CN219473824U - Electrical apparatus box and have its refrigeration plant - Google Patents

Abstract

The utility model provides an electrical box and refrigeration equipment with the same, wherein the electrical box comprises: the mounting plate is used for being connected with the assembly carrier; the sealing box comprises a box body and a cover body which is sealed and can be detachably assembled on a box body opening of the box body, wherein the box body is integrally formed on a first side surface of the mounting plate, and the sealing box is internally used for assembling an alternating current contactor; the first side of the mounting plate is also provided with a mounting area for mounting the control main board and/or the capacitor. The box body of the sealing box is integrally formed on the mounting plate, namely, the box body is used as an organic part of the mounting plate, and the two parts do not have later assembly requirements, so that when the electric box is assembled, the mounting plate and the box body which are respectively independent in the prior art do not need to be assembled and connected, the number of parts of the electric box is reduced, and the assembly process can be simplified to a certain extent.

Description

Electrical apparatus box and have its refrigeration plant

Technical Field

The utility model belongs to the technical field of electric box design, and particularly relates to an electric box and refrigeration equipment with the same.

Background

The refrigerating equipment such as air conditioner and refrigerator adopts refrigerant as its refrigerating medium, and the variety of refrigerant is more, and wherein partial refrigerant such as R32, R600A, R290 etc. all have flammability, and for the refrigerating equipment of the aforesaid flammable refrigerant, take the refrigerating equipment as the air conditioner example, the electrical apparatus box is arranged in the compressor room of the outer machine of air conditioner in many cases, and this can utilize the interval effect of compressor room and heat exchanger room to realize the certain protection to the electrical apparatus box. Aiming at the working condition that the refrigerant is the combustible refrigerant, the alternating current contactor in the electric appliance box is easy to generate sparks when the electric appliance box is controlled to act (such as current is conducted), and the generated sparks meet the combustible refrigerant which is likely to leak, so that great fire hazards exist.

Disclosure of Invention

Therefore, the utility model provides the electrical box and the refrigeration equipment with the electrical box, which can solve the technical problems of the prior art that the number of the assembly parts of the electrical box is large and the assembly process is complex.

In order to solve the above problems, the present utility model provides an electrical box comprising:

the mounting plate is used for being connected with the assembly carrier;

the sealing box comprises a box body and a cover body which is sealed and can be detachably assembled on a box body opening of the box body, wherein the box body is integrally formed on a first side surface of the mounting plate, and the sealing box is internally used for assembling an alternating current contactor;

the first side of the mounting plate is also provided with a mounting area for mounting the control main board and/or the capacitor.

In some embodiments of the present utility model, in some embodiments,

the box body and the mounting plate are integrally injection molded.

In some embodiments of the present utility model, in some embodiments,

the first side and the box body are rectangular, the installation area comprises a first rectangular area for installing the control main board and a second rectangular area for installing the capacitor, the first rectangular area and the box body are sequentially arranged adjacently along the first direction of the first side, the second rectangular area and the box body are sequentially arranged adjacently along the second direction of the first side, one of the first direction and the second direction is the length direction of the first side, and the other is the width direction of the first side.

In some embodiments of the present utility model, in some embodiments,

a clamping hook structure is arranged at the edge of the first rectangular area, and the peripheral edge of the control main board is in clamping connection with the mounting plate through the clamping hook structure; and/or a plurality of support columns are arranged on the inner side of the first rectangular area.

In some embodiments of the present utility model, in some embodiments,

the second rectangular area is internally provided with a threaded hole, and the capacitor is connected in the threaded hole through a bolt in a threaded manner; and/or an assembly through hole is arranged at the inner side or the outer side edge of the first rectangular area.

In some embodiments of the present utility model, in some embodiments,

the sealing ring is clamped between the box opening of the box and the cover body to realize sealing connection between the box and the cover body, a threading through hole for threading a cable is formed on the sealing ring, and one end of the cable is electrically connected with the alternating current contactor.

In some embodiments of the present utility model, in some embodiments,

the box body is characterized in that a notch penetrating through the inner side and the outer side of the box body is formed in the side wall of the opening of the box body, the sealing ring comprises a sealing ring body and a sealing baffle connected with the sealing ring body into a whole, the shape of the sealing baffle is matched with that of the notch, and the threading through hole is formed in the sealing baffle.

