CN105305809A - DC-DC converter and output compensation method thereof and electric automobile having same - Google Patents
DC-DC converter and output compensation method thereof and electric automobile having same Download PDFInfo
- Publication number
- CN105305809A CN105305809A CN201410370950.3A CN201410370950A CN105305809A CN 105305809 A CN105305809 A CN 105305809A CN 201410370950 A CN201410370950 A CN 201410370950A CN 105305809 A CN105305809 A CN 105305809A
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- output
- converter
- module
- 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.)
- Granted
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention provides a DC-DC converter which comprises a power conversion module, wherein the low-voltage output end of the power conversion module is connected with a battery, and the power conversion module is used for converting an input first voltage direct current into a second voltage direct current, and outputting the second voltage direct current to the battery for charging; a temperature sampling module, wherein the temperature sampling module is used for sampling environment temperature; a first voltage sampling module, wherein the first voltage sampling module is used for sampling the charging voltage of the battery; a control module, wherein the control module is used for controlling the power conversion module to adjust the second voltage according to the charging voltage when the environment temperature is lower than the preset temperature so as to carry out voltage compensation on the charging voltage; and a low-voltage power supply module, wherein the low-voltage power supply module is connected with the battery and the control module, and is used for supplying power for the control module. The DC-DC converter not only can judge whether the battery is fully charged, but also can improve charging efficiency of the battery under high/low temperature environment. The invention also provides an electric automobile and an output compensation method of the DC-DC converter.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly the output compensation method of a kind of DC-DC converter, a kind of DC-DC converter and a kind of electric automobile with this DC-DC converter.
Background technology
DC-DC converter is the indispensable vitals of electric automobile, and it exports general lead-acid battery in parallel, to lead-acid battery charging, to provide the power supply of car load low pressure components.And lead-acid battery is when low temperature, internal resistance increases, and its charge efficiency can reduce greatly.
In correlation technique, normally when low temperature, the output voltage of direct raising DC-DC converter charges to lead-acid battery, but directly cannot collect the voltage at lead-acid battery two ends, thus cannot judge whether lead-acid battery is full of electricity, and the both end voltage of lead-acid battery is widely different under difference charging operating mode, thus the charge efficiency of lead-acid battery under having a strong impact on low temperature environment.Therefore, the DC-DC converter in correlation technique needs to improve.
Summary of the invention
The present invention is intended to solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention be to propose a kind of can the DC-DC converter of sampling battery both end voltage, can not only judge whether battery is full of electricity, the charge efficiency of battery under low temperature environment can also be improved.
Another object of the present invention is to propose a kind of electric automobile.Another object of the present invention is the output compensation method proposing a kind of DC-DC converter.
For achieving the above object, a kind of DC-DC converter that one aspect of the present invention embodiment proposes, comprise: power conversion modules, described power conversion modules comprises high voltage input terminal and low-voltage output, described low-voltage output is connected with battery, described power conversion modules is used for the direct current direct current of the first voltage inputted by described high voltage input terminal being converted to the second voltage, and charged to give described battery by the direct current of described second voltage of described low-voltage output output, wherein, described first voltage is greater than described second voltage; Temperature sampling module, described temperature sampling module is for ambient temperature of sampling; First voltage sample module, described first voltage sample module is for the charging voltage of described battery of sampling; Control module, described control module is connected with described first voltage sample module respectively with the control end of described power conversion modules, described temperature sampling module, described power conversion modules is controlled to regulate described second voltage, to carry out voltage compensation to described charging voltage lower than control module described during preset temperature according to described charging voltage in described ambient temperature; With low-voltage power supply module, described low-voltage power supply module is connected with control module with described battery respectively, and described low-voltage power supply module is used for powering to described control module.
According to the DC-DC converter of the embodiment of the present invention, by temperature sampling module samples ambient temperature, and pass through charging voltage and the battery both end voltage of the first voltage sample module samples battery, then under the low temperature condition of ambient temperature lower than preset temperature such as less than-20 DEG C, control module is by controlling the output voltage of the second voltage and the DC-DC converter regulating low-voltage output to export to power conversion modules, to carry out voltage compensation to charging voltage, battery both end voltage is made to be stabilized in fixed value, thus the charge efficiency of battery under low temperature environment can be improved.In addition, can also judge whether battery is full of electricity by the charging voltage of sampling battery, ensure that cell safety reliably charges.
According to one embodiment of present invention, be connected by anode wiring harness between described low-voltage output with described battery.
