CN200953477Y - Average-sized motor vehicle multifunction charging device - Google Patents
Average-sized motor vehicle multifunction charging device Download PDFInfo
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- CN200953477Y CN200953477Y CN 200620035331 CN200620035331U CN200953477Y CN 200953477 Y CN200953477 Y CN 200953477Y CN 200620035331 CN200620035331 CN 200620035331 CN 200620035331 U CN200620035331 U CN 200620035331U CN 200953477 Y CN200953477 Y CN 200953477Y
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Abstract
The utility model relates to a recharging device of accumulator, in particular to a multifunctional recharging device of medium-sized electric vehicles. The device comprises a power source interface, a surge driving circuit, a switch power source output circuit, a high-frequency rectification filtering circuit, and an accumulator interface. The utility model is provided with a voltage sampling shunt, a current sampling shunt, a microprocessor, a discharging impulse generator, a battery shell temperature sensor, a first optical coupler, and a second optical coupler. The surge driving circuit can be an adjustable pulse width surge driving circuit. The switch power source output circuit is a semi-bridge switch power source output circuit. Compared with the prior art, the utility model has the advantages of big output volume and quick recharging. The weight of whole machine is only one eighth of that of recharging machine adopting the ordinary electromagnetic transformation way, and its cubage is also one third of that of the latter. Therefore, the utility model can be taken as portable or vehicle-carried recharging device.
Description
Technical field
The utility model relates to a kind of battery charging plant, especially a kind of medium-sized electric motor car multifunction charging device.
Background technology
China is that the large and medium-sized vehicle development of power is later with the battery.In recent years, under the dual-pressure of the energy and environmental protection, accelerated the process of large and medium-sized goods visitor vehicle motorized.Existing charging technique is very immature to the charging method and the charger Development and Production of the large and medium-sized battery of 24～120 ampere-hours, mainly shows as: (1) large and medium-sized charger adopts the many of the direct rectification seat of 50HZ formula structure, adopts Switching Power Supply portable few; (2) manually-operated many, the lacking of intelligent management; (3) the many of a kind of battery can only be filled, lacking of multiple battery charging can be adapted to; (4) there is not temperature compensation function substantially, so it is of poor quality to charge.Therefore, be necessary to provide a kind of novel medium-sized electric motor car multifunction charging device.
The utility model content
The purpose of this utility model promptly provides the medium-sized electric motor car multifunction charging device that a kind of weight is light, charge efficiency is high, charging capacity is big, have the cell-temperature monitoring compensate function.
Medium-sized electric motor car multifunction charging device 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 current sample branch road, microprocessor, discharge negative pulse generator, the battery case temperature sensor, first optical coupler and second optical coupler, described oscillation drive circuit is the turnable pulse width oscillation drive circuit, described switch power supply output circuit is the semi-bridge switching voltage regulator output circuit, described turnable pulse width oscillation drive circuit has first signal input end, second signal input end, the 3rd signal input end and oscillator signal output, described semi-bridge switching voltage regulator output circuit has power end, signal input part and signal output part, described rectifier filter circuit has signal input part, output cathode and output negative pole, described microprocessor has the voltage sampling signal input, the current sampling signal input, the temperature sensor signal input, pulse-width control signal output and discharge control signal output, described discharge negative pulse generator has signal input end, battery positive voltage link and battery terminal negative link, described battery case temperature sensor has the temperature sensor signal output, the signal input part of the oscillator signal output termination semi-bridge switching voltage regulator output circuit of described turnable pulse width oscillation drive circuit, the signal output part of described semi-bridge switching voltage regulator output circuit connects the signal input part 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 second signal input end of turnable pulse width oscillation drive circuit and the voltage sampling signal input of microprocessor respectively, described current sample branch road is serially connected between the output negative pole of storage battery interface and rectifier filter circuit, the current sampling signal output of described current sample branch road is connected with the 3rd signal input end of turnable pulse width oscillation drive circuit and the current sampling signal input of microprocessor respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor of described microprocessor, described first optical coupler is serially connected between first signal input end of the pulse-width control signal output of microprocessor and turnable pulse width oscillation drive circuit, described second optical coupler is serially connected between the signal input end of the discharge control signal output of microprocessor and the negative pulse generator that discharges, the battery positive voltage link of described discharge negative pulse generator is connected with the storage battery interface respectively with the battery terminal negative link, and described power interface is connected with the power end of semi-bridge switching voltage regulator output circuit.
