An intelligent building information ventilation device

Abstract

The present invention provides an intelligent building information ventilation device, wherein the width of a first lining plate is greater than that of a second lining plate by 2‑4 cm, the first lining plate and the second lining plate are respectively swung at the lower end of a horizontal plate by a rotating sphere, the first lining plate and the second lining plate are matched with multiple groups at the lower end of the horizontal plate, the interiors of the first lining plate and the second lining plate are hollow, the weights of the first lining plate and the second lining plate are both less than 2 g, and the inclined arm is arranged at an angle of 45°, the inclined arm can assist the second lining plate to swing toward a side close to the inside of a ventilator. At this time, the interval between the first lining plate and the second lining plate is increased, so that the air inside the ventilator is conveniently discharged to the outside, so that the ventilation device can prevent external dust from entering the inside of the ventilation device when it is stopped, and when the motor is turned on, the wind force generated by the high-speed rotation of the fan blades can achieve the effect of normal ventilation.

Description

Technical Field

[0001] The invention relates to the technical field of intelligent buildings, and in particular to an information-based ventilation device for intelligent buildings. Background Art

[0002] Intelligent buildings are the product of modern science and technology. Their technical foundation is mainly composed of modern construction technology, modern computer technology, modern communication technology and modern control technology. Modern buildings need to ventilate and exhaust the air inside the building through ventilation devices. Ventilation devices use mechanical or natural methods to send enough fresh air into the indoor space, and at the same time exhaust the dirty air that does not meet the hygienic requirements in the room, so that the indoor air of intelligent buildings meets the hygienic requirements. Technical inspiration for ventilation devices;

[0003] Research on ventilation devices found the following problems:

[0004] The ventilation device usually uses a motor to drive the blades to rotate for ventilation. Since one end of the ventilation device is connected to the indoors and the other end is connected to the outdoors, and the intelligent building uses the ventilation device through intelligent control, when the ventilation device is stopped, external dust can easily enter the ventilation device through the air outlet at the outdoor end of the ventilation device, causing dust to cover the surface of the blades, so that the ventilation device cannot prevent external dust from entering the interior when it is stopped;

[0005] At present, CN201710203399.7 in the prior art discloses an intelligent building information ventilation system, which discloses a ventilator. The second support frame of the invention is provided with an air heater on the side away from the first support frame, and the air heater is provided with a temperature sensor on the side away from the second support frame. The air heater is provided with a wind speed sensor on the side away from the temperature sensor, and also includes a controller, which can provide an evaluation standard for whether the filter needs to be cleaned, can automatically clean the filter, can reduce the labor intensity of the staff, and can ensure the air quality in the building;

[0006] The present invention can mainly solve the problem that the ventilation device cannot prevent external dust from entering the interior when the device is not in use. Summary of the invention

[0007] In order to solve the above technical problems, the present invention provides an intelligent building information ventilation device to solve the problems described in the above background technology.

[0008] The purpose and efficacy of the intelligent building information ventilation device of the present invention are achieved by the following specific technical means: an intelligent building information ventilation device, including a ventilator, a motor is provided inside the ventilator, a fan blade is rotated at one end of the motor, a rotating shaft is hinged at the air outlet of the ventilator, and a horizontal plate is swinging on the inner side of the rotating shaft.

[0009] Furthermore, the motor is connected to the power supply circuit via a power supply line, the motor drives the fan blades to rotate 360 ​​degrees, and the motor is connected to an external controller via wires.

[0010] Furthermore, the motor is connected to an external controller via wires, and the controller is connected to a central control panel and a sensor circuit in turn. The central control panel, the external controller and the sensor are all arranged inside the intelligent building, and the sensor is an air quality sensor.

[0011] Furthermore, the interior of the fan blade is hollow, and a striking component is provided inside the fan blade to prevent dust from accumulating on the surface of the fan blade.

[0012] Furthermore, the rotating shaft and the horizontal plate are matched with each other, the weight of the horizontal plate is less than 10g, the horizontal plate and the rotating shaft are arranged vertically on the surface of the fan, and the horizontal plate swings obliquely on the surface of the fan through the rotating shaft.

[0013] Furthermore, the lower end of the horizontal plate is hinged with a rotating sphere, and the lower end of the rotating sphere is respectively swung with a first lining plate and a second lining plate, the upper end of the horizontal plate close to the fan side is penetrated by a filter layer, the sides of the first lining plate and the second lining plate are hinged with universal shafts, and an inclined arm is swung between the universal shafts.

