CN203522293U - Battery charger capable of automatically stopping charging - Google Patents
Battery charger capable of automatically stopping charging Download PDFInfo
- Publication number
- CN203522293U CN203522293U CN201320681368.XU CN201320681368U CN203522293U CN 203522293 U CN203522293 U CN 203522293U CN 201320681368 U CN201320681368 U CN 201320681368U CN 203522293 U CN203522293 U CN 203522293U
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- China
- Prior art keywords
- diode
- resistance
- relay
- negative pole
- battery charger
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- Expired - Fee Related
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Abstract
The utility model discloses a battery charger capable of automatically stopping charging. The battery charger comprises an AC power supply, a transformer, a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a triode, a capacitor, a relay, a first resistor, a second resistor, a third resistor, a potentiometer, a voltage-regulator diode and a battery. The battery charger capable of automatically stopping charging in the utility model has the advantages of being simple in circuit structure, few in components adopted, small in size, low in production cost, and easy to produce; and especially the automatically stopping charging performance is stable, and the battery charger facilitates popularization.
Description
Technical field
The utility model relates to a kind of battery charger of telecommunications product, relates in particular to a kind of battery charger that automatically stops charging.
Background technology
In prior art for the battery charger of telecommunications product, circuit structure is complicated, employing element is many, bulky, also be not easy to make, especially expensive and automatically stop the deficiency of charge function, make the charger of this electronic product battery be not easy to popularization.
Utility model content
The purpose of this utility model provides a kind of battery charger that automatically stops charging with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises AC power, transformer, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, triode, electric capacity, relay, the first resistance, the second resistance, the 3rd resistance, potentiometer, voltage stabilizing didoe and battery, the live wire of described AC power is connected with the first end of described transformer the first winding, the zero line of described AC power is connected with the second end of described transformer the first winding, the first end of described transformer the second winding is connected with the first end of described relay the first normally opened contact, the second end while of described transformer the second winding and the negative pole of described the second diode, the negative pole of described battery, the first end of described the second resistance, the negative pole of described the 5th diode is connected with the negative pole of described the 4th diode, the second end of described relay the first normally opened contact is connected with the positive pole of described the first diode, the negative pole of described the first diode is connected with the first end of described relay the second normally opened contact with the first end of described the first resistance simultaneously, the second end of described the first resistance is connected with the positive pole of described the second diode, the second end while of described relay the second normally opened contact and the positive pole of described battery, the negative pole of described voltage stabilizing didoe, the first end of described relay, the first end of described electric capacity is connected with the negative pole of described the 3rd diode, the anodal of described voltage stabilizing didoe is connected with the second end of described the second resistance and the first end of described potentiometer simultaneously, the second end of described potentiometer is connected with the sliding end of described potentiometer and the base stage of described triode simultaneously, the second end while of described relay and the second end of described electric capacity, the collector electrode of described triode, the positive pole of described the 3rd diode is connected with the first end of described the 3rd resistance, and the emitter of described triode is connected with the positive pole of described the 5th diode, and the second end of described the 3rd resistance is connected with the positive pole of described the 4th diode.
Particularly, described the first diode selects current value to arrive 10A at 5A, and back-pressure value is greater than the silicon rectifier diode of 100V; It is the voltage stabilizing didoe of 2CW19 that described voltage stabilizing didoe is selected model; The light-emitting diode that described the second diode is green light, described the 4th diode is the light-emitting diode glowing.
The beneficial effects of the utility model are:
The utility model is a kind of battery charger that automatically stops charging, not only have circuit structure simple, adopt that element is few, volume is little, cost of manufacture is low and the feature of easy making, especially automatically stop charging performance stable, be of value to popularization.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises AC power AC, transformer T, the first diode VD1, the second diode VD2, the 3rd diode VD3, the 4th diode VD4, the 5th diode VD5, triode VT, capacitor C, relay J, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, potentiometer RP, voltage stabilizing didoe DW and battery E, the live wire of AC power AC is connected with the first end of transformer T the first winding, the zero line of AC power AC is connected with the second end of transformer T the first winding, the first end of transformer T the second winding is connected with the first end of relay J the first normally opened contact J1, the second end while of transformer T the second winding and the negative pole of the second diode VD2, the negative pole of battery E, the first end of the second resistance R 2, the negative pole of the 5th diode VD5 is connected with the negative pole of the 4th diode VD4, the second end of relay J the first normally opened contact J1 is connected with the positive pole of the first diode VD1, the negative pole of the first diode VD1 is connected with the first end of relay J the second normally opened contact J2 with the first end of the first resistance R 1 simultaneously, the second end of the first resistance R 1 is connected with the positive pole of the second diode VD2, the second end while of relay J the second normally opened contact J2 and the positive pole of battery E, the negative pole of voltage stabilizing didoe DW, the first end of relay J, the first end of capacitor C is connected with the negative pole of the 3rd diode VD3, the anodal of voltage stabilizing didoe DW is connected with the first end of potentiometer RP with the second end of the second resistance R 2 simultaneously, the second end of potentiometer RP is connected with the base stage of triode VT with the sliding end of potentiometer RP simultaneously, the second end while of relay J and the second end of capacitor C, the collector electrode of triode VT, the positive pole of the 3rd diode VD3 is connected with the first end of the 3rd resistance R 3, the emitter of triode VT is connected with the positive pole of the 5th diode VD5, the second end of the 3rd resistance R 3 is connected with the positive pole of the 4th diode VD4, the first diode VD1 selects current value to arrive 10A at 5A, back-pressure value is greater than the silicon rectifier diode of 100V, it is the voltage stabilizing didoe of 2CW19 that voltage stabilizing didoe DW selects model, the light-emitting diode that the second diode VD2 is green light, the 4th diode VD4 is the light-emitting diode glowing.
