CN204794299U - Intelligent charger - Google Patents
Intelligent charger Download PDFInfo
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- CN204794299U CN204794299U CN201520398282.5U CN201520398282U CN204794299U CN 204794299 U CN204794299 U CN 204794299U CN 201520398282 U CN201520398282 U CN 201520398282U CN 204794299 U CN204794299 U CN 204794299U
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Abstract
The utility model discloses an intelligent charger, it links with municipality ferroelectric phase the access oral area position of commercial power is equipped with the ACDC converter, ACDC converter and high frequency voltage regulator link to each other, and the high frequency voltage regulator links to each other with the rectifier filter, and the rectifier filter has connect constant current charging circuit and constant voltage charge circuit respectively, constant current charging circuit and constant voltage charge circuit all link to each other with the battery, are equipped with sampling circuit on the battery, sampling circuit meets with the single chip circuit, the single chip circuit has met display, keyboard, temperature sensor and PWM control circuit respectively, PWM control circuit links to each other with the high frequency voltage regulator, the utility model provides an intelligent charger, can realize the charging process constant current charging and constant voltage charge and automatic switching, make electric bicycle's charger process become more intelligent and reasonable, the life that can shorten the time of charging effectively and prolong the battery.
Description
Technical field
The utility model relates to a kind of electrically-charging equipment relevant to electric power electric, is specifically related to a kind of intelligent charger.
Background technology
Along with the aggravation of environmental pollution and energy crisis; countries in the world start popularization electric bicycle energetically and electric automobile; electric bicycle is widely used with the advantage of its uniqueness; but electric bicycle also exposes shortcoming gradually in its process used, the lead acid accumulator being exactly electric bicycle outfit is general shorter for useful life.One of them major reason is exactly in the charging process of storage battery, and easily cause storage battery underfill electricity because charging method is improper or charge excessive, this has very large infringement to the useful life of storage battery.Simultaneously along with the development of power electronic technology, the reduction of chip volume miniaturization and price thereof, intelligent charger large-scale production becomes possibility, and intelligent charger has simple to operate, the feature such as reliability and highly versatile, being an important component part of charging family, is also the main development direction of following charger.Therefore having good realistic meaning and market prospects to the research of intelligent charger, is also an important component part of new cleaning fuel.
Utility model content
For prior art above shortcomings, the utility model proposes a kind of intelligent charger, it is connected with civil power, AC/DC transducer is provided with at the access port position of described civil power, described AC/DC transducer is connected with high frequency voltage regulator, high frequency voltage regulator is connected with rectifier filter, rectifier filter is connected to constant-current charging circuit and constant voltage charging circuit respectively, described constant-current charging circuit is all connected with storage battery with constant voltage charging circuit, storage battery is provided with sample circuit, described sample circuit connects with single chip circuit, described single chip circuit is connected to display respectively, keyboard, temperature sensor and pwm control circuit, described pwm control circuit is connected with high frequency voltage regulator, the intelligent charger that the utility model provides, can realize the constant current charge of charging process and constant voltage charge and automatic conversion, the chargers of electric bicycle is made to become more intelligent and reasonable, effectively can shorten the time of charging and extend the useful life of storage battery.
The utility model solves its technical problem, the technical scheme adopted is: a kind of intelligent charger, it is connected with civil power, AC/DC transducer is provided with at the access port position of described civil power, its design feature is: described AC/DC transducer is connected with high frequency voltage regulator, high frequency voltage regulator is connected with rectifier filter, rectifier filter is connected to constant-current charging circuit and constant voltage charging circuit, described constant-current charging circuit is connected in parallel with constant voltage charging circuit and is all connected with storage battery, storage battery is provided with sample circuit, described sample circuit connects with single-chip microcomputer, described single-chip microcomputer is also connected to display respectively, keyboard, temperature sensor and pwm control circuit, described pwm control circuit is connected with high frequency voltage regulator, described constant-current charging circuit is connected by Single-chip Controlling with constant voltage charging circuit.
