Aluminum alloy splicing type control box

Abstract

The invention belongs to the technical field of control box structure manufacturing, and particularly relates to a spliced control box. According to the technical scheme, the aluminum alloy splicing type control box comprises a box body, a front cover plate, a connector assembly plate, a top cover plate, a fan plate, a bottom cover plate, a left cover plate, a wire blocking plate, a circuit module plug-in and a bus plate. The box body, the front cover plate, the connector assembly plate, the top cover plate, the fan plate, the bottom cover plate and the left cover plate are spliced to form the closed case, the conductive oxidation process is adopted for the plates forming the box body, the splicing positions are smeared with the conductive adhesive, an equipotential body is integrally formed, and the heat dissipation performance and the electromagnetic shielding capacity are good; by adopting the layout structure of the circuit module plug-in, the bus board and the wire blocking board, the circuit module can be quickly installed, and the box body slot has the functions of high modularization degree and good expandability.

Description

Technical Field

[0001] The present invention belongs to the technical field of control box structure manufacturing, and particularly relates to a spliced control box. Background Art

[0002] In order to achieve quick installation of circuit modules and enhance the electromagnetic shielding ability, the control box structures in the prior art are usually integrally machined from metal materials or formed by welding metal plates. Both forming methods of the control box structures have great machining difficulty, long cycle and poor maintainability. Summary of the Invention

[0003] The purpose of the present invention is to provide an aluminum alloy spliced control box to overcome the deficiencies of the prior art.

[0004] The technical solution of the present invention is: an aluminum alloy spliced control box, including: a box body, a front cover plate, a connector plate, a top cover plate, a fan plate, a bottom cover plate, a left cover plate, a wire baffle plate, a circuit module plug-in, and a bus board.

[0005] The box body is spliced by 2 middle groove plates, a front groove plate, and a rear groove plate; the bus board is installed in the sunken groove on the lower surface of the box body; the wire baffle plate and the circuit module plug-in are arranged in the box body, and the circuit module plug-in is inserted into the bus board.

[0006] The front cover plate is tightly connected to the front groove plate; the connector plate is tightly connected to one side of the middle groove plate; the fan plate is tightly connected to the rear groove plate; the bottom cover plate closes the bottom of the box body; the left cover plate is tightly connected to the other side of the middle groove plate; the top cover plate closes the top of the box body.

[0007] The control box is a fully enclosed cavity, and the plates forming the box body all adopt the conductive oxidation process and conductive glue is applied at the splicing joints to form an equipotential body as a whole.

[0008] In the above solution, specifically:

[0009] In the box body: the middle groove plate is machined from an aluminum alloy plate, the surface is treated by the conductive oxidation process, the whole is a regular quadrilateral plate, there is a regular quadrilateral square hole inside, a rectangular guide groove is arranged at the bottom, a regular quadrilateral sunken groove is arranged on the outer side, 6 screw holes are arranged in the sunken groove, and 2 screw holes are respectively arranged on both sides of the plate.

[0010] The front groove plate is machined from an aluminum alloy plate, the surface is treated by the conductive oxidation process, the whole is a regular quadrilateral plate, there is 1 large rectangular through hole and 6 small rectangular through holes in the middle of the plate, a rectangular sunken groove is arranged on the outer side of the plate, 4 stepped holes and 6 screw holes are arranged in the groove, 4 screw holes are arranged at the lower part of the outer side of the plate, 1 rectangular guide groove and N Y-shaped guide grooves are arranged on the inner side of the plate, rectangular guide grooves are arranged on both sides, a rectangular sunken groove is arranged at the lower part of the inner side of the plate, a rectangular sunken groove is arranged on the upper end surface of the plate, and a rectangular sunken groove is arranged on the lower end surface of the plate.

[0011] The rear slot plate is formed by machining an aluminum alloy plate, and its surface is treated with a conductive oxidation process. The overall shape is a regular quadrilateral plate. There is 1 large rectangular through-hole and 6 small rectangular through-holes in the middle of the plate. There is 1 rectangular guide groove and 6 Y-shaped guide grooves on the inner side of the plate. There are rectangular guide grooves on both sides. There is a rectangular sunk groove at the lower part of the inner side of the plate, a rectangular sunk groove at the upper end surface of the plate, a rectangular sunk groove at the lower end surface of the plate, and a rectangular sunk groove on the outer side of the plate. There are 4 stepped holes and 6 screw holes in the groove, and 4 screw holes at the lower part of the outer side of the plate.

[0012] Three screw holes are machined on the upper surface of each middle slot plate. The screw sleeve is screwed into the screw hole of the middle slot plate and a cylindrical pin Ⅰ is pressed in. The screw sleeve is formed by machining a stainless steel round bar. The overall shape is a cylinder. The outer surface of the cylinder is machined into an external thread and provided with a rectangular guide groove. There is a stepped hole inside, and the lower hole is a threaded hole. The upper and lower end surfaces of the cylinder are chamfered, and there are 2 guide grooves on the upper end surface.

