CN102005804A - Charging and discharging system of vehicle-mounted battery and control method thereof - Google Patents
Charging and discharging system of vehicle-mounted battery and control method thereof Download PDFInfo
- Publication number
- CN102005804A CN102005804A CN2009101898143A CN200910189814A CN102005804A CN 102005804 A CN102005804 A CN 102005804A CN 2009101898143 A CN2009101898143 A CN 2009101898143A CN 200910189814 A CN200910189814 A CN 200910189814A CN 102005804 A CN102005804 A CN 102005804A
- Authority
- CN
- China
- Prior art keywords
- vehicle battery
- inverter
- voltage
- discharge
- current
- 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
Links
Images
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a charging and discharging system of a vehicle-mounted battery, comprising a vehicle-mounted battery, a charging and discharging option switch, an inverter, a controller, a signal detection module and a synchronization switch, wherein the synchronization switch is used for connecting an external power supply and the inverter; the charging and discharging option switch is used for selecting to charge or discharge; the inverter is used for converting the alternating current of the external power supply into direct current to be input into the vehicle-mounted battery and is used for converting the direct current of the vehicle-mounted battery into alternating current to be input to the external power supply; the signal detection module is used for detecting signals related to the two ends of the synchronization switch, the charging and discharging option switch and the vehicle-mounted battery; and the controller is used for controlling the synchronization switch and the inverter to work according to a received signal. The invention also provides a control method of a charging and discharging system of a vehicle-mounted battery. In the invention, charging and discharging can be carried out by controlling the charging and discharging power according to the current SOC (stress optical coefficient) of the vehicle-mounted battery; and charging and discharging current is controllable. In addition, by means of the invention, alternating current equal to that of the external power supply can be obtained by inversion during discharging.
Description
Technical field
The present invention relates to a kind of charge-discharge system and control method thereof of on-vehicle battery.
Background technology
The charging method of existing on-vehicle battery generally is that charging current is changeless in whole charging process with the fixed current charging, and promptly its charging process is uncontrollable.And because charging current is smaller, so the charging interval is longer.
Existing on-vehicle battery just is used for being the various electric elements power supplies on the vehicle, thereby as in hybrid vehicle or electric motor car, providing vehicle ' power for the motor power supply by motor.Be direct current in the existing on-vehicle battery can't reverse transformation for external power source with frequency, homophase, with the alternating current of the width of cloth.
Summary of the invention
The present invention's charging current when overcoming existing charging on-vehicle battery is uncontrollable and can not inversion be the shortcoming of external power source, provides a kind of charging current controlled and can inversion be the on-vehicle battery charge-discharge system and the control method thereof of external power source.
One aspect of the present invention provides a kind of charge-discharge system of on-vehicle battery, and comprise on-vehicle battery, discharge and recharge selector switch, inverter, controller, signal detection module and the switch that is incorporated into the power networks,
The described switch that is incorporated into the power networks is used to connect external power source and inverter;
The described selector switch that discharges and recharges is used to select charge or discharge;
Described inverter is used for alternating current with external power source and converts direct current to and be input to on-vehicle battery, and is used for direct current with on-vehicle battery and converts alternating current to and be input to external power source;
Described signal detection module be used to detect be incorporated into the power networks switch two ends, discharge and recharge the coherent signal of selector switch and on-vehicle battery and these signals sent to controller;
Described controller is used for according to the signal controlling described be incorporated into the power networks switch and the described inverter work that receive.
The present invention also provides a kind of control method of charge-discharge system of on-vehicle battery on the other hand, and wherein said charge-discharge system is above-mentioned charge-discharge system, and described control method may further comprise the steps:
(1) judges whether to satisfy the condition that discharges and recharges;
(2) if satisfy the condition that discharges and recharges, then select to discharge and recharge selector switch and discharge and recharge;
(3) judge whether the voltage that the inverter inversion goes out is consistent with the voltage of external power source;
When (4) voltage that goes out when the inverter inversion was consistent with the voltage of external power source, the switch that is incorporated into the power networks closed;
(5) according to the SOC of on-vehicle battery, discharge and recharge power by control and discharge and recharge.
The charge-discharge system of a kind of on-vehicle battery of the present invention and control method thereof, can discharge and recharge power by control according to the current SOC of on-vehicle battery discharges and recharges, charging and discharging currents is controlled in charge and discharge process, and the present invention can inversion be the alternating current that is equal to external power source when discharge.
Description of drawings
Fig. 1 is a kind of circuit diagram of execution mode of the charge-discharge system of on-vehicle battery of the present invention;
Fig. 2 is a kind of structural representation of execution mode of the charge-discharge system of on-vehicle battery of the present invention;
Fig. 3 is a kind of flow chart of execution mode of the control method of on-vehicle battery charge-discharge system of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the present invention are elaborated.
According to one embodiment of the present invention, as depicted in figs. 1 and 2, a kind of charge-discharge system of on-vehicle battery comprises on-vehicle battery, discharges and recharges selector switch, inverter, controller, signal detection module and the switch that is incorporated into the power networks,
The switch that is incorporated into the power networks is used to connect external power source and inverter;
Discharge and recharge selector switch and be used to select charge or discharge;
Inverter is used for alternating current with external power source and converts direct current to and be input to on-vehicle battery, and is used for direct current with on-vehicle battery and converts alternating current to and be input to external power source;
Signal detection module be used to detect be incorporated into the power networks switch two ends, discharge and recharge the coherent signal of selector switch and on-vehicle battery and these signals sent to controller;
Controller is used for according to the signal controlling described be incorporated into the power networks switch and the described inverter work that receive.
External power source can be as required or environment for use and difference, as family expenses 220V power supply or 380V power supply.Be preferably family expenses 220V power supply.
Controller can be selected various suitable data processing units for use, can be DSP (Digital Signal Processing, the Digital Signal Processing) chip of TMS320F2812 as the master chip of controller.
The switch that is incorporated into the power networks can be selected various suitable switches, as electromagnetic switch, electromagnetic relay etc., as long as thereby can close or open connection or the disconnection that realizes circuit according to the signal of controller.The number of switch of being incorporated into the power networks can be according to the difference of external power source and difference when being the electricity consumption of 220V family as external power source is 2, when external power source is 3 during for 380V.
Inverter can comprise various bridge inverter main circuits, as long as can realize that inversion discharges and recharges function, the preferred three phase full bridge inverter circuit that adopts, this three phase full bridge inverter circuit comprises three groups six high-reliability power switching device IGBT (Q1-Q6) and six reverse parallel connection diodes (D1-D6), as shown in Figure 1, every group of switching device IGBT that comprises two series connection, each switching device IGBT is parallel with a backward diode, as first group by Q1 in parallel with D1 constitute go up the brachium pontis switch, Q2 with constitute brachium pontis switch down after D2 is in parallel, on, following brachium pontis switch is in series again, promptly each group of this three phase full bridge inverter circuit all comprises brachium pontis switch and following brachium pontis switch, and the tie point on three groups between brachium pontis switch and the following brachium pontis switch can insert three phase network to be used for introducing ac signal.When external power source is family expenses 220V power supply, can be on three groups select the tie point between brachium pontis switch and the following brachium pontis switch two groups to be connected with family expenses 220V power supply.Controller can produce the turn-on and turn-off that pwm signal is controlled each IGBT.
Further, externally also be connected with between power supply and the inversion module and be used for the LC filter circuit of filtering clutter.According to one embodiment of the present invention, be in series with one group of filter circuit forming by inductance L 1 and capacitor C 1 between the tie point between brachium pontis switch and the following brachium pontis switch on be incorporated into the power networks K switch 1 and first group, be in series with another group filter circuit of forming by inductance L 2 and capacitor C 2 between the tie point between brachium pontis switch and the following brachium pontis switch on be incorporated into the power networks K switch 2 and second group.
