Ventilation equipment capable of automatically cleaning filter screen

Abstract

The utility model belongs to the field of ventilation equipment, and particularly relates to ventilation equipment capable of automatically cleaning a filter screen, which comprises a cleaning device, a ventilation device, a transmission device, a shell, a controller and a driving motor. When the ventilation device is started through the controller, the ventilation device is started to rotate forwards to conduct ventilation on the indoor space, and when a user wants to clean the filter screen after ventilation, the user can control the driving motor to be started through the controller by starting the ventilation device to rotate backwards and driving the transmission device through airflow. And then, the driving motor drives the transmission device to act in turn, so that the cleaning part is driven by the transmission device to clean the surface of the filter screen. The technical effect that the equipment can automatically clean the filter screen while indoor ventilation and air exchange can be carried out by the equipment is achieved.

Description

Technical Field

[0001] The utility model relates to the field of ventilation equipment, in particular to a ventilation equipment capable of automatically cleaning a filter screen. Background Art

[0002] To provide the necessary oxygen for residents' daily life, mainly breathing and cooking, and to prevent excessive CO2 and unpleasant odors. Indoor air is polluted anyway due to people's breathing. Ventilation is necessary to replace fresh air. It is estimated that an adult needs about 30 m3 of fresh air per hour, so the number of people indoors is particularly important. Yagro et al. gave the ventilation efficiency, which is the ratio of the effective airflow in the entire use area to the total air supply.

[0003] The temperature has a great relationship with the indoor smell. When the indoor temperature is 18℃, people do not feel uncomfortable with the smell, so each person in the room needs 30m3 of fresh air per hour. When the indoor temperature rises to 30℃, if people do not feel uncomfortable with the smell, each person in the room needs 50m3 of fresh air per hour.

[0004] If there is an unpleasant smell in the room, the first thing to do is to eliminate it, and ventilation is the best way to do that.

[0005] For kitchen ventilation, there are heat balance method, which determines the ventilation frequency according to the cold load of kitchen utensils, people, lamps and building envelope and indoor and outdoor temperatures; concentration dilution method, which determines the ventilation frequency according to the size of the kitchen and the exhaust volume; concentration dilution method, which determines the ventilation volume required to dilute harmful gases according to theoretical calculations or the amount of harmful substances produced by stove fuel and cooking in the laboratory, as well as the harmful concentration of outdoor air, and the allowable concentration of kitchen air specified in health standards; local exhaust hood method, which uses a mechanical local exhaust hood to directly extract harmful substances on the hood surface, thereby improving the emission efficiency of harmful substances, which is 30% to 35% higher than that of full exhaust; hood outlet wind speed control method, which controls the hood outlet wind speed at 0.25-0.35 m / s.

[0006] The exhaust volume of natural ventilation is affected by factors such as indoor and outdoor temperature, humidity, atmospheric pressure, wind direction and wind speed. The exhaust capacity is small and the exhaust volume is very unstable. Sometimes the exhaust port is in a positive pressure state, and backflow occurs. However, it is not possible for my country to use mechanical exhaust for all hoods at present.

[0007] For living rooms and offices, natural ventilation is recommended, and in cold areas, outdoor cold air can be used to infiltrate the room to compensate for fresh air.

[0008] In the current social environment, with the improvement of the quality of life, people are paying more and more attention to the health of life. In order to ensure the hygiene of their families, ventilation equipment is often used to improve the air quality in the home so that the interior of the building can be ventilated. However, due to the setting of the filter, dust may block the filter, and the building cannot be ventilated when it is cleaned. Therefore, it is very meaningful to design a device that can solve the above problems. Utility Model Content

[0009] The utility model provides a ventilation device capable of automatically cleaning a filter screen, solving the technical problem of how to enable the device to ventilate the room and automatically clean the filter screen at the same time.

[0010] The utility model provides the following technical solutions: A ventilation device capable of automatically cleaning a filter screen, comprising: a cleaning device, a ventilation device, a transmission device, a shell, a controller, and a driving motor. The shell is arranged on the ground. The ventilation device is arranged in the shell, and the ventilation device is fixedly connected to the inner wall of the shell. The cleaning device is arranged in the shell, and is located on the side of the ventilation device. The cleaning device is connected to the shell and is fixedly connected to the ventilation device. The driving motor is arranged at the rear of the shell and is located between the cleaning device and the ventilation device. The base of the driving motor is fixedly connected to the back of the shell, and the rotating shaft of the driving motor passes through the back of the shell and extends to the inside of the shell. The controller is arranged on the indoor wall and is fixedly connected to the indoor wall. The controller is electrically connected to the ventilation device. The transmission device is arranged in the shell and is located below the ventilation device. The transmission device is fixedly connected to the ventilation device and the cleaning device, and is electrically connected to the controller.

[0011] The ventilation device includes: an air inlet, an air outlet, an exhaust fan, and a filter. The outer shell is arranged on the ground. The air inlet is arranged on the side of the outer shell and is connected to the inside of the outer shell. The air outlet is arranged on the side of the outer shell and is opposite to the position of the air inlet, and the air outlet is connected to the inside of the outer shell. The exhaust fan is arranged inside the air outlet and is fixedly connected to the inner wall of the air outlet. The exhaust fan is fixedly connected to the transmission device and is electrically connected to the controller. The filter is arranged in the outer shell and is between the exhaust fan and the filter. The filter is fixedly connected to the inner wall of the outer shell.

[0012] The cleaning device comprises: a plurality of cleaning brushes, two fixed rods, a sliding base, a sliding plate, two first sliding grooves, a second sliding groove, gears, a plurality of round protrusions, a sliding frame, a sliding rod, a first pulley, a right-angle baffle, an auxiliary watering component, and a partition.

