Lower shell heat dissipation type controller

Abstract

The utility model discloses a lower shell heat dissipation type controller, which comprises an outer shell formed by an upper shell and a lower shell and a control panel arranged in the outer shell, and the control panel comprises a first circuit board arranged on the lower shell and a second circuit board positioned above the first circuit board; the upper shell is provided with binding post placement holes which are in one-to-one correspondence with binding posts on the first circuit board, a cabling rack which independently separates the binding post placement holes to form an independent cabling channel, and a protective cover which covers the cabling rack, and the protective cover is provided with cabling notches which are corresponding to the binding post placement holes. A waterproof ventilation opening is formed in the area, where the cabling rack is located, of the upper shell, and a waterproof ventilation film is arranged at the waterproof ventilation opening on the inner side of the upper shell; and the binding posts penetrate out of the corresponding binding post via holes in the second printed circuit board and extend into the corresponding binding post mounting holes in the upper shell. The lower shell heat dissipation type controller provided by the utility model is especially suitable for occasions with relatively small installation space.

Description

TECHNICAL FIELD

[0001] The utility model relates to a controller, specifically to a lower shell heat dissipation type controller for controlling electric vehicles. BACKGROUND

[0002] At present, the power input and output of the lower shell heat dissipation type controller for electric vehicles are usually realized through the wiring seat arranged in the upper shell, so that the wiring seat is usually arranged on the same printed circuit board with the power device, so that the area of the whole printed circuit board is large, resulting in that the volume of the whole lower shell heat dissipation type controller is large, which cannot be applied in the occasions with small installation space, and greatly restricts the application scene. SUMMARY

[0003] The utility model solves the technical problem that a lower shell heat dissipation type controller is provided, which is independently led out by the independent wiring post.

[0004] In order to solve the above technical problem, the utility model adopts the technical scheme that a lower shell heat dissipation type controller comprises an outer shell and a control panel arranged in the outer shell, the outer shell comprises a lower shell and an upper shell arranged on the lower shell, and the inner side of the lower shell is an installation surface; the control panel comprises a first circuit board arranged on the installation surface of the lower shell and a second circuit board arranged above the first circuit board, the specific structure of the first circuit board comprises a first printed circuit board, a plurality of power devices arranged on the first printed circuit board, a plurality of wiring posts, a plurality of mounting through holes and a plurality of mounting through holes, and a wiring thread hole is formed in the top end face of the wiring post; the specific structure of the second circuit board comprises a second printed circuit board, at least one functional connector arranged on the second printed circuit board, a wiring post through hole corresponding to the wiring post, and a mounting through hole corresponding to the mounting through hole on the first printed circuit board; the upper shell is provided with a wiring post mounting hole corresponding to the wiring post and a plug-in window corresponding to the functional connector, and the functional connector and the corresponding plug-in window of the upper shell are sealingly arranged together; the upper shell is provided with a waterproof air permeation opening, and the inner side of the upper shell is provided with a waterproof air permeation film at the waterproof air permeation opening; the wiring post is arranged in the corresponding wiring post through hole of the second printed circuit board and extends into the corresponding wiring post mounting hole of the upper shell.

[0005] As a preferred scheme, in the lower shell heat dissipation type controller, the upper shell is provided with a wiring rack that individually separates each wiring post mounting hole and forms an independent wiring channel, and a protective cover that covers the wiring rack, and the protective cover is provided with a wiring notch corresponding to the wiring post mounting hole.

[0006] As a preferred scheme, in the lower shell heat dissipation type controller, the waterproof air vent comprises a plurality of strip-shaped air vents arranged in a circular array in a rotating and uniform distribution mode and a plurality of circular waterproof air vents located in the center of the waterproof air vent.

[0007] As a preferred scheme, in the lower shell heat dissipation type controller, the first printed circuit board is an aluminum-based printed circuit board.

[0008] As a preferred scheme, in the lower shell heat dissipation type controller, the lower shell is provided with a downwardly recessed installation chamber on the mounting surface thereof, and the first printed circuit board is arranged in the installation chamber and abuts against the bottom wall of the installation chamber.

