CN210167989U - Novel motor controller and electric automobile - Google Patents
Novel motor controller and electric automobile Download PDFInfo
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- CN210167989U CN210167989U CN201921244936.3U CN201921244936U CN210167989U CN 210167989 U CN210167989 U CN 210167989U CN 201921244936 U CN201921244936 U CN 201921244936U CN 210167989 U CN210167989 U CN 210167989U
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Abstract
The utility model relates to a novel motor controller and an electric automobile; the direct-current quick-connection capacitor comprises a shell, wherein a capacitor body, a cooling water pipe column, an IGBT (insulated gate bipolar transistor) connecting column and a capacitor direct-current output terminal are arranged at the bottom of the shell, and a direct-current quick-connection plug is arranged on the shell; the inner wall of the shell is fixed with each capacitor body, each cooling water pipe column and each IGBT connecting column into a whole through a heat conduction insulation packaging filling rubber block, and the capacitor direct current output terminal and one end of a direct current quick connection plug connected with the capacitor direct current output terminal are arranged in the heat conduction insulation packaging filling rubber block; the upper end of the cooling water pipe column extends out of the heat-conducting insulating packaging filling rubber block, the lower end pipe opening of the cooling water pipe column is hermetically connected with the shell, the upper end of the capacitor direct-current output terminal extends out of the heat-conducting insulating packaging filling rubber block, and the upper end of the IGBT connecting column extends out of the heat-conducting insulating packaging filling rubber block. The technical problems that the cooling effect of the capacitor body in the controller is poor, the capacitor body is overheated to use and is easy to damage in the prior art are solved.
Description
Technical Field
The utility model belongs to the technical field of the machine controller technique and specifically relates to a novel machine controller and electric automobile are related to.
Background
The motor controller inevitably generates heat during operation. Therefore, the heat needs to be rapidly conducted to the outside in time through the heat dissipation structure; otherwise, the functions of the related electronic components of the controller are affected, even the related electronic components of the controller are burnt, and finally the motor cannot work, so that the heat dissipation performance of the controller is directly related to the service life of the controller.
The temperature resistance of the capacitor body can only reach 105 ℃ at present, the temperature resistance of other parts in the motor controller can reach 125 ℃, and the capacitor body becomes the shortest plate for improving the upper limit of the power of the motor controller, so that the capacitor body is researched and researched.
Patent CN201920401988.0 discloses a motor controller housing assembly, in which several heat dissipation fins are disposed on the outer surface of the housing, but the heat dissipation fins cannot directly contact with the capacitor body, so that the heat dissipation efficiency is poor.
Therefore, to the above problem the utility model discloses the urgent need provides a novel machine controller and electric automobile.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel motor controller and electric automobile, the design through novel motor controller is not good with the inside electric capacity body cooling effect of the controller that exists among the solution prior art, and overheated use, fragile technical problem.
The utility model provides a novel motor controller, which comprises a shell, wherein a plurality of capacitor bodies arranged side by side at intervals are arranged at the bottom of the shell, a plurality of cooling water pipe columns, a plurality of IGBT connecting columns and capacitor direct current output terminals are arranged in the shell, and a direct current quick-connection plug directly connected with the capacitor direct current output terminals is arranged on the shell; the inner wall of the shell, each capacitor body, each cooling water pipe column and each IGBT connecting column are fixed into a whole through a heat conduction insulation packaging filling rubber block, the height of the heat conduction insulation packaging filling rubber block is higher than that of each capacitor body, and a capacitor direct current output terminal and one end of a direct current quick connection plug connected with the capacitor direct current output terminal are arranged in the heat conduction insulation packaging filling rubber block; the upper port of the cooling water pipe column extends out the heat-conducting insulating packaging filling rubber block and the cooling water channel on the IGBT module to be communicated, the lower end pipe opening of the cooling water pipe column is hermetically connected with the shell, the upper end of the capacitor direct-current output terminal extends out the heat-conducting insulating packaging filling rubber block to be connected with the IGBT module, and the upper end of the IGBT connecting column extends out the heat-conducting insulating packaging filling rubber block.
