An indoor high-efficiency ventilation and air exchange device

Abstract

The present invention relates to the technical field of ventilation devices, and particularly relates to an indoor high-efficiency ventilation and air exchange device. An indoor high-efficiency ventilation and air exchange device includes an outer cylinder and a filtering mechanism. The filtering mechanism includes a first filter cylinder and a second filter cylinder. The filtering mechanism has a first state and a second state. In the first state of the filtering mechanism, the diameter of the first end of the first filter cylinder is greater than the diameter of the second end of the first filter cylinder. The diameter of the third end of the second filter cylinder is less than the diameter of the fourth end of the second filter cylinder. In the second state of the filtering mechanism, the diameters of the first end and the second end of the first filter cylinder are the same, and the diameters of the third end and the fourth end of the second filter cylinder are the same. By mutually transforming between the first state and the second state of the filtering mechanism, the dust on the first filter cylinder and the second filter cylinder is squeezed. The present invention provides an indoor high-efficiency ventilation and air exchange device to solve the problem that the existing ventilation device cannot actively clean the filter screen during use, thereby affecting the filtering effect of the filter screen.

Description

Technical Field

[0001] The present invention relates to the technical field of ventilation devices, and particularly to an indoor high-efficiency ventilation and air exchange device. Background Art

[0002] Ventilation equipment is a series of equipment used to improve indoor air quality, maintain air circulation, and meet specific environmental requirements. Relying on mechanical air supply and air extraction, it forces the formation of a fresh air flow field within the system. That is, by sending fresh outdoor air into the room on one side and exhausting the dirty indoor air on the other side, a "fresh air flow field" is formed indoors to meet the continuous freshness requirement of indoor air. In indoor high-efficiency ventilation and air exchange equipment, the removal of impurities in the air is a key step to ensure air quality, and its function is to remove particulate matter, microorganisms, and aerosols in the air through physical or chemical means. Filter bags are often used to remove impurities in the air. When air passes through the filter bag, the impurities are intercepted on the surface of the filter bag, and gas-solid separation is achieved by means of screening, inertial collision, electrostatic adsorption, etc.

[0003] For example, the invention patent with the publication number CN111412569B provides a ventilation and air exchange device for indoor air purification of buildings. Through the provided ventilation and air exchange device, the secondary filtration of air by a filter net can be realized, improving the filtration efficiency. However, during the use of this ventilation device, the filter net cannot be actively cleaned, and the fine dust attached to it cannot be removed, resulting in incomplete cleaning and thus affecting the filtration effect of the filter net. Summary of the Invention

[0004] The present invention provides an indoor high-efficiency ventilation and air exchange device to solve the problem that the existing ventilation device cannot actively clean the filter net during use and cannot remove the fine dust attached to it, resulting in incomplete cleaning and thus affecting the filtration effect of the filter net.

[0005] The following technical solution is adopted for an indoor high-efficiency ventilation and air exchange device of the present invention: An indoor high-efficiency ventilation and air exchange device includes an outer cylinder, a filtering mechanism, an air intake mechanism, and an adjusting mechanism. The filtering mechanism includes a first filter cylinder and a second filter cylinder disposed inside the outer cylinder. The first filter cylinder and the second filter cylinder are both coaxial with the outer cylinder, and the second filter cylinder is inside the first filter cylinder.

[0006] The two ends of the first filter cylinder are respectively a first end and a second end. The two ends of the second filter cylinder are respectively a third end and a fourth end. The first end of the first filter cylinder and the third end of the second filter cylinder are at the same end. The air flow provided by the air intake mechanism enters between the first filter cylinder and the second filter cylinder from the first end of the first filter cylinder, and is discharged from the outside of the first filter cylinder and the inside of the second filter cylinder after being filtered by the first filter cylinder and the second filter cylinder.

[0007] Both the first filter cartridge and the second filter cartridge can be deformed. The filtering mechanism has a first state and a second state. In the first state of the filtering mechanism, the diameter of the first end of the first filter cartridge is greater than the diameter of the second end of the first filter cartridge. The diameter of the third end of the second filter cartridge is less than the diameter of the fourth end of the second filter cartridge. In the second state of the filtering mechanism, the diameters of the first end and the second end of the first filter cartridge are the same, and the diameters of the third end and the fourth end of the second filter cartridge are the same. The adjusting mechanism enables the filtering mechanism to complete the mutual transformation between the first state and the second state by controlling the magnitude of the air volume entering between the first filter cartridge and the second filter cartridge, thereby squeezing the dust on the first filter cartridge and the second filter cartridge.

[0008] Further, a baffle is arranged inside the outer cylinder, and the baffle is at the first end of the first filter cartridge. The first filter cartridge includes a plurality of first filter plates distributed along the circumferential direction of the outer cylinder. Two adjacent first filter plates are fixedly connected, and the angle between two adjacent first filter plates can be changed. The first filter plate is hinged to the baffle. The second filter cartridge includes a plurality of second filter plates distributed along the circumferential direction of the outer cylinder. Two adjacent second filter plates are fixedly connected, and the angle between two adjacent second filter plates can be changed. The second filter plate is hinged to the baffle.

[0009] Further, a first annular channel is formed on the baffle, and the first annular channel is coaxially arranged with the outer cylinder. The space between the first filter cartridge and the second filter cartridge is a filtering channel. The two ends of the filtering channel are respectively an air inlet and an air outlet, and the air inlet is communicated with the first annular channel.

[0010] The filtering mechanism further includes a plugging component. The plugging component includes a sliding bearing plate and a first plugging ring. The sliding bearing plate is arranged inside the outer cylinder. The first through-hole component, the second through-hole component, and the third through-hole component are sequentially formed on the sliding bearing plate from the inside to the outside. The first through-hole component includes a first through-hole, and the first through-hole is communicated with the second filter cartridge. The second through-hole component includes a plurality of second through-holes, and the second through-holes are communicated with the filtering channel. The third through-hole component includes a plurality of third through-holes, and the third through-holes are communicated with the space between the outer cylinder and the first filter cartridge.

[0011] The first plugging ring is rotatably arranged on the sliding bearing plate. The first plugging ring is coaxially arranged with the outer cylinder. A plurality of fourth through-holes are formed on the first plugging ring, and the plurality of fourth through-holes are sequentially distributed along the circumferential direction of the first plugging ring. Each fourth through-hole is communicated with a second through-hole.

[0012] Further, the adjusting mechanism includes a first adjusting component. The first adjusting component includes a connecting plate and a second plugging ring. The connecting plate is arranged inside the outer cylinder, and the connecting plate is on the side of the baffle away from the first filter cartridge. A plurality of first adjusting holes are formed on the connecting plate along the circumferential direction of the outer cylinder. The second plugging ring is rotatably arranged inside the outer cylinder. The second plugging ring is coaxially arranged with the outer cylinder. A plurality of second adjusting holes are formed on the second plugging ring, and each second adjusting hole is communicated with a first adjusting hole.

[0013] Further, the first adjusting assembly further includes a transmission unit, and the transmission unit includes a rotating shaft, a central gear, a ring gear, and a plurality of planet gears. The rotating shaft is rotatably arranged on the baffle, and the rotating shaft and the outer cylinder are coaxially arranged. The central gear is fixedly arranged on the rotating shaft, and the ring gear is fixedly arranged on the second sealing ring. The planet gears are rotatably arranged on the connecting plate, and the planet gears are meshed with the central gear and the ring gear.

[0014] Further, the air intake mechanism includes a motor and a fan. The motor is fixedly arranged on the baffle, and the output shaft of the motor is fixedly connected to the rotating shaft. The fan is fixedly arranged on the rotating shaft.

[0015] Further, a plurality of first sliding grooves are formed in the sliding bearing plate. The plurality of first sliding grooves are sequentially distributed along the circumferential direction of the outer cylinder, and each first sliding groove is arranged along the radial direction of the outer cylinder. A plurality of first sliding blocks are fixedly arranged at the second end of the first filter cartridge, and each first sliding block is slidably arranged in a first sliding groove. A plurality of second sliding blocks are fixedly arranged at the fourth end of the second filter cartridge, and each second sliding block is slidably arranged in a first sliding groove.

[0016] The adjusting mechanism includes a second adjusting assembly. The second adjusting assembly includes a plurality of adjusting units. Each adjusting unit is arranged in a first sliding groove. Each adjusting unit includes a first damping rod, a first spring, a second damping rod, and a second spring. Both the first damping rod and the second damping rod can be telescoped.

[0017] Each first damping rod connects the first sliding groove and a first sliding block. Each first spring is sleeved on a first damping rod, and the first spring connects the first sliding groove and the first sliding block. Each second damping rod connects the first sliding groove and a second sliding block. Each second spring is sleeved on a second damping rod, and the second spring connects the first sliding groove and a second sliding block.

[0018] Further, a sliding shaft is fixedly arranged on one of the first sliding blocks. The sliding shaft is slidably arranged in a first sliding groove. A first arc groove is formed in the first sealing ring, and the first arc groove communicates with the first sliding groove provided with the sliding shaft. An indoor high-efficiency ventilation and air exchange device further includes a cleaning mechanism. The cleaning mechanism includes a sliding block, a first telescopic rod, and a third spring. The sliding block is slidably arranged in the first arc groove along the circumferential direction of the first sealing ring. A first inclined groove is formed in the sliding block, and the first inclined groove is inclined. The sliding shaft passes through the first sliding groove and is then slidably arranged in the first inclined groove. The first telescopic rod is fixedly connected to the first sealing ring and the sliding block. The third spring is sleeved on the first telescopic rod, and the third spring connects the first sealing ring and the sliding block.

[0019] Further, the cleaning mechanism further includes a locking component, which includes a second telescopic rod and a clamping block. The second telescopic rod is fixedly arranged on the first sealing ring, and the second telescopic rod is arranged along the axial direction of the first sealing ring. The clamping block is fixedly arranged on the second telescopic rod, and a first inclined surface is arranged on the clamping block. A limiting groove is formed on the sliding bearing plate, the clamping block is arranged in the limiting groove, and a second inclined surface that abuts against the first inclined surface is arranged in the limiting groove.

[0020] Further, the cleaning mechanism further includes a dust collection box, which is fixedly arranged on the sliding bearing plate and is communicated with the second through hole.

[0021] The beneficial effects of the present invention are as follows: An indoor high-efficiency ventilation and air exchange device of the present invention, through the provided filtering mechanism and adjusting mechanism, in the initial state, the filtering mechanism is in the first state. The air flow provided by the air intake mechanism enters between the first filter cylinder and the second filter cylinder from the first end of the first filter cylinder and is discharged after being filtered by the first filter cylinder and the second filter cylinder.

[0022] By controlling the amount of air volume entering between the first filter cylinder and the second filter cylinder through the adjusting mechanism, when the air volume is large, the wind blows the second end of the first filter cylinder and the fourth end of the second filter cylinder away from each other, so that the filtering mechanism changes from the first state to the second state. The fourth end of the second filter cylinder contracts inward, and the dust on the second filter cylinder is squeezed, thereby facilitating the collection of dust. And the second filter plate is preliminarily cleaned, which helps to improve the filtering effect. The second end of the first filter cylinder expands outward, thereby increasing the filtering area of the first filter cylinder and preventing the filtering efficiency from being affected due to the reduction of the filtering area of the second filter cylinder, thus ensuring the filtering effect. When the air volume is small, the adjusting mechanism drives the filtering mechanism to change from the second state to the first state. The first state and the second state of the filtering mechanism are continuously switched, while not affecting the filtering effect of the filtering mechanism, the first filter cylinder and the second filter cylinder are automatically cleaned respectively, improving the filtering efficiency. Description of the Drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0024] Figure 1 It is a schematic structural diagram of an indoor high-efficiency ventilation and air exchange device provided by an embodiment of the present invention;

[0025] Figure 2 It is a cross-sectional view of an indoor high-efficiency ventilation and air exchange device provided by an embodiment of the present invention;

[0026] Figure 3 The enlarged view of part A in Figure 2 ;

[0027] Figure 4 The enlarged view of part B in Figure 2 ;

[0028] Figure 5 The exploded view of part of the structure of an indoor high - efficiency ventilation and air - change device provided by an embodiment of the present invention;

[0029] Figure 6 The enlarged view of part C in Figure 5 ;

[0030] Figure 7 The enlarged view of part D in Figure 5 ;

[0031] Figure 8 The partial structure schematic diagram of the filtering mechanism and the adjusting mechanism of an indoor high - efficiency ventilation and air - change device provided by an embodiment of the present invention;

[0032] Figure 9 The structure schematic diagram of the cleaning mechanism of an indoor high - efficiency ventilation and air - change device provided by an embodiment of the present invention;

[0033] Figure 10 The structure schematic diagram of the sliding bearing plate of an indoor high - efficiency ventilation and air - change device provided by an embodiment of the present invention;

[0034] Figure 11 The structure schematic diagram of an indoor high - efficiency ventilation and air - change device when the filtering mechanism is in the second state provided by an embodiment of the present invention;

[0035] Figure 12 The structure schematic diagram of the first filter cartridge and the second filter cartridge of an indoor high - efficiency ventilation and air - change device when the filtering mechanism is in the second state provided by an embodiment of the present invention;

[0036] Figure 13 The enlarged view of part E in Figure 12 ;

[0037] Figure 14 The enlarged view of part F in Figure 2 ;

[0038] In the figure: 100, outer cylinder; 110, support; 120, baffle; 121, first annular channel; 200, first filter cartridge; 201, first filter plate; 202, first slider; 203, sliding shaft; 210, second filter cartridge; 211, second filter plate; 212, second slider; 300, sliding bearing plate; 301, first through hole; 302, second through hole; 303, third through hole; 304, first chute; 305, limiting groove; 310, first sealing ring; 311, fourth through hole; 312, first arc groove; 400, connecting plate; 401, first adjustment hole; 410, second sealing ring; 500, rotating shaft; 520, gear ring; 530, planetary gear; 540, motor; 550, fan; 600, first damping rod; 610, first spring; 620, second damping rod; 630, second spring; 700, sliding block; 701, first inclined groove; 710, first telescopic rod; 720, third spring; 800, second telescopic rod; 810, clamping block; 900, dust collection box. Detailed implementation manners

[0039] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a 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 those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0040] Refer to Figures 1 to 14 As shown in the figure, an indoor high-efficiency ventilation and air exchange device provided by an embodiment of the present invention includes a support 110, an outer cylinder 100, a filtering mechanism, an air intake mechanism, and an adjusting mechanism. The outer cylinder 100 is fixedly arranged on the support 110, and the outer cylinder 100 is horizontally arranged. The filtering mechanism includes a first filter cartridge 200 and a second filter cartridge 210 arranged in the outer cylinder 100. The first filter cartridge 200 and the second filter cartridge 210 are both coaxial with the outer cylinder 100, and the second filter cartridge 210 is located inside the first filter cartridge 200.

[0041] The two ends of the first filter cartridge 200 are respectively a first end and a second end. The two ends of the second filter cartridge 210 are respectively a third end and a fourth end. The first end of the first filter cartridge 200 and the third end of the second filter cartridge 210 are at the same end, and the second end of the first filter cartridge 200 and the fourth end of the second filter cartridge 210 are at the same end. The air flow provided by the air intake mechanism enters between the first filter cartridge 200 and the second filter cartridge 210 from the first end of the first filter cartridge 200, and is discharged from the outside of the first filter cartridge 200 and the inside of the second filter cartridge 210 after being filtered by the first filter cartridge 200 and the second filter cartridge 210.

[0042] Both the first filter cartridge 200 and the second filter cartridge 210 can be deformed. The filtering mechanism has a first state and a second state. In the first state of the filtering mechanism, the diameter of the first end of the first filter cartridge 200 is greater than the diameter of the second end of the first filter cartridge 200. The diameter of the third end of the second filter cartridge 210 is smaller than the diameter of the fourth end of the second filter cartridge 210. In the second state of the filtering mechanism, the diameters of the first end and the second end of the first filter cartridge 200 are the same, and the diameters of the third end and the fourth end of the second filter cartridge 210 are the same.

[0043] The adjusting mechanism enables the filtering mechanism to complete the mutual transformation between the first state and the second state by controlling the magnitude of the air volume entering between the first filter cartridge 200 and the second filter cartridge 210. When the air volume is large, the filtering mechanism changes from the first state to the second state; when the air volume is small, the filtering mechanism changes from the second state to the first state, thereby squeezing the dust on the first filter cartridge 200 and the second filter cartridge 210.

[0044] In the initial state, the filtering mechanism is in the first state. The airflow provided by the air intake mechanism enters between the first filter cartridge 200 and the second filter cartridge 210 from the first end of the first filter cartridge 200 and is discharged after being filtered by the first filter cartridge 200 and the second filter cartridge 210.

[0045] By controlling the magnitude of the air volume entering between the first filter cartridge 200 and the second filter cartridge 210 through the adjusting mechanism, when the air volume is large, the wind blows the second end of the first filter cartridge 200 and the fourth end of the second filter cartridge 210 away from each other, so that the filtering mechanism changes from the first state to the second state. The fourth end of the second filter cartridge 210 contracts inward, and the dust on the second filter cartridge 210 is squeezed, which is convenient for collecting the dust. And the second filter plate 211 is preliminarily cleaned, which helps to improve the filtering effect. The second end of the first filter cartridge 200 expands outward, thereby increasing the filtering area of the first filter cartridge 200 and preventing the reduction of the filtering area of the second filter cartridge 210 from affecting the filtering efficiency, thus ensuring the filtering effect. When the air volume is small, the adjusting mechanism drives the filtering mechanism to change from the second state to the first state. The first state and the second state of the filtering mechanism are continuously switched, which automatically cleans the first filter cartridge 200 and the second filter cartridge 210 respectively while not affecting the filtering effect of the filtering mechanism, and improves the filtering efficiency.

[0046] In this embodiment, a baffle 120 is fixedly arranged inside the outer cylinder 100, and the baffle 120 is located at the first end of the first filter cartridge 200. The first filter cartridge 200 includes a plurality of first filter plates 201, and the plurality of first filter plates 201 are sequentially distributed along the circumferential direction of the outer cylinder 100. Two adjacent first filter plates 201 are fixedly connected, and the angle between two adjacent first filter plates 201 can be changed. The first filter plate 201 is hinged to the baffle 120, and a plurality of first filter holes are formed in the first filter plate 201. The second filter cartridge 210 includes a plurality of second filter plates 211, and the plurality of second filter plates 211 are sequentially distributed along the circumferential direction of the outer cylinder 100. Two adjacent second filter plates 211 are fixedly connected, and the angle between two adjacent second filter plates 211 can be changed. The second filter plate 211 is hinged to the baffle 120, and a plurality of second filter holes are formed in the second filter plate 211.

[0047] When the second end of the first filter cartridge 200 contracts, two adjacent first filter plates 201 are mutually extruded, thereby extruding the dust. When the fourth end of the second filter cartridge 210 contracts, two adjacent second filter plates 211 are mutually extruded, thereby extruding the dust.

[0048] In this embodiment, a first annular channel 121 is formed in the baffle 120, and the first annular channel 121 is coaxially arranged with the outer cylinder 100. The space between the first filter cartridge 200 and the second filter cartridge 210 is a filter channel, and the two ends of the filter channel are an air inlet and an air outlet respectively. The air inlet is close to the first end of the first filter cartridge 200, the air outlet is close to the second end of the first filter cartridge 200, and the air inlet is communicated with the first annular channel 121, so that the air entering the outer cylinder 100 enters the filter channel through the first annular channel 121 and the air inlet.

[0049] The filtering mechanism further includes a plugging component, and the plugging component includes a sliding bearing plate 300 and a first plugging ring 310. A limiting ring groove is formed in the outer cylinder 100, and the limiting ring groove is coaxially arranged with the outer cylinder 100. The sliding bearing plate 300 is arranged in the limiting ring groove, and the sliding bearing plate 300 can slide along the axial direction of the outer cylinder 100. A first through-hole component, a second through-hole component and a third through-hole component are sequentially formed in the sliding bearing plate 300 from the inside to the outside. The first through-hole component includes a first through-hole 301, and the first through-hole 301 is communicated with the second filter cartridge 210. The second through-hole component includes a plurality of second through-holes 302, and the third through-hole component includes a plurality of third through-holes 303. The plurality of second through-holes 302 and the plurality of third through-holes 303 are both distributed along the circumferential direction of the outer cylinder 100, and the second through-holes 302 are communicated with the filter channel. The third through-holes 303 are communicated with the space between the outer cylinder 100 and the first filter cartridge 200.

[0050] The first sealing ring 310 is rotatably arranged on the sliding bearing plate 300. The first sealing ring 310 is coaxially arranged with the outer cylinder 100. A plurality of fourth through holes 311 are formed in the first sealing ring 310, and the plurality of fourth through holes 311 are sequentially distributed along the circumferential direction of the first sealing ring 310. Each fourth through hole 311 is used to communicate with a second through hole 302.

[0051] When the filtering mechanism is in the first state, the fourth through hole 311 and the second through hole 302 are not communicated. The air entering the outer cylinder 100 enters the filtering channel through the first annular channel 121. Then the gas is filtered by the first filter cartridge 200 and the second filter cartridge 210. The gas filtered by the first filter cartridge 200 is discharged from the outer cylinder 100 through a plurality of third through holes 303. The gas filtered by the second filter cartridge 210 is discharged from the outer cylinder 100 through the first through hole 301.

[0052] In this embodiment, the adjusting mechanism includes a first adjusting component. The first adjusting component includes a connecting plate 400 and a second sealing ring 410. The connecting plate 400 is fixedly arranged in the outer cylinder 100, and the connecting plate 400 is on the side of the baffle 120 away from the first filter cartridge 200. A plurality of first adjusting holes 401 are formed in the connecting plate 400, and the plurality of first adjusting holes 401 are sequentially distributed along the circumferential direction of the outer cylinder 100.

[0053] The second sealing ring 410 is rotatably arranged in the outer cylinder 100. The second sealing ring 410 is coaxially arranged with the outer cylinder 100. A plurality of second adjusting holes are formed in the second sealing ring 410, and the plurality of second adjusting holes are sequentially distributed along the circumferential direction of the outer cylinder 100. Each second adjusting hole communicates with a first adjusting hole 401. When the second sealing ring 410 rotates, the overlapping area of the first adjusting hole 401 and the second adjusting hole is continuously changed, thereby continuously changing the flow rate of the gas entering the filtering channel.

[0054] In this embodiment, the first adjusting component further includes a transmission unit. The transmission unit includes a rotating shaft 500, a central gear, a toothed ring 520 and a plurality of planet gears 530. The rotating shaft 500 is rotatably arranged on the baffle 120. The rotating shaft 500 is coaxially arranged with the outer cylinder 100. The central gear is fixedly arranged on the rotating shaft 500, and the toothed ring 520 is fixedly arranged on the second sealing ring 410. The planet gears 530 are rotatably arranged on the connecting plate 400. The planet gears 530 are meshed with the central gear and the toothed ring 520. When the rotating shaft 500 rotates, the planet gears 530 are driven to rotate through the central gear, and then the second sealing ring 410 is driven to rotate through the toothed ring 520.

[0055] In this embodiment, the intake mechanism includes a motor 540 and a fan 550. The motor 540 is fixedly arranged on the baffle 120, and the output shaft of the motor 540 is fixedly connected to the rotating shaft 500. The fan 550 is fixedly arranged on the rotating shaft 500. The fan 550 introduces air flow from the first end to the second end of the first filter cartridge 200 into the outer cylinder 100.

[0056] In this embodiment, a plurality of first sliding grooves 304 are formed in the sliding bearing plate 300. The plurality of first sliding grooves 304 are sequentially distributed along the circumferential direction of the outer cylinder 100, and each first sliding groove 304 is arranged along the radial direction of the outer cylinder 100.

[0057] A plurality of first sliding blocks 202 are fixedly arranged at the second end of the first filter cartridge 200. The plurality of first sliding blocks 202 are sequentially distributed along the circumferential direction of the first filter cartridge 200. Each first sliding block 202 is slidably arranged in a first sliding groove 304. A plurality of second sliding blocks 212 are fixedly arranged at the fourth end of the second filter cartridge 210. The plurality of second sliding blocks 212 are sequentially distributed along the circumferential direction of the second filter cartridge 210. Each second sliding block 212 is slidably arranged in a first sliding groove 304.

[0058] The adjusting mechanism includes a second adjusting component. The second adjusting component includes a plurality of adjusting units. Each adjusting unit is arranged in a first sliding groove 304. Each adjusting unit includes a first damping rod 600, a first spring 610, a second damping rod 620, and a second spring 630. Both the first damping rod 600 and the second damping rod 620 can be telescoped.

[0059] Each first damping rod 600 connects one end of the first sliding groove 304 far from the axis of the outer cylinder 100 and a first sliding block 202. Each first spring 610 is sleeved on a first damping rod 600, and the first spring 610 connects the first sliding groove 304 and the first sliding block 202. Each second damping rod 620 connects one end of the first sliding groove 304 close to the axis of the outer cylinder 100 and a second sliding block 212. Each second spring 630 is sleeved on a second damping rod 620, and the second spring 630 connects the first sliding groove 304 and a second sliding block 212.

[0060] When there is more gas entering the filtering channel, the gas pushes the first sliding block 202 to move in the first sliding groove 304 in a direction away from the second filter cartridge 210, and the first damping rod 600 and the first spring 610 are compressed. And it pushes the second sliding block 212 to move in the first sliding groove 304 in a direction away from the first filter cartridge 200, and the second damping rod 620 and the second spring 630 are compressed. The filtering mechanism changes from the first state to the second state. Then when there is less gas entering the filtering channel, the first spring 610 and the second spring 630, the first damping rod 600 and the second damping rod 620 reset, so that the filtering mechanism changes from the second state to the first state.

[0061] In this embodiment, a sliding shaft 203 is fixedly arranged on one of the first sliders 202, and the sliding shaft 203 is slidably arranged in a first sliding groove 304. A first arc groove 312 is formed in the first sealing ring 310, and the first arc groove 312 and the first sealing ring 310 are coaxially arranged. The first arc groove 312 communicates with the first sliding groove 304 where the sliding shaft 203 is arranged.

[0062] An indoor high-efficiency ventilation and air change device further includes a cleaning mechanism, and the cleaning mechanism includes a sliding block 700, a first telescopic rod 710 and a third spring 720. The sliding block 700 is slidably arranged in the first arc groove 312 along the circumferential direction of the first sealing ring 310. A first inclined groove 701 is formed in the sliding block 700, and the first inclined groove 701 is inclined. The sliding shaft 203 is slidably arranged in the first inclined groove 701 after passing through the first sliding groove 304. The first telescopic rod 710 is fixedly connected to the first sealing ring 310 and the sliding block 700, the third spring 720 is sleeved on the first telescopic rod 710, and the third spring 720 connects the first sealing ring 310 and the sliding block 700.

[0063] When the first filter cartridge 200 and the second filter cartridge 210 are severely blocked, the gas blows the second end of the first filter cartridge 200 to expand outwards, and the first slider 202 slides in the first sliding groove 304. At this time, the sliding shaft 203 slides in the first inclined groove 701. Since the first inclined groove 701 is inclined, when the sliding shaft 203 slides in the first inclined groove 701, it pushes the sliding block 700 to slide in the first arc groove 312, and the sliding block 700 squeezes the first telescopic rod 710 and the third spring 720.

[0064] The third spring 720 squeezes the first sealing ring 310 and pushes the first sealing ring 310 to rotate, so that each fourth through hole 311 on the first sealing ring 310 is used to communicate with a second through hole 302. The gas passes through the fourth through hole 311 and the second through hole 302, and blows out the dust in the filter channel.

[0065] In this embodiment, the cleaning mechanism further includes a locking component, which includes a second telescopic rod 800 and a clamping block 810. The second telescopic rod 800 is fixedly arranged on the first sealing ring 310, and the second telescopic rod 800 is arranged along the axial direction of the first sealing ring 310. The clamping block 810 is fixedly arranged on the second telescopic rod 800, and a first inclined surface is arranged on the clamping block 810. A limiting groove 305 is formed on the sliding bearing plate 300, the clamping block 810 is arranged in the limiting groove 305, and a second inclined surface that abuts against the first inclined surface is arranged in the limiting groove 305. In the initial state, the clamping block 810 is in the limiting groove 305. When the sliding block 700 slides in the first arc groove 312, the third spring 720 presses the first sealing ring 310. When the third spring 720 is compressed to enable the clamping block 810 to disengage from the limiting groove 305, the third spring 720 quickly elongates and pushes the first sealing ring 310 to rotate.

[0066] In this embodiment, the cleaning mechanism further includes a dust collection box 900, which is fixedly arranged on the sliding bearing plate 300, and the dust collection box 900 is communicated with the second through hole 302. A plurality of third filter holes are formed on the dust collection box 900. After the fourth through hole 311 is communicated with the second through hole 302, the dust in the filter channel is blown into the dust collection box 900, thereby completing the cleaning of the first filter cartridge 200 and the second filter cartridge 210 and the collection of the dust.

[0067] Working process: In the initial state, the filtering mechanism is in the first state, and the fourth through hole 311 on the first sealing ring 310 is not communicated with the second through hole 302 on the sliding bearing plate 300. The clamping block 810 is in the limiting groove 305.

[0068] Start the motor 540. The motor 540 drives the fan 550 to rotate through the rotating shaft 500. When the fan 550 rotates, an air flow from the first end to the second end of the first filter cartridge 200 is introduced into the outer cylinder 100. The gas enters the outer cylinder 100 and enters the filter channel through the first annular channel 121. Then the gas is filtered by the first filter cartridge 200 and the second filter cartridge 210. The gas filtered by the first filter cartridge 200 is discharged from the outer cylinder 100 through a plurality of third through holes 303. The gas filtered by the second filter cartridge 210 is discharged from the outer cylinder 100 through the first through hole 301.

[0069] When the rotating shaft 500 rotates, it drives the planet gear 530 to rotate through the central gear, and then drives the second sealing ring 410 to rotate through the gear ring 520. When the second sealing ring 410 rotates, the overlapping area of the first adjustment hole 401 and the second adjustment hole is continuously changed, and then the flow rate of the gas entering the filter channel is continuously changed. The overlapping area of the first adjustment hole 401 and the second adjustment hole gradually decreases and then gradually increases.

[0070] When there is a large amount of gas entering the filtration channel, the gas pushes the first slider 202 to move away from the second filter cartridge 210 in the first chute 304, compressing the first damping rod 600 and the first spring 610. And it pushes the second slider 212 to move away from the first filter cartridge 200 in the first chute 304, compressing the second damping rod 620 and the second spring 630. The filtration mechanism changes from the first state to the second state.

[0071] The fourth end of the second filter cartridge 210 contracts inward, and two adjacent second filter plates 211 are pressed against each other, thereby squeezing the dust, facilitating the collection of the dust, and performing a preliminary cleaning on the second filter plates 211, which helps to improve the filtration effect. The second end of the first filter cartridge 200 expands outward, and the angle between two adjacent first filter plates 201 increases, thereby increasing the filtration area of the first filter cartridge 200 and preventing the filtration efficiency from being affected due to the reduction of the filtration area of the second filter cartridge 210, thus ensuring the filtration effect.

[0072] After that, when there is less gas entering the filtration channel, the first spring 610 and the second spring 630, the first damping rod 600 and the second damping rod 620 reset, causing the filtration mechanism to change from the second state to the first state. The second end of the first filter cartridge 200 contracts inward, and two adjacent first filter plates 201 are pressed against each other, thereby squeezing the dust, facilitating the collection of the dust, and performing a preliminary cleaning on the first filter plates 201. The first state and the second state of the filtration mechanism are continuously switched to clean the first filter cartridge 200 and the second filter cartridge 210 respectively.

[0073] When the first filter cartridge 200 and the second filter cartridge 210 are severely blocked, the air pressure in the filtration channel increases, and the gas blows the second end of the first filter cartridge 200 to expand outward, and the fourth end of the second filter cartridge 210 contracts inward. At this time, the filtration mechanism is in the second state.

[0074] When the first slider 202 slides in the first chute 304, the sliding shaft 203 slides in the first inclined chute 701. Since the first inclined chute 701 is inclined, when the sliding shaft 203 slides in the first inclined chute 701, it pushes the sliding block 700 to slide in the first arc chute 312, and the sliding block 700 squeezes the first telescopic rod 710 and the third spring 720.

[0075] The third spring 720 squeezes the first sealing ring 310. When the third spring 720 is compressed to a point where the latch 810 can disengage from the limit groove 305, the third spring 720 quickly elongates and pushes the first sealing ring 310 to rotate, so that each fourth through hole 311 on the first sealing ring 310 is used to communicate with a second through hole 302.

[0076] The gas passes through the fourth through-hole 311 and the second through-hole 302, blowing the dust in the filtering channel into the dust collection box 900, thereby completing the cleaning of the first filter cartridge 200 and the second filter cartridge 210. Moreover, due to the action of the first damping rod 600 and the second damping rod 620, when the filtering mechanism changes from the second state to the first state, it is relatively slow, so the reset of the sliding block 700 is relatively slow, which is sufficient to blow the dust in the filtering channel into the dust collection box 900.

[0077] And when the filtering mechanism is in the second state, the first filter cartridge 200 and the second filter cartridge 210 are arranged in parallel. Due to the Bernoulli principle, the first filter cartridge 200 and the second filter cartridge 210 vibrate, thereby cleaning the dust on the first filter cartridge 200 and the second filter cartridge 210.

[0078] The first filter cartridge 200 and the second filter cartridge 210 are gradually cleaned. When the filtering mechanism starts to change from the second state to the first state, the sliding shaft 203 drives the sliding block 700 to reset. The sliding block 700 drives the first sealing ring 310 to reset and rotate through the third spring 720, so that the fourth through-hole 311 and its corresponding second through-hole 302 are no longer connected.

[0079] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An indoor high-efficiency ventilation device, characterized in that: It includes an outer cylinder, a filtering mechanism, an air intake mechanism and an adjusting mechanism; the filtering mechanism includes a first filter cartridge and a second filter cartridge arranged in the outer cylinder; the first filter cartridge and the second filter cartridge are coaxial with the outer cylinder, and the second filter cartridge is in the first filter cartridge; The two ends of the first filter cartridge are respectively the first end and the second end; the two ends of the second filter cartridge are respectively the third end and the fourth end; the first end of the first filter cartridge and the third end of the second filter cartridge are at the same end; the airflow provided by the air intake mechanism enters between the first filter cartridge and the second filter cartridge from the first end of the first filter cartridge, and is discharged from the outside of the first filter cartridge and the inside of the second filter cartridge after being filtered by the first filter cartridge and the second filter cartridge; The first filter cartridge and the second filter cartridge are both deformable; the filter mechanism has a first state and a second state, the first state of the filter mechanism is that the diameter of the first end of the first filter cartridge is larger than the diameter of the second end of the first filter cartridge; the diameter of the third end of the second filter cartridge is smaller than the diameter of the fourth end of the second filter cartridge; the second state of the filter mechanism is that the diameters of the first end and the second end of the first filter cartridge are the same, and the diameters of the third end and the fourth end of the second filter cartridge are the same; the adjustment mechanism controls the amount of air entering between the first filter cartridge and the second filter cartridge so that the filter mechanism completes the mutual transformation between the first state and the second state, thereby squeezing the dust on the first filter cartridge and the second filter cartridge; when the air volume is large, the filter mechanism changes from the first state to the second state, and when the air volume is small, the filter mechanism changes from the second state to the first state, and in the initial state, the filter mechanism is in the first state; A baffle is arranged in the outer cylinder, and the baffle is located at the first end of the first filter cylinder; the first filter cylinder includes a plurality of first filter plates distributed along the circumference of the outer cylinder, two adjacent first filter plates are fixedly connected, the angle between the two adjacent first filter plates can be changed, and the first filter plate and the baffle are hinged; the second filter cylinder includes a plurality of second filter plates distributed along the circumference of the outer cylinder, two adjacent second filter plates are fixedly connected, the angle between the two adjacent second filter plates can be changed, and the second filter plate and the baffle are hinged; the adjustment mechanism includes a first adjustment component, and the first adjustment component includes a connecting plate and a second blocking ring; the connecting plate is arranged in the outer cylinder, and the connecting plate is located on the side of the baffle away from the first filter cylinder; a plurality of first adjustment holes distributed along the circumference of the outer cylinder are opened on the connecting plate; the second blocking ring is rotatably arranged in the outer cylinder, and the second blocking ring and the outer cylinder are coaxially arranged; a plurality of second adjustment holes are opened on the second blocking ring, each second adjustment hole is connected to a first adjustment hole, and the overlapping area of ​​the first adjustment hole and the second adjustment hole is continuously changed by the rotation of the second blocking ring, thereby continuously changing the gas flow entering the filtration passage.

2. The indoor high-efficiency ventilation equipment according to claim 1, characterized in that: A first annular channel is provided on the baffle, and the first annular channel and the outer cylinder are coaxially arranged; the space between the first filter cartridge and the second filter cartridge is a filter channel, and the two ends of the filter channel are respectively an air inlet and an air outlet, and the air inlet is connected to the first annular channel; The filter mechanism also includes a plugging assembly, which includes a sliding bearing plate and a first plugging ring, wherein the sliding bearing plate is arranged in the outer cylinder; a first through hole assembly, a second through hole assembly and a third through hole assembly are sequentially provided on the sliding bearing plate from the inside to the outside; the first through hole assembly includes a first through hole, which is connected to the second filter cylinder; the second through hole assembly includes a plurality of second through holes, which are connected to the filter channel; the third through hole assembly includes a plurality of third through holes, which are connected to the space between the outer cylinder and the first filter cylinder; The first blocking ring is rotatably disposed on the sliding bearing plate. The first blocking ring and the outer cylinder are coaxially disposed. The first blocking ring is provided with a plurality of fourth through holes, which are sequentially distributed along the circumference of the first blocking ring. Each fourth through hole is connected to a second through hole.

3. The indoor efficient ventilation equipment according to claim 1, characterized in that: The first adjustment component also includes a transmission unit, which includes a rotating shaft, a center wheel, a ring gear and multiple planetary wheels; the rotating shaft is rotatably set on the baffle, and the rotating shaft and the outer cylinder are coaxially set; the center wheel is fixedly set on the rotating shaft, and the ring gear is fixedly set on the second sealing ring; the planetary wheels are rotatably set on the connecting plate, and the planetary wheels are meshed with the center wheel and the ring gear.

4. The indoor high-efficiency ventilation equipment according to claim 3 is characterized in that: The air intake mechanism comprises a motor and a fan. The motor is fixedly arranged on the baffle, and the output shaft of the motor is fixedly connected to the rotating shaft. The fan is fixedly arranged on the rotating shaft.

5. The indoor efficient ventilation equipment according to claim 2, characterized in that: A plurality of first slide grooves are provided on the sliding bearing plate, and the plurality of first slide grooves are sequentially distributed along the circumference of the outer cylinder, and each first slide groove is arranged along the radial direction of the outer cylinder; a plurality of first sliders are fixedly provided at the second end of the first filter cartridge, and each first slider is slidably provided in a first slide groove; a plurality of second sliders are fixedly provided at the fourth end of the second filter cartridge, and each second slider is slidably provided in a first slide groove; The adjustment mechanism includes a second adjustment assembly, the second adjustment assembly includes a plurality of adjustment units, each adjustment unit is arranged in a first slide slot, each adjustment unit includes a first damping rod, a first spring, a second damping rod and a second spring; the first damping rod and the second damping rod are both retractable; Each first damping rod is connected to a first slide groove and a first slider, each first spring is sleeved on a first damping rod, and the first spring is connected to the first slide groove and the first slider; each second damping rod is connected to the first slide groove and a second slider, each second spring is sleeved on a second damping rod, and the second spring is connected to the first slide groove and a second slider.

6. The indoor efficient ventilation equipment according to claim 5, characterized in that: A sliding shaft is fixedly arranged on one of the first sliding blocks, and the sliding shaft is slidably arranged in a first sliding groove; a first arc groove is opened on the first blocking ring, and the first arc groove is connected to the first sliding groove where the sliding shaft is arranged; An indoor high-efficiency ventilation device also includes a cleaning mechanism, which includes a sliding block, a first telescopic rod and a third spring; the sliding block is slidably arranged in a first arc groove along the circumference of a first blocking ring, a first inclined groove is provided on the sliding block, and the first inclined groove is inclined; the sliding shaft passes through the first sliding groove and is slidably arranged in the first inclined groove; The first telescopic rod is fixedly connected to the first blocking ring and the sliding block, the third spring is sleeved on the first telescopic rod, and the third spring is connected to the first blocking ring and the sliding block.

7. The indoor efficient ventilation equipment according to claim 6, characterized in that: The cleaning mechanism also includes a locking assembly, which includes a second telescopic rod and a blocking block; the second telescopic rod is fixedly arranged on the first sealing ring, and the second telescopic rod is arranged along the axial direction of the first sealing ring; the blocking block is fixedly arranged on the second telescopic rod, and a first inclined surface is arranged on the blocking block; a limiting groove is provided on the sliding bearing plate, and the blocking block is arranged in the limiting groove, and a second inclined surface that is counteracted with the first inclined surface is arranged in the limiting groove.

8. The indoor efficient ventilation equipment according to claim 7, characterized in that: The cleaning mechanism also includes a dust collecting box, which is fixedly arranged on the sliding bearing plate and is communicated with the second through hole.

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