CN203086163U - Power supply system used for electric car - Google Patents

Power supply system used for electric car Download PDF

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Publication number
CN203086163U
CN203086163U CN201220465415.2U CN201220465415U CN203086163U CN 203086163 U CN203086163 U CN 203086163U CN 201220465415 U CN201220465415 U CN 201220465415U CN 203086163 U CN203086163 U CN 203086163U
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China
Prior art keywords
battery
charging
contactor
management system
fuse
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Expired - Lifetime
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CN201220465415.2U
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Chinese (zh)
Inventor
谈益楠
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Beijing Pride New Energy Battery Co Ltd
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Beijing Pride New Energy Battery Co Ltd
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Priority to CN201220465415.2U priority Critical patent/CN203086163U/en
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Abstract

The utility model discloses a power supply system used for an electric car. The power supply system used for the electric car comprises a detachable electronic box which comprises a box body and a box cover, a battery pack arranged in the box body, a power supply output socket and a charging socket which are assembled on the box body and are electrically connected with the battery pack separately, a battery management system arranged in the box body, an electric appliance box arranged in the box body and made of an insulating material, an industrial touch screen which is arranged outside the box body and is in communication connection with the battery management system, and a CAN communication interface and a serial port interface which are assembled on the box body, wherein a charging contactor, a discharging contactor, a discharging fuse and a charging fuse are placed in the electric appliance box. The power supply system of the utility model supplies the clean, pollution free and environment friendly single system management structure type lithium ion power to the electric car, such as an electric sightseeing vehicle using a low voltage large capacity storage battery as the power supply, an electric sweeper, etc.