[0009] As a preferred scheme, in the lower shell heat dissipation type controller, one side of the arrangement function connector of the second printed circuit board exceeds the first printed circuit board to form an excess part, and the lower shell is provided with at least one pad column corresponding to the excess part of the second printed circuit board on the mounting surface thereof, a threaded hole is formed in the upper end face of the pad column, the excess part of the second printed circuit board is arranged on the pad column and is provided with a pad column mounting hole corresponding to the pad column, and a screw is selected to pass through the pad column mounting hole on the second printed circuit board and is screwed into the threaded hole of the pad column.

[0010] As a preferred scheme, in the lower shell heat dissipation type controller, the lower shell is provided with an annular glue injection groove around the edge thereof.

[0011] As a preferred scheme, in the lower shell heat dissipation type controller, the function connector is sleeved with an anti-overflow gasket.

[0012] As a preferred scheme, in the lower shell heat dissipation type controller, a sealing gasket is sleeved on the terminal post after passing through the terminal post via hole on the second printed circuit board and is inserted into the terminal post installation hole in the upper shell.

[0013] As a preferred scheme, in the lower shell heat dissipation type controller, the sealing gasket is provided with an annular edge at both ends thereof.

[0014] As a preferred scheme, in the lower shell heat dissipation type controller, at least two transverse holes are formed in the height direction of the terminal post below the terminal screw hole.

[0015] As a preferred scheme, in the lower shell heat dissipation type controller, the first printed circuit board and the second printed circuit board are connected together through the mutually matched pin header and the female header.

[0016] As a preferred solution, in the lower shell heat dissipation type controller, the mounting surface of the lower shell is provided with mounting threaded holes corresponding to the mounting through holes on the first printed circuit board and the mounting through holes on the second printed circuit board, the selected screw passes through the mounting through holes on the first printed circuit board, is screwed in the corresponding mounting threaded hole of the lower shell, and then the selected screw passes through the mounting through holes on the second printed circuit board, sequentially passes through the cylindrical gasket and the mounting through hole on the first printed circuit board, and is screwed in the corresponding mounting threaded hole of the lower shell.

[0017] The utility model discloses the beneficial effect is:

[0018] 1, the utility model discloses a link post through hole is seted up on the second printed circuit board, makes link post can pass through the second printed circuit board, from the upper shell leads out, can thus control circuit and functional connector are arranged on the second printed circuit board, and power device is arranged on the first printed circuit board, reduces the area of single piece printed circuit board, like this can reduce the volume of whole control device, widens its application occasion.

[0019] 2, the utility model discloses through setting up the wiring frame that each link post is arranged hole is separately separated, forms the independent wiring channel of the protection cover that the wiring frame is covered in, makes the wiring more neat and convenient, can also avoid adjacent conductor short circuit simultaneously, and makes the terminal of wiring get very good protection.

[0020] 3, the utility model discloses the waterproof air -permeable mouth is seted up in the area of the wiring frame of the upper shell, and the inner side of the upper shell is provided with waterproof air -permeable membrane at the waterproof air -permeable mouth, is used for balancing the pressure difference of controller, prevents the water vapor from entering into the controller.

[0021] 4, the utility model discloses the setting down the arranged room on the mounting surface of the lower shell is downwards, and adopts aluminum base printed circuit board (referred to as aluminum base board) as the first printed circuit board, and the aluminum base board is directly attached to the bottom wall of the arranged room, further improves the heat dissipation effect, also makes the positioning installation of the first printed circuit board more accurate and convenient, improves the assembly efficiency.

[0022] 5, the utility model discloses the setting up the pad column corresponding with the overhanging part of the second printed circuit board on the mounting surface of the lower shell, and the overhanging part of the second printed circuit board is placed on the pad column, so that the overhanging part of the second printed circuit board is more stable, and the pressure capacity is greatly improved, so that the second printed circuit board can be effectively prevented from being damaged due to excessive bending during the plugging process of the functional connector.

