CN214481862U - Electrical apparatus box and air conditioner - Google Patents

Abstract

The utility model provides an electrical apparatus box and air conditioner, electrical apparatus box includes: an electrical element is arranged in the box body and comprises a first shape element and a second shape element; a first installation area and a second installation area are arranged in the box body, an assembly reference surface of the first installation area is not overlapped with an assembly reference surface of the second installation area, the first shape element is installed in the first installation area, and the second shape element is installed in the second installation area. The electrical box of the embodiment of the disclosure, through carrying out functional partition with the space in the box body of electrical box, different regional installation different components, and the shape of installation region plans according to the shape of component to further set up different installation regions on the assembly reference surface of difference, make different components form the mounting means that the height is misplaced when installing in the box body, the planar area of electrical box is less, is convenient for install on small-size air conditioner products such as car as a house air conditioner.

Description

Electrical apparatus box and air conditioner

Technical Field

The disclosure belongs to the technical field of air conditioners, and particularly relates to an electric appliance box and an air conditioner.

Background

In the related art, the main board and other electrical components of the electrical box of the air conditioner are mounted on the same assembly plane, which results in a large plane area of the electrical box.

Disclosure of Invention

Therefore, the technical problem to be solved by the present disclosure is to provide an electrical box and an air conditioner, in which a main board and other electrical components are mounted on the same mounting plane, resulting in a larger plane area of the electrical box.

In order to solve the above problem, the present disclosure provides an electrical box including:

the box body is internally provided with electrical components, and the electrical components comprise a first shape component and a second shape component;

a first installation area and a second installation area are arranged in the box body, an assembly reference surface of the first installation area is not overlapped with an assembly reference surface of the second installation area, the shape of the first installation area is matched with the shape of the first shape element, and the first shape element is installed in the first installation area; the second mounting region is shaped to match a second shape element mounted within the second mounting region.

The purpose of the present disclosure and the technical problems solved thereby can be further achieved by the following technical measures.

In some embodiments, a third mounting region is also provided within the cartridge body, and the electrical component includes a third shape-like element, the third mounting region mating with the third shape-like element, the third shape-like element being mounted within the third mounting region.

In some embodiments, the assembly datum plane of the first mounting region, the assembly datum plane of the second mounting region, and the assembly datum plane of the third mounting region are not coincident.

In some embodiments, the first shape element is a main plate, the second shape element is a fan capacitor, and the third shape element is a compressor capacitor.

In some embodiments, the depth of the bottom surface of the cartridge corresponding to the third mounting region is H3, the depth of the bottom surface of the cartridge corresponding to the second mounting region is H2, and the depth of the bottom surface of the cartridge corresponding to the first mounting region is H1, satisfying H1 > H2 > H3.

In some embodiments, the distance of protrusion of the components arranged on the main board is the height y of the main board, the size of the first mounting area in the same direction with the height y of the main board is the width x1 of the first mounting area, and x1-y is 15 mm-25 mm; and/or the maximum size of the projection of the diameter of the compressor capacitor in the assembly reference plane of the third mounting area is n, the size of the third mounting area in the same direction with the maximum size is the width x2 of the third mounting area, and the requirement that n-x2 is 5 mm-10 mm is met.

In some embodiments, an avoidance slot is provided within the third mounting region, the avoidance slot configured to accommodate the compressor capacitor; and/or a protective rib is arranged in the third mounting area, and the protective rib is configured to limit the compressor capacitor; and/or a first fixing hole is arranged in the third mounting area and is configured to be matched with the screw to fix the compressor capacitor.

In some embodiments, the box body is provided with an outlet, and the outlet is provided with a waterproof structure.

In some embodiments, the outlet includes a first outlet and a second outlet, the first outlet and the second outlet are respectively disposed on the sidewall of the box body, the first outlet is provided with a first waterproof structure, and the second outlet is provided with a second waterproof structure.

In some embodiments, the first waterproof structure includes at least two water retaining walls, the at least two water retaining walls are respectively perpendicular to the routing direction, and the wire harness forms a return bend between the at least two water retaining walls; the first waterproof structure also comprises a water surrounding wall arranged in parallel to the wiring direction; and/or the second waterproof structure comprises at least one water retaining wall, and the at least one water retaining wall is arranged on the second wire outlet and is vertical to the wiring direction.

In some embodiments, a transition box is further disposed on the outer side of the box body, the transition box is disposed corresponding to the second outlet, the wiring harness passing through the second outlet is externally connected through the transition box, and the transition box is provided with a third outlet and a fourth outlet.

In some embodiments, the third outlet is provided with a third water-proofing structure, the third water-proofing structure includes at least one water-retaining wall and a water-enclosing wall, the at least one water-retaining wall is perpendicular to the routing direction, and the water-enclosing wall is parallel to the routing direction; and/or the fourth wire outlet is provided with a fourth waterproof structure, the fourth waterproof structure comprises at least two water retaining walls and a water surrounding wall, the at least two water retaining walls are respectively vertical to the wiring direction, and the water surrounding wall is parallel to the wiring direction.

In some embodiments, a wire fixing structure is arranged in the transition box and configured to fix the wire harness in the transition box; and/or the transition box is provided with a first drainage notch.

In some embodiments, the electrical box further comprises a box cover provided with a sealing ring for wrapping the box body.

In some embodiments, when the electrical box comprises an outlet, the box cover is provided with a water-proof rib and a wire pressing groove, the water-proof rib is arranged close to the outlet, and the water-proof rib is configured to prevent water drops from overflowing into the box body; the wire pressing groove is arranged corresponding to the wire outlet and is configured to press the wire harness of the wire outlet.

In some embodiments, the box body is further provided with at least one fixing foot, and the fixing foot is provided with a second fixing hole and a second drainage notch.

In some embodiments, the fixing foot is further provided with a wiring buckle.

An air conditioner adopts foretell electrical apparatus box.

The electrical box and the air conditioner provided by the disclosure at least have the following beneficial effects:

the electrical box of the embodiment of the disclosure, carry out functional partition through the space in the box body with the electrical box, different regional installation different components, and the shape of installation region plans according to the shape of component, and further set up different installation region on the assembly reference surface of difference, make different components form the installation mode of height fault-tolerant when the installation in the box body, thereby the great problem of plane area that the plane formula of electrical box among the correlation technique arranged the cause has been solved, the plane area of electrical box is less, be convenient for install on small-size air conditioner products such as car as a house air conditioner.

Drawings

FIG. 1 is a schematic structural diagram of a case and electrical components according to an embodiment of the disclosure;

FIG. 2 is a top view of the structure of a cassette according to an embodiment of the disclosure;

FIG. 3 is a cross-sectional view of the structure of a cassette body according to an embodiment of the disclosure;

fig. 4 is a schematic structural diagram of a first outlet according to an embodiment of the disclosure;

fig. 5 is a schematic structural diagram of a second outlet according to the embodiment of the disclosure;

fig. 6 is a schematic structural diagram of a third outlet according to the embodiment of the disclosure;

fig. 7 is a schematic structural diagram of a fourth outlet according to the embodiment of the disclosure;

FIG. 8 is a schematic structural view of a case and a case cover according to an embodiment of the disclosure;

FIG. 9 is a cross-sectional view taken at B-B of FIG. 8;

fig. 10 is a schematic view of the assembly of the electrical box and the air conditioner of the motor home according to the embodiment.

The reference numerals are represented as:

1. a box body; 2. a first mounting area; 3. a second mounting area; 4. a third mounting area; 5. a main plate member; 6. a fan capacitor; 7. a compressor capacitor; 8. an avoidance groove; 9. a protective rib; 10. a first fixing hole; 11. a first outlet port; 12. a second outlet; 13. a third outlet; 14. a fourth outlet; 15. a first waterproof structure; 16. a second waterproof structure; 17. a third waterproof structure; 18. a fourth waterproof structure; 19. a water retaining wall; 20. a water enclosing wall; 21. a transition box; 22. a wire fixing structure; 23. a sealing ring; 24. water-resisting ribs; 25. pressing a wire groove; 26. a fixing leg; 27. a second fixing hole; 28. a first drainage notch; 29. wiring buckles; 30. a second drainage notch; 31. a box cover; 32. a third fixing hole; 33. a fourth fixing hole; 34. an electrical box; 35. a fixing strip; 36. and (4) screws.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the following embodiments of the present disclosure will be clearly and completely described in conjunction with the accompanying drawings. It is to be understood that the described embodiments are merely a subset of the disclosed embodiments and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.

