CN204830247U - Supplementary electrical apparatus box and air condensing units - Google Patents

Abstract

The utility model provides an auxiliary electrical box and an air conditioner outdoor unit. The auxiliary electrical box includes a box body and a box cover arranged on the box body. The box body has a side cover plate and is arranged on the side An upper cover plate on the top of the cover plate, the upper cover plate has a top plate and a skirt arranged on the edge of the top plate, and the skirt edge is located on the outside of the side cover plate and the box cover. The auxiliary electrical box provided by the utility model is provided with an upper cover plate with a skirt, and the skirt is located outside the side cover plate and the box cover, so that the upper cover plate covers the side cover plate and the box cover , Increased the waterproof performance of the auxiliary electrical box, even if water falls on the upper cover, the water droplets will flow down the skirt and will not enter the interior of the auxiliary electrical box, which increases the waterproof effect.

Description

An auxiliary electrical box and an air conditioner outdoor unit

technical field

The utility model belongs to the technical field of air conditioners, in particular to an auxiliary electrical box and an air conditioner outdoor unit with the auxiliary electrical box.

Background technique

The small-frame models of the existing multi-connected air conditioner outdoor units are usually equipped with an inverter compressor. In order to improve the special performance of the air conditioner, a fixed-speed compressor needs to be added, and a set of electric control circuits needs to be added at this time. However, the internal space of the original electrical box is narrow and cannot hold the newly added components; if the volume of the original electrical box is increased to accommodate the newly added components, the casing of the outdoor unit also needs to be enlarged. In order to reduce the cost as much as possible, it is best to add an auxiliary electrical box at a suitable position inside the outdoor unit casing to realize the operation mode of the small frame machine with two compressors and make the structure of the outdoor unit casing compact.

In addition, the auxiliary electrical box should be dust-proof and waterproof, and the installation and fixing method of the electrical box can meet the requirements of long-distance transportation. It is convenient and convenient to disassemble and assemble the electrical box cover during maintenance.

Contents of the invention

The utility model provides an auxiliary electrical box, which is arranged in an outdoor unit of an air conditioner and is used for placing electric control components, and has good waterproof performance.

In order to achieve the above-mentioned technical purpose, the utility model adopts the following technical solutions to realize:

An auxiliary electrical box, which is arranged in an outdoor unit of an air conditioner. The auxiliary electrical box includes a box body and a box cover arranged on the box body. The box body has a side cover plate and is arranged on the side cover plate. The upper cover plate at the top, the upper cover plate has a top plate and a skirt arranged on the edge of the top plate, and the skirt edge is located on the outside of the side cover plate and the box cover.

Further, the top plate is an inclined surface from front to back.

Further, the angle between the plane where the top plate is located and the horizontal plane is 3°-7°.

Further, the box body also has a bottom plate arranged at the lower end of the side cover, and the bottom plate has a downward bottom flange; the lower end of the box cover is provided with a waterproof elastic component, and the waterproof elastic component is connected to the bottom plate The hems are in close contact.

Further, the waterproof elastic member is provided with notches.

Further, the flange of the bottom plate has a backward flange, and the flange has a downward flange, and the flange is fixed on the outdoor unit of the air conditioner.

Further, both sides of the side cover are provided with folded edges of the side cover, and the folded edges of the side cover are in contact with the box cover.

Further, the flange of the side cover and the box cover are fixed by screws.

Further, the two sides of the lid are provided with backward flaps, and the flaps are located on the outside of the side cover.

Further, the flange of the side cover has an extended lug, and the lug is provided with a screw hole for fixing with the box cover.

Further, screw holes for fixing with the box cover are provided on the flange of the side cover.

Further, the lower end of the box cover has a base, and the waterproof elastic component is fixed on the base.

Further, the upper cover is provided with a top bracket for fixing the auxiliary electrical box, and the top bracket has a first fixing part fixed to the upper cover, a second fixing part and the first fixing part fixed by the first fixing part. A third fixing part formed by bending one end of the two fixing parts, the second fixing part and the third fixing part are fixed on the air conditioner outdoor unit.

Further, the length of the first fixing part is greater than the length of the second fixing part.

Further, the height of the second fixing part is greater than the height of the third fixing part.

Further, the box body is welded or riveted.

Further, a mounting plate for mounting electric control components is arranged in the box.

Based on the aforementioned auxiliary electrical box, the utility model also provides an air conditioner outdoor unit, including a casing, and the above-mentioned auxiliary electrical box, main electrical box, variable frequency compressor and constant speed compressor arranged in the casing.

Further, a fixing plate for fixing the main electrical box and a bracket for fixing the pipeline in the refrigeration system are arranged in the casing, and the auxiliary electrical box is fixed on the fixing plate and the bracket.

The auxiliary electrical box provided by the utility model is provided with an upper cover plate with a skirt, and the skirt is located outside the side cover plate and the box cover, so that the upper cover plate covers the side cover plate and the box cover , Increased the waterproof performance of the auxiliary electrical box, even if water falls on the upper cover, the water droplets will flow down the skirt and will not enter the interior of the auxiliary electrical box, which increases the waterproof effect.

After reading the specific implementation of the utility model in conjunction with the accompanying drawings, other features and advantages of the utility model will become clearer.

Description of drawings

Fig. 1 is the structural representation of an embodiment of the auxiliary electric box that the utility model proposes;

Fig. 2 is a side view after the box cover is installed in Fig. 1;

Fig. 3 is a schematic diagram of the exploded structure of the box body in Fig. 1;

Fig. 4 is a schematic structural view of the side cover in Fig. 3;

Fig. 5 is a schematic structural view of the upper cover plate in Fig. 3;

Fig. 6 is a schematic structural view of the bottom plate in Fig. 3;

Fig. 7 is a schematic structural view of the top bracket in Fig. 3;

Fig. 8 is a schematic structural view of the lid in Fig. 1;

Fig. 9 is a structural schematic diagram of an air conditioner outdoor unit installed with an auxiliary electrical box;

Fig. 10 is a schematic structural diagram of the auxiliary electrical box in Fig. 9 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inner", "outer", "upper", "lower", "left", "right" etc. are based on the The positional relationship is only for the convenience of describing the utility model and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the utility model . In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

Referring to Fig. 1-Fig. 10, it is the auxiliary electrical box proposed by the utility model, the auxiliary electrical box 1 is arranged inside the outdoor unit of the air conditioner, the outdoor unit of the air conditioner has a casing 2, and the auxiliary electrical box 1 arranged in the casing 2, The main electrical box 3, the variable frequency compressor 4 and the fixed speed compressor 5, and the auxiliary electrical box 1 are used to place the electronic control components of the newly added fixed speed compressor 2.

Auxiliary electrical box 1 comprises box body 11 and the box cover 12 that is arranged on box body 11, and box body 11 has side cover plate 111, upper cover plate 112, and upper cover plate 112 is arranged on the top of side cover plate 111, and upper cover The board 112 has a top board 1121 and a skirt 1122 disposed on the edge of the top board 1121 , and the skirt 1122 is located outside the side cover board 111 and the box cover 12 .

In this embodiment, by setting the upper cover 112 with the skirt 1122, and the skirt 1122 is located on the outside of the side cover 111 and the box cover 12, so that the upper cover 112 covers the side cover 111 and the box cover 12 , thus increasing the waterproof performance of the auxiliary electrical box 1, even if water falls on the upper cover 112, the water droplets will flow down along the skirt 1122, and will not enter the inside of the auxiliary electrical box 1, which increases the waterproof effect.

Referring to Fig. 2, in order to further increase the waterproof performance of the auxiliary electrical box 1, the top plate 1121 is set to be inclined from front to back, that is, it is gradually inclined downward from front to back, so that when water drops fall on the top plate 1121, the water drops will flow smoothly. The slope of the top plate flows backward; avoiding the flow of water along the skirt 1122 to the lid 12, and then entering the gap between the lid 12 and the box body 11, and penetrating into the box body 11.

The inclination of the top plate 1121 does not need to be too large, and it is sufficient to set the angle between the plane where the top plate 1121 is located and the horizontal plane to be 3°-7°. In this embodiment, the included angle between the plane on which the top plate 1121 is disposed and the horizontal plane is 5°.

Referring to Fig. 1, Fig. 3, Fig. 6 and Fig. 8, in order to seal the box body 11, the box body 11 also has a bottom plate 113 arranged at the lower end of the side cover 111, and the bottom plate 113 is provided with a downward bottom plate flange 1131; A waterproof elastic component 121 is provided at the lower end of the box cover 12 , and the waterproof elastic component 121 is in close contact with the edge 1131 of the bottom plate. By arranging the waterproof elastic part 121, the waterproof and sealing performance between the lid 12 and the bottom plate 113 is increased, and water vapor is prevented from entering the box body 11; the contact between the bottom plate 113 and the waterproof elastic part 121 can be increased by setting the bottom plate flange 1131 Area, increase waterproof and sealing performance. The electronic control components installed in the auxiliary electrical box 1 have cables to communicate with the outside, so the waterproof elastic part 121 is provided with a notch for the cable to pass through. Since the waterproof elastic part 121 has elasticity, the notch is opened is smaller, so that there is no gap between the cable and the notch, and water vapor is prevented from entering from the gap between the cable and the box body 11 . The lower end of the box cover 12 has a base 122 on which the waterproof elastic component 121 is fixed.

In this embodiment, the box cover 12 is fixed on the box body 11 by screws, which reduces the space required when the box cover 12 is opened. Of course, the rotatable opening of the lid 12 or other opening and closing methods can also be set.

