CN106602798A - High integration motor controller assembly - Google Patents
High integration motor controller assembly Download PDFInfo
- Publication number
- CN106602798A CN106602798A CN201710073218.3A CN201710073218A CN106602798A CN 106602798 A CN106602798 A CN 106602798A CN 201710073218 A CN201710073218 A CN 201710073218A CN 106602798 A CN106602798 A CN 106602798A
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- CN
- China
- Prior art keywords
- circuit board
- electric machine
- machine controller
- controller assembly
- power device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a high integration motor controller assembly which comprises a shell, multiple power devices, a first circuit board, a bus capacitor, a second circuit board, and a fixed clamp. The multiple power devices are integrated on the first circuit board to form a power conversion circuit. A driving circuit and a control circuit are integrated in the second circuit board. The first circuit board, the second circuit board and the bus capacitor are arranged in the cavity part of the shell. The wall of the shell is provided with a cooling channel and a fixed hole. The bottom of the shell is provided with a wire outlet hole. The bottom of the first circuit board projects to form a support pillar, and three phases of output and positive and negative buses are contained in the support pillar. The signal terminal of each power device is welded to the first circuit board, one end of the fixed clamp is pressed into the fixed hole, the other end of the fixed clamp is pressed into the fixed hole, and the upper end part without electrical appliance connection of each power device is clamped to the wall by the other end of the fixed clamp such that the power device is in close contact with the wall. The motor controller of the invention has the advantages of a compact and integrated structure, high temperature resistance, strong vibration resistance and the reduction of cost.
Description
Technical field
The present invention relates to a kind of electric machine controller assembly, more particularly to a kind of used in new energy vehicles motor controller is total
Into.
Background technology
Abgasgesetz regulation on the horizon, whole sale vehicles must all is fulfilled for CO2 emission standard within 2021
Drop to 95g/km.At present, CO2 emission average out to 130g/km, i.e. discharge capacity need to reduce about 30%, and this needs to make huge
Big effort, particularly power assembly.Pure electronic, hybrid power and plug-in hybrid technology can solve this challenge,
But the high pressure of several hectovolts is needed, at present battery costs rather expensive, meanwhile, these technologies need to make chassis framework weight
It is big to change.Low voltage motor system, such as 48V systems are considered as the best section of cost performance at this stage as light hybrid technology
Oily scheme, while the acceleration power-assisted of automobile is also contributed, therefore, cause domestic and international each Automobile Enterprises and spare and accessory parts company
Extensive concern, and launch to research and develop to some extent.
, typically using motor and the integrated scheme of electric machine controller, installation site is typically attached in electromotor for low voltage motor system
Closely, therefore electric system working environment is more severe.Electric machine controller is that reduces cost typically can be in parallel using many power devices
Scheme is designed using aluminium base replacing power model etc..Such as the 1 (patent No. of patent documentation:ZL201320462143.5 it is) open
A kind of electric machine controller assembly, which mainly proposes a kind of achievable MOSFET reliable arrangements for flowing in parallel, patent
2 (the patent No. of document:ZL201220688632.8) there is provided a kind of main power circuit of switched reluctance motor controller, which is main
A kind of structure that half-bridge power module is realized based on paralleling MOS FET in traditional PCB is proposed, the two patent documentation descriptions
All it is that a kind of many MOSFET are arranged in parallel on aluminium base forming the electric machine controller of power transforming main circuit, such motor control
The aluminium base one side fabric swatch of device, general only arrangement power device, power device radiation water channel is arranged in aluminium base reverse side, with which
Integrated motor body water channel is unfavorable for the rapid radiating of power device in vertical direction, on the one hand, is on the other hand unfavorable for electricity
The integrated level and compactedness of machine controller.
For the problems referred to above, new-energy automobile in the urgent need to design a kind of high temperature resistant, resistance to strong motion, high integration, it is low into
This low voltage motor controller system.
The content of the invention
It is an object of the invention to provide a kind of highly integrated electric machine controller assembly for new forms of energy car, which can be realized
The compact conformation of new forms of energy vehicle motor controller, integrated, high temperature resistant, resistance to strong motion, while reaching cost degradation design.
