CN103779890A - Vehicle charging and emergency power supply system based on electric vehicle and control method thereof - Google Patents

Vehicle charging and emergency power supply system based on electric vehicle and control method thereof Download PDF

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Publication number
CN103779890A
CN103779890A CN201310746706.8A CN201310746706A CN103779890A CN 103779890 A CN103779890 A CN 103779890A CN 201310746706 A CN201310746706 A CN 201310746706A CN 103779890 A CN103779890 A CN 103779890A
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CN
China
Prior art keywords
relay
control unit
electrokinetic cell
electric automobile
charge
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
Application number
CN201310746706.8A
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Chinese (zh)
Inventor
茅园
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.)
JIANGSU JIAYU NEW POWER TECHNOLOGY Co Ltd
Original Assignee
JIANGSU JIAYU NEW POWER TECHNOLOGY 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
Publication date
Application filed by JIANGSU JIAYU NEW POWER TECHNOLOGY Co Ltd filed Critical JIANGSU JIAYU NEW POWER TECHNOLOGY Co Ltd
Priority to CN201310746706.8A priority Critical patent/CN103779890A/en
Publication of CN103779890A publication Critical patent/CN103779890A/en
Pending legal-status Critical Current

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Abstract

The present invention discloses a vehicle charging and emergency power supply system based on an electric vehicle and a control method thereof. The vehicle charging and emergency power supply system comprises a power battery and a charging loop, and furthermore comprises the components of: a control unit, an emergency signal triggering module, a socket current detecting module, a battery electric-amount acquiring module, a discharging loop, a first relay, a second relay, a third relay and a fourth relay; wherein the emergency signal triggering module, the socket current detecting module, the battery electric-amount acquiring module, the discharging loop, the first relay, the second relay, the third relay and the fourth relay are respectively connected with the control unit. The control unit is furthermore connected with the charging loop. The power battery is connected with the input end of the discharging loop through the third relay. The output end of the discharging loop is connected with an electric vehicle socket through the first relay. The electric vehicle socket is connected with the input end of the charging loop through the second relay. The output end of the charging loop is connected with the power battery through the fourth relay. The control unit controls action of the first relay, the second relay, the third relay and the fourth relay and operation states of the charging loop and the discharging loop according to an acquired signal. The vehicle charging and emergency power supply system based on the electric vehicle and the control method thereof have functions of: widening use function of the electric vehicle, and improving applicability of the electric vehicle.

