Direct expansion type dehumidification air conditioning unit

Abstract

The utility model relates to the technical field of air conditioning units, in particular to a direct expansion type dehumidification air conditioning unit which comprises a unit body, an air outlet is formed in the top of the outer side of the unit body, an air inlet is formed in the left side of the unit body, and a positioning column and a dehumidification box are arranged on the left side of the air inlet. A positioning column is arranged at the left end of the dehumidification box, a fastening block is arranged at the left end of the positioning column, a positioning hole is formed in the side surface of the right end of the dehumidification box, a moisture absorption layer is arranged in the dehumidification box, and an air volume adjusting mechanism is arranged in an air inlet. Under the combination of the electric push rod and the rack plate, meshing transmission of the rack plate and the rack wheel can be controlled, directional rotation of the rotating shaft and the blades is achieved, then the purpose of flexibly adjusting the air inlet amount of the air conditioning unit is achieved, and energy consumption during operation of the air conditioning unit is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning unit technical field, concretely is a direct expansion dehumidification air conditioning unit. BACKGROUND

[0002] Direct expansion air conditioning unit is the compressor of unit itself, because its refrigeration system liquid refrigerant evaporates in its evaporator coil to realize the heat absorption of the air outside the coil and refrigeration, direct expansion air conditioning unit is refrigerant directly with the air to be handled to complete heat exchange, and does not pass through secondary heat exchange.

[0003] At present, a direct expansion dehumidification air conditioning unit is used, most of the air conditioning units do not have the function of adjusting the air inlet, so when using, the air inlet cannot be flexibly adjusted, thereby increasing the energy consumption of the air conditioning unit, which is not conducive to subsequent use, and the installation of the dehumidification box in the air conditioning unit is mostly fixed by bolts, which needs to consume a lot of time when disassembling, thereby increasing the downtime of the air conditioning unit and reducing the maintenance efficiency of the air conditioning unit.

[0004] In summary, the utility model discloses a direct expansion dehumidification air conditioning unit to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0005] The utility model discloses a direct expansion dehumidification air conditioning unit to solve the problems in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A direct expansion dehumidification air conditioning unit, comprising a unit body, an air outlet is arranged on the top of the outer side of the unit body, an air inlet is arranged on the left side of the unit body, a positioning column and a dehumidification box are arranged on the left side of the air inlet respectively, a fastening block is arranged on the left end of the positioning column, a positioning hole is arranged on the right end surface of the dehumidification box, a moisture absorption layer is arranged in the dehumidification box, and a wind volume adjusting mechanism is arranged in the air inlet.

[0008] The wind volume adjusting mechanism comprises a rotating shaft, a rack plate, an electric push rod and a protective cover, the rotating shaft is rotatably arranged in the air inlet, blades are arranged on the outer side of the rotating shaft, a rack wheel is fixedly arranged on the inner wall of the air inlet and penetrates the rear end of the rotating shaft, and the rack plate, the electric push rod and the protective cover are arranged on the rear side of the air inlet.

[0009] As a preferred scheme of the utility model, the positioning column is arranged at the left end corner of the air inlet, and the outer surface of the positioning column is in contact with the inner wall of the positioning hole.

[0010] As the preferred scheme of the utility model, the left end inner wall of the positioning hole extends to the left side surface of the dehumidification box, the fastening block eccentrically rotates with the left end of the positioning column through the shaft body, and the right side surface thereof is tightly attached to the left side of the dehumidification box.

[0011] As the preferred scheme of the utility model, the moisture absorption layer is made of silica gel material, and the vertical cross section shape thereof is a honeycomb structure.

[0012] As the preferred scheme of the utility model, the rotation shaft is equidistantly distributed about the inner wall of the air inlet in an up-down manner, and the blades are symmetrically distributed about the internal central axis of the rotation shaft in an up-down manner.

[0013] As the preferred scheme of the utility model, the rack gear wheel is connected with the rack plate in a tooth surface meshing manner.

