CN207360101U - A kind of electric automobile wake-up circuit - Google Patents
A kind of electric automobile wake-up circuit Download PDFInfo
- Publication number
- CN207360101U CN207360101U CN201720837587.0U CN201720837587U CN207360101U CN 207360101 U CN207360101 U CN 207360101U CN 201720837587 U CN201720837587 U CN 201720837587U CN 207360101 U CN207360101 U CN 207360101U
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- China
- Prior art keywords
- switch
- relay
- management system
- wake
- electric automobile
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- 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.)
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- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A kind of electric automobile wake-up circuit, including battery pack, storage battery group, the first relay, the second relay, voltage conversion unit, battery management system, entire car controller and charging socket；The battery pack is connected with the voltage conversion unit and the battery management system；The storage battery group is connected with the voltage conversion unit, and is connected by second relay with the entire car controller and the voltage conversion unit, is also connected by first relay with the battery management system；The charging socket is connected with first relay；The electric automobile wake-up circuit integrates charging arousal function with driving arousal function, circuit structure is become simple, reduces cost, improves security performance.
Description
【Technical field】
It the utility model is related to electric vehicle engineering field, more particularly to a kind of electric automobile wake-up circuit.
【Background technology】
At present, electric automobile is gradually promoted and will had broad prospects in future.Electric automobile cost, lightweight
It is its quick an important factor for popularizing of restriction all the time with the problems such as charging.Using filling during the charging of in the market many electric automobiles
The low tension of electric stake powers vehicle for a long time, and after new charging pile national standard is put into effect now, the low pressure piezoelectric voltage of charging pile is
12V, can not directly use the system of electric motor coach and high capacity waggon vehicle 24V low tensions.When electric automobile stops, battery
Management system is needed in power-off or low power consumpting state, to ensure that it is next time whole that low tension battery can have enough electricity to carry out
Car powers on wake-up.And when charging when vehicle is powered off to vehicle, it is necessary to open manually key wake up battery management system, fill
Electric process is cumbersome.Need to realize two kinds of circuits in the case where charging and driving a vehicle two kinds of situations, complex circuit, level of security is low, of high cost.
In consideration of it, it is really necessary to provide a kind of new electric automobile wake-up circuit to overcome disadvantages described above.
【Utility model content】
The purpose of this utility model be to provide one kind can at the same time be suitable for 12V/24V charging piles and will charging arousal function with
The electric automobile wake-up circuit that driving arousal function integrates.
To achieve these goals, the utility model provides a kind of electric automobile wake-up circuit, and the electric automobile wakes up
Circuit includes storage battery group, charging socket, voltage conversion unit, entire car controller, battery management system, the first relay and the
Two relays；The storage battery group passes through first relay and the battery management system and the second relay phase
Even, and it is connected by second relay with the voltage transformation module and the entire car controller, first relay
It is additionally operable to receive ON gear signals, and is connected with the charging socket；When first relay receives the ON gears signal,
The ON gears signal is transferred to the battery management system and second relay by first relay, to wake up
Battery management system is stated to work and close second relay；When first relay, to receive the charging socket defeated
During the low-voltage gone out, the low tension of the storage battery group output is transferred to the battery management system by first relay
And second relay, work to wake up the battery management system and close second relay；When described second
When relay closes, the low tension of the storage battery group output is transferred to the voltage transformation module by second relay
And the entire car controller, worked with waking up the voltage transformation module and the entire car controller.
Further, first relay includes first switch and first coil, and second relay includes second
Switch and the second coil；The first end of the first switch is used to receive the ON gears signal, the second end of the first switch
It is connected with the battery management system, and is grounded by second coil, the 3rd end and the electric power storage of the first switch
Pond group is connected, and the charging socket is grounded by the first coil；The first end of the second switch and the storage battery group
It is connected, the second end of the second switch is connected with the voltage transformation module and the entire car controller；Open when described first
When the first end of pass receives the ON gears signal, the ON keeps off first end and second end of the signal by the first switch
The battery management system and second coil are transferred to, works to wake up the battery management system and makes described second to open
Close and close；When the charging socket, which exports the low pressure, supplies electricity to the first coil, the second end of the first switch and institute
The 3rd end connection of first switch is stated, the low-voltage of the storage battery group output passes through the second end of the first switch and the 3rd
End is transferred to the battery management system and second coil, works to wake up the battery management system and makes described second
Switch closure；When the second switch closes, the low tension of the storage battery group output is transferred to by the second switch
The voltage transformation module and the entire car controller, are worked with waking up the voltage transformation module and the entire car controller.
