CN105305809B - DC-DC converter and its output compensation method, the electric vehicle with it - Google Patents
DC-DC converter and its output compensation method, the electric vehicle with it Download PDFInfo
- Publication number
- CN105305809B CN105305809B CN201410370950.3A CN201410370950A CN105305809B CN 105305809 B CN105305809 B CN 105305809B CN 201410370950 A CN201410370950 A CN 201410370950A CN 105305809 B CN105305809 B CN 105305809B
- Authority
- CN
- China
- Prior art keywords
- voltage
- battery
- output
- low
- converter
- 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.)
- Active
Links
Abstract
The present invention proposes a kind of DC DC converters, including：The low-voltage output of power conversion modules, power conversion modules is connected with battery, and power conversion modules are used to be converted in the direct current of the first voltage of input the direct current of second voltage, and export the direct current of second voltage to charge the battery；Temperature sampling module, temperature sampling module is for sampling environment temperature；First voltage sampling module, first voltage sampling module are used for the charging voltage of sampling battery；Control module controls power conversion modules to adjust second voltage, to carry out voltage compensation to charging voltage less than preset temperature time control molding root tuber in environment temperature according to charging voltage；Low-voltage power supply module, low-voltage power supply module are connected with battery and control module respectively, and low-voltage power supply module is powered to control module.The DC DC converters can not only judge whether battery is fully charged, moreover it is possible to improve the charge efficiency of battery under low temperature environment.The present invention also proposes a kind of electric vehicle and a kind of output compensation method of DC DC converters.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly to a kind of DC-DC converter, a kind of DC-DC converter
Export compensation method and a kind of electric vehicle with the DC-DC converter.
Background technology
DC-DC converter is the indispensable important component of electric vehicle, exports general lead-acid battery in parallel, gives plumbic acid
Battery charges, to provide the power supply of vehicle low pressure components.And lead-acid battery is in low temperature, internal resistance increases, and charge efficiency can be big
It is big to reduce.
In the related technology, typically in low temperature, the output voltage of DC-DC converter is directly improved to be filled to lead-acid battery
Electricity, but the voltage at lead-acid battery both ends can not be directly collected, to judge whether lead-acid battery is fully charged, and
The both end voltage difference of lead-acid battery is very big under difference charging operating mode, to seriously affect the charging of lead-acid battery under low temperature environment
Efficiency.Therefore, DC-DC converter needs in the related technology are improved.
Invention content
The present invention is directed at least solve above-mentioned technical problem to a certain extent.
For this purpose, an object of the present invention is to provide a kind of DC-DC converters for capableing of sampling battery both end voltage, no
It is only capable of judging whether battery is fully charged, moreover it is possible to improve the charge efficiency of battery under low temperature environment.
It is another object of the present invention to propose a kind of electric vehicle.A further object of the present invention is to propose a kind of
The output compensation method of DC-DC converter.
In order to achieve the above objectives, a kind of DC-DC converter that one aspect of the present invention embodiment proposes, including：Power conversion
Module, the power conversion modules include high voltage input terminal and low-voltage output, and the low-voltage output is connected with battery, described
Power conversion modules are used to the direct current of the first voltage inputted by the high voltage input terminal being converted to the straight of second voltage
Galvanic electricity, and the direct current of the second voltage is exported to charge to the battery by the low-voltage output, wherein described the
One voltage is more than the second voltage；Temperature sampling module, the temperature sampling module is for sampling environment temperature；First voltage
Sampling module, the first voltage sampling module are used to sample the charging voltage of the battery；Control module, the control module
It is respectively connected with the control terminal, the temperature sampling module and the first voltage sampling module of the power conversion modules,
When the environment temperature is less than preset temperature the control module according to the charging voltage control the power conversion modules with
The second voltage is adjusted, to carry out voltage compensation to the charging voltage；With low-voltage power supply module, the low-voltage power supply module
It is connected respectively with the battery and control module, the low-voltage power supply module is used to power to the control module.
DC-DC converter according to the ... of the embodiment of the present invention by temperature sampling module samples environment temperature, and passes through first
The charging voltage of voltage sample module samples battery, that is, battery both end voltage, then environment temperature less than preset temperature for example-
Under 20 DEG C of low temperature conditions below, control module adjusts low-voltage output output by being controlled power conversion modules
The output voltage of second voltage, that is, DC-DC converter, to carry out voltage compensation to charging voltage so that battery both end voltage is stablized
In fixed value, so as to improve the charge efficiency of battery under low temperature environment.In addition, the charging voltage by sampling battery can also
Enough judge whether battery is fully charged, ensures that cell safety reliably charges.
According to one embodiment of present invention, it is connected by anode wiring harness between the low-voltage output and the battery.
According to one embodiment of present invention, the DC-DC converter further includes：Current sampling module, the electric current
Sampling module is connected with the low-voltage output and the control module respectively, and the current sampling module is described for sampling
The output current of DC-DC converter；Second voltage sampling module, the second voltage sampling module are exported with the low pressure respectively
End is connected with the control module, and the second voltage sampling module is for sampling the second voltage；Wherein, the control mould
It is described to judge that root tuber according to the second voltage, the output current and the charging voltage calculates the resistance value of the anode wiring harness
Whether the connection between low-voltage output and the battery is intact, avoids causing battery charge efficiency low because of poor contact, carry
The reliability of high battery charging.
In an embodiment of the present invention, the battery is lead-acid battery.
Specifically, the control module can be MCU.
In addition, the embodiment of the present invention also proposed a kind of electric vehicle comprising above-mentioned DC-DC converter.
The electric vehicle is charged by above-mentioned DC-DC converter to low tension battery on vehicle, and low temperature environment can be improved
The charge efficiency of lower accumulator, and can also judge whether accumulator is fully charged, ensure that storage battery safety reliably charges.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of output compensation side of DC-DC converter
Method, the DC-DC converter include becoming the power for the direct current that the direct current of the first voltage of input is converted to second voltage
Block is changed the mold, the low-voltage output of the power conversion modules is connected with battery, and the power conversion modules are defeated by the low pressure
Outlet exports the direct current of the second voltage to charge to the battery, wherein the first voltage is more than second electricity
Pressure, the output compensation method include the following steps：Environment temperature is sampled, and samples the charging voltage of the battery；Described
When environment temperature is less than preset temperature, the power conversion modules are controlled according to the charging voltage to adjust second electricity
Pressure, to carry out voltage compensation to the charging voltage.
The output compensation method of DC-DC converter according to the ... of the embodiment of the present invention, first sampling environment temperature and battery
Then charging voltage, that is, battery both end voltage is led in environment temperature less than under preset temperature such as -20 DEG C of low temperature conditions below
Cross the output electricity that power conversion modules are controlled with the i.e. DC-DC converter of second voltage to adjust low-voltage output output
Pressure, to carry out voltage compensation to charging voltage so that battery both end voltage is stablized in fixed value, so as to improve low temperature environment
The charge efficiency of lower battery.In addition, can also judge whether battery is fully charged by the charging voltage of sampling battery, ensure battery
Safely and reliably charge.
According to one embodiment of present invention, it is connected by anode wiring harness between the low-voltage output and the battery,
The output compensation method further includes：The output current of the DC-DC converter is sampled, and samples the second voltage；According to
The second voltage, the output current and the charging voltage calculate the resistance value of the anode wiring harness to judge that the low pressure is defeated
Whether the connection between outlet and the battery is intact, avoids causing battery charge efficiency low because of poor contact, improves battery
The reliability of charging.
Wherein, the battery is lead-acid battery.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the block diagram according to the DC-DC converter of the embodiment of the present invention；
Fig. 2 is the block diagram according to the DC-DC converter of one embodiment of the invention；And
Fig. 3 is the flow chart according to the output compensation method of the DC-DC converter of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.This
Outside, the present invention provides various specific techniques and material example, but those of ordinary skill in the art may realize that
The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it
The structure of "upper" may include the embodiment that the first and second features are formed as being in direct contact, and can also include other feature shape
At the embodiment between the first and second features, such first and second feature may not be to be in direct contact.
In the description of the present invention, it should be noted that unless otherwise specified and limited, term " installation ", " connected ",
" connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, can also be the connection inside two elements, it can
, can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to the accompanying drawings come describe the DC-DC converter proposed according to embodiments of the present invention, have the DC-DC converter
Electric vehicle and DC-DC converter output compensation method.
Fig. 1 is the block diagram according to the DC-DC converter of the embodiment of the present invention.As shown in Figure 1, the DC-DC is converted
Device includes power conversion modules 10, temperature sampling module 20, first voltage sampling module 30, control module 40 and low-voltage power supply mould
Block 50.