Further, described constant-current charging circuit and constant voltage charging circuit are all be connected on described single-chip microcomputer, 1 pin of described single-chip microcomputer, 7 pin and the mutual short circuit of 8 pin, 7 pin of described single-chip microcomputer are connected with 6 pin VCC of single-chip microcomputer through resistance R1, 5 pin of described single-chip microcomputer are through resistance R3 ground connection, diode is connected with between 2 pin of described single-chip microcomputer and 4 pin, 3 pin of described single-chip microcomputer are connected by filter capacitor U2 with 4 pin, inductance L 1 and electric capacity U3 is connected with at described diode two ends, be connected with the collector electrode of triode T1 between described inductance L 1 and electric capacity U3, resistance R2 is connected with between triode T1 collector electrode and base stage, base stage and emitter are connected with resistance R4, and emitter is connected with 5 pin of single-chip microcomputer simultaneously, resistance R2 is connected with resistance R4 and exports, filter capacitor U4 was connected with before output.
Preferably, described single-chip microcomputer is single-chip microcomputer MC34063.
Further, a voltage follower is provided with in sample circuit, 2 pin of described voltage follower are connected with input by resistance R1,1 pin of described voltage follower is connected with 6 pin of described voltage follower by resistance R3 and 6 pin ground connection, and 2 pin of described voltage follower are also connected with 3 pin of voltage follower by resistance R2, in 3 pin output samplings of described voltage follower.
Preferably, described voltage follower is LM358D voltage follower.
Further, also a single-chip microcomputer is provided with in described pwm control circuit, 7 pin of described single-chip microcomputer are by resistance Rcs, be connected after 8 pin are connected with inductance L 1 by resistance R3 and with 1 pin of described single-chip microcomputer, 2 pin of described single-chip microcomputer and the direct ground connection of 4 pin, 3 pin of described single-chip microcomputer are by electric capacity Ct ground connection, inductance L 1 is also directly connected with 6 pin of described single-chip microcomputer and passes through electric capacity C1 ground connection, 5 pin of described single-chip microcomputer also and between 1 pin of described single-chip microcomputer are in series with resistance R2 and diode VD by resistance R1 ground connection, output is connect by electric capacity C0 ground connection and by inductance L 2 between resistance R2 and diode VD, be connected with filter capacitor C2 ground connection between outputs.
Preferably, described single-chip microcomputer is single-chip microcomputer MC34063.
Further, described high frequency voltage regulator is made up of switching tube chopper circuit and high frequency transforming circuit, is provided with triode, input power electric capacity and inductance in switching tube chopper circuit; Controlled thyristor and transformer is provided with in high frequency transforming circuit.
Preferably, described AC/DC transducer is a Switching Power Supply, and described Switching Power Supply adopts PWM mode.
Preferably, the AC-input voltage of described Switching Power Supply is 90 ~ 270V, and its output comprises main output loop and auxiliary output loop, and the output voltage of described main output loop is 12 ~ 60V, and output current is 1 ~ 3A; The output voltage of auxiliary output loop is+5V.
Above-mentioned intelligent charger, described temperature sensor adopts DS18B20, keyboard is 2 × 4 keyboards.
Above-mentioned intelligent charger, is connected with computer by serial ports RS232 in described single chip circuit.
Compared with prior art, the beneficial effects of the utility model are: a kind of intelligent charger that the utility model proposes, it utilizes single-chip microcomputer to monitor charging voltage and charging current two parameters, realize the constant current charge of charging process and the automatic conversion of constant voltage charge, make the chargers of electric bicycle become more intelligent and reasonable, effectively can shorten the time of charging and extend the useful life of storage battery.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific embodiments of the present utility model is elaborated.
Fig. 1 is theory structure block diagram of the present utility model.
Fig. 2 is the mechanical flow diagram of intelligent charger described in the utility model.
Fig. 3 is the circuit structure diagram of constant-current charging circuit of the present utility model and constant voltage charging circuit.
Fig. 4 is the circuit diagram of sample circuit described in the utility model.
