CN109982554A - A kind of electric machine controller - Google Patents
A kind of electric machine controller Download PDFInfo
- Publication number
- CN109982554A CN109982554A CN201711461245.4A CN201711461245A CN109982554A CN 109982554 A CN109982554 A CN 109982554A CN 201711461245 A CN201711461245 A CN 201711461245A CN 109982554 A CN109982554 A CN 109982554A
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- CN
- China
- Prior art keywords
- electric machine
- machine controller
- low
- cabinet
- controller according
- Prior art date
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0069—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having connector relating features for connecting the connector pins with the PCB or for mounting the connector body with the housing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Inverter Devices (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of electric machine controllers, belong in electric car and controls the device of driving motor work, including cabinet, the inside of the cabinet is separated into upper space and lower space by shielding interlayer, and several input/output ports and Low-voltage socket is arranged in the side of the cabinet；Low-voltage device in the lower space is set, and the low-voltage device connects the Low-voltage socket；And the high tension apparatus in the upper space is set.Electric machine controller of the invention can be avoided electromagnetic radiation and interfere to electric machine controller internal components.
Description
Technical field
The present invention relates to a kind of electric machine controller, belongs in electric car and control the device of driving motor work.
Background technique
New-energy automobile, which refers to, uses unconventional vehicle fuel as a source of power, the dynamic Control and drive of comprehensive vehicle
The advanced technology of dynamic aspect, the advanced automobile with new technology, new construction of the technical principle of formation.Wherein, electric car is logical
The vehicles for crossing motor driven traveling are a kind of important new-energy automobiles.Electric car has compared to the automobile of transmission
Low pollution, it is energy saving the advantages that, therefore become future automobile field development important directions.
Electric car is travelled by motor driven, and electric machine controller is one of core component of electric car, is made
Be conversion current control motor work.But electric machine controller has the characteristics that high electromagnetic radiation as switching device.?
The electromagnetic interference that electric machine controller generates during working will affect the output of the inside and outside low-voltage signal of electric machine controller,
External electromagnetic radiation also will affect the electric elements signal inside controller simultaneously.
Summary of the invention
In view of the above-mentioned problems, can be avoided electromagnetic radiation to electric machine controller the invention proposes a kind of electric machine controller
Internal components interfere.
Of the invention proposes a kind of electric machine controller, comprising:
Cabinet, the inside of the cabinet are separated into upper space and lower space, and the cabinet by shielding interlayer
Side several input/output ports and Low-voltage socket are set；
Low-voltage device in the lower space is set, and the low-voltage device connects the Low-voltage socket；And
High tension apparatus in the upper space is set.
A further improvement of the present invention is that each input/output port is respectively connected with shielded wire harness, and the end
The EMC cable clip of ground connection is set on mouth；Wherein, the shielded wire harness is grounded by EMC cable clip.
A further improvement of the present invention is that the low-voltage device includes control panel, the control panel connects the low pressure
Socket；The high tension apparatus includes current conversion module, the current conversion module include driving plate, power semiconductor with
And capacitor.
A further improvement of the present invention is that the input/output port includes connect the power semiconductor three
Phase output terminal mouth and the direct-flow input end mouth for connecting the capacitor.
A further improvement of the present invention is that the power semiconductor is IGBT.
A further improvement of the present invention is that being equipped with radiator in the shielding interlayer.
A further improvement of the present invention is that the IGBT is fixed on the shielding interlayer, the driving plate setting exists
On the IGBT, wherein the radiating surface of the IGBT is towards the shielding interlayer.
A further improvement of the present invention is that the cabinet includes the cabinet main body of metal, it is arranged in cabinet main body upper end
Upper cover plate, and the lower cover plate of cabinet lower body is set；Wherein, the lower cover plate and lower cover plate pass through sealing element with
The cabinet main body is connected.
A further improvement of the present invention is that the sealing element is conductive seal circle.
A further improvement of the present invention is that the side of the cabinet main body includes convex surface and concave surface, wherein the input
Output port is arranged on convex surface, and the Low-voltage socket is arranged in concave surface.
Compared with the prior art, the advantages of the present invention are as follows:
In electric machine controller of the present invention, cabinet is divided into two layers.Wherein, high tension apparatus, as driving plate, IGBT and
Capacitor setting is in cabinet upper layer, low-voltage device, as control panel is arranged in cabinet lower layer.Due to layering isolation high tension apparatus and low pressure
Device reduces the interference generated in high tension apparatus, especially the IGBT course of work to control panel.
In electric machine controller of the present invention, three-phase output end mouth and direct current output port are separately connected shielding line
Beam, shielded wire harness reach most shortization, effectively increase the shield effectiveness of entire harness by EMC cable clip, beam shield distance.
In electric machine controller of the present invention, the cabinet includes cabinet main body, and cabinet main body upper end is arranged in
Upper cover plate, and the lower cover plate of cabinet lower body is set.Cabinet is formed as same current potential by conductive rubber with cover board
Electric conductor can effectively shield inside and outside portion's electromagnetic interference.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the electric machine controller of an embodiment according to the present invention；
Fig. 2 is the structural schematic diagram according to the electric machine controller of this one embodiment of the invention, it is shown that removes upper cover
The structure of vertical view after plate；
Fig. 3 is the structural schematic diagram of the electric machine controller of an embodiment according to the present invention, it is shown that motor control
The side structure of device；
Fig. 4 is the structural schematic diagram according to the electric machine controller of this one embodiment of the invention, it is shown that removes lower cover
The structure looked up after plate.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
The meaning of each appended drawing reference is as follows in the accompanying drawings: 1, cabinet, 2, control panel, 3, current conversion module, 11, cabinet master
Body, 12, input/output port, 13, EMC cable clip, 14, shielded wire harness, 15, Low-voltage socket, 16, upper cover plate, 17, lower cover plate,
18, conductive seal circle, 19, shielding interlayer, 20, convex surface, 21, concave surface, 31, driving plate, 32, power semiconductor, 33, electricity
Hold.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 schematically shows the electric machine controller described according to one embodiment of present invention.Electricity according to the present invention
Machine controller can separate high tension apparatus (such as IGBT) and low-voltage device (such as control panel), efficiently avoid IGBT generation
Signal control panel is interfered.
As depicted in figs. 1 and 2, electric machine controller described in the present embodiment, including cabinet 1, the interior setting shielding of the cabinet 1
Interlayer 19.The middle part that the shielding interlayer 19 is horizontally set on cabinet 1 is located at so that the cabinet 1 is divided into two parts
Shield the upper space of 19 top of interlayer, and the lower space positioned at 19 lower section of shielding interlayer.The side of the cabinet 1 is arranged
Several input/output ports 12 and Low-voltage socket 15.Electric machine controller described in the present embodiment further includes low-voltage device, described low
Voltage device is arranged in lower space.Electric machine controller described in the present embodiment further includes high potential assembly, the high potential assembly setting
In upper space.Preferably, the input/output port 12 and Low-voltage socket 15 are located at same side.Wherein, the input is defeated
The side of upper space is arranged in exit port 12, and the Low-voltage socket 15 is located at the side of lower layer space.
In the work of the electric machine controller according to the present embodiment, since cabinet 1 is divided by shielded partitions 19
High tension apparatus and low-voltage device are separately positioned in different spaces by portion space and lower space.This makes it possible to effectively
Avoid the operation of the electromagnetic interference influence low-voltage device of high tension apparatus generation.To ensure that the safe operation of device, ensure
Automobile balance safely travels.
In one embodiment, as shown in Fig. 2, the port connects shielded wire harness 14, and setting connects on the port
The EMC cable clip 13 on ground.Wherein, the shielded wire harness 14 is grounded by EMC cable clip 13.In the present embodiment, shielded wire harness
14 are grounded by EMC cable clip 13, and beam shield distance reaches most shortization.To effectively increase the shielding effect of entire harness
Energy.
In one embodiment, the low-voltage device includes control panel 2, and the control panel connects the Low-voltage socket 15.
Control panel 2 passes through Low-voltage socket 15 to 1 unofficial biography transmission of data of cabinet.The high tension apparatus includes current conversion module 3.In this implementation
In example, the current conversion module 3 includes driving plate 31, power semiconductor 32 and capacitor 33.Preferably, the power
Semiconductor devices 32 is IGBT.Wherein, the power semiconductor 32 is connected accordingly by busbar respectively with the capacitor 33
Port.
In the work of the electric machine controller according to the present embodiment, low-voltage signal is from power semiconductor 32 to driving
Plate 31 finally feeds back to control panel 2, is given on control panel 2 by the output of Low-voltage socket 15 external.Wherein, in current conversion module 3
High tension apparatus be isolated with control panel 2.In this way, the electromagnetic field that high potential assembly generates when working is shielded, effectively prevention pair
The interference of lower layer's low-voltage control circuit.
