Outdoor unit and air conditioner

Abstract

The outdoor unit comprises an outdoor heat exchanger, an outdoor fan and an atomization device, the atomization device comprises a water receiving box and at least one water fetching disc installed in the water receiving box through a transmission shaft, a plurality of convex teeth distributed along the circumference are arranged on the edge of the water fetching disc, concave parts are arranged on the same sides of all the convex teeth, and the convex teeth are arranged in the concave parts. And a transmission device for transmitting power is arranged between the outdoor fan and the transmission shaft. Based on the mechanical transmission principle, the water receiving box and the water fetching disc are designed, the outdoor fan is used for providing power to drive the water fetching disc to rotate so as to atomize condensate water, the atomized water is discharged into the outdoor environment along with airflow generated by rotation of the outdoor fan, direct discharge of the condensate water can be avoided, and the environment is protected. No extra power component is needed, and the effects of simple structure and stable work are achieved.

Description

Technical Field

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

[0002] In modern buildings, air conditioning systems are key components for regulating indoor temperature and humidity, and their operational efficiency and environmental performance are attracting increasing attention. During the cooling process, water vapor in the air condenses on the cooling coils, producing a large amount of condensed water. Some air conditioners use a direct discharge method, draining this condensed water directly outdoors through a drainpipe. This practice often causes inconvenience to residents downstairs or pedestrians. Other air conditioners connect the drainpipe to the rainwater pipe, but rainwater pipes often contain various impurities and microorganisms. Long-term discharge of condensed water can deteriorate the pipe environment and emit unpleasant odors. This odor can then seep back into the room through the air inlet or drainpipe of the air conditioner system, affecting indoor air quality and posing a potential threat to occupants' health.

[0003] Innovative solutions that can effectively handle condensed water have emerged in the prior art. For example, the invention patent with announcement number CN108375185B proposes an atomizing drainage air conditioner, which uses an atomizing device to atomize the condensed water and then discharge it outdoors. This method reduces the impact of direct discharge of condensed water on the environment and people to a certain extent, and also helps to reduce the pollution of condensed water to rainwater pipes. However, the atomizing device has extremely high requirements for water quality. Tiny impurities and dust in the air and minerals in the water can easily clog the nozzle of the atomizing device, resulting in poor atomization effect and even causing air conditioner failure. In addition, existing atomizing devices usually require additional power components to drive them, which not only increases the complexity of the air conditioner, but also increases manufacturing costs and maintenance difficulties.

[0004] Therefore, how to design an outdoor unit and air conditioner with a simple structure and stable operation based on the effective treatment of condensed water is a technical problem that needs to be solved urgently in the industry. Utility Model Content

[0005] In order to solve the above-mentioned defects in the prior art, the present invention proposes an outdoor unit and an air conditioner. The outdoor unit uses an outdoor fan to provide power to drive the water-spraying plate to rotate and atomize the condensed water. No additional power components are required, thereby solving the problem of condensed water discharge and reducing the complexity, manufacturing cost and maintenance difficulty of the air conditioner.

[0006] The technical solution adopted by the present invention is to design an outdoor unit, including: an outdoor heat exchanger, an outdoor fan and an atomizing device, the atomizing device includes a water receiving box and at least one water-spraying pan installed in the water receiving box through a transmission shaft, and a transmission device for transmitting power is provided between the outdoor fan and the transmission shaft.

[0007] Furthermore, the atomizing device is installed on the air outlet side of the outdoor heat exchanger.

[0008] Furthermore, the edge of the water-spreading tray is provided with a plurality of protruding teeth distributed along the circumference, and a recessed portion is provided on the same side of all the protruding teeth.

[0009] In some embodiments, the recessed portion is trapezoidal, and the angle between the trapezoidal hypotenuse and the bottom side of the recessed portion is in the range of 130° to 160°.

[0010] Furthermore, the water receiving box is provided with a box cover, and at least one side of the box cover is provided with a plurality of water retaining holes.

[0011] In some embodiments, the diameter of the water retaining hole ranges from 0.5 mm to 3 mm.

[0012] Furthermore, a water inlet pipe for introducing condensed water is provided on one side of the box cover.

[0013] Furthermore, a downwardly concave water collecting trough is provided on the inner bottom surface of the water receiving box, the water tray is located directly above the water collecting trough, and the bottom of the water tray is located in the water collecting trough.

