CN107627852A - A kind of low-voltage power supply system and electric automobile applied to electric automobile - Google Patents
A kind of low-voltage power supply system and electric automobile applied to electric automobile Download PDFInfo
- Publication number
- CN107627852A CN107627852A CN201710842890.4A CN201710842890A CN107627852A CN 107627852 A CN107627852 A CN 107627852A CN 201710842890 A CN201710842890 A CN 201710842890A CN 107627852 A CN107627852 A CN 107627852A
- Authority
- CN
- China
- Prior art keywords
- low
- buck
- converters
- power supply
- tension battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 230000000903 blocking effect Effects 0.000 claims abstract 2
- 238000000034 method Methods 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention discloses a kind of low-voltage power supply system applied to electric automobile, including high voltage power supply, buck DC/DC converters, low tension battery and reverse isolation device, the input of buck DC/DC converters is connected with high voltage power supply, the output end of buck DC/DC converters is connected with the first end of reverse isolation device, and the second end of reverse isolation device is connected with low tension battery and low-voltage load respectively；Buck DC/DC converters are used to the high voltage direct current of high voltage power supply output being converted to low-voltage DC, there is provided to low tension battery and low-voltage load；Reverse isolation device is used for the electric current for blocking low tension battery to flow to buck DC/DC converters.Buck DC/DC converters in the present invention safely can also charge while being powered to low-voltage load for low tension battery, improve operating efficiency.The invention also discloses a kind of electric automobile, has identical beneficial effect with above-mentioned low-voltage power supply system.
Description
Technical field
The present invention relates to low-voltage power supply field, more particularly to a kind of low-voltage power supply system applied to electric automobile, sheet
Invention further relates to a kind of electric automobile.
Background technology
Low-voltage power supply system is had a wide range of applications in daily life, such as the field such as electric automobile, computer all should
With low-voltage power supply system.In the prior art, the low-voltage power supply system of electric automobile generally includes high voltage power supply, buck DC/
DC (Direct Current direct currents) converter, low tension battery.Wherein, buck DC/DC converters are used for high-tension electricity
The high voltage direct current of source input is converted to low-voltage DC, there is provided to low tension battery or low-voltage load.
In the prior art, it is contemplated that during the not enough power supply of high voltage power supply, the output electricity of buck DC/DC converters can be caused
Pressure, if now buck DC/DC converters are powered for low tension battery, can occur less than the voltage at low tension battery both ends
The phenomenon that electric current pours in down a chimney, so as to damage buck DC/DC converters.To avoid the generation of the phenomenon, in the prior art, buck
DC/DC converters will not charge for battery again when being powered to low-voltage load, will not be again to low when being charged for battery
Pressure load supplying, operating efficiency are low.
Therefore, how to provide a kind of scheme for solving above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
The content of the invention
It is an object of the invention to provide a kind of low-voltage power supply system applied to electric automobile, operating efficiency is improved；This
The another object of invention is to provide a kind of electric automobile for including above-mentioned low-voltage power supply system, the work of low-voltage power supply system therein
It is higher to make efficiency.
In order to solve the above technical problems, the invention provides a kind of low-voltage power supply system applied to electric automobile, including
High voltage power supply, buck DC/DC converters, low tension battery and reverse isolation device, the input of buck DC/DC converters
End is connected with high voltage power supply, and the output end of buck DC/DC converters is connected with the first end of reverse isolation device, reverse isolation
Second end of device is connected with low tension battery and low-voltage load respectively；Buck DC/DC converters are used for high voltage power supply is defeated
The high voltage direct current gone out is converted to low-voltage DC, there is provided to low tension battery and low-voltage load；Reverse isolation device is used to hinder
Disconnected low tension battery flows to the electric current of buck DC/DC converters.
Preferably, low-voltage power supply system also includes：
The current management device being connected respectively with buck DC/DC converters and low tension battery, bears for detecting low pressure
The load current I of load2, and according to load current I2With the rated current I of buck DC/DC converters1Control buck DC/DC
Converter and low tension battery are powered for low-voltage load simultaneously.
