CN104210384A - Pure electric vehicle control system - Google Patents
Pure electric vehicle control system Download PDFInfo
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- CN104210384A CN104210384A CN201410512036.8A CN201410512036A CN104210384A CN 104210384 A CN104210384 A CN 104210384A CN 201410512036 A CN201410512036 A CN 201410512036A CN 104210384 A CN104210384 A CN 104210384A
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- control system
- voltage power
- motor
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 abstract 1
- 230000001133 acceleration Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a pure electric vehicle control system, which comprises a vehicle controller, a high-voltage power distribution cabinet and a motor drive unit, wherein the controller and the high-voltage power distribution cabinet are connected by a lead, and the high-voltage power distribution cabinet and the vehicle controller are respectively connected with a lithium titanate battery pack, an electric air conditioner, an oil pump controller, an air pump controller, a DC/DC (Direct Current/Direct Current) module, a charger and the motor drive unit through leads. The pure electric vehicle control system provided by the invention solves the problems that in the pure electric vehicle control system in the prior art, for most of electric power supply parts, the driving mileage is few, the battery charging time is long, the battery electric quantity cannot meet the electric quantity requirement of the driving mileage, the high-rate charging and discharging cannot be realized when the battery is charged, and the motor voltage, power and driving torque are high when a single drive motor is used and the like.
Description
Technical field
The invention belongs to electric vehicle engineering field, particularly relate to a kind of Intelligent Control System of Electrical Vehicle.
Background technology
Along with the develop rapidly of charging technique, electronlmobil has started to popularize gradually, to there is course continuation mileage little for the battery electric power supply major part of existing electronlmobil, the problems such as battery charge time is long, occur that the mainly pure power driven system of these problems is when selecting electrokinetic cell, the battery electric quantity adopted can't meet the requirement of course continuation mileage electricity, high rate charge-discharge can not be realized during battery charging, cause actual charging duration long, and there is the problems such as electric moter voltage, power and required driving torque are large in single drive motor.
Summary of the invention
The technical problem to be solved in the present invention: a kind of Intelligent Control System of Electrical Vehicle is provided, course continuation mileage is there is little with the pure electric automobile electric power supply major part solving prior art, battery charge time is long, battery electric quantity can't meet the requirement of course continuation mileage electricity, can not realize high rate charge-discharge and adopt single drive motor to there is the problems such as electric moter voltage, power and required driving torque are large during battery charging.
Technical solution of the present invention:
A kind of Intelligent Control System of Electrical Vehicle, it comprises entire car controller, high voltage power distributing cabinet and electric-motor drive unit, controller is connected with high voltage power distributing cabinet wire, and high voltage power distributing cabinet and entire car controller are connected with lithium titanate battery group, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit wire respectively.
Described electric-motor drive unit is Dual-motors Driving unit, it comprises the first electric machine controller and the second electric machine controller, high voltage power distributing cabinet is connected with the first electric machine controller and the second electric machine controller difference wire, first electric machine controller is connected with the first drive motor wire, second electric machine controller is connected with the second drive motor wire, and the first drive motor is connected with change speed gear box with the second drive motor.
Das Gaspedal, driving switch and brake pedal are connected with entire car controller wire respectively.
Entire car controller is also connected with water-cooling system wire.
The electric loop of lithium titanate battery group, high voltage power distributing cabinet, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit is all in series with fuse.