According to one embodiment of present invention, described DC-DC converter also comprises: current sample module, described current sample module is connected with described control module with described low-voltage output respectively, and described current sample module is for the output current of described DC-DC converter of sampling; Second voltage sample module, described second voltage sample module is connected with described control module with described low-voltage output respectively, and described second voltage sample module is for described second voltage of sampling; Wherein, whether described control module calculates described anode wiring harness resistance according to described second voltage, described output current and described charging voltage is intact to judge the connection between described low-voltage output and described battery, avoid, because loose contact causes battery charge efficiency low, improving the reliability of battery charging.
In an embodiment of the present invention, described battery is lead-acid battery.
Particularly, described control module can be MCU.
In addition, embodiments of the invention also proposed a kind of electric automobile, and it comprises above-mentioned DC-DC converter.
This electric automobile to low tension battery charging on car by above-mentioned DC-DC converter, can be improved the charge efficiency of storage battery under low temperature environment, and can also judge whether storage battery is full of electricity, ensures that storage battery safety reliably charges.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of output compensation method of DC-DC converter, described DC-DC converter comprises the galvanic power conversion modules direct current of the first voltage of input being converted to the second voltage, the low-voltage output of described power conversion modules is connected with battery, described power conversion modules exports the direct current of described second voltage to charge to described battery by described low-voltage output, wherein, described first voltage is greater than described second voltage, described output compensation method comprises the following steps: sampling ambient temperature, and the charging voltage of described battery of sampling, when described ambient temperature is lower than preset temperature, control described power conversion modules to regulate described second voltage, to carry out voltage compensation to described charging voltage according to described charging voltage.
According to the output compensation method of the DC-DC converter of the embodiment of the present invention, first the charging voltage of ambient temperature and battery of sampling and battery both end voltage, then under the low temperature condition of ambient temperature lower than preset temperature such as less than-20 DEG C, by controlling the output voltage of the second voltage and the DC-DC converter regulating low-voltage output to export to power conversion modules, to carry out voltage compensation to charging voltage, battery both end voltage is made to be stabilized in fixed value, thus the charge efficiency of battery under low temperature environment can be improved.In addition, can also judge whether battery is full of electricity by the charging voltage of sampling battery, ensure that cell safety reliably charges.
According to one embodiment of present invention, be connected between described low-voltage output with described battery by anode wiring harness, described output compensation method also comprises: the output current of described DC-DC converter of sampling, and described second voltage of sampling; Whether the resistance calculating described anode wiring harness according to described second voltage, described output current and described charging voltage is intact to judge the connection between described low-voltage output and described battery, avoid, because loose contact causes battery charge efficiency low, improving the reliability of battery charging.
Wherein, described battery is lead-acid battery.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the DC-DC converter according to the embodiment of the present invention;
Fig. 2 is the block diagram of DC-DC converter according to an embodiment of the invention; And
Fig. 3 is the flow chart of the output compensation method of DC-DC converter according to the embodiment of the present invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
The output compensation method of the DC-DC converter proposed according to the embodiment of the present invention, the electric automobile with this DC-DC converter and DC-DC converter is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the DC-DC converter according to the embodiment of the present invention.As shown in Figure 1, this DC-DC converter comprises power conversion modules 10, temperature sampling module 20, first voltage sample module 30, control module 40 and low-voltage power supply module 50.
Wherein, power conversion modules 10 comprises high voltage input terminal and low-voltage output, positive terminal in low-voltage output and low-voltage output is connected with battery 100, negative pole termination vehicle body ground in low-voltage output, power conversion modules 10 is for being converted to the direct current of the direct current such as 12V of the second voltage by the direct current of the inputted by described high voltage input terminal first voltage and high voltage direct current, and charged to give battery 100 by the direct current of described second voltage of described low-voltage output output, wherein, described first voltage is greater than described second voltage.Temperature sampling module 20 is for ambient temperature of sampling, first voltage sample module 30 is for the charging voltage of sampling battery 100 and battery both end voltage, control end, the temperature sampling module 20 of control module 40 and power conversion modules 10 are connected respectively with the first voltage sample module 30, described ambient temperature lower than preset temperature such as-20 DEG C time control module 40 control power conversion modules 10 to regulate described second voltage according to described charging voltage, to carry out voltage compensation to described charging voltage, charging voltage and battery both end voltage is made to be stabilized in a fixed value.Low-voltage power supply module 50 is connected with control module 40 with battery 100 respectively, and low-voltage power supply module 50 is for powering from battery electricity-taking to give control module 40, and such as the low tension of 12V is converted to 5V or 3.3V by low-voltage power supply module 50, supply control module 40.According to an example of the present invention, control module 40 can be MCU or DSP.