The technical solution used in the present invention is:
Embodiments of the invention provide a kind of highly integrated electric machine controller assembly, including:Housing, multiple power devices,
One circuit board, bus capacitor, second circuit board, stationary fixture, on the first circuit board integrated the plurality of power device with
Constitute power conversion loop, integrated drive electronics and control circuit on the second circuit board, the first circuit board and described
The centre position of second circuit board offers the through hole for being mutually aligned and accommodating the bus capacitor, and the first circuit board is arranged
In the bottom of the housing, the second circuit board is arranged on above the first circuit board and is connected with the first circuit board
Connect, the positive and negative terminals of the bus capacitor are connected with the first circuit board, the housing is included bottom and hung down with the bottom
The direct-connected wall portion for connecing, is provided with cooling duct and fixing hole in the wall portion, be provided with wire hole on the bottom, and described first
Circuit board bottom projects and is formed with pillar, and three-phase output and positive and negative busbar, the letter of each power device are accommodated in the pillar
Number terminal is welded on the first circuit board, and one end of the stationary fixture is fixed in the fixing hole, the fixation clamp
The upper end of each power device is clamped in the wall portion by the other end of tool without electrical connection member, with tight with the wall portion
Contact.
Alternatively, the power device is direct insertion device.
Alternatively, insulating heat-conductive part is provided between the power device and the wall portion.
Alternatively, the first circuit board and the second circuit board are bolted to connection.
Alternatively, the first process circuit is placed with the first circuit board, on the second circuit board, is placed with second
Process circuit, the thermal discharge of first process circuit are more than the thermal discharge of the second processing circuit.
Alternatively, the first circuit board is aluminium base, thick copper pcb board or copper bar.
Alternatively, by coolant being passed through in the cooling duct or being blowed air in the cooling duct come real
Existing refrigerating function.
Alternatively, the stationary fixture is made up of elastomeric material.
Alternatively, the housing is the middle cylindrical structural with cavity portion.
The highly integrated electric machine controller assembly of the present invention realizes power using the stationary fixture on motor controller casing
The power device of major loop is in close contact with the cooling system of motor controller casing wall, optimizes heat dissipation path, convenient more preferable
Radiating.Meanwhile, realize and cooling water channel laterally changed over longitudinal direction by being typically located at, as the cooling water channel of motor sets
Put on the axial direction of stator, therefore, when being used in combination with motor nesting, the original cooling water of motor body can not be changed
Flow direction, realizes that the two shares cooling water, facilitates that electric machine controller is integrated with motor, reduce electric system into
This.Stationary fixture is tightly fixed to each power device on the shell wall of electric machine controller, it is ensured that the good contact of device and
The shatter-proof ability of system.Power device straight cutting arranges that more general horizontal layout more save space improves the integrated of structure
Degree so that whole assembly more miniaturization, greatly improves in the motility of arrangement.
Description of the drawings
Fig. 1 is the exploded perspective view of the highly integrated electric machine controller of the present invention.
Fig. 2 is the body diagram of the highly integrated electric machine controller of the present invention.
Fig. 3 is the arrangement schematic diagram of the highly integrated electric machine controller of the present invention.
Schematic diagrams of the Fig. 4 for the A-A directions viewing in Fig. 3.
Enlarged diagrams of the Fig. 5 for the part B in Fig. 4.
(description of the drawings)
1- housings;2- cooling ducts;3- first circuit boards;4- cooling ducts export;5- bolts;
The import of 6- cooling ducts;7- power devices;8- bus capacitors;9- second circuit boards;
10- stationary fixtures;11- pillars;12- fixing holes;13- wire holes.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
Fig. 1 is the exploded perspective view of the highly integrated electric machine controller of the present invention.Fig. 2 is the highly integrated motor control of the present invention
The body diagram of device.Fig. 3 is the arrangement schematic diagram of the highly integrated electric machine controller of the present invention.Fig. 4 is the A-A in Fig. 3
The schematic diagram of direction viewing.Enlarged diagrams of the Fig. 5 for the part B in Fig. 4.
As depicted in figs. 1 and 2, the highly integrated electric machine controller that embodiments of the invention are provided, overall is in cylindrical structural,
For realizing power conversion function, including housing 1, multiple power devices 7, first circuit board 3, bus capacitor 8, second circuit board
9 and stationary fixture, 1 intermediate formation of housing has a cavity portion, including bottom and with bottom wall portion connected vertically, cavity portion is used to put
First circuit board 3, second circuit board 9 and bus capacitor 8 are put, with the shape being adapted with first circuit board 3 and second circuit board 9
The centre position of shape, the first circuit board 3 and the second circuit board 9 offers and is mutually aligned and accommodates the bus capacitor
8 through hole, the through hole are consistent with the shape of bus capacitor 8.So, bus capacitor 8 may be arranged at first circuit board 3 and second
So as to be arranged on housing centre position in the intermediate throughholes of circuit board 9, positive and negative terminals and the first circuit board 3 of bus capacitor 8 connect
Connect, can be attached with first circuit board 3 by welding or bolt connection.Wherein, integrated multiple work(on first circuit board 3
Rate device 7 constitute power conversion circuit, the dc bus being arranged on first circuit board 3 and connect bus capacitor 8 realize ripple electricity
Stream absorbs and instantaneous power is supplemented, integrated drive electronics and control circuit on second circuit board 9, for realizing control algolithm, and
Complete the corresponding control signal of control algolithm to amplify, realize that controlled motor is run.
