CN207265919U - A kind of electric machine controller - Google Patents
A kind of electric machine controller Download PDFInfo
- Publication number
- CN207265919U CN207265919U CN201721315823.9U CN201721315823U CN207265919U CN 207265919 U CN207265919 U CN 207265919U CN 201721315823 U CN201721315823 U CN 201721315823U CN 207265919 U CN207265919 U CN 207265919U
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- electric machine
- machine controller
- bus bar
- connector
- plate
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Abstract
A kind of electric machine controller is the utility model is related to, including：Housing, the bottom surface of the housing and top surface are respectively fixed with cooled plate and box lid, and current connector and signal connector are provided with the side wall of the housing；Power semiconductor in the cooled plate；The composite bus bar being arranged on above the power semiconductor, one end of the composite bus bar are connected with the power semiconductor, and the other end is connected with the current connector；The first barricade above the composite bus bar and being fixed in the housing sidewall is arranged in, the driving plate for driving the power semiconductor is installed on first barricade；Secondary shielding plate above the driving plate, master control borad and power panel are provided with the secondary shielding plate；Wherein, the master control borad is connected by conducting wire with the signal connector, and the power panel is connected by conducting wire with the master control borad and the driving plate.
Description
Technical field
Technical field of motors is the utility model is related to, more particularly to a kind of electric machine controller.
Background technology
Electric machine controller is one of core component of electric automobile, its set electron technology, Power Electronic Technique, thermodynamics,
Modern control theory, electromagnetic compatibility technology etc. are.Electric machine controller is to control motor according to setting by integrated circuit
Direction, speed, angle, response time etc. work.Electric machine controller make it that the application range of motor is more extensive, defeated
Go out more efficient, noise smaller.Therefore, electric machine controller forms a perfect electric machine control system with motor, can answer extensively
Automatic field for various controls.
Nowadays, with the high speed development of electric automobile, each electronic product has been used in large quantities in automobile, so as to cause
In-car electromagnetic compatible environment deteriorates increasingly.Wherein, electric machine controller is one of vehicle primary radiation source, while electric machine controller
It can be subject to the electromagnetic interference of other in-car electronic products, so as to influence the safety and reliability of vehicle.Therefore motor control is improved
The EMC performances of device processed, most important to the safety and reliability of raising vehicle, especially electric machine controller is not only required in it
Portion is compact-sized, and power density is high, while other performances of controller it is also proposed with the requirement of higher.
There are many problems for electric machine controller of the prior art.For example, conventional electric machine controller can only drive one
Motor, and often have several motors in electric automobile whole, if using conventional electric machine controller, need to assemble several controls
Device processed.Interior space is so not only occupied, adds complete vehicle weight, also add the manufacture cost of automobile.In addition, in some poles
Under end ring border such as high altitude environment, since air pressure reduction easily makes air ionization and dielectric strength is reduced, causes the insulation of air
Intensity decreases, while the minimum electric clearance and creepage distance of electronic device are also increased, so that in conventional motor controller
There is the risk punctured by high-voltage electricity in the compact layout in portion.
CN201611259990.6 discloses a kind of electric machine controller, it includes control module, current conversion module and outer
Shell.Specifically, which uses the design structure of hierarchical, and cooled plate is installed on to the middle part of electric machine controller,
Capacitance and power semiconductor are separately mounted to the both sides of cooled plate.Although this structure design reduces electric machine controller and exists
The area of horizontal direction, improves the power density of electric machine controller entirety to a certain extent, but is the increase in motor control
The height of device, still occupies the space of in-car.
CN201621034438.X discloses a kind of electric machine controller and electric automobile.Electric machine controller in the program will
High-pressure system is separately laid out with low-pressure system, and high pressure symmetrically comes in and goes out, and avoids high current loop antenna effect.Although the program is one
Determine to improve the EMC performances of electric machine controller in degree, but only one group of exchange connection outside the electric machine controller of the patent
Device, can only connect a motor, and usually have multiple motors in vehicle, this will use multiple electric machine controllers, so as to increase
The in-car space occupied and the cost of controller.
