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Over-current protection buffering-type emergency lamp circuit

An emergency light and overcurrent technology, applied in the direction of electric light circuit layout, electric light source, electrical components, etc., can solve the problems of high cost of control circuit, inconvenient maintenance and repair, and many electronic components, and achieve simple structure, reasonable structure design, The effect of protecting electronic components

Inactive Publication Date: 2018-02-09
CHENGDU SAIPUQI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the structure of the control circuit used for emergency lights is relatively complicated, and more electronic components are used, which makes the cost of the control circuit higher, and it is not easy to maintain and repair

Method used

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  • Over-current protection buffering-type emergency lamp circuit
  • Over-current protection buffering-type emergency lamp circuit

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Embodiment

[0019] Such as figure 1 , 2 As shown, the overcurrent protection buffer type emergency light circuit of the present invention is mainly composed of a constant current source circuit, a diode rectifier U, an operational amplifier P1, a triode VT1, a triode VT2, a triode VT3, a storage battery GB, an emergency light BL, a switch KA, and a capacitor Composed of C1, capacitor C2, capacitor C3, capacitor C4, resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, sliding rheostat RP, Zener diode D1, diode D2 and diode D3. Wherein, the storage battery GB adopts a 6V storage battery, and the emergency light BL adopts a 6V, 0.3A lighting lamp.

[0020] When connected, the anode of the capacitor C1 and one input terminal of the diode rectifier U jointly form a power supply input terminal, and its cathode is connected with the other input terminal of the diode rectifier U. The power supply used in the present invention is 220V commercial power. The resistor R1 is...

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Abstract

The present invention discloses an over-current protection buffering-type emergency lamp circuit. The circuit comprises a constant current source circuit, a diode rectifier U, an operational amplifierP1, a triode VT1, a triode VT2, a triode VT3, a battery GB, a emergency lamp BL, a switch KA, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a resistor R1, a resistor R2, a resistorR3, a resistor R4, a resistor R5, a resistor R6, a sliding rheostat RP, a zener diode D1, a diode D2 and a diode D3. The circuit has the advantages of simple structure, low cost and convenience for maintenance. The structure design of the circuit is reasonable, when urban power supply can be used normally, the urban power supply charges the battery GB, and when the urban power supply is cut off, the battery GB can supply power, so that the emergency lamp BL is lighted automatically, i.e., the emergency lamp BL can perform emergency lighting. The circuit is suitable for popularization and application.

Description

technical field [0001] The invention relates to an overcurrent protection buffer type emergency light circuit. Background technique [0002] Emergency light is a device that can be illuminated after the normal power supply is cut off or the power is cut off due to fire accidents. Although emergency lights are not often used, they are essential in modern buildings. At present, domestic power supply is relatively sufficient, and emergency lights are rarely used. Therefore, regular inspection and maintenance of emergency lights is required to ensure that emergency lights can be used normally. At present, the structure of the control circuit used for emergency lights is relatively complicated, and many electronic components are used, which makes the cost of the control circuit relatively high, and is not easy to maintain and repair. Contents of the invention [0003] The purpose of the present invention is to provide an overcurrent protection buffer type emergency light circu...

Claims

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Application Information

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IPC IPC(8): H05B37/02
CPCH05B47/10
Inventor 余泓德
Owner CHENGDU SAIPUQI TECH CO LTD
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