CN219415014U - Air conditioner outdoor unit - Google Patents

Abstract

The utility model discloses an air conditioner outdoor unit, which belongs to the technical field of air conditioners, and comprises a shell, an electric appliance box and a circuit board; a cavity is arranged in the shell; the top to the bottom of the shell is the height direction of the shell; the partition board is arranged in the cavity and divides the cavity into a first mounting cavity and a second mounting cavity; the first installation cavity is internally provided with electric equipment; the electrical box is arranged in the second mounting cavity; the circuit board is connected to the electrical box and is electrically connected with the electric equipment; the plane where the circuit board is located is arranged along the height direction of the shell, the circuit board and the electric box jointly define a containing cavity, one side of the circuit board, which faces the electric box, is connected with a heating element, and the heating element is located in the containing cavity; a gap is formed between the outer edge of the circuit board and the side wall of the electrical box, the gap is communicated with the accommodating cavity, and the maximum value of the gap is 1m m. The outdoor unit of the air conditioner can avoid short circuit of the electric box caused by mosquitoes; and can avoid fire caused by short circuit of the electrical box.

Description

Air conditioner outdoor unit

Technical Field

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

Background

In order to make the electric equipment work better, people use heating elements integrated on a circuit board to control the power of the electric equipment, and the circuit board is arranged in an electric box. As is well known, the outdoor unit of the air conditioner is installed outdoors, and in hot summer, mosquitoes are more numerous, so that the mosquitoes can easily climb on the outdoor unit of the air conditioner and enter the cavity inside the electric box from the gap between the circuit board and the electric box; in cold winter, although the mosquito quantity is less, but some insects have heat tendency, because the power control module and other elements integrated on the circuit board can generate heat when working, insects can find hosts through the heat source, and can easily enter the cavity of the electric box from the outdoor unit. Because the insect itself has the electrically conductive effect, when two circuit board solder joints are connected to the health of insect, very easily lead to circuit short circuit damage, reduce air conditioner life, can also cause the electrical apparatus box to catch fire in the spark that produces because of the circuit short circuit even, though the fire-retardant grade of electrical apparatus box is all higher at the present stage, but the insect in the electrical apparatus box can increase the internal fire source of electrical apparatus box as combustible material and exist time, reduce the flame retardant efficiency of electrical apparatus box, in case the internal fire source of electrical apparatus box contacts with other parts of off-premises station, then very easily cause the conflagration, produce serious result, consequently, electrical apparatus box among the prior art exists the potential safety hazard.

Disclosure of Invention

Aiming at the defects existing in the related art, the utility model provides an air conditioner outdoor unit which is used for preventing mosquitoes from contacting an electric box to cause short circuit.

The utility model provides an air conditioner outdoor unit, comprising:

a shell, the interior of which is provided with a cavity; the top to the bottom of the shell is the height direction of the shell;

a partition plate disposed in the cavity and dividing the cavity into a first mounting chamber and a second mounting chamber; the first installation cavity is internally provided with electric equipment;

an electrical box disposed in the second mounting cavity;

the circuit board is connected to the electrical box and is electrically connected with the electric equipment; the plane where the circuit board is located is arranged along the height direction of the shell, the circuit board and the electric box jointly define a containing cavity, one side of the circuit board, which faces the electric box, is connected with a heating element, and the heating element is located in the containing cavity; there is the gap between circuit board outward flange and the electrical apparatus box lateral wall, gap and hold the chamber intercommunication and the maximum value of the value scope of gap be 1mm.

According to the technical scheme, the circuit board is arranged along the height direction of the shell, so that the circuit board is arranged vertically, and dust, mosquitoes and the like can fall under the action of gravity; through setting up the biggest value in clearance between circuit board and the electrical apparatus box to prevent that the mosquito from getting into in the electrical apparatus box, also can avoid rainwater and dust to get into in the electrical apparatus box simultaneously, avoid damaging the circuit board.

In some of these embodiments, a protective housing is connected to the outer periphery of the electrical box, the protective housing is mounted in the second mounting cavity and is provided with a positioning cavity, and the electrical box is mounted in the positioning cavity; the positioning cavity is provided with a positioning cavity opening communicated with the communication hole, and the positioning cavity opening is arranged on one side of the positioning cavity facing the partition plate.