Utility model content
For at least some technical problems as described above, the utility model aims to provide a kind of electric machine controller.The electricity
Machine controller is improved the integrated level and EMC performances of electric machine controller, has been provided simultaneously with some by rational structure design
The ability worked normally under extreme environment such as high altitude environment.In addition, the electric machine controller can be used for control at least two motors.
For this reason, according to the utility model, there is provided a kind of electric machine controller.Including：Housing, the bottom surface and top of the housing
Face is respectively fixed with cooled plate and box lid, and current connector and signal connector are provided with the side wall of the housing；It is installed on
Power semiconductor in the cooled plate；The composite bus bar being arranged on the power semiconductor, the compound mother
One end of row is connected with the power semiconductor, and the other end is connected with the current connector；It is arranged in the compound mother
Row top and the first barricade being fixed on the side wall of the housing, are provided with first barricade for driving institute
State the driving plate of power semiconductor；Secondary shielding plate above the driving plate, on the secondary shielding plate
Master control borad and power panel are installed；Wherein, the master control borad is connected by conducting wire with the signal connector, and the power panel leads to
Conducting wire is crossed with the master control borad and the driving plate to be connected.
In a preferred embodiment, the power semiconductor is configured to IGBT module.
In a preferred embodiment, capacitance is installed in the cooled plate, fixation is installed around the capacitance
Capacitance bracket in the cooled plate, is enclosed with insulating sleeve on the capacitance bracket.
In a preferred embodiment, the IGBT module is formed by the composite bus bar with the capacitance and is electrically connected
Connect.
In a preferred embodiment, DC master row is equipped with the composite bus bar, is set in the IGBT module
There is alternating current bus bar.
In a preferred embodiment, on the alternating current bus bar and the DC master row or on the current connector
Current sensor is installed.
In a preferred embodiment, voltage sensor is installed on the secondary shielding plate, in the voltage sensor
Epoxy fabric swatch is disposed with below device, the voltage sensor is connected by conducting wire with master control borad.
In a preferred embodiment, waterproof vent valve has been arranged symmetrically on the opposite side wall of the housing, institute
That states waterproof vent valve is internally provided with ventilated membrane.
In a preferred embodiment, water nozzle is installed in the opposite side-wall outer side of the housing, the water nozzle is consolidated
It is scheduled in cooled plate.
Brief description of the drawings
The utility model is introduced below by attached drawing.
Fig. 1 shows the stereochemical structure of electric machine controller according to the present utility model.
Fig. 2 shows the structure decomposition figure of electric machine controller according to the present utility model.
Fig. 3 shows the stereochemical structure of the intraware of electric machine controller according to the present utility model.
In this application, all attached drawings are schematical attached drawing, are merely to illustrate the principle of the utility model, and
It is not drawn to scale.
Embodiment
The utility model is introduced below by attached drawing.
Fig. 1 shows the stereogram of electric machine controller 100 according to the present utility model.As shown in Figure 1, electric machine controller
100 be in rectangular parallelepiped structure, including housing 1.Cooled plate 18 is fixed with the bottom surface of housing 1, water nozzle is installed in cooled plate 18
17, water nozzle 17 is arranged in the side-wall outer side of housing 1.Box lid 2 is being fixed with the top of housing 1, so as to form the tool of closing
There is the electric machine controller 100 of rectangular parallelepiped structure.
Several AC connectors 9 are installed in the outside of the first side wall 101 of electric machine controller 100.Preferably, exist
In embodiment shown in Fig. 1, three AC connectors 9 are installed in the outside of the first side wall 101 of electric machine controller 100.
The side-wall outer side opposite with the first side wall of electric machine controller 100 is provided with several AC connectors 9 and several direct currents connect
Device 11 is connect, and AC connector 9 is in the top of DC connector 11.Preferably, in the illustrated embodiment, in electric machine controller
100 side-wall outer side opposite with the first side wall is provided with three AC connectors 9 and two DC connectors 11.Meanwhile
The side wall upper part adjacent with the first side wall of electric machine controller 100 is provided with several signal connectors 25, in implementation shown in Fig. 1
In example, four signal connectors 25 are preferably mounted with.
