CN202524148U - Intelligent battery charger - Google Patents
Intelligent battery charger Download PDFInfo
- Publication number
- CN202524148U CN202524148U CN2012201071994U CN201220107199U CN202524148U CN 202524148 U CN202524148 U CN 202524148U CN 2012201071994 U CN2012201071994 U CN 2012201071994U CN 201220107199 U CN201220107199 U CN 201220107199U CN 202524148 U CN202524148 U CN 202524148U
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- module
- voltage
- battery charger
- protection
- charging
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- Expired - Fee Related
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Abstract
The utility model provides an intelligent battery charger which includes an AC input lightning protection module, a rectifier and filter module, a PWM switch module, an output protection module, a voltage stabilization control module, and a microcomputer control module. The AC input lightning protection module is connected with an AC input power line. The AC passes through the AC input lightning protection module and then is connected with the input terminal of the PWM switch module via the rectifier and filter module. The voltage stabilization control module outputs the stable direct voltage after the energy conversion of a high frequency transformer. The direct voltage outputs the battery charging voltage via the output protection module and the microcomputer control module. The intelligent battery charger can charge any battery pack which has multiple batteries, and has the functions of charging over-voltage protection, short circuit protection, charger over-heat protection, and the battery inversed connection protection, so the charging is safe and reliable. The intelligent battery charger can precisely detect the battery voltage and current, and intelligently control the whole charging process. Besides, the intelligent battery charger has the advantages of low power consumption, energy conservation, environmental protection, and low cost.
Description
Technical field
The utility model relates to the battery charger field, relates in particular to a kind of intelligent ni-mh nickel at a distance from (NIMH/NICD) battery charger.
Background technology
Along with popularizing like adaptive with it ni-mh, nickel-cadmium cells such as number, household electrical appliances, electric tool, toys of electronic product all can be used charger, so charger has become the supporting necessity of electronic product.
Yet most in the market charger all can't be done any multi-section serial battery bag charging.And aspect defencive function also imperfection; Like charging overvoltage protection, short-circuit protection, charger overtemperature protection, battery reverse connecting protection; Thereby can there be potential safety hazard, and can not accurately detects battery charge and full state, the useful life that causes power brick ni-mh/nickel-cadmium cell charging.
Summary of the invention
The purpose of the utility model is to provide a kind of intelligent electric electrolytic battery charger, can be to any multi-section serial ni-mh/Ni-Cd nickel-cadmium bag charging.
The purpose of the utility model realizes through following technical scheme.
A kind of intelligent electric electrolytic battery charger comprises: AC input lightning protection module, rectification filtering module, PWM switch module, output protection module, voltage stabilizing control module and microcomputer controlling module; AC input lightning protection module is connected on the ac-input power supply line; The AC alternating current is imported the lightning protection module after rectification filtering module links to each other with PWM switch module input through AC; Through being pressed by voltage stabilizing control module control output galvanic current after the high frequency transformer power conversion, direct voltage is again through output protection module and microcomputer controlling module output battery charging voltage.
Preferably; Said PWM switch module comprises pwm chip, first resistance, second resistance, FET; High direct voltage is through first resistance, the efficient self-adapted switch PWM control chip of second resistance starting, and the pwm chip outputting drive voltage gets into power conversion to the field effect plumber.
Preferably, said PWM switch module also comprises the linear voltage-stabilizing circuit of being made up of first triode, the 3rd resistance, voltage-stabiliser tube.
Preferably, said output protection module comprises first diode, second triode.
Preferably; Said microcomputer controlling module comprises microcomputerized control chip, first amplifier, second amplifier, second diode, and the microcomputerized control chip makes charging current voltage charge the battery by setting requirement through first amplifier, second amplifier, second diode control voltage stabilizing control module.
Preferably, said microcomputer controlling module comprises the charging indication of being made up of LED1, LED2, the 4th resistance.
The utility model compared with prior art; Beneficial effect is: the intelligent electric electrolytic battery charger that the utility model provides can be to any multi-section serial ni-mh/Ni-Cd nickel-cadmium bag charging; Have charging overvoltage protection, short-circuit protection, charger overtemperature protection, battery reverse connecting protection function, it is safe and reliable to charge; And can accurately detect cell voltage and electric current, Based Intelligent Control charging overall process.Have that power consumption is little, energy-conserving and environment-protective, low cost and other advantages.
Description of drawings
Fig. 1 is the utility model intelligent electric battery charger circuit theory diagram;
Fig. 2 is the utility model intelligent electric battery charger circuit schematic diagram.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See also Fig. 1, shown in 2, the utility model intelligent electric battery charger circuit comprises: AC input lightning protection module, rectification filtering module, PWM switch module, output protection module, voltage stabilizing control module and microcomputer controlling module.AC input lightning protection module is connected on the ac-input power supply line; The AC alternating current is imported the lightning protection module after rectification filtering module links to each other with PWM switch module input through AC; Through being pressed by voltage stabilizing control module control output galvanic current after the high frequency transformer power conversion, direct voltage is again through output protection module and microcomputer controlling module output battery charging voltage.
Among Fig. 2; The utility model adopt to exchange the general civil power of 90-265V as the input power supply, and charger input supply terminal mouth line comprises that L line and N line import, and brings damage in order to prevent that the external voltage electric current is excessive; In the present embodiment; The safety that on the L line, is connected in series protective tube F1 through insuring cross-over connection piezo-resistance VR1 between back L line and the N line, causes damage to prevent the lightning fire surge current to charger.AC voltage provides high direct voltage by the rectification module rectification; High direct voltage is passed through R5 through filter circuit to PWM switch module high direct voltage; R6 starts efficient self-adapted switch PWM IC U1 (U1 is the OB2263 control IC), and U1 (6 pin) outputting drive voltage gets into power conversion to the work of Q1 FET.Switch transformer T1 gets into power conversion one tunnel power supply by R13, and D3 provides stable voltage to supply with U1 (5 pin) through linear voltage stabilization combinational circuit (Q4, R46, Z4) and keeps Switching Power Supply power conversion operate as normal.One the tunnel supplies power guarantees output voltage reliable and stable safety to voltage stabilizing control module U2 control U1 (2 pin).The reliable and stable output voltage charges to power brick through output protection module (D5, Q2 and peripheral component combination) safety.Charge the battery while microcomputer controlling module charging voltage through R37, R38; R39; C18 detects comprehensively to the input of U6 (U6 is microcomputerized control IC) 7 pin, and the control protection provides the stability and safety output voltage to charge to power brick; The charging indication is indicated (red light during charging is full of electric green light) by U6 (2 pin and 6 pin) output voltage to LED1, LED2 lamp.The 5 foot control systems of U6 charging process, charging be control U4A, U4B when not charging,, D6 control voltage stabilizing control module makes charging current voltage by setting charging the battery of requirements safety, and U6 accurately detects cell voltage and electric current, the Based Intelligent Control overall process of charging.U6 5 pin design the SW1 DIP switch designs of practical fast and slow charge simple to operate in addition, and it is to connect R34 through bonding wire that SW1 DIP switch is assemblied in upper casing, and R33 control U6 (5 pin) reaches practical fast and slow charge human oriented design simple to operate.U6 possesses multiple charging cut-off method: Negative Pressure Difference (dV), zero pressure difference (0dV), maximum time (Tmax) and discern battery status automatically, can use with unavailable LED lamp prompting user for fail battery and to note.Under the perfect cooperation control of microcomputer controlling module and other module, arbitrarily the multi-section serial battery bag is charged.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. an intelligent electric electrolytic battery charger is characterized in that, comprising: AC input lightning protection module, rectification filtering module, PWM switch module, output protection module, voltage stabilizing control module and microcomputer controlling module; AC input lightning protection module is connected on the ac-input power supply line; The AC alternating current is imported the lightning protection module after rectification filtering module links to each other with PWM switch module input through AC; Through being pressed by voltage stabilizing control module control output galvanic current after the high frequency transformer power conversion, direct voltage is again through output protection module and microcomputer controlling module output battery charging voltage.
2. intelligent electric electrolytic battery charger as claimed in claim 1; It is characterized in that; Said PWM switch module comprises pwm chip, first resistance, second resistance, FET; High direct voltage is through first resistance, the efficient self-adapted switch PWM control chip of second resistance starting, and the pwm chip outputting drive voltage gets into power conversion to the field effect plumber.
3. intelligent electric electrolytic battery charger as claimed in claim 2 is characterized in that, said PWM switch module also comprises the linear voltage-stabilizing circuit of being made up of first triode, the 3rd resistance, voltage-stabiliser tube.
4. intelligent electric electrolytic battery charger as claimed in claim 2 is characterized in that, said output protection module comprises first diode, second triode.
5. intelligent electric electrolytic battery charger as claimed in claim 2; It is characterized in that; Said microcomputer controlling module comprises microcomputerized control chip, first amplifier, second amplifier, second diode, and the microcomputerized control chip makes charging current voltage charge the battery by setting requirement through first amplifier, second amplifier, second diode control voltage stabilizing control module.
6. intelligent electric electrolytic battery charger as claimed in claim 5 is characterized in that, said microcomputer controlling module comprises the charging indication of being made up of LED1, LED2, the 4th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201071994U CN202524148U (en) | 2012-03-21 | 2012-03-21 | Intelligent battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201071994U CN202524148U (en) | 2012-03-21 | 2012-03-21 | Intelligent battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202524148U true CN202524148U (en) | 2012-11-07 |
Family
ID=47107077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201071994U Expired - Fee Related CN202524148U (en) | 2012-03-21 | 2012-03-21 | Intelligent battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202524148U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887962A (en) * | 2016-02-05 | 2018-04-06 | 广东欧珀移动通信有限公司 | Anti-lightning strike guard method and power supply adaptor when charging system, charging |
| WO2019047434A1 (en) * | 2017-09-11 | 2019-03-14 | 深圳易马达科技有限公司 | Charging circuit and charging device |
-
2012
- 2012-03-21 CN CN2012201071994U patent/CN202524148U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887962A (en) * | 2016-02-05 | 2018-04-06 | 广东欧珀移动通信有限公司 | Anti-lightning strike guard method and power supply adaptor when charging system, charging |
| CN107887962B (en) * | 2016-02-05 | 2019-07-12 | Oppo广东移动通信有限公司 | Anti-lightning strike guard method and power supply adaptor when charging system, charging |
| WO2019047434A1 (en) * | 2017-09-11 | 2019-03-14 | 深圳易马达科技有限公司 | Charging circuit and charging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140321 |