[0013] After applying conductive glue to both ends of 2 middle slot plates, they are inserted into the rectangular guide grooves on both sides of the front slot plate and the rear slot plate, and fixed and locked with cross-slot pan head screws to form a box body. Six screw holes are machined on the upper surface of the box body. The screw sleeve is screwed into the screw hole of the box body and a cylindrical pin Ⅰ is pressed in. The lower surface of the box body forms a regular quadrilateral sunk groove jointly by the middle slot plate, the front slot plate and the rear slot plate. The bus bar plate is installed in the sunk groove of the box body and fixed and locked with cross-slot pan head screws Ⅰ. The front slot plate and the rear slot plate form 1 rectangular guide groove and N Y-shaped guide grooves arranged symmetrically. The wire blocking plate slides into the box body along the rectangular guide groove, and N circuit module plugs slide into the box body along the N Y-shaped guide grooves.

[0014] After applying conductive glue to the front cover plate, it is placed into the rectangular sunk groove of the front slot plate and fixed and locked with cross-slot countersunk head screws Ⅰ. After applying conductive glue to the connector plate, it is placed into the sunk groove of the middle slot plate and fixed and locked with cross-slot countersunk head screws Ⅱ. After applying conductive glue to the fan plate, it is placed into the rectangular sunk groove of the rear slot plate and fixed and locked with fasteners. After applying conductive glue to the bottom cover plate, it is placed into the bottom plate groove of the box body and fixed and locked with countersunk head screws Ⅲ. After applying conductive glue to the left cover plate, it is placed into the sunk groove of the middle slot plate and fixed and locked with cross-slot countersunk head screws Ⅳ.

[0015] The front cover plate is formed by machining an aluminum alloy plate, and its surface is treated with a conductive oxidation process. The overall shape is a regular quadrilateral plate, and there are 6 countersunk holes around it.

[0016] The top cover plate includes: the top cover plate body, rubber ropes, and rubber pads; the top cover plate body is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the overall shape is a regular quadrilateral plate, there are 6 screw holes and rubber ring grooves around the plate, and a regular quadrilateral sunken groove is provided in the middle of the plate; the rubber ropes are made of aviation rubber ropes and are installed in the rubber ring grooves; the rubber pads are made of aviation rubber plates, the overall shape is a strip structure, and are arranged on the left and right sides of the top cover plate body.

[0017] The bottom cover plate is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the overall shape is a regular quadrilateral plate, and there are 8 countersunk holes around the plate.

[0018] The left cover plate is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the overall shape is a regular quadrilateral plate, and there are 6 countersunk holes around the plate.

[0019] The wire blocking plate is machined from a stainless steel plate, and 2 through holes are provided at 2 bending places on the upper part of the plate.

[0020] The bus board includes: the bus board printed circuit board and connector II.

[0021] The connector board includes: the connector board body, connectors, cross recessed pan head screws II, external ground wire, internal ground wire, hex nuts I8, hex head bolts I, flat washers, spring washers, hex nuts II, screw rods, cylindrical pins II, insulating pads I, and insulating pads II.

[0022] The connector board body is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the overall shape is a regular quadrilateral plate, there are multiple large through holes inside the plate, and identification is screen-printed, there is 1 square through hole and 1 small through hole in the lower right corner of the plate, and there are 6 countersunk holes around the plate.

[0023] The external ground wire is formed by welding wire nose at both ends to the cable.

[0024] The internal ground wire is formed by welding a wire nose at one end to the cable.

[0025] The screw rod is machined from stainless steel, the overall shape is a long rod structure, the upper part of the rod is a short screw rod, the middle part of the rod is a regular quadrilateral block, there are 2 blind holes on the lower bottom surface, and the lower part of the rod is a long screw rod.

[0026] The insulating pad I is machined from epoxy glass cloth laminate, the upper part is a cylindrical structure, the lower part is a regular quadrilateral block, there is a through hole in the middle, and there are 2 through holes on the upper end surface.

[0027] The insulating pad II is machined from epoxy glass cloth laminate, the overall shape is a cylindrical structure, there is a regular polygon sunken groove on the upper surface, and there is a through hole in the middle.

[0028] The hexagon head bolt Ⅰ passes through the internal grounding wire, flat washer, plug-in board body, spring washer, hexagon nut Ⅱ, and external grounding wire, and is locked and fixed with double spring washers and double hexagon nuts Ⅱ to achieve conduction between the internal grounding wire, external grounding wire, and plug-in board body.

[0029] The screw passes through the insulating pad Ⅰ, plug-in board body, and insulating pad Ⅱ. The cylindrical pin Ⅱ is inserted into two blind holes on the lower bottom surface of the screw and two blind holes on the upper end surface of the insulating pad Ⅰ respectively; the lower regular quadrilateral block of the insulating pad Ⅰ is inserted into the square through hole of the plug-in board body and the regular polygon sunk groove on the upper surface of the insulating pad Ⅱ in sequence; the hexagon nut Ⅱ is sleeved on the lower long screw of the screw; the internal grounding wire is sleeved on the upper short screw of the screw and is locked and fixed with a flat washer, spring washer, and hexagon nut Ⅱ; the external grounding wire is sleeved on the lower long screw of the screw and is locked and fixed with a flat washer, spring washer, and hexagon nut Ⅱ. The external grounding wire is insulated from the plug-in board body, and the internal grounding wire is insulated from the plug-in board body.

[0030] The fan board includes: fan board body, fan mounting plate, cross recessed countersunk head screw Ⅴ, fan, and cross recessed countersunk head screw Ⅵ.

