CN216591994U

CN216591994U - Outdoor machine of air conditioner

Info

Publication number: CN216591994U
Application number: CN202123193277.5U
Authority: CN
Inventors: 江宗伦; 王润棠; 雷朋飞; 宗毅; 袁清荣; 蔡锦文
Original assignee: Guangdong PHNIX Eco Energy Solution Ltd
Current assignee: Guangdong PHNIX Eco Energy Solution Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-24
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses an air conditioner outdoor unit, which comprises a case, a fan and an electrical appliance box, wherein a fan chamber is arranged in the case; the fan is arranged in the fan chamber, an air guide ring is arranged on the air exhaust side of the fan chamber, and the air guide ring is arranged around the periphery of the fan; the electric appliance box is located above the air guide ring, and under the drainage of the fan and the guide effect of the air guide ring, an air vortex is formed between the air guide ring and the electric appliance box, so that the heat dissipation of the electric appliance box is accelerated. When the fan drives the airflow to flow to accelerate the heat dissipation of the heat exchanger, the airflow which continuously flows can enable the airflow to form a continuously flowing air vortex between the air guide ring and the electric box under the guide effect of the air guide ring, and the air vortex can quickly take away the heat on the surface of the electric box, so that the effect of effectively accelerating the heat dissipation of the electric box is achieved. In addition, the wind-guiding circle encircles in the periphery of fan, has the effect of gathering a current to the air-out of fan, can guarantee the centrality and the stability of off-premises station air-out.

Description

Outdoor machine of air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to an air conditioner outdoor unit.

Background

An electrical box of an air conditioner outdoor unit is a main structural body for ensuring normal and reliable work of a mainboard, and one key influence influencing the working reliability of the mainboard is temperature, so that heat dissipation becomes a bottleneck problem of electronic components.

At present, the electrical apparatus box is generally installed in the compressor top, adopts the fin to reduce electronic components's temperature usually, but, this kind of simplicity relies on the fin heat dissipation, often can lead to the problem that radiator body is bulky, weight is big, the consumptive material is many, and the operating temperature of the unable effectual reduction mainboard.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to: an outdoor unit for an air conditioner is provided, which can solve the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the following technical scheme is adopted in the application:

an outdoor unit for an air conditioner, comprising:

the fan box comprises a machine box, wherein a fan chamber is arranged in the machine box;

the fan is arranged in the fan chamber, an air guide ring is arranged on the air exhaust side of the fan chamber, and the air guide ring is arranged around the periphery of the fan;

and the electrical box is positioned above the air guide ring, and an air vortex is formed between the air guide ring and the electrical box under the drainage of the fan and the guide effect of the air guide ring, so that the heat dissipation of the electrical box is accelerated.

Optionally, the air inlet of the air guide ring is in a bell mouth shape.

Optionally, a distance between one side of the electrical box, which is far away from the air exhaust side of the fan chamber, and the air inlet side of the air guide ring is not less than 200 mm.

Optionally, a middle partition plate is arranged in the chassis, and the middle partition plate divides the interior of the chassis into a fan chamber and a press chamber which are independent of each other; the electrical box comprises a first box body and a second box body which are connected, the electrical box penetrates through the middle partition plate, so that the first box body is located at the top of the fan chamber, and the second box body is located at the top of the press chamber.

Optionally, the electrical box further comprises a variable frequency drive box, and the variable frequency drive box is connected to the lower side of the first box body.

Optionally, a heat exchanger is arranged on the air inlet side of the fan chamber, the heat exchanger extends from the bottom to the top of the fan chamber, and the first box body is located between the heat exchanger and the air outlet side of the fan chamber; the top surface of the first box body is provided with a supporting plate, and the supporting plate crosses the top of the heat exchanger and is connected with a wall plate of the case.

Optionally, the heat exchanger is an L-shaped heat exchanger, the heat exchanger includes a first heat exchanging portion and a second heat exchanging portion that are perpendicular to each other, the first heat exchanging portion is perpendicular to the middle partition plate, and the second heat exchanging portion is parallel to the middle partition plate and is connected to one side of the first heat exchanging portion, which is far away from the middle partition plate; the supporting plate is connected to one side of the first box body, which is far away from the middle partition plate, so that the supporting plate crosses the second heat exchanging part and is connected with a wall plate of the case.