In one embodiment, 9, four DC connectors 11 of AC connector and signal connector 25 are pacified using panel
Dress formula connector, specifically, above-mentioned connector is equipped with square flange, circumferential on square flange to be uniformly provided with through hole,
The relevant position of the outer wall of the housing 1 of electric machine controller 100 is provided with through hole.AC connector 9, DC connector 11 and signal connect
Connect device 25 to be fixedly connected on by screw bolt and nut on the side wall of electric machine controller 100, it protects firm and security performance high.
Fig. 2 shows the structure decomposition figure of electric machine controller 100 according to the present utility model.As shown in Fig. 2, in motor control
IGBT module 4 is installed in the cooled plate 18 of the bottom surface of device 100 processed.Detection plate is equipped with four corners of IGBT module 4
21, signal detection and condition monitoring for electric machine controller 100.Fig. 3 show in more detail the IGBT module of electric machine controller 100
4 stereochemical structures being connected with each other with AC connector 9, DC connector 11.As shown in figure 3, in the upper center of IGBT module 4
Position is provided with composite bus bar 6, and composite bus bar 6 is mounted by means of bolts in IGBT module 4.Pass through on composite bus bar 6
Some DC master rows 10 have been bolted, and some alternating current bus bars 7 are connected with IGBT module 4.Such as in figure embodiment,
Two DC master rows 10 are preferably mounted with composite bus bar 6, and six alternating current bus bars 7 are connected in IGBT module 4.Exchange
One end of busbar 7 is drawn from IGBT module 4, and the other end connects machine with the corresponding exchange on the side wall of electric machine controller 100
Device 9 is connected.One end of DC master row 10 is drawn from composite bus bar 6, the other end and the corresponding side wall installed in electric machine controller 100
On DC connector 11 be connected.
According to the utility model, current sensor is installed on all or part of alternating current bus bar 7 and DC master row 10
8, current sensor 8 is preferably installed on four alternating current bus bars 7 wherein in the present embodiment.In a unshowned embodiment
In, current sensor 8 can also to be mounted directly on all or part of alternating current bus bar 7 and DC master row 10, can equally rise
To the function of sensed current signal.
In addition, being also equipped with capacitance 5 in cooled plate 18, capacitance 5 is formed by composite bus bar 6 with IGBT module 4 and is electrically connected
Connect relation.Capacitance bracket 23 is installed around capacitance 5, capacitance bracket 23 is bolted in cooled plate 18, and is located
It is installed in against the position of IGBT module 4, capacitance 5 on capacitance bracket, the firm stabilization of its structure.Wrapped up at the same time on capacitance bracket
There is insulating sleeve (not shown), insulating sleeve is made of heat-shrinkable materials, it effectively improves the insulation of electric machine controller 100
Performance.
In a unshowned embodiment, discharging resistor and temperature relay are also equipped with cooled plate 18, respectively
It is used for realization the discharging function to capacitance 5 and the temperature protection function to electric machine controller 100.
The first barricade 13 is equipped with the top of composite bus bar 6, the first barricade 13 passes through fixation kit such as bolt, block
Etc. being fixed on the side wall of housing 1.Driving plate 12 for driving IGBT module 4 is installed on the first barricade 13, in Fig. 1
In illustrated embodiment, two pieces of driving plates 12 are installed on the first barricade 13.First barricade 13 provides branch for driving plate 12
Support, and facilitate wiring, while electromagnetic interference of the bottom high-pressure circuit to driving plate 12 can be reduced.Driving plate 12 is applied not only to drive
Dynamic IGBT module 4, while certain protective effect is played to IGBT module 4.
Secondary shielding plate 15 and 16 is equipped with the top of driving plate 12, secondary shielding plate 15,16 is fixed by bolt assembly
In on the side wall of housing 1.Master control borad 14 is installed on secondary shielding plate 15, master control borad 14 is installed on electricity by conducting wire with corresponding
Signal on the side wall of machine controller 100 connects machine 11 and is connected.Wherein, master control borad 14 has the logic control of electric machine controller 100
System, data analysis, the generation of IGBT pulse signals, status monitoring, externally error protection, the function such as communication.
