CN203026923U - Storage battery control circuit - Google Patents
Storage battery control circuit Download PDFInfo
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- CN203026923U CN203026923U CN 201320016260 CN201320016260U CN203026923U CN 203026923 U CN203026923 U CN 203026923U CN 201320016260 CN201320016260 CN 201320016260 CN 201320016260 U CN201320016260 U CN 201320016260U CN 203026923 U CN203026923 U CN 203026923U
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Abstract
The utility model discloses a storage battery control circuit which comprises a reference voltage source circuit, a voltage sampling circuit, a low-voltage indicating circuit and an overdischarge protection circuit, wherein the reference voltage source circuit supplies reference voltage to the low-voltage indicating circuit and the overdischarge protection circuit; the voltage sampling circuit acquires output voltage of a storage battery and outputs the sampled voltage; the low-voltage indicating circuit sends an indicating signal when the sampled voltage is lower than the reference voltage; the overdischarge protection circuit pre-stores first threshold voltage and second threshold voltage; the first threshold voltage is smaller than the second threshold voltage; when the sampled voltage is greater than the first threshold voltage; the overdischarge protection circuit controls the on of a storage battery loop; the storage battery supplies power to a load; and when the sampled voltage is smaller than the first threshold voltage, the overdischarge protection circuit controls off of the battery loop, and the first threshold voltage is skipped to the second threshold voltage. By the storage battery control circuit, sustained consumption of a storage battery is avoided; the storage battery is effectively protected; and the service life of the storage battery is prolonged.
Description
Technical field
The utility model relates to the storage battery control field, particularly relates to a kind of rechargeable battery control circuit.
Background technology
The present defectives such as battery controller ubiquity defencive function imperfection.For example, in order to guarantee that unattended equipment (such as attendance recorder etc.) still can work, and needs to use storage battery as stand-by power supply usually after outage.Infringement for fear of over-discharge can causes storage battery must arrange storage battery protecting device.Storage battery protecting device commonly used is provided with a threshold voltage, and during lower than this threshold voltage, storage battery protecting device can disconnect current supply circuit, is that storage battery stops load supplying when the discharge voltage of storage battery.
But, due to after load is disconnected, more than battery tension can be increased to rapidly the threshold voltage of setting, the oscillatory occurences of " disconnect; connect; disconnect again, then connect " by place in circuit powering load again, can appear again in storage battery subsequently, until storage battery thoroughly exhausts, shorten the life-span of storage battery, even can damage storage battery.
The utility model content
Based on this, being necessary provides a kind of rechargeable battery control circuit that can effectively avoid battery overdischarge for the incomplete problem of defencive function of existing battery controller existence.
A kind of rechargeable battery control circuit, comprise reference voltage source circuit, voltage sampling circuit, low pressure indicating circuit and over circuit, described reference voltage source circuit provides reference voltage for described low pressure indicating circuit and described over circuit, described voltage sample point road gathers the output voltage of described storage battery and also exports sampled voltage, and described low pressure indicating circuit sends index signal during lower than described reference voltage at described sampled voltage; Described over circuit prestore the first threshold voltage and the second threshold voltage; described the first threshold voltage is less than described the second threshold voltage; when described sampled voltage during greater than described the first threshold voltage; described over circuit control connection storage battery loop; described storage battery is load supplying; when described sampled voltage during less than described the first threshold voltage; described over circuit control shutoff storage battery loop; and described the first threshold voltage redirect is described the second threshold voltage.