[0014] Furthermore, the width of the first lining plate is 2-4 cm greater than the width of the second lining plate. The first lining plate and the second lining plate are swung at the lower end of the horizontal plate through a rotating ball respectively. The first lining plate and the second lining plate are matched with multiple groups at the lower end of the horizontal plate. The interiors of the first lining plate and the second lining plate are hollow, and the weight of the first lining plate and the second lining plate are both less than 2 g.

[0015] Furthermore, the rotating sphere is arranged in a spherical shape, and the rotating sphere is arranged at the lower end of the filter layer, and the filter layer is made of air filter material, such as polyester fiber material.

[0016] Furthermore, the universal joint is located on one side of the lower end of the first lining plate, the universal joint is located on one side of the upper end of the second lining plate, the oblique arm is located between every two universal joints, the oblique arm is inclined at 45°, and the oblique arm swings at an angle between the first lining plate and the second lining plate through the universal joint.

[0017] Furthermore, the striking assembly includes a hanging rope, a base plate, a bracket, a sliding frame and a ball bearing. The hanging rope is hung on both sides of the inside of the fan blade, the base plate swings on one end of the hanging rope, the bracket is arranged on both sides of the base plate, the sliding frame slides on the inner side of the bracket, and the ball bearing rolls on the inner side of the base plate.

[0018] Furthermore, the bottom plate passes through the interior of the fan blade, the side of the bottom plate is arranged in a "V" shape, the suspension ropes are at both ends of one side of the bottom plate, the width of the bottom plate is 2-4 cm smaller than the internal width of the fan blade, and a groove is opened at one end of the bottom plate, and the ball rolls inside the groove.

[0019] Furthermore, the bracket is arranged in a transverse concave shape, tracks are provided on both sides of the bracket, the sliding frame is slidably nested inside the track of the bracket, the sliding frame is arranged in a "V" shape, and the sliding frame slides and squeezes on both sides of the inner wall of the fan blade. Beneficial Effects

[0020] 1. The air quality sensor is used through the sensor. The sensor senses the air quality inside the smart building. When it senses that the air is turbid, it transmits the information to the central control panel. The central control panel processes the information and sends the command to the controller. The controller controls the motor to start, and the motor drives the fan blades to rotate, so that this ventilation device can form the effect of intelligent information ventilation control.

[0021] 2. The weight of the horizontal plate is less than 10g, and the horizontal plate and the fan blades are on the same horizontal line. When the fan blades rotate, wind is generated, and the wind is blown to one side of the horizontal plate, the first lining plate and the second lining plate at the same time. The horizontal plate swings upward through the rotating shaft. At this time, a gap is generated at the air outlet of the fan, which facilitates the discharge of air inside the ventilation device through the gap between the horizontal plates.

[0022] 3. The first lining plate and the second lining plate are matched with multiple groups at the lower end of the horizontal plate. When the motor stops running, the fan blades cannot rotate. At this time, the first lining plate, the second lining plate and the horizontal plate cannot be tilted at an angle. The first lining plate, the second lining plate and the horizontal plate can form a seal for the air outlet of the fan to prevent external dust from falling onto the surface of the fan blades through the air outlet.

[0023] 4. The width of the first lining plate is 2-4 cm greater than the width of the second lining plate, so the contact area of ​​the first lining plate near one end of the fan blade is larger than that of the second lining plate, so that when the fan blade rotates, the wind is blown to one side of the first lining plate, thereby driving the first lining plate to swing at an angle, and the universal shaft is located on one side of the lower end of the first lining plate, and the universal shaft is located on one side of the upper end of the second lining plate. When the first lining plate swings toward the upper outside of the fan due to the wind force generated by the rotation of the fan blade, the inclined arm on one side of the first lining plate swings upward synchronously, and the other end of the inclined arm swings synchronously. At this time, the inclined arm is set at an angle of 45°, and the inclined arm can assist the second lining plate to swing toward the side close to the inside of the fan. At this time, the interval between the first lining plate and the second lining plate is increased, which facilitates the discharge of air inside the fan to the outside, so that the ventilation device can avoid external dust from entering the inside of the ventilation device when it is stopped, and when the motor is turned on, the wind force generated by the high-speed rotation of the fan blades is used to achieve the effect of normal ventilation.

