CN113194676A - One-to-two bridge drive controller for vehicle - Google Patents
One-to-two bridge drive controller for vehicle Download PDFInfo
- Publication number
- CN113194676A CN113194676A CN202110403665.7A CN202110403665A CN113194676A CN 113194676 A CN113194676 A CN 113194676A CN 202110403665 A CN202110403665 A CN 202110403665A CN 113194676 A CN113194676 A CN 113194676A
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- Prior art keywords
- full
- bridge
- motor
- driving
- board
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Classifications
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- 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
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/68—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more dc dynamo-electric motors
-
- 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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
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- 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
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a one-driving-two bridge driving controller for a vehicle, belonging to the technical field of vehicle motor control; in the prior art, the one-to-two bridge driving controller has large volume, heavy weight and complicated internal wiring harness arrangement; the one-driving-two bridge drive controller comprises a shell, a main control board, a signal adapter board, a first driving board, a second driving board, a radiator, a first full-bridge driver and a second full-bridge driver; an upper chamber topological structure and a lower chamber topological structure are adopted, and two motor control modules share a water channel, so that the space is effectively utilized, and the size and the weight of a controller are reduced; the sampling signal adapter plate replaces a large number of wiring harnesses, and is stable in performance and high in reliability.
Description
Technical Field
The invention belongs to the technical field of vehicle motor control, and particularly relates to a one-driving-two bridge drive controller.
Background
With the upgrading of the automobile energy industry and the automobile control technology, the electric vehicle becomes the current mainstream scheme, and the characteristics of zero pollution, low noise, high energy conversion efficiency, good acceleration and the like of the electric vehicle become the means of transportation which is concerned, and also become the important development direction of each large automobile factory. Three electric (battery, motor and electric control) are the most important components of the electric automobile, and the motor controller is one of the cores of the driving control system of the electric automobile.
Compared with the traditional mode of adopting a single motor to provide power, the technology of the one-driving-two double-motor control system is that an independent motor is respectively arranged on two wheels on each axle, the two wheels are independently driven by the corresponding motors respectively to realize distributed driving, so the double-motor control system has the following characteristics: the vehicle has the advantages of large motion flexibility, high transmission efficiency and good power economy, can save a mechanical transmission device required by driving of a single motor, and greatly improves the flexibility of the layout of parts of the whole vehicle.
In the prior art, two controllers are generally adopted to respectively control two motors or two controller components are arranged in a shell.
The existing one-to-two controller has the following defects: 1. the controller has large volume, heavy weight and low space utilization rate, and is not beneficial to the arrangement and weight reduction of the whole vehicle; 2. the wiring harness inside the controller is complex in arrangement, weak in anti-interference capability, low in reliability and inconvenient to maintain.
Therefore, in order to solve the above problems, it is desirable to provide a one-to-two motor controller with compact structure, light weight, high interference rejection capability and low cost.
Disclosure of Invention
In view of the problems in the prior art, the invention provides a vehicle one-driving-two bridge driving controller, which is characterized in that: the vehicle one-driving-two bridge driving controller comprises a shell, a main control board, a signal adapter board, a first driving board, a second driving board, a radiator, a first full-bridge driver and a second full-bridge driver;
the shell comprises an upper cavity and a lower cavity, and the radiator is arranged between the upper cavity and the lower cavity;
an opening is formed in the radiator, the opening is communicated with the upper cavity and the lower cavity, and the signal adapter plate is arranged in the opening;
the first driving plate and the first full-bridge driver are arranged in the upper chamber; the second drive plate, the second full-bridge driver and the second full-bridge driver are arranged in the upper chamber;
the main control panel is arranged in the upper chamber or the lower chamber.
Preferably, the main control board comprises a tri-core chip, the tri-core chip comprises a core 1, a core 2 and a core 3, wherein the core 1 is used for realizing coordination control between the first motor and the second motor and coordination control of the whole vehicle; the core 2 is used for controlling the first full-bridge driving circuit; the core 3 is used to control the second full-bridge driver circuit.
Preferably, the signal adapter plate is connected with the main control board through a short wiring harness, 4 phase current sensors are arranged on the signal adapter plate, and the signal adapter plate is respectively connected with the first drive board and the second drive board through a short wiring harness; the first driving board is used for driving a first full-bridge driver so as to drive a first motor; the second drive board is used for driving a second full-bridge driver so as to drive a second motor.
Preferably, the first full-bridge driver and the second full-bridge driver are tightly attached to two sides of the heat sink and cooled simultaneously.
Preferably, the IGBTs and the capacitors of the first motor and the second motor are arranged on the heat sink.
Preferably, the high-voltage lines of the first motor and the second motor are respectively located in the upper chamber and the lower chamber.
