CN104882916A - Intelligent electric bicycle charger with reservation function - Google Patents
Intelligent electric bicycle charger with reservation function Download PDFInfo
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- CN104882916A CN104882916A CN201410648976.XA CN201410648976A CN104882916A CN 104882916 A CN104882916 A CN 104882916A CN 201410648976 A CN201410648976 A CN 201410648976A CN 104882916 A CN104882916 A CN 104882916A
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Abstract
The invention discloses an intelligent electric bicycle charger with a reservation function. The intelligent electric bicycle charger comprises a constant-current charging circuit, a full-charge self-stopping circuit, a power-on isolating circuit, a reservation circuit and an LED display, wherein the constant-current charging circuit is used for adjusting and controlling voltage and current of a power supply, so that the voltage and current of the power supply keep constant; the full-charge self-stopping circuit comprises a 51 single chip microcomputer, an analog-to-digital conversion chip ADC0808 and a double-D trigger 74LS74, the full-charge self-stopping circuit monitors status of a battery, displays voltage value through the LED display, switches off the constant-current charging circuit when the battery is fully charged and prompts that the battery is fully charged; the power-on isolating circuit utilizes a relay to trip off and delay for a period of time for further charging the battery, protects a transformer and the battery, and prevents misoperation; and the reservation circuit controls the relay to be switched on/off in a timed manner through the single chip microcomputer and realizes timed charging, and the constant-current charging circuit is switched off by the full-charge self-stopping circuit when the battery is fully charged. Through the method, the intelligent electric bicycle charger with the reservation function can ensure safety charging of electric bicycles, and prevents overcharge and power lack due to the fact that the battery is not charged for a long time of the electric bicycles.
Description
Technical field
The present invention relates to charger field, particularly relate to one and can preengage intelligent electric bicycle charger.
Background technology
Existing a kind of electric bike battery intelligent charger, application number 201110450718, comprise power module, the single-chip switching power supply for charging to electric bike battery connected with power module, the power output circuit module connected with single-chip switching power supply, the opto-coupled feedback circuit module all connected with power output circuit module and single-chip switching power supply, voltage detection circuit module, current detection circuit module, the signal conditioning circuit module all connected with voltage detection circuit module and current detection circuit module, temperature sensor, the controller module all connected with signal conditioning circuit module and temperature sensor, and the clock module to connect with controller module and optimum configurations and display module, signal conditioning circuit module comprises filter circuit module, amplification circuit module and A/D change-over circuit module, but this charger circuit is more complicated, the power shortage harm that can not prevent from battery from not filling for a long time causing, can not realize intelligence in electric bicycle charging process and turn off, there is overshooting problem, affect battery life.
A kind of positive negative pulse stuffing intelligence is also had to repair equalizing charger, application number 201220329420, comprise power supply circuits, single-chip microcomputer charge and discharge protecting administration module, multi-pin connector, battery pack, battery pack is by several batteries (4a, 4b, 4c, 4d, 4e, 4f) be composed in series, several balanced discharge control circuits (7a is connected in parallel between single-chip microcomputer charge and discharge protecting administration module and battery pack, 7b, 7c, 7d, 7e, 7f), single-chip microcomputer charge and discharge protecting administration module is connected with power supply circuits input, described positive negative pulse stuffing control circuit one end connects single-chip microcomputer charge and discharge protecting administration module, the other end connects power supply circuits, testing circuit is connected to single-chip microcomputer charge and discharge protecting administration module, purpose of design is the useful life extending battery.This charger can avoid overshooting problem, but battery protecting circuit is complicated, and reliability can have problems; Lack digital-scroll technique and prompting function, man-machine interaction is poor; Can not charging be preengage, the power shortage harm of battery permanent not used time can not be avoided.