As shown in fig. 1 to 9, an embodiment of the present disclosure provides an electrical box 34, including: the box body 1 is internally provided with electrical components, and the electrical components comprise a first shape component and a second shape component; a first installation area 2 and a second installation area 3 are arranged in the box body 1, the assembly reference plane of the first installation area 2 is not overlapped with the assembly reference plane of the second installation area 3, the shape of the first installation area 2 is matched with that of a first shape element, and the first shape element is installed in the first installation area 2; the shape of the second mounting area 3 matches the shape of the second shape element, which is mounted in the second mounting area 3.

The utility model discloses electrical apparatus box 34, space in box body 1 through with electrical apparatus box 34 carries out functional partition, different regional installation different components, and the shape of installation region plans according to the shape of component, and further set up different installation region on different assembly reference surfaces, make different components form the mounting means of height fault-tolerant when installing in box body 1, guarantee to have sufficient electrical safety distance between the components and parts, thereby the great problem of plane area that the plane formula of electrical apparatus box 34 among the correlation technique arranged the plane formula and caused, the plane area of electrical apparatus box 34 is less, be convenient for install on small-size air conditioner products such as car as a house air conditioner.

The first shape element in this embodiment may be any one of a cylindrical compressor capacitor 7 having a first diameter, a cylindrical fan capacitor 6 having a second diameter, and a flat plate-shaped main plate member 5, and the second shape element may be any one of a cylindrical compressor capacitor 7 having a first diameter, a cylindrical fan capacitor 6 having a second diameter, and a flat plate-shaped main plate member 5.

Assembly reference plane refers to a reference plane used during assembly to determine the relative position of a part or component in a product. In this embodiment, the assembly reference surfaces of the first mounting region 2 and the third mounting region 3 may be step surfaces, bottom surfaces of the box body, side surfaces of the step, side walls of the box body, and the like, and may be selected according to the shapes of the components and the fixing requirements.

In some embodiments, in order to further improve the component carrying capacity of the case body 1 of the electrical box 34, a third mounting region 4 is further provided in the case body 1, the electrical component comprises a third shape-like element, the third mounting region 4 is matched with the third shape-like element, and the third shape-like element is mounted in the third mounting region 4. Therefore, three different mounting areas are formed in the box body 1, and components in three different shapes can be mounted.

In some embodiments, none of the assembly datum planes of the first mounting region 2, the second mounting region 3 and the third mounting region 4 coincide. The three installation regions of this embodiment are arranged in a staggered manner in height, and correspond to components of three different shapes in the electrical box 34, so that the optimization of the plane area of the electrical box 34 is realized by reasonably utilizing the space in the depth direction in the electrical box 34 while reliably installing the components of three shapes.

In some embodiments, the first shape element is the main plate 5, the second shape element is the blower capacitor 6, and the third shape element is the compressor capacitor 7. The main plate 5, the fan capacitor 6 and the compressor capacitor 7 are three main components of an electrical appliance system of the air conditioner, are large in size and large in occupied space, installation areas are independently designed for the three components, the depth direction space in the electrical appliance box 34 is fully utilized, and optimization of the plane area of the electrical appliance box 34 is achieved.

In some embodiments, the depth of the bottom surface of the case 1 corresponding to the third mounting region 4 is H3, the depth of the bottom surface of the case 1 corresponding to the second mounting region 3 is H2, and the depth of the bottom surface of the case 1 corresponding to the first mounting region 2 is H1, which satisfy H1 > H2 > H3. The protruding distance of the components arranged on the main board 5 is the height y of the main board 5, the size of the first mounting region 2 in the same direction with the height y of the main board 5 is the width x1 of the first mounting region 2, and x1-y is 15 mm-25 mm; in this embodiment, the main plate 5 has a larger area but a lower height, and is vertically installed in the first installation region 2, and meanwhile, in order to facilitate installation and disassembly, the first installation region 2 is kept with an assembly gap of 15-25 mm.

In some embodiments, the compressor capacitor 7 is cylindrical, the compressor capacitor 7 is installed in the third installation area 4 in a lying manner, a maximum size of a projection of a diameter of the compressor capacitor 7 in an assembly reference plane of the third installation area 4 is n, a size of the third installation area 4 in a direction same as the maximum size is a width x2 of the third installation area 4, and n-x2 is 5 mm-10 mm. In the width direction of third installation zone 4, compressor electric capacity 7 adopts the design of the partly outstanding mounting platform, because fan electric capacity 6's of installation in the second installation zone 3 terminal is close to the centre and sets up, and the size along 1 degree of depth direction of box body is less, and outstanding compressor electric capacity 7 just can spatial dislocation with fan electric capacity 6, does not influence the installation and the electrical safety distance of two kinds of electric capacities.

In some embodiments, since the compressor capacitor 7 is cylindrical, the avoidance groove 8 is formed in the third mounting area 4, and the avoidance groove 8 is configured to accommodate the compressor capacitor 7, so that the height of the compressor capacitor 7 after mounting can be reduced, the depth of the third mounting area 4 can be reduced, and the size of the electrical box 34 in the height direction can be controlled.

In some embodiments, a protection rib 9 is arranged in the third mounting area 4, and the protection rib 9 is configured to limit the compressor capacitor 7, so as to limit the compressor capacitor 7 from swinging too much, which affects the use safety; and/or, a first fixing hole 10 is arranged in the third mounting area 4, the first fixing hole 10 is configured to be matched with the fixing strip 35 and the screw 36 to fix the compressor capacitor 7, and the upper end surface of the first fixing hole 10 is flush with the compressor capacitor 7, so that the compressor capacitor 7 can be conveniently fixed; when the compressor capacitor 7 is assembled, the clamp-shaped fixing strip 35 is fixed on the compressor capacitor 7, and the fixing strip 35 is screwed on the first fixing hole 10 through the screw 36, so that the cylindrical compressor capacitor 7 is fixedly assembled when lying down.

In some embodiments, the box body 1 is provided with an outlet, and the outlet is provided with a waterproof structure. Because car as a house air conditioner uses on the car top, electrical apparatus box 34 faces the impact of rainwater and carwash water, and the outlet sets up waterproof construction for electrical apparatus box 34 is inside not to have water, and electrical safety obtains guaranteeing.

In some embodiments, the outlets include a first outlet 11 and a second outlet 12, the first outlet 11 and the second outlet 12 are respectively disposed on the sidewall of the box body 1, the first outlet 11 is provided with a first waterproof structure 15, and the second outlet 12 is provided with a second waterproof structure 16. In addition, a transition box 21 for transition, waterproofing and wire routing support can be further arranged outside the second outlet 12, and the second outlet 12 is connected to the outside after going out through the transition box 21. The plurality of wire outlets arranged in different directions of the control circuit of the air conditioning system facilitate the regular and orderly arrangement of the circuit.

In some embodiments, the first waterproof structure 15 includes at least two water retaining walls 19, the at least two water retaining walls 19 are respectively perpendicular to the routing direction, the wiring harness forms a backwater bend between the at least two water retaining walls 19, water on the wiring harness is trapped in the region, meanwhile, the height of the water retaining wall 19 close to the inner side of the box body 1 is greater than the height of the water retaining wall 19 close to the outer side, and the height difference is within a range of 10mm-20mm, so that a better backwater effect is achieved. The first waterproof structure 15 further includes a water-enclosing wall 20 arranged parallel to the wiring direction, the water-enclosing wall 20 encloses the side of the wire harness, and the outer edge of the water-enclosing wall 20 extends all the way to abut against the side wall of the box cover 31, so as to prevent water from entering the box body 1. The water enclosing wall 20 can play a role of accommodating the wire harnesses at the same time, and prevents the gap between the wire harnesses from being too large. The dimension a from the upper edge of the highest water retaining wall 19 to the top wall of the box cover 31 and the dimension c from the outermost water retaining wall 19 to the side wall of the box cover 31 are the passing areas of the wire harnesses and are designed to be the same, namely a is c, which can be determined according to the diameter of the passing wire harness.

In some embodiments, the second waterproof structure 16 includes at least one water blocking wall 19, and the at least one water blocking wall 19 is disposed on the second outlet 12 perpendicular to the routing direction. The height e of the water retaining wall 19 in the second waterproof structure 16 is designed to be within the range of 10mm-20mm, and the water retaining wall has a better water return effect.

In some embodiments, a transition box 21 is further disposed on the outer side of the box body 1, the transition box 21 is disposed corresponding to the second outlet 12, the wiring harness passing through the second outlet 12 is externally connected through the transition box 21, and the transition box 21 is provided with a third outlet 13 and a fourth outlet 14. Because of need pass through stranded pencil in this embodiment, and the line type is mostly thick line footpath, such as the power cord, the fan control line, it is great to have the clearance between the thick line, unfavorable waterproof, so the outlet can't form effectual waterproof alone, so need a transition box 21 to pass through as the centre, thereby the unable inside second outlet 12 of direct impact of water, can be blockked by transition box 21, can set up the external outlet of electrical apparatus box 34 respectively in the both sides of transition box 21, reduce the diameter of single strand pencil, reduce the area of external outlet, if water enters into transition box 21 along the clearance between outlet and the line, can be held back by transition box 21, can't enter into inside box body 1.

In some embodiments, the third outlet 13 is provided with a third water-proof structure 17, the third water-proof structure 17 includes at least one water-retaining wall 19 and a water-surrounding wall 20, the at least one water-retaining wall 19 is perpendicular to the routing direction, the water-surrounding wall 20 is parallel to the routing direction, and the height d of the water-retaining wall 19 in the third water-proof structure 17 is designed to be within a range of 10mm-20mm, so that a better water return effect is achieved.

In some embodiments, the fourth outlet 14 is provided with a fourth waterproof structure 18, the fourth waterproof structure 18 includes at least two water retaining walls 19 and a water surrounding wall 20, the at least two water retaining walls 19 are respectively perpendicular to the routing direction, and include an outer water retaining wall 19 and an inner water retaining wall 19, the inner water retaining wall 19 protrudes upward along the bottom surface of the transition box 21 to play a role in water blocking, the outer water retaining wall 19 protrudes inward from two side walls of the fourth outlet 14 to sandwich the wire harness, and plays a role in accommodating the wire harness, and prevents an excessive gap between the wire harnesses. Enclose water wall 20 and walk the line direction parallel, enclose water wall 20 and also play the effect of accomodating the pencil, prevent the too big effect in clearance between the pencil.

In some embodiments, a wire fixing structure 22 is disposed in the transition box 21, and the wire fixing structure 22 is configured to fix the wire harness in the transition box 21; set up screw hole and bellied rib on the solidus base, can fix some control lines, like the power cord, can not cause the condition that the joint pine of line takes off when playing the drawing line, can also arrange in order the pencil in addition, let the pencil rule orderly.

In some embodiments, the transition box 21 is provided with a first drainage notch 28, which is used to allow water entering the waterproof area to drain out and not collect inside the electrical box 34.

In some embodiments, the electrical box 34 further comprises a box cover 31, and the side of the box cover 31 is a closing ring 23 wrapping the box body 1. The sealing ring 23 is sleeved above the box body 1, the lower edge of the sealing ring 23 is farther beyond the upper edge of the box body 1 as much as possible, and the waterproof effect is better. The box body 1 and the box cover 31 are made of BMC materials, stability is high, temperature influence is small, good fire resistance is achieved, extra fire resistance of the sheet metal box can be reduced, the sheet metal electric box 34 is not needed, fire resistance requirements can be met, and therefore the number of parts is reduced.

In some embodiments, when the electrical box 34 includes an outlet, the box cover 31 is provided with a water-blocking rib 24 and a wire-pressing groove 25, the water-blocking rib 24 is disposed near the outlet, and the water-blocking rib 24 is configured to prevent water drops from entering the box body 1, and further prevent water drops attached to the inner surface of the cover 31 of the electrical box 34 from entering the interior of the electrical box 34. The wire pressing groove 25 is arranged corresponding to the wire outlet, the wire pressing groove 25 is configured to press a wire harness of the wire outlet to press the wire harness, and therefore the phenomenon that a gap between wires is large and the wires are fluffy and waterproof is not used is prevented.

