CN201355771Y - Intelligent charger of electric automobile batteries - Google Patents
Intelligent charger of electric automobile batteries Download PDFInfo
- Publication number
- CN201355771Y CN201355771Y CNU2009200631107U CN200920063110U CN201355771Y CN 201355771 Y CN201355771 Y CN 201355771Y CN U2009200631107 U CNU2009200631107 U CN U2009200631107U CN 200920063110 U CN200920063110 U CN 200920063110U CN 201355771 Y CN201355771 Y CN 201355771Y
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- Prior art keywords
- circuit
- electric automobile
- pin
- links
- battery
- 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.)
- Expired - Fee Related
Links
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000010363 phase shift Effects 0.000 claims description 15
- 239000002253 acid Substances 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 24
- 229910018095 Ni-MH Inorganic materials 0.000 description 8
- 229910018477 Ni—MH Inorganic materials 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- ZVKAMDSUUSMZES-NZQWGLPYSA-N OS II Natural products CC(=O)N[C@H]1[C@H](OC[C@@H](O)[C@@H](O)[C@@H](O)CO)O[C@H](CO)[C@H](O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H]1O[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@H]3O ZVKAMDSUUSMZES-NZQWGLPYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Images
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
An intelligent charger of electric automobile batteries comprises a keyboard, wherein the keyboard is connected with an input interface of a singlechip, the singlechip is connected with a display, a pulse phase-shifting circuit, a current mutual inductor, a voltage sensor, a current sensor and a host computer interface, a rectification circuit is connected with the current mutual inductor, the current mutual inductor is connected with a power switching circuit, the power switching circuit is connected with a high frequency transformer, the high frequency transformer is connected with a rectification filtering circuit, and the pulse phase-shifting circuit is connected with a pulse driving circuit. The intelligent charger has the ability of identifying a ni-mh battery and a lead acid storage battery, and has the ability of automatically selecting a corresponding control module to charge the ni-mh battery and the lead acid storage battery, can monitor the charging parameters of an electric automobile in real time, and then can realize the rapid, stable and effective charging control to the storage battery of the electric automobile, and is beneficial to prolong the service life of an automobile power battery.
Description
Technical field
The utility model relates to a kind of charging batteries of electric automobile device, especially relate to and a kind ofly have identification Ni-MH battery and lead acid accumulator, and select corresponding control module described Ni-MH battery or lead acid accumulator to be carried out the batteries of electric automobile intelligent charger of quick charge automatically.
Technical background
Battery is the crucial power output unit of electric automobile, in several batteries commonly used such as lead acid accumulator, nickel-cadmium cell, Ni-MH battery, lithium battery and fuel cell, because have energy than big, in light weight, good temp characteristic, pollute low, characteristics such as memory effect is not obvious, lead acid accumulator, Ni-MH battery use very general in electric automobile.Yet often because charging method incorrect, charging is unstable, causes the life-span of the actual life of rechargeable battery well below regulation.That is to say, a lot of batteries do not damaged but be recharged fill bad.As seen, the quality of charger performance has a significant impact the tool in useful life of battery.
The utility model content
The purpose of this utility model is to overcome existing automobile batteries charger can not discern different battery types, charging instability, the defective that the actual life of rechargeable battery is low, provide a kind of and have identification Ni-MH battery and lead acid accumulator, and can select corresponding control module described Ni-MH battery or lead acid accumulator to be carried out the batteries of electric automobile intelligent charger of quick charge automatically.
The purpose of this utility model is achieved through the following technical solutions: it comprises keyboard, described keyboard links to each other with the single-chip microcomputer input interface, described single-chip microcomputer links to each other with display, pulse phase-shift circuit, current transformer, voltage sensor, current sensor, host computer interface, rectification circuit links to each other with current transformer, described current transformer links to each other with power switch circuit, described power switch circuit links to each other with high frequency transformer, described high frequency transformer links to each other with current rectifying and wave filtering circuit, and described pulse phase-shift circuit links to each other with pulse driving circuit.
The preferred C8051F040 single-chip microcomputer of described single-chip microcomputer.
The preferred IGBT pipe of power switch.
The preferred UCC3895 chip of described pulse phase-shift circuit.
The preferred UCC3895 chip of described pulse phase-shift circuit, the preferred IR2110 chip of pulse driving circuit
The preferred LCD of described display.
During use, the automobile power cell of current rectifying and wave filtering circuit with the need charging linked to each other.
The utility model, charger circuit mainly comprise main charging circuit and single chip machine controlling circuit two parts, owing to adopt intelligent charge, according to different batteries, each stage charging voltage is all different with charging current.During charging, single-chip microcomputer detects charging current, charging voltage, the battery temperature of rechargeable battery automatically, prevents circuit overvoltage and overcurrent, and battery temperature is too high, can also determine whether switching to the next charging stage by detecting the cell voltage current value.Simultaneously, provide the charging voltage value or the current value in each stage by single-chip microcomputer, compare with the corresponding voltage current value of sampling gained, change the ON time that the PWM value changes power tube by pulse phase shift chip UCC3895, reach the purpose that obtains the stable output valve of difference in different battery different phases.
Owing to the utlity model has identification Ni-MH battery and lead acid accumulator, and the ability that can select corresponding control module that described Ni-MH battery or lead acid accumulator are charged automatically, can monitor the charge parameter of electric automobile in real time, thereby can realize accumulator of electric car is carried out fast, stablizes, effectively charges and control, help prolonging greatly the useful life of automobile power cell.
Description of drawings
Fig. 1 is the overall structure block diagram of the utility model one embodiment;
Fig. 2 is PWM master's charging circuit figure embodiment illustrated in fig. 1;
Fig. 3 is single-chip microcomputer pulse-width modulation circuit figure embodiment illustrated in fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
With reference to Fig. 1, present embodiment comprises keyboard 8, and keyboard 8 links to each other with the I/O mouth of single-chip microcomputer C8051F040 10, by keyboard 8 charge parameter can be set; Single-chip microcomputer C8051F040 10 links to each other with LCD 9, and single-chip microcomputer C8051F040 10 control LCD 9 show charging current, charging voltage, battery temperature, charging interval and relevant charging stage and state; Inside PWM (pulse width modulation) circuit of single-chip microcomputer C8051F040 10 links to each other with pulse phase shifting control chip UCC389 57, single-chip microcomputer C8051F040 10 changes the ON time that pulse duration changes power tube by pulse phase shifting control chip UCC3895 7, reaches the purpose that obtains different stable output current magnitudes of voltage in different battery different phases; Pulse phase shifting control chip UCC3895 7 links to each other with pulsed drive chip I R2110 6, increases pwm pulse information-driven ability; The A/D circuit input end of single-chip microcomputer C8051F040 10 links to each other with current transformer 2 outputs, and 2 pairs of charging current sizes of current transformer detect, and the basis for estimation of rechargeable battery size of current is provided for single-chip microcomputer C8051F040; The A/D circuit input end of single-chip microcomputer C8051F040 10 and 11 two-way connections of voltage sensor provide the basis for estimation of charged battery voltage size for single-chip microcomputer C8051F040 10; I2C part and 12 two-way connections of temperature sensor of single-chip microcomputer C8051F040 10 are for single-chip microcomputer C8051F040 10 provides rechargeable battery temperature basis for estimation just; The serial port part of single-chip microcomputer C8051F040 10 links to each other with host computer 13, finishes and detects data, charging data upload; 220V rectification circuit 1 output links to each other with current transformer 2 inputs, finishes charging current and detects; Current transformer 2 outputs link to each other with power switch circuit 3 inputs, for power switch circuit 3 provides supply voltage; Power switch circuit 3 outputs link to each other with high frequency transformer 4 inputs, and power switch circuit 3 cooperates with high frequency transformer 4, and direct voltage is become the variable high frequency voltage of pulse duration; High frequency transformer 4 outputs link to each other with current rectifying and wave filtering circuit 5 inputs, and the variable high frequency voltage that high frequency transformer is presented obtains required controlled direct voltage through current rectifying and wave filtering circuit.
During use, current rectifying and wave filtering circuit 5 outputs are linked to each other with automobile power cell 14, for automobile different dynamic battery, different charging stages provide charging current and charging voltage.
With reference to Fig. 2,300 volts of above DC power supply anodes current transformer T1 that flows through, for main charging circuit provides power supply, one is received the drain electrode of power switch IGBTQ1 pipe, power switch IGBTQ3 pipe, it two receives capacitor C 1, capacitor C 2,5 one pins of capacitor C, its three negative terminal that meets diode D1, diode D2, diode D5, it four is to link with the elementary pin of transformer T2; 300 volts of above DC power supply negative terminal one are received the source electrode of power switch IGBTQ2 pipe, power switch IGBTQ4 pipe, its two pin receiving capacitor C 3, capacitor C 4, capacitor C 6, and it three is anodes of receiving D3, D4, D6; The leakage of the source electrode of power switch IGBTQ1 pipe and power switch IGBTQ2 pipe links, and receives pin of capacitor C 1, capacitor C 3 and diode D1 anode, diode D3 negative terminal; The drain electrode of the source electrode of power switch IGBTQ3 pipe and power switch IGBTQ4 pipe links, and receives pin of capacitor C 2, capacitor C 4 and diode D2 anode, diode D4 negative terminal, and links with inductance L 1, inductance L 2 one ends; A pin of the other end of inductance L 1 and capacitor C 5, capacitor C 6 links, receive diode D5 just, diode D6 negative terminal; Another elementary pin of the other end of inductance L 2 and transformer T2 links; Pin of transformer secondary output and the anode of diode D7 link; Another pin of transformer secondary output and the anode of diode D8 link; The centre cap of transformer secondary output connects three pin of rechargeable battery negative terminal and capacitor C 7; The negative terminal of diode D7, diode D8 links and receives a pin of inductance L 3, and another pin of inductance L 3 connects another pin and the rechargeable battery anode of capacitor C 7.
With reference to Fig. 3, (1) pulse phase shift chip U1 pin annexation of being correlated with: be added to 9,10 pin of pulse phase shift chip UCC3895 by the control pwm pulse of single-chip microcomputer output, finish to the battery charge control action; The external potentiometer RW2 of 8 pin of pulse phase shift chip U1,7 pin external capacitor C9 are connected to 3 pin simultaneously; 5 pin ground connection; 4 pin connect capacitor C 8, and link with the pin of potentiometer RW1; 1 pin and 2 pin link; 11 pin ground connection; 12 of 13 pin and pulsed drive chip U3 links; 9 pin of 14 pin and pulsed drive chip U3 link; 15 pin connect power Vcc; 16 pin external capacitor C11; 12 pin of 17 pin and pulsed drive chip U2 link; 9 pin of 18 pin and pulsed drive chip U2 link; 19 pin external capacitor C10; The centre cap of the external potentiometer RW1 of 20 pin; (2) the relevant pin annexation of pulsed drive chip U2: 1 pin connecting resistance R2 is by the power switch IGBT pipe Q2 grid in the resistance R 2 control accompanying drawings 2; 2 pin connect capacitor C 15, and receive the source electrode of power switch IGBT pipe Q2; 3 pin connect power Vcc; 5 pin connect a pin of capacitor C 14 and receive the source electrode of power switch IGBT pipe Q1 in the accompanying drawing 2; The another one pin of 6 pin external capacitor C14, and receive the negative terminal of diode D9, the positive termination power of diode D9; 7 pin connecting resistance R1, and pass through the grid that resistance R 1 is controlled the power switch IGBT pipe Q1 in the accompanying drawing 2; 9 pin connect power Vcc; 18 pin of 10 pin and pulse phase shift chip U1 link; 11 pin ground connection; 17 of 12 pin and pulse phase shift chip U1 links; 13 pin ground connection.(2) the relevant pin annexation of pulsed drive chip U3: 1 pin connecting resistance R4 is by the power switch IGBT pipe Q4 grid in the R4 control accompanying drawing 2; 2 pin connect capacitor C 17, and receive the source electrode of the power switch IGBT pipe Q4 in the accompanying drawing 2; 3 pin connect power Vcc; 5 pin connect a pin of capacitor C 16 and receive the source electrode of power switch IGBT pipe Q3 in the accompanying drawing 2; The another one pin of 6 pin external capacitor C16, and receive the negative terminal of diode D10, the positive termination power of diode D10; 7 pin connecting resistance R3, and pass through the grid that resistance R 3 is controlled the power switch IGBT pipe Q3 in the accompanying drawings 2; 9 pin connect power Vcc; 14 pin of 10 pin and pulse phase shift chip U1 link; 11 pin ground connection, 17 of 12 pin and pulse phase shift chip U1 links; 13 pin ground connection.
The peak power output of present embodiment Switching Power Supply is 2.6KW, and the interchange input range is 170V-270V.
The core of present embodiment is the control core based on the single-chip microcomputer C8051F040 of Cygnal company, and functions such as the distinctive analog module of C8051F040, high-precision A/D conversion, I2C bus interface and high speed PWM are applied in the charging control.This charger embeds μ C/OS-II real time operating system and adopts the main circuit topology of phase shifting full bridge soft switch, has higher efficient, and electric current, voltage stress are little, and working stability is reliable.
Claims (6)
1, a kind of batteries of electric automobile intelligent charger, it is characterized in that, comprise keyboard, described keyboard links to each other with the single-chip microcomputer input interface, described single-chip microcomputer links to each other with display, pulse phase-shift circuit, current transformer, voltage sensor, current sensor, host computer interface, rectification circuit links to each other with current transformer, described current transformer links to each other with power switch circuit, described power switch circuit links to each other with high frequency transformer, described high frequency transformer links to each other with current rectifying and wave filtering circuit, and described pulse phase-shift circuit links to each other with pulse driving circuit.
2, batteries of electric automobile intelligent charger according to claim 1 is characterized in that, described single-chip microcomputer is the C8051F040 single-chip microcomputer.
3, batteries of electric automobile intelligent charger according to claim 1 is characterized in that, power switch is the IGBT pipe.
4, according to claim 1 or 2 or 3 described batteries of electric automobile intelligent chargers,, it is characterized in that described pulse phase-shift circuit is the UCC3895 chip, pulse driving circuit is the IR2110 chip.
5, according to claim 1 or 2 or 3 described batteries of electric automobile intelligent chargers, it is characterized in that described display is a LCD.
6, batteries of electric automobile intelligent charger according to claim 4 is characterized in that, described display is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200631107U CN201355771Y (en) | 2009-02-04 | 2009-02-04 | Intelligent charger of electric automobile batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200631107U CN201355771Y (en) | 2009-02-04 | 2009-02-04 | Intelligent charger of electric automobile batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355771Y true CN201355771Y (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200631107U Expired - Fee Related CN201355771Y (en) | 2009-02-04 | 2009-02-04 | Intelligent charger of electric automobile batteries |
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| CN (1) | CN201355771Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102185367A (en) * | 2011-04-19 | 2011-09-14 | 成都秦川科技发展有限公司 | Pulse width modulation (PWM) rectification, variable-voltage and variable-current pulse charging system of electric vehicle |
| CN102231559A (en) * | 2011-07-08 | 2011-11-02 | 沈翠凤 | Self-adaptive rapid charging system for electric vehicle |
| CN102416879A (en) * | 2010-09-28 | 2012-04-18 | 三菱电机株式会社 | Charging display device |
| CN102611180A (en) * | 2012-04-16 | 2012-07-25 | 唐山电动车研发与检测有限公司 | Battery Intelligent Charging System |
| CN104218643A (en) * | 2014-09-01 | 2014-12-17 | 深圳市金铂乐电子科技有限公司 | Storage battery management system of electric vehicle |
| CN106059023A (en) * | 2016-07-15 | 2016-10-26 | 福州大学 | Electric vehicle charging auxiliary system and application thereof |
| CN106385092A (en) * | 2016-10-31 | 2017-02-08 | 江苏华航威泰机器人科技有限公司 | Robot intelligent charging system |
| WO2019172024A1 (en) * | 2018-03-06 | 2019-09-12 | トヨタ自動車株式会社 | Battery type identifying device, and method for identifying battery type |
-
2009
- 2009-02-04 CN CNU2009200631107U patent/CN201355771Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416879A (en) * | 2010-09-28 | 2012-04-18 | 三菱电机株式会社 | Charging display device |
| CN102416879B (en) * | 2010-09-28 | 2015-06-24 | 三菱电机株式会社 | Charging display device |
| CN102185367A (en) * | 2011-04-19 | 2011-09-14 | 成都秦川科技发展有限公司 | Pulse width modulation (PWM) rectification, variable-voltage and variable-current pulse charging system of electric vehicle |
| CN102231559A (en) * | 2011-07-08 | 2011-11-02 | 沈翠凤 | Self-adaptive rapid charging system for electric vehicle |
| CN102231559B (en) * | 2011-07-08 | 2014-04-09 | 沈翠凤 | Self-adaptive rapid charging system for electric vehicle |
| CN102611180A (en) * | 2012-04-16 | 2012-07-25 | 唐山电动车研发与检测有限公司 | Battery Intelligent Charging System |
| CN104218643A (en) * | 2014-09-01 | 2014-12-17 | 深圳市金铂乐电子科技有限公司 | Storage battery management system of electric vehicle |
| CN106059023A (en) * | 2016-07-15 | 2016-10-26 | 福州大学 | Electric vehicle charging auxiliary system and application thereof |
| CN106059023B (en) * | 2016-07-15 | 2018-12-07 | 福州大学 | A kind of electric vehicle charging auxiliary system and its application |
| CN106385092A (en) * | 2016-10-31 | 2017-02-08 | 江苏华航威泰机器人科技有限公司 | Robot intelligent charging system |
| WO2019172024A1 (en) * | 2018-03-06 | 2019-09-12 | トヨタ自動車株式会社 | Battery type identifying device, and method for identifying battery type |
| JPWO2019172024A1 (en) * | 2018-03-06 | 2020-07-02 | トヨタ自動車株式会社 | Battery type determination device and battery type determination method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091202 Termination date: 20110204 |