CN204044330U - Storage battery under-voltage delayed alarm circuit - Google Patents

Storage battery under-voltage delayed alarm circuit Download PDF

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Publication number
CN204044330U
CN204044330U CN201420398282.0U CN201420398282U CN204044330U CN 204044330 U CN204044330 U CN 204044330U CN 201420398282 U CN201420398282 U CN 201420398282U CN 204044330 U CN204044330 U CN 204044330U
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China
Prior art keywords
resistance
circuit unit
electric capacity
operational amplifier
negative pole
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CN201420398282.0U
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Chinese (zh)
Inventor
刘晓东
安绍华
徐红宗
王磊
邓广
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Zhengzhou Smartgen Technology Co Ltd
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Zhengzhou Smartgen Technology Co Ltd
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Abstract

The utility model provides a kind of storage battery under-voltage delayed alarm circuit, and it comprises the diode D1, alarm lamp circuit unit, hysteresis comparator circuit unit, time delay circuit unit, reference voltage circuit unit, the step-down power supply circuit unit be connected respectively with the negative pole of diode D1 and the battery voltage sampling circuit unit that are connected with battery positive voltage.The utility model hinge structure has substantive distinguishing features and progress, specifically, storage battery under-voltage delayed alarm circuit, provides reference voltage by reference voltage circuit unit, is sampled to battery tension by battery voltage sampling circuit unit, hysteresis comparator circuit unit, then compared by hysteresis comparator circuit unit, by LED light light on and off, whether prompting battery tension meets the requirements, the need of charging, very easy to use.

