CN102364847A - Motor controller for electric automobile - Google Patents
Motor controller for electric automobile Download PDFInfo
- Publication number
- CN102364847A CN102364847A CN2011103232613A CN201110323261A CN102364847A CN 102364847 A CN102364847 A CN 102364847A CN 2011103232613 A CN2011103232613 A CN 2011103232613A CN 201110323261 A CN201110323261 A CN 201110323261A CN 102364847 A CN102364847 A CN 102364847A
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- main casing
- bus
- binding post
- electric automobile
- motor
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Abstract
The invention discloses a motor controller for an electric automobile. The motor controller comprises a main casing, a water nozzle assembly, a driving module assembly, a control panel, a direct current bus, an alternating current bus and an upper casing, wherein the water nozzle assembly is arranged at the outer side of the main casing; the driving module assembly is arranged at lower part inside the main casing; the control panel is arranged at the upper part inside the main casing; the direct current bus and the alternating current bus are electrically connected with the driving module assembly; the upper casing is arranged on the main casing; a cooling water channel communicated with the water nozzle assembly is processed at the bottom of the main casing; the bottom of the cooling water channel is reliably sealed through a sealing plate and a sealing gasket; an electromagnetic separation board for preventing electromagnetic interference is arranged between the driving module assembly and the control panel; the control panel is arranged on the electromagnetic separation board; and the electromagnetic separation board is arranged on a strut cast on the inner wall of the main casing. The invention has the advantages of favorable heat radiating performance, high sealing property and favorable electromagnetic compatibility.
Description
Technical field
The invention belongs to motor in electric automobile control field, be specifically related to a kind of motor in electric automobile controller.
Background technology
In electric automobile, electric machine controller is the alternating current electricity consumption conversion that realizes the powered by direct current of battery and motor, the critical component of realizing the driving operation of motor, belongs to the core power parts of electric automobile, and it must continuous and reliable move.
The prior motor controller is of a great variety; But arrangement is similar; In reliability and durability checking, deposit some problems; Such as the driver module poor heat radiation, influence the life-span and the entire system efficient of IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor); The controller integral sealing is not in place, and working long hours under the adverse circumstances more or less has drainage; Fail fine isolation between control board and the drive plate, Electro Magnetic Compatibility is poor.
Summary of the invention
The purpose of this invention is to provide a kind of motor in electric automobile controller, its good heat dissipation, sealing is high, and Electro Magnetic Compatibility is good.
Motor in electric automobile controller of the present invention, comprise main casing, be installed in the main casing outside the water nozzle assembly, be installed in bottom in the main casing driver module assembly, the control board that is positioned at the main casing internal upper part, the dc bus and the ac bus that connect with the driver module electrical component, be installed in the upper shell on the main casing; Main casing is used the sealing ring positiver sealing through the integrally casting moulding between upper shell and the main casing; Be provided with the metal net electromagnetic shielding layer between the insulating barrier of dc bus; Positive and negative dc bus is the one sealing; Also be provided with the metal net electromagnetic shielding layer between the insulating barrier of ac bus, on the metallic plate that it is crimped on upper shell is connected, be used to prevent the interference of electromagnetic radiation external circuit; In order to make good airproof performance, dc bus and ac bus are provided with caulking gum.
Said main casing bottom is processed with the cooling water channel that is communicated with the water nozzle assembly, and said cooling water channel bottom is through sealing plate and seal gasket positiver sealing; Be provided with the electromagnetism dividing plate that prevents electromagnetic interference between said driver module assembly and the control board; Control board is installed on the electromagnetism dividing plate; The electromagnetism dividing plate is installed on the pillar of main casing inwall casting; The electromagnetism dividing plate with the forceful electric power of driver module assembly and control board with light current separate, avoided the interference of forceful electric power to the control board control signal.
Further, in order to save the space of enging cabin, improve the mounting process of external cable simultaneously, the place ahead, said upper shell top is cast with terminal box, and the rear, top is provided with the earth stud that is used to make the controller integral ground; Dc bus and ac bus insert the driver module assembly through terminal box; One connector cover is installed on the terminal box, uses the sealing gasket positiver sealing between connector cover and the terminal box; Upper shell is through the integrally casting moulding, and ac bus cooperates installed surface to be provided with the O RunddichtringO with hole on the terminal box.
