CN206818778U - Control and protection device on intelligent high reliability electric automobile cable - Google Patents
Control and protection device on intelligent high reliability electric automobile cable Download PDFInfo
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- CN206818778U CN206818778U CN201720485679.7U CN201720485679U CN206818778U CN 206818778 U CN206818778 U CN 206818778U CN 201720485679 U CN201720485679 U CN 201720485679U CN 206818778 U CN206818778 U CN 206818778U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
Technical field of electric power is the utility model is related to, in particular to control and protection device on a kind of intelligent high reliability electric automobile cable.The device includes：Main control unit, protection circuit unit, power subsystem, pwm signal generation module, CP working state detection units and human-computer interaction intelligent monitoring unit；Wherein, power subsystem, powered to main control unit；CP working state detection units, electric automobile working condition is fed back into main control unit；Pwm signal generation module, receive the PWM trigger signals of main control unit；Protection circuit unit, gather the ac electric of the home communication charging socket and be transferred to main control unit；The data of human-computer interaction intelligent monitoring unit processing are sent to user mobile phone by gsm module.The utility model device circuit is simple, small volume, and reliability is high, and operability is easy, uses real effective signal conditioning circuit structure first in electric automobile fastens control and protection device, has abandoned the shortcomings that existing average detecting circuit inaccurately samples.
Description
Technical field
Technical field of electric power is the utility model is related to, in particular to a kind of intelligent high reliability electric automobile cable
Upper control and protection device.
Background technology
At present, control and protection device (IC-CPD) on the cable of Multiple Type on the market be present, be mainly used in new energy electricity
Electrical automobile family charging occasion uses, before home communication voltage charges to electric automobile, it is necessary first to confirm electronic vapour
Whether car is normally connected with home communication charging device, and according to national standard, electric automobile also needs in real time when being charged
Charging process is monitored, protection circuit should stop charging electric vehicle immediately when abnormal conditions occur, therefore in the process of charging
In many problems be present：1st, existing control pilot detection circuit structure is complicated, and accuracy of detection is low, protection circuit reliability
It is low, operating personnel are constituted a latent danger safely；2nd, applied to prolonged unattended charging occasion, it is accomplished that simple disconnected
Electric protection function, does not link up the intelligent link of information with people, and such operator will go to operation scene in person at regular intervals
Charge condition of patrolling is removed, is occurred to prevent fortuitous event, it is so inconvenient for operation, take time and effort, when can not meet unattended
Application scenario.
Utility model content
Technical problem to be solved in the utility model is that providing a kind of intelligent high reliability electric automobile fastens control
System and protection device, solves the existing control pilot detection circuit structure complexity of prior art, accuracy of detection is low, protection electricity
Road reliability is small, at the same can not adapt to it is unattended charging occasion the problems such as, electric automobile cable really is dissolved into intellectuality
In upper control and protection device.
The utility model is achieved in that
A kind of intelligent high reliability electric automobile fastens control and protection device, and the device includes：Main control unit, protection
Circuit unit, power subsystem, pwm signal generation module, CP working state detection units, human-computer interaction intelligent monitoring unit and
Man-machine interaction display unit；
Wherein, power subsystem, produce positive and negative 12V DC voltage through Flayback conversion by home communication charging socket and distinguish
Powered to pwm signal generation module and relay module, positive and negative 12V DC voltage produces 12V/5V electricity by chopped wave technique
The DC/DC modules of pressure are powered to main control unit；
CP working state detection units, including interface module is by for sending pwm control signal, while it is electronic to receive CP
Automotive service state control signal, handled by peak-detector circuit and electric automobile working condition is fed back into main control unit；
Pwm signal generation module, it is connected with the interface module, and main control unit is connected to by light-coupled isolation module,
And receive the PWM trigger signals of main control unit；
Protection circuit unit, it is by falling on the ground selftest module, current detection module, voltage detection module and leakage current test mould
Block is formed, and is gathered the ac electric of the home communication charging socket and is transferred to main control unit；
Human-computer interaction intelligent monitoring unit, main control unit is connected to by Zigbee telegons, is communicated and passed using RS232
Pass mode and the AC charging parameter gathered in real time is sent to Zigbee telegons, Zigbee telegons enter line number by information is gathered
According to fusion, the data of processing are on the one hand sent to user mobile phone by gsm module, on the other hand pass through client Internet
It is sent to manufacturer's monitoring system.