Optionally, the fan room comprises a front panel, a side panel and a rear panel, and the middle partition is connected between the front panel and the rear panel, so that the front panel, the middle partition, the rear panel and the side panel enclose a wall plate of the fan room; the air exhaust side of the fan room is the side where the front panel is located, and the air guide ring is connected with the front panel.

Optionally, a fan protecting net is arranged on the outer side of the front panel.

Optionally, the air inlet side of the fan chamber is the side where the rear panel and the side panel are located, and the rear panel and the side panel are heat exchanger protection nets.

The beneficial effect of this application does: the utility model discloses an air conditioner outdoor unit.A wind guide ring is arranged in a fan chamber of the air conditioner outdoor unit, an electrical box for mounting control devices such as a main board and the like is arranged above the wind guide ring, when a fan drives airflow to flow to accelerate the heat dissipation of a heat exchanger, the airflow which continuously flows can form a continuously flowing air vortex between the wind guide ring and the electrical box under the flow guide effect of the wind guide ring, and the heat on the surface of the electrical box can be quickly taken away by the quick flow of the air vortex, so that the effect of effectively accelerating the heat dissipation of the electrical box is achieved. In addition, the wind-guiding circle encircles in the periphery of fan, has the effect of gathering a class to the air-out of fan, can guarantee the centrality and the stability of off-premises station air-out.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

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

fig. 2 is an exploded view illustrating an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 3 is a longitudinal sectional view illustrating an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

fig. 5 is a schematic view illustrating an internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 6 is a schematic view of a structure of the partition board and the electrical box in an embodiment of the present application;

fig. 7 is an exploded schematic view of the structure of fig. 6.

In the figure:

1. a chassis; 11. a fan chamber; 111. a front panel; 112. a fan guard net; 113. a heat exchanger protecting net; 12. a press chamber; 13. a middle partition plate; 131. a C-shaped groove; 2. a fan; 21. a fan bracket; 3. an electrical box; 31. a first case; 32. a second box body; 33. a support plate; 34. a cartridge body; 35. a box cover; 36. a variable frequency drive cartridge; 4. a wind guide ring; 5. a heat exchanger.

Detailed Description

In order to make the technical problems solved, technical solutions adopted, and technical effects achieved by the present application clearer, the following describes technical solutions of embodiments of the present application in further detail, and it is obvious that the described embodiments are only a part of embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 7, the present embodiment provides an outdoor unit for an air conditioner, comprising: the device comprises a case 1, a fan 2 and an electrical box 3;

a fan chamber 11 is arranged in the case 1; specifically, the outdoor unit of the air conditioner generally comprises a fan 2, a heat exchanger 5, a compressor, an expansion valve and other devices, wherein the fan 2 and the heat exchanger 5 are arranged in the same chamber (namely a fan chamber 11), the fan 2 operates to drive the air on the surface of the heat exchanger 5 to flow, so that the heat dissipation of the heat exchanger 5 is accelerated, and the compressor, the expansion valve and other devices are generally arranged in the other chamber to provide a power source for the operation of a refrigerant;

the fan 2 is arranged in the fan chamber 11, an air guide ring 4 is arranged on the air exhaust side of the fan chamber 11, and the air guide ring 4 is arranged around the periphery of the fan 2; the fan 2 can drive the air in the fan chamber 11 to flow, the side opposite to the blowout surface of the fan 2 is the exhaust side of the fan chamber 11, the air in the fan chamber 11 is exhausted through the exhaust side (generally located on the front side of the chassis), and the external air continuously flows into the fan chamber 11 from the air inlet side (generally located on the back, side or top side of the chassis) of the fan chamber 11, so that the continuous heat dissipation in the fan chamber 11 is realized; the air guide ring 4 is arranged on the exhaust side of the fan chamber 11, namely, the airflow blown out by the fan 2 can directly enter the air guide ring 4, and the air guide ring 4 has a flow gathering effect on the exhaust air of the fan 2;

the electrical box 3 is positioned above the air guide ring 4, and under the drainage of the fan 2 and the guide action of the air guide ring 4, an air vortex is formed between the air guide ring 4 and the electrical box 3, so that the heat dissipation of the electrical box 3 is accelerated; specifically, install control assembly such as mainboard in electrical apparatus box 3, the mainboard can continuously give off the heat and influence its normal work of itself in the course of the work, for this reason, this embodiment has set up wind-guiding circle 4, under the water conservancy diversion effect of wind-guiding circle 4, can form the sustainable heat of taking away electrical apparatus box 3 surfaces of air vortex that continuously flows between wind-guiding circle 4 and the electrical apparatus box 3 to realize electrical apparatus box 3's quick heat dissipation.

