CN206884773U - A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings - Google Patents
A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings Download PDFInfo
- Publication number
- CN206884773U CN206884773U CN201720560701.XU CN201720560701U CN206884773U CN 206884773 U CN206884773 U CN 206884773U CN 201720560701 U CN201720560701 U CN 201720560701U CN 206884773 U CN206884773 U CN 206884773U
- Authority
- CN
- China
- Prior art keywords
- charging
- switch
- pure electric
- low
- 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.)
- Active
Links
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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model provides a kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings, by the way that booster circuit is integrated into DC/DC modules, when charging gun output voltage is 24V, the first switch that control conducting is connected with booster circuit, it is that low pressure electricity consumption module (including battery management system, entire car controller and remote supervisory and control(ling) equipment) charges normal by charging gun；When voltage of the charging gun output for 12V, output voltage is risen to by 24V by booster circuit, powered for control unit, control unit enables DC/DC modules, and the second switch that conducting is connected with electrokinetic cell, and it is low pressure electricity consumption module for power supply to be depressured by electrokinetic cell by DC/DC modules, solve the problems, such as pure electric coach can not compatible 12V and 24V charging guns charge, make each part of charging system can normal work, meet vehicle demand, ensure that the normal operation of vehicle.
Description
Technical field
The utility model belongs to technical field of new energy, more particularly to a kind of automobile-used compatible 12V of pure electric coach with
The charging circuit of 24V chargings.
Background technology
In recent years, new-energy automobile has pollutant emission low, pollutes the features such as small, has obtained the encouragement development of country,
New-energy automobile, which turns into, solves energy crisis and the more effective approach of problem of environmental pollution, and charging system is new-energy automobile
Critical system, it is the available sources of new-energy automobile electric energy, but the construction of charging system governs the popularization of electric automobile always
And development.
Pure electric coach is developed by traditional car, inherits the 24V electric systems of traditional car, pure electric coach
Existing all electrical parts are all to use 24V electric power systems, and in charging, the charging pile or charging gun of pure electric coach are to visitor
Automobile-used low-voltage power supply is 24V.As shown in figure 1,24V charging guns and power battery management system, entire car controller and long-range prison
Control system connects, and when charging is required, charging gun connects with the socket of pure electric coach, car BMS (electrokinetic cell management
System) detection charging gun 24V power supply, entire car controller and remote monitoring system start, into vehicle charge mode, during charging,
Power supply circuit block diagram and charging modes schematic diagram difference are as depicted in figs. 1 and 2.
Country releases new energy commercial car charging scheme to further promote charging pile construction, riding with new energy
Car uses unified 12V charging guns.Fig. 1 and Fig. 2 understood, circuit during charging is formed and charging is achieved in that 24V charging
System, this charging system are no longer desirable for pure electric coach.If client location uses 12V charging gun, charging gun carries
The 12V power of confession only has 10A, is insufficient for (BMS, entire car controller and the remote monitoring system) of low-voltage electrical appliance during charging
Power demand, meanwhile, the high voltage connector that charging contactor is powered using 24V.Using 12V charging gun, charging system
Each part can not all work, and influence the normal operation of vehicle.In order to accelerate the adaptability of pure electric commercial vehicle, pure electric motor coach is improved
Car utilization rate, what research and development pure electric coach compatible 12V and 24V charging guns charged is achieved in that very necessary.
Utility model content
The purpose of this utility model is to provide a kind of automobile-used compatible 12V of pure electric coach and 24V charging circuits of charging,
For solve pure electric coach car can not compatible 12V and 24V charging guns cause that low pressure electricity consumption module power demand can not be met
Problem.
To achieve the above object, the technical solution of the utility model is：
A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V charging, including in-car high voltage dc bus and
Low-voltage direct bus, the high voltage dc bus connects electrokinetic cell, and connects the low-pressure direct by a DC/DC module
Flow bus；Also include a boost module and a control unit, the boost module at least switchs to 24V electricity for 12V voltages
Pressure；The input of the boost module connects a charging socket being used for charging gun access, the output of the boost module
The power end of end connection described control unit, and the output end of boost module connects the low pressure by a first switch (J1)
Dc bus, it is the low-voltage direct bussed supply, the first switch (J1) is used to turn on when accessing 24V charging guns,
Disconnected when accessing 12V charging guns；Also string is provided with second switch (K1) on circuit between electrokinetic cell and the DC/DC module,
The second switch (K1) is used to turn on when accessing 12V charging guns, is disconnected when accessing 24V charging guns；Described control unit
Control connects the first switch (J1), second switch (K1).