According to the technical scheme, the protective shell is arranged on the periphery of the electric box to protect the electric box, so that sparks in the electric box are prevented from contacting with electric equipment in the first installation cavity; a positioning cavity is arranged to position and fix the electrical box; through setting the opening of the positioning cavity, the electric box is radiated, and heat is prevented from being accumulated in the positioning cavity; through setting up location chamber opening and intercommunicating pore intercommunication to make the heat in the location chamber can in time distribute from the intercommunicating pore.

In some embodiments, a baffle is disposed at the communication hole, and the baffle is connected to the partition and is located in the first mounting cavity, so that an opening of the communication hole in the first mounting cavity faces a side where the cabinet and the wall are mounted.

According to the technical scheme, the baffle is arranged to change the direction of the communication hole, so that the electric box is prevented from being directly contacted with electric equipment in the first installation cavity.

In some embodiments, the electrical box is provided with an electrical box claw, the protective shell is provided with a protective shell clamping hole corresponding to the position of the electrical box claw, and the electrical box claw is clamped in the protective shell clamping hole.

According to the technical scheme, the electric box claw is arranged and matched with the protective shell clamping hole, so that the electric box is connected with the protective shell.

In some embodiments, the electrical box is provided with a first connecting hole, the protective shell is provided with a second connecting hole corresponding to the first connecting hole, and the fastener penetrates through the first connecting hole and the second connecting hole to connect the electrical box and the protective shell.

According to the technical scheme, the first connecting hole and the second connecting hole are formed, the fastening piece is used for connecting the first connecting hole and the second connecting hole so as to connect the electric box and the protective shell, and therefore the connection firmness of the electric box and the protective shell is improved.

In some embodiments, the protective shell comprises a connecting plate and a protective plate, the connecting plate is provided with a through hole, and the protective plate is arranged at the through hole and protrudes towards one side away from the connecting plate to form a positioning cavity; one side of the connecting plate is connected with the partition board, and the other side of the connecting plate is connected with the side wall of the second mounting cavity opposite to the partition board.

In some embodiments, a first bending part is arranged on one side, connected with the partition plate, of the connecting plate, and the first bending part is abutted with the partition plate.

According to the technical scheme, the first bending part is arranged to prevent flames from burning towards the partition board.

In some embodiments, the first bending portion is provided with a connecting plate claw, the partition is provided with a partition clamping hole, and the connecting plate claw is clamped in the partition clamping hole.

According to the technical scheme, the connecting plate claw and the partition board clamping hole are arranged, and the connecting plate claw is clamped with the partition board clamping hole, so that the connecting plate is connected with the partition board.

In some embodiments, the protection plate is provided with a second bending part, the second bending part is abutted against one side of the connecting plate, which is away from the electrical box, and the second bending part is provided with a third connecting hole, the connecting plate is provided with a fourth connecting hole which is correspondingly arranged with the third connecting hole, and the fastener penetrates through the third connecting hole and the fourth connecting hole to connect the protection plate and the connecting plate.

In some embodiments, the electrical box is provided with a fixed claw and a movable claw, the fixed claw and the movable claw are respectively arranged on two opposite sides of the electrical box, and the fixed claw and the movable claw are respectively correspondingly clamped on two opposite sides of the circuit board.

Based on the technical scheme, the air conditioner outdoor unit in the embodiment of the utility model can avoid short circuit of the electrical box caused by mosquitoes; and can avoid fire caused by short circuit of the electrical box. According to the air conditioner outdoor unit, the maximum value of the gap between the outer edge of the circuit board and the side wall of the electric box is 1mm, so that mosquitoes, dust and the like are prevented from entering the electric box from the gap, the mosquitoes and the circuit board can be isolated, and short circuit of the circuit caused by the mosquitoes is avoided; the electric box is isolated from the electric equipment through the protective shell, so that when the electric equipment is in short circuit, flames in the electric box are prevented from contacting the electric equipment, and fire disasters caused by the short circuit of the electric box are avoided through a mode of isolating fire sources; in addition, the electric box is placed along the height of the shell, so that dust accumulation can be prevented, mosquitoes can fall naturally, the phenomenon that the short circuit is caused by the mosquitoes and then sparks generated by the short circuit are generated as combustible materials to be evolved into flames is avoided, and further expansion of losses is avoided; meanwhile, the detachable connection mode is adopted in the integral structure, so that the structure is simple, and the installation and the detachment are convenient and the production is convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of one embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of an embodiment of the utility model without a cover plate;