[0023] 6, the utility model discloses the setting of the anti -overflow gasket on the functional connector can effectively prevent the water from overflowing into the shell.

[0024] 7. The utility model discloses a sealing gasket is set up to the wiring post via hole that the wiring post passes on the second printed wiring board, and then is inserted into the wiring post setting hole on the upper shell, make the sealing of wiring post and upper shell more convenient.

[0025] 8. The utility model discloses a plurality of horizontal holes are set up below the wiring thread hole along the height direction of wiring post, guarantee the strength of whole wiring post, and save material cost.

[0026] 9. The utility model discloses a ring -shaped glue injection groove is set up around the rim on the lower shell, and when installing, can drip sealing glue to the ring -shaped glue injection groove on the lower shell, guarantee the sealing between upper shell and lower shell. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the three-dimensional structure schematic diagram of controller that the utility model discloses.

[0028] Figure 2 It is the explosion structure schematic diagram of one perspective of controller that the utility model discloses.

[0029] Figure 3 It is the explosion structure schematic diagram of another perspective of controller that the utility model discloses.

[0030] Figure 4 It is the three-dimensional structure schematic diagram of controller that the utility model discloses removes the protective cover.

[0031] Figures 1 to 4 The reference signs in the drawings are respectively: 1, protective cover, 15, wiring slot, 16, wiring slot, 3, upper shell, 31, plug-in window, 311, ring -shaped glue injection groove, 32, wiring stand, 321, enclosure, 322, partition, 325, wiring slot, 33, wiring post setting hole, 37, waterproof air vent, 4, waterproof air permeable membrane, 5, second circuit board, 50, second printed wiring board, 51, functional connector, 52, anti -overflow gasket, 53, sealing gasket, 531, ring -shaped edge, 6, first circuit board, 60, first printed wiring board, 61, row pin, 63, wiring post, 631, horizontal square hole, 67, pad column, 68, cylindrical gasket, 9, lower shell, 91, installation surface, 92, ring -shaped glue injection groove, 96, setting chamber, 97, mounting thread hole, 98, external installation through -hole. DETAILED DESCRIPTION

[0032] The specific implementation scheme of the lower shell heat dissipation type controller of the utility model is described in detail below in combination with the drawings.