Fig. 5 is the circuit diagram of pwm control circuit described in the utility model.
Fig. 6 is the inner workings figure of high frequency voltage regulator described in the utility model.。
Specific embodiments
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
As shown in Figure 1, a kind of intelligent charger, it is connected with civil power, AC/DC transducer is provided with at the access port position of described civil power, described AC/DC transducer is connected with high frequency voltage regulator, high frequency voltage regulator is connected with rectifier filter, rectifier filter is connected to constant-current charging circuit and constant voltage charging circuit, described constant-current charging circuit is connected in parallel with constant voltage charging circuit and is all connected with storage battery, storage battery is connected with sample circuit, described sample circuit connects with single-chip microcomputer, described single-chip microcomputer is connected to display, keyboard, temperature sensor and pwm control circuit, described pwm control circuit is connected with high frequency voltage regulator, and described constant-current charging circuit is connected by Single-chip Controlling with constant voltage charging circuit.
As shown in Figure 3 be constant-current charging circuit and constant voltage charging circuit, described constant-current charging circuit and constant voltage charging circuit are all be connected on described single-chip microcomputer, 1 pin of described single-chip microcomputer, 7 pin and the mutual short circuit of 8 pin, 7 pin of described single-chip microcomputer are connected with 6 pin VCC of single-chip microcomputer through resistance R1, 5 pin of described single-chip microcomputer are through resistance R3 ground connection, diode is connected with between 2 pin of described single-chip microcomputer and 4 pin, 3 pin of described single-chip microcomputer are connected by filter capacitor U2 with 4 pin, inductance L 1 and electric capacity U3 is connected with at described diode two ends, be connected with the collector electrode of triode T1 between described inductance L 1 and electric capacity U3, resistance R2 is connected with between triode T1 collector electrode and base stage, base stage and emitter are connected with resistance R4, and emitter is connected with 5 pin of single-chip microcomputer simultaneously, resistance R2 is connected with resistance R4 and exports, filter capacitor U4 was connected with before output.。
Sample circuit as shown in Figure 4, a voltage follower is provided with in sample circuit, described voltage follower is LM358D voltage follower, 2 pin of described voltage follower are connected with input by resistance R1,1 pin of described voltage follower is connected with 6 pin of described voltage follower by resistance R3 and 6 pin ground connection, and 2 pin of described voltage follower are also connected with 3 pin of voltage follower by resistance R2, in 3 pin output samplings of described voltage follower.
As shown in Figure 5 be pwm control circuit, also a single-chip microcomputer is provided with in described pwm control circuit, described single-chip microcomputer is MC34063 single-chip microcomputer, 7 pin of described single-chip microcomputer are by resistance Rcs, be connected after 8 pin are connected with inductance L 1 by resistance R3 and with 1 pin of described single-chip microcomputer, 2 pin of described single-chip microcomputer and the direct ground connection of 4 pin, 3 pin of described single-chip microcomputer are by electric capacity Ct ground connection, inductance L 1 is also directly connected with 6 pin of described single-chip microcomputer and passes through electric capacity C1 ground connection, 5 pin of described single-chip microcomputer also and between 1 pin of described single-chip microcomputer are in series with resistance R2 and diode VD by resistance R1 ground connection, output is connect by electric capacity C0 ground connection and by inductance L 2 between resistance R2 and diode VD, be connected with filter capacitor C2 ground connection between outputs.
Because constant current charge method keeps the constant charging method of strength of charging current, control method is simple, but due to the accepted current capacity of battery be decline gradually along with the carrying out of charging process, to the charging later stage, charging current is used for brine electrolysis, and produce gas more, pressure is larger, and the voltage of the charge power supply of constant voltage charge method keeps constant numerical value in whole charging interval, along with the rising gradually of accumulator voltage, electric current reduces gradually, compared with constant current charge method, its charging process is closer to optimal charge curve, and in the present embodiment, single-chip microcomputer can be utilized to monitor charging voltage and charging current two parameters by the control of single-chip microcomputer, when sample circuit detects the set point that charging voltage and charging circuit reach certain time, single-chip microcomputer will respond, constant-current circuit and constant voltage circuit are all connected on single-chip microcomputer MC34063, and share most components and parts, the constant current charge realizing charging process that can be more prone to like this and constant voltage charge and automatic conversion, and this utility model make use of being combined of power electronic technology and microcomputer technology, primarily of AC/DC transducer, sample circuit, microprocessor, pulse width modulator, keyboard, display and temperature sensor composition, it is the Intelligent charging system of a closed loop, such system makes the chargers of electric bicycle become more intelligent, rationalize, the energy consumed when effectively can save time and the charging of charging.
It should be noted that, as shown in Figure 6, high frequency voltage regulator is made up of switching tube chopper circuit and high frequency transforming circuit, and switching tube chopper circuit is as shown in the left side square frame of Fig. 6, primarily of triode and input power electric capacity and inductance composition, can to its direct voltage of adjustment, high frequency transforming circuit is as shown in the right frame of Fig. 6, it is primarily of controlled thyristor and transformer composition, the position accessed at civil power is exactly a Switching Power Supply, and Switching Power Supply adopts PWM mode, its whole course of work is through filtering by interchange input, high direct voltage is become after the rectification of AC/DC transducer, again by switching tube copped wave, high frequency rectangular voltage is obtained after the step-down of high frequency transforming circuit, eventually pass the VD required for output rectification filter acquisition, the requirement of system to Switching Power Supply is its AC-input voltage scope is 90 ~ 270V, the voltage of+5V (as control section power supply) and 12 ~ 60V (major loop) can be exported simultaneously, output current is 1 ~ 3A.
In addition, described temperature sensor adopts DS18B20 temperature sensor, keyboard is 2 × 4 keyboards, display can be used for showing the temperature of battery tension that single-chip microcomputer real time sample arrives, charging current, charging interval and storage battery, and keyboard is then for setting charging voltage (charging limit voltage), constant current charge electric current (limit charging current) and charging interval.Single-chip microcomputer in circuit is connected with computer by serial ports RS232, and for the setting storing data and virtual display charge parameter, when detecting that charging current is zero, single-chip microcomputer proceeds to resting state.And when detecting that charging current is non-vanishing, single-chip microcomputer is activated.
Described on base, be the mechanical flow diagram of charger for electric bicycle Intelligent charger for electric bicycle of the present utility model as shown in Figure 2.Single-chip microcomputer is whether shown electric bike battery connects what first check after an AC/DC transducer conversion, if do not connected, so amber light bright and turn back to AC/DC (digital-to-analogue) conversion, detect after connecting, enter into the flow process of next current sampling immediately, the electric current of sampling is measured, first its voltage is compared, AC/DC (digital-to-analogue) conversion is turned back to by pulse reparation when voltage is too small time, what enter the next item down immediately is the too small detection of electric current, when detect too small after amber light bright and return AC/DC (digital-to-analogue) conversion, just see whether electric current is less than normal charging current after measure voltage & current is complete, if be less than normal charging current, then green light (display is charged), it is just then detected whether within normal chargeable range when being not less than normal charging current, what within normal chargeable range, adopt constant voltage charging circuit also to show is green light (underfill), namely charge, and not within normal chargeable range in will adopt constant-current charging circuit be also display green light (underfill) and feed back to AC/DC conversion.
The above, it is only preferred embodiment of the present utility model, not any restriction is made to technical scope of the present utility model, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (8)
1. an intelligent charger, it is connected with civil power, AC/DC transducer is provided with at the access port position of described civil power, it is characterized in that: described AC/DC transducer is connected with high frequency voltage regulator, described high frequency voltage regulator is connected with rectifier filter, described rectifier filter is connected to constant-current charging circuit and constant voltage charging circuit, described constant-current charging circuit is connected in parallel with constant voltage charging circuit and is all connected with storage battery, storage battery is connected with sample circuit, described sample circuit connects with single-chip microcomputer, described single-chip microcomputer is connected to display, keyboard, temperature sensor and pwm control circuit, described pwm control circuit is connected with high frequency voltage regulator, described constant-current charging circuit is connected by Single-chip Controlling with constant voltage charging circuit.