[0031] The fan board body is machined from an aluminum alloy plate and its surface is treated with a conductive oxidation process. It is a flange-sided cavity structure as a whole. The flange is a regular polygon plate with 10 through holes arranged around it, a regular quadrilateral sunk groove in the middle, 10 screw holes in the sunk groove, and heat dissipation grooves on the outer surface of the cavity; the fan mounting plate is machined from an aluminum alloy plate and its surface is treated with a conductive oxidation process. It is a regular quadrilateral plate as a whole, with 10 countersunk holes around the plate, 2 round holes and 1 long slotted hole in the middle of the plate, and four countersunk holes around each round hole.

[0032] Two fans are installed on the fan mounting plate and are locked and fixed with cross recessed countersunk head screws Ⅵ. The fan mounting plate is installed on the fan board body and is locked and fixed with cross recessed countersunk head screws Ⅴ.

[0033] The wind generated by the fan passes through six small rectangular through holes in the rear slot plate and blows towards the circuit module plug-in, taking away the heat generated by the circuit module plug-in. Then the wind returns to the fan board body through six small rectangular through holes in the front slot plate, one large rectangular through hole in the front slot plate, the channel between the wire blocking plate and the plug-in board, and one large rectangular through hole in the rear slot plate, completing the repeated circulation of the wind. The control box dissipates the heat generated during the operation of the circuit module plug-in through the casing, and has good heat conduction function.

[0034] The circuit module plug-in includes: a plug-in bracket, a printed circuit board, and a connector Ⅰ; the plug-in bracket is formed by machining a stainless steel plate. There are two through holes at the two bending places on the upper part of the plate, a regular quadrilateral square hole in the middle of the lower part of the plate, and 13 countersunk holes on the four sides of the lower part of the plate. The connector Ⅰ of the circuit module plug-in is inserted into the connector Ⅱ of the bus board to realize data communication of N circuit module plug-ins.

[0035] Beneficial effects:

[0036] (1) In the present invention, a closed chassis is formed by splicing a box body, a front cover plate, a connector board, a top cover plate, a fan board, a bottom cover plate, and a left cover plate. All the box body plates adopt the conductive oxidation process and conductive glue is applied at the splicing places, forming an equipotential body as a whole, with good heat dissipation and strong electromagnetic shielding capabilities.

[0037] (2) The layout structure of the circuit module plug-in, the bus board, and the wire blocking board in the present invention can realize the rapid installation of the circuit module, and the box body slots have the functions of high modularity and good scalability.

[0038] (3) In the present invention, the wind generated by the fan passes through the small rectangular through holes of the rear slot board and blows towards the circuit module plug-in to take away the heat generated by the circuit module plug-in. Then the wind returns to the fan board body through the small rectangular through holes of the front slot board, the large rectangular through holes of the front slot board, the channel between the wire blocking board and the connector board, and the large rectangular through holes of the rear slot board, completing the repeated circulation of the wind. The control box dissipates the heat generated during the operation of the circuit module plug-in through the machine shell, with good heat conduction function. Description of the drawings

[0039] Figure 1 It is a schematic structural diagram of the front of the present invention;

[0040] Figure 2 It is a schematic structural diagram of the back of the present invention;

[0041] Figure 3 It is a schematic structural diagram of the front inside of the present invention;

[0042] Figure 4 It is a schematic structural diagram of the back inside of the present invention;

[0043] Figure 5 It is a schematic front structural diagram of the box body in the present invention;

[0044] Figure 6 It is a schematic back structural diagram of the box body in the present invention;

[0045] Figure 7 It is a schematic front structural diagram of the connector board in the present invention;

[0046] Figure 8 It is a schematic back structural diagram of the connector board in the present invention;

[0047] Figure 9 It is a schematic structural diagram of the housing ground of the connector board in the present invention;

[0048] Figure 10 It is a schematic structural diagram of the signal ground of the connector board in the present invention;

[0049] Figure 11 It is a schematic structural diagram of the top cover plate in the present invention;

[0050] Figure 12 It is a schematic structural diagram of the fan board in the present invention;

[0051] Figure 13 It is a schematic structural diagram of the wire baffle in the present invention;

[0052] Figure 14 It is a schematic structural diagram of the circuit module plug-in in the present invention;

[0053] Figure 15 It is a schematic structural diagram of the bus board in the present invention;

[0054] Figure 16 It is a schematic structural diagram of the front side of the middle slot board in the present invention;

[0055] Figure 17 It is a schematic structural diagram of the back side of the middle slot board in the present invention;

[0056] Figure 18 It is a schematic structural diagram of the screw sleeve in the present invention;

[0057] Figure 19 It is a schematic cross-sectional view of the screw sleeve in the present invention;

[0058] Figure 20 It is a schematic structural diagram of the outer side of the front slot board in the present invention;

[0059] Figure 21 It is a schematic structural diagram of the inner side of the front slot board in the present invention;

[0060] Figure 22 It is a schematic structural diagram of the inner side of the rear slot board in the present invention;

[0061] Figure 23 It is a schematic structural diagram of the outer side of the rear slot board in the present invention;

[0062] Figure 24 It is a schematic structural diagram of the front cover plate in the present invention;

[0063] Figure 25 It is a schematic structural diagram of the board body of the connector board in the present invention;

[0064] Figure 26Schematic diagram of the external grounding wire in the present invention;

[0065] Figure 27 Schematic diagram of the internal grounding wire in the present invention;

