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CN104682530A - Vehicle-mounted energy storage device for electric agricultural vehicle - Google Patents

Vehicle-mounted energy storage device for electric agricultural vehicle Download PDF

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Publication number
CN104682530A
CN104682530A CN201510096611.5A CN201510096611A CN104682530A CN 104682530 A CN104682530 A CN 104682530A CN 201510096611 A CN201510096611 A CN 201510096611A CN 104682530 A CN104682530 A CN 104682530A
Authority
CN
China
Prior art keywords
chip
pin
vehicle
electric capacity
storage device
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
Application number
CN201510096611.5A
Other languages
Chinese (zh)
Inventor
石坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING CITY DINGTIAN MACHINERY Co Ltd
Original Assignee
NANJING CITY DINGTIAN MACHINERY 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 CITY DINGTIAN MACHINERY Co Ltd filed Critical NANJING CITY DINGTIAN MACHINERY Co Ltd
Priority to CN201510096611.5A priority Critical patent/CN104682530A/en
Publication of CN104682530A publication Critical patent/CN104682530A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1415Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1469Regulation of the charging current or voltage otherwise than by variation of field
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1469Regulation of the charging current or voltage otherwise than by variation of field
    • H02J7/1476Regulation of the charging current or voltage otherwise than by variation of field by mechanical action on the generator
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/14Circuit arrangements for charging or discharging batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
    • H02J7/1469Regulation of the charging current or voltage otherwise than by variation of field
    • H02J7/1492Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and the battery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/80Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a vehicle-mounted energy storage device for an electric agricultural vehicle. A lithium battery can obtain electric energy through the rotation of wheels, while the working efficiency of a stabilized voltage supply can be improved, the energy consumption is reduced, and the thermal damage on the lithium battery is reduced. Moreover, the interference of the sharp fluctuation of external alternating voltage to the lithium battery can be reduced, while the high-frequency interference from a power supply can be reduced.