[0024] 5. When the fan blades are driven by the motor to rotate at a high speed, the position of the fan blades on one side of the motor is continuously moved. By utilizing the continuous movement of the position of the fan blades and the fact that the width of the bottom plate is 2-4 cm smaller than the internal width of the fan blades, the bottom plate at one end of the inner wall of the fan blades can be horizontally tilted and swung on the inner wall of the fan blades through the hanging rope.

[0025] 6. When the base plate shakes, the auxiliary bracket swings synchronously. At this time, the sliding bracket inside the bracket slides left and right on the inside of the bracket. The sliding bracket hits the inner wall of the fan blade when sliding. The fan blade vibrates when the sliding bracket hits the inner wall of the fan blade, thereby assisting the dust on the surface of the fan blade to fall off, thereby avoiding the accumulation of dust on the surface of the fan blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0027] Figure 2 It is a schematic diagram of the local structure of the ventilator of the present invention.

[0028] Figure 3 It is a schematic diagram of the information ventilation process of the present invention.

[0029] Figure 4 It is a schematic diagram of the back structure of the horizontal plate of the present invention.

[0030] Figure 5 It is a schematic diagram of the swing structure of the first lining plate of the present invention.

[0031] Figure 6 It is a schematic diagram of the local structure of the ventilator of the present invention.

[0032] Figure 7 It is a schematic diagram of the local structure of the fan blade of the present invention.

[0033] Figure 8 It is a schematic diagram of the structure of the base plate assembly of the present invention.

[0034] Figure 1-8 In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0035] 1-ventilator, 101-blade, 102-motor, 2-transverse plate, 201-first lining plate, 202-second lining plate, 203-rotating shaft, 204-filter layer, 205-rotating sphere, 3-universal shaft, 301-inclined arm, 4-suspension rope, 401-bottom plate, 402-bracket, 403-sliding frame, 404-ball bearing. Implementation

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Example

[0037] As attached Figure 1 To Attachment Figure 8 As shown:

[0038] Embodiment 1: An intelligent building information ventilation device includes a ventilator 1, a motor 102 is provided inside the ventilator 1, a fan blade 101 is rotated at one end of the motor 102, a rotating shaft 203 is hinged at the air outlet of the ventilator 1, and a horizontal plate 2 is swinging inside the rotating shaft 203;

[0039] Wherein: the ventilator 1 and the motor 102, the motor 102 is connected to the power supply circuit through the power line, the motor 102 drives the fan blade 101 to rotate 360 ​​degrees, and the motor 102 is connected to the external controller through the wire;

[0040] Reference Manual Attached Figure 3 As shown, the motor 102 is connected to the external controller through wires, and the controller is connected to the central control panel and the sensor loop in turn, and the central control panel, the external controller and the sensor are all arranged inside the intelligent building, and the sensor adopts an air quality sensor;

[0041] The fan blade 101 is hollow inside and has a striking component inside to prevent dust from accumulating on the surface of the fan blade 101;

[0042] The horizontal plate 2 and the rotating shaft 203 are matched with the horizontal plate 2. The weight of the horizontal plate 2 is less than 10g. The horizontal plate 2 and the rotating shaft 203 are arranged vertically on the surface of the ventilator 1. The horizontal plate 2 is tilted and swung on the surface of the ventilator 1 through the rotating shaft 203.

[0043] The weight of the horizontal board 2 is less than 10g. Figure 2 As shown, the horizontal plate 2 and the fan blades 101 are on the same horizontal line, and the fan blades 101 generate wind force when rotating, so as to avoid the situation that the fan blades 101 cannot assist the horizontal plate 2 to swing at an angle through the rotating shaft 203 due to the heavy weight of the horizontal plate 2;

[0044] Wherein: an air quality sensor is used through a sensor, the sensor senses the air quality inside the intelligent building, and transmits the information to the central control panel when sensing air turbidity, the central control panel processes the information and sends a command to the inside of the controller, the controller controls the motor 102 to start, and the motor 102 drives the fan blade 101 to rotate, so that the ventilation device can form an effect of intelligent information ventilation control;