[0013] The partition is arranged horizontally inside the shell, parallel to the bottom surface of the shell, and below the filter screen, and the side of the partition is fixedly connected to the inner wall of the shell. The sliding base is a rectangular frame, and the long frames on both sides are raised. The sliding base is arranged vertically inside the shell, and is on the side of the filter screen close to the front of the shell, and the side of the sliding base is fixedly connected to the top surface of the partition. Two first slides are arranged in the sliding base, and on the inner side of the long frames on both sides of one side of the sliding base, the positions of the two first slides are opposite and parallel to each other. The sliding plate is arranged in the two first slides, and the sliding plate is slidably connected to the two first slides, and the sliding direction is perpendicular to the top surface of the shell. Two fixed rods are arranged horizontally inside the shell, and perpendicular to the side of the sliding plate. The two fixed rods are arranged on the side of the sliding plate close to the filter screen, and are respectively on both sides of the filter screen. One end of the two fixed rods passes through the inner frame of the sliding base and is fixedly connected to the side of the sliding plate. A number of brushes are evenly arranged on the sides of the two fixed rods, facing the filter screen, and a number of brushes are fixedly connected to the sides of the two fixed rods. A plurality of round protrusions are arranged on the side of the sliding plate and are located on the sides of the two first chutes. The plurality of round protrusions are arranged in a straight line and are evenly arranged on the center line of the sliding plate. The plurality of round protrusions are fixedly connected to the side of the sliding plate. The second chutes are annular grooves and are arranged on the side of the sliding plate and are located between the two first chutes. The sliding frame is arched and arranged in the housing. The inner side of the sliding frame is fixedly connected to the outer side of the sliding base, and the surface of the sliding frame and the sliding plate that is directly corresponding to the sliding frame is a frame body. One end of the sliding rod passes through the frame surface of the sliding frame and is slidably connected to the second chutes, and the sliding direction is an annular direction around the second chutes. The tooth pitch of the gear is the diameter of the round protrusion. The gear is sleeved on the sliding rod and is located between the sliding plate and the sliding frame. The gear can mesh with the plurality of round protrusions and is fixedly connected to the side of the sliding rod. The first pulley is sleeved on the sliding rod and is located on the side of the sliding frame away from the gear. The first pulley is fixedly connected to the side of the sliding rod, and the first pulley is connected to the transmission device. The right-angle baffle is arranged in the shell, and the right-angle baffle will be arranged on the side of the filter screen close to the air inlet. The right-angle baffle can cover the sliding base, the sliding frame, and the gear. The top surface of the right-angle baffle is fixedly connected to the top surface of the shell, the bottom surface is fixedly connected to the bottom surface of the shell, and the side surface of the right-angle baffle is fixedly connected to the inner side surface of the shell. The auxiliary sprinkler component is arranged inside the shell and is above the two fixed rods. The auxiliary sprinkler component is fixedly connected to the top surface of the shell.

[0014] When the user wants to ventilate the room, the user first starts the exhaust fan to rotate forward through the controller. After the exhaust fan is started, the rotation of the fan blades will drive the air from the air inlet through the filter and then out of the housing through the air outlet. The filter can filter out the dust attached to the controller, thus realizing the function of indoor ventilation. When the user wants to clean the filter, the user first starts the reverse rotation of the exhaust fan through the controller. After the exhaust fan reverses, it will drive the transmission device to move. After the transmission device moves, it will send a control signal to the controller. At the same time, the controller will control the drive motor to start. After the drive motor starts, the rotating shaft of the drive motor will also drive the transmission device to move at the same time. When the rotating shaft of the drive motor drives the transmission device to move, it will drive the sliding rod to rotate through the first pulley. At the same time, the rotation of the sliding rod will also drive the gear to move together. When the gear engages with a number of round protrusions, it drives the sliding plate to slide in the two first slide grooves on the two long frames of the sliding base, and at the same time, the sliding rod can slide in the second slide groove, and drive the sliding plate to move up and down in the shell, so as to drive the two fixed rods to move up and down, so that the brushes on the two fixed rods can clean the surface of the filter. At the same time, the auxiliary watering component will also move together during the up and down movement of the sliding plate, and can spray water to assist the brushes in cleaning the filter. The technical effect of the equipment being able to ventilate the room while automatically cleaning the filter is achieved.

[0015] Furthermore, the auxiliary watering component includes: a water tank, two sprinklers, and a watering button. The water tank is arranged above the housing, and the bottom surface is fixedly connected to the top surface of the housing. The two sprinklers are arranged inside the housing, and are respectively located above the two fixing rods. The two sprinklers are fixedly connected to the top surface of the housing, and the input ports of the two sprinklers are respectively connected to the inside of the water tank through water pipes, and the two sprinklers are electrically connected to the controller. The watering button is arranged inside the housing, and is located directly above the sliding plate. The watering button is fixedly connected to the inner top surface of the housing, and is electrically connected to the controller.

[0016] When the sliding plate slides upward and gradually approaches the top surface of the shell, the top of the sliding plate will gradually approach the sprinkler button. When it slides upward again and squeezes the sprinkler button, the sprinkler button will be pressed and send a control signal to the controller. After receiving the signal, the controller will control the two sprinklers to start. After the two sprinklers are started, the water in the water tank will be pumped into the interior through the water pipe, and then sprayed onto the filter, assisting several brushes to clean the filter.

[0017] Furthermore, the transmission device includes: an electrically controlled telescopic rod, a fixed block, an electromagnetic rod, a second pulley, an elastic belt, and an airflow transmission component. The electrically controlled telescopic rod is vertically arranged in the shell, perpendicular to the top surface of the partition, and is between the drive motor and the front of the shell. The bottom surface of the electrically controlled telescopic rod is fixedly connected to the top surface of the partition, and is electrically connected to the controller. The fixed block is arranged in the shell, and is directly above the electrically controlled telescopic rod. The bottom surface of the fixed block is fixedly connected to the top surface of the electrically controlled telescopic rod, and is electrically connected to the controller. The electromagnetic rod is horizontally arranged in the shell, parallel to the rotation axis of the drive motor, and is above the electrically controlled telescopic rod. One end of the electromagnetic rod passes through the fixed block and is rotatably connected to the fixed block, and the rotation axis is parallel to the rotation axis of the drive motor. The electromagnetic rod is electrically connected to the controller. The second pulley is sleeved on the electromagnetic rod and fixedly connected to the side of the electromagnetic rod. The second pulley is connected to the first pulley through an elastic belt. The airflow transmission component is arranged in the shell. The airflow transmission component is arranged on the side of the electric control telescopic rod and the exhaust fan. The airflow transmission component is connected to the top surface of the plate and is electrically connected to the controller.

