CN205584468U - Automatic power saving device of wireless headset - Google Patents
Automatic power saving device of wireless headset Download PDFInfo
- Publication number
- CN205584468U CN205584468U CN201620055684.XU CN201620055684U CN205584468U CN 205584468 U CN205584468 U CN 205584468U CN 201620055684 U CN201620055684 U CN 201620055684U CN 205584468 U CN205584468 U CN 205584468U
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- outfan
- latch
- enumerator
- door
- feet
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- 239000013256 coordination polymer Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to an automatic power saving device of wireless headset belongs to the automatic control engineering field. The utility model discloses install on wireless headset, which comprises a control circuit. Pressure sensors output control signal among the control circuit gives the latch, and pressure sensor's output signal manages T1's operating condition through the output signal simultaneous control NPN of not gate V1 upset back and latch to control 74LS161 counter and 555 multi resonant oscillation circuit's the power supply condition, 74LS161 counter and pressure sensors output control signal give the latch, and the output signal of latch controls switching on or ending of PNP pipe VT1 and VT2 after the upset of not gate V2 to control the power supply of wireless headset. The utility model discloses a solve people and make to use up and fail in time to turn -off the power behind the wireless headset and result in the extravagant circumstances of power consumption, can carry out real -time supervision to wireless headset, in time automatically turn -off the power supply of wireless headset.
Description
Technical field
This utility model relates to the automatic electricity-saving device of a kind of earphone-microphone, belongs to automatic control technology field.
Background technology
At present, earphone-microphone is widely used, and major part uses battery to power, and people forget that the situation cutting off its power supply often occurs after making to be finished earphone-microphone, and this not only causes electricity consumption to waste, and earphone-microphone is chronically at power supply state, and earphone-microphone can be made to damage.
Summary of the invention
The technical problems to be solved in the utility model is: this utility model provides the automatic electricity-saving device of a kind of earphone-microphone, by installing control circuit on earphone-microphone, monitors earphone-microphone in real time；The problem solving to fail to turn off its power supply in time after people make to be finished earphone-microphone and cause electricity consumption waste or earphone-microphone to damage, it is possible to turn off the power supply of earphone-microphone timely automatedly.
Technical solutions of the utility model are: the automatic electricity-saving device of a kind of earphone-microphone, and this device is arranged on earphone-microphone 5, and including a control circuit, control circuit includes pressure transducer 1,74LS161 enumerator 2, latch 3,555 multi-resonant oscillating circuit 4.
The outfan of described pressure transducer 1 is connected with the set end S of latch 3, the outfan Q ' of latch 3 is connected to the input with door N3, the outfan of pressure transducer 1 is connected to another input with door N3 after not gate V1 overturns, with the base stage that the outfan of door N3 is connected to NPN pipe T1 by resistance R2, the colelctor electrode of NPN pipe T1 is connected by one end of resistance R1 and hand switch K1, and the emitter stage of NPN pipe T1 and the power end VCC of 74LS161 enumerator 2 connect；
nullThe EP of described 74LS161 enumerator 2、ED end is connected with the power end VCC of 74LS161 enumerator 2，The D3 of 74LS161 enumerator 2、D2、D1、D0 end is connected with battery cathode，The outfan Q3 of 74LS161 enumerator 2、Q2 is connected to two inputs with door N1，It is connected to an input with door N2 with the outfan of door N1，It is connected with the outfan Q0 of 74LS161 enumerator 2 with another input of door N2，It is connected with the reset terminal R of latch 3 with the outfan of door N2，The outfan Q ' of latch 3 is connected to the input of not gate V2，The outfan of not gate V2 is connected with the base stage of PNP pipe VT2 by resistance R3，The emitter stage of PNP pipe VT2 is connected with the base stage of PNP pipe VT1，The emitter stage of PNP pipe VT1 is operated with manual switches K1 and is connected with anode，The colelctor electrode of PNP pipe VT1 and VT2 is connected to earphone-microphone 5；
4 feet of described 555 multi-resonant oscillating circuits 4 are connected by resistance R4 and 7 feet, after 4 feet and 8 foot parallel connections, the emitter stage with NPN pipe T1 is connected, 7 feet are connected by the negative electrode of resistance R5 and diode D2, the anode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D1 and 7 feet of 555 multi-resonant oscillating circuits 4 connect, connected by electric capacity C1 and 1 foot after 2 feet of 555 multi-resonant oscillating circuits 4 and 6 foot parallel connections, 5 feet are connected by electric capacity C2 and 1 foot, 1 foot is connected with the negative pole of battery, and 3 foot outfans are connected with the CP pulse input end of 74LS161 enumerator 2.
Operation principle of the present utility model is:
Described pressure transducer 1 exports control signal to latch 3, the output signal of pressure transducer 1 controls the duty of NPN pipe T1 after not gate V1 overturns with the output signal of latch 3 simultaneously, thus controls the electric power thus supplied of 74LS161 enumerator 2 and 555 multi-resonant oscillating circuit 4；74LS161 enumerator 2 and pressure transducer 1 export control signal and control PNP pipe VT1 and the on or off of VT2 after not gate V2 upset to latch 3, the output signal of latch 3, thus control the power supply of earphone-microphone 5.