[0033] As Figures 1 to 3As shown, the utility model discloses a lower shell heat dissipation type controller, include: by lower shell 9 and set up on lower shell 9 upper shell 3 constitute the shell, and set up in control panel in the shell, the inside of lower shell 9 is mounting surface 91, lower shell 9 is set up on its mounting surface 91 four corners all mounting screw hole 97 for fixing upper shell 3 and lower shell 9, and the external installation through -hole 98 for installing lower shell 9 on the corresponding carrier, the lower shell 9 is set up annular injection glue groove 92 around the rim on its mounting surface 91, and the annular injection glue groove 92 is located all mounting screw hole 97 and the inside of external installation through -hole 98, the control panel includes: set up on the mounting surface 91 of lower shell 9 first circuit board 6, and set up above first circuit board 6 second circuit board 5, the specific structure of first circuit board 6 includes: first printed circuit board 60, and set up on first printed circuit board 60 several power devices, five binding posts 63, several mounting vias and several mounting through -holes ( belong to the conventional skill of the art, here no longer expand the description), and the top end face of binding post 63 is set with binding thread hole, the specific structure of second circuit board 5 includes: second printed circuit board 50, and set up on second printed circuit board 50 functional connector 51, the binding post via hole corresponding with binding post 63, and the mounting through -hole corresponding with the mounting via on first printed circuit board 60 ( belong to the conventional skill of the art, here no longer expand the description), and the functional connector 51 is set with anti -overflow washer 52, the lower shell 9 is set down with the installation room 96 that first printed circuit board 60 cooperates on its mounting surface 91, and the first printed circuit board is set in installation room 96, and the bottom wall of installation room 96 is adhered, the mounting surface 91 of lower shell 9 is set with the mounting screw hole ( belong to the conventional skill of the art, here no longer expand the description) corresponding with the mounting through -hole on first printed circuit board 60 and the mounting through -hole on second printed circuit board 50, and the selected screw passes through the mounting through -hole on first printed circuit board 60, and is tightened in the corresponding mounting screw hole on lower shell 9, and the selected screw passes through the mounting through -hole on second printed circuit board 50, and then in proper order passes through cylindrical washer 68 and the corresponding mounting via on first printed circuit board 60, and is tightened in the corresponding mounting screw hole on lower shell 9 ( belong to the conventional skill of the art, here no longer expand the description).The second printed circuit board 50 is arranged with the function connector 51 on one side of the second printed circuit board 50, and the second printed circuit board 50 is arranged with an overhanging part beyond the first printed circuit board 60. The lower shell 9 is arranged with two pads 67 on the mounting surface 91 of the lower shell 9, and the pads 67 are arranged with threaded holes on the upper end surface of the pads 67. The overhanging part of the second printed circuit board 50 is arranged on the pads 67 and is arranged with pad mounting holes corresponding to the pads 67. Screws are selected to pass through the pad mounting holes on the second printed circuit board 50 and are screwed into the threaded holes of the pads 67. The upper shell 3 is arranged with wire column setting holes 33 corresponding to the wire columns 63 and plug-in windows 31 corresponding to the function connector 51. The function connector 51 is arranged in the plug-in window 31 of the upper shell 3 and is arranged together with the plug-in window 31 of the upper shell 3. The upper shell 3 is arranged with an annular glue injection groove 311 at the upper edge of the plug-in window 31. After the function connector 51 passes through the plug-in window 31, sealing glue is injected into the annular glue injection groove 311, and the sealing glue is arranged between the function connector 51 and the upper shell 3. The upper shell 3 is arranged with a wire routing frame 32 and a protective cover 1. The wire routing frame 32 is arranged with a side opening and a plurality of rows of partition plates 322 arranged in the side opening. The wire routing frame 32 is arranged with a wire routing groove 325 corresponding to the second and fourth wire routing channels. The protective cover 1 is arranged with wire routing grooves 15 corresponding to the wire routing grooves 325 of the wire routing frame 32 and wire routing grooves 16 corresponding to the first, third and fifth wire routing channels. The upper shell 3 is arranged with a waterproof and breathable port 37 in the area of the wire routing frame 32. The inner side of the upper shell 3 is arranged with a waterproof and breathable film 4 at the waterproof and breathable port 37. The wire column 63 is arranged in the wire column setting hole 33 of the upper shell 3 after passing through the corresponding wire column via hole of the second printed circuit board 50 and being sleeved with a sealing washer 53.

[0034] In actual application, the waterproof and breathable port 37 includes a plurality of strip-shaped breathable holes arranged in a rotating and uniform distribution mode (see Figure 4The waterproof air permeable hole is a circular waterproof air permeable hole (the number of the strip-shaped air permeable hole and the waterproof air permeable hole is determined according to the actual situation) located in the center of the waterproof air permeable port 37; the first printed circuit board 60 is an aluminum-based printed circuit board (referred to as an aluminum-based board); the sealing ring 53 is provided with an annular edge 531 outward at both ends, so that when the sealing glue is dripped into the terminal post installation hole 33, the glue can be prevented from seeping into the shell along the terminal post 63; the terminal post 63 is a square column, and the terminal post 63 is provided with four transverse square holes 631 along the height direction of the terminal post 63 below the terminal threaded hole. The first printed circuit board 60 is provided with a pin header 61, and the back of the second printed circuit board 50 is provided with a pin header (which belongs to the conventional technology in the art, not shown in the figure) corresponding to the pin header 61, and the first printed circuit board 60 and the second printed circuit board 50 are bridged together by inserting the pin header 61 into the pin header.