Summary of the invention
The technical problem that the present invention mainly solves is to provide one can preengage intelligent electric bicycle charger, can ensure electric bicycle safe charging, prevents from electric bicycle from overcharging and do not fill for a long time causing power shortage.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide one can preengage intelligent electric bicycle charger, comprising: constant-current charging circuit, be full of automatic stopping circuit, upper electric isolating circuit, reservation circuit and light-emitting diode display; Described constant-current charging circuit comprises triode IRF5305, three end adjustable shunt reference source TL431 and dual operational amplifier LM358, and the electric current and voltage of constant-current charging circuit to power supply regulates and controls, and makes electric current and voltage keep constant; The described automatic stopping circuit that is full of comprises 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74, be full of automatic stopping circuit to monitor battery status, shown by light-emitting diode display voltage value, battery is full of and cuts off constant-current charging circuit and point out battery to be full of; Described upper electric isolating circuit utilizes relay tripping and postpones a period of time again to battery charging, to transformer and battery protection, prevents misoperation; Described reservation circuit by the opening and closing of single-chip microcomputer timing controlled relay, realizes timing charging, be full of rear described in be full of automatic stopping circuit and cut off described constant-current charging circuit.
Preferably, described constant-current charging circuit is provided with input VIN, and power supply enters from input VIN, through triode IRF5305 to regulating and controlling voltage, prevents that voltage is excessive to be impacted rear portion circuit; Power supply is divided into 2.5V to dual operational amplifier LM358 through three end adjustable shunt reference source TL431, and dual operational amplifier LM358 is to output voltage, Current adjustment, and output voltage, current values keep constant.
Preferably, described 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74 are to the monitoring of output small voltage; After battery is full of, 51 single-chip microcomputers send data to modulus conversion chip ADC0808, and data are shown on described light-emitting diode display by modulus conversion chip ADC0808; 51 single-chip microcomputers cut off described constant-current charging circuit by control relay.
The invention has the beneficial effects as follows: the present invention can ensure electric bicycle safe charging, prevent electric bicycle from overcharging, also can prevent from not filling for a long time causing power shortage, extend battery.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that the present invention can preengage the constant-current charging circuit of intelligent electric bicycle charger;
Fig. 2 is the shown schematic diagram being full of automatic stopping circuit preengaging intelligent electric bicycle charger;
Fig. 3 is the shown schematic diagram preengaging the upper electric isolating circuit of intelligent electric bicycle charger;
Fig. 4 is the shown schematic diagram preengaging the reservation circuit of intelligent electric bicycle charger.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1 to Fig. 4, the embodiment of the present invention comprises:
One can preengage intelligent electric bicycle charger, comprising: constant-current charging circuit, be full of automatic stopping circuit, upper electric isolating circuit, reservation circuit and light-emitting diode display; Described constant-current charging circuit comprises triode IRF5305, three end adjustable shunt reference source TL431 and dual operational amplifier LM358, constant-current charging circuit is provided with input VIN, power supply enters from input VIN, through triode IRF5305 to regulating and controlling voltage, prevent that voltage is excessive to be impacted rear portion circuit; Power supply is divided into 2.5V to dual operational amplifier LM358 through three end adjustable shunt reference source TL431, and dual operational amplifier LM358 is to output voltage, Current adjustment, and output voltage, current values keep constant; The described automatic stopping circuit that is full of comprises 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74, and described 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74 are to the monitoring of output small voltage; After battery is full of, 51 single-chip microcomputers send data to modulus conversion chip ADC0808, and data are shown on described light-emitting diode display by modulus conversion chip ADC0808; 51 single-chip microcomputers cut off described constant-current charging circuit by control relay and point out battery to be full of; Described upper electric isolating circuit carries out charge protection by a single-chip microcomputer, utilize relay tripping and postpone 500MS and again battery is charged, upper electric isolating circuit has three relays, first transformer secondary side is protected, prevent electric current excessive, second to outputting to battery protection, the 3rd relay prevents misoperation; Described reservation circuit by the opening and closing of single-chip microcomputer timing controlled relay, selects timing according to battery actual conditions, realizes timing charging, be full of rear described in be full of automatic stopping circuit and cut off described constant-current charging circuit, stop charging.
The present invention has following beneficial effect:
1, safer, avoid overshooting problem, reduce battery, under long-time charging, failure coefficient occurs.
2, intelligent, can charging being preengage, solve power shortage problem, more economical, environmental protection, under the state of not charging for a long time, shortening life factor in order to preventing battery.