Description

Storage battery under-voltage delayed alarm circuit
Technical field
The utility model relates to field of batteries, relate to a kind of storage battery under-voltage delayed alarm circuit specifically.
Background technology
Instantly, the use of accumulator is more and more extensive, when accumulator uses, due to generally cannot intuitive judgment battery tension, need the voltage that apparatus measures just can know accumulator, often when needs use accumulator, one measurement just finds undertension, causes using, and impact is produced normally, lived.
In order to solve above Problems existing, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, thus provides a kind of storage battery under-voltage delayed alarm circuit.
To achieve these goals, the technical scheme that the utility model adopts is: storage battery under-voltage delayed alarm circuit, it comprises the diode D1 be connected with battery positive voltage, alarm lamp circuit unit, hysteresis comparator circuit unit, time delay circuit unit, reference voltage circuit unit, the step-down power supply circuit unit be connected respectively with the negative pole of diode D1 and battery voltage sampling circuit unit, described step-down power supply circuit unit comprises the resistance R1 that one end is connected with the negative pole of diode D1, the stabilivolt DZ1 that the electric capacity C1 be connected with the resistance R1 other end and negative pole are connected with the resistance R1 other end, the positive pole of electric capacity C1 and stabilivolt DZ1 all connects the negative pole of accumulator, described battery voltage sampling circuit unit comprises the resistance R2 connected in turn, resistance R4, resistance R8 and the electric capacity C2 be all connected with resistance R4 and resistance R8, resistance R8 is all connected with the negative pole of accumulator with electric capacity C2, reference voltage circuit unit comprises resistance R3, resistance R10 and electric capacity C3, one end of resistance R3 is connected with the negative pole of resistance R1 and capacitance voltage stabilizing pipe DZ1, the other end of resistance R3 is connected with resistance R10 and electric capacity C3 respectively, the other end of resistance R10 is all connected with the negative pole of accumulator with the other end of electric capacity C3, described hysteresis comparator circuit unit comprises operational amplifier U1A and resistance R11, the inverting input contact resistance R4 respectively of operational amplifier U1A, resistance R8 and electric capacity C2, the normal phase input end contact resistance R3 respectively of operational amplifier U1A, resistance R10 and electric capacity C3, the output terminal of operational amplifier U1A is connected by resistance R11 with normal phase input end, described time delay circuit unit comprises the resistance R5 connected in turn, resistance R6, resistance R9, electric capacity C4 and diode D2, resistance R5 is connected with the output terminal of operational amplifier U1A, resistance R6, the negative pole of resistance R9 and diode D2 is all connected with the normal phase input end of operational amplifier U1B, the positive pole of diode D2 respectively with resistance R5, the output terminal of resistance R11 and operational amplifier U1A connects, the negative input of electric capacity operational amplifier U1B is connected with the normal phase input end of operational amplifier U1A, described alarm lamp circuit unit comprises resistance R7 and LED light, resistance R7 one end is connected with the output terminal of electric capacity operational amplifier U1B, the resistance R7 other end is connected with the positive pole of LED light, negative pole and the electric capacity C4 of LED light are all connected with the negative pole of accumulator.
The utility model hinge structure has substantive distinguishing features and progress, specifically, storage battery under-voltage delayed alarm circuit, the electric current and voltage of accumulator is powered for whole circuit after pressure-limit current-limit filtering, provide reference voltage by reference voltage circuit unit simultaneously, by battery voltage sampling circuit unit, battery tension is sampled, hysteresis comparator circuit unit, then compared by hysteresis comparator circuit unit, when sampled voltage is lower than reference voltage, hysteresis comparator circuit unit exports high level, charged to electric capacity C4 by time delay circuit unit, when the reference voltage of voltage on electric capacity C4 higher than the inverting input of operational amplifier U1B, the output terminal of operational amplifier U1B exports high level, LED light in warning indicating circuit is lighted after resistance R7 pressure limiting, prompting user battery tension is lower than setting value, need charging.When sampled voltage is higher than reference voltage, hysteresis comparator circuit unit output low level, electric capacity C4 is discharged by resistance R9 and diode D2, during reference voltage lower than inverting input of the normal phase input end voltage of operational amplifier U1B, and the output terminal output low level of operational amplifier U1B, LED light is extinguished, prompting battery tension meets the requirements, and without the need to charging, whether can meet request for utilization by Timeliness coverage battery tension, the need of charging, very easy to use.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of storage battery under-voltage delayed alarm circuit in the utility model embodiment.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, storage battery under-voltage delayed alarm circuit, it comprises the diode D1 be connected with battery positive voltage, alarm lamp circuit unit, hysteresis comparator circuit unit, time delay circuit unit, reference voltage circuit unit, the step-down power supply circuit unit be connected respectively with the negative pole of diode D1 and battery voltage sampling circuit unit, described step-down power supply circuit unit comprises the resistance R1 that one end is connected with the negative pole of diode D1, the stabilivolt DZ1 that the electric capacity C1 be connected with the resistance R1 other end and negative pole are connected with the resistance R1 other end, in the present embodiment, the model of stabilivolt DZ1 is BZT52C15, the positive pole of electric capacity C1 and stabilivolt DZ1 all connects the negative pole of accumulator, described battery voltage sampling circuit unit comprises the resistance R2 connected in turn, resistance R4, resistance R8 and the electric capacity C2 be all connected with resistance R4 and resistance R8, resistance R8 is all connected with the negative pole of accumulator with electric capacity C2, reference voltage circuit unit comprises resistance R3, resistance R10 and electric capacity C3, one end of resistance R3 is connected with the negative pole of resistance R1 and capacitance voltage stabilizing pipe DZ1, the other end of resistance R3 is connected with resistance R10 and electric capacity C3 respectively, the other end of resistance R10 is all connected with the negative pole of accumulator with the other end of electric capacity C3, described hysteresis comparator circuit unit comprises operational amplifier U1A and resistance R11, the inverting input contact resistance R4 respectively of operational amplifier U1A, resistance R8 and electric capacity C2, the normal phase input end contact resistance R3 respectively of operational amplifier U1A, resistance R10 and electric capacity C3, the output terminal of operational amplifier U1A is connected by resistance R11 with normal phase input end, described time delay circuit unit comprises the resistance R5 connected in turn, resistance R6, resistance R9, electric capacity C4 and diode D2, resistance R5 is connected with the output terminal of operational amplifier U1A, resistance R6, the negative pole of resistance R9 and diode D2 is all connected with the normal phase input end of operational amplifier U1B, the positive pole of diode D2 respectively with resistance R5, the output terminal of resistance R11 and operational amplifier U1A connects, the negative input of electric capacity operational amplifier U1B is connected with the normal phase input end of operational amplifier U1AA, described alarm lamp circuit unit comprises resistance R7 and LED light, resistance R7 one end is connected with the output terminal of operational amplifier U1B, the resistance R7 other end is connected with the positive pole of LED light, negative pole and the electric capacity C4 of LED light are all connected with the negative pole of accumulator, wherein, electric capacity operational amplifier U1B and electric capacity operational amplifier U1A model are LM2904D, LED light is LED light emitting diode.
In the present embodiment, the electric current and voltage of accumulator is powered for whole circuit after pressure-limit current-limit filtering, provide reference voltage by reference voltage circuit unit simultaneously, by battery voltage sampling circuit unit, battery tension is sampled, hysteresis comparator circuit unit, then compared by hysteresis comparator circuit unit, when sampled voltage is lower than reference voltage, hysteresis comparator circuit unit exports high level, charged to electric capacity C4 by time delay circuit unit, when the reference voltage of voltage on electric capacity C4 higher than the inverting input of operational amplifier U1B, the output terminal of operational amplifier U1B exports high level, LED light in warning indicating circuit is lighted after resistance R7 pressure limiting, prompting user battery tension is lower than setting value, need charging.When sampled voltage is higher than reference voltage, hysteresis comparator circuit unit output low level, electric capacity C4 is discharged by resistance R9 and diode D2, during reference voltage lower than inverting input of the normal phase input end voltage of operational amplifier U1B, the output terminal output low level of operational amplifier U1B, LED light is extinguished, and prompting battery tension meets the requirements, without the need to charging.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to embodiment of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.

