CN203119593U - Alternating-current charging post system having stand-by power supply - Google Patents
Alternating-current charging post system having stand-by power supply Download PDFInfo
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- CN203119593U CN203119593U CN 201220686730 CN201220686730U CN203119593U CN 203119593 U CN203119593 U CN 203119593U CN 201220686730 CN201220686730 CN 201220686730 CN 201220686730 U CN201220686730 U CN 201220686730U CN 203119593 U CN203119593 U CN 203119593U
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Abstract
Disclosed is an alternating-current charging post system having a stand-by power supply. The alternating-current charging post system comprises a main MCU unit, a card reading unit, a charging loop unit, an input unit, a display unit, a metering unit, an electromagnetic cabin unit, a voice guiding unit, a stand-by power supply unit, a lightning and electric leakage preventing unit, a communication unit, and an inclination angle detection unit. The alternating-current charging post system is in connection with a background monitor unit of a main station through GPRS/CDMA/RS232/RS485, and also in connection with a vehicle-mounted charger through a PWM signal bus/CAN bus. Compared with charging post systems in the prior art, the alternating-current charging post system having the stand-by power supply can be effectively allowed to work normally for 24 hours by the stand-by power supply unit in the case of power failures during the charging process, thereby protecting the completeness of charging and reducing charging-related complaints caused by the power failures; and simultaneously, the stand-by power supply unit can be charged in a recycled manner when power is restored, thereby prolonging the lives of the stand-by power supply unit and a vehicle-mounted battery.
Description
Technical field
The utility model relates to the charging electric vehicle field, particularly a kind of alternating-current charging pile system that has stand-by power supply.
Background technology
Automobile once was described as the machine that changes the world, when bringing quick mode of transportation to us, had also produced a series of problems such as energy security, environmental pollution and global warming.At present, energy-saving and emission-reduction have become the top priority of global automobile industry, and the development new-energy automobile has become the strategic direction of global auto industry, and new-energy automobile is expected to become the machine that changes the world again.
Electric automobile has become the important development direction that replaces the traditional power automobile, leads the automobile industry New Times as the outstanding representative of new energy development.Instantly, the world car industry is just actively thrown oneself in the exploitation and popularization process of electric automobile, and national governments and enterprise have dropped into a large amount of human and material resources and financial resources in the electric automobile field.China is under the policy guide of three vertical three horizontal research and development layouts, and the electric automobile career development is also very rapid.
Battery and charging technique are the bottlenecks of electric vehicle development, and its business development and operation way thereof have determined popularization degree and the business-like space of electric automobile in some sense.Simultaneously, charging station also is the first sign in new-energy automobile epoch.Under the new forms of energy policy support, estimate that the average annual new-energy automobile demand of 2011-2015 China will reach 350,000,2015 annual requirements will reach 970,000.As the infrastructure of new-energy automobile, electric automobile charging station is expected to break out prior to new-energy automobile market.
Alternating-current charging pile provides energy recharge as the operation of electric automobile, is that electric automobile develops necessary important supporting infrastructure.
Alternating-current charging pile provides ac charging power supply to the electronic passenger vehicle with vehicle-mounted charge machine, and alternating-current charging pile is generally built in the parking lot or the roadside, has that power is less, floor space is little, builds easily the characteristics such as flexible, disposable input is little of layouting.Though it is very simple to build single alternating-current charging pile, alternating-current charging pile will form network could satisfy the needs that electric automobile is popularized.
But whole electrically-charging equipment industry also is in starting and technology stage of fumbling, and alternating-current charging pile is on the market all deposited big very big room for improvement from surface structure, electrical design, control mechanism at present.Existing alternating-current charging pile generally is fixedly mounted on outside the electric automobile, is connected with AC network, and the electric supply installation of AC power is provided for electric automobile vehicle-mounted charge machine (namely being fixedly mounted on the charger on the electric automobile).Alternating-current charging pile only provides electric power output, does not have charge function, and alternating-current charging pile does not have stand-by power supply, and after power down, it is professional to handle charging.
The utility model content
The utility model purpose is to provide a kind of alternating-current charging pile system that has stand-by power supply, generally be fixedly mounted on outside the electric automobile, be connected with AC network to solve alternating-current charging pile of the prior art, the electric supply installation of AC power is provided for electric automobile vehicle-mounted charge machine (namely being fixedly mounted on the charger on the electric automobile), alternating-current charging pile only provides electric power output, there is not charge function, alternating-current charging pile does not have stand-by power supply, after power down, can't handle the professional technical matters of charging.
The utility model purpose is achieved through the following technical solutions:
A kind of alternating-current charging pile system that has stand-by power supply, comprise main MCU unit, card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit, described card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit is connected with main MCU unit respectively, it is characterized in that, described standby power unit comprises the charging circuit subelement, the lead-acid battery of discharge circuit subelement and 12V/5A, described charging circuit subelement output is connected with the lead-acid battery input of 12V/5A, and the lead-acid battery output of described 12V/5A is connected with discharge circuit subelement input.
Preferably, also comprise the background monitoring unit.
Preferably, comprise uplink communication unit and downgoing communication unit, described alternating-current charging pile is connected with the background monitoring unit by the uplink communication unit, and described alternating-current charging pile is connected with vehicle-mounted charge machine communication unit by the downgoing communication unit.
Preferably, described main MCU unit is 32 risc chips.
Preferably, described inclination angle detection unit is obliquity sensor.
Compared with prior art, the utility model has following beneficial effect:
A kind of alternating-current charging pile system that has stand-by power supply of the present utility model can be in charging process if having a power failure, standby power unit can effectively make charging pile carry out operate as normal 24 hours, safeguarded the integrality of charging, the charging that minimizing causes because having a power failure is complained, simultaneously, when sending a telegram here again, can carry out cycle charging to standby power unit, to prolong standby power unit and on-vehicle battery life-span.
Description of drawings
Fig. 1 is alternating-current charging pile system block diagram described in the utility model;
Fig. 2 is the electric automobile dc charging motor charging flow figure of alternating-current charging pile described in the utility model system;
Fig. 3 is the oscillogram of pwm signal bus;
Fig. 4 is alternating-current charging pile charging schematic diagram described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, further introduce the utility model.
Please refer to accompanying drawing 1, a kind of alternating-current charging pile system that has stand-by power supply, comprise main MCU unit, card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit, described card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit is connected with main MCU unit respectively, described standby power unit comprises the charging circuit subelement, the lead-acid battery of discharge circuit subelement and 12V/5A, described charging circuit subelement output is connected with the lead-acid battery input of 12V/5A, and the lead-acid battery output of described 12V/5A is connected with discharge circuit subelement input.
System also comprises the background monitoring unit, comprises uplink communication unit and downgoing communication unit, described alternating-current charging pile is connected with the background monitoring unit by the uplink communication unit, and described alternating-current charging pile is connected with vehicle-mounted charge machine communication unit by the downgoing communication unit.
Introduce composition and the function of each unit of charging pile below respectively:
Card reading unit: compatible various contacts and non-contact IC card, effectively subscriber card is read and write, user profile is fed back to charger fill main MCU;
Input unit: " capacitance touch inductive keyboard " places the acrylic panel back, and by touching the acrylic panel, effectively the information with man-machine interaction is sent to charging pile master MCU;
Electromagnetism warehouse receipt unit: the electromagnetism storehouse mainly is for the connection charging plug, and confirms that whether charging plug connects, and in the process of whole charging, with the door locking, to guarantee the safety of whole charging process, the rifle that prevents from simultaneously charging is stolen by the people fully;
The voice guide unit: according to whole charging process, voice guide is carried out in the work in any one stage so that the user easier finish whole charging process;
Display unit: mainly by 7 cun liquid crystal display screens, three " RUN "s, " charging ", " fault " indicator lights constitute, and show the electric weight of record of charging, warning message, battery information, system information, storage battery.Also device parameter, unit price can be set.Indicator light is when charging: " RUN ", " charging " indicator light meeting Chang Liang show on the LCD screen " charging ".During standby: " RUN " indicator light meeting Chang Liang; Show on the LCD screen " standby ".Malfunction: " fault " indicator light meeting Chang Liang shows on the LCD screen " fault ";
Metering units: according to existing period rate, user's charge capacity is accurately measured, simultaneously power consumption is calculated;
Memory cell: local solid-state memory is up to 32M, and with user profile, the parameters of charge information, electric automobile is carried out this locality preservation, can preserve the user's valid data more than 3 months;
The charge circuit unit: be mainly used in forceful electric power deciliter;
Lightning protection electric leakage unit: comprise two major parts: the one, lightning-protection module, the module of leaking electricity on the other hand; Because charging pile is installed in the open air mostly; after power line is struck by lightning; lightning-protection module dress electric power incoming line place, the effect of lightning-protection module is to protect a kind of electrical equipment that various electric equipments are avoided lightning overvoltage, switching overvoltage in the electric power system, Frequency Transient Overvoltage is impacted and damage.Lightning-protection module be sense on the circuit behind the high pressure moment circuit and " " UNICOM, the lightning current of releasing.Reach the purpose of protection charging pile.The electric leakage module, when the phase line of protected circuit directly or by unexpected load is connected the earth, and generation near sinusoidal ripple and its effective value are the residual currents that slowly changes, when this electric current during greater than certain numerical value, earth leakage protective device cuts off this circuit, and earth leakage protective device can adopt zero sequence current mutual inductor when realizing, its effect is the reflection leakage current signal, so constitute the test section of whole earth leakage protective device; Also be useful on to measure and amplify the leakage current signal part, constitute comparison, the control section of earth leakage protective device; Can adopt A.C. contactor to constitute earth leakage protective operating part.When electric leakage takes place charging pile, separate with power supply fast, guarantee the safety of the person and whole power utilization environment;
Standby power unit: comprise the lead-acid battery of charging circuit subelement, discharge circuit subelement, 12V/5A, at power supply state, charging circuit carries out step-down, rectification to the 220V circuit, judges the voltage of battery simultaneously, if under-voltage, then it is charged; When charging pile is in power down mode, lead-acid battery can be powered to whole charging pile by discharge circuit, and the capacity of lead-acid battery can be guaranteed the charging pile clearing of swiping the card in 24 hours at present, from electromagnetism storehouse taking-up charging cable;
Communication unit: uplink communication unit and downgoing communication unit, the uplink communication unit comprises Ethernet downgoing communication unit, GPRS/CDMA, RS232, infrared, the downgoing communication unit comprises CAN, RS485, descending employing RS485 is connected with electric energy meter, alternating-current charging pile carries out communication by CAN bus and vehicle-mounted charge machine, judge by the mode that the CAN communication is shaken hands whether charger correctly is connected with alternating-current charging pile, as correctly not connecting, then can't start charging process; Obtain the relevant parameter information of storage battery, as battery tension, dump energy, battery temperature etc.Alternating-current charging pile is up can to pass through GPRS/CDMA or Ethernet and background monitoring system communication, charge information is uploaded to main website, so that main website manages whole charging system.
The inclination angle detection unit: there is the inclination angle detection design charging pile inside, because by vehicle collision, when the angle inclination takes place, can cut off main power circuit automatically, with the safety of protection life and whole power utilization environment when charging pile.
Main MCU: adopt 32 risc chips, carry out the collection of data by CAN bus, 485 buses, Ethernet, the data of transmission and the data of collection judge, and carry out keeping being connected of network bearing the communication management function with the backstage according to the accurate agreement of accurate sighting target.Control system association bar is handled all module design task as requested.
The included standby power unit operation principle of this alternating-current charging pile is: this alternating-current charging pile provides the Alternating Current Power Supply ability of AC220V/7kw, at power supply state, charging circuit carries out step-down, rectification to the 220V circuit, judges the voltage of battery simultaneously, if under-voltage, then it is charged; When charging pile is in power down mode, lead-acid battery can be powered to whole charging pile by discharge circuit, and the capacity of lead-acid battery can be guaranteed the charging pile clearing of swiping the card in 24 hours at present, from electromagnetism storehouse taking-up charging cable.
Please refer to Fig. 2, electric automobile dc charging motor charging flow is as follows:
1) user holds subscriber card, swipes the card at alternating-current charging pile, and alternating-current charging pile is read user profile, by " soft-touch type induction keyboard " input password, simultaneously user profile is uploaded to main website, and makes corresponding authority identification;
2) alternating-current charging pile master control module judges whether the user is correct, and whether enough remaining sums are arranged, if the user is correct and the enough amount of money is arranged, then opens the socket door lock, and prompting connects charging plug;
3) please refer to Fig. 3 and 4, closed figure four S1 of alternating-current charging pile master control molding, send ± the 12V pwm signal, when the vehicle-mounted charge machine receives pwm signal, confirm that the charging rifle is connected with charging socket and put in place that the voltage of test point 1 changes, whether while vehicle-mounted charge machine affirmation itself is connected normal with battery, if normally closed S2, the voltage of test point 1 changes again.The master control module is received the charging plug successful connection, and battery connects normal signal, and the master control module is confirmed and can be charged, the electromagnetism of locking simultaneously storehouse, and be presented on the liquid crystal display screen.
4) user is by " soft-touch type induction keyboard ", according to the information of liquid crystal display screen prompting, according to oneself situation configuration parameter, selects to be full of automatically a kind of in pattern, amount of money pattern, electric weight pattern, the temporal mode, imports corresponding parameter, confirms to charge.
5) in the charging process, the master control module regularly detects vehicle-mounted charger charged state, and when overvoltage, under-voltage, electric leakage etc. occurring when unusual, charger stops energising immediately, and alarm lamp is bright, and warning message is uploaded to Charge Management serves main website.
6) battery is full of complete charge or manual complete charge, and the amount of money of clearing charging simultaneously finishes this charging.Alternating-current charging pile uploads to main website with relevant information by modes such as Ethernet or GRPS/CDMA.
To sum up execution mode as can be known, a kind of alternating-current charging pile system that has stand-by power supply of the present utility model can be in charging process if having a power failure, standby power unit can effectively make charging pile carry out operate as normal 24 hours, safeguarded the integrality of charging, the charging that minimizing causes because having a power failure is complained, simultaneously, and when sending a telegram here again, can carry out cycle charging to standby power unit, to prolong standby power unit and on-vehicle battery life-span.
The utility model preferred embodiment just is used for helping to set forth the utility model.Preferred embodiment does not have all details of detailed descriptionthe, does not limit this utility model yet and only is described embodiment.Obviously, according to the content of this specification, can make many modifications and variations.These embodiment are chosen and specifically described to this specification, is in order to explain principle of the present utility model and practical application better, thereby the technical field technical staff can utilize the utility model well under making.The utility model only is subjected to the restriction of claims and four corner and equivalent.More than disclosed only be several specific embodiments of the application, but the application is not limited thereto, any those skilled in the art can think variation, all should drop in the application's the protection range.
Claims (5)
1. alternating-current charging pile system that has stand-by power supply, comprise main MCU unit, card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit, described card reading unit, the charge circuit unit, input unit, display unit, metering units, electromagnetism warehouse receipt unit, the voice guide unit, standby power unit, lightning protection electric leakage unit, communication unit, the inclination angle detection unit is connected with main MCU unit respectively, it is characterized in that, described standby power unit comprises the charging circuit subelement, the lead-acid battery of discharge circuit subelement and 12V/5A, described charging circuit subelement output is connected with the lead-acid battery input of 12V/5A, and the lead-acid battery output of described 12V/5A is connected with discharge circuit subelement input.
2. the alternating-current charging pile system that has stand-by power supply as claimed in claim 1 is characterized in that, also comprises the background monitoring unit.
3. the alternating-current charging pile system that has stand-by power supply as claimed in claim 2, it is characterized in that, comprise uplink communication unit and downgoing communication unit, described alternating-current charging pile is connected with the background monitoring unit by the uplink communication unit, and described alternating-current charging pile is connected with vehicle-mounted charge machine communication unit by the downgoing communication unit.
4. the alternating-current charging pile system that has stand-by power supply as claimed in claim 1 is characterized in that, described main MCU unit is 32 risc chips.
5. the alternating-current charging pile system that has stand-by power supply as claimed in claim 1 is characterized in that, described inclination angle detection unit is obliquity sensor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220686730 CN203119593U (en) | 2012-12-11 | 2012-12-11 | Alternating-current charging post system having stand-by power supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220686730 CN203119593U (en) | 2012-12-11 | 2012-12-11 | Alternating-current charging post system having stand-by power supply |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023115A (en) * | 2012-12-20 | 2013-04-03 | 浙江万马新能源有限公司 | Alternating current charging pile |
| CN104269895A (en) * | 2014-09-15 | 2015-01-07 | 国家电网公司 | Integrated intelligent charging parking garage for electric passenger car |
| CN105141020A (en) * | 2015-09-29 | 2015-12-09 | 大连罗宾森电源设备有限公司 | Module integrated type single and dual-gun alternating current (AC) charging pile |
| CN106183878A (en) * | 2016-08-31 | 2016-12-07 | 苏州迈力电器有限公司 | A kind of alternating-current charging pile improving three-phase load active power |
| CN106329686A (en) * | 2016-08-31 | 2017-01-11 | 苏州迈力电器有限公司 | AC charging pile based on three-phase load imbalance automatic compensation |
| CN106314172A (en) * | 2016-08-31 | 2017-01-11 | 苏州迈力电器有限公司 | AC charging pile based on automatic regulation of three phase unbalanced load |
| CN106712228A (en) * | 2015-11-17 | 2017-05-24 | 上海控源电子科技有限公司 | Electric automobile charging pile control system |
| EP3048696A4 (en) * | 2013-09-17 | 2017-10-25 | Shandong Luneng Intelligence Technology Co., Ltd | Smart, integrated charging device for electric vehicles |
| CN110877548A (en) * | 2018-08-22 | 2020-03-13 | 上海权策微电子技术有限公司 | Electric automobile BMS charging monitoring system |
-
2012
- 2012-12-11 CN CN 201220686730 patent/CN203119593U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023115A (en) * | 2012-12-20 | 2013-04-03 | 浙江万马新能源有限公司 | Alternating current charging pile |
| EP3048696A4 (en) * | 2013-09-17 | 2017-10-25 | Shandong Luneng Intelligence Technology Co., Ltd | Smart, integrated charging device for electric vehicles |
| US9969286B2 (en) | 2013-09-17 | 2018-05-15 | Shandong Luneng Intelligence Technology Co., Ltd | Smart, integrated charging device for electric vehicles |
| CN104269895A (en) * | 2014-09-15 | 2015-01-07 | 国家电网公司 | Integrated intelligent charging parking garage for electric passenger car |
| CN105141020A (en) * | 2015-09-29 | 2015-12-09 | 大连罗宾森电源设备有限公司 | Module integrated type single and dual-gun alternating current (AC) charging pile |
| CN106712228A (en) * | 2015-11-17 | 2017-05-24 | 上海控源电子科技有限公司 | Electric automobile charging pile control system |
| CN106183878A (en) * | 2016-08-31 | 2016-12-07 | 苏州迈力电器有限公司 | A kind of alternating-current charging pile improving three-phase load active power |
| CN106329686A (en) * | 2016-08-31 | 2017-01-11 | 苏州迈力电器有限公司 | AC charging pile based on three-phase load imbalance automatic compensation |
| CN106314172A (en) * | 2016-08-31 | 2017-01-11 | 苏州迈力电器有限公司 | AC charging pile based on automatic regulation of three phase unbalanced load |
| CN106183878B (en) * | 2016-08-31 | 2019-03-15 | 苏州迈力电器有限公司 | A kind of alternating-current charging pile improving three-phase load active power |
| CN110877548A (en) * | 2018-08-22 | 2020-03-13 | 上海权策微电子技术有限公司 | Electric automobile BMS charging monitoring system |
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Granted publication date: 20130807 |
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