CN205356173U - Automobile -used integrated motor's dc -to -ac converter assembly - Google Patents
Automobile -used integrated motor's dc -to -ac converter assembly Download PDFInfo
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- CN205356173U CN205356173U CN201620113918.1U CN201620113918U CN205356173U CN 205356173 U CN205356173 U CN 205356173U CN 201620113918 U CN201620113918 U CN 201620113918U CN 205356173 U CN205356173 U CN 205356173U
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Abstract
The utility model belongs to the technical field of the motor dc -to -ac converter, a dc -to -ac converter assembly is related to, in particular to automobile -used integrated motor's dc -to -ac converter assembly, including thick copper PCB board assembly, thick copper PCB assembly comprises control circuit, drive circuit, power major loop and thick copper PCB board, control circuit, drive circuit and power major loop are connected through thick copper PCB board circuit, control circuit realizes control algorithm to the control signal who corresponds control algorithm carries out the signal amplification through drive circuit, power conversion is realized to the drive power major loop, presses drive circuit drive signal and realizes that DC conversion is to exchanging the driving motor operation, the power major loop comprises power half -bridge U looks, power half -bridge V looks, power half -bridge W looks, BUS capacitors and current sensor, the utility model discloses the structrual height is integrated, and axial and radial space are compacter, reduce a plurality of thick copper PCB board fixed part quantity by a wide margin for the lightweight more of whole assembly, the flexibility that whole car was arranged improves by a wide margin.
Description
Technical field
This utility model belongs to motor inverter technical field, relates to a kind of inverter assembly, particularly to the inverter assembly of a kind of automobile-used integrated motor.
Background technology
In the face of the immense pressure of day by day exhausted petroleum resources and environmental conservation, new-energy automobile shows huge advantage and vast potential for future development.
Though energy-conservation and environmental protection are had outstanding contributions by new-energy automobile, but its cost manufacturer really that relatively traditional vehicle increases and user must faced by, for this, low cost increases, again can to complete-vehicle oil consumption with discharge contributive light hybrid and obtain everybody favor.The light hybrid commonly used high-power belt startup/generating integrated motor BSG of early development or integrated startup/generating integrated motor ISG system, this system cost is high, integrated level is low, the small displacement passenger car that fringe cost tolerance is low cannot be widely applied, for this, a kind of low cost, high integration inverter design become the task of top priority；The driving structure of a kind of electric machine controller described in patent ZL201120451221.2, the metal oxide semiconductor field effect tube MOSFET of power conversion is arranged on aluminium base, form power transforming main circuit, this structure utilizes aluminium base to realize power device heat radiation and translation circuit connects, aluminium base is typically designed to one side fabric swatch, generally only arrange power device, drive circuit or control circuit need to be arranged on other printing board PCB plate, and level of integrated system and compactedness are designed and bring adverse effect by this.A kind of three phase electric machine described in patent ZL201220099411.7 drives controller power amplifier board, and this structure is similar with above-mentioned patent structure, one side fabric swatch, by binding post and copper bar by power circuit realization.Patent ZL201320462143.5 and patent ZL201220688632.8 all describes a kind of large power, electrically machine controller, by power device equal flow arrangement on aluminium base, improves the functional reliability of device.
For the problems referred to above, the inverter Integration Design of new-energy automobile becomes urgent demand.
Summary of the invention
The purpose of this utility model is in that to provide the inverter assembly of the integrated motor of a kind of used in new energy vehicles, and it can realize the compact conformation of new forms of energy car inverter, integrated, reaches cost degradation design simultaneously.
The technical solution of the utility model is achieved in that
The inverter assembly of a kind of automobile-used integrated motor, including thick copper pcb board assembly 23, described thick copper PCB assembly 23 is made up of control circuit 1, drive circuit 3, power main loop 9 and thick copper pcb board 2；
Described control circuit 1, drive circuit 3 and power main loop 9 realize circuit by thick copper pcb board 2 and connect；
Control circuit 1 realizes control algolithm, and by drive circuit 3, control signal corresponding for control algolithm is carried out signal amplification；
Driving power main loop 9 to realize power conversion, drive signal to realize DC converting to exchange by drive circuit 3, drive motor runs.
Power main loop 9 described in technical scheme is made up of power half-bridge U phase 4, power half-bridge V phase 5, power half-bridge W phase 6, bus capacitor 8 and current sensor 10；
Power half-bridge U phase 4 in power main loop 9, power half-bridge V phase 5 and power half-bridge W phase 6 constitute three phase full bridge power conversion circuit；
DC terminal bus capacitor 8, it is achieved ripple current absorbs and instantaneous power is supplemented；
Exchange end electric current is by current sensor 10 collecting work phase current information.
