CN116336554A

CN116336554A - Cold-heat exchange device of heating ventilation air conditioner

Info

Publication number: CN116336554A
Application number: CN202310367245.7A
Authority: CN
Inventors: 王明红; 刘加明; 陈亮
Original assignee: Rizhao Guangming Safety Technology Co ltd
Current assignee: Rizhao Guangming Safety Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-27

Abstract

The utility model provides a cold-heat exchange device of a heating ventilation air conditioner, which comprises a box body, wherein a filter bin is arranged in the box body, and the cold-heat exchange device further comprises: the filter bin inner wall still sliding connection has the filter screen, the clearance subassembly is including connecting in the elevating component of filter bin both sides wall and rotating the clean part of connecting in elevating component inner wall, arrange miscellaneous part, sliding connection is in filter bin inner wall, arrange miscellaneous part and row miscellaneous mouthful and cooperate, and arrange miscellaneous part and clearance subassembly and link mutually, the guide duct, fixed connection is in filter bin air outlet, the air inlet duct that is linked together with two sets of air ducts has still been seted up to the guide duct, two sets of air inlet duct inner walls and guide duct meet the department all rotate and are connected with the air-locking part with filter bin, the linkage part, sliding connection is in filter bin outer wall. The dust that produces when avoiding the clearance filter screen is by the input room through the conversion of inlet channel, greatly increased filterable effect.

Description

Cold-heat exchange device of heating ventilation air conditioner

Technical Field

The utility model relates to the technical field of heating ventilation air conditioners, in particular to a heat exchange device of a heating ventilation air conditioner.

Background

The heating ventilation air conditioning system can control the temperature and humidity of air, improves the indoor comfort level, is an important ring in medium-large industrial buildings or office buildings (such as skyscraper), and is an air conditioner with heating, ventilation and air conditioning functions, and the main functions of the heating ventilation air conditioning comprise: in three aspects of heating, ventilation and air conditioning, the three functions are taken as comprehensive short for warming, ventilation and air conditioning, and the existing warming, ventilation and air conditioning needs to suck outside air into an exchange box for heat exchange and then discharge the outside air into a room, and the air needs to be filtered when entering the interior of the exchange box.

Through retrieval, the patent with the Chinese patent application number of 202020564299.4 discloses a cold and hot exchange device for heating ventilation and air conditioning, which relates to the technical field of heating ventilation and air conditioning and comprises a cold and hot exchange device body, wherein an air inlet end of the cold and hot exchange device body is fixedly provided with a mounting box, a laminated plate is fixedly arranged in the middle of the mounting box, a partition plate is fixedly arranged at the bottom of the laminated plate, holding boxes are respectively arranged at two sides of the partition plate, the bottom of the holding boxes is fixedly connected with the inner bottom of the mounting box, the top of the laminated plate is provided with a mounting opening, a dust filtering net is fixedly arranged in the mounting opening, a fan machine is arranged at the bottom of the dust filtering net, and cleaning brushes are fixedly arranged on fan blades of the fan machine. According to the utility model, dust in the external air entering the cold and hot exchange device body can be isolated, the air input quality is improved, in addition, the dust on the dust filtering net can be cleaned automatically in time, the cleaning effect is improved, the dust is convenient to collect, and the dust collecting device has good practical significance.

Although the filter screen can be cleaned simply in the above patent, the following disadvantages still exist during use: 1. when the cleaning brush cleans the surface of the dust filtering net, dust cleaned by the cleaning brush is attached to the surface of the dust filtering net again under the suction force of the fan machine, and even dust on the other surface of the dust filtering net is shaken off, so that the dust is input into a room, and the filtering effect is affected; 2. although the dust filtering net can be simply cleaned by the cleaning brush, the dust cleaned by the cleaning brush is also required to be cleaned regularly, so that the popularization of the dust filtering net is reduced;

therefore, a heat exchange device of a heating ventilation air conditioner is needed to solve the above problems.

