloy doors and windows, the bottom of the inner curtain wall is provided with an air inlet, the top of the inner curtain wall is provided with an air outlet, indoor dirty air enters an air space from the air inlet by utilizing mechanical ventilation means such as a central air conditioning system and the like to form a flowing air layer, then enters an air pipe in a ceiling from the air outlet to be discharged, and takes away partial radiant heat entering the room. When ventilation is carried out, air in the air interlayer and air exhausted indoors generate dynamic heat exchange, indoor heat loss is reduced, and heat preservation and insulation effects are enhanced.

At present, chinese utility model patent that bulletin number is CN202371839U discloses an inner loop formula curtain ventilation system, and it includes exhaust pipe, tuber pipe collector, hose, curtain tuber pipe, curtain fan, and the curtain fan is connected with the one end of exhaust pipe, and the other end and the tuber pipe collector of exhaust pipe are connected, and the tuber pipe collector is connected with the one end of hose, and the other end and the curtain tuber pipe of hose are connected. The curtain wall fan pumps the air of the ventilation interlayer into the suspended ceiling, and the air is mixed with the room return air and then returned to the air conditioner through the return air pipe of the air conditioning system, so that the heat transfer coefficient of the glass curtain wall is reduced, and the temperature difference between the inner surface temperature of the curtain wall and the indoor temperature is reduced.

The above prior art solutions have the following drawbacks: the outer curtain wall is in a closed state, an air conditioning system needs to be started to maintain the circulation of indoor air, natural ventilation cannot be achieved, the comfort level of indoor personnel is reduced, and the power consumption is increased.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a ventilation curtain system, it is provided with the mechanism that provides natural draft on outer curtain, realizes indoor natural draft and takes a breath, has the effect that improves indoor personnel's comfort level and reduce the electric power energy consumption and fall.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a ventilation curtain wall system, includes outer curtain, inlayer curtain, outer curtain with be formed with the air exchange chamber between the inlayer curtain, the top and the bottom of inlayer curtain are provided with air exit and air intake, its characterized in that respectively: the outer curtain wall with be provided with ventilation mechanism between the inlayer curtain wall, ventilation mechanism including respectively fixed set up in last ventilation window and lower ventilation window of outer curtain upper portion and lower part, fixed mounting in last ventilator and lower ventilator in the ventilation intracavity, go up the ventilator and locate the air exit with go up between the ventilation window, down the ventilator locate the air intake with under between the ventilation window, be provided with the movable window on the inlayer curtain wall.

By adopting the technical scheme, when the curtain wall system is externally closed, the upper ventilator, the lower ventilator and the movable window are closed, the gas in the ventilation cavity cannot overflow, the air conditioning system is started, and the indoor air sequentially passes through the air inlet, the ventilation cavity and the air outlet, so that forced air circulation from bottom to top is formed, and ventilation in an internal circulation mode is realized; if the outside air is fresh and cool, the upper ventilator, the lower ventilator and the movable window are opened at the moment, because the temperature of the air exchange cavity and the indoor air is higher than the outside, according to the hot pressing principle and the chimney effect of the air, the outside air sequentially enters the room through the lower air exchange window, the air exchange cavity and the movable window, indoor dirt enters the air exchange cavity through the movable window and is discharged through the upper air exchange window, natural air flow from bottom to top is formed, indoor natural ventilation and air exchange are achieved, the comfort level of indoor personnel is improved, switching between internal circulation and natural ventilation is achieved by opening and closing of the ventilator, and therefore the effect of reducing power energy consumption is achieved.

The present invention may be further configured in a preferred embodiment as: the movable window comprises a window frame and a movable sash, wherein the middle of the movable sash is fixedly connected with a rotating shaft connected with the window frame in a rotating mode, a sliding groove is formed in a panel of the movable sash, a clamping groove is formed in the inner bottom surface of the sliding groove, a supporting rod is arranged between the movable sash and the window frame, the lower end of the supporting rod is hinged to the window frame, the upper end of the supporting rod is fixedly connected with a sliding slider of the sliding groove, and the sliding slider is connected with the clamping groove in a clamping mode.