Wherein, power conversion modules 10 include high voltage input terminal and low-voltage output, low-voltage output, that is, low-voltage output
In positive terminal be connected with battery 100, with picking up body, power conversion modules 10 will be for will pass through for the negative pole end in low-voltage output
Direct current, that is, high voltage direct current of the first voltage of the high voltage input terminal input is converted to the direct current such as 12V of second voltage
Direct current, and by the low-voltage output export the direct current of the second voltage with give battery 100 charge, wherein institute
It states first voltage and is more than the second voltage.Temperature sampling module 20 is for sampling environment temperature, first voltage sampling module 30
For charging voltage, that is, battery both end voltage of sampling battery 100, control terminal, the temperature of control module 40 and power conversion modules 10
Degree sampling module 20 and first voltage sampling module 30 are respectively connected with, and are less than such as -20 DEG C of preset temperature in the environment temperature
When control module 40 according to the charging voltage control power conversion modules 10 to adjust the second voltage, with to the charging
Voltage carries out voltage compensation so that charging voltage, that is, battery both end voltage is stablized in a fixed value.Low-voltage power supply module 50 is divided
It is not connected with battery 100 and control module 40, low-voltage power supply module 50 is used for from battery electricity-taking to give control module 40 to power, example
If the low tension of 12V is converted to 5V or 3.3V by low-voltage power supply module 50, control module 40 is supplied.One according to the present invention is shown
Example, control module 40 can be MCU or DSP.
That is, the DC-DC converter of the embodiment of the present invention directly samples charging electricity by first voltage sampling module
Pressure is battery both end voltage, and the feedback voltage as DC-DC converter is, it can be achieved that the distal end to battery both end voltage is mended
It repays so that battery both end voltage stablizes the charge efficiency for being conducive to improve battery in a fixed value.
According to one embodiment of present invention, as shown in Fig. 2, positive terminal in the low-voltage output, that is, low-voltage output
It is connect by anode wiring harness 200 between battery 100, the impedance of anode wiring harness 200 is R1.
Also, as shown in Fig. 2, above-mentioned DC-DC converter further includes：Current sampling module 60 and second voltage sample mould
Block 70.Current sampling module 60 is connected with low-voltage output, that is, low pressure output cathode end and control module 40 respectively, current sample
Module 60 is used to sample the output current i.e. output current of power conversion modules 10 of DC-DC converter；Second voltage samples mould
Block 70 is connected with low-voltage output and control module 40 respectively, and second voltage sampling module 70 is for sampling the second voltage i.e.
The low pressure output voltage of DC-DC converter.Wherein, control module 40 is according to the second voltage, the output current and described
Charging voltage calculates the resistance value R1 of anode wiring harness 200 to judge whether the connection between the low-voltage output and the battery is complete
It is good.
Specifically, control module 40 calculates the resistance value of anode wiring harness according to following formula：
R1=(U1-U2)/Iout
Wherein, R1 is the resistance value of anode wiring harness 200, and U1 is the output voltage of second voltage, that is, DC-DC converter, and U2 is to fill
Piezoelectric voltage, that is, battery both end voltage, Iout are the output current of DC-DC converter.
Since the output voltage of DC-DC converter is U1, output current Iout, battery both end voltage is U2, then U2=
U1-R1*Iout, and the resistance value R1 of anode wiring harness is not quite similar, there are certain deviation, and Iout under different charging operating modes
It differs bigger, therefore U2 outputs can be caused unstable, to influence the charge efficiency of battery under low temperature environment.And the present invention is real
Sampling of the DC-DC converter of example by first voltage sampling module to battery both end voltage is applied, control module is according to battery two
Terminal voltage and environment temperature carry out the output voltage U1 of regulation power conversion module so that battery both end voltage U2 stablizes at one
Fixed value is realized to quickly charging battery, not only eliminates deviation caused by R1 and Iout, moreover it is possible to improve battery under low temperature environment
Charge efficiency.The size that the resistance value R1 of anode wiring harness can also be calculated according to U1, U2 and Iout simultaneously, so as to judge
Whether the low-voltage output of power conversion modules, that is, connection between low pressure cathode output end and battery is intact, avoids because contacting not
It is good to cause battery charge efficiency low, improve the reliability of battery charging.