Disclosure of Invention

The utility model aims to provide a cold-heat exchange device of a heating ventilation air conditioner, which solves the problems in the background technology.

In order to achieve the above object, the present utility model provides the following technical solutions:

a cold-heat exchanging device of heating ventilation air conditioner is used for improving the above problems.

The application is specifically such that:

the utility model provides a cold and hot exchange device of heating ventilation air conditioner, includes the box, the inside filtration storehouse that still is provided with of box, the bottom half still is provided with the air flue that the symmetry set up, the impurity removal mouth has still been seted up to filtration storehouse diapire, still includes:

the inner wall of the filter bin is also connected with a filter screen in a sliding way, and both side walls of the filter bin are provided with sliding grooves symmetrically arranged about the filter screen and used for filtering the entering air;

the cleaning assembly comprises lifting parts connected to the two side walls of the filter bin and cleaning parts rotatably connected to the inner walls of the lifting parts and used for cleaning the surfaces of the filter screens;

the impurity discharging component is connected to the inner wall of the filtering bin in a sliding way, is matched with the impurity discharging port, is linked with the cleaning component and is used for automatically discharging dust cleaned by the cleaning component;

the air guide pipes are fixedly connected to the air outlets of the filter bins, the air guide pipes are also provided with air inlet channels communicated with two groups of air channels, and the joint between the inner walls of the air inlet channels and the air guide pipes and the filter bins is rotationally connected with an air closing part for converting the air inlet channels;

the linkage part is connected to the outer wall of the filter bin in a sliding way, and the linkage part is matched with the air closing part and the cleaning assembly and is used for converting an air inlet channel when the filter screen is cleaned.

As the preferred technical scheme of this application, guide duct and filtration storehouse department of meeting are provided with two to ten groups of components that close, the inside a set of components that close that is provided with of air inlet duct at least, the component that closes is including rotating the axis of rotation that is connected in the guide duct inner wall, fixed connection in the gas baffle of axis of rotation outer wall and fixed connection in the half gear of axis of rotation outer wall, half gear cooperatees with the linkage part.

As the preferred technical scheme of this application, linkage part includes first extrusion pole and the first rack of fixed connection in first extrusion pole lateral wall and second rack of filter cartridge outer wall through slide bar sliding connection, the one end that first extrusion pole was kept away from to the slide bar still fixedly connected with first elastic component, just the one end that slide pole was kept away from to first elastic component links to each other with filter cartridge is fixed, first rack all links to each other with the multiunit that air-tight part that air duct and filter cartridge meet department contained half gear engagement that sets up, the second rack links to each other with the half gear engagement that air-tight part that two sets of air inlet duct inner walls set up contained, first extrusion pole links to each other with lifting unit.

As the preferred technical scheme of this application, arrange miscellaneous part including fixed connection in the closure plate of filter house inner wall and fixed connection in the second extrusion pole at closure plate both ends, adjacent two sets of still be provided with the second elastic component between the second extrusion pole, the second extrusion pole cooperatees with lifting unit.

As the preferred technical scheme of this application, lifting element is including rotating the screw rod of connecting in filtering storehouse lateral wall and threaded connection in the mounting bracket of screw rod outer wall, the screw rod links to each other with the mounting bracket screw thread, just the screw rod is kept away from the one end of filtering the storehouse and is passed the box and extend to the air flue inside.

As the preferred technical scheme of this application, the first gangbar that the symmetry set up is still fixedly connected with to mounting bracket both sides wall, first gangbar cooperatees with the second extrusion pole, is close to first extrusion pole the mounting bracket lateral wall still fixedly connected with second gangbar, the second gangbar cooperatees with first extrusion pole.

As the preferred technical scheme of this application, first gangbar is located between two sets of second extrusion poles, the second gangbar is located between first extrusion pole and the filtration storehouse.