Preferably, current management device is specifically used for the load current I of detection low-voltage load2, work as I2≤I1When, control drop
Pressure type DC/DC converters are using output current as I2Powered to low-voltage load, work as I2＞ I1When, control buck DC/DC converters with
Low tension battery is powered to low-voltage load simultaneously, wherein, the supply current sum of buck DC/DC converters and low tension battery
Equal to I2。
Preferably, the process for controlling buck DC/DC converters to be powered simultaneously to low-voltage load with low tension battery is specific
For：
Control buck DC/DC converters to the electric current that low-voltage load exports be I1, low tension battery is defeated to low-voltage load
The electric current gone out is I2-I1。
Preferably, I is worked as2≤I1When, buck DC/DC converters are additionally operable to charge for low tension battery.
Preferably, high voltage power supply is electrokinetic cell.
Preferably, low-voltage power supply system also includes：
Flow equalizing circuit, the electric current exported for balanced buck DC/DC converters and low tension battery to low-voltage load.
Preferably, low-voltage power supply system also includes：
First end is connected with buck DC/DC converters and flow equalizing circuit respectively, what the second end was connected with low tension battery
BMS (Battery Management System battery management systems), for carrying out pipe to the charging and discharging currents of low tension battery
Reason, prevents low tension battery is overcharged and crossed from putting.
In order to solve the above-mentioned technical problem, present invention also offers a kind of electric automobile, including such as above-mentioned any one
Low-voltage power supply system.
The invention provides a kind of low-voltage power supply system applied to electric automobile, including high voltage power supply, buck DC/DC
Converter, low tension battery and reverse isolation device, the input of buck DC/DC converters are connected with high voltage power supply, drop
The output end of pressure type DC/DC converters is connected with the first end of reverse isolation device, the second end of reverse isolation device respectively with
Low tension battery and low-voltage load connection；Buck DC/DC converters are used to change the high voltage direct current of high voltage power supply output
For low-voltage DC, there is provided to low tension battery and low-voltage load；Reverse isolation device is used to block low tension battery flow direction drop
The electric current of pressure type DC/DC converters.It can be seen that because the reverse isolation device of the application offer can prevent the electricity of low tension battery
Stream pours in down a chimney to buck DC/DC converters, and therefore, buck DC/DC converters in the application are being powered to low-voltage load
Can also be that low tension battery charges simultaneously, even if the output voltage of buck DC/DC converters is less than low tension battery both ends
Voltage electric current will not also occur pour in down a chimney phenomenon, so as to would not also damage buck DC/DC converters, improve work effect
Rate.
Present invention also offers a kind of electric automobile, has identical beneficial effect with above-mentioned low-voltage power supply system.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, it will use below required in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is a kind of structural representation of low-voltage power supply system applied to electric automobile provided by the invention；
Fig. 2 is a kind of workflow diagram of current management device provided by the invention.
Embodiment
The core of the present invention is to provide a kind of low-voltage power supply system applied to electric automobile, improves operating efficiency；This
Another core of invention is to provide a kind of electric automobile for including above-mentioned low-voltage power supply system, the work of low-voltage power supply system therein
It is higher to make efficiency.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Fig. 1 is refer to, Fig. 1 is a kind of structural representation of low-voltage power supply system applied to electric automobile provided by the invention
Figure, including high voltage power supply 1, buck DC/DC converters 2, low tension battery 4 and reverse isolation device 3, wherein：
The input of buck DC/DC converters 2 is connected with high voltage power supply 1, the output end of buck DC/DC converters 2
Be connected with the first end of reverse isolation device 3, the second end of reverse isolation device 3 respectively with low tension battery 4 and low-voltage load
Connection；Buck DC/DC converters 2 are used to the high voltage direct current that high voltage power supply 1 exports being converted to low-voltage DC, there is provided give
Low tension battery 4 and low-voltage load；Reverse isolation device 3 is used to block low tension battery 4 to flow to buck DC/DC converters 2
Electric current.
Firstly the need of explanation, low-voltage load here can be the 12V low-voltage loads used in electric automobile, such as car
Lamp, rain brush, steering assist motor etc., the application are not particularly limited herein.
In view of buck DC/DC converters 2 of the prior art in its output voltage less than the both ends of low tension battery 4 electricity
If also charged during pressure to low tension battery 4, the phenomenon that electric current pours in down a chimney can occur, so as to damage buck DC/DC converters
2, the embodiment of the present invention is provided with reverse isolation device 3 in the output end of buck DC/DC converters 2, to block low pressure to store
Battery 4 flows to the electric current of buck DC/DC converters 2, so as to realize the buck DC/DC converters 2 in the embodiment of the present invention
It is safely that low tension battery 4 charges that can also be while being powered to low-voltage load.
