CN202167879U

CN202167879U - Intelligent charging and monitoring integration device for electric automobile

Info

Publication number: CN202167879U
Application number: CN2011202731643U
Authority: CN
Inventors: 张红; 徐国富; 贾永前
Original assignee: HEFEI TONGZHI ELECTRICAL CONTROL TECHNOLOGY Co Ltd
Priority date: 2011-07-29
Filing date: 2011-07-29
Publication date: 2012-03-14
Anticipated expiration: 2021-07-29

Abstract

The utility model belongs to the technical field of electric automobile charging and particularly relates to an intelligent charging and monitoring integration device for an electric automobile. The device comprises a monitoring display operation unit which is in bidirectional communication with a charging unit by a CAN (Controller Area Network) bus; the monitoring display operation unit is further in bidirectional communication with a battery management unit and a charging station monitoring unit respectively by the CAN bus; and the battery management unit is further in bidirectional communication with an electric quantity billing and card swiping unit by the CAN bus. The device has the functions of displaying the temperature of a battery, the charging time and the like and further has the function of measuring the output electric quantity, and charging voltage and charging current can be set on an operation panel in the device; the device further has the functions of equalizing the voltage and equalizing the current, can automatically regulate the output of each charging unit according to the actual charging voltage and current of each charging unit and can ensure the charging units connected in parallel to realize the function of voltage and current equalization by changing the constant voltage and constant current standards of the charging units.

Description

A kind of electric automobile intelligent charge monitoring integrated apparatus

Technical field

The utility model belongs to the charging electric vehicle technical field, is specifically related to a kind of electric automobile intelligent charge monitoring integrated apparatus.

Background technology

The electric automobile car is owing to its energy-saving and environmental protection become the desirable selection of new-energy automobile.The power supply-charging systematic research of electric automobile is that electric automobile is able to promote the important foundation with industrialization with building.The use of electric automobile at present also is in test and demonstration operation phase; That is that all right is ripe in the construction of charging station; Both at home and abroad about the technical standard of electric automobile charging station also seldom, the technical development of charging station has become influence one of key factor that electric automobile develops.

Generally; Though domestic research at charging station launches; But still be confined to the simple combination of many chargers at present; Aspect being provided with of the quick charge of electric automobile power battery group and the charge mode that charges normal, charge parameter, still be in experience setting and stage of fumbling, the temperature of battery, the warning of insulating, overcharging and protect the research of these application facet then to remain deeply in charging process.Though some has put into operation the domestic electric automobile charging station of developing; But its integrated performance index is very desirable, and further the intelligent charge station system of efficient, the high reliability of exploitation, high-adaptability and high universalizable still has a large amount of research work to carry out in a deep going way.

Summary of the invention

The purpose of the utility model provides a kind of electric automobile intelligent charge monitoring integrated apparatus, and this device is integrated in function height such as charging, monitoring, protection, metering in the charger, has improved the integrated level and the intellectuality of device.

For realizing the foregoing invention purpose; The technical scheme that the utility model adopted is: a kind of electric automobile intelligent charge monitoring integrated apparatus; This device comprises the monitoring display operating unit; Said monitoring display operating unit and charhing unit are through CAN bus both-way communication, and said monitoring display operating unit also passes through CAN bus both-way communication with battery management unit, charging station monitoring unit respectively; Said battery management unit and electric energy tariff are swiped the card the unit through CAN bus both-way communication.

Simultaneously, the utility model can also be able to further realization through following technical measures:

Said monitoring display operating unit also is provided with alternating voltage sampling module, alternating current sampling module, direct voltage sampling module and direct current sampling module.

Said charhing unit comprises input EMI filtration module, and the output of input EMI filtration module links to each other with the input of three-phase active PFC module, and the output of three-phase active PFC module links to each other with the input of DC/DC transducer; The output of said DC/DC transducer links to each other with the input of rectification filtering module, and the output of rectification filtering module links to each other with the input of output EMI filtration module.

Said charhing unit also comprises the accessory power supply module; The input of accessory power supply module links to each other with the output of three-phase active PFC module; The output of accessory power supply module links to each other with the input of DC/DC control protection module, and the output of said DC/DC control protection module links to each other with the input of DC/DC transducer; Said DC/DC control protection module also is provided with the RS485 interface with the communication of monitoring display operating unit.

Said charhing unit also comprise be used to detect imported/the input detection module of under-voltage and phase shortage, be used to detect the output detection module of output voltage electric current and battery temperature, said input detection module all links to each other with the input of DC/DC control protection module with the output detection module.

The beneficial effect of the utility model is: the utlity model has functions such as showing battery temperature, charging interval, can also carry out function of measuring to the output electric weight; And can on the guidance panel in this device charging voltage and charging current be set; This device also has all pressure, flow equalizing function; Can make the charhing unit of parallel connection realize all pressure, flow equalizing function through constant voltage, the constant current benchmark that changes charhing unit according to the actual charging voltage of each charhing unit, the output that electric current is regulated each charhing unit automatically.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of charhing unit.

The implication of mark is following among the figure:

10-monitoring display operating unit 20-charhing unit 21-input EMI filtration module

22-three-phase active PFC module 23-DC/DC transducer 24-rectification filtering module

25-output EMI filtration module 26-accessory power supply module

27-DC/DC control protection module 28-input detection module

29-output detection module 30-battery management unit 40-charging station monitoring unit

The 50-electric energy tariff unit of swiping the card

Embodiment

Like Fig. 1, shown in 2; A kind of electric automobile intelligent charge monitoring integrated apparatus; This device comprises monitoring display operating unit 10; Said monitoring display operating unit 10 passes through CAN bus both-way communication with charhing unit 20, and said monitoring display operating unit 10 also passes through CAN bus both-way communication with battery management unit 30, charging station monitoring unit 40 respectively; Said battery management unit 30 is swiped the card unit 50 through CAN bus both-way communication with electric energy tariff.

As shown in Figure 1, said monitoring display operating unit 10 also is provided with alternating voltage sampling module, alternating current sampling module, direct voltage sampling module and direct current sampling module.

Said charhing unit 20 comprises input EMI filtration module 21, and the output of input EMI filtration module 21 links to each other with the input of three-phase active PFC module 22, and the output of three-phase active PFC module 22 links to each other with the input of DC/DC transducer 23; The output of said DC/DC transducer 23 links to each other with the input of rectification filtering module 24, and the output of rectification filtering module 24 links to each other with the input of output EMI filtration module 25.

Said charhing unit 20 also comprises accessory power supply module 26; The input of accessory power supply module 26 links to each other with the output of three-phase active PFC module 22; The output of accessory power supply module 26 links to each other with the input of DC/DC control protection module 27, and the output of said DC/DC control protection module 27 links to each other with the input of DC/DC transducer 23; Said DC/DC control protection module 27 also is provided with the RS485 interface with 10 communications of monitoring display operating unit.

Said charhing unit 20 also comprise be used to detect imported/the input detection module 28 of under-voltage and phase shortage, be used to detect the output detection module 29 of output voltage electric current and battery temperature, said input detection module 28 and output detection module 29 all link to each other with the input that DC/DC controls protection module 27.

Further specify below in conjunction with Fig. 1,2 pairs of the utility model:

The swipe the card function of unit 50 of electric energy tariff is mainly: electric weight calculates, and comprises that the single charge electric weight calculates and total charge capacity accumulative total, single charge time started, concluding time and total charging interval accumulative total, and battery charging voltage, electric current show; Calculate the input AC electric weight; Charge to determine whether start charging and shutdown with battery management unit 30 communications.

The function of monitoring display operating unit 10 is mainly: safe and reliable and stable with what guarantee to charge with charhing unit 20, battery management unit 30, the 40 three's communications of charging station monitoring unit; And show below content: battery types, charging voltage, charging current, electric energy metrical information, the while can also show information such as battery temperature, charging interval, manually should show the artificial input information in the assignment procedure.

Charhing unit 20 is made up of three-phase active PFC and two power section of DC/DC, outside two power section, also has accessory power supply module and input and output to detect protection module.

