CN217057760U - Outdoor machine of air conditioner - Google Patents

Abstract

The utility model provides an air conditioner outdoor unit, which comprises a casing, wherein the casing limits a holding cavity; the baffle separates the holding chamber for the first chamber that is equipped with the fan and the second chamber that is equipped with throttling arrangement, be equipped with the vent of first chamber of intercommunication and second chamber on the baffle, vent department is located to the denso box, denso box transverse connection is on the baffle, the denso box includes the heating panel, clamp plate and cooling tube, the cooling tube is installed between clamp plate and heating panel, the denso box still includes the water collector, the water collector is located between the heating part of heating panel and denso box, the water collector is formed with the protrusion face towards the heating panel, the protrusion face is connected with the downside of heating panel. The utility model discloses an air condensing units utilizes the water collector to collect the condensation, can avoid the condensation drippage on the electrical packaging box, guarantees electrical packaging box safe operation, increases heat exchange efficiency simultaneously.

Description

Outdoor machine of air conditioner

Technical Field

The utility model belongs to the technical field of air condensing units, especially, relate to an air condensing unit.

Background

With the popularization of air conditioners, the upper limit of the use temperature requirement of the air conditioner is higher and higher. In the case of cooling in a high temperature environment, the outdoor unit of the air conditioner is exposed to an outdoor high temperature environment. And in the working process, the outdoor unit of the air conditioner exchanges heat with the outside air to release heat. However, at a higher ambient temperature, the air temperature after heat exchange by the heat exchanger is higher, and heat generated in the operation process of the electrical components in the electronic control box in the air conditioner outdoor unit is less prone to heat dissipation, so that the electrical components in the electronic control box are always in a high-temperature state and are aged and damaged, and the use reliability of the air conditioner outdoor unit is reduced.

In view of this, the utility model discloses.

SUMMERY OF THE UTILITY MODEL

The utility model provides an to foretell technical problem, provide an air condensing units.

In order to achieve the above object, the utility model discloses a technical scheme be:

an outdoor unit of an air conditioner, comprising:

a housing defining an accommodating chamber;

the baffle plate divides the accommodating cavity into a first cavity provided with the fan and a second cavity provided with the throttling device, and a ventilation opening for communicating the first cavity with the second cavity is formed in the baffle plate;

the electric fitting box is arranged at the vent and is transversely connected to the partition plate; the electric fitting box comprises a heat dissipation plate, a pressing plate and a heat dissipation pipe, wherein the heat dissipation pipe is arranged between the pressing plate and the heat dissipation plate;

the electric box also comprises a water receiving disc, the water receiving disc is arranged between the heating parts of the heating plate and the electric box, a protruding surface facing the heating plate is formed on the water receiving disc, and the protruding surface is connected with the lower side surface of the heating plate.

In some embodiments of this application, the downside laminating of water collector is on the part that generates heat to the rivers in the water collector cool down the part that generates heat.

In some embodiments of the application, in the bottom surface projection of the electrical fitting box, the projection of the pressing plate, the projection of the heat dissipation plate and the projection of the heat dissipation pipe are all located in the projection of the water receiving tray and located in the middle of the projection of the water receiving tray.

In some embodiments of the present application, the lower side of the heat dissipation plate is a plane, the protruding surface is a plane, and the contact surface between the lower side of the heat dissipation plate and the protruding surface is a plane.

In some embodiments of this application, the water collector still includes the bulge, and the bulge is the cuboid and locates the intermediate position of water collector including the protruding face that is located the upside, bulge.

In some embodiments of the present application, the drip pan further includes a side wall and an inclined bottom surface, a gap is provided between the inclined bottom surface and the lower side surface of the heat dissipation plate, and dew condensed on the heat dissipation plate flows into the drip pan from the gap.

In some embodiments of the present application, the inclined bottom surface is provided with a drainage hole, and the drainage hole is located at a corner of two adjacent side walls.

