CN110868129A - Motor controller - Google Patents
Motor controller Download PDFInfo
- Publication number
- CN110868129A CN110868129A CN201911309987.4A CN201911309987A CN110868129A CN 110868129 A CN110868129 A CN 110868129A CN 201911309987 A CN201911309987 A CN 201911309987A CN 110868129 A CN110868129 A CN 110868129A
- Authority
- CN
- China
- Prior art keywords
- copper bar
- conductive copper
- plug
- positive
- igbt module
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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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
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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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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- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
Abstract
The invention discloses a motor controller, which comprises an upper cover and a machine shell, wherein the machine shell is fixedly connected with the upper cover through bolts, a high-voltage direct-current plug-in is inserted outside the machine shell, a positive conductive copper bar and a negative conductive copper bar, at least one filtering unit, a capacitor, an IGBT module and an integrated circuit board are assembled inside the machine shell, one end of the positive conductive copper bar and one end of the negative conductive copper bar are connected with the high-voltage direct-current plug-in, the other end of the positive conductive copper bar and the negative conductive copper bar penetrate through the filtering unit to be connected with the capacitor, the capacitor is connected with the IGBT module, the circuit board is pressed on the IGBT module, three-phase output terminals of the IGBT module are respectively and correspondingly connected with three current sensors integrated on the circuit board, each current sensor is respectively connected with a copper bar, and the. According to the invention, by optimally designing the structure of the controller, the overall volume of the controller assembly is reduced, and the whole vehicle is convenient to install and arrange.
Description
Technical Field
The invention relates to the technical field of motor control, in particular to a motor controller.
Background
With the continuous upgrading and development of new energy automobile driving systems, the light weight, miniaturization and integration design of a motor controller has become common knowledge in the industry, but currently, integrated products developed by most domestic manufacturers are mainly in simple physical stacked integration, the motor controller and the motor system cannot share a water channel, a junction box and the like, the size of the controller is generally 6-8L, and further miniaturization and integration cannot be achieved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a motor controller for an integrated electric drive assembly, which reduces the overall volume of the controller assembly and facilitates the installation and arrangement of the whole vehicle by optimally designing the structure of the controller.
In order to achieve the purpose, the invention adopts the technical scheme that: a motor controller comprises an upper cover and a machine shell, wherein the machine shell is fixedly connected with the upper cover through bolts, a high-voltage direct current plug-in is inserted outside the machine shell, a positive conductive copper bar and a negative conductive copper bar, at least one filtering unit, a capacitor, an IGBT module and an integrated circuit board are assembled inside the machine shell, the positive conductive copper bar and the negative conductive copper bar extend along the outline of the machine shell, one end of each positive conductive copper bar and the other end of each negative conductive copper bar are correspondingly connected with a positive connecting terminal and a negative connecting terminal of the high-voltage direct current plug; the IGBT module is arranged close to the capacitor, and an input terminal of the IGBT module is correspondingly connected with an output terminal of the capacitor; the circuit board adopts the mode pressure equipment of bolt fastening on the IGBT module, zonulae occludens between the signal needle on the IGBT module and the circuit board, and the three-phase output terminal of IGBT module corresponds with three current sensor integrated on the circuit board respectively and is connected, has respectively connect a copper bar on every current sensor, and the copper bar end stretches out the three-phase output wiring end that the casing bottom surface constitutes the controller for be connected with the three-phase wiring end of motor.
Furthermore, a speed and temperature sensor plug-in is further integrated on the circuit board, the speed and temperature sensor plug-in is connected with a rotary transformer connector through a wiring harness, the rotary transformer connector is installed on the bottom surface of the shell and arranged side by side with the three-phase output terminal and used for being connected with a corresponding connector on the motor, and the rotating speed and temperature signals of the motor are transmitted to the circuit board for decoding and logical operation.
Furthermore, a whole vehicle signal and power plug-in is integrated on the circuit board, exposed on the bottom surface of the shell and is an interface for communication connection of a power supply signal of the controller and other control units of the vehicle.
According to the invention, the positive and negative conductive copper bars are connected with the output of the power module and the input of the wiring terminal of the motor, so that the output end of the motor controller and the wiring terminal of the motor share the wiring box without an additional electric power cable; and the reserved space in the controller meets the installation requirements of all components, so that the overall appearance is miniaturized and flattened, and the whole vehicle is convenient to install and arrange.
Drawings
FIG. 1 is a schematic perspective exploded view of the present invention;
fig. 2 is a schematic view of a bottom structure of the casing of fig. 1.
In the figure: 1-covering the upper cover; 2-a wiring cover; 3-a machine shell; 4-high voltage direct current plug-in; 5-conductive copper bars; 6-a filtering unit; 7-capacitance; 8-IGBT module; 9-a circuit board; 10-a current sensor; 11-three phase output terminals; 12-speed and temperature sensor plug-ins; 13-a rotation-change connector; 14-vehicle signal and power plug-in unit; 15-an insulating block; 16-a cooling water channel; 17-a water inlet; 18-a water outlet; 19-a venting plug; 20-ground bolt.
