CN112272508A - All-in-one accessory controller of electric vehicle - Google Patents

All-in-one accessory controller of electric vehicle Download PDF

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Publication number
CN112272508A
CN112272508A CN202011369738.7A CN202011369738A CN112272508A CN 112272508 A CN112272508 A CN 112272508A CN 202011369738 A CN202011369738 A CN 202011369738A CN 112272508 A CN112272508 A CN 112272508A
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CN
China
Prior art keywords
module
battery
controller
oil pump
air pump
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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
Application number
CN202011369738.7A
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Chinese (zh)
Inventor
陈展鹏
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Nanjing Rongpu Yida Power Technology Co ltd
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Nanjing Rongpu Yida Power Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nanjing Rongpu Yida Power Technology Co ltd filed Critical Nanjing Rongpu Yida Power Technology Co ltd
Priority to CN202011369738.7A priority Critical patent/CN112272508A/en
Publication of CN112272508A publication Critical patent/CN112272508A/en
Pending legal-status Critical Current

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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
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20509—Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • 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
    • 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
    • H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
    • 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
    • H05K5/06—Hermetically-sealed casings
    • 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
    • H05K7/02—Arrangements of circuit components or wiring on supporting structure
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses an all-in-one accessory controller of an electric vehicle, wherein a high-voltage power distribution unit, an oil pump DC/AC module, an air pump DC/AC module and a battery DC/DC module are all connected into a power battery of the electric vehicle, a storage battery in the electric vehicle provides normal power for the oil pump DC/AC module, the air pump DC/AC module and the battery DC/DC module, and the oil pump DC/AC module, the air pump DC/AC module and the battery DC/DC module are in network communication through a CAN bus. The invention adopts a centralized power distribution scheme, has compact structural design, convenient wiring layout and convenient and quick maintenance. The whole all-in-one controller adopts the opening module with excellent heat dissipation and vibration resistance, has higher safety and sealing waterproof grade, and also has greater advantages in service life, power consumption, volume and weight. The convex cylinder is added on the heat dissipation plate, so that the contact area between water flow and the shell is effectively increased, and the heat dissipation effect is obviously improved.