As shown in Fig. 2 cooling duct 2 and multiple fixing holes 12 are provided with the wall portion of housing 1, in the bottom of housing 1
On be provided with multiple wire holes 13, fixing hole 12 prolongs the position that vertical direction is positioned close to the cavity portion of housing 1, i.e. housing 1
Internal edge position at, fixing hole 12 be along wall portion short transverse extend certain depth shrinkage pool, such fixing hole 12
Bottom end closure and upper end open, and the number of fixing hole 12 is corresponding with the number of power device 7.Cooling duct 2 is to be arranged in wall
Annular cooling flowing path in portion, with cooling duct import 6 and cooling duct outlet 4, can circulate in cooling duct 2 coolant
Or the air being blown into by external equipment such as aerator is cooled down, you can by water-cooled or it is air-cooled in the way of cooled down.
The power device for carrying out Power Processing can be MOSFET, IGBT, and the signal terminal of each power device 7 is by first circuit board 3
On via pad and be welded on the first circuit board 3, the upper end of each power device can pass through without electrical connection member
Stationary fixture 10 is fixed in the wall portion of housing, to be in close contact with the housing 1, so, on the one hand ensure that motor control
The shatter-proof ability of device, on the other hand ensures the good natural heat dissipation ability of power device 7, you can with by the cooling on housing
Passage and radiated.Stationary fixture 10 can generally bending structure, including kink and the two ends extended from kink, bending
Portion is pressed against on the part that fixing hole 12 and inner walls are shared, and in one end press-in fixing hole 12 at two ends, the other end is by power
Device 7 is clamped in the wall portion of housing, and stationary fixture 10 can be made up of elastomeric material, and one end of clamping power device 7 can be curved
Flap spring structure, so that in wall portion, certainly, stationary fixture is also configured to other shapes by 7 held tight of power device, and not
It is confined to bend plate spring structure, being tightly fastened for power device and housing 1 can only be able to ensure that.Stationary fixture 10 can be arranged
Become the structure of a part for housing 1, i.e. one end of stationary fixture 10 to be fixed by welding in fixing hole 12, the other end is lived
Dynamic, with clamping power device 7, stationary fixture 10 may be alternatively provided as the structure of separate removable, tight in power device 7 and wall portion
After laminating, stationary fixture 10 is pressed into so that one end of stationary fixture is fitted in the wall portion in fixing hole 12, the other end is by power
Device being fitted in wall portion tightly, the structure of fixing hole 12 can be configured according to the structure of stationary fixture 10.Power device
Part 7 is direct insertion device, so as to be conveniently fixed on housing 1 by stationary fixture 10.Between power device 7 and housing 1
Insulating heat-conductive part, such as silica gel or silicone grease are provided with, for strengthening radiating, while preventing the conducting end of power device and by metal system
Into housing connection.