Referring to Fig. 4, in order to fix the box cover 12 and the box body 11 and increase the sealing performance, opposite side cover flaps 1111 are provided on both sides of the side cover 111, and the side cover flaps 1111 are in contact with the box cover 12 , and the side cover flange 1111 and the box cover 12 are fixed by screws, so that the box cover 12 is detachably fixed on the box body 11 . Since the auxiliary electrical box 1 is installed on the casing 2, it is closely attached to the edge of the casing 2. For the convenience of loading and unloading the box cover 12, there is a certain distance between the fixing position of the screw and the edge of the casing 2. Extended lugs 1112 are provided on the folded edge 1111 , and screw holes for fixing with the box cover 12 are provided on the lugs 1112 . In this embodiment, it is only necessary to set the extended lug 1112 on the right side cover flap 1111 , and directly set screw holes on the side cover flap 1111 on the left side.

In order to further increase the sealing performance, rearward lid flaps 123 are provided on both sides of the lid 12 , and the lid flaps 123 are located outside the side cover 111 .

A mounting plate 13 is also provided in the box body 11 , on which the electric control components of the newly added fixed-speed compressor 2 are fixed.

In order to increase the airtightness of the auxiliary electrical box 1 and increase the waterproof and dustproof performance, each part of the box body 11 is formed by welding or riveting; in this way, the inner space of the box body 11 is completely isolated from the outside to achieve waterproof and dustproof effects.

Referring to Figures 9 and 10, the auxiliary electrical box 1 is fixed in the casing 2, and the fixing plate 21 for fixing the main electrical box 3 and the bracket 22 for fixing the pipeline in the refrigeration system are arranged in the casing 2 , the upper end of the auxiliary electrical box 1 is fixed on the fixing plate 21 , and the lower end is fixed on the bracket 22 .

Referring to Fig. 6, Fig. 7 and Fig. 10, the end of the bottom plate flange 1131 has a backward flange 1132, and the end of the flange 1132 also has a downward flange 1133, and the flange 1133 is fixed on the on the bracket 22. A top bracket 114 for fixing the auxiliary electrical box 1 is arranged on the upper cover plate 112 , and the top bracket 114 is fixed on the fixing plate 21 by screws. Since the fixing plate 21 has an L-shaped bend here, the top bracket 114 is fixed on the L-shaped bend. The top bracket 114 has a first fixing part 1141 fixed to the upper cover 112, a second fixing part 1142 and a third fixing part 1143. The third fixing part 1143 is formed by bending one end of the second fixing part 1142. The second fixing portion 1142 and the third fixing portion 1143 are fixed on the L-shaped bend of the fixing plate 21 . The length of the first fixing portion 1141 is greater than the length of the second fixing portion 1142 , and the height of the second fixing portion 1142 is greater than the height of the third fixing portion 1143 . In this way, the auxiliary electrical box 1 is firmly fixed in the casing 2, which can meet the requirements of long-distance transportation.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. Equivalent embodiment. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the protection scope of the technical solution of the utility model.

Claims (10)

1. A kind of auxiliary electric box, is arranged in the outdoor unit of air conditioner, and described auxiliary electric box comprises box body and is arranged on the box cover on described box body, is characterized in that, described box body has side cover plate, sets The upper cover plate on the top of the side cover plate, the upper cover plate has a top plate and a skirt arranged on the edge of the top plate, and the skirt edge is located on the outside of the side cover plate and the box cover. 2. The auxiliary electrical box according to claim 1, wherein the top plate is an inclined surface from front to back. 3. The auxiliary electrical box according to claim 1, wherein the box body also has a bottom plate arranged at the lower end of the side cover, and the bottom plate has a downward bottom plate flanging; the lower end of the box cover is arranged There is a waterproof elastic part, and the waterproof elastic part is in close contact with the hem of the bottom plate. 4. The auxiliary electrical box according to claim 3, wherein the flange of the bottom plate has a backward flange, the flange has a downward flange, and the flange is fixed outside the air conditioner on board. 5 . The auxiliary electrical box according to claim 1 , characterized in that, both sides of the side cover have folded edges of the side cover, and the folded edges of the side cover are in contact with the box cover. 6 . The auxiliary electrical box according to claim 1 , wherein the two sides of the box cover are provided with backward flaps, and the flaps are located on the outside of the side cover. 7 . 7 . The auxiliary electrical box according to claim 6 , wherein the flange of the side cover has an extended lug, and the lug is provided with a screw hole for fixing with the box cover. 7 . 8. The auxiliary electrical box according to any one of claims 1 to 7, wherein a top bracket for fixing the auxiliary electrical box is provided on the upper cover, and the top bracket has a The first fixing part where the cover plate is fixed, the second fixing part and the third fixing part bent from one end of the second fixing part, the second fixing part and the third fixing part are fixed outside the air conditioner on board. 9. An air conditioner outdoor unit, characterized in that it comprises a casing, and the auxiliary electrical box, the main electrical box, the variable frequency compressor and the fixed speed compressor set in any one of claims 1 to 8 in the casing . 10. The air conditioner outdoor unit according to claim 9, wherein a fixing plate for fixing the main electrical box and a bracket for fixing the pipeline in the refrigeration system are arranged in the casing, and the auxiliary electrical box fixed on the fixed plate and the bracket.