Electrical shell and electrical equipment

Abstract

The utility model provides an electrical housing and electrical equipment, and belongs to the technical field of electrical equipment, and the electrical housing comprises a housing main body and a surface cover assembly. The front end face of the shell body is an opening face, and a fan assembly and an electronic control element are arranged on the opening face in the shell body. The surface cover assembly is buckled on the opening surface and blocks the opening surface; the surface cover assembly comprises a grating surface cover and a control surface cover; one side surface of the grating surface cover is spliced with one side surface of the control surface cover; the grating surface cover is located in front of the fan assembly, and the grating surface cover is detachably connected with the opening surface; and the control surface cover is positioned in front of the electronic control element and is electrically connected with the electronic control element. When the fan assembly is maintained, only the grating surface cover needs to be disassembled and assembled, the electronic control element does not need to be disconnected, and the disassembly, assembly and maintenance efficiency is improved; and during maintenance operation, the electronic control element is shielded by the control surface cover, so that dust and other impurities can be prevented from being attached, and the influence on the electronic control element is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical equipment, and more specifically, relates to an electrical housing and electrical equipment. Background Art

[0002] The housing of the electrical equipment is equipped with electronic components and heat dissipation components. The heat dissipation components generally include a radiator and a fan. The radiator absorbs the heat of the electronic components, and the fan is located on the air inlet side of the electronic components to supply cold air to the radiator. Some electrical equipment is also equipped with electronic control components and a control panel cover. In order to facilitate manual operation, the control panel cover is installed at the front end of the housing.

[0003] For some highly integrated electrical equipment, such as power modules, fans and electronic control components are all assembled on the front of the shell, and the front end of the shell is detachably connected with a cover, which is electrically connected to the electronic control components and seals the fan and the electronic control components.

[0004] Since the fan requires regular maintenance, the cover and the connection with the electronic control components need to be removed during maintenance operations, which makes the maintenance operation complicated and inefficient. In addition, after the cover is removed, dust and other impurities will adhere to the electronic control components, affecting their stability. Utility Model Content

[0005] The utility model aims to provide an electrical housing and an electrical device, aiming to solve the technical problem in the prior art that the surface cover disassembly and assembly operation is complicated when maintaining a fan.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide an electrical housing, comprising:

[0007] Shell body; the front end face of the shell body is an opening face, and a fan assembly and an electronic control element are arranged in the shell body at the opening face;

[0008] A face cover assembly is buckled on the opening surface and blocks the opening surface; the face cover assembly includes a grille face cover and a control face cover; one side of the grille face cover is spliced ​​with one side of the control face cover; wherein the grille face cover is located in front of the fan assembly, and the grille face cover is detachably connected to the opening surface; the control face cover is located in front of the electronic control element, and is electrically connected to the electronic control element.

[0009] In a possible implementation, a boss is provided on the spliced ​​side surface of the control surface cover, the boss extends along the height direction of the control surface cover, and the boss protrudes toward the inner cavity of the grille surface cover.

[0010] In some embodiments, the inner cavity of the grille cover is provided with a vertical baffle, and the vertical baffle is close to the splicing side surface of the grille cover; the outer side surface of the vertical baffle abuts against the outer side surface of the boss.

[0011] In a possible implementation, a guide block is provided on the spliced ​​side surface of the control surface cover, the guide block protrudes toward the inner cavity of the grille surface cover, and the guide block has a forward guide surface.

[0012] In a possible implementation, the spliced ​​side surface of the control surface cover includes a first upper inclined surface and a first lower inclined surface connected in sequence, and the first upper inclined surface and the first lower inclined surface are arranged at an angle;

[0013] The spliced ​​side surface of the grille cover includes a second upper slope and a second lower slope connected in sequence, the second upper slope and the second lower slope are arranged at an angle, the second upper slope is spliced ​​with the first upper slope, and the second lower slope is spliced ​​with the first lower slope.

[0014] In a possible implementation, the rear side wall of the grille surface cover and the opening surface, as well as the rear side wall of the control surface cover and the opening surface are detachably connected via a snap-fit ​​structure; the rear side wall of the control surface cover and the opening surface are also connected via a screw structure.