[0014] In some embodiments, the transmission device includes a transmission belt, a driving pulley, and a driven pulley. The driving pulley is installed on the output shaft of the motor, and the driven pulley is installed on the transmission shaft. One end of the transmission belt is sleeved on the driving pulley and the other end is sleeved on the driven pulley.

[0015] The utility model also provides an air conditioner, comprising the outdoor unit.

[0016] Compared with the existing technology, the utility model is based on the principle of mechanical transmission, designs a water receiving box and a water tray, uses the outdoor fan to provide power, drives the water tray to rotate and atomizes the condensed water, and the atomized water is discharged into the outdoor environment along with the airflow generated by the rotation of the outdoor fan. It can avoid the direct discharge of condensed water and does not require additional power components, thereby achieving the effect of simple structure and stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be described in detail below with reference to the embodiments and accompanying drawings, wherein:

[0018] Figure 1 This is a schematic diagram of the internal structure of the outdoor unit;

[0019] Figure 2 It is a partial enlarged schematic diagram of the outdoor unit;

[0020] Figure 3 It is a structural schematic diagram of the atomization device;

[0021] Figure 4 It is a structural diagram of the water pan;

[0022] Figure 5 It is a partial enlarged schematic diagram of the water tray;

[0023] Figure 6 It is a structural diagram of the box cover and the water inlet pipe;

[0024] Figure 7 It is a structural diagram of the box cover;

[0025] Figure 8 It is a side view of the water collection box;

[0026] Figure 9 This is a schematic diagram of the interior of the water collection box;

[0027] Description of the drawings: 1. Outdoor heat exchanger; 2. Fan blades; 3. Motor; 4. Atomizing device; 41. Water collecting box; 411. Water collecting trough; 42. Water-spouting tray; 421. Protruding teeth; 4211. Recessed portion; 43. Drive shaft; 44. Box cover; 441. Water retaining hole; 442. Water inlet hole; 45. Water inlet pipe; 5. Bracket; 6. Casing; 7. Drive belt. DETAILED DESCRIPTION

[0028] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] like Figure 1 、 2 As shown, the utility model proposes an outdoor unit, which includes: an outdoor heat exchanger 1, an outdoor fan and an atomizing device 4.

[0030] The outdoor heat exchanger 1 is used in conjunction with the outdoor fan, which consists of blades 2 and a motor 3. The motor 3 is mounted on a bracket 5, which is then secured to the outdoor unit's casing 6. When the air conditioner is running, the outdoor fan begins to rotate, and the motor 3 drives the blades 2 to generate airflow. This airflow passes through the outdoor heat exchanger 1 to exchange heat with the refrigerant. In cooling mode, for example, the outdoor unit's compressor compresses the refrigerant into a high-temperature, high-pressure gas, which is then released through the outdoor heat exchanger 1. The airflow generated by the outdoor fan accelerates the dissipation of heat from the outdoor heat exchanger 1, ensuring efficient condensation of the refrigerant.

[0031] like Figure 3As shown, the atomizing device 4 includes a water receiving box 41 and at least one water-spraying tray 42. The water-spraying tray 42 is installed in the water receiving box 41 through a transmission shaft 43. A transmission device for transmitting power is provided between the outdoor fan and the transmission shaft 43. When the outdoor fan rotates, the transmission shaft 43 is driven to rotate. When the water-spraying tray 42 rotates at a high speed, the water in the water receiving box 41 is driven by the rotating disk surface and is subjected to the centrifugal force along the direction of the rotation radius, thereby being thrown out of the disk surface. The high-speed water flow encounters the surrounding air and is torn into tiny water droplets. These water droplets are suspended and dispersed in the air, forming a visible mist effect. The water mist is discharged into the outdoor environment along with the airflow generated by the rotation of the outdoor fan.

[0032] The utility model is based on the principle of mechanical transmission, and designs a water receiving box 41 and a water pan 42. The outdoor fan is used to provide power to drive the water pan 42 to rotate and atomize the condensed water. The atomized water is discharged into the outdoor environment along with the airflow generated by the rotation of the outdoor fan. This can avoid the direct discharge of condensed water and does not require additional power components, thereby achieving the effect of simple structure and stable operation.

