CN220453896U - Ventilation mechanism - Google Patents

Abstract

The utility model discloses a ventilation mechanism, which has the technical scheme that: the intelligent ventilating device comprises a ventilating plate, wherein a ventilating frame is fixedly arranged on one side of the ventilating plate, a PLC (programmable logic controller) is fixedly arranged on one side of the ventilating frame, a ventilating hole is formed in one side of the ventilating plate, and a dustproof net is fixedly sleeved in the ventilating hole; the cleaning assembly is arranged on two sides of the inside of the vent hole and is used for cleaning dust attached to the surface of the dust screen, the cleaning assembly comprises two movable grooves, the two movable grooves are respectively formed in two sides of the inside of the vent hole, and the cleaning effect is achieved by means of the interaction of a ventilating plate, a ventilating frame, a PLC (programmable logic controller), the vent hole, the dust screen, the movable grooves, a servo motor, a screw rod, a placing groove, a first bearing, the movable plate, a movable hole, a threaded hole, a bolt, a connecting plate and a hairbrush, so that the cleaning effect is achieved by cleaning dust attached to the surface of the dust screen, and the ventilating efficiency is improved.

Description

a ventilation mechanism

Technical field

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

Background technique

Building ventilation means that the dirty air in the building is discharged to the outside directly or after purification, and then fresh air is added in, so as to maintain the indoor air environment in compliance with health standards. Its purpose is to ensure the elimination of indoor pollutants and ensure the safety of indoor personnel. Thermal comfort, meeting the needs of indoor personnel for fresh air, etc.

For example, the Chinese patent with publication number CN212746798U proposes an energy-saving ventilation device for buildings. This patent uses the cooperation of a rotating rod and a second fan blade to achieve the completion of blowing by rotating the second fan blade under the action of external wind. Ventilation, to a certain extent, reduces the number of times the motor drives the first fan blade to rotate, greatly reducing energy consumption. By setting up a filter, the air entering the building is filtered, preventing smoke, dust and haze from entering the building and harming residents. Health, through the cooperation of the baffle and the lever, realizes the control of the switch at the vent, so that the vent can be opened and closed as needed, which greatly improves the practicality of the vent. However, in this plan, due to the ventilation A large amount of dust will adhere to the surface of the filter placed in the device when it is ventilated for a long time. The accumulated dust may clog the filter and weaken the ventilation efficiency, which is not conducive to ventilation in the building.

Utility model content

In view of the shortcomings of the existing technology, the present utility model provides a ventilation mechanism, which solves the problem that a large amount of dust will adhere to the surface of the filter screen placed in the ventilation device under a long-term ventilation state, and the accumulated dust may cause clogging of the filter screen. The ventilation efficiency is reduced, which is not conducive to ventilation in the building.

The above technical objectives of the present invention are achieved through the following technical solutions:

A ventilation mechanism includes a ventilation plate. A ventilation frame is fixedly installed on one side of the ventilation plate. A PLC controller is fixedly installed on one side of the ventilation frame. A ventilation hole is provided on one side of the ventilation plate. A dust-proof net is fixedly connected to the interior of the vent hole; a wiping assembly is provided on both sides of the interior of the vent hole, and is used to wipe and clean the dust attached to the surface of the dust-proof net; the wiping assembly includes: Two moving grooves, the two moving grooves are respectively opened on both sides of the interior of the ventilation hole. A servo motor is fixedly installed on the inner top surface of the moving groove, and a screw rod is fixedly installed on the bottom surface of the servo motor drive shaft. The inner bottom surface of the moving groove is provided with a placement groove, the inner circular wall surface of the placement groove is fixedly socketed with a first bearing, and the inner ring of the first bearing is fixedly socketed with the outer circular wall surface of the screw rod. A moving plate is provided inside the ventilation hole. The top surface of the moving plate is provided with two movable holes. The inner circular wall of the movable hole is provided with threads. The movable hole is threadedly connected to the screw rod. Two threaded holes are provided on one side of the plate, and bolts are threadedly connected to the inner circular wall of the threaded hole. A connecting plate is provided on one side of the moving plate, and two rotation grooves are provided on one side of the connecting plate. A second bearing is fixedly connected to the inner wall of the rotation groove, and the inner ring of the second bearing is fixedly connected to the outer wall of the bolt. A soft brush is fixedly installed on one side of the connecting plate. The servo motor is electrically connected to the PLC controller.