In some embodiments of the present application, the left side of the inclined bottom surface is provided with a drainage hole, the right side of the inclined bottom surface has a higher height than the left side, and the inclined bottom surface is inclined from the right side to the left side.

In some embodiments of the present application, the side wall, the sloped bottom surface, and the protrusion collectively define a water exit channel.

In some embodiments of the present application, the water-receiving tray is made of aluminum.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model provides an air conditioner outdoor unit, which comprises a casing, wherein the casing defines an accommodating cavity; the baffle separates the holding chamber for the first chamber that is equipped with the fan and the second chamber that is equipped with throttling arrangement, be equipped with the vent of intercommunication first chamber and second chamber on the baffle, vent department is located to the denso box, denso box transverse connection is on the baffle, the denso box includes the heating panel, clamp plate and cooling tube, the cooling tube is installed between clamp plate and heating panel, the denso box still includes the water collector, the water collector is located between the heating part of heating panel and denso box, the water collector is formed with the protrusion face towards the heating panel, the protrusion face is connected with the downside of heating panel. The utility model discloses an air condensing units utilizes the water collector to collect the condensation, can avoid the condensation drippage on the electricity dress box, guarantees electricity dress box safe operation, increases heat exchange efficiency simultaneously.

Drawings

Fig. 1 is a schematic partial structural view of an outdoor unit of an air conditioner according to a first embodiment of the present invention;

fig. 2 is a partial structure exploded view of an outdoor unit of an air conditioner according to a first embodiment of the present invention;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

fig. 7 is a schematic partial structural view of an outdoor unit of an air conditioner according to a second embodiment of the present invention;

fig. 8 is a partially exploded view of an outdoor unit of an air conditioner according to a second embodiment of the present invention;

FIG. 9 is a top view of FIG. 7;

fig. 10 is a schematic view of a water pan according to a second embodiment of the outdoor unit of an air conditioner of the present invention;

FIG. 11 is a top view of FIG. 10;

FIG. 12 is a bottom view of FIG. 10;

FIG. 13 is a cross-sectional view taken along line C-C of FIG. 12;

in the above figures: 100. an air conditioner outdoor unit; 10. a housing; 20. an accommodating cavity; 21. a first chamber; 22. A second chamber; 30. a partition plate; 31. a vent; 40. a front panel; 41. an air outlet; 50. electrically packaging the box; 51. A heating element; 52. a PCB board; 53. an element holder; 60. a heat sink; 61. a heat dissipating block; 611. a square groove; 6111. a first opening; 6112. a second opening; 6113. a spacer block; 6114. an inflow channel; 6115. An outflow channel; 6116. a first void; 6117. a threaded hole; 612. a first side wall; 613. a second side wall; 62. a first pipe; 63. a second pipe; 64. a first tube section; 65. a second tube section; 66. a third tube section; 67. a heat dissipation plate; 671. a groove; 68. pressing a plate; 681. a fixing groove; 7. a water pan; 71. A projection; 72. a side wall; 73. an inclined bottom surface; 74. a second void; 75. a drain hole; 76. a drain pipe; 8. a fan; 9. a compressor.

Detailed Description

The present invention is further described below in conjunction with specific embodiments so that those skilled in the art may better understand the present invention and can implement the present invention, but the scope of the present invention is not limited to the scope described in the detailed description. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example one

Referring to fig. 1 to 6, the present embodiment provides an outdoor unit 100, the outdoor unit 100 includes a casing 10, the casing 10 defines a receiving cavity 20 for enclosing a body of the outdoor unit 100 and protecting internal devices thereof, and the casing 10 includes a front panel 40 having an air outlet 41. The outdoor unit 100 further includes a partition 30 dividing the receiving chamber 20 into a first chamber 21 where the blower fan 8 is installed and a second chamber 22 where the throttling means is installed. The first cavity 21 is communicated with an air outlet 41 arranged on the front panel 40, the fan 8 is installed in the first cavity 21, and the compressor 9 is installed in the second cavity 22.