By adopting the technical scheme, when the movable window needs to be opened, a user only needs to push the lower part of the movable fan outwards, the movable fan rotates around the rotating shaft, the sliding block slides along the sliding groove at the moment, the supporting rod rotates along with the movement of the sliding block, when the sliding block slides to the clamping groove position, the movable fan rotates downwards under the action of gravity, the sliding block is clamped into the clamping groove at the moment, and the limiting action of the clamping groove on the sliding block enables the supporting rod to stably support the movable fan so as to maintain the movable fan in an opened state; because the air flows from bottom to top during natural ventilation, one side in the opened movable fan is higher than one side outside, so that the natural wind is guided, the natural wind can enter and flow out of the room, and the natural ventilation effect is enhanced.

The present invention may be further configured in a preferred embodiment as: the inner side of the upper part of the movable fan and the outer side of the lower part of the movable fan are fixedly connected with limit baffles; the window frame is provided with a groove for accommodating the limiting baffle, and a sealing strip tightly abutted to the limiting baffle is fixedly arranged in the groove.

By adopting the technical scheme, when the movable fan is closed, the limit baffle rotates into the groove along with the movable fan, and the groove blocks the limit baffle, so that the movable fan is prevented from rotating excessively, and the movable window is ensured to be normally closed; the sealing strips are tightly abutted to the limiting baffle plates, so that the sealing performance of the movable fan is guaranteed, the air tightness of the air exchange cavity is guaranteed, and when sunlight irradiates in winter, the air exchange cavity forms a closed greenhouse and plays a role in natural heat preservation.

The present invention may be further configured in a preferred embodiment as: be equipped with the locking Assembly on the activity window, the locking Assembly including fixed set up in blend stop, fixed mounting on the window frame inside wall the turning block on the inside wall of activity fan and rotate connect in the rotation handle of turning block tip, it is close to rotate the handle the lateral wall of activity fan with the blend stop supports tightly.

By adopting the technical scheme, when the movable window is closed, the barrier strip is positioned between the rotating handle and the movable sash, and the rotating handle is tightly abutted against the barrier strip, so that the movable sash is locked on the window frame; when the movable window needs to be opened, a user only needs to rotate the rotating handle to enable the rotating handle to rotate around the axis of the rotating block, and the movable fan can be opened by continuously pushing the rotating handle outwards after the rotating handle is separated from the barrier strip.

The present invention may be further configured in a preferred embodiment as: and a flexible cushion block is fixedly arranged on the inner side wall of the outer curtain wall, and the flexible cushion block is abutted against the lower part of the limiting baffle.

Through adopting above-mentioned technical scheme, flexible cushion adopts silica gel to make, and the silica gel texture is soft and have elasticity, and flexible cushion conflicts with spacing lower part baffle, leads to damaging with outer glass contact when preventing that the movable fan from rotating to play the effect of protection movable fan and outer glass.

The present invention may be further configured in a preferred embodiment as: the upper ventilating window and the lower ventilating window are internally provided with ventilating shutters at intervals, the ventilating shutters are obliquely arranged, and one end of the ventilating shutters, which is close to the ventilating cavity, is higher than the other end of the ventilating shutters.

Through adopting above-mentioned technical scheme, rainy day, the ventilation tripe that the slope set up blocks the rainwater formation for the rainwater flows along this inclined plane toward low direction, prevents that the rainwater from getting into the ventilation chamber by last ventilation window and lower ventilation window, has played the effect that keeps off the rain, and has guaranteed that rainy day also can keep indoor natural draft.

The present invention may be further configured in a preferred embodiment as: go up the ventilator with the downside of ventilator all is fixed and is provided with vertical buckled plate down, the buckled plate adopts super micropore sound absorbing material to make.