In some embodiments of the present utility model, in some embodiments,

the orifices on two sides of the threading through hole are bell mouths, and the large mouths of the bell mouths face to the outer side of the threading through hole; and/or the threading through holes are multiple, and the threading through holes are arranged at intervals along the width direction of the sealing baffle plate.

In some embodiments of the present utility model, in some embodiments,

the cover body faces to the end face of one side of the box body opening, an annular groove is formed in the end face of one side of the box body opening, the notch of the annular groove faces to one side of the box body opening, an annular boss is formed in the end face of one side of the cover body, when the cover body is assembled on the box body opening of the box body, the annular boss is inserted into the annular groove, a sealing gap is formed between the annular boss and the annular groove, and the sealing ring is clamped in the sealing gap.

In some embodiments of the present utility model, in some embodiments,

the cross section of the sealing gap is L-shaped, the cross section of the sealing ring body is L-shaped matched with the cross section of the sealing gap, and in the assembly direction of the cover body, the thickness of the sealing ring body is larger than that of the sealing gap.

The utility model also provides refrigeration equipment, which is provided with the electrical box.

In some embodiments of the present utility model, in some embodiments,

the refrigerating equipment is an air conditioner, and the electrical box is positioned in a compressor room of an external machine of the air conditioner.

The electrical box and the refrigeration equipment with the same provided by the utility model have the following beneficial effects:

the box body of the sealing box is integrally formed on the mounting plate, namely, the box body is used as an organic part of the mounting plate, and the two parts do not have later assembly requirements, so that when the electric appliance box is assembled, the mounting plate and the box body which are respectively independent in the prior art do not need to be assembled and connected, the number of parts of the electric appliance box is reduced, and the assembly process can be simplified to a certain extent;

in the prior art, corresponding sealing elements of a sealing box for assembling an alternating current contactor are respectively arranged for an opening of a box body and threading, and the respectively arranged sealing elements are sealed in a targeted manner, so that the number of the sealing elements is large, and on the other hand, the assembly efficiency is reduced;

through the cooperation between the cross section of the sealing washer body of L shape and the sealed clearance of L type to owing to the difference in thickness between them, make both after the equipment, form the extrusion on the lid direction to the sealing washer body, further promoted the sealing washer and to box body open-ended degree of sealing.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

Fig. 1 is an exploded view of an electrical box according to an embodiment of the present utility model;

FIG. 2 is an assembled front view of an electrical box according to an embodiment of the present utility model, showing an orientation in which it is mounted in a wall-mounted manner;

FIG. 3 is a schematic cross-sectional view through the inside of the case in the state of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3A, wherein the area indicated at C is the area of interference deformation of the seal ring body of the seal ring after assembly of the cover body and the case body;

FIG. 5 is a partial enlarged view at B in FIG. 3;

FIG. 6 is a bottom view of FIG. 2;

FIG. 7 is a schematic perspective view of the mounting plate of FIG. 1;

FIG. 8 is a side view of the seal ring of FIG. 1;

fig. 9 is a partial enlarged view at D in fig. 8.

The reference numerals are expressed as:

1. a mounting plate; 11. a hook structure; 12. a threaded hole; 13. assembling the through hole; 14. a support column;

21. a case body; 211. a notch; 212. an annular boss; 22. a cover body; 221. an annular groove;

3. a seal ring; 31. a threading through hole; 32. a seal ring body; 33. a sealing baffle;

100. an alternating current contactor; 101. a control main board; 102. a capacitor; 103. a cable.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. 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.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be understood that the term "and/or" as used herein is merely one relationship describing the association of the associated objects, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Referring to fig. 1 and 9 in combination, according to an embodiment of the present utility model, there is provided an electrical box including:

the mounting plate 1 is used for being connected with an assembly carrier, and taking the assembly carrier as an example, the assembly carrier is assembled in an outer machine compressor room of the air conditioner, and the assembly carrier is the inner side wall of a shell of the outer machine;

a sealing box (not labeled in the figure) comprising a box body 21 and a cover body 22 which is sealed and can be detachably assembled on a box body opening of the box body 21, wherein the box body 21 is integrally formed on a first side surface of the mounting plate 1, and the sealing box is used for assembling the alternating current contactor 100;

the first side of the mounting board 1 further has a mounting area for mounting the control motherboard 101 and/or the capacitor 102, where the control motherboard 101 is specifically a control board of an electrical device in the prior art, the main body of the control motherboard is a PCB board, and various components such as a chip, a resistor, a small capacitor, etc. are disposed on the control motherboard, and the ac contactor 100, the control motherboard 101, and the capacitor 102 are used as original components.

In the technical scheme, the box body 21 of the sealing box is integrally formed on the mounting plate 1, namely, the box body 21 of the sealing box is used as an organic part of the mounting plate 1, and the two parts do not have later assembly requirements, so that when the electric box is assembled, the mounting plate and the box body which are independent in the prior art are not required to be assembled and connected, the number of parts of the electric box is reduced, and the assembly process can be simplified to a certain extent.

It should be noted that, in the electrical box, the control main board 101 and the capacitor 102 are not in a relatively sealed box structure, but only the ac contactor 100 is sealed and arranged in the sealed box, so that on one hand, the hidden danger of fire hazard possibly caused by sparks generated by the ac contactor 100 when the ac contactor is electrified is satisfied, on the other hand, the control main board 101 and the capacitor 102 are in an open installation area, and the two are not sealed, so that heat can be effectively dissipated, and it can be understood that the whole IP protection level of the electrical box can be realized according to the installation environment, for example, when the electrical box is in an external compressor room of an air conditioner, the external machine shell forms protection for the electrical box.

In a preferred embodiment of the present utility model,

the box body 21 and the mounting plate 1 are integrally formed through injection molding, so that the forming difficulty is reduced. Specifically, it may be formed by integrally injection molding a plastic material having insulating properties, which is commonly used.

In some embodiments of the present utility model, in some embodiments,

referring to fig. 7, the first side and the case 21 are rectangular, the mounting area includes a first rectangular area for mounting the control motherboard 101 and a second rectangular area for mounting the capacitor 102, the first rectangular area and the case 21 are sequentially adjacent to each other along a first direction of the first side, the second rectangular area and the case 21 are sequentially adjacent to each other along a second direction of the first side, one of the first direction and the second direction is a length direction of the first side, and the other is a width direction of the first side, for example, when the first direction is the length direction of the first side, the second direction is the width direction of the first side, and vice versa. The rectangular shape is approximately similar to the shape of the conventional control main board 101, the alternating current contactor 100 and the capacitor 102, so that the arrangement of the control main board 101, the alternating current contactor 100 and the capacitor 102 on the electrical box is more regular and reasonable.

As shown in fig. 1 or fig. 7, in some embodiments, a hook structure 11 is disposed at an edge of the first rectangular area, and an outer peripheral edge of the control main board 101 is in a snap connection with the mounting board 1 through the hook structure 11.

In this technical scheme, the outer peripheral edge of the control main board 101 is connected with the mounting board 1 by the clip hook structure 11 to form a clip, which is very convenient for assembling. The hook structure 11 may be a cantilever hook with a certain elastic deformation capability, and has a corresponding guiding slope, so that the control motherboard 101 can force the cantilever hook to deform and enter the positioning area of the cantilever hook when being pressed down.

In another preferred embodiment, as shown in fig. 7, a plurality of support columns 14 are further disposed on the inner side of the first rectangular area, and the plurality of support columns 14 are disposed at intervals, so that reliable support on the back surface of the control main board 101 can be formed, and the support can also cooperate with the hook structure 11 to ensure that the position of the control main board 101 is more reliable and stable. More importantly, each support column 14 is supported on the back surface of the control motherboard 101, so that a space is formed between the back surface of the control motherboard 101 and the first rectangular area of the mounting board 1, and the space forms a space for airflow, so that heat accumulation possibly caused by the fact that the control motherboard 101 is closely attached to the mounting board 1 can be prevented.

With continued reference to fig. 7, in some embodiments, the second rectangular area has a threaded hole 12 therein, and the capacitor 102 is screwed into the threaded hole 12 by a bolt, so that the position of the capacitor 102 can be ensured to be reliable and stable;

an assembly through hole 13 may also be provided at the inner or outer edge of the first rectangular area, with a corresponding bolt piece enabling a detachable connection between the mounting plate 1 and a corresponding assembly carrier.

It can be appreciated that the inner and outer sides or outer edges of the first rectangular region and the second rectangular region are defined by planar structural regions.