In order to speed up the air flow and facilitate ventilation, as a ventilation mechanism of the present invention, preferably, mounting brackets are fixedly installed on both sides of the interior of the ventilation frame, and a fan is fixedly installed inside the mounting bracket. The fan is electrically connected to the PLC controller.

In order to collect the wiped dust, as a ventilation mechanism of the present invention, preferably, a storage tank is provided on the inner bottom surface of the ventilation hole.

In order to prevent rainwater from flowing in from the ventilation holes, as a ventilation mechanism of the present invention, preferably, a baffle is fixedly installed on one side of the ventilation plate, and rotation holes are provided on both sides of the baffle. A third bearing is fixedly connected to the inner circular wall of the rotating hole, and a rotating column is fixedly connected to the inner ring of the third bearing. A rainproof curtain is fixedly installed on the outer circular wall of the rotating column, and the rainproof curtain is fixedly connected to the inner ring of the third bearing. The rain curtain is wrapped in multiple layers around the outer wall of the rotating column, and a handle is fixedly installed on one end of the rotating column.

In order to prevent the rainproof curtain from being blown over by the wind, as a ventilation mechanism of the present invention, preferably, a tie rod is fixedly installed on the bottom surface of the rainproof curtain.

In order to power the PLC controller, servo motor and fan, as a ventilation mechanism of the present invention, preferably, a battery is fixedly installed on the internal bottom surface of the ventilation frame, and the battery is electrically connected to the PLC controller. , the battery is electrically connected to the servo motor, and the battery is electrically connected to the fan.

To sum up, the utility model mainly has the following beneficial effects:

Through ventilation plate, ventilation frame, PLC controller, ventilation holes, dust screen, moving slot, servo motor, screw rod, placement slot, first bearing, moving plate, movable hole, threaded hole, bolt, connecting plate and brush With the mutual cooperation, the effect of wiping and cleaning the dust attached to the surface of the dust filter is achieved, thereby improving ventilation efficiency.

Description of drawings

Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

Figure 2 is a schematic structural diagram of the ventilation frame of the present utility model;

Figure 3 is a schematic structural diagram of the moving plate of the present utility model;

Figure 4 is a partial structural diagram of A in Figure 2;

Figure 5 is a partial structural diagram of B in Figure 2.

Reference signs: 1. Ventilation panel; 2. Ventilation frame; 3. PLC controller; 4. Ventilation holes; 5. Dust-proof net; 6. Moving slot; 7. Servo motor; 8. Screw; 9. Placement slot. ; 10. First bearing; 11. Moving plate; 12. Movable hole; 13. Threaded hole; 14. Bolt; 15. Connecting plate; 16. Brush; 17. Rotating groove; 18. Second bearing; 19. Installation 20. Handle; 21. Fan; 22. Pull rod; 23. Battery; 24. Baffle; 25. Third bearing; 26. Rotation hole; 27. Rotating column; 28. Rainproof curtain; 29. Storage tank.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Embodiment 1