That is, the DC-DC converter of the embodiment of the present invention is by the first voltage sample module Direct Sampling charging voltage and battery both end voltage, and it can be used as the feedback voltage of DC-DC converter, can realize compensating the far-end of battery both end voltage, make battery both end voltage be stabilized in a fixed value, be conducive to the charge efficiency improving battery.
According to one embodiment of present invention, as shown in Figure 2, the positive terminal in described low-voltage output and low-voltage output is connected by anode wiring harness 200 with between battery 100, and the impedance of anode wiring harness 200 is R1.
Further, as shown in Figure 2, above-mentioned DC-DC converter also comprises: current sample module 60 and the second voltage sample module 70.Current sample module 60 is connected with control module 40 with low-voltage output and low pressure output cathode end respectively, the output current of current sample module 60 for DC-DC converter of sampling and the output current of power conversion modules 10; Second voltage sample module 70 is connected with control module 40 with low-voltage output respectively, and the second voltage sample module 70 is for the low pressure output voltage of sample described second voltage and DC-DC converter.Wherein, whether control module 40 is intact to judge the connection between described low-voltage output and described battery according to the resistance R1 of described second voltage, described output current and described charging voltage calculating anode wiring harness 200.
Particularly, control module 40 is according to the resistance of following formulae discovery anode wiring harness:
R1＝(U1-U2)/Iout
Wherein, R1 is the resistance of anode wiring harness 200, and U1 is the output voltage of the second voltage and DC-DC converter, and U2 is charging voltage and battery both end voltage, and Iout is the output current of DC-DC converter.
Output voltage due to DC-DC converter is U1, output current is Iout, battery both end voltage is U2, then U2=U1-R1*Iout, and the resistance R1 of anode wiring harness is not quite similar, there is certain deviation, and under different charging operating mode, Iout also differs larger, therefore U2 can be caused to export unstable, thus the charge efficiency of battery under affecting low temperature environment.And the DC-DC converter of the embodiment of the present invention passes through the first voltage sample module to the sampling of battery both end voltage, control module carrys out the output voltage U1 of regulating power conversion module according to battery both end voltage and ambient temperature, battery both end voltage U2 is made to be stabilized in a fixed value, realize quickly charging battery, not only eliminate the deviation that R1 and Iout causes, the charge efficiency of battery under low temperature environment can also be improved.The size of the resistance R1 of anode wiring harness can also be calculated according to U1, U2 and Iout simultaneously, thus can judge the low-voltage output of power conversion modules and connection between low pressure cathode output end and battery whether intact, avoid, because loose contact causes battery charge efficiency low, improving the reliability of battery charging.
In an embodiment of the present invention, as shown in Figure 2, battery can be lead-acid battery.
According to the DC-DC converter of the embodiment of the present invention, by temperature sampling module samples ambient temperature, and pass through charging voltage and the battery both end voltage of the first voltage sample module samples battery, then under the low temperature condition of ambient temperature lower than preset temperature such as less than-20 DEG C, control module is by controlling the output voltage of the second voltage and the DC-DC converter regulating low-voltage output to export to power conversion modules, to carry out voltage compensation to charging voltage, battery both end voltage is made to be stabilized in fixed value, thus the charge efficiency of battery under low temperature environment can be improved.In addition, can also judge whether battery is full of electricity by the charging voltage of sampling battery, ensure that cell safety reliably charges.
In addition, embodiments of the invention also proposed a kind of electric automobile, and it comprises above-mentioned DC-DC converter.
This electric automobile to low tension battery charging on car by above-mentioned DC-DC converter, can be improved the charge efficiency of storage battery under low temperature environment, and can also judge whether storage battery is full of electricity, ensures that storage battery safety reliably charges.
Fig. 3 is the flow chart of the output compensation method of DC-DC converter according to the embodiment of the present invention.Wherein, this DC-DC converter comprises the galvanic power conversion modules direct current of the first voltage of input being converted to the second voltage, the low-voltage output of described power conversion modules is connected with battery, described power conversion modules exports the direct current of described second voltage to charge to described battery by described low-voltage output, wherein, described first voltage is greater than described second voltage.As shown in Figure 3, the output compensation method of this DC-DC converter comprises the following steps:
S1, sampling ambient temperature, and the voltage at the charging voltage of sampling battery and battery two ends.
S2, when ambient temperature is lower than preset temperature, controls power conversion modules to regulate the output voltage of the second voltage and power conversion modules, to carry out voltage compensation to charging voltage according to charging voltage.