It can be seen that because the reverse isolation device that the application provides can prevent the electric current of low tension battery from pouring in down a chimney to buck
DC/DC converters, therefore, the buck DC/DC converters in the application can also be low while being powered to low-voltage load
Battery charging is pressed, even if the output voltage of buck DC/DC converters will not also be sent out less than the voltage at low tension battery both ends
Raw electric current pours in down a chimney phenomenon, so as to would not also damage buck DC/DC converters, improves operating efficiency.
On the basis of above-described embodiment：
As a kind of preferred embodiment, low-voltage power supply system also includes：
The current management device 5 being connected respectively with buck DC/DC converters 2 and low tension battery 4, for detecting low pressure
The load current I of load2, and according to load current I2With the rated current I of buck DC/DC converters 21Control buck DC/
DC converters 2 and low tension battery 4 are powered for low-voltage load simultaneously.
In the prior art, when being powered for low-voltage load, the power of buck DC/DC converters 1 will meet low-voltage load
Power, then as the change of the power of loading demand is big, buck DC/DC converters 1 will also provide bigger power output, its
Bear larger, loss is very fast.
In the application, current management device 5 is according to load current I2With the rated current I of buck DC/DC converters 21It
Between relation come control buck DC/DC converters 2 and low tension battery 4 and meanwhile for low-voltage load power, for example, working as I2＞ I1
When, the electric current that buck DC/DC converters 2 export its rated current half can be controlled to control low pressure to low-voltage load
Battery 4 provides load current of remainder etc. for low-voltage load.It is negative that the low tension battery 4 of the application can undertake a part
Electric current is carried, the power demand without individually bearing low-voltage load of buck DC/DC converters 1, reduces buck DC/DC changes
The burden of parallel operation 1, reduce the consumption to it.
Wherein, by soft-switch PWM (Pulse Width Modulation pulse width modulations) inside current management device 5
Control, to control the output current of buck DC/DC converters 1 and low tension battery 4.
As a kind of preferred embodiment, current management device 5 is specifically used for the load current I of detection low-voltage load2, when
I2≤I1When, buck DC/DC converters 2 are controlled using output current as I2Powered to low-voltage load, work as I2＞ I1When, control decompression
Formula DC/DC converters 2 are powered to low-voltage load simultaneously with low tension battery 4, wherein, buck DC/DC converters 2 store with low pressure
The supply current sum of battery 4 is equal to I2。
Specifically, work as I2≤I1When, current management device controls the electricity that buck DC/DC converters export to low-voltage load
Flow I2For the electric current required for low-voltage load, it is ensured that low-voltage load safely and steadly works.
Specifically, work as I2＞ I1When, buck DC/DC converters 2 are just not enough to provide the load electricity required for low-voltage load
Stream, current management device 5 control buck DC/DC converters 2 to be powered simultaneously to low-voltage load with low tension battery 4, both
Supply current sum is equal to I2.Ensure that the total current for flowing into low-voltage load is the load current I required for it2, be advantageous to low pressure
Work load normal table.
It is, of course, also possible to according to other I1With I2Relation come to buck DC/DC converters 2 to low-voltage load export
Electric current be controlled with the electric current that low tension battery 4 exports to low-voltage load, for example, I can detected2＞ 3I1When/4,
Buck DC/DC converters 2 are controlled to be powered simultaneously to low-voltage load with low tension battery 4, both supply current sums are equal to
I2, it is of the invention not limit herein.
As a kind of preferred embodiment, control buck DC/DC converters 2 are born to low pressure simultaneously with low tension battery 4
Carrying the process powered is specially：
The electric current for controlling buck DC/DC converters 2 to be exported to low-voltage load is I1, low tension battery 4 is to low-voltage load
The electric current of output is I2-I1。
In the prior art, because buck DC/DC converters need the independent loading demand for meeting low-voltage load, thus work as
When loading demand increases, also correspondingly to increase the volume of buck DC/DC converters, cost is higher, and installation is not also square
Just.
Preferentially it is powered in the embodiment of the present invention using buck DC/DC converters for low-voltage load, works as I2≤I1When,
Low-voltage load power supply is individually for by buck DC/DC converters, works as I2＞ I1When, buck DC/DC converters provide the defeated of quota
Go out power, the loading demand of remainder is met by low tension battery.
First, the frequency of use of low tension battery is reduced, reduces the loss to low tension battery, improves low pressure electric power storage
The life-span in pond.
Furthermore, it is possible to the specification of unified buck DC/DC converters, different capabilities are matched according to the load state of vehicle
Low tension battery, the apolegamy of user are more flexible；Meanwhile low power buck DC/DC converters can be selected, such as
Rated power is 240W buck DC/DC converters, and small volume is easily installed, and also saves cost；Further, since low pressure
The power selection scope of battery is larger, therefore adds the power scope of application of the low-voltage power supply system.For example, it will can drop
The uniform specification of pressure type DC/DC converters is rated power 240W, rated current 20A, rated voltage 12V, in such cases, such as
It is 600W that fruit, which needs the maximum load demand that meets, can select rated voltage 12V, capacity for 20AH low tension battery, such as
It is 1200W that fruit, which needs the maximum load demand that meets, selection rated voltage 12V, capacity for 40AH low tension battery.
Certainly, buck DC/DC converters 2 to the electric current that low-voltage load exports can also be 3I1/ 4 grade other numerical value, phase
Answer, low tension battery 4 is to low-voltage load output load current I2Remainder, the present invention do not limit herein.
As a kind of preferred embodiment, work as I2≤I1When, buck DC/DC converters 2 are additionally operable to as low tension battery 4
Charging.
Specifically, refer to Fig. 2, Fig. 2 is a kind of workflow diagram of current management device 5 provided by the invention, decompression
Formula DC/DC converters 2 can be in I2≤I1In the case of, also it is that low tension battery 4 charges while being powered for low-voltage load,
Substantially increase the operating efficiency of low-voltage power supply system.
As a kind of preferred embodiment, high voltage power supply 1 is electrokinetic cell.
It should be noted that electrokinetic cell provides electric energy for the motor in electric automobile, being must can not in electric automobile
Few part.The embodiment of the present invention uses high voltage power supply of the electrokinetic cell as buck DC/DC converters, reasonably make use of
Intrinsic resource on electric automobile, reduces unnecessary waste.
Certainly, high voltage power supply 1 herein can also select other kinds of high voltage power supply 1, such as high tension battery etc., sheet
Invention does not limit herein.
As a kind of preferred embodiment, low-voltage power supply system also includes：
Flow equalizing circuit 6, the electricity exported for balanced buck DC/DC converters 2 and low tension battery 4 to low-voltage load
Stream.
Specifically, flowing electric current uses advanced two-way parallel current-sharing, limited current algorithm, power supply performance is greatly improved,
It ensure that buck DC/DC converters 2 are stably powered with low tension battery 4 for low-voltage load, add the use of each several part
Life-span.
Certainly, the species of flow equalizing circuit has a lot, can choose as needed, and the present invention does not limit herein.
As a kind of preferred embodiment, low-voltage power supply system also includes：
First end is connected with buck DC/DC converters 2 and flow equalizing circuit 6 respectively, and the second end is connected with low tension battery 4
BMS 7, for being managed to the charging and discharging currents of low tension battery 4, prevent low tension battery 4 is overcharged and crossed from putting.
Specifically, BMS 7 manages the charge and discharge process of low tension battery 4, prevent it overcharges or crossed from putting, extend low pressure storage
The service life of battery.
In order to solve the above-mentioned technical problem, present invention also offers a kind of electric automobile, including such as above-mentioned any one
Low-voltage power supply system.
Above-described embodiment is refer on a kind of introduction of electric automobile provided by the present invention, the present invention is no longer superfluous herein
State.
It should also be noted that, in this manual, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. a kind of low-voltage power supply system applied to electric automobile, it is characterised in that including high voltage power supply, buck direct current/straight
DC/DC converters, low tension battery and reverse isolation device are flowed, wherein：
The input of the buck DC/DC converters is connected with the high voltage power supply, the buck DC/DC converters it is defeated
Go out end to be connected with the first end of the reverse isolation device, the second end of the reverse isolation device respectively with the low pressure electric power storage
Pond and low-voltage load connection；
The buck DC/DC converters are used to the high voltage direct current that the high voltage power supply exports being converted to low-voltage DC,
It is supplied to the low tension battery and the low-voltage load；
The reverse isolation device is used for the electric current for blocking the low tension battery to flow to the buck DC/DC converters.
2. low-voltage power supply system according to claim 1, it is characterised in that the low-voltage power supply system also includes：
The current management device being connected respectively with the buck DC/DC converters and the low tension battery, for detecting
State the load current I of low-voltage load2, and according to the load current I2With the rated current I of the buck DC/DC converters1
Control the buck DC/DC converters and the low tension battery while powered for the low-voltage load.
3. low-voltage power supply system according to claim 2, it is characterised in that the current management device is specifically used for detection
The load current I of the low-voltage load2, work as I2≤I1When, the buck DC/DC converters are controlled using output current as I2To
The low-voltage load power supply, works as I2＞ I1When, control the buck DC/DC converters with the low tension battery simultaneously to institute
Low-voltage load power supply is stated, wherein, the supply current sum of the buck DC/DC converters and the low tension battery is equal to
I2。
4. low-voltage power supply system according to claim 3, it is characterised in that the control buck DC/DC conversion
The process that device and the low tension battery are powered to the low-voltage load simultaneously is specially：
Control the buck DC/DC converters to the electric current that the low-voltage load exports be I1, the low tension battery is to described
The electric current of low-voltage load output is I2-I1。
5. low-voltage power supply system according to claim 3, it is characterised in that described to work as I2≤I1When, the buck DC/
DC converters are additionally operable to charge for the low tension battery.
6. low-voltage power supply system according to claim 1, it is characterised in that the high voltage power supply is electrokinetic cell.
7. according to the low-voltage power supply system described in claim any one of 1-6, it is characterised in that the low-voltage power supply system also wraps
Include：
Flow equalizing circuit, the electricity exported for the balanced buck DC/DC converters with the low tension battery to low-voltage load
Stream.
8. low-voltage power supply system according to claim 7, it is characterised in that the low-voltage power supply system also includes：
First end is connected with the buck DC/DC converters and the flow equalizing circuit respectively, the second end and the low pressure electric power storage
The battery management system BMS of pond connection, for being managed to the charging and discharging currents of the low tension battery, prevents the low pressure
Accumulator super-charge and mistake are put.
9. a kind of electric automobile, it is characterised in that including the low-voltage power supply system described in claim any one of 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842890.4A CN107627852A (en) | 2017-09-18 | 2017-09-18 | A kind of low-voltage power supply system and electric automobile applied to electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842890.4A CN107627852A (en) | 2017-09-18 | 2017-09-18 | A kind of low-voltage power supply system and electric automobile applied to electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107627852A true CN107627852A (en) | 2018-01-26 |
Family
ID=61102967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842890.4A Pending CN107627852A (en) | 2017-09-18 | 2017-09-18 | A kind of low-voltage power supply system and electric automobile applied to electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107627852A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193833A (en) * | 2018-09-13 | 2019-01-11 | 中国汽车工程研究院股份有限公司 | A kind of electric circuit working method of new-energy automobile low tension battery benefit |
| CN112477598A (en) * | 2020-12-07 | 2021-03-12 | 安徽江淮汽车集团股份有限公司 | Electric automobile low-voltage system control method, device, equipment and storage medium |
| CN113037091A (en) * | 2019-12-24 | 2021-06-25 | 本田技研工业株式会社 | Voltage converter |
| CN113525169A (en) * | 2020-04-20 | 2021-10-22 | 中车时代电动汽车股份有限公司 | Power control device, low-voltage power supply system and motor vehicle |
| CN113968136A (en) * | 2021-10-29 | 2022-01-25 | 华人运通(江苏)技术有限公司 | Low-voltage energy control method, system, equipment and medium for electric automobile |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501770A (en) * | 2011-11-03 | 2012-06-20 | 中国科学院电工研究所 | Electrical system for pure electric vehicle |
| CN102902292A (en) * | 2012-09-29 | 2013-01-30 | 北京智行鸿远汽车技术有限公司 | Method for controlling voltage setting point of direct current high-low voltage converter of pure electromobile |
| CN104124743A (en) * | 2014-07-25 | 2014-10-29 | 株洲南车时代电气股份有限公司 | Storage battery charging device |
| CN206031107U (en) * | 2016-08-31 | 2017-03-22 | 安徽安凯汽车股份有限公司 | Electric automobile low pressure storage battery microcomputer management system |
| CN206060330U (en) * | 2016-05-12 | 2017-03-29 | 上海汽车集团股份有限公司 | Vehicle-mounted DC/DC transducers and vehicle-mounted low-voltage power supply system |
-
2017
- 2017-09-18 CN CN201710842890.4A patent/CN107627852A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102501770A (en) * | 2011-11-03 | 2012-06-20 | 中国科学院电工研究所 | Electrical system for pure electric vehicle |
| CN102902292A (en) * | 2012-09-29 | 2013-01-30 | 北京智行鸿远汽车技术有限公司 | Method for controlling voltage setting point of direct current high-low voltage converter of pure electromobile |
| CN104124743A (en) * | 2014-07-25 | 2014-10-29 | 株洲南车时代电气股份有限公司 | Storage battery charging device |
| CN206060330U (en) * | 2016-05-12 | 2017-03-29 | 上海汽车集团股份有限公司 | Vehicle-mounted DC/DC transducers and vehicle-mounted low-voltage power supply system |
| CN206031107U (en) * | 2016-08-31 | 2017-03-22 | 安徽安凯汽车股份有限公司 | Electric automobile low pressure storage battery microcomputer management system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193833A (en) * | 2018-09-13 | 2019-01-11 | 中国汽车工程研究院股份有限公司 | A kind of electric circuit working method of new-energy automobile low tension battery benefit |
| CN109193833B (en) * | 2018-09-13 | 2020-08-07 | 中国汽车工程研究院股份有限公司 | Working method of low-voltage storage battery circuit supplementing circuit of new energy automobile |
| CN113037091A (en) * | 2019-12-24 | 2021-06-25 | 本田技研工业株式会社 | Voltage converter |
| CN113037091B (en) * | 2019-12-24 | 2024-02-09 | 本田技研工业株式会社 | Voltage conversion device |
| CN113525169A (en) * | 2020-04-20 | 2021-10-22 | 中车时代电动汽车股份有限公司 | Power control device, low-voltage power supply system and motor vehicle |
| CN112477598A (en) * | 2020-12-07 | 2021-03-12 | 安徽江淮汽车集团股份有限公司 | Electric automobile low-voltage system control method, device, equipment and storage medium |
| CN113968136A (en) * | 2021-10-29 | 2022-01-25 | 华人运通(江苏)技术有限公司 | Low-voltage energy control method, system, equipment and medium for electric automobile |
| CN113968136B (en) * | 2021-10-29 | 2023-11-10 | 华人运通(江苏)技术有限公司 | Low-voltage energy control method, system, equipment and medium for electric automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107627852A (en) | A kind of low-voltage power supply system and electric automobile applied to electric automobile | |
| US11273718B2 (en) | Electric vehicle battery charger | |
| WO2018028518A1 (en) | Electric vehicle energy management system, control method therefor, and electric vehicle | |
| CN107069695B (en) | A kind of mixed energy storage system and its control method based on double active full-bridge converters | |
| CN102195506B (en) | The system and method for inactive matrix converter | |
| CN103633842B (en) | A kind of Single switch oppositely exports secondary molded breadth gain changer | |
| CN203658549U (en) | Power battery detection device and power battery detection system including same | |
| CN104079029B (en) | Electric energy feedback type battery charging and discharging and partial volume equipment | |
| CN105576731A (en) | Vehicle-mounted charging and inversion bidirectional AC power supply system | |
| CN106385101B (en) | Method and device for realizing power supply of high-power elevator automatic rescue device | |
| TW201822428A (en) | A bidirectional vehicle-mounted charge and discharge system and its methods | |
| CN203491707U (en) | Energy storage system based on cascade utilization of power battery | |
| US20220200303A1 (en) | Portable power supply | |
| CN107895982A (en) | Charging/discharging apparatus, method and device | |
| CN111231703B (en) | Charging and discharging control method and charging and discharging system for charging pile | |
| WO2010140217A1 (en) | Power supply system | |
| CN108539841A (en) | Combination DC-DC converter for hybrid power source system | |
| CN203734364U (en) | Light storage mixing system | |
| CN102624016A (en) | Bidirectional energy flowing flow battery energy storage grid connection device and control method thereof | |
| US9472980B2 (en) | Integrated buck/boost battery management for power storage and delivery | |
| CN113036831B (en) | Control method and device of charging system | |
| CN103091635A (en) | Energy feedback type power battery testing system | |
| CN105048596A (en) | Hybrid charging and discharging control device for storage battery packs | |
| CN109428384A (en) | A kind of backup power supply system of AC power supply device, circuit board and standby method for electrically | |
| WO2013031934A1 (en) | Interconnected power system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180126 |