Beneficial effect of the present invention:
The present invention adopts lithium titanate ion battery as vehicular energy, and this energy resource system has these advantages: (1) specific energy is high: the energy that unit mass or unit volume battery have, for electronlmobil provides higher continual mileage; (2) specific power is high: the power that unit mass or unit volume battery have, and ensures that electronlmobil has good acceleration capability and grade climbing performance; (3) good environmental adaptability, normally can work within the scope of higher temperature and humidity; (4) charge discharge efficiency is high, and large current charge performance is good, can give battery makeup energy rapidly; (5) can start fast, reliability high leakproofness is good, and cell conformability is high, and in groups, internal resistance is little.Electric-motor drive unit adopts high rotating speed, Double Motor Control pattern, has following advantage: (1) high rotating speed: pot-motor volume is little, quality light, is conducive to the complete vehicle curb weight reducing electronlmobil; (2) quality is light: electrical motor adopts aluminum alloy casing, also requires light as far as possible to reduce motor mass, the quality of various controller equipment and the quality etc. of cooling system; (3) larger starting torque and speed adjusting performance in a big way.Electronlmobil is made to have good startability and acceleration capability like this, drive motor has automatic speed regulating function, therefore can alleviate the manipulation intensity of chaufeur, improve the traveling comfort driven, and the control response same with internal-combustion engines vehicle acceleration pedal can be reached; (4) efficiency is high, loss is few, and has braking energy recovering function.Increase continual mileage to greatest extent when vehicle-mounted gross energy is constant, the energy that regenerative brake reclaims generally can reach 0% ~ 20% of gross energy, and this is irrealizable on internal-combustion engines vehicle.It is little to there is course continuation mileage in the pure electric automobile electric power supply major part that the invention solves prior art, battery charge time is long, battery electric quantity can't meet the requirement of course continuation mileage electricity, can not realize high rate charge-discharge and adopt single drive motor to there is the problems such as electric moter voltage, power and required driving torque are large during battery charging.
accompanying drawing illustrates:
Fig. 1 is present system composition schematic diagram.
detailed description of the invention:
A kind of Intelligent Control System of Electrical Vehicle, it comprises entire car controller, high voltage power distributing cabinet and electric-motor drive unit, controller is connected with high voltage power distributing cabinet wire, and high voltage power distributing cabinet and entire car controller are connected with lithium titanate battery group, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit wire respectively.
Entire car controller is directly connected by CAN wire with lithium titanate battery group, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit, can the mode of operation of Real-time Collection unit and failure message, improve reliability and the real-time of whole-control system.
High voltage power distribution is connected with emergency stop switch cashier's office in a shop, when vehicle get out of hand cannot orderly shutdown time, use emergency stop switch disable motor driver element power supply, realize forcing to stop, the danger caused out of control is dropped to minimum.
Described electric-motor drive unit is Dual-motors Driving unit, it comprises the first electric machine controller and the second electric machine controller, high voltage power distributing cabinet is connected with the first electric machine controller and the second electric machine controller difference wire, first electric machine controller is connected with the first drive motor wire, second electric machine controller is connected with the second drive motor wire, first drive motor is connected with change speed gear box with the second drive motor, first electric machine controller and the second electric machine controller adopt vector type electric machine controller, and employing vector frequency conversion control device realizes the driving to double-motor.
Described Dual-motors Driving unit adopts two variable frequency vector control, changes single drive motor voltage, power, feature that driving torque demand is large: double-motor can drive by single motor, realizes running under the little torque of miniwatt exports operating mode; Also separately can bear electric power by the independent common drive motor of double-motor, widen the scope of superpower, large torque output, torque, speed adjustment high efficient and flexible; Frequency control space vector drived control really achieves alternating current dynamo decoupling zero accurately, makes operation control DC machine; The program can meet vehicle frequent starting/parking, larger starting torque and larger speed adjustable range, fast acceleration/deceleration, meet high torque (HT) needs when low speed and climbing, have enough power when running at high speed, and speed range is large.
Das Gaspedal, driving switch and brake pedal are connected with entire car controller wire respectively and are not connected with sub-control unit, can improve real time and reliability and the sensitivity of device information collection, make wagon control sensitiveer.
Entire car controller is also connected with water-cooling system wire, and water-cooling system is connected with pressure sensor, enables entire car controller Obtaining Accurate hydraulic analogue amount, improves the reliability of water cooling system.
The electric loop of lithium titanate battery group, high voltage power distributing cabinet, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit is all in series with fuse; Overload protection can be carried out by reliable cut-off loop when guaranteeing the phenomenons such as each electric loop generation overvoltage, overcurrent, improve the safety of car load operation and electrical work.
Claims (5)
1. an Intelligent Control System of Electrical Vehicle, it comprises entire car controller, high voltage power distributing cabinet and electric-motor drive unit, controller is connected with high voltage power distributing cabinet wire, it is characterized in that: high voltage power distributing cabinet and entire car controller are connected with lithium titanate battery group, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit wire respectively.