By adopting the technical scheme, the airflow noise is inevitably generated in the process of passing through the curtain wall system, and when the air flows through the corrugated plate, the sound wave of the airflow noise is reduced by repeated reflection of the corrugated plate, so that the noise reduction effect is achieved; the corrugated plate is made of ultra-microporous sound-absorbing materials, the ultra-microporous sound-absorbing materials have an ultra-microporous structure, and sound absorption is achieved through micropore resonance, so that the sound absorption performance is good, and the noise reduction effect is improved.

The present invention may be further configured in a preferred embodiment as: and guide plates for guiding air to flow are fixedly arranged at the upper end and the lower end of the air exchange cavity.

Through adopting above-mentioned technical scheme, during the natural ventilation, the guide plate of taking a breath the chamber lower extreme gets into the chamber of taking a breath with the outside air water conservancy diversion, and the guide plate of taking a breath the chamber upper end will take a breath the air water conservancy diversion in the chamber and discharge, avoids the tip in chamber of taking a breath to produce the whirl, is favorable to the natural flow of gas from bottom to top to this reaches better ventilation effect.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the upper ventilator, the lower ventilator and the movable window are opened, the fresh and cool air outside enters the room through the lower ventilator, the air exchange cavity and the movable window in sequence, indoor dirty air enters the air exchange cavity through the movable window and is discharged through the upper ventilator, air flow from bottom to top is formed, indoor natural ventilation is achieved, the comfort level of indoor personnel is improved, and the power consumption is reduced;

2. one side of the opened movable fan in the room is higher than one side of the opened movable fan in the room, and the inclined movable fan guides natural wind, so that the natural wind can enter and flow out of the room, and the natural ventilation effect is enhanced;

3. when the movable fan is closed, the limiting baffle is positioned in the groove and is tightly abutted to the sealing strip, the sealing performance of the movable fan is guaranteed, the air tightness of the air exchange cavity is guaranteed, and when sunlight irradiates in winter, the air exchange cavity forms a closed greenhouse and plays a role in natural heat preservation.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the movable window in the embodiment.

Fig. 4 is a schematic structural view of the support rod in the embodiment.

Reference numerals: 1. an aluminum alloy frame; 11. a partition plate; 12. an inner curtain wall; 121. an air inlet; 122. an air outlet; 13. an outer curtain wall; 131. a flexible cushion block; 14. an air exchange cavity; 141. a corrugated plate; 142. a baffle; 21. an upper ventilation window; 211. ventilating shutters; 22. a lower ventilation window; 23. an upper ventilator; 24. a lower ventilator; 3. a movable window; 31. a window frame; 311. a groove; 312. a sealing strip; 32. a movable fan; 321. a rotating shaft; 322. a chute; 323. a card slot; 33. a support bar; 331. a slider; 34. a limit baffle; 4. a locking assembly; 41. blocking strips; 42. rotating the block; 43. the handle is rotated.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a ventilation curtain wall system, including aluminum alloy frame 1, inner curtain wall 12, outer curtain wall 13, ventilation mechanism, movable window 3 and locking Assembly 4. The aluminum alloy frame 1 is a cubic frame structure and is fixedly arranged on a wall body. The inner curtain wall 12 and the outer curtain wall 13 are both rectangular plate-shaped, the inner curtain wall 12 is made of toughened glass, the outer curtain wall 13 is made of LOE-E hollow glass, and the inner curtain wall 12 and the outer curtain wall 13 are fixedly mounted on the inner side and the outer side of the aluminum alloy frame 1 respectively.

Referring to fig. 1, a ventilation cavity 14 is formed between an inner curtain wall 12 and an outer curtain wall 13, a partition plate 11 is arranged at the end of the ventilation cavity 14, and the partition plate 11 is of a rectangular plate-shaped structure and is horizontally arranged and fixedly connected with an aluminum alloy frame 1. Referring to fig. 2, the top and the bottom of the inner curtain wall 12 are respectively provided with an air outlet 122 and an air inlet 121, and openings of the air outlet 122 and the air inlet 121 are rectangular and are communicated with the ventilation cavity 14. The air outlet 122 leads to the ceiling and is communicated with an air conditioning system, and the air inlet 121 is communicated with the indoor.