Referring to fig. 1, a sealing ring 3 is clamped between the box opening of the box 21 and the cover 22 to realize sealing connection between the box 21 and the cover 22, a threading through hole 31 for threading a cable 103 is formed on the sealing ring 3, and one end of the cable 103 is electrically connected with the ac contactor 100.

In this technical solution, the threading through hole 31 for threading the cable 103 is directly formed on the sealing ring 3, whereas in the prior art, corresponding sealing elements of the sealing box for assembling the ac contactor 100 are respectively provided for the opening of the box body and threading, and the manner of targeted sealing of the sealing elements provided respectively makes the number of the sealing elements more on one hand, and reduces the assembly efficiency on the other hand.

In some embodiments, as shown in fig. 7, a notch 211 penetrating through the inner and outer sides of the box 21 is formed on the side wall of the opening of the box, further referring to fig. 8, the sealing ring 3 includes a sealing ring body 32 and a sealing baffle 33 integrally connected with the sealing ring body 32, wherein the sealing ring body 32 is used for being clamped between the box 21 and the cover 22 to form a seal for the opening of the box, the shape of the sealing baffle 33 matches the shape of the notch 211, and the threading through hole 31 is configured on the sealing baffle 33, that is, the sealing baffle 33 is used for forming a seal for the cable 103 passing through.

Referring specifically to fig. 9, in some embodiments, the openings on both sides of the threading through hole 31 are bell mouths, and the large mouths of the bell mouths are all facing the outside of the threading through hole 31, so that the threading through hole 31 forms a through hole with large diameters at both ends and small diameters in the middle, the large diameters at both ends facilitate the operator to pass through the cable 103 from any one end thereof, and the small diameters in the middle have larger deformability due to relatively smaller thickness, so that the complete package of the passing cable 103 can be realized, and the sealing effect is ensured. In a possible embodiment, the sealing ring 3 is a rubber sealing ring.

According to the actual working condition requirement, the threading through holes 31 are multiple, and the threading through holes 31 are arranged at intervals along the width direction of the sealing baffle 33. The width of the sealing barrier 33 is specifically about the orientation shown in fig. 6.

The caliber of the plurality of threading through holes 31 arranged at intervals in a line is matched with the outer diameter of each threading cable 103, and the threading through holes are generally in interference fit, so that the lead-in and lead-out layout of the cables 103 is tidier and more regular.

Referring to fig. 4, in some embodiments, an annular groove 221 is formed on an end surface of the cover 22 facing the opening of the case, and a notch of the annular groove 221 faces the opening of the case, an annular boss 212 is formed on an end surface of an outer peripheral wall of the opening of the case facing the cover 22, and when the cover 22 is assembled on the opening of the case 21, the annular boss 212 is inserted into the annular groove 221, a sealing gap is formed between the annular boss 212 and the annular groove 221, and the sealing ring 3 is clamped in the sealing gap.

In this technical scheme, after the cartridge is formed between annular groove 221 and annular boss 212, form sealed clearance between the two, so inlay sealing washer 3 in this sealed clearance to when making sealing washer 3 exert sealed effect, can also guarantee simultaneously that sealing washer 3's position is reliable stable.

Referring further to fig. 4, the cross section of the sealing gap is L-shaped, that is, the groove width of the annular groove 221 is slightly larger than the width of the annular boss 212, the groove depth of the annular groove 221 is slightly larger than the height of the boss 212, and the inner groove wall of the annular groove 221 and the inner wall of the annular boss 212 form a fit after assembly, so that the cross section of the sealing gap is L-shaped, meanwhile, the cross section of the sealing ring body 32 is L-shaped matching the cross section of the sealing gap, and the thickness of the sealing ring body 32 is larger than the thickness of the sealing gap in the assembly direction of the cover body 22.

In this technical scheme, through the cooperation between the cross section of the sealing washer body 32 of L shape and the sealed clearance of L type to because the difference in thickness between them, make both after the equipment, form the extrusion on the lid direction to the sealing washer body 32, namely the position pointed out in C in fig. 4, further promoted the degree of sealing washer 3 to the box body open-ended.

As shown in fig. 5, at the position of the notch 211, the annular boss 212 is replaced by a U-shaped groove, and the edge of the sealing baffle 33 is embedded in the U-shaped groove, so as to ensure the sealing effect between the sealing baffle 33 and the notch 211.