Further, signal detection module comprises: the first voltage sensor SU1 that is used to measure outer power voltage U1, be used to measure the first current sensor SI1 of external power source electric current I 1, be used to measure the tertiary voltage transducer SU3 of described inverter inverter voltage U3, be used to measure the 3rd current sensor SI3 of described inverter inverter current I3, be used to measure the second voltage sensor SU2 of on-vehicle battery voltage U 2, be used to measure second current sensor SI2 of on-vehicle battery electric current I 2 and the battery management unit that is used to measure on-vehicle battery carrying capacity SOC.
The first voltage sensor SU1, the second voltage sensor SU2 and tertiary voltage transducer SU3 can be various right sensors, as being the Hall voltage transducer.The first current sensor SI1, the second current sensor SI2 and the 3rd current sensor SI3 can be various right sensors, as being Hall current sensor.
For electric motor car and hybrid vehicle, in order to simplify charging system, preferably, inverter can vehicle-mounted inverter, and need increase by three K switch 3, K4, K5 this moment between vehicle mounted electric machine and inverter.K switch 3, K4, K5 are used for selecting to disconnect or closure according to the control command of controller.Before on-vehicle battery discharged and recharged, K switch 3, K4, K5 were in closure state.Discharge and recharge selector switch CF1 and be used to select charge or discharge, can be arranged on the central control panel of vehicle.The SOC of on-vehicle battery can be recorded by battery management unit.
The present invention also provides a kind of control method of charge-discharge system of on-vehicle battery, and wherein charge-discharge system is above-mentioned charge-discharge system, and this control method may further comprise the steps:
(1) judges whether to satisfy the condition that discharges and recharges;
(2) if satisfy the condition that discharges and recharges, then select to discharge and recharge selector switch and discharge and recharge;
(3) judge whether the voltage that the inverter inversion goes out is consistent with the voltage of external power source;
When (4) voltage that goes out when the inverter inversion was consistent with the voltage of external power source, the switch that is incorporated into the power networks closed;
(5) according to the SOC of on-vehicle battery, discharge and recharge power by control and discharge and recharge;
(6) judging whether on-vehicle battery is finished discharges and recharges.
Wherein step (1) realizes by following steps:
(1-1) judge that the temperature of on-vehicle battery is whether in given temperature range;
If (1-1-1) temperature of on-vehicle battery is in given temperature range, then satisfy the condition that discharges and recharges;
If (1-1-2) temperature of on-vehicle battery exceeds given temperature range, then do not satisfy the condition that discharges and recharges;
(1-2) judge that the SOC of on-vehicle battery is whether in given SOC scope;
If (1-2-1) SOC of on-vehicle battery is in given SOC scope, then satisfy the condition that discharges and recharges;
If (1-2-2) SOC of on-vehicle battery exceeds given SOC scope, then do not satisfy the condition that discharges and recharges.
Step (4) is further comprising the steps of:
When (4-1) voltage of voltage that goes out when the inverter inversion and external power source was inconsistent, the voltage that inversion goes out to inverter was that target is carried out proportional integral and regulated with outside power source voltage.
Step (5) realizes by following steps:
(5-1) determine that according to the current SOC of on-vehicle battery a target that discharges and recharges discharges and recharges power;
(5-2) the current charging/discharging voltage U2 and the charging and discharging currents I2 of measurement on-vehicle battery calculate the current power that discharges and recharges;
(5-3) discharge and recharge power to discharge and recharge power with target be that target is carried out proportional integral and regulated current.
For the safety that discharges and recharges of on-vehicle battery, in step (1), set the temperature range of a safety, this temperature range can be 0-70 degree centigrade.When current battery temperature during in this temperature range, on-vehicle battery just can discharge and recharge, otherwise finishes, and an alert program can be set further, when the temperature of on-vehicle battery exceeds this temperature range, carries out alarm.Serve as the temperature of monitoring on-vehicle battery in the point process at any time in that on-vehicle battery is whole, if current temperature exceeds range of set temperature, then controller disconnects and is incorporated into the power networks switch and carries out alarm.