Description

A kind of vehicle-mounted charge and emergency power supply system and control method based on electric automobile
Technical field
The invention belongs to power electronic technology, particularly a kind of vehicle-mounted charge and emergency power supply system and control method based on electric automobile.
Background technology
Along with the global energy crisis day by day closing on, the New-energy electric vehicle of energy-conserving and environment-protective has progressively entered people's life, becomes a kind of trend of future life.The charging of the electrokinetic cell of electric automobile has vehicular and two kinds of charge modes of non-vehicle-mounted type, the charging device of vehicular charging moves with car, use flexibly, have arbitrarily the place of civil power to charge, facilitated greatly the demand of people to charging electric vehicle.
Tradition Vehicular charger is that civil power is converted to direct current, is power battery charging, and function is relatively single, makes the function of electric automobile have certain limitation.
Summary of the invention
The technical problem existing in order to solve above-mentioned background technology, the present invention aims to provide a kind of vehicle-mounted charge and emergency power supply system based on electric automobile, thereby has expanded the function of electric automobile, easy for people to use.
In order to realize above-mentioned technical purpose, technical scheme of the present invention is:
A kind of vehicle-mounted charge and emergency power supply system based on electric automobile, comprise electrokinetic cell and charge circuit, emergency signal trigger module, socket current detection module, battery electric quantity acquisition module, discharge loop and first~four relay that this system also comprises control unit and is attached thereto respectively, control unit also connects charge circuit; Electrokinetic cell is connected with the input of discharge loop through the 3rd relay, and the output of discharge loop is connected with electric automobile socket through the first relay; Electric automobile socket is connected with the input of charge circuit through the second relay, and the output of charge circuit is connected through the 4th relay and electrokinetic cell; Control unit detects the triggering signal of emergency signal trigger module, and gathering the electric quantity signal of electrokinetic cell and the electric current of electric automobile socket letter by socket current detection module and battery electric quantity acquisition module respectively, control unit is controlled the operating state of the first~four actuating of relay and charge circuit and discharge loop according to the signal collecting.
Above-mentioned control unit has also connected display, for showing the dump energy of electrokinetic cell.
The present invention also comprises for above-mentioned a kind of vehicle-mounted charge based on electric automobile and the control method of emergency power supply system, comprises following steps:
The first step: control unit gathers respectively the dump energy of emergency signal trigger module triggering signal, electrokinetic cell and the current signal of electric automobile socket;
Second step: when control unit detect dump energy that emergency signal trigger module sends triggering signal, electrokinetic cell higher than the discharge threshold of setting and electric automobile socket without city's signal of telecommunication, control unit control the first relay and the 3rd relay closes, and control unit enables discharge loop, system enters discharge mode, and electrokinetic cell is to need the power supply of the equipment of electricity consumption by the power supply of electric automobile socket; When the dump energy that emergency signal trigger module Triggerless, electrokinetic cell detected has city's signal of telecommunication lower than charge threshold and the electric automobile socket set, control unit control the second relay and the 4th relay closes, and control unit enables charge circuit, system enters charge mode, and it is power battery charging that electric automobile socket is got civil power;
The 3rd step: when system is during in discharge mode, the electric weight that control unit detects electrokinetic cell less than or equal to set discharge threshold time, control unit control the first relay and the 3rd relay disconnect, system exits discharge mode; When system is under charge mode, the electric weight that control unit detects electrokinetic cell greater than or equal to set charge threshold time, control unit control the second relay and the 4th relay disconnect, system exits charge mode.
The beneficial effect that adopts technique scheme to bring is:
(1) the present invention has expanded the use function of electric automobile, and making electric automobile is not only traditional vehicles, or the energy storage device of family, has strengthened the applicability of electric automobile, has enriched the performance of electric automobile;
(2) the present invention has perfect defencive function, and control unit detects electric automobile socket and has or not the SOC of civil power, electrokinetic cell and the state of emergency button, can prevent battery cross put, people's fault such as be misoperation;
(3) charge circuit of the present invention and discharge loop adopt two cover circuit structures, are easy to realize; Between two cover circuit, disconnect with relay, electric separating, to guarantee personal safety and the safety of electrokinetic cell.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is elaborated.
Structural representation of the present invention as shown in Figure 1, a kind of vehicle-mounted charge and emergency power supply system based on electric automobile, comprise electrokinetic cell and charge circuit, emergency signal trigger module, socket current detection module, battery electric quantity acquisition module, discharge loop and first~four relay that this system also comprises control unit and is attached thereto respectively, control unit also connects charge circuit; Electrokinetic cell is connected with the input of discharge loop through the 3rd relay, and the output of discharge loop is connected with electric automobile socket through the first relay; Electric automobile socket is connected with the input of charge circuit through the second relay, and the output of charge circuit is connected through the 4th relay and electrokinetic cell; Control unit detects the triggering signal of emergency signal trigger module, and gathering the electric quantity signal of electrokinetic cell and the electric current of electric automobile socket letter by socket current detection module and battery electric quantity acquisition module respectively, control unit is controlled the operating state of the first~four actuating of relay and charge circuit and discharge loop according to the signal collecting.In the present embodiment, control unit has also connected display, for showing the dump energy of electrokinetic cell.
Operation principle of the present invention is: under normality, the first~four relay is all in off-state.Emergent trigger module is provided with trigger switch, in the time that user needs electrokinetic cell to power to external equipment, presses trigger switch, emergent trigger module sends lasting triggering signal to control unit, control unit detects the dump energy of electrokinetic cell and the current signal of electric automobile socket, only send triggering signal at emergent trigger module, the dump energy of electrokinetic cell is higher than discharge threshold, when the charging socket of electric automobile meets without civil power simultaneously, control unit is just controlled the first relay and the 3rd relay adhesive, and enable discharge loop and outwards discharge, system enters discharge mode, in this process, the dump energy of control system cycle detection electrokinetic cell, in the time that the dump energy of electrokinetic cell is equal to or less than the discharge threshold of setting, control system stops the electric discharge of discharge loop, disconnect the first relay and the second relay, system exits discharge mode.
The dump energy that emergency signal trigger module Triggerless, electrokinetic cell detected when control unit has city's signal of telecommunication lower than charge threshold and the electric automobile socket set, control unit control the second relay and the 4th relay closes, and control unit enables charge circuit, system enters charge mode, and it is power battery charging that electric automobile socket is got civil power.In this process, the dump energy of control system cycle detection electrokinetic cell, the electric weight that control unit detects electrokinetic cell greater than or equal to set charge threshold time, control unit control the second relay and the 4th relay disconnect, system exits charge mode.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection range of the present invention.