Further, said driver module assembly comprise the IGBT power model that is installed on the cooling water channel, the electric capacity that electrically connects with the IGBT power model, be positioned at the drive plate that electrically connects with the IGBT power model on the IGBT power model, the DC master row that electrically connects with current sensor on being located at the drive plate edge with exchange busbar, be installed in dc terminal platform on the projection of main casing inwall casting with the ac terminal platform, be installed in the direct current binding post that electrically connects with DC master row on the dc terminal platform, be installed on the ac terminal platform and exchange the interchange binding post that busbar electrically connects; The binding post of dc bus electrically connects through direct current binding post and DC master row, and the binding post of ac bus is through exchanging binding post and exchanging busbar and electrically connect.The size of the radiation tooth of IGBT power model cooperates with the size of cooling water channel.
Further; In order to filter the direct current common mode disturbances next by battery; The outer capacitor board that electrically connects with the direct current binding post is installed on the said dc terminal platform, and this outer capacitor board one end is connected with the binding post of dc bus, and the other end is connected reliable ground with the sidewall of main casing.
Further, for reliable vibrationproof, to the long size of DC master row, said main casing bottom is provided with the busbar supporting of supporting DC master row.
Further; In order to make the capacitor filtering performance good, and structural configuration is simple, and assembling firmly; Good anti-vibration; Said electric capacity is film square electric capacity and the main casing inner bottom part that is positioned at electromagnetism dividing plate below, is provided with discharge resistance on the electric capacity next door, and these discharge resistance two ends are connected with the direct current both positive and negative polarity of electric capacity respectively.
Further, for the thermal diffusivity that makes cooling water channel is good, said water nozzle assembly is located at the same side of main casing, and the water nozzle component internal is provided with into water buffering area.
Further, air-conditioning pipe cabling for ease, the lateral surface of said main casing is processed with the screwed hole of the pipe holder that installs an air-conditioner.
The present invention establishes cooling water channel in the main casing bottom, establishes the water inlet buffering area in the water nozzle component internal, has improved the heat dispersion of controller; Between control board and driver module assembly, establish the electromagnetism dividing plate, dc bus and ac bus are established electro-magnetic screen layer, have improved the Electro Magnetic Compatibility of controller; Terminal box is located at the place ahead, upper shell top, has saved the space of enging cabin, improved the mounting process of external cable simultaneously; Main casing and upper shell positiver sealing, terminal box and connector cover positiver sealing, the positiver sealing of cooling water channel has improved the sealing effectiveness of controller, has avoided occurring drainage, influences controller and uses; Adopt the supporting of film square electric capacity and busbar, improved the resistance to shock of controller.
Description of drawings
Fig. 1 is that structure of the present invention is launched sketch map.
Fig. 2 is that driver module assembly of the present invention launches sketch map.
Fig. 3 is main casing of the present invention and driver module assembled sketch map.
Fig. 4 is an assembling sketch map of the present invention.(except that upper shell)
Fig. 5 is the overall schematic after the present invention assembles completion.
Fig. 6 is the structural representation of main casing of the present invention.
Fig. 7 is the structural representation of upper shell of the present invention.
Fig. 8 is the structural representation of water nozzle assembly of the present invention.
Fig. 9 is local A-A cutaway view of Fig. 8.
Embodiment
Below in conjunction with accompanying drawing the present invention is described further.
Like Fig. 1, motor in electric automobile controller shown in Figure 6, comprise main casing 2, be installed in main casing 2 outsides water nozzle assembly 14, be installed in bottoms in the main casing 2 driver module assembly 4, be positioned at the control board 10 of main casing 2 internal upper parts, the dc bus 6 and the ac bus 9 that electrically connect with driver module assembly 4, be installed in the upper shell 7 on the main casing 2; Main casing 2 adopts the integrated casting of aluminum alloy material, uses the sealing ring positiver sealing between upper shell 7 and the main casing 2; Be provided with the metal net electromagnetic shielding layer between the insulating barrier of dc bus 6; Positive and negative dc bus is the one sealing; Also be provided with the metal net electromagnetic shielding layer between the insulating barrier of ac bus 9, it is crimped on the metallic plate that is connected with upper shell 7, and dc bus 6 is provided with caulking gum with ac bus 9.