The safety that a SOC can also be set in step (1) discharges and recharges scope, and as when SOC is 99%, on-vehicle battery cannot charge, and when SOC was 10%, on-vehicle battery cannot discharge.Select wrong as current SOC is that 10% also to select discharge or current SOC be when also selecting to charge at 99% o'clock if current SOC exceeds this SOC scope and discharges and recharges selector switch, can pass through the warning device alarm.This warning device can be various suitable devices such as buzzer.
When satisfying when discharging and recharging condition, if electric motor car or hybrid vehicle, what at first will disconnect motor and on-vehicle battery is connected K switch 3, K4 and K5.Voltage when this moment, inverter can be according to the external power source in when charging or discharge in 1 pair of on-vehicle battery of voltage U of the external power source of simulation carries out inversion, and this inversion is the voltage that goes out by the inversion to inverter with outside power source voltage is that target is carried out proportional integral and regulated and realize.
This proportional integral is regulated specific as follows: because the frequency of external power source is generally 50HZ, so the frequency of the voltage U 3 that goes out of inverter inversion also is 50HZ, and the amplitude of the U3 also amplitude with external power source U1 is consistent, as 220V or 380V.
Adjusting for phase place is achieved in that the controller inside chip can capture the value of voltage trailing edge zero crossing according to the line voltage that samples; Counter to inverter voltage U3 trailing edge zero crossing is set in the program, calculate the inverter voltage zero crossing after, counter O reset, each program is carried out and is all added 1, up to calculating inverter voltage trailing edge zero crossing once more.Be that suppose program is carried out a 1ms, the frequency of external power source is that 50hz-is to be 20ms in its cycle.Program is carried out once, and this counter adds up 1, is added to 20, zero clearing.If current Counter Value is 10,10/20=0.5 that is to say current voltage place in the middle of sine wave so.What this calculated is 0.5, multiply by 360 degree again, and what obtain is exactly 180 degree, and promptly the phase angle of voltage is 180 degree at this moment.Controller makes that by control the phase angle of electric current also is the adjusting that 180 degree can be realized phase place.
The amplitude of the voltage U 3 that goes out when the inverter inversion and the voltage U 1 of external power source, frequency and phase place homogeneous phase think that voltage U 3 is consistent with voltage U 1 simultaneously, the controller control this moment switch closure that is incorporated into the power networks.
This moment, the current SOC of on-vehicle battery that obtains according to detection of controller determined that a target discharges and recharges power, when charging on-vehicle battery, the target charge power be on the occasion of; During the on-vehicle battery discharge, the target discharge power is a negative value.This target discharges and recharges and is an inverse relation between power and the SOC, and promptly along with the increase of SOC, target discharges and recharges power and reduces thereupon, and along with reducing of SOC, target discharges and recharges power and increases thereupon.
The current charging/discharging voltage U2 and the charging and discharging currents I2 that measure on-vehicle battery afterwards calculate the current power that discharges and recharges;
To discharge and recharge power with target be that target is carried out proportional integral and regulated to discharging and recharging power, makes current discharge and recharge power and target to discharge and recharge power consistent.The voltage U 3 that the inverter inversion goes out behind the switch closure is consistent with U1 owing to be incorporated into the power networks, and mainly be that the phase place of the electric current I 3 that goes out by the inversion to inverter and voltage U 3 is carried out the proportional integral adjusting and realized this moment.Controller sent pwm signal according to foregoing and controlled each IGBT conducting or turn-off and can make and current discharge and recharge power and target to discharge and recharge power consistent this moment.
Whether discharge and recharge for finishing, be whether to exceed given SOC scope by more current SOC to realize.