Further, the first switch is low-voltage relay, and the second switch is high voltage connector.
Further, the low-voltage direct bus is connected with low pressure electricity consumption module.
Further, the low pressure electricity consumption module includes battery management system, entire car controller and remote monitoring module.
The beneficial effects of the utility model are：
Booster circuit is integrated into by the utility model on the basis of the electricity consumption device function of original new-energy automobile is constant
DC/DC modules, when charging gun output voltage is 24V, control turns on the first switch being connected with booster circuit, is by charging gun
Low pressure electricity consumption module (including battery management system, entire car controller and remote supervisory and control(ling) equipment) charges normal；When charging gun exports
For 12V voltage when, output voltage is risen to by 24V by booster circuit, powered for control unit, control unit enables DC/
DC modules, and the second switch that conducting is connected with electrokinetic cell, it is low pressure electricity consumption mould to be depressured by electrokinetic cell by DC/DC modules
Block is powered, solve the problems, such as pure electric coach can not compatible 12V and 24V charging guns charge, make each part of charging system can
Normal work, meet vehicle demand, ensure that the normal operation of vehicle.
Brief description of the drawings
Fig. 1 is power supply circuit block diagram when 24V charging guns are pure electric coach charging in the prior art；
Fig. 2 is the charging flow figure of 24V charging guns in the prior art；
Fig. 3 is the charging circuit schematic diagram of compatible 12V of the present utility model and 24V chargings；
Fig. 4 is the flow chart of the charging method of compatible 12V of the present utility model and 24V chargings.
Embodiment
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings：
A kind of embodiment of the charging circuit of the automobile-used compatible 12V of pure electric coach of the present utility model and 24V chargings：
A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V charging, including in-car high voltage dc bus and
Low-voltage direct bus, high voltage dc bus connection electrokinetic cell, and low-voltage direct bus is connected by a DC/DC module；
The utility model is made pure on the basis of the electricity consumption device function of original pure electric coach is constant by one booster circuit of increase
Electric motor coach compatibility 12V and 24V charging guns, meet vehicle demand.As shown in figure 3, pure electric coach car of the present utility model
It is with the charging circuit of compatible 12V and 24V chargings, in addition to a boost module and a control unit, the boost module
12V/24VBOOST circuits, 12V voltages are switched into 24V voltages when accessing 12V charging guns, when accessing 24V charging guns still
Export 24V voltage.
Wherein, boost module input connect one be used for charging gun access charging socket, boost module it is defeated
Go out the power end that end is directly connected to control unit, and the output end of boost module passes through a first switch J1 connection low-voltage direct
Bus, first switch J1 are used to turn on when accessing 24V charging guns, are low-voltage direct bussed supply, when accessing 12V charging guns
Disconnect；Also string is provided with second switch K1 on circuit between electrokinetic cell and DC/DC modules, and second switch K1 is used to access
Turned on during 12V charging guns, after electrokinetic cell is depressured by DC/DC modules, for the low pressure electricity consumption mould of low-voltage direct bus connection
Block is powered, and is ensured the power demand of low pressure electricity consumption module, is disconnected when accessing 24V charging guns.
Control unit control connects the first switch J1, second switch K1, for controlling first switch J1, second switch
K1 conducting, and the enabled DC/DC modules of control unit control, make DC/DC module normal works, certain DC/DC modules can be
Intelligent artifact, its own includes controller, and the voltage of high pressure port is detected by own controller, passes through the voltage detected
Size control starts itself work.
After the socket of charging gun is connected with pure electric coach, filled by control unit test side by sensor acquisition testing
The output voltage of the socket of electric rifle, so as to control corresponding switching tube to turn on, it can also collect certainly in 12V/24VBOOST circuits
Into controller, integrated manipulator detects the output voltage of charging gun in 12V/24VBOOST circuits.
12V/24VBOOST circuits of the present utility model can integrate with control unit, and control unit can be with
DC/DC modules integrate, and also 12V/24VBOOST circuits and control unit can be all integrated in DC/DC inside modules.
First switch J1 in the present embodiment is low-voltage relay, and second switch K1 is electrokinetic cell due to connection, institute
With using high voltage connector；As other embodiment, first switch J1 can also use triode.
The flow to be charged using charging circuit of the present utility model to pure electric coach is：
After the socket of charging gun and pure electric coach connects, whether the plug in rifle signal of control unit detection is effective, if effectively,
Charging gun starts 12V/24V voltage output, if the output voltage of control unit detection charging gun is 24V, due to 12V/
Voltage after the boosting of 24VBOOST boost modules is up to 24V, then the voltage exported through 12V/24VBOOST boost modules
Still it is 24V, now control unit obtains electric, controls low-voltage relay J1 adhesives, is power battery management system, vehicle by charging gun
The low pressure electricity consumption module normal power supply such as controller and remote monitoring control module, obtain it is electric after power battery management system BMS work,
Entire car controller work, remote-monitoring controller also work.After power battery management system BMS work, detection charger work
It is whether normal, alarmed if abnormal, be power electric by the high voltage power supply of charging gun if normally by BMS adhesive charging contactors
Pond is charged, and uploads charging status information by BMS.
If control unit detects that the output voltage of charging gun is 12V, 12V/24VBOOST boost modules are defeated by charging gun
The 12V gone out charging voltage rises to 24V, because electric current corresponding to the 12V of charging gun output voltage only has 10A, is not enough to
Meet the power demand of low pressure electricity consumption module during charging, so now charging gun can not be low pressure electricity consumption module for power supply, be only
Control unit charges, it is sufficient to meets the power demand of control unit.The front end high contact of control unit control DC/DC modules
Device, and enable signal is sent to DC/DC modules, DC/DC modules is worked, the high pressure that DC/DC modules export electrokinetic cell turns
24V is changed to, is the low pressure electricity consumption moulds such as power battery management system, entire car controller and remote monitoring control module by electrokinetic cell
Block is powered, obtain it is electric after power battery management system BMS work, entire car controller work, remote-monitoring controller also works.Power
After battery management system BMS work, whether detection charger work is normal, is alarmed if abnormal, if normally being filled by BMS adhesives
Electric contactor, it is power battery charging by the high voltage power supply of charging gun, and charging status information is uploaded by BMS.
Specific embodiment is presented above, but the utility model is not limited to embodiment described above.This
The basic ideas of utility model are above-mentioned basic scheme, for those of ordinary skill in the art, according to of the present utility model
Teaching, design the models of various modifications, formula, parameter and creative work need not be spent.The utility model is not being departed from
Principle and spirit in the case of to embodiment carry out change, modification, replacement and modification still fall within guarantor of the present utility model
In the range of shield.
Claims (4)
1. the charging circuit of a kind of automobile-used compatible 12V of pure electric coach and 24V charging, including in-car high voltage dc bus and low
Dc bus is pressed, the high voltage dc bus connects electrokinetic cell, and connects the low-voltage direct by a DC/DC module
Bus；Characterized in that, also including a boost module and a control unit, the boost module is at least used for 12V voltages
Switch to 24V voltages；The input of the boost module connects a charging socket being used for charging gun access, the boosting mould
The power end of the output end connection described control unit of block, and the output end of boost module is connected by a first switch (J1)
The low-voltage direct bus, is the low-voltage direct bussed supply, and the first switch (J1) is used for when accessing 24V charging guns
Conducting, disconnects when accessing 12V charging guns；Also string is opened provided with second on circuit between electrokinetic cell and the DC/DC module
Close (K1), the second switch (K1) is used to turn on when accessing 12V charging guns, is disconnected when accessing 24V charging guns；The control
Unit control processed connects the first switch (J1), second switch (K1).
2. the charging circuit of the automobile-used compatible 12V of pure electric coach according to claim 1 and 24V chargings, it is characterised in that
The first switch is low-voltage relay, and the second switch is high voltage connector.
3. the charging circuit of the automobile-used compatible 12V of pure electric coach according to claim 1 and 24V chargings, it is characterised in that
The low-voltage direct bus is connected with low pressure electricity consumption module.
4. the charging circuit of the automobile-used compatible 12V of pure electric coach according to claim 3 and 24V chargings, it is characterised in that
The low pressure electricity consumption module includes battery management system, entire car controller and remote monitoring module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560701.XU CN206884773U (en) | 2017-05-18 | 2017-05-18 | A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720560701.XU CN206884773U (en) | 2017-05-18 | 2017-05-18 | A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206884773U true CN206884773U (en) | 2018-01-16 |
Family
ID=61342535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720560701.XU Active CN206884773U (en) | 2017-05-18 | 2017-05-18 | A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206884773U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108494029A (en) * | 2018-02-28 | 2018-09-04 | 北京国能电池科技股份有限公司 | The method of supplying power to of high-tension battery packet and interior electrical equipment |
| CN108944481A (en) * | 2017-05-18 | 2018-12-07 | 郑州宇通客车股份有限公司 | A kind of charging circuit and method of the automobile-used compatible 12V of pure electric coach and 24V charging |
| CN110370962A (en) * | 2018-04-10 | 2019-10-25 | 郑州宇通客车股份有限公司 | A kind of on-board charging system and automobile |
| CN112140906A (en) * | 2019-06-28 | 2020-12-29 | 郑州宇通客车股份有限公司 | Vehicle and power supply control method and device thereof in charging state |
-
2017
- 2017-05-18 CN CN201720560701.XU patent/CN206884773U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944481A (en) * | 2017-05-18 | 2018-12-07 | 郑州宇通客车股份有限公司 | A kind of charging circuit and method of the automobile-used compatible 12V of pure electric coach and 24V charging |
| CN108494029A (en) * | 2018-02-28 | 2018-09-04 | 北京国能电池科技股份有限公司 | The method of supplying power to of high-tension battery packet and interior electrical equipment |
| CN110370962A (en) * | 2018-04-10 | 2019-10-25 | 郑州宇通客车股份有限公司 | A kind of on-board charging system and automobile |
| CN112140906A (en) * | 2019-06-28 | 2020-12-29 | 郑州宇通客车股份有限公司 | Vehicle and power supply control method and device thereof in charging state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204557082U (en) | Pure electric vehicle controller power waken system and power supply wake-up circuit | |
| CN206884773U (en) | A kind of charging circuit of the automobile-used compatible 12V of pure electric coach and 24V chargings | |
| CN105365593A (en) | Charge connection device for electric vehicle, and control method thereof | |
| CN207345508U (en) | A kind of pure electric automobile high voltage control box device | |
| CN203014409U (en) | Automatic charging system for electric automobile storage battery | |
| CN108909494A (en) | A kind of charging system and electric car | |
| CN105207302A (en) | Flexible charging method and charger of electric car | |
| CN106558902B (en) | Charging circuit and charging method for electric automobile | |
| CN207490551U (en) | A kind of electric vehicle loop of power circuit and battery management system and its power supply circuit | |
| CN108944481A (en) | A kind of charging circuit and method of the automobile-used compatible 12V of pure electric coach and 24V charging | |
| CN204870587U (en) | Electricelectric motor car vehicle mounted power and mobile unit's power supply structure | |
| CN105416069B (en) | A kind of power supply for electric car | |
| CN204376500U (en) | Charging system for electric automobile | |
| CN207488848U (en) | A kind of DC charging motor with charging gun temperature monitoring module | |
| CN201805259U (en) | Power supply source of lithium ion battery pack | |
| CN110466387A (en) | A kind of integrated power battery management system | |
| CN108501725B (en) | Control system and control method for electric vehicle high-voltage bin contactor | |
| CN207743713U (en) | Direct current mobile charging stake | |
| CN203218899U (en) | Intelligent charging system of electric automobile accessory battery | |
| CN202923413U (en) | Alternating current (AC) and direct current (DC) charging low voltage power supply control system for full electric vehicle | |
| CN110281816A (en) | A kind of integrated BMS system of fuel cell car | |
| CN206012359U (en) | A kind of intelligent charging spot | |
| CN107719126B (en) | High-voltage control device of plug-in hybrid electric vehicle and high-voltage electrifying method thereof | |
| CN107826065A (en) | A kind of electric automobile direct-current charge port electricity getting system | |
| CN211032213U (en) | Direct current fills electric pile low-power consumption control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |