CN202019333U - Structure of motor driving controller of electric automobile - Google Patents
Structure of motor driving controller of electric automobile Download PDFInfo
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- CN202019333U CN202019333U CN2011200797097U CN201120079709U CN202019333U CN 202019333 U CN202019333 U CN 202019333U CN 2011200797097 U CN2011200797097 U CN 2011200797097U CN 201120079709 U CN201120079709 U CN 201120079709U CN 202019333 U CN202019333 U CN 202019333U
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Abstract
A structure of a motor driving controller of an electric automobile belongs to the technical field of electric automobile driving systems, and mainly comprises a shell with an open bottom, a control panel, a drive board and a baseplate and the like, wherein the control panel and the drive board are arranged inside the shell, and the baseplate is arranged at the bottom of the shell. The shell and the baseplate are made of metal in a sealed mode. Since welded metal connecting pieces are arranged in the motor controller structure without a movable lead, effect of automobile shaking on a signal connecting wire is fully reduced and safety and reliability of the motor driving controller is effectively ensured. The structure of the motor driving controller has the advantages of compact structure, reasonable arrangement, flexible radiation mode, high shake-proof performance, high protection level, fine electromagnetic shielding effect, and the like, can be widely applied to electric automobiles and particularly applicable to the small-sized electric automobiles with the power equal to 20KW or lower than 20KW.
Description
One, technical field
The utility model belongs to the drive system of electric automobile technical field, is specifically related to the structure of the motor drive controller of electric automobile.
Two, background technology
The energy has become the focus of international competition and various countries' contention in recent years, and energy security is the important component part of national security.Electric vehicle engineering becomes the focus of countries in the world research and development as the important technology of energy savings.Motor drive controller is one of key components and parts of electric motor car, motor drive controller is made of several main parts such as governor circuit, drive circuit, power component, energy storage filter circuits, have in light weight, characteristics such as volume is little, compact conformation, reasonably the motor driver topology layout becomes a key factor that improves the motor drive controller performance.
The structure of the motor driver of existing electric automobile, as the patent No. is " a kind of motor driver controller that is used for electric automobile " patent of ZL03230791.8 and " a kind of new structure design that is used for the motor in electric automobile driver " literary composition of the 38th the 1st phase of volume of " power electronic technology " February in 2004, disclosed controller mainly comprises: by filter circuit, three power models (constituting three power brachium pontis respectively) that four filtering capacitors are formed in parallel, three absorb the absorption piece that electric capacity is formed.The structure of disclosed this controller mainly is made up of closed cabinet and the heating panel that is fixed in the cabinet, and heating panel inside is provided with cooling water channel.Its cabinet is welded with the thick steel plate of 2mm, separates with aluminium sheet in the centre.Permanent seam crossing at cabinet adopts the welding procedure sealing, adds solid conductive rubber strip as conductive gasket at the impermanency seam crossing of cabinet, and cabinet makes shield have the effect of electrostatic screen and electromagnetic shielding simultaneously by the radiator reliable ground.Be connected with three-in-one bus on heating panel, rivet boss on the both positive and negative polarity bus of three-in-one bus, the two ends of the two ends of four filtering capacitors and three power models and the two ends of three absorption pieces are fixed on the boss of positive and negative bus with bolt respectively.The major defect of this controller architecture is:
1. adopt four bolts to connect the electrochemical capacitor energy storage filter capacitor group that constitutes in parallel, because the volume of this electric capacity is big, in motor drive controller design capacity difference, the application scenario increases several this electric capacity not simultaneously, can cause the controller volume to be multiplied.
2. connecing electrochemical capacitor in succession with bolt needs to be fixed into an integral body with metallic support, is installed on the radiator.The volume of this electric capacity own is big, weight is big, and with the fixing frequent high strength vibrations that can not guarantee to stand on the automobile of support, poor seismic behavior makes support loosening easily, further makes filtering accumulator cisco unity malfunction.
The absorption circuit of 3. two noninductive electric capacity; be directly installed on the positive and negative terminal of power model; noninductive electric capacity can't fully be fixed protection; through high strength vibrations frequent on the automobile; very easily make the pin breakage of electric capacity; causing absorbing circuit like this can't operate as normal, causes the motor drive controller can't reliably working, poor reliability.
4. drive plate, control board, three parallel placements of power model, only adding aluminium plate isolation in the middle of it, between control board and the drive plate, between three of drive plates and the power model, be connected by lead, lead is influenced by thump very easily and ruptures, thereby causes power model reliably to control, motor drive controller is damaged, further reduce the reliability of motor drive controller.
5. adopt the heating panel of band water channel, volume is big, and the controller radiating mode is dumb, is unfavorable for the installation in the small space on the automobile.
Three, summary of the invention
The purpose of this utility model is the deficiency at existing motor in electric automobile driving governor structure, a kind of structure of motor drive controller of electric automobile is provided, has compact conformation, rationally distributed, radiating mode is flexible, anti-shake performance is strong, degree of protection height, characteristics such as effectiveness is good.
The realization the technical solution of the utility model is: a kind of motor drive controller of electric automobile comprises that mainly the filtering accumulator is (by 8～16 direct insertion electrochemical capacitor C
1Formation in parallel), absorb circuit (by a noninductive capacitor C
2Constitute), power model (be inside integrated the power model of three power brachium pontis), drive circuit (mainly constituting) by optocoupler and isolating switch power, current sensor LHa, the LHc of governor circuit (constituting) and A, C two-phase by main control chip and peripheral circuit thereof.
The structure of the motor drive controller of described electric automobile mainly is made of casing, control board, drive plate, substrate etc.