[0015] In some embodiments, a screw connection platform is provided on the splicing side surface of the control surface cover, and the screw connection platform protrudes toward the inner cavity of the grille surface cover; and the screw connection structure is arranged on the screw connection platform.

[0016] In a possible implementation, the electrical housing further includes:

[0017] A handle assembly is connected to the side wall of the shell body; the front end of the handle assembly extends forward to the front of the face cover assembly, and an avoidance gap exists between the handle assembly and the outer peripheral wall of the face cover assembly.

[0018] In some embodiments, the handle assembly includes:

[0019] A connecting plate connected to the side wall of the shell body; a front end of the connecting plate protrudes toward the periphery of the shell body to form an extension portion; and

[0020] The U-shaped handle is connected to the extension portion and has the avoidance gap with the outer peripheral wall of the face cover assembly.

[0021] The beneficial effects of the electrical housing provided by the utility model are as follows: compared with the prior art, the electrical housing of the utility model, the surface cover assembly includes a grille surface cover and a control surface cover, the grille surface cover is located in front of the fan assembly, can seal the fan assembly, and the grille surface cover is detachably connected to the opening surface, the control surface cover is located in front of the electronic control component, can seal the electronic control component; when maintaining the fan assembly, it is only necessary to disassemble and assemble the grille surface cover, and there is no need to disconnect the electronic control component, thereby improving the disassembly and maintenance efficiency; and during maintenance operations, the electronic control component is shielded by the control surface cover, which can prevent dust and other impurities from adhering, thereby reducing the impact on the electronic control component.

[0022] The utility model also provides an electrical device, comprising the electrical housing mentioned above.

[0023] The electrical equipment provided by the utility model can improve the efficiency of maintenance operations and reduce the impact on electronic control components because the electrical housing is adopted. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 A schematic diagram of the structure of an electrical housing provided in an embodiment of the utility model;

[0026] Figure 2 A schematic diagram of the exploded structure of an electrical housing provided in an embodiment of the utility model;

[0027] Figure 3 Schematic diagram of the exploded structure of the grille cover and control cover of the electrical housing provided by the embodiment of the utility model Figure 1 ;

[0028] Figure 4 Schematic diagram of the exploded structure of the grille cover and control cover of the electrical housing provided by the embodiment of the utility model Figure 2 ;

[0029] Figure 5 A schematic diagram of the front structure of the shell body of the electrical shell provided by an embodiment of the utility model;

[0030] Figure 6 for Figure 1 Schematic diagram of the enlarged structure at the center circle A.

[0031] In the figure:

[0032] 1. Shell body; 11. Fixed plate;

[0033] 2. Grille cover; 21. Vertical baffle; 22. Second upper inclined surface; 23. Second lower inclined surface;

[0034] 3. Control surface cover; 31. Guide block; 32. Boss; 33. First upper inclined surface; 34. First lower inclined surface;

[0035] 4. Fan assembly;

[0036] 5. Electronic control components;

[0037] 61. Card connection block; 62. Card hole;

[0038] 7. Screw connection structure; 71. Screw connection platform; 72. Screw hole;

[0039] 8. Handle assembly; 81. U-shaped handle; 82. Connecting plate; 821. Extension portion. DETAILED DESCRIPTION

[0040] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] Please also read Figure 1 and Figure 2 The electrical housing provided by the utility model is now described. The electrical housing includes a housing body 1 and a cover assembly. The front end face of the housing body 1 is an opening face, and a fan assembly 4 and an electronic control element 5 are arranged in the housing body 1 at the opening face; the cover assembly is buckled on the opening face and blocks the opening face; the cover assembly includes a grille cover 2 and a control cover 3; one side of the grille cover 2 is spliced ​​with one side of the control cover 3; wherein the grille cover 2 is located in front of the fan assembly 4, and the grille cover 2 is detachably connected to the opening face; the control cover 3 is located in front of the electronic control element 5, and is electrically connected to the electronic control element 5.