Description

A kind of electric vehicle dynamic power system
Technical field
The utility model relates to a kind of dynamic power system, more specifically, relates to a kind of electric vehicle dynamic power system.This dynamic power system is a single system managerial structure formula lithium ion power power-supply system, for electric motor cars such as the electronic tour bus that uses low pressure large capacity version battery power power supply, electric cleaning car provide cleaning, pollution-free, eco-friendly electrical source of power.
Background technology
At present, the electrical source of power of electric motor cars such as the electronic tour bus in the practical application, golf cart, electric cleaning car is generally low pressure large capacity version lead acid accumulator.The big capacity of so-called low pressure, the normal voltage of lead acid accumulator electrical source of power that is the electric motor car of this type generally is lower than 120V, as direct current 12V, 24V, 36V, 48V, 60V, 72V etc., but its rated capacity generally is higher than 100Ah, is 12V/130Ah as the power specification of the electronic road sweeper of certain money.But in recent years, the lead acid accumulator industry was constantly produced serious contamination accident.Environmental protection special examination from lead acid accumulator industry experience in 2011, to Ministry of Industry and Information in 2012 was that battery industry is formulated " battery industry cleaner production embodiment ", again to the goal task that eliminates the backward production facilities during " 12 " are assigned by Ministry of Industry and Information, China is more and more stricter to lead acid accumulator industry environmental protection requirement, and industry standard and regulation are more and more.In addition; rechargeable lithium-ion battery; as a kind of cleaning, eco-friendly new forms of energy; it is applied on electronic big bus, electronic environmental sanitation car; but, need the research of the application in the electric motor car of low pressure large capacity version power supply also to be in the starting stage at this type of to the single system managerial structure formula battery management system of integrated electrokinetic cell monitoring module, charging and driving discharge control and protection module, power management module and the lithium-ion-power cell system that uses single system structural formula battery management system.
Based on foregoing description, under the current environment of advocating environmental protection, energy-saving and emission-reduction, need badly and will seek a kind of cleaning, pollution-free, eco-friendly new forms of energy substitute this type of lead acid accumulator.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of electric vehicle dynamic power system, this electric vehicle dynamic power system can be replaced the lead acid accumulator electrical source of power that electronic tour bus, electric cleaning car etc. use, and for using the be used as power electric motor car of power supply of this type of low pressure large capacity version storage battery that cleaning, pollution-free, eco-friendly single system managerial structure formula lithium ion power power supply are provided.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of electric vehicle dynamic power system comprises:
Electronic box is made up of casing and case lid, and the casing open top is sealed by case lid;
Be arranged in the casing by the monomer electrokinetic cell and and/or the battery pack that forms of series connection;
The power output socket and the charging socket that are assembled on the casing and are electrically connected respectively with described battery pack;
Be arranged at the electrical equipment box made from insulating material in the casing, be placed with discharge fuse, discharge contactor, charging fuse, charging contactor in the box, described discharge fuse, charging fuse, charging contactor are connected electrically on the circuit of battery pack and charging socket formation; Described discharge fuse, discharge contactor are connected electrically on the circuit of battery pack and power output socket formation, and charging contactor and discharge contactor are used to control the conducting and the disconnection of related circuit, and the rated transformation ratio charging fuse of described discharge fuse is big;
Be arranged at the battery management system in the casing, itself and battery pack, charging contactor, discharge contactor, graphic control panel communicate to connect;
Be arranged at the outer graphic control panel of casing, communicate to connect by serial interface and battery management system;
And be assembled in CAN communication interface on the casing, and described CAN communication interface one end is connected with battery management system, and an end is used to connect the vehicle-mounted entire car controller of electric motor car.
As preferably, described graphic control panel comprises battery status conversion and control module, and this module is provided with driving, Parking, charge button, clicks arbitrary button, graphic control panel will transmit corresponding request signal to battery management system by serial interface, and enter corresponding state interface.
As preferably, described battery management system comprises the battery status monitoring module, after battery management system is received the request signal of touch-screen, this module will be checked battery status and communications status, and excite being switched on or switched off of contactor of related circuit at the appointed time.
As further preferred; described battery management system also comprises control and protection module; when battery pack is charged or is driven a vehicle discharge; the battery status monitoring module is monitored voltage, electric current, the temperature of monomer electrokinetic cell in real time; and compare with setup parameter; when if judgement is unusual, control and protection module will excite the contactor of related circuit to disconnect with the protection battery system, and it can be transferred to graphic control panel with battery status and fault alarm information.