Described casing is aluminium alloy or the copper alloy or the stainless interior empty rectangle housing of bottom opening.The length of described casing is that 250～350mm, width are 130～230mm, highly are that 60～80mm, wall thickness are 3～7mm.At the minor face place of described casing top end face, be provided with three through holes, three alternating current binding posts of A, B, C three-phase alternating current are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these three through holes.Three alternating current binding posts are positioned at the outer end of casing, are connected with the binding post of three stator winding of permagnetic synchronous motor respectively by cable respectively, in order to three-phase alternating current is led to permagnetic synchronous motor from motor drive controller.At the Chang Bianchu of described casing top end face, be provided with two through holes, just (P), negative (N) two direct current binding posts are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these two through holes.Just (P), negative (N) two direct current binding posts are positioned at the outer end of casing, are connected with the positive and negative electrode of storage battery respectively by cable respectively, in order to direct current is introduced into motor drive controller from storage battery.At the minor face of described casing and be provided with the top, side of the another side of three through holes corresponding to top end face, be provided with a through hole, control signal connector socket (being commercially available waterproof plastic socket) is packed in this through hole by screw, nut and seal washer.The control signal connector socket is positioned at an end of casing, for curved contact pin, directly is welded on the control board.The control signal connector socket is positioned at the outer other end of casing, by the supporting plug cable of control signal connector socket, is connected with the socket of vehicle control system and the rotor-position signal lead socket on the permagnetic synchronous motor respectively.Thereby; by control signal connector socket and supporting plug cable thereof; the control signal of the vehicle control system of outside and the rotor-position signal of permagnetic synchronous motor have been incorporated on the control board; make motor drive controller can accept external control signal; realization is to the real-time control of permagnetic synchronous motor; simultaneously, sealing between control signal connector socket and the casing, insulation, the element of protection casing inside is not subjected to the influence of environment (as rainwater, dust).Around the inboard of described bottom of shell openend, evenly be provided with the inner ear of 4～8 band screws; from the base plate bottom screw that passes through and inner ear and the rubber cushion of being with screw; casing and substrate is affixed; make between casing and the substrate to seal, thereby the elements such as control board, drive plate and power model of protection casing inside are not subjected to the influence of environment (as rainwater, dust).Around the top end face of described casing inside, the protruding support columns of 4～8 band inner bolt holes evenly are set, so that control board is fixed in the top of casing inside by screw and packing ring.
Described control board is a printed circuit board (PCB), and length is that 200～300mm, width are 100～200mm.The governor circuit of the motor drive controller of electric automobile is arranged on the control board.Around control board, and, be provided with 4～8 through holes,, control board be fixed in the top of casing inside by this 4～8 through holes and screw and packing ring corresponding to the protruding support column places of 4～8 of described casing top end face band inner bolt holes.Plate is commercial product to board connector, and 40 groups of metal pins to inserting are arranged.Plate is welded on the control board the plug end of board connector, the input that drive circuit on the governor circuit on the control board and the drive plate and the secondary connecting circuit of two current sensor LHa, LHc are connected, output all by plate to the plug and socket of board connector not on the same group metal pins be connected.Plate is welded on the drive plate the socket end of board connector.
Described drive plate is a printed circuit board (PCB), and length is that 200～300mm, width are 100～200mm.The drive circuit of the motor drive controller of electric automobile, the filtering accumulator, the secondary connecting circuit that absorbs circuit and two current sensor LHa, LHc is arranged on the drive plate.The input that the secondary connecting circuit of drive circuit on the drive plate and two current sensor LHa, LHc is connected with the governor circuit on the control board, output are connected with the different metal pin of plate to the socket of board connector respectively.When the substrate of described casing and its bottom is affixed, plate docks respectively with 40 groups of metal pins of socket in groups to the board connector plug, form the signal transmission channels between control board and the drive plate, finish the information interaction between the secondary of governor circuit on the control board and the drive circuit on the drive plate and two current sensor LHa, LHc.
Described substrate is aluminium alloy or copper alloy or stainless rectangular slab.The length of described substrate is that 250～350mm, width are 130～230mm, highly are 20～40mm.Three alternating current binding posts on the aforesaid chassis are positioned at an end of casing, to draw an end of copper bar affixed with three alternating currents respectively, it is affixed with an end of three alternating currents switching copper bars respectively by screw respectively that three alternating currents are drawn the other end of copper bar, is positioned on the alternating current insulation support rim again.Alternating current insulation support rim is fixedly mounted on the substrate, in order to alternating current switching copper bar is played a supportive role.The other end of three alternating currents switching copper bars with respectively by passing the screw of drive plate, affixed with three alternating current wiring pins of power model respectively.Three alternating current binding posts, three alternating currents are drawn copper bar, three alternating current switching copper bars link to each other respectively, receive three alternating current wiring pins of power model more respectively, thereby it are inner to outside three-phase alternating current extraction channel to have formed motor drive controller.On the substrate below three alternating current switching copper bars, be provided with the groove (being called for short the current sensor groove) of placing two current sensor LHa, LHc, the length of current sensor groove is that 90～150mm, width are that 20～40mm, the degree of depth are 10～30mm.At the other end of described substrate, be provided with and be placed with 8～16 direct insertion electrochemical capacitor C