Furthermore, a driving circuit board is stacked above the IGBT module at intervals, and a control circuit board is stacked above the driving circuit board at intervals; be equipped with IGBT output terminal on the dirver circuit board, it has electrically conductive copper post to peg graft in the IGBT output terminal, and the bottom of electrically conductive copper post is deepened inside the IGBT module, and the top of electrically conductive copper post is connected with the interchange on the casing and is connect the plug soon.
Furthermore, a ferrite common mode inductor is sleeved at one end of the direct current quick connection plug, which is connected with the capacitor direct current output terminal, and the ferrite common mode inductor is packaged in the heat conduction insulation packaging filling rubber block.
Furthermore, the cooling water pipe column comprises a water inlet pipe section and a water outlet pipe section, the upper ends of the water inlet pipe section and the water outlet pipe section extend out of the heat-conducting insulating packaging filling rubber block to be respectively communicated with an IGBT water inlet and an IGBT water outlet of a cooling water channel on the IGBT module, the bottom of the water inlet pipe section is communicated with a water inlet on the shell, and the bottom of the water outlet pipe section is communicated with a water outlet on the shell; rubber sealing rings are sleeved at the upper end openings of the water inlet pipe section and the water outlet pipe section.
Further, a temperature sensor is packaged on the capacitor body.
Furthermore, penetrating holes extending towards the inside of the IGBT connecting column are formed in the top end of the IGBT connecting column, connecting holes in one-to-one correspondence with the penetrating holes are formed in the circumferential direction of the IGBT module, and connecting rods connected with the IGBT connecting column penetrate through the connecting holes.
Furthermore, a special plug connector for directly connecting with an external plug connector is plugged on the control circuit board.
Further, the shell is integrally cast and molded.
Furthermore, the shell is made of aluminum alloy.
The utility model discloses still include an electric automobile, include as above-mentioned any one novel machine controller.
The utility model provides a pair of novel machine controller and electric automobile compares with prior art and has following progress:
1. the utility model discloses a plurality of electric capacity bodies that are the interval setting side by side are installed to the bottom of casing, have laid a plurality of cooling water tubular columns, a plurality of IGBT spliced poles and electric capacity direct current output terminal in the casing, be equipped with the direct current that is connected with electric capacity direct current output terminal direct connection and connect the plug soon on the casing; the inner wall of the shell, each capacitor body, each cooling water pipe column and each IGBT connecting column are fixed into a whole through a heat conduction insulation packaging filling rubber block, the height of the heat conduction insulation packaging filling rubber block is higher than that of each capacitor body, and a capacitor direct current output terminal and one end of a direct current quick connection plug connected with the capacitor direct current output terminal are arranged in the heat conduction insulation packaging filling rubber block; the upper port of the cooling water pipe column extends out of the heat-conducting insulating packaging filling rubber block to be communicated with a cooling water channel on the IGBT module, the lower end pipe orifice of the cooling water pipe column is hermetically connected with the shell, the upper end of the capacitor direct-current output terminal extends out of the heat-conducting insulating packaging filling rubber block to be connected with the IGBT module, the upper end of the IGBT connecting column extends out of the heat-conducting insulating packaging filling rubber block, the cooling water channel is distributed at the bottom of the shell around the capacitor body, the true water cooling of the capacitor body is realized, the high-temperature resistant grade of the capacitor body is improved, and the powerful hardware support is provided for improving the upper limit of the power of the whole; the capacitor body is directly injected and packaged at the bottom of the shell, so that the utilization space in the shell is improved, and the shell space can be maximally applied; the direct-current quick-connection plug is directly connected with the direct-current output terminal of the capacitor and is arranged in the heat-conducting insulating packaging filling rubber block, so that the heat dissipation efficiency of the direct-current quick-connection plug and the direct-current output terminal of the capacitor is improved, the normal work of the motor controller is ensured, and the service time of the motor controller is prolonged; the IGBT connecting column is convenient to install and fix, the stability of the IGBT module is guaranteed, the structural design is simple, a plurality of welding supports do not need to be added, and the installation and the disassembly are convenient; the heat conduction insulation packaging and filling rubber block can integrally comprise the capacitor body, the heat dissipation contact area is increased, the heat dissipation efficiency is improved, the heat conduction insulation packaging and filling rubber block has certain elasticity, and meanwhile, the shock absorption and the shock resistance of the capacitor body are increased.