[0042] The shell body 1 is a shell structure of an electrical device, generally in the shape of a hexahedron, and includes two side panels, a bottom panel, a top panel, and a back panel; the inner cavity of the shell body 1 is provided with other electronic devices in addition to the fan assembly 4 and the electronic control component 5. The fan assembly 4 is located at the opening surface, i.e., in front of the electronic device, and is used to supply cold air to the electrical device; the electronic control component 5 is also located at the opening surface, so as to be electrically connected to the control surface cover 3, which is convenient for personnel to operate. Preferably, the fan assembly 4 and the electronic control component 5 are spaced apart along the action direction of the shell body 1, so the grille cover 2 and the control surface cover 3 are also spaced apart along the left and right direction of the shell body 1.

[0043] It should be noted that the opening surface defined above is the front face of the shell body 1 because the fan assembly 4 is generally installed on the air inlet side of the electronic device and because the control surface cover 3 facing forward makes manual operation more convenient. However, when the electrical housing is used and fixed, the opening surface can face forward or in other directions, that is, the opening surface can be any surface of the shell body 1. This embodiment defines the opening surface as the front face of the shell body 1 only for the convenience of explaining the positional relationship between the surface cover assembly and the fan assembly 4 and the electronic control element 5.

[0044] The grille cover 2 and the control cover 3 are both cover structures with a certain thickness. In other words, the grille cover 2 and the control cover 3 both have an inner cavity. The grille cover 2 is provided with a grille structure, and the control cover 3 is provided with a control panel. The grille cover 2 is detachably connected to the opening surface, and specifically, a snap-on structure or a plug-in structure can be adopted to facilitate quick disassembly. The control cover 3 is also preferably detachably connected to the opening surface.

[0045] One side of the grille cover 2 is spliced ​​with one side of the control cover 3. To ensure the aesthetics of the cover assembly, there is no gap or only a very small gap at the splicing of the grille cover 2 and the control cover 3. It should be noted that the grille cover 2 and the control cover 3 are only spliced, and there is no connection between the two. The grille cover 2 and the control cover 3 can be separated from the shell body 1 independently, so that the grille cover 2 can be removed separately to clean and maintain the fan assembly 4.

[0046] Compared with the prior art, the electrical housing provided by the utility model has a cover assembly including a grille cover 2 and a control cover 3; the grille cover 2 is located in front of the fan assembly 4 and can block the fan assembly 4, and the grille cover 2 is detachably connected to the opening surface; the control cover 3 is located in front of the electronic control element 5 and can block the electronic control element 5; when maintaining the fan assembly 4, it is only necessary to disassemble and assemble the grille cover 2 without disconnecting the electronic control element 5, thereby improving the disassembly and maintenance efficiency; and during maintenance operations, the electronic control element 5 is shielded by the control cover 3, which can prevent dust and other impurities from adhering, thereby reducing the impact on the electronic control element 5.

[0047] In some embodiments, the control cover 3 and the grille cover 2 may be connected by Figure 3 and Figure 4 The structure shown, see Figure 3 and Figure 4 A boss 32 is provided on the splicing side surface of the control surface cover 3 , the boss 32 extends along the height direction of the control surface cover 3 , and the boss 32 protrudes toward the inner cavity of the grille surface cover 2 .

[0048] The boss 32 extends along the height direction of the control surface cover 3, and the height direction can be regarded as the up-down direction. Since the boss 32 protrudes toward the inner cavity of the grille surface cover 2, the boss 32 can cover the joint gap between the grille surface cover 2 and the control surface cover 3, making the appearance of the surface cover assembly beautiful and further preventing dust and other impurities from entering the control surface cover 3.

[0049] See also Figure 4 On the basis of the above embodiment, the inner cavity of the grille cover 2 is provided with a vertical baffle 21, which is close to the splicing side of the grille cover 2; the outer side of the vertical baffle 21 abuts against the outer side of the boss 32.

[0050] The vertical baffle 21 is used to separate the inner cavity of the grille cover 2. The vertical baffle 21 is equivalent to a shielding plate at the spliced ​​side of the grille cover 2 to block the inner cavity of the grille cover 2 in the left and right directions. The vertical baffle 21 cooperates with the boss 32 to further isolate the inner cavity of the grille cover 2 from the inner cavity of the control cover 3, thereby preventing impurities in the air flow entering from the grille cover 2 from entering the inner cavity of the control cover 3.

