CN202749883U - Charger with alarm function - Google Patents
Charger with alarm function Download PDFInfo
- Publication number
- CN202749883U CN202749883U CN2012204253513U CN201220425351U CN202749883U CN 202749883 U CN202749883 U CN 202749883U CN 2012204253513 U CN2012204253513 U CN 2012204253513U CN 201220425351 U CN201220425351 U CN 201220425351U CN 202749883 U CN202749883 U CN 202749883U
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Abstract
A charger with an alarm function relates to charging equipment. A plug of one end of a U circuit of the charger can be connected on a 220V power supply socket, an output end of the U circuit of the charger can be connected on a charging battery, positive end voltage of the charger is connected with an anode of the charging battery through a cathode of a diode D1, a resistor R1 is connected with the diode D1 in parallel, an anode of the diode D1 is connected with a triode Q1 through a resistor R2, a base electrode of the triode Q1 is connected with the diode D2, a collector electrode of the triode Q1 is connected with a collector electrode of a triode Q2 after being subjected to voltage dividing by a resistor R3 and a resistor R4, a base electrode of the triode Q2 is connected with a resistor R5 and a capacitor C2 through a diode D3, a collector electrode of the triode Q2 is connected with a triode Q3 through a resistor R7, a collector electrode of the triode Q3 is connected with the ground, a base electrode of the triode Q3 is connected with a triode Q4, a base electrode of the triode Q4 is connected with a resistor R9, the resistor R9 is connected with a photoconductive resistor RT1, the photoconductive resistor RT1 is connected with a positive end of a power supply, and a buzzer Y1 is connected in series between the triode Q4 and the photoconductive resistor RT1. The charger is simple in structure and novel in circuit design, people can be warned to take out a fully charged charger timely, and energy can be saved.
Description
Technical field
The utility model relates to the charging device technical field, is specifically related to a kind of charger with warning function.
Background technology
Along with the people's living standard and improving constantly of quality of life, in special today of paying attention to the information age, mobile phone has become people's communicate information, and interchange and some other function are used an indispensable part, and the use amount of mobile phone increases increasingly.The cellie knows mostly, when cell-phone charging, as at night or idle when charging there, after cell-phone charging is finished, if discovery is also in time with its deenergization, mobile phone still is in the charging operating state, will bring like this 2 deficiencies: one, when the battery of mobile phone that is full of electric weight still charges, can shorten the useful life of battery of mobile phone for a long time; They are two years old, will waste a part of electric energy, for example, if mobile phone one week charging secondary, do not finish in the situation that know the battery charging, still work and calculated by 3 hours, power consumption 0.002 is spent weekly, in 1 year 52 week, 1 year is all with power consumption 0.002 degree X52: 0.104 degree, by 0.65 yuan of calculating of every degree, the economy that power consumption in a year is used is 0.104 degree X0.65 unit=0.0676 yuan, can like this to a mobile phone, what concerning one family, seems not, if carefully calculate, we calculate by having 100,000,000 mobile phones in the whole nation, the whole nation is 0.002 X100000000 section of degree X52 week X0.65 unit=6760000 yuan consuming virtually economy so, in other words, and our power consumption invisible in 1 year 10400000 degree electric energy, the calculating that this just guards, brought pressure for so virtually country aspect electricity consumption, existing charger for mobile phone is bringing the huge wasting of resources for virtually our country and individual, and the energy saving society with us is very incongruent like this.
The utility model content
Technical problem to be solved in the utility model be to improve a kind of can be after charging be finished can auto-alarm function charger.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of charger with warning function, end plug on the U circuit of described charger can be connected in the 220V supply socket, the output of charger U circuit is connected on the band rechargable battery, the negative pole of the positive terminal voltage of described charger by diode D1 is connected to the positive pole with rechargable battery, and the positive pole that is parallel with resistance R 1 diode D1 on the diode D1 is connected to triode Q1 by resistance R 2, the base stage of described triode Q1 connects diode D2, the collector electrode of described triode Q1 is defeated through resistance R 3, be connected to the collector electrode of triode Q2 after resistance R 4 dividing potential drops, the base stage of described triode Q2 is connected to resistance R 5 and capacitor C 2 through diode D3, described triode Q2 collector electrode is connected to triode Q3 through resistance R 7, the grounded collector of described triode Q3, the base stage of described triode Q3 is connected to triode Q4, the base stage contact resistance R9 of described triode Q4, resistance R 9 connects photo resistance RT1, photo resistance RT1 is connected to power positive end, is in series with buzzer Y1 between described triode Q4 and the photo resistance RT1.
A resistance R 8 in parallel between described photo resistance RT1 and the resistance R 9, described resistance R 8 one end ground connection.
The beneficial effects of the utility model are: the utility model is simple in structure, circuit design is novel, can remind people in time to pull out and be full of electric charger, has saved the energy, and adopt photo resistance to control the sounding of buzzer, so that buzzer can not waken up after people's sleep at night.
Description of drawings
Fig. 1 is the utility model circuit theory diagrams.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, choose the charger that output voltage is 5-20V, at first the plug on the U circuit of charger is inserted in the 220V supply socket, the output of charger U circuit is connected on the band rechargable battery, this moment, charger was as being the 5V charger, the negative pole of the anode 5V voltage of charger by diode D1 is connected to the positive pole with rechargable battery, and be parallel with resistance R 1 on the diode D1, produce the approximately pressure drop of 0.7V this moment at the two ends of diode D1, therefore, make the base voltage of triode Q1 be lower than emitter voltage, triode Q1 conducting, collector electrode output high level, give simultaneously capacitor C 1 charging, simultaneously through resistance R 3, be connected to the collector electrode of triode Q2 after the R4 dividing potential drop, in charger U circuit working, output+5V voltage through resistance R 5 to capacitor C 2 charging, in the time of capacitor C 2 charging, make triode Q2 conducting, collector electrode carries high level to make triode Q3 conducting, triode Q4 cut-off, make not sounding of buzzer Y1, the base stage contact resistance R9 of triode Q4, resistance R 9 connects photo resistance RT1, and photo resistance RT1 is connected to power supply 5V anode.When light is strong, photo resistance RT1 resistance diminishes, to the ground dividing potential drop, high level is provided for triode Q4 base stage through resistance R 9 again, along with capacitor C 2 electricity are full of very soon through resistance R 8, the base voltage of triode Q2 is higher than emitter voltage, triode Q2 cut-off, but this moment is because the conducting of triode Q1 makes triode Q3 keep conducting, triode Q4 remain off, buzzer Y1 is sounding not; After institute's rechargable battery is full of electricity, the pressure drop of diode D1 two ends reduces, and makes triode Q1 base voltage near emitter voltage, triode Q1 cut-off, triode Q3 cut-off, the light that receives on the photo resistance this moment RT1 is very strong, the resistance of photo resistance RT1 is very little, and the voltage of carrying after resistance R 8 dividing potential drops makes triode Q4 conducting through resistance R 9, and buzzer Y1 gets the electric chimes of doom that sends, the expression battery has been full of electricity, please take off battery, charger be taken off from the 220V power supply, with electrical energy saving.Photo resistance RT1 resistance when light is dark becomes large, can not make triode Q4 conducting, and when therefore light is dark at night such as after battery is full of electricity, buzzer Y1 can not sound.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. with the charger of warning function, it is characterized in that: the end plug on the U circuit of charger can be connected in the 220V supply socket, the output of charger U circuit is connected on the band rechargable battery, the negative pole of the positive terminal voltage of described charger by the first diode (D1) is connected to the positive pole with rechargable battery, and be parallel with the first resistance (R1) on the first diode (D1), the positive pole of described the first diode (D1) is connected to the first triode (Q1) by the second resistance (R2), the base stage of described the first triode (Q1) connects the second diode (D2), the collector electrode of described the first triode (Q1) is defeated through the 3rd resistance (R3), be connected to the collector electrode of the second triode (Q2) after the 4th resistance (R4) dividing potential drop, the base stage of described the second triode (Q2) is connected to the 5th resistance (R5) and the second electric capacity (C2) through the 3rd diode (D3), described the second triode (Q2) collector electrode is connected to the 3rd triode (Q3) through the 7th resistance (R7), the grounded collector of described the 3rd triode (Q3), the base stage of described the 3rd triode (Q3) is connected to the 4th triode (Q4), the base stage of described the 4th triode (Q4) connects the 9th resistance (R9), the 9th resistance (R9) connects photo resistance (RT1), photo resistance (RT1) is connected to power positive end, is in series with buzzer (Y1) between described the 4th triode (Q4) and the photo resistance (RT1).
2. the charger with warning function according to claim 1 is characterized in that: one the 8th resistance (R8) in parallel between described photo resistance (RT1) and the 9th resistance (R9), described the 8th resistance (R8) end ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204253513U CN202749883U (en) | 2012-08-24 | 2012-08-24 | Charger with alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204253513U CN202749883U (en) | 2012-08-24 | 2012-08-24 | Charger with alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749883U true CN202749883U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204253513U Expired - Fee Related CN202749883U (en) | 2012-08-24 | 2012-08-24 | Charger with alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749883U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069672A (en) * | 2017-04-06 | 2017-08-18 | 六安市同心畅能电子科技有限公司 | A kind of battery overload short circuit automatic power-off protection circuit |
| CN107842884A (en) * | 2017-12-07 | 2018-03-27 | 成都前锋电子有限责任公司 | It is a kind of can external power charging household gas utensils power-supply system and household gas utensils |
| CN108879883A (en) * | 2018-08-14 | 2018-11-23 | 合肥斯姆雷品牌管理有限公司 | A kind of fully charged mobile phone USB charging cable circuit automatically powered off |
| CN109149285A (en) * | 2018-08-14 | 2019-01-04 | 合肥斯姆雷品牌管理有限公司 | A kind of mobile phone charging wire with automatic circuit break function |
| CN112289291A (en) * | 2020-10-10 | 2021-01-29 | 华帝股份有限公司 | Buzzer device and control method thereof |
-
2012
- 2012-08-24 CN CN2012204253513U patent/CN202749883U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107069672A (en) * | 2017-04-06 | 2017-08-18 | 六安市同心畅能电子科技有限公司 | A kind of battery overload short circuit automatic power-off protection circuit |
| CN107069672B (en) * | 2017-04-06 | 2019-03-15 | 六安市同心畅能电子科技有限公司 | A kind of battery overload short circuit automatic power-off protection circuit |
| CN107842884A (en) * | 2017-12-07 | 2018-03-27 | 成都前锋电子有限责任公司 | It is a kind of can external power charging household gas utensils power-supply system and household gas utensils |
| CN108879883A (en) * | 2018-08-14 | 2018-11-23 | 合肥斯姆雷品牌管理有限公司 | A kind of fully charged mobile phone USB charging cable circuit automatically powered off |
| CN109149285A (en) * | 2018-08-14 | 2019-01-04 | 合肥斯姆雷品牌管理有限公司 | A kind of mobile phone charging wire with automatic circuit break function |
| CN112289291A (en) * | 2020-10-10 | 2021-01-29 | 华帝股份有限公司 | Buzzer device and control method thereof |
| CN112289291B (en) * | 2020-10-10 | 2024-05-31 | 华帝股份有限公司 | Buzzer device and control method thereof |
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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: 20130220 Termination date: 20130824 |