1Groove (be called for short capacitor groove), the length of capacitor groove is that 120～200mm, width are that 100～150mm, the degree of depth are 10～30mm.On the substrate between current sensor groove and the capacitor groove, a power model (be inside integrated the power model of three power brachium pontis) is installed by 4～8 screw.Described power model is the commercially available prod, and electric pressure is that 600～1200V, current class are 200～450A.The driving pin of power model is welded on the drive circuit on the drive plate, the drive signal that governor circuit on the control board is sent, through plate the metal pins of board connector is delivered to drive circuit on the drive plate, drive signal after drive circuit carries out power amplification is delivered on the driving pin of power model, thereby has realized the control of governor circuit to power model.A, C in aforesaid three alternating currents switching copper bar two alternating current switching copper bars mutually passes from the former limit of two current sensor LHa, LHc respectively, the secondary pin of two current sensor LHa, LHc welds respectively on the secondary connecting circuit of two current sensor LHa, LHc on above it the drive plate, and, make two current sensor LHa, LHc strengthen being fixed on the drive plate by glue.Two current sensor LHa, LHc are the commercially available prod, and the full test current range is 200A～450A.The A that the secondary connecting circuit of two current sensor LHa, LHc will be tested, C phase current signal are transferred to governor circuit on the control board by plate to the metal pins of board connector.On the drive plate above the aforementioned capacitor groove, 8～16 direct insertion electrochemical capacitor C of welding in parallel
1The filtering accumulator that constitutes.On drive plate, by covering the Copper Foil technology, with electrochemical capacitor C
1The positive and negative electrode pin be connected to the positive and negative electrode large tracts of land Copper Foil of the mutually insulated of upper and lower layer respectively.By covering the Copper Foil technology, the positive and negative electrode Copper Foil on the drive plate is covered respectively to the top of the positive and negative electrode direct current wiring pin of power model, and use zinc-plated technology again, form the zinc-plated Copper Foil of positive and negative electrode of mutually insulated.Screw by passing drive plate is fixed together the zinc-plated Copper Foil of positive and negative electrode and an end of positive and negative two direct currents switching copper bar and the positive and negative electrode direct current wiring pin of power model respectively.The zinc-plated Copper Foil of positive and negative electrode is connected to the positive and negative electrode direct current wiring pin of positive and negative two direct currents switching copper bar and power model, is electrically connected thereby the positive and negative electrode direct current wiring pin of the positive and negative electrode of filtering accumulator and power model has been had respectively.The other end of positive and negative two direct currents switching copper bar, affixed with the end that positive and negative two direct currents are introduced copper bar respectively with screw, be positioned over again on the direct current insulation support rim.Direct current insulation support rim is fixedly mounted on the substrate, in order to direct current switching copper bar is played a supportive role.The other end that positive and negative two direct currents are introduced copper bar respectively with aforesaid casing on just (P), part in negative (N) two direct current binding posts casing affixed.Two direct current binding posts, two direct currents are introduced copper bar, two direct current switching copper bars link to each other respectively, receive the positive and negative electrode direct current wiring pin of power model more respectively, thereby the direct current that has formed the motor drive controller external-to-internal are introduced passage.By a noninductive capacitor C
2Two pins of the absorption circuit that constitutes are not welded on the limit of the zinc-plated Copper Foil of positive and negative electrode of contact positive and negative electrode direct current switching copper bar on the drive plate, and are fastened on the drive plate by glue, thereby prevent that not only jerk from causing noninductive capacitor C
2Pin breakage, make its pin as much as possible near the positive and negative electrode direct current wiring pin of power model again, play good assimilation effect.Between described drive plate and substrate, the insulation support column of 2～4 isometric hollows is set, with from drive plate and the screw that passes the hollow insulation support column, drive plate is packed on the substrate, the insulation support column plays the effect of drive plate being carried out fixed support.
After the utility model adopted technique scheme, main effect was as follows:
1. casing and substrate adopt metal to make; constitute the space of a sealing by Seal Design; not only protect the element of casing inside not to be subjected to the influence of environment (as rainwater, dust); but also play the effect of electromagnetic shielding, prevent that motor drive controller from disturbing other electronic equipment in the automobile.According to different application scenarios, different environment for use, substrate can also be installed on the bigger radiator again and dispel the heat.Such design can make controller system accomplish compact conformation, and rationally distributed, heat dissipation design is flexible, and anti-shake performance is strong, the degree of protection height.
2. the filtering accumulator adopts the direct insertion electrochemical capacitor of high-performance to compose in parallel, and it is small and exquisite a lot of that direct insertion electrochemical capacitor volume is compared bolt connection electrochemical capacitor volume.To the capacity difference, during the different controller in application scenario, bulk is less demanding, increases several direct insertion electrochemical capacitors and can not cause the controller volume to be multiplied, thereby make motor drive controller can farthest be applicable to the electric automobile of different size.
3. direct insertion electrochemical capacitor directly is welded on the drive plate, utilize the upper and lower two-layer large tracts of land Copper Foil of drive plate to do dc bus, large-area Copper Foil has good electric conductivity, shielding, absorption electromagnetic interference signal all there is good effect, be well positioned to meet the Electro Magnetic Compatibility requirement of electric automobile, reduced the interference of motor drive controller as much as possible other electronic equipment on the automobile.
4. noninductive condenser welding is connected on the drive plate and by glue to be fixed, and can effectively bear the jerk of automobile.The pin of noninductive electric capacity is very near apart from the positive and negative binding post of power model, well the high-frequency interferencing signal of absorbed power module generation.
5. direct current is introduced copper bar and alternating current to draw copper bar spatially vertical with drive plate, control board and draw on the casing top, and the control signal connector socket has so just reduced the interference of main power signal to control board, drive plate as much as possible at the casing sidepiece.
6. current sensor directly is welded on the drive plate, and fixes by glue, can effectively bear the jerk of automobile.In the design capacity difference, the application scenario difference, when the size of current that need detect was different, the current sensor of changing different ranges can make current detecting more accurate, thereby make the control of motor driver more accurate, make the driveability of electric automobile more superior.
