CN202957640U - Automatic charger having simple structure - Google Patents
Automatic charger having simple structure Download PDFInfo
- Publication number
- CN202957640U CN202957640U CN2012204787563U CN201220478756U CN202957640U CN 202957640 U CN202957640 U CN 202957640U CN 2012204787563 U CN2012204787563 U CN 2012204787563U CN 201220478756 U CN201220478756 U CN 201220478756U CN 202957640 U CN202957640 U CN 202957640U
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- diode
- light
- triode
- negative pole
- positive pole
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Abstract
The utility model discloses an automatic charger having a simple structure. The automatic charger having the simple structure comprises a transformer, a fuse, a switch, a first light emitting diode, a second light emitting diode, a first capacitor, a second capacitor, a first diode, a second diode, a third diode, a voltage-regulator tube, a potentiometer, a first resistor, a second resistor, a relay, a triode and an optical coupler. When the charging is carried out, the voltages at the two ends of a battery rise continuously, when the voltages rise to a limit voltage value, the voltage-regulator tube is in reverse breakdown and conduction, the optical coupler is conducted, and the base of the triode is pulled down to lose a positive bias, so that the triode is cut-off, and the relay loses power and is released, and accordingly a normally open switch is cut off and the charger stops charging. The automatic charger having the simple structure of the utility model employs few components, and is simple in structure and low in cost. Moreover, the automatic charger having the simple structure of the utility model has the functions of automatically adjusting a charging time and detecting the electric quantity of the battery, so that the charged battery is protected and is prevented from lack of charging or being over-charged, and the service life of the battery is prolonged effectively.
Description
Technical field
The utility model relates to a kind of battery charger, relates in particular to a kind of automatic charger of simple structure.
Background technology
The application of installation of non-maintaining storage battery power supply is very extensive, and the charger of adapted is a transformer pressure-reducing, single diode halfwave rectifier device, charging interval is difficult to grasp, and such rechargable battery tends to owing to the battery power shortage or overcharge cause shorter battery life.
Summary of the invention
The purpose of this utility model just is to provide in order to address the above problem a kind of automatic charger of simple structure.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises transformer, fuse, switch, the first light-emitting diode, the second light-emitting diode, the first electric capacity, the second electric capacity, the first diode, the second diode, the 3rd diode, voltage-stabiliser tube, potentiometer, the first resistance, the second resistance, relay, triode and optical coupler, the first end of described primary simultaneously with the first end of described relay normally open switch be connected the first end of switch and be connected, the second end of described primary simultaneously and the negative pole of described the first light-emitting diode be connected zero line with AC power and be connected, the second end while of described switch and the first end of described fuse, the second end of described relay normally open switch be connected the first end of the first electric capacity and connect, the second end of described the first electric capacity is connected with the positive pole of described the first light-emitting diode, the second end of described fuse is connected with the live wire of described AC power, the secondary terminal of described transformer leads to tap, the first end of described transformer secondary output is connected with the positive pole of described the first diode, the second end while of described transformer secondary output and the negative pole of described the second light-emitting diode, be recharged the negative pole of battery, the light-emitting component negative pole of described optical coupler, the light sensation transistor emitter of described optical coupler, the emitter of described triode be connected the first end of the second electric capacity and connect, the tap of described transformer is connected with the positive pole of described the second diode, the negative pole while of described the first diode and the first end of described the second resistance, the first end of described relay, the negative pole of described the 3rd diode be connected the second end of the second electric capacity and connect, the negative pole of described the second diode simultaneously with the first end of described the first resistance be connected the first end of potentiometer and be connected, the second end of described potentiometer is connected with the negative pole of described voltage-stabiliser tube, the second end of described the first resistance is connected with the positive pole of described the second light-emitting diode, the sliding end of described potentiometer is connected with the described positive pole that is recharged battery, the positive pole of described voltage-stabiliser tube is connected with the positive pole of described optical coupler light-emitting component, the collector electrode of described optical coupler light sensation triode simultaneously with the second end of described the second resistance be connected the base stage of triode and be connected, the collector electrode while of described triode and the second end of described relay be connected the positive pole of the 3rd diode and be connected.
The beneficial effects of the utility model are:
The utility model adopts element less; simple in structure, with low cost, and the utlity model has the automatic adjusting charging interval and detect the battery electric quantity function, thereby shield to being recharged battery; avoid the battery power shortage or overcharge, effectively prolong battery.
Description of drawings
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: comprise transformer T, fuse FU, switch S B, the first LED 1, the second LED 2, the first capacitor C 1, the second capacitor C 2, the first diode VD1, the second diode VD2, the 3rd diode VD3, voltage-stabiliser tube DW, potentiometer RP, the first resistance R 1, the second resistance R 2, relay K, triode VT and optical coupler IC, the elementary first end of transformer T is connected first end with the first end of relay K normal open switch K1-1 simultaneously and is connected with switch S B, elementary the second end of transformer T is connected zero line with the negative pole of the first LED 1 simultaneously and is connected with AC power, the second end while of switch S B and the first end of fuse FU, the second end of relay K normal open switch K1-1 be connected the first end of capacitor C 1 and connect, the second end of the first capacitor C 1 is connected with the positive pole of the first LED 1, the second end of fuse FU is connected with the live wire of AC power, the secondary terminal of transformer T leads to tap, the first end of T level of transformer is connected with the positive pole of the first diode VD1, the second end while of T level of transformer and the negative pole of the second LED 2, be recharged the negative pole of battery GB, the light-emitting component negative pole of optical coupler IC, the light sensation transistor emitter of optical coupler IC, the emitter of triode VT be connected the first end of capacitor C 2 and connect, the tap of transformer T is connected with the positive pole of the second diode VD2, the negative pole while of the first diode VD1 and the first end of the second resistance R 2, the first end of relay K, the negative pole of the 3rd diode VD3 be connected the second end of capacitor C 2 and connect, the negative pole of the second diode VD2 simultaneously and the first end of the first resistance R 1 be connected first end with potentiometer RP and be connected, the second end of potentiometer RP is connected with the negative pole of voltage-stabiliser tube DW, the second end of the first resistance R 1 is connected with the positive pole of the second LED 2, the sliding end of potentiometer RP is connected with the positive pole that is recharged battery GB, the positive pole of voltage-stabiliser tube DW is connected with the positive pole of optical coupler IC light-emitting component, the collector electrode of optical coupler IC light sensation triode simultaneously and the second end of the second resistance R 2 be connected base stage with triode VT and be connected, the collector electrode while of triode VT is connected with the second end of relay K and the positive pole of the 3rd diode VD3.
As shown in Figure 1: be recharged battery GB when flat only otherwise use, just with the utility model and power supply be recharged battery GB connection, click switch S B, the 220V electric main is added in the elementary of transformer T through fuse FU, switch S B.Its secondary output two-way alternating voltage: exchange 12V through the first diode VD1 halfwave rectifier, the second capacitor C 2 smothing filterings, make triode VT conducting, the relay K effect makes normal open switch K1-1 closed.Loosing one's grip this moment disconnects switch S B, and charger is still worked.Among the figure: the second resistance R 2 is biasing resistors of triode VT; The first capacitor C 1 is decompression capacitor, and the first LED 1 (red) is the mains supply indicator tube; After startup is finished, exchange 9V voltage and charge for being recharged battery GB through the second diode VD2 rectification.The second LED 2 (green) is the charging indicator tube.Carrying out along with charging process, the storage battery both end voltage constantly rises, when rising to limiting voltage value (about 7.5V), the conducting of voltage-stabiliser tube DW reverse breakdown, luminous, the photoelectric tube of light-emitting component is subjected to thereupon conducting behind the light in the optical coupler IC, and triode VT base stage is by drop-down and lose positive bias, so triode VT cut-off, the relay K dead electricity discharges to make opens wide K switch 1-1 disconnection, and charger stops charging, and charging indicator tube the second LED 2 extinguishes.
Claims (1)
1. the automatic charger of a simple structure, it is characterized in that: comprise transformer, fuse, switch, the first light-emitting diode, the second light-emitting diode, the first electric capacity, the second electric capacity, the first diode, the second diode, the 3rd diode, voltage-stabiliser tube, potentiometer, the first resistance, the second resistance, relay, triode and optical coupler, the first end of described primary simultaneously with the first end of described relay normally open switch be connected the first end of switch and be connected, the second end of described primary simultaneously and the negative pole of described the first light-emitting diode be connected zero line with AC power and be connected, the second end while of described switch and the first end of described fuse, the second end of described relay normally open switch be connected the first end of the first electric capacity and connect, the second end of described the first electric capacity is connected with the positive pole of described the first light-emitting diode, the second end of described fuse is connected with the live wire of described AC power, the secondary terminal of described transformer leads to tap, the first end of described transformer secondary output is connected with the positive pole of described the first diode, the second end while of described transformer secondary output and the negative pole of described the second light-emitting diode, be recharged the negative pole of battery, the light-emitting component negative pole of described optical coupler, the light sensation transistor emitter of described optical coupler, the emitter of described triode be connected the first end of the second electric capacity and connect, the tap of described transformer is connected with the positive pole of described the second diode, the negative pole while of described the first diode and the first end of described the second resistance, the first end of described relay, the negative pole of described the 3rd diode be connected the second end of the second electric capacity and connect, the negative pole of described the second diode simultaneously with the first end of described the first resistance be connected the first end of potentiometer and be connected, the second end of described potentiometer is connected with the negative pole of described voltage-stabiliser tube, the second end of described the first resistance is connected with the positive pole of described the second light-emitting diode, the sliding end of described potentiometer is connected with the described positive pole that is recharged battery, the positive pole of described voltage-stabiliser tube is connected with the positive pole of described optical coupler light-emitting component, the collector electrode of described optical coupler light sensation triode simultaneously with the second end of described the second resistance be connected the base stage of triode and be connected, the collector electrode while of described triode and the second end of described relay be connected the positive pole of the 3rd diode and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204787563U CN202957640U (en) | 2012-09-19 | 2012-09-19 | Automatic charger having simple structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204787563U CN202957640U (en) | 2012-09-19 | 2012-09-19 | Automatic charger having simple structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957640U true CN202957640U (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204787563U Expired - Fee Related CN202957640U (en) | 2012-09-19 | 2012-09-19 | Automatic charger having simple structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202957640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505702A (en) * | 2016-11-04 | 2017-03-15 | 广西大学 | Children electric tricycle automatically powers off charger |
| CN106655419A (en) * | 2016-10-20 | 2017-05-10 | 广西大学 | Safe charge circuit for emergency lamp battery |
-
2012
- 2012-09-19 CN CN2012204787563U patent/CN202957640U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655419A (en) * | 2016-10-20 | 2017-05-10 | 广西大学 | Safe charge circuit for emergency lamp battery |
| CN106505702A (en) * | 2016-11-04 | 2017-03-15 | 广西大学 | Children electric tricycle automatically powers off charger |
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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: 20130529 Termination date: 20130919 |