Preferably, a thin film capacitor is placed on the left side of the upper chamber, the capacitor is connected with a first full-bridge driver through a laminated busbar, and meanwhile, an IGBT (insulated gate bipolar translator) of the first motor is connected to a UVW (ultraviolet-ultraviolet) three-phase high-voltage connector on the shell through a copper bar;
the utility model discloses a motor shell, including cavity, lower cavity, first full-bridge driver, second motor, lower cavity right side is film capacitor, film capacitor is connected with first full-bridge driver through female arranging of stromatolite, simultaneously the IGBT of second motor is connected to through the copper bar UVW three-phase high pressure on the casing connects the ware of inserting.
Compared with the prior art, the invention at least has the following beneficial effects:
1) an upper chamber topological structure and a lower chamber topological structure are adopted, and two motor control modules share a water channel, so that the space is effectively utilized, and the size and the weight of a controller are reduced;
2) the sampling signal adapter plate replaces a large number of wiring harnesses, and is stable in performance and high in reliability;
3) the signal transmission between the upper layer and the lower layer is realized by adopting a circuit board mode, connecting wire harnesses are reduced, the layout of the controller is optimized, the reliability of a system is improved, and the response time is short.
Drawings
FIG. 1 is a functional diagram of the controller of the present invention;
FIG. 2 is a functional diagram of a three core die for the controller of the present invention;
fig. 3 is a schematic diagram of the structure of the control of the present invention.
The present invention is described in further detail below. The following examples are merely illustrative of the present invention and do not represent or limit the scope of the claims, which are defined by the claims.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the controller provided by the present invention includes 1 main control board, 1 signal adapter board, 2 driving boards, 1 heat sink, and 2 sets of full bridge drivers; the main control board can control two motors at the same time.
The main control board comprises a tri-core chip which is used for acquiring a first wheel speed signal, a second wheel speed signal, a first low-side drive signal, a second low-side drive signal and an acceleration sensor signal through a first path of CAN communication; the CAN communication interface is connected with the calibration interface and the finished automobile communication interface through a second path of CAN communication, and performs information interaction with a VCU (vehicle control unit); the third path of CAN communication is connected with the first motor signal interface and the second motor signal interface, and corresponding signals are collected; the main control board is driven by a 24V power supply.
The signal adapter board is connected with the main control board through a short wiring harness, 4 phase current sensors are integrated, and after signals are sorted and distinguished, the signals are respectively connected with the two driving boards through the short wiring harness; the first driving board is used for driving the first full-bridge driver so as to drive the first motor; the second drive board is used for driving a second full-bridge driver so as to drive a second motor, and the first full-bridge driver and the second full-bridge driver adopt 600V direct-current power supplies; the first motor and the second motor are used for driving the first wheel and the second wheel respectively.
Two sets of full-bridge drivers are tightly attached to two surfaces of the radiator and are cooled simultaneously.
As shown in fig. 2, the three-core chip includes a core 1, a core 2, and a core 3, where the core 1 is used to implement the coordination control between the first motor and the second motor, the coordination control of the entire vehicle, and other related functions; the core 2 is used for controlling a bridge type driving circuit of a first motor; the core 3 is used for controlling a bridge type driving circuit of a second motor;
as shown in fig. 3, the controller housing has an upper and lower dual-chamber structure, the control module of the first motor, i.e. the first driving board and the first full-bridge driver, is disposed in the upper chamber of the controller housing, and the control module of the second motor, i.e. the second driving board and the second full-bridge driver, is disposed in the lower chamber of the controller housing; a radiator is arranged between the upper cavity and the lower cavity of the controller shell. The IGBT, the capacitor and other power heat dissipation devices of the first motor and the second motor are arranged on the radiator. The high-voltage wires of the first motor and the second motor are respectively positioned in the upper cavity and the lower cavity of the controller shell.
The internal structure of the controller shell is as follows:
1) inner structure of upper cavity of controller shell
A thin film capacitor is placed on the left side of the upper cavity, the capacitor is connected with a UVW three-phase drive axle through a laminated busbar, and meanwhile, the IGBT is connected to a UVW three-phase high-voltage connector on the controller shell through a copper bar. The main control board is arranged above the laminated busbar and adopts a special-shaped structure, so that the height size of the controller is reduced to the greatest extent; the main control board can also be arranged in the lower chamber of the controller shell according to the same installation mode.
2) Internal structure of lower chamber of controller shell
The inner structure of the lower cavity of the controller shell; the lower cavity internal structure and the upper cavity internal structure are basically symmetrically arranged. The right side is a thin film capacitor, the capacitor is connected with a UVW phase drive axle through a laminated busbar, and meanwhile, the IGBT is connected to a UVW three-phase high-voltage connector on the controller shell through a copper bar.