FIG. 3 is a schematic view of the structure of one embodiment of the utility model without the cover plate and net cover assembled;

FIG. 4 is a schematic view of a housing in an embodiment of the utility model;

FIG. 5 is a schematic view of the assembly of the partition with the housing and the baffle in accordance with one embodiment of the present utility model;

FIG. 6 is an enlarged view of the structure of FIG. 5 at A;

FIG. 7 is a schematic view of the structure of the partition assembled with the housing according to one embodiment of the present utility model;

FIG. 8 is a schematic diagram of the circuit board and electrical box in one embodiment of the utility model;

FIG. 9 is a schematic diagram of the circuit board, electrical box and protective housing assembly according to one embodiment of the utility model;

FIG. 10 is a schematic diagram of the structure of a protective shell according to an embodiment of the utility model;

FIG. 11 is a schematic view of the structure of a fender according to an embodiment of the utility model;

FIG. 12 is a schematic view of a structure of a protective shell at another angle according to an embodiment of the utility model;

FIG. 13 is a schematic view of the electrical box and protective housing assembly according to an embodiment of the present utility model;

FIG. 14 is a schematic view of the circuit board, electrical box and protective housing and baffle assembly in accordance with one embodiment of the present utility model;

fig. 15 is a schematic view of the structure of a baffle plate in one embodiment of the present utility model.

In the figure:

1. a housing; 2. a cover plate; 3. a cover net; 4. a top cover; 5. a circuit board; 6. an electrical box; 7. a protective shell; 8. a partition plate; 9. a baffle;

11. a first mounting cavity; 12. a second mounting cavity; 13. an air outlet;

61. a fixed claw; 62. a movable claw; 63. a first connection hole; 64. an electrical box clamping hook;

71. a connecting plate; 72. a protection plate; 711. a protective shell clamping hole; 712. a second connection hole; 713. a first bending part; 714. a fourth connection hole; 715. a connecting plate clamping hook; 721. a second bending part; 722. a third connection hole; 723. a third bending part;

81. a communication hole; 82. a baffle plate clamping hole;

91. a baffle body; 92. and a connecting part.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the orientations or positional relationships indicated by the terms "center", "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationships shown in the drawings, are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 15, in an exemplary embodiment of the outdoor unit of the present utility model, the outdoor unit of the present utility model includes a housing 1, a circuit board 5, and an electrical box 6, wherein a top-to-bottom direction of the housing 1 is a height direction of the housing 1.

As shown in fig. 1 to 7, a cavity is formed in the casing 1, a partition plate 8 is installed in the cavity, and the partition plate 8 is arranged along the height direction of the casing 1 and divides the cavity into a first installation cavity 11 and a second installation cavity 12 which are arranged in parallel; the first installation cavity 11 is internally provided with electric equipment, the second installation cavity 12 is internally provided with a circuit board 5 for controlling the electric equipment to work, the circuit board 5 is electrically connected with the electric equipment, and the circuit board 5 is installed in the second installation cavity 12 through the electric box 6; the partition plate 8 is provided with a communication hole 81 for communicating the first mounting chamber 11 with the second mounting chamber 12; it should be noted that, the electric equipment refers to a fan and other electric equipment installed at an outdoor unit of an air conditioner, and the fan and other electric equipment belong to the prior art, and are not described here again.

As shown in fig. 2, 3 and 8, a plane where the circuit board 5 is located is arranged along the height direction of the casing 1 and is mounted on the electrical box 6, the electrical box 6 is also arranged along the height direction of the casing 1, the plane where the circuit board 5 is located and the electrical box 6 together define a containing cavity, a heating element integrated on the circuit board 5 is located at one side of the circuit board 5 facing the electrical box 6, and a gap exists between the outer edge of the circuit board 5 and the side wall of the electrical box 6 in order to facilitate mounting of the circuit board 5 in the electrical box 6; since mosquitoes, dust and the like easily enter the accommodating cavity and the mosquitoes enter the accommodating cavity to damage the circuit board 5, the maximum value of a gap between the outer edge of the circuit board 5 and the side wall of the electrical box 6 is 1mm, so that the mosquitoes, dust and the like are prevented from entering the accommodating cavity inside the electrical box 6 from the gap to be contacted with electrical elements on the circuit board 5; the electric box 6 is vertically arranged along the height direction of the shell 1, so that dust and mosquitoes entering the electric box 6 drop from the side wall of the electric box 6 under the action of gravity; external mosquitoes possibly move to the welding points of the circuit board 5 when entering the electric box 6, and the electric mosquitoes fall off the circuit board 5 under the action of gravity, so that the mosquitoes are prevented from being ignited by sparks generated by short circuits.

