CN210980086U - Air conditioner - Google Patents

Abstract

The utility model relates to the technical field of air conditioners, and provides an air conditioner, comprising a casing, a circuit board, electronic components arranged on the circuit board, and a radiator arranged on the circuit board and used for cooling the circuit board; The accommodating cavity and the air flow channel; the accommodating cavity is divided by the partition to form a first space for placing the radiator and a second space for placing the electronic components; a second space connecting the first space and the second space is opened on the divider a ventilation hole, the first space is communicated with the air flow channel, the side wall of the second space is provided with a second ventilation hole communicated with the air flow channel upstream of the first space; the radiator is arranged in the first space, and the electronic components are arranged in the first space in the second space. The gas in the airflow channel reaches the second space through the second ventilation hole and cools the electronic components in the second space; the gas in the second space is discharged through the first ventilation hole and the first space in sequence.

Description

Air conditioner

technical field

The utility model belongs to the technical field of air conditioners, and more particularly relates to an air conditioner.

Background technique

The use of circuit boards in air conditioners is very common. The heat generated by the circuit board (such as the inverter circuit is easy to generate heat) needs to be dissipated through the radiator. Air cooling is required during the heat dissipation process of the radiator, and the external air is in contact with the radiator along the airflow channel. Dissipate heat; however, external insects can easily reach the circuit board along the airflow channel and cause a short circuit of the electronic components on the circuit board, which seriously threatens the safety of the air conditioner.

Utility model content

The purpose of the present utility model is to provide an air conditioner to solve the technical problem in the prior art that the external insects reach the circuit board along the airflow channel and cause short circuit of the electronic components.

In order to achieve the above purpose, the technical solution adopted by the present invention is to provide an air conditioner including a casing, a circuit board, electronic components arranged on the circuit board, and an air conditioner arranged on the circuit board and used for cooling the circuit board. A heat sink for a circuit board; the housing has an accommodating cavity and an air flow channel; the accommodating cavity is divided by a partition to form a first space for the radiator to be placed in and a second space for the electronic components to be placed in space; a first ventilation hole connecting the first space and the second space is opened on the partition, the first space is communicated with the air flow channel, and a side wall of the second space is opened with a second ventilation hole communicated with the airflow channel upstream of the first space; the heat sink is arranged in the first space, and the electronic component is arranged in the second space.

Further, the separator is a separator.

Further, the housing further has a third space, and the air flow channel communicates with the third space.

Further, the third space communicates with the external space.

Further, the side wall of the second space is provided with a third ventilation hole communicating with the third space.

Further, the apertures of the first ventilation hole and the second ventilation hole are both smaller than 5 mm.

Further, the aperture of the first ventilation hole is 2 mm˜3 mm; and/or the aperture of the second ventilation hole is 2 mm˜3 mm.

Further, a fan is arranged in the airflow channel downstream of the first space.

Further, the number of the first ventilation holes is multiple, and/or the number of the second ventilation holes is multiple.

The utility model also provides an air conditioner, comprising a circuit board, electronic components arranged on the circuit board, a radiator arranged on the circuit board and used for cooling the circuit board, and the air conditioner, The heat sink is arranged in the first space, and the electronic component is arranged in the second space.

The beneficial effect of the air conditioner provided by the utility model is that compared with the prior art, the air conditioner of the present utility model transports the gas along the airflow channel, and when the gas in the airflow channel passes through the first space, the first space dissipates heat. The heat generated by the heater is taken away by the airflow in the airflow channel; the second space is communicated with the airflow channel upstream of the first space through the second ventilation hole, and the gas in the airflow channel reaches the second space through the second ventilation hole and is connected to the second space. The electronic components inside are cooled; the gas in the second space is discharged through the first ventilation hole and the first space in turn; when external insects crawl along the airflow channel, it is not easy for insects to enter through the first ventilation hole/second ventilation hole The second space causes a short circuit in the electronic components.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present utility model. For some novel embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a schematic diagram of an air conditioner provided by an embodiment of the present utility model;

2 is a schematic perspective view of an air conditioner provided by an embodiment of the present invention.

Among them, each reference sign in the figure:

1-shell; 11-accommodating cavity; 111-first space; 112-second space; 113-third space; 12-air flow channel; 13-partition; 14-first ventilation hole; 15-second Ventilation holes; 16-third ventilation holes; 21-radiator; 22-electronic components; 23-circuit board; 3-fan.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be 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.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

It is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inside", "outside", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that A device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIG. 1 and FIG. 2 together, and now the air conditioner provided by the present invention will be described. The air conditioner includes a housing 1, a circuit board 23, electronic components 22 arranged on the circuit board 23, and a radiator 21 arranged on the circuit board 23 and used to cool the circuit board 23; the housing 1 has an accommodating cavity 11 and an airflow channel 12; The accommodating cavity 11 is divided by the partition 13 to form a first space 111 for placing the radiator 21 and a second space 112 for placing the electronic components 22; the partition 13 is provided with a connecting first space 111 and a second space 111 The first ventilation hole 14 of the space 112, the first space 111 communicates with the airflow channel 12, the side wall of the second space 112 is provided with a second ventilation hole 15 that communicates with the airflow channel 12 upstream of the first space 111; the radiator 21 The electronic components 22 are arranged in the first space 111 , and the electronic components 22 are arranged in the second space 112 .

In this way, the heat generated by the circuit board 23 is dissipated by the radiator 21, and the electronic components 22 can also conduct heat exchange with the gas in the second space 112; the gas is transported along the airflow channel 12, and the gas in the airflow channel 12 passes through the first space 111, the heat generated by the radiator 21 in the first space 111 is taken away by the air flow in the air flow channel 12; the second space 112 is communicated with the air flow channel 12 upstream of the first space 111 through the second ventilation hole 15. The gas in the second space 112 reaches the second space 112 through the second ventilation hole 15 and cools the electronic components 22 in the second space 112; the gas in the second space 112 is discharged through the first ventilation hole 14 and the first space 111 in sequence; When insects crawl along the airflow channel 12, it is not easy for the insects to pass through the first ventilation hole 14/second ventilation hole 15 and enter the second space 112 to cause a short circuit of the electronic components.

Specifically, in one embodiment, the heat sink 21 is a heat sink.

Specifically, in one embodiment, the airflow channel 12 is an airflow duct.

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the partition member 13 is a partition plate. In this way, the separator is easy to manufacture.

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the housing 1 further has a third space 113 , and the air passage 12 communicates with the third space 113 . In this way, when the inlet of the airflow channel 12 is blocked, the gas in the third space 113 can be supplemented into the airflow channel 12 .

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the third space 113 is communicated with the external space. In this way, the gas in the external space can be supplemented into the third space 113 .

Optionally, in one embodiment, a compressor is placed in the third space 113 .

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the side wall of the second space 112 is provided with a third ventilation hole 16 communicating with the third space 113 . In this way, the gas in the third space 113 can also be supplemented into the second space 112 through the third ventilation holes 16 .

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the apertures of the first ventilation holes 14 and the second ventilation holes 15 are both smaller than 5 mm. In this way, it is not easy for common flying insects to enter the second space 112 from the first ventilation hole 14 / the second ventilation hole 15 to cause a short circuit of the electronic components 22 .

Further, referring to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the aperture of the first ventilation hole 14 is 2 mm˜3 mm; and/or the aperture of the second ventilation hole 15 is 2 mm ~3mm.

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, a fan 3 is provided in the airflow channel 12 downstream of the first space 111 . In this way, the fan 3 is convenient to accelerate the flow of the gas in the airflow channel 12, and is convenient to dissipate heat.

Further, please refer to FIG. 1 to FIG. 2 , as a specific embodiment of the air conditioner provided by the present invention, the number of the first ventilation holes 14 is multiple, and/or the number of the second ventilation holes 15 is multiple. . In this way, the gas in the second space 112 can enter the first space 111 uniformly through the plurality of first ventilation holes 14 ; the gas in the airflow channel 12 can enter the second space uniformly through the plurality of second ventilation holes 15 within 112.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the present invention. within the scope of protection of the utility model.

Claims (9)

1. An air conditioner, comprising a casing, a circuit board, electronic components arranged on the circuit board, and a radiator arranged on the circuit board and used to cool the circuit board; characterized in that: the casing It has an accommodating cavity and an air flow channel; the accommodating cavity is divided by a partition to form a first space for the radiator to be placed in and a second space for the electronic components to be placed; the partition is provided with a communication The first ventilation holes of the first space and the second space, the first space is communicated with the air flow channel, and the side wall of the second space is provided with the upstream side of the first space. a second ventilation hole communicated with an air flow channel; the radiator is arranged in the first space, and the electronic component is arranged in the second space. 2. The air conditioner according to claim 1, wherein the partition is a partition. 3 . The air conditioner according to claim 1 , wherein the housing further has a third space, and the air passage communicates with the third space. 4 . 4. The air conditioner of claim 3, wherein the third space communicates with the external space. 5 . The air conditioner according to claim 3 , wherein a third ventilation hole communicated with the third space is opened on the side wall of the second space. 6 . 6 . The air conditioner according to claim 1 , wherein the diameters of the first ventilation holes and the second ventilation holes are both smaller than 5 mm. 7 . 7 . The air conditioner according to claim 6 , wherein: the diameter of the first ventilation hole is 2 mm˜3 mm; and/or the diameter of the second ventilation hole is 2 mm˜3 mm. 8 . 8 . The air conditioner of claim 1 , wherein a fan is arranged in the airflow channel downstream of the first space. 9 . 9 . The air conditioner according to claim 1 , wherein the number of the first ventilation holes is plural, and/or the number of the second ventilation holes is plural. 10 .

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