2. The utility model discloses a drive circuit board is stacked above the IGBT module at intervals, and a control circuit board is stacked above the drive circuit board at intervals; be equipped with the IGBT output terminal on the dirver circuit board, it has electrically conductive copper post to peg graft in the IGBT output terminal, the bottom of electrically conductive copper post is deepened inside the IGBT module, the top of electrically conductive copper post and the design of the interchange on the casing meet plug connection soon, range upon range of setting, structural design is simple, easy to assemble and dismantlement, through electrically conductive copper post directly with the IGBT output terminal with exchange meet plug connection soon, need not to increase the inside pencil of casing, avoid the in disorder of casing portion pencil and too much thermal effluvium, structural design is simple, and the convenience is processed.
3. The utility model discloses a direct current connects one end cover that plug and electric capacity direct current output terminal are connected soon is equipped with ferrite common mode inductance, ferrite common mode inductance encapsulates the design in heat conduction insulation encapsulation filling rubber block, ferrite common mode inductance is arranged in heat conduction insulation encapsulation filling rubber block, the effectual ferrite common mode inductance heat that has reduced, guarantee the effective work of machine controller, ferrite common mode inductance design circularity, wear to overlap behind the direct current connects the plug soon, be fixed in heat conduction insulation encapsulation filling rubber block, simple installation, and space is saved.
4. The utility model discloses a temperature sensor is packaged on the capacitor body; a temperature sensor is arranged in the capacitor, and a capacitor over-temperature protection mechanism is arranged to monitor the temperature in the capacitor body in real time, so that the damage of the capacitor body in the capacitor body caused by the fact that the temperature of the capacitor body exceeds an upper limit value is avoided; the service life of the capacitor body is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram (top view) of the motor controller according to the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 1;
fig. 5 is a schematic structural diagram (a perspective view) of the motor controller according to the present invention;
fig. 6 is a schematic structural view (perspective view) of the connecting rod of the present invention;
fig. 7 is a circuit connection relationship block diagram of the motor controller of the present invention.
Description of reference numerals:
1. a housing; 2. a capacitor body; 3. an IGBT module; 4. a drive circuit board; 5. a control circuit board; 6. cooling the water pipe column; 7. a capacitive DC output terminal; 8. a direct current quick-connect plug; 9. a ferrite common mode inductor; 61. a water inlet pipe section; 62. a water outlet pipe section; 101. a water inlet; 102. a water outlet; 10. an IGBT connecting column; 11. a connecting rod; 13. a special plug connector; 41. an IGBT output terminal; 42. a conductive copper pillar; 16. an AC quick-connect plug.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, 2, 3, 4, and 5, the novel motor controller in this embodiment includes a casing 1, a plurality of capacitor bodies 2 arranged side by side at intervals are installed at the bottom of the casing 1, a plurality of cooling water columns, a plurality of IGBT connection columns 10, and a capacitor dc output terminal 7 are arranged in the casing 1, and a dc quick-connection plug 8 directly connected to the capacitor dc output terminal 7 is arranged on the casing 1; the inner wall of the shell 1 is fixed with each capacitor body 2, each cooling water pipe column and each IGBT connecting column 10 into a whole through a heat conduction insulation packaging filling rubber block, the height of the heat conduction insulation packaging filling rubber block is higher than that of each capacitor body 2, and one end of a capacitor direct current output terminal 7 and one end of a direct current quick connection plug 8 connected with the capacitor direct current output terminal 7 are arranged in the heat conduction insulation packaging filling rubber block; the cooling water pipe post upper end stretches out heat conduction insulation encapsulation packing is glued piece and IGBT module 3 on the cooling water course intercommunication, the lower extreme mouth of pipe and the 1 sealing connection of casing of cooling water pipe post, and electric capacity direct current output terminal 7 upper end stretches out heat conduction insulation encapsulation packing and is glued the piece and be connected with IGBT module 3, and heat conduction insulation encapsulation packing is glued the piece to IGBT spliced pole 10 upper end.