Further, in addition to man-machine interaction display unit, it is by being connected to main control unit by Zigbee telegons, together
When the memory module connection that is connected with main control unit, the AC charging parameter gathered in real time is sent to memory module, while will be real
When data be sent to man-machine interaction display interface unit carry out real time data processing.
Further, it is same by rectifier bridge filtered electric capacity C27 and divider resistance R28 and voltage comparator to fall on the ground selftest module
Being connected to input, reference voltage is connected through divider resistance R22, divider resistance R23 partial pressures with voltage comparator reverse input end,
Divider resistance R25 and electric resistance partial pressure R26 connects and composes bleeder circuit, and voltage comparator output connects and composes with divider resistance R25.
Further, current detection module is connected in parallel by current transformer and an output resistance, via output resistance R31
The induced voltage of output is connected with the VIN pins of a real effective detection chip, and an electric capacity C33 is through VCC power supplys and real effective
+ VS pins the connection of detection chip, the CAV pipe foot meridian capacitors C34 of real effective detection chip are connected with-VCC, real effective inspection
The OUT pins for surveying chip connect and compose through a filter capacitor and feedback end CF pins.
Further, voltage detection module is connected by a fuse through a current-limiting resistance 36 with a voltage transformer, and one is defeated
Go out resistance to be connected with operational amplifier in-phase input end, resistance R40 and resistance R41 common ports and operational amplifier inverting input
In-phase proportion operational amplifier is connected and composed, operational amplifier output is connected with voltage follower, and resistance R44 and electric capacity C45 connects
Connect and form RC filter circuits, a voltage follower is connected structure through RC filter circuits with real effective detection chip and its peripheral circuit
Into.
Further, leakage current test module includes：One zero sequence current mutual inductor is through output resistance and the first operation amplifier
Device in-phase input end is connected, and resistance R53 is connected and composed with compared with electric R54 common ports with the second operational amplifier inverting input
Example operational amplifier, the second operational amplifier output terminal are connected with voltage follower, and resistance R56 and electric capacity C57 connects and composes RC
Filter circuit, voltage follower connect and compose through RC filter circuits and a real effective detection chip and its peripheral circuit.
Further, the peak-detector circuit is to be connected in parallel to an operation amplifier by resistance R64, electric capacity C65
The inverting input and output end of device form integral operation circuit, and a voltage comparator passes through resistance R63 and integral operation circuit
Connection, resistance R67 and electric capacity C68 connect and compose RC filter circuits, and operational amplifier passes through filter circuit and a voltage follower
Connect and compose.
Compared with prior art, beneficial effect is the utility model：
The utility model device circuit is simple, small volume, and reliability is high, and operability is easy, and control is fastened in electric automobile
System has been abandoned existing average detecting circuit and inaccurately adopted with using real effective signal conditioning circuit structure first in protection device
The shortcomings that sample, not only simplify circuit structure but also accuracy of detection can be improved, have to the Control for Dependability for controlling guidance circuit
Significance.The utility model is related to a kind of intelligent electric electrical automobile fastens control and protection device simultaneously, first zigbee
Technology is applied to electric automobile field, the application that human-computer interaction interface and intelligent remote monitor charged state adapt it to
Occasion is more extensive, using ZigBee technology, controller by AC charging information transmission to coordinator node, in telegon
By data fusion, when judging faulty, fault message notifies user mobile phone by gsm module, is believed failure by serial ports
Breath is sent to client, and user can also be browsed particular webpage by mobile phone and access human-computer interaction interface, remote so as to reach user
The purpose of distance detection charge condition, the man-machine loop in the cooperation and control of IC-CPD equipment and people is realized, is truly realized people
Merged with the interactive mode of machine, be essential, easy and effective, strong operability so in unattended charging occasion, shorten
Human time, improves operating efficiency, while is transmitted information to by Internet on manufacturer's cloud server, can
To provide the data basis of follow-up operation, maintenance, maintenance for manufacturer, facilitate the upgrading of product.