In one embodiment, the port includes three-phase output end mouth, U, V, W interface as shown in Figure 3.The power
Semiconductor devices 32 connects the three-phase output end mouth, for exporting three-phase alternating current.The port further includes direct-flow input end
Mouthful, connect the capacitor 33 and input dc power.In the present embodiment, the three-phase output end mouth and direct-flow input end mouth be side by side
The top of 1 side of cabinet is set, and is located at the side of the upper space of cabinet 1.In this way, the port can be with cabinet 1
Upper space in high tension apparatus be connected.
In one embodiment, as shown in Figure 2 and Figure 4, it is set in the shielding interlayer 19 being arranged in the middle part of the cabinet main body 11
There is radiator.In the present embodiment, radiator setting reduces occupied space in shielding interlayer 19.Radiator is arranged can
Device overheat is effectively prevented to cause to damage.In the present embodiment, the shielding interlayer 19 by cabinet 1 be divided into lower space and
High tension apparatus is arranged in upper space, upper space.Wherein, the heat generated in the high tension apparatus course of work is higher.The present embodiment
By the way that radiator is arranged, heat-sinking capability is improved.Meanwhile radiator setting also as save space in shielding interlayer.
In the work of the electric machine controller according to the present embodiment, the mode of setting shielding interlayer 19 not only realizes control
Low-voltage circuit and high-voltage great-current space of components are effectively isolated, and effectively prevent the high potential assembly of upper space to lower space
Low-voltage control circuit interference, additionally it is possible to effectively radiate, avoid device cross heat affecting device operation or damage device.
In one embodiment, the IGBT is fixed on the shielding interlayer 19, and the driving plate 31 is arranged described
On IGBT.It is described, wherein the radiating surface of the IGBT is towards the shielding interlayer 19.In the present embodiment, the radiating surface of IGBT
Downward, the radiator for transferring heat to shielding interlayer 19, to improve radiating efficiency.
In one embodiment, the cabinet 1 includes the cabinet main body 11 of metal, and the upper of 11 upper end of cabinet main body is arranged in
Cover board 16, and the lower cover plate 17 of 11 lower end of cabinet main body is set.Preferably, the cabinet 1 be metal cabinet 1, it is described on
Cover board 16 and lower cover plate 17 are all made of identical metal material.Wherein, the lower cover plate 17 and lower cover plate 17 pass through sealing element
It is connected with the cabinet main body 11.Preferably, the sealing element is conductive seal circle 18.
In use electric machine controller according to the present embodiment, since cabinet main body 11 and cover board are all made of metal material
Matter, after being connected by conductive seal circle 18, cabinet 1 is formed as the electric conductor of same current potential with cover board by conductive rubber.In this way,
It shields external signal by cabinet 1 to impact the device in cabinet 1, while also being capable of signal interference in shielding case body 1
External equipment.
In one embodiment, 11 side of the cabinet main body setting convex surface 20 and concave surface 21.The three-phase output end mouth
It is arranged on convex surface 20 with direct current output port.The Low-voltage socket 15 is arranged in concave surface 21.By this set, input defeated
Exit port 12 and Low-voltage socket 15 in the same plane, do not connect convenient for cable.It is unaffected or hinders during wiring
Hinder.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of electric machine controller characterized by comprising
Cabinet (1), the inside of the cabinet (1) are separated into upper space and lower space, and institute by shielding interlayer (19)
Several input/output ports (12) and Low-voltage socket (15) is arranged in the side for stating cabinet (1)；
Low-voltage device in the lower space is set, and the low-voltage device connects the Low-voltage socket (15)；And
High tension apparatus in the upper space is set.
2. electric machine controller according to claim 1, which is characterized in that each input/output port (12) is respectively connected with
Shielded wire harness (14), and the EMC cable clip (13) of ground connection is set on the port；Wherein, the shielded wire harness (14) passes through
EMC cable clip (13) ground connection.
3. electric machine controller according to claim 2, which is characterized in that the low-voltage device includes control panel (2), described
Control panel (2) connects the Low-voltage socket (15)；The high tension apparatus includes current conversion module (3), the electric current modulus of conversion
Block (3) includes driving plate (31), power semiconductor (32) and capacitor (33).