Therefore, in the outdoor unit of the air conditioner of this embodiment, the air guide ring 4 and the electrical box 3 can form a continuously flowing air vortex by the flow guide effect of the air guide ring 4, and the heat on the surface of the electrical box 3 can be quickly taken away by the quick flow of the air vortex, so that the effect of effectively accelerating the heat dissipation of the electrical box 3 is achieved. In addition, wind-guiding circle 4 encircles in the periphery of fan 2, has the effect of gathering a class to the air-out of fan 2, can guarantee the centrality and the stability of off-premises station air-out.

As an embodiment for realizing the above-mentioned formation of the air vortex between the air guiding ring 4 and the electrical box 3, preferably, referring to fig. 3-4, the air inlet of the air guiding ring 4 is in a bell mouth shape. In the structure, under the driving of the fan 2, the airflow in the fan chamber 11 is continuously converged into the air guide ring 4, and when the airflow at the edge of the air guide ring 4 impacts the horn-shaped necking inner wall of the air guide ring 4, the airflow is turned back under the flow guiding action of the inner wall of the air guide ring 4, so that an air vortex is formed between the air guide ring 4 and the electrical box 3, and the vortex is specifically positioned between the air inlet side of the air guide ring 4 and the lower side of the electrical box 3.

Specifically, the distance between one side of the electrical box 3, which is far away from the air exhaust side of the fan chamber 11, and the air inlet side of the air guide ring 4 is not less than 200 mm. Taking the angle shown in fig. 4 as an example, the side of the electrical box 3 away from the air exhaust side of the fan chamber 11 is the left side of the electrical box 3 in the drawing, and the air inlet side of the air guiding ring 4 is the end surface of the air inlet side of the air guiding ring, and the reason why the distance is limited in this embodiment is that: the eddy current is formed between the air inlet side of the air guide ring 4 and the lower side of the electrical box 3, that is, in the eddy current region, the electrical box 3 and the eddy current need to be ensured to have a sufficiently large contact area to ensure that a relatively obvious accelerated heat dissipation effect on the electrical box 3 can be achieved, and through multiple verification of an external unit of a conventional air conditioner by an inventor, the distance needs to be ensured to be more than 200mm to achieve a better heat dissipation effect, and preferably 200 mm-250 mm.

Referring to fig. 5, a middle partition plate 13 is arranged in the chassis 1, and the middle partition plate 13 divides the interior of the chassis 1 into a fan chamber 11 and a press chamber 12 which are independent of each other; the electrical box 3 comprises a first box body 31 and a second box body 32 which are connected, the electrical box 3 penetrates through the middle partition plate 13, so that the first box body 31 is located at the top in the fan chamber 11, and the second box body 32 is located at the top in the press chamber 12.

The fan chamber 11 and the press chamber 12 are separated by the middle partition plate 13, and equipment such as a compressor is installed in the press chamber 12, so that the mutual interference of the work of the equipment in the fan chamber 11 and the work of the equipment in the press chamber 12 can be avoided, and meanwhile, the waterproofness in the press chamber 12 is ensured. The first box body 31 and the second box body 32 are respectively positioned in the fan room 11 and the press room 12, the first box body 31 and the second box body 32 are communicated, a mainboard with larger heat productivity can be arranged in the first box body 31 for heat dissipation when in application, and other devices with smaller heat productivity can be arranged in the second box body 32; in addition, the second box body also provides support for circuit laying, so that the devices in the first box body 31 and the equipment in the press chamber 12 are electrically conducted in a circuit laying mode.