7. motor drive controller inside does not have movable lead, for example, adopts the metal connector to realize the signal transmission between control board and the drive plate, is welded on the drive plate between the driving pin of switch module.Adopt this mode, fully reduced the influence of thump, effectively guaranteed the security reliability of motor drive controller signal connecting line.
The utility model can be widely used in the electric automobile, particularly in the electric automobile of motor power (output) below 20KW.
Four, description of drawings
Fig. 1 is a principle wiring block diagram of the present utility model;
Fig. 2 is top surface structure figure of the present utility model;
The A-A cutaway view that Fig. 3 amplifies for Fig. 2;
The B-B cutaway view that Fig. 4 amplifies for Fig. 2;
Among the figure: 1 alternating current binding post; 2 direct current binding posts; 3 control signal connector sockets; 4 casings; 5 alternating currents are drawn copper bar; 6 control boards; 7 plates are to board connector; 8 noninductive capacitor C
29 drive pin; 10 drive plates; 11 substrates; 12 electrochemical capacitor C
113 insulation support columns; 14 power models; 15 alternating currents switching copper bar; 16 current sensors (LHa, LHc); 17 alternating currents insulation support rim; 18 direct currents are introduced copper bar; 19 direct currents switching copper bar; 20 direct currents insulation support rim; 21 drive circuits; 22 governor circuits; The PMSM permagnetic synchronous motor.
Five, embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1～4, a kind of structure of motor drive controller of electric automobile, described motor drive controller comprises that mainly the filtering accumulator is (by 12 direct insertion electrochemical capacitor C
112 formations in parallel), absorb circuit (by a noninductive capacitor C
28 constitute), power model 14 (be inside integrated the power model of three power brachium pontis), drive circuit 21 (mainly constituting) by optocoupler and isolating switch power, the current sensor 16 of governor circuit 22 (constituting) and A, C two-phase, i.e. LHa, LHc by main control chip and peripheral circuit thereof.The structure of described motor drive controller mainly is made of casing 4, control board 6, drive plate 10, substrate 11 etc.
Empty rectangle housing in the aluminium alloy that described casing 4 is a bottom opening.The length of described casing 4 is that 300mm, width are 180mm, highly are 5mm for 70mm, wall thickness.At the minor face place of described casing 4 top end faces, be provided with three through holes, three alternating current binding posts 1 of A, B, C three-phase alternating current are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these three through holes.Three alternating current binding posts 1 are positioned at the outer end of casing 4, are connected with the binding post of three stator winding of permagnetic synchronous motor PMSM respectively by cable respectively, in order to three-phase alternating current is led to permagnetic synchronous motor PMSM from motor drive controller.At the Chang Bianchu of described casing 4 top end faces, be provided with two through holes, just (P), negative (N) two direct current binding posts 2 are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these two through holes.Just (P), negative (N) two direct current binding posts 2 are positioned at the end outside the casing 4, are connected with the positive and negative electrode of storage battery respectively by cable respectively, in order to direct current is introduced into motor drive controller from storage battery.At the minor face of described casing 4 and be provided with the top, side of the another side of three through holes corresponding to top end face, be provided with a through hole, control signal connector socket 3 (being commercially available waterproof plastic socket) is packed in this through hole by screw, nut and seal washer.Control signal connector socket 3 is positioned at an end of casing 4, is curved contact pin, directly is welded on the control board 6.Control signal connector socket 3 is positioned at the other end outside the casing 4, by the supporting plug cable of control signal connector socket 3, is connected with the socket of vehicle control system and the rotor-position signal lead socket on the permagnetic synchronous motor PMSM respectively.Thereby; by control signal connector socket 3 and supporting plug cable thereof; the control signal of the vehicle control system of outside and the rotor-position signal of permagnetic synchronous motor PMSM have been incorporated on the control board 6; make motor drive controller can accept external control signal; realization is to the real-time control of permagnetic synchronous motor PMSM; simultaneously, sealing between control signal connector socket 3 and the casing 4, insulation, the element of protection casing 4 inside is not subjected to the influence of environment (as rainwater, dust).Around the inboard of described casing 4 bottom open end, evenly be provided with the inner ear of 6 band screws; the inner ear and the rubber cushion of screw that passes through from substrate 11 bottoms and band screw; casing 4 and substrate 11 is affixed; make sealing between casing 4 and the substrate 11, thereby the elements such as control board 6, drive plate 10 and power model 14 of protection casing 4 inside are not subjected to the influence of environment (as rainwater, dust).Around the top end face of described casing 4 inside, the protruding support columns of 6 band inner bolt holes evenly are set, so that control board 6 is fixed in the top of casing 4 inside by screw and packing ring.
Described control board 6 is a printed circuit board (PCB), and length is that 250mm, width are 150mm.The governor circuit 22 of the motor drive controller of electric automobile is arranged on the control board 6.Around control board 6, and, be provided with 6 through holes,, control board 6 be fixed in the top of casing 4 inside by this 6 through holes and screw and packing ring corresponding to the protruding support column places of 6 of described casing 4 top end faces band inner bolt holes.Plate is commercial product to board connector 7, and 40 groups of metal pins to inserting are arranged.Plate is welded on the control board 6 to the plug end of board connector 7, drive circuit 21 and two current sensors 16 on governor circuit 22 on the control board 6 and the drive plate 10, the i.e. input that is connected of the secondary connecting circuit of LHa, LHc, output all by plate to the plug and socket of board connector 7 not on the same group metal pins connect.Plate is welded on the drive plate 10 socket end of board connector 7.
Described drive plate 10 is a printed circuit board (PCB), and length is that 250mm, width are 150mm.The drive circuit 21 of the motor drive controller of electric automobile, the filtering accumulator absorbs circuit and two current sensors 16, and promptly the secondary connecting circuit of LHa, LHc is arranged on the drive plate 10.Drive circuit 21 on the drive plate 10 and two current sensors 16, promptly the input, the output that are connected with governor circuit 22 on the control board 6 of the secondary connecting circuit of LHa, LHc is connected with the different metal pin of plate to the socket of board connector 7 respectively.When the substrate 11 of described casing 4 and its bottom is affixed, plate docks respectively with 40 groups of metal pins of socket in groups to board connector 7 plugs, form the signal transmission channels between control board 6 and the drive plate 10, finish drive circuit 21 and two current sensors 16, i.e. information interaction between the secondary of LHa, LHc on governor circuit 22 and the drive plate 10 on the control board 6.
Described substrate 11 is the aluminium alloy rectangular slab.The length of described substrate 11 be 300mm, width be 180mm, highly for 30mm.Three alternating current binding posts 1 on the aforesaid chassis 4 are positioned at an end of casing 4, to draw an end of copper bar 5 affixed with three alternating currents respectively, it is affixed with an end of three alternating currents switching copper bars 15 respectively by screw respectively that three alternating currents are drawn the other end of copper bar 5, is positioned on the alternating current insulation support rim 17 again.Alternating current insulation support rim 17 is fixedly mounted on the substrate 11, in order to alternating current switching copper bar 15 is played a supportive role.The other end of three alternating currents switching copper bars 15 with respectively by passing the screw of drive plate 10, affixed with three alternating current wiring pins of power model 14 respectively.Three alternating current binding posts 1, three alternating currents are drawn copper bar 5, three alternating current switching copper bars 15 link to each other respectively, receive three alternating current wiring pins of power model 14 more respectively, thereby it are inner to outside three-phase alternating current extraction channel to have formed motor drive controller.On the substrate 11 below three alternating currents switching copper bars 15, be provided with and place two current sensors 16, i.e. the groove of LHa, LHc (being called for short the current sensor groove), the length of current sensor groove is that 120mm, width are that 30mm, the degree of depth are 20mm.At the other end of described substrate 11, be provided with and be placed with 12 direct insertion electrochemical capacitor C
112 groove (being called for short the capacitor groove), the length of capacitor groove is that 160mm, width are that 125mm, the degree of depth are 20mm.On the substrate 11 between current sensor groove and the capacitor groove, a power model 14 is installed by 6 screw.Described power model 14 is the commercially available prod, and electric pressure is that 1000V, current class are 300A.The driving pin 9 of power model 14 is welded on the drive circuit 21 on the drive plate 10, the drive signal that governor circuit 22 on the control board 6 is sent, through plate the metal pins of board connector 7 is delivered to drive circuit 21 on the drive plate 10, drive signal after drive circuit 21 carries out power amplification is delivered on the driving pin 9 of power model 14, thereby has realized the control of 22 pairs of power models 14 of governor circuit.A, C in aforesaid three alternating currents switching copper bar 15 two alternating currents mutually transfers copper bars 15 respectively from two current sensors 16, the former limit that is LHa, LHc is passed, two current sensors 16, be that the secondary pin of LHa, LHc welds two current sensors 16 on above it the drive plate 10 respectively, be on the secondary connecting circuit of LHa, LHc, and, make two current sensors 16 by glue, promptly LHa, LHc strengthen being fixed on the drive plate 10.Two current sensors 16, promptly LHa, LHc are the commercially available prod, the full test current range is 300A.Two current sensors 16, i.e. A, the C phase current signal that will test of the secondary connecting circuit of LHa, LHc is transferred to governor circuit 22 on the control board 6 by plate to the metal pins of board connector 7.On the drive plate above the aforementioned capacitor groove 10,12 direct insertion electrochemical capacitor C of welding in parallel
1The 12 filtering accumulators that constitute.On drive plate 10, by covering the Copper Foil technology, with electrochemical capacitor C
112 positive and negative electrode pin is connected to the positive and negative electrode large tracts of land Copper Foil of the mutually insulated of upper and lower layer respectively.By covering the Copper Foil technology, the positive and negative electrode Copper Foil on the drive plate 10 is covered respectively to the top of the positive and negative electrode direct current wiring pin of power model 14, and use zinc-plated technology again, form the zinc-plated Copper Foil of positive and negative electrode of mutually insulated.Screw by passing drive plate 10 is fixed together the zinc-plated Copper Foil of positive and negative electrode and an end of positive and negative two direct currents switching copper bar 19 and the positive and negative electrode direct current wiring pin of power model 14 respectively.The zinc-plated Copper Foil of positive and negative electrode is connected to the positive and negative electrode direct current wiring pin of positive and negative two direct currents switching copper bar 19 and power model 14, is electrically connected thereby the positive and negative electrode direct current wiring pin of the positive and negative electrode of filtering accumulator and power model 14 has been had respectively.The other end of positive and negative two direct currents switching copper bar 19, affixed with the end that positive and negative two direct currents are introduced copper bar 18 respectively with screw, be positioned over again on the direct current insulation support rim 20.Direct current insulation support rim 20 is fixedly mounted on the substrate 11, in order to direct current switching copper bar 19 is played a supportive role.The other end that positive and negative two direct currents are introduced copper bar 18 respectively with aforesaid casing 4 on just (P), part in negative (N) two direct current binding posts 2 casings 4 affixed.Two direct current binding posts 2, two direct currents are introduced copper bar 18, two direct current switching copper bars 19 link to each other respectively, receive the positive and negative electrode direct current wiring pin of power model 14 more respectively, thereby the direct current that has formed the motor drive controller external-to-internal are introduced passage.By a noninductive capacitor C
2Two pins of the 8 absorption circuit that constitute are not welded on the limit of the zinc-plated Copper Foil of positive and negative electrode of contact positive and negative electrode direct current switching copper bar 19 on the drive plate 10, and are fastened on the drive plate 10 by glue, thereby prevent that not only jerk from causing noninductive capacitor C
28 pin breakage makes its pin as much as possible near the positive and negative electrode direct current wiring pin of power model 14 again, plays good assimilation effect.Between described drive plate 10 and substrate 11, the insulation support column 13 of 3 isometric hollows is set, with from drive plate 10 and the screw that passes the hollow insulation support column 13, drive plate 10 is packed on the substrate 11, insulation support column 13 plays drive plate 10 is carried out the effect of fixed support.