The lateral surface of main casing 2 is processed with the screwed hole of the pipe holder 13 that installs an air-conditioner; Main casing 2 bottoms are processed with the cooling water channel 201 that is communicated with water nozzle assembly 14, and cooling water channel 201 bottoms are through sealing plate 1 and seal gasket positiver sealing; Be provided with the electromagnetism dividing plate 11 that prevents electromagnetic interference between driver module assembly 4 and the control board 10, electromagnetism dividing plate 11 adopts the red copper material, and control board 10 is installed on the electromagnetism dividing plate 11, and electromagnetism dividing plate 11 is installed on the pillar of main casing 2 inwalls casting.
Like Fig. 4, Fig. 5, shown in Figure 7, the place ahead, upper shell 7 top is cast with terminal box 701, and the rear, top is provided with the earth stud 702 that is used to make the controller integral ground; Dc bus 6 inserts driver module assembly 4 with ac bus 9 through terminal box 701; Ac bus 9 cooperates installed surface to be provided with the O RunddichtringO with hole on the terminal box 701; One connector cover 8 is installed on the terminal box 701; Connector cover 8 adopts aluminum alloy material, uses the sealing gasket positiver sealing between connector cover 8 and the terminal box 701; Upper shell 7 adopts the integrated casting of aluminum alloy material, also is provided with other electrical box of automobile on the upper shell 7 fulcrum and earth point are installed.
Like Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the electric capacity 401 that driver module assembly 4 comprises the IGBT power model 409 that is installed on the cooling water channel 201, electrically connect with IGBT power model 409, be positioned at the drive plate 403 that electrically connects with IGBT power model 409 on the IGBT power model 409, the DC master row 402 that electrically connects with current sensor 407 on being located at drive plate 403 edges with exchange busbar 406, be installed in dc terminal platform 4041 on the projection of main casing 2 inwalls casting with ac terminal platform 4042, be installed in the direct current binding post 4051 that electrically connects with DC master row 402 on the dc terminal platform 4041, be installed on the ac terminal platform 4042 and exchange the interchange binding post 4052 that busbar 406 electrically connects; Direct current binding post 4051 with exchange binding post 4052 and adopt the red copper materials; The outer capacitor board 5 that electrically connects with direct current binding post 4051 is installed on the dc terminal platform 4041, and outer capacitor board 5 one ends are connected with the binding post (being positive and negative extreme) of dc bus 6, and the other end is connected reliable ground with the sidewall of main casing 2; The binding post of ac bus 9 (being U, V, W end) is through exchanging binding post 4052 and exchanging busbar 406 and electrically connect.The size of the radiation tooth of IGBT power model 409 cooperates with the size of cooling water channel 201, with after the sealing ring sealing, tightens with bolt between IGBT power model 409 and the cooling water channel 201.
Like Fig. 8, shown in Figure 9; Water nozzle assembly 14 is a stainless steel; Water nozzle assembly 14 is located at the same side of main casing 2, and water nozzle assembly 14 inside are provided with into water buffering area 1402, and cooling fluid is scattered at the water inlet buffering area, and the back is even to be got in the cooling water channel 201; Between water inlet buffering area 1402 and face that main casing 2 contacts, be provided with the O RunddichtringO; When the water nozzle assembly, earlier be assembled to into water nozzle 1401 sealings of water nozzle assembly 14 on the water buffering area 1402 after, with screw water nozzle assembly 14 is fixed on the main casing 2.
When assembly controller, earlier driver module assembly 4 is assemblied in main casing 2 bottoms, refill electromagnetism dividing plate 11 and control board 10 then; Load onto housing 7 then, connect dc bus 6 and ac bus 9, last installation connection lid 8.
The above is merely preferable embodiment of the present invention, and protection scope of the present invention is not limited thereto, and those of skill in the art include within protection range of the present invention based on non-material change on the technical scheme of the present invention.
Claims (8)
1. motor in electric automobile controller; Comprise main casing (2), be installed in the main casing outside water nozzle assembly (14), be installed in bottom in the main casing driver module assembly (4), the control board (10) that is positioned at the main casing internal upper part, dc bus (6) that connects with the driver module electrical component and ac bus (9), be installed in the upper shell (7) on the main casing, it is characterized in that:
Said main casing bottom is processed with the cooling water channel (201) that is communicated with the water nozzle assembly, and said cooling water channel bottom is through sealing plate (1) and seal gasket positiver sealing;
Be provided with the electromagnetism dividing plate (11) that prevents electromagnetic interference between said driver module assembly and the control board, control board is installed on the electromagnetism dividing plate, and the electromagnetism dividing plate is installed on the pillar of main casing inwall casting.