3) The radiator is arranged between the upper chamber and the lower chamber of the controller shell, an opening is formed in the radiator, the opening is communicated with the upper chamber and the lower chamber, and a signal adapter plate is arranged at the opening; the current sensor is arranged on the signal adapter plate, and IGBT temperature and phase current signals, a main control plate drive signal and a drive plate feedback signal are all switched through the signal adapter plate; in this way, the drive signal can be made to satisfy the "path minimization principle"; meanwhile, a plurality of connecting wire harnesses can be reduced, the layout of the controller is optimized, and the reliability of the system is improved. The water inlet and the water outlet of the radiator are arranged on the lower chamber.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. The utility model provides a two bridge drive controllers are dragged to automobile-used one which characterized in that: the vehicle one-driving-two bridge driving controller comprises a shell, a main control board, a signal adapter board, a first driving board, a second driving board, a radiator, a first full-bridge driver and a second full-bridge driver;
the shell comprises an upper cavity and a lower cavity, and the radiator is arranged between the upper cavity and the lower cavity;
an opening is formed in the radiator, the opening is communicated with the upper cavity and the lower cavity, and the signal adapter plate is arranged in the opening;
the first driving plate and the first full-bridge driver are arranged in the upper chamber; the second drive plate, the second full-bridge driver and the second full-bridge driver are arranged in the upper chamber;
the main control panel is arranged in the upper chamber or the lower chamber.
2. The bridge drive controller of claim 1, wherein: the main control board comprises a three-core chip, wherein the three-core chip comprises a core 1, a core 2 and a core 3, and the core 1 is used for realizing coordination control between the first motor and the second motor and coordination control of the whole vehicle; the core 2 is used for controlling the first full-bridge driving circuit; the core 3 is used to control the second full-bridge driver circuit.
3. The bridge drive controller of claim 1, wherein: the signal adapter plate is connected with the main control board through a short wire harness, 4 phase current sensors are arranged on the signal adapter plate, and the signal adapter plate is respectively connected with the first drive board and the second drive board through a short wire harness; the first driving board is used for driving a first full-bridge driver so as to drive a first motor; the second drive board is used for driving a second full-bridge driver so as to drive a second motor.
4. The bridge drive controller of claim 1, wherein: the first full-bridge driver and the second full-bridge driver are tightly attached to two surfaces of the radiator and are cooled simultaneously.
5. The bridge drive controller of claim 3, wherein: the IGBT and the capacitor of the first motor and the second motor are arranged on the radiator.
6. The bridge drive controller of claim 3, wherein: the high-voltage wires of the first motor and the second motor are respectively positioned in the upper cavity and the lower cavity.
7. The bridge drive controller of claim 1, wherein: a thin film capacitor is arranged on the left side of the upper cavity and is connected with a first full-bridge driver through a laminated busbar, and meanwhile, an IGBT (insulated gate bipolar translator) of the first motor is connected to a UVW (ultraviolet-ultraviolet) three-phase high-voltage connector on the shell through a copper bar;
the utility model discloses a motor shell, including cavity, lower cavity, first full-bridge driver, second motor, lower cavity right side is film capacitor, film capacitor is connected with first full-bridge driver through female arranging of stromatolite, simultaneously the IGBT of second motor is connected to through the copper bar UVW three-phase high pressure on the casing connects the ware of inserting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403665.7A CN113194676A (en) | 2021-04-15 | 2021-04-15 | One-to-two bridge drive controller for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110403665.7A CN113194676A (en) | 2021-04-15 | 2021-04-15 | One-to-two bridge drive controller for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113194676A true CN113194676A (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110403665.7A Pending CN113194676A (en) | 2021-04-15 | 2021-04-15 | One-to-two bridge drive controller for vehicle |
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| Country | Link |
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| CN (1) | CN113194676A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208159017U (en) * | 2018-04-25 | 2018-11-27 | 苏州汇川联合动力系统有限公司 | Integrated manipulator |
| CN109131153A (en) * | 2018-08-15 | 2019-01-04 | 南京越博电驱动系统有限公司 | A kind of novel electric vehicle Double Motor Control device |
| CN211128664U (en) * | 2019-12-30 | 2020-07-28 | 蜂巢电驱动科技河北有限公司 | Double-motor controller and electric automobile with same |
| CN112193182A (en) * | 2020-09-23 | 2021-01-08 | 珠海格力电器股份有限公司 | Integrated power domain control system and automobile |
-
2021
- 2021-04-15 CN CN202110403665.7A patent/CN113194676A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208159017U (en) * | 2018-04-25 | 2018-11-27 | 苏州汇川联合动力系统有限公司 | Integrated manipulator |
| CN109131153A (en) * | 2018-08-15 | 2019-01-04 | 南京越博电驱动系统有限公司 | A kind of novel electric vehicle Double Motor Control device |
| CN211128664U (en) * | 2019-12-30 | 2020-07-28 | 蜂巢电驱动科技河北有限公司 | Double-motor controller and electric automobile with same |
| CN112193182A (en) * | 2020-09-23 | 2021-01-08 | 珠海格力电器股份有限公司 | Integrated power domain control system and automobile |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210730 |
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| RJ01 | Rejection of invention patent application after publication |