In the utility model, adopted the more powerful semi-bridge switching voltage regulator output circuit of power output, driven, powered to the storage battery interface through rectifier filter circuit by the turnable pulse width oscillation drive circuit, can provide 1500 watts to large and medium-sized battery pack, 30A DC charging electric current.Owing to adopted advanced high frequency switch power technology, the weight of complete machine to only reach, can be designed to the portable charger that carries with car fully with 1/8 of power power frequency equipment.The utility model adopts microprocessor management, by sensor samples such as voltage, electric current, battery-pack exterior casing temperature, the adjusting of voltage, current values can be handled by the software optimization of microprocessor, the skin temperature that is recharged the pond group is subjected to monitor closely, it allows to fill the ceiling voltage that reaches and can vary with temperature and be compensated, also the charge parameter selector switch can be set further simultaneously, enable the specific aim program according to kind that is recharged the pond group and characteristic, thereby reach the general purpose of various batteries.
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 semi-bridge switching voltage regulator 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, the high-frequency driving signal that the turnable pulse width oscillation drive circuit provides is carried out powerful power amplification by the semi-bridge switching voltage regulator output circuit, again after rectifier filter circuit is handled, the electric current that acquisition can be filled soon to battery.
In the utility model, by default program, the charging voltage that the microprocessor utilization collects, charging current and four kinds of information of battery-pack exterior casing temperature and time are judged and be changed into which cover charge parameter, perhaps what charging modes what convert constantly at.
Above-mentioned microprocessor can adopt commercially available multiple existing product, is that microprocessor or the chip of 13A-10PI is microprocessor of 89C2051 series or the like as chip.
In the utility model, the working method of microprocessor is:
1. by judging the battery case temperature, at first record ring temperature value, selected automatically corresponding battery end of charge voltage value is sent the instruction that stops to charge when the time comes.
2. when the shell temperature rise when certain setting, send and stop the instruction of charging immediately.
3. by detecting battery voltage value, if when arriving the threshold value of " stage of filling soon finishes ", send " enter positive negative pulse stuffing and replace the charging stage " instruction, control turnable pulse width oscillation drive circuit and discharge negative pulse generator respectively through first, second optical coupler.
4. detect current value when unusual by the current sample branch road, again the pulse-width regulated current value by driver.
5. when cell voltage has arrived the end of charge voltage value, send the instruction that enters the trickle charge stage.
6. when the charge parameter selector switch switches to the gear of another kind of battery, microprocessor will be carried out the control program flow process of another set of relevant value, time, logic.
Compared with prior art, it is big to the utlity model has output capacity, and quick charged characteristics, its complete machine weight only are 1/8 of conventional electromagnetism transformation mode charger weight, its volume is the latter's 1/3 only also, thereby is more suitable for as portable or vehicular charging device.In addition, the utility model has adopted the microprocessor intelligence system, makes it to change the program of carrying out by diverter switch, realizes multi-functional to reach the charging that can adapt to the multiclass battery.The utility model also is provided with the temperature sensor that can detect the battery case temperature, and when the battery pack temperature rise is too high, microprocessor will send and stop filling instruction, and then fundamentally protect the safety of storage battery.
Content of the present utility model further illustrates with the following Examples, but 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 medium-sized electric motor car multifunction charging device among the embodiment.
Fig. 2 is the circuit diagram of the medium-sized electric motor car multifunction charging device among the embodiment.
Embodiment
As shown in Figure 1, medium-sized electric motor car multifunction charging device 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, current sample branch road 7, microprocessor 8, discharge negative pulse generator 9, battery case temperature sensor 10, first optical coupler 11 and second optical coupler 12, described oscillation drive circuit is a turnable pulse width oscillation drive circuit 2, described switch power supply output circuit is a semi-bridge switching voltage regulator output circuit 3, described turnable pulse width oscillation drive circuit 2 has first signal input end, second signal input end, the 3rd signal input end and oscillator signal output, described semi-bridge switching voltage regulator output circuit 3 has power end, signal input part and signal output part, described rectifier filter circuit 4 has signal input part, output cathode and output negative pole, described microprocessor 8 has the voltage sampling signal input, the current sampling signal input, the temperature sensor signal input, pulse-width control signal output and discharge control signal output, described discharge negative pulse generator 9 has signal input end, battery positive voltage link and battery terminal negative link, described battery case temperature sensor 10 has the temperature sensor signal output, the signal input part of the oscillator signal output termination semi-bridge switching voltage regulator output circuit 3 of described turnable pulse width oscillation drive circuit 2, the signal output part of described semi-bridge switching voltage regulator output circuit 3 connects the signal input part 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 second signal input end of turnable pulse width oscillation drive circuit 2 and the voltage sampling signal input of microprocessor 8 respectively, described current sample branch road 7 is serially connected between the output negative pole of storage battery interface 5 and rectifier filter circuit 4, the current sampling signal output of described current sample branch road 7 is connected with the 3rd signal input end of turnable pulse width oscillation drive circuit 2 and the current sampling signal input of microprocessor 8 respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor 10 of described microprocessor 8, described first optical coupler 11 is serially connected between first signal input end of the pulse-width control signal output of microprocessor 8 and turnable pulse width oscillation drive circuit 2, described second optical coupler 12 is serially connected between the signal input end of the discharge control signal output of microprocessor 8 and the negative pulse generator 9 that discharges, the battery positive voltage link of described discharge negative pulse generator 9 is connected with storage battery interface 5 respectively with the battery terminal negative link, and described power interface 1 is connected with the power end of semi-bridge switching voltage regulator output circuit 3.
In the present embodiment, also be provided with charge parameter selector switch 13, described microprocessor 8 has charging and selects signal input end, and the charging of described microprocessor 8 selects signal input end to be connected with charge parameter selector switch 13.
In addition, also be provided with state-of-charge indicator 14 in the present embodiment, 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 14.
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 semi-bridge switching voltage regulator output circuit 3 by the contact a of power interface 1, semi-bridge switching voltage regulator output circuit 3 is by output transformer T1, amplifier tube Q3, Q4, input transformer T2 and preposition amplifier tube Q1, Q2 constitutes, this semi-bridge switching voltage regulator output circuit can amplify 8 pin of TL494 turnable pulse width driver V3 and the driving pulse of 11 pin output expeditiously, D2 through rectifier filter circuit 4, after L and C2 carried out rectification and filtering, B2 outputed to storage battery interface B through insurance, T charges.This electric current produces a voltage that is proportional to charging current value through current sampling resistor R5, is used for current sample.Turnable pulse width oscillation drive circuit 2 is made up of V3 (TL494) resistance R 2, C1, W1, W2, R3, 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 driver 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.Potentiometer W1, W2 then are used to set up the set point of current/voltage; The instruction of the adjusting pulsewidth that the optocoupler V1 that linear reception was controlled from microprocessor V7 after 14,3 pin were regulated by W3 sends.
(V7 among Fig. 2) serves as microprocessor 8 of the present utility model by the 13A-10PI chip, make device simpler, reliable, 2 pin at it insert the battery case temperature information that battery case temperature sensor 10 transmits by R10, R11, insert " voltage the is differential " information that feeds by charge parameter selector switch 13 at 1 pin, herein, this charge parameter selector switch 13 is made up of selector switch K and R17, R18, R19 and R16, sends the replacing instruction of the parameter and the flow process of dissimilar battery charge in order to control microprocessor; The signal of microprocessor 5 pin output triggers Q5, Q6, Q7 conducting simultaneously by the second optical coupler V2 with " emitter follower " (4050) and R23, make anode pass through current-limiting resistance R21 and produce the discharge negative pulse, this is depolarising in the charging process, the essential flow process of devulcanization effect.And the output of microprocessor 7 pin is in order to control charged state indicator light LED3 (being aforementioned state-of-charge indicator 14).
The voltage sample current branch of being made up of R15, W4 is another road of voltage sample, receive microprocessor 3 pin, and microprocessor need switch the charging stage when maybe needing to change charging voltage value and current waveform at software, by 6 pin output order pulses, by the control of first optical coupler V1 realization, can finish control to whole charging device charged state to the turnable pulse width oscillation drive circuit.
C3 is an anti-interference capacitor among Fig. 2, and R8, D3 and V5 (7805) are the circuit commons that the 5V power supply is provided to microprocessor after step-down, the voltage stabilizing, and R9 and LED1 are the power supply indicators of device.
V4 (LM324) operational amplifier and R7, LED2 are the interlock circuits of " charging " indicator light.
Claims (3)
1, a kind of medium-sized electric motor car multifunction charging device, 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 current sample branch road, microprocessor, discharge negative pulse generator, the battery case temperature sensor, first optical coupler and second optical coupler, described oscillation drive circuit is the turnable pulse width oscillation drive circuit, described switch power supply output circuit is the semi-bridge switching voltage regulator output circuit, described turnable pulse width oscillation drive circuit has first signal input end, second signal input end, the 3rd signal input end and oscillator signal output, described semi-bridge switching voltage regulator output circuit has power end, signal input part and signal output part, described rectifier filter circuit has signal input part, output cathode and output negative pole, described microprocessor has the voltage sampling signal input, the current sampling signal input, the temperature sensor signal input, pulse-width control signal output and discharge control signal output, described discharge negative pulse generator has signal input end, battery positive voltage link and battery terminal negative link, described battery case temperature sensor has the temperature sensor signal output, the signal input part of the oscillator signal output termination semi-bridge switching voltage regulator output circuit of described turnable pulse width oscillation drive circuit, the signal output part of described semi-bridge switching voltage regulator output circuit connects the signal input part 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 second signal input end of turnable pulse width oscillation drive circuit and the voltage sampling signal input of microprocessor respectively, described current sample branch road is serially connected between the output negative pole of storage battery interface and rectifier filter circuit, the current sampling signal output of described current sample branch road is connected with the 3rd signal input end of turnable pulse width oscillation drive circuit and the current sampling signal input of microprocessor respectively, the temperature sensor signal output of the temperature sensor signal input termination battery case temperature sensor of described microprocessor, described first optical coupler is serially connected between first signal input end of the pulse-width control signal output of microprocessor and turnable pulse width oscillation drive circuit, described second optical coupler is serially connected between the signal input end of the discharge control signal output of microprocessor and the negative pulse generator that discharges, the battery positive voltage link of described discharge negative pulse generator is connected with the storage battery interface respectively with the battery terminal negative link, and described power interface is connected with the power end of semi-bridge switching voltage regulator output circuit.
2, medium-sized electric motor car multifunction charging device as claimed in claim 1, it is characterized in that being provided with the charge parameter selector switch, described microprocessor has charging and selects signal input end, and the charging of described microprocessor selects signal input end to be connected with the charge parameter selector switch.
3, medium-sized electric motor car multifunction charging device as claimed in claim 1 or 2, 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 |
|---|---|---|---|
| CN 200620035331 CN200953477Y (en) | 2006-08-21 | 2006-08-21 | Average-sized motor vehicle multifunction charging device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620035331 CN200953477Y (en) | 2006-08-21 | 2006-08-21 | Average-sized motor vehicle multifunction charging device |
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| CN200953477Y true CN200953477Y (en) | 2007-09-26 |
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| CN 200620035331 Expired - Fee Related CN200953477Y (en) | 2006-08-21 | 2006-08-21 | Average-sized motor vehicle multifunction charging device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255341A (en) * | 2010-05-17 | 2011-11-23 | 严本信 | Portable intelligent quick charger of electric vehicle |
| CN102651565A (en) * | 2011-02-25 | 2012-08-29 | 凹凸电子（武汉）有限公司 | Battery pack charging management method and device, charger and battery pack managing system |
-
2006
- 2006-08-21 CN CN 200620035331 patent/CN200953477Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255341A (en) * | 2010-05-17 | 2011-11-23 | 严本信 | Portable intelligent quick charger of electric vehicle |
| CN102651565A (en) * | 2011-02-25 | 2012-08-29 | 凹凸电子（武汉）有限公司 | Battery pack charging management method and device, charger and battery pack managing system |
| CN102651565B (en) * | 2011-02-25 | 2015-05-13 | 凹凸电子（武汉）有限公司 | Battery pack charging management method and device, charger and battery pack managing system |
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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: 20070926 Termination date: 20090921 |