[0018] When the user wants to clean the filter, after the controller controls the fan to rotate forward, the fan blades rotate, and the airflow is discharged from the air outlet through the filter and the air inlet to the housing. During this period, the airflow transmission component will be affected by the airflow, so as to send a control signal to the controller. After the controller receives the signal from the airflow transmission component, the controller will actively control the drive motor to start, and at the same time control the electric control telescopic rod to rise, and energize the electromagnetic rod. When the electric control telescopic rod rises, the electromagnetic rod will gradually contact the rotating shaft of the drive motor. When the electromagnetic rod is energized, the electromagnetic rod will be magnetic, and then the rotating shaft of the drive motor and one end of the electromagnetic rod will be connected by magnetic force. After the drive motor is started, the rotation of the driving motor's rotating shaft will drive the electromagnetic rod to rotate together. When the electromagnetic rod rotates, it will drive the first pulley to rotate together through the second pulley and the elastic belt. The rotation of the first pulley will drive the sliding rod to rotate, completing the function of transmitting the components of the clean filter.

[0019] Furthermore, the airflow transmission component includes: a rotating plate, a contact block, and two contact points. The rotating plate is vertically inside the shell and is between the electrically controlled telescopic rod and the exhaust fan. The rotating plate is perpendicular to the top surface of the partition, and the bottom surface is rotatably connected to the top surface of the partition, and the rotation axis is perpendicular to the back of the shell. The contact block is arranged inside the shell and is between the electrically controlled telescopic rod and the rotating plate. The bottom surface of the contact block is fixedly connected to the top surface of the partition. The two contact points are respectively arranged on the side surface of the contact block and the side surface of the rotating plate, and are parallel to each other and opposite to each other. The two contact points are respectively fixedly connected to the side surface of the contact block and the side surface of the rotating plate, and are electrically connected to the controller.

[0020] When the exhaust fan is reversed, the fan blades drive the airflow from the air outlet into the housing, and the airflow will also blow to the rotating plate. After being affected by the airflow, the rotating plate will tilt toward the air inlet and gradually contact the contact block. When the contact block is contacted, the two contact points will touch each other. After the two contact points touch, the two contact points will send a control signal to the controller. After receiving the signal, the controller will control the drive motor, the electromagnetic rod, and the electric control telescopic rod to move together, so that the flow of air can start the relevant transmission device to drive the cleaning device to clean the filter. When the exhaust fan rotates forward, the airflow entering the housing from the air inlet will wash the other side of the rotating plate. At the same time, the exhaust fan will also generate suction on the rotating plate, so that the contact points on the rotating plate are separated from the contact points on the contact block, and stop sending signals to the controller.

[0021] Furthermore, the cleaning device also includes: a sewage outlet, a sewage pipe, a liquid level detector, and an electric control valve. The electric control valve is arranged on the upper part of the water tank, and the electric control valve passes through the top surface of the water tank and communicates with the inside of the water tank. The electric control valve is connected to the water supply pipe through a water pipe. The sewage outlet is arranged on the top of the partition, which is below the filter screen, and the sewage outlet is connected to the space above the partition. The sewage pipe is arranged on the side of the shell and is below the partition. One end of the sewage pipe passes through the side of the shell and communicates with the space below the partition. The liquid level detector is arranged inside the water tank and is fixedly connected to the inner wall of the water tank. The liquid level detector is electrically connected to the controller.

[0022] When the water sprayed on the filter screen is cleaned by the brush and then gradually flows down on the partition, the sewage will enter the space formed under the partition through the sewage outlet, and then flow out of the shell through the sewage pipe, realizing the function of sewage treatment.

[0023] At the same time, when the water in the water tank cannot submerge the liquid level detector, the liquid level detector will send a control signal to the controller, which will control the electric control valve to open after receiving it, so that the water in the water supply pipe can flow into the water tank through the electric control valve and the water pipe until it submerges the liquid level detector again, and then stop sending control signals to the controller, and the controller controls the electric control valve to close, completing the function of automatically replenishing water to the water tank.

[0024] Furthermore, it also includes: a photosensitive detector. The photosensitive detector is arranged above the shell and on the side of the water tank. The photosensitive detector is fixedly connected to the top surface of the shell and is electrically connected to the controller.

[0025] When the photosensitive detector detects that the light is getting weaker at night, the photosensitive detector will send a control signal to the controller. After receiving the signal, the controller will control the exhaust fan to reverse for a period of time until the filter can be cleaned. When the photosensitive detector detects that the light is getting stronger during the day, the photosensitive detector will send a control signal to the controller. After receiving the signal, the controller will control the exhaust fan to rotate forward to complete the function of indoor ventilation. The function of indoor ventilation during the day and filter cleaning at night is realized to avoid affecting the use of the equipment.

[0026] Beneficial effects of the utility model:

[0027] 1. Through the mutual cooperation and support between the cleaning device, ventilation device, transmission device, housing, controller, and drive motor, when the user starts the forward rotation of the exhaust fan through the controller, the fan blades of the exhaust fan rotate to filter the indoor air through the air inlet and the filter, and then discharge it out of the housing through the air outlet. The function of exhaust ventilation in the room is realized. When the user wants to clean the filter, the user can control the exhaust fan to reverse through the controller. When the exhaust fan reverses, the airflow formed by the rotation of the fan blades of the exhaust fan will pass through the air outlet and affect the transmission device. After the transmission device senses the airflow, it will control the drive motor to start through the controller. After the drive motor starts, it will in turn drive the transmission device to move, thereby driving the cleaning device to clean the surface of the filter. The technical effect of the equipment being able to ventilate the room while automatically cleaning the filter is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front sectional view of the equipment of the utility model;

[0029] Figure 2 It is a side sectional view of the equipment of the utility model;

[0030] Figure 3 It is a sectional view of a water tank of the present utility model.

