Charging and discharging circuit of flashlight and implementation method thereof
A flashlight, charging and discharging technology, applied in the field of flashlights, can solve the problems of inconvenient dimming of flashlights, etc.
Inactive Publication Date: 2013-12-04
四川圣寰科技有限公司
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Problems solved by technology
[0005] The purpose of the present invention is to overcome the technical problem of inconvenient dimming of flash lamps in the prior art, and to provide a flash lamp charging and discharging circuit and its implementation method for dimming according to the needs of users
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[0017] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0018] The invention discloses a flashlight charging and discharging circuit, which specifically includes a power supply, an oscillating boost circuit, a rectifier circuit, a charging circuit, a main power supply and a flash circuit, the power supply, an oscillating boost circuit, a rectifying circuit, a charging circuit, and a main power supply and the flashlight are connected in sequence, the present invention is characterized in that it also includes a communication controller, a first optocoupler, a second optocoupler, a third optocoupler, a fourth optocoupler, a discharge circuit and a microprocessor, the The communication controller is connected to the microprocessor, the first photocoupler, the second photocoupler, the third photocoupler, and the fourth photocoupler are respectively connected to the microprocessor, and the...
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The invention relates to the technical field of flashlights and discloses a charging and discharging circuit of a flashlight. The charging and discharging circuit of the flashlight comprises a communication controller, four photoelectric couplers, a discharging circuit and a microprocessor, wherein the communication controller is connected to the microprocessor and is used for sending an outer control signal to the microprocessor; the four photoelectric couplers are connected to the microprocessor respectively; the first photoelectric coupler is connected to the flashlight and controls the flashlight to flash based on a command from the microprocessor; the second photoelectric coupler is connected to a main capacitor, acquires terminal voltage of the main capacitor and sends the terminal voltage to the microprocessor; the third photoelectric coupler is connected to the discharging circuit and controls the discharge or disconnection of the main capacitor based on a command from the microprocessor; the fourth photoelectric coupler is connected to the charging circuit and controls the charge or disconnection of the main capacitor based on a command from the microprocessor. The charging and discharging circuit of the flashlight controls the charging and discharging process of the main capacitor automatically based on an outer processing signal received by the communication controller. The invention also discloses an implementation method of the charging and discharging circuit.
Description
technical field [0001] The invention relates to the technical field of flash lamps, in particular to a charging and discharging circuit for flash lamps and an implementation method thereof. Background technique [0002] The flash can emit strong light in a short period of time. It is a photosensitive photography accessory. It is mostly used in low-light situations, especially in the studio. The role of the flash is very important. [0003] The flash lamp in the prior art includes: a power supply circuit, an oscillation circuit, a boost circuit, a rectification circuit, a charging circuit and a flash circuit, and the power supply circuit, the oscillation circuit, the boost circuit, the rectification circuit, the charging circuit and the flash circuit are sequentially connected. When the power circuit is turned on, an intermittent oscillation is formed by using the switching characteristics of the transistor in the oscillating circuit, so that the primary side of the booster c...
Claims
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IPC IPC(8): H05B37/02H02M3/07
Inventor 徐忠
Owner 四川圣寰科技有限公司