CN202737450U - Over-discharge protector of storage battery - Google Patents

Over-discharge protector of storage battery Download PDF

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Publication number
CN202737450U
CN202737450U CN201220201513.5U CN201220201513U CN202737450U CN 202737450 U CN202737450 U CN 202737450U CN 201220201513 U CN201220201513 U CN 201220201513U CN 202737450 U CN202737450 U CN 202737450U
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China
Prior art keywords
storage battery
relay
voltage
protector
voltage comparator
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Expired - Fee Related
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CN201220201513.5U
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Chinese (zh)
Inventor
叶春
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Sichuan Orient Software Science & Technology Co Ltd
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Sichuan Orient Software Science & Technology Co Ltd
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Priority to CN201220201513.5U priority Critical patent/CN202737450U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses an over-discharge protector of a storage battery. The over-discharge protector comprises a voltage comparator, an adjustable voltage regulator tube, a relay, a potentiometer, a light-emitting diode, a button switch, a storage battery, a first resistor, a second resistor, a capacitor and a diode. When the button switch is pressed, the storage battery supplies the power to a protection circuit, the relay is energized and attracted, and a contact of the relay is self-protected, and the storage battery and a load are switched on. After the button switch is released, the storage battery continuously supplies the power, simultaneously the light-emitting diode emits the light to represent the discharge state; when the storage battery discharges to the given final voltage, the comparator overturns, the relay is de-energized, the load and the protector are respectively disconnected with the storage battery, and the over-discharge is avoided. An external power supply is not needed, and the protector is energized by the storage battery protected by the protector, thus once the voltage of the storage battery is the given final voltage, the compositing of the storage battery, and the protection circuit are respectively switched off. The utility model has the advantages of simple structure, small volume, low cost, convenient use, and convenient popularization.

Description

蓄电池过放电保护器Battery over-discharge protector

技术领域 technical field

本实用新型涉及一种蓄电池的附加装置,尤其涉及一种蓄电池过放电保护器。  The utility model relates to an additional device of a battery, in particular to a battery over-discharge protector. the

背景技术 Background technique

蓄电池电压的下限值为放电终止电压,如果低于这一电压而继续放电,轻则性能下降,重则引起火灾。现有技术中的蓄电池过放电保护电路,需要另接电源,结构复杂、体积大、成本高。  The lower limit of the battery voltage is the end-of-discharge voltage. If the battery voltage is lower than this voltage and continues to discharge, the performance will decrease at least, and a fire will occur at the worst. The battery over-discharge protection circuit in the prior art requires an additional power supply, which has a complex structure, large volume, and high cost. the

发明内容 Contents of the invention

本实用新型的目的就在于为了解决上述问题而提供一种蓄电池过放电保护器。  The purpose of this utility model is to provide a battery over-discharge protector in order to solve the above problems. the

本实用新型通过以下技术方案来实现上述目的:  The utility model realizes above-mentioned purpose through following technical scheme:

本实用新型包括电压比较器、可调稳压管、继电器、电位器、发光二极管、按钮开关、蓄电池、第一电阻、第二电阻、电容和二极管,所述蓄电池的正极同时与所述按钮开关的第一端、所述继电器第一常开开关的第一端和所述继电器的第二常开开关的第一端连接,所述蓄电池的负极同时与用电器的负极、所述发光二极管的负极、所述电容的第一端、所述电压比较器的负极电源输入端、所述可调稳压管的正极和所述电位器的第一端连接,所述电位器的第二端同时与所述第一电阻的第一端、所述电压比较器的正极电源输入端、所述电容的第二端、所述二极管的负极、所述继电器的第一端、所述第二电阻的第一端、所述继电器第一常开开关的第二端和所述按钮开关的第二端连接,所述电位器的滑动端与所述电压比较器的负极信号输入端连接,所述第一电阻的第二端同时与所述可调稳压管的负极和所述电压比较器的正极信号输入端连接,所述电压 比较器的输出端同时与所述二极管的正极和所述继电器的第二端连接,所述第二电阻的第二端与所述发光二极管的正极连接,所述继电器的第二常开开关的第二端与所述用电器的正极连接。  The utility model comprises a voltage comparator, an adjustable voltage regulator tube, a relay, a potentiometer, a light-emitting diode, a button switch, a storage battery, a first resistor, a second resistor, a capacitor and a diode. The first end of the relay, the first end of the first normally open switch of the relay and the first end of the second normally open switch of the relay are connected, and the negative pole of the battery is connected with the negative pole of the consumer and the light emitting diode at the same time. The negative pole, the first end of the capacitor, the negative power supply input end of the voltage comparator, the positive pole of the adjustable voltage regulator tube are connected to the first end of the potentiometer, and the second end of the potentiometer is simultaneously and the first terminal of the first resistor, the positive power supply input terminal of the voltage comparator, the second terminal of the capacitor, the negative terminal of the diode, the first terminal of the relay, and the second resistor The first end, the second end of the first normally open switch of the relay are connected to the second end of the button switch, the sliding end of the potentiometer is connected to the negative signal input end of the voltage comparator, and the first end is connected to the negative signal input end of the voltage comparator. The second end of a resistor is connected with the negative pole of the adjustable voltage regulator tube and the positive pole signal input terminal of the voltage comparator at the same time, and the output terminal of the voltage comparator is connected with the positive pole of the diode and the positive pole of the relay at the same time. connected to the second end, the second end of the second resistor is connected to the anode of the light emitting diode, and the second end of the second normally open switch of the relay is connected to the anode of the consumer. the