According to one embodiment of present invention, be connected between described low-voltage output with described battery by anode wiring harness, described output compensation method also comprises: the output current of described DC-DC converter of sampling, and described second voltage of sampling; Whether the resistance calculating described anode wiring harness according to described second voltage, described output current and described charging voltage is intact to judge the connection between described low-voltage output and described battery, avoid, because loose contact causes battery charge efficiency low, improving the reliability of battery charging.
Wherein, in an embodiment of the present invention, described battery is lead-acid battery.
According to the output compensation method of the DC-DC converter of the embodiment of the present invention, first the charging voltage of ambient temperature and battery of sampling and battery both end voltage, then under the low temperature condition of ambient temperature lower than preset temperature such as less than-20 DEG C, by controlling the output voltage of the second voltage and the DC-DC converter regulating low-voltage output to export to power conversion modules, to carry out voltage compensation to charging voltage, battery both end voltage is made to be stabilized in fixed value, thus the charge efficiency of battery under low temperature environment can be improved.In addition, can also judge whether battery is full of electricity by the charging voltage of sampling battery, ensure that cell safety reliably charges.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (9)
1. a DC-DC converter, is characterized in that, comprising:
Power conversion modules, described power conversion modules comprises high voltage input terminal and low-voltage output, described low-voltage output is connected with battery, described power conversion modules is used for the direct current direct current of the first voltage inputted by described high voltage input terminal being converted to the second voltage, and charged to give described battery by the direct current of described second voltage of described low-voltage output output, wherein, described first voltage is greater than described second voltage;
Temperature sampling module, described temperature sampling module is for ambient temperature of sampling;
First voltage sample module, described first voltage sample module is for the charging voltage of described battery of sampling;
Control module, described control module is connected with described first voltage sample module respectively with the control end of described power conversion modules, described temperature sampling module, described power conversion modules is controlled to regulate described second voltage, to carry out voltage compensation to described charging voltage lower than control module described during preset temperature according to described charging voltage in described ambient temperature; With
Low-voltage power supply module, described low-voltage power supply module is connected with control module with described battery respectively, and described low-voltage power supply module is used for powering to described control module.
2. DC-DC converter as claimed in claim 1, be is characterized in that, be connected between described low-voltage output with described battery by anode wiring harness.
3. DC-DC converter as claimed in claim 2, is characterized in that, also comprise:
Current sample module, described current sample module is connected with described control module with described low-voltage output respectively, and described current sample module is for the output current of described DC-DC converter of sampling;
Second voltage sample module, described second voltage sample module is connected with described control module with described low-voltage output respectively, and described second voltage sample module is for described second voltage of sampling;
Wherein, whether described control module calculate the resistance of described anode wiring harness according to described second voltage, described output current and described charging voltage intact to judge the connection between described low-voltage output and described battery.
4. the DC-DC converter according to any one of claim 1-3, is characterized in that, described battery is lead-acid battery.
5. DC-DC converter as claimed in claim 1, it is characterized in that, described control module is MCU.
6. an electric automobile, is characterized in that, comprises the DC-DC converter according to any one of claim 1-5.
7. the output compensation method of a DC-DC converter, it is characterized in that, described DC-DC converter comprises the galvanic power conversion modules direct current of the first voltage of input being converted to the second voltage, the low-voltage output of described power conversion modules is connected with battery, described power conversion modules exports the direct current of described second voltage to charge to described battery by described low-voltage output, wherein, described first voltage is greater than described second voltage, and described output compensation method comprises the following steps:
Sampling ambient temperature, and the charging voltage of described battery of sampling;
When described ambient temperature is lower than preset temperature, control described power conversion modules to regulate described second voltage, to carry out voltage compensation to described charging voltage according to described charging voltage.
8. the output compensation method of DC-DC converter as claimed in claim 7, it is characterized in that, be connected between described low-voltage output with described battery by anode wiring harness, described output compensation method also comprises:
The output current of described DC-DC converter of sampling, and described second voltage of sampling;
Whether the resistance calculating described anode wiring harness according to described second voltage, described output current and described charging voltage is intact to judge the connection between described low-voltage output and described battery.
