CN209399493U - A kind of air-conditioner outdoor unit and air-conditioning - Google Patents

Abstract

The utility model belongs to the technical field of air conditioners, and discloses an outdoor unit of an air conditioner and an air conditioner, comprising a circuit board, a water cooling head is arranged horizontally on the bottom of the circuit board, and the top surface of the water cooling head is in contact with the bottom of the circuit board; The water inlet and the water outlet, the water inlet is arranged on the first side, and the water outlet is arranged on the second side opposite to the first side; the water inlet is connected with a water inlet pipe, and the water outlet is connected with a drain pipe. The top surface of the water-cooling head absorbs the heat generated by the circuit board and transfers the heat to the inside of the water-cooling head; the condensed water generated during the cooling process of the air conditioner enters the inside of the water-cooling head from the water inlet pipe, and the condensed water carrying the cooling capacity and the heat generated by the circuit board Perform heat exchange, and the condensed water after heat exchange is discharged from the drain pipe. The condensed water is used to reduce the temperature at the bottom of the circuit board, which effectively solves the problem of serious heating of the circuit board of the outdoor unit of the air conditioner in the prior art, protects the circuit board, and enables the air conditioner to cool normally.

Description

Air conditioner outdoor unit and air conditioner

technical field

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

Background technique

When the air conditioner works continuously for a long time or the temperature is high in summer, the circuit board of the outdoor unit of the air conditioner will heat up severely. If the temperature exceeds a certain temperature, it needs to dissipate heat in time, otherwise the circuit board of the external unit will be damaged, or the protection program of the air conditioner will be activated to stop cooling.

Utility model content

The embodiment of the utility model provides an outdoor unit of an air conditioner and an air conditioner to solve the problem of severe heating of the circuit board of the outdoor unit of the air conditioner in the prior art. In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is presented below. This summary is not an overview, nor is it intended to identify key/critical elements or delineate the scope of these embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.

According to the first aspect of the embodiment of the present invention, there is provided an air conditioner outdoor unit, including a circuit board, a water cooling head is horizontally arranged at the bottom of the circuit board, and the top surface of the water cooling head is in contact with the bottom of the circuit board. contact; the water cooling head is provided with a water inlet and a water outlet, the water inlet is arranged on the first side, and the water outlet is arranged on the second side opposite to the first side; at the water inlet A water inlet pipe is connected, and a drain pipe is connected at the water outlet.

The top surface of the water cooling head absorbs the heat generated by the circuit board, and transfers the heat to the inside of the water cooling head; the condensed water generated during the cooling process of the air conditioner enters the inside of the water cooling head from the water inlet pipe, and carries the cooling water to the inside of the water cooling head. A certain amount of condensed water exchanges heat with the heat generated by the circuit board, and the condensed water after heat exchange is discharged from the drain pipe. The temperature at the bottom of the circuit board is lowered by using the condensed water, which effectively solves the problem of severe heating of the circuit board of the outdoor unit of the air conditioner in the prior art, protects the circuit board, and enables the air conditioner to cool normally.

Optionally, the bottom surface of the water cooling head is provided with a finned heat exchanger, and the fin heat exchanger transfers the heat on the bottom surface of the water cooling head to the outside air to reduce the temperature of the bottom surface of the water cooling head, so that the The condensed water can more fully exchange heat with the heat generated by the circuit board.

Optionally, the fin heat exchanger includes fins, and the fins are made of aluminum or aluminum alloy, with good heat transfer performance and low flow loss.

Optionally, the water inlet is arranged at the middle part of the first side laterally, and the water outlet is arranged at the middle part of the second side laterally, so that after the condensed water enters the water cooling head from the water inlet, it is easy to Diffusion in the water cooling head is beneficial to speed up the heat exchange rate.

Optionally, the water inlet is arranged at a first end in the transverse direction of the first side, the water outlet is arranged at a second end in the transverse direction of the second side, and the first end and the The second ends are not axially symmetrical to each other, prolonging the distance between the water inlet and the water outlet, prolonging the flow of the condensed water in the water-cooled head, so that the cooling capacity of the condensed water can be fully utilized , improve the utilization of cooling capacity.

Optionally, one or more baffles are arranged inside the water-cooling head, and a plurality of the baffles are arranged parallel to each other, and the baffles divide the inside of the water-cooling head into a plurality of flow channels; The extending direction is perpendicular to the first side. Dividing the inside of the water cooling head into a plurality of flow channels accelerates the flow speed of the condensed water and improves the heat exchange efficiency.