本实用新型的有益效果在于:  The beneficial effects of the utility model are:

本实用新型不需要外接电源,而由被保护的蓄电池供电,一旦达到放电终止电压,蓄电池的复合及保护电路均被切断,且本实用新型结构简单、体积小、成本低、使用方便,便于推广。  The utility model does not need an external power supply, but is powered by the protected storage battery. Once the discharge termination voltage is reached, the composite and protection circuits of the storage battery are cut off. The utility model is simple in structure, small in size, low in cost, convenient to use, and easy to popularize . the

附图说明 Description of drawings

图1是本实用新型的电路结构原理图。  Fig. 1 is the schematic diagram of the circuit structure of the utility model. the

具体实施方式 Detailed ways

下面结合附图对本实用新型作进一步说明:  Below in conjunction with accompanying drawing, the utility model is further described:

如图1所示:本实用新型包括电压比较器IC1、可调稳压管IC2、继电器RL、电位器W、发光二极管LED、按钮开关SW、蓄电池、第一电阻R1、第二电阻R2、电容C和二极管D,蓄电池的正极同时与按钮开关SW的第一端、继电器RL第一常开开关的第一端和继电器RL的第二常开开关的第一端连接,蓄电池的负极同时与用电器的负极、发光二极管LED的负极、电容C的第一端、电压比较器IC1的负极电源输入端、可调稳压管IC2的正极和电位器W的第一端连接,电位器W的第二端同时与第一电阻R1的第一端、电压比较器IC1的正极电源输入端、电容C的第二端、二极管D的负极、继电器RL的第一端、第二电阻R2的第一端、继电器RL第一常开开关的第二端和按钮开关SW的第二端连接,电位器W的滑动端与电压比较器IC1的负极信号输入端连接,第一电阻R1的第二端同时与可调稳压管IC2的负极和电压比较器IC1的正极信号输入端连接,电压比较器IC1的输出端同时与二极管D的正极和继电器RL的第 二端连接,第二电阻R2的第二端与发光二极管LED的正极连接,继电器RL的第二常开开关的第二端与用电器的正极连接。  As shown in Figure 1: the utility model includes a voltage comparator IC1, an adjustable voltage regulator IC2, a relay RL, a potentiometer W, a light-emitting diode LED, a button switch SW, a storage battery, a first resistor R1, a second resistor R2, a capacitor C and diode D, the positive pole of the battery is connected to the first end of the button switch SW, the first end of the first normally open switch of the relay RL and the first end of the second normally open switch of the relay RL at the same time, and the negative pole of the battery is simultaneously connected to the The negative pole of the electrical appliance, the negative pole of the light-emitting diode LED, the first end of the capacitor C, the negative power supply input end of the voltage comparator IC1, the positive pole of the adjustable voltage regulator IC2 are connected to the first end of the potentiometer W, and the first end of the potentiometer W The two terminals are simultaneously connected with the first terminal of the first resistor R1, the positive power supply input terminal of the voltage comparator IC1, the second terminal of the capacitor C, the negative pole of the diode D, the first terminal of the relay RL, and the first terminal of the second resistor R2 1. The second terminal of the first normally open switch of the relay RL is connected with the second terminal of the button switch SW, the sliding terminal of the potentiometer W is connected with the negative signal input terminal of the voltage comparator IC1, and the second terminal of the first resistor R1 is connected with the The negative pole of the adjustable voltage regulator IC2 is connected to the positive signal input terminal of the voltage comparator IC1, the output terminal of the voltage comparator IC1 is connected to the positive pole of the diode D and the second terminal of the relay RL at the same time, and the second terminal of the second resistor R2 It is connected with the anode of the light-emitting diode LED, and the second end of the second normally open switch of the relay RL is connected with the anode of the consumer. the