Referring to fig. 1, the ventilation mechanism includes an upper ventilation window 21, a lower ventilation window 22, an upper ventilator 23, and a lower ventilator 24. The upper ventilating window 21 and the lower ventilating window 22 are both rectangular frame-shaped structures, and the upper ventilating window 21 and the lower ventilating window 22 are respectively and fixedly arranged at the upper part and the lower part of the outer curtain wall 13. Four ventilation louvers 211 are fixedly arranged on the inner side walls of the upper ventilation window 21 and the lower ventilation window 22, the ventilation louvers 211 are rectangular sheet-shaped structures, the length direction of the ventilation louvers 211 is consistent with the length direction of the ventilation cavity 14, and the four ventilation louvers 211 are distributed at equal intervals. The ventilation louver 211 is obliquely arranged, and one end of the louver 211 close to the ventilation cavity 14 is higher than the other end of the louver, so that rainwater is prevented from entering the ventilation cavity 14 and the effect of keeping off the rain is achieved.

Referring to fig. 1, the upper ventilator 23 and the lower ventilator 24 are conventional electric ventilators, and are fixedly installed in the ventilation chamber 14. The upper ventilator 23 is arranged between the air outlet 122 and the upper ventilating window 21, and the lower ventilator 24 is arranged between the air inlet 121 and the lower ventilating window 22. When the upper ventilator 23 and the lower ventilator 24 are closed, the ventilation cavity 14 is in a closed state, and the air conditioning system is started to enable indoor air to sequentially pass through the air inlet 121, the ventilation cavity 14 and the air outlet 122, so that forced air circulation from bottom to top is formed to realize internal circulation ventilation of the ventilation curtain wall.

Referring to fig. 2, the movable window 3 is installed on the inner curtain wall 12, and the movable window 3 includes a window frame 31 and a movable sash 32. The inner curtain wall 12 is provided with a mounting hole, and the opening of the mounting hole is rectangular. The window frame 31 is a rectangular frame-like structure, and is fixedly mounted in the mounting hole. The movable sash 32 is rectangular and is composed of tempered glass and a fixed frame which fixes the peripheral side of the tempered glass. Referring to fig. 3, a rotating shaft 321 is fixedly connected to the middle of the movable fan 32, and the rotating shaft 321 is cylindrical. The number of the rotating shafts 321 is two, and the two rotating shafts 321 are distributed at two sides of the movable fan 32, and the axes thereof are overlapped.

Referring to fig. 2, a support rod 33 is disposed between the movable sash 32 and the window frame 31, the support rod 33 is a rod with a rectangular cross section, one end of the support rod is hinged to the inner sidewall of the window frame 31, and the other end is hinged to a slider 331. Referring to fig. 4, the sliding block 331 is a block structure with a convex cross section, a sliding slot 322 is disposed on the panel of the movable sash 32, the cross section of the sliding slot 322 is convex, and the sliding block 331 is located in the sliding slot 322 and slidably fits with the sliding slot 322. A clamping groove 323 is formed in the inner bottom surface of the sliding groove 322, the clamping groove 323 is formed in the lower end of the sliding groove 322, and an opening of the clamping groove 323 is rectangular. When the lower portion of the movable sash 32 is pushed outward, the movable sash 32 rotates around the rotating shaft 321, the sliding block 331 slides along the sliding slot 322 and is clamped in the clamping slot 323, and at this time, the support rod 33 forms a stable support for the movable sash 32, so that the movable window 3 maintains an open state.