Earphone-microphone when connecting hand switch K1 on band, pressure transducer 1 exports high level signal to the set end S of latch 3, the reset terminal R of latch 3 receives low level signal, its outfan Q ' output high level signal is low level signal by not gate V2 upset, now, PNP pipe VT1, VT2 turn on, and earphone-microphone 5 obtains electric work；Simultaneously, the high level signal of pressure transducer 1 output is low level signal by not gate V1 upset, the high level signal of the low level signal of not gate V1 output and Q ' the end output of latch 3 is through being converted to low level signal with door N3, now, NPN pipe T1 ends, 74LS161 enumerator 2 and 555 multi-resonant oscillating circuit 4 not electric do not work；
Not in use by earphone-microphone and when not disconnecting switch K1, pressure transducer 1 output low level signal, the outfan Q ' of latch 3 keeps Last status, and now, earphone-microphone 5 normally works；The low level signal of pressure transducer 1 output is converted to high level signal by not gate V1, the high level signal that the high level signal of not gate V1 output and the Q ' of latch 3 export is through being converted to high level signal with door N3, now, NPN pipe T1 turns on, and 74LS161 enumerator 2 and 555 multi-resonant oscillating circuit 4 obtains electric work；
The outfan 3 foot output pulse of 555 multi-resonant oscillating circuits 4 is to the CP end of 74LS161 enumerator 2, now 74LS161 enumerator 2 starts counting up, when its outfan Q3, Q2, Q0 are high level, with door N2 output high level signal to the reset terminal R of latch 3, outfan Q ' the output low level signal of latch 3 is high level signal by not gate V2 upset, now, PNP pipe VT1, VT2 end, and earphone-microphone 5 power-off does not works；The low level signal of pressure transducer 1 output is high level signal by not gate V1 upset, the low level signal that the high level signal of not gate V1 output and the Q ' of latch 3 export is through being converted to low level signal with door N3, now, NPN pipe T1 ends, and 74LS161 enumerator 2 and 555 multi-resonant oscillating circuit 4 power-off does not works.
The beneficial effects of the utility model: by the control to earphone-microphone power supply, when earphone-microphone makes be finished and be not turned off power supply, the power supply of earphone-microphone can be automatically shut down, solve the situation of electricity consumption waste, turn avoid the problem causing headset to damage because of life-time service earphone-microphone simultaneously, extend the service life of earphone-microphone.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Each label in Fig. 1: 1-pressure transducer, 2-74LS161 enumerator, 3-latch, 4-555 multi-resonant oscillating circuit, 5-earphone-microphone, K1-hand switch, T1-NPN manages, and VT1 ~ VT2-PNP manages, C1 ~ C2-electric capacity, R1 ~ R5-resistance, D1 ~ D2-diode.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1: as it is shown in figure 1, the automatic electricity-saving device of a kind of earphone-microphone, this device is arranged on earphone-microphone 5, including a control circuit, control circuit includes pressure transducer 1,74LS161 enumerator 2, latch 3,555 multi-resonant oscillating circuit 4.
Embodiment 2: as it is shown in figure 1, the automatic electricity-saving device of a kind of earphone-microphone, this device is arranged on earphone-microphone 5, including a control circuit, control circuit includes pressure transducer 1,74LS161 enumerator 2, latch 3,555 multi-resonant oscillating circuit 4.
The outfan of described pressure transducer 1 is connected with the set end S of latch 3, the outfan Q ' of latch 3 is connected to the input with door N3, the outfan of pressure transducer 1 is connected to another input with door N3 after not gate V1 overturns, with the base stage that the outfan of door N3 is connected to NPN pipe T1 by resistance R2, the colelctor electrode of NPN pipe T1 is connected by one end of resistance R1 and hand switch K1, and the emitter stage of NPN pipe T1 and the power end VCC of 74LS161 enumerator 2 connect；
nullThe EP of described 74LS161 enumerator 2、ED end is connected with the power end VCC of 74LS161 enumerator 2，The D3 of 74LS161 enumerator 2、D2、D1、D0 end is connected with battery cathode，The outfan Q3 of 74LS161 enumerator 2、Q2 is connected to two inputs with door N1，It is connected to an input with door N2 with the outfan of door N1，It is connected with the outfan Q0 of 74LS161 enumerator 2 with another input of door N2，It is connected with the reset terminal R of latch 3 with the outfan of door N2，The outfan Q ' of latch 3 is connected to the input of not gate V2，The outfan of not gate V2 is connected with the base stage of PNP pipe VT2 by resistance R3，The emitter stage of PNP pipe VT2 is connected with the base stage of PNP pipe VT1，The emitter stage of PNP pipe VT1 is operated with manual switches K1 and is connected with anode，The colelctor electrode of PNP pipe VT1 and VT2 is connected to earphone-microphone 5；
4 feet of described 555 multi-resonant oscillating circuits 4 are connected by resistance R4 and 7 feet, after 4 feet and 8 foot parallel connections, the emitter stage with NPN pipe T1 is connected, 7 feet are connected by the negative electrode of resistance R5 and diode D2, the anode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D1 and 7 feet of 555 multi-resonant oscillating circuits 4 connect, connected by electric capacity C1 and 1 foot after 2 feet of 555 multi-resonant oscillating circuits 4 and 6 foot parallel connections, 5 feet are connected by electric capacity C2 and 1 foot, 1 foot is connected with the negative pole of battery, and 3 foot outfans are connected with the CP pulse input end of 74LS161 enumerator 2.