In some embodiments, at least one fixing leg 26 is further disposed on the box body 1, and the fixing leg 26 is provided with a second fixing hole 27 and a second drainage notch 30. The second fixing hole 27 serves as a screw through hole for fixing the electrical box 34, the second drainage notch 30 can prevent water accumulation on the fixing foot 26, in addition, due to the structural characteristics of the BMC material, an inclined top and sliding block mold structure cannot be made, the fixing foot 26 is arranged on the bottom surface of the box body 1, specifically, on the outer surface of the box body 1 corresponding to the first installation area 2, and two symmetrical fixing feet 26 can be arranged for the stability of installation of the electrical box 34.

In some embodiments, the fixing foot 26 is further provided with a wiring buckle 29. The wiring buckle 29 is matched with the chassis, and can clamp the wiring at the position to prevent the wiring from loosening.

In some embodiments, the third fixing hole 32 and the fourth fixing hole 33 are provided at the periphery of the case body 1 as screw holes of the cover 31, and the third fixing hole 32 and the fourth fixing hole 33 are provided at the periphery of the case body 1 in order to prevent water on the cover 31 from entering the case body 1 along the screws. In addition, the third fixing hole 32 is provided adjacent to the first outlet 11, and the fourth fixing hole 33 is provided between the third outlet 13 and the fourth outlet 14, so that the effect of pressing the wires of the outlets more compactly can be achieved.

In the assembly process of the electrical box 34 of the embodiment, the compressor capacitor 7 is fixed to the first fixing hole 10 of the first mounting area 2 by using a screw and a capacitor clamp, the fan capacitor 6 is fixed to the second mounting area 3 by using a screw, the main board is directly placed to the first mounting area 2 along the slot, and the wire clamp is fixed to the wire fixing structure 22 by using a screw.

An air conditioner adopts the electrical box 34. As shown in fig. 10, the electrical box 34 and the motor home air conditioner are assembled, the electrical box 34 can be installed just opposite to the air inlet 25, the waterproof structure can achieve the waterproof effect of IPX4, a protective part does not need to be additionally used for wrapping the electrical box 34, and the assembly efficiency of the motor home air conditioner is improved.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present disclosure is to be considered as limited only by the preferred embodiments and not limited to the specific embodiments described herein, and all changes, equivalents and modifications that come within the spirit and scope of the disclosure are desired to be protected. The foregoing is only a preferred embodiment of the present disclosure, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present disclosure, and these improvements and modifications should also be considered as the protection scope of the present disclosure.

Claims (18)

1. An electrical box, comprising:

the box body (1), wherein electrical components are installed in the box body (1), and the electrical components comprise a first shape component and a second shape component;

a first installation area (2) and a second installation area (3) are arranged in the box body (1), an assembly reference plane of the first installation area (2) is not overlapped with an assembly reference plane of the second installation area (3), the shape of the first installation area (2) is matched with that of the first shape element, and the first shape element is installed in the first installation area (2); the shape of the second mounting region (3) matches the shape of the second shape element mounted within the second mounting region (3).

2. The electrical box according to claim 1, characterised in that a third mounting area (4) is also provided in the box body (1), the electrical element comprising a third shaped element, the third mounting area (4) being matched to the third shaped element, the third shaped element being mounted in the third mounting area (4).

3. The electrical box according to claim 2, characterized in that none of the assembly reference planes of the first mounting region (2), the second mounting region (3) and the third mounting region (4) coincide.

4. The electrical box according to claim 3, characterized in that said first shape element is a main plate (5), said second shape element is a fan capacitor (6) and said third shape element is a compressor capacitor (7).

5. The electrical box according to claim 4, wherein the depth of the bottom surface of the box body (1) corresponding to the third mounting region (4) is H3, the depth of the bottom surface of the box body (1) corresponding to the second mounting region (3) is H2, the depth of the bottom surface of the box body (1) corresponding to the first mounting region (2) is H1, and H1 > H2 > H3 is satisfied.

