CN203331863U - Car driving system - Google Patents
Car driving system Download PDFInfo
- Publication number
- CN203331863U CN203331863U CN2013202806579U CN201320280657U CN203331863U CN 203331863 U CN203331863 U CN 203331863U CN 2013202806579 U CN2013202806579 U CN 2013202806579U CN 201320280657 U CN201320280657 U CN 201320280657U CN 203331863 U CN203331863 U CN 203331863U
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- China
- Prior art keywords
- battery
- subsidiary engine
- driving system
- electrokinetic cell
- drive motor
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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.)
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- 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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a car driving system which comprises a power battery, a high-voltage management unit, an auxiliary system, a motor control unit and a drive motor. The power battery supplies power to the drive motor under the control of the high-voltage management unit through the motor control unit. The car driving system further comprises an energy control unit, an auxiliary battery and an auxiliary battery management unit. The energy control unit controls working conditions of the power battery and working conditions of the auxiliary battery. The auxiliary battery management unit controls the auxiliary battery to supply power to the auxiliary system. According to the car driving system, car dynamic quality demands can be met, working environment of the batteries in the car driving system can be optimized, and therefore the service life of the batteries can be prolonged; meanwhile, the size of the batteries is reduced, and finished car arrangement and subsequent installation, adjustment and replacement operation are facilitated.
Description
Technical field
The utility model relates to drive system, especially, relates to a kind of automobile driving system.
Background technology
As shown in Figure 1, be the structural representation of automobile driving system in prior art.This drive system comprises electrokinetic cell 11, high pressure administrative unit 12, car load control unit (HCU) 13, motor control unit 141, drive motor 14, auxiliary system 15, charging inlet 16, inverter (DCAC) 17.Wherein, auxiliary system 15 comprises electric power steering unit 151, electric air compression unit 152 and electric air-conditioning 153.
Drive system is charged to electrokinetic cell 11 under the control of high pressure administrative unit 12 by charging inlet 16.Under the control of car load control unit 13, electrokinetic cell 11 is powered to drive motor 14 by high pressure administrative unit 12 and motor control unit 141, and to power assist steering unit 151, electric air compression unit 152 and electric air-conditioning 153, power respectively by high pressure administrative unit 12, inverter 17, to guarantee drive motor and auxiliary system normal operation, guarantee that automobile normally moves.
Along with the variation of driving operating mode, the electric power input area also changes thereupon, due to an electrokinetic cell only being set in drive system, can't guarantee that battery works long hours at optimum output area.In addition, an electrokinetic cell need to meet the work requirements of drive motor and these high voltage components of auxiliary system simultaneously, the capacity of battery can be larger, thereby cause the battery volume also larger, is not easy to arrange and the follow-up operations such as installation, debugging and replacing in automobile.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of automobile driving system, when meeting the automobile power sexual demand, can realize the working environment of battery in optimization system, extend battery service life, can reduce the battery volume, so that arrangement simultaneously.
The utility model provides a kind of automobile driving system, comprise electrokinetic cell, high pressure administrative unit, auxiliary system, motor control unit and drive motor, described electrokinetic cell is described drive motor power supply by described motor control unit under the control of described high pressure administrative unit, also comprises:
The subsidiary engine battery;
Control the energy control unit of described electrokinetic cell mode of operation and the battery operated state of described subsidiary engine;
Control the subsidiary engine battery management unit of described subsidiary engine battery to described auxiliary system power supply.
Preferably, described energy control unit comprises: for detection of the dump energy percentum of electrokinetic cell and the dump energy percentum of subsidiary engine battery, and control the charging direction according to above-mentioned testing result, make dump energy percentum first energy consistent with the dump energy percentum of described subsidiary engine battery of described electrokinetic cell control subelement.
Preferably, described charging direction comprises the charging of the battery large by the dump energy percentum battery little to the dump energy percentum and the battery little to the dump energy percentum by described motor control unit, high pressure administrative unit charges by described drive motor.
Preferably, described energy control unit comprises: for detection of the horsepower output of drive motor, when the horsepower output of described drive motor is greater than the power of electrokinetic cell, controls described electrokinetic cell and described subsidiary engine battery and combine the second energy control subelement for described drive motor power supply.
Preferably, described automobile driving system also is included under the control of described energy control unit the charging inlet for described electrokinetic cell and the charging of subsidiary engine battery.
Preferably, described automobile driving system also comprises inverter; Described auxiliary system comprises electric power steering unit, electric air compression unit and electric air-conditioning; Described subsidiary engine battery under the control of described subsidiary engine battery management unit by inverter respectively to described electric power steering unit, the power supply of electric air compression unit and electric air-conditioning.