As shown in Figure 1: when the voltage of battery E is during lower than predetermined voltage, not conducting of voltage stabilizing didoe DW, when battery E charging reaches predetermined voltage, just conducting of voltage stabilizing didoe DW, makes triode VT conducting by potentiometer RP, relay J obtains electric, relay J the first normally opened contact J1, relay J the second normally opened contact J2 disconnect, and at this moment, the second diode VD2 goes out, the 4th diode VD4 is bright, indication charging finishes, and required magnitude of voltage is determined by voltage stabilizing didoe DW voltage stabilizing value.Pulsating dc voltage on capacitor C filtering relay after half-wave, otherwise relay J may produce continuous action, and cisco unity malfunction.
Claims (4)
1. a battery charger that automatically stops charging, is characterized in that: comprise AC power, transformer, the first diode, the second diode, the 3rd diode, the 4th diode, the 5th diode, triode, electric capacity, relay, the first resistance, the second resistance, the 3rd resistance, potentiometer, voltage stabilizing didoe and battery, the live wire of described AC power is connected with the first end of described transformer the first winding, the zero line of described AC power is connected with the second end of described transformer the first winding, the first end of described transformer the second winding is connected with the first end of described relay the first normally opened contact, the second end while of described transformer the second winding and the negative pole of described the second diode, the negative pole of described battery, the first end of described the second resistance, the negative pole of described the 5th diode is connected with the negative pole of described the 4th diode, the second end of described relay the first normally opened contact is connected with the positive pole of described the first diode, the negative pole of described the first diode is connected with the first end of described relay the second normally opened contact with the first end of described the first resistance simultaneously, the second end of described the first resistance is connected with the positive pole of described the second diode, the second end while of described relay the second normally opened contact and the positive pole of described battery, the negative pole of described voltage stabilizing didoe, the first end of described relay, the first end of described electric capacity is connected with the negative pole of described the 3rd diode, the anodal of described voltage stabilizing didoe is connected with the second end of described the second resistance and the first end of described potentiometer simultaneously, the second end of described potentiometer is connected with the sliding end of described potentiometer and the base stage of described triode simultaneously, the second end while of described relay and the second end of described electric capacity, the collector electrode of described triode, the positive pole of described the 3rd diode is connected with the first end of described the 3rd resistance, and the emitter of described triode is connected with the positive pole of described the 5th diode, and the second end of described the 3rd resistance is connected with the positive pole of described the 4th diode.
2. the battery charger that automatically stops charging according to claim 1, is characterized in that: described the first diode selects current value to arrive 10A at 5A, and back-pressure value is greater than the silicon rectifier diode of 100V.
3. the battery charger that automatically stops charging according to claim 1, is characterized in that: it is the voltage stabilizing didoe of 2CW19 that described voltage stabilizing didoe is selected model.
4. the battery charger that automatically stops charging according to claim 1, is characterized in that: the light-emitting diode that described the second diode is green light, described the 4th diode is the light-emitting diode glowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681368.XU CN203522293U (en) | 2013-10-31 | 2013-10-31 | Battery charger capable of automatically stopping charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320681368.XU CN203522293U (en) | 2013-10-31 | 2013-10-31 | Battery charger capable of automatically stopping charging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522293U true CN203522293U (en) | 2014-04-02 |
Family
ID=50381168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320681368.XU Expired - Fee Related CN203522293U (en) | 2013-10-31 | 2013-10-31 | Battery charger capable of automatically stopping charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522293U (en) |
-
2013
- 2013-10-31 CN CN201320681368.XU patent/CN203522293U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141031 |
|
| EXPY | Termination of patent right or utility model |