Claims (1)

1. storage battery under-voltage delayed alarm circuit, it is characterized in that: it comprises the diode D1 be connected with battery positive voltage, alarm lamp circuit unit, hysteresis comparator circuit unit, time delay circuit unit, reference voltage circuit unit, the step-down power supply circuit unit be connected respectively with the negative pole of diode D1 and battery voltage sampling circuit unit, described step-down power supply circuit unit comprises the resistance R1 that one end is connected with the negative pole of diode D1, the stabilivolt DZ1 that the electric capacity C1 be connected with the resistance R1 other end and negative pole are connected with the resistance R1 other end, the positive pole of electric capacity C1 and stabilivolt DZ1 all connects the negative pole of accumulator, described battery voltage sampling circuit unit comprises the resistance R2 connected in turn, resistance R4, resistance R8 and the electric capacity C2 be all connected with resistance R4 and resistance R8, resistance R8 is all connected with the negative pole of accumulator with electric capacity C2, reference voltage circuit unit comprises resistance R3, resistance R10 and electric capacity C3, one end of resistance R3 is connected with the negative pole of resistance R1 and capacitance voltage stabilizing pipe DZ1, the other end of resistance R3 is connected with resistance R10 and electric capacity C3 respectively, the other end of resistance R10 is all connected with the negative pole of accumulator with the other end of electric capacity C3, described hysteresis comparator circuit unit comprises operational amplifier U1A and resistance R11, the inverting input contact resistance R4 respectively of operational amplifier U1A, resistance R8 and electric capacity C2, the normal phase input end contact resistance R3 respectively of operational amplifier U1A, resistance R10 and electric capacity C3, the output terminal of operational amplifier U1A is connected by resistance R11 with normal phase input end, described time delay circuit unit comprises the resistance R5 connected in turn, resistance R6, resistance R9, electric capacity C4 and diode D2, resistance R5 is connected with the output terminal of operational amplifier U1A, resistance R6, the negative pole of resistance R9 and diode D2 is all connected with the normal phase input end of operational amplifier U1B, the positive pole of diode D2 respectively with resistance R5, the output terminal of resistance R11 and operational amplifier U1A connects, the negative input of electric capacity operational amplifier U1B is connected with the normal phase input end of operational amplifier U1A, described alarm lamp circuit unit comprises resistance R7 and LED light, resistance R7 one end is connected with the output terminal of electric capacity operational amplifier U1B, the resistance R7 other end is connected with the positive pole of LED light, negative pole and the electric capacity C4 of LED light are all connected with the negative pole of accumulator.
CN201420398282.0U 2014-07-18 2014-07-18 Storage battery under-voltage delayed alarm circuit Active CN204044330U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420398282.0U CN204044330U (en) 2014-07-18 2014-07-18 Storage battery under-voltage delayed alarm circuit

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Application Number Priority Date Filing Date Title
CN201420398282.0U CN204044330U (en) 2014-07-18 2014-07-18 Storage battery under-voltage delayed alarm circuit

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105416349A (en) * 2015-11-24 2016-03-23 国网山东无棣县供电公司 Device for transporting telegraph poles
CN106680731A (en) * 2017-03-02 2017-05-17 南京交通职业技术学院 Vehicle storage battery voltage balance monitoring device
CN108668420A (en) * 2018-05-23 2018-10-16 青岛海信宽带多媒体技术有限公司 A kind of control circuit and optical module of light emission instruction signal
CN110208673A (en) * 2019-06-12 2019-09-06 电子科技大学 A kind of power tube gate source voltage undervoltage detection circuit suitable for DC-DC converter

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105416349A (en) * 2015-11-24 2016-03-23 国网山东无棣县供电公司 Device for transporting telegraph poles
CN106680731A (en) * 2017-03-02 2017-05-17 南京交通职业技术学院 Vehicle storage battery voltage balance monitoring device
CN106680731B (en) * 2017-03-02 2023-11-03 南京交通职业技术学院 Vehicle storage battery voltage balance monitoring device
CN108668420A (en) * 2018-05-23 2018-10-16 青岛海信宽带多媒体技术有限公司 A kind of control circuit and optical module of light emission instruction signal
CN108668420B (en) * 2018-05-23 2020-04-03 青岛海信宽带多媒体技术有限公司 Control circuit and optical module of luminous indicating signal
CN110208673A (en) * 2019-06-12 2019-09-06 电子科技大学 A kind of power tube gate source voltage undervoltage detection circuit suitable for DC-DC converter
CN110208673B (en) * 2019-06-12 2021-04-23 电子科技大学 Power tube grid source voltage under-voltage detection circuit suitable for DC-DC converter

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