[0031] Reference numerals: In the figure: 101, housing; 102, driving motor; 201, air inlet; 202, air outlet; 203, exhaust fan; 204, filter; 301, fixing rod; 302, sliding base; 303, sliding plate; 304, second slide groove; 305, gear; 306, round protrusion; 307, sliding frame; 308, sliding rod; 309, first pulley; 310, right-angle baffle; 311 , partition; 401, water tank; 402, sprinkler; 403, sprinkler button; 501, electric telescopic rod; 502, fixed block; 503, electromagnetic rod; 504, second pulley; 505, elastic belt; 506, rotating plate; 507, contact block; 508, contact contact; 601, sewage outlet; 602, sewage pipe; 603, liquid level detector; 604, electric control valve; 701, photosensitive detector. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1-3 :A ventilation device capable of automatically cleaning a filter screen comprises: a cleaning device, a ventilation device, a transmission device, a shell 101, a controller, and a drive motor 102. The shell 101 is arranged on the ground. The ventilation device is arranged in the shell 101, and the ventilation device is fixedly connected to the inner wall of the shell 101. The cleaning device is arranged in the shell 101, and is located on the side of the ventilation device. The cleaning device is connected to the shell 101 and is fixedly connected to the ventilation device. The drive motor 102 is arranged behind the shell 101 and is located between the cleaning device and the ventilation device. The base of the drive motor 102 is fixedly connected to the back of the shell 101, and the rotating shaft of the drive motor 102 passes through the back of the shell 101 and extends to the inside of the shell 101. The controller is arranged on the indoor wall and is fixedly connected to the indoor wall. The controller is electrically connected to the ventilation device. The transmission device is arranged in the shell 101 and is located below the ventilation device. The transmission device is fixedly connected to the ventilation device and the cleaning device, and is electrically connected to the controller.

[0034] The ventilation device includes: an air inlet 201, an air outlet 202, an exhaust fan 203, and a filter 204. The housing 101 is set on the ground. The air inlet 201 is set on the side of the housing 101 and is connected to the inside of the housing 101. The air outlet 202 is set on the side of the housing 101 and is opposite to the air inlet 201. The air outlet 202 is connected to the inside of the housing 101. The exhaust fan 203 is set inside the air outlet 202 and is fixedly connected to the inner wall of the air outlet 202. The exhaust fan 203 is fixedly connected to the transmission device and is electrically connected to the controller. The filter 204 is set in the housing 101 and is between the exhaust fan 203 and the filter 204. The filter 204 is fixedly connected to the inner wall of the housing 101.

[0035] The cleaning device includes: a plurality of cleaning brushes, two fixed rods 301, a sliding base 302, a sliding plate 303, two first slide grooves, a second slide groove 304, a gear 305, a plurality of round protrusions 306, a sliding frame 307, a sliding rod 308, a first pulley 309, a right-angle baffle 310, an auxiliary watering component, and a partition 311.

[0036] The partition 311 is horizontally arranged inside the shell 101, parallel to the bottom surface of the shell 101, and is located below the filter 204, and the side of the partition 311 is fixedly connected to the inner wall of the shell 101. The sliding base 302 is a rectangular frame, and the long frames on both sides are raised. The sliding base 302 is vertically arranged in the shell 101 and is located on the side of the filter 204 close to the front of the shell 101. The side of the sliding base 302 is fixedly connected to the top surface of the partition 311. Two first slide grooves are arranged in the sliding base 302, and on the inner side of the long frames on both sides of one side of the sliding base 302, the positions of the two first slide grooves are opposite and parallel to each other. The sliding plate 303 is arranged in the two first slide grooves, and the sliding plate 303 is slidably connected to the two first slide grooves, and the sliding direction is perpendicular to the top surface of the shell 101. Two fixed rods 301 are arranged horizontally in the housing 101 and perpendicular to the side of the sliding plate 303. The two fixed rods 301 are arranged on the side of the sliding plate 303 close to the filter screen 204 and are respectively located on both sides of the filter screen 204. One end of the two fixed rods 301 passes through the inner frame of the sliding base 302 and is fixedly connected to the side of the sliding plate 303. A number of brushes are evenly arranged on the sides of the two fixed rods 301 and face the filter screen 204. A number of brushes are fixedly connected to the sides of the two fixed rods 301. A number of round protrusions 306 are arranged on the side of the sliding plate 303 and are located on the sides of the two first chutes. A number of round protrusions 306 are arranged in a straight line and evenly arranged on the center line of the sliding plate 303. A number of round protrusions 306 are fixedly connected to the side of the sliding plate 303. The second chute 304 is an annular groove and is arranged on the side of the sliding plate 303 and is located between the two first chute grooves. The sliding frame 307 is arched and arranged in the housing 101. The inner side of the sliding frame 307 is fixedly connected to the outer side of the sliding base 302, and the surface of the sliding frame 307 that is directly corresponding to the sliding plate 303 is a frame body. One end of the sliding rod 308 passes through the frame surface of the sliding frame 307 and is slidably connected to the second slide groove 304, and the sliding direction is the annular direction around the second slide groove 304. The tooth pitch of the gear 305 is the diameter size of the round protrusion 306. The gear 305 is sleeved on the sliding rod 308 and is located between the sliding plate 303 and the sliding frame 307. The gear 305 can mesh with a plurality of round protrusions 306 and is fixedly connected to the side of the sliding rod 308. The first pulley 309 is sleeved on the sliding rod 308 and is located on the side of the sliding frame 307 away from the gear 305. The first pulley 309 is fixedly connected to the side of the sliding rod 308 and is connected to the transmission device. The right-angle baffle 310 is disposed in the outer shell 101. The right-angle baffle 310 will be disposed on the side of the filter 204 close to the air inlet 201. The right-angle baffle 310 can block the sliding base 302, the sliding frame 307, and the gear 305. The top surface of the right-angle baffle 310 is fixedly connected to the top surface of the outer shell 101, the bottom surface is fixedly connected to the bottom surface of the outer shell 101, and the side surface of the right-angle baffle is fixedly connected to the inner side surface of the outer shell 101.The auxiliary watering component is arranged inside the housing 101 and is located above the two fixing rods 301 . The auxiliary watering component is fixedly connected to the top surface of the housing 101 .

[0037] When the user wants to ventilate the room, the user first starts the forward rotation of the exhaust fan 203 through the controller. After the exhaust fan 203 is started, the rotation of the fan blades of the exhaust fan 203 will drive the air from the air inlet 201 through the filter 204 and then out of the housing 101 through the air outlet 202. The filter 204 can filter out the dust attached to the controller. The function of indoor ventilation is achieved. When the user wants to clean the filter 204, the user first starts the reverse rotation of the exhaust fan 203 through the controller. After the exhaust fan 203 is reversed, it will drive the transmission device to move. After the transmission device moves, it will send a control signal to the controller. At the same time, the controller will control the drive motor 102 to start. After the drive motor 102 is started, the rotating shaft of the drive motor 102 will also drive the transmission device to move at the same time. When the rotating shaft of the drive motor 102 drives the transmission device to move, it will drive the sliding rod 308 to rotate through the first pulley 309. At the same time, the rotation of the sliding rod 308 will also drive the gear 305 to move together. When the plurality of round protrusions 306 are engaged with the sliding plate 303, the sliding plate 303 is driven to slide in the two first slide grooves on the two long frames of the sliding base 302, and the sliding rod 308 is enabled to slide in the second slide groove 304, and the sliding plate 303 is driven to stand in the housing 101 and move up and down, thereby driving the two fixed rods 301 to move up and down, so that the plurality of brushes on the two fixed rods 301 can clean the surface of the filter 204, and the auxiliary watering component will also move together during the up and down movement of the sliding plate 303, and can spray water to assist the plurality of brushes in cleaning the filter 204. The technical effect that the device can ventilate the room and automatically clean the filter 204 is achieved.

[0038] The auxiliary watering components include: a water tank 401, two sprinklers 402, and a sprinkler button 403. The water tank 401 is arranged above the housing 101, and the bottom surface is fixedly connected to the top surface of the housing 101. The two sprinklers 402 are arranged inside the housing 101, and are respectively located above the two fixing rods 301. The two sprinklers 402 are fixedly connected to the top surface of the housing 101, and the input ports of the two sprinklers 402 are respectively connected to the inside of the water tank 401 through water pipes, and the two sprinklers 402 are electrically connected to the controller. The sprinkler button 403 is arranged inside the housing 101, and is located directly above the sliding plate 303. The sprinkler button 403 is fixedly connected to the inner top surface of the housing 101, and is electrically connected to the controller.

[0039] When the sliding plate 303 slides upward and gradually approaches the top surface of the shell 101, the top of the sliding plate 303 will gradually approach the sprinkler button 403. When it slides upward again and squeezes the sprinkler button 403, the sprinkler button 403 will be pressed and then send a control signal to the controller. After receiving the control signal, the controller will control the two sprinklers 402 to start. After the two sprinklers 402 are started, the water in the water tank 401 will be pumped into the interior through the water pipe, and then sprayed onto the filter 204, assisting several brushes to clean the filter 204.

[0040] The transmission device includes: an electric telescopic rod 501, a fixed block 502, an electromagnetic rod 503, a second pulley 504, an elastic belt 505, and an airflow transmission component. The electric telescopic rod 501 is vertically arranged in the housing 101, on the top surface of the vertical partition 311, and is located between the drive motor 102 and the front of the housing 101. The bottom surface of the electric telescopic rod 501 is fixedly connected to the top surface of the partition 311 and is electrically connected to the controller. The fixed block 502 is arranged in the housing 101 and is directly above the electric telescopic rod 501. The bottom surface of the fixed block 502 is fixedly connected to the top surface of the electric telescopic rod 501 and is electrically connected to the controller. The electromagnetic rod 503 is horizontally arranged in the housing 101, parallel to the rotation axis of the drive motor 102, and is located above the electric control telescopic rod 501. One end of the electromagnetic rod 503 passes through the fixed block 502 and is rotatably connected to the fixed block 502, and the rotation axis is parallel to the rotation axis of the drive motor 102. The electromagnetic rod 503 is electrically connected to the controller. The second pulley 504 is sleeved on the electromagnetic rod 503 and fixedly connected to the side of the electromagnetic rod 503. The second pulley 504 is connected to the first pulley 309 through an elastic belt 505. The airflow transmission component is arranged in the housing 101. The airflow transmission component is arranged on the side of the electric control telescopic rod 501 and the exhaust fan 203. The airflow transmission component is connected to the top surface of the plate and is electrically connected to the controller.

[0041] When the user wants to clean the filter 204, after the controller controls the exhaust fan 203 to rotate forward, the fan blades of the exhaust fan 203 rotate, and the airflow is discharged from the air outlet 202 through the filter 204 and the air inlet 201 out of the housing 101. During this period, the airflow transmission component will be affected by the airflow, so as to send a control signal to the controller. After the controller receives the signal from the airflow transmission component, the controller will actively control the drive motor 102 to start, and at the same time control the electric control telescopic rod 501 to rise, and energize the electromagnetic rod 503. When the electric control telescopic rod 501 rises, the electromagnetic rod 503 will gradually contact the rotating shaft of the drive motor 102. When the electromagnetic rod 503 is energized, the electromagnetic rod 503 will have magnetism, and then the rotating shaft of the drive motor 102 is connected to one end of the electromagnetic rod 503 through magnetic force. After the drive motor 102 is started, the rotation of the rotating shaft of the drive motor 102 will drive the electromagnetic rod 503 to rotate together. When the electromagnetic rod 503 rotates, it will drive the first pulley 309 to rotate together through the second pulley 504 and the elastic belt 505. The rotation of the first pulley 309 will drive the sliding rod 308 to rotate, completing the function of transmitting the components of the cleaning filter 204.

[0042] The air flow transmission component includes: a rotating plate 506, a contact block 507, and two contact points 508. The rotating plate 506 is vertically arranged in the housing 101 and is located between the electric control telescopic rod 501 and the exhaust fan 203. The rotating plate 506 is perpendicular to the top surface of the partition 311, and the bottom surface is rotatably connected to the top surface of the partition 311, and the rotation axis is perpendicular to the back of the housing 101. The contact block 507 is arranged in the housing 101 and is located between the electric control telescopic rod 501 and the rotating plate 506. The bottom surface of the contact block 507 is fixedly connected to the top surface of the partition 311. The two contact points 508 are respectively arranged on the side surface of the contact block 507 and the side surface of the rotating plate 506, and are parallel to each other and opposite to each other. The two contact points 508 are respectively fixedly connected to the side surface of the contact block 507 and the side surface of the rotating plate 506, and are electrically connected to the controller.

[0043] When the exhaust fan 203 is reversed, the fan blades of the exhaust fan 203 drive the air flow from the air outlet 202 into the housing 101, and the air flow will also blow onto the rotating plate 506. After being affected by the flow of air, the rotating plate 506 will tilt toward the air inlet 201 and gradually contact the contact block 507. When contacting the contact block 507, the two contact contacts 508 will contact each other. When the two contact contacts 508 are in contact, the two contact contacts 508 will send a control signal to the controller. After receiving the control signal, the controller will control the drive motor 102, the electromagnetic rod 503, and the electric control telescopic rod 501 to move together, so that the flow of air can be used to start the relevant transmission device to drive the cleaning device to clean the filter 204. When the exhaust fan 203 rotates forward, the airflow entering the housing 101 from the air inlet 201 will wash the other side of the rotating plate 506. At the same time, the exhaust fan 203 will also generate suction on the rotating plate 506, so that the contact contact 508 on the rotating plate 506 is separated from the contact contact 508 on the contact block 507, and stops sending signals to the controller.

[0044] The cleaning device also includes: a sewage outlet 601, a sewage pipe 602, a liquid level detector 603, and an electric control valve 604. The electric control valve 604 is arranged on the upper part of the water tank 401, and the electric control valve 604 passes through the top surface of the water tank 401 and communicates with the inside of the water tank 401. The electric control valve 604 is connected to the water supply pipe through a water pipe. The sewage outlet 601 is arranged on the top of the partition 311, which is below the filter 204, and the sewage outlet 601 is connected to the space above the partition 311. The sewage pipe 602 is arranged on the side of the shell 101 and is below the partition 311. One end of the sewage pipe 602 passes through the side of the shell 101 and communicates with the space below the partition 311. The liquid level detector 603 is arranged inside the water tank 401 and is fixedly connected to the inner wall of the water tank 401. The liquid level detector 603 is electrically connected to the controller.

[0045] When the water sprayed on the filter screen 204 is cleaned by the brush and then gradually flows on the partition 311, the sewage will enter the space formed below the partition 311 through the sewage outlet 601, and then the sewage will flow out of the housing 101 through the sewage pipe 602, thereby realizing the function of sewage treatment.

[0046] At the same time, when the water in the water tank 401 cannot submerge the liquid level detector 603, the liquid level detector 603 will send a control signal to the controller, and the controller will control the electric control valve 604 to open after receiving the signal, so that the water in the water supply pipe can flow into the water tank 401 through the electric control valve 604 and the water pipe until the water submerges the liquid level detector 603 again, and then stop sending the control signal to the controller, and the controller controls the electric control valve 604 to close, thus completing the function of automatically replenishing water to the water tank 401.

[0047] The device further comprises a photosensitive detector 701. The photosensitive detector 701 is arranged above the housing 101 and is located at the side of the water tank 401. The photosensitive detector 701 is fixedly connected to the top surface of the housing 101 and is electrically connected to the controller.

[0048] When the photosensitive detector 701 detects that the light is getting weaker at night, the photosensitive detector 701 will send a control signal to the controller, and the controller will control the exhaust fan 203 to reverse for a period of time until the filter 204 can be cleaned. When the photosensitive detector 701 detects that the light is getting stronger during the day, the photosensitive detector 701 will send a control signal to the controller, and the controller will control the exhaust fan 203 to rotate forward after receiving the signal, completing the function of indoor ventilation. The function of being able to ventilate the room during the day and clean the filter 204 at night is achieved, avoiding affecting the use of the equipment.

[0049] Working principle:

[0050] When the photosensitive detector 701 detects that the light becomes stronger during the day, the photosensitive detector 701 will send a control signal to the controller. After receiving the signal, the controller will control the exhaust fan 203 to start and rotate forward. After the exhaust fan 203 is started, the rotation of the fan blades of the exhaust fan 203 will drive the air to pass through the filter 204 from the air inlet 201 and then pass through the air outlet 202 to discharge the housing 101. The filter 204 can filter out the dust attached to the controller, thereby realizing the function of indoor ventilation.

[0051] When the photosensitive detector 701 detects that the light is getting weaker at night, the photosensitive detector 701 will send a control signal to the controller, and the controller will control the exhaust fan 203 to reverse after receiving the signal. When the exhaust fan 203 reverses, the blades of the exhaust fan 203 drive the airflow from the air outlet 202 into the housing 101, and the airflow will also blow onto the rotating plate 506. After the airflow flows, the rotating plate 506 will tilt toward the air inlet 201 and gradually contact the contact block 507. When the contact block 507 is contacted, the two contact points 508 will contact each other. When the two contact points 508 are in contact, the two contact points 508 will send a control signal to the controller. At this time, the controller will actively control the drive motor 102 to start, and at the same time control the electric control telescopic rod 501 to rise, and energize the electromagnetic rod 503. When the electric control telescopic rod 501 rises, the electromagnetic rod 503 will gradually contact the rotating shaft of the drive motor 102. When the electromagnetic rod 503 is energized, the electromagnetic rod 503 will have magnetism, and then the rotating shaft of the drive motor 102 and one end of the electromagnetic rod 503 are connected by magnetic force. Then, after the drive motor 102 is started, the rotation of the rotating shaft of the drive motor 102 will drive the electromagnetic rod 503 to rotate together. When the electromagnetic rod 503 rotates, it will drive the first pulley 309 to rotate together through the second pulley 504 and the elastic belt 505, and the rotation of the first pulley 309 will drive the sliding rod 308 to rotate. When the sliding rod 308 rotates, it will also drive the gear 305 to move together. When the gear 305 engages with a plurality of round protrusions 306, it drives the sliding plate 303 to slide in the two first sliding grooves on the two long frames of the sliding base 302, and at the same time enables the sliding rod 308 to slide in the second sliding groove 304, and drives the sliding plate 303 to move up and down in the shell 101, thereby driving the two fixed rods 301 to move up and down, so that the plurality of brushes on the two fixed rods 301 can clean the surface of the filter 204.

[0052] At the same time, when the sliding plate 303 slides upward and gradually approaches the top surface of the shell 101, the top of the sliding plate 303 will gradually approach the sprinkler button 403. When it slides upward again and squeezes the sprinkler button 403, the sprinkler button 403 will be pressed and then send a control signal to the controller. After receiving the control signal, the controller will control the two sprinklers 402 to start. After the two sprinklers 402 are started, the water in the water tank 401 will be pumped into the interior through the water pipe, and then sprayed onto the filter 204, assisted by several brushes to clean the surface of the filter 204.

[0053] After the controller controls the driving motor 102, the electric telescopic rod 501, the exhaust fan 203, and the electromagnetic rod 503 to operate for a period of time, the controller will control the driving motor 102, the electric telescopic rod 501, the exhaust fan 203, and the electromagnetic rod 503 to stop, thereby completing the cleaning of the filter 204.

[0054] When the water sprayed on the filter screen 204 is cleaned by the brush and then gradually flows on the partition 311, the sewage will enter the space formed below the partition 311 through the sewage outlet 601, and then the sewage will flow out of the housing 101 through the sewage pipe 602, thereby realizing the function of sewage treatment.

[0055] At the same time, when the water in the water tank 401 cannot submerge the liquid level detector 603, the liquid level detector 603 will send a control signal to the controller, and the controller will control the electric control valve 604 to open after receiving the signal, so that the water in the water supply pipe can flow into the water tank 401 through the electric control valve 604 and the water pipe until the water submerges the liquid level detector 603 again, and then stop sending the control signal to the controller, and the controller controls the electric control valve 604 to close, thus completing the function of automatically replenishing water to the water tank 401.

[0056] The above embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, other embodiments obtained by technicians in this field without creative work all fall within the scope of protection of the utility model.

Claims

1. A ventilation device capable of automatically cleaning a filter screen, characterized in that: include: A cleaning device, a ventilation device, a transmission device, a housing (101), a controller, and a drive motor (102); the housing (101) is arranged on the ground; the ventilation device is arranged in the housing (101), and the ventilation device is fixedly connected to the inner wall of the housing (101); the cleaning device is arranged in the housing (101), and is located to the side of the ventilation device; the cleaning device is connected to the housing (101), and is fixedly connected to the ventilation device; the drive motor (102) is arranged behind the housing (101), and is located between the cleaning device and the ventilation device. Between the ventilation devices, the base of the drive motor (102) is fixedly connected to the back of the housing (101), and the rotating shaft of the drive motor (102) passes through the back of the housing (101) and extends to the inside of the housing (101); the controller is arranged on the indoor wall and fixedly connected to the indoor wall, and the controller is electrically connected to the ventilation device; the transmission device is arranged in the housing (101) and is located below the ventilation device, and the transmission device is fixedly connected to the ventilation device and the cleaning device, and is electrically connected to the controller; The ventilation device comprises: an air inlet (201), an air outlet (202), an exhaust fan (203), and a filter (204); the air inlet (201) is arranged at the side of the shell (101) and is in communication with the interior of the shell (101); the air outlet (202) is arranged at the side of the shell (101) and is opposite to the air inlet (201), and the air outlet (202) is in communication with the interior of the shell (101); the exhaust fan (203) is arranged inside the air outlet (202) and is fixedly connected to the inner wall of the air outlet (202); the exhaust fan (203) is fixedly connected to the transmission device and is electrically connected to the controller; the filter (204) is arranged inside the shell (101) and is located between the exhaust fan (203) and the filter (204), and the filter (204) is fixedly connected to the inner wall of the shell (101); The cleaning device comprises: a plurality of cleaning brushes, two fixed rods (301), a sliding base (302), a sliding plate (303), two first sliding grooves, a second sliding groove (304), a gear (305), a plurality of round protrusions (306), a sliding frame (307), a sliding rod (308), a first pulley (309), a right-angle baffle (310); an auxiliary watering component, and a partition (311); The partition (311) is arranged horizontally inside the shell (101), parallel to the bottom surface of the shell (101), and located below the filter screen (204); the side surface of the partition (311) is fixedly connected to the inner wall of the shell (101); the sliding base (302) is a rectangular frame, and the long frames on both sides are raised; the sliding base (302) is arranged vertically inside the shell (101), and is located on the side of the filter screen (204) close to the front surface of the shell (101); the side surface of the sliding base (302) is fixedly connected to the top surface of the partition (311); the two first sliding grooves are arranged on the sliding base (302) The sliding base (302) is provided with two first sliding grooves on the inner sides of the two long frames on one side thereof, the two first sliding grooves are opposite to each other and are parallel to each other; the sliding plate (303) is arranged in the two first sliding grooves, the sliding plate (303) is slidably connected with the two first sliding grooves, and the sliding direction is perpendicular to the top surface of the housing (101); the two fixing rods (301) are transversely arranged in the housing (101) and perpendicular to the side of the sliding plate (303), the two fixing rods (301) are arranged on the side of the sliding plate (303) close to the filter screen (204), and are respectively located on both sides of the filter screen (204), and the two fixing rods (301) are arranged on the side of the sliding plate (303) close to the filter screen (204), and are respectively located on both sides of the filter screen (204). One end of the fixed rod (301) passes through the inner frame of the sliding base (302) and is fixedly connected to the side of the sliding plate (303); a plurality of brushes are evenly arranged on the sides of the two fixed rods (301) and face the filter screen (204); a plurality of brushes are fixedly connected to the sides of the two fixed rods (301); a plurality of round protrusions (306) are arranged on the side of the sliding plate (303) and are located on the sides of the two first sliding grooves; a plurality of round protrusions (306) are arranged in a straight line and are evenly arranged on the center line of the sliding plate (303); a plurality of round protrusions (306) and the sliding plate (303) is fixedly connected to the side of the sliding plate (303); the second sliding groove (304) is an annular groove and is arranged on the side of the sliding plate (303) and is between the two first sliding grooves; the sliding frame (307) is arched and is arranged in the housing (101), the inner side surface of the sliding frame (307) is fixedly connected to the outer side surface of the sliding base (302), and the surface of the sliding frame (307) corresponding to the sliding plate (303) is a frame body; one end of the sliding rod (308) passes through the frame surface of the sliding frame (307) and is slidably connected to the second sliding groove (304), and the sliding direction is an annular direction surrounding the second sliding groove (304);The tooth pitch of the gear (305) is the diameter of the round protrusion (306); the gear (305) is sleeved on the sliding rod (308) and is located between the sliding plate (303) and the sliding frame (307); the gear (305) can mesh with a plurality of the round protrusions (306) and is fixedly connected to the side of the sliding rod (308); the first pulley (309) is sleeved on the sliding rod (308) and is located on the side of the sliding frame (307) away from the gear (305); the first pulley (309) is fixedly connected to the side of the sliding rod (308) and is connected to the transmission device; the right-angle baffle (310) is provided The right-angle baffle (310) is arranged in the housing (101), the right-angle baffle (310) is arranged on the side of the filter (204) close to the air inlet (201), the right-angle baffle (310) can shield the sliding base (302), the sliding frame (307), and the gear (305), the top surface of the right-angle baffle (310) is fixedly connected to the top surface of the housing (101), the bottom surface is fixedly connected to the bottom surface of the housing (101), and the side surface of the right-angle baffle is fixedly connected to the inner side surface of the housing (101); the auxiliary water sprinkling component is arranged inside the housing (101) and is located above the two fixing rods (301), and the auxiliary water sprinkling component is fixedly connected to the top surface of the housing (101). ; 2. A ventilation device capable of automatically cleaning a filter screen according to claim 1, characterized in that: The auxiliary watering component comprises: a water tank (401), two sprinklers (402), and a sprinkler button (403); the water tank (401) is arranged above the housing (101), and the bottom surface is fixedly connected to the top surface of the housing (101); the two sprinklers (402) are arranged in the housing (101), and are respectively located above the two fixing rods (301); the two sprinklers (402) are fixedly connected to the top surface of the housing (101), and the input ports of the two sprinklers (402) are respectively connected to the inside of the water tank (401) through water pipes, and the two sprinklers (402) are electrically connected to the controller; the sprinkler button (403) is arranged in the housing (101), and is located directly above the sliding plate (303); the sprinkler button (403) is fixedly connected to the internal top surface of the housing (101), and is electrically connected to the controller.