[0033] like Figure 1 、 2 As shown, the atomizing device 4 is preferably installed on the air outlet side of the outdoor heat exchanger 1. Since the rotation of the fan blades 2 will generate a negative pressure difference when the outdoor fan is working, the outdoor air will be sucked into the outdoor unit and pass through the outdoor heat exchanger 1. The air absorbs the heat of the outdoor heat exchanger 1 and becomes a high-temperature airflow. The water mist generated by the atomizing device 4 is mixed with the high-temperature airflow. The water mist absorbs the heat of the high-temperature airflow and evaporates and vaporizes, and is discharged into the outdoor environment along with the hot air.

[0034] like Figure 4 、 5 As shown, to optimize the atomization effect, a preferred solution is to provide the edge of the water-spouting tray 42 with multiple protruding teeth 421, evenly distributed along the circumference of the water-spouting tray 42. These teeth 421 increase the contact area and impact force with the water. When the water-spouting tray 42 rotates at high speed, the protruding teeth 421 continuously contact and impact the water, effectively breaking the water into smaller droplets. Furthermore, the rotation of the protruding teeth 421 also drives the surrounding air flow, creating a certain airflow field, which also helps to atomize the water into finer particles and accelerate the atomization process.

[0035] In addition to the protruding teeth 421 on the water-spouting tray 42, all protruding teeth 421 are also provided with recessed portions 4211 on the same side. These recessed portions 4211 increase the contact area between the protruding teeth 421 and the water, helping the protruding teeth 421 to more effectively capture and release water during rotation. When the protruding teeth 421 come into contact with water, the recessed portions 4211 act as a temporary water storage space. As the protruding teeth 421 rotate, the water in the recessed portions 4211 is then released more vigorously, forming a finer mist.

[0036] like Figure 5 As shown, in some preferred embodiments of the present invention, the recess 4211 is trapezoidal. The trapezoidal recess design, especially when the angle between the hypotenuse and the base is in the range of 130° to 160°, can more effectively capture water that enters between the protruding teeth 421. This angle range allows the recess 4211 to form a relatively spacious "pocket" during rotation, allowing water to be more easily guided into the recess 4211. When the water tray 42 continues to rotate and water is thrown out of the recess 4211, the trapezoidal hypotenuse design can guide the water to flow out along a smoother path, reducing the resistance of the water during the throwing process, allowing the water to be thrown out more smoothly and more strongly, forming finer droplets, thereby improving the atomization effect.

[0037] It should be understood that the angle between the trapezoidal hypotenuse and the base can be selected according to specific needs. In some application examples of the present invention, an angle of 154° achieves the best atomization effect. Of course, the shape of the recessed portion 4211 can also be designed as a semicircular, sawtooth, etc., which can also improve the atomization effect, but it is weaker than the trapezoidal shape.

[0038] like Figure 3 As shown, in some embodiments of the present invention, the water receiving box 41 is provided with a cover 44. At least one side of the cover 44 is provided with a plurality of water retaining holes 441. The function of the water retaining holes 441 is to prevent water droplets from the water pan 42 from being too large and being unable to be blown out with the airflow generated by the outdoor fan, causing the water droplets to fall onto the bottom pan. The diameter of the water retaining holes 441 ranges from 0.5 mm to 3 mm, which allows water mist to escape but blocks larger water droplets, thus effectively retaining water.

[0039] like Figure 6 、 7 As shown, based on the design of the box cover 44, a water inlet pipe 45 for introducing condensed water is provided on one side of the box cover 44, and a water inlet hole 442 for installing the water inlet pipe 45 is provided on the side of the box cover 44. Condensed water flows in from the top of the water receiving box 41, and the water receiving box 41 body does not need to be provided with installation holes and other structures, which helps to enhance the sealing of the water receiving box 41 and prevent condensed water from leaking into the external environment.

[0040] It should be understood that the diameter of the water retaining hole 441 can be selected according to specific needs. In some application examples of the present invention, a water retaining hole with a diameter of 1 mm is the best. In addition, no water retaining hole is designed on the side where the water inlet pipe 45 is located to prevent condensed water flowing out of the water inlet pipe 45 from leaking out of the water retaining hole.

[0041] like Figure 8 、 9As shown, in some embodiments of the present invention, the inner bottom surface of the water receiving box 41 is provided with a downwardly recessed water collection groove 411, and the water drawing tray 42 is located directly above the water collection groove 411. The bottom of the water drawing tray 42 is in the water collection groove 411. Since the water collection groove 411 is lower than the inner bottom surface of the water receiving box 41, water can quickly flow into the bottom of the water receiving box 41, and the water drawing tray 42 can quickly draw water.

[0042] To improve water pumping efficiency, in the preferred embodiment, atomizing device 4 is designed with a dual-drip structure, namely, two drip trays 42 are mounted on the drive shaft 43. In practice, as the cooling capacity of the air conditioner increases, the amount of condensed water generated during operation also increases. A design with three or more drip trays 42 can also improve atomization efficiency.

[0043] like Figure 1 、 2 As shown, in some embodiments, the transmission device includes a transmission belt 7, a driving pulley, and a driven pulley. The driving pulley is mounted on the output shaft of the motor 3, and the driven pulley is mounted on the transmission shaft 43. One end of the transmission belt 7 is sleeved on the driving pulley, and the other end is sleeved on the driven pulley. The transmission belt 7 transmits power from the driving pulley to the driven pulley, achieving continuous and smooth power transmission. This transmission method can effectively reduce power loss during the transmission process and improve the efficiency of the entire transmission system.

[0044] like Figure 1 、 2 As shown, the utility model also proposes an air conditioner, including the above-mentioned outdoor unit. During the operation of the air conditioner, the cooling of the indoor unit will produce a large amount of condensed water, which can be sent to the atomizing device of the outdoor unit through a drain pipe. The atomizing device atomizes the condensed water and then discharges it outdoors.

[0045] Based on the principles of mechanical transmission, a transmission device is designed between the drive shaft of the water-spraying pan and the outdoor fan. The outdoor fan is used to drive the water-spraying pan 42 to rotate and atomize the condensed water. There is no need to add a separate driving component. Finally, the negative pressure difference caused by the rotation of the fan blade 2 is used to discharge the atomized water into the air outside the outdoor unit, effectively solving the problem of condensed water drainage in the indoor unit and reducing the complexity, manufacturing cost and maintenance difficulty of the air conditioner.

[0046] It should be noted that the terms used above are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present invention. When the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof. The order of execution of actions, steps, etc. in the devices and methods shown in the specification and the drawings can be implemented in any order as long as there is no special explicit limitation on the order and as long as the output of the previous processing is not used in the subsequent processing. Similar sequential terms used for the convenience of description do not mean that they must be implemented in such an order.

[0047] Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0048] The above description is only a preferred embodiment of the present invention and is 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 present invention.

Claims

1. Outdoor unit, including: An outdoor heat exchanger, an outdoor fan and an atomizing device, wherein the atomizing device comprises a water receiving box and at least one water-spraying pan installed in the water receiving box via a transmission shaft; characterized in that a transmission device for transmitting power is provided between the outdoor fan and the transmission shaft.

2. The outdoor unit according to claim 1, wherein: The atomizing device is installed on the air outlet side of the outdoor heat exchanger.

3. The outdoor unit according to claim 1, wherein: The edge of the water-spreading tray is provided with a plurality of convex teeth distributed along the circumference, and a recessed portion is provided on the same side of all the convex teeth.

4. The outdoor unit according to claim 3, characterized in that: The recessed portion is trapezoidal in shape, and the angle between the trapezoidal hypotenuse and the bottom side of the recessed portion is in the range of 130° to 160°.

5. The outdoor unit according to claim 1, wherein: The water receiving box is provided with a box cover, and at least one side of the box cover is provided with a plurality of water retaining holes.

6. The outdoor unit according to claim 5, characterized in that The diameter of the water retaining hole ranges from 0.5 mm to 3 mm.

7. The outdoor unit according to claim 5, wherein: A water inlet pipe for introducing condensed water is provided on one side of the box cover.

8. The outdoor unit according to claim 1, wherein: The inner bottom surface of the water receiving box is provided with a downwardly concave water collecting groove, the water drawing tray is located directly above the water collecting groove, and the bottom of the water drawing tray is located in the water collecting groove.

9. The outdoor unit according to any one of claims 1 to 8, characterized in that: The transmission device includes a transmission belt, a driving pulley, and a driven pulley. The driving pulley is installed on the rotating shaft of the outdoor fan, and the driven pulley is installed on the transmission shaft. One end of the transmission belt is sleeved on the driving pulley, and the other end is sleeved on the driven pulley.

10. An air conditioner, characterized in that include: The outdoor unit according to any one of claims 1 to 9.

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