CN219775879U - Air treatment unit - Google Patents

Abstract

The utility model discloses an air treatment unit, which relates to the technical field of air conditioning equipment and comprises a box body, a box door, a heat exchanger and a pressing plate. The box door is provided with a first through hole for the inlet pipe valve and the outlet pipe valve of the heat exchanger to pass through the outside of the box door, so that the box door can directly avoid the inlet pipe valve and the outlet pipe valve through the first through hole, and the convenience of disassembly and installation of the box door is improved; the first through hole adopts a smaller aperture, so that the overall structural strength of the box door can be improved, and the structural stability of the air treatment unit can be improved; the clamp plate is connected in the lateral wall of chamber door with the first through-hole of closing cap part, and the clamp plate is equipped with first tube hole and second tube hole, and first tube hole supplies the takeover of import tube valve and heat exchanger body to pass through, and the second tube hole supplies the takeover of export tube valve and heat exchanger body to pass through, has guaranteed the leakproofness of chamber door, promotes the heat exchange efficiency of air handling unit.

Description

Air treatment unit

Technical Field

The utility model relates to the technical field of air conditioning equipment, in particular to an air treatment unit.

Background

The heat exchanger of the air treatment unit is arranged in the box body, and an inlet pipe and an outlet pipe of the heat exchanger need to extend out of the box body through the box door. In the related art, in order to solve the installation problem of heat exchanger, the structure of chamber door is complicated, and inconvenient dismantlement and installation have increased the degree of difficulty of maintenance.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the air treatment unit, which improves the convenience and structural strength of the disassembly and assembly of the box door.

An air treatment unit according to an embodiment of the present utility model includes: the box body comprises a peripheral wall, and an opening is formed in one side of the peripheral wall; the box door is connected to the peripheral wall and used for sealing the opening, and is provided with a first through hole; the heat exchanger is arranged in the box body and comprises an inlet pipe valve and an outlet pipe valve, and the inlet pipe valve and the outlet pipe valve penetrate out of the box door through the first through hole; the pressing plate is connected to the outer side wall of the box door and covers part of the first through hole, and is provided with a first pipe hole for the connecting pipe of the inlet pipe valve to pass through and a second pipe hole for the connecting pipe of the outlet pipe valve to pass through.

The air treatment unit provided by the embodiment of the utility model has at least the following beneficial effects:

the first through holes for the inlet pipe valve and the outlet pipe valve of the heat exchanger to pass through are formed in the box door, so that the box door can directly avoid the inlet pipe valve and the outlet pipe valve through the first through holes, and convenience in disassembly and installation of the box door is improved; the first through hole adopts less aperture, can promote the overall structure intensity of chamber door, is favorable to improving air handling unit's structural stability. And the pressing plate is connected to the outer side wall of the box door to cover part of the first through hole, the pressing plate is provided with a first pipe hole and a second pipe hole, the first pipe hole is used for the inlet pipe valve to pass through with the connecting pipe of the heat exchanger body, the second pipe hole is used for the outlet pipe valve to pass through with the connecting pipe of the heat exchanger body, the sealing performance of the box door is guaranteed, and the heat exchange efficiency of the air treatment unit is improved.

According to some embodiments of the utility model, the inlet pipe valve and the outlet pipe valve are arranged at intervals along a first direction, the pressing plate comprises a first plate and a second plate which are arranged along a second direction, the second direction is perpendicular to the first direction, a first half hole and a second half hole are respectively formed on one side of the first plate and the second plate, which is opposite to the first plate, the two first half holes are matched to form the first pipe hole, and the two second half holes are matched to form the second pipe hole.

According to some embodiments of the utility model, the air handling unit further comprises a vibration dampening pad connected to the pressure plate, the vibration dampening pad being located between the pressure plate and the inlet and outlet pipe valves.

An inner wall of the first tube bore and the inlet tube valve, and an inner wall of the second tube bore and the outlet tube valve.

According to some embodiments of the utility model, the vibration dampening pad is provided with a third tube aperture having a smaller diameter than the first tube aperture and a fourth tube aperture having a smaller diameter than the second tube aperture.

According to some embodiments of the utility model, the vibration damping pad comprises a first pad and a second pad, wherein a third half hole and a fourth half hole are respectively formed on one side of the first pad and the second pad, the two third half holes are matched to form the third pipe hole, and the two fourth half holes are matched to form the fourth pipe hole.

According to some embodiments of the utility model, the inlet pipe valve is provided with a first mounting seat, and the first mounting seat, the damping pad and the pressing plate are connected through fasteners; the outlet pipe valve is provided with a second installation seat, and the second installation seat, the damping pad and the pressing plate are connected through a fastener.

According to some embodiments of the utility model, the four corners of the door are each provided with a counterbore, and the bottom wall of the counterbore is provided with a mounting hole for cooperating with a fastener to mount the door to the box.

According to some embodiments of the utility model, the air handling unit further comprises a water pan and a first vibration damping ring, the water pan comprises a first drain portion, the box door is provided with a second through hole for the first drain portion to pass through, and the first vibration damping ring is connected between the first drain portion and the inner wall of the second through hole.

According to some embodiments of the utility model, the air handling unit further comprises a second vibration damping ring, the water pan further comprises a second drain portion, the box door is provided with a third through hole for the second drain portion to pass through, and the second vibration damping ring is connected between the second drain portion and the inner wall of the third through hole.

According to some embodiments of the utility model, the air handling unit further includes a heat insulating layer coupled to an inner side wall of the door.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of an air handling unit according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the air handling unit of FIG. 1 with the door, pressure plate and damping pad removed;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is an exploded view of the door, the pressure plate and the damper pad of FIG. 1;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is a schematic front view of the air treatment unit of FIG. 1;

fig. 7 is an enlarged view at C in fig. 6.

Reference numerals:

a case 100; a peripheral wall 110; an opening 111; an air inlet 120; an air outlet 130;

a box door 200; a first through hole 210; a counterbore 220; a second through hole 230; a third through hole 240; folding edge 250;

a heat exchanger 300; a heat exchanger body 310; an inlet pipe valve 320; a first mount 321; an outlet pipe valve 330; a second mount 331; a take-over 340;

a pressing plate 400; a first tube aperture 410; a first half hole 411; a second tube aperture 420; a second half hole 421; a first plate 430; a second plate 440;

damping pad 500; a third tube aperture 510; a third half hole 511; a fourth tube hole 520; fourth half-hole 521; a first pad 530; a second pad 540;

a water receiving tray 600; a main drip tray 610; a first water discharge portion 611; a sub-water receiving tray 620; a second water discharge portion 621;

a first vibration damping collar 700;

a second vibration damping collar 800;

a thermal insulation layer 900; notch 910.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, plural means two or more. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The air handling unit, also called an American air duct machine, is generally installed in an attic or a basement, and is generally constructed by assembling a plurality of module boxes due to the complex installation environment and narrow installation space. An air handling unit of an embodiment of the present utility model includes a heat exchange box and a fan box. The heat exchanger is installed in the heat exchange box, and the fan is installed in the fan box. The heat exchange box and the fan case are constructed into two independent module cases, and the heat exchange box and the fan case are detachably connected, so that the heat exchange box and the fan case can be respectively carried after being detached, and then are quickly assembled during installation, thereby being convenient for installation personnel to install in a narrow installation space, reducing the installation difficulty and improving the installation efficiency. It can be appreciated that due to the narrow installation space, when the air handling unit needs maintenance or cleaning, the maintenance convenience can be improved by adopting the detachable structure of the heat exchange box and the fan box.

It will be appreciated that the air treatment unit of another embodiment of the present utility model may also be of unitary design, i.e. the heat exchanger and the fan are mounted in the same housing.

In order to clearly illustrate the technical solution of the embodiments of the present utility model, the following description will be made with respect to a modular air treatment unit. Referring to FIG. 1, an air treatment unit according to one embodiment of the present utility model includes a heat exchange box. The heat exchange box includes a box body 100, a box door 200, and a heat exchanger 300. The case 100 includes a peripheral wall 110, and an opening 111 is provided at one side of the peripheral wall 110. The door 200 is connected to the peripheral wall 110 and disposed at the opening 111, and the door 200 is used for covering the opening 111. The door 200 and the peripheral wall 110 enclose an accommodating space in which the heat exchanger 300 is installed. The two ends of the box body 100 are respectively provided with an air inlet 120 and an air outlet 130, and the air inlet 120 and the air outlet 130 are both communicated with the accommodating space. The air flow of the indoor environment or the outdoor environment enters the heat exchange box through the air inlet 120 and flows through the heat exchanger 300 to realize heat exchange (heating or refrigerating), and the air flow after the heat exchange flows out to the fan box through the air outlet 130 and is discharged to the indoor environment, so that the temperature regulation of the indoor environment is realized. The fan creates a negative pressure to provide motive force for the airflow to flow from the air inlet 120 to the air outlet 130.

It will be appreciated that the door 200 is detachably coupled to the cabinet 100 for facilitating the installation, maintenance, etc. of the heat exchanger 300. The door 200 may be coupled to the case 100 by a screw, may be coupled to the case 100 by a magnet, or may be coupled to the case 100 by a snap. The connection between the door 200 and the case 100 is various, and is specifically selected according to the actual product requirement, which is not limited herein.

Referring to fig. 2, 3 and 4, the heat exchanger 300 includes a heat exchanger body 310, an inlet pipe valve 320 and an outlet pipe valve 330, the inlet pipe valve 320 and the heat exchanger body 310 are connected through a connection pipe 340, and the outlet pipe valve 330 and the heat exchanger body 310 are connected through the connection pipe 340. The connection of the adapter 340 with the inlet pipe valve 320 and the outlet pipe valve 330 is generally fixed by welding.

Referring to fig. 4 and 5, the cabinet door 200 is provided with a first through hole 210, and the aperture of the first through hole 210 is matched with the inlet pipe valve 320 and the outlet pipe valve 330 so that the inlet pipe valve 320 and the outlet pipe valve 330 can pass through the cabinet door 200 directly through the first through hole 210. It will be appreciated that the aperture of the first through bore 210 is related to the cross-sectional dimensions of the inlet pipe valve 320 and the outlet pipe valve 330, as well as the distance between the inlet pipe valve 320 and the outlet pipe valve 330. The box door 200 of the heat exchange box in the embodiment of the utility model can directly avoid the inlet pipe valve 320 and the outlet pipe valve 330 through the first through hole 210, thereby improving the convenience of disassembly and assembly of the box door 200. In addition, compared with the prior art, the first through hole 210 of the box door 200 in the embodiment of the utility model adopts a smaller aperture, so that the overall structural strength of the box door 200 can be improved, and the structural stability of the air treatment unit can be improved.

Referring to fig. 3 and 5, the air treatment unit according to the embodiment of the present utility model further includes a pressing plate 400, and the pressing plate 400 is coupled to an outer sidewall of the cabinet door 200. It should be appreciated that the pressing plate 400 may be connected to the door 200 by using a fastener such as a screw, a rivet, or the like, and may be connected to the door 200 by using an adhesive or the like, which is not particularly limited herein. To facilitate the installation of the pressing plate 400, the pressing plate 400 may be formed of a combination of a plurality of partial structures, or may be formed of a single structure having elasticity.

After the cabinet door 200 is mounted to the cabinet body 100, the pressing plate 400 is used to cover part of the first through hole 210, simplifying the mounting and dismounting processes of the cabinet door 200. The pressing plate 400 is provided with a first pipe hole 410 and a second pipe hole 420, the first pipe hole 410 is used for the inlet pipe valve 320 and the connecting pipe 340 of the heat exchanger main body 310 to pass through, the second pipe hole 420 is used for the outlet pipe valve 330 and the connecting pipe 340 of the heat exchanger main body 310 to pass through, the sealing performance of the box door 200 is ensured, the heat exchange box is prevented from being fed with air from the first through hole 210 of the box door 200, and the heat exchange efficiency of the air treatment unit is improved. Moreover, the first tube aperture 410 can limit the nipple 340 of the inlet tube valve 320 and the second tube aperture 420 can limit the nipple 340 of the outlet tube valve 330, thereby improving the installation stability of the inlet tube valve 320 and the outlet tube valve 330.

Referring to fig. 5, 6 and 7, it will be appreciated that the inlet and outlet tube valves 320 and 330 are spaced apart in a first direction, which is the up-down direction shown in fig. 7. The pressing plate 400 includes a first plate 430 and a second plate 440, and the first plate 430 and the second plate 440 are arranged in a second direction, which is a left-right direction as shown in fig. 7, and the second direction is disposed perpendicular to the first direction. The first plate 430 is provided with a first half hole 411 and a second half hole 421 at a side facing the second plate 440, respectively, and the second plate 440 is provided with a first half hole 411 and a second half hole 421 at a side facing the first plate 430, respectively. The first plate 430 and the second plate 440 are respectively clamped to the nipple 340 of the inlet pipe valve 320 and the nipple 340 of the outlet pipe valve 330 in the left-right direction. The first half aperture 411 of the first plate 430 and the first half aperture 411 of the second plate 440 cooperate to form a first tube aperture 410 for passage of the nipple 340 of the inlet tube valve 320, and the second half aperture 421 of the first plate 430 and the second half aperture 421 of the second plate 440 cooperate to form a second tube aperture 420 for passage of the nipple 340 of the outlet tube valve 330. Therefore, by providing the structure in which the first plate 430 and the second plate 440 are matched, the pressing plate 400 is more convenient and faster to install in the case 100, and the difficulty of assembly is reduced; and the first and second plates 430 and 440 can better cover the first through holes 210, reducing the air leakage phenomenon at the first through holes 210.

As another example, the inlet pipe valve 320 and the outlet pipe valve 330 may be disposed at intervals in the left-right direction, in which case the first plate 430 and the second plate 440 are disposed to sandwich the inlet pipe valve 320 and the outlet pipe valve 330 in the up-down direction.

Referring to fig. 5 and 7, it will be appreciated that the air treatment unit further includes a vibration damping pad 500, and that the vibration damping pad 500 is made of a vibration damping material, such as rubber or the like. The damping pad 500 is connected to the pressing plate 400, and the damping pad 500 may be connected to the pressing plate 400 by using a fastener such as a screw or a rivet, or may be connected to the pressing plate 400 by using an adhesive or the like, which is not particularly limited herein. Vibration damping pad 500 is located between pressure plate 400 and inlet pipe valve 320 for damping vibration friction between nipple 340 of inlet pipe valve 320 and pressure plate 400, reducing wear at the weld of inlet pipe valve 320 and nipple 340; damping pad 500 is also located between pressure plate 400 and outlet tube valve 330 for damping vibratory friction between nipple 340 of outlet tube valve 330 and pressure plate 400, reducing wear at the weld of outlet tube valve 330 and nipple 340.

Referring to fig. 5, it can be appreciated that the damper pad 500 is provided with a third tube hole 510 and a fourth tube hole 520. The diameter of the third tube hole 510 is smaller than that of the first tube hole 410, the third tube hole 510 is used for the connecting tube 340 of the inlet tube valve 320 to pass through, the third tube hole 510 is in interference fit with the connecting tube 340 of the inlet tube valve 320, and the third tube hole 510 wraps the inlet tube valve 320, so that the influence of vibration generated by the connecting tube 340 of the inlet tube valve 320 on the pressing plate 400 and the box door 200 is reduced. The diameter of the fourth tube hole 520 is smaller than that of the second tube hole 420, the fourth tube hole 520 is used for allowing the connecting tube 340 of the inlet tube valve 320 to pass through, the fourth tube hole 520 is in interference fit with the connecting tube 340 of the inlet tube valve 320, and the fourth tube hole 520 wraps the inlet tube valve 320, so that the influence of vibration generated by the connecting tube 340 of the inlet tube valve 320 on the pressing plate 400 and the box door 200 is reduced. And the vibration-damping pad 500 can further improve the sealing effect on the first through hole 210 and reduce the air leakage phenomenon at the first through hole 210.

Referring to fig. 5 and 7, in order to facilitate the installation of the vibration damping pad 500 and reduce the difficulty of installing the vibration damping pad 500, the vibration damping pad 500 includes a first pad 530 and a second pad 540. The first pad 530 and the second pad 540 may be made of a vibration damping material such as rubber. The first and second pads 530 and 540 are arranged in the second direction, which is the same as the arrangement direction of the first and second plates 430 and 440. The side of the first pad 530 facing the second pad 540 is provided with a third half hole 511 and a fourth half hole 521, respectively, and the side of the second pad 540 facing the first pad 530 is provided with a third half hole 511 and a fourth half hole 521, respectively. The first and second pads 530 and 540 are respectively clamped to the nipple 340 of the inlet pipe valve 320 and the nipple 340 of the outlet pipe valve 330 in the left-right direction. The third half hole 511 of the first pad 530 and the third half hole 511 of the second pad 540 cooperate to form a third pipe hole 510 for the passage of the nipple 340 of the inlet pipe valve 320, and the fourth half hole 521 of the first pad 530 and the fourth half hole 521 of the second pad 540 cooperate to form a fourth pipe hole 520 for the passage of the nipple 340 of the outlet pipe valve 330. Therefore, by providing the structure in which the first pad 530 and the second pad 540 are matched, the vibration damping pad 500 is more conveniently and rapidly mounted on the pressing plate 400, and the difficulty of assembly is reduced; and the vibration reduction effect is good, and the vibration reduction device is convenient to replace after fatigue damage occurs after long-time use.

Referring to fig. 6 and 7, the inlet pipe valve 320 is provided with a first mount 321, and the first mount 321, the damper pad 500, and the pressure plate 400 are connected by fasteners. It will be appreciated that, for easy disassembly and installation, the fasteners generally employ screws, which may be provided in plurality, each screw being sequentially threaded through the first mounting base 321, the damping pad 500 and the platen 400, so that the connection is more reliable and the installation is more convenient.

Referring to fig. 6 and 7, the outlet pipe valve 330 is provided with a second mounting seat 331, and the second mounting seat 331, the damper pad 500 and the pressing plate 400 are connected by fasteners. It will be appreciated that, for easy disassembly and installation, the fasteners generally employ screws, which may be provided in plurality, each screw being sequentially threaded through the first mounting base 321, the damping pad 500 and the platen 400, so that the connection is more reliable and the installation is more convenient.

Referring to fig. 4 and 6, it can be appreciated that the four corners of the door 200 are provided with the counter bores 220, and that the counter bores 220 can be formed by punching. The bottom wall of the counter bore 220 is provided with a mounting hole, the box door 200 is penetrated through the mounting hole through a fastener and is fixedly connected to the box body 100, the design of the counter bore 220 can prevent the screw head from protruding out of the outer side wall of the box door 200, the potential safety hazard is reduced, and the attractiveness of the air treatment unit is also improved.

Referring to fig. 3 and 4, it will be appreciated that the air treatment unit further includes a water tray 600, and the water tray 600 is used to receive condensed water generated by the heat exchanger 300. The water tray 600 includes a main water tray 610 and a sub water tray 620, the main water tray 610 including a first drain portion 611, the first drain portion 611 being for use when the air treatment unit is placed vertically. The air treatment unit further includes a first vibration damping ring 700, and the door 200 is provided with a second through hole 230 through which the first drain portion 611 passes, and the first vibration damping ring 700 is connected between the first drain portion 611 and an inner wall of the second through hole 230.

The outer circumferential wall 110 of the first vibration damping ring 700 is provided with a first positioning groove for being engaged with the inner circumferential wall 110 of the second through hole 230 such that the door 200 formed around the second through hole 230 is inserted into the first positioning groove, and the first vibration damping ring 700 can be stably mounted to the door 200. The first damping ring 700 is made of an elastic material, such as rubber. Therefore, the first damping ring 700 may be installed on the door 200 in an interference connection manner, so as to further improve the installation stability and reduce the risk of the first damping ring 700 being separated. In addition, the inner hole of the first vibration damping ring 700 is in interference fit with the outer wall of the first drainage part 611, so that a gap between the first drainage part 611 and the second through hole 230 is sealed, the tightness of the box door 200 is improved, dust and moisture are effectively prevented from entering the box body 100, and damage is caused to parts inside the box body 100.

In addition, the first damping ring 700 may be coupled to the door 200 by a fastener, such as a screw or rivet. The end surface of the first damping ring 700 facing the outer sidewall of the door 200 is provided with a first extension edge, and the first extension edge is connected to the door 200 through a fastener. In order to improve the connection stability of the first damping ring 700 with the door 200, the first damping ring 700 may be made of an elastic material, such as rubber; the first extension may be made of a material that is stronger than the first vibration damping ring 700.

Referring to fig. 4 and 6, it is understood that the sub-water receiving tray 620 includes a second water discharge portion 621. The air treatment unit further includes a second vibration damping ring 800, and the door 200 is provided with a third through hole 240 through which the second drain portion 621 passes, the second vibration damping ring 800 being connected between the second drain portion 621 and an inner wall of the third through hole 240.

The outer circumferential wall 110 of the second vibration damping ring 800 is provided with a second positioning groove for being engaged with the inner circumferential wall 110 of the third through hole 240, so that the door 200 formed around the third through hole 240 is inserted into the second positioning groove, and the second vibration damping ring 800 can be stably mounted to the door 200. The second damping ring 800 is made of an elastic material, such as rubber. Therefore, the second damping ring 800 may be installed on the door 200 in an interference connection manner, so as to further improve the installation stability and reduce the risk of detachment of the second damping ring 800. In addition, the inner hole of the second vibration damping ring 800 is in interference fit with the outer wall of the second drainage part 621, so that a gap between the second drainage part 621 and the third through hole 240 is sealed, the tightness of the box door 200 is improved, dust and moisture are effectively prevented from entering the box body 100, and damage is caused to parts inside the box body 100.

