Outdoor unit chassis structure and air conditioner applying same

Abstract

The utility model provides an outdoor unit chassis structure and an air conditioner applying the outdoor unit chassis structure, and the outdoor unit chassis structure comprises a supporting base; the damping chassis comprises a lower metal plate layer, a damping interlayer and an upper metal plate layer which are connected in a stacked mode from bottom to top. The damping chassis is installed on the top of the supporting base through the lower metal plate layer. The air conditioner comprises the outdoor unit and adopts the outdoor unit chassis structure. According to the outdoor unit chassis structure and the air conditioner applying the outdoor unit chassis structure, resonance between a compressor pipeline and the compressor is reduced, the stress of the compressor pipeline and the pipeline breakage risk during unit operation are reduced, and the reliability and stability of a unit are improved; and meanwhile, noise generated by low-frequency resonance of the compressor and the chassis supporting structure is reduced, noise reduction operation of the outdoor unit is achieved, and the user experience and environment friendliness of the air conditioner are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air-conditioning outdoor units, in particular to an outdoor unit chassis structure and an air conditioner using the same. Background Art

[0002] During operation, the compressor in an air conditioner's outdoor unit generates vibration and noise. Vibration can affect the reliability of the compressor's intake, exhaust, and oil return pipes, while noise pollutes the environment and impacts the user experience. As living standards improve, the demand for vibration and noise reduction in air conditioners is also increasing.

[0003] The compressor of an existing air conditioner outdoor unit is typically mounted on the chassis. Due to their wide operating frequency range, variable-frequency compressors often experience resonance with the chassis, causing a frequent low-frequency humming sound during operation. Furthermore, when the compressor piping resonates with the compressor, it increases stress, affecting normal operation and even creating the risk of rupture. Utility Model Content

[0004] The utility model provides an outdoor unit chassis structure to solve the technical problem in the prior art that a variable frequency compressor easily resonates with the chassis during operation, thereby affecting the normal operation of pipelines and causing noise pollution.

[0005] In order to solve the above problems, the technical solution adopted by the present invention is:

[0006] The utility model provides an outdoor unit chassis structure, comprising:

[0007] The supporting base; the damping chassis comprises a lower sheet metal layer, a damping interlayer and an upper sheet metal layer stacked and connected from bottom to top; the damping chassis is installed on the top of the supporting base through the lower sheet metal layer.

[0008] Preferably, the damping interlayer is made of epoxy resin or polyurethane polymer material.

[0009] Preferably, the thickness of the damping interlayer is 0.05-0.2 mm.

[0010] Preferably, both the upper sheet metal layer and the lower sheet metal layer are made of carbon structural steel.

[0011] Preferably, the support base comprises:

[0012] Four supporting vertical plates are connected end to end to form a rectangular supporting frame, and the lower sheet metal layer is installed on the top of the supporting frame; at least two horizontal bottom plates are connected to the bottom of the supporting frame.

[0013] Preferably, the top ends of one pair of supporting vertical plates are provided with horizontal flanges, and the two ends of the horizontal flanges are respectively provided with a pair of clearance holes; a pair of horizontal bottom plates are respectively connected to the bottom ends of the pair of supporting vertical plates;

[0014] The lower sheet metal layer, the damping interlayer and the upper sheet metal layer are provided with through holes matching the clearance holes, and the damping interlayer is fastened to the top of the support base by fasteners passing through the corresponding through holes and the clearance holes.

[0015] Preferably, two groups of perforations are respectively provided at both horizontal ends of the supporting vertical plates; the horizontal ends of another pair of supporting vertical plates are respectively provided with a pair of vertical flanges, and the vertical flanges are provided with fixing holes matching the perforations; the four supporting vertical plates are connected end to end in sequence through fasteners passing through the corresponding perforations and fixing holes to form a supporting frame.

[0016] Preferably, the supporting vertical plate is provided with at least one hollow structure.

[0017] The utility model also provides an air conditioner, including an outdoor unit, which adopts the above-mentioned outdoor unit chassis structure.

[0018] Preferably, the outdoor unit comprises: a compressor, a gas-liquid separator, and an oil separator;

[0019] Several bolt holes are arranged at intervals around the compressor's foot pad. The lower sheet metal layer, the damping interlayer, and the upper sheet metal layer are all provided with positioning holes that match the bolt holes. The top of the upper sheet metal layer is provided with positioning bolts that pass through the corresponding positioning holes and match the bolt holes. The compressor is fastened to the damping chassis through the corresponding bolt holes and the positioning bolts.

[0020] The corresponding legs of the gas-liquid separator and the oil separator are provided with mounting holes, and the lower sheet metal layer, the damping interlayer and the upper sheet metal layer are provided with limiting holes matching the mounting holes. The gas-liquid separator and the oil separator are fastened to the damping chassis through fasteners passing through the corresponding mounting holes and limiting holes.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The outdoor unit chassis structure provided by the utility model reduces the resonance between the compressor pipeline and the compressor, reduces the stress of the compressor pipeline and the risk of pipeline rupture when the unit is running, and improves the reliability and stability of the unit; at the same time, it improves the noise generated by the low-frequency resonance of the compressor and the chassis support structure, and realizes noise-reduced operation of the outdoor unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solution proposed by the present invention, it is described in detail below in combination with the embodiments and drawings. It should be understood that the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, these drawings can be changed under the concept of the present invention.

[0024] Figure 1 This is a schematic diagram of the assembly three-dimensional structure of an embodiment of the chassis structure of an outdoor unit provided by the utility model;

[0025] Figure 2 Schematic diagram of the assembly structure of the outdoor unit chassis structure of the embodiment provided by the utility model Figure 2 ;

[0026] Figure 3 for Figure 1 The outdoor unit chassis structure only shows the assembly three-dimensional structure diagram of the mask and inner partition.

[0027] Among them, the main markings of the figures in the figure are as follows: 1. Support base; 10. Support frame; 11. Support vertical plate; 111. Horizontal flange; 112. Perforation; 113. Vertical flange; 114. Round hole; 115. Hexagonal hole; 116. Round through hole; 117. Rectangular through hole; 12. Horizontal bottom plate; 121. Fixing hole; 2. Damping chassis; 21. Lower sheet metal layer; 211. Protrusion; 22. Damping interlayer; 23. Upper sheet metal layer; 24. Positioning hole; 25. Positioning bolt; 26. Limiting hole; 3. Fastener; 4. Compressor; 41. Foot pad; 5. Gas-liquid separator; 6. Oil separator; 7. Tripod; 71. Mounting hole. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clear, the following is a summary of the technical problems, technical solutions and beneficial effects to be solved by the present invention. Figure 1-3 And embodiments, the utility model is further described in detail.

[0029] Please also refer to Figure 1-3 The outdoor unit chassis structure provided by the utility model includes:

[0030] The support base 1 serves as the main supporting structure inside the outdoor unit housing for supporting the compressor 4 and other devices; the damping chassis 2 includes a lower sheet metal layer 21, a damping interlayer 22 and an upper sheet metal layer 23 stacked and connected from bottom to top.

[0031] The damping interlayer 22 has adhesiveness. When the damping chassis 2 is manufactured, the damping interlayer 22 is placed between the upper sheet metal layer 23 and the lower sheet metal layer 21 spaced apart from each other. The adhesiveness of the damping interlayer 22 is then used to press the upper sheet metal layer 23 and the lower sheet metal layer 21 together, thereby pressing the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 into a composite damping chassis 2 that is integrally stacked and connected from bottom to top. The damping chassis 2 is then subjected to machining, punching, trimming and other processes to complete the manufacture of the damping chassis 2.