The automobile driving system that the utility model provides, when meeting the automobile power sexual demand, can realize the working environment of battery in optimization system, extend battery service life, simultaneously can reduce the battery volume, so that the operation of arrangement and follow-up installation, modulation, replacing.
The accompanying drawing explanation
Fig. 1 is the structural representation of prior art automobile driving system;
Fig. 2 is the structural representation of automobile driving system the first embodiment of the present utility model;
Fig. 3 is the structural representation of automobile driving system the second embodiment of the present utility model.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 2, show the structural representation of the utility model automobile driving system the first embodiment, comprise electrokinetic cell 21, high pressure administrative unit 22, auxiliary system 23, motor control unit 241, drive motor 24, energy control unit 25, subsidiary engine battery 271 and subsidiary engine Single Component Management unit 272.
Subsidiary engine battery management unit 272 is for controlling subsidiary engine battery 271 to auxiliary system 23 power supplies.Owing to being provided with to the subsidiary engine battery 271 of auxiliary system 23 power supplies, capacity and output area that electrokinetic cell 21 can be complementary with it according to the demand setting of drive motor 24, can reduce the size that drives battery 24 greatly.
The automobile driving system provided by the utility model, when meeting the automobile power sexual demand, can realize the working environment of battery in optimization system, and then extend battery service life, simultaneously can reduce the battery volume, so that the operation of arrangement and follow-up installation, modulation, replacing.
Referring to Fig. 3, show the structural representation of the utility model automobile driving system the second embodiment.This preferred embodiment, on the basis of the utility model system the first embodiment, also comprises charging inlet 26, inverter 273, and auxiliary system 23 comprises electric power steering unit 231, electric air compression unit 232 and electric air-conditioning 233.
Charging inlet 26 is for being 271 chargings of electrokinetic cell 21 and subsidiary engine battery by external power supply under the control in high pressure administrative unit 22.
High pressure administrative unit 22 connects drive motor 24 by motor control unit 241.In order better to protect drive motor 24, also preliminary filling unit (not shown) can be set in motor control unit 241.
Further, comprise the first energy control subelement at energy control unit 25, for detection of the dump energy percentum of electrokinetic cell 21 and the dump energy percentum of subsidiary engine battery 271, and control the charging direction according to above-mentioned testing result, make the dump energy percentum of electrokinetic cell 21 consistent with the dump energy percentum of subsidiary engine battery 271.Wherein, dump energy percentum (SOC, State Of Change) is the ratio of battery dump energy and this battery total capacity.
Described charging direction, a kind of is battery to the dump energy percentum little battery charging large by the dump energy percentum, until the dump energy percentum of electrokinetic cell 21 is consistent with the dump energy percentum of subsidiary engine battery 271; Another kind of for the braking recovery energy passes through motor control unit 241 and the high pressure administrative unit 22 battery charging little to the dump energy percentage by drive motor 24, until the dump energy percentum of electrokinetic cell 21 is consistent with the dump energy percentum of subsidiary engine battery 271.
Control subelement by the first energy, can under the prerequisite that meets the battery discharge characteristic, optimize the working environment of battery, and then extend the service life of battery.
Further, comprise the second energy control subelement at energy control unit 25, for detection of the horsepower output of drive motor 24, and, when the horsepower output of drive motor 24 is greater than the power of electrokinetic cell 21, controls electrokinetic cell 21 and subsidiary engine battery 271 and combine for drive motor 24 power supplies.
For different rows turner condition, the horsepower output of drive motor is different, and while travelling on level land such as automobile, the horsepower output of drive motor is less, and automobile is when climbing, and the horsepower output of drive motor is larger.The second energy is controlled subelement the horsepower output of the drive motor 24 that detects and the power of electrokinetic cell 21 is compared, and for example can detect by the degree of depth of automobile accelerator pedal the horsepower output of drive motor.If the horsepower output of the drive motor detected is less than the power of electrokinetic cell 21, the horsepower output that the drive motor needs are described is less, electrokinetic cell 21 can meet the current dynamic property demand of automobile, control electrokinetic cell 21 and subsidiary engine battery 271 is worked separately, be respectively drive motor 24 and auxiliary system 23 power supplies; If the horsepower output of the drive motor detected is greater than the power of electrokinetic cell 21, the horsepower output that the drive motor needs are described is larger, electrokinetic cell 21 can not meet the current dynamic property demand of automobile, controls electrokinetic cell 21 and subsidiary engine battery 271 and combines for drive motor 14 power supplies.