Description

The vehicle-mounted energy storage device of a kind of electric agricultural car
Technical field
The present invention relates to and relate to electric vehicle engineering field, be specifically related to the vehicle-mounted energy storage device of a kind of electric agricultural car.
Background technology
Along with the fast development of New-energy electric vehicle, the performance of car load to vehicle-mounted energy storage device (abbreviation power brick) proposes higher requirement, and main manifestations is safety and reliability, life-span, safeguards several aspects such as convenience.The safety of electric automobile energy storage device and reliability main manifestations are that battery case passes through distortion absorption collision energy, and energy storage device inner part can not enter member storehouse, jeopardizes client secure; Inside and outside link is solid and reliable, and casing intensity, rigidity meet the demands, and battery case is dust-proof, waterproof.Batteries of electric automobile bag safeguards that convenience main manifestations is battery moduleization design in battery case, flexible configuration; Battery status parameter is convenient to read from outside, and battery management system is convenient to upgrade maintenance, maintenance.The charge mode variation of battery.
Summary of the invention
For solving the problem, the invention provides the vehicle-mounted energy storage device of a kind of electric agricultural car, making lithium battery obtain electric energy by vehicle wheel rotation.
For achieving the above object, the technical scheme that the present invention takes is:
The vehicle-mounted energy storage device of a kind of electric agricultural car, comprise master controller, the first system power module, vehicle wheel rotation electricity generation module, second system power module, AD conversion module, lithium ion battery and PWM and control charging circuit, vehicle wheel rotation electricity generation module is connected with master controller by the first system power module, master controller controls charging circuit with second system power module with PWM respectively and is connected, control charging circuit to be connected with AD conversion module by lithium ion battery, AD conversion module is connected with master controller, described master controller adopts chip processor AT89S51, described vehicle wheel rotation electricity generation module adopts permanent magnet generator, described the first system power module (2) comprises power circuit and voltage stabilizing circuit, described voltage stabilizing circuit comprises integrated chip IC1 and three-terminal voltage-stabilizing chip IC 2, 1 pin of integrated chip IC1 meets the second electric capacity C2 to earth terminal, 3 pin of integrated chip IC1 and 5 pin ground connection, 4 pin of integrated chip IC1 connect first resistance R1 one end and second resistance R one end respectively, the second resistance R2 other end connects first electric capacity C1 one end and inductance L 1 one end respectively, 2 pin of another termination integrated chip of inductance L 1 IC1, diode D1 positive pole, the first electric capacity C1 other end, the first resistance R1 other end, 3rd electric capacity C3 one end, 2 pin of three-terminal voltage-stabilizing chip IC 2, the 4th equal ground connection in electric capacity C4 one end, 3 pin of three-terminal voltage-stabilizing chip IC 2, 4th another termination of electric capacity C4+5V power end, 1 pin of three-terminal voltage-stabilizing chip IC 2 connects the other end of the 3rd electric capacity C3 other end and the first electric capacity C1, three-terminal voltage-stabilizing chip IC 2 is connected with AD conversion module 5 with power supply hole and chip processor AT89S51.
Wherein, described AD conversion module 5 adopts A/D converter ADC0809.
Wherein, described PWM controls charging circuit 7 and comprises metal-oxide-semiconductor IRF540, and the grid G of metal-oxide-semiconductor IRF540 is connected with the PWM pin of chip processor AT89S51.
Wherein, described integrated chip IC1 adopts chip LM2576.
Wherein, the model of described three-terminal voltage-stabilizing chip IC 2 is W7805.
The present invention has following beneficial effect:
Lithium battery is made to obtain electric energy by vehicle wheel rotation, the operating efficiency of stabilized voltage power supply can be improved simultaneously, reduce energy loss, reduce the pyrolytic damage to lithium battery, and external communication voltage fluctuation can be reduced to the interference of lithium battery, the High-frequency Interference scurried into through power supply can be reduced simultaneously.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the circuit diagram of the first system power module in the present invention;
Fig. 3 is the circuit diagram of the chip processor AT89S51 in the present invention;
Fig. 4 is the pinouts of the transducer ADC0809 in the present invention;
Fig. 5 is the circuit diagram that PWM of the present invention controls charging circuit.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As Figure 1-5, embodiments provide the vehicle-mounted energy storage device of a kind of electric agricultural car, comprise master controller 1, the first system power module 2, vehicle wheel rotation electricity generation module 3, second system power module 4, AD conversion module 5, lithium ion battery 6 and PWM control charging circuit 7, vehicle wheel rotation electricity generation module 3 is connected with master controller 1 by the first system power module 2, master controller 1 controls charging circuit 7 with second system power module 4 with PWM respectively and is connected, control charging circuit 7 to be connected with AD conversion module 5 by lithium ion battery 6, AD conversion module 5 is connected with master controller 1, described master controller 1 adopts chip processor AT89S51, described vehicle wheel rotation electricity generation module 3 adopts permanent magnet generator, described the first system power module 2 comprises power circuit and voltage stabilizing circuit, described voltage stabilizing circuit comprises integrated chip IC1 and three-terminal voltage-stabilizing chip IC 2, 1 pin of integrated chip IC1 meets the second electric capacity C2 to earth terminal, 3 pin of integrated chip IC1 and 5 pin ground connection, 4 pin of integrated chip IC1 connect first resistance R1 one end and second resistance R one end respectively, the second resistance R2 other end connects first electric capacity C1 one end and inductance L 1 one end respectively, 2 pin of another termination integrated chip of inductance L 1 IC1, diode D1 positive pole, the first electric capacity C1 other end, the first resistance R1 other end, 3rd electric capacity C3 one end, 2 pin of three-terminal voltage-stabilizing chip IC 2, the 4th equal ground connection in electric capacity C4 one end, 3 pin of three-terminal voltage-stabilizing chip IC 2, 4th another termination of electric capacity C4+5V power end, 1 pin of three-terminal voltage-stabilizing chip IC 2 connects the other end of the 3rd electric capacity C3 other end and the first electric capacity C1, three-terminal voltage-stabilizing chip IC 2 is connected with AD conversion module 5 with power supply hole and chip processor AT89S51.
Described AD conversion module 5 adopts A/D converter ADC0809.
Described PWM controls charging circuit 7 and comprises metal-oxide-semiconductor IRF540, and the grid G of metal-oxide-semiconductor IRF540 is connected with the PWM pin of chip processor AT89S51.
Described integrated chip IC1 adopts chip LM2576.
The model of described three-terminal voltage-stabilizing chip IC 2 is W7805.
In order to improve the whole work efficiency of stabilized voltage power supply, when three-terminal voltage-stabilizing chip IC 2 adopts 7805, minimum input voltage due to 7805 is 7.5V, therefore, switch voltage-stabilizing integrated circuit in Fig. 4 have employed adjustable pio chip LM2576-ADJ, in figure, the output voltage Vout of switch voltage-stabilizing integrated circuit and the relation of the first resistance R1 and the second resistance R2 as follows:
Vout=1.23 × 1+ second resistance R2/ first resistance R1
In formula, the span of the first resistance R1 is 1 ~ 5k Ω.When Vout gets 7.5V, the first resistance R1 gets 1k Ω, the second resistance R2 is approximately 5k Ω.
This embodiment for core, utilizes EXP-89S51/52/53 minimum system plate with 51 series monolithics, produces electric energy by vehicle wheel rotation drive electrical generators, after rectifying and voltage-stabilizing, give lithium cell charging.Obtained the voltage at battery two ends by ADC0809 converter sampling, after converting digital signal to, pass to single-chip microcomputer.After the value preset in the value obtained and the program of relatively sampling, judge which stage battery charging is in, and then the pwm signal of different duty is exported by single-chip microcomputer, to obtain the output voltage of different size to regulate the size of charge circuit electric current, thus reach the object of mobile phone charging Based Intelligent Control, also can close to the three stage charging system of lithium battery standard.
This concrete enforcement makes lithium battery obtain electric energy by vehicle wheel rotation, the operating efficiency of stabilized voltage power supply can be improved simultaneously, reduce energy loss, reduce the pyrolytic damage to lithium battery, and external communication voltage fluctuation can be reduced to the interference of lithium battery, the High-frequency Interference scurried into through power supply can be reduced simultaneously.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. the vehicle-mounted energy storage device of electric agricultural car, it is characterized in that, comprise master controller (1), the first system power module (2), vehicle wheel rotation electricity generation module (3), second system power module (4), AD conversion module (5), lithium ion battery (6) and PWM control charging circuit (7), vehicle wheel rotation electricity generation module (3) is connected with master controller (1) by the first system power module (2), master controller (1) controls charging circuit (7) with second system power module (4) with PWM respectively and is connected, control charging circuit (7) to be connected with AD conversion module (5) by lithium ion battery (6), AD conversion module (5) is connected with master controller (1), described master controller (1) adopts chip processor AT89S51, described vehicle wheel rotation electricity generation module (3) adopts permanent magnet generator, described the first system power module (2) comprises power circuit and voltage stabilizing circuit, described voltage stabilizing circuit comprises integrated chip (IC1) and three-terminal voltage-stabilizing chip (IC2), 1 pin of integrated chip (IC1) connects the second electric capacity (C2) to earth terminal, 3 pin of integrated chip (IC1) and 5 pin ground connection, 4 pin of integrated chip (IC1) connect the first resistance (R1) one end and the second resistance (R) one end respectively, second resistance (R2) other end connects the first electric capacity (C1) one end and inductance (L1) one end respectively, 2 pin of another termination integrated chip (IC1) of inductance (L1), diode (D1) positive pole, first electric capacity (C1) other end, first resistance (R1) other end, 3rd electric capacity (C3) one end, 2 pin of three-terminal voltage-stabilizing chip (IC2), the 4th equal ground connection in electric capacity (C4) one end, 3 pin of three-terminal voltage-stabilizing chip (IC2), 4th electric capacity (C4) another termination+5V power end, 1 pin of three-terminal voltage-stabilizing chip (IC2) connects the other end of the 3rd electric capacity (C3) other end and the first electric capacity (C1), three-terminal voltage-stabilizing chip (IC2) is connected with AD conversion module (5) with power supply hole and chip processor AT89S51.
2. the vehicle-mounted energy storage device of electric agricultural car according to claim 1, is characterized in that, described AD conversion module (5) adopts A/D converter ADC0809.
3. the vehicle-mounted energy storage device of electric agricultural car according to claim 1, is characterized in that, described PWM controls charging circuit (7) and comprises metal-oxide-semiconductor IRF540, and the grid G of metal-oxide-semiconductor IRF540 is connected with the PWM pin of chip processor AT89S51.
4. the vehicle-mounted energy storage device of electric agricultural car according to claim 1, is characterized in that, described integrated chip (IC1) adopts chip LM2576.
5. the vehicle-mounted energy storage device of electric agricultural car according to claim 1, is characterized in that, the model of described three-terminal voltage-stabilizing chip (IC2) is W7805.
CN201510096611.5A 2015-03-05 2015-03-05 Vehicle-mounted energy storage device for electric agricultural vehicle Pending CN104682530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510096611.5A CN104682530A (en) 2015-03-05 2015-03-05 Vehicle-mounted energy storage device for electric agricultural vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510096611.5A CN104682530A (en) 2015-03-05 2015-03-05 Vehicle-mounted energy storage device for electric agricultural vehicle

Publications (1)

Publication Number Publication Date
CN104682530A true CN104682530A (en) 2015-06-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106684480A (en) * 2016-11-22 2017-05-17 四川尚航智能科技有限公司 Smart lithium-battery capacitive charging method based on PWM control

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223653A1 (en) * 1999-08-03 2002-07-17 Tokyo R & D Co., Ltd. Electric device and apparatus for charging battery unit, and method for charging and discharging
CN203967975U (en) * 2014-06-13 2014-11-26 长兴超越动力科技有限公司 Lead-acid battery integrated circuit
CN203984239U (en) * 2014-07-08 2014-12-03 上海旭睿电子科技有限公司 MCU power IC
CN104201753A (en) * 2014-09-03 2014-12-10 渤海大学 Single chip microcomputer based bicycle power generation intelligent mobile phone charger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1223653A1 (en) * 1999-08-03 2002-07-17 Tokyo R & D Co., Ltd. Electric device and apparatus for charging battery unit, and method for charging and discharging
CN203967975U (en) * 2014-06-13 2014-11-26 长兴超越动力科技有限公司 Lead-acid battery integrated circuit
CN203984239U (en) * 2014-07-08 2014-12-03 上海旭睿电子科技有限公司 MCU power IC
CN104201753A (en) * 2014-09-03 2014-12-10 渤海大学 Single chip microcomputer based bicycle power generation intelligent mobile phone charger

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106684480A (en) * 2016-11-22 2017-05-17 四川尚航智能科技有限公司 Smart lithium-battery capacitive charging method based on PWM control

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EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
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Application publication date: 20150603