CN102227089A - Charging cabinet - Google Patents
Charging cabinet Download PDFInfo
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- CN102227089A CN102227089A CN2011101679590A CN201110167959A CN102227089A CN 102227089 A CN102227089 A CN 102227089A CN 2011101679590 A CN2011101679590 A CN 2011101679590A CN 201110167959 A CN201110167959 A CN 201110167959A CN 102227089 A CN102227089 A CN 102227089A
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Abstract
The invention discloses a charging cabinet characterized by low cost, good reliability and high charging efficiency. The charging cabinet is provided with at least one set of charging module. The charging module comprises a current limiting module (1), a rectifier bridge (2) and a charging socket (3). The current limiting module is composed of a plurality of capacitors (c). A contactor is used to control the output state of each capacitor (c). An alternating current entering from the input terminal of the charging module passes through the current limiting module (1), the rectifier bridge (2) and turns into a direct current which is outputted by a charging socket (3). The invention is used for charging power storage batteries on electric automobiles.
Description
Technical field
The present invention relates to a kind of charging cabinet for the charging of the power accumulator on the electric automobile.
Background technology
At present, people's environmental consciousness improves day by day, to the protection of environment and the pay attention to day by day of use effectively and reasonably of the energy, orthodox car to fuel consume and exhaust gas discharging considerably beyond people's desired value.Therefore, just seasonable and give birth to as the electric automobile of clean energy, and will replace rapidly and replacing fuel combustion vehicle in the many-sided advantage of energy-saving and environmental protection with it.
The power resources of electric motor car are vehicle-mounted power accumulators, and in time fast giving the power accumulator electric energy supplement is to promote problem anxious to be solved in the popularization of electric automobile and the mass production process present stage.Give the power accumulator electric energy supplement, be to be transformed into the DC power supply charging of the power accumulator in pure electric automobile again by charging device after by electrical network or generating equipment AC power being imported charging device, described charging device can be that self is vehicle-mounted, also can be fixing or special charging machine/cabinet of flowing/stand/institute.
In the prior art, charger mostly is the transformer type charger, and isolating transformer, rectification unit, control circuit etc. are set in charger, three-phase alternating-current supply is transformed into corresponding DC power supply exports to charge in batteries in the pure electric automobile.For the charger that Industrial Frequency Transformer is set, its volume is very big, heavy, and copper consumption is big, and cost is higher and charge efficiency is low; And for the charger that high frequency transformer is set, because of its high-frequency inverter adopts volume little, lightweight high frequency magnetic core material, improved the power density of circuit greatly, make that the no-load loss of inverter is very little, inversion efficiency is improved, usually the high-frequency inverter peak conversion efficiency reaches more than 90%, but also there is significant disadvantage in it: high-frequency inverter can not fill the inductive load of load, and overload capacity is poor, with present technology monomer power can not do very big, do that powerful charger is must many in parallel to be used, increased the complexity and the cost of equipment, the equipment failure rate is higher, poor reliability.
Summary of the invention
Problem to be solved by this invention is the defective that overcomes above-mentioned prior art, provides that a kind of cost is low, reliability and the high charging cabinet of charge efficiency.
Technical scheme of the present invention is: at least one group of charging module is set in the charging cabinet of the present invention, described charging module comprises current limliting module, rectifier bridge, charging socket, described current limliting module is made up of some capacitors, is controlled the output state of each capacitor by contactor; The alternating current that enters from the charging module input becomes direct current and is exported by charging socket behind current limliting module, rectifier bridge.
Described charging module comprises that also electric energy metering machine, 485 changes CAN module, communication control module, temperature control modules, display module, and parameters such as the temperature of charging voltage, electric current, charging module, the state parameter that is recharged storage battery and charge volume, the charging electricity charge are passed through the transmitting and displaying of communication control module in the display screen of charging cabinet.
The top of described charging cabinet is provided with heat abstractor.
Described charging module is connected with a computer, and computer monitors and control the output and the storage related data of charging module.
Described computer is connected with UPS.
The present invention has following beneficial effect:
1. be provided with at least one group of charging module in the charging cabinet of the present invention, described charging module comprises current limliting module, rectifier bridge, charging socket, described current limliting module is made up of some capacitors, the output state of being controlled each capacitor by contactor can charge a battery with different gears to export suitable charging current, and, adopt capacitor in the charging module, compare with traditional transformer type charger, have that cost is low, reliability is high, constant current is effective, the charge efficiency advantages of higher;
2. charging module of the present invention comprises that also electric energy metering machine, 485 changes CAN module, communication control module, temperature control modules, display module, the transmitting and displaying of parameters such as the temperature of charging voltage, electric current, charging module, the state parameter that is recharged the automobile power storage battery and charge volume, the charging electricity charge by communication control module in the display screen of charging cabinet and in control on the display screen of computer and be stored in the storage device of controlling computer, can realize man-machine exchange, functions such as electric energy metrical, charging and related data analysis, management, make management, safeguard more convenient.
Description of drawings
Fig. 1 is the electrical schematic diagram of 150A charging module of the present invention;
Electric current, voltage curve when Fig. 2 is to use 150A charging module of the present invention to charge a battery;
The flow chart of phase I charging when Fig. 2 a is to use 150A charging module of the present invention to charge a battery;
The flow chart of second stage charging when Fig. 2 b is to use 150A charging module of the present invention to charge a battery;
The flow chart of phase III charging when Fig. 2 c is to use 150A charging module of the present invention to charge a battery;
The flow chart of charging ending phase when Fig. 2 d is to use 150A charging module of the present invention to charge a battery;
Fig. 3 is the electrical schematic diagram of 300A charging module of the present invention;
Electric current, voltage curve when Fig. 4 is to use 300A charging module of the present invention to charge a battery;
The flow chart of phase I charging when Fig. 4 a is to use 300A charging module of the present invention to charge a battery;
The flow chart of second stage charging when Fig. 4 b is to use 300A charging module of the present invention to charge a battery;
The flow chart of phase III charging when Fig. 4 c is to use 300A charging module of the present invention to charge a battery;
The flow chart of quadravalence section charging when Fig. 4 d is to use 300A charging module of the present invention to charge a battery;
The flow chart of five-stage charging when Fig. 4 e is to use 300A charging module of the present invention to charge a battery;
The flow chart of the 6th stage charging when Fig. 4 f is to use 300A charging module of the present invention to charge a battery;
The flow chart of charging ending phase when Fig. 4 g is to use 300A charging module of the present invention to charge a battery.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the solution of the present invention is done concrete detailed description the in detail.
At least one group of charging module is set in the charging cabinet of the present invention, four charging modules that are in parallel are set in the charging cabinet of present embodiment, wherein comprise a 300A charging module and three 150A charging modules, the input of charging module connects electric supply, charging module is connected with controlling computer, the output state of controlling computer monitoring charging module, controlling computer also is connected with UPS, can in time store data during in order to sudden power, charging cabinet top is provided with heat abstractor, the mode that adopts the top to extract out, the regulator cubicle fan is set, dustproof guard, can dispel the heat effectively, and prevent that dust from entering electric cabinet inside, guarantee electric cabinet can be under the bigger environment of dust operate as normal.
Figure 1 shows that the electrical schematic diagram of 150A charging module, this charging module comprises current limliting module 1, rectifier bridge 2, charging socket 3, electric energy metering machine 4,485 change the CAN module, communication control module, temperature control modules, display module, the 380V alternating current that enters from the charging module input is through current limliting module 1, become direct current behind the rectifier bridge 2 by charging socket 3 outputs, current limliting module 1 is in parallel by three group capacitor C and forms, wherein first group of A.C. contactor KM1 control by heavy DC control, after second group and the 3rd group of parallel connection by the A.C. contactor KM2 control of heavy DC control, A.C. contactor KM1 and KM2 are controlled by communication control module, communication control module is gathered the rechargeable battery total voltage and is controlled the switch motion of the KM1 and the KM2 of A.C. contactor by the total voltage that the CAN bus reads single battery, and the electric current that can divide three gears output needs is to the automobile power charge in batteries; Total electric weight that electric energy metering machine 4 is consumed when being used to show charging, change the CAN bus module by 485 and send data to communication control module, controlling computer, communication control module is used for chargeing after reading electric weight, display module is shown in CAN bus message real-time and effective on the display screen of the display screen of charging cabinet and controlling computer, controlling computer can be stored in the CAN bus message management maintenance that is used for historical data analysis and equipment in its storage device, temperature control modules is used to detect the temperature of rectifier bridge 2, start heat abstractor if temperature is too high and dispel the heat, so that make its steady operation.
As shown in Figure 2, be electric current and voltage curve when giving the automobile power charge in batteries of 346V with 150A charging module of the present invention.
Charging process control:
Initial condition: A.C. contactor KM1 and A.C. contactor KM2 are off-states;
Phase I charging: shown in Fig. 2 a, when charging plug is connected to the power accumulator that is recharged on the automobile, whether the communication control modules in the charging pile 4 at first detect in the total voltage of being filled batteries and the battery pack single battery unusual, during more than the direct voltage that detects battery pack is greater than 250V and less than 370V, and read by the CAN bus that single battery does not have over voltage alarm in the battery pack, then adhesive A.C. contactor KM1 and A.C. contactor KM2 successively, carry out quick charge, this moment, charging current was 100% charging current;
Second stage charging: shown in Fig. 2 b, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage is during greater than 370V, perhaps detect single battery and over voltage alarm occurs,, then disconnect A.C. contactor KM1 even assembled battery total voltage does not reach 370V, switch to the trickle charge state, this moment, charging current dropped to total charging current value of 66%;
Phase III charging: shown in Fig. 2 c, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage is during once more greater than 370V, perhaps detect single battery and over voltage alarm occurs,, then disconnect A.C. contactor KM2 earlier even assembled battery total voltage does not reach 370V, and then adhesive A.C. contactor 1, this moment, charging current dropped to 33% total charging current value;
Charging ending phase: shown in Fig. 2 d,, over voltage alarm occurs, when perhaps assembled battery total voltage reaches 370V, then disconnect A.C. contactor KM1 and A.C. contactor KM2 immediately, complete charge when detecting single battery when battery during in the charging of 33% total current.
Figure 3 shows that the electrical schematic diagram of 300A charging module of the present invention, 300A charging module and 150A charging module circuit structure are basic identical, difference is, current limliting module 1 is in parallel by six group capacitor C and forms, wherein first group of A.C. contactor KM1 control by big Current Control, after second group and the 3rd group of parallel connection by the A.C. contactor KM2 control of heavy DC control, the 4th group, after the 5th group and the 6th group of parallel connection by the A.C. contactor KM3 control of heavy DC control, A.C. contactor KM1, KM2 and KM3 are controlled by communication control module, the communication control module collection is recharged the battery total voltage and controls the KM1 of A.C. contactor by the total voltage that the CAN bus reads single battery, the switch motion of KM2 and KM3 can divide the electric current of six gear output needs to give the automobile power charge in batteries.
As shown in Figure 4, be electric current and voltage curve when giving the automobile power charge in batteries of 346V with 300A charging module of the present invention.
Charging process control:
Initial condition: A.C. contactor KM1, A.C. contactor KM2 and A.C. contactor KM3 are off-states;
Phase I charging: shown in Fig. 4 a, when charging plug is connected on the power accumulator that is recharged automobile, whether the communication control module in the charging pile at first detects in the total voltage of being filled batteries and the battery pack single battery unusual, during more than the direct voltage that detects battery pack is greater than 250V and less than 370V, and read by the CAN bus that single battery does not have over voltage alarm in the battery pack, then adhesive A.C. contactor KM1, A.C. contactor KM2 and A.C. contactor KM3 carry out quick charge successively, and this moment, charging current was 100% charging current;
Second stage charging: shown in Fig. 4 b, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage is during greater than 370V, perhaps detect single battery and over voltage alarm occurs,, then disconnect A.C. contactor KM1 even assembled battery total voltage does not reach 370V, switch to the trickle charge state, this moment, charging current dropped to total charging current value of 83%;
Phase III charging: shown in Fig. 4 c, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage perhaps detects single battery and over voltage alarm occurs, even assembled battery total voltage does not reach 370V during greater than 370V, then disconnect A.C. contactor KM2 earlier, adhesive A.C. contactor KM1 again, A.C. contactor KM3 keeps attracting state, and this moment, charging current dropped to total charging current value of 66%;
Quadravalence section charging: shown in Fig. 4 d, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage perhaps detects single battery and over voltage alarm occurs, even assembled battery total voltage does not reach 370V during greater than 370V, then disconnect A.C. contactor KM1, A.C. contactor KM2 keeps disconnecting, and A.C. contactor KM3 keeps attracting state, and this moment, charging current dropped to 50% of total charging current;
Five-stage charging: shown in Fig. 4 e, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage perhaps detects single battery and over voltage alarm occurs, even assembled battery total voltage does not reach 370V during greater than 370V, then disconnect A.C. contactor KM3 earlier, adhesive A.C. contactor KM2 again, A.C. contactor KM1 keep disconnecting, and this moment, charging current dropped to 33% of total charging current;
The 6th stage charging: shown in Fig. 4 f, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage perhaps detects single battery and over voltage alarm occurs, even assembled battery total voltage does not reach 370V during greater than 370V, then disconnect A.C. contactor KM2 earlier, adhesive A.C. contactor KM1 again, A.C. contactor KM3 keep disconnecting, and this moment, charging current dropped to 17% of total charging current;
Charging ending phase: shown in Fig. 4 g, in the charging process, read single battery by the CAN bus and do not have over voltage alarm, but assembled battery total voltage is during greater than 370V, perhaps detect single battery and over voltage alarm occurs,, then disconnect A.C. contactor KM1, KM2, KM3 immediately even assembled battery total voltage does not reach 370V, this moment, the charging current vanishing no longer charged the battery.
The above only is preferred embodiment of the present invention, not in order to limit the present invention.All any modifications of under ideals and principles of the present invention, being done, be equal to and replace and improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. charging cabinet, it is characterized in that: at least one group of charging module is set in the described charging cabinet, described charging module comprises current limliting module (1), rectifier bridge (2), charging socket (3), described current limliting module (1) is made up of some capacitors (C), is controlled the output state of each capacitor (C) by contactor; The alternating current that enters from the charging module input becomes direct current and is exported by charging socket (3) behind current limliting module (1), rectifier bridge (2).
2. charging cabinet according to claim 1, it is characterized in that: described charging module comprises that also electric energy metering machine (4), 485 changes CAN module, communication control module, temperature control modules, display module, and parameters such as the temperature of charging voltage, electric current, charging module, the state parameter that is recharged storage battery and charge volume, the charging electricity charge are passed through the transmitting and displaying of communication control module on the display screen of charging cabinet.
3. charging cabinet according to claim 2 is characterized in that: the top of described charging cabinet is provided with heat abstractor.
4. according to claim 1 or 2 or 3 described charging cabinets, it is characterized in that: described charging module be connected controlling computer, controlling computer monitors and the output of control charging module storage related data also.
5. charging cabinet according to claim 4 is characterized in that: the control computer is connected with UPS in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101679590A CN102227089A (en) | 2011-06-21 | 2011-06-21 | Charging cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101679590A CN102227089A (en) | 2011-06-21 | 2011-06-21 | Charging cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102227089A true CN102227089A (en) | 2011-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101679590A Pending CN102227089A (en) | 2011-06-21 | 2011-06-21 | Charging cabinet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683187A (en) * | 2013-12-03 | 2014-03-26 | 中国核电工程有限公司 | Nuclear plant two-stage electric leakage fault protection method |
| CN106253370A (en) * | 2016-07-29 | 2016-12-21 | 郑仕群 | A kind of domestic intelligent charging of mobile devices cabinet |
Citations (6)
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| CN2054226U (en) * | 1989-03-13 | 1990-03-07 | 刘超英 | Capacitive charger |
| CN2355490Y (en) * | 1997-05-24 | 1999-12-22 | 张心法 | Pre-selection electric charger with voltage adaptor and full wave and constant current circuits |
| JP2000209775A (en) * | 1999-01-18 | 2000-07-28 | Okamura Kenkyusho:Kk | Serial connected step number switching type capacitor power unit |
| CN101499673A (en) * | 2009-02-27 | 2009-08-05 | 天津清源电动车辆有限责任公司 | Multifunctional integrated charger for electric automobile having compensation charging function |
| CN101976877A (en) * | 2010-10-09 | 2011-02-16 | 北京市欣博通能科传动技术有限公司 | Concentrated direct-current power supply skid-mounted electric automobile charging house |
| CN202094683U (en) * | 2011-06-21 | 2011-12-28 | 珠海银通新动力科技有限公司 | Charging cabinet |
-
2011
- 2011-06-21 CN CN2011101679590A patent/CN102227089A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054226U (en) * | 1989-03-13 | 1990-03-07 | 刘超英 | Capacitive charger |
| CN2355490Y (en) * | 1997-05-24 | 1999-12-22 | 张心法 | Pre-selection electric charger with voltage adaptor and full wave and constant current circuits |
| JP2000209775A (en) * | 1999-01-18 | 2000-07-28 | Okamura Kenkyusho:Kk | Serial connected step number switching type capacitor power unit |
| CN101499673A (en) * | 2009-02-27 | 2009-08-05 | 天津清源电动车辆有限责任公司 | Multifunctional integrated charger for electric automobile having compensation charging function |
| CN101976877A (en) * | 2010-10-09 | 2011-02-16 | 北京市欣博通能科传动技术有限公司 | Concentrated direct-current power supply skid-mounted electric automobile charging house |
| CN202094683U (en) * | 2011-06-21 | 2011-12-28 | 珠海银通新动力科技有限公司 | Charging cabinet |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683187A (en) * | 2013-12-03 | 2014-03-26 | 中国核电工程有限公司 | Nuclear plant two-stage electric leakage fault protection method |
| CN103683187B (en) * | 2013-12-03 | 2016-11-16 | 中国核电工程有限公司 | Nuclear power station two-part leak current fault guard method |
| CN106253370A (en) * | 2016-07-29 | 2016-12-21 | 郑仕群 | A kind of domestic intelligent charging of mobile devices cabinet |
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Application publication date: 20111026 |