Central air conditioner ventilation device

Abstract

The utility model discloses a central air-conditioning ventilation device, which relates to the technical field of central air-conditioning ventilation and comprises a ventilation pipeline, side openings are arranged on two sides of the ventilation pipeline in the width direction, switching shafts positioned in the middles of the side openings are vertically and rotatably arranged on the ventilation pipeline, and two dustproof nets and two opening baffle plates are circumferentially and alternately fixed on each switching shaft. According to the utility model, the switching shaft is driven to rotate by an angle through the rotating assembly, so that the positions of the two dustproof nets on the switching shaft can be exchanged, and the dustproof nets used for a period of time are rotated into the side sealing cover to be disinfected and sterilized by utilizing the ultraviolet disinfection lamp; the central air conditioner can be automatically disinfected and sterilized while being used, operation is easy and convenient, the opening blocking plate and the side sealing cover can form a closed space, dust entering is reduced, it is avoided that dust on the surface of the ultraviolet disinfection lamp is blocked, normal use of the ultraviolet disinfection lamp is affected, and the overall practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to central air conditioning ventilation technical field more specifically, the utility model relates to a kind of central air conditioning ventilation device. BACKGROUND

[0002] Central air conditioning system can help to adjust the humidity of indoor air by cooling and heating function, keep in suitable range, at the same time, according to the temperature set, the air temperature in room can be adjusted, provide comfortable living and working environment, secondly, central air conditioning is used to send air by ventilation duct, and dust screen can be used to clean dust in air conditioning duct.

[0003] However, dust screen can also breed bacteria while cleaning dust in air conditioning duct, and needs to be taken down regularly for disinfection and sterilization, which needs to stop air conditioning for a period of time for disinfection and sterilization, has certain limitation, and the operation is more cumbersome and inconvenient, if ultraviolet lamp is set in the duct to disinfect and sterilize dust screen, dust is easy to accumulate on the surface of ultraviolet lamp, which affects the disinfection and sterilization effect. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of central air conditioning ventilation device, to solve the problem that dust screen can also breed bacteria while cleaning dust in air conditioning duct, and needs to be taken down regularly for disinfection and sterilization, which needs to stop air conditioning for a period of time for disinfection and sterilization, has certain limitation, and the operation is more cumbersome and inconvenient, if ultraviolet lamp is set in the duct to disinfect and sterilize dust screen, dust is easy to accumulate on the surface of ultraviolet lamp, which affects the disinfection and sterilization effect.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a kind of central air conditioning ventilation device, including ventilation duct, the both sides of ventilation duct width direction are equipped with side opening, ventilation duct is vertically rotated with the switching shaft in the middle of side opening, two dust screens and two blocking plates are fixed alternately on each switching shaft, and vertically arranged between adjacent dust screen and blocking plate, ventilation duct is also provided with the rotating assembly that can drive two switching shafts to rotate, ventilation duct is fixedly installed with the side seal cover corresponding to side opening, a plurality of ultraviolet disinfection lamps are evenly arranged along the inner wall of side seal cover.

[0006] Preferably, the outer side of the dust screen and the blocking plate is provided with a sealing strip, and the sealing strip is used to improve the sealing between the dust screen and the blocking plate and the ventilation duct.

[0007] Preferably, the ventilation duct and the side seal cover are fixedly installed with a protective cover, and the protective cover covers the rotating assembly for protection.

[0008] Preferably, the rotating assembly comprises a bearing frame fixedly installed at the top of the ventilation duct, a driving shaft rotatably connected to the bearing frame, a straight gear one fixedly installed at the middle of the bearing frame, a driving motor one also fixedly installed on the ventilation duct, a straight gear two fixedly connected to the output end of the driving motor one, the straight gear one engaged with the straight gear two, and an bevel gear one fixedly connected to the two ends of the driving shaft, an bevel gear two fixedly installed at the top end of the switching shaft, the bevel gear one engaged with the bevel gear two.

[0009] Preferably, the two bevel gears one and the two bevel gears two are symmetrically arranged.

[0010] Preferably, the side cover is provided with a cleaning assembly for cleaning the surface of the dustproof net and the baffle plate, and the bottoms of the two side covers are fixedly communicated with a dust removal pipe.