Therein in embodiment, described reference voltage circuit comprises the first resistance, the second resistance and reference voltage source, the positive pole of the one described storage battery of termination of described the first resistance, the other end connects respectively the negative pole of described reference voltage source, the reference edge of reference voltage source and an end of described the second resistance, the minus earth of described storage battery, the other end of the positive pole of described reference voltage source and described the second resistance is ground connection respectively, and the link of described the first resistance and described reference voltage source negative pole is the reference voltage output end of output reference voltage;
Described sample circuit comprises the 3rd resistance and the 4th resistance, the positive pole of the one described storage battery of termination of described the 3rd resistance, one end of described the 4th resistance of another termination, the other end ground connection of described the 4th resistance, the link of described the 3rd resistance and described the 4th resistance is the sampled voltage output of the described sampled voltage of output;
Described low pressure indicating circuit comprises low pressure indicator light, the 5th resistance and the first comparator, the in-phase input end of described the first comparator connects described sampled voltage output, the described reference voltage output end of anti-phase input termination, the negative pole of the described low pressure indicator light of output termination of described the first comparator, the positive pole of described low pressure indicator light connect the positive pole of described storage battery by described the 5th resistance;
described over circuit comprises the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the first voltage stabilizing didoe, the second comparator, the first triode and the first metal-oxide-semiconductor, the in-phase input end of described the second comparator connects described sampled voltage output, inverting input connects respectively an end of described the 6th resistance and an end of described the 7th resistance, the described reference voltage output end of another termination of described the 6th resistance, the other end of described the 7th resistance connects respectively an end of described the 8th resistance and the collector electrode of described the first triode, the emitter of the other end of described the 8th resistance and described the first triode is ground connection respectively, the other end of described the 8th resistance, the output of described the second comparator connects respectively an end of described the 9th resistance, one end of described the tenth resistance and an end of described the 11 resistance, the positive pole of the described storage battery of another termination of described the tenth resistance, the base stage of described first triode of another termination of described the 11 resistance, the other end of described the 9th resistance connects respectively the negative pole of described the first voltage stabilizing didoe and the grid of described the first metal-oxide-semiconductor, the plus earth of described the first voltage stabilizing didoe, the drain electrode of described the first metal-oxide-semiconductor connects the positive pole of described storage battery by described load, the source ground of described the first metal-oxide-semiconductor.
therein in embodiment, described rechargeable battery control circuit also comprises voltage-stabilizing output circuit, described voltage-stabilizing output circuit comprises three terminal regulator, the first electric capacity, the second electric capacity, the 18 resistance and the 19 resistance, one end of described the first electric capacity and the input of described three-terminal voltage-stabilizing pipe connect respectively the positive pole of described storage battery, the output of described three-terminal voltage-stabilizing pipe connects respectively an end of described the 19 resistance and an end of described the second electric capacity, the model of described three-terminal voltage-stabilizing pipe is LM317, the ADJ pin of described three-terminal voltage-stabilizing pipe connects an end of described the 18 resistance, the other end of described the first electric capacity, the other end of the second electric capacity, the other end of the 18 resistance and the other end of the 19 electric capacity connect respectively the drain electrode of described the first metal-oxide-semiconductor.
therein in embodiment, also comprise charging circuit, described charging circuit comprises solar panel, the first diode, the second voltage stabilizing didoe, the 12 resistance and charging indicator light, the positive pole of described solar panel connects respectively the positive pole of described the first diode and the negative pole of described the second voltage stabilizing didoe, the negative pole of described the first diode connects the positive pole of described storage battery, the positive pole of described the second voltage stabilizing didoe connects an end of described the 12 resistance, the positive pole of the described charging indicator light of another termination of described the 12 resistance, the minus earth of described charging indicator light.
therein in embodiment, also comprise the indicating circuit that overcharges, the described indicating circuit that overcharges comprises the 3rd voltage stabilizing didoe, the second triode, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 17 resistance, the second triode, the 3rd triode and the indicator light that overcharges, the negative pole of described the 3rd voltage stabilizing didoe connects the positive pole of described storage battery, the positive pole of described the 3rd voltage stabilizing didoe connects the positive pole of described the second triode, the negative pole of described the second triode connects respectively an end of described the 13 resistance and an end of described the 14 resistance, the base stage of described second triode of another termination of described the 13 resistance, the other end ground connection of described the 14 resistance, the grounded emitter of described the second triode, the collector electrode of described the second triode connects respectively an end of described the 15 resistance and an end of described the 16 resistance, the positive pole of the described storage battery of another termination of described the 15 resistance, the base stage of described the 3rd triode of another termination of described the 16 resistance, the emitter of described the 3rd triode connects the positive pole of described storage battery, the collector electrode of described the 3rd triode is successively by described indicator light and described the 17 grounding through resistance of overcharging.