Description

All-in-one accessory controller of electric vehicle
The technical field is as follows:
the invention relates to an all-in-one accessory controller of an electric vehicle.
Background art:
environmental protection and energy conservation are the problems which need to be faced in the twenty-first century all over the world, the basic national policy for building a conservation-oriented society and the industrial development policy for encouraging the development of small-displacement energy-saving automobiles are also put forward in China, and the electric vehicle is one of the important means for realizing the goal. The all-in-one electric vehicle is taken as an important component of the electric vehicle and plays an indispensable role in the whole vehicle operation process.
The all-in-one system generally comprises a main motor controller, a steering DC/AC controller, an inflating DC/AC controller, a DC/DC and high-voltage distribution box and other auxiliary controllers. There are two general solutions available in the car factory at present: the other is that the main driver is separated from each accessory controller.
The patent designs to the electric motor car auxiliary controller that unifies more. Compare discrete combination controller, the integration controller outward appearance that unifies more is clean and tidy, can reduce the total volume of controller to save the space of whole car, be favorable to the car to lightweight, miniaturized development. Meanwhile, the integrated all-in-one controller reduces external wiring among discrete controllers, reduces fault points, saves cost, improves product reliability, and is the development direction of new energy electric vehicles in the future.
The invention content is as follows:
the present invention provides an all-in-one accessory controller for an electric vehicle to solve the above problems in the prior art.
The technical scheme adopted by the invention is as follows: the utility model provides an electric motor car auxiliary controller that unifies more, includes casing and the high-pressure distribution unit, oil pump DC AC module, air pump DC AC module and the battery DC module of integration in the casing, high-pressure distribution unit, oil pump DC AC module, air pump DC AC module and battery DC module all insert the power battery of electric motor car, and the battery in the electric motor car provides the normal electricity for oil pump DC AC module, air pump DC AC module and battery DC module, carries out network communication through the CAN bus between oil pump DC AC module, air pump DC AC module and the battery DC module.
Furthermore, the high-voltage power distribution unit comprises a defrosting relay, an air conditioner relay, a motor controller and a pre-charging contactor, wherein the defrosting relay, the air conditioner relay and the motor controller are all connected into a power battery of the electric vehicle, and the pre-charging contactor is connected in parallel with a positive terminal of the motor controller.
Further, the positive pole of the oil pump DC/AC module and the positive pole of the air pump DC/AC module are both merged into the positive pole of the motor controller.
Furthermore, a heat dissipation plate is arranged on the outer wall of the shell, a cooling flow channel is arranged on the heat dissipation plate, a plurality of salient points are uniformly distributed on the inner wall of the cooling water channel, and sealing ring fixing grooves are formed in the periphery of the cooling water channel.
Further, the salient points are cylindrical.
The invention has the following beneficial effects:
the invention adopts a centralized power distribution scheme, has compact structural design, convenient wiring layout and convenient and quick maintenance. The whole all-in-one controller adopts the opening module with excellent heat dissipation and vibration resistance, has higher safety and sealing waterproof grade, and also has greater advantages in service life, power consumption, volume and weight. The convex cylinder is added on the heat dissipation plate, so that the contact area between water flow and the shell is effectively increased, and the heat dissipation effect is obviously improved.
Description of the drawings:
FIG. 1 is a block diagram of the present invention.
FIG. 2 is a wiring diagram of the present invention in an automobile;
in fig. 2: CANH and CANL are CAN network structures of the whole vehicle part.
Fig. 3 is a view showing a structure of a radiator plate attached to a case according to the present invention.
The specific implementation mode is as follows:
the invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the electric vehicle all-in-one accessory controller of the present invention includes a housing 5, and a high voltage power distribution unit 1, an oil pump DC/AC module 2, an air pump DC/AC module 3, and a battery DC/DC module 4 integrated in the housing 5, wherein the high voltage power distribution unit 1, the oil pump DC/AC module 2, the air pump DC/AC module 3, and the battery DC/DC module 4 are all connected to a power battery 6 of the electric vehicle, a storage battery 7 in the electric vehicle provides a normal power for the oil pump DC/AC module 2, the air pump DC/AC module 3, and the battery DC/DC module 4, and the oil pump DC/AC module 2, the air pump DC/AC module 3, and the battery DC/DC module 4 perform network communication through a CAN bus. The oil pump DC/AC module 2 is connected with an oil pump motor 20 in the automobile, and the air pump DC/AC module 3 is connected with an air pump motor 30 in the automobile.
The high-voltage power distribution unit 1 comprises a defrosting relay 11, an air-conditioning relay 12, a motor controller 13 and a pre-charging contactor 14, wherein the defrosting relay 11, the air-conditioning relay 12 and the motor controller 13 are all connected into a power battery of the electric vehicle, and the pre-charging contactor 14 is connected in parallel with a positive terminal of the motor controller 13.
The positive pole of the oil pump DC/AC module 2 and the positive pole of the air pump DC/AC module 3 are both incorporated into the positive pole of the motor controller 13.
The cooling mode adopted by the controller is water cooling. The outer wall of the shell 5 is provided with a heat dissipation plate 50, the heat dissipation plate 50 is provided with a cooling flow passage 51, a plurality of cylindrical salient points 52 are uniformly distributed on the inner wall of the cooling flow passage 51, and the periphery of the cooling flow passage 51 is provided with a sealing ring fixing groove 53, so that the sealing performance of the heat dissipation plate can be effectively improved.
The cylindrical salient points are uniformly distributed in the cooling water channel, so that the contact area between the cooling plate and water flow is increased, and the cooling effect is improved.
According to the invention, the pre-charging contactor 14 is added, the bus capacitor in the pre-charging contactor is pre-charged through the pre-charging loop of the pre-charging contactor 14, and the voltage of the main circuit can be controlled within a safe range when the main circuit is switched on, so that the normal operation of the system is ensured.
The positive pole of the oil pump DC/AC module 2 and the positive pole of the air pump DC/AC module 3 are both merged into the positive pole of the motor controller 13, and when the motor controller carries out pre-charging, the oil pump DC/AC module and the air pump DC/AC module also carry out pre-charging simultaneously, so that the safety of the whole vehicle can be improved.
Through each DCDC of CAN line control and DCAC module, reduce hard line control greatly reduced the fault point, also made things convenient for the inspection maintenance in whole car later stage through the CAN line, also be favorable to whole car to lightweight, integrate the development.
The controller has clear wiring principle and can well meet the requirements of various electric vehicles. The electric vehicle all-in-one accessory controller integrates an oil pump DCAC, an air pump DCAC, a DCDC, high-voltage power distribution and the like, associates all important parts of the whole vehicle through a CAN bus, and controls the on-off of all contactors in the all-in-one controller through a VCU (virtual control Unit) to realize the control of corresponding accessories. When the whole vehicle is powered on, the motor controller is pre-charged through the pre-charging loop, the control module high-voltage input of the oil pump and air pump is placed at the rear end of the main positive relay, and when the motor controller is pre-charged, the oil pump DCAC and the air pump DCAC are pre-charged at the same time, so that the adverse consequences of damage of the control module, ablation of a contact of a contactor and the like caused by instant impact of large current on each module in the charging process are prevented.
The invention adopts a centralized power distribution scheme, has compact structural design, convenient wiring layout and convenient and quick maintenance. The whole all-in-one controller adopts the opening module with excellent heat dissipation and vibration resistance, has higher safety and sealing waterproof grade, and also has greater advantages in service life, power consumption, volume and weight. The convex cylinder is added on the heat dissipation plate, so that the contact area between water flow and the shell is effectively increased, and the heat dissipation effect is obviously improved.
The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims (5)

1. The utility model provides an electric motor car unification auxiliary controller more which characterized in that: the high-voltage distribution unit (1), the oil pump DC/AC module (2), the air pump DC/AC module (3) and the battery DC/DC module (4) are integrated in the shell (5), the high-voltage distribution unit (1), the oil pump DC/AC module (2), the air pump DC/AC module (3) and the battery DC/DC module (4) are all connected into a power battery of the electric vehicle, a storage battery in the electric vehicle provides normal power for the oil pump DC/AC module (2), the air pump DC/AC module (3) and the battery DC/DC module (4), and the oil pump DC/AC module (2), the air pump DC/AC module (3) and the battery DC/DC module (4) are in network communication through a CAN bus.
2. The all-in-one accessory controller for electric vehicles according to claim 1, wherein: high voltage distribution unit (1) is including defrosting relay (11), air conditioning relay (12), motor controller (13) and pre-charge contactor (14), the power battery of electric motor car is all inserted in defrosting relay (11), air conditioning relay (12) and motor controller (13), and pre-charge contactor (14) connect in parallel at the anodal wiring end of motor controller (13).
3. The all-in-one accessory controller for electric vehicles according to claim 2, wherein: and the positive electrode of the oil pump DC/AC module (2) and the positive electrode of the air pump DC/AC module (3) are both merged into the positive electrode of the motor controller (13).
4. The all-in-one accessory controller for electric vehicles according to claim 1, wherein: the outer wall of the shell (5) is provided with a heat dissipation plate (50), the heat dissipation plate (50) is provided with a cooling flow channel (51), a plurality of salient points (52) are uniformly distributed on the inner wall of the cooling flow channel (51), and sealing ring fixing grooves (53) are formed in the periphery of the cooling flow channel (51).
5. The all-in-one accessory controller for electric vehicles according to claim 4, wherein: the salient points (52) are cylindrical.
CN202011369738.7A 2020-11-30 2020-11-30 All-in-one accessory controller of electric vehicle Pending CN112272508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011369738.7A CN112272508A (en) 2020-11-30 2020-11-30 All-in-one accessory controller of electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011369738.7A CN112272508A (en) 2020-11-30 2020-11-30 All-in-one accessory controller of electric vehicle

Publications (1)

Publication Number Publication Date
CN112272508A true CN112272508A (en) 2021-01-26

Family

ID=74350244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011369738.7A Pending CN112272508A (en) 2020-11-30 2020-11-30 All-in-one accessory controller of electric vehicle

Country Status (1)

Country Link
CN (1) CN112272508A (en)

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