9. the output compensation method of DC-DC converter as claimed in claim 7 or 8, it is characterized in that, described battery is lead-acid battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370950.3A CN105305809B (en) | 2014-07-30 | 2014-07-30 | DC-DC converter and its output compensation method, the electric vehicle with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370950.3A CN105305809B (en) | 2014-07-30 | 2014-07-30 | DC-DC converter and its output compensation method, the electric vehicle with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105305809A true CN105305809A (en) | 2016-02-03 |
| CN105305809B CN105305809B (en) | 2018-10-16 |
Family
ID=55202692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410370950.3A Active CN105305809B (en) | 2014-07-30 | 2014-07-30 | DC-DC converter and its output compensation method, the electric vehicle with it |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105305809B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377012A (en) * | 2018-02-26 | 2018-08-07 | 北京新能源汽车股份有限公司 | A kind of charge protection method, device and control device |
| CN108909502A (en) * | 2018-07-16 | 2018-11-30 | 上海蓥石汽车技术有限公司 | A kind of device automatically adjusting new energy vehicle car battery charging voltage |
| CN114069764A (en) * | 2021-09-30 | 2022-02-18 | 科华数据股份有限公司 | Charging temperature compensation method and device for shared battery and power conversion equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10136580A (en) * | 1996-10-28 | 1998-05-22 | Matsushita Electric Works Ltd | Charge control method |
| CN201928058U (en) * | 2011-03-11 | 2011-08-10 | 威海天力电源科技有限公司 | Highly-efficient safe storage battery charger |
| CN103219789A (en) * | 2012-01-20 | 2013-07-24 | 沈阳华矿新能源装备科技有限公司 | Intelligent uninterruptible power supply (UPS) of escape capsule |
| CN103441547A (en) * | 2013-09-03 | 2013-12-11 | 四川川奇机电有限责任公司 | Charger and electric moped with same |
-
2014
- 2014-07-30 CN CN201410370950.3A patent/CN105305809B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10136580A (en) * | 1996-10-28 | 1998-05-22 | Matsushita Electric Works Ltd | Charge control method |
| CN201928058U (en) * | 2011-03-11 | 2011-08-10 | 威海天力电源科技有限公司 | Highly-efficient safe storage battery charger |
| CN103219789A (en) * | 2012-01-20 | 2013-07-24 | 沈阳华矿新能源装备科技有限公司 | Intelligent uninterruptible power supply (UPS) of escape capsule |
| CN103441547A (en) * | 2013-09-03 | 2013-12-11 | 四川川奇机电有限责任公司 | Charger and electric moped with same |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377012A (en) * | 2018-02-26 | 2018-08-07 | 北京新能源汽车股份有限公司 | A kind of charge protection method, device and control device |
| CN108377012B (en) * | 2018-02-26 | 2020-12-11 | 北京新能源汽车股份有限公司 | Charging protection method and device and control equipment |
| CN108909502A (en) * | 2018-07-16 | 2018-11-30 | 上海蓥石汽车技术有限公司 | A kind of device automatically adjusting new energy vehicle car battery charging voltage |
| CN114069764A (en) * | 2021-09-30 | 2022-02-18 | 科华数据股份有限公司 | Charging temperature compensation method and device for shared battery and power conversion equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105305809B (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8134342B2 (en) | Method for pulsed charging of a battery in an autonomous system comprising a supercapacitance | |
| CN108377009A (en) | Power supply system | |
| US10017138B2 (en) | Power supply management system and power supply management method | |
| US20130049676A1 (en) | Quick charging device and mobile charging apparatus | |
| CN104362695A (en) | Series-battery-pack equalization system and control method thereof | |
| EP2228882A3 (en) | Charging control device and method, charging device, as well as, program | |
| KR20120062956A (en) | High voltage system of electric vehicles | |
| US8390243B2 (en) | Charge-controlling system and method therefor | |
| US20150069960A1 (en) | Auxiliary Battery Charging Apparatus | |
| CN105186858A (en) | Controller of low-voltage DC-DC converter of electric vehicle | |
| EP2506389A2 (en) | Auxiliary battery charging apparatus | |
| JP2012085519A (en) | Ac current control of on-vehicle battery charger | |
| CN108688469A (en) | A kind of the operating on low voltage system and its control method of electric vehicle | |
| US8427097B2 (en) | Hybrid electrical power source | |
| US11130405B2 (en) | System and method of powering an external device with a vehicular battery system | |
| CN105305809A (en) | DC-DC converter and output compensation method thereof and electric automobile having same | |
| CN109600036A (en) | The control method of power adapter, power conversion system and power adapter | |
| CN103904638A (en) | Direct-current distributed load system based on three-port converter and control method thereof | |
| CN102468659A (en) | Charging control system and method thereof | |
| CN105280990A (en) | Kilowatt-scale fuel cell/lithium-ion cell hybrid power device and energy management method thereof | |
| CN104659854A (en) | Charge method and system of vehicle-mounted battery and vehicle with charge system | |
| CN209055600U (en) | Charging pile energy-saving aging device and charging system | |
| CN108263226B (en) | Car charging system and electric automobile | |
| WO2013031125A1 (en) | Energy storage system | |
| CN104901358A (en) | Power supply circuit, power supply method and terminal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |