CN203491761U - Full turn-off safe and energy-saving mobile phone charger - Google Patents
Full turn-off safe and energy-saving mobile phone charger Download PDFInfo
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- CN203491761U CN203491761U CN201320520033.XU CN201320520033U CN203491761U CN 203491761 U CN203491761 U CN 203491761U CN 201320520033 U CN201320520033 U CN 201320520033U CN 203491761 U CN203491761 U CN 203491761U
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Abstract
The utility model discloses a full turn-off safe and energy-saving mobile phone charger. The full turn-off safe and energy-saving mobile phone charger includes a high voltage DC circuit, a low voltage DC circuit, a high-low voltage conversion and isolation circuit and a charging control circuit; a high voltage grounded terminal is connected in the high voltage DC circuit, a low voltage grounded terminal is connected in the low voltage DC circuit, and the high voltage DC circuit is connected with the low voltage DC circuit through the high-low voltage conversion and isolation circuit; the high voltage DC circuit is connected with alternating current with the voltage of 220 V through an input terminal of a capacitance filtering bridge type rectification circuit, and a start switch provided with a relay is disposed in the alternating current; and resistors, an audion and a relay J are in parallel in the low voltage DC circuit. The full turn-off safe and energy-saving mobile phone charger overcomes the defects in the prior art and has a reasonable circuit design. The charging control circuit can detect that a battery is fully charged through R4 and output a fully charged indication signal, a Q2 base electrode obtains a bias voltage and is conducted to make a Q1 base electrode to loss the bias voltage to be cut off, a relay is powered off, JK2 is turned off, a whole circuit is powered off, and energy is saved and the service life of the battery is extended.
Description
Technical field
The utility model relates to charger circuit technical field, specifically belongs to the disconnected safe energy-saving mobile charger of complete shut-down.
Background technology
Conventional charger operation principle: 220V alternating current becomes high pressure runner by rectifying and wave-filtering, through high-low pressure conversion buffer circuit, become low-voltage direct, it under the control of charging control circuit, is charging mobile phone battery, after battery being detected and being full of, export an index signal, light indicator light, charging process finishes.Prior art may cause battery overshoot, and after charging finishes, itself works charging always, causes waste of energy.Charger is switched on for a long time, has increased the failure rate of AC charger, reduces charger useful life.
Utility model content
The purpose of this utility model has been to provide the disconnected safe energy-saving mobile charger of complete shut-down, the deficiencies in the prior art have been overcome, circuit design is rationally distributed, when charging control circuit detects battery by R4, is full of, and circuit output is full of index signal (positive voltage), Q2 base stage obtains bias voltage and conducting, Q2 conducting makes Q1 base stage lose bias voltage and end, relay power-off, and JK2 disconnects, whole down circuitry, energy-conservation extending battery life.
The technical solution adopted in the utility model is as follows:
The complete shut-down safe energy-saving mobile charger that breaks, comprise hvdc circuit, low-voltage dc circuit, high-low pressure conversion buffer circuit and charging control circuit, on hvdc circuit, be connected with high-voltage earthing, on low-voltage dc circuit, be connected with low-voltage ground, described hvdc circuit is changed buffer circuit with low-voltage dc circuit by high-low pressure and is connected, high voltage direct current route capacitor filtering bridge rectifier input connects 220V alternating current, 220V alternating current is provided with starting switch, on starting switch and be connected to relay switch JK2; On described low-voltage dc circuit, be parallel with resistance (R1 and R2), triode (Q1 and Q2) and relay J,
Charger place in circuit, K1, JK2 is in off-state, so do not work, when pressing starting switch K1, circuit is connected, charger is started working, control circuit detects battery by R4 and is not full of, be full of indication non-output signal (no-voltage), so Q2 base stage no-bias is cut-off state, Q1 passes through R1, the bias voltage that R2 provides and conducting, relay J obtains electric work adhesive, JK2 connects, the K1 disconnection of loosing one's grip, circuit self-locking, charging is carried out, when detecting battery by R4, charging control circuit is full of, circuit output is full of index signal (positive voltage), Q2 base stage obtains bias voltage and conducting, Q2 conducting makes Q1 base stage lose bias voltage and end, relay power-off, JK2 disconnects, whole down circuitry.
Described triode comprises triode Q1 and triode Q2, after connecting with relay J, triode Q1 is parallel to low-voltage dc circuit, after connecting with resistance R 2, triode Q2 is parallel to low-voltage dc circuit, series resistance R2 between triode Q1 base end and triode Q2 current collection end.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model is after battery is full of, charging control circuit detects battery by R4 and is full of, circuit output is full of index signal (positive voltage), Q2 base stage obtains bias voltage and conducting, and Q2 conducting makes Q1 base stage lose bias voltage and end, relay power-off, JK2 disconnects, whole down circuitry, reduces the circuit working time, energy-conservation extending battery life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, the complete shut-down safe energy-saving mobile charger that breaks, comprise hvdc circuit, low-voltage dc circuit, high-low pressure conversion buffer circuit and charging control circuit, on hvdc circuit, be connected with high-voltage earthing, on low-voltage dc circuit, be connected with low-voltage ground, described hvdc circuit is changed buffer circuit with low-voltage dc circuit by high-low pressure and is connected, high voltage direct current route capacitor filtering bridge rectifier input connects 220V alternating current, 220V alternating current is provided with starting switch, and starting switch is provided with relay J K2; On described low-voltage dc circuit, be parallel with resistance, triode and relay J, triode comprises triode Q1 and triode Q2, after connecting with relay J, triode Q1 is parallel to low-voltage dc circuit, after connecting with resistance R 2, triode Q2 is parallel to low-voltage dc circuit, series resistance R2 between triode Q1 base end and triode Q2 current collection end.Charger place in circuit, K1, JK2 is in off-state, so do not work, when pressing starting switch K1, circuit is connected, charger is started working, and control circuit circuit detects battery by R4 and is not full of, and is full of indication non-output signal (no-voltage), so Q2 base stage no-bias is cut-off state, Q1 is by R1, the bias voltage that R2 provides and conducting, relay J obtains electric work adhesive, and JK2 connects, the K1 disconnection of loosing one's grip, circuit self-locking, charging is carried out.When charging control circuit detects battery by R4, be full of, circuit output is full of index signal (positive voltage), and Q2 base stage obtains bias voltage and conducting, and Q2 conducting makes Q1 base stage lose bias voltage and end, relay power-off, and JK2 disconnects, whole down circuitry.
Claims (2)
1. the disconnected safe energy-saving mobile charger of complete shut-down, comprise hvdc circuit, low-voltage dc circuit, high-low pressure conversion buffer circuit and charging control circuit, on hvdc circuit, be connected with high-voltage earthing, on low-voltage dc circuit, be connected with low-voltage ground, it is characterized in that: described hvdc circuit is changed buffer circuit with low-voltage dc circuit by high-low pressure and is connected, high voltage direct current route capacitor filtering bridge rectifier input connects 220V alternating current, 220V alternating current is provided with starting switch, and starting switch is provided with relay J K2; On described low-voltage dc circuit, be parallel with resistance R 1 and R2, triode Q1 and Q2 and relay J,
Charger place in circuit, K1, JK2 is in off-state, so do not work, when pressing starting switch K1, circuit is connected, charger is started working, control circuit detects battery and is not full of, be full of indication non-output signal, so Q2 base stage no-bias is cut-off state, Q1 passes through R1, the bias voltage that R2 provides and conducting, relay J obtains electric work adhesive, JK2 connects, the K1 disconnection of loosing one's grip, circuit self-locking, charging is carried out, after battery is full of, charging control circuit detects battery by R4 and is full of, circuit output is full of index signal, Q2 base stage obtains bias voltage and conducting, Q2 conducting makes Q1 base stage lose bias voltage and end, relay power-off, JK2 disconnects, whole down circuitry.
2. the disconnected safe energy-saving mobile charger of complete shut-down according to claim 1, it is characterized in that: described triode comprises triode Q1 and triode Q2, after connecting with relay J, triode Q1 is parallel to low-voltage dc circuit, after connecting with resistance R 2, triode Q2 is parallel to low-voltage dc circuit, series resistance R2 between triode Q1 base end and triode Q2 current collection end, starting switch K1, is connected in series the ac circuit into 220v after relay normally open contact switch JK2 parallel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520033.XU CN203491761U (en) | 2013-08-23 | 2013-08-23 | Full turn-off safe and energy-saving mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520033.XU CN203491761U (en) | 2013-08-23 | 2013-08-23 | Full turn-off safe and energy-saving mobile phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491761U true CN203491761U (en) | 2014-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520033.XU Expired - Fee Related CN203491761U (en) | 2013-08-23 | 2013-08-23 | Full turn-off safe and energy-saving mobile phone charger |
Country Status (1)
| Country | Link |
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| CN (1) | CN203491761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490361A (en) * | 2016-01-12 | 2016-04-13 | 上海应用技术学院 | Intelligent charger with universal serial bus (USB) interface |
| CN105553056A (en) * | 2015-12-21 | 2016-05-04 | 上海应用技术学院 | Intelligent charger for cell phones |
| CN106159537A (en) * | 2016-08-15 | 2016-11-23 | 深圳市湖渊电气技术有限公司 | A kind of mobile phone safe charger |
-
2013
- 2013-08-23 CN CN201320520033.XU patent/CN203491761U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553056A (en) * | 2015-12-21 | 2016-05-04 | 上海应用技术学院 | Intelligent charger for cell phones |
| CN105490361A (en) * | 2016-01-12 | 2016-04-13 | 上海应用技术学院 | Intelligent charger with universal serial bus (USB) interface |
| CN106159537A (en) * | 2016-08-15 | 2016-11-23 | 深圳市湖渊电气技术有限公司 | A kind of mobile phone safe charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20180823 |
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| CF01 | Termination of patent right due to non-payment of annual fee |