6. The electrical box according to claim 4, characterized in that the distance of protrusion of the components arranged on the main board (5) is the height y of the main board (5), the size of the first mounting region (2) in the same direction as the height y of the main board (5) is the width x1 of the first mounting region (2), and x1-y is 15 mm-25 mm; and/or the maximum size of the projection of the diameter of the compressor capacitor (7) in the assembly reference plane of the third mounting area (4) is n, the size of the third mounting area (4) in the same direction with the maximum size is the width x2 of the third mounting area (4), and n-x2 is 5-10 mm.

7. The appliance box according to claim 4, characterized in that an avoidance slot (8) is provided in the third mounting area (4), the avoidance slot (8) being configured to accommodate the compressor capacitance (7); and/or a protective rib (9) is arranged in the third mounting area (4), and the protective rib (9) is configured to limit the compressor capacitor (7); and/or a first fixing hole (10) is arranged in the third mounting area (4), and the first fixing hole (10) is configured to fix the compressor capacitor (7).

8. The electrical box according to claim 1, characterized in that the box body (1) is provided with outlets, and the outlets are provided with waterproof structures.

9. The electrical box according to claim 8, characterized in that the outlet comprises a first outlet (11) and a second outlet (12), the first outlet (11) and the second outlet (12) are respectively disposed on the side wall of the box body (1), the first outlet (11) is provided with a first waterproof structure (15), and the second outlet (12) is provided with a second waterproof structure (16).

10. The electrical box according to claim 9, characterized in that the first waterproof structure (15) comprises at least two water-retaining walls (19), the at least two water-retaining walls (19) being respectively perpendicular to the routing direction, the wiring harness forming a return bend between the at least two water-retaining walls (19); the first waterproof structure (15) further comprises a water surrounding wall (20) arranged in parallel to the wiring direction; and/or the second waterproof structure (16) comprises at least one water retaining wall (19), and the at least one water retaining wall (19) is arranged on the second outlet (12) and is perpendicular to the routing direction.

11. The electrical box according to claim 9, characterized in that a transition box (21) is further disposed on an outer side of the box body (1), the transition box (21) is disposed corresponding to the second outlet (12), a wiring harness passing through the second outlet (12) is externally connected through the transition box (21), and a third outlet (13) and a fourth outlet (14) are disposed on the transition box (21).

12. The electrical box according to claim 11, wherein the third outlet (13) is provided with a third water-proofing structure (17), the third water-proofing structure (17) comprises at least one water-retaining wall (19) and a water-enclosing wall (20), the at least one water-retaining wall (19) is perpendicular to the routing direction, and the water-enclosing wall (20) is parallel to the routing direction; and/or a fourth waterproof structure (18) is arranged at the fourth wire outlet (14), the fourth waterproof structure (18) comprises at least two water retaining walls (19) and a water surrounding wall (20), the at least two water retaining walls (19) are respectively vertical to the wiring direction, and the water surrounding wall (20) is parallel to the wiring direction.

13. The electrical box according to claim 11, wherein a wire fixing structure (22) is arranged in the transition box (21), and the wire fixing structure (22) is configured to fix the wire harness in the transition box (21); and/or a first drainage notch (28) is arranged on the transition box (21).

14. The electrical box according to any of the claims 1 to 12, further comprising a box cover (31), wherein the box cover (31) is provided with a closing ring (23) wrapping the box body (1).

15. The electrical box according to claim 14, characterized in that when the electrical box comprises an outlet, a water-blocking rib (24) and a wire-pressing groove (25) are arranged on the box cover (31), the water-blocking rib (24) is arranged close to the outlet, and the water-blocking rib (24) is configured to prevent water drops from seeping into the box body (1); the wire pressing groove (25) is arranged corresponding to the wire outlet, and the wire pressing groove (25) is configured to press a wire harness of the wire outlet.

16. The electrical box according to any one of claims 1 to 12, characterized in that the box body (1) is further provided with at least one fixing foot (26), and the fixing foot (26) is provided with a second fixing hole (27) and a second drainage notch (30); and/or a third fixing hole (32) and a fourth fixing hole (33) are/is formed in the periphery of the box body (1).

17. The appliance box according to claim 16, wherein the fixing foot (26) is further provided with a wiring buckle (29).

18. An air conditioner, characterized in that an electrical box (34) according to any one of claims 1-17 is used.

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