2. a kind of intelligent charger according to claim 1, it is characterized in that: in sample circuit, be provided with a voltage follower, 2 pin of described voltage follower are connected with input by resistance R1,1 pin of described voltage follower is connected with 6 pin of described voltage follower by resistance R3 and 6 pin ground connection, and 2 pin of described voltage follower are also connected with 3 pin of voltage follower by resistance R2, in 3 pin output samplings of described voltage follower.
3. a kind of intelligent charger according to claim 2, is characterized in that: described voltage follower is LM358D voltage follower.
4. a kind of intelligent charger according to claim 1, it is characterized in that: in described pwm control circuit, be also provided with a single-chip microcomputer, 7 pin of described single-chip microcomputer are by resistance Rcs, be connected after 8 pin are connected with inductance L 1 by resistance R3 and with 1 pin of described single-chip microcomputer, 2 pin of described single-chip microcomputer and the direct ground connection of 4 pin, 3 pin of described single-chip microcomputer are by electric capacity Ct ground connection, inductance L 1 is also directly connected with 6 pin of described single-chip microcomputer and passes through electric capacity C1 ground connection, 5 pin of described single-chip microcomputer also and between 1 pin of described single-chip microcomputer are in series with resistance R2 and diode VD by resistance R1 ground connection, output is connect by electric capacity C0 ground connection and by inductance L 2 between resistance R2 and diode VD, be connected with filter capacitor C2 ground connection between outputs.
5. a kind of intelligent charger according to claim 4, is characterized in that: described single-chip microcomputer is single-chip microcomputer MC34063.
6. a kind of intelligent charger according to claim 1, is characterized in that: described high frequency voltage regulator is made up of switching tube chopper circuit and high frequency transforming circuit, is provided with triode, input power electric capacity and inductance in switching tube chopper circuit; Controlled thyristor and transformer is provided with in high frequency transforming circuit.
7. a kind of intelligent charger according to claim 1, is characterized in that: described AC/DC transducer is a Switching Power Supply, and described Switching Power Supply adopts PWM mode.
8. a kind of intelligent charger according to claim 7, it is characterized in that: the AC-input voltage of described Switching Power Supply is 90 ~ 270V, its output comprises main output loop and auxiliary output loop, and the output voltage of described main output loop is 12 ~ 60V, and output current is 1 ~ 3A; The output voltage of auxiliary output loop is+5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520398282.5U CN204794299U (en) | 2015-06-10 | 2015-06-10 | Intelligent charger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520398282.5U CN204794299U (en) | 2015-06-10 | 2015-06-10 | Intelligent charger |
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| CN204794299U true CN204794299U (en) | 2015-11-18 |
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| CN201520398282.5U Expired - Fee Related CN204794299U (en) | 2015-06-10 | 2015-06-10 | Intelligent charger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054451A (en) * | 2017-11-14 | 2018-05-18 | 中国人民解放军海军潜艇学院 | A kind of large size lead-acid accumulator repairs charge and discharge device and method |
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2015
- 2015-06-10 CN CN201520398282.5U patent/CN204794299U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054451A (en) * | 2017-11-14 | 2018-05-18 | 中国人民解放军海军潜艇学院 | A kind of large size lead-acid accumulator repairs charge and discharge device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Qiang Inventor before: Che Guorong |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160608 Address after: Panyu District Shi Lou Zhen Ling Guangzhou city Guangdong province 511447 Hing Industrial Park No. 2 fourth floor Patentee after: GUANGZHOU HONGGUANG ELECTRONIC CO., LTD. Address before: 611730 Sichuan city of Chengdu province Pixian Deyuan Hongqi Avenue 146 North No. 1 Building 3 unit 301 room Patentee before: Chengdu Fu Yang technological development Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20180610 |