In the situation that automobile following vehicle working conditions change and cause the battery output area to change is controlled subelement by the second energy, when meeting the automobile power sexual demand, guarantee that battery works long hours at optimum output area, and then extend the service life of battery.
Concrete, the first energy in energy control unit 25 is controlled subelement and is carried out as follows work:
S11, detect the dump energy percentum of electrokinetic cell and the dump energy percentum of subsidiary engine battery;
S12, control the charging direction according to above-mentioned testing result, makes the dump energy percentum of electrokinetic cell consistent with the dump energy percentum of subsidiary engine battery.
Controlling subelement by the first energy in energy control unit 25 can optimize the working environment of battery under the prerequisite that meets the battery discharge characteristic, and then extends the service life of battery.
Concrete, the second energy in energy control unit 25 is controlled subelement and is carried out as follows work:
S21, the horsepower output of detection drive motor;
S22, relatively whether the horsepower output of drive motor is greater than the power of electrokinetic cell; If, go to step S23, otherwise, go to step S24;
S23, control electrokinetic cell and subsidiary engine battery and combine the drive motor power supply for automobile driving system;
S24, control electrokinetic cell and subsidiary engine battery and be respectively drive motor power supply and auxiliary system power supply.
Control subelement by the second energy in energy control unit 25, in the situation that automobile following vehicle working conditions change and cause the battery output area to change, can when meeting the automobile power sexual demand, guarantee that battery works long hours at optimum output area, and then extend the service life of battery.
Each embodiment in this specification sheets all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, and each executes between example identical similar part mutually referring to getting final product.
Above a kind of automobile driving system provided by the utility model is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model simultaneously.
Claims (7)
1. an automobile driving system, comprise electrokinetic cell, high pressure administrative unit, auxiliary system, motor control unit and drive motor, described electrokinetic cell is described drive motor power supply by described motor control unit under the control of described high pressure administrative unit, it is characterized in that, also comprises:
The subsidiary engine battery;
Control the energy control unit of described electrokinetic cell mode of operation and the battery operated state of described subsidiary engine;
Control the subsidiary engine battery management unit of described subsidiary engine battery to described auxiliary system power supply.
2. automobile driving system as claimed in claim 1, it is characterized in that, described energy control unit comprises: for detection of the dump energy percentum of electrokinetic cell and the dump energy percentum of subsidiary engine battery, and control the charging direction according to above-mentioned testing result, make dump energy percentum first energy consistent with the dump energy percentum of described subsidiary engine battery of described electrokinetic cell control subelement.
3. automobile driving system as claimed in claim 2, is characterized in that, described charging direction is battery to the dump energy percentum little battery charging large by the dump energy percentum.
4. automobile driving system as claimed in claim 2, is characterized in that, described charging direction is the battery charging little to the dump energy percentum by described motor control unit, high pressure administrative unit by described drive motor.
5. automobile driving system as claimed in claim 1, it is characterized in that, described energy control unit comprises: for detection of the horsepower output of drive motor, when the horsepower output of described drive motor is greater than the power of electrokinetic cell, controls described electrokinetic cell and described subsidiary engine battery and combine the second energy control subelement for described drive motor power supply.
6. automobile driving system as claimed in claim 1, is characterized in that, also comprises: the charging inlet that is described electrokinetic cell and the charging of subsidiary engine battery under the control of described energy control unit.
7. automobile driving system as claimed in claim 1 is characterized in that:
Described automobile driving system also comprises inverter;
Described auxiliary system comprises electric power steering unit, electric air compression unit and electric air-conditioning;
Described subsidiary engine battery under the control of described subsidiary engine battery management unit by inverter respectively to described electric power steering unit, the power supply of electric air compression unit and electric air-conditioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202806579U CN203331863U (en) | 2013-05-21 | 2013-05-21 | Car driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202806579U CN203331863U (en) | 2013-05-21 | 2013-05-21 | Car driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203331863U true CN203331863U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202806579U Expired - Lifetime CN203331863U (en) | 2013-05-21 | 2013-05-21 | Car driving system |
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| Country | Link |
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| CN (1) | CN203331863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287281A (en) * | 2013-05-21 | 2013-09-11 | 潍柴动力股份有限公司 | Automotive driving system and electric energy control method thereof |
-
2013
- 2013-05-21 CN CN2013202806579U patent/CN203331863U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287281A (en) * | 2013-05-21 | 2013-09-11 | 潍柴动力股份有限公司 | Automotive driving system and electric energy control method thereof |
| CN103287281B (en) * | 2013-05-21 | 2016-06-08 | 潍柴动力股份有限公司 | A kind of automobile driving system and electric energy control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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| CX01 | Expiry of patent term |