[0051] In addition, the vertical baffle 21 abuts against the boss 32 in the left-right direction. In addition to the left-right positioning of the spliced ​​side surfaces of the grille cover 2 and the control cover 3, the vertical baffle 21 and the boss 32 also play a left-right positioning role to ensure that the grille cover 2 is installed in place in the left-right direction.

[0052] During maintenance, only the grille cover 2 is removed. In order to facilitate the positioning of the grille cover 2, in some embodiments, the control cover 3 and the grille cover 2 may be connected by a Figure 3 and Figure 4 The structure shown, see Figure 3 and Figure 4 A guide block 31 is provided on the splicing side of the control surface cover 3, and the guide block 31 protrudes toward the inner cavity of the grille surface cover 2, and the guide block 31 has a forward guide surface. The guide surface can be a curved surface or an inclined surface.

[0053] The guide block 31 is used to guide the installation of the grille cover 2. When the inner cavity top wall or the inner cavity bottom wall of the grille cover 2 abuts against the guide surface of the guide block 31, it indicates that the grille cover 2 is positioned in the height direction of the shell body 1. Then the grille cover 2 is pushed backward to complete the installation.

[0054] In addition to guiding the grille cover 2 for installation, the guide block 31 also serves to limit the upper and lower positions of the grille cover 2. When the grille cover 2 is installed in place, the inner cavity wall of the grille cover 2 abuts against the guide block 31 in the upper and lower directions to limit the upper and lower positions of the grille cover 2.

[0055] Preferably, the guide block 31 can be formed with the aid of the boss 32, i.e., the top and bottom surfaces of the boss 32 are provided with guide blocks 31 respectively; wherein, after the grille cover 2 is assembled, the guide block 31 located above abuts against the top wall of the inner cavity of the grille cover 2, and the guide block 31 located below abuts against the bottom wall of the inner cavity of the grille cover 2.

[0056] In some embodiments, the splicing side of the control surface cover 3 and the splicing side of the grille surface cover 2 can be connected by the following method: Figure 3 and Figure 4 The structure shown, see Figure 3 and Figure 4 The spliced ​​side surface of the control surface cover 3 includes a first upper inclined surface 33 and a first lower inclined surface 34 connected in sequence, and the first upper inclined surface 33 and the first lower inclined surface 34 are set at an angle; the spliced ​​side surface of the grille surface cover 2 includes a second upper inclined surface 22 and a second lower inclined surface 23 connected in sequence, and the second upper inclined surface 22 and the second lower inclined surface 23 are set at an angle, and the second upper inclined surface 22 is spliced ​​with the first upper inclined surface 33, and the second lower inclined surface 23 is spliced ​​with the first lower inclined surface 34.

[0057] The second upper inclined surface 22 and the second lower inclined surface 23 are arranged at an angle, so that the spliced ​​side surface of the grille cover 2 is a folded surface structure. Compared with the spliced ​​side surface being a flat structure, the spliced ​​side surface of the folded surface structure makes it easier to position and align the grille cover 2 with the control cover 3 in the up and down directions and left and right directions when installing the grille cover 2, thereby simplifying the installation operation; in addition, the spliced ​​side surface of the folded surface structure also makes the overall appearance of the cover assembly beautiful.

[0058] In some embodiments, the grille cover 2 and the opening surface of the shell body 1, and the control cover 3 and the opening surface of the shell body 1 can be connected by the following method: Figure 3 , Figure 4 and Figure 5 The connection structure shown is shown in Figure 3 , Figure 4 and Figure 5 The rear side wall of the grille cover 2 is detachably connected to the opening surface via a snap-fit ​​structure. The rear side wall of the control cover 3 is connected to the opening surface via a snap-fit ​​structure and a screw-fit structure 7.

[0059] The clamping structure includes a clamping block 61 and a clamping hole 62 corresponding to the clamping block 61. Specifically, the clamping block 61 is arranged on the rear side wall of the grille cover 2 and the rear side wall of the control cover 3, and the clamping hole 62 is arranged on the opening surface; or, the positions of the clamping block 61 and the clamping hole 62 are swapped, the clamping block 61 is arranged on the opening surface, and the clamping hole 62 is opened on the rear side wall of the grille cover 2 and the rear side wall of the control cover 3.