As the preferred technical scheme of this application, clean part is provided with two sets of with respect to the filter screen symmetry, clean part is including rotating the clearance roller of clearance axle and fixed connection clearance axle outer wall between two sets of mounting brackets, the clearance axle cooperatees with the sliding tray, the clearance roller cooperatees with the filter screen, the mounting bracket fixedly connected with drive gear is all passed at the both ends of clearance axle.

As the preferred technical scheme of this application, the equal fixedly connected with of filter house both sides wall and drive gear matched with third rack, the inside fan that still is provided with of guide duct, the air duct inner wall still is provided with the filter core, the guide plate that filter house inner wall still fixedly connected with set up about the filter screen symmetry, the guide plate cooperatees with the row miscellaneous mouth.

As the preferred technical scheme of this application, box lateral wall still fixedly connected with driving motor, driving motor output still fixedly connected with drive unit, drive unit cooperatees with two sets of screw rods, box roof still can dismantle and be connected with the apron corresponding with the filter screen, the box lateral wall still is provided with first protection network and the second protection network corresponding with filtration storehouse and air flue.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the application:

1. through setting up the clearance subassembly and cooperate with the air-tight part under the linkage part effect, when the clearance subassembly is clear up the filter screen, through the cooperation of second linkage rod and first extrusion pole, drive the air-tight board that is located the filter house air outlet position and shelter from the air outlet, and drive the inside air-tight board of air flue to erect, outside cold wind gets into by the filter house and converts into by the air flue, accomplish the conversion of air inlet channel, the dust that produces when avoiding the clearance filter screen is imported indoor, greatly increased the effect of filtration, the dust that the cleaning brush cleared up in the prior art when clearing up the filter screen surface adheres to the filter screen surface again under the suction of fan machine, even can tremble the dust of filter screen another side, lead to the dust to import indoor, influence the problem of filter effect;

2. through the cleaning roller, the two sides of the filter screen can be cleaned under the drive of the mounting frame, and meanwhile, the cleaning roller rotates under the action of the driving gear and the third rack when moving vertically, so that the filter screen is thoroughly cleaned, the contact between a single side of the cleaning roller and the filter screen is avoided, the cleaning effect on the filter screen is greatly improved, and the phase change is further improved, and the filtering effect on air is improved;

3. through setting up cleaning element and arranging miscellaneous part and link mutually, when cleaning element clear up the filter screen, after first gangbar and second extrusion pole contact, along with cleaning element's continuation work, drive two sets of closure plates and keep away from gradually, arrange miscellaneous mouthful and open, inside the dust was discharged the box through deflector and the miscellaneous mouthful of arranging, realize automatic deashing, need not the manual work and handle the dust, solved among the prior art can be simple carry out simple clearance through the cleaning brush to the dust filter screen, but still need regularly clear up the dust that the cleaning brush cleared up regularly, just so can reduce its problem of popularization nature.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a heat exchange device of a heating ventilation air conditioner provided by the application;

FIG. 2 is a schematic diagram of a partial cross-sectional structure of a heat exchange device of a heating ventilation air conditioner according to the present application;

FIG. 3 is a second schematic view of a partial cross-sectional structure of a heat exchange device of a heating ventilation air conditioner according to the present application;

FIG. 4 is a schematic diagram of a third cross-sectional view of a heat exchange device of a heating, ventilating and air conditioning device according to the present disclosure;

FIG. 5 is a schematic view of a heat exchange device of a heating ventilation air conditioner according to the present application;

FIG. 6 is a schematic diagram of a second cross-sectional plane of the heat exchange device of the heating, ventilation and air conditioning provided by the present application;

FIG. 7 is an enlarged view of the structure A in FIG. 2 of the heat exchange device of the heating ventilation air conditioner provided by the application;

fig. 8 is an enlarged view of the B structure in fig. 3 of the heat exchange device for heating ventilation and air conditioning provided by the present application.