[0066] Figure 28 Schematic diagram of the screw in the present invention;

[0067] Figure 29 Front view schematic diagram of the insulating pad Ⅰ in the present invention;

[0068] Figure 30 Back view schematic diagram of the insulating pad Ⅰ in the present invention;

[0069] Figure 31 Schematic diagram of the insulating pad Ⅱ in the present invention;

[0070] Figure 32 Schematic diagram of the top cover plate in the present invention;

[0071] Figure 33 Schematic diagram of the inner side surface of the top cover plate body in the present invention;

[0072] Figure 34 Schematic diagram of the outer side surface of the top cover plate body in the present invention;

[0073] Figure 35 Schematic diagram of the fan mounting plate in the present invention;

[0074] Figure 36 Schematic diagram of the bottom cover plate in the present invention;

[0075] Figure 37 Schematic diagram of the left cover plate in the present invention;

[0076] Figure 38 Schematic diagram of the wire blocking plate in the present invention;

[0077] Figure 39 Schematic diagram of the plug-in bracket in the present invention;

[0078] Figure 40 Layout schematic diagram of the circuit module plug-in, bus board, and wire blocking plate in the present invention;

[0079] Figure 41 、 42 Schematic diagram of the air duct in the present invention;

[0080] In the figure: 1 - box body, 2 - front cover plate, 3 - cross recessed countersunk head screw Ⅰ, 4 - connector board, 5 - cross recessed countersunk head screw Ⅱ, 6 - top cover plate, 7 - non - removable screw, 8 - fan board, 9 - bottom cover plate, 10 - countersunk head screw Ⅲ, 11 - left cover plate, 12 - cross recessed countersunk head screw Ⅳ, 13 - wire baffle, 14 - circuit module plug - in, 15 - bus board, 16 - cross recessed pan head screw Ⅰ, 17 - middle slot board, 18 - cylindrical pin Ⅰ, 19 - screw sleeve, 20 - front slot board, 21 - cross recessed cylindrical head screw, 22 - rear slot board, 23 - connector board body, 24 - connector, 25 - cross recessed pan head screw Ⅱ, 26 - external ground wire, 27 - internal ground wire, 28 - hexagon nut Ⅰ, 29 - hexagon head bolt Ⅰ, 30 - flat washer, 31 - spring washer, 32 - hexagon nut Ⅱ, 33 - cylindrical pin Ⅱ, 34 - cylindrical pin Ⅱ, 35 - insulating pad Ⅰ, 36 - insulating pad Ⅱ, 37 - top cover plate body, 38 - rubber rope, 39 - rubber pad, 40 - fan board body, 41 - fan mounting plate, 42 - cross recessed countersunk head screw Ⅴ, 43 - fan, 44 - cross recessed countersunk head screw Ⅵ, 45 - plug - in bracket, 46 - printed circuit board, 47 - connector Ⅰ, 48 - bus board printed circuit board, 49 - connector Ⅱ. Detailed implementation mode

[0081] The following combines the attached drawings and embodiments to further elaborate on the present invention in detail.

[0082] See the attached Figure 1-42 , an aluminum alloy splicing type control box, which includes a box body 1, a front cover plate 2, a cross recessed countersunk head screw Ⅰ 3, a connector board 4, a cross recessed countersunk head screw Ⅱ 5, a top cover plate 6, a non - removable screw 7, a fan board 8, a bottom cover plate 9, a countersunk head screw Ⅲ 10, a left cover plate 11, a cross recessed countersunk head screw Ⅳ 12, a wire baffle 13, a circuit module plug - in 14, a bus board 15, and a cross recessed pan head screw Ⅰ 16.

[0083] Among them, the box body 1 includes: an intermediate groove plate 17, a cylindrical pin I 18, a screw sleeve 19, a front groove plate 20, a cross recessed head screw 21, and a rear groove plate 22. The intermediate groove plate 17 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with a regular quadrilateral square hole inside, a rectangular guide groove at the bottom, a regular quadrilateral counterbore on the outer side, 6 screw holes in the counterbore, and 2 screw holes on each side of the plate. The screw sleeve 19 is machined from a stainless steel round bar and is an overall cylinder. The outer surface of the cylinder is machined into an external thread and has a rectangular guide groove, with a stepped hole inside, where the lower hole is a threaded hole. The upper and lower end faces of the cylinder are chamfered, and there are 2 guide grooves on the upper end face. The front groove plate 20 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 1 large rectangular through hole and 6 small rectangular through holes in the middle of the plate, a rectangular counterbore on the outer side of the plate, 4 stepped holes and 6 screw holes in the counterbore, 4 screw holes at the lower part of the outer side of the plate, 1 rectangular guide groove and 6 Y-shaped guide grooves on the inner side of the plate, rectangular guide grooves on both sides, a rectangular counterbore at the lower part of the inner side of the plate, a rectangular counterbore on the upper end face of the plate, and a rectangular counterbore on the lower end face of the plate. The rear groove plate 22 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 1 large rectangular through hole and 6 small rectangular through holes in the middle of the plate, 1 rectangular guide groove and 6 Y-shaped guide grooves on the inner side of the plate, rectangular guide grooves on both sides, a rectangular counterbore at the lower part of the inner side of the plate, a rectangular counterbore at the lower part of the inner side of the plate, a rectangular counterbore on the upper end face of the plate, a rectangular counterbore on the lower end face of the plate, a rectangular counterbore on the outer side of the plate, 4 stepped holes and 6 screw holes in the counterbore, and 4 screw holes at the lower part of the outer side of the plate.