3, long service life, possesses battery charging protection function, extends battery, saves the cost changing battery;
4, low cost, visual, circuit is more simple and reliable, can reduce production cost; Numerical monitor and prompt facility add the human-computer interaction function of product.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. can preengage an intelligent electric bicycle charger, it is characterized in that, comprise: constant-current charging circuit, be full of automatic stopping circuit, upper electric isolating circuit, reservation circuit and light-emitting diode display; Described constant-current charging circuit comprises triode IRF5305, three end adjustable shunt reference source TL431 and dual operational amplifier LM358, and the electric current and voltage of constant-current charging circuit to power supply regulates and controls, and makes electric current and voltage keep constant; The described automatic stopping circuit that is full of comprises 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74, be full of automatic stopping circuit to monitor battery status, shown by light-emitting diode display voltage value, battery is full of and cuts off constant-current charging circuit and point out battery to be full of; Described upper electric isolating circuit utilizes relay tripping and postpones a period of time again to battery charging, to transformer and battery protection, prevents misoperation; Described reservation circuit by the opening and closing of single-chip microcomputer timing controlled relay, realizes timing charging, be full of rear described in be full of automatic stopping circuit and cut off described constant-current charging circuit.
2. according to claim 1ly preengage intelligent electric bicycle charger, it is characterized in that: described constant-current charging circuit is provided with input VIN, power supply enters from input VIN, through triode IRF5305 to regulating and controlling voltage, prevents that voltage is excessive to be impacted rear portion circuit; Power supply is divided into 2.5V to dual operational amplifier LM358 through three end adjustable shunt reference source TL431, and dual operational amplifier LM358 is to output voltage, Current adjustment, and output voltage, current values keep constant.
3. according to claim 1ly preengage intelligent electric bicycle charger, it is characterized in that: described 51 single-chip microcomputers, modulus conversion chip ADC0808 and double D trigger 74LS74 are to the monitoring of output small voltage; After battery is full of, 51 single-chip microcomputers send data to modulus conversion chip ADC0808, and data are shown on described light-emitting diode display by modulus conversion chip ADC0808; 51 single-chip microcomputers cut off described constant-current charging circuit by control relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648976.XA CN104882916A (en) | 2014-11-17 | 2014-11-17 | Intelligent electric bicycle charger with reservation function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410648976.XA CN104882916A (en) | 2014-11-17 | 2014-11-17 | Intelligent electric bicycle charger with reservation function |
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| CN104882916A true CN104882916A (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410648976.XA Pending CN104882916A (en) | 2014-11-17 | 2014-11-17 | Intelligent electric bicycle charger with reservation function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382157Y (en) * | 1997-06-02 | 2000-06-07 | 高文 | Automatic electric charger |
| CN202034816U (en) * | 2011-05-24 | 2011-11-09 | 滨州学院 | Intelligent charger for electric bicycle |
| CN202513640U (en) * | 2011-12-23 | 2012-10-31 | 王雁尘 | Electric-capacity constant-current automatic charging circuit |
| CN202997654U (en) * | 2012-12-29 | 2013-06-12 | 佛山市顺德区瑞德电子实业有限公司 | Constant-voltage constant-current charging circuit |
| CN103972936A (en) * | 2013-02-02 | 2014-08-06 | 扬州奥凯新能源科技有限公司 | Electric car smart charger based on fuzzy self-adaptation PID control |
-
2014
- 2014-11-17 CN CN201410648976.XA patent/CN104882916A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2382157Y (en) * | 1997-06-02 | 2000-06-07 | 高文 | Automatic electric charger |
| CN202034816U (en) * | 2011-05-24 | 2011-11-09 | 滨州学院 | Intelligent charger for electric bicycle |
| CN202513640U (en) * | 2011-12-23 | 2012-10-31 | 王雁尘 | Electric-capacity constant-current automatic charging circuit |
| CN202997654U (en) * | 2012-12-29 | 2013-06-12 | 佛山市顺德区瑞德电子实业有限公司 | Constant-voltage constant-current charging circuit |
| CN103972936A (en) * | 2013-02-02 | 2014-08-06 | 扬州奥凯新能源科技有限公司 | Electric car smart charger based on fuzzy self-adaptation PID control |
Non-Patent Citations (2)
| Title |
|---|
| 李卫兵 等: ""电动车"智能充电器设计", 《制造业自动化》 * |
| 祝敏: "电动自行车通用智能充电器的设计", 《设计参考》 * |
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Application publication date: 20150902 |