4. electric machine controller according to claim 3, which is characterized in that the input/output port (12) includes connection institute
It states the three-phase output end mouth of power semiconductor (32) and connects the direct-flow input end mouth of the capacitor (33).
5. the electric machine controller according to any one of claim 3, which is characterized in that the power semiconductor (32)
For IGBT.
6. electric machine controller according to any one of claim 1 to 4, which is characterized in that in the shielding interlayer (19)
Equipped with radiator.
7. electric machine controller according to claim 5, which is characterized in that the IGBT is fixed on the shielding interlayer (19)
On, the driving plate (31) is arranged on the IGBT, wherein the radiating surface of the IGBT is towards the shielding interlayer (19).
8. electric machine controller according to any one of claim 1 to 4, which is characterized in that the cabinet (1) includes metal
Cabinet main body (11), be arranged cabinet main body (11) upper end upper cover plate (16), and be arranged in cabinet main body (11) lower end
Lower cover plate (17)；Wherein, the lower cover plate (17) and lower cover plate (17) pass through sealing element and cabinet main body (11) phase
Even.
9. electric machine controller according to claim 5, which is characterized in that the sealing element is conductive seal circle (18).
10. electric machine controller according to any one of claims 1 to 4, which is characterized in that the cabinet main body (11)
Side includes convex surface (20) and concave surface (21), wherein the input/output port is arranged on convex surface (20), the Low-voltage socket
(15) setting is in concave surface (21).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461245.4A CN109982554A (en) | 2017-12-28 | 2017-12-28 | A kind of electric machine controller |
| PCT/CN2018/117474 WO2019128589A1 (en) | 2017-12-28 | 2018-11-26 | Motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711461245.4A CN109982554A (en) | 2017-12-28 | 2017-12-28 | A kind of electric machine controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109982554A true CN109982554A (en) | 2019-07-05 |
Family
ID=67063076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711461245.4A Pending CN109982554A (en) | 2017-12-28 | 2017-12-28 | A kind of electric machine controller |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109982554A (en) |
| WO (1) | WO2019128589A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891645A (en) * | 2021-09-13 | 2022-01-04 | 东风越野车有限公司 | Electromagnetic interference suppression system and suppression method for vehicle electric driving system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205212748U (en) * | 2015-11-30 | 2016-05-04 | 中山大洋电机股份有限公司 | Motor controller |
| CN106655977A (en) * | 2016-12-30 | 2017-05-10 | 天津安捷励电控技术有限责任公司 | Motor controller |
| CN207543020U (en) * | 2017-12-07 | 2018-06-26 | 阳光电源股份有限公司 | A kind of electric machine controller |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202679225U (en) * | 2012-07-05 | 2013-01-16 | 浙江中自机电控制技术有限公司 | Power supply device |
| US9772423B2 (en) * | 2014-07-30 | 2017-09-26 | Battelle Memorial Institute | Method of imaging the electrical conductivity distribution of a subsurface |
| CN204376734U (en) * | 2015-02-10 | 2015-06-03 | 阳光电源股份有限公司 | A kind of complete machine independent case body of contravariant equipment and contravariant equipment |
| CN206481215U (en) * | 2017-01-10 | 2017-09-08 | 湖南中车时代电动汽车股份有限公司 | A kind of EMC connectors and electric machine controller |
-
2017
- 2017-12-28 CN CN201711461245.4A patent/CN109982554A/en active Pending
-
2018
- 2018-11-26 WO PCT/CN2018/117474 patent/WO2019128589A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205212748U (en) * | 2015-11-30 | 2016-05-04 | 中山大洋电机股份有限公司 | Motor controller |
| CN106655977A (en) * | 2016-12-30 | 2017-05-10 | 天津安捷励电控技术有限责任公司 | Motor controller |
| CN207543020U (en) * | 2017-12-07 | 2018-06-26 | 阳光电源股份有限公司 | A kind of electric machine controller |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891645A (en) * | 2021-09-13 | 2022-01-04 | 东风越野车有限公司 | Electromagnetic interference suppression system and suppression method for vehicle electric driving system |
| CN113891645B (en) * | 2021-09-13 | 2024-06-04 | 东风越野车有限公司 | Electromagnetic interference suppression system and suppression method for vehicle electric drive system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128589A1 (en) | 2019-07-04 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |