CN200969526Y - Large-sized electric automobile accumulator pulse type fast charger - Google Patents
Large-sized electric automobile accumulator pulse type fast charger Download PDFInfo
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- CN200969526Y CN200969526Y CNU2006200353305U CN200620035330U CN200969526Y CN 200969526 Y CN200969526 Y CN 200969526Y CN U2006200353305 U CNU2006200353305 U CN U2006200353305U CN 200620035330 U CN200620035330 U CN 200620035330U CN 200969526 Y CN200969526 Y CN 200969526Y
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Abstract
The utility model relates to a storage battery charging device, especially to a large electric vehicle storage battery pulse type fast charge device. The product consists of a power interface, an oscillation driving circuit, a switch power output circuit, a high frequency rectifier wave-filtering circuit, and a storage battery interface. The characters are that the device is arranged with a voltage sampling branch, a sampling current transformer, a microprocessor, a battery shell temperature sensor, and a light coupling device, the oscillation driving circuit is a pulse width controlled driving circuit, and the switch power output circuit is a balance bridge type high power switch power output circuit. Due to the improvement of the utility model, the problems of large volume, great weight, high cost, inconvenient vehicle, and unable fast charged which exist in the conventional electromagnetic transformer are solved.
Description
Technical field
The utility model relates to a kind of battery charging plant, the fast fill device of especially a kind of Large Electric automobile storage battery pulsed.
Background technology
The accumulator of electric car that 120～200 ampere-hours are above will become the important indispensable equipment that substitutes the existing energy very soon.The charging device of current relevant automobile-used large-sized battery is hard-wired all, and volume and weight is about 100～150 kilograms, and structure all adopts the pattern of the ferromagnetic transformer step-down rectifier of conventional 50HZ.Also only adopting conventional slow charging technique aspect the charging standard.This situation can be seen at any time in places such as each city vehicle repairing factory or retail departments.But because the charging of existing charging device is consuming time longer, charge efficiency is low, and the charger volume is big, and this has not only brought inconvenience to the user and heavy, more is unfavorable for using and developing of electric automobile.Therefore, be necessary to provide a kind of novel charging device.
The utility model content
The purpose of this utility model promptly provides the seat formula that a kind of volume is little, in light weight, capacity is big, efficient is high, the vehicle-mounted dual-purpose fast fill device of Large Electric automobile storage battery pulsed.
To achieve these goals, the utility model has adopted following basic fundamental design: be controlled by " microprocessor " by interlock circuits such as " the controlled drive circuit of pulsewidth ", " autobalance bridge-type high power switching power supply output circuit ", " rectifier filter circuit " and voltage, electric current, temperature samplings, form the fast fill device with great power and high efficiency charging of an overall pulse current charges.
Specifically, the fast fill device of Large Electric automobile storage battery pulsed of the present utility model has power interface, oscillation drive circuit, switch power supply output circuit, rectifier filter circuit and storage battery interface, it is characterized in that being provided with the voltage sample branch road, the sample rate current instrument transformer, microprocessor, battery case temperature sensor and optical coupler, described oscillation drive circuit is the controlled drive circuit of pulsewidth, described switch power supply output circuit is an autobalance bridge-type high power switching power supply output circuit, the controlled drive circuit of described pulsewidth has first signal input end, second signal input end and oscillator signal output, described autobalance bridge-type high power switching power supply output circuit has power end, the controlled signal input, power take-off and sample rate current signal output part, described rectifier filter circuit has the power input, output cathode and output negative pole, described microprocessor has the voltage sampling signal input, the current sampling signal input, temperature sensor signal input and pulse-width control signal output, described battery case temperature sensor has the temperature sensor signal output, the controlled signal input of the oscillator signal output termination autobalance bridge-type high power switching power supply output circuit of the controlled drive circuit of described pulsewidth, the power take-off of described autobalance bridge-type high power switching power supply output circuit connects the power input of rectifier filter circuit, the output cathode of described rectifier filter circuit and output negative pole respectively with the storage battery interface just, negative pole is connected, described voltage sample branch road is connected across between the output cathode and output negative pole of rectifier filter circuit, the voltage sampling signal output of described voltage sample branch road is connected with the voltage sampling signal input of microprocessor, one end of described sample rate current instrument transformer is connected with the sample rate current signal output part of autobalance bridge-type high power switching power supply output circuit, the other end of described sample rate current instrument transformer is connected with the current sampling signal input of microprocessor and second signal input end of the controlled drive circuit of pulsewidth respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor of described microprocessor, described optical coupler is serially connected between first signal input end of the pulse-width control signal output of microprocessor and the controlled drive circuit of pulsewidth, and described power interface is connected with the power end of autobalance bridge-type high power switching power supply output circuit.
Operation principle of the present utility model is as follows:
Industrial frequency rectifying filter by routine changes the 220V alternating voltage into the 300V direct voltage, introduces through the power interface of this device, to the power end power supply of autobalance bridge-type high power switching power supply output circuit.Herein, conventional industrial frequency rectifying filter can be the device of peripheral hardware, but where necessary, also can directly it be produced within this product.During the work of this device, by autobalance bridge-type high power switching power supply output circuit the high-frequency driving signal that the controlled drive circuit of pulsewidth provides is carried out powerful power amplification, again after rectifier filter circuit is handled, the electric current that acquisition can be filled soon to battery.
Comprehensively be recharged the electric current of pond group with the pre-set programs of microprocessor, voltage, temperature, parameters such as time also judge, the instruction of sending the driving pulse of distinct pulse widths to " the controlled driver of pulsewidth ", carry out power amplification by " autobalance bridge-type high power switching power supply output circuit ", become the direct current of pulsating nature again by " rectifier filter circuit ", the different charging stages is under the control of microprocessor, fill the mean value that the gap obtains different charging currents with different charging pulse width with different stopping, with the pulsating current that meets the battery characteristics requirement to batteries charging, thereby be converted into the chemical energy of storage battery expeditiously.
In the utility model, above-mentioned microprocessor can adopt commercially available multiple existing product, is that microprocessor or the chip of 15L-10PI is microprocessor of 89C2051 series or the like as chip.
Compare with aforementioned existing electromagnetic transformers step-down rectifier equipment, characteristics of the present utility model are: 1. adopted autobalance bridge-type high power switching power supply output circuit, realized high-frequency driving signal is carried out powerful power amplification; 2. adopted the charge mode of the optimization pulse of microprocessor monitors, solved and filled soon and contradiction efficiently; 3. adopt the sample rate current instrument transformer, realized the athermic again current sample of accuracy height.Because adopted the advanced technology of high power switching power supply, power output reaches 5000 watts, accomplished that volume is little, capacity is had ready conditions greatly, fully to be designed to vehicular equipment.The capacity of the utility model equipment is big, charging is fast, and the radius of action of Large Electric automobile is increased greatly.In addition, compared with prior art, the utility model is comprehensively to be judged by voltage, electric current, temperature, the time of battery pack by microprocessor, the big current system of whole charging process apply pulse has reached rationally fills soon, simultaneously can in time be converted to the trickle charge that idle hours is longer, mean value is littler again, make the charging of battery more abundant.Long gap pulse current charge helps the battery cooling, and unpolarizing is obvious, and the characteristics of high capacity cell are attained full and complete satisfaction.Therefore, by improvement of the present utility model, the existing volume of conventional electromagnetic transformers step-down rectifier technology is big, weight is big, cost is high, inconvenience is vehicle-mounted, can not fill soon etc., and problem has all obtained solution.
By the following examples content of the present utility model is done further explanation, but need to prove that content of the present utility model is not limited only to content related among the embodiment.
Description of drawings
Fig. 1 is the circuit block diagram of the fast fill device of Large Electric automobile storage battery pulsed among the embodiment.
Fig. 2 is the circuit diagram of the fast fill device of Large Electric automobile storage battery pulsed among the embodiment.
Embodiment
As shown in Figure 1, the fast fill device of Large Electric automobile storage battery pulsed in the present embodiment has power interface 1, oscillation drive circuit, switch power supply output circuit, rectifier filter circuit 4 and storage battery interface 5, it is characterized in that being provided with voltage sample branch road 6, sample rate current instrument transformer 7, microprocessor 8, battery case temperature sensor 9 and optical coupler 10, described oscillation drive circuit is the controlled drive circuit 2 of pulsewidth, described switch power supply output circuit is an autobalance bridge-type high power switching power supply output circuit 3, the controlled drive circuit 2 of described pulsewidth has first signal input end, second signal input end and oscillator signal output, described autobalance bridge-type high power switching power supply output circuit 3 has power end, the controlled signal input, power take-off and sample rate current signal output part, described rectifier filter circuit 4 has the power input, output cathode and output negative pole, described microprocessor 8 has the voltage sampling signal input, the current sampling signal input, temperature sensor signal input and pulse-width control signal output, described battery case temperature sensor 9 has the temperature sensor signal output, the controlled signal input of the oscillator signal output termination autobalance bridge-type high power switching power supply output circuit 3 of the controlled drive circuit 2 of described pulsewidth, the power take-off of described autobalance bridge-type high power switching power supply output circuit 3 connects the power input of rectifier filter circuit 4, the output cathode of described rectifier filter circuit 4 and output negative pole respectively with storage battery interface 5 just, negative pole is connected, described voltage sample branch road 6 is connected across between the output cathode and output negative pole of rectifier filter circuit 4, the voltage sampling signal output of described voltage sample branch road 6 is connected with the voltage sampling signal input of microprocessor 8, one end of described sample rate current instrument transformer 7 is connected with the sample rate current signal output part of autobalance bridge-type high power switching power supply output circuit 3, the other end of described sample rate current instrument transformer 7 is connected with the current sampling signal input of microprocessor 8 and second signal input end of the controlled drive circuit 2 of pulsewidth respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor 9 of described microprocessor 8, described optical coupler 10 is serially connected between first signal input end of the pulse-width control signal output of microprocessor 8 and the controlled drive circuit 2 of pulsewidth, and described power interface 1 is connected with the power end of autobalance bridge-type high power switching power supply output circuit 3.
In addition, present embodiment also is provided with state-of-charge indicator 11, and described microprocessor 8 has charged state index signal output, and the charged state index signal output of described microprocessor 8 is connected with state-of-charge indicator 11.
As shown in Figure 2, in the present embodiment, the 300V direct voltage that is provided by the industrial frequency rectifying filter of routine is introduced autobalance bridge-type high power switching power supply output circuit 3 by the contact a of power interface 1.In the present embodiment, autobalance bridge-type high power switching power supply output circuit is a core with the bridge-type power amplifier drive integrated circult of two special uses of V2, V3 (IR2112), this circuit also comprises transformer T1, current transformer CT, resistance R 7, rectistack Z, diode D1～D4 and high-power power tube Q1～Q4 parts such as (GT801101).
V2, V3 are the homotype integrated circuits, and present embodiment is designed to said elements the imput output circuit of symmetry.Be to insert T1, N2 winding between Q1 and the Q3; The grid of high-power power tube Q1～Q4 and source electrode are connected on respectively on 7,5 pin and 1,2 pin of V2 and V3 symmetrically, form the holohedral symmetry circuit.When the N2 of T2 winding input driving pulse, 10,12 pin of V2, V3 obtain input signal simultaneously, after amplifying through V2, V3, distribute to autobalance the grid of Q1～Q4.The accurate balance of the signal of bridge-type amplifier tube Q1～Q4 on amplitude and phase place is the key of bridge-type power amplifier, and conventional art is that technology of installation is very complicated, has the input transformer of four balance coils.Circuit of the present utility model then need not this setting.N2 winding by the high frequency voltage T1 after amplifying is sensed the N1 winding, through D1～D4 rectifying tube rectification, charges to storage battery interface B, T afterwards through L, C2 " filtering high-frequency rectifier " again.