As shown in figure 3, first circuit board 3 is arranged on the bottom of the housing 1, second circuit board 9 is arranged on described first
It is connected above circuit board 3 and with the first circuit board, i.e., first circuit board 3 is arranged in the bottom of housing, spiral shell can be passed through
Bolt is fixed on the bottom of housing, and second circuit board 9 is arranged in the second layer of housing, that is, be arranged on first circuit board 3.First
Circuit board 3 is projected in bottom and is formed with multiple pillars 11, and pillar 11 is hollow form, is accommodated three-phase output and positive and negative busbar, is held
The three-phase output being contained in pillar and one end of positive and negative busbar are fixed on the bottom of first circuit board 3 by modes such as welding, separately
One end passes through pillar and motor connection, so as to realize the connection of electric machine controller and motor, first circuit board 3 can be aluminium base,
Thickness is the thick copper pcb board of more than 70um, copper bar etc., and the material of making to first circuit board 3 of the invention is not particularly limited,
As long as power device 7 can be welded together and this can be may be used to by any high-power circuit plate of high current
In bright, the present invention is to the material of second circuit board 9 it is not also specifically limited, can for example adopt conventional FR4 materials.It is electric first
The first larger process circuit of caloric value, such as driving chip, driving resistance and power supply etc. are arranged on road plate 3, concrete arrangement is more
Few process circuit, need to determine according to the area of first circuit board 3.Caloric value less the is arranged on second circuit board 9
The process circuit that two process circuits and first circuit board 3 are not arranged, such as minimum system, sensor signal processing circuit,
Protection process circuit etc..In one example, first circuit board 3 and second circuit board 9 are formed as the tabular of hexagon, but not
Tool is limited to this, it is also possible to be arranged to that other are polygon-shaped, as long as the natural heat dissipation interface of power device, the first circuit can be realized
Can be fixedly connected by bolt 5 between plate 3 and second circuit board 9, for this purpose, on first circuit board 3 and second circuit board 9
Offer the through hole passed through for bolt 5, for example, 4 through holes can be arranged in the relevant position of hexagon, so as to by first circuit board 3
It is firmly secured at together with second circuit board 9.In the case where first circuit board and second circuit side are all hexagon, housing
1 is internally formed as corresponding shape, can respectively start 4 fixing holes 2 on each side of hexagon, i.e., altogether with 24
Fixing hole, such power device 7 can be 24..
To sum up, highly integrated electric machine controller assembly of the invention is realized using the stationary fixture on motor controller casing
The power device of power main loop is in close contact with the cooling system of motor controller casing wall, optimizes heat dissipation path, convenient
Preferably radiate.Meanwhile, realize cooling water channel direction and longitudinal direction has laterally been changed over by general, i.e., do not change motor body sheet
The cooling current direction for coming, realizes that the two shares cooling water, and it is integrated with motor to facilitate electric machine controller, reduces electricity
The cost of machine system.Stationary fixture is tightly fixed to each power device on the shell wall of electric machine controller, it is ensured that device
The shatter-proof ability of good contact and system.Power device straight cutting arranges that more general horizontal layout more save space, raising are finished
The integrated level of structure so that whole assembly more miniaturization, greatly improves in the motility of arrangement.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of highly integrated electric machine controller assembly, it is characterised in that include:Housing, multiple power devices, first circuit board,
Bus capacitor, second circuit board, stationary fixture, on the first circuit board, integrated the plurality of power device is become with constituting power
Road is gained, integrated drive electronics and control circuit on the second circuit board, the first circuit board and the second circuit board
Centre position offer the through hole for being mutually aligned and accommodating the bus capacitor, the first circuit board is arranged on the housing
Bottom, the second circuit board is arranged on above the first circuit board and is connected with the first circuit board, the mother
The positive and negative terminals of line capacitance are connected with the first circuit board, the housing include bottom and with bottom wall connected vertically
Portion, is provided with cooling duct and fixing hole in the wall portion, wire hole, the first circuit board bottom are provided with the bottom
Protrusion is formed with pillar, and three-phase output and positive and negative busbar, the signal terminal welding of each power device are accommodated in the pillar
On the first circuit board, one end of the stationary fixture is pressed in the fixing hole, and the other end of the stationary fixture will
The upper end of each power device is clamped in the wall portion without electrical connection member, to be in close contact with the wall portion.
2. highly integrated electric machine controller assembly according to claim 1, it is characterised in that the power device is direct insertion
Device.
3. highly integrated electric machine controller assembly according to claim 2, it is characterised in that the power device and the wall
Insulating heat-conductive part is provided between portion.
4. the electric machine controller assembly of high integration according to claim 1, it is characterised in that the first circuit board and
The second circuit board is bolted to connection.
5. highly integrated electric machine controller assembly according to claim 1, it is characterised in that place on the first circuit board
There is the first process circuit, on the second circuit board, be placed with second processing circuit, the thermal discharge of first process circuit is big
In the thermal discharge of the second processing circuit.
6. highly integrated electric machine controller assembly according to claim 1, it is characterised in that the first circuit board is aluminium base
Plate, thick copper pcb board or copper bar.
7. highly integrated electric machine controller assembly according to claim 1, it is characterised in that by the cooling duct
Refrigerating function is realized in being passed through coolant or blowing air into the cooling duct.
8. highly integrated electric machine controller assembly according to claim 1, it is characterised in that the stationary fixture is by elastic material
Material is made.
9. highly integrated electric machine controller assembly according to claim 1, it is characterised in that the housing has sky for middle
The cylindrical structural in chamber portion.