Brief description of the drawings
Fig. 1 is that a kind of intelligent high reliability electric automobile fastens control and protection apparatus structure block diagram；
Fig. 2 is to fall on the ground selftest module circuit diagram；
Fig. 3 is current detection module circuit diagram；
Fig. 4 is voltage detection module circuit diagram；
Fig. 5 is leakage current test module circuit diagram；
Fig. 6 is peak detection module circuit diagram；
Fig. 7 is based on charging electric vehicle parameter measurement structured flowchart under virtual instrument data acquisition modes；
Fig. 8 is to monitor the total schematic diagram of charging electric vehicle structure based on long-distance intelligent under ZigBee technology.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
As shown in figure 1, a kind of intelligent high reliability electric automobile of the utility model fastens control and protection device, bag
Include：Main control unit, protection circuit unit, power subsystem, pwm signal generation module and CP working state detection units and man-machine friendship
Mutual display interface unit, human-computer interaction intelligent monitoring unit.Wherein, main control unit 1, it is by Freescale automobile specified single-chip microcomputer
And its peripheral circuit is formed.Protection circuit unit, be by fall on the ground selftest module 2, current detection module 3, voltage detection module 4 and
Leakage current test module 5 is formed.Power subsystem, positive and negative 12V DC is produced through Flayback conversion by home communication charging socket 7
Voltage is powered to pwm signal generation module 11 and relay module 6 respectively, and positive and negative 12V DC voltage 8 passes through chopped wave technique
12V/5V is produced to power to main control unit 1 via DC/DC modules 9.Pwm signal generation module and CP working state detection units,
It is to send PWM trigger signals by main control unit 1 to be connected with pwm signal generation module 11 by light-coupled isolation module 10, interface mould
Block 12 sends pwm control signal, while receives CP electric automobile working state control signals, is handled by peak-detector circuit 13
Electric automobile working condition is fed back into main control unit 1.Man-machine interaction display interface unit, adopted in real time by the handle of main control unit 1
The AC charging parameter of collection (charging voltage, charging current, leakage current, falls on the ground self-test signal, electric automobile working state control letter
Number, PWM mode of operations signal) memory module 19 is sent to, while real time data is sent to man-machine interaction display interface unit
20, carry out real time data processing using Labview softwares.Human-computer interaction intelligent monitoring unit, passed through by main control unit 1
RS232 serial communication modes, electric vehicle alternating-current charging parameter are transferred in Zigbee telegons 14, soft using Labview
Part writes a upper computer software, the electric vehicle alternating-current charging parameter received for showing Zigbee telegons 14, by
Labview embeds function, and AC charging information is carried out data fusion, on the one hand passes through the data of processing by Zigbee telegons
Gsm module is sent to user mobile phone, fault message is sent into client by serial ports, user can also browse spy by mobile phone
Determine web page access human-computer interaction interface, so as to reach the purpose of user's remote monitor charge condition, realize IC-CPD equipment with
Man-machine loop in the cooperation and control of people, man-machine interactive fusion is truly realized, on the other hand passes through client
Internet is sent on manufacturer's cloud data server, can be provided for manufacturer follow-up operation, maintenance, maintenance
Data basis, facilitate the upgrading of product.
Fig. 2 is the self-checking circuit that falls on the ground in the utility model, fallen on the ground in the utility model self-checking circuit include rectifier bridge 21,
Resistance R29, resistance R28, resistance R22, resistance R23, resistance R25, resistance R26, electric capacity C27, voltage comparator 24.It, which is connected, closes
System is the ac input end of rectifier bridge 21 connection 220V home communications zero line and live wire, the direct current positive output end of rectifier bridge 21 and resistance
R29 connections, resistance R29 are connected in series composition direct-current voltage reducing circuit with the resistance R28 other ends, and electric capacity C27 is in parallel with resistance R28
Connection, plays a part of DC filtering, resistance R28 is connected with the in-phase input end of voltage comparator 24,24 same phase of voltage comparator
The input voltage of input is magnitude of voltage of the VD of rectifier bridge 21 after reduction voltage circuit is depressured, and its output valve is
Uout=U*R28/(R28+R29)
Wherein U is the direct voltage output value of rectifier bridge 21, R28, R29Resistance R28, resistance R29 are represented respectively.