above-mentioned rechargeable battery control circuit, discharge voltage at storage battery is less, the sampled voltage of voltage sampling circuit output is during less than the first threshold voltage, the over circuit can disconnect being connected of storage battery and load, storage battery is stopped load supplying, simultaneously, the first threshold voltage redirect that the over circuit prestores is the second threshold voltage, the first threshold voltage is less than the second threshold voltage, even storage battery discharge voltage after disconnecting consumers slightly raises, more than sampled voltage may be increased to the first threshold voltage, but still less than the second threshold voltage, therefore the over circuit can the conducting storage battery with load between be connected, the phenomenon that storage battery continues consumption can not appear, effectively protected storage battery, extended the life-span of storage battery.
Description of drawings
Fig. 1 is the electrical schematic diagram of the rechargeable battery control circuit of an embodiment.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, in one embodiment, a kind of rechargeable battery control circuit comprises reference voltage source circuit 110, voltage sampling circuit 120, low pressure indicating circuit 130 and over circuit 140.
Reference voltage source circuit 110 connects respectively storage battery BT, low pressure indicating circuit 130 and over circuit 140, is used to low pressure indicating circuit 130 and over circuit 140 that reference voltage is provided.In the present embodiment, reference voltage source circuit 110 comprises the first resistance R 1, the second resistance R 2 and reference voltage source WD.The positive pole of one termination storage battery BT of the first resistance R 1, the other end connect respectively the negative pole of reference voltage source WD, the reference edge of reference voltage source WD and an end of the second resistance R 2.The minus earth of storage battery BT, the other end of the positive pole of reference voltage source WD and the second resistance R 2 is ground connection respectively.In the present embodiment, reference voltage source WD model is TL431.The first resistance R 1 is the reference voltage output end of output reference voltage with the link of reference voltage source WD negative pole.
Low pressure indicating circuit 130 is connected with reference voltage source circuit 110, voltage sampling circuit 120 and storage battery BT, is used for sending during lower than reference voltage at sampled voltage index signal.In the present embodiment, low pressure indicating circuit 130 comprises low pressure indicator light ED1, the 5th resistance R 5 and the first comparator U1.The in-phase input end of the first comparator U1 connects the sampled voltage output, anti-phase input termination reference voltage output end, the negative pole of the output termination low pressure indicator light ED1 of the first comparator U1, the positive pole of low pressure indicator light ED1 connects the positive pole of storage battery BT by the 5th resistance R 5.Low pressure indicator light ED1 is light-emitting diode.
Over circuit 140 is connected with reference voltage source circuit 110, voltage sampling circuit 120 and storage battery BT.Over circuit 140 prestore the first threshold voltage and the second threshold voltage, the first threshold voltage is less than the second threshold voltage.During greater than the first threshold voltage, over circuit 140 is controlled the loop of connecting storage battery BT when sampled voltage, and storage battery BT is load L power supply; During less than the first threshold voltage, over circuit 140 is controlled the loop of turn-offing storage battery BT, and the first threshold voltage redirect is the second threshold voltage when sampled voltage.In the present embodiment, over circuit 140 comprises the 6th resistance R 6, the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, the tenth resistance R 10, the 11 resistance R 11, the first voltage stabilizing didoe ZD1, the second comparator U2, the first triode Q1 and the first metal-oxide-semiconductor M1.the in-phase input end of the second comparator U2 connects the sampled voltage output, inverting input connects respectively an end of the 6th resistance R 6 and an end of the 7th resistance R 7, another termination reference voltage output end of the 6th resistance R 6, the other end of the 7th resistance R 7 connects respectively an end of the 8th resistance R 8 and the collector electrode of the first triode Q1, the emitter of the other end of the 8th resistance R 8 and the first triode Q1 is ground connection respectively, the other end of the 8th resistance R 8, the output of the second comparator U2 connects respectively an end of the 9th resistance R 9, one end of the tenth resistance R 10 and an end of the 11 resistance R 11, the positive pole of another termination storage battery BT of the tenth resistance R 10, the base stage of another termination first triode Q1 of the 11 resistance R 11, the other end of the 9th resistance R 9 connects respectively the negative pole of the first voltage stabilizing didoe ZD1 and the grid of the first metal-oxide-semiconductor M1, the plus earth of the first voltage stabilizing didoe ZD1, the drain electrode of the first metal-oxide-semiconductor M1 connects the positive pole of storage battery BT by load, the source ground of the first metal-oxide-semiconductor M1.Wherein, the first metal-oxide-semiconductor is N channel field-effect pipe, and the first triode Q1 is the NPN pipe.
The first threshold voltage and the second threshold voltage are the voltage of the inverting input of the second comparator U2 under two kinds of different conditions.When the discharge voltage of storage battery BT is larger, the sampled voltage of voltage sampling circuit 120 outputs is larger, the voltage of the in-phase input end of the second comparator U2 is greater than the voltage of inverting input, the second comparator U2 output high level, the first metal-oxide-semiconductor M1 conducting, storage battery BT is load L power supply, the first triode Q1 conducting simultaneously, the 8th resistance R 8 is by short circuit, the voltage of the inverting input of the second comparator U2 of this moment is the first threshold voltage, by adjusting the resistance of the 6th resistance R 6 and the 7th resistance R 7, can adjust the first threshold voltage.continuous discharge along with storage battery BT, the discharge voltage of storage battery BT reduces gradually, when the discharge voltage of storage battery BT hour, the sampled voltage of voltage sampling circuit output is less, at the voltage of the in-phase input end of the second comparator U2 voltage less than inverting input this moment, during namely less than the first threshold voltage, the output low level of the second comparator U2, the first metal-oxide-semiconductor turn-offs, storage battery BT stops load L is powered, simultaneously, the first triode Q1 turn-offs, the 8th resistance R 8 is access in, the rising of the inverting input of the second comparator U2, be the second threshold voltage by the first threshold voltage redirect.After disconnecting consumers, the output voltage of storage battery BT slightly has rising, sampled voltage slightly raises, the sampled voltage of this moment may be greater than the first threshold voltage, but the voltage of the inverting input of the second comparator U2 is the second threshold voltage at this moment, can be less than the second threshold voltage, the second comparator U2 is output low level still, has avoided the overdischarge of storage battery BT.After to storage battery BT charging, sampled voltage is greater than the second threshold voltage, the second comparator U2 output high level, the first metal-oxide-semiconductor M1 conducting, storage battery BT begins load supplying, simultaneously, and the first triode Q1 conducting, the 8th resistance R 8 is by short circuit, and the voltage of the inverting input of the second comparator U2 is the first threshold voltage by the second threshold voltage redirect.
In specific embodiment, rechargeable battery control circuit also comprises voltage-stabilizing output circuit 150.Voltage-stabilizing output circuit 150 comprises three terminal regulator U3, the first capacitor C 1, the second capacitor C 2, the 18 resistance R 18 and the 19 resistance R 19.The input of one end of the first capacitor C 1 and three-terminal voltage-stabilizing pipe U3 connects respectively the positive pole of storage battery BT, the output of three-terminal voltage-stabilizing pipe U3 connects respectively an end of the 19 resistance R 19 and an end of the second capacitor C 2, the model of three-terminal voltage-stabilizing pipe U3 is LM317, the ADJ pin of three-terminal voltage-stabilizing pipe U3 connects an end of the 18 resistance R 18, and the other end of the other end of the other end of the first capacitor C 1, the second capacitor C 2, the other end of the 18 resistance R 18 and the 19 electric capacity connects respectively the drain electrode of the first metal-oxide-semiconductor M1.Voltage-stabilizing output circuit 150 has Voltage-output interface OUT, and this Voltage-output interface OUT is connected with the output of three-terminal voltage-stabilizing pipe U3, is used for the voltage of stable output, can be used to charging of mobile devices etc.
In specific embodiment, rechargeable battery control circuit also comprises charging circuit 160 and overcharges indicating circuit 170.Charging circuit 160 comprises solar panel SR, the first diode D1, the second voltage stabilizing didoe ZD2, the 12 resistance R 12 and charging indicator light ED2.The positive pole of solar panel SR connects respectively the positive pole of the first diode D1 and the negative pole of the second voltage stabilizing didoe ZD2, the negative pole of the first diode D1 connects the positive pole of storage battery BT, the positive pole of the second voltage stabilizing didoe ZD2 connects an end of the 12 resistance R 12, the positive pole of another termination charging indicator light ED2 of the 12 resistance R 12, the minus earth of charging indicator light ED2.Wherein, charging indicator light ED2 is light-emitting diode.When intensity of illumination was larger, charging indicator light ED2 was lit, and solar panel SR begins storage battery BT is charged.The indicating circuit 170 that overcharges comprises the 3rd voltage stabilizing didoe ZD3, the second triode Q2, the 13 resistance R 13, the 14 resistance R 14, the 15 resistance R 15, the 16 resistance R 16, the 17 resistance R 17, the second triode Q2, the 3rd triode Q3 and the indicator light ED3 that overcharges.the negative pole of the 3rd voltage stabilizing didoe ZD3 connects the positive pole of storage battery BT, the positive pole of the 3rd voltage stabilizing didoe ZD3 connects the positive pole of the second triode Q2, the negative pole of the second triode Q2 connects respectively an end of the 13 resistance R 13 and an end of the 14 resistance R 14, the base stage of another termination second triode Q2 of the 13 resistance R 13, the other end ground connection of the 14 resistance R 14, the grounded emitter of the second triode Q2, the collector electrode of the second triode Q2 connects respectively an end of the 15 resistance R 15 and an end of the 16 resistance R 16, the positive pole of another termination storage battery BT of the 15 resistance R 15, the base stage of another termination the 3rd triode Q3 of the 16 resistance R 16, the emitter of the 3rd triode Q3 connects the positive pole of storage battery BT, the collector electrode of the 3rd triode Q3 is successively by indicator light ED3 and the 17 resistance R 17 ground connection of overcharging.Wherein, the second triode Q2 is the NPN pipe, and the 3rd triode is the PNP pipe.When storage battery BT charged full and is in overcharge condition, the indicator light ED3 that overcharges was lit, with the caution user.In addition, also be connected with switch S at the positive pole of storage battery BT, to control the power supply with voltage-stabilizing output circuit 140 of reference voltage source circuit 110, voltage sampling circuit 120, low pressure indicating circuit 130.Usually, rechargeable battery control circuit also is provided with the start indicating circuit, and the start indicating circuit comprises the 20 resistance R 20 and start indicator light ED4.Start indicator light ED4 is light-emitting diode.The positive pole of the inlet wire termination storage battery BT of switch S, the leading-out terminal of a termination switch S of the 20 resistance R 20, the positive pole of another termination start indicator light ED4, the minus earth of start indicator light ED4.