2. a kind of Intelligent Control System of Electrical Vehicle according to claim 1, it is characterized in that: described electric-motor drive unit is Dual-motors Driving unit, it comprises the first electric machine controller and the second electric machine controller, high voltage power distributing cabinet is connected with the first electric machine controller and the second electric machine controller difference wire, first electric machine controller is connected with the first drive motor wire, second electric machine controller is connected with the second drive motor wire, and the first drive motor is connected with change speed gear box with the second drive motor.
3. a kind of Intelligent Control System of Electrical Vehicle according to claim 1, is characterized in that: Das Gaspedal, driving switch and brake pedal are connected with entire car controller wire respectively.
4. a kind of Intelligent Control System of Electrical Vehicle according to claim 1, is characterized in that: entire car controller is also connected with water-cooling system wire.
5. a kind of Intelligent Control System of Electrical Vehicle according to claim 1, is characterized in that: the electric loop of lithium titanate battery group, high voltage power distributing cabinet, electric air-conditioning, oil pump controller, air pump controller, DC/DC module, charger and electric-motor drive unit is all in series with fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512036.8A CN104210384A (en) | 2014-09-29 | 2014-09-29 | Pure electric vehicle control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512036.8A CN104210384A (en) | 2014-09-29 | 2014-09-29 | Pure electric vehicle control system |
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| CN104210384A true CN104210384A (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410512036.8A Pending CN104210384A (en) | 2014-09-29 | 2014-09-29 | Pure electric vehicle control system |
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| CN (1) | CN104210384A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786868A (en) * | 2015-05-06 | 2015-07-22 | 江西捷控新能源科技有限公司 | New energy pure electric vehicle control circuit |
| CN106515512A (en) * | 2016-12-23 | 2017-03-22 | 南京越博动力系统股份有限公司 | System controlling dual-motor assembly based on blade electric vehicle CAN buses |
| CN106882081A (en) * | 2017-03-13 | 2017-06-23 | 福州大学 | Based on the dual-motor pure electric automobile energy management method that instantaneous energy consumption is minimum |
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| US20070099748A1 (en) * | 2005-11-02 | 2007-05-03 | Toyota Jidosha Kabushiki Kaisha | Control apparatus of electric vehicle |
| JP2008086159A (en) * | 2006-09-28 | 2008-04-10 | Bridgestone Corp | Electric cart |
| CN102501774A (en) * | 2011-11-09 | 2012-06-20 | 苏州海格新能源汽车电控系统科技有限公司 | Directly-driven power system for pure electric bus |
| CN103552481A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨理工大学 | Dual-motor configuring electric vehicle power control system and control method |
| CN103895524A (en) * | 2012-12-27 | 2014-07-02 | 比亚迪股份有限公司 | Driving system of electric motor coach and driving control method thereof |
-
2014
- 2014-09-29 CN CN201410512036.8A patent/CN104210384A/en active Pending
Patent Citations (5)
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|---|---|---|---|---|
| US20070099748A1 (en) * | 2005-11-02 | 2007-05-03 | Toyota Jidosha Kabushiki Kaisha | Control apparatus of electric vehicle |
| JP2008086159A (en) * | 2006-09-28 | 2008-04-10 | Bridgestone Corp | Electric cart |
| CN102501774A (en) * | 2011-11-09 | 2012-06-20 | 苏州海格新能源汽车电控系统科技有限公司 | Directly-driven power system for pure electric bus |
| CN103895524A (en) * | 2012-12-27 | 2014-07-02 | 比亚迪股份有限公司 | Driving system of electric motor coach and driving control method thereof |
| CN103552481A (en) * | 2013-11-15 | 2014-02-05 | 哈尔滨理工大学 | Dual-motor configuring electric vehicle power control system and control method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104786868A (en) * | 2015-05-06 | 2015-07-22 | 江西捷控新能源科技有限公司 | New energy pure electric vehicle control circuit |
| CN106515512A (en) * | 2016-12-23 | 2017-03-22 | 南京越博动力系统股份有限公司 | System controlling dual-motor assembly based on blade electric vehicle CAN buses |
| CN106882081A (en) * | 2017-03-13 | 2017-06-23 | 福州大学 | Based on the dual-motor pure electric automobile energy management method that instantaneous energy consumption is minimum |
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Application publication date: 20141217 |
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| RJ01 | Rejection of invention patent application after publication |