[0011] Preferably, the cleaning assembly comprises a threaded rod rotatably connected in the side cover, a driving motor two fixedly installed at the top of the side cover in the protective cover, the output end of the driving motor two fixedly connected to one end of the threaded rod, a cleaning frame threadedly connected to the outer surface of the threaded rod, the cleaning frame vertically slidably arranged along the inner wall of the side cover, and symmetrically arranged cleaning strips arranged on the cleaning frame.

[0012] Preferably, the cleaning strips are L-shaped structures and are made of sponge material.

[0013] Preferably, the cleaning frame vertically slides in the side cover by a distance greater than the height of the dustproof net and the baffle plate.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a rotating assembly drives the switching shaft to rotate, can make two dustproof nets on the switching shaft exchange position, and the dustproof net of using a period of time is rotated to the inside of the side cover and disinfects and sterilizes by ultraviolet disinfection lamp, can automatically disinfect and sterilize the treatment when using the central air conditioner, and the operation is simple and convenient, and the baffle plate and the side cover can form the closed space, reduce the dust and enter, avoid causing the surface of ultraviolet disinfection lamp to accumulate dust and shield, influence its normal use, improve the practicality of the whole device.

[0016] The utility model discloses a threaded rod rotatably driven by the driving motor two, and the cleaning frame is vertically slid up and down along the side cover through threaded transmission, and the cleaning strip is scraped and cleaned along the surface of the dustproof net and the baffle plate, and then the bacteria and dust cleaned in the side cover are discharged through the dust removal pipe through the external air source, so that the dustproof net is cleaned, and the process can also be carried out when the central air conditioner is used, and the practicality is high. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the main body structure schematic view of the utility model;

[0018] Figure 2 It is the switching shaft, dust screen, and blocking plate related structure cooperation schematic view of the utility model;

[0019] Figure 3 It is the rotating assembly structure schematic view of the utility model;

[0020] Figure 4 It is the main body structure split schematic view of the utility model;

[0021] Figure 5 It is the distribution schematic view of the ultraviolet disinfection lamp of the utility model;

[0022] Figure 6 It is the cleaning assembly structure schematic view of the utility model.

[0023] [Reference signs]

[0024] 1, ventilation duct; 2, side opening; 3, switching shaft; 4, dust screen; 5, blocking plate; 6, rotating assembly; 61, bearing bracket; 62, drive shaft; 63, straight gear one; 64, drive motor one; 65, straight gear two; 66, bevel gear one; 67, bevel gear two; 7, side seal cover; 8, ultraviolet disinfection lamp; 9, cleaning assembly; 91, threaded rod; 92, drive motor two; 93, cleaning frame; 94, cleaning strip; 10, sealing strip; 11, protective cover; 12, dust removal pipe. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical schemes and advantages to be solved by the utility model more clear, specific embodiments will be described in detail below with reference to the drawings.

[0026] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 6 The embodiment of the utility model provides a kind of central air conditioning ventilation device, including ventilation duct 1, the both sides of ventilation duct 1 width direction are all set with side opening 2, ventilation duct 1 is vertically rotated with the switching shaft 3 in the middle of side opening 2, two dust screens 4 and two blocking plates 5 are alternately fixed on each switching shaft 3 periphery, and it is vertically arranged between adjacent dust screen 4 and blocking plate 5, ventilation duct 1 is also provided with rotating assembly 6 that can drive two switching shafts 3 rotation, ventilation duct 1 is fixedly installed with the side seal cover 7 corresponding to side opening 2, a plurality of ultraviolet disinfection lamps 8 are evenly arranged along the inner wall of side seal cover 7.

[0027] Specifically, the two dustproof nets 4 on the switching shaft 3 are aligned, the two blocking flaps 5 can block the side opening 2, and the normal ventilation work in the ventilation duct 1 is ensured. By rotating the assembly 6 to drive the switching shaft 3 to rotate 180°, the two dustproof nets 4 on the switching shaft 3 can be exchanged to replace the dustproof net 4 in the side cover 7 sterilized by the ultraviolet disinfection lamp 8 with the dustproof net 4 used in the ventilation duct 1 for a period of time, and the dustproof net 4 used for a period of time is rotated to the side cover 7 to be sterilized by the ultraviolet disinfection lamp 8.

[0028] Preferably, the blocking flap 5 and the side cover 7 can form a closed space to reduce dust entering and avoid causing the ultraviolet disinfection lamp 8 to be blocked by dust on the surface, affecting normal use.

[0029] Preferably, the outer side of the dustproof net 4 and the blocking flap 5 is provided with a sealing strip 10, and the sealing strip 10 is used to improve the sealing between the dustproof nets 4 and between the ventilation duct 1 and the blocking flap 5.

[0030] Preferably, the ventilation duct 1 and the side cover 7 are fixedly provided with a protective cover 11, and the protective cover 11 covers and protects the rotating assembly 6.

[0031] Preferably, the rotating assembly 6 comprises a bearing frame 61 fixedly installed on the top of the ventilation duct 1, a driving shaft 62 rotatably connected to the bearing frame 61, a straight gear one 63 fixedly installed on the middle of the bearing frame 61, a driving motor one 64 fixedly installed on the ventilation duct 1, a straight gear two 65 fixedly connected to the output end of the driving motor one 64, the straight gear one 63 and the straight gear two 65 being engaged, two bevel gears one 66 fixedly connected to the two ends of the driving shaft 62, and a bevel gear two 67 fixedly installed on the top of the switching shaft 3, the bevel gear one 66 and the bevel gear two 67 being engaged.

[0032] Specifically, the driving motor one 64 drives the straight gear two 65 to rotate, and the straight gear one 63 is engaged to drive the bevel gear one 66 to rotate, and then the bevel gear one 66 engages the bevel gear two 67 to rotate the switching shaft 3, so as to switch the dustproof net 4.

[0033] Preferably, the two bevel gears one 66 and the two bevel gears two 67 are symmetrically arranged, the bevel gear one 66 drives the two bevel gears two 67 and the switching shaft 3 to rotate in mirror image, the rotating direction is opposite to the wind direction in the ventilation duct 1, the included angle between the dustproof net 4 and the wind direction is an acute angle, and most of the dust and bacteria are turned into the side cover 7.

[0034] Preferably, the side cover 7 is provided with a cleaning assembly 9 for cleaning the surface of the dustproof net 4 and the blocking flap 5, and the bottoms of the two side covers 7 are fixedly communicated with a dust removal pipe 12, and the dust removal pipe 12 is communicated with an external air source to further discharge the bacteria and dust cleaned in the side cover 7.

[0035] Preferably, the cleaning assembly 9 comprises a threaded rod 91, the threaded rod 91 is vertically rotatably connected in the side cover 7, the top of the side cover 7 is fixedly installed with a driving motor two 92 located in the protective cover 11, the output end of the driving motor two 92 is fixedly connected with one end of the threaded rod 91, the outer surface of the threaded rod 91 is threadedly connected with a cleaning frame 93, the cleaning frame 93 can vertically slide along the inner wall of the side cover 7, and the cleaning frame 93 is provided with symmetrical cleaning strips 94.

[0036] Specifically, the threaded rod 91 is driven to rotate by the driving motor two 92, the cleaning frame 93 is threadedly driven to vertically slide up and down along the side cover 7, and the cleaning strips 94 are scraped and cleaned along the surfaces of the dust screen 4 and the baffle plate 5.

[0037] Preferably, the cleaning strip 94 is an L-shaped structure, so as to adapt to the arrangement mode of the dust screen 4 and the baffle plate 5, and the cleaning strip 94 is made of sponge material.

[0038] Preferably, the vertical sliding distance of the cleaning frame 93 in the side cover 7 is greater than the height of the dust screen 4 and the baffle plate 5, and when the cleaning frame 93 moves to the uppermost or lowermost position, the cleaning frame 93 can avoid the motion interference caused by the rotation of the dust screen 4 and the baffle plate 5.

[0039] The working process of the utility model is as follows:

[0040] In use, the switching shaft 3 is driven to rotate by the driving motor one 64 driving the bevel gear one 66 meshing the bevel gear two 67, so as to switch the dust screen 4, so as to replace the dust screen 4 in the side cover 7 sterilized by the ultraviolet disinfection lamp 8 and the dust screen 4 used in the ventilation duct 1 for a period of time, the dust screen 4 used for a period of time is rotated into the side cover 7 to be sterilized and disinfected by the ultraviolet disinfection lamp 8, then the threaded rod 91 is driven to rotate by the driving motor two 92, the cleaning frame 93 is threadedly driven to vertically slide up and down along the side cover 7, the cleaning strips 94 are scraped and cleaned along the surfaces of the dust screen 4 and the baffle plate 5, and then the bacteria and dust cleaned in the side cover 7 are discharged through the dust removal pipe 12 by the external air source.

[0041] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0042] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0043] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A central air conditioning ventilation device comprising a ventilation duct (1), characterized in that, The ventilation duct (1) is provided with side openings (2) on both sides in the width direction, and a switching shaft (3) is vertically rotatable in the middle of each side opening (2). Two dustproof nets (4) and two blocking plates (5) are fixed alternately on each switching shaft (3), and the adjacent dustproof net (4) and blocking plate (5) are arranged vertically. A rotating assembly (6) is arranged on the ventilation duct (1) to drive the rotation of the two switching shafts (3). A side sealing cover (7) corresponding to the side opening (2) is fixedly installed on the ventilation duct (1), and a plurality of ultraviolet disinfection lamps (8) are evenly arranged along the inner wall of the side sealing cover (7).

2. The central air conditioning ventilation device according to claim 1, wherein The outer side of the dustproof net (4) and the blocking plate (5) is provided with a sealing strip (10), which is used to improve the sealing between the dustproof net (4) and the blocking plate (5) and the ventilation duct (1).

3. The central air conditioning ventilation device according to claim 1, wherein The ventilation duct (1) and the side sealing cover (7) are fixedly installed with a protective cover (11) to protect the rotating assembly (6).

4. The central air conditioning ventilation device according to claim 1, wherein The rotating assembly (6) comprises a bearing frame (61) fixedly installed on the top of the ventilation duct (1), a driving shaft (62) rotatably connected to the bearing frame (61), a straight gear one (63) fixedly installed on the middle of the bearing frame (61), a driving motor one (64) fixedly installed on the ventilation duct (1), a straight gear two (65) fixedly connected to the output end of the driving motor one (64), the straight gear one (63) and the straight gear two (65) are engaged, and the two ends of the driving shaft (62) are fixedly connected with a bevel gear one (66), the top end of the switching shaft (3) is fixedly installed with a bevel gear two (67), and the bevel gear one (66) and the bevel gear two (67) are engaged.

5. The central air conditioning ventilation device according to claim 4, wherein The two bevel gears one (66) and the two bevel gears two (67) are symmetrically arranged.

6. The central air conditioning ventilation device according to claim 4, wherein The side sealing cover (7) is provided with a cleaning assembly (9) for cleaning the surface of the dustproof net (4) and the blocking plate (5), and the bottoms of the two side sealing covers (7) are fixedly connected with a dust removal pipe (12).

7. The central air conditioning ventilation device according to claim 6, wherein The cleaning assembly (9) comprises a threaded rod (91) which is vertically rotatably connected in the side sealing cover (7), a driving motor two (92) fixedly installed on the top of the side sealing cover (7) in the protective cover (11), the output end of the driving motor two (92) is fixedly connected with one end of the threaded rod (91), the outer surface of the threaded rod (91) is threadedly connected with a cleaning frame (93), the cleaning frame (93) can vertically slide along the inner wall of the side sealing cover (7), and the cleaning frame (93) is provided with symmetrical cleaning strips (94).

8. The central air conditioning ventilation device according to claim 7, wherein The cleaning strip (94) is L-shaped structure, and the cleaning strip (94) is made of sponge material.

9. The central air conditioning ventilation device according to claim 7, wherein The vertical sliding distance of the cleaning frame (93) in the side sealing cover (7) is greater than the height of the dustproof net (4) and the blocking plate (5).

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