[0084] The front cover plate 2 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 6 countersunk holes around.

[0085] The connector board 4 includes: a connector board body 23, a connector 24, a cross recessed pan head screw II 25, an external ground wire 26, an internal ground wire 27, a hexagon nut I 28, a hexagon head bolt I 29, a flat washer 30, a spring washer 31, a hexagon nut II 32, a screw rod 33, a cylindrical pin II 34, an insulating pad I 35, and an insulating pad II 36. The connector board body 23 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with multiple large through holes inside the plate, and identification is screen-printed. There is a square through hole and a small through hole at the lower right corner of the plate, and 6 counterbored holes are provided around the plate. The external ground wire 26 is formed by welding terminal lugs at both ends to a cable, and the cable length is determined according to actual needs. The internal ground wire 27 is formed by welding a terminal lug at one end to a cable, and the cable length is determined according to actual needs. The screw rod 33 is machined from stainless steel and is an overall long rod-shaped structure. The upper part of the rod is a short screw rod, the middle part of the rod is a regular quadrilateral block, and there are 2 blind holes on the lower bottom surface. The lower part of the rod is a long screw rod. The insulating pad I 35 is machined from an epoxy glass cloth laminate. The upper part is a cylindrical structure, the lower part is a regular quadrilateral block, there is a through hole in the middle, and 2 through holes are provided on the upper end surface. The insulating pad II 36 is machined from an epoxy glass cloth laminate and is an overall cylindrical structure. There is a regular polygon counterbore on the upper surface and a through hole in the middle.

[0086] The top cover plate 6 includes: a top cover plate body 37, a rubber rope 38, and a rubber pad 39. The top cover plate body 37 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 6 screw holes and rubber ring grooves around the plate, and a regular quadrilateral counterbore in the middle of the plate. The rubber rope 38 is made of an aviation rubber rope. The rubber pad 39 is made of an aviation rubber plate and is an overall strip-shaped structure.

[0087] The fan board 8 includes: a fan board body 40, a fan mounting plate 41, a cross recessed countersunk head screw V 42, a fan 43, and a cross recessed countersunk head screw VI 44. The fan board body 40 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall cavity structure with a flange edge. The flange edge is a regular polygon plate with 10 through holes around, a regular quadrilateral counterbore in the middle, 10 screw holes in the counterbore, and heat dissipation grooves on the outer surface of the cavity. The fan mounting plate 41 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 10 counterbored holes around the plate, 2 round holes and 1 long slotted hole in the middle of the plate, and four counterbored holes around each round hole.

[0088] The bottom cover plate 9 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 8 counterbored holes around the plate.

[0089] The left cover plate 11 is machined from an aluminum alloy plate and its surface is treated with a conductive anodizing process. It is an overall regular quadrilateral plate with 6 countersunk holes provided around the plate.

[0090] The wire blocking plate 13 is machined from a stainless steel plate, and 2 through holes are provided at 2 bending places on the upper part of the plate.

[0091] The circuit module plug-in 14 includes: a plug-in bracket 45, a printed circuit board 46, and a connector I 47. The plug-in bracket 45 is machined from a stainless steel plate, 2 through holes are provided at 2 bending places on the upper part of the plate, a regular quadrilateral square hole is provided in the middle of the lower part of the plate, and 13 countersunk holes are provided on the four sides of the lower part of the plate.

[0092] The bus board 15 includes: a bus board printed circuit board 48 and a connector II 49.

[0093] The specific installation method is as follows:

[0094] After applying conductive glue to both ends of 2 middle slot plates 17, they are inserted into the rectangular guide grooves on both sides of the front slot plate 20 and the rear slot plate 22, and are fixed and locked with cross recessed head screws 21 to form a box body 1 by splicing; 6 screw holes are machined on the upper surface of the box body 1, a bushing 19 is screwed into the screw hole of the box body 1, and a cylindrical pin I 18 is pressed in to prevent the bushing 19 from falling off; the lower surface of the box body 1 forms a regular quadrilateral sunk groove jointly by the middle slot plate 17, the front slot plate 20, and the rear slot plate 22. The bus board 15 is installed in the sunk groove of the box body 1 and is fixed and locked with cross recessed head screws I 16; 1 rectangular guide groove and 6 Y-shaped guide grooves are symmetrically arranged on the front slot plate 20 and the rear slot plate 22 of the box body 1. The wire blocking plate 13 slides into the box body 1 along the rectangular guide groove, and 6 circuit module plug-ins 14 slide into the box body 1 along 6 Y-shaped guide grooves. The connector I 47 of the circuit module plug-in 14 is inserted into the connector II 49 of the bus board 15 to realize data communication of 6 circuit module plug-ins 14; after applying conductive glue to the front cover plate 2, it is placed into the rectangular sunk groove of the front slot plate 20 and is fixed and locked with cross recessed head screws I 3. After applying conductive glue to the connector board 4, it is placed into the sunk groove of the middle slot plate 17 and is fixed and locked with cross recessed head screws II 5. After applying conductive glue to the fan board 8, it is placed into the rectangular sunk groove of the rear slot plate 22 and is fixed and locked with fasteners. After applying conductive glue to the bottom cover plate 9, it is placed into the bottom plate groove of the box body 1 and is fixed and locked with countersunk head screws III 10. After applying conductive glue to the left cover plate 11, it is placed into the sunk groove of the middle slot plate 17 and is fixed and locked with cross recessed head screws IV 12. The box body 1, the front cover plate 2, the connector board 4, the fan board 8, the bottom cover plate 9, and the left cover plate 11 form a semi-enclosed cavity; the top cover plate 6 covers the box body 1 and is fixed and locked with non-removable screws 7. The box body forms a fully enclosed cavity. All the plates forming the box body adopt a conductive anodizing process and conductive glue is applied at the splicing joints, forming an equipotential body as a whole, having good electrical conductivity and strong electromagnetic shielding ability.