The utility model discloses a plurality of electric capacity bodies 2 that are the interval setting side by side are installed to the bottom of casing 1, and a plurality of cooling water tubular columns, a plurality of IGBT spliced poles 10 and electric capacity direct current output terminal 7 have been laid in casing 1, are equipped with the direct current quick connector 8 with electric capacity direct current output terminal 7 direct connection on casing 1; the inner wall of the shell 1 is fixed with each capacitor body 2, each cooling water pipe column and each IGBT connecting column 10 into a whole through a heat conduction insulation packaging filling rubber block, the height of the heat conduction insulation packaging filling rubber block is higher than that of each capacitor body 2, and one end of a capacitor direct current output terminal 7 and one end of a direct current quick connection plug 8 connected with the capacitor direct current output terminal 7 are arranged in the heat conduction insulation packaging filling rubber block; the upper port of the cooling water pipe column extends out of the heat-conducting insulating packaging filling rubber block to be communicated with a cooling water channel on the IGBT module 3, the lower end pipe orifice of the cooling water pipe column is hermetically connected with the shell 1, the upper end of the capacitor direct-current output terminal 7 extends out of the heat-conducting insulating packaging filling rubber block to be connected with the IGBT module 3, the upper end of the IGBT connecting column 10 extends out of the heat-conducting insulating packaging filling rubber block, the cooling water channel is distributed at the bottom of the shell 1 around the capacitor body, so that the true water cooling of the capacitor body 2 is realized, the high temperature resistant grade of the capacitor body is improved, and the powerful hardware support is provided for improving the upper limit of the power of the whole; the capacitor body 2 is directly injected and packaged at the bottom of the shell 1, so that the utilization space inside the shell 1 is improved, and the space of the shell 1 can be maximally applied; the direct-current quick-connection plug 8 is directly connected with the capacitor direct-current output terminal 7 and is arranged in the heat-conducting insulating packaging filling rubber block, so that the heat dissipation efficiency of the direct-current quick-connection plug 8 and the capacitor direct-current output terminal 7 is improved, the normal work of the motor controller is ensured, and the service life of the motor controller is prolonged; the IGBT connecting column 10 is convenient to install and fix the IGBT module 3, the stability of the IGBT module 3 is ensured, the structural design is simple, a plurality of welding supports are not required to be added, and the installation and the disassembly are convenient; the IGBT module 3 in the utility model adopts a Fuji M653 IGBT module; the heat conduction insulation packaging and filling rubber block can integrally comprise the capacitor body, the heat dissipation contact area is increased, the heat dissipation efficiency is improved, the heat conduction insulation packaging and filling rubber block has certain elasticity, and meanwhile, the shock absorption and the shock resistance of the capacitor body are increased.
The utility model discloses a IGBT water inlet and IGBT delivery port of the cooling water course of IGBT module are prior art, do not mark in the figure, and here is no longer repeated.
As shown in fig. 2, 3 and 4, in the present embodiment, a driving circuit board 4 is stacked above the IGBT module 3 at intervals, and a control circuit board 5 is stacked above the driving circuit board 4 at intervals; the driving circuit board 4 is provided with an IGBT output terminal 41, a conductive copper column 42 is inserted in the IGBT output terminal 41, the bottom of the conductive copper column 42 extends into the IGBT module 3, and the top of the conductive copper column 42 is connected with the AC quick connector 16 on the shell 1.
The utility model discloses a drive circuit board 4 is stacked above the IGBT module 3 at intervals, and a control circuit board 5 is stacked above the drive circuit board 4 at intervals; be equipped with IGBT output terminal 41 on drive circuit board 4, it has electrically conductive copper post 42 to peg graft in the IGBT output terminal 41, the bottom of electrically conductive copper post 42 is deepened inside IGBT module 3, the top of electrically conductive copper post 42 and the design of exchanging on the casing 1 and connecing plug 16 soon to be connected, range upon range of setting, structural design is simple, easy to assemble and dismantlement, it is connected with IGBT output terminal 41 and exchanging through electrically conductive copper post 42 is direct soon to connect plug 16, need not to increase the inside pencil of casing 1, avoid in disorder and too much thermal effluvium of casing 1 portion pencil, structural design is simple, and convenient processing.
As shown in fig. 4, in this embodiment, a ferrite common mode inductor 9 is sleeved at one end of the dc quick connection plug 8 connected to the capacitor dc output terminal 7, and the ferrite common mode inductor 9 is packaged in a heat-conducting insulating packaging filling rubber block.