The partition plate 30 is provided with a vent 31 communicating the first chamber 21 and the second chamber 22. The electrical box 50 is arranged at the air vent 31, and the air flow at the air vent 31 can cool the electrical box 50.

The heat radiator 60 is arranged in the electrical box 50, the heat radiator 60 comprises a heat radiation block 61 and a heat radiation pipe, a square groove 611 is arranged in the heat radiation block 61, and a first opening 6111 and a second opening 6112 are arranged at one end of the square groove 611.

The radiating pipe includes a first pipe 62 and a second pipe 63. One end of the first pipe 62 is connected to the throttling device, and the other end is connected to the first opening 6111. One end of the second pipe 63 is connected to the low pressure pipe of the outdoor unit 100, and the other end is connected to the second opening 6112.

The refrigerant flows from the first pipe 62 into the square groove 611 through the first opening 6111, absorbs heat of the electric box 50 in the square groove 611, and flows into the second pipe 63 through the second opening 6112. The heat dissipation area of the square groove 611 is large, and the refrigerant can perform rapid heat exchange with the electrical box 50 when flowing in the square groove 611, so that the heat exchange efficiency is improved, the electrical box 50 is prevented from being damaged due to high-temperature operation, and the outdoor unit 100 of the air conditioner can stably operate.

The heat dissipation pipe is communicated with a refrigerant pipeline of the outdoor unit 100, so that the refrigerant of the outdoor unit 100 flows through the heat dissipation pipe; specifically, one end of the first pipe 62 is connected to a throttling device of the outdoor unit 100, and one end of the second pipe 63 is connected to a low-pressure air pipe of the outdoor unit 100; the coolant absorbs heat when flowing through the heat dissipating tube and the heat dissipating block 61, and dissipates heat from the electronic box 50. On the other hand, the heat sink 60 is located inside the electrical box 50, and absorbs heat released from the electrical box 50 when the cooling medium flows through the heat pipe, so as to dissipate heat from the electrical box 50. On the other hand, when the blower 8 is operated, a negative pressure is formed in the first chamber 21, the air in the second chamber 22 flows through the heat sink 60, the air absorbs heat from the heat sink and the refrigerant in the heat sink 61 to form a low-temperature air flow, the low-temperature air flow flows through the electric box 50 and carries the heat released by the electric box 50, then the low-temperature air flow enters the first chamber 21 through the ventilation opening 31, and finally the low-temperature air flow is exhausted out of the casing 10 by the blower 8. The arrangement fully utilizes the refrigerant characteristic to dissipate heat and cool the electrical box 50, and takes away heat released by the power heating element 51 (power element) in the electrical box 50 during working in time, thereby ensuring the service life of the heating element 51.

As an implementation manner, a partition block 6113 is arranged in the square groove 611, the partition block 6113 divides the square groove 611 into an inflow channel 6114 and an outflow channel 6115, and a refrigerant firstly flows into the inflow channel 6114 and then flows into the outflow channel 6115, so that the flow of the refrigerant is orderly performed, the flow resistance is reduced, the refrigerant can form a circular flow, and the temperature of the electric fitting box 50 is continuously reduced.

As an implementation manner, one end of the inflow channel 6114 is provided with a first opening 6111, the first pipe 62 extends into the first opening 6111, and the refrigerant in the first pipe 62 enters the inflow channel 6114 from the first opening 6111.

As an implementation manner, one end of the outflow passage 6115 is provided with a second opening 6112, the second pipe 63 extends into the second opening 6112, and the refrigerant flowing out of the outflow passage 6115 enters the second pipe 63 through the second opening 6112.

As an implementation manner, the inflow channel 6114 and the outflow channel 6115 are square, the inflow channel 6114 and the outflow channel 6115 are arranged in parallel, the inflow channel 6114 is communicated with the outflow channel 6115, so that the refrigerant circularly flows in the square groove 611, and the inflow channel 6114 and the outflow channel 6115 are arranged in parallel, so that the cold energy of the refrigerant is uniformly transmitted into the electrical box 50, and the electrical box 50 is cooled.

