CN105141017A - Universal old Mn-Zn dry battery charger - Google Patents
Universal old Mn-Zn dry battery charger Download PDFInfo
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- CN105141017A CN105141017A CN201510566772.6A CN201510566772A CN105141017A CN 105141017 A CN105141017 A CN 105141017A CN 201510566772 A CN201510566772 A CN 201510566772A CN 105141017 A CN105141017 A CN 105141017A
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Abstract
The invention relates to a universal old Mn-Zn dry battery charger, and is characterized by including a 220V alternating current power supply, an alternating current power supply transformer, a half-wave rectifying circuit, a charging current and final voltage presetting circuit, a charging output circuit and a charging state display circuit. Old Mn-Zn dry batteries can be seen everywhere, and cause severe pollution to environment. In reality, old Mn-Zn dry batteries that are newly replaced can be absolutely recycled. The universal old Mn-Zn dry battery charger can charge 1-4 old Mn-Zn dry batteries, charging current is adjustable and final voltage is preset by a linear potentionmeter. The universal old Mn-Zn dry battery charger not only can charge common Mn-Zn dry batteries, but also can charge nickel-cadmium batteries and alkaline batteries.
Description
Technical field
The invention belongs to battery boosting technology field, is about the general old MnZn dry battery charger of one.
Background technology
Old MnZn dry cell is seen everywhere now, and its pollution on the environment is early finalized.These old MnZn dry cells just changed can recycle completely in fact.General old MnZn dry battery charger not only to common MnZn dry cell or charge to nickel-cadmium cell, and can be alkaline battery charging.It can be the old MnZn dry battery charge of 1 ~ 4 joint (note: old MnZn dry cell necessarily can not leakage or crust damaged), its charging current is adjustable, final voltage is preset by linear potentiometer.
Below describe that general old MnZn dry battery charger of the present invention is involved necessary in implementation process, guardian technique content in detail.
Summary of the invention
Goal of the invention and beneficial effect: old MnZn dry cell is seen everywhere, and it can cause severe contamination to environment.In reality, the old MnZn dry cell just changed can recycle completely.General old MnZn dry battery charger can be the old MnZn dry cell of 1 ~ 4 joint and charges, and its charging current is adjustable, final voltage is preset by linear potentiometer.It not only to common MnZn dry battery charge, also can charge to nickel-cadmium cell, but also can charge to alkaline battery.
Circuit working principle: after the attaching of old MnZn dry cell enters the circuit of general old MnZn dry battery charger, LED will be luminous, at this moment linear adjustment potentiometer RP makes LED reach the brightest, if MnZn dry cell electricity is full of, then LED dimmed or extinguish, should take off in time after MnZn dry cell is full of electricity, the general charging interval controlled at 12 ~ 15 hours.When for old MnZn dry battery charge, charging current can not be excessive, and general charging current is limited in below 40mA, in case charging current is crossed the heating of ambassador's MnZn dry cell and causes explosion.Rechargeable battery allows charging current comparatively large (being applicable to filling soon), but should increase charging automatic stopping circuit, and its object is also cause explosion to prevent over-charging of battery from generating heat.
Technical scheme: general old MnZn dry battery charger, it comprises 220V AC power, ac power transformer and half-wave rectifying circuit, charging current and final voltage prewired circuit, charging output circuit and charged state display circuit, it is characterized in that:
Ac power transformer and half-wave rectifying circuit: the two termination 220V AC power of the primary coil L1 of ac power transformer B, the positive pole of the one termination silicon rectifier diode D1 of ac power transformer B secondary coil L2, the negative pole of the other end connection circuit ground GND, the silicon rectifier diode D1 of ac power transformer B secondary coil L2 connects charging current and final voltage prewired circuit;
Charging current and final voltage prewired circuit: one end of the negative terminal potentiometer RP of silicon rectifier diode D1, the other end connection circuit ground GND of linear potentiometer RP, the movable end of linear potentiometer RP connects the grid of N channel field-effect pipe VT1 by resistance R2, the drain electrode of source electrode connection circuit ground GND, the N channel field-effect pipe VT1 of N channel field-effect pipe VT1 connects charging output circuit and charged state display circuit;
Charging output circuit and charged state display circuit: it is by LED, resistance R1 and filled old MnZn dry cell batteries and form, the drain electrode of N channel field-effect pipe VT1 connects the negative pole of old MnZn dry cell batteries, the positive pole of old MnZn dry cell batteries connects the negative pole of LED and one end of resistance R1, the negative pole of the positive pole of LED and another termination silicon rectifier diode D1 of resistance R1.
Accompanying drawing explanation
Accompanying drawing 1 is the circuit working schematic diagram of a general old MnZn dry battery charger provided by the invention embodiment.
Embodiment
According to the general old MnZn dry battery charger circuit working schematic diagram shown in accompanying drawing 1 and accompanying drawing explanation, and according to annexation between components and parts in each several part circuit described in summary of the invention, and components and parts technical parameter described in execution mode requires and circuit production main points are carried out enforcement and can be realized the present invention, is further described correlation technique of the present invention below in conjunction with embodiment.
The technical parameter of components and parts and selection requirement
VT1 is N channel field-effect pipe, and the model selected is: BS170;
D1 is silicon rectifier diode, and the model selected is: 1N4001;
LED is light-emitting diode, selects the common red light emitting diodes of ￠ 5;
RP is linear potentiometer, and the resistance of use is 330K Ω;
The resistance of resistance R1 is 100 Ω (actual use needs adjustment); Resistance R2 resistance is 120K Ω;
B is 220V ac power transformer, and the output voltage of secondary coil L2 is 20V, power is 3W.
Circuit production main points, circuit debugging and using method
Because the circuit structure of general old MnZn dry battery charger is fairly simple, as long as the electronic devices and components performance generally selected is intact, and the components and parts annexation to specifications in accompanying drawing 1 is welded, physical connection line and welding quality are through carefully checking correctly, and circuit of the present invention only needs to debug simply and can normally work;
When the regulation of electrical circuit, 500mA DC ammeter is sealed in half-wave rectifying circuit loop;
Then linear potentiometer RP is threaded to centre position, adjusts its resistance, make DC ammeter be designated as maximum charging current, at this moment LED should be lighted, and charging current is approximately 50 ~ 60mA;
Finally when old MnZn dry cell is full of electricity, LED should dimmed or extinguishing.
When battery is older or poor-performing, the charging interval suitably should increase the charging interval according to actual conditions; The present invention, except can be old MnZn dry battery charge, also can be various nickel-cadmium cell or alkaline battery.
Circuit components layout of the present invention, circuit structure design, its face shaping and size etc. are not all key technologies of the present invention; neither application claims protection technology contents; because not affecting specific implementation process of the present invention, therefore do not illustrate one by one in the description.
Claims (1)
1. a general old MnZn dry battery charger, it comprises 220V AC power, ac power transformer and half-wave rectifying circuit, charging current final voltage preset and charging circuit, charging output circuit and charged state display circuit, it is characterized in that:
Described ac power transformer and half-wave rectifying circuit: the two termination 220V AC power of the primary coil L1 of ac power transformer B, the positive pole of the one termination silicon rectifier diode D1 of ac power transformer B secondary coil L2, the negative pole of the other end connection circuit ground GND, the silicon rectifier diode D1 of ac power transformer B secondary coil L2 connects charging current and final voltage prewired circuit;
Described charging current and final voltage prewired circuit: one end of the negative terminal potentiometer RP of silicon rectifier diode D1, the other end connection circuit ground GND of linear potentiometer RP, the movable end of linear potentiometer RP connects the grid of N channel field-effect pipe VT1 by resistance R2, the drain electrode of source electrode connection circuit ground GND, the N channel field-effect pipe VT1 of N channel field-effect pipe VT1 connects charging output circuit and charged state display circuit;
Described charging output circuit and charged state display circuit are by LED, resistance R1 and filled old MnZn dry cell batteries and form, the drain electrode of N channel field-effect pipe VT1 connects the negative pole of old MnZn dry cell batteries, the positive pole of old MnZn dry cell batteries connects the negative pole of LED and one end of resistance R1, the negative pole of the positive pole of LED and another termination silicon rectifier diode D1 of resistance R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566772.6A CN105141017A (en) | 2015-09-08 | 2015-09-08 | Universal old Mn-Zn dry battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510566772.6A CN105141017A (en) | 2015-09-08 | 2015-09-08 | Universal old Mn-Zn dry battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105141017A true CN105141017A (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510566772.6A Pending CN105141017A (en) | 2015-09-08 | 2015-09-08 | Universal old Mn-Zn dry battery charger |
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| Country | Link |
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| CN (1) | CN105141017A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226367Y (en) * | 2008-06-30 | 2009-04-22 | 李荣显 | Apparatus for repairing battery capacity |
| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN204967396U (en) * | 2015-09-08 | 2016-01-13 | 周芸 | Battery charger is done to general old manganese zinc |
-
2015
- 2015-09-08 CN CN201510566772.6A patent/CN105141017A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201226367Y (en) * | 2008-06-30 | 2009-04-22 | 李荣显 | Apparatus for repairing battery capacity |
| US20100259214A1 (en) * | 2009-04-08 | 2010-10-14 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Wireless charging system |
| CN204967396U (en) * | 2015-09-08 | 2016-01-13 | 周芸 | Battery charger is done to general old manganese zinc |
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Application publication date: 20151209 |