Because charging current reaches 100 amperes, the method with series connection high-power resistance intercepting current information will produce energy consumption and high temperature again, so the utility model has designed sample rate current instrument transformer 7.In the present embodiment, the sample rate current instrument transformer constitutes by being serially connected in the current transformer CT in T1, the N2 winding circuit, the resistance R 7 and the rectistack Z of correcting nonlinear, so just the variation of charging current can be sampled by the form of the direct voltage analog quantity of Z.
Microprocessor adopts 15L-10PI chip (V6 among Fig. 2), and 8,1 pin inserts battery case temperature sensor, i.e. temperature-sensitive resistance R 12 and divider resistance R3.3 pin connect the charging current sample information, and 2 pin connect the charging voltage sample information, and 5 pin connect R14, LED3 (being state-of-charge indicator described in Fig. 1 11), indication charging termination state.7 pin connect 5V power supply and power supply indicator R17, LED1, and D7, C3, R10, D8, C4, V5, C5 are the dividing potential drop voltage stabilizing element to microprocessor power supply in addition.Microprocessor 6 pin connect optical coupler V4, and the signals such as time of the change charging voltage that this optical coupler sends microprocessor, electric current, pause interval are sent to the controlled drive circuit of pulsewidth.
The controlled drive circuit of pulsewidth is made up of TL494 integrated circuit and its peripheral cell R1, R2, R3, C1, R4, TL494 is (PWM) pulse width control drive integrated circult of both-end " totem " output, its structure is than more perfect with adhesive integrated circuit SG3524, and both-end output can reach 2 * 200mA.1,15 pin of this drive integrated circult are the control signal input pin, and the driving pulse pulsewidth of 8,11 pin output will be narrowed down, and the current/voltage mean value of output descends.
In the present embodiment, 1 pin of this drive integrated circult is connected to R5, W2 battery voltage sampling information, and 15 pin are connected to the information of charging current size.The command information that optical coupler V4 sends microprocessor here imports 3,14 pin of TL494 into by R2, R3 dividing potential drop, is controlling the pulsewidth of driving pulse at any time, even the extremity that has or do not have.If it is out of control that important parameters such as voltage, electric current appear in charger, be connected on the current information of 15 pin and the information of voltage of 1 pin this integrated package is quit work, thereby protected charging device.
What be worth emphasizing is, the utility model is for improving the chemical energy conversion efficiency of rechargeable battery, side effects such as the polarization of minimizing battery, sulfuration, heating, dehydration, each charging stage should be adopted pulse current, and accomplish as far as possible that charging pulse is big and lack, idle hours is long as far as possible, and this will accurately be carried out under the software commander of microprocessor.
Claims (2)
1, the fast fill device of a kind of Large Electric automobile storage battery pulsed, has power interface, oscillation drive circuit, switch power supply output circuit, rectifier filter circuit and storage battery interface, it is characterized in that being provided with the voltage sample branch road, the sample rate current instrument transformer, microprocessor, battery case temperature sensor and optical coupler, described oscillation drive circuit is the controlled drive circuit of pulsewidth, described switch power supply output circuit is an autobalance bridge-type high power switching power supply output circuit, the controlled drive circuit of described pulsewidth has first signal input end, second signal input end and oscillator signal output, described autobalance bridge-type high power switching power supply output circuit has power end, the controlled signal input, power take-off and sample rate current signal output part, described rectifier filter circuit has the power input, output cathode and output negative pole, described microprocessor has the voltage sampling signal input, the current sampling signal input, temperature sensor signal input and pulse-width control signal output, described battery case temperature sensor has the temperature sensor signal output, the controlled signal input of the oscillator signal output termination autobalance bridge-type high power switching power supply output circuit of the controlled drive circuit of described pulsewidth, the power take-off of described autobalance bridge-type high power switching power supply output circuit connects the power input of rectifier filter circuit, the output cathode of described rectifier filter circuit and output negative pole respectively with the storage battery interface just, negative pole is connected, described voltage sample branch road is connected across between the output cathode and output negative pole of rectifier filter circuit, the voltage sampling signal output of described voltage sample branch road is connected with the voltage sampling signal input of microprocessor, one end of described sample rate current instrument transformer is connected with the sample rate current signal output part of autobalance bridge-type high power switching power supply output circuit, the other end of described sample rate current instrument transformer is connected with the current sampling signal input of microprocessor and second signal input end of the controlled drive circuit of pulsewidth respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor of described microprocessor, described optical coupler is serially connected between first signal input end of the pulse-width control signal output of microprocessor and the controlled drive circuit of pulsewidth, and described power interface is connected with the power end of autobalance bridge-type high power switching power supply output circuit.
2, the fast fill device of Large Electric automobile storage battery pulsed as claimed in claim 1, it is characterized in that being provided with state-of-charge indicator, described microprocessor has charged state index signal output, and the charged state index signal output of described microprocessor is connected with state-of-charge indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200353305U CN200969526Y (en) | 2006-08-21 | 2006-08-21 | Large-sized electric automobile accumulator pulse type fast charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200353305U CN200969526Y (en) | 2006-08-21 | 2006-08-21 | Large-sized electric automobile accumulator pulse type fast charger |
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| CN200969526Y true CN200969526Y (en) | 2007-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2006200353305U Expired - Fee Related CN200969526Y (en) | 2006-08-21 | 2006-08-21 | Large-sized electric automobile accumulator pulse type fast charger |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102163864A (en) * | 2011-04-12 | 2011-08-24 | 北京理工大学 | High power quick impulse charging system with adjustable positive and negative impulses for electric automobiles |
| CN102185367A (en) * | 2011-04-19 | 2011-09-14 | 成都秦川科技发展有限公司 | Pulse width modulation (PWM) rectification, variable-voltage and variable-current pulse charging system of electric vehicle |
| CN102255340A (en) * | 2010-05-17 | 2011-11-23 | 严本信 | Intelligent quick-charge device for large electric vehicle storage battery |
| CN110323815A (en) * | 2018-08-22 | 2019-10-11 | 成都信息工程大学 | A kind of Vehicular charger convertor circuit |
-
2006
- 2006-08-21 CN CNU2006200353305U patent/CN200969526Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255340A (en) * | 2010-05-17 | 2011-11-23 | 严本信 | Intelligent quick-charge device for large electric vehicle storage battery |
| CN102163864A (en) * | 2011-04-12 | 2011-08-24 | 北京理工大学 | High power quick impulse charging system with adjustable positive and negative impulses for electric automobiles |
| CN102185367A (en) * | 2011-04-19 | 2011-09-14 | 成都秦川科技发展有限公司 | Pulse width modulation (PWM) rectification, variable-voltage and variable-current pulse charging system of electric vehicle |
| CN110323815A (en) * | 2018-08-22 | 2019-10-11 | 成都信息工程大学 | A kind of Vehicular charger convertor circuit |
| CN110323815B (en) * | 2018-08-22 | 2024-05-28 | 成都信息工程大学 | Current conversion circuit of vehicle-mounted charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: YAN BENXIN Free format text: FORMER OWNER: CHENGDU SANLIYUAN ELECTRON SCIENCE CO., LTD. Effective date: 20080509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: Three, Lane 610500, GUI Hu Dong Lu, Xindu District, Sichuan, Chengdu Patentee after: Yan Benxin Address before: Three, Lane 610500, GUI Hu Dong Lu, Xindu District, Sichuan, Chengdu Patentee before: Chengdu Sanliyuan Electronic Science & Technology Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071031 Termination date: 20090921 |