[0045] Example 2: Refer to the attached manual Figure 1-5It can be seen that the difference between Example 2 and Example 1 is that the lower end of the horizontal plate 2 is hinged with a rotating sphere 205, and the lower end of the rotating sphere 205 is respectively swung with a first lining plate 201 and a second lining plate 202, and the upper end of the horizontal plate 2 close to the fan 1 is penetrated by a filter layer 204, and the side surfaces of the first lining plate 201 and the second lining plate 202 are both hinged with a universal shaft 3, and an inclined arm 301 is swung between the universal shafts 3;

[0046] Wherein: the first lining plate 201 and the second lining plate 202, the width of the first lining plate 201 is greater than the width of the second lining plate 202 by 2-4 cm, the first lining plate 201 and the second lining plate 202 are respectively swung at the lower end of the horizontal plate 2 through the rotating ball 205, the first lining plate 201 and the second lining plate 202 are matched with multiple groups at the lower end of the horizontal plate 2, the interior of the first lining plate 201 and the second lining plate 202 are hollow, and the weight of the first lining plate 201 and the second lining plate 202 is less than 2g;

[0047] The first lining plate 201 and the second lining plate 202 are hollow inside, and the weight of the first lining plate 201 and the second lining plate 202 are both less than 2g, so that the wind can be blown to one side of the first lining plate 201 when the fan blade 101 rotates, and then the first lining plate 201 can be swung upward by the rotating sphere 205, so as to avoid the situation that the wind generated by the rotation of the fan blade 101 cannot assist the swing of the first lining plate 201 due to the heavy first lining plate 201;

[0048] The width of the first lining plate 201 is 2-4 cm greater than the width of the second lining plate 202. Therefore, the contact area of ​​the first lining plate 201 near the fan blade 101 is larger than that of the second lining plate 202, which facilitates the wind to blow to one side of the first lining plate 201 when the fan blade 101 rotates, thereby driving the first lining plate 201 to swing at an angle. Figure 5 As shown;

[0049] Reference Manual Attached Figure 1 As shown, the first lining plate 201 and the second lining plate 202 are matched with multiple groups at the lower end of the horizontal plate 2. When the motor 102 stops running, the fan blade 101 cannot rotate. At this time, the first lining plate 201, the second lining plate 202 and the horizontal plate 2 cannot be tilted at an angle. The first lining plate 201, the second lining plate 202 and the horizontal plate 2 can form a seal on the air outlet of the ventilator 1 to prevent external dust from falling onto the surface of the fan blade 101 through the air outlet;

[0050] The rotating sphere 205 and the filter layer 204, the rotating sphere 205 is arranged in a spherical shape, and the rotating sphere 205 is arranged at the lower end of the filter layer 204, and the filter layer 204 is an air filter material, such as a polyester fiber material;

[0051] The filter layer 204 is made of air filter material, such as polyester fiber material, and the filter layer 204 can be used to filter the air inside the ventilation device when the horizontal plate 2 swings;

[0052] A universal shaft 3, the universal shaft 3 is located at one side of the lower end of the first lining plate 201, the universal shaft 3 is located at one side of the upper end of the second lining plate 202, an oblique arm 301 is located between every two universal shafts 3, the oblique arm 301 is arranged at an angle of 45 degrees, and the oblique arm 301 swings at an angle between the first lining plate 201 and the second lining plate 202 through the universal shaft 3;

[0053] By using the universal shaft 3 being located at one side of the lower end of the first lining plate 201 and the universal shaft 3 being located at one side of the upper end of the second lining plate 202, when the first lining plate 201 swings toward the upper outside of the ventilator 1 due to the wind force generated by the rotation of the fan blades 101, the inclined arm 301 on one side of the first lining plate 201 swings upward synchronously, and the other end of the inclined arm 301 swings synchronously. At this time, the inclined arm 301 is set at an angle of 45 degrees, and the inclined arm 301 can assist the second lining plate 202 to swing toward the inner side of the ventilator 1. Figure 5 As shown;

[0054] Wherein: the weight of the horizontal plate 2 is less than 10g, the horizontal plate 2 and the fan blades 101 are at the same horizontal line, and the fan blades 101 generate wind force when rotating, and the wind force blows to one side of the horizontal plate 2, the first lining plate 201 and the second lining plate 202 at the same time, and the horizontal plate 2 swings upward through the rotating shaft 203. At this time, a gap is generated at the air outlet of the fan 1, which facilitates the discharge of air inside the ventilation device through the gap between the horizontal plates 2;