Resistance R22 is connected with resistance R23 common port with the inverting input of voltage comparator 24, resistance R22 and resistance
R23 is connected to power supply VCC and forms bleeder circuit, resistance R23 points voltage is that reference voltage VREF is
VREF=VCC*R23/(R23+R22)；
Wherein VCC is supply voltage value, R22, R23Resistance R22, resistance R23 are represented respectively.
According to voltage comparator application principle, work as Uout>The output voltage values VCC of voltage comparator 24, works as Uo during VREFut<
The output voltage values of voltage comparator 24 are 0 during VREF.Resistance R25 and resistance R26, which is connected in series, forms reduction voltage circuit and voltage ratio
Connected compared with the output end of device 24, therefore main control unit single-chip microcomputer may determine that by the output voltage values of AD collection voltages comparator 24 and work as
Whether preceding be to lack ground state, and circuit structure is simple, and reliability is high.
Fig. 3 is the current detection circuit in the utility model, and current detection circuit includes Current Mutual Inductance in the utility model
Device 30, output resistance R31, real effective detection chip 32, electric capacity C33, electric capacity C34, electric capacity C35.Its annexation is electric current
The output end of transformer 30 is connected in parallel with resistance R31, and its output is a constant-current source, and usual resistance R31 resistances can not obtain too
Greatly, non-thread sexual maladjustment is avoided, real effective detection chip 32 elects AD736 precision height as, cheap, circuit topological structure letter
Single, the COM ends of real effective detection chip 32 are connected with the direct short circuit in CC ends, electric capacity C33 and real effective detection chip 32+
VS ports are connected, and electric capacity C34 one end is connected with the CAV ports of real effective detection chip 32, the electric capacity C34 other ends and negative electricity
Source-VCC connections, electric capacity C35 are connected across between the CF ports of real effective detection chip 32 and OUT terminal mouth and connected, and play smooth
The effect of filtering, influenceed because home communication electric capacity is vulnerable to power system power network quality factor, therefore the alternating component detected
Containing many harmonic wave factors, wave distortion is often led to, so very inaccurate with traditional average detection method, reliability reduces,
Carry out hidden danger for the safety belt of operator, using real effective detection method, having for various voltage waveforms can be measured accurately, in real time
Valid value, regardless of waveform parameter and problem of dtmf distortion DTMF, peripheral cell is few, and circuit connection is simple, electrical performance indexes are easily guaranteed that, this
It is that average detection method can not ensure.
Fig. 4 is voltage detecting circuit figure, in the utility model voltage detecting circuit include fuse 36, current-limiting resistance R37,
Voltage transformer 38, output resistance R39, operational amplifier 42, operational amplifier 43, resistance R40, resistance R41, resistance R44, electricity
Hold C45, electric capacity C47, electric capacity C48, electric capacity C49, real effective detection chip 46.Its annexation is home communication electricity live wire
End is connected by fuse 36, current-limiting resistance R37 with voltage transformer 38, and the effect for adding current-limiting resistance is to avoid input current mistake
Voltage transformer 38 is burnt greatly, output and the output resistance R39 of voltage transformer are connected in parallel, same output resistance R39 resistances
It can not obtain too greatly, avoid non-thread sexual maladjustment, resistance R39 is connected with the in-phase input end of operational amplifier 42, resistance R40, resistance
R41 is connected in series, and its common port connects and composes in-phase proportion integrating amplification circuit with the inverting input of operational amplifier 42, because
Voltage transformer detectable voltage signals are very faint, so to be amplified by in-phase proportion integrating amplification circuit, multiplication factor is
K=R41/R40；
Wherein, K be in-phase proportion integrating amplification circuit multiplication factor, R41, R40Resistance R41, resistance are represented respectively
R40；
The output of operational amplifier 42 is connected with voltage follower 43, and resistance R44 and electric capacity C45, which is connected in series, forms RC filters
Wave circuit, voltage follower 43 are connected by RC filter circuits with the VIN ports of real effective detection chip 46, practical with sample
Real effective detection chip 46 elects AD736 real effectives as and integrates detection chip in new device, real effective detection chip
COM ends are connected with the direct short circuit in CC ends, and electric capacity C47 is connected with+VS the ports of real effective detection chip 46, electric capacity C48 one end
It is connected with the CAV ports of real effective detection chip 46, the electric capacity C48 other ends are connected with negative supply-VCC, and electric capacity C49 is connected across
Connected between the CF ports of real effective detection chip 46 and OUT terminal mouth, play a part of smothing filtering, voltage follower 43 rises
To the effect of isolation buffer, the influence of secondary input resistance is avoided.