As an implementation manner, the heat dissipation block 61 includes a first sidewall 72612 and a second sidewall 72613 disposed opposite to the first sidewall 72612, the first sidewall 72612 is provided with a first opening 6111 and a second opening 6112, one end of the partition block 6113 is connected to the first sidewall 72612, a first gap 6116 is disposed between the other end of the partition block and the second sidewall 72613, the first gap 6116 is located between the inflow channel 6114 and the outflow channel 6115, and the refrigerant sequentially flows through the inflow channel 6114, the first gap 6116 and the outflow channel 6115.

As one practical aspect, the electrical component box 50 is provided with the heating element 51 therein, and the heat dissipating block 61 is connected to the heating element 51, so that the heat dissipating block 61 can quickly absorb the heat of the heating element 51.

As an implementation manner, the heat dissipation block 61 is provided with a screw hole 6117 penetrating through the block 6113, and the heat dissipation block 61 is inserted into the screw hole 6117 by a screw to be connected to the heating element 51, so that the heat dissipation block 61 can be firmly connected to the heating element 51, and the heat dissipation block 61 can continuously absorb the heat of the heating element 51.

As an implementation manner, the number of the threaded holes 6117 is 4, and four threaded holes 6117 are arranged in an uneven manner, so that the heat dissipation block 61 can be firmly fixed on the heating element 51.

As an implementation manner, the partition block 6113 is disposed between the first opening 6111 and the second opening 6112, and the partition block 6113 is located between the inflow passage 6114 and the outflow passage 6115, so that the first opening 6111 is communicated with the inflow passage 6114, and the second opening 6112 is communicated with the outflow passage 6115.

In this embodiment, the outdoor unit 100 of the air conditioner includes a casing 10 defining an accommodating chamber 20, and an electrical component box 50 disposed in the accommodating chamber 20; the electrical box 50 includes a heat sink 60, the heat sink 60 includes a heat dissipating block 61 and a heat dissipating pipe, a square groove 611 is provided in the heat dissipating block 61, and a first opening 6111 and a second opening 6112 are provided at one end of the square groove 611.

The radiating pipe includes a first pipe 62 and a second pipe 63. One end of the first pipe 62 is connected to the throttling device, and the other end is connected to the first opening 6111. One end of the second pipe 63 is connected to the low pressure pipe of the outdoor unit 100, and the other end is connected to the second opening 6112. The first opening 6111 is sized to fit the first conduit 62 and the second opening 6112 is sized to fit the second conduit 63. The refrigerant flows into the square groove 611 from the first pipe 62 through the first opening 6111, absorbs the heat of the electric box 50 in the square groove 611, and flows into the second pipe 63 through the second opening 6112, so that the heat released by the heating element 51 is transferred to the heat sink 60. In the air-conditioning outdoor unit 100 of the embodiment, the refrigerant is used to absorb the heat released by the electrical box 50, and the heating element 51 of the electrical box 50 is controlled within a reasonable temperature range, so that high-temperature aging can be avoided, the use reliability is further improved, and the operation reliability of the air-conditioning outdoor unit 100 is improved; and facilitates the installation and fixation of the electrical box 50.

Example two

Referring to fig. 7 to 13, the present embodiment provides an outdoor unit 100 of an air conditioner, including a casing 10, the casing 10 defining a receiving chamber 20 for enclosing a body of the outdoor unit 100 and protecting internal devices thereof, the casing 10 including a front panel 40 having an outlet 41.

The partition board 30 divides the accommodating cavity 20 into a first cavity 21 provided with the fan 8 and a second cavity 22 provided with the throttling device, wherein the first cavity 21 is communicated with the air outlet 41 arranged on the front panel 40, the fan 8 is arranged in the first cavity 21, and the compressor 9 and the electrical box 50 are arranged in the second cavity 22. The partition plate 30 is provided with a vent 31 communicating the first chamber 21 and the second chamber 22.