A kind of structure of motor drive controller of electric automobile, with embodiment 1, wherein: the filtering accumulator of described motor drive controller is by 8 direct insertion electrochemical capacitor C
112 formations in parallel.Empty rectangle housing in the copper alloy that described casing 4 is a bottom opening.The length of described casing 4 is that 250mm, width are 130mm, highly are 3mm for 60mm, wall thickness.Around the inboard of described casing 4 bottom open end, evenly be provided with the inner ears of 4 band screws, around the top end face of described casing 4 inside, the protruding support columns of 4 band inner bolt holes be set evenly.
The length of described control board 6 is that 200mm, width are 100mm.Around control board 6, and, be provided with 4 through holes corresponding to the protruding support column places of 4 of described casing 4 top end faces band inner bolt holes.
The length of described drive plate 10 is that 200mm, width are 100mm.
Described substrate 11 is the copper alloy rectangular slab.The length of described substrate 11 be 250mm, width be 130mm, highly for 20mm.The length of current sensor groove is that 90mm, width are that 20mm, the degree of depth are 10mm.The length of capacitor groove is that 120mm, width are that 100mm, the degree of depth are 10mm.On the substrate 11 between current sensor groove and the capacitor groove, a power model 14 is installed by 4 screw.The electric pressure of described power model 14 is that 600V, current class are 200A.The full test electric current of two current sensors 16 is 200A.On the drive plate above the aforementioned capacitor groove 10,8 direct insertion electrochemical capacitor C of welding in parallel
112.Between described drive plate 10 and substrate 11, the insulation support column 13 of 2 isometric hollows is set.
A kind of structure of motor drive controller of electric automobile, with embodiment 1, wherein: the filtering accumulator of described motor drive controller is by 16 direct insertion electrochemical capacitor C
112 formations in parallel.Empty rectangle housing in the stainless steel that described casing 4 is a bottom opening.The length of described casing 4 is that 350mm, width are 230mm, highly are 7mm for 80mm, wall thickness.Around the inboard of described casing 4 bottom open end, evenly be provided with the inner ears of 8 band screws, around the top end face of described casing 4 inside, the protruding support columns of 8 band inner bolt holes be set evenly.
The length of described control board 6 is that 300mm, width are 200mm.Around control board 6, and, be provided with 8 through holes corresponding to the protruding support column places of 8 of described casing 4 top end faces band inner bolt holes.
The length of described drive plate 10 is that 300mm, width are 200mm.
Described substrate 11 is the stainless steel rectangular slab.The length of described substrate 11 be 350mm, width be 230mm, highly for 40mm.The length of current sensor groove is that 150mm, width are that 40mm, the degree of depth are 30mm.The length of capacitor groove is that 200mm, width are that 150mm, the degree of depth are 30mm.On the substrate 11 between current sensor groove and the capacitor groove, a power model 14 is installed by 8 screw.The electric pressure of described power model 14 is that 1200V, current class are 450A.The full test electric current of two current sensors 16 is 450A.On the drive plate above the aforementioned capacitor groove 10,16 direct insertion electrochemical capacitor C of welding in parallel
112.Between described drive plate 10 and substrate 11, the insulation support column 13 of 4 isometric hollows is set.