Referring to fig. 1, a flexible cushion block 131 is fixedly arranged on the inner side wall of the outer curtain wall 13, and the flexible cushion block 131 is a rectangular block-shaped structure and is made of silica gel. When the movable window 3 is in an open state, the flexible cushion block 131 is abutted against the lower end of the limit baffle 34, so that the movable sash 32 is prevented from being damaged due to contact with outer glass when rotating. If the outside air is fresh and cool, the upper ventilator 23, the lower ventilator 24 and the movable window 3 are opened, the outside air sequentially passes through the lower ventilating window 22, the air exchanging cavity 14 and the movable window 3 to enter the room, indoor dirt enters the air exchanging cavity 14 from the movable window 3 and is discharged from the upper ventilating window 21, and therefore natural air flow from bottom to top is formed, and indoor natural ventilation is achieved.

Referring to fig. 3, the movable fan 32 is provided with a limit baffle 34, and the limit baffle 34 is in a U-shaped plate shape and is attached and fixedly connected to the plate surface of the movable fan 32. The two limit baffles 34 are respectively arranged on the inner side of the upper part of the movable fan 32 and the outer side of the lower part of the movable fan, and the openings of the two limit baffles are all towards the rotating shaft 321. The lower part of the window frame 31 close to the ventilation cavity 14 and the upper part of the window frame 31 close to the indoor side are both provided with grooves 311, and the inner walls of the grooves 311 are fixedly connected with sealing strips 312. The sealing strip 312 is made of rubber, and the sealing strip 312 has a U-shape. When the movable window 3 is closed, the limit baffle 34 is positioned in the groove 311 and is tightly abutted to the sealing strip 312, the limit baffle 34 prevents the movable fan 32 from excessively rotating, and the sealing strip 312 ensures the sealing performance of the movable fan 32, so that the air tightness of the air exchanging cavity 14 is ensured.

Referring to fig. 2, the locking assembly 4 includes a bar 41, a turning block 42, and a turning handle 43. The barrier strip 41 is a rectangular plate-shaped structure and is fixedly connected with the side wall of the window frame 31 close to the indoor side. The rotating block 42 is cylindrical, one end of which is fixedly connected with the panel of the movable fan 32, and the other end is rotatably connected with the rotating handle 43. The lower portion of the rotating handle 43 is a rectangular plate, the middle portion thereof is S-shaped, and the upper portion thereof extends toward the side away from the movable fan 32. When the movable window 3 is closed, the barrier strip 41 is positioned between the rotating handle 43 and the movable sash 32, and the rotating handle 43 is tightly abutted against the barrier strip 41, so that the movable sash 32 is locked on the window frame 31; when the movable window 3 needs to be opened, the user rotates the rotating handle 43 to disengage the barrier 41, and then pushes the rotating handle 43 outward to open the movable sash 32.

Referring to fig. 1, corrugated plates 141 are fixedly disposed on the lower sides of the upper ventilator 23 and the lower ventilator 24, the corrugated plates 141 are corrugated, are made of ultra-microporous sound-absorbing material, and have an ultra-microporous structure, in this embodiment, an aluminum alloy honeycomb plate is used, and the corrugated plates 141 are vertically disposed. The air flow in the ventilation cavity 14 enters the upper ventilator 23 and the lower ventilator 24 from between the corrugated plates 141, and the noise of the air flow is absorbed and reduced by the corrugated plates 141, so that the noise reduction effect is achieved. The upper end and the lower end of the ventilation cavity 14 are both fixedly provided with guide plates 142, and the cross sections of the guide plates 142 are circular arc-shaped. Two ends of the guide plate 142 positioned at the lower end of the ventilation cavity 14 are respectively tangent and fixedly connected with the top surface of the partition plate 11 and the outer side wall of the inner curtain wall 12 so as to guide the external air into the ventilation cavity 14; the two ends of the guide plate 142 at the upper end of the ventilation cavity 14 are respectively tangent and fixedly connected with the bottom surface of the partition plate 11 and the outer side wall of the inner curtain wall 12 so as to guide and discharge the air in the ventilation cavity 14, which is beneficial to the natural flow of the air from bottom to top and enhances the natural ventilation effect.

The implementation principle of the embodiment is as follows: the upper ventilator 23, the lower ventilator 24 and the movable window 3 are opened, fresh, cool and fast outside air sequentially enters the room through the lower ventilating window 22, the air exchanging cavity 14 and the movable window 3, indoor dirt enters the air exchanging cavity 14 through the movable window 3 and is discharged through the upper ventilating window 21, air flow from bottom to top is formed, indoor natural ventilation is achieved, the comfort degree of indoor personnel is improved, and electric power consumption is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a ventilation curtain wall system, includes outer curtain wall (13), inlayer curtain wall (12), outer curtain wall (13) with be formed with air exchange cavity (14) between inlayer curtain wall (12), the top and the bottom of inlayer curtain wall (12) are provided with air exit (122) and air intake (121) respectively, its characterized in that: a ventilation mechanism is arranged between the outer curtain wall (13) and the inner curtain wall (12), the ventilation mechanism comprises an upper ventilation window (21) and a lower ventilation window (22) which are respectively and fixedly arranged at the upper part and the lower part of the outer curtain wall (13), an upper ventilator (23) and a lower ventilator (24) which are fixedly arranged in the ventilation cavity (14), the upper ventilator (23) is arranged between the air outlet (122) and the upper ventilation window (21), the lower ventilator (24) is arranged between the air inlet (121) and the lower ventilation window (22), and a movable window (3) is arranged on the inner curtain wall (12).

2. A ventilated curtain wall system according to claim 1, wherein: activity window (3) are including window frame (31) and activity fan (32), the middle part fixedly connected with of activity fan (32) with window frame (31) rotate pivot (321) of connecting, spout (322) have been seted up on the panel of activity fan (32), draw-in groove (323) have been seted up on the interior bottom surface in spout (322), activity fan (32) with be provided with bracing piece (33) between window frame (31), the lower extreme of bracing piece (33) with window frame (31) are articulated, the upper end fixedly connected with of bracing piece (33) with spout (322) complex slider (331) slides, slider (331) with draw-in groove (323) joint.

3. A ventilated curtain wall system according to claim 2, wherein: the inner side of the upper part and the outer side of the lower part of the movable fan (32) are fixedly connected with limit baffles (34); the window frame (31) is provided with a groove (311) for accommodating the limiting baffle (34), and a sealing strip (312) tightly abutted to the limiting baffle (34) is fixedly arranged in the groove (311).

4. A ventilated curtain wall system according to claim 3, wherein: be equipped with locking Assembly (4) on activity window (3), locking Assembly (4) including fixed set up in blend stop (41), fixed mounting in on window frame (31) inside wall turning block (42) on the inside wall of activity fan (32) and rotate connect in turning block (42) tip rotate handle (43), it is close to rotate handle (43) the lateral wall of activity fan (32) with blend stop (41) support tightly.

5. A ventilated curtain wall system according to claim 3, wherein: and a flexible cushion block (131) is fixedly arranged on the inner side wall of the outer curtain wall (13), and the flexible cushion block (131) is abutted against the lower part of the limiting baffle (34).

6. A ventilated curtain wall system according to claim 1, wherein: the upper ventilating window (21) and the lower ventilating window (22) are internally provided with ventilating shutters (211) at intervals, the ventilating shutters (211) are obliquely arranged, and one end of each ventilating shutter close to the ventilating cavity (14) is higher than the other end of each ventilating shutter.

7. A ventilated curtain wall system according to claim 1, wherein: the lower sides of the upper ventilator (23) and the lower ventilator (24) are respectively fixedly provided with a vertical corrugated plate (141), and the corrugated plates (141) are made of ultramicropore sound-absorbing materials.

8. A ventilated curtain wall system according to claim 1, wherein: and guide plates (142) for guiding air to flow are fixedly arranged at the upper end and the lower end of the air exchanging cavity (14).