[0035] When wiring, the protective cover 1 (see Figure 4 ) needs to be removed, and then the wire is arranged in the wire channel between the two side partitions 322 or between the partition 322 and the outer side fence 321, and is connected with the corresponding terminal post 63; after being connected, the protective cover 1 (see Figure 1 ) is installed.

[0036] In summary, only the preferred embodiment of the utility model is described, and the scope of the utility model is not limited. Any equivalent change and modification made according to the shape, structure, feature and spirit of the utility model claim range should be included in the claim range of the utility model.

Claims

1. A lower case heat dissipation type controller, comprising: The utility model provides a shell and control panel set in shell, its characterized in be: the shell includes: lower shell and set on the upper shell of lower shell, the inside of lower shell is mounting surface, the control panel includes: the first circuit board set on the mounting surface of lower shell and the second circuit board set above the first circuit board, the specific structure of first circuit board includes: first printed wiring board and set on first printed wiring board a plurality of power devices, a plurality of binding posts, a plurality of mounting vias and a plurality of mounting through holes, and the top end face of binding post is provided with binding thread hole, the specific structure of second circuit board includes: second printed wiring board and set on second printed wiring board at least one functional connector, the binding post via hole corresponding with binding post, the mounting through hole corresponding with the mounting through hole on first printed wiring board, the upper shell is provided with the binding post setting hole corresponding with binding post and the plug-in window corresponding with functional connector, and functional connector is sealed with the corresponding plug-in window of upper shell and is set together, the upper shell is provided with waterproof air passage, and the inside of upper shell is provided with waterproof air film at waterproof air passage, and the binding post is from the corresponding binding post via hole of second printed wiring board and is inserted into the corresponding binding post setting hole of upper shell.

2. The lower shell heat-dissipation type controller according to claim 1, wherein, The upper shell is provided with a wiring rack that separates each binding post setting hole and forms an independent wiring channel, and a protective cover that covers the wiring rack, and the protective cover is provided with a wiring notch corresponding to the binding post setting hole.

3. The lower case heat dissipation type controller according to claim 1, wherein, The waterproof air passage includes a plurality of strip-shaped air holes arranged in a rotating and uniform distribution mode and a plurality of waterproof air holes located in the center of the waterproof air passage.

4. The lower case heat dissipation type controller according to claim 1, wherein, The first printed wiring board is an aluminum-based printed wiring board.

5. The lower case heat dissipation type controller according to claim 4, wherein, The lower shell is provided with a setting chamber on the mounting surface, which is recessed downward and matched with the first printed wiring board, and the first printed wiring board is arranged in the setting chamber and abuts against the bottom wall of the setting chamber.

6. The lower case heat dissipating type controller according to claim 1, wherein, The lower shell is provided with an annular glue injection groove around the edge.

7. The lower case heat dissipating type controller according to claim 1, wherein, The functional connector is provided with an anti-overflow gasket.

8. The lower case heat dissipating type controller according to claim 1, wherein, The binding post is provided with a sealing gasket after penetrating the binding post via hole of the second printed wiring board and penetrating the binding post setting hole of the upper shell.

9. The lower case heat dissipation type controller according to claim 8, wherein, Both ends of the sealing gasket are provided with annular edges.

10. The lower case heat dissipating type controller according to claim 1, wherein, The binding post is provided with at least two transverse holes below the binding thread hole along the height direction of the binding post.

11. The lower case heat dissipating type controller according to claim 1, wherein, The first printed wiring board and the second printed wiring board are connected together through the mutually matched pin header and the female header.

12. The lower case heat dissipating type controller according to any one of claims 1 to 11, characterized in that, The mounting surface of the lower shell is provided with mounting screw holes corresponding to the mounting through holes of the first printed wiring board and the second printed wiring board, a selected screw penetrates the mounting through hole of the first printed wiring board and is tightened in the corresponding mounting screw hole of the lower shell, and after a selected screw penetrates the mounting through hole of the second printed wiring board, the mounting via hole of the first printed wiring board and the cylindrical gasket are penetrated in sequence and are tightened in the corresponding mounting screw hole of the lower shell.

Images