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CN106602798B CN106602798B (en) | 2023-09-26 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107911961A (en) * | 2017-10-26 | 2018-04-13 | 中山市欧派克五金制品有限公司 | A kind of sliding door linear electric motor controller structure |
CN108429437A (en) * | 2018-03-21 | 2018-08-21 | 西安交通大学 | A kind of micro- sense type IGBT series and parallel structures |
CN110010577A (en) * | 2019-04-08 | 2019-07-12 | 深圳市鹏源电子有限公司 | Direct insertion power device, semiconductor subassembly, In-wheel motor driving device or bus drive and new-energy automobile |
CN110247520A (en) * | 2018-03-09 | 2019-09-17 | 上海电驱动股份有限公司 | A kind of integrated electric machine control system |
CN110855093A (en) * | 2019-12-06 | 2020-02-28 | 珠海英搏尔电气股份有限公司 | Drive assembly and vehicle that power tube annular was arranged |
CN111245165A (en) * | 2018-11-29 | 2020-06-05 | 山西百晓可瑞科技有限公司 | Electric machine |
CN111245167A (en) * | 2018-11-29 | 2020-06-05 | 山西百晓可瑞科技有限公司 | Integrated motor |
CN111313621A (en) * | 2019-12-06 | 2020-06-19 | 珠海英搏尔电气股份有限公司 | Drive assembly and vehicle with control device arranged at rear end of shaft |
CN114899979A (en) * | 2022-05-09 | 2022-08-12 | 浙江奥思伟尔电动科技有限公司 | Device for improving heat dissipation performance of motor winding |
WO2023274349A1 (en) * | 2021-06-30 | 2023-01-05 | 上海法雷奥汽车电器系统有限公司 | Electric motor inverter |
EP4175132A1 (en) * | 2021-10-29 | 2023-05-03 | Mazda Motor Corporation | Electric drive unit |
CN118523558A (en) * | 2024-07-24 | 2024-08-20 | 苏州苏磁智能科技有限公司 | Magnetic suspension motor and magnetic suspension pump of integrated control unit |
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Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107911961A (en) * | 2017-10-26 | 2018-04-13 | 中山市欧派克五金制品有限公司 | A kind of sliding door linear electric motor controller structure |
CN110247520A (en) * | 2018-03-09 | 2019-09-17 | 上海电驱动股份有限公司 | A kind of integrated electric machine control system |
CN110247520B (en) * | 2018-03-09 | 2024-05-10 | 上海电驱动股份有限公司 | Integrated motor control system |
CN108429437A (en) * | 2018-03-21 | 2018-08-21 | 西安交通大学 | A kind of micro- sense type IGBT series and parallel structures |
CN108429437B (en) * | 2018-03-21 | 2019-12-24 | 西安交通大学 | Micro-inductive IGBT series-parallel structure |
CN111245165A (en) * | 2018-11-29 | 2020-06-05 | 山西百晓可瑞科技有限公司 | Electric machine |
CN111245167A (en) * | 2018-11-29 | 2020-06-05 | 山西百晓可瑞科技有限公司 | Integrated motor |
CN110010577A (en) * | 2019-04-08 | 2019-07-12 | 深圳市鹏源电子有限公司 | Direct insertion power device, semiconductor subassembly, In-wheel motor driving device or bus drive and new-energy automobile |
CN111313621A (en) * | 2019-12-06 | 2020-06-19 | 珠海英搏尔电气股份有限公司 | Drive assembly and vehicle with control device arranged at rear end of shaft |
CN110855093B (en) * | 2019-12-06 | 2020-11-06 | 珠海英搏尔电气股份有限公司 | Drive assembly and vehicle that power tube annular was arranged |
CN110855093A (en) * | 2019-12-06 | 2020-02-28 | 珠海英搏尔电气股份有限公司 | Drive assembly and vehicle that power tube annular was arranged |
WO2023274349A1 (en) * | 2021-06-30 | 2023-01-05 | 上海法雷奥汽车电器系统有限公司 | Electric motor inverter |
EP4175132A1 (en) * | 2021-10-29 | 2023-05-03 | Mazda Motor Corporation | Electric drive unit |
CN114899979A (en) * | 2022-05-09 | 2022-08-12 | 浙江奥思伟尔电动科技有限公司 | Device for improving heat dissipation performance of motor winding |
CN114899979B (en) * | 2022-05-09 | 2023-07-25 | 浙江奥思伟尔电动科技有限公司 | Device for improving heat dissipation performance of motor winding |
CN118523558A (en) * | 2024-07-24 | 2024-08-20 | 苏州苏磁智能科技有限公司 | Magnetic suspension motor and magnetic suspension pump of integrated control unit |
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