Fig. 5 is the leakage current detection circuit in the utility model, and leakage current detection circuit includes zero sequence in the utility model
Current transformer 50, output resistance R51, operational amplifier 52, operational amplifier 55, resistance R53, resistance R54, resistance R56,
Electric capacity C57, electric capacity C59, electric capacity C60, electric capacity C61, real effective detection chip 58.Its annexation is zero sequence current mutual inductance
The output end of device 50 is connected in parallel with resistance R51, and resistance R51 is connected with the in-phase input end of operational amplifier 52, resistance R53, resistance
R54 is connected in series, and resistance R54, which is connected across between the inverting input of operational amplifier 52 and output end, connects and composes in-phase proportion product
Divide amplifying circuit, the output end of operational amplifier 55 connects and composes voltage follower with its inverting input, operational amplifier 52
Output end is connected with the in-phase input end of voltage follower 55, and resistance R56 and electric capacity C57 connect and compose RC filter circuits, voltage with
It is connected with device through RC filter circuits with the VIN ends of real effective detection chip 58, real effective in same the utility model device
Detection chip 58 elects AD736 real effectives as and integrates detection chip, and the COM ends and CC ends of real effective detection chip 58 are direct
Short circuit is connected, and electric capacity C59 is connected with+VS the ports of real effective detection chip 58, electric capacity C60 one end and real effective detection core
The CAV ports connection of piece 58, the electric capacity C60 other ends are connected with negative supply-VCC, and electric capacity C61 is connected across real effective detection core
Connected between the CF ports of piece 58 and OUT terminal mouth, play a part of smothing filtering.
Fig. 6 is peak-detector circuit in the utility model, and peak-detector circuit includes voltage comparator in the utility model
62nd, operational amplifier 66, operational amplifier 69, resistance R63, resistance R64, resistance R67, electric capacity C68, electric capacity C65.It, which is connected, closes
System is that the output end of voltage comparator 62 is connected by resistance R63 with the inverting input of operational amplifier 66, resistance R64 with
Electric capacity C65 is connected in parallel the inverting input for being connected across operational amplifier 66 and output end connects and composes integral operation circuit, fortune
Calculate the output end of amplifier 66 and connect and compose feedback network, resistance R67 and electric capacity with the in-phase input end of voltage comparator 62
C68 connects and composes RC filter circuits, and the output end of operational amplifier 69 connects and composes voltage follower with its inverting input, transports
The output end for calculating amplifier 66 is connected by RC filter circuits with the in-phase input end of voltage follower 69.Voltage comparator 62
Inverting input input voltage measurement signal CP, when the output voltage of CP voltage signal peakedness ratios operational amplifier 66 is big, electricity
Press the conducting of comparator 62 internal fet, export negative voltage, at this moment according to the empty short empty disconnected principle of operational amplifier, have electric current from
Electric capacity C65 flows to resistance R63, and current value is
I=Cdu/dt；
Wherein, I is the electric current for flowing through electric capacity C65, and du/dt is the rate of change of electric capacity C65 voltages.As long as therefore work as CP voltages
When signal peak is bigger than the output voltage of operational amplifier 66, just there is current value to be charged for electric capacity C65, until operational amplifier 66
Output voltage it is bigger than CP voltage signal peak values untill, so by negative feedback links with regard to can detect input voltage signal CP electricity
Voltage crest value, wherein voltage follower 69 play a part of isolation buffer, avoid the influence of secondary input resistance.
Fig. 7 is that charging electric vehicle parameter measurement structural frames under virtual instrument data acquisition modes are based in the utility model
Figure, virtual instrument are explained, this practicality is new herein not in the scope of protection of the utility model, but for the demand of understanding
Charging electric vehicle parameter measurement structured flowchart under virtual instrument data acquisition modes is based in type and includes memory module 19, ARM
Single-chip microcomputer spi bus 70, programmed logic processing module 71, labview digital independents memory 72, labview waveform chart moulds
Block 73, PC displays 74.Its relation is the AC charging ginseng that the real-time storage main control unit single-chip microcomputer of data storage module 19 is sent
Number (charging voltage, charging current, leakage current, falls on the ground self-test signal, electric automobile working state control signal, PWM mode of operations
Signal), memory module uses model AT45DB161 FLASH storage chips, ARM single-chip microcomputers SPI in the utility model device
The transmission means of bus 70, AC charging parameter is sent to ARM single-chip microcomputers in real time, in the utility model, ARM single-chip microcomputer models
From STM32F103ZT6, its kernel is Cortex-M3.By programmed logic processing unit 71, in NI-VISA subprogram controls
Under agreement, quick real-time Communication for Power is directly carried out with Labview by USB, Labview is by writing dynamic link library (DLL) file
The USB transmission data of reading are stored in Labview digital independents memory 72, by calling Labview waveform chart moulds
Block 73, the data of reading are graphically shown in real time on PC displays 74.In this way can be
AC charging parameter is shown on an interface simultaneously in the form of performance graph, so can more intuitively be checked and be worked as
The charge condition of preceding electric automobile.
Fig. 8 is that remote human-computer interaction intelligent monitoring charging electric vehicle knot under ZigBee technology is based in the utility model
The total schematic diagram of structure, remote human-computer interaction intelligent monitoring charging electric vehicle structure under ZigBee technology is based in the utility model
Total schematic diagram includes main control unit 1, CC2430 coordinator nodes 76, CC2430 sensor network terminal nodes 75, data fusion
Processing unit 77, user mobile phone 17 and Surveillance center 78.Its annexation is the profit of CC2430 sensor network terminal nodes 75
With peak-detector circuit and protection circuit sensor by AD conversion current CP control signals and voltage, electric current, leakage
Electric current and scarce ground self-test parameter are transferred in CC2430 coordinator nodes 76 by RS232 Serial Port Transmission modes, main control unit 1
Using one upper computer software of Labview software programmings, for showing that the electric automobile that CC2430 coordinator nodes receive is handed over
Current charge parameter, function is embedded by Labview, using Zigbee telegons as the core of the webserver, for being transferred to
Information in telegon carries out data processing by Data Fusion unit 77, by starting timer, in setting time
By whether being occurred come failure judgement by using weighting algorithm, if send warning information to user mobile phone, pass through ad hoc networks
Network agreement, the current charge parameter of electric automobile is sent to user mobile phone 74 or monitoring using client Internet
Center 78, accordingly even when user can not also monitor current charged state in real time at charging electric vehicle scene, once occur
Charge abnormal conditions, and user's can rushes to charging scene by mobile phone alarm signal, while fault message is sent into production
On producer's cloud data server, follow-up operation, maintenance, the data basis of maintenance can be provided for manufacturer, facilitate product
Upgrading.
The course of work is：
Step 1：Home communication charging socket 7 is connected, the positive and negative 12V DC voltage 8 of conversion generation is struck back through Flayback and divides
Positive and negative 12V voltages are not provided to pwm signal generation module 11 and relay module 6, while pass through buck chopper technology, DC/
It is that main control unit 1 is powered that DC12V/5V DC conversion modules 9, which produce 5V DC voltages,；
Step 2：Protection module part, fall on the ground selftest module 2, current detection module 3, voltage detection module 4, leakage current inspection
Survey module 5 and detect the AC charging signal of home communication charging socket 7 respectively, be sent to detection signal by signal conditioning circuit
Main control unit 1；
Step 3：By protection module part, after startup self-detection is errorless, interface module 12 detects the CP that electric automobile is sent
Control signal, command control signal is reached into main control unit 1 by peak-detector circuit 13；
Step 4：The electric automobile command control signal that main control unit 1 detects according to interface module 12, sends corresponding PWM
Trigger signal, by the isolation drive of light-coupled isolation module 10, pwm control signal is produced by pwm signal generation module 11, passed through
Interface module 12 sends electric automobile to and indicates current working condition；
Step 5：Main control unit 1 exists the control signal real-time storage of protection circuit detection signal and peak-detector circuit 13
In memory module 19, and the data value of collection is come out in the real-time display of man-machine interaction display unit 20.
Step 6：Main control unit 1 is utilized by RS232 serial communications mode and the real-time Communication for Power of Zigbee telegons 14
One upper computer software of Labview software programmings, the electric vehicle alternating-current charging received for showing Zigbee telegons 14
Parameter, function is embedded by Labview, using Zigbee telegons 14 as webserver core, user can be made to pass through hand
Machine browses particular webpage and accesses human-computer interaction interface 20, failure can be believed with the very first time when charge fault occurs for electric automobile
Breath is sent on user mobile phone, so as to reach the purpose of user's remote monitor charge condition, while fault message is sent to
On manufacturer's cloud data server, it is easy to provide the data basis of follow-up operation, maintenance, maintenance for manufacturer, it is convenient
The upgrading of product.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. control and protection device on intelligent high reliability electric automobile cable, it is characterised in that the device includes：Master control list
Member, protection circuit unit, power subsystem, pwm signal generation module, CP working state detection units and human-computer interaction intelligent prison
Control unit；
Wherein, power subsystem, produce positive and negative 12V DC voltage through Flayback conversion by home communication charging socket and give respectively
Pwm signal generation module and relay module power supply, positive and negative 12V DC voltage produce 12V/5V voltages by chopped wave technique
DC/DC modules give main control unit power supply；
CP working state detection units, including interface module is by for sending pwm control signal, while receive CP electric automobiles
Working state control signal, handled by peak-detector circuit and electric automobile working condition is fed back into main control unit；
Pwm signal generation module, it is connected with the interface module, and main control unit is connected to by light-coupled isolation module, and is connect
By the PWM trigger signals of main control unit；
Protection circuit unit, it is by falling on the ground selftest module, current detection module, voltage detection module and leakage current test module structure
Into gathering the ac electric of the home communication charging socket and be transferred to main control unit；
Human-computer interaction intelligent monitoring unit, main control unit is connected to by Zigbee telegons, communicated transfer mode by RS232
The AC charging parameter gathered in real time is sent to Zigbee telegons, while Zigbee telegons will gather information and carry out data
On the one hand the data of processing are sent to user mobile phone by gsm module, on the other hand sent out by client Internet by fusion
It is sent on manufacturer's cloud data server.
2. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
Also include man-machine interaction display interface unit, be that main control unit is connected to by Zigbee telegons, while be connected with main control unit
Memory module connection, the AC charging parameter gathered in real time is sent to memory module, while real time data is sent to man-machine
Interaction display interface unit carries out real time data processing.
3. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
Fall on the ground selftest module to be connected with voltage comparator input in the same direction by rectifier bridge filtered electric capacity C27 and divider resistance R28, refer to
Voltage is connected through divider resistance R22, divider resistance R23 partial pressures with voltage comparator reverse input end, divider resistance R25 and resistance
Partial pressure R26 connects and composes bleeder circuit, and voltage comparator output connects and composes with divider resistance R25.
4. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
Current detection module is connected in parallel by current transformer and an output resistance, via output resistance R31 output induced voltage with
The VIN pins connection of one real effective detection chip ,+VS pins of the electric capacity C33 through VCC power supplys Yu real effective detection chip
Connection, the CAV pipe foot meridian capacitors C34 of real effective detection chip are connected with-VCC, the OUT pins warp of real effective detection chip
One filter capacitor connects and composes with feedback end CF pins.
5. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
Voltage detection module is connected by a fuse through a current-limiting resistance 36 with a voltage transformer, an output resistance and operational amplifier
In-phase input end connects, and resistance R40 connects and composes in-phase proportion fortune with resistance R41 common ports and operational amplifier inverting input
Amplifier is calculated, operational amplifier output is connected with voltage follower, and resistance R44 and electric capacity C45 connect and compose RC filter circuits, and one
Voltage follower connects and composes through RC filter circuits and real effective detection chip and its peripheral circuit.
6. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
Leakage current test module includes：One zero sequence current mutual inductor is connected through output resistance with the first operational amplifier in-phase input end,
Resistance R53 connects and composes in-phase proportion operational amplifier with resistance R54 common ports and the second operational amplifier inverting input, the
Two operational amplifier output terminals are connected with voltage follower, and resistance R56 and electric capacity C57 connect and compose RC filter circuits, voltage with
Connected and composed with device through RC filter circuits and a real effective detection chip and its peripheral circuit.
7. according to control and protection device on the intelligent high reliability electric automobile cable described in claim 1, it is characterised in that
The peak-detector circuit is by resistance R64, and electric capacity C65 is connected in parallel to the inverting input and output end of an operational amplifier
Integral operation circuit is formed, a voltage comparator is connected by resistance R63 with integral operation circuit, and resistance R67 and electric capacity C68 connects
Connect and form RC filter circuits, operational amplifier is connected and composed by filter circuit and a voltage follower.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720485679.7U CN206818778U (en) | 2017-05-03 | 2017-05-03 | Control and protection device on intelligent high reliability electric automobile cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720485679.7U CN206818778U (en) | 2017-05-03 | 2017-05-03 | Control and protection device on intelligent high reliability electric automobile cable |
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| CN206818778U true CN206818778U (en) | 2017-12-29 |
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| CN109387737A (en) * | 2018-11-30 | 2019-02-26 | 珠海格力电器股份有限公司 | Needle seat and plastic shell connection state detection system |
| CN109828451A (en) * | 2019-01-11 | 2019-05-31 | 江苏大学 | The building method of flying wheel battery four-degree-of-freedom magnetic bearing controller for electric vehicle |
| CN110970878A (en) * | 2019-12-24 | 2020-04-07 | 宁夏凯晨电气集团有限公司 | Method for improving band-limited time current quick-break precision based on mean filtering |
| CN115808611A (en) * | 2022-12-13 | 2023-03-17 | 深圳市耀星微电子有限公司 | Integrated circuit test system |
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2017
- 2017-05-03 CN CN201720485679.7U patent/CN206818778U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387737A (en) * | 2018-11-30 | 2019-02-26 | 珠海格力电器股份有限公司 | Needle seat and plastic shell connection state detection system |
| CN109387737B (en) * | 2018-11-30 | 2024-05-24 | 珠海格力电器股份有限公司 | Needle seat and plastic shell connection state detection system |
| CN109828451A (en) * | 2019-01-11 | 2019-05-31 | 江苏大学 | The building method of flying wheel battery four-degree-of-freedom magnetic bearing controller for electric vehicle |
| CN109828451B (en) * | 2019-01-11 | 2021-11-23 | 江苏大学 | Construction method of four-degree-of-freedom magnetic bearing controller of flywheel battery for electric automobile |
| CN110970878A (en) * | 2019-12-24 | 2020-04-07 | 宁夏凯晨电气集团有限公司 | Method for improving band-limited time current quick-break precision based on mean filtering |
| CN110970878B (en) * | 2019-12-24 | 2022-03-04 | 宁夏凯晨电气集团有限公司 | Method for improving band-limited time current quick-break precision based on mean filtering |
| CN115808611A (en) * | 2022-12-13 | 2023-03-17 | 深圳市耀星微电子有限公司 | Integrated circuit test system |
| CN115808611B (en) * | 2022-12-13 | 2023-11-17 | 深圳市耀星微电子有限公司 | Integrated circuit test system |
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Address after: No. 957, Shunda Road, Gaoxin District, Changchun City, Jilin Province, 130000 Patentee after: Changchun Jieyi Automobile Technology Co.,Ltd. Address before: Floor 1, 957 Shunda Road, Changchun hi tech Development Zone, Jilin Province 130000 Patentee before: CHANGCHUN JIEYI AUTO PARTS CO.,LTD. |