[0060] In order to facilitate the disassembly and assembly of the grille cover 2, the clamping block 61 is preferably arranged on the rear side wall of the grille cover 2. In addition, a fixing plate 11 is arranged at the opening surface, and the fixing plate 11 is used to fix the fan assembly 4. The upper edge and the lower edge of the fixing plate 11 are respectively provided with a clearance groove, and the groove side wall of the clearance groove and the upper edge / lower edge of the opening surface form the above-mentioned clamping hole 62.

[0061] It should be noted that after the grille cover 2 and the shell body 1 are assembled, and after the control cover 3 and the shell body 1 are assembled, the snap-fit ​​structure is completely hidden.

[0062] The screw connection structure 7 includes a threaded fastener and a screw hole 72 formed on the fixing plate 11 .

[0063] The rear side wall of the grille cover 2 is detachably connected to the opening surface via a snap-fit ​​structure, so that the grille cover 2 can be easily disassembled. The control cover 3 is not often disassembled, and the rear side wall of the control cover 3 is connected to the opening surface via a snap-fit ​​structure and a screw-fit structure 7, so as to ensure that the control cover 3 is stable after installation and maintains good electrical connection with the electronic control element 5.

[0064] See also Figure 3 and Figure 4 On the basis of the above-mentioned embodiment, a screw connection platform 71 is provided on the splicing side of the control surface cover 3 , and the screw connection platform 71 protrudes toward the inner cavity of the grille surface cover 2 ; the screw connection structure 7 is arranged on the screw connection platform 71 .

[0065] The screw connection platform 71 protrudes toward the inner cavity of the grille surface cover 2 , and the screw connection platform 71 is not blocked by the control surface cover 3 . After the grille surface cover 2 is removed, the screw connection platform 71 is exposed to facilitate the disassembly and assembly operations of the screw connection structure 7 .

[0066] In some embodiments, the electrical housing may also be Figure 1 and Figure 6 The structure shown, see Figure 1 and Figure 6 The electrical housing further comprises a handle assembly 8. The handle assembly 8 is connected to the side wall of the housing body 1; the front end of the handle assembly 8 extends forward to the front of the cover assembly, and there is an avoidance gap between the handle assembly 8 and the outer peripheral wall of the cover assembly.

[0067] The electrical housing can be assembled inside a cabinet. When assembling the electrical housing, the handle assembly 8 is used for holding by a person to facilitate installation, removal and holding of the electrical housing. Preferably, two groups of handle assemblies 8 are provided, and the two groups of handle assemblies 8 are respectively connected to the left and right walls of the housing body 1.

[0068] After the face cover assembly and the handle assembly 8 are respectively assembled with the shell body 1, there is an avoidance gap between the handle assembly 8 and the outer peripheral wall of the face cover assembly, that is, in the front and rear directions, no part of the handle assembly 8 will block the face cover assembly, and when the grille face cover 2 and / or the control face cover 3 are disassembled, the handle assembly 8 will not interfere with the grille face cover 2 and the control face cover 3. Therefore, the grille face cover 2 and / or the control face cover 3 can be removed forward without removing the handle assembly 8, thereby improving the disassembly and assembly efficiency of the face cover assembly.

[0069] In some embodiments, the handle assembly 8 may be configured as follows: Figure 1 and Figure 6 The structure shown, see Figure 1 and Figure 6 The handle assembly 8 includes a connecting plate 82 and a U-shaped handle 81. The connecting plate 82 is connected to the side wall of the shell body 1. The front end of the connecting plate 82 protrudes toward the periphery of the shell body 1 to form an extension portion 821. The U-shaped handle 81 is connected to the extension portion 821, and there is the above-mentioned avoidance gap between the U-shaped handle 81 and the outer peripheral wall of the face cover assembly.