Referring to Figures 1, 2, 3, 4 and 5, a ventilation mechanism includes a ventilation plate 1, a ventilation frame 2 is fixedly installed on one side of the ventilation plate 1, and a ventilation frame 2 is fixedly installed on one side of the ventilation frame 2. In the PLC controller 3, a ventilation hole 4 is provided on one side of the ventilation plate 1. A dust-proof net 5 is fixedly connected to the inside of the ventilation hole 4. Wiping components are provided on both sides of the inside of the ventilation hole 4 for cleaning the dust-proof net 5. The dust attached to the surface is wiped and cleaned. The wiping assembly includes two moving grooves 6. The two moving grooves 6 are respectively opened on both sides of the interior of the ventilation hole 4. A servo motor 7 is fixedly installed on the top surface of the moving groove 6. The servo motor 7 A screw rod 8 is fixedly installed on the bottom surface of the driving shaft. A placement groove 9 is provided on the inner bottom surface of the moving groove 6. The inner circular wall of the placement groove 9 is fixedly sleeved with a first bearing 10. The inner ring of the first bearing 10 is connected to the screw rod 8. The outer circular wall of the vent hole 4 is fixedly connected. A moving plate 11 is provided inside the ventilation hole 4. Two movable holes 12 are provided on the top surface of the moving plate 11. The inner circular wall of the movable hole 12 is provided with threads. The movable holes 12 are connected to the screw rod. 8 threaded connection, two threaded holes 13 are provided on one side of the moving plate 11, and the inner circular wall surface of the threaded hole 13 is threaded with bolts 14. A connecting plate 15 is provided on one side of the moving plate 11, and a connecting plate 15 is provided on one side of the connecting plate 15. There are two rotating grooves 17. The inner circular wall of the rotating groove 17 is fixedly sleeved with a second bearing 18. The inner ring of the second bearing 18 is fixedly sleeved with the outer circular wall of the bolt 14. One side of the connecting plate 15 is fixedly installed with The soft brush 16 and the servo motor 7 are electrically connected to the PLC controller 3. Through the set servo motor 7, when it is necessary to clean the dust attached to the surface of the dust filter 5, the staff can rotate the bolt 14 by hand. into the threaded hole 13, and then the bolt 14 moves while pushing the connecting plate 15 through the second bearing 18 to move, and drives the soft brush 16 to move. At this time, the staff observes the position of the soft brush 16 and rotates the bolt 14 to move the soft brush 16. The brush 16 moves to a suitable position, that is, the surface of the dust filter 5 contacts it, and then the staff turns on the servo motor 7 through the PLC controller 3, and then the drive shaft of the servo motor 7 rotates to drive the screw rod 8 to rotate, and then passes through the movable hole 12 The screw rod 8 rotates while driving the moving plate 11 to move. The movement of the moving plate 11 drives the soft brush 16 to move. When the soft brush 16 moves up and down, it wipes the surface of the dust-proof net 5 to achieve adhesion to the surface of the dust-proof net 5. The effect of cleaning dust is improved, thereby improving the efficiency of ventilation in the building.

Embodiment 2

Based on the above embodiment 1, with reference to Figures 1, 2 and 3, mounting brackets 19 are fixedly installed on both sides of the ventilation frame 2, and a fan 21 is fixedly installed inside the installation bracket 19. The fan 21 is electrically connected to the PLC controller 3. connection, the staff turns on the fan 21 through the PLC controller 3, and then the drive shaft of the fan 21 rotates to drive the fan blades to blow, thereby increasing the air flow speed in the building and facilitating ventilation. A storage tank 29 is provided on the inner bottom of the ventilation plate 1 , to facilitate the collection of wiped dust, a baffle 24 is fixedly installed on one side of the ventilation plate 1, a rotating hole 26 is provided on both sides of the baffle 24, and a third bearing 25 is fixedly connected to the inner wall of the rotating hole 26. , the inner ring of the third bearing 25 is fixedly connected with a rotating column 27, and a rainproof curtain 28 is fixedly installed on the outer circular wall of the rotating column 27, and the rainproof curtain 28 is wound around the outer circular wall of the rotating column 27 in multiple layers, and the rotating column A handle 20 is fixedly installed on one end of 27. When it rains, the staff rotates the handle 20 by hand, and then drives the rotating column 27 to rotate. The third bearing 25 then rotates while driving and moving the rainproof curtain 28 downward, thereby The ventilation holes 4 are blocked to prevent rainwater from flowing into the building from the ventilation holes 4. A pull rod 22 is fixedly installed on the bottom surface of the rainproof curtain 28. The provided pull rod 22 prevents the ventilation holes 4 from being rain-proofed when it rains. The curtain 28 is blown over by the wind, and the rainproof curtain 28 is pulled downward by the weight of the pull rod 22 to achieve a stable effect. A battery 23 is fixedly installed on the inner bottom of the ventilation frame 2, and the battery 23 is electrically connected to the PLC controller 3 , the battery 23 is electrically connected to the servo motor 7 , and the battery 23 is electrically connected to the fan 21 .

Working principle: Please refer to Figures 1 to 5. The building can be ventilated through the cooperation of ventilation plate 1, ventilation frame 2 and fan 21. Through the set servo motor 7, when it is necessary to remove the dust attached to the surface of the dust filter 5 When cleaning, the staff rotates the bolt 14 by hand to rotate it into the threaded hole 13. Then, when the bolt 14 moves, the connecting plate 15 is pushed through the second bearing 18 to move, and drives the soft brush 16 to move. At this time, the work The staff observes the position of the soft brush 16 and moves the soft brush 16 to a suitable position by turning the bolt 14, that is, the surface of the dust filter 5 is in contact with it, and then the staff turns on the servo motor 7 through the PLC controller 3, and then the servo motor 7 The rotation of the drive shaft drives the screw rod 8 to rotate, and then the screw rod 8 rotates through the movable hole 12 and drives the moving plate 11 to move. The movement of the moving plate 11 drives the soft brush 16 to move, and the soft brush 16 prevents the movement of the soft brush 16 when it moves up and down. The surface of the dust screen 5 is wiped to achieve the effect of cleaning the dust attached to the surface of the dust screen 5, thereby improving the efficiency of ventilation in the building.