3. A ventilation device capable of automatically cleaning a filter screen according to claim 2, characterized in that: The transmission device comprises: an electrically controlled telescopic rod (501), a fixed block (502), an electromagnetic rod (503), a second pulley (504), an elastic belt (505), and an air flow transmission component; the electrically controlled telescopic rod (501) is vertically arranged in the housing (101), perpendicular to the top surface of the partition (311), and is located between the driving motor (102) and the front surface of the housing (101); the bottom surface of the electrically controlled telescopic rod (501) is fixedly connected to the top surface of the partition (311), and is electrically connected to the controller; the fixed block (502) is arranged in the housing (101), and is located directly above the electrically controlled telescopic rod (501); the bottom surface of the fixed block (502) is fixedly connected to the top surface of the electrically controlled telescopic rod (501), and is electrically connected to the controller; the electromagnetic rod (503) is horizontally arranged in the housing (101), and is connected to the driving motor (102). The rotation axes of the motor (102) are parallel to each other and are located above the electrically controlled telescopic rod (501); one end of the electromagnetic rod (503) passes through the fixed block (502) and is rotatably connected to the fixed block (502); the rotation axis is parallel to the rotation axis of the drive motor (102); the electromagnetic rod (503) is electrically connected to the controller; the second pulley (504) is sleeved on the electromagnetic rod (503) and is fixedly connected to the side of the electromagnetic rod (503); the second pulley (504) is connected to the first pulley (309) through the elastic belt (505); the airflow transmission component is arranged in the housing (101); the airflow transmission component is arranged on the side of the electrically controlled telescopic rod (501) and the exhaust fan (203); the airflow transmission component is connected to the top surface of the plate and is electrically connected to the controller.

4. A ventilation device capable of automatically cleaning a filter screen according to claim 3, characterized in that: The air flow transmission component comprises: a rotating plate (506), a contact block (507), and two contact points (508); the rotating plate (506) is vertically arranged in the housing (101) and is located between the electric control telescopic rod (501) and the exhaust fan (203); the rotating plate (506) is perpendicular to the top surface of the partition (311), and the bottom surface is rotatably connected to the top surface of the partition (311), and the rotation axis is perpendicular to the back surface of the housing (101); the contact block (507) is arranged on the housing (101) The contact block (507) is located inside the electronically controlled telescopic rod (501) and between the rotating plate (506), and the bottom surface of the contact block (507) is fixedly connected to the top surface of the partition (311); the two contact points (508) are respectively arranged on the side surface of the contact block (507) and the side surface of the rotating plate (506), and are parallel to each other and opposite to each other. The two contact points (508) are respectively fixedly connected to the side surface of the contact block (507) and the side surface of the rotating plate (506), and are electrically connected to the controller.

5. A ventilation device capable of automatically cleaning a filter screen according to claim 2, characterized in that: The cleaning device further comprises: a sewage outlet (601), a sewage pipe (602), a liquid level detector (603), and an electric control valve (604); the electric control valve (604) is arranged on the upper part of the water tank (401), and the electric control valve (604) penetrates the top surface of the water tank (401) and is in communication with the inside of the water tank (401); the electric control valve (604) is in communication with the water supply pipe through a water pipe; the sewage outlet (601) is arranged on the top of the partition (311), which is below the filter screen (204); The sewage outlet (601) is connected to the space above the partition (311); the sewage pipe (602) is arranged on the side of the outer shell (101) and is located below the partition (311); one end of the sewage pipe (602) passes through the side of the outer shell (101) and is connected to the space below the partition (311); the liquid level detector (603) is arranged inside the water tank (401) and is fixedly connected to the inner wall of the water tank (401); the liquid level detector (603) is electrically connected to the controller.

6. A ventilation device capable of automatically cleaning a filter screen according to claim 2, characterized in that: Also includes: A photosensitive detector (701); the photosensitive detector (701) is arranged above the housing (101) and is located on the side of the water tank (401); the photosensitive detector (701) is fixedly connected to the top surface of the housing (101) and is electrically connected to the controller.

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