Above in conjunction with accompanying drawing, specific embodiment of the utility model is explained in detail, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible on the premise of without departing from this utility model objective, various changes can be made.
Claims (1)
1. the automatic electricity-saving device of an earphone-microphone, it is characterized in that: this device is arranged on earphone-microphone (5), including a control circuit, control circuit includes pressure transducer (1), 74LS161 enumerator (2), latch (3), 555 multi-resonant oscillating circuits (4)；
The outfan of described pressure transducer (1) is connected with the set end S of latch (3), the outfan Q ' of latch (3) is connected to the input with door N3, the outfan of pressure transducer (1) is connected to another input with door N3 after not gate V1 overturns, with the base stage that the outfan of door N3 is connected to NPN pipe T1 by resistance R2, the colelctor electrode of NPN pipe T1 is connected by one end of resistance R1 and hand switch K1, and the emitter stage of NPN pipe T1 and the power end VCC of 74LS161 enumerator (2) connect；
nullThe EP of described 74LS161 enumerator (2)、ED end is connected with the power end VCC of 74LS161 enumerator (2)，The D3 of 74LS161 enumerator (2)、D2、D1、D0 end is connected with battery cathode，The outfan Q3 of 74LS161 enumerator (2)、Q2 is connected to two inputs with door N1，It is connected to an input with door N2 with the outfan of door N1，It is connected with the outfan Q0 of 74LS161 enumerator (2) with another input of door N2，It is connected with the reset terminal R of latch (3) with the outfan of door N2，The outfan Q ' of latch (3) is connected to the input of not gate V2，The outfan of not gate V2 is connected with the base stage of PNP pipe VT2 by resistance R3，The emitter stage of PNP pipe VT2 is connected with the base stage of PNP pipe VT1，The emitter stage of PNP pipe VT1 is operated with manual switches K1 and is connected with anode，The colelctor electrode of PNP pipe VT1 and VT2 is connected to earphone-microphone (5)；
4 feet of described 555 multi-resonant oscillating circuits (4) are connected by resistance R4 and 7 feet, after 4 feet and 8 foot parallel connections, the emitter stage with NPN pipe T1 is connected, 7 feet are connected by the negative electrode of resistance R5 and diode D2, the anode of diode D2 is connected with the negative electrode of diode D1, the anode of diode D1 and 7 feet of 555 multi-resonant oscillating circuits (4) connect, connected by electric capacity C1 and 1 foot after 2 feet of 555 multi-resonant oscillating circuits (4) and 6 foot parallel connections, 5 feet are connected by electric capacity C2 and 1 foot, 1 foot is connected with the negative pole of battery, 3 foot outfans are connected with the CP pulse input end of 74LS161 enumerator (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055684.XU CN205584468U (en) | 2016-01-21 | 2016-01-21 | Automatic power saving device of wireless headset |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055684.XU CN205584468U (en) | 2016-01-21 | 2016-01-21 | Automatic power saving device of wireless headset |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205584468U true CN205584468U (en) | 2016-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055684.XU Expired - Fee Related CN205584468U (en) | 2016-01-21 | 2016-01-21 | Automatic power saving device of wireless headset |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205584468U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819365A (en) * | 2018-12-20 | 2019-05-28 | 歌尔股份有限公司 | Wireless headset closedown method, wireless headset and electric terminal |
| WO2022227423A1 (en) * | 2021-04-25 | 2022-11-03 | 杭州涂鸦信息技术有限公司 | Low-power-consumption control system and method, and computer device and readable storage medium |
-
2016
- 2016-01-21 CN CN201620055684.XU patent/CN205584468U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109819365A (en) * | 2018-12-20 | 2019-05-28 | 歌尔股份有限公司 | Wireless headset closedown method, wireless headset and electric terminal |
| CN109819365B (en) * | 2018-12-20 | 2020-05-15 | 歌尔股份有限公司 | Wireless earphone shutdown method, wireless earphone and electronic terminal |
| WO2022227423A1 (en) * | 2021-04-25 | 2022-11-03 | 杭州涂鸦信息技术有限公司 | Low-power-consumption control system and method, and computer device and readable storage medium |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20180121 |