Further, when the first coil is not charged, the first end of the first switch and the first switch
Second end connects；When the first coil is powered, the second end of the first switch and the 3rd end of the first switch connect
It is logical；When second coil is not charged, the first end of the second switch and the second end of the second switch disconnect；Work as institute
State the second coil it is powered when, the first end of the second switch is connected with the 3rd end of the second switch.
Further, the voltage of the low tension is in first relay and the operating voltage model of second relay
In enclosing.
Further, the voltage of the low tension is 12V.
Further, the voltage of the low tension is 24V.
Further, the operating voltage range of first relay and second relay is 9-36V.
Compared with the prior art, charging arousal function is integrated in by the electric automobile wake-up circuit with driving arousal function
Together, circuit structure is become simple, reduce cost, improve security performance；And the electric automobile driving wakes up electricity
Road does not use directly the low tension of charging pile to power for vehicle, and uses the storage battery group to power for vehicle, has very high
Reliability；Meanwhile the charging pile power supply of the 12V/24V under the old and new's national standard can be adapted at the same time, charging is become simple and fast.
【Brief description of the drawings】
Fig. 1 is a kind of circuit diagram for electric automobile wake-up circuit that the utility model embodiment provides.
【Embodiment】
In order to make the purpose of this utility model, technical solution and advantageous effects become apparent from understanding, below in conjunction with
Attached drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shows
So, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is new based on this practicality
Embodiment in type, the every other implementation that those of ordinary skill in the art are obtained without making creative work
Example, shall fall within the protection scope of the present invention.
When an element was considered with another element " being connected ", it can be directly to another element or
It may be simultaneously present centering elements.Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this reality
It is identical with the new normally understood implication of those skilled in the art.Made herein in the specification of the utility model
Term is intended merely to the purpose of description specific embodiment, it is not intended that in limitation the utility model.It is used herein
Term " and/or " include the arbitrary and all combinations of one or more relevant Listed Items.
A kind of referring to Fig. 1, circuit for electric automobile wake-up circuit 100 that the embodiment that Fig. 1 is the utility model provides
Figure.The electric automobile driving wake-up circuit 100 includes battery pack 10, storage battery group 20, the first relay J1, the second relay
J2, voltage conversion unit 30, battery management system 40, entire car controller 50 and charging socket 60.The battery pack 10 with it is described
Voltage conversion unit 30 and the battery management system 40 are connected.The storage battery group 20 and 30 phase of voltage conversion unit
Even, and it is connected by the second relay J2 with the entire car controller 50 and the voltage conversion unit 30, also passes through institute
The first relay J1 is stated with the battery management system 40 to be connected.The charging socket 60 is connected with the first relay J1.
The first relay J1 includes first switch K1 and first coil L1.The second relay J2 includes second
Switch K2 and the second coil L2.The first end of the first switch K1 is connected with the battery management system 40 and with described second
The first end of coil L2 is connected, and the second end of the first switch K1 is connected with ON gears signal input part I1, the first switch
The 3rd end of K1 is connected with the storage battery group 20.The first end ground connection of the first coil L1, the of the first coil L1
Two ends are connected with the charging socket 60.The first end of the second switch K2 and the entire car controller 50 and the voltage
Converting unit 30 is connected, and the second end of the second switch K2 is connected with the storage battery group 20.The second coil L2's
First end is connected with the battery management system 40, the second end ground connection of the second coil L2.In the present embodiment, institute is worked as
State first coil L1 it is powered when, the first end of the first switch K1 is connected with the 3rd end of the first switch K1.When described
When first coil L1 is not charged, the first end of the first switch K1 is connected with the second end of the first switch K1.When described
When second coil L2 is powered, second switch K2 closure, the of the first end of the second switch K2 and described two switch K2
Two ends connect.When the second coil L2 is not charged, the second switch K2 is disconnected, the second switch K2 first ends and institute
Second switch K2 second ends are stated to be off.
