CN207360101U - A kind of electric automobile wake-up circuit - Google Patents

A kind of electric automobile wake-up circuit Download PDF

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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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CN
China
Prior art keywords
switch
relay
management system
wake
electric automobile
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.)
Expired - Fee Related
Application number
CN201720837587.0U
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Chinese (zh)
Inventor
曹灵云
吴桂新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Anding New Energy Technology Development Co., Ltd.
Original Assignee
Shenzhen OptimumNano Energy Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Priority to CN201720837587.0U priority Critical patent/CN207360101U/en
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Publication of CN207360101U publication Critical patent/CN207360101U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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

A kind of electric automobile wake-up circuit
【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)

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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.
  8. 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.
CN201720837587.0U 2017-07-11 2017-07-11 A kind of electric automobile wake-up circuit Expired - Fee Related CN207360101U (en)

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

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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

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CN207360101U true CN207360101U (en) 2018-05-15

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Cited By (5)

* Cited by examiner, † Cited by third party
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
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

Cited By (8)

* Cited by examiner, † Cited by third party
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

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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