The figures indicate:

1. a case; 11. a driving motor; 12. a transmission member; 13. a first protection net; 14. a second protection net; 2. a filtering bin; 21. a filter screen; 22. a sliding groove; 23. a impurity discharging port; 24. a closing plate; 25. a second extrusion rod; 26. a second elastic member; 3. an air duct; 31. a filter element; 4. an air guide pipe; 41. an air inlet duct; 42. a rotating shaft; 43. a gas-tight plate; 44. a half gear; 45. a slide bar; 46. a first extrusion rod; 47. a first rack; 48. a second rack; 49. a first elastic member; 5. a screw; 51. a mounting frame; 52. a first linkage rod; 53. a second linkage rod; 54. cleaning a shaft; 55. a cleaning roller; 56. a drive gear; 6. a third rack; 61. a blower; 62. a cover plate; 63. and a guide plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, the terms "upper", "lower", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, or an azimuth or a positional relationship conventionally put in use of the inventive product, or an azimuth or a positional relationship conventionally understood by those skilled in the art, such terms are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

As shown in fig. 1-8, the cold and heat exchange device of heating ventilation air conditioner that this embodiment provided, including box 1, box 1 is inside still to be provided with filter house 2, and box 1 bottom still is provided with the air flue 3 that the symmetry set up, and filter house 2 diapire has still offered row's miscellaneous mouth 23, still includes:

the inner wall of the filter bin 2 is also connected with a filter screen 21 in a sliding way, and both side walls of the filter bin 2 are provided with sliding grooves 22 symmetrically arranged about the filter screen 21 and used for filtering the entering air;

the cleaning assembly comprises lifting parts connected to the two side walls of the filter bin 2 and cleaning parts rotatably connected to the inner walls of the lifting parts and is used for cleaning the surfaces of the filter screens 21;

the impurity discharging component is connected to the inner wall of the filter bin 2 in a sliding way, is matched with the impurity discharging port 23, is linked with the cleaning component and is used for automatically discharging dust cleaned by the cleaning component;

the air guide pipe 4 is fixedly connected to the air outlet of the filter bin 2, the air guide pipe 4 is also provided with air inlet channels 41 communicated with the two groups of air channels 3, and the air closing parts are rotationally connected to the inner walls of the two groups of air inlet channels 41 and the joint of the air guide pipe 4 and the filter bin 2 and are used for converting the air inlet channels;

the linkage component is connected to the outer wall of the filter bin 2 in a sliding way, and is matched with the air closing component and the cleaning component, and used for converting an air inlet channel when the filter screen 21 is cleaned;

through setting up the clearance subassembly and cooperate with the air-closure part under the linkage part effect, when the clearance subassembly clear up filter screen 21, cooperate through second linkage rod 53 and first extrusion pole 46, it shields the air outlet to drive the air-closure plate 43 that is located the air outlet position of filter house 2, and drive the inside air-closure plate 43 of air flue 3 to erect, outside cold wind gets into by filter house 2 and converts into by air flue 3 entering, accomplish the conversion of air inlet channel, the dust that produces when avoiding clearing up filter screen 21 is imported indoor, greatly increased filterable effect, sliding tray 22 inner wall is provided with flexible dust guard, avoid the dust to leak.

As shown in fig. 2-8, as a preferred embodiment, on the basis of the above manner, further, two to ten groups of air-closing components are disposed at the joint of the air guide pipe 4 and the filtration bin 2, at least one group of air-closing components are disposed inside the air inlet duct 41, each air-closing component comprises a rotating shaft 42 rotatably connected to the inner wall of the air guide pipe 4, an air-closing plate 43 fixedly connected to the outer wall of the rotating shaft 42, and a half gear 44 fixedly connected to the outer wall of the rotating shaft 42, the half gear 44 is matched with the linkage component, and the number of the two to ten groups of air-closing components disposed at the joint of the air guide pipe 4 and the filtration bin 2 in the present application is nine, wherein the length and width of the air-closing plate 43 to be described are selected according to the sizes of the air inlet duct 41 and the filtration bin 2, and the two sides of the air-closing plate 43 are also provided with mutually matched clamping grooves to ensure the whole sealing effect.

As shown in fig. 2-6, as a preferred embodiment, on the basis of the above manner, the linkage component further includes a first extrusion rod 46 slidably connected to the outer wall of the filter cabin 2 through a sliding rod 45, a first rack 47 and a second rack 48 fixedly connected to the side wall of the first extrusion rod 46, one end of the sliding rod 45 away from the first extrusion rod 46 is fixedly connected with a first elastic member 49, one end of the first elastic member 49 away from the sliding rod 45 is fixedly connected with the filter cabin 2, the first rack 47 is engaged with half gears 44 included in a plurality of groups of air closing components arranged at the junction of the air guide pipe 4 and the filter cabin 2, the second rack 48 is engaged with half gears 44 included in air closing components arranged at the inner walls of the two groups of air inlet channels 41, the first extrusion rod 46 is linked with the lifting component, the first rack 47 and the second rack 48 are matched with the half gears 44, and drive the plurality of groups of air closing plates 43 located at the air outlet position of the filter cabin 2 to shield the air outlet, and drive the air closing plates 43 inside the air inlet channel 3 to erect, and the outside cold air enters the filter cabin 2 to be converted into the air inlet channel 3 from the air inlet channel 3, and the conversion is completed.

As shown in fig. 2-8, as a preferred embodiment, on the basis of the above manner, further, the impurity removing component includes a closing plate 24 fixedly connected to the inner wall of the filter bin 2 and second extrusion rods 25 fixedly connected to two ends of the closing plate 24, a second elastic member 26 is further disposed between two adjacent groups of second extrusion rods 25, the second extrusion rods 25 are matched with the lifting component, and along with the continuous operation of the cleaning component, the two groups of second extrusion rods 25 are extruded to be far away from each other, so that the two groups of closing plates 24 are driven to be far away gradually, the impurity removing port 23 is opened, and dust is discharged from the inside of the box 1 through the guide plate 63 and the impurity removing port 23, so as to realize automatic ash removal.

As shown in fig. 2 to 7, as a preferred embodiment, based on the above manner, the lifting component further includes a screw 5 rotatably connected to the side wall of the filter house 2 and a mounting frame 51 screwed to the outer wall of the screw 5, the screw 5 is screwed to the mounting frame 51, and the screw 5 extends from one end of the filter house 2 far away from the filter house 2 to the air duct 3 through the box 1, and the screw 5 rotates to further drive the two sets of mounting frames 51 to synchronously move downwards, so that the filter screen 21 is cleaned by the cleaning component.

As shown in fig. 2-6, as a preferred embodiment, on the basis of the above manner, further, the two side walls of the mounting frame 51 are fixedly connected with symmetrically arranged first linkage rods 52, the first linkage rods 52 are matched with the second extrusion rods 25, the side wall of the mounting frame 51 close to the first extrusion rod 46 is fixedly connected with second linkage rods 53, the second linkage rods 53 are matched with the first extrusion rods 46, the linkage of the cleaning assembly and the air-tight component is completed through the second linkage rods 53 and the first extrusion rods 46, the cleaning assembly and the impurity removing component are completed through the first linkage rods and the second extrusion rods 25, and the manufacturing cost is reduced through integrated linkage.

As shown in fig. 2-7, further to the above, the first linkage rod 52 is located between two sets of second extrusion rods 25, and the second linkage rod 53 is located between the first extrusion rod 46 and the filter house 2, wherein the distance between the two ends of the two sets of first linkage rods 52 is smaller than the maximum distance between the two sets of second extrusion rods 25.