如图1所示:以12V蓄电池作为保护对象,也可用于其他电压的蓄电池保护,电压比较器IC1的同相输入端接5V基准电压,这一电压由可调稳压器IC2提供,反相输入端通过电位器W接被保护蓄电池端电压,电位器W用于保护电压的调整,这里调至12V蓄电池的放电终止电压10V;当按下按钮开关SW时,蓄电池给保护电路供电,继电器RL得电吸合,其触点自保的同时,也将蓄电池和负荷接通,松开按钮开关SW后,蓄电池继续供电,同时发光二极管LED发光,表示处于放电状态;当蓄电池放电至设定的终止电压(10V)后,比较器翻转,继电器失电,负荷及保护器均与蓄电池断开,避免了过放电。  As shown in Figure 1: the 12V battery is used as the protection object, and it can also be used for battery protection of other voltages. The non-inverting input terminal of the voltage comparator IC1 is connected to the 5V reference voltage, which is provided by the adjustable voltage regulator IC2, and the inverting input The terminal is connected to the terminal voltage of the protected battery through the potentiometer W, and the potentiometer W is used to adjust the protection voltage. Here, it is adjusted to the end-of-discharge voltage of the 12V battery at 10V; when the button switch SW is pressed, the battery supplies power to the protection circuit, and the relay RL gets When the contact is self-protected, it also connects the battery and the load. After the button switch SW is released, the battery continues to supply power, and the light-emitting diode LED lights up at the same time, indicating that it is in a discharge state; when the battery discharges to the set end After the voltage (10V), the comparator reverses, the relay loses power, the load and the protector are disconnected from the battery, and over-discharge is avoided. the

Claims (1)

1. accumulator over discharging protector; it is characterized in that: comprise voltage comparator; adjustable voltage-stabiliser tube; relay; potentiometer; light-emitting diode; push-button switch; storage battery; the first resistance; the second resistance; electric capacity and diode; the anodal while of described storage battery and the first end of described push-button switch; the first end of described relay the first normal open switch be connected the first end of the second normal open switch of relay and connect; the negative pole while of described storage battery and the negative pole of electrical appliance; the negative pole of described light-emitting diode; the first end of described electric capacity; the negative power supply input of described voltage comparator; the positive pole of described adjustable voltage-stabiliser tube be connected the first end of potentiometer and connect; the second end while of described potentiometer and the first end of described the first resistance; the cathode power supply input of described voltage comparator; the second end of described electric capacity; the negative pole of described diode; the first end of described relay; the first end of described the second resistance; the second end of described relay the first normal open switch be connected the second end of push-button switch and connect; the sliding end of described potentiometer is connected with the negative signal input of described voltage comparator; the second end of described the first resistance simultaneously with the negative pole of described adjustable voltage-stabiliser tube be connected the positive signal input of voltage comparator and be connected; the output of described voltage comparator simultaneously with the positive pole of described diode be connected the second end of relay and be connected; the second end of described the second resistance is connected with the positive pole of described light-emitting diode, and the second end of the second normal open switch of described relay is connected with the positive pole of described electrical appliance.
CN201220201513.5U 2012-05-08 2012-05-08 Over-discharge protector of storage battery Expired - Fee Related CN202737450U (en)

Priority Applications (1)

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CN201220201513.5U CN202737450U (en) 2012-05-08 2012-05-08 Over-discharge protector of storage battery

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104065043A (en) * 2013-03-21 2014-09-24 海洋王(东莞)照明科技有限公司 Battery undervoltage protection and display circuit
CN104184131A (en) * 2013-05-27 2014-12-03 深圳市海洋王照明工程有限公司 Alarm circuit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104065043A (en) * 2013-03-21 2014-09-24 海洋王(东莞)照明科技有限公司 Battery undervoltage protection and display circuit
CN104065043B (en) * 2013-03-21 2017-02-22 海洋王(东莞)照明科技有限公司 Battery under-voltage protection and display circuit
CN104184131A (en) * 2013-05-27 2014-12-03 深圳市海洋王照明工程有限公司 Alarm circuit
CN104184131B (en) * 2013-05-27 2017-06-23 深圳市海洋王照明工程有限公司 A kind of warning circuit

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130213

Termination date: 20130508