[0055] The first lining plate 201 and the second lining plate 202 are matched with multiple groups at the lower end of the horizontal plate 2. When the motor 102 stops running, the fan blade 101 cannot rotate. At this time, the first lining plate 201, the second lining plate 202 and the horizontal plate 2 cannot be tilted at an angle. The first lining plate 201, the second lining plate 202 and the horizontal plate 2 can form a seal on the air outlet of the ventilator 1 to prevent external dust from falling onto the surface of the fan blade 101 through the air outlet;

[0056] Since the width of the first lining plate 201 is 2-4 cm greater than the width of the second lining plate 202, the contact area of ​​the first lining plate 201 near the end of the fan blade 101 is greater than that of the second lining plate 202, so that when the fan blade 101 rotates, the wind blows to one side of the first lining plate 201, thereby driving the first lining plate 201 to swing at an angle. The universal shaft 3 is located on one side of the lower end of the first lining plate 201, and the universal shaft 3 is located on one side of the upper end of the second lining plate 202. When the first lining plate 201 swings toward the upper outside of the ventilator 1 due to the wind generated by the rotation of the fan blade 101, the first lining plate 201 The inclined arm 301 on one side of 01 swings upward synchronously, while the other end of the inclined arm 301 swings synchronously. At this time, the inclined arm 301 is set at an angle of 45 degrees, and the inclined arm 301 can assist the second lining plate 202 to swing toward the side close to the inside of the ventilator 1. At this time, the interval between the first lining plate 201 and the second lining plate 202 is increased, which facilitates the discharge of air inside the ventilator 1 to the outside, so that the ventilation device can be stopped from using external dust to prevent it from entering the inside of the ventilation device. When the motor 101 is turned on, the wind force generated by the high-speed rotation of the fan blades 101 is used to achieve the effect of normal ventilation.

[0057] Example 3: Refer to the attached manual Figure 6-8 It can be seen that the difference between Example 3 and Examples 1 and 2 is that the striking assembly includes a hanging rope 4, a bottom plate 401, a bracket 402, a sliding frame 403 and a ball 404, the hanging rope 4 is hung on both sides of the inside of the fan blade 101, the bottom plate 401 swings at one end of the hanging rope 4, the bracket 402 is arranged on both sides of the bottom plate 401, the sliding frame 403 slides on the inner side of the bracket 402, and the ball 404 rolls on the inner side of the bottom plate 401;

[0058] Among them: a hanging rope 4 and a bottom plate 401, the bottom plate 401 runs through the inside of the fan blade 101, the side of the bottom plate 401 is set in a "V" shape, the hanging rope 4 is at both ends of one side of the bottom plate 401, the width of the bottom plate 401 is 2-4cm smaller than the inner width of the fan blade 101, and a groove is opened at one end of the bottom plate 401, and the ball 404 rolls inside the groove;

[0059] When the fan blade 101 is at the upper end of one side of the motor 102, the bottom plate 401 is suspended at the upper end of the inside of the fan blade 101 through the suspension rope 4;

[0060] When the fan blade 101 is in a stationary state and is at the lower end of one side of the motor 102, the bottom plate 401 falls downward to the lower end of the inside of the fan blade 101 due to its own gravity;

[0061] The width of the bottom plate 401 is 2-4 cm smaller than the inner width of the fan blade 101, so that the bottom plate 401 can swing at an angle inside the fan blade 101 through the hanging rope 4;

[0062] The side of the bottom plate 401 is arranged in a "V" shape, and the shape of the bottom plate 401 is used to facilitate the bottom plate 401 to move its center of gravity downward, thereby assisting the bottom plate 401 to swing horizontally at one end of the suspension rope 4;

[0063] The bracket 402 and the sliding bracket 403, the bracket 402 is arranged in a transverse concave shape, tracks are arranged on both sides of the bracket 402, the sliding bracket 403 is slidably nested inside the track of the bracket 402, the sliding bracket 403 is arranged in a "V" shape, and the sliding bracket 403 slides and squeezes on both sides of the inner wall of the fan blade 101;

[0064] Wherein: when the fan blade 101 is driven by the motor 102 to rotate at a high speed, the fan blade 101 is constantly moved on one side of the motor 102, and the position of the fan blade 101 is constantly moved. At the same time, the width of the bottom plate 401 is 2-4 cm smaller than the inner width of the fan blade 101, and the bottom plate 401 at one end of the inner wall of the fan blade 101 can be horizontally tilted and swung on the inner wall of the fan blade 101 through the hanging rope 4;

[0065] When the base plate 401 shakes, the auxiliary bracket 402 swings synchronously. At this time, the sliding frame 403 on the inside of the bracket 402 slides left and right on the inside of the bracket 402. The sliding frame 403 hits the inner wall of the fan blade 101 when sliding. When the sliding frame 403 hits, the fan blade 101 vibrates. The sliding frame 403 hits the inner wall of the fan blade 101 when swinging, thereby assisting the dust on the surface of the fan blade 101 to fall off, thereby avoiding the accumulation of dust on the surface of the fan blade 101.

Claims

1. An intelligent building information ventilation device, comprising a ventilator, characterized in that: The ventilator is provided with a motor inside, one end of the motor has a rotating fan blade, the air outlet of the ventilator is hinged with a rotating shaft, and the inner side of the rotating shaft is swinging with a horizontal plate; The lower end of the horizontal plate is hinged with a rotating sphere, and the lower end of the rotating sphere is respectively swung with a first lining plate and a second lining plate, and the upper end of the horizontal plate close to the ventilator is penetrated with a filter layer, and the side surfaces of the first lining plate and the second lining plate are both hinged with a universal shaft, and an inclined arm is swung between the universal shafts; The width of the first lining plate is 2-4 cm greater than the width of the second lining plate. The first lining plate and the second lining plate are respectively swung at the lower end of the horizontal plate by a rotating ball. The first lining plate and the second lining plate are matched with multiple sets at the lower end of the horizontal plate. The interiors of the first lining plate and the second lining plate are hollow. The weight of the first lining plate and the second lining plate is less than 2 g. The rotating sphere is arranged in a spherical shape and is arranged at the lower end of the filter layer; The universal joint is located on one side of the lower end of the first lining plate, the universal joint is located on one side of the upper end of the second lining plate, the inclined arm is located between every two universal joints, the inclined arm is inclined at 45°, and the inclined arm swings at an angle between the first lining plate and the second lining plate through the universal joint.

2. The intelligent building information ventilation device according to claim 1 is characterized in that: The motor is connected to the power supply circuit through a power line, the motor drives the fan blades to rotate 360 ​​degrees, and the motor is connected to the external controller through wires; The controller is connected to the central control panel and the sensor loop in sequence, and the central control panel, the external controller and the sensor are all arranged inside the intelligent building, and the sensor adopts an air quality sensor.

3. The intelligent building information ventilation device according to claim 1 is characterized in that: The interior of the fan blade is hollow, and a striking component is provided inside the fan blade to prevent dust from accumulating on the surface of the fan blade; The rotating shaft and the horizontal plate are matched with each other, the weight of the horizontal plate is less than 10g, the horizontal plate and the rotating shaft are vertically arranged on the surface of the ventilator, and the horizontal plate is tilted and swung on the surface of the ventilator through the rotating shaft.

4. The intelligent building information ventilation device according to claim 3 is characterized in that: The striking assembly includes a hanging rope, a base plate, a bracket, a sliding frame and a ball bearing. The hanging rope is hung on both sides of the inside of the fan blade, the base plate swings on one end of the hanging rope, the bracket is arranged on both sides of the base plate, the sliding frame slides on the inner side of the bracket, and the ball bearing rolls on the inner side of the base plate.

5. The intelligent building information ventilation device according to claim 4 is characterized in that: The bottom plate passes through the inside of the fan blade, and the side of the bottom plate is set in a "V" shape. The suspension ropes are at both ends of one side of the bottom plate. The width of the bottom plate is 2-4cm smaller than the internal width of the fan blade. A groove is opened at one end of the bottom plate, and the ball rolls inside the groove.

6. The intelligent building information ventilation device according to claim 4 is characterized in that: The bracket is arranged in a transverse concave shape, tracks are arranged on both sides of the inside of the bracket, and the sliding bracket is slidably nested inside the tracks of the bracket.

7. The intelligent building information ventilation device according to claim 4 is characterized in that: The sliding frame is arranged in a "V" shape, and the sliding frame slides and squeezes on both sides of the inner wall of the fan blade.

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