Claims (4)
1. the structure of the motor drive controller of an electric automobile, described motor drive controller mainly comprises the filtering accumulator, absorb circuit, power model (14), drive circuit (21), governor circuit (22) and A, the current sensor of C two-phase (16), the structure of described motor drive controller is mainly by comprising casing (4), control board (6), drive plate (10), substrate (11) constitutes, it is characterized in that: described casing (4) is the aluminium alloy of bottom opening or copper alloy or stainless interior empty rectangle housing, the length of described casing (4) is 250～350mm, width is 130～230mm, highly be 60～80mm, wall thickness is 3～7mm, minor face place at described casing (4) top end face, be provided with three through holes, A, B, three alternating current binding posts (1) of C three-phase alternating current are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these three through holes, three alternating current binding posts (1) are positioned at the outer end of casing (4), be connected with the binding post of three stator winding of permagnetic synchronous motor (PMSM) respectively by cable respectively, Chang Bianchu at described casing (4) top end face, be provided with two through holes, just, negative two direct current binding posts (2) are respectively with tightly being bonded at respectively after the bakelite plate wrapped with insulation in these two through holes, just, negative two direct current binding posts (2) are positioned at the outer end of casing (4), respectively by cable respectively with storage battery just, negative pole connects, at the minor face of described casing (4) and be provided with the top, side of the another side of three through holes corresponding to top end face, be provided with a through hole, control signal connector socket (3), it is commercially available waterproof plastic socket, pass through screw, nut and seal washer are packed in this through hole, control signal connector socket (3) is positioned at an end of casing (4), be curved contact pin, directly be welded on the control board (6), control signal connector socket (3) is positioned at the outer other end of casing (4), supporting plug cable by control signal connector socket (3), be connected with the socket of vehicle control system and the rotor-position signal lead socket on the permagnetic synchronous motor (PMSM) respectively, around the inboard of described casing (4) bottom open end, evenly be provided with the inner ear of 4～8 band screws, the screw that passes through from substrate (11) bottom and the inner ear and the rubber cushion of band screw, casing (4) and substrate (11) is affixed, around the inner top end face of described casing (4), the protruding support column of 4～8 band inner bolt holes is set evenly;
Described control board (6) is a printed circuit board (PCB), length is 200～300mm, width is 100～200mm, the governor circuit of the motor drive controller of electric automobile (22) is arranged on the control board (10), around control board (6), and corresponding to the protruding support column places of 4～8 of described casing (4) top end face band inner bolt holes, be provided with 4～8 through holes, by this 4～8 through holes and screw and packing ring, control board (6) is fixed in the inner top of casing (4), commercially available plate has 40 groups of metal pins to inserting to board connector (7), plate is welded on the control board (6) the plug end of board connector (7), drive circuit (21) and two current sensors (16) on governor circuit (22) on the control board (6) and the drive plate (10), be LHa, the input that the secondary connecting circuit of LHc is connected, all by the not on the same group metal pins connection of plate to the plug and socket of board connector (7), plate is welded on the drive plate (10) the socket end of board connector (7) output;
Described drive plate (10) is a printed circuit board (PCB), length is 200～300mm, width is 100～200mm, the drive circuit of the motor drive controller of electric automobile (21), the filtering accumulator, absorb circuit and two current sensors (16), be LHa, the secondary connecting circuit of LHc is arranged on the drive plate (10), drive circuit (21) on the drive plate (10) and two current sensors (16), i.e. LHa, the input that the secondary connecting circuit of LHc is connected with governor circuit (22) on the control board (6), output is connected with the different metal pin of plate to the socket of board connector (7) respectively;
Described substrate (11) is aluminium alloy or copper alloy or stainless rectangular slab, the length of described substrate (11) is 250～350mm, width is 130～230mm, highly be 20～40mm, three alternating current binding posts (1) on the aforesaid chassis (4) are positioned at an end of casing (4), to draw an end of copper bar (5) affixed with three alternating currents respectively, it is affixed with an end of three alternating currents switching copper bars (15) respectively by screw respectively that three alternating currents are drawn the other end of copper bar (5), be positioned over again on the alternating current insulation support rim (17), alternating current insulation support rim (17) is fixedly mounted on the substrate (11), the other end of three alternating currents switching copper bars (15) with respectively by passing the screw of drive plate (10), affixed with three alternating current wiring pins of power model (14) respectively, on the substrate (11) of three alternating current switching copper bars (15) below, be provided with and place two current sensors (16), be LHa, the groove of LHc, be called for short the current sensor groove, the length of current sensor groove is 90～150mm, width is 20～40mm, the degree of depth is 10～30mm, the other end in described substrate (11) is provided with and is placed with 8～16 direct insertion electrochemical capacitor C
1(12) groove, be called for short the capacitor groove, the length of capacitor groove is 120～200mm, width is 100～150mm, the degree of depth is 10～30mm, on the substrate (11) between current sensor groove and the capacitor groove, by 4～8 screw a power model (14) is installed, commercially available power model (14) electric pressure is 600～1200V, current class is 200～450A, the driving pin (9) of power model (14) is welded on the drive circuit (21) on the drive plate (10), A in aforesaid three alternating currents switching copper bars (15), C two alternating currents mutually transfers copper bars (15) respectively from two current sensors (16), be LHa, the former limit of LHc is passed, two current sensors (16), be LHa, the secondary pin of LHc welds two current sensors (16) on above it the drive plate (10) respectively, be LHa, on the secondary connecting circuit of LHc, and pass through glue, make two current sensors (16), be LHa, LHc strengthens being fixed on the drive plate (10), commercially available two current sensors (16), be LHa, the full test current range of LHc is 200A～450A, on the drive plate above the aforementioned capacitor groove (10), 8～16 direct insertion electrochemical capacitor C of welding in parallel
1(12) the filtering accumulator of Gou Chenging is on drive plate (10), by covering the Copper Foil technology, with electrochemical capacitor C
1(12) just, the negative pole pin is connected to respectively, the mutually insulated of lower floor just, negative maximum area Copper Foil, again by covering the Copper Foil technology, with on the drive plate (10) just, negative copper foil cover respectively to power model (14) just, the top of negative pole direct current wiring pin, and use zinc-plated technology, just form mutually insulated, the zinc-plated Copper Foil of negative pole, respectively will be just by the screw that passes drive plate (10), the zinc-plated Copper Foil of negative pole with just, one end of negative two direct currents switching copper bars (19) and power model (14) are just, negative pole direct current wiring pin is fixed together, just, the other end of negative two direct currents switching copper bars (19), with screw respectively with just, the end that negative two direct currents are introduced copper bar (18) is affixed, be positioned over again on the direct current insulation support rim (20), direct current insulation support rim (20) is fixedly mounted on the substrate (11), just, the other end that negative two direct currents are introduced copper bars (18) respectively with aforesaid casing (4) on just, part in negative two direct current binding posts (2) casings (4) is affixed, by a noninductive capacitor C
2(8) two pins of the absorption circuit of Gou Chenging are not welded on the limit of the zinc-plated Copper Foil of positive and negative electrode of contact positive and negative electrode direct current switching copper bar (19) on the drive plate (10), and be fastened on the drive plate (10) by glue, between described drive plate (10) and substrate (11), the insulation support column (13) of 2～4 isometric hollows is set, screw with passing and the hollow insulation support column (13) last from drive plate (10) is packed in drive plate (10) on the substrate (11).
2. according to the structure of the motor drive controller of the described a kind of electric automobile of claim 1, the filtering accumulator of described motor drive controller is 12 direct insertion electrochemical capacitor C
112 parallel connections, it is characterized in that: described casing (4) is empty rectangle housing in the aluminium alloy of bottom opening, the length of described casing (4) is that 300mm, width are 180mm, highly are 5mm for 70mm, wall thickness, around the inboard of described casing (4) bottom open end, evenly be provided with the inner ear of 6 band screws, around the inner top end face of described casing (4), the protruding support column of 6 band inner bolt holes is set evenly;
The length of described control board (6) is that 250mm, width are 150mm, around control board (6), and corresponding to the protruding support column places of 6 of described casing (4) top end face band inner bolt holes, is provided with 6 through holes;
The length of described drive plate (10) is that 250mm, width are 150mm;
Described substrate (11) is the aluminium alloy rectangular slab, the length of described substrate (11) is 300mm, width is 180mm, highly be 30mm, the length of current sensor groove is 120mm, width is 30mm, the degree of depth is 20mm, the length of capacitor groove is 160mm, width is 125mm, the degree of depth is 20mm, on the substrate (11) between current sensor groove and the capacitor groove, by 6 screw a power model (14) is installed, the electric pressure of described power model (14) is 600V, current class is 200A, the full test electric current of two current sensors (16) is 200A, on the drive plate above the aforementioned capacitor groove (10), 12 direct insertion electrochemical capacitor C of welding in parallel
1(12), between described drive plate (10) and substrate (11), the insulation support column (13) of 3 isometric hollows is set.
3. according to the structure of the motor drive controller of the described a kind of electric automobile of claim 1, the filtering accumulator of described motor drive controller is 8 direct insertion electrochemical capacitor C
112 parallel connections, it is characterized in that: described casing (4) is empty rectangle housing in the copper alloy of bottom opening, the length of described casing (4) is that 250mm, width are 130mm, highly are 3mm for 60mm, wall thickness, around the inboard of described casing (4) bottom open end, evenly be provided with the inner ear of 4 band screws, around the inner top end face of described casing (4), the protruding support column of 4 band inner bolt holes is set evenly;
The length of described control board (6) is that 200mm, width are 100mm, around control board (6), and corresponding to the protruding support column places of 4 of described casing (4) top end face band inner bolt holes, is provided with 4 through holes;
The length of described drive plate (10) is that 200mm, width are 100mm;
Described substrate (11) is the copper alloy rectangular slab, the length of described substrate (11) is 250mm, width is 130mm, highly be 20mm, the length of current sensor groove is 90mm, width is 20mm, the degree of depth is 10mm, the length of capacitor groove is 120mm, width is 100mm, the degree of depth is 10mm, on the substrate (11) between current sensor groove and the capacitor groove, by 4 screw a power model (14) is installed, the electric pressure of described power model (14) is 600V, current class is 200A, the full test electric current of two current sensors (16) is 200A, on the drive plate above the aforementioned capacitor groove (10), 8 direct insertion electrochemical capacitor C of welding in parallel
1(12), between described drive plate (10) and substrate (11), the insulation support column (13) of 2 isometric hollows is set.
4. according to the structure of the motor drive controller of the described a kind of electric automobile of claim 1, the filtering accumulator of described motor drive controller is 16 direct insertion electrochemical capacitor C
112 parallel connections, it is characterized in that: described casing (4) is empty rectangle housing in the stainless steel of bottom opening, the length of described casing (4) is that 350mm, width are 230mm, highly are 7mm for 80mm, wall thickness, around the inboard of described casing (4) bottom open end, evenly be provided with the inner ear of 8 band screws, around the inner top end face of described casing (4), the protruding support column of 8 band inner bolt holes is set evenly;
The length of described control board (6) is that 300mm, width are 200mm, around control board (6), and corresponding to the protruding support column places of 8 of described casing 4 top end faces band inner bolt holes, is provided with 8 through holes;
The length of described drive plate (10) is that 300mm, width are 200mm;
Described substrate (11) is the stainless steel rectangular slab, the length of described substrate (11) is 350mm, width is 230mm, highly be 40mm, the length of current sensor groove is 150mm, width is 40mm, the degree of depth is 30mm, the length of capacitor groove is 200mm, width is 150mm, the degree of depth is 30mm, on the substrate (11) between current sensor groove and the capacitor groove, by 8 screw a power model (14) is installed, the electric pressure of described power model (14) is 1200V, current class is 450A, the full test electric current of two current sensors (16) is 450A, on the drive plate above the aforementioned capacitor groove (10), 16 direct insertion electrochemical capacitor C of welding in parallel
1(12), between described drive plate (10) and substrate (11), the insulation support column (13) of 4 isometric hollows is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200797097U CN202019333U (en) | 2011-03-24 | 2011-03-24 | Structure of motor driving controller of electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200797097U CN202019333U (en) | 2011-03-24 | 2011-03-24 | Structure of motor driving controller of electric automobile |
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| Publication Number | Publication Date |
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| CN202019333U true CN202019333U (en) | 2011-10-26 |
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| CN2011200797097U Expired - Fee Related CN202019333U (en) | 2011-03-24 | 2011-03-24 | Structure of motor driving controller of electric automobile |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20140324 |