Optionally, the lateral widths of the plurality of flow channels are equal, so that the flow speed of the condensed water in each flow channel is equal, so that the heat dissipation of the circuit board is more uniform.

Optionally, the lateral width of the flow channel is 10 microns to 1000 microns, which can effectively improve the heat exchange efficiency of the condensed water.

According to the second aspect of the embodiment of the present invention, an air conditioner is provided, including the above-mentioned outdoor unit of the air conditioner. The air conditioner can use the condensed water generated in the cooling process of the air conditioner to reduce the temperature at the bottom of the circuit board, which effectively solves the problem of the prior art. The problem of serious heating of the circuit board of the outdoor unit of the air conditioner protects the circuit board and enables the air conditioner to cool normally.

The technical solution provided by the embodiment of the utility model may include the following beneficial effects:

In the embodiment of the utility model, the top surface of the water-cooled head absorbs the heat generated by the circuit board and transfers the heat to the inside of the water-cooled head; The water exchanges heat with the heat generated by the circuit board, and the condensed water after the heat exchange is discharged from the drain pipe. The condensed water is used to lower the temperature at the bottom of the circuit board, which effectively solves the problem of serious heating of the circuit board of the outdoor unit of the air conditioner in the prior art, protects the circuit board, and enables the air conditioner to cool normally.

It should be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention.

Description of drawings

The accompanying drawings, which are incorporated in the specification and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and are used together with the specification to explain the principle of the utility model.

Fig. 1 is a partial structural schematic diagram of an air conditioner outdoor unit according to an exemplary embodiment;

Fig. 2 is a front structural schematic view of a water cooling head shown according to an exemplary embodiment;

Fig. 3 is a schematic top view of a water cooling head according to an exemplary embodiment;

Explanation of reference signs: 1-circuit board; 2-water cooling head, 21-water inlet, 22-water outlet, 23-first side, 24-second side, 25-water inlet pipe, 26-drainage pipe, 27-spacer Plate, 28-flow channel; 3-fin heat exchanger, 31-fin.

Detailed ways

The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, relational terms such as first and second etc. are used only to distinguish one entity or structure from another without requiring or implying any actual relationship or relationship between these entities or structures. order. Various embodiments herein are described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same and similar parts of the various embodiments may be referred to each other.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the present utility model, unless otherwise stipulated and limited, it should be noted that the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be The internal communication between two elements may be direct connection or indirect connection through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

In addition, in the description herein, unless otherwise specified, "plurality" means two or more.

Fig. 1 is a partial structural diagram of an outdoor unit of an air conditioner according to an exemplary embodiment.

Fig. 2 is a schematic front structural view of a water cooling head according to an exemplary embodiment.

As shown in Figure 1 and Figure 2, the utility model provides an air conditioner outdoor unit, including a circuit board 1, the bottom of the circuit board 1 is horizontally provided with a water cooling head 2, and the top surface of the water cooling head 2 is connected to the bottom of the circuit board 1 Contact; the water cooling head 2 is provided with a water inlet 21 and a water outlet 22, the water inlet 21 is arranged on the first side 23, and the water outlet 22 is arranged on the second side 24 opposite to the first side 23; the water inlet 21 is connected There is a water inlet pipe 25, and the water outlet 22 is connected with a drain pipe 26.

The top surface of the water cooling head 2 absorbs the heat generated by the circuit board 1, and transfers the heat to the inside of the water cooling head 2; the condensed water generated during the cooling process of the air conditioner enters the inside of the water cooling head 2 from the water inlet pipe 25, and the condensed water carrying cooling capacity and The heat generated by the circuit board 1 is exchanged, and the condensed water after the heat exchange is discharged from the drain pipe 26 . The temperature at the bottom of the circuit board 1 is reduced by using the condensed water, which effectively solves the problem of serious heating of the circuit board 1 of the outdoor unit of the air conditioner in the prior art, protects the circuit board 1, and enables the air conditioner to cool normally.

Optionally, the bottom surface of the water cooling head 2 is provided with a fin heat exchanger 3, and the fin heat exchanger 3 transfers the heat on the bottom surface of the water cooling head 2 to the outside air to reduce the temperature of the bottom surface of the water cooling head 2, so that the condensed water can be more Heat exchange with the heat generated by the circuit board 1 is sufficiently performed.