Detailed Description
The invention will be further described in detail with reference to examples of embodiments shown in the drawings to which, however, the invention is not restricted.
As shown in fig. 1 and 2, the motor controller provided by the present invention includes an upper cover 1 and a housing 3, the housing 3 is fixedly connected with the upper cover 1 through bolts, a high voltage dc plug-in 4 is inserted outside the housing 3 for providing power input to the controller, a positive conductive copper bar 5, a negative conductive copper bar 5, at least one filter unit 6, a capacitor 7, an integrated power module (i.e., an IGBT module 8) and an integrated circuit board 9 are assembled inside the housing 3, the positive conductive copper bar 5 and the negative conductive copper bar 5 extend along the contour of the housing 3, one end of the positive conductive copper bar is correspondingly connected with a positive terminal and a negative terminal of the high voltage dc plug-in 4, and the other end of the positive conductive copper bar passes through the filter unit 6 and is correspondingly connected with an input; the power supply provided by the high-voltage direct-current plug-in component 4 is transmitted to the capacitor 7 through the positive and negative conductive copper bars 5, and the filtering unit 6 is used for effectively filtering a frequency point with a specific frequency in a power supply signal or frequencies except the frequency point to obtain a power supply signal with the specific frequency or eliminate the power supply signal with the specific frequency.
The IGBT module 8 is arranged close to the capacitor 7, an input terminal of the IGBT module 8 is correspondingly connected with an output terminal of the capacitor 7, the circuit board 9 is pressed on the IGBT module 8 in a bolt fixing mode, a signal pin on the IGBT module 8 is tightly connected with the circuit board 9, three-phase output terminals of the IGBT module 8 are correspondingly connected with three current sensors 10 integrated on the circuit board 9 respectively, each current sensor 10 is connected with a copper bar, and the tail end of each copper bar extends out of the bottom surface of the shell 3 to form a three-phase output terminal 11 of the controller and is used for being connected with a three-phase terminal of the motor; a speed and temperature sensor plug-in 12 is further integrated on the circuit board 9, the speed and temperature sensor plug-in 12 is connected with a rotary transformer plug-in 13 through a wiring harness, the rotary transformer plug-in 13 is installed on the bottom surface of the machine shell 3 and is arranged side by side with the three-phase output terminal 11 and is used for being connected with a corresponding plug-in on the motor, and the rotating speed and temperature signals of the motor are transmitted to the circuit board 9 for decoding and logical operation; the circuit board 9 is further integrated with a whole vehicle signal and power plug-in 14, and the whole vehicle signal and power plug-in 14 is exposed on the bottom surface of the casing 3 and is an interface for communication connection of a controller power supply signal and other control units of the vehicle.
In order to facilitate assembly of the components, the high-voltage direct-current plug-in 4 is aligned with the positive and negative conductive copper bars 5, the positive and negative conductive copper bars 5 are aligned with the capacitor 7, and the capacitor 7 is connected with the uniform IGBT module 8 through copper bar connecting holes of the components and terminal connecting holes and then connected in a bolt fastening mode.
An insulating block 15 is further assembled inside the case 3 for isolating and fixing the positive and negative conductive copper bars 5, the insulating block 15 is arranged at the splicing position of the high-voltage direct-current plug-in 4, and positive and negative connecting terminals of the high-voltage direct-current plug-in 4 extend into the case 3 and are arranged on the insulating block 15 to be correspondingly connected with the positive and negative conductive copper bars 5; install a wiring lid 2 and correspond from top to bottom with insulating block 15 on upper cover 1, through bolt fixed connection, tear open wiring lid 2 between wiring lid 2 and the upper cover 1, can conveniently carry out the grafting and the dismantlement work of high voltage direct current plug-in components 4. In order to ensure the sealing performance of the controller, sealing rings are additionally arranged between the wiring cover 2 and the upper cover 1 and between the upper cover 1 and the machine shell 3.
The cooling water course 16 that has the casting of an organic whole on the casing 3 is used for the water-cooling heat dissipation of inside components and parts, the side of casing 3 is located to the water inlet 17 of cooling water course 16 for connect outside cooling water and get into the controller, the bottom surface of casing 3 is located to the delivery port 18 of cooling water course 16, and this delivery port 18 is used for the water inlet butt joint with motor housing, makes the controller directly link the water course with motor housing's cooling and seals.
The side surface of the casing 3 is respectively provided with a vent plug 19 and a grounding bolt 20, wherein the grounding bolt 20 is used for grounding protection of the controller; the ventilation plug 19 is used for balancing the internal and external pressure difference caused by the internal temperature rise of the controller, and after the temperature of the controller is reduced, the internal air pressure is smaller than the external air pressure, so that the upper cover 1 is more tightly attached to the shell 3 under the action of the air pressure, and the tightness of the controller is ensured.