In addition, referring to fig. 6-7, the top of the middle partition 13 is provided with a C-shaped groove 131 which is just matched with the electrical box 3, when the electrical box 3 is installed, the electrical box 3 passes through the C-shaped groove 131, and the middle partition 13 plays a supporting role for the electrical box 3, so that the fixing structure of the electrical box 3 is simplified. For the equipment and the maintenance of the convenient 3 internal plant of electrical apparatus box, electrical apparatus box 3 sets up to detachable lid structure, and it specifically includes box body 34 and lid 35, can overhaul and the operation such as equipment to the device in the box body 34 through dismantling lid 35.

Further, the electrical box 3 further comprises a variable frequency drive box 36, and the variable frequency drive box 36 is connected to the lower side of the first box body 31. That is, for the inverter air conditioner with inverter driver, inverter driver is also the great subassembly of calorific capacity, and this scheme sets up inverter driver box 36 of installing inverter driver in first box body 31 downside, can guarantee inverter driver box 36's quick heat dissipation simultaneously to ensure the normal operating of air conditioner.

Referring to fig. 2-3, the air inlet side of the fan compartment 11 is provided with a heat exchanger 5, the heat exchanger 5 extends from the bottom to the top of the fan compartment 11, and the first box 31 is located between the heat exchanger 5 and the air outlet side of the fan compartment 11; the top surface of the first box 31 is provided with a support plate 33, and the support plate 33 goes over the top of the heat exchanger 5 and is connected with the wall plate of the case 1.

The heat exchanger 5 is arranged to longitudinally span the entire fan room 11, so that the heat exchanger 5 has a sufficiently large heat exchange area, thereby making full use of the inner space of the fan room 11. Meanwhile, in order to ensure the stability of the installation of the electrical box 3, a thin plate-shaped support plate 33 extends outwards from the top surface of the electrical box 3, and the support plate 33 is connected with the wall plate of the case 1, so that the installation of the heat exchanger 5 is not hindered, and the stability of the electrical box 3 can be ensured.

Preferably, the heat exchanger 5 is an L-shaped heat exchanger 5, the heat exchanger 5 includes a first heat exchanging portion and a second heat exchanging portion perpendicular to each other, the first heat exchanging portion is perpendicular to the middle partition plate 13, and the second heat exchanging portion is parallel to the middle partition plate 13 and is connected to a side of the first heat exchanging portion away from the middle partition plate 13; the supporting plate 33 is connected to a side of the first box 31 away from the middle partition 13, so that the supporting plate 33 passes over the second heat exchanging part and is connected to a wall of the cabinet 1.

Taking the configuration shown in fig. 2 as an example, the L-shaped heat exchanger 5 can maximally utilize the space in the fan room 11 to achieve the maximum heat exchange area, with the long side of the heat exchanger 5 being the first heat exchanging portion and the short side being the second heat exchanging portion. In this embodiment, one side of the electrical box 3 close to the press chamber 12 is supported by the middle partition plate 13, and one side far away from the press chamber 12 is supported by the support plate 33, the left and right support structures realize stable installation of the electrical box 3, and the support structure is simple and reliable.

Referring to fig. 2, the fan compartment 11 includes a front panel 111, a side panel and a rear panel, and the middle partition 13 is connected between the front panel 111 and the rear panel, so that the front panel 111, the middle partition 13, the rear panel and the side panel enclose a wall of the fan compartment 11; the air exhaust side of the fan room 11 is the side where the front panel 111 is located, and the air guide ring 4 is connected with the front panel 111.

Specifically, in the embodiment, the front panel 111 of the fan chamber 11 is an air exhaust side, the side panel and the rear panel are air intake sides, the L-shaped heat exchanger 5 is disposed just around the inner sides of the side panel and the rear panel, and the fan 2 is disposed between the heat exchanger 5 and the front panel 111, wherein the fan 2 is specifically supported and fixed by the fan bracket 21, when the fan 2 operates, external air continuously enters from the air intake side and passes through the heat exchanger 5, and internal air is exhausted out of the fan chamber 11 through the air outlet of the front panel 111. The wind guide ring 4 is connected with the front panel 111, the front panel 111 can be directly used as the support of the wind guide ring 4, and the problem of sealing between the wind guide ring 4 and the front panel 111 is not required to be considered. Preferably, the wind-guiding ring 4 and the front panel 111 may be an integral structure, or the wind-guiding ring 4 and the front panel 111 may be detachably connected, welded, glued, or the like.

