CN103701175B - A kind of charger of automatic identification cell voltage gear - Google Patents
A kind of charger of automatic identification cell voltage gear Download PDFInfo
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- CN103701175B CN103701175B CN201310754120.6A CN201310754120A CN103701175B CN 103701175 B CN103701175 B CN 103701175B CN 201310754120 A CN201310754120 A CN 201310754120A CN 103701175 B CN103701175 B CN 103701175B
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- 230000005611 electricity Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
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- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention discloses a kind of charger of automatic identification cell voltage gear, belong to technical field of electricity, it is by AC input, control circuit, charger, rechargeable battery, Switching Power Supply, single-chip microcomputer is formed, wherein control circuit one end is connected with single-chip microcomputer, the other end is connected with Switching Power Supply, other end contact relay and the ground connection respectively of Switching Power Supply, single-chip microcomputer detects the signal between battery to be charged and charger by pin 4, after calculating and judging that battery is battery to be charged, single-chip microcomputer pin 3 exports high level and triode Q1 is opened, and then relay K 1 is opened, single-chip microcomputer controls charging voltage by pin 1, pin 2 controls charging current and to charge 2MIN to battery impulse, then charging is stopped, the present invention can identify cell voltage automatically, eliminates user manually selects cell voltage gear to bring puzzlement when charging the battery, and can automatically identify bad battery and aged battery, reminding user is changed in time, and the response time is fast, easy to use etc.
Description
Technical field
The present invention relates to a kind of charger of automatic identification cell voltage gear, especially a kind of for 6V, 12V, 24V lead-acid battery charger.
Background technology
Different batteries has and different is full of voltage, and the voltage that is full of of 6V battery is 7.2V; The voltage that is full of of 12V battery is 14.6V; The voltage that is full of of 24V battery is 28.8V.
The charger of present market is univoltage charger and the multivoltage charger needing manual switchover voltage gear.Univoltage charger can only give the charging of single battery.Need the multivoltage charger of manual switchover voltage gear, need artificially to identify that battery types manually selects charger voltage gear again before charging, if choosing is wrong, handlebar battery fills risk that is bad or that be not fully filled, and user needs certain professional knowledge.
Summary of the invention
Object of the present invention, exactly in order to solve the drawback that above-mentioned prior art exists, and a kind of charger of automatic identification cell voltage gear is provided, automatically cell voltage can be identified, eliminate user manually selects cell voltage gear to bring puzzlement when charging the battery, can automatically identify bad battery and aged battery, reminding user is changed in time, response time is fast, easy to use etc.
The present invention is achieved by the following technical solutions:
A kind of charger of automatic identification cell voltage gear, it is by AC input, control circuit, charger, rechargeable battery, Switching Power Supply, single-chip microcomputer is formed, wherein control circuit one end is connected with single-chip microcomputer, the other end is connected with Switching Power Supply, other end contact relay and the ground connection respectively of Switching Power Supply, single-chip microcomputer detects the signal between battery to be charged and charger by pin 4, after calculating and judging that battery is battery to be charged, single-chip microcomputer pin 3 exports high level and triode Q1 is opened, and then relay K 1 is opened, single-chip microcomputer controls charging voltage by pin 1, pin 2 controls charging current and to charge 2MIN to battery impulse, then charging is stopped, single-chip microcomputer pin 3 output low level turns off Q1, and then relay K 1 is closed, by resistance R1, R2 to battery discharge 10s, single-chip microcomputer detects cell voltage by pin 4.
The charger of above-mentioned a kind of automatic identification cell voltage gear, described single-chip microcomputer, pin 1 is wherein connected with R9, exports PWM, by controlling charging voltage after capacitance-resistance filter;
Pin 2 is connected with R11, exports PWM, by controlling charging current after capacitance-resistance filter;
Pin 3 is connected with R3, the break-make of control relay;
Pin 4 is connected with R1, R2, gathers cell voltage;
Pin 5 is connected with R7, gathers charging current;
Pin 6, pin 7 are respectively positive source and power cathode.
The charger of above-mentioned a kind of automatic identification cell voltage gear, described triode, Q1 base stage is wherein connected with R3, and collector electrode is connected with rectifier diode D2 positive pole, grounded emitter.
The charger of above-mentioned a kind of automatic identification cell voltage gear, described relay, pin 1 is wherein connected with Q1 collector electrode, and pin 2 is connected with D1 negative pole, and be connected with Switching Power Supply output cathode after pin 3, pin 4 short circuit, pin 5 is connected with anode.
The charger of above-mentioned a kind of automatic identification cell voltage gear, described resistance, R1 mono-pin wherein is just connecing battery, and another pin is connected with R2;
R2 mono-pin is connected with R1, another pin welding system ground;
R3 mono-pin connects the pin 3 of single-chip microcomputer, and another pin connects Q1 base stage;
R5 mono-pin meets+12V, and another pin connects rectifier diode D1 positive pole;
R6 mono-pin is connected with battery cathode, another pin welding system ground;
R7 mono-pin is connected with the pin 5 of single-chip microcomputer, and another pin connects battery cathode;
R8 mono-pin is connected with R9, another pin connection control circuit;
R9 mono-pin is connected with the pin 1 of single-chip microcomputer, and another pin is connected with R8;
R10 mono-pin connection control circuit, another pin is connected with R11;
R11 mono-pin is connected with the pin 2 of single-chip microcomputer, and another pin is connected with R10.
The charger of above-mentioned a kind of automatic identification cell voltage gear, described rectifier diode, D2 positive pole wherein connects Q1 collector electrode, 2 pins of the K1 of negative pole contact relay.
The charger of a kind of automatic identification cell voltage gear of the present invention, its workflow is:
After system connects electricity, just exporting, exporting the voltage at the detection clip two ends at negative place, when clip both end voltage is less than 0.5V or is greater than 15V, miscalculation connects; Bad battery is calculated when clip both end voltage is between 0.5V-1.5V; When clip both end voltage is between 14V-15V, calculate the full battery of 12V; When clip both end voltage is between 1.5V-14V, first carry out 2MIN pulse current charge, then low discharging current 10S, then check clip both end voltage; Be 12V battery when voltage is greater than 7.5V, otherwise be 6V battery; 6V battery charges with 7.2V nominal current; 2MIN is not charged to 5.5V or 24 hour and is not also full of and is judged to bad battery; When voltage is greater than 7.1V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 6V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 6.4V and again charges; 12V battery charges with 14.6V nominal current; 2MIN is not charged to 11V or 24h and is not also full of and is judged to bad battery; When voltage is greater than 14.5V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 12V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 12.8V and again charges.
Owing to have employed above technology, the present invention comparatively prior art or product compares, and the beneficial effect had is as follows:
1, automatically can identifying cell voltage, eliminating the puzzlement that user manually selects when charging the battery cell voltage gear to bring.
2, can automatically identify bad battery and aged battery, reminding user is changed in time.
3, the response time is fast.
4, automatically cell voltage gear is identified, safety easy to use.
Accompanying drawing explanation
Fig. 1, be circuit diagram of the present invention.
Fig. 2, be work order flow chart of the present invention.
In figure: IC1 is single-chip microcomputer, K1 is relay.
Embodiment
Below in conjunction with accompanying drawing structure of the present invention and workflow done and be described further;
See Fig. 1, a kind of charger of automatic identification cell voltage gear, it is by AC input, control circuit, charger, rechargeable battery, Switching Power Supply, single-chip microcomputer is formed, wherein control circuit one end is connected with single-chip microcomputer, the other end is connected with Switching Power Supply, other end contact relay and the ground connection respectively of Switching Power Supply, single-chip microcomputer detects the signal between battery to be charged and charger by pin 4, after calculating and judging that battery is battery to be charged, single-chip microcomputer pin 3 exports high level and triode Q1 is opened, and then relay K 1 is opened, single-chip microcomputer controls charging voltage by pin 1, pin 2 controls charging current and to charge 2MIN to battery impulse, then charging is stopped, single-chip microcomputer pin 3 output low level turns off Q1, and then relay K 1 is closed, by resistance R1, R2 to battery discharge 10s, single-chip microcomputer detects cell voltage by pin 4, is 12V battery higher than 7.5V, otherwise be 6V battery.
The charger of a kind of automatic identification cell voltage gear described above, described single-chip microcomputer, pin 1 is wherein connected with R9, exports PWM, by controlling charging voltage after capacitance-resistance filter;
Pin 2 is connected with R11, exports PWM, by controlling charging current after capacitance-resistance filter;
Pin 3 is connected with R3, the break-make of control relay;
Pin 4 is connected with R1, R2, gathers cell voltage;
Pin 5 is connected with R7, gathers charging current;
Pin 6, pin 7 are respectively positive source and power cathode.
The charger of a kind of automatic identification cell voltage gear described above, described resistance, R1 mono-pin wherein is just connecing battery, and another pin is connected with R2;
R2 mono-pin is connected with R1, another pin welding system ground;
R3 mono-pin connects the pin 3 of single-chip microcomputer, and another pin connects Q1 base stage;
R5 mono-pin meets+12V, and another pin connects rectifier diode D1 positive pole;
R6 mono-pin is connected with battery cathode, another pin welding system ground;
R7 mono-pin is connected with the pin 5 of single-chip microcomputer, and another pin connects battery cathode;
R8 mono-pin is connected with R9, another pin connection control circuit;
R9 mono-pin is connected with the pin 1 of single-chip microcomputer, and another pin is connected with R8;
R10 mono-pin connection control circuit, another pin is connected with R11;
R11 mono-pin is connected with the pin 2 of single-chip microcomputer, and another pin is connected with R10.
The charger of a kind of automatic identification cell voltage gear described above, described rectifier diode, D2 positive pole wherein connects Q1 collector electrode, 2 pins of the K1 of negative pole contact relay.
The charger of a kind of automatic identification cell voltage gear described above, described triode, Q1 base stage is wherein connected with R3, and collector electrode is connected with D2 positive pole, grounded emitter.
The charger of a kind of automatic identification cell voltage gear described above, described relay, its pin 1 is connected with Q1 collector electrode, and pin 2 is connected with D1 negative pole, and be connected with Switching Power Supply output cathode after pin 3, pin 4 short circuit, pin 5 is connected with anode.
See Fig. 2, workflow of the present invention is:
After system connects electricity, just exporting, exporting the voltage at the detection clip two ends at negative place, when clip both end voltage is less than 0.5V or is greater than 15V, miscalculation connects; Bad battery is calculated when clip both end voltage is between 0.5V-1.5V; When clip both end voltage is between 14V-15V, calculate the full battery of 12V; When clip both end voltage is between 1.5V-14V, first carry out 2MIN pulse current charge, then low discharging current 10S, then check clip both end voltage; Be 12V battery when voltage is greater than 7.5V, otherwise be 6V battery; 6V battery charges with 7.2V nominal current; 2MIN is not charged to 5.5V or 24 hour and is not also full of and is judged to bad battery; When voltage is greater than 7.1V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 6V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 6.4V and again charges; 12V battery charges with 14.6V nominal current; 2MIN is not charged to 11V or 24h and is not also full of and is judged to bad battery; When voltage is greater than 14.5V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 12V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 12.8V and again charges.
Claims (6)
1. one kind identifies the charger of cell voltage gear automatically, it is by AC input, control circuit, charger, rechargeable battery, Switching Power Supply, single-chip microcomputer is formed, wherein control circuit one end is connected with single-chip microcomputer, the other end is connected with Switching Power Supply, other end contact relay and the ground connection respectively of Switching Power Supply, single-chip microcomputer detects the signal between battery to be charged and charger by pin 4, after calculating and judging that battery is battery to be charged, single-chip microcomputer pin 3 exports high level and triode Q1 is opened, and then relay K 1 is opened, single-chip microcomputer controls charging voltage by pin 1, pin 2 controls charging current and to charge 2MIN to battery impulse, then charging is stopped, single-chip microcomputer pin 3 output low level turns off Q1, and then relay K 1 is closed, by resistance R1, R2 to battery discharge 10s, single-chip microcomputer detects cell voltage by pin 4, it is characterized in that: described resistance, R1 mono-pin wherein is just connecing battery, and another pin is connected with R2,
R2 mono-pin is connected with R1, another pin welding system ground;
R3 mono-pin connects the pin 3 of single-chip microcomputer, and another pin connects Q1 base stage;
R5 mono-pin meets+12V, and another pin connects rectifier diode D1 positive pole;
R6 mono-pin is connected with battery cathode, another pin welding system ground;
R7 mono-pin is connected with the pin 5 of single-chip microcomputer, and another pin connects battery cathode;
R8 mono-pin is connected with R9, another pin connection control circuit;
R9 mono-pin is connected with the pin 1 of single-chip microcomputer, and another pin is connected with R8;
R10 mono-pin connection control circuit, another pin is connected with R11;
R11 mono-pin is connected with the pin 2 of single-chip microcomputer, and another pin is connected with R10.
2. the charger of a kind of automatic identification cell voltage gear as claimed in claim 1, described single-chip microcomputer, pin 1 is wherein connected with R9, exports PWM, by controlling charging voltage after capacitance-resistance filter;
Pin 2 is connected with R11, exports PWM, by controlling charging current after capacitance-resistance filter;
Pin 3 is connected with R3, the break-make of control relay;
Pin 4 is connected with R1, R2, gathers cell voltage;
Pin 5 is connected with R7, gathers charging current;
Pin 6, pin 7 are respectively positive source and power cathode.
3. the charger of a kind of automatic identification cell voltage gear as claimed in claim 1, described triode, Q1 base stage is wherein connected with R3, and collector electrode is connected with rectifier diode D2 positive pole, grounded emitter.
4. the charger of a kind of automatic identification cell voltage gear as claimed in claim 1, described relay, pin 1 is wherein connected with Q1 collector electrode, and pin 2 is connected with D1 negative pole, be connected with Switching Power Supply output cathode after pin 3, pin 4 short circuit, pin 5 is connected with anode.
5. the charger of a kind of automatic identification cell voltage gear as claimed in claim 3, described rectifier diode, D2 positive pole wherein connects Q1 collector electrode, 2 pins of the K1 of negative pole contact relay.
6. the charger of a kind of automatic identification cell voltage gear as claimed in claim 1, its workflow is:
After system connects electricity, just exporting, exporting the voltage at the detection clip two ends at negative place, when clip both end voltage is less than 0.5V or is greater than 15V, miscalculation connects; Bad battery is calculated when clip both end voltage is between 0.5V-1.5V; When clip both end voltage is between 14V-15V, calculate the full battery of 12V; When clip both end voltage is between 1.5V-14V, first carry out 2MIN pulse current charge, then low discharging current 10S, then check clip both end voltage; Be 12V battery when voltage is greater than 7.5V, otherwise be 6V battery; 6V battery charges with 7.2V nominal current; 2MIN is not charged to 5.5V or 24 hour and is not also full of and is judged to bad battery; When voltage is greater than 7.1V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 6V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 6.4V and again charges; 12V battery charges with 14.6V nominal current; 2MIN is not charged to 11V or 24h and is not also full of and is judged to bad battery; When voltage is greater than 14.5V and charging current is less than 0.8A, is judged to and is full of; Be full of cell voltage in 2MIN to drop to below 12V and be judged to bad battery; After being full of 2MIN, cell voltage falls below 12.8V and again charges.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310754120.6A CN103701175B (en) | 2013-12-31 | 2013-12-31 | A kind of charger of automatic identification cell voltage gear |
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| CN201310754120.6A CN103701175B (en) | 2013-12-31 | 2013-12-31 | A kind of charger of automatic identification cell voltage gear |
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| CN103701175B true CN103701175B (en) | 2015-11-18 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104681889B (en) * | 2015-02-11 | 2017-07-28 | 厦门乐人电子有限公司 | A kind of automatic gear shifting charging method of charger and its charging and detection circuit |
| CN105337340A (en) * | 2015-09-15 | 2016-02-17 | 李文杰 | Three-stage charging circuit compatible with Ni-MH battery and lithium battery |
| CN107359653A (en) * | 2016-08-12 | 2017-11-17 | 海洋王（东莞）照明科技有限公司 | Adaptive charging circuit |
| WO2020097918A1 (en) * | 2018-11-16 | 2020-05-22 | 深圳市欢太科技有限公司 | Method and device for adjusting charge current, and terminal and computer-readable storage medium |
| CN111600351A (en) * | 2020-05-21 | 2020-08-28 | 北京小米移动软件有限公司 | Rechargeable battery, terminal device, charging method, charging system, and charging apparatus |
| CN113852175B (en) * | 2021-11-24 | 2023-01-13 | 深圳易能时代科技有限公司 | Charging pile and charging method thereof |
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| CN202888916U (en) * | 2012-11-17 | 2013-04-17 | 高迟 | Multifunctional charging device capable of automatically identifying voltage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7672798B2 (en) * | 2002-06-27 | 2010-03-02 | Spx Corporation | Apparatus and method for determining the temperature of a charging power source |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102470776A (en) * | 2010-04-20 | 2012-05-23 | 韩华机械株式会社 | Universal charging device |
| CN102005796A (en) * | 2010-12-07 | 2011-04-06 | 深圳市思倍生电子科技有限公司 | Mobile power supply and control method thereof |
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Address after: 201109 floor 1-2, building 1, No. 18, Lane 4916, Hongmei South Road, Minhang District, Shanghai Patentee after: SHANGHAI POWER STATION Co.,Ltd. Address before: No. 18, Lane 4916, Hongmei South Road, Minhang District, Shanghai 200241 Patentee before: SHANGHAI POWER STATION Co.,Ltd. |