2. motor in electric automobile controller according to claim 1 is characterized in that: said upper shell (7) the place ahead, top is cast with terminal box (701), and the rear, top is provided with the earth stud (702) that is used to make the controller integral ground; Dc bus (6) and ac bus (9) insert driver module assembly (4) through terminal box; One connector cover (8) is installed on the terminal box.
3. motor in electric automobile controller according to claim 2 is characterized in that: the electric capacity (401) that said driver module assembly (4) comprises the IGBT (409) that is installed on the cooling water channel (201), electrically connect with the IGBT power model, be positioned at that IGBT goes up the drive plate (403) that electrically connects with the IGBT power model, the DC master row (402) that electrically connects with current sensor (407) on being located at the drive plate edge with exchange busbar (406), be installed in dc terminal platform (4041) on the projection that the main casing inwall casts with ac terminal platform (4042), be installed in the direct current binding post (4051) that electrically connects with DC master row on the dc terminal platform, be installed on the ac terminal platform and exchange the interchange binding post (4052) that busbar electrically connects; The binding post of dc bus (6) electrically connects through direct current binding post and DC master row, and the binding post of ac bus (9) is through exchanging binding post and exchanging busbar and electrically connect.
4. motor in electric automobile controller according to claim 3; It is characterized in that: the outer capacitor board (5) that electrically connects with direct current binding post (4051) is installed on the said dc terminal platform (4041); Should be connected with the binding post of dc bus (6) by outer capacitor board one end, the other end is connected reliable ground with the sidewall of main casing (2).
5. motor in electric automobile controller according to claim 3 is characterized in that: said main casing (2) bottom is provided with the busbar supporting (3) of supporting DC master row (402).
6. motor in electric automobile controller according to claim 3; It is characterized in that: said electric capacity (401) is film square electric capacity and main casing (2) inner bottom part that is positioned at electromagnetism dividing plate (11) below; Be provided with discharge resistance (12) on the electric capacity next door, these discharge resistance two ends are connected with the direct current both positive and negative polarity of electric capacity respectively.
7. motor in electric automobile controller according to claim 6 is characterized in that: said water nozzle assembly (14) is located at the same side of main casing (2), and the water nozzle component internal is provided with into water buffering area (1402).
8. motor in electric automobile controller according to claim 7 is characterized in that: the lateral surface of said main casing (2) is processed with the screwed hole of the pipe holder that installs an air-conditioner (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011103232613A CN102364847A (en) | 2011-10-22 | 2011-10-22 | Motor controller for electric automobile |
Applications Claiming Priority (1)
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CN2011103232613A CN102364847A (en) | 2011-10-22 | 2011-10-22 | Motor controller for electric automobile |
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CN102364847A true CN102364847A (en) | 2012-02-29 |
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CN2011103232613A Pending CN102364847A (en) | 2011-10-22 | 2011-10-22 | Motor controller for electric automobile |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102684597A (en) * | 2012-05-23 | 2012-09-19 | 东方电气集团东风电机有限公司 | High-power alternating current (AC) asynchronous motor controller for direct driving type bus |
CN103730989A (en) * | 2013-12-25 | 2014-04-16 | 精进电动科技(北京)有限公司 | Motor controller |
CN103872964A (en) * | 2013-07-29 | 2014-06-18 | 东风汽车电子有限公司 | Driving motor controller |
CN104066296A (en) * | 2014-07-11 | 2014-09-24 | 安徽巨一自动化装备有限公司 | Internal arrangement structure for electric car motor controller |
