CN205004780U - Battery reminiscences that charges - Google Patents
Battery reminiscences that charges Download PDFInfo
- Publication number
- CN205004780U CN205004780U CN201520677820.4U CN201520677820U CN205004780U CN 205004780 U CN205004780 U CN 205004780U CN 201520677820 U CN201520677820 U CN 201520677820U CN 205004780 U CN205004780 U CN 205004780U
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- CN
- China
- Prior art keywords
- nand gate
- battery
- triode
- negative pole
- electric capacity
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a battery reminiscences that charges, its characterized in that: by NAND gate A3, NAND gate A4, electric capacity C1, resistance R6, electric capacity C3, alarm B, bleeder circuit, switch circuit to and low frequency oscillation circuit constitutes, the utility model discloses can send alarm signal under the circumstances of battery short of electricity, remind people in time to charge to the battery, avoid battery continuation work and influence its life under the overdischarge state.
Description
Technical field
The utility model relates to a kind of reminiscences, specifically refers to a kind of battery charge reminder device.
Background technology
Now, various portable electronic products has goed deep into the life of people, becomes the important tool of people's amusement, study and work.The function of current portable electronic products gets more and more, but power consumption is also increasing, especially plays games at use equipment, power consumption is very big when seeing video; More have some electronic products to change battery, it is very inconvenient to use.For this problem, portable power source arises at the historic moment, and people can be charged to portable electronic products whenever and wherever possible.
Existing portable power source reserve of electricity is large, easy to carry, but the situation forgotten charging and cause portable power source to use happens occasionally, and this just affects the normal use of people to electronic product.Therefore, providing a kind of can remind people in time to the device that it charges when portable power source electric power is not enough, then can solve the problem.
Utility model content
The purpose of this utility model is to overcome the defect that existing battery does not possess charge reminder function, provides a kind of battery charge reminder device.
The purpose of this utility model is achieved through the following technical solutions: a kind of battery charge reminder device, by NAND gate A3, and NAND gate A4, electric capacity C1, resistance R6, electric capacity C3, alarm B, bleeder circuit, switching circuit, and low-frequency oscillatory network composition.
Further, the positive pole of described electric capacity C3 is connected with the output of NAND gate A4 after resistance R6, its negative pole is then connected with switching circuit, alarm B is then in parallel with electric capacity C3, the negative pole of electric capacity C1 is connected with switching circuit, its positive pole is then connected with the negative pole of NAND gate A3, the positive pole of described NAND gate A3 is all connected with low-frequency oscillatory network with its negative pole, its output then simultaneously the positive pole of NAND gate A4 be connected with negative pole; Described bleeder circuit is connected with battery, and switching circuit is then serially connected with between bleeder circuit and low-frequency oscillatory network.
Described bleeder circuit comprises resistance R1, potentiometer R2 and resistance R3; One end of described resistance R3 is connected with low-frequency oscillatory network, its other end is then connected with the positive pole of battery, one end of resistance R1 is connected with the positive pole of battery, its other end is then connected with the negative pole of electric capacity C3 and the negative pole of battery after potentiometer R2 simultaneously, and the control end of described potentiometer R2 is then connected with switching circuit.
Described switching circuit is by triode VT1, triode VT2, the diode D1 that P pole is connected with the control end of potentiometer R2, N pole is then connected with the base stage of triode VT1, the diode D2 be serially connected between the collector electrode of triode VT1 and the base stage of triode VT2 form; The emitter of described triode VT1 is connected with the negative pole of electric capacity C3; The base stage of described triode VT2 is all connected with low-frequency oscillatory network with its collector electrode, its emitter is then connected with the negative pole of electric capacity C1.
Described low-frequency oscillatory network is then by NAND gate A1, NAND gate A2, be serially connected in the resistance R4 between the positive pole of NAND gate A1 and output, positive pole is connected with the output of NAND gate A2, electric capacity C2 that negative pole is then connected with the output of NAND gate A1 after resistance R5 forms; The positive pole of described NAND gate A2 is all connected with the output of NAND gate A1 with negative pole, its output is then connected with the positive pole of NAND gate A3; The output of described NAND gate A1 is also connected with the collector electrode of triode VT2, its negative pole is then connected with the base stage of triode VT2; The base stage of described triode VT2 is then connected with the positive pole of battery after resistance R3.
The utility model comparatively prior art is compared, and has the following advantages and beneficial effect:
(1) the utility model can send alarm signal when battery short of electricity, reminds people to charge to battery in time, avoids battery work under over-discharge state and affect its useful life.
(2) the utility model structure is simple, and cost of manufacture is low, is applicable to wide model and promotes.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
Embodiment
As shown in Figure 1, battery charge reminder device of the present utility model, by NAND gate A3, NAND gate A4, electric capacity C1, resistance R6, electric capacity C3, alarm B, bleeder circuit, switching circuit, and low-frequency oscillatory network composition.
During connection, the positive pole of described electric capacity C3 is connected with the output of NAND gate A4 after resistance R6, its negative pole is then connected with switching circuit, alarm B is then in parallel with electric capacity C3, the negative pole of electric capacity C1 is connected with switching circuit, its positive pole is then connected with the negative pole of NAND gate A3, the positive pole of described NAND gate A3 is all connected with low-frequency oscillatory network with its negative pole, its output then simultaneously the positive pole of NAND gate A4 be connected with negative pole; Described bleeder circuit is connected with battery, and switching circuit is then serially connected with between bleeder circuit and low-frequency oscillatory network.
Wherein, bleeder circuit comprises resistance R1, potentiometer R2 and resistance R3.One end of resistance R1 is connected with the positive pole of battery, its other end is then connected with the negative pole of battery and the negative pole of electric capacity C3 after potentiometer R2 simultaneously, and the control end of described potentiometer R2 is then connected with switching circuit.One end of described resistance R3 is connected with low-frequency oscillatory network, its other end is then connected with the positive pole of battery.
The resistance of this resistance R1 and potentiometer R2 is 150K Ω, and the electric current flowing through resistance R1 and potentiometer R2 is very little, is only 0.1mA, although therefore resistance R1 and potentiometer R2 is connected in parallel on the two ends of battery for a long time, its power consumption is extremely low.
Described switching circuit is by triode VT1, triode VT2, the diode D1 that P pole is connected with the control end of potentiometer R2, N pole is then connected with the base stage of triode VT1, the diode D2 be serially connected between the collector electrode of triode VT1 and the base stage of triode VT2 form.The emitter of described triode VT1 is connected with the negative pole of electric capacity C3.The base stage of described triode VT2 is all connected with low-frequency oscillatory network with its collector electrode, its emitter is then connected with the negative pole of electric capacity C1.This switching circuit for detecting the voltage division signal of battery, and controls oscillating circuit.
Described low-frequency oscillatory network is then by NAND gate A1, NAND gate A2, be serially connected in the resistance R4 between the positive pole of NAND gate A1 and output, positive pole is connected with the output of NAND gate A2, electric capacity C2 that negative pole is then connected with the output of NAND gate A1 after resistance R5 forms.The positive pole of described NAND gate A2 is all connected with the output of NAND gate A1 with negative pole, its output is then connected with the positive pole of NAND gate A3.The output of described NAND gate A1 is also connected with the collector electrode of triode VT2, its negative pole is then connected with the base stage of triode VT2.The base stage of described triode VT2 is then connected with the positive pole of battery after resistance R3.
When the electricity of battery is enough, the voltage of battery is higher, and the sampling voltage exported from the control end of potentiometer R2 is higher, triode VT1 and triode VT2 all conductings, its output low level, and low-frequency oscillatory network does not work; At this moment the positive pole of NAND gate A3 and negative pole input low level, its output then exports high level; The positive pole of NAND gate A4 and negative pole then input high level, its output then output low level, alarm B does not work.
Otherwise when the electricity of battery is too low, the voltage of battery is very low, the sampling voltage exported from the control end of potentiometer R2 is very low, and triode VT1 and triode VT2 ends, and low-frequency oscillatory network starts starting of oscillation; At this moment the positive pole of NAND gate A3 and negative pole input high level, its output then output low level; The positive pole of NAND gate A4 and negative pole then input low level, its output then exports high level, and alarm B starts to report to the police.
As mentioned above, just well the utility model can be implemented.
Claims (4)
1. a battery charge reminder device, is characterized in that: by NAND gate A3, NAND gate A4, electric capacity C1, resistance R6, electric capacity C3, alarm B, bleeder circuit, switching circuit, and low-frequency oscillatory network composition; The positive pole of described electric capacity C3 is connected with the output of NAND gate A4 after resistance R6, its negative pole is then connected with switching circuit, alarm B is then in parallel with electric capacity C3, the negative pole of electric capacity C1 is connected with switching circuit, its positive pole is then connected with the negative pole of NAND gate A3, the positive pole of described NAND gate A3 is all connected with low-frequency oscillatory network with its negative pole, its output then simultaneously the positive pole of NAND gate A4 be connected with negative pole; Described bleeder circuit is connected with battery, and switching circuit is then serially connected with between bleeder circuit and low-frequency oscillatory network.
2. a kind of battery charge reminder device according to claim 1, is characterized in that: described bleeder circuit comprises resistance R1, potentiometer R2 and resistance R3; One end of described resistance R3 is connected with low-frequency oscillatory network, its other end is then connected with the positive pole of battery, one end of resistance R1 is connected with the positive pole of battery, its other end is then connected with the negative pole of electric capacity C3 and the negative pole of battery after potentiometer R2 simultaneously, and the control end of described potentiometer R2 is then connected with switching circuit.
3. a kind of battery charge reminder device according to claim 2, it is characterized in that: described switching circuit is by triode VT1, triode VT2, the diode D1 that P pole is connected with the control end of potentiometer R2, N pole is then connected with the base stage of triode VT1, the diode D2 be serially connected between the collector electrode of triode VT1 and the base stage of triode VT2 form; The emitter of described triode VT1 is connected with the negative pole of electric capacity C3; The base stage of described triode VT2 is all connected with low-frequency oscillatory network with its collector electrode, its emitter is then connected with the negative pole of electric capacity C1.
4. a kind of battery charge reminder device according to claim 3, it is characterized in that: described low-frequency oscillatory network is then by NAND gate A1, NAND gate A2, be serially connected in the resistance R4 between the positive pole of NAND gate A1 and output, positive pole is connected with the output of NAND gate A2, electric capacity C2 that negative pole is then connected with the output of NAND gate A1 after resistance R5 forms; The positive pole of described NAND gate A2 is all connected with the output of NAND gate A1 with negative pole, its output is then connected with the positive pole of NAND gate A3; The output of described NAND gate A1 is also connected with the collector electrode of triode VT2, its negative pole is then connected with the base stage of triode VT2; The base stage of described triode VT2 is then connected with the positive pole of battery after resistance R3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677820.4U CN205004780U (en) | 2015-09-02 | 2015-09-02 | Battery reminiscences that charges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520677820.4U CN205004780U (en) | 2015-09-02 | 2015-09-02 | Battery reminiscences that charges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004780U true CN205004780U (en) | 2016-01-27 |
Family
ID=55161651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520677820.4U Expired - Fee Related CN205004780U (en) | 2015-09-02 | 2015-09-02 | Battery reminiscences that charges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004780U (en) |
-
2015
- 2015-09-02 CN CN201520677820.4U patent/CN205004780U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20160902 |