In an embodiment of the present invention, as shown in Fig. 2, battery can be lead-acid battery.
DC-DC converter according to the ... of the embodiment of the present invention by temperature sampling module samples environment temperature, and passes through first
The charging voltage of voltage sample module samples battery, that is, battery both end voltage, then environment temperature less than preset temperature for example-
Under 20 DEG C of low temperature conditions below, control module adjusts low-voltage output output by being controlled power conversion modules
The output voltage of second voltage, that is, DC-DC converter, to carry out voltage compensation to charging voltage so that battery both end voltage is stablized
In fixed value, so as to improve the charge efficiency of battery under low temperature environment.In addition, the charging voltage by sampling battery can also
Enough judge whether battery is fully charged, ensures that cell safety reliably charges.
In addition, the embodiment of the present invention also proposed a kind of electric vehicle comprising above-mentioned DC-DC converter.
The electric vehicle is charged by above-mentioned DC-DC converter to low tension battery on vehicle, and low temperature environment can be improved
The charge efficiency of lower accumulator, and can also judge whether accumulator is fully charged, ensure that storage battery safety reliably charges.
Fig. 3 is the flow chart according to the output compensation method of the DC-DC converter of the embodiment of the present invention.Wherein, the DC-DC
Converter includes the power conversion modules for the direct current that the direct current of the first voltage of input is converted to second voltage, the work(
The low-voltage output of rate conversion module is connected with battery, and the power conversion modules export described the by the low-voltage output
The direct current of two voltages is to give the battery to charge, wherein the first voltage is more than the second voltage.As shown in figure 3, should
The output compensation method of DC-DC converter includes the following steps：
S1 samples environment temperature, and the voltage at the charging voltage of sampling battery, that is, battery both ends.
S2 controls power conversion modules to adjust the second electricity when environment temperature is less than preset temperature according to charging voltage
Pressure is the output voltage of power conversion modules, to carry out voltage compensation to charging voltage.
According to one embodiment of present invention, it is connected by anode wiring harness between the low-voltage output and the battery,
The output compensation method further includes：The output current of the DC-DC converter is sampled, and samples the second voltage；According to
The second voltage, the output current and the charging voltage calculate the resistance value of the anode wiring harness to judge that the low pressure is defeated
Whether the connection between outlet and the battery is intact, avoids causing battery charge efficiency low because of poor contact, improves battery
The reliability of charging.
Wherein, in an embodiment of the present invention, the battery is lead-acid battery.
The output compensation method of DC-DC converter according to the ... of the embodiment of the present invention, first sampling environment temperature and battery
Then charging voltage, that is, battery both end voltage is led in environment temperature less than under preset temperature such as -20 DEG C of low temperature conditions below
Cross the output electricity that power conversion modules are controlled with the i.e. DC-DC converter of second voltage to adjust low-voltage output output
Pressure, to carry out voltage compensation to charging voltage so that battery both end voltage is stablized in fixed value, so as to improve low temperature environment
The charge efficiency of lower battery.In addition, can also judge whether battery is fully charged by the charging voltage of sampling battery, ensure battery
Safely and reliably charge.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiments or example in can be combined in any suitable manner.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is by appended claims and its equivalent limits.
Claims (9)
1. a kind of DC-DC converter, which is characterized in that including：
Power conversion modules, the power conversion modules include high voltage input terminal and low-voltage output, the low-voltage output with
Battery is connected, and the power conversion modules are for being converted to the direct current of the first voltage inputted by the high voltage input terminal
The direct current of second voltage, and the direct current of the second voltage is exported to be filled to the battery by the low-voltage output
Electricity, wherein the first voltage is more than the second voltage；
Temperature sampling module, the temperature sampling module is for sampling environment temperature；
First voltage sampling module, the first voltage sampling module are used to sample the charging voltage of the battery, wherein described
Charging voltage is battery both end voltage；
Control module, the control terminals of the control module and the power conversion modules, the temperature sampling module and described the
One voltage sample module is respectively connected with, and when the environment temperature is less than preset temperature, the control module is according to charging electricity
The voltage-controlled system power conversion modules are to adjust the second voltage, to carry out voltage compensation to the charging voltage, so that electric
Pond both end voltage is stablized in fixed value；With
Low-voltage power supply module, the low-voltage power supply module are connected with the battery and control module respectively, the low-voltage power supply mould
Block is used to power to the control module.