As shown in fig. 2-7, as a preferred embodiment, further, two groups of cleaning components are symmetrically arranged about the filter screen 21 on the basis of the above manner, the cleaning components comprise a cleaning shaft 54 rotatably connected between the two groups of mounting frames 51 and a cleaning roller 55 fixedly connected with the outer wall of the cleaning shaft 54, the cleaning shaft 54 is matched with the sliding groove 22, the cleaning roller 55 is matched with the filter screen 21, both ends of the cleaning shaft 54 penetrate through the mounting frames 51 and are fixedly connected with a driving gear 56, and the two sides of the filter screen 21 can be cleaned under the driving of the mounting frames 51 through the cleaning roller 55, and meanwhile, the cleaning roller 55 can rotate under the action of the driving gear 56 and the third rack 6 when moving vertically, so that the filter screen 21 is thoroughly cleaned, the cleaning effect on the filter screen 21 is greatly increased by avoiding the contact between one side of the cleaning roller 55 and the filter screen 21, and the air filtering effect is further increased in a variable manner.

As shown in fig. 1-6, as a preferred embodiment, further, on the basis of the above manner, both side walls of the filtering bin 2 are fixedly connected with a third rack 6 matched with the driving gear 56, a fan 61 is further arranged inside the air guide pipe 4, a filter element 31 is further arranged on the inner wall of the air duct 3, guide plates 63 symmetrically arranged about the filter screen 21 are further fixedly connected on the inner wall of the filtering bin 2, the guide plates 63 are matched with the impurity discharging openings 23, and the guide plates 63 conduct cleaned dust to the impurity discharging openings 23.

As shown in fig. 1-6, as a preferred embodiment, further, on the basis of the above manner, the side wall of the box 1 is also fixedly connected with a driving motor 11, the output end of the driving motor 11 is also fixedly connected with a transmission part 12, the transmission part 12 is matched with two sets of screws 5, the top wall of the box 1 is also detachably connected with a cover plate 62 corresponding to the filter screen 21, the side wall of the box 1 is also provided with a first protection net 13 and a second protection net 14 corresponding to the filter bin 2 and the air duct 3, the transmission part 12 only transmits to the two sets of screws 5, and the specific structure and the working principle thereof belong to the technical means known in the art and are not repeated herein.

Specifically, this cold and hot exchange device of heating ventilation air conditioner when using: when the set cleaning date is required to be reached, the driving motor 11 is started (the specific control mode and the control principle are the prior art and are not repeated here), and then the two sets of screws 5 are driven to rotate through the transmission part 12 (the transmission part 12 is only used for transmitting to the two sets of screws 5, the specific structure and the working principle thereof are the technical means known in the art and are not repeated here), so that the two sets of mounting frames 51 are driven to synchronously move downwards, and then the two sides of the filter screen 21 can be cleaned under the driving of the mounting frames 51 through the two sets of cleaning rollers 55, and meanwhile, the cleaning rollers 55 can rotate under the action of the driving gear 56 and the third rack 6 when moving vertically, so that the filter screen 21 is thoroughly cleaned, the cleaning effect of the filter screen 21 is greatly improved, and the air filtering effect is further improved;

when the mounting frame 51 moves, the second linkage rod 53 is driven to synchronously move along with the movement of the mounting frame, the first extrusion rod 46 is extruded to be far away from the filter bin 2 through the inclination of the first extrusion rod, and then the first rack 47 and the second rack 48 are matched with the half gear 44, so that a plurality of groups of air-blocking plates 43 positioned at the air outlet position of the filter bin 2 are driven to shield the air outlet, the air-blocking plates 43 in the ventilation channel 3 are driven to be erected, external cold air enters from the filter bin 2 and is converted into the air through the ventilation channel 3, conversion of an air inlet channel is completed, dust generated when the filter screen 21 is prevented from being input into a room, the filtering effect is greatly improved, the problem that dust cleaned by the cleaning brush is attached to the surface of the filter screen again under the suction of a fan in the prior art, and even dust on the other side of the filter screen is shaken off, so that the dust is input into the room, and the filtering effect is influenced is solved, when the first extrusion rod 46 moves, the second elastic piece 26 is pulled by the tensile force, and when the second linkage rod 53 is reset, the first extrusion rod 46 is restored, the position of the filter bin 2 is converted into the air-blocking plate 61, and the air inlet channel is converted into the air channel 61 again;

meanwhile, through setting up cleaning component and the linking mutually of trash discharging part, mounting bracket 51 is when the downward movement, after first gangbar and second extrusion rod 25 contact, along with cleaning component's continuation work, extrude two sets of second extrusion rods 25 and keep away from each other, and then drive two sets of closure plates 24 and keep away from gradually, trash discharging port 23 opens, inside the dust is discharged box 1 through deflector 63 and trash discharging port 23, realize automatic deashing, need not the manual work and handle the dust, the dust that can simply clear up the dust screen through the cleaning brush among the prior art has been solved, but still need regularly clear up the dust that the cleaning brush cleared up regularly, just so can reduce its problem of popularization nature, and when cleaning roller 55 resets, through the first elastic component 49 of setting, seal trash discharging port 23 again, in order to guarantee the inside leakproofness of filter house 2.

The above embodiments are only for illustrating the present utility model and not for limiting the technical solutions described in the present utility model, and although the present utility model has been described in detail in the present specification with reference to the above embodiments, the present utility model is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present utility model; all technical solutions and modifications thereof that do not depart from the spirit and scope of the utility model are intended to be included in the scope of the appended claims.

Claims

1. The utility model provides a cold and hot exchange device of heating ventilation air conditioner, includes box (1), its characterized in that, box (1) inside still is provided with filtration storehouse (2), box (1) bottom still is provided with air flue (3) that the symmetry set up, impurity removal mouth (23) have still been seted up to filtration storehouse (2) diapire, still include:

the inner wall of the filter bin (2) is also connected with a filter screen (21) in a sliding way, and both side walls of the filter bin (2) are provided with sliding grooves (22) symmetrically arranged about the filter screen (21) for filtering the entering air;

the cleaning assembly comprises lifting parts connected to two side walls of the filter bin (2) and cleaning parts rotatably connected to the inner walls of the lifting parts and used for cleaning the surfaces of the filter screens (21);

the impurity discharging component is connected to the inner wall of the filtering bin (2) in a sliding way, is matched with the impurity discharging port (23), is linked with the cleaning component and is used for automatically discharging dust cleaned by the cleaning component;

the air guide pipes (4) are fixedly connected to the air outlets of the filter bins (2), the air guide pipes (4) are also provided with air inlet channels (41) communicated with the two groups of air channels (3), and the air closing parts are rotationally connected to the inner walls of the two groups of air inlet channels (41) and the joints of the air guide pipes (4) and the filter bins (2) and are used for converting the air inlet channels;

the linkage part is connected to the outer wall of the filter bin (2) in a sliding mode, and the linkage part is matched with the air closing part and the cleaning assembly and used for converting an air inlet channel when the filter screen (21) is cleaned.

2. A heat exchange device for heating ventilation and air conditioning according to claim 1, wherein two to ten groups of air closing components are arranged at the joint of the air guide pipe (4) and the filtering bin (2), at least one group of air closing components are arranged in the air inlet duct (41), each air closing component comprises a rotating shaft (42) rotatably connected to the inner wall of the air guide pipe (4), an air closing plate (43) fixedly connected to the outer wall of the rotating shaft (42) and a half gear (44) fixedly connected to the outer wall of the rotating shaft (42), and the half gear (44) is matched with the linkage component.

3. The heat and cold exchange device of a heating ventilation air conditioner according to claim 1, wherein the linkage component comprises a first extrusion rod (46) which is connected to the outer wall of the filtering bin (2) in a sliding way through a sliding rod (45) and a first rack (47) and a second rack (48) which are fixedly connected to the side wall of the first extrusion rod (46), one end of the sliding rod (45) far away from the first extrusion rod (46) is fixedly connected with a first elastic piece (49), one end of the first elastic piece (49) far away from the sliding rod (45) is fixedly connected with the filtering bin (2), the first racks (47) are meshed and connected with semi-gears (44) contained in a plurality of groups of closed air components which are arranged at the joint of the air guide pipe (4) and the filtering bin (2), the second racks (48) are meshed and connected with semi-gears (44) contained in closed air components which are arranged on the inner walls of two groups of air inlet channels (41), and the first extrusion rod (46) is linked with the lifting component.

4. A heat exchange device for heating, ventilation and air conditioning according to claim 1, wherein the impurity removing component comprises a closing plate (24) fixedly connected to the inner wall of the filtering bin (2) and second extrusion rods (25) fixedly connected to two ends of the closing plate (24), second elastic pieces (26) are further arranged between two adjacent groups of second extrusion rods (25), and the second extrusion rods (25) are matched with the lifting component.

5. A heating, ventilation and air conditioning cold and heat exchange device according to claim 1, wherein the lifting component comprises a screw rod (5) rotatably connected to the side wall of the filter cabin (2) and a mounting frame (51) in threaded connection with the outer wall of the screw rod (5), the screw rod (5) is in threaded connection with the mounting frame (51), and one end of the screw rod (5) far away from the filter cabin (2) extends towards the inside of the ventilation channel (3) through the box body (1).

6. The heat exchange device for heating, ventilation and air conditioning according to claim 5, wherein the two side walls of the mounting frame (51) are further fixedly connected with first linkage rods (52) symmetrically arranged, the first linkage rods (52) are matched with the second extrusion rods (25), the side walls of the mounting frame (51) are further fixedly connected with second linkage rods (53) close to the first extrusion rods (46), and the second linkage rods (53) are matched with the first extrusion rods (46).

7. A heat and cold exchange device for a heating, ventilation and air conditioning according to claim 6, characterized in that the first linkage rod (52) is located between two sets of second extrusion rods (25), and the second linkage rod (53) is located between the first extrusion rod (46) and the filter house (2).

8. A heat and cold exchange device for heating ventilation and air conditioning according to claim 1, wherein the cleaning parts are symmetrically provided with two groups about the filter screen (21), the cleaning parts comprise a cleaning shaft (54) rotatably connected between the two groups of mounting frames (51) and a cleaning roller (55) fixedly connected with the outer wall of the cleaning shaft (54), the cleaning shaft (54) is matched with the sliding groove (22), the cleaning roller (55) is matched with the filter screen (21), and two ends of the cleaning shaft (54) penetrate through the mounting frames (51) and are fixedly connected with driving gears (56).

9. The heat exchange device of heating ventilation and air conditioning according to claim 4, wherein the two side walls of the filtering bin (2) are fixedly connected with third racks (6) matched with the driving gears (56), a fan (61) is further arranged in the air guide pipe (4), a filter element (31) is further arranged on the inner wall of the air guide pipe (3), guide plates (63) symmetrically arranged relative to the filter screen (21) are fixedly connected on the inner wall of the filtering bin (2), and the guide plates (63) are matched with the impurity discharging ports (23).

10. The heat and cold exchange device of heating ventilation and air conditioning according to claim 5, wherein the side wall of the box body (1) is fixedly connected with a driving motor (11), the output end of the driving motor (11) is fixedly connected with a transmission part (12), the transmission part (12) is matched with two groups of screws (5), the top wall of the box body (1) is detachably connected with a cover plate (62) corresponding to a filter screen (21), and the side wall of the box body (1) is further provided with a first protection net (13) and a second protection net (14) corresponding to a filter bin (2) and an air duct (3).