[0014] As the preferred scheme of the utility model, the electric push rod is fixedly contacted with the rear side surface of the air inlet through the fixing block, the telescopic end of the electric push rod is fixed with the outer side surface of the rack plate through the connecting block, and the electric push rod and the rack plate are arranged in parallel.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. In the utility model, the straight expansion type dehumidification air conditioning unit is provided, so that the structural design in the air volume adjusting mechanism is utilized, the rack plate and the rack gear wheel are engaged and driven under the combination of the electric push rod and the rack plate, the directional rotation of the rotation shaft and the blades is realized, the flexible adjustment of the air inlet volume of the air conditioning unit is achieved, and the energy consumption during the operation of the air conditioning unit is effectively reduced.

[0017] 2. In the utility model, the straight expansion type dehumidification air conditioning unit is provided, so that the structural design of the positioning column, the positioning hole and the fastening block is utilized, the position of the dehumidification box is positioned under the combination of the positioning column and the positioning hole, the dehumidification box is fixed under the eccentric contact of the fastening block and the dehumidification box, the purpose of fixing the dehumidification box is achieved, and subsequent disassembly and maintenance are facilitated, the maintenance efficiency of the air conditioning unit is improved. DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the structure schematic view of the air inlet of the utility model;

[0020] Figure 3 It is the structure schematic view when the rack plate and the rack gear wheel of the utility model are engaged;

[0021] Figure 4 It is the structure schematic view when the rotation shaft and the blades of the utility model rotate;

[0022] Figure 5 It is the structural schematic view of the dehumidification box of the utility model.

[0023] In the figure: 1, unit body; 2, air outlet; 3, air inlet; 301, positioning column; 302, dehumidification box; 303, fastening block; 304, positioning hole; 305, moisture absorption layer; 4, air volume adjusting mechanism; 401, rotating shaft; 402, rack plate; 403, electric push rod; 404, protective cover; 405, blade; 406, rack wheel. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0025] In order to facilitate understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings, and several embodiments of the utility model are given. However, the utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model are only for the purpose of describing specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] Embodiment, please see Figures 1-5 The utility model provides a technical scheme:

[0029] The direct expansion dehumidification air conditioning unit includes a unit body 1, an air outlet 2 is arranged at the top of the outer side of the unit body 1, an air inlet 3 is installed at the left side of the unit body 1, positioning columns 301 and dehumidification boxes 302 are arranged at the left side of the air inlet 3 respectively, a fastening block 303 is arranged at the left end of the positioning column 301, positioning holes 304 are arranged on the right end side surface of the dehumidification box 302, a moisture absorption layer 305 is arranged in the dehumidification box 302, and a wind volume adjusting mechanism 4 is arranged in the air inlet 3.

[0030] Specifically, the positioning columns 301 are located at the left end corners of the air inlet 3 respectively, and the outer side surfaces thereof are in contact with the inner walls of the positioning holes 304, the left end inner walls of the positioning holes 304 extend to the left side surfaces of the dehumidification boxes 302, the fastening block 303 is eccentrically rotated with the left end of the positioning column 301 through a shaft body, and the right side surface thereof is tightly attached to the left side of the dehumidification box 302.

[0031] It should be noted that the vertical sectional dimension of the fastening block 303 is consistent with that of the positioning column 301.

[0032] In the embodiment, the positioning column 301 is arranged to be in contact with the positioning hole 304, so that the dehumidification box 302 is in contact with the air inlet 3, the positioning of the dehumidification box 302 is realized, the fastening block 303 is eccentrically rotated, and the frictional contact between the fastening block 303 and the dehumidification box 302 is formed, so that the dehumidification box 302 is conveniently disassembled and assembled, and the subsequent maintenance requirement is met.

[0033] Specifically, the moisture absorption layer 305 is made of silica gel material, and the vertical sectional shape thereof is a honeycomb structure.

[0034] In the embodiment, the moisture absorption layer 305 made of silica gel material has good moisture absorption performance and chemical stability. The honeycomb structure increases the surface area of the moisture absorption material and improves the contact efficiency with air, thereby enhancing the moisture absorption capacity.

[0035] In the embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the wind volume adjusting mechanism 4 includes a rotating shaft 401, a rack plate 402, an electric push rod 403 and a protective cover 404, the rotating shaft 401 is rotationally arranged in the air inlet 3, the outer side of the rotating shaft 401 is provided with a blade 405, the rear end of the rotating shaft 401 penetrates the inner wall of the air inlet 3 and is fixedly installed with a rack wheel 406, the rack plate 402, the electric push rod 403 and the protective cover 404 are all located at the rear side of the air inlet 3.

[0036] Specifically, the rotating shaft 401 is equidistantly distributed on the inner wall of the air inlet 3, the blades 405 are symmetrically distributed about the inner axis of the rotating shaft 401, the rack wheel 406 is connected with the tooth surface of the rack plate 402 in meshing, the electric push rod 403 is fixedly contacted with the rear surface of the air inlet 3 through the fixing block, the extension end of the electric push rod 403 is fixed with the outer surface of the rack plate 402 through the connecting block, and the electric push rod 403 is arranged in parallel with the rack plate 402.

[0037] In the embodiment, the electric push rod 403 drives the rack plate 402 to move vertically, the rack plate 402 is meshed with the rack wheel 406, the rack wheel 406 drives the rotating shaft 401 and the blades 405 to rotate, the position angle of the blades 405 is deflected, the air inlet amount is adjusted, and the operation requirement of the air conditioning unit is met.

[0038] The working process of the air conditioning unit is as follows: when the air conditioning unit is used, the dehumidification box 302 is moved, the dehumidification box 302 drives the positioning hole 304 to be contacted with the positioning column 301, the dehumidification box 302 is positioned on the left side of the air inlet 3, the fastening block 303 is eccentrically rotated, the fastening block 303 is frictionally contacted with the dehumidification box 302, the dehumidification box 302 is fixedly installed, the dehumidification box 302 is conveniently disassembled, the air in the air inlet 3 is dehumidified by the moisture absorption layer 305, the extension end of the electric push rod 403 drives the rack plate 402 to move under the starting of the electric push rod 403, the rack wheel 406 drives the rotating shaft 401 and the blades 405 to rotate under the meshing transmission of the rack plate 402 and the rack wheel 406, the air inlet amount is adjusted, and the flexibility of the air conditioning unit is improved.

[0039] Although the embodiments of the air conditioning unit have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the air conditioning unit, the scope of the air conditioning unit is defined by the appended claims and their equivalents.

Claims

1. A direct expansion dehumidification air conditioning unit, comprising a unit body (1), characterized in that: An air outlet (2) is provided on the top of the outer side of the unit body (1). An air inlet (3) is installed on the left side of the unit body (1). A positioning post (301) and a dehumidification box (302) are respectively provided on the left side of the air inlet (3). A fastening block (303) is provided at the left end of the positioning post (301). A positioning hole (304) is opened on the right side surface of the dehumidification box (302). A moisture-absorbing layer (305) is provided inside the dehumidification box (302). An air volume adjustment mechanism (4) is provided inside the air inlet (3). The air volume adjustment mechanism (4) includes a rotating shaft (401), a rack plate (402), an electric actuator (403), and a protective cover (404). The rotating shaft (401) is rotatably disposed inside the air inlet (3). A blade (405) is provided on the outer side of the rotating shaft (401). The rear end of the rotating shaft (401) passes through the inner wall of the air inlet (3) and is fixedly installed with a rack wheel (406). The rack plate (402), the electric actuator (403), and the protective cover (404) are all located on the rear side of the air inlet (3).

2. The direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The positioning pins (301) are located at the left end corner of the air inlet (3), and their outer surfaces are in contact with the inner wall of the positioning hole (304).

3. The direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The inner wall of the left end of the positioning hole (304) extends to the left side surface of the dehumidification box (302). The fastening block (303) rotates eccentrically with the left end of the positioning column (301) via a shaft, and its right side surface is in close contact with the left side of the dehumidification box (302).

4. The direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The moisture-absorbing layer (305) is made of silicone material and has a honeycomb structure in its vertical cross-section.

5. The direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The rotating shaft (401) is distributed at equal intervals above and below the inner wall of the air inlet (3), and the blades (405) are distributed symmetrically above and below the inner central axis of the rotating shaft (401).

6. The direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The rack wheel (406) is engaged with the tooth surface of the rack plate (402).

7. A direct expansion dehumidification air conditioning unit according to claim 1, characterized in that: The electric actuator (403) is fixedly contacted with the rear surface of the air inlet (3) by a fixing block. The telescopic end of the electric actuator (403) is fixed with the outer surface of the rack plate (402) by a connecting block. The electric actuator (403) and the rack plate (402) are arranged in parallel.

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