As shown in fig. 2, 3 and 8, the electrical box 6 includes a fixing jaw 61 and an elastic jaw 62, and the fixing jaw 61 and the elastic jaw 62 are respectively disposed at opposite sides of the electrical box 6 to increase the installation firmness of the circuit board 5; one end of the fixed jaw 61 is fixedly connected with the electrical box 6, and the other end of the fixed jaw 61 horizontally extends towards one side close to the elastic jaw 62, so that the fixed jaw 61 and the electrical box 6 jointly define a mounting channel, and one side of the circuit board 5 is clamped in the mounting channel; one end of the elastic claw 62 is connected with the electrical box 6, the other end of the elastic claw 62 extends towards the direction away from the electrical box 6, the elastic claw 62 can rotate around the connection part of the elastic claw 62 and the electrical box 6 through the action of external force, so that the distance between the fixed claw 61 and the elastic claw 62 is increased, the circuit board 5 can be freely placed between the fixed claw 61 and the elastic claw 62, after the external force is removed, the elastic claw 62 automatically restores to the original state, the distance between the fixed claw 61 and the elastic claw 62 restores to the original size, and the circuit board 5 is clamped between the fixed claw 61 and the elastic claw 62; the circuit board 5 is detachably mounted on the electrical box 6 by providing the elastic claw 62; in order to increase the connection firmness between the circuit board 5 and the electrical box 6, the circuit board 5 and the electrical box 6 are further connected by fasteners such as bolts or screws.

As shown in fig. 2, 3 and 9, the electrical box 6 is mounted to the protective case 7 and is mounted in the second mounting cavity 12 through the protective case 7; since mosquitoes may move to the welding point of the circuit board 5 when entering the electric box 6, the circuit board 5 is short-circuited, sparks are easy to generate when the circuit is short-circuited, and if the sparks are contacted with electric equipment in the first installation cavity 11, fire disaster may be caused, therefore, the sparks in the electric box 6 are prevented from being contacted with the electric equipment in the first installation cavity 11 by arranging the protective shell 7 on the periphery of the electric box 6. The protective shell 7 comprises a connecting plate 71 and a protective plate 72, a through hole is formed in the middle of the connecting plate 71, and the protective plate 72 is positioned at the through hole and connected to one side, away from the electrical box 6, of the connecting plate 71; the protection plate 72 is provided with a positioning cavity, and the positioning cavity is positioned on one side of the protection plate 72 away from the connection plate 71 and protrudes towards the direction away from the connection plate 71; one side of the electrical box 6, which is away from the circuit board 5, passes through the through hole and is arranged in the positioning cavity; the connection plate 71 is connected to both the partition 8 and the side wall of the second mounting chamber 12 opposite to the partition 8 so that the electrical box 6 is suspended in the second mounting chamber 12.

Because the heating element on the circuit board 5 can generate heat during operation, the electric box 6 is provided with radiating fins for radiating, and if the heat is not timely radiated, the normal operation of the circuit board 5 can be affected. The electrical box 6 is arranged in the positioning cavity, and although the positioning cavity adopts a closed structure to achieve better isolation effect on the electrical box 6 and the electric equipment, the closed structure can influence the heat dissipation effect of the heat dissipation fin. Therefore, the positioning cavity is provided with the positioning cavity opening, so that heat generated by the operation of the heating element can be timely dissipated; the positioning cavity opening is opened in the guard plate 72 and in the side of guard plate 72 towards baffle 8, in order to increase the radiating effect, positioning cavity opening and intercommunicating pore 81 communicate to make the heat in the positioning cavity discharge the positioning cavity through positioning cavity opening, intercommunicating pore 81. Since the positioning cavity is provided with the positioning cavity opening, the isolation effect on the electric box 6 and the electric equipment can be reduced, and the flame in the electric box 6 is possibly contacted with the electric equipment in the first installation cavity 11 through the positioning cavity opening, the baffle 9 is arranged at the positioning cavity opening to prevent the electric box 6 from being directly contacted with the electric equipment in the first installation cavity 11. As shown in fig. 10 to 15, the baffle 9 is connected to the side of the partition 8 facing the first installation cavity 11, the baffle 9 is located at the communication hole 81 and is disposed in the first installation cavity 11, and the baffle 9 blocks the electrical box 6 from directly contacting with the electrical equipment in the first installation cavity 11 by changing the opening direction of the communication hole 81 in the first installation cavity 11; the communication hole 81 before the baffle 9 is not arranged is directly arranged towards the first installation cavity 11, the fire source in the electrical box 6 is likely to enter the first installation cavity 11 from the communication hole 81, the direction of the communication hole 81 is changed through the arrangement of the baffle 9, the opening direction of the communication hole 81 is towards the rear side of the shell 1, and the electrical box 6 cannot be directly contacted with electric equipment in the first installation cavity 11, so that the fire source in the electrical box 6 is prevented from igniting the electric equipment in the first installation cavity 11. The baffle 9 includes a baffle body 91, the baffle body 91 is disposed opposite to the communication hole 81 with a certain distance from the communication hole 81, the baffle body 91 is provided with connection portions 92, and the connection portions 92 are located on three sides of the baffle body 91 and connected with the partition plate 8, respectively.

As shown in fig. 2, 3 and 9, a first bent portion 713 is provided at a side of the connection plate 71 connected to the partition plate 8, the first bent portion 713 being abutted against the partition plate 8 and being located at a side of the electrical box 6 near the partition plate 8 to prevent a flame from burning toward the partition plate 8; the first bending part 713 is provided with a connecting plate hook 715, the partition plate 8 is provided with a partition plate clamping hole 82, and the connecting plate hook 715 is clamped with the partition plate clamping hole 82 so as to connect the connecting plate 71 with the partition plate 8; the electrical box 6 is provided with a first connecting hole 63, the connecting plate 71 is provided with a second connecting hole 712, the first connecting hole 63 and the second connecting hole 712 are correspondingly arranged, and fasteners such as bolts or screws for connecting the electrical box 6 and the connecting plate 71 are sequentially connected to the first connecting hole 63 and the second connecting hole 712 so as to connect the electrical box 6 and the connecting plate 71; in order to further increase the connection firmness of the electrical box 6 and the connection plate 71, the connection plate 71 is provided with a protective shell clamping hole 711, the protective shell clamping hole 711 and the second connection hole 712 are respectively positioned at two opposite sides of the connection plate 71, the electrical box 6 is provided with an electrical box clamping hook 64 corresponding to the position of the protective shell clamping hole 711, and the electrical box clamping hook 64 is clamped in the protective shell clamping hole 711 so as to connect the electrical box 6 to the connection plate 71; it should be noted that, the protection plate 72 is provided with a third connection hole 722, the connection plate 71 is provided with a fourth connection hole 714, the fourth connection hole 714 is provided corresponding to the third connection hole 722, and a fastener such as a bolt or a screw for connecting the protection plate 72 and the connection plate 71 passes through the third connection hole 722 and the fourth connection hole 714 at the same time so as to connect the protection plate 72 and the connection plate 71; in order to facilitate the connection between the protection plate 72 and the connection plate 71, the protection plate 72 is provided with a second bending portion 721, the second bending portion 721 is abutted against one side of the connection plate 71 away from the electrical box 6, and the third connection hole 722 is opened at the second bending portion 721; the protection plate 72 is also provided with a third bending part 723, and the third bending part 723 is arranged at the opening of the positioning cavity and is abutted against the baffle plate 8 so as to enable the opening of the positioning cavity to be communicated with the communication hole 81, thereby enabling heat in the positioning cavity to be discharged out of the positioning cavity through the communication hole 81 in time; in addition, it should be noted that the connection plate 71 and the protection plate 72 are both sheet metal parts, and the sheet metal parts have good heat dissipation effect, high ignition point and good flame blocking effect.