Optionally, the finned heat exchanger 3 includes fins 31, which are made of aluminum or aluminum alloy, with good heat transfer performance and small flow loss.

Optionally, the water inlet 21 is arranged in the middle of the first side 23 in the transverse direction, and the water outlet 22 is arranged in the middle of the second side 24 in the transverse direction, so that after the condensed water enters the water cooling head 2 from the water inlet 21, it is easy to diffuse in the water cooling head 2 It is beneficial to speed up the heat transfer rate.

Optionally, the water inlet 21 is arranged at the first end in the transverse direction of the first side 23, and the water outlet 22 is arranged at the second end in the transverse direction of the second side 24, and the first end and the second end are not in the same direction as each other. Axisymmetric, the distance between the water inlet 21 and the water outlet 22 is extended, and the flow of condensed water in the water cooling head 2 is extended, so that the cooling capacity of the condensed water can be fully utilized and the utilization rate of cooling capacity is improved.

Fig. 3 is a schematic top view of a water cooling head according to an exemplary embodiment.

As shown in Figure 3, optionally, one or more partitions 27 are arranged inside the water cooling head 2, and the plurality of partitions 27 are arranged in parallel with each other, and the partitions 27 divide the interior of the water cooling head 2 into a plurality of flow channels 28; The extending direction of the plate 27 is perpendicular to the first side 23 . Dividing the interior of the water cooling head 2 into a plurality of flow channels 28 speeds up the flow speed of the condensed water and improves the heat exchange efficiency.

Optionally, the lateral widths of the plurality of flow channels 28 are equal, so that the flow speed of the condensed water in each flow channel 28 is equal, so that the heat dissipation of the circuit board 1 is more uniform.

Optionally, the lateral width of the flow channel 28 is 10 microns to 1000 microns, which can effectively improve the heat exchange efficiency of the condensed water. More specifically, the lateral width of the flow channel 28 is 10 microns, or 200 microns, or 400 microns, or 600 microns, or 800 microns, or 1000 microns, and the heat exchange efficiency of the condensed water is higher.

The utility model also provides an air conditioner, including the above-mentioned outdoor unit of the air conditioner. The air conditioner can use the condensed water produced in the cooling process of the air conditioner to reduce the temperature at the bottom of the circuit board 1, effectively solving the problem of the circuit board of the outdoor unit of the air conditioner in the prior art. 1 The problem of serious heat generation protects the circuit board 1 and enables the air conditioner to cool normally.

The present invention is not limited to the structures which have been described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (9)

1. An air conditioner outdoor unit, characterized in that it comprises a circuit board, a water cooling head is horizontally arranged at the bottom of the circuit board, and the top surface of the water cooling head is in contact with the bottom of the circuit board; The water cooling head is provided with a water inlet and a water outlet, the water inlet is arranged on the first side, and the water outlet is arranged on the second side opposite to the first side; the water inlet is connected with The water inlet pipe is connected with a drain pipe at the water outlet. 2 . The air conditioner outdoor unit according to claim 1 , wherein a finned heat exchanger is arranged on the bottom surface of the water cooling head. 3 . 3. The air conditioner outdoor unit according to claim 2, wherein the finned heat exchanger comprises fins, and the fins are made of aluminum or aluminum alloy. 4 . The outdoor unit of an air conditioner according to claim 1 , wherein the water inlet is disposed at a transverse middle of the first side, and the water outlet is disposed at a transverse middle of the second side. 5. The outdoor unit of an air conditioner according to claim 1, wherein the water inlet is arranged at the first end in the transverse direction of the first side, and the water outlet is arranged in the transverse direction of the second side. The second end, the first end and the second end are not axially symmetrical to each other. 6. The outdoor unit of an air conditioner according to claim 1, wherein one or more partitions are arranged inside the water cooling head, and a plurality of the partitions are arranged parallel to each other, and the partitions divide the water cooling head The interior is divided into a plurality of flow channels; the extending direction of the partition is perpendicular to the first side. 7. The air conditioner outdoor unit according to claim 6, characterized in that the lateral widths of the plurality of flow channels are equal. 8 . The outdoor unit of an air conditioner according to claim 7 , wherein the lateral width of the flow channel is 10 microns to 1000 microns. 9. An air conditioner, characterized by comprising the air conditioner outdoor unit according to any one of claims 1 to 8.