According to an embodiment of the utility model, there is also provided a refrigeration apparatus having the above electrical box. The refrigerating apparatus may be an air conditioner, a refrigerator, or the like, in which a flammable refrigerant is used as a refrigerant. When the refrigeration equipment is an air conditioner, the electric box is positioned in a compressor room of an external machine of the air conditioner, so that the electric box does not need to completely form a sealing structure, but only needs to be provided with the electric box for sealing the sealing box assembled in the electric box.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model. The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (12)

1. An electrical box comprising a mounting plate (1), the mounting plate (1) being adapted to be connected to an assembly carrier; the electric appliance box is characterized by further comprising:

the sealing box comprises a box body (21) and a cover body (22) which is sealed and can be detachably assembled on a box body opening of the box body (21), wherein the box body (21) is integrally formed on a first side surface of the mounting plate (1), and the sealing box is internally used for assembling an alternating current contactor (100);

the first side of the mounting plate (1) is also provided with a mounting area for mounting a control main board (101) and/or a capacitor (102).

2. The electrical box according to claim 1, wherein,

the box body (21) and the mounting plate (1) are integrally injection molded.

3. The electrical box according to claim 1, wherein,

the shape of the first side face and the shape of the box body (21) are rectangular, the installation area comprises a first rectangular area for installing the control main board (101) and a second rectangular area for installing the capacitor (102), the first rectangular area and the box body (21) are sequentially arranged adjacently along the first direction of the first side face, the second rectangular area and the box body (21) are sequentially arranged adjacently along the second direction of the first side face, one of the first direction and the second direction is the length direction of the first side face, and the other is the width direction of the first side face.

4. An electrical box according to claim 3, wherein,

a clamping hook structure (11) is arranged at the edge of the first rectangular area, and the outer peripheral edge of the control main board (101) is in clamping connection with the mounting board (1) through the clamping hook structure (11); and/or, a plurality of support columns (14) are arranged on the inner side of the first rectangular area.

5. An electrical box according to claim 3, wherein,

the second rectangular area is internally provided with a threaded hole (12), and the capacitor (102) is connected in the threaded hole (12) through a bolt thread; and/or an assembly through hole (13) is arranged at the inner side or the outer side edge of the first rectangular area.

6. The electrical box according to claim 1, wherein,

the novel alternating current contactor is characterized in that a sealing ring (3) is clamped between a box opening of the box (21) and the cover (22) to realize sealing connection between the box (21) and the cover (22), a threading through hole (31) for penetrating a cable (103) is formed in the sealing ring (3), and one end of the cable (103) is electrically connected with the alternating current contactor (100).

7. The electrical box according to claim 6, wherein,

the side wall of the box body opening is provided with a notch (211) penetrating through the inner side and the outer side of the box body (21), the sealing ring (3) comprises a sealing ring body (32) and a sealing baffle plate (33) connected with the sealing ring body (32) into a whole, the shape of the sealing baffle plate (33) is matched with that of the notch (211), and the threading through hole (31) is formed in the sealing baffle plate (33).

8. The electrical box according to claim 7, wherein,

the orifices on two sides of the threading through hole (31) are bell mouths, and the large mouths of the bell mouths face to the outer side of the threading through hole (31); and/or the threading through holes (31) are provided in plurality, and the plurality of threading through holes (31) are arranged at intervals in a straight line along the width direction of the sealing baffle plate (33).

9. The electrical box according to claim 7, wherein,

the cover body (22) is towards be formed with annular groove (221) on the terminal surface of box body open side, just the notch of annular groove (221) is towards one side of box body open side, box body open-ended periphery wall body is towards be formed with annular boss (212) on the terminal surface of one side of cover body (22), when lid body (22) equipment in on the box body opening of box body (21), annular boss (212) cartridge in annular groove (221), just annular boss (212) with be formed with sealed clearance between annular groove (221), sealing washer (3) be clamped in the sealed clearance.

10. The electrical box according to claim 9, wherein,

the cross section of the sealing gap is L-shaped, the cross section of the sealing ring body (32) is L-shaped matched with the cross section of the sealing gap, and in the assembly direction of the cover body (22), the thickness of the sealing ring body (32) is larger than that of the sealing gap.

11. A refrigeration device characterized by having the electrical box of any one of claims 1 to 10.

12. A refrigeration device according to claim 11, wherein,

the refrigerating equipment is an air conditioner, and the electrical box is positioned in a compressor room of an external machine of the air conditioner.