above-mentioned rechargeable battery control circuit, discharge voltage at storage battery BT is less, the sampled voltage of voltage sampling circuit 120 output is during less than the first threshold voltage, over circuit 140 can disconnect being connected of storage battery BT and load L, storage battery BT is stopped load supplying, simultaneously, the first threshold voltage redirect that over circuit 140 prestores is the second threshold voltage, the first threshold voltage is less than the second threshold voltage, even storage battery BT discharge voltage after disconnecting consumers L slightly raises, more than sampled voltage may be increased to the first threshold voltage, but still less than the second threshold voltage, therefore over circuit 140 can conducting storage battery BT with load L between be connected, the phenomenon that storage battery BT continues consumption can not appear, effectively protected storage battery BT, extended the life-span of storage battery BT.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. rechargeable battery control circuit, it is characterized in that, comprise reference voltage source circuit, voltage sampling circuit, low pressure indicating circuit and over circuit, described reference voltage source circuit provides reference voltage for described low pressure indicating circuit and described over circuit, described voltage sample point road gathers the output voltage of described storage battery and also exports sampled voltage, and described low pressure indicating circuit sends index signal during lower than described reference voltage at described sampled voltage; Described over circuit prestore the first threshold voltage and the second threshold voltage; described the first threshold voltage is less than described the second threshold voltage; when described sampled voltage during greater than described the first threshold voltage; described over circuit control connection storage battery loop; described storage battery is load supplying; when described sampled voltage during less than described the first threshold voltage; described over circuit control shutoff storage battery loop; and described the first threshold voltage redirect is described the second threshold voltage.
2. rechargeable battery control circuit according to claim 1, it is characterized in that, described reference voltage circuit comprises the first resistance, the second resistance and reference voltage source, the positive pole of the one described storage battery of termination of described the first resistance, the other end connects respectively the negative pole of described reference voltage source, one end of the reference edge of reference voltage source and described the second resistance, the minus earth of described storage battery, the other end of the positive pole of described reference voltage source and described the second resistance is ground connection respectively, the link of described the first resistance and described reference voltage source negative pole is the reference voltage output end of output reference voltage,
Described sample circuit comprises the 3rd resistance and the 4th resistance, the positive pole of the one described storage battery of termination of described the 3rd resistance, one end of described the 4th resistance of another termination, the other end ground connection of described the 4th resistance, the link of described the 3rd resistance and described the 4th resistance is the sampled voltage output of the described sampled voltage of output;
Described low pressure indicating circuit comprises low pressure indicator light, the 5th resistance and the first comparator, the in-phase input end of described the first comparator connects described sampled voltage output, the described reference voltage output end of anti-phase input termination, the negative pole of the described low pressure indicator light of output termination of described the first comparator, the positive pole of described low pressure indicator light connect the positive pole of described storage battery by described the 5th resistance;
described over circuit comprises the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the tenth resistance, the 11 resistance, the first voltage stabilizing didoe, the second comparator, the first triode and the first metal-oxide-semiconductor, the in-phase input end of described the second comparator connects described sampled voltage output, inverting input connects respectively an end of described the 6th resistance and an end of described the 7th resistance, the described reference voltage output end of another termination of described the 6th resistance, the other end of described the 7th resistance connects respectively an end of described the 8th resistance and the collector electrode of described the first triode, the emitter of the other end of described the 8th resistance and described the first triode is ground connection respectively, the other end of described the 8th resistance, the output of described the second comparator connects respectively an end of described the 9th resistance, one end of described the tenth resistance and an end of described the 11 resistance, the positive pole of the described storage battery of another termination of described the tenth resistance, the base stage of described first triode of another termination of described the 11 resistance, the other end of described the 9th resistance connects respectively the negative pole of described the first voltage stabilizing didoe and the grid of described the first metal-oxide-semiconductor, the plus earth of described the first voltage stabilizing didoe, the drain electrode of described the first metal-oxide-semiconductor connects the positive pole of described storage battery by described load, the source ground of described the first metal-oxide-semiconductor.
3. rechargeable battery control circuit according to claim 2, it is characterized in that, described rechargeable battery control circuit also comprises voltage-stabilizing output circuit, described voltage-stabilizing output circuit comprises three terminal regulator, the first electric capacity, the second electric capacity, the 18 resistance and the 19 resistance, one end of described the first electric capacity and the input of described three-terminal voltage-stabilizing pipe connect respectively the positive pole of described storage battery, the output of described three-terminal voltage-stabilizing pipe connects respectively an end of described the 19 resistance and an end of described the second electric capacity, the model of described three-terminal voltage-stabilizing pipe is LM317, the ADJ pin of described three-terminal voltage-stabilizing pipe connects an end of described the 18 resistance, the other end of described the first electric capacity, the other end of the second electric capacity, the other end of the 18 resistance and the other end of the 19 electric capacity connect respectively the drain electrode of described the first metal-oxide-semiconductor.
4. rechargeable battery control circuit according to claim 1, it is characterized in that, also comprise charging circuit, described charging circuit comprises solar panel, the first diode, the second voltage stabilizing didoe, the 12 resistance and charging indicator light, the positive pole of described solar panel connects respectively the positive pole of described the first diode and the negative pole of described the second voltage stabilizing didoe, the negative pole of described the first diode connects the positive pole of described storage battery, the positive pole of described the second voltage stabilizing didoe connects an end of described the 12 resistance, the positive pole of the described charging indicator light of another termination of described the 12 resistance, the minus earth of described charging indicator light.
5. rechargeable battery control circuit according to claim 4, it is characterized in that, also comprise the indicating circuit that overcharges, the described indicating circuit that overcharges comprises the 3rd voltage stabilizing didoe, the second triode, the 13 resistance, the 14 resistance, the 15 resistance, the 16 resistance, the 17 resistance, the second triode, the 3rd triode and the indicator light that overcharges, the negative pole of described the 3rd voltage stabilizing didoe connects the positive pole of described storage battery, the positive pole of described the 3rd voltage stabilizing didoe connects the positive pole of described the second triode, the negative pole of described the second triode connects respectively an end of described the 13 resistance and an end of described the 14 resistance, the base stage of described second triode of another termination of described the 13 resistance, the other end ground connection of described the 14 resistance, the grounded emitter of described the second triode, the collector electrode of described the second triode connects respectively an end of described the 15 resistance and an end of described the 16 resistance, the positive pole of the described storage battery of another termination of described the 15 resistance, the base stage of described the 3rd triode of another termination of described the 16 resistance, the emitter of described the 3rd triode connects the positive pole of described storage battery, the collector electrode of described the 3rd triode is successively by described indicator light and described the 17 grounding through resistance of overcharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016260 CN203026923U (en) | 2013-01-11 | 2013-01-11 | Storage battery control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016260 CN203026923U (en) | 2013-01-11 | 2013-01-11 | Storage battery control circuit |
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| CN203026923U true CN203026923U (en) | 2013-06-26 |
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| CN 201320016260 Withdrawn - After Issue CN203026923U (en) | 2013-01-11 | 2013-01-11 | Storage battery control circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022982A (en) * | 2013-01-11 | 2013-04-03 | 浙江明烁电子科技有限公司 | Storage battery control circuit |
| CN110661313A (en) * | 2019-09-26 | 2020-01-07 | 宁夏电通物联网科技股份有限公司 | Window voltage control storage battery discharge protection circuit based on discrete component |
-
2013
- 2013-01-11 CN CN 201320016260 patent/CN203026923U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022982A (en) * | 2013-01-11 | 2013-04-03 | 浙江明烁电子科技有限公司 | Storage battery control circuit |
| CN103022982B (en) * | 2013-01-11 | 2015-10-21 | 浙江明烁电子科技有限公司 | Rechargeable battery control circuit |
| CN110661313A (en) * | 2019-09-26 | 2020-01-07 | 宁夏电通物联网科技股份有限公司 | Window voltage control storage battery discharge protection circuit based on discrete component |
| CN110661313B (en) * | 2019-09-26 | 2023-06-02 | 宁夏电通物联网科技股份有限公司 | Window voltage control storage battery discharge protection circuit based on discrete component |
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Address after: 314100, Zhenhua Road 68, Wei Tong Street, Jiashan County, Jiaxing, Zhejiang Patentee after: ZHEJIANG MINGSHUO ENERGY-SAVING TECHNOLOGY INC. Address before: 314100, Zhenhua Road 68, Wei Tong Street, Jiashan County, Jiaxing, Zhejiang Patentee before: Zhejiang Mingshuo Electronic Technology Co., Ltd. |
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