As preferably, described charging socket is power supply and communication one, seven apertures in the human head formula structure, and wherein two macropores are the charge power supply interface, and interface use for communication in other five holes, and has fool proof design, to prevent reversal connection, misconnection.
As preferably, described power output socket is the twoport type structure, and has the fool proof design, to prevent reversal connection, misconnection.
As preferably, the described battery status monitoring module parameter of the monomer electrokinetic cell of monitoring in real time is voltage, electric current, temperature.
The beneficial effects of the utility model are, because dynamic power system is single system managerial structure formula lithium ion power power-supply system, provide cleaning, pollution-free, eco-friendly electrical source of power so can be electric motor cars such as the electronic tour bus that uses low pressure large capacity version battery power power supply, electric cleaning car.The discharge fuse, charging fuse, the charging contactor that are arranged in the casing are connected electrically on the circuit of battery pack and charging socket formation, form the charging path.Be arranged at discharge fuse, discharge contactor in the casing, be connected electrically on the circuit of battery pack and power output socket formation, form discharge path.So can carry out charge or discharge to battery system easily.Owing to be provided with charging contactor and discharge contactor, so the conducting of may command related circuit and disconnection again because the rated transformation ratio charging fuse of discharge fuse is big, so electric current can stop charging during greater than certain value, play a protective role to battery.Since battery management system integrated battery status monitoring module, control and protection module; when battery system is in charging, driving discharge or Parking state; the battery status monitoring module can be monitored voltage, electric current, the temperature of monomer electrokinetic cell in real time; and compare with setup parameter; judging under the unusual situation that control and protection module will excite the contactor of related circuit to disconnect with the protection battery system.Since graphic control panel integrated battery status conversion and control module, parameter setting module, data disaply moudle, battery status conversion and control module is provided with driving, Parking, charge button, click arbitrary status button, touch-screen will transmit corresponding request signal to battery management system by serial interface, and it is enter the corresponding state interface, so very easy to use.Can set the parameter of battery management system by parameter setting module.Data disaply moudle can write down and show battery status data, fault alarm and the system protection event information of battery management system transmission, and generation can be for the log database of inquiry.Very convenient during use, and function is very complete.
Description of drawings
The structural representation of the dynamic power system that Fig. 1 provides for the utility model;
The circuit block diagram of dynamic power system under charged state that Fig. 2 provides for the utility model;
The circuit block diagram of dynamic power system under the driving discharge condition that Fig. 3 provides for the utility model.
Among the figure:
1, power output socket; 2, charging socket; 3, charging contactor; 4, electrical equipment box; 5, charging fuse; 6, discharge contactor; 7, discharge fuse; 8, monomer electrokinetic cell; 9, insulation board; 10, battery management system; 11, case lid; 12, casing; 13, CAN communication interface; 14, serial interface; 15, battery pack.
Embodiment
Further specify the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
Fig. 1 to Fig. 3 has provided an embodiment of the present utility model, and with reference to accompanying drawing, the electric vehicle dynamic power system comprises in the utility model: the self-mountable ﹠ dismountuble electronic box, to form by casing 12 and case lid 11, and casing 12 open tops are by case lid 11 sealings; Be arranged in the casing by monomer electrokinetic cell 8 and and/or the battery pack 15 that forms of series connection; The power output socket 1 and the charging socket 2 that are assembled on the casing 12 and are electrically connected respectively with described battery pack 15; Be arranged at the battery management system 10 in the casing 12; Be arranged at the electrical equipment box 4 in the casing 12, be placed with discharge fuse 7, discharge contactor 6, charging fuse 5, charging contactor 3 in the box; Be assembled in CAN communication interface 13 and serial interface 14 on the casing 12; Be independent of casing 12 and can be installed in the graphic control panel of electric motor car correct position.
Concrete, described power output socket 1 is the twoport type structure, it is electrically connected with described battery pack 15 by cable, when described power output socket 1 is electrically connected with the power input plug of the vehicle-mounted entire car controller of electric motor car and electric motor car is in driving during discharge condition, battery pack 15 can provide power source to electric motor car.And when battery system is in the driving discharge condition, described battery management system 10 will not allow the battery system charging.Described charging socket 2 is power supply and communicate by letter one, seven apertures in the human head formula structure, and wherein two relatively large holes are power interface, and power interface is electrically connected with described battery pack 15, and other five holes are the communication interface, and communication is connected with described battery management system 10 with interface.That is, described battery pack 15 except that by cable with power output socket 1 is electrically connected, also be electrically connected with charging socket 2 by cable.When the charging plug of charger is electrically connected with described charging socket 2 and electric motor car when being in charged state, charger can be to battery pack 15 chargings.In the charging process, battery management system 10 is communicated by letter with charger with interface by the communication of described five holes and charging process is controlled.And when battery system is in charged state, described battery management system 10 will not allow battery system driving discharge.