Described in technical scheme, thick copper pcb board 2 is made up of top layer signals device layer 18, signals layer 20, signals layer A17, power input layer 15 and 13 5 layers of circuit layer of bottom power output layer, and the interlayer of five layers of circuit layer realizes interlayer circuit isolation by epoxy plate C19, epoxy plate D21, epoxy plate B16 and epoxy plate A14；
Components and parts in described control circuit 1, drive circuit 3, power main loop 9 and the current sensor 10 in power main loop 9 are mounted on the top layer signals device layer 18 on thick copper pcb board 2 or bottom power output layer 13；
Current sensor 10 described in technical scheme is surface-mount type Hall element；
Described current sensor 10 is fixed on bottom power output layer 13 or the inside copper billet of integrated diverter, it is achieved electric machine phase current collection.
Thick copper pcb board 2 described in technical scheme is arranged and buries copper billet 11, top layer arranges power half-bridge U phase 4, power half-bridge V phase 5 and power half-bridge W phase 6, connect by burying the circuit in copper billet 11 and top layer signals device layer 18, signals layer 20, signals layer A17, power input layer 15 and bottom power output layer 13, connect into three phase full bridge power conversion circuit.
The inverter assembly of automobile-used integrated motor described in technical scheme also includes the inverter case 7 with cooling, and the described inverter case 7 with cooling is connected with the insulating heat-conductive film 12 in thick copper pcb board 2.
Control circuit 1 described in technical scheme or the components and parts in drive circuit 3 are arranged in thick copper pcb board 2 as intervening devices 22.
Of the present utility model have the active effect that
The thick copper pcb board assembly of this assembly utilization achieves the design of the integrated and multilamellar cloth member of power main loop, drive circuit and control circuit and current sensor, structure height is integrated, axially and radially space is compacter, significantly reduce multiple fixing number of components of thick copper pcb board, making the lightweight more of whole assembly, the motility at arrangement is greatly improved.
Accompanying drawing explanation
Fig. 1 is the layout drawing that the inverter assembly of automobile-used integrated motor is axially integrated；
Fig. 2 is the total radially integrated layout drawing of inverter of automobile-used integrated motor；
Fig. 3 show in inverter the sectional view of thick copper pcb board assembly；
In figure: 1, control circuit；2, thick copper pcb board；3, drive circuit；4, power half-bridge U phase；5, power half-bridge V phase；6, power half-bridge W phase；7, the inverter case with cooling；8, bus capacitor；9, power main loop；10, current sensor；11, copper billet is buried；12, insulating heat-conductive film；13, bottom power output layer；14, epoxy plate A；15, power input layer；16, epoxy plate B；17, signals layer A；18, top layer signals device layer；19, epoxy plate C；20, signals layer B；21, epoxy plate D；22, intervening devices；23, thick copper pcb board assembly.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is further described:
The inverter assembly of a kind of automobile-used integrated motor, the band inverter case cooled down and thick copper pcb board assembly are constituted, thick copper pcb board assembly integrated power major loop, drive circuit and control circuit and and current sensor；Inverter case with cooling can internal band cooling water channel or cooling fins, water channel or cooling fins design need to meet system radiating amount demand.
Current sensor 10 can adopt the diverter integrated with copper bar or the noncontacting proximity sensor of Hall form；Thick copper pcb board assembly is contacted with the cooling surface in inverter case by insulating heat-conductive film 12 (insulating heat-conductive film can adopt the glue with heat conduction and insulation or silicon grease material), three-phase copper bar traverse current sensor 10 is connected by the terminal that thick copper pcb board assembly is connected with motor or the two is connected by the copper bar either directly through integrated diverter, it is achieved inverter is connected with the power of motor.
Power main loop 9, drive circuit 3 being integrated on thick copper pcb board 2 with control circuit 1, or power main loop 9 and drive circuit 3 are integrated on thick copper pcb board 2 according to plan boundary constraint, control circuit 1 discrete design is on another PCB；Thick copper pcb board 2 is made up of power layer and signals layer, Multi-layer design can be carried out, power layer and the signals layer distribution of various combination can be carried out according to specific design simultaneously, power layer realizes power main loop 9 and the conversion of this loop power, this layer can arrange intervening devices 22 simultaneously, it is achieved multilamellar (top layer, bottom and power layer) cloth member (> 2 layers)；Signals layer realizes information circuits, can arrange at top layer signals device layer 18 and bottom power output layer 13 simultaneously and realize drive circuit 3 and the electronic device of control circuit 1.