Claims (3)

1. vehicle-mounted charge and the emergency power supply system based on electric automobile, comprise electrokinetic cell and charge circuit, it is characterized in that: emergency signal trigger module, socket current detection module, battery electric quantity acquisition module, discharge loop and first~four relay that this system also comprises control unit and is attached thereto respectively, control unit also connects charge circuit; Electrokinetic cell is connected with the input of discharge loop through the 3rd relay, and the output of discharge loop is connected with electric automobile socket through the first relay; Electric automobile socket is connected with the input of charge circuit through the second relay, and the output of charge circuit is connected through the 4th relay and electrokinetic cell; Control unit detects the triggering signal of emergency signal trigger module, and gathering the electric quantity signal of electrokinetic cell and the electric current of electric automobile socket letter by socket current detection module and battery electric quantity acquisition module respectively, control unit is controlled the operating state of the first~four actuating of relay and charge circuit and discharge loop according to the signal collecting.
2. a kind of vehicle-mounted charge and emergency power supply system based on electric automobile according to claim 1, is characterized in that: described control unit has also connected display, for showing the dump energy of electrokinetic cell.
3. the vehicle-mounted charge based on electric automobile and the control method of emergency power supply system for a kind of described in claim 1 or 2, is characterized in that, comprises following steps:
The first step: control unit gathers respectively the dump energy of emergency signal trigger module triggering signal, electrokinetic cell and the current signal of electric automobile socket;
Second step: when control unit detect dump energy that emergency signal trigger module sends triggering signal, electrokinetic cell higher than the discharge threshold of setting and electric automobile socket without city's signal of telecommunication, control unit control the first relay and the 3rd relay closes, and control unit enables discharge loop, system enters discharge mode, and electrokinetic cell is to need the power supply of the equipment of electricity consumption by the power supply of electric automobile socket; When the dump energy that emergency signal trigger module Triggerless, electrokinetic cell detected has city's signal of telecommunication lower than charge threshold and the electric automobile socket set, control unit control the second relay and the 4th relay closes, and control unit enables charge circuit, system enters charge mode, and it is power battery charging that electric automobile socket is got civil power;
The 3rd step: when system is during in discharge mode, the electric weight that control unit detects electrokinetic cell less than or equal to set discharge threshold time, control unit control the first relay and the 3rd relay disconnect, system exits discharge mode; When system is under charge mode, the electric weight that control unit detects electrokinetic cell greater than or equal to set charge threshold time, control unit control the second relay and the 4th relay disconnect, system exits charge mode.
CN201310746706.8A 2013-12-31 2013-12-31 Vehicle charging and emergency power supply system based on electric vehicle and control method thereof Pending CN103779890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310746706.8A CN103779890A (en) 2013-12-31 2013-12-31 Vehicle charging and emergency power supply system based on electric vehicle and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310746706.8A CN103779890A (en) 2013-12-31 2013-12-31 Vehicle charging and emergency power supply system based on electric vehicle and control method thereof

Publications (1)

Publication Number Publication Date
CN103779890A true CN103779890A (en) 2014-05-07

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106026346A (en) * 2016-05-16 2016-10-12 国网北京市电力公司 Emergency power supply method, device and system
CN111002827A (en) * 2019-12-30 2020-04-14 深圳一清创新科技有限公司 Unmanned vehicle power supply system and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104160A (en) * 1997-12-10 2000-08-15 Nissan Motor Co., Ltd. Household power supply system using electric vehicle
CN1765648A (en) * 2004-10-26 2006-05-03 龚振平 Multifunctional electric motion power supply capable of used for emergency power supply device
CN101976867A (en) * 2010-10-21 2011-02-16 中山大学 Special power battery management system for electric vehicle and implementation method thereof
CN103187769A (en) * 2011-12-31 2013-07-03 比亚迪股份有限公司 Electric automobile and discharging device thereof
CN203787986U (en) * 2013-12-31 2014-08-20 江苏嘉钰新能源技术有限公司 Vehicle-mounted charging and emergency power supply system based on electric automobile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6104160A (en) * 1997-12-10 2000-08-15 Nissan Motor Co., Ltd. Household power supply system using electric vehicle
CN1765648A (en) * 2004-10-26 2006-05-03 龚振平 Multifunctional electric motion power supply capable of used for emergency power supply device
CN101976867A (en) * 2010-10-21 2011-02-16 中山大学 Special power battery management system for electric vehicle and implementation method thereof
CN103187769A (en) * 2011-12-31 2013-07-03 比亚迪股份有限公司 Electric automobile and discharging device thereof
CN203787986U (en) * 2013-12-31 2014-08-20 江苏嘉钰新能源技术有限公司 Vehicle-mounted charging and emergency power supply system based on electric automobile

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106026346A (en) * 2016-05-16 2016-10-12 国网北京市电力公司 Emergency power supply method, device and system
CN106026346B (en) * 2016-05-16 2019-05-24 国网北京市电力公司 Emergency service method and apparatus and system
CN111002827A (en) * 2019-12-30 2020-04-14 深圳一清创新科技有限公司 Unmanned vehicle power supply system and control method thereof
CN111002827B (en) * 2019-12-30 2021-07-23 深圳一清创新科技有限公司 Unmanned vehicle power supply system and control method thereof

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Application publication date: 20140507