[0070] The connecting plate 82 is used to be fixed on the side wall of the shell body 1. Specifically, the connecting plate 82 abuts against the side wall of the shell body 1, and the two are connected by bolts. The front end of the connecting plate 82 protrudes outward to form an extension part 821. Specifically, the extension part 821 is divided into two groups, which are respectively formed at the front end upper part and the front end lower part of the connecting plate 82. The two groups of extension parts 821 are used to connect with the two ends of the U-shaped handle 81.

[0071] Based on the same inventive concept, an embodiment of the present application further provides an electrical device, including the above-mentioned electrical housing.

[0072] The electrical equipment provided by the utility model can improve the efficiency of maintenance operations and reduce the impact on the electronic control element 5 because it adopts the above-mentioned electrical housing.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electrical housing, characterized in that: include: A shell body (1); the front end surface of the shell body (1) is an open surface, and a fan assembly (4) and an electronic control element (5) are provided in the shell body at the open surface; A cover assembly is buckled on the opening surface and blocks the opening surface; the cover assembly comprises a grille cover (2) and a control cover (3); one side of the grille cover (2) is spliced ​​with one side of the control cover (3); wherein the grille cover (2) is located in front of the fan assembly (4), and the grille cover (2) is detachably connected to the opening surface; the control cover (3) is located in front of the electronic control element (5), and is electrically connected to the electronic control element (5).

2. The electrical housing according to claim 1, characterized in that: A boss (32) is provided on the spliced ​​side surface of the control surface cover (3), the boss (32) extends along the height direction of the control surface cover (3), and the boss (32) protrudes toward the inner cavity of the grille surface cover (2).

3. The electrical housing according to claim 2, characterized in that: The inner cavity of the grille cover (2) is provided with a vertical baffle (21), and the vertical baffle (21) is close to the spliced ​​side surface of the grille cover (2); the outer side surface of the vertical baffle (21) abuts against the outer side surface of the boss (32).

4. The electrical housing according to claim 1, wherein: A guide block (31) is provided on the spliced ​​side surface of the control surface cover (3), the guide block (31) protrudes toward the inner cavity of the grille surface cover (2), and the guide block (31) has a forward guide surface.

5. The electrical housing according to claim 1, wherein: The spliced ​​side surface of the control surface cover (3) comprises a first upper inclined surface (33) and a first lower inclined surface (34) which are connected in sequence, and the first upper inclined surface (33) and the first lower inclined surface (34) are arranged at an angle; The spliced ​​side surface of the grille cover (2) comprises a second upper inclined surface (22) and a second lower inclined surface (23) which are connected in sequence, the second upper inclined surface (22) and the second lower inclined surface (23) are arranged at an angle, the second upper inclined surface (22) is spliced ​​with the first upper inclined surface (33), and the second lower inclined surface (23) is spliced ​​with the first lower inclined surface (34).

6. The electrical housing according to claim 1, wherein: The rear side wall of the grille surface cover (2) and the opening surface, as well as the rear side wall of the control surface cover (3) and the opening surface are detachably connected via a snap-fit ​​structure; the rear side wall of the control surface cover (3) and the opening surface are also connected via a screw-fit structure (7).

7. The electrical housing according to claim 6, characterized in that: A screw connection platform (71) is provided on the splicing side surface of the control surface cover (3), and the screw connection platform (71) protrudes toward the inner cavity of the grille surface cover (2); the screw connection structure (7) is arranged on the screw connection platform (71).

8. The electrical housing according to claim 1, wherein: The electrical housing further comprises: A handle assembly (8) is connected to the side wall of the shell body (1); the front end of the handle assembly (8) extends forward to the front of the face cover assembly, and there is an avoidance gap between the handle assembly (8) and the outer peripheral wall of the face cover assembly.

9. The electrical housing according to claim 8, characterized in that: The handle assembly (8) comprises: A connecting plate (82) connected to the side wall of the shell body (1); the front end of the connecting plate (82) protrudes toward the periphery of the shell body (1) to form an extension portion (821); and The U-shaped handle (81) is connected to the extension portion (821) and has the avoidance gap between it and the outer peripheral wall of the face cover assembly.

10. An electrical device, characterized in that: The invention comprises the electrical housing as claimed in any one of claims 1 to 9.

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