In some embodiments, as shown in fig. 2-5, the rear side of the casing 1 is mounted on a building such as a wall, the front side of the first mounting cavity 11 is provided with an opening, the opening of the first mounting cavity 11 is provided with a net cover 3, and the net cover 3 is provided with a plurality of ventilation holes, on one hand, the ventilation holes can be used as air inlets of the fan when the fan operates, and on the other hand, the ventilation holes can also be used as a part of heat dissipation holes for dissipating heat, so that the heat generated by the operation of the circuit board 5 enters the first mounting cavity 11 from the communication hole 81 and is discharged to the outside through the ventilation holes; one side of the first installation cavity 11 is also provided with an air outlet 13, and the air outlet 13 not only can exhaust the air operated by the fan, but also can be used as a heat dissipation hole to dissipate heat; it should be noted that, in practical application, the heat dissipation holes do not only include the ventilation holes and the air outlets 13 on the net cover 3, under the premise of ensuring the performance of the outdoor unit of the air conditioner, the more the heat dissipation holes are opened, the better the heat dissipation effect is, in other embodiments, the heat dissipation holes are opened at the lower end of the side wall of the second installation cavity 12 at the position far away from the electrical box 6, and the heat dissipation holes belong to the common knowledge technology in the art, and are not repeated herein. It should be noted that, the front side of the second installation cavity 12 is also provided with an opening, the opening of the second installation cavity 12 is provided with a cover plate 2, and the cover plate 2 is detachably installed at the opening of the second installation cavity 12, so that the electrical box 6 is conveniently installed in the second installation cavity 12 or detached from the second installation cavity 12; in addition, it should be noted that the top of the first installation cavity 11 and the top of the second installation cavity 12 are also provided with openings, the top opening of the first installation cavity 11 and the top opening of the second installation cavity 12 are simultaneously connected with the top cover 4, and the partition 8, the compressor, the fan and other electric equipment can be conveniently installed by disassembling the top cover 4.

The working principle of the air conditioner outdoor unit is described in detail below by taking the example that the gap between the outer edge of the circuit board 5 and the side wall of the electrical box 6 is 0.5 mm:

the gap between the outer edge of the circuit board 5 and the side wall of the electrical box 6 is 0.5mm, so that mosquitoes, dust, even rainwater and the like can be prevented from entering the electrical box 6 from the gap between the circuit board 5 and the electrical box 6, and the work of the circuit board 5 is affected. Even if mosquitoes and dust enter the electric box 6, the dust easily falls off from the circuit board 5 under the action of gravity because the circuit board 5 is arranged along the height direction of the casing 1; as for mosquitoes, the mosquitoes can easily move to the welding spot position of the circuit board 5 when entering the electric appliance box 6, and when the mosquitoes are at the welding spot position of the circuit board 5, the mosquitoes can easily get an electric shock to die, and the mosquitoes which die get an electric shock can fall under the action of the self gravity; the circuit short circuit is easy to cause when mosquitoes are shocked, the circuit short circuit is extremely easy to generate sparks, the combustible material of the mosquitoes falls under the action of self gravity, and the mosquitoes can be prevented from being ignited by the sparks, so that the electric appliance box 6 is prevented from generating sparks; even if a flame is generated in the electrical box 6, on the one hand, the electrical box 6 is made of flame-retardant material and can be flame-retardant, and on the other hand, the electrical box 6 is installed in the positioning cavity of the protective shell 7, and the protective shell 7 can prevent the flame in the electrical box 6 from contacting with electric equipment in the first installation cavity 11, so that the fire is prevented from being caused. Because the circuit board 5 is arranged in the electric box 6, and the electric box 6 is arranged in the positioning cavity of the protective shell 7, the opening of the positioning cavity is communicated with the communication hole 81, and the heat generated by the operation of the heating element on the circuit board 5 is transferred into the first mounting cavity 11 through the opening of the positioning cavity and the communication hole 81 and is dissipated through the heat dissipation hole of the first mounting cavity 11; on the other hand, because the protecting shell 7 is a sheet metal part, the heat transfer effect is good, and therefore, heat in the positioning cavity can also be exchanged with air in the second mounting cavity 12 through the protecting shell 7, and part of heat generated by heat exchange in the second mounting cavity 12 is dissipated through the heat dissipation holes formed in the second mounting cavity 12. Under the action of the baffle 9, the communication hole 81 faces the rear side of the casing 1 to prevent the flame from directly contacting the electric equipment in the first installation cavity 11 when the electric box 6 generates flame.

According to the air conditioner outdoor unit, the heating element on the circuit board 5 is arranged towards the electric box 6, and the gap between the circuit board 5 and the electric box 6 is designed to be 0.5mm, so that mosquitoes are prevented from entering the electric box 6, short circuit of the circuit board 5 caused by the mosquitoes is avoided, and meanwhile, rainwater and dust can be reduced from entering the electric box 6 through the gap of 0.5 mm; the electric box 6 is isolated from the electric equipment through the protective shell 7, so that when a circuit is short-circuited, flames in the electric box 6 are prevented from contacting the electric equipment, and fire disasters caused by short-circuit of the electric equipment are avoided through a fire source isolation mode; in addition, the electric box is placed along the height direction of the shell, so that dust accumulation can be prevented, mosquitoes can fall naturally, the phenomenon that the short circuit is caused by the mosquitoes and then sparks generated by the short circuit are generated as combustible materials to be evolved into flames is avoided, and further expansion of losses is avoided; meanwhile, the whole structure is detachably connected by fastening pieces such as clamping pieces, bolts or screws, and the whole structure is simple and convenient to install and detach.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

The foregoing description, for purposes of explanation, has been presented in conjunction with specific embodiments. However, the illustrative discussions above are not intended to be exhaustive or to limit the embodiments to the precise forms disclosed above. Many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles and the practical application, to thereby enable others skilled in the art to best utilize the embodiments and various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

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

a shell, the interior of which is provided with a cavity; the top to bottom of the shell is in the height direction of the shell;

a partition plate disposed in the cavity and dividing the cavity into a first installation cavity and a second installation cavity; the first installation cavity is internally provided with electric equipment;

an electrical box disposed in the second mounting cavity;

the circuit board is connected to the electrical box and is electrically connected with the electric equipment; the circuit board and the electrical box jointly define a containing cavity; a gap exists between the outer edge of the circuit board and the side wall of the electrical box;

the heating element is arranged on one side of the circuit board facing the electrical box and is positioned in the accommodating cavity;

the plane where the circuit board is located is arranged along the height direction of the shell, the gap is communicated with the accommodating cavity, and the maximum value of the gap in the range of value is 1mm.

2. The outdoor unit of claim 1, wherein a protective case is connected to an outer periphery of the electrical box, the protective case is installed in the second installation cavity and is provided with a positioning cavity, and the electrical box is installed in the positioning cavity; the positioning cavity is provided with a positioning cavity opening communicated with the communication hole, and the positioning cavity opening is arranged on one side of the positioning cavity, which faces the partition plate.

3. The outdoor unit of claim 2, wherein a baffle is provided at the communication hole, and the baffle is connected to the partition and located in the first installation cavity such that an opening of the communication hole in the first installation cavity faces a side where the cabinet and the wall are installed.

4. The outdoor unit of claim 2, wherein the electrical box is provided with an electrical box claw, the protection shell is provided with a protection shell clamping hole corresponding to the electrical box claw in position, and the electrical box claw is clamped in the protection shell clamping hole.

5. The outdoor unit of claim 2, wherein the electrical box is provided with a first connection hole, the protection case is provided with a second connection hole corresponding to the first connection hole, and the fastener is inserted into the first connection hole and the second connection hole to connect the electrical box with the protection case.

6. The outdoor unit of claim 2, wherein the protective case comprises a connection plate provided with a through hole and a protective plate provided at the through hole and protruding toward a side facing away from the connection plate to form the positioning chamber; one side of the connecting plate is connected with the partition board, and the other side of the connecting plate is connected to the side wall of the second mounting cavity opposite to the partition board.

7. The outdoor unit of claim 6, wherein a first bent portion is provided at a side of the connection plate connected to the partition plate, and the first bent portion abuts against the partition plate.

8. The outdoor unit of claim 7, wherein the first bending portion is provided with a connecting plate claw, the partition is provided with a partition clamping hole, and the connecting plate claw is clamped in the partition clamping hole.

9. The outdoor unit of claim 6, wherein the protection plate has a second bent portion, and the second bent portion abuts against a side of the connection plate facing away from the electrical box; and the second bending part is provided with a third connecting hole, the connecting plate is provided with a fourth connecting hole which is correspondingly arranged with the third connecting hole, and a fastener penetrates through the third connecting hole and the fourth connecting hole to connect the protection plate with the connecting plate.

10. The outdoor unit of claim 1, wherein the electrical box is provided with a fixed jaw and a movable jaw, the fixed jaw and the movable jaw are respectively disposed on two opposite sides of the electrical box, and the fixed jaw and the movable jaw are respectively and correspondingly clamped on two opposite sides of the circuit board.