The outdoor unit 100 further includes an electrical box 50, and the electrical box 50 is disposed at the vent 31, so that the airflow having high fluidity at the vent 31 cools the electrical box 50. The electric box 50 is transversely connected to the partition 30, and the electric box 50 includes a PCB board 52, and the PCB board 52 extends in the left and right directions.

The power pack 50 includes heating panel 67, clamp plate 68 and cooling tube, and the cooling tube is installed between clamp plate 68 and heating panel 67, and the refrigerant flows at the cooling tube, and clamp plate 68 and heating panel 67 all contact with the cooling tube, make the temperature reduction of heating panel 67 and cooling tube to the transmission is cold to give power pack 50.

The electrical box 50 further comprises a water receiving tray 7, the water receiving tray 7 is arranged between the heat dissipation plate 67 and a heating component of the electrical box 50, and condensation formed on the surface of the heat sink 60 flows into the water receiving tray 7, so that the condensation is prevented from flowing into the electrical box 50 to cause danger. The water pan 7 is formed with a convex surface facing the heat dissipation plate 67, and the convex surface is connected with the lower side surface of the heat dissipation plate 67, so that the heat dissipation plate 67 can transmit cold to the convex surface, and the water pan 7 is at a lower temperature.

The electrical box 50 includes a PCB 52, a heat dissipating plate 67, a pressing plate 68, and a heat dissipating pipe disposed between the heat dissipating plate 67 and the pressing plate 68. The electric box 50 includes a radiator 60, and the radiator 60 includes a radiating plate 67, a pressing plate 68, and a radiating pipe.

The heating element 51 is arranged on the PCB 52, the water receiving tray 7 is arranged between the heating element 51 and the heat dissipation plate 67, and because the surface temperature of the radiator 60 is low, water vapor in the air is easy to form condensation at the surface, and the condensation flows into the water receiving tray 7 from the surface of the radiator 60, so that the danger to the operation of the electric box 50 is avoided.

One end of the heat dissipation tube is connected to the throttling device of the outdoor unit 100, and the other end is connected to the low pressure air tube of the outdoor unit 100, so that the refrigerant absorbs heat when flowing through the heat dissipation tube, and absorbs heat released from the electrical box 50, thereby dissipating heat from the electrical box 50. The cooling medium flows in the heat dissipation pipe, and can transfer the cooling capacity to the pressing plate 68 and the heat dissipation plate 67, so that a cold air flow is formed around the heat dissipation device 60, the cold air flow can play a role of cooling the electrical box 50, and the cold air flow after absorbing the heat flows from the second cavity 22 to the air outlet 41 of the first cavity 21.

In this embodiment, the water pan 7 can cool the heating element 51, on one hand, the water pan 7 is tightly attached to the heating element 51, condensation in the water pan 7 can cool the heating element 51, so that the heat exchange efficiency is improved, on the other hand, the protruding surface of the water pan 7 is attached to the heat dissipation plate 67, and the cold energy of the heat dissipation plate 67 is transmitted to the heating element 51 through the water pan 7, so that the heating element 51 is cooled.

In this embodiment, the heat dissipating plate 67 is provided with a groove 671, and the pressing plate 68 and the groove 671 together define a pipe channel in which the heat dissipating pipe is installed. As an embodiment, the pressure plate 68 has a flat plate shape; the section of the pipe in which the heat pipe is installed in the groove 671 coincides with the cross section of the groove 671. As another implementation manner, the pressing plate 68 is formed with a fixing groove 681, and the fixing groove 681 cooperates with the groove 671 to define a pipeline channel; the shape of the radiating pipe is consistent with that of the pipeline channel. A component holder 53 is fixed to the PCB 52, and the heating element 51 is mounted on the component holder 53.

As an optional manner, two grooves 671 are provided on the heat dissipation plate 67. The radiating pipe comprises a first pipe section 64, a second pipe section 65 and a third pipe section 66 which are connected in sequence; wherein the first pipe section 64 and the third pipe section 66 are located on the same side of the second pipe section 65; the second tube section 65 is mounted in one of the grooves 671 and the third tube section 66 is mounted in the other groove 671. Two grooves 671 may be provided in parallel and extend through opposite ends of the heat sink plate 67. The grooves 671 increase the length of the heat dissipation tube and the contact area between the heat dissipation tube and the heat dissipation plate 67, thereby improving the heat dissipation efficiency.

In this embodiment, the cross section of the groove 671 is arcuate, and the arcuate arc is a major arc, so as to increase the contact area between the groove 671 and the heat dissipation tube, improve the heat dissipation efficiency, and increase the connection firmness between the groove 671 and the heat dissipation tube. The heating element 51 and the heat dissipation plate 67 are fixedly connected by a third fixing member. In addition, in this embodiment, the PCB 52 is fixed on the case; the heating element 51 is located on the side of the PCB 52 near the lid.

As an implementable mode, the lower side surface of the water receiving tray 7 is attached to the heating part, so that water flow in the water receiving tray 7 cools the heating part, the heat dissipation efficiency of the heating part can be improved, convection heat transfer is performed between the water flow and the water receiving tray 7, the heat transfer efficiency is increased, and the heat of the heating part is absorbed quickly.

As a practical aspect, in the bottom projection of the electrical box 50, the projection of the pressing plate 68 and the projection of the heat dissipation plate 67 are both located within the projection of the water receiving tray 7 and at an intermediate position of the projection of the water receiving tray 7, so that the water receiving tray 7 can receive all condensation from the pressing plate 68, the heat dissipation plate 67, and the heat dissipation pipe.

As a practical aspect, the lower surface of the heat dissipation plate 67 is a flat surface, the protruding surface is a flat surface, and the contact surface between the lower surface of the heat dissipation plate 67 and the protruding surface is a flat surface, so that the heat transfer efficiency between the heat dissipation plate 67 and the protruding surface is improved.

As an implementable manner, the water pan 7 further includes a protruding portion 71, the protruding portion 71 includes a protruding surface located on the upper side, the protruding portion 71 is a cuboid and is disposed at the middle position of the water pan 7, so that the protruding portion 71 is located at a higher position in the water pan 7, and the protruding portion 71 of the cuboid can provide stable support for the heat dissipation plate 67.

As an implementation mode, the drain pan 7 further includes a side wall 72 and an inclined bottom surface 73, a second gap 74 is provided between the inclined bottom surface 73 and the lower side surface of the heat dissipation plate 67, dew condensed on the heat dissipation plate 67 flows into the drain pan 7 through the second gap 74, and the second gap 74 is located around the protrusion 71, so that dew flowing down from the heat dissipation plate 67 can enter the drain pan 7 from all around.

As a practical manner, the inclined bottom surface 73 is provided with a drainage hole 75, and the drainage hole 75 is located at the corner of the two adjacent side walls 72. The condensation flows from the inclined bottom surface 73 of the drain pan 7 to the drain hole 75, and the drain hole 75 is connected to a drain pipe 76 located below the drain pan 7, so that the condensation discharged from the drain hole 75 flows out of the drain pipe 76.

As one practical aspect, the left side of the inclined bottom surface 73 is provided with a drain hole 75, the right side of the inclined bottom surface 73 is higher than the left side, and the inclined bottom surface 73 is inclined from the right side to the left side. The water flows from the right side of the upper inclined bottom surface 73 to the left side of the lower inclined bottom surface 73, flows into the drain hole 75 on the left side of the inclined bottom surface 73, and flows out of the drain tray 7.

In an implementation manner, the side wall 72, the inclined bottom surface 73 and the protrusion 71 jointly define a water flow passage, which is square, so that water in the defrosting tray 7 flows out along the water flow passage.

As a practical way, the water pan 7 is made of aluminum. Aluminum has good thermal conductivity. On the one hand, the water pan 7 can rapidly exchange heat with the heat dissipation plate 67. On the other hand, the water pan 7 can exchange heat with the heating element 51 quickly, and water in the water pan 7 can also exchange heat with the heating element 51 quickly, so that the heat exchange efficiency is improved.