The electrical equipment box 4 that is arranged in the casing 12 is made by insulating material, the connected mode of the discharge fuse of placing in the box 7, the contactor 6 that discharges, charging fuse 5, charging contactor 3 is: discharge fuse 7, charging fuse 5, charging contactor 3 are connected electrically on the circuit of battery pack 15 and charging socket 2 formation, as shown in Figure 2; Discharge fuse 7, discharge contactor 6 are connected electrically on the circuit of battery pack 15 and power output socket 1 formation, as shown in Figure 3.Described discharge fuse 7 is used for the overload protection and the short-circuit protection of battery pack 15; the rated transformation ratio discharge fuse 7 of described charging fuse 5 is little; electric current when being used to limit charger to battery pack 15 chargings charges under the size of current condition that is suitable for charging most to guarantee electrokinetic cell.Above-mentioned electrical equipment spare and accessory parts are concentrated the benefit that is assembled in the electrical equipment box 4, be to make things convenient for the assembling and the later maintenance of power-supply system.
Described battery management system 10 places battery pack 15 tops and separates by insulation board 9 and battery pack 15, communicates to connect with battery pack 15, discharge contactor 6, charging contactor 3, graphic control panel.Battery management system 10 is integrated battery status monitoring module, control and protection module and power management module.After battery management system 10 is received the request signal of touch-screen, the battery status monitoring module will be checked battery status and communications status, and excite being switched on or switched off of contactor of related circuit at the appointed time.When battery system is in charging, driving discharge or Parking state; the battery status monitoring module of described battery management system 10 is monitored voltage, electric current, the temperature of monomer electrokinetic cell 8 in real time; and compare with setup parameter; judging under the unusual situation; when being higher or lower than set point as monomer electrokinetic cell 8 voltages, described control and protection module will excite the contactor of related circuit to disconnect with the protection battery system.And battery management system 10 is real-time transmitted to graphic control panel with battery status and fault alarm information.12 couchers of described battery management system 10 and graphic control panel are made power supply and are managed and controlled by the power management module of battery management system.
Described graphic control panel communicates to connect by serial interface 14 and battery management system 10.Graphic control panel is integrated battery status conversion and control module, parameter setting module, data disaply moudle.Battery status conversion and control module is provided with driving, Parking, charge button, clicks arbitrary status button, and graphic control panel will transmit corresponding request signal to battery management system 10 by serial interface 14, and enter the corresponding state interface.Described battery management system 10 will be checked electrokinetic cell state and corresponding communication state voluntarily after receiving the request signal of graphic control panel, and will excite the conducting or the disconnection of the contactor of related circuit at the appointed time.Can set the parameter of battery management system 10 by parameter setting module.Data disaply moudle can write down and show battery status data, fault alarm and the system protection event information of battery management system 10 transmission, and generation can be for the log database of inquiry.
In the present embodiment, as clicking the driving button, graphic control panel will transmit the request signal of driving discharge and enter discharge interface to battery management system 10 by serial interface 14.After battery management system 10 is received the discharge request signal, whether voltage, the state of temperature of checking each monomer electrokinetic cell 8 voluntarily are fit to discharge, whether described CAN communication interface 13 is normal with communicating to connect of the vehicle-mounted entire car controller of electric motor car, confirm that charging contactor 3 and battery pack 15 form the circuit that is electrically connected with charging socket 2 and be in off-state, and excite discharge contactor 6 at the appointed time and make battery pack 15 form the circuit turn-on that is electrically connected with power output socket 1, battery pack 15 is to electric motor car output DC power.In the time of the driving discharge, battery management system 10 is voltage, electric current, the temperature of monitoring monomer electrokinetic cell 8 in real time, and compares with setup parameter.Judging under the unusual situation; when being higher or lower than set point as monomer electrokinetic cell 8 voltages; battery management system 10 will send corresponding fault alarm; and the circuit disconnection that the control of described battery management system 10 and protection module will excite discharge contactor 6 at the appointed time and battery pack 15 and power output socket 1 formed is electrically connected to be stopping external output power, thereby protects power-supply system.In the whole process of carrying out discharge, battery management system 10 is real-time transmitted to graphic control panel demonstration and preservation with battery status and fault alarm information.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within the protection range of the present utility model.

Claims (7)

1. an electric vehicle dynamic power system is characterized in that, comprising:
Electronic box is made up of casing (12) and case lid (11), and casing (12) open top is sealed by case lid (11);
Be arranged in the casing by monomer electrokinetic cell (8) and and/or the battery pack (15) that forms of series connection;
The power output socket (1) and the charging socket (2) that are assembled on the casing and are electrically connected respectively with described battery pack (15);
Be arranged at the electrical equipment box made from insulating material (4) in the casing, be placed with the fuse (7) that discharges, discharge contactor (6), charging fuse (5), charging contactor (3) in the box, described discharge fuse (7), charging fuse (5), charging contactor (3) are connected electrically on the circuit of battery pack (15) and charging socket (2) formation; Described discharge fuse (7), discharge contactor (6), be connected electrically on the circuit of battery pack (15) and power output socket (1) formation, charging contactor (3) and discharge contactor (6) are used to control the conducting and the disconnection of related circuit, and the rated transformation ratio charging fuse (5) of described discharge fuse (7) is big;
Be arranged at the battery management system (10) in the casing, itself and battery pack (15), charging contactor (3), discharge contactor (6), graphic control panel communicate to connect;
Be arranged at the outer graphic control panel of casing, communicate to connect by serial interface (14) and battery management system (10);
And be assembled in CAN communication interface (13) on the casing, and described CAN communication interface (13) one ends are connected with battery management system (10), and an end is used to connect the vehicle-mounted entire car controller of electric motor car.
2. electric vehicle dynamic power system according to claim 1, it is characterized in that: described graphic control panel comprises battery status conversion and control module, this module is provided with driving, Parking, charge button, click arbitrary button, graphic control panel will transmit corresponding request signal to battery management system (10) by serial interface (14), and enter corresponding state interface.
3. electric vehicle dynamic power system according to claim 2, it is characterized in that: described battery management system (10) comprises the battery status monitoring module, after battery management system (10) is received the request signal of touch-screen, this module will be checked battery status and communications status, and excite being switched on or switched off of contactor of related circuit at the appointed time.
4. electric vehicle dynamic power system according to claim 3; it is characterized in that: described battery management system (10) also comprises control and protection module; when battery pack (15) is charged or is driven a vehicle discharge; the battery status monitoring module is monitored the parameter of monomer electrokinetic cell (8) in real time; and compare with setup parameter; when if judgement is unusual; control and protection module will excite the contactor of related circuit to disconnect with the protection battery system, and it can be transferred to graphic control panel with battery status and fault alarm information.
5. according to each described electric vehicle dynamic power system of claim 1 to 4, it is characterized in that: described charging socket (2) is power supply and communicate by letter one, seven apertures in the human head formula structure, wherein two macropores are the charge power supply interface, other five holes are the communication interface, and has the fool proof design, to prevent reversal connection, misconnection.
6. according to each described electric vehicle dynamic power system of claim 1 to 4, it is characterized in that: described power output socket (1) is the twoport type structure, and has the fool proof design, to prevent reversal connection, misconnection.
7. electric vehicle dynamic power system according to claim 4 is characterized in that: the described battery status monitoring module parameter of the monomer electrokinetic cell (8) of monitoring in real time is voltage, electric current, temperature.
CN201220465415.2U 2012-09-12 2012-09-12 Power supply system used for electric car Expired - Lifetime CN203086163U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795118A (en) * 2012-09-12 2012-11-28 北京普莱德新能源电池科技有限公司 Power battery system for electric vehicle
CN106716161A (en) * 2016-10-28 2017-05-24 深圳市大疆创新科技有限公司 Cell controlling method and system, and cell
CN107966667A (en) * 2017-11-27 2018-04-27 宁德时代新能源科技股份有限公司 Electronic box management method and device, computer storage medium, electronic box and electric power driving device
CN113013955A (en) * 2021-04-09 2021-06-22 武汉中原长江科技发展有限公司 Airborne power supply mounting frame with protection circuit

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102795118A (en) * 2012-09-12 2012-11-28 北京普莱德新能源电池科技有限公司 Power battery system for electric vehicle
CN102795118B (en) * 2012-09-12 2015-03-25 北京普莱德新能源电池科技有限公司 Power battery system for electric vehicle
CN106716161A (en) * 2016-10-28 2017-05-24 深圳市大疆创新科技有限公司 Cell controlling method and system, and cell
CN106716161B (en) * 2016-10-28 2020-08-04 深圳市大疆创新科技有限公司 Battery control method and system and battery
CN107966667A (en) * 2017-11-27 2018-04-27 宁德时代新能源科技股份有限公司 Electronic box management method and device, computer storage medium, electronic box and electric power driving device
CN113013955A (en) * 2021-04-09 2021-06-22 武汉中原长江科技发展有限公司 Airborne power supply mounting frame with protection circuit

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Granted publication date: 20130724