[0095] The hexagon head bolt Ⅰ 29 passes through the internal ground wire 27, flat washer 30, plug-in board body 23, spring washer 31, hexagon nut Ⅱ 32, and external ground wire 26, and is locked and fixed by double spring washers 31 and double hexagon nuts Ⅱ 32, which can realize the conduction between the internal ground wire 27, external ground wire 26, and plug-in board body 23, and has the function of chassis ground.

[0096] The screw 33 passes through the insulating pad Ⅰ 35, plug-in board body 23, and insulating pad Ⅱ 36. The cylindrical pin Ⅱ 34 is respectively inserted into the two blind holes at the lower bottom surface of the screw 33 and the two blind holes at the upper end surface of the insulating pad Ⅰ 35 to prevent the circumferential rotation of the screw 33 and the insulating pad Ⅰ 35. The lower regular quadrilateral block of the insulating pad Ⅰ 35 is sequentially inserted into the square through hole of the plug-in board body 23 and the regular polygon counterbore on the upper surface of the insulating pad Ⅱ 36 to prevent the circumferential rotation of the insulating pad Ⅰ 35, plug-in board body 23, and insulating pad Ⅱ 36. The hexagon nut Ⅱ 32 is sleeved on the lower long screw of the screw 33 to realize the fastening of the screw 33, insulating pad Ⅰ 35, and insulating pad Ⅱ 36 on the plug-in board body 23. At the same time, the screw 33, insulating pad Ⅰ 35, insulating pad Ⅱ 36, and plug-in board body 23 restrict each other to prevent circumferential rotation between them. The internal ground wire 27 is sleeved on the upper short screw of the screw 33 and is locked and fixed by a flat washer 30, spring washer 31, and hexagon nut Ⅱ 32. The external ground wire 26 is sleeved on the lower long screw of the screw 33 and is locked and fixed by a flat washer 30, spring washer 31, and hexagon nut Ⅱ 32, realizing the conduction between the external ground wire 26 and the internal ground wire 27, insulating between the external ground wire 26 and the plug-in board body 23, and insulating between the internal ground wire 27 and the plug-in board body 23, and having the function of signal ground.

[0097] Two fans 43 are installed on the fan mounting plate 41 and are locked and fixed by cross recessed countersunk head screws Ⅵ 44. The fan mounting plate 41 is installed on the fan board body 40 and is locked and fixed by cross recessed countersunk head screws Ⅴ 42. The wind generated by the operation of the fan 43 blows through the six small rectangular through holes of the rear slot plate 22 towards the circuit module plug-in 14, taking away the heat generated by the circuit module plug-in 14. The wind then returns to the fan board body 40 through the six small rectangular through holes of the front slot plate 20, the one large rectangular through hole of the front slot plate 20, the channel between the wire blocking plate 13 and the plug-in board 4, and the one large rectangular through hole of the rear slot plate 22, completing the repeated circulation of the wind. The control box dissipates the heat generated during the operation of the circuit module plug-in 14 through the chassis, having good heat conduction function.

[0098] The front slot plate 20 and the rear slot plate 22 of the box body 1 form a rectangular guide slot and six Y-shaped guide slots which are symmetrically arranged. Among them, the six Y-shaped guide slots can be extended to N Y-shaped guide slots according to the requirements of the circuit module plug-in 14, so as to realize that N circuit module plug-ins 14 slide into the box body 1 along the N Y-shaped guide slots. The plug-in I 47 of the circuit module plug-in 14 is inserted into the plug-in II 49 of the bus board 15 to realize the data communication of N circuit module plug-ins 14.

[0099] Although the present invention has been described in detail with general descriptions and specific embodiments above, based on the present invention, some modifications or improvements can be made, which are obvious to those skilled in the art. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection required by the present invention.

Claims

1. An aluminum alloy spliced control box, characterized in that, Including: A box body (1), a front cover plate (2), a connector board (4), a top cover plate (6), a fan board (8), a bottom cover plate (9), a left cover plate (11), a wire baffle (13), a circuit module plug-in (14), and a bus board (15); The box body (1) is formed by splicing two middle groove plates (17), a front groove plate (20), and a rear groove plate (22); the bus board (15) is installed in a sunken groove on the lower surface of the box body (1); the wire baffle (13) and the circuit module plug-in (14) are arranged inside the box body (1), and the circuit module plug-in (14) is inserted into the bus board (15); The front cover plate (2) is tightly connected to the front groove plate (20); the connector board (4) is tightly connected to one side of the middle groove plate (17); the fan board (8) is tightly connected to the rear groove plate (22); the bottom cover plate (9) closes the bottom of the box body (1); the left cover plate (11) is tightly connected to the other side of the middle groove plate (17); the top cover plate (6) closes the top of the box body (1); The control box is a fully enclosed cavity, and the plates forming the box body all adopt a conductive oxidation process and conductive glue is applied at the splicing joints to form an equipotential body as a whole.

2. The aluminum alloy spliced control box according to claim 1, wherein In the box body (1): The middle groove plate (17) is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the whole is a regular quadrilateral plate, there is a regular quadrilateral square hole inside, a rectangular guide groove is provided at the bottom, a regular quadrilateral sunken groove is provided on the outer side, 6 screw holes are provided in the sunken groove, and 2 screw holes are respectively provided on both sides of the plate; The front groove plate (20) is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the whole is a regular quadrilateral plate, there is 1 large rectangular through hole and 6 small rectangular through holes in the middle of the plate, a rectangular sunken groove is provided on the outer side of the plate, 4 stepped holes and 6 screw holes are provided in the groove, 4 screw holes are provided at the lower part of the outer side of the plate, 1 rectangular guide groove and N Y-shaped guide grooves are provided on the inner side of the plate, rectangular guide grooves are provided on both sides, a rectangular sunken groove is provided at the lower part of the inner side of the plate, a rectangular sunken groove is provided on the upper end surface of the plate, and a rectangular sunken groove is provided on the lower end surface of the plate; The rear groove plate (22) is machined from an aluminum alloy plate, the surface is treated with a conductive oxidation process, the whole is a regular quadrilateral plate, there is 1 large rectangular through hole and 6 small rectangular through holes in the middle of the plate, 1 rectangular guide groove and N Y-shaped guide grooves are provided on the inner side of the plate, rectangular guide grooves are provided on both sides, a rectangular sunken groove is provided at the lower part of the inner side of the plate, a rectangular sunken groove is provided at the lower part of the inner side of the plate, a rectangular sunken groove is provided on the upper end surface of the plate, a rectangular sunken groove is provided on the lower end surface of the plate, a rectangular sunken groove is provided on the outer side of the plate, 4 stepped holes and 6 screw holes are provided in the groove, and 4 screw holes are provided at the lower part of the outer side of the plate; Three screw holes are machined on the upper surface of each of the intermediate groove plates (17). The screw sleeves (19) are screwed into the screw holes of the intermediate groove plates (17), and the cylindrical pins I (18) are pressed in. The screw sleeves (19) are machined from stainless steel round steel, and are in the shape of a cylinder as a whole. The outer surface of the cylinder is machined into an external thread and is provided with rectangular guide grooves, and a stepped hole is provided inside. The lower hole thereof is a threaded hole. The upper and lower end faces of the cylinder are chamfered, and two guide grooves are provided on the upper end face. After applying conductive adhesive to both ends of the two intermediate groove plates (17), they are inserted into the rectangular guide grooves on both sides of the front groove plate (20) and the rear groove plate (22), and are fixed and locked with cross-recessed countersunk head screws (21) to form the box body (1) by splicing. Six screw holes are machined on the upper surface of the box body (1). The screw sleeves (19) are screwed into the screw holes of the box body (1), and the cylindrical pins I (18) are pressed in. The lower surface of the box body (1) forms a regular quadrilateral sunk groove jointly by the intermediate groove plates (17), the front groove plate (20), and the rear groove plate (22). The bus bar plate (15) is installed in the sunk groove of the box body (1) and is fixed and locked with cross-recessed pan head screws I (16). The front groove plate (20) and the rear groove plate (22) form one rectangular guide groove and N Y-shaped guide grooves arranged symmetrically. The wire blocking plate (13) slides into the box body (1) along the rectangular guide groove, and N circuit module plugs (14) slide into the box body (1) along the N Y-shaped guide grooves. After applying conductive adhesive to the front cover plate (2), it is placed into the rectangular sunk groove of the front groove plate (20) and is fixed and locked with cross-recessed countersunk head screws I (3). After applying conductive adhesive to the connector plate (4), it is placed into the sunk groove of the intermediate groove plate (17) and is fixed and locked with cross-recessed countersunk head screws II (5). After applying conductive adhesive to the fan plate (8), it is placed into the rectangular sunk groove of the rear groove plate (22) and is fixed and locked with fasteners. After applying conductive adhesive to the bottom cover plate (9), it is placed into the bottom plate groove of the box body (1) and is fixed and locked with countersunk head screws III (10). After applying conductive adhesive to the left cover plate (11), it is placed into the sunk groove of the intermediate groove plate (17) and is fixed and locked with cross-recessed countersunk head screws IV (12).

3. The aluminum alloy splicing control box according to claim 2, characterized in that, The front cover plate (2) is machined from an aluminum alloy plate and is treated with a conductive oxidation process on the surface. It is a regular quadrilateral plate as a whole, and six countersunk holes are provided around it. The top cover plate (6) includes: a top cover plate body (37), a rubber rope (38), and a rubber pad (39). The top cover plate body (37) is machined from an aluminum alloy plate and is treated with a conductive oxidation process on the surface. It is a regular quadrilateral plate as a whole. Six screw holes and rubber ring grooves are provided around the plate, and a regular quadrilateral sunk groove is provided in the middle of the plate. The rubber rope (38) is made of an aviation rubber rope and is installed in the rubber ring groove. The rubber pad (39) is made of an aviation rubber plate and is in the shape of a long strip as a whole, and is arranged on the left and right sides of the top cover plate body (37). The bottom cover plate (9) is formed by machining an aluminum alloy plate, and its surface is treated with a conductive oxidation process. It is an overall regular quadrilateral plate, and there are 8 countersunk holes around the plate; The left cover plate (11) is formed by machining an aluminum alloy plate, and its surface is treated with a conductive oxidation process. It is an overall regular quadrilateral plate, and there are 6 countersunk holes around the plate; The wire blocking plate (13) is formed by machining a stainless steel plate, and there are two through holes at two bending positions on the upper part of the plate; The bus bar plate (15) includes: a bus bar printed circuit board (48) and a connector II (49).

4. The aluminum alloy spliced control box according to claim 3, characterized in that, The connector board (4) includes: a connector board body (23), a connector (24), a cross recessed pan head screw II (25), an external ground wire (26), an internal ground wire (27), a hexagon nut I (28), a hexagon head bolt I (29), a flat washer (30), a spring washer (31), a hexagon nut II (32), a screw rod (33), a cylindrical pin II (34), an insulating pad I (35), and an insulating pad II (36); The connector board body (23) is formed by machining an aluminum alloy plate, and its surface is treated with a conductive oxidation process. It is an overall regular quadrilateral plate, and there are multiple large through holes inside the plate, and identification is screen-printed. There is a square through hole and a small through hole at the lower right corner of the plate, and there are 6 countersunk holes around the plate; The external ground wire (26) is formed by welding wire nose at both ends to the cable; The internal ground wire (27) is formed by welding a wire nose at one end to the cable; The screw rod (33) is formed by machining stainless steel. It is an overall long rod-shaped structure. The upper part of the rod is a short screw rod, the middle part of the rod is a regular quadrilateral block, there are 2 blind holes on the lower bottom surface, and the lower part of the rod is a long screw rod; The insulating pad I (35) is formed by machining an epoxy glass cloth laminate. The upper part is a cylindrical structure, the lower part is a regular quadrilateral block, there is a through hole in the middle, and there are 2 through holes on the upper end surface; The insulating pad II (36) is formed by machining an epoxy glass cloth laminate. It is an overall cylindrical structure, there is a regular polygon sunk groove on the upper surface, and there is a through hole in the middle; The hexagon head bolt I (29) passes through the internal ground wire (27), the flat washer (30), the plug-in board body (23), the spring washer (31), the hexagon nut II (32), and the external ground wire (26), and is locked and fixed by the double spring washer (31) and the double hexagon nut II (32) to realize conduction between the internal ground wire (27), the external ground wire (26), and the connector board body (23); The screw (33) passes through the insulating pad I (35), the connector board body (23), and the insulating pad II (36). The cylindrical pin II (34) is inserted into two blind holes on the lower bottom surface of the screw (33) and two blind holes on the upper end surface of the insulating pad I (35) respectively. The lower regular quadrilateral block of the insulating pad I (35) is sequentially inserted into the square through hole of the connector board body (23) and the regular polygon counterbore on the upper surface of the insulating pad II (36). The hexagon nut II (32) is sleeved on the lower long screw of the screw (33). The internal grounding wire (27) is sleeved on the upper short screw of the screw (33), and is locked and fixed by the flat washer (30), the spring washer (31), and the hexagon nut II (32). The external grounding wire (26) is sleeved on the lower long screw of the screw (33), and is locked and fixed by the flat washer (30), the spring washer (31), and the hexagon nut II (32). The external grounding wire (26) is insulated from the connector board body (23), and the internal grounding wire (27) is insulated from the connector board body (23).

5. The aluminum alloy splicing control box according to claim 4, characterized in that, The fan board (8) includes: a fan board body (40), a fan mounting plate (41), a cross recessed countersunk head screw V (42), a fan (43), and a cross recessed countersunk head screw VI (44). The fan board body (40) is machined from an aluminum alloy plate and its surface is treated with a conductive oxidation process. It is a cavity structure with a flange edge. The flange edge is a regular polygon plate, with 10 through holes provided around it, a regular quadrilateral counterbore in the middle, 10 screw holes in the counterbore, and heat dissipation grooves on the outer surface of the cavity. The fan mounting plate (41) is machined from an aluminum alloy plate and its surface is treated with a conductive oxidation process. It is a regular quadrilateral plate, with 10 counterbored holes around the plate, 2 round holes and 1 long slotted hole in the middle of the plate, and four counterbored holes around each round hole. Two fans (43) are installed on the fan mounting plate (41) and are locked and fixed by the cross recessed countersunk head screw VI (44). The fan mounting plate (41) is installed on the fan board body (40) and is locked and fixed by the cross recessed countersunk head screw V (42).

6. A spliced aluminum alloy control box according to claim 3 or 4 or 5, characterized in that, The circuit module plug-in (14) includes: a plug-in bracket (45), a printed circuit board (46), and a connector I (47). The plug-in bracket (45) is machined from a stainless steel plate. There are 2 through holes at the two bending places on the upper part of the plate, a regular quadrilateral square hole in the middle of the lower part of the plate, and 13 counterbored holes on the four sides of the lower part of the plate. The connector I (47) of the circuit module plug-in (14) is inserted into the connector II (49) of the bus board (15).

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