Meanwhile power panel 20 and voltage sensor 19 are installed on secondary shielding plate 16.Power panel 20 by conducting wire with
Master control borad 14 is connected with driving plate 12, can change external input control power supply, and circuit is powered with driving plate 12 in order to control.Voltage
Sensor 19 is connected by conducting wire with master control borad 14, for measuring DC voltage.Epoxy is also equipped with secondary shielding plate 16
Fabric swatch 22, epoxy fabric swatch 22 are arranged in the lower section of voltage sensor 19, which increase the electric clearance of component, improve motor control
The insulation performance of device 100 processed.
Box lid 2 is installed above secondary shielding plate, box lid 2 is installed on the top of housing 1 by bolt.In housing 1
Conductive rubber sealing strip 3 is disposed with the contact surface of box lid 2, it is used for realization internal electromagnetism and outside is not disturbed.At one
In unshowned embodiment, the overall structure of electric machine controller 100 realizes sealing in the form of groove, and sealing device uses O
Type sealing ring, external interface connector use rubber seal, so as to fulfill the inner sealing of whole electric machine controller 100, keep away
Exempt from internal electromagnetism to exterior interference.
In addition, waterproof vent valve 24 is installed on the side wall of electric machine controller 100.Waterproof vent valve 24 is consolidated by nut
It is scheduled on the outer wall of housing 1 of electric machine controller 100, in the embodiment depicted in figure 2, is preferably mounted with two waterproof vent valves
24, and mounted in pairs, it is arranged symmetrically.Waterproof vent valve 24 is internally provided with ventilative membrane body, its using gas molecule and liquid and
The volume size quantity of dust granule is differential, the principle for only allowing gas molecule to pass through, when the temperature decreases, vapor in cavity
Relative humidity increase, it will be promoted to be moved to outside cavity, so as to prevent the generation of dew condensation phenomenon.Inside cavity and outside at the same time
Air pressure it is in a basic balance, can solve external and internal pressure change may caused by structural member deformation, sealing ring aging, fail the problems such as.
The internal structure of electric machine controller 100 according to the present utility model is arranged using lamination, is installed in cooled plate 18
IGBT module 4, in the top of IGBT module 4, is sequentially arranged composite bus bar 6, driving plate 12, master control borad 14, electricity from bottom to up
Pressure sensor 19 and power panel 20, and barricade is disposed between every layer.Meanwhile control system wiring away from main circuit cable or
Busbar, and arrangement normal thereto.This structure improves the EMC performances of electric machine controller 100, while makes electric machine controller 100
Internal structure is compacter, further improves the power density and integrated level of electric machine controller 100, not only saves in-car installation
Space, also reduces cost.Electric machine controller 100 provided by the utility model is not increasing volume by arranging epoxy fabric swatch 22
In the case of outside dimension, the minimum electric clearance and creepage distance of high tension apparatus are added, improves electric machine controller in Gao Hai
Pull out the environmental suitability under environment.
Finally it should be noted that the foregoing is merely the utility model preferred embodiment, do not form to this
Any restrictions of utility model.Although the utility model is described in detail with reference to foregoing embodiments, for
For those skilled in the art, it can still modify to the technical solution described in previous embodiment, or to wherein
Some technical characteristics carry out equivalent substitution.Where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of electric machine controller, including：
Housing, the bottom surface of the housing and top surface are respectively fixed with cooled plate and box lid, and electricity is provided with the side wall of the housing
Stream connector and signal connector；
Power semiconductor in the cooled plate；
The composite bus bar being arranged on the power semiconductor, one end of the composite bus bar and the power semiconductor device
Part is connected, and the other end is connected with the current connector；
The first barricade above the composite bus bar and being fixed on the side wall of the housing is arranged in, in the described first shielding
Driving plate for driving the power semiconductor is installed on plate；
Secondary shielding plate above the driving plate, master control borad and power panel are provided with the secondary shielding plate；
Wherein, the master control borad is connected by conducting wire with the signal connector, and the power panel passes through conducting wire and the master control
Plate is connected with the driving plate.