In the present embodiment, the battery pack 10 includes multiple battery modules, and each battery module includes multiple series connection
And/or battery cell in parallel.The storage battery group 20 includes multiple battery modules, and each battery module includes multiple strings
Connection and/or the single battery of parallel connection.During charging, the input voltage for the charging pile that the charging socket 60 connects is 12V/24V
The low tension of (i.e. 12V or 24V).Work of the voltage of the low tension in the first relay J1 and the second relay J2
Make in voltage range, the voltage of the low tension is 12V/24V, and the second relay J2 is that operating voltage is 9V to 36V
Wide cut relay.
A kind of operation principle of electric automobile wake-up circuit 100 of the utility model will be illustrated below.
When starting electric automobile by key and entering drive mode, described in the second end of the first switch K1 receives
The ON gear signals of input terminal I1.Being driven a vehicle and charged due to electric automobile to be carried out at the same time, the charging socket 60 at this time
Not connected charging pile, the first coil L1 being connected with the charging socket 60 are not charged.The first end of the first switch K1 with
The second end connection of the first switch K1, the ON gear signals are passed by the first end and second end of the first switch K1
The battery management system 40 is defeated by, the battery management system 40 is waken up.ON gear electric signal also passes through described the
The first end that the first end and second end of one switch K1 is transferred to the first switch K1 makes the second coil L2 powered.It is described
Second switch K2 first ends are connected with the second end of the second switch K2.The storage battery group 20 is institute by second switch K2
State voltage conversion unit 30 and the entire car controller 50 is powered and waken up, the voltage conversion unit 30 and the full-vehicle control
Device 50 is started to work.The low tension that the high-voltage electricity of the battery pack 10 is transformed into 12V/24V by the voltage conversion unit 30 supplies
The charging of storage battery group 20 and the low pressure electricity consumption of electric automobile, reduce the storage battery group 20 uses electric consumption, prevents institute
20 overdischarge of storage battery group is stated, improves security performance.
When electric automobile, which is in off-position, to be needed to charge to battery pack 10, the connection of battery socket 60 is filled
Electric stake.The low tension of charging pile input 12V/24V is powered by the charging socket 60 to the first coil L1, and described first
Coil L1 is powered, and the first end of the first switch K1 is connected with the 3rd end of the first switch K1, the storage battery group 20
Powered by the first end of the first switch K1 and the 3rd end for the battery management system 40 and by the battery management system
System 40, which wakes up, makes its work.The storage battery group 20 is described second also by the first end of the first switch K1 and the 3rd end
Coil L2 powers, and the second coil L2 is powered, the second end of the first end of the second switch K2 and the second switch K2
Connection.The storage battery group 20 is supplied by the second switch K2 for the voltage conversion unit 30 and the entire car controller 50
Electric and wake-up makes the voltage conversion unit 30 and the entire car controller 50 work.After the voltage conversion unit 30 is waken up
The low tension that the high-voltage electricity of the battery pack 10 is changed into 12V/24V is powered for the storage battery group 20 and vehicle.
Wherein, the battery management system 40 is the knob between the battery pack 10 and the storage battery group 20 and user
Band, it is possible to increase the utilization rate of the battery pack 10 and the storage battery group 20, prevents the battery pack 10 and the storage battery
Group 20 occurs overcharging and over-discharge, extends the service life of the battery pack 10 and the storage battery group 20, monitors institute
State the state of battery pack 10 and the storage battery group 20.The voltage conversion unit 30 is to turn the high-voltage electricity of the battery pack 10
It is changed into low tension to power for the storage battery group 20.The entire car controller 50 is the core control part of whole electric automobile,
Control the action of each Parts Controller of lower floor.The entire car controller 50 is also by gathering driver driving signal and vehicle shape
State, after judgement is handled, sends the operating status control instruction of vehicle, and control car to dynamical system, electrokinetic cell system
Carry the operating mode of accessory electrical power system.The entire car controller 50 also has the protection of Full Vehicle System fault diagnosis with storing work(
Energy.
The electric automobile wake-up circuit 100 integrates charging arousal function with driving arousal function, makes circuit
Structure becomes simple, reduces cost, improves security performance.And the electric automobile wake-up circuit 100 is not adopted directly
It is that vehicle is powered with the low tension of charging pile, and uses the storage battery group 20 to power for vehicle, there is very high reliability.Together
When, the charging pile power supply of the 12V/24V under the old and new's national standard can be adapted at the same time, charging is become simple and fast.
The utility model is not restricted to described in description and embodiments, thus for familiar field personnel and
Additional advantage and modification is easily achieved in speech, therefore in the universal limited without departing substantially from claim and equivalency range
In the case of spirit and scope, the utility model be not limited to specific details, representational equipment and shown here as with description
Examples shown.
Claims (8)
- A kind of 1. electric automobile wake-up circuit, it is characterised in that：The electric automobile wake-up circuit includes storage battery group, charging is inserted Seat, voltage conversion unit, entire car controller, battery management system, the first relay and the second relay；The storage battery group is led to First relay is crossed with the battery management system with second relay to be connected, and by second relay with The voltage transformation module and the entire car controller are connected, first relay be additionally operable to receive ON gear signal, and with institute Charging socket is stated to be connected；When first relay receives the ON gears signal, the ON gears signal passes through described first Relay is transferred to the battery management system and second relay, works to wake up the battery management system and makes institute State the second relay closure；When first relay receives the low-voltage of the charging socket output, the storage battery The low tension of group output is transferred to the battery management system and second relay by first relay, to wake up The battery management system works and closes second relay；When second relay closes, the storage battery The low tension of group output is transferred to the voltage transformation module and the entire car controller by second relay, to wake up The voltage transformation module and entire car controller work.
- A kind of 2. electric automobile wake-up circuit as claimed in claim 1, it is characterised in that：First relay includes first Switch and first coil, second relay include second switch and the second coil；The first end of the first switch is used for The ON gears signal is received, the second end of the first switch is connected with the battery management system, and passes through second line Circle ground connection, the 3rd end of the first switch are connected with the storage battery group, and the charging socket is connect by the first coil Ground；The first end of the second switch is connected with the storage battery group, the second end of the second switch and the voltage conversion Module and the entire car controller are connected；When the first end of the first switch receives the ON gears signal, the ON gears Signal is transferred to the battery management system and second coil by the first end and second end of the first switch, to call out The battery management system of waking up works and closes the second switch；Described in being supplied electricity to when the charging socket output low pressure During first coil, the second end of the first switch is connected with the 3rd end of the first switch, the storage battery group output Low-voltage is transferred to the battery management system and second coil by the second end and the 3rd end of the first switch, with The battery management system is waken up to work and close the second switch；When the second switch closes, the storage battery The low tension of group output is transferred to the voltage transformation module and the entire car controller by the second switch, to wake up State voltage transformation module and entire car controller work.
- A kind of 3. electric automobile wake-up circuit as claimed in claim 2, it is characterised in that：When the first coil is not charged When, the first end of the first switch is connected with the second end of the first switch；When the first coil is powered, described The second end of one switch is connected with the 3rd end of the first switch；When second coil is not charged, the second switch The second end of first end and the second switch disconnect；When second coil is powered, the first end of the second switch Connected with the 3rd end of the second switch.
- A kind of 4. electric automobile wake-up circuit as claimed in claim 3, it is characterised in that：The electric automobile wake-up circuit is also Including battery pack, the battery pack is connected by the voltage conversion unit with the storage battery group, the voltage conversion unit The high-voltage electricity that the battery pack exports is changed into low tension, and is the battery charging with the low tension.
- A kind of 5. electric automobile wake-up circuit as claimed in claim 4, it is characterised in that：The voltage of the low tension is described In the operating voltage range of first relay and second relay.
- A kind of 6. electric automobile wake-up circuit as claimed in claim 5, it is characterised in that：The voltage of the low tension is 12V.
- A kind of 7. electric automobile wake-up circuit as claimed in claim 5, it is characterised in that：The voltage of the low tension is 24V.
- A kind of 8. electric automobile wake-up circuit as claimed in claim 5, it is characterised in that：First relay and described The operating voltage range of two relays is 9-36V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837587.0U CN207360101U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile wake-up circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837587.0U CN207360101U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile wake-up circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207360101U true CN207360101U (en) | 2018-05-15 |
Family
ID=62422521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720837587.0U Expired - Fee Related CN207360101U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile wake-up circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207360101U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879827A (en) * | 2018-06-20 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of charging system and electric car |
| CN110356263A (en) * | 2019-06-24 | 2019-10-22 | 上海伊控动力系统有限公司 | The wake-up structure and awakening method of a kind of electronic logistic car under charging scenarios |
| CN110497805A (en) * | 2018-05-17 | 2019-11-26 | 比亚迪股份有限公司 | The battery charge controller and method of electric vehicle |
| CN110626206A (en) * | 2018-05-31 | 2019-12-31 | 宁德时代新能源科技股份有限公司 | Charging wake-up device and battery system |
| CN114290900A (en) * | 2022-01-21 | 2022-04-08 | 石家庄通合电子科技股份有限公司 | BMS system power supply unit and electric automobile |
| CN114655016A (en) * | 2021-03-23 | 2022-06-24 | 北京新能源汽车股份有限公司 | Wake-up circuit, vehicle control unit, power-on and power-off control method and device |
-
2017
- 2017-07-11 CN CN201720837587.0U patent/CN207360101U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497805A (en) * | 2018-05-17 | 2019-11-26 | 比亚迪股份有限公司 | The battery charge controller and method of electric vehicle |
| CN110626206A (en) * | 2018-05-31 | 2019-12-31 | 宁德时代新能源科技股份有限公司 | Charging wake-up device and battery system |
| CN110626206B (en) * | 2018-05-31 | 2021-10-01 | 宁德时代新能源科技股份有限公司 | Charging wake-up device and battery system |
| CN108879827A (en) * | 2018-06-20 | 2018-11-23 | 浙江吉利控股集团有限公司 | A kind of charging system and electric car |
| CN110356263A (en) * | 2019-06-24 | 2019-10-22 | 上海伊控动力系统有限公司 | The wake-up structure and awakening method of a kind of electronic logistic car under charging scenarios |
| CN110356263B (en) * | 2019-06-24 | 2022-05-17 | 上海伊控动力系统有限公司 | Awakening structure and awakening method of electric logistics vehicle in charging scene |
| CN114655016A (en) * | 2021-03-23 | 2022-06-24 | 北京新能源汽车股份有限公司 | Wake-up circuit, vehicle control unit, power-on and power-off control method and device |
| CN114655016B (en) * | 2021-03-23 | 2024-01-30 | 北京新能源汽车股份有限公司 | Wake-up circuit, whole vehicle controller, power-on and power-off control method and device |
| CN114290900A (en) * | 2022-01-21 | 2022-04-08 | 石家庄通合电子科技股份有限公司 | BMS system power supply unit and electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191015 Address after: 518000 Shenyu Science and Technology Park, No. 68 Lanjingbei Road, Laokeng Community, Longtian Street, Pingshan District, Shenzhen City, Guangdong Province, 101 Patentee after: Shenzhen Anding New Energy Technology Development Co., Ltd. Address before: 518000 Guangdong Province, Shenzhen City Pingshan Pingshan community Zhu Keng Industrial Zone 9 1-3 Patentee before: Shenzhen Optimum Battery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20200711 |