Prime three-phase active pfc circuit is made up of with three-phase active PFC module 22 input EMI filtration module 21; In order to realize exchanging the rectifying and wave-filtering of input and the correction of input current; The power factor (PF) that makes input circuit is greater than 0.92, to satisfy among the DL/T781-2001 relevant EMI, EMC standard in the three phase harmonic standard and GB/T 17794.2.2-2003.

The DC/DC circuit of back level partly is made up of DC/DC converter 23, DC/DC control protection module 27, rectification filtering module 24, output EMI filtration module 25 etc., in order to realize that converting the prime commutating voltage to meet pure electronic public transport charging requirement galvanic current presses output.

Accessory power supply module 26 is arranged on after the three-phase active PFC module 22, before the DC/DC converter 23, utilizes the direct current output of three-phase active PFC module 22, produces each required road power supply of control circuit.

Input detection module 28 realizes importing/detections such as under-voltage, phase shortage.

Output detection module 29 is realized the detection of output voltage, electric current, and battery temperature is detected.

Input detection module 28 detects the gained signal with output detection module 29 and all is sent to DC/DC control protection module 27 to realize control and the protection to DC/DC controller 23.

In sum, this device has been taked modularity design technology, and modularization has the implication of two aspects, and the first is the function module design, and function is divided into charhing unit, the electric energy tariff parts such as unit, monitoring display operating unit of swiping the card; It two is power device and supply voltage modularization, and this device is taked power model (ASPM) design concept, with each partly module classification and isolation, makes to no longer include traditional lead-in wire between the components and parts and connect, and improves system's Electro Magnetic Compatibility.This device helps improving the expansion of system reliability and system with the supply voltage and the function modularized design respectively of each part simultaneously.

This device carries out organic assembling and exploitation again to a plurality of function devices; On modular basis, the operating state of each function device is monitored and controlled through the monitoring display operating unit; The correct control logic of implementing between each function device; And touring detection and the fault self-diagnosis and the functions such as failure logging and online demonstration of the system of realization, realized the integral fusion design of system effectively.

Claims

1. an electric automobile intelligent charge is monitored integrated apparatus; It is characterized in that: this device comprises monitoring display operating unit (10); Said monitoring display operating unit (10) passes through CAN bus both-way communication with charhing unit (20), and said monitoring display operating unit (10) also passes through CAN bus both-way communication with battery management unit (30), charging station monitoring unit (40) respectively; Said battery management unit (30) is swiped the card unit (50) through CAN bus both-way communication with electric energy tariff.

2. electric automobile intelligent charge monitoring integrated apparatus according to claim 1, it is characterized in that: said monitoring display operating unit (10) also is provided with alternating voltage sampling module, alternating current sampling module, direct voltage sampling module and direct current sampling module.

3. electric automobile intelligent charge monitoring integrated apparatus according to claim 1 and 2; It is characterized in that: said charhing unit (20) comprises input EMI filtration module; The output of input EMI filtration module (21) links to each other with the input of three-phase active PFC module (22), and the output of three-phase active PFC module (22) links to each other with the input of DC/DC transducer (23); The output of said DC/DC transducer (23) links to each other with the input of rectification filtering module (24), and the output of rectification filtering module (24) links to each other with the input of output EMI filtration module (25).

4. electric automobile intelligent charge monitoring integrated apparatus according to claim 3; It is characterized in that: said charhing unit (20) also comprises accessory power supply module (26); The input of accessory power supply module (26) links to each other with the output of three-phase active PFC module (22); The output of accessory power supply module (26) links to each other with the input of DC/DC control protection module (27), and the output of said DC/DC control protection module (27) links to each other with the input of DC/DC transducer (23); Said DC/DC control protection module (27) also is provided with the RS485 interface with monitoring display operating unit (10) communication.

5. electric automobile intelligent charge monitoring integrated apparatus according to claim 4; It is characterized in that: said charhing unit (20) also comprise be used to detect imported/the input detection module (28) of under-voltage and phase shortage, be used to detect the output detection module (29) of output voltage electric current and battery temperature, said input detection module (28) and output detection module (29) all link to each other with the input that DC/DC controls protection module (27).