2. electric machine controller according to claim 1, it is characterised in that the power semiconductor is configured to IGBT moulds
Block.
3. electric machine controller according to claim 2, it is characterised in that capacitance is installed in the cooled plate, it is described
The capacitance bracket being fixed in the cooled plate is installed around capacitance, insulating sleeve is enclosed with the capacitance bracket.
4. electric machine controller according to claim 3, it is characterised in that the IGBT module passes through described with the capacitance
Composite bus bar, which is formed, to be electrically connected.
5. the electric machine controller according to claim 3 or 4, it is characterised in that it is female that direct current is equipped with the composite bus bar
Row, is equipped with alternating current bus bar in the IGBT module.
6. electric machine controller according to claim 5, it is characterised in that the current connector include AC connector and
DC connector, the AC connector are connected by the alternating current bus bar with the IGBT module, and the DC connector leads to
The DC master row is crossed to be connected with the composite bus bar.
7. electric machine controller according to claim 6, it is characterised in that on the alternating current bus bar and the DC master row
Or current sensor is installed on the current connector.
8. electric machine controller according to claim 1, it is characterised in that be provided with voltage sensor on the secondary shielding plate
Device, is disposed with epoxy fabric swatch below the voltage sensor, and the voltage sensor is connected by conducting wire with master control borad.
9. electric machine controller according to claim 1, it is characterised in that the symmetrical cloth on the opposite side wall of the housing
It is equipped with waterproof vent valve, the waterproof vent valve is internally provided with ventilated membrane, and
Water nozzle is installed in the opposite side-wall outer side of the housing, the water nozzle is fixed in cooled plate.
10. the electric machine controller according to claim 1 or 9, it is characterised in that the electric machine controller is configured to be used to control
Make at least two motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721315823.9U CN207265919U (en) | 2017-10-12 | 2017-10-12 | A kind of electric machine controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721315823.9U CN207265919U (en) | 2017-10-12 | 2017-10-12 | A kind of electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207265919U true CN207265919U (en) | 2018-04-20 |
Family
ID=61916343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721315823.9U Active CN207265919U (en) | 2017-10-12 | 2017-10-12 | A kind of electric machine controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207265919U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770323A (en) * | 2018-08-29 | 2018-11-06 | 北斗航天汽车（北京）有限公司 | Electric machine controller |
| CN109390956A (en) * | 2018-12-25 | 2019-02-26 | 北京思源清能电气电子有限公司 | A kind of electric control box and SVG cellular construction |
| CN112152366A (en) * | 2020-09-07 | 2020-12-29 | 凯博易控车辆科技(苏州)股份有限公司 | Prevent condensation motor |
| CN115320773A (en) * | 2022-07-27 | 2022-11-11 | 浙江乐骑机车有限公司 | Integrated power assembly |
-
2017
- 2017-10-12 CN CN201721315823.9U patent/CN207265919U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108770323A (en) * | 2018-08-29 | 2018-11-06 | 北斗航天汽车（北京）有限公司 | Electric machine controller |
| CN109390956A (en) * | 2018-12-25 | 2019-02-26 | 北京思源清能电气电子有限公司 | A kind of electric control box and SVG cellular construction |
| CN112152366A (en) * | 2020-09-07 | 2020-12-29 | 凯博易控车辆科技(苏州)股份有限公司 | Prevent condensation motor |
| CN115320773A (en) * | 2022-07-27 | 2022-11-11 | 浙江乐骑机车有限公司 | Integrated power assembly |
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Effective date of registration: 20180831 Address after: 412001 two floor, electronic building, Mau Tong Ao electrical production area, Shifeng District, Zhuzhou, Hunan. Co-patentee after: CRRC ZHUZHOU INSTITUTE CO., LTD. Patentee after: HUZHOU CRRC SPECIAL ELECTRICAL EQUIPMENT CO., LTD. Address before: 412001 169 times Road, Zhuzhou, Hunan Patentee before: CRRC ZHUZHOU INSTITUTE CO., LTD. |