2. DC-DC converter as described in claim 1, which is characterized in that lead between the low-voltage output and the battery
Cross anode wiring harness connection.
3. DC-DC converter as claimed in claim 2, which is characterized in that further include：
Current sampling module, the current sampling module is connected with the low-voltage output and the control module respectively, described
Current sampling module is used to sample the output current of the DC-DC converter；
Second voltage sampling module, the second voltage sampling module respectively with the low-voltage output and the control module phase
Even, the second voltage sampling module is for sampling the second voltage；
Wherein, the control module calculates the anode according to the second voltage, the output current and the charging voltage
Whether the resistance value of harness is intact to judge the connection between the low-voltage output and the battery.
4. DC-DC converter as claimed in any one of claims 1-3, which is characterized in that the battery is lead-acid battery.
5. DC-DC converter as described in claim 1, which is characterized in that the control module is MCU.
6. a kind of electric vehicle, which is characterized in that include the DC-DC converter as described in any one of claim 1-5.
7. a kind of output compensation method of DC-DC converter, which is characterized in that the DC-DC converter includes will input
The direct current of one voltage is converted to the power conversion modules of the direct current of second voltage, the low pressure output of the power conversion modules
End is connected with battery, and the power conversion modules export the direct current of the second voltage with to institute by the low-voltage output
State battery charging, wherein the first voltage is more than the second voltage, and the output compensation method includes the following steps：
Environment temperature is sampled, and samples the charging voltage of the battery, wherein the charging voltage is battery both end voltage；
When the environment temperature is less than preset temperature, the power conversion modules are controlled to adjust according to the charging voltage
Second voltage is stated, to carry out voltage compensation to the charging voltage, so that battery both end voltage is stablized in fixed value.
8. the output compensation method of DC-DC converter as claimed in claim 7, which is characterized in that the low-voltage output with
It is connected by anode wiring harness between the battery, the output compensation method further includes：
The output current of the DC-DC converter is sampled, and samples the second voltage；
The resistance value of the anode wiring harness is calculated to judge according to the second voltage, the output current and the charging voltage
Whether the connection stated between low-voltage output and the battery is intact.
9. the output compensation method of DC-DC converter as claimed in claim 7 or 8, which is characterized in that the battery is plumbic 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 CN105305809A (en) | 2016-02-03 |
| CN105305809B true 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105305809A (en) | 2016-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107650729B (en) | The pre-charging device of the High-Voltage Electrical Appliances of new-energy automobile | |
| CN102064592B (en) | High-power battery device | |
| CN103633842B (en) | A kind of Single switch oppositely exports secondary molded breadth gain changer | |
| CN104362695A (en) | Series-battery-pack equalization system and control method thereof | |
| CN202435108U (en) | Charging cabinet | |
| CN105052004A (en) | Topology and control strategy for hybrid storage systems | |
| CN102427260A (en) | Charging management system and charging holder using same | |
| CN108599553A (en) | A kind of electrical system of electric vehicle | |
| CN105305809B (en) | DC-DC converter and its output compensation method, the electric vehicle with it | |
| CN104167768B (en) | A kind of charging unit and charging method | |
| WO2012066045A3 (en) | Charge system for charging a battery of a vehicle with a two-way charge controller | |
| CN205951736U (en) | Modular structure of electric automobile integrated control ware | |
| CN103985893A (en) | Automatic controller for intermittent work of liquid flow pump of lithium ion flow battery | |
| CN113067385A (en) | Battery unit charging and discharging device | |
| CN203590037U (en) | Single switch inverted output secondary wide gain converter | |
| CN202749886U (en) | Lithium battery charging circuit | |
| CN102290846A (en) | Impedance type constant-voltage charging circuit with variable negative temperature coefficients | |
| CN105281401A (en) | Novel storage battery charging and discharging system | |
| CN201789319U (en) | Automatic voltage-regulating charger | |
| CN204046245U (en) | A kind of solar charging/discharging controller with two anti-circnit NOT | |
| CN204794134U (en) | Way of charging soon of mobile device lithium cell | |
| Goh et al. | Automated high current cycling test system for supercapacitor characterisation | |
| CN203617768U (en) | Large-scale electric vehicle rapid charging system | |
| CN107276135A (en) | Charging device and charging method | |
| CN112751387A (en) | Converter system and battery system with same |
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 |