The utility model discloses a direct current connects one end cover that plug 8 and electric capacity direct current output terminal 7 are connected soon is equipped with ferrite common mode inductance 9, ferrite common mode inductance 9 encapsulates the design in heat conduction insulation encapsulation rubber packing, ferrite common mode inductance 9 is arranged in heat conduction insulation encapsulation rubber packing, the effectual ferrite common mode inductance 9 heat that has reduced, guarantee machine controller's effective work, ferrite common mode inductance design circularizes, wear to overlap behind direct current connects plug 8 soon, be fixed in heat conduction insulation encapsulation rubber packing in, the simple installation, and space saving.
As shown in fig. 2, the cooling water pipe column in this embodiment includes a water inlet pipe section 61 and a water outlet pipe section 62, the upper ends of the water inlet pipe section 61 and the water outlet pipe section 62 both extend out from the heat-conducting insulating packaging filling rubber block to be respectively communicated with the IGBT water inlet and the IGBT water outlet of the cooling water channel on the IGBT module 3, the bottom of the water inlet pipe section 61 is communicated with the water inlet 101 on the housing 1, and the bottom of the water outlet pipe section 62 is communicated with the water outlet 102 on the housing 1; rubber sealing rings are sleeved at the upper ports of the water inlet pipe section 61 and the water outlet pipe section 62; the rubber seal ring is prior art and not shown in the figure, and is not described herein again.
The utility model discloses a cooling water pipe column 6 includes intake pipe section 61 and play water pipe section 62, intake pipe section 61 and the upper end of play water pipe section 62 are all extended from heat conduction insulation encapsulation packing rubber block and are communicated with IGBT water inlet and the IGBT delivery port of IGBT module respectively, intake pipe section 61's bottom communicates with the water inlet on the casing 1, the design of the delivery port intercommunication on the bottom of play water pipe section 62 and the casing 1, the cooling water course obtains through CAE analysis and optimal design, be equipped with the cooling water course in the IGBT module, still be equipped with the cold water import and the cold water export that communicate with the cooling water course on the IGBT module, the cold water import communicates with intake pipe section 61, the cold water export communicates with play water pipe section 62, structural design is simple, easy processing, the water resistance is little, the pressure differential is low, high to electric capacity body 2; through the design of rubber seal, guarantee the compactness that inlet pipe section 61 and play water pipe section 62 are connected with IGBT water inlet and IGBT delivery port respectively, avoid oozing of water, influence machine controller's normal work.
The capacitor body 2 in the utility model is packaged with a temperature sensor; a temperature sensor is arranged in the capacitor, and a capacitor over-temperature protection mechanism is arranged to monitor the temperature in the capacitor body 2 in real time, so that the critical temperature of the capacitor body 2 can be reached in the use process, the motor controller can run at the maximum power, and the damage of the capacitor body in the capacitor body 2 caused by the temperature of the capacitor body 2 exceeding the upper limit value is avoided; the service life of the capacitor body 2 is improved, and a temperature sensor is not shown in the figure, is a known technology, and will not be described in detail herein.
As shown in fig. 3 and 6, in the present embodiment, the top end of the IGBT connecting column 10 is provided with penetrating holes 1001 extending into the IGBT connecting column 10, the IGBT module 3 is circumferentially provided with connecting holes corresponding to the penetrating holes 1001 one by one, and the connecting rod 11 connected to the IGBT connecting column 10 penetrates through the connecting holes; connecting rod 11 includes first linkage segment 111 and locates the second linkage segment 112 of first linkage segment 111 upper end, and first linkage segment 111 and the coaxial setting of second linkage segment 112, the external diameter of first linkage segment 111 is less than the external diameter of second linkage segment 112, and the top of second linkage segment 112 is equipped with screw hole 113, and first linkage segment 111 outer wall is equipped with the external screw thread, and the transversal polygon setting of personally submitting of second linkage segment 112.
The utility model arranges a plurality of IGBT connecting columns 10 in the shell 1, the upper ends of the IGBT connecting columns 10 extend out from the top of the heat-conducting insulating packaging filling rubber block, the top ends of the IGBT connecting columns 10 are provided with penetrating holes 1001 extending towards the interior of the IGBT connecting columns 10, the IGBT module 3 is circumferentially provided with connecting holes corresponding to the penetrating holes 1001 one by one, the connecting rod 11 connected with the IGBT connecting columns 10 is penetrated in the connecting holes, the installation and fixation of the IGBT module 3 are convenient, the disassembly and the maintenance are convenient, the installation structure is simple, the manufacturing cost is reduced, the connecting rod 11 comprises a first connecting section 111 and a second connecting section 112 arranged at the upper end of the first connecting section 111, the first connecting section 111 and the second connecting section 112 are coaxially arranged, the outer diameter of the first connecting section 111 is smaller than that of the second connecting section 112, the top of the second connecting section 112 is provided with a threaded hole 113, the outer wall of the first connecting section 111 is provided, the cross section of the second connecting section 112 is polygonal, the lower end of the connecting rod 11 is conveniently connected with the IGBT connecting column 10, the top end of the connecting rod 11 is conveniently connected with the control circuit board 5, and the detachable connecting piece 12 penetrates through the control circuit board 5 and is in threaded connection with the threaded hole 113.
As shown in fig. 2, 3, 4, and 5, the control circuit board 5 of the present embodiment is plugged with a dedicated plug 13 for direct connection with an external plug 19.
The utility model discloses a control circuit board 5 is gone up to peg graft and is had the design that is used for the special plug connector 13 with 19 lug connection of outside plug connector, makes things convenient for the lug connection of outside plug connector 19 and control circuit board 5, need not to introduce the pencil, and workable and equipment save the inside pencil of machine controller to reduce the inside heat of controller, structural design is simple.
The shell 1 of the utility model is integrally cast and molded; the shell 1 is made of aluminum alloy; light weight and compact structure.
As shown in fig. 2 and 4, the top end of the capacitor output terminal 7 of the present embodiment extends from the heat-conducting insulating packaging filling rubber block to overlap with the driving circuit board 4, and is fastened to the driving circuit board by bolts.
The utility model discloses a top of electric capacity direct current output terminal 7 is filled the gluey piece from heat conduction insulation and is stretched out and 4 laps of drive circuit board to fasten in integrative design through the bolt, realize being connected of electric capacity direct current output terminal 7 and drive circuit board 4, structural design is simple, simple to operate.
The side wall of the middle shell 1 of the utility model is provided with the vent hole, which is convenient for the heat inside the shell to be dissipated; the vent holes are conventional and are well known in the art and are not labeled.
As shown in fig. 5, a sheet metal fixing frame mounting hole is formed in the outer wall of the housing 1 in this embodiment, and an installation sheet metal fixing frame 18 is installed in the sheet metal fixing frame mounting hole.
The utility model discloses a be equipped with panel beating mount mounting hole on the 1 outer wall of casing, install the design of installation panel beating mount 18 on the panel beating mount mounting hole, can install the relay on panel beating mount 18, can save the space of 1 inside of casing, avoid 1 inside devices of casing too much, lead to rising temperature too fast, influence machine controller's normal work.
As shown in fig. 2 and 4, in the present embodiment, the capacitor dc output terminal 7 penetrating through the thermal conductive insulating packaging filling rubber block is bent.
The utility model discloses a fill the design that electric capacity direct current output terminal 7 that the piece was worn out was buckled and set up from heat conduction insulation packaging, make things convenient for electric capacity direct current output terminal 7 to be connected with drive circuit board 4.
The utility model discloses be equipped with the quick connector plug mounting hole of interchange on the 1 outer wall of casing, exchange and install interchange quick connector plug 16 in the quick connector plug mounting hole.
As shown in fig. 7, a plurality of smoke sensors are arranged at intervals in the circumferential direction inside the shell 1 of the present embodiment, the smoke sensors are electrically connected with the central controller, the switch of the motor controller is electrically connected with the central controller, whether smoke exists inside the shell is monitored, and a fire source is found in time to ensure safe and normal running of an automobile.
Smoke transducer chooses the miniature smoke transducer who produces of zhengzhou weisheng electron science and technology limited company for use, the utility model discloses aim at protecting the scheme behind the whole electricity connection of above-mentioned electrical part, above-mentioned electrical part is only the process of accomplishing signal transmission, and does not do the processing on the software to signal itself.
The utility model discloses motor controller's motor controller manufacturing approach, including following step:
s1) preparing a case 1, the inner bottom of the prepared case 1 having a plurality of cooling water columns and a plurality of IGBT connecting columns 10; the design purpose of the cooling water pipe columns is to directly cool the capacitor body 2, the cooling water channels are arranged on the circumference of the capacitor body 2, so that the capacitor body 2 is really cooled by water, the cooling effect is good through the optimized design of CAE, and the normal work of the capacitor body 2 is ensured, when the temperature in the motor controller exceeds 105 ℃, the temperature of the capacitor body 2 cannot exceed 105 degrees due to the cooling of the capacitor body 2 by water, and the normal work of the motor controller is ensured within the normal working range of the capacitor body 2; the design of a plurality of IGBT spliced poles 10, the purpose realizes that the installation to the IGBT module is fixed, guarantees that the IGBT module is firm in casing 1 inside, guarantees motor controller's normal work.
S2) installing a plurality of capacitor bodies at the bottom of the shell 1, enabling the capacitor bodies to be arranged in gaps among the inner wall of the shell 1, each cooling water pipe column and each IGBT connecting column 10, sleeving the ferrite common mode inductor 9 on the direct current quick-connection plug 8 which extends into the shell 1, then directly connecting the capacitor direct current output terminal 7 with the direct current quick-connection plug 8 on the shell 1, and packaging the capacitor bodies, the cooling water pipe columns, the IGBT connecting columns 10, the direct current quick-connection plugs 8, the capacitor direct current output terminal 7 and the ferrite common mode inductor 9 at the bottom of the shell 1 by adopting heat conduction insulation packaging filling glue; the capacitor body is packaged at the bottom of the shell through the heat-conducting insulating packaging filling glue, so that the utilization space in the shell 1 is improved, the space of the shell 1 can be maximally applied, and meanwhile, the heat dissipation effect on the capacitor body 1 is improved; the direct-current quick-connection plug 8 is directly connected with the capacitor direct-current output terminal 7 and is arranged in the heat-conducting insulating packaging filling rubber block, so that the heat dissipation efficiency of the direct-current quick-connection plug 8 and the capacitor direct-current output terminal 7 is improved, and meanwhile, the ferrite common-mode inductor 9 is also arranged in the heat-conducting insulating packaging filling rubber block, so that the heat dissipation efficiency is improved, and the normal work of the motor controller is ensured.
S3) installing the IGBT module 3 and the driving circuit board 4 outside the shell 1 into a whole, and then connecting and fixing the IGBT module 3 and the driving circuit board 4 with the IGBT connecting column 10 through the connecting rod 11, so that the IGBT module 3 and the driving circuit board 4 are fixed above the capacitor body 2; outside casing 1, install IGBT module 3 and dirver circuit board 4 as an organic whole, convenient equipment can entrust third party's production, saves manufacturing cost, improves work efficiency, shortens the time on the market of car.
S4) inserting the conductive copper pillar 42 from the IGBT input terminal on the drive circuit board 4 and downward into the IGBT module 3, and connecting the ac quick-connect plug 16 on the housing 1 with the conductive copper pillar 42; structural design is simple, and easy to assemble and dismantlement are connected IGBT output terminal 41 and exchange quick connector 16 through electrically conductive copper post 42 is direct, need not to increase the inside pencil of casing 1, avoid in disorder and too much thermal effluvium of casing 1 portion pencil, and structural design is simple, convenient processing.
S5) placing the control circuit board 5 on the top end of each connecting rod 11, and detachably connecting the control circuit board with the connecting rods 11 through bolts; easy to assemble and dismantle, structural design is simple, improves the installation effectiveness, also is convenient for maintain simultaneously.
The utility model discloses an insulating heat conduction glue that the Dongguan produced according to beautiful polymerization products limited company is selected for use to heat conduction insulating encapsulation filling glue.
The utility model discloses still include an electric automobile, include as above-mentioned any one novel machine controller.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A novel motor controller is characterized in that: the direct current capacitor comprises a shell (1), wherein a plurality of capacitor bodies (2) arranged side by side at intervals are installed at the bottom of the shell (1), a plurality of cooling water pipe columns, a plurality of IGBT connecting columns (10) and capacitor direct current output terminals (7) are distributed in the shell (1), and direct current quick connecting plugs (8) directly connected with the capacitor direct current output terminals (7) are arranged on the shell (1); the inner wall of the shell (1) is fixed with each capacitor body (2), each cooling water pipe column and each IGBT connecting column (10) into a whole through a heat conduction insulation packaging filling rubber block, the height of the heat conduction insulation packaging filling rubber block is higher than that of each capacitor body (2), and one end of a capacitor direct current output terminal (7) and one end of a direct current quick connection plug (8) connected with the capacitor direct current output terminal (7) are arranged in the heat conduction insulation packaging filling rubber block; the port stretches out on the cooling water pipe post cooling water course intercommunication on heat conduction insulation encapsulation packing rubber block and IGBT module (3), the lower extreme mouth of pipe and casing (1) sealing connection of cooling water pipe post, and electric capacity direct current output terminal (7) upper end stretches out heat conduction insulation encapsulation packing rubber block and is connected with IGBT module (3), and heat conduction insulation encapsulation packing rubber block is stretched out to IGBT spliced pole (10) upper end.
2. The novel motor controller of claim 1, wherein: a driving circuit board (4) is stacked above the IGBT module (3) at intervals, and a control circuit board (5) is stacked above the driving circuit board (4) at intervals; be equipped with IGBT output terminal (41) on drive circuit board (4), it has electrically conductive copper post (42) to peg graft in IGBT output terminal (41), and the bottom of electrically conductive copper post (42) is gone deep into inside IGBT module (3), and the top of electrically conductive copper post (42) is connected with interchange quick connector (16) on casing (1).
3. The novel motor controller of claim 2, wherein: one end of the direct current quick connection plug (8) connected with the capacitance direct current output terminal (7) is sleeved with a ferrite common mode inductor (9), and the ferrite common mode inductor (9) is packaged in the heat conduction insulation packaging filling rubber block.
4. The novel motor controller of claim 3, wherein: the cooling water pipe column comprises a water inlet pipe section (61) and a water outlet pipe section (62), the upper ends of the water inlet pipe section (61) and the water outlet pipe section (62) extend out of the heat-conducting insulating packaging filling rubber block to be respectively communicated with an IGBT water inlet and an IGBT water outlet of a cooling water channel on the IGBT module (3), the bottom of the water inlet pipe section (61) is communicated with a water inlet (101) on the shell (1), and the bottom of the water outlet pipe section (62) is communicated with a water outlet (102) on the shell (1); rubber sealing rings are sleeved at the upper ports of the water inlet pipe section (61) and the water outlet pipe section (62).
5. The novel motor controller of claim 4, wherein: the capacitor body (2) is packaged with a temperature sensor.
6. The novel motor controller of claim 5, wherein: the top end of the IGBT connecting column (10) is provided with penetrating holes (1001) extending towards the inside of the IGBT connecting column (10), connecting holes in one-to-one correspondence with the penetrating holes (1001) are circumferentially arranged on the IGBT module (3), and connecting rods (11) connected with the IGBT connecting column (10) penetrate through the connecting holes.
7. The novel motor controller of claim 6, wherein: the control circuit board (5) is plugged with a special plug connector (13) which is directly connected with an external plug connector.
8. The novel motor controller of claim 7, wherein: the shell (1) is integrally cast and molded.
9. The novel motor controller of claim 8, wherein: the shell (1) is made of aluminum alloy.
10. An electric vehicle, characterized in that: comprising a novel motor controller according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921244936.3U CN210167989U (en) | 2019-08-02 | 2019-08-02 | Novel motor controller and electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921244936.3U CN210167989U (en) | 2019-08-02 | 2019-08-02 | Novel motor controller and electric automobile |
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| CN210167989U true CN210167989U (en) | 2020-03-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417309A (en) * | 2019-08-02 | 2019-11-05 | 北斗航天汽车（北京）有限公司 | Novel motor controller, electric machine controller manufacturing method and electric car |
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2019
- 2019-08-02 CN CN201921244936.3U patent/CN210167989U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417309A (en) * | 2019-08-02 | 2019-11-05 | 北斗航天汽车（北京）有限公司 | Novel motor controller, electric machine controller manufacturing method and electric car |
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