Through the set fan 21, the staff turns on the fan 21 through the PLC controller 3, and then the drive shaft of the fan 21 rotates to drive the fan blades to blow, thereby increasing the air flow speed in the building and facilitating ventilation. When it rains, the staff passes Turn the handle 20 by hand, and then drive the rotating column 27 to rotate. The third bearing 25 rotates while driving and moving the rainproof curtain 28 downward, thereby blocking the ventilation hole 4 and preventing rainwater from flowing into the building from the ventilation hole 4. , the rainproof curtain 28 is pulled downward by the weight of the pull rod 22 to achieve a stable effect.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention. , substitutions and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A ventilation mechanism, comprising:

the novel ventilating device comprises a ventilating plate (1), wherein a ventilating frame (2) is fixedly arranged on one side of the ventilating plate (1), a PLC (programmable logic controller) controller (3) is fixedly arranged on one side of the ventilating frame (2), a ventilating hole (4) is formed in one side of the ventilating plate (1), and a dustproof net (5) is fixedly sleeved in the ventilating hole (4);

the wiping component is arranged at two sides of the inside of the vent hole (4) and is used for wiping dust attached to the surface of the dust screen (5), and the wiping component comprises: two movable grooves (6), two movable grooves (6) are respectively arranged on two sides of the inside of a vent hole (4), a servo motor (7) is fixedly arranged on the top surface of the inside of the movable groove (6), a screw rod (8) is fixedly arranged on the bottom surface of a driving shaft of the servo motor (7), a placing groove (9) is arranged on the bottom surface of the inside of the movable groove (6), a first bearing (10) is fixedly sleeved on the inner circular wall surface of the placing groove (9), an inner ring of the first bearing (10) is fixedly sleeved on the outer circular wall surface of the screw rod (8), a movable plate (11) is arranged in the vent hole (4), two movable holes (12) are formed in the top surface of the movable plate (11), threads are formed in the inner circular wall surface of the movable hole (12) and are in threaded connection with the screw rod (8), two threaded holes (13) are formed in one side of the movable plate (11), bolts (14) are connected on the inner circular wall surface of the placing groove (9) in a threaded manner, one side of the movable plate (11) is provided with a connecting plate (17), two connecting plates (18) are sleeved on one side of the inner circular wall (17) of the connecting plates (17), one side of the connecting plate (15) is fixedly provided with a soft brush (16), and the servo motor (7) is electrically connected with the PLC (3).

2. A ventilation mechanism according to claim 1, wherein: the inside fixed mounting of ventilation frame (2) has mounting bracket (19), the inside fixed mounting of mounting bracket (19) has fan (21), fan (21) with PLC controller (3) electric connection.

3. A ventilation mechanism according to claim 2, wherein: the inner bottom surface of the vent hole (4) is provided with a storage groove (29).

4. A ventilation mechanism according to claim 1, wherein: one side fixed mounting of ventilation board (1) has baffle (24), rotation hole (26) have been seted up respectively to the both sides of baffle (24), the interior circular wall face of rotation hole (26) is fixed to be cup jointed third bearing (25), the interior fixed cover of inner ring of third bearing (25) has rotated post (27), the outer circular wall face fixed mounting of rotation post (27) has rain-proof curtain (28), and rain-proof curtain (28) multilayer winding is in the outer circular wall face of rotation post (27), the one end fixed mounting of rotation post (27) has handle (20).

5. A ventilation mechanism according to claim 4, wherein: the bottom surface of the rainproof curtain (28) is fixedly provided with a pull rod (22).

6. A ventilation mechanism according to claim 2, wherein: the inside bottom surface fixed mounting of ventilation frame (2) has battery (23), battery (23) with PLC controller (3) electric connection, battery (23) with servo motor (7) electric connection, battery (23) with fan (21) electric connection.