CN104494535A (en) * | 2014-12-04 | 2015-04-08 | 安徽巨一自动化装备有限公司 | Arrangement structure of integrated water-cooled motor controller of electric vehicle |
CN105584381A (en) * | 2014-10-21 | 2016-05-18 | 湖南南车时代电动汽车股份有限公司 | Motor control device used for electric automobile |
CN107645863A (en) * | 2017-09-05 | 2018-01-30 | 北京精密机电控制设备研究所 | A kind of naval vessel electromechanical servo drive control cabinet |
CN108235633A (en) * | 2016-12-12 | 2018-06-29 | 深圳市蓝海华腾技术股份有限公司 | Integrated electric automobile drive controller cabinet |
CN109068550A (en) * | 2018-09-28 | 2018-12-21 | 重庆力华自动化技术有限责任公司 | A kind of electric machine controller water-cooling structure, electric machine controller and electric machine control system |
CN109475066A (en) * | 2017-09-08 | 2019-03-15 | 湖南中车时代电动汽车股份有限公司 | A kind of power system of electric automobile control device |
CN109699135A (en) * | 2019-01-22 | 2019-04-30 | 珠海格力电器股份有限公司 | Electric appliance case assembly, air conditioner |
CN111787734A (en) * | 2020-07-17 | 2020-10-16 | 济南三星灯饰有限公司 | Electrical box for intelligent street lamp |
CN113394613A (en) * | 2021-06-23 | 2021-09-14 | 堡联电气系统(无锡)有限公司 | On-site wire-connecting type connector |
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US5892676A (en) * | 1997-10-27 | 1999-04-06 | Hsieh; Joe C. | Rectifier bridges assembly having improved heat dispersing characteristics and an arcing-free design |
CN101640495A (en) * | 2008-07-29 | 2010-02-03 | 株式会社日立制作所 | Power conversion apparatus and electric vehicle |
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2011
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US5892676A (en) * | 1997-10-27 | 1999-04-06 | Hsieh; Joe C. | Rectifier bridges assembly having improved heat dispersing characteristics and an arcing-free design |
CN101640495A (en) * | 2008-07-29 | 2010-02-03 | 株式会社日立制作所 | Power conversion apparatus and electric vehicle |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102684597A (en) * | 2012-05-23 | 2012-09-19 | 东方电气集团东风电机有限公司 | High-power alternating current (AC) asynchronous motor controller for direct driving type bus |
CN103872964A (en) * | 2013-07-29 | 2014-06-18 | 东风汽车电子有限公司 | Driving motor controller |
CN103730989A (en) * | 2013-12-25 | 2014-04-16 | 精进电动科技(北京)有限公司 | Motor controller |
CN103730989B (en) * | 2013-12-25 | 2017-02-22 | 精进电动科技股份有限公司 | Motor controller |
CN104066296A (en) * | 2014-07-11 | 2014-09-24 | 安徽巨一自动化装备有限公司 | Internal arrangement structure for electric car motor controller |
CN105584381A (en) * | 2014-10-21 | 2016-05-18 | 湖南南车时代电动汽车股份有限公司 | Motor control device used for electric automobile |
CN105584381B (en) * | 2014-10-21 | 2019-04-30 | 湖南南车时代电动汽车股份有限公司 | Motor control assembly for electric car |
CN104494535A (en) * | 2014-12-04 | 2015-04-08 | 安徽巨一自动化装备有限公司 | Arrangement structure of integrated water-cooled motor controller of electric vehicle |
CN108235633A (en) * | 2016-12-12 | 2018-06-29 | 深圳市蓝海华腾技术股份有限公司 | Integrated electric automobile drive controller cabinet |
CN107645863A (en) * | 2017-09-05 | 2018-01-30 | 北京精密机电控制设备研究所 | A kind of naval vessel electromechanical servo drive control cabinet |
CN107645863B (en) * | 2017-09-05 | 2020-02-14 | 北京精密机电控制设备研究所 | Electromechanical servo drive control cabinet for ship |
CN109475066A (en) * | 2017-09-08 | 2019-03-15 | 湖南中车时代电动汽车股份有限公司 | A kind of power system of electric automobile control device |
CN109475066B (en) * | 2017-09-08 | 2020-07-03 | 湖南中车时代电动汽车股份有限公司 | Control device for power system of electric automobile |
CN109068550A (en) * | 2018-09-28 | 2018-12-21 | 重庆力华自动化技术有限责任公司 | A kind of electric machine controller water-cooling structure, electric machine controller and electric machine control system |
CN109068550B (en) * | 2018-09-28 | 2024-03-08 | 重庆力华自动化技术有限责任公司 | Motor controller water cooling structure, motor controller and motor control system |
CN109699135A (en) * | 2019-01-22 | 2019-04-30 | 珠海格力电器股份有限公司 | Electric appliance case assembly, air conditioner |
CN111787734A (en) * | 2020-07-17 | 2020-10-16 | 济南三星灯饰有限公司 | Electrical box for intelligent street lamp |
CN113394613A (en) * | 2021-06-23 | 2021-09-14 | 堡联电气系统(无锡)有限公司 | On-site wire-connecting type connector |
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Application publication date: 20120229 |