In addition, the second damping ring 800 may be coupled to the door 200 by a fastener, such as a screw or rivet. The end surface of the second damping ring 800 facing the outer side wall of the door 200 is provided with a second extension edge, and the second extension edge is connected to the door 200 through a fastener. In order to improve the connection stability of the second vibration damping ring 800 to the door 200, the second vibration damping ring 800 may be made of an elastic material, such as rubber; the second extension may be made of a material that is stronger than the second vibration damping ring 800.

Referring to fig. 4, the air treatment unit according to the embodiment of the present utility model further includes an insulation layer 900, and the insulation layer 900 may be made of insulation cotton or other materials. The thermal insulation 900 is attached to the inner side wall of the door 200. It will be appreciated that the four ends of the door 200 are respectively bent inwardly to form the folds 250, and the insulating layer 900 is positioned and installed in the four folds 250. The heat preservation 900 can effectively reduce the heat exchange between the air flow in the accommodating space and the ambient air flow, and improves the heat exchange efficiency of the air treatment unit.

In order to ensure that the screws at the four corners of the door 200 can conveniently pass through the insulation layer 900 and be mounted to the case 100, the four corners of the insulation layer 900 are respectively provided with notches 910, and the notches 910 are used for avoiding the four screws.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims (10)

1. Air treatment unit, its characterized in that includes:

the box body comprises a peripheral wall, and an opening is formed in one side of the peripheral wall;

the box door is connected to the peripheral wall and used for sealing the opening, and is provided with a first through hole;

the heat exchanger is arranged in the box body and comprises an inlet pipe valve and an outlet pipe valve, and the inlet pipe valve and the outlet pipe valve penetrate out of the box door through the first through hole;

the pressing plate is connected to the outer side wall of the box door and covers part of the first through hole, and is provided with a first pipe hole for the connecting pipe of the inlet pipe valve to pass through and a second pipe hole for the connecting pipe of the outlet pipe valve to pass through.

2. An air treatment unit according to claim 1, wherein: the inlet pipe valve with the outlet pipe valve sets up along first direction interval, the clamp plate includes first board and the second board of arranging along the second direction, the second direction with first direction is perpendicular, first board with the opposite one side of second board is equipped with first half hole and second half hole respectively, two first half hole cooperation forms first tube hole, two second half hole cooperation forms the second tube hole.

3. An air treatment unit according to claim 1 or 2, wherein: the air handling unit also includes a damping pad connected to the pressure plate, the damping pad being located between the pressure plate and the inlet and outlet pipe valves.

4. An air treatment unit according to claim 3, wherein: the vibration reduction pad is provided with a third pipe hole and a fourth pipe hole, the diameter of the third pipe hole is smaller than that of the first pipe hole, and the diameter of the fourth pipe hole is smaller than that of the second pipe hole.

5. The air treatment unit of claim 4, wherein: the vibration reduction pad comprises a first pad and a second pad, wherein a third half hole and a fourth half hole are respectively formed in one side, opposite to the first pad and the second pad, of the first pad, the second pad is provided with a third half hole and a fourth half hole, the third half holes are matched with each other to form a third pipe hole, and the fourth half holes are matched with each other to form a fourth pipe hole.

6. An air treatment unit according to claim 3, wherein: the inlet pipe valve is provided with a first mounting seat, and the first mounting seat, the damping pad and the pressing plate are connected through fasteners; the outlet pipe valve is provided with a second installation seat, and the second installation seat, the damping pad and the pressing plate are connected through a fastener.

7. An air treatment unit according to claim 1, wherein: the four corners of the box door are respectively provided with a counter bore, the bottom wall of the counter bore is provided with a mounting hole, and the mounting holes are used for being matched with fasteners to mount the box door on the box body.

8. An air treatment unit according to claim 1, wherein: the air handling unit further comprises a water receiving disc and a first vibration damping ring, the water receiving disc comprises a first water draining part, the box door is provided with a second through hole for the first water draining part to pass through, and the first vibration damping ring is connected between the first water draining part and the inner wall of the second through hole.

9. The air treatment unit of claim 8, wherein: the air handling unit further comprises a second vibration reduction ring, the water receiving disc further comprises a second water draining part, the box door is provided with a third through hole for the second water draining part to pass through, and the second vibration reduction ring is connected between the second water draining part and the inner wall of the third through hole.

10. An air treatment unit according to claim 1, wherein: the air handling unit further comprises an insulating layer, and the insulating layer is connected to the inner side wall of the box door.