The inverter type of cooling of described automobile-used integrated motor is water-cooled or air-cooled, and the cooling water channel of water-cooling pattern is arranged in the power device of heating or the position of parts, and the radiating fin of air cooling way is arranged in bottom thick copper pcb board 2.The heat produced during power device work, by burying copper billet 11, insulating heat-conductive film 12 and inverter case 7 heat conduction with cooling, finally realizes cooling.
Embodiment:
Consult shown in Fig. 1 and Fig. 2, the inverter assembly of automobile-used integrated motor includes: the inverter case 7 cooled down by band and thick copper pcb board assembly 23, thick copper PCB assembly 23 is made up of control circuit 1, drive circuit 3, power main loop 9 and thick copper pcb board 2, and power main loop 9 is made up of power half-bridge U phase 4, power half-bridge V phase 5, power half-bridge W phase 6, bus capacitor 8 and current sensor 10.
Consult Fig. 3, Fig. 3 is thick copper pcb board assembly sectional view, thick copper pcb board assembly 23 is made up of control circuit 1, drive circuit 3, power main loop 9 and thick copper pcb board 2, and thick copper pcb board 2 is formed by burying copper billet 11, insulating heat-conductive film 12, epoxy plate A14, epoxy plate B16, epoxy plate C19, epoxy plate D21, bottom power output layer 13, power input layer 15, signals layer A17, top layer signals device layer 18, signals layer B20 and intervening devices 22.
Thick copper pcb board assembly 23 realizes control circuit 1 by thick copper pcb board 2, drive circuit 3 and power main loop 9 circuit connect, power half-bridge U phase 4 in power main loop 9, the three phase full bridge power conversion circuit that power half-bridge V phase 5 and power half-bridge W phase 6 are constituted, dc bus and connect bus capacitor 8 realize ripple current absorb and instantaneous power supplement, ac output end passes through current sensor 10 collecting work phase current information, control circuit 1 realizes control algolithm, and control signal corresponding for control algolithm is carried out signal amplification by drive circuit 3, power main loop 9 is driven to realize power conversion, drive in signal solid line DC converting to exchange by drive circuit 3, drive motor runs.Composition control circuit 1, drive circuit 3, power main loop 9 components and parts and current sensor 10 (Hall-type) are mounted on top layer signals device layer 18 or the bottom power output layer 13 of thick copper pcb board 2 by solder.Surface-mount type Hall element can be adopted to be welded on bottom power output layer 13 for current sensor 10 or the inside copper billet of integrated diverter realizes electric machine phase current collection.Thick copper pcb board 2 is made up of multilayer circuit board, forms circuit and connects, it is achieved signal transmission and electric energy transmission.Thick copper pcb board 2 is made up of top layer signals device layer 18, signals layer 20, signals layer A17, power input layer 15 and 13 5 layers of circuit layer of bottom power output layer, circuit layer and interlayer realize interlayer circuit isolation by epoxy plate C19, epoxy plate D21, epoxy plate B16 and epoxy plate A14, bury copper billet 11 and be built in thick copper pcb board 2, top layer arranges power half-bridge U phase 4, power half-bridge V phase 5 and power half-bridge W phase 6, play circuit connect by burying copper billet 11, be connected by insulating heat-conductive film 12 dispel the heat with the inverter case 7 with cooling simultaneously.Components and parts in control circuit 1 or drive circuit 3 can be arranged in plate as intervening devices 22 by thick copper pcb board 2 during making sheet, is so easy to that thick copper pcb board is integrated and miniaturization.
In whole work process, pyrotoxin power half-bridge U phase 4, power half-bridge V phase 5 and power half-bridge W phase 6 realize heat radiation by burying copper billet 11, insulating heat-conductive film 12 and the inverter case 7 with cooling.
Bottom power output layer 13 and power output layer 15 adopt copper billet to realize power transmission, can pass through in this layer of non-power region to arrange densification and the Integration Design that intervening devices 22 realizes inverter assembly.
Signals layer A17 and signals layer B20 arranges control signal, sensor acquisition signal and fault feedback signal etc., it is achieved signal transmits；Top layer signals device layer 18, except arranging holding wire, is also arranged the power device realizing power conversion and realizes controlling function and driving the electronic device of function.
Current sensor 10 adopts the internal integrated diverter of copper billet or outside SMD Hall element to realize motor phase operating current collection.
Above by detailed description of the invention, this utility model is described in detail; this embodiment is only preferred embodiments of the present utility model; should not be construed as restriction of the present utility model, any change done according to principle of the present utility model all should within protection domain of the present utility model.
Claims (7)
1. the inverter assembly of an automobile-used integrated motor, it is characterized in that: including thick copper pcb board assembly (23), described thick copper PCB assembly (23) is made up of control circuit (1), drive circuit (3), power main loop (9) and thick copper pcb board (2)；
Described control circuit (1), drive circuit (3) and power main loop (9) realize circuit by thick copper pcb board (2) and connect；
Described control circuit (1) realizes control algolithm, and by drive circuit (3), control signal corresponding for control algolithm is carried out signal amplification；
Driving power main loop (9) to realize power conversion, drive signal to realize DC converting to exchange by drive circuit (3), drive motor runs.
2. the inverter assembly of a kind of automobile-used integrated motor according to claim 1, it is characterised in that:
Described power main loop (9) is made up of power half-bridge U phase (4), power half-bridge V phase (5), power half-bridge W phase (6), bus capacitor (8) and current sensor (10)；
Power half-bridge U phase (4) in power main loop (9), power half-bridge V phase (5) and power half-bridge W phase (6) constitute three phase full bridge power conversion circuit；
DC terminal bus capacitor (8), it is achieved ripple current absorbs and instantaneous power is supplemented；
Exchange end electric current is by current sensor (10) collecting work phase current information.
3. the inverter assembly of a kind of automobile-used integrated motor according to claim 1, it is characterised in that:
Described thick copper pcb board (2) is made up of top layer signals device layer (18), signals layer (20), signals layer A (17), power input layer (15) and (13) five layers of circuit layer of bottom power output layer, and the interlayer of five layers of circuit layer realizes interlayer circuit isolation by epoxy plate C (19), epoxy plate D (21), epoxy plate B (16) and epoxy plate A (14)；
Components and parts in described control circuit (1), drive circuit (3), power main loop (9) and the current sensor (10) in power main loop (9) are mounted on the top layer signals device layer (18) on thick copper pcb board (2) or bottom power output layer (13).
4. the inverter assembly of a kind of automobile-used integrated motor according to claim 2, it is characterised in that:
Described current sensor (10) is surface-mount type Hall element；
Described current sensor (10) is fixed on bottom power output layer (13) or the inside copper billet of integrated diverter, it is achieved electric machine phase current collection.
5. the inverter assembly of a kind of automobile-used integrated motor according to claim 3, it is characterised in that:
Described thick copper pcb board (2) is arranged and buries copper billet (11), top layer arranges power half-bridge U phase (4), power half-bridge V phase (5) and power half-bridge W phase (6), connect by burying the circuit in copper billet (11) and top layer signals device layer (18), signals layer (20), signals layer A (17), power input layer (15) and bottom power output layer (13), connect into three phase full bridge power conversion circuit.
6. the inverter assembly of a kind of automobile-used integrated motor according to claim 1, it is characterised in that:
The inverter assembly of described automobile-used integrated motor also includes the inverter case (7) with cooling, and the described inverter case (7) with cooling is connected with the insulating heat-conductive film (12) in thick copper pcb board (2).
7. the inverter assembly of a kind of automobile-used integrated motor according to claim 1, it is characterised in that:
Components and parts in described control circuit (1) or drive circuit (3) are arranged in thick copper pcb board (2) as intervening devices (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113918.1U CN205356173U (en) | 2016-02-04 | 2016-02-04 | Automobile -used integrated motor's dc -to -ac converter assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620113918.1U CN205356173U (en) | 2016-02-04 | 2016-02-04 | Automobile -used integrated motor's dc -to -ac converter assembly |
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| CN205356173U true CN205356173U (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620113918.1U Active CN205356173U (en) | 2016-02-04 | 2016-02-04 | Automobile -used integrated motor's dc -to -ac converter assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576997A (en) * | 2016-02-04 | 2016-05-11 | 中国第一汽车股份有限公司 | Inverter assembly for automotive integrated motor |
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2016
- 2016-02-04 CN CN201620113918.1U patent/CN205356173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105576997A (en) * | 2016-02-04 | 2016-05-11 | 中国第一汽车股份有限公司 | Inverter assembly for automotive integrated motor |
| CN105576997B (en) * | 2016-02-04 | 2019-06-07 | 中国第一汽车股份有限公司 | A kind of inverter assembly of automobile-used integrated motor |
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