According to the invention, the positive and negative conductive copper bars 5 are connected with the output of the power module and the input of the wiring terminal of the motor (namely the three-phase output wiring terminal 11), so that the output end of the motor controller and the wiring terminal of the motor share the wiring box, and no extra power cable is needed; the motor controller can be directly connected with a cooling water channel of the motor shell without an additional water pipe; and the reserved space in the controller meets the installation requirements of all components, so that the overall appearance is miniaturized and flattened, and the whole vehicle is convenient to install and arrange.
Claims (9)
1. The utility model provides a motor controller, includes upper cover and casing, pass through bolt fixed connection between casing and the upper cover, its characterized in that: the high-voltage direct-current plug-in is inserted outside the shell, a positive conductive copper bar, a negative conductive copper bar, at least one filter unit, a capacitor, an IGBT module and an integrated circuit board are assembled inside the shell, the positive conductive copper bar and the negative conductive copper bar extend along the outline of the shell, one end of each positive conductive copper bar and one end of each negative conductive copper bar are correspondingly connected with a positive connecting terminal and a negative connecting terminal of the high-voltage direct-current plug-in, and the other end of each positive conductive copper bar and; the IGBT module is arranged close to the capacitor, and an input terminal of the IGBT module is correspondingly connected with an output terminal of the capacitor; the circuit board adopts the mode pressure equipment of bolt fastening on the IGBT module, zonulae occludens between the signal needle on the IGBT module and the circuit board, and the three-phase output terminal of IGBT module corresponds with three current sensor integrated on the circuit board respectively and is connected, has respectively connect a copper bar on every current sensor, and the copper bar end stretches out the three-phase output wiring end that the casing bottom surface constitutes the controller for be connected with the three-phase wiring end of motor.
2. The motor controller of claim 1, wherein: the speed and temperature sensor plug-in is further integrated on the circuit board, the speed and temperature sensor plug-in is connected with a rotary transformer plug-in through a wiring harness, and the rotary transformer plug-in is installed on the bottom surface of the shell and arranged side by side with the three-phase output terminal.
3. The motor controller of claim 1, wherein: and the circuit board is also integrated with a whole vehicle signal and power supply plug-in which is exposed out of the bottom surface of the shell.
4. The motor controller of claim 1, wherein: the inside of casing still is equipped with an collets and is used for isolated fixed positive negative pole copper bar that leads, the grafting department of high voltage direct current plug-in components is arranged in to the collets, and positive negative pole binding post of high voltage direct current plug-in components stretches into the casing and adorns on the collets and positive negative pole copper bar that leads corresponds and is connected.
5. The motor controller of claim 4, wherein: the upper cover is provided with a wiring cover which corresponds to the insulating block up and down, and the wiring cover is fixedly connected with the upper cover through a bolt.
6. The motor controller of claim 5, wherein: sealing rings are additionally arranged between the wiring cover and the upper cover and between the upper cover and the machine shell.
7. The motor controller of claim 1, wherein: a cooling water channel is integrally cast on the machine shell, a water inlet of the cooling water channel is arranged on the side face of the machine shell, and a water outlet of the cooling water channel is arranged on the bottom face of the machine shell.
8. The motor controller of claim 1, wherein: and the side surface of the shell is respectively provided with a ventilation plug and a grounding bolt.
9. The motor controller of claim 1, wherein: the high-voltage direct-current plug-in unit is aligned with the positive and negative conductive copper bars, the positive and negative conductive copper bars and the capacitor, and the capacitor is connected with the equal IGBT module through the copper bar connecting holes of all the components and parts and the terminal connecting holes and then in a bolt fastening mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309987.4A CN110868129A (en) | 2019-12-18 | 2019-12-18 | Motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911309987.4A CN110868129A (en) | 2019-12-18 | 2019-12-18 | Motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110868129A true CN110868129A (en) | 2020-03-06 |
Family
ID=69659743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911309987.4A Pending CN110868129A (en) | 2019-12-18 | 2019-12-18 | Motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110868129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913032A (en) * | 2020-07-09 | 2020-11-10 | 深圳市大地和电气股份有限公司 | Current acquisition integrated structure of new energy motor controller |
| CN112654215A (en) * | 2020-12-15 | 2021-04-13 | 中克骆瑞新能源科技有限公司 | Cooling runner structure of motor controller |
-
2019
- 2019-12-18 CN CN201911309987.4A patent/CN110868129A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111913032A (en) * | 2020-07-09 | 2020-11-10 | 深圳市大地和电气股份有限公司 | Current acquisition integrated structure of new energy motor controller |
| CN112654215A (en) * | 2020-12-15 | 2021-04-13 | 中克骆瑞新能源科技有限公司 | Cooling runner structure of motor controller |
| CN112654215B (en) * | 2020-12-15 | 2022-09-13 | 中克骆瑞新能源科技有限公司 | Cooling runner structure of motor controller |
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