[0032] During assembly, the damping chassis 2 is installed on the top of the supporting base 1 through the lower sheet metal layer 21, which ensures the structural strength of the damping chassis 2 while achieving vibration reduction and noise reduction. The corresponding holes on the damping chassis 2 can be used to fasten the tank bodies of various devices of the outdoor unit such as the compressor 4.

[0033] In this embodiment, the damping interlayer 22 placed between the upper sheet metal layer 23 and the lower sheet metal layer 21 is made of epoxy resin or polyurethane polymer material, so that the damping chassis 2 has good vibration absorption, energy absorption and noise reduction effects.

[0034] In this embodiment, the thickness of the damping interlayer 22 is 0.05-0.2 mm.

[0035] In this embodiment, the upper sheet metal layer 23 and the lower sheet metal layer 21 are both made of carbon structural steel, so that the damping chassis has sufficient structural strength to stably support various devices of the outdoor unit such as the compressor 4.

[0036] As a preferred embodiment, the upper sheet metal layer 23 and the lower sheet metal layer 21 are both made of Q235A steel.

[0037] Please also refer to Figure 1-3 In this embodiment, the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are all rectangular with matching areas. The lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are stacked and connected from bottom to top to form a rectangular damping chassis 2.

[0038] The support base 1 includes:

[0039] The four supporting vertical plates 11 are connected end to end to form a rectangular supporting frame 10, and the area of the rectangular area enclosed by the supporting frame 10 matches the rectangular area of the damping chassis 2. The damping chassis 2 is installed on the top of the supporting frame 10 through the lower sheet metal layer 21, and the lower sheet metal layer 21 covers the rectangular area enclosed by the supporting frame 10, so that the bottom end of the lower sheet metal layer 21 is connected to the corresponding top ends of the four supporting vertical plates 11 of the supporting frame 10, and the damping chassis 2 remains horizontal when installed on the top end of the supporting frame 10; at least two horizontal bottom plates 12 are connected to the bottom end of the supporting frame 10, and a plurality of fixing holes 121 are provided on the horizontal bottom plates 12, which are used to pass the fasteners 3 through the fixing holes 121 and the corresponding holes of the base of the outdoor unit housing to fasten the supporting base 1, the damping chassis 2 and the compressor 4 and other devices to the base of the outdoor unit housing.

[0040] In other embodiments, the lower sheet metal layer 21 , the damping interlayer 22 and the upper sheet metal layer 23 may also be circular, trapezoidal or other shapes with matching areas, as long as the lower sheet metal layer 21 covers the area enclosed by the support frame 10 .

[0041] In other embodiments, the supporting frame 10 may also be surrounded by three, five or more supporting vertical boards 11 .

[0042] In other embodiments, the supporting frame 10 may also be in a trapezoidal, polygonal or other shapes.

[0043] Please also refer to Figure 1-3 In this embodiment, a pair of parallel support vertical plates 11 are provided with horizontal flanges 111 at their top ends, and a pair of clearance holes (not shown in the figure) are provided at both ends of the horizontal flanges 111; a pair of horizontal bottom plates 12 are respectively connected to the bottom ends of the pair of support vertical plates 11 provided with the horizontal flanges 111;

[0044] The four rectangular corners of the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are respectively provided with through holes matching the clearance holes, and the corresponding ends of the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are provided with protrusions 211 matching the horizontal flanges 111;

[0045] When the damping chassis 2 is installed on the top of the supporting frame 10, the bottom end of the lower sheet metal layer 21 is connected to the corresponding top ends of the four supporting vertical plates 11 of the supporting frame 10, and the pair of protrusions 211 of the lower sheet metal layer 21 are respectively fitted to the top ends of a pair of horizontal flanges 111. At the same time, the damping interlayer 22 is fastened to the top end of the supporting base 1 by the fasteners 3 passing through the corresponding through holes and clearance holes.