The embodiment provides an outdoor unit 100 of an air conditioner, which includes a casing 10 defining a receiving chamber 20, an electrical box 50 disposed in the receiving chamber 20; the electric box 50 comprises a PCB 52 provided with a heating element 51, a heat dissipation plate 67 matched with one side of the heating element 51 far away from the PCB 52, a pressing plate 68 fixed on one side of the heat dissipation plate 67 far away from the heating element 51, a heat dissipation pipe fixed between the heat dissipation plate 67 and the pressing plate 68 and a water receiving tray 7 fixed between the heating element 51 and the heat dissipation plate 67; one end of the radiating pipe is connected with a throttling device of the air conditioner outdoor unit 100, and the other end of the radiating pipe is communicated with a low-pressure air pipe of the air conditioner outdoor unit 100; the heating element 51 releases heat to the water receiving tray 7, the water receiving tray 7 transmits the heat to the heat dissipation plate 67, and the heat dissipation plate 67 transmits the heat to the heat dissipation pipe and is absorbed by the refrigerant in the heat dissipation pipe; condensed dew on the radiator 60 flows to the water receiving tray 7 through the second gap 74 between the inclined bottom surface 73 and the heat radiating plate 67, flows to the water receiving hole on the water receiving tray 7, and then flows to the water receiving pipe from the water receiving hole to be discharged outside the electrical box 50.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (10)

1. Air condensing units, its characterized in that it includes:

a housing defining an accommodating chamber;

the baffle plate divides the accommodating cavity into a first cavity provided with a fan and a second cavity provided with a throttling device, and a ventilation opening for communicating the first cavity with the second cavity is formed in the baffle plate;

the electric box is arranged at the vent and is transversely connected to the partition plate; the electric fitting box comprises a heat dissipation plate, a pressing plate and a heat dissipation pipe, wherein the heat dissipation pipe is arranged between the pressing plate and the heat dissipation plate;

the electric box further comprises a water receiving disc, the water receiving disc is arranged between the heating plate and a heating component of the electric box, a protruding face facing the heating plate is formed on the water receiving disc, and the protruding face is connected with the lower side face of the heating plate.

2. An outdoor unit of an air conditioner according to claim 1, wherein a lower side surface of the water receiving tray is attached to the heat generating part so that the water in the water receiving tray cools the heat generating part.

3. An outdoor unit of an air conditioner as claimed in claim 1, wherein, in the projection of the bottom surface of the packing box, the projection of the pressing plate, the projection of the radiating plate and the projection of the radiating pipe are all located within the projection of the water receiving tray and at a middle position of the projection of the water receiving tray.

4. The outdoor unit of claim 1, wherein the lower side of the radiating plate is a flat surface, the protruding surface is a flat surface, and a contact surface between the lower side of the radiating plate and the protruding surface is a flat surface.

5. An outdoor unit of an air conditioner as claimed in claim 4, wherein the drip pan further comprises a projection part including a projection surface on an upper side, the projection part having a rectangular parallelepiped shape and being provided at a middle position of the drip pan.

6. An outdoor unit of an air conditioner according to claim 5, wherein the drip pan further includes a side wall and an inclined bottom surface, and a space is formed between the inclined bottom surface and a lower side surface of the heat radiating plate, and dew condensed on the heat radiating plate flows into the drip pan through the space.

7. The outdoor unit of claim 6, wherein the inclined bottom surface is provided with a drainage hole at a corner of adjacent two side walls.

8. The outdoor unit of claim 7, wherein a drain hole is formed at a left side of the inclined bottom surface, a right side of the inclined bottom surface has a higher height than a left side of the inclined bottom surface, and the inclined bottom surface is inclined from the right side to the left side.

9. The outdoor unit of claim 6, wherein the sidewalls, the inclined bottom surface and the projection together define a discharge flow path.

10. An outdoor unit of an air conditioner as claimed in claim 1, wherein the drip tray is made of aluminum.

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