As shown in Figure 3, the concrete course of work of charging on-vehicle battery of the present invention system is as follows:
Charging process: at first SOC and the battery temperature according to the on-vehicle battery that detects judges whether to satisfy charge condition, when satisfying charge condition, discharge and recharge selector switch and select charging, measure external power source voltage U 1 and this moment the inverter voltage U that inversion goes out according to U1 3, judge whether U3 is consistent with U1, carrying out proportional integral when inconsistent regulates, when U3 is consistent with U1, the switch that is incorporated into the power networks closes, controller provides the current target charge power according to current SOC, controller calculates current charge power according to detected on-vehicle battery current voltage U 2 and current charging current I2, controls the turn-on and turn-off of each IGBT and makes that actual charge power and current target charge power are consistent thereby controller sends pwm signal according to current target charge power and actual charge power.Judge afterwards whether current SOC reaches given SOC scope, promptly control the switch that is incorporated into the power networks and disconnect and finish charging if current SOC reaches the given SOC charging upper limit.
Discharge process: at first SOC and the battery temperature according to the on-vehicle battery that detects judges whether to satisfy discharging condition, when satisfying discharging condition, discharge and recharge selector switch and select discharge, according to the voltage U 1 of the external power source of simulation and this moment the inverter voltage U that inversion goes out according to U1 3, judge whether U3 is consistent with U1, carrying out proportional integral when inconsistent regulates, when U3 is consistent with U1, the switch that is incorporated into the power networks closes, controller provides the current target discharge power according to current SOC, controller calculates current discharge power according to detected on-vehicle battery current voltage U 2 and current discharging current I2, controls the turn-on and turn-off of each IGBT and makes current discharge power and current target discharge power consistent thereby controller sends pwm signal according to current target discharge power and actual discharge power.Judge afterwards whether current SOC reaches given SOC scope, promptly control the switch that is incorporated into the power networks and disconnect and finish discharge if current SOC reaches given SOC discharge lower limit.
The charge-discharge system of on-vehicle battery of the present invention and control method thereof, can determine that a target discharges and recharges power according to the SOC of current on-vehicle battery, make and actual to discharge and recharge power and thereby target discharges and recharges the consistent purpose that reaches the control charging and discharging currents of power by controlling, therefore can effectively shorten the time of discharging and recharging.
Because charge-discharge system of the present invention is provided with one and discharges and recharges selector switch, by selecting charge or discharge can realize the charge or discharge of on-vehicle battery, so the present invention can also select discharge according to the needs of external environment condition except realizing charging, the dc inverter that is about to on-vehicle battery is the alternating current that is equal to external power source, thereby can better meet actual needs, enlarge the scope of application of on-vehicle battery.
Claims (10)
1. the charge-discharge system of an on-vehicle battery is characterized in that, this system comprises on-vehicle battery, discharges and recharges selector switch, inverter, controller, signal detection module and the switch that is incorporated into the power networks,
The described switch that is incorporated into the power networks is used to connect external power source and inverter;
The described selector switch that discharges and recharges is used to select charge or discharge;
Described inverter is used for alternating current with external power source and converts direct current to and be input to on-vehicle battery, and is used for direct current with on-vehicle battery and converts alternating current to and be input to external power source;
Described signal detection module be used to detect be incorporated into the power networks switch two ends, discharge and recharge the coherent signal of selector switch and on-vehicle battery and these signals sent to controller;
Described controller is used for according to the signal controlling described be incorporated into the power networks switch and the described inverter work that receive.
2. charge-discharge system according to claim 1 is characterized in that, described system also comprises and is connected the filter circuit that is incorporated into the power networks between switch and the inverter.
3. charge-discharge system according to claim 2, it is characterized in that, described signal detection module comprises: first voltage sensor that is used to measure outer power voltage U1, be used to measure first current sensor of external power source electric current I 1, be used to measure the tertiary voltage transducer of described inverter inverter voltage U3, be used to measure the 3rd current sensor of described inverter inverter current I3, be used to measure second voltage sensor of on-vehicle battery voltage U 2, be used to measure second current sensor of on-vehicle battery electric current I 2 and the battery management unit that is used to measure on-vehicle battery carrying capacity SOC.
4. charge-discharge system according to claim 3 is characterized in that, described inverter is the inverter on electric motor car or the hybrid vehicle.
5. charge-discharge system according to claim 4 is characterized in that, the master chip of described controller is the dsp chip of TMS320F2812.
6. the control method of the charge-discharge system of an on-vehicle battery, wherein said charge-discharge system is any described charge-discharge system among the claim 1-5, it is characterized in that described control method may further comprise the steps:
1) judges whether to satisfy the condition that discharges and recharges;
2) if satisfy the condition that discharges and recharges, then select to discharge and recharge selector switch and discharge and recharge;
3) judge whether the voltage that the inverter inversion goes out is consistent with the voltage of external power source;
When 4) voltage that goes out when the inverter inversion was consistent with the voltage of external power source, the switch that is incorporated into the power networks closed;
5) according to the SOC of on-vehicle battery, discharge and recharge power by control and discharge and recharge.
7. control method according to claim 6 is characterized in that, described control method is further comprising the steps of:
6) judging whether on-vehicle battery is finished discharges and recharges.
8. control method according to claim 7 is characterized in that, described step 1) realizes by following steps:
1-1) judge that the temperature of on-vehicle battery is whether in given temperature range;
If 1-1-1) temperature of on-vehicle battery is in given temperature range, then satisfy the condition that discharges and recharges;
If 1-1-2) temperature of on-vehicle battery exceeds given temperature range, then do not satisfy the condition that discharges and recharges;
1-2) judge that the SOC of on-vehicle battery is whether in given SOC scope;
If 1-2-1) SOC of on-vehicle battery is in given SOC scope, then satisfy the condition that discharges and recharges;
If 1-2-2) SOC of on-vehicle battery exceeds given SOC scope, then do not satisfy the condition that discharges and recharges.
9. control method according to claim 8 is characterized in that, described step 4) is further comprising the steps of:
When 4-1) voltage of voltage that goes out when the inverter inversion and external power source was inconsistent, the voltage that inversion goes out to inverter was that target is carried out proportional integral and regulated with outside power source voltage.
10. the control method of stating according to claim 9 is characterized in that, described step 5) realizes by following steps:
5-1) determine that according to the current SOC of on-vehicle battery a target that discharges and recharges discharges and recharges power;
5-2) the current charging/discharging voltage and the charging and discharging currents of measurement on-vehicle battery calculate the current power that discharges and recharges;
5-3) discharge and recharge power to discharge and recharge power with target be that target is carried out proportional integral and regulated current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101898143A CN102005804A (en) | 2009-08-31 | 2009-08-31 | Charging and discharging system of vehicle-mounted battery and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101898143A CN102005804A (en) | 2009-08-31 | 2009-08-31 | Charging and discharging system of vehicle-mounted battery and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102005804A true CN102005804A (en) | 2011-04-06 |
Family
ID=43812948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101898143A Pending CN102005804A (en) | 2009-08-31 | 2009-08-31 | Charging and discharging system of vehicle-mounted battery and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102005804A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249629A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle, power system of the same, and charging method of said power system |
| US9862287B2 (en) | 2013-06-28 | 2018-01-09 | Byd Company Limited | Power system for electric vehicle, electric vehicle and motor controller |
| CN107666171A (en) * | 2016-07-28 | 2018-02-06 | 比亚迪股份有限公司 | Electric automobile, the onboard charger of electric automobile and its control method |
| CN111162585A (en) * | 2020-01-20 | 2020-05-15 | 重庆国翰能源发展有限公司 | Charging pile capable of compensating charging power and charging method |
| CN112124132A (en) * | 2020-09-27 | 2020-12-25 | 南京能瑞电力科技有限公司 | Non-vehicle charging and discharging system in grid-connected mode and isolated grid mode and charging pile |
| CN114400390A (en) * | 2022-02-16 | 2022-04-26 | 上海汽车集团股份有限公司 | Vehicle low-temperature heating method, device and system and storage medium |
-
2009
- 2009-08-31 CN CN2009101898143A patent/CN102005804A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249629A (en) * | 2013-06-28 | 2014-12-31 | 比亚迪股份有限公司 | Electric vehicle, power system of the same, and charging method of said power system |
| US9862287B2 (en) | 2013-06-28 | 2018-01-09 | Byd Company Limited | Power system for electric vehicle, electric vehicle and motor controller |
| US10166882B2 (en) | 2013-06-28 | 2019-01-01 | Byd Company Limited | Power system for electric vehicle |
| CN107666171A (en) * | 2016-07-28 | 2018-02-06 | 比亚迪股份有限公司 | Electric automobile, the onboard charger of electric automobile and its control method |
| CN111162585A (en) * | 2020-01-20 | 2020-05-15 | 重庆国翰能源发展有限公司 | Charging pile capable of compensating charging power and charging method |
| CN112124132A (en) * | 2020-09-27 | 2020-12-25 | 南京能瑞电力科技有限公司 | Non-vehicle charging and discharging system in grid-connected mode and isolated grid mode and charging pile |
| CN112124132B (en) * | 2020-09-27 | 2022-09-13 | 南京能瑞电力科技有限公司 | Non-vehicle charging and discharging system in grid-connected mode and isolated grid mode and charging pile |
| CN114400390A (en) * | 2022-02-16 | 2022-04-26 | 上海汽车集团股份有限公司 | Vehicle low-temperature heating method, device and system and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201594757U (en) | Vehicular charging device | |
| CN102055226A (en) | Charge and discharge device for on-board battery and control method of charge and discharge device | |
| CN102005804A (en) | Charging and discharging system of vehicle-mounted battery and control method thereof | |
| CN106443358B (en) | Overhead power distribution network traveling wave positioning system based on signal injection device | |
| CN103630782B (en) | A kind of island detection method of three-phase grid-connected inverter and device | |
| CN101762800A (en) | Battery managing system testing platform | |
| CN106160143A (en) | The vehicle-mounted charging device of electric automobile and electric automobile | |
| CN101699702A (en) | Multi-mode working UPS | |
| CN104079052A (en) | Direct-current charging system of electric automobile | |
| CN110249519A (en) | Power inverter and shorted to earth position judging method | |
| CN203967811U (en) | Electric automobile DC charging system | |
| CN106253358A (en) | A kind of uninterrupted vehicle-mounted comprehensive power electric power system of two-output impulse generator | |
| CN102957196A (en) | Inverter and charger integrated modularization H-bridge cascade stage UPS (uninterrupted power supply) single/three-phase system | |
| CN105301478B (en) | A kind of detection means and detection method of 3.7V batteries list string protection board | |
| CN104242405A (en) | Quick charging system and method for power batteries of electric cars | |
| Zhang et al. | The charging control and efficiency optimization strategy for WPT system based on secondary side controllable rectifier | |
| CN105162370A (en) | Switched eluctance motor controller for hybrid electric vehicle, and control method thereof | |
| CN204103556U (en) | A kind of electric automobile power battery quick charging system | |
| CN104422825A (en) | Method and method for detecting insulation resistance against ground of DC power supply | |
| CN104638966B (en) | Electric automobile inverter active discharge control system and controller | |
| CN105391047B (en) | A kind of vehicular DC micro power grid system and control method | |
| CN101771282A (en) | Charger and charging method | |
| CN205986191U (en) | Incessant on -vehicle mains operated system of synthesizing of dual input dual output | |
| CN107437810A (en) | A kind of charging station stake Power Quality Comprehensive Treatment Device | |
| CN102866290A (en) | Detecting circuit and detecting method for measuring current of motor winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110406 |