Preferably, a fan guard 112 is disposed on an outer side of the front panel 111. The fan protecting net 112 is arranged to ensure the normal operation of the internal fan 2 and prevent the fan from being interfered by foreign matters entering from the outside.

The air intake side of the fan room 11 is the side where the rear panel and the side panel are located, and the rear panel and the side panel are heat exchanger protection nets 113. Similarly, the heat exchanger protecting net 113 is arranged to protect the heat exchanger 51.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used merely for convenience of description and simplicity of operation, and do not indicate or imply that the device or element so referred to must be in a particular orientation, constructed and operated in a particular manner, and thus should not be considered limiting. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have a special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principles of the present application have been described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the present application and is not to be construed in any way as limiting the scope of the application. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present application without inventive effort, which shall fall within the scope of the present application.

Claims

1. An outdoor unit for an air conditioner, comprising:

the fan box comprises a machine box (1), wherein a fan chamber (11) is arranged in the machine box (1);

the fan (2) is installed in the fan chamber (11), an air guide ring (4) is arranged on the air exhaust side of the fan chamber (11), and the air guide ring (4) is arranged around the periphery of the fan (2);

the electric appliance box (3) is located above the air guide ring (4), and under the drainage of the fan (2) and the flow guide effect of the air guide ring (4), an air vortex is formed between the air guide ring (4) and the electric appliance box (3) so as to accelerate the heat dissipation of the electric appliance box (3).

2. The outdoor unit of claim 1, wherein the air inlet of the air guide ring (4) is flared.

3. The outdoor unit of claim 2, wherein the distance between the side of the appliance box (3) away from the air discharge side of the fan chamber (11) and the air intake side of the air guide ring (4) is not less than 200 mm.

4. The outdoor unit of claim 1, wherein a middle partition (13) is provided in the cabinet (1), and the middle partition (13) divides the cabinet (1) into a fan chamber (11) and a press chamber (12) which are independent of each other; the electrical box (3) comprises a first box body (31) and a second box body (32) which are connected, the electrical box (3) penetrates through the middle partition plate (13), so that the first box body (31) is located at the inner top of the fan chamber (11), and the second box body (32) is located at the inner top of the press chamber (12).

5. The outdoor unit of claim 4, wherein the electric box (3) further comprises a variable frequency drive box (36), and the variable frequency drive box (36) is connected to the lower side of the first box (31).

6. The outdoor unit of claim 4, wherein the air inlet side of the fan chamber (11) is provided with a heat exchanger (5), the heat exchanger (5) extends from the bottom to the top of the fan chamber (11), and the first box (31) is located between the heat exchanger (5) and the air outlet side of the fan chamber (11); the top surface of the first box body (31) is provided with a supporting plate (33), and the supporting plate (33) crosses the top of the heat exchanger (5) and is connected with a wall plate of the case (1).

7. The outdoor unit of claim 6, wherein the heat exchanger (5) is an L-shaped heat exchanger, the heat exchanger (5) comprises a first heat exchanging portion and a second heat exchanging portion perpendicular to each other, the first heat exchanging portion is perpendicular to the middle partition plate (13), and the second heat exchanging portion is parallel to the middle partition plate (13) and connected to a side of the first heat exchanging portion away from the middle partition plate (13); the support plate (33) is connected to a side of the first box body (31) far away from the middle partition plate (13), so that the support plate (33) crosses the second heat exchanging part and is connected with a wall plate of the case (1).

8. The outdoor unit of claim 4, wherein the fan compartment (11) comprises a front panel (111), side panels and a rear panel, and the middle partition (13) is connected between the front panel (111) and the rear panel, such that the front panel (111), the middle partition (13), the rear panel and the side panels enclose a wall of the fan compartment (11); the air exhaust side of the fan room (11) is the side where the front panel (111) is located, and the air guide ring (4) is connected with the front panel (111).

9. The outdoor unit of claim 8, wherein a fan guard net (112) is provided on an outer side of the front panel (111).

10. The outdoor unit of claim 8, wherein the air inlet side of the fan chamber (11) is a side where the rear panel and the side panel are located, and the rear panel and the side panel are heat exchanger grilles (113).