[0046] See also Figure 1In this embodiment, two sets of through-holes 112 are respectively provided at the horizontal ends of a pair of support vertical plates 11 provided with horizontal flanges 111; the horizontal ends of another pair of support vertical plates 11 are respectively provided with a pair of vertically arranged connecting flanges (not shown in the figure), and the connecting flanges are provided with openings (not shown in the figure) matching the through-holes 112; the four support vertical plates 11 are connected end to end in sequence through the fasteners 3 through the corresponding through-holes 112 and the openings to form a support frame 10.

[0047] See also Figure 1 As a preferred implementation of this embodiment, a pair of support vertical plates 11 with horizontal flanges 111 are respectively provided with a pair of vertical flanges 113 at the horizontal ends thereof, and at least one circular hole 114 and a hexagonal hole 115 are provided at intervals on the vertical flanges 113, which are used to pass the fasteners 3 through the circular holes 114, the hexagonal holes 115 and the corresponding holes on the side wall of the outdoor unit housing, respectively, to fasten the support base 1, the damping chassis 2 and the compressor 4 and other devices to the outdoor unit housing.

[0048] See also Figure 1 In this embodiment, the fastener 3 is a screw or a bolt.

[0049] See also Figure 1 In this embodiment, the support vertical plate 11 is provided with at least one hollow structure, which is used to reduce the total structure of the support base 1 and save its materials to reduce the production cost of the outdoor unit chassis structure, while improving the heat dissipation of the support base 1.

[0050] See also Figure 1 As a preferred implementation of this embodiment, the hollow structure includes a plurality of circular through holes 116 and rectangular through holes 117 that are spaced apart.

[0051] See also Figure 1 The present invention also provides an air conditioner, including an outdoor unit, which adopts the above-mentioned outdoor unit chassis structure, and the outdoor unit chassis structure is installed on the top of a base (not shown in the figure) of an outdoor unit housing (not shown in the figure).

[0052] Please also refer to Figure 1-3 In this embodiment, the outdoor unit includes: a compressor 4, a gas-liquid separator 5, and an oil separator 6;

[0053] Among them, a number of bolt holes (not shown in the figure) are arranged at intervals around the foot pad 41 at the bottom of the tank body of the compressor 4, and the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are all provided with positioning holes 24 matching the bolt holes. The top of the upper sheet metal layer 23 is provided with positioning bolts 25 that pass through the corresponding positioning holes 24 and match the bolt holes. The compressor 4 is fastened to the damping chassis 2 through the corresponding bolt holes and the positioning bolts 25.

[0054] The corresponding legs 7 at the bottom of the tank bodies of the gas-liquid separator 5 and the oil separator 6 are provided with mounting holes 71, and the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23 are provided with limiting holes 26 matching the mounting holes 71. The tank bodies of the gas-liquid separator 5 and the oil separator 6 are fastened to the damping chassis 2 by fasteners 3 passing through the corresponding mounting holes 71 and the limiting holes 26.

[0055] In this embodiment, four foot pads 41 are evenly spaced around the bottom of the tank body of the compressor 4 .

[0056] In this embodiment, two legs 7 are spaced apart at the bottom of the tank body of the gas-liquid separator 5 .

[0057] The working principle of the outdoor unit chassis structure provided by the utility model is as follows:

[0058] During the operation of the compressor 4 (especially the variable frequency compressor 4) of the outdoor unit of the air conditioner, when the compressor 4 reaches the operating frequency point that resonates with the chassis structure of the outdoor unit, since the compressor 4 is installed on the support base 1 through the damping chassis 2, and the damping chassis 2 includes a lower sheet metal layer 21, a damping interlayer 22 and an upper sheet metal layer 23 stacked from bottom to top, the vibration generated by the compressor 4 is absorbed and reduced layer by layer by the lower sheet metal layer 21, the damping interlayer 22 and the upper sheet metal layer 23, thereby reducing the vibration transmitted to the support base 1.

[0059] Therefore, the chassis structure of the outdoor unit provided by the present invention reduces the resonance between the various pipes of the compressor 4 pipeline and the compressor 4, and reduces the stress of the compressor 4 pipeline when the unit is running, reduces the risk of rupture of the compressor 4 pipeline, and improves the reliability and stability of the unit operation; at the same time, it improves the buzzing sound generated by the low-frequency resonance of the compressor 4 and the chassis support structure, realizes the noise reduction operation of the outdoor unit, and improves the user experience and environmental friendliness of the air conditioner.

[0060] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the utility model.

Claims

1. An outdoor unit chassis structure, characterized in that: include: Support base (1); The damping chassis (2) comprises a lower sheet metal layer (21), a damping interlayer (22) and an upper sheet metal layer (23) stacked and connected from bottom to top; The damping chassis (2) is mounted on the top of the supporting base (1) via the lower sheet metal layer (21).

2. The outdoor unit chassis structure according to claim 1, characterized in that: The damping interlayer (22) is made of epoxy resin or polyurethane polymer material.

3. The outdoor unit chassis structure according to claim 2, characterized in that: The thickness of the damping interlayer (22) is 0.05-0.2 mm.

4. The outdoor unit chassis structure according to claim 1, characterized in that: The upper sheet metal layer (23) and the lower sheet metal layer (21) are both made of carbon structural steel.

5. The outdoor unit chassis structure according to any one of claims 1 to 4, characterized in that: The support base (1) comprises: Four supporting vertical plates (11) are connected end to end to form a rectangular supporting frame, and the lower sheet metal layer (21) is installed on the top of the supporting frame; At least two horizontal bottom plates (12) are connected to the bottom end of the supporting frame.

6. The outdoor unit chassis structure according to claim 5, characterized in that: A pair of supporting vertical plates (11) are provided with a horizontal flange (111) at the top end, and a pair of clearance holes are provided at the two ends of the horizontal flange (111); a pair of horizontal bottom plates (12) are respectively connected to the bottom ends of the pair of supporting vertical plates (11); The lower sheet metal layer (21), the damping interlayer (22) and the upper sheet metal layer (23) are provided with through holes matching the clearance holes, and the damping interlayer (22) is fastened to the top of the support base (1) by fasteners (3) passing through the corresponding through holes and the clearance holes.

7. The outdoor unit chassis structure according to claim 6, characterized in that: Two groups of perforations (112) are respectively provided at the horizontal ends of the supporting vertical plates (11); and a pair of vertical flanges (113) are respectively provided at the horizontal ends of the other pair of supporting vertical plates (11), wherein the vertical flanges (113) are provided with openings matching the perforations (112); The four supporting vertical plates (11) are passed through the corresponding through-holes (112) and the openings via fasteners (3) and are connected end to end to form the supporting frame.

8. The outdoor unit chassis structure according to claim 5, characterized in that: The supporting vertical plate (11) is provided with at least one hollow structure.

9. An air conditioner comprising an outdoor unit, characterized in that: The outdoor unit adopts the outdoor unit chassis structure according to any one of claims 1 to 8.

10. The air conditioner according to claim 9, wherein The outdoor unit comprises: a compressor (4), a gas-liquid separator (5), and an oil separator (6); A plurality of bolt holes are arranged at intervals around the foot pad (41) of the compressor (4); the lower sheet metal layer (21), the damping interlayer (22) and the upper sheet metal layer (23) are all provided with positioning holes (24) matching the bolt holes; a top end of the upper sheet metal layer (23) is provided with positioning bolts (25) passing through the corresponding positioning holes (24) and matching the bolt holes; the compressor (4) is fastened to the damping chassis (2) by cooperating with the positioning bolts (25) through the corresponding bolt holes; The corresponding legs of the gas-liquid separator (5) and the oil separator (6) are both provided with mounting holes (7); the lower sheet metal layer (21), the damping interlayer (22) and the upper sheet metal layer (23) are both provided with limiting holes (26) matching the mounting holes (7); the gas-liquid separator (5) and the oil separator (6) are fastened to the damping chassis (2) through fasteners (3) passing through the corresponding mounting holes (7) and the limiting holes (26).

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