CN209765239U - LED flash lamp for photography - Google Patents
LED flash lamp for photography Download PDFInfo
- Publication number
- CN209765239U CN209765239U CN201920840344.1U CN201920840344U CN209765239U CN 209765239 U CN209765239 U CN 209765239U CN 201920840344 U CN201920840344 U CN 201920840344U CN 209765239 U CN209765239 U CN 209765239U
- Authority
- CN
- China
- Prior art keywords
- flash
- module
- circuit
- energy storage
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model relates to a photographic light technical field, concretely relates to LED flash light is used in photography, it includes: the power module, the flash control module and the LED lamp set are connected in sequence according to the current flowing direction; the flash control module includes: the capacitive energy storage circuit is used for storing electric energy; the charging circuit is respectively connected with the power supply module and the capacitive energy storage circuit and is used for charging the capacitive energy storage circuit; and the flash control circuit is respectively connected with the charging circuit and the capacitive energy storage circuit and is used for sending a charging control instruction to the charging circuit or controlling the capacitive energy storage circuit to output voltage to the LED lamp bank. The utility model discloses a LED flash of light can send the flash of light that maximum brightness is higher than the quadruple of rated maximum brightness or above high brightness in the twinkling of an eye, and it has satisfied the demand of photography flash of light, makes it can regard as neotype photography flash of light to use.
Description
Technical Field
The utility model relates to a photographic light technical field, concretely relates to LED flash light is used in photography.
Background
the LED lamp has the advantages of low power consumption, long service life, small volume and the like, and is widely applied to various illumination occasions in life; in photography occasions such as a movie building, people often use LED lamps to carry out photography supplementary lighting.
in the prior art, LED lamps are used only for illumination in the photographic field; although the existing part of LED lamps can achieve the stroboscopic effect by frequently switching the switch states; however, since the output brightness of the flash lamp is equal to the brightness of the flash lamp in normal operation, the flash lamp cannot instantaneously increase the output brightness, and thus cannot meet the requirement of flash lamp.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned drawbacks, an object of the present invention is to provide a photographic LED light that can increase the luminance output function in the twinkling of an eye.
The purpose of the utility model is realized through the following technical scheme:
The utility model relates to a photographic LED flash light of using, include:
The power module, the flash control module and the LED lamp set are connected in sequence according to the current flowing direction;
The flash control module includes:
The capacitive energy storage circuit is used for storing electric energy;
The charging circuit is respectively connected with the power supply module and the capacitive energy storage circuit and is used for charging the capacitive energy storage circuit at a set charging voltage according to a charging control instruction; the maximum value of the charging voltage is greater than the rated voltage of the LED lamp group;
and the flash control circuit is respectively connected with the charging circuit and the capacitive energy storage circuit and is used for sending a charging control instruction to the charging circuit or controlling the capacitive energy storage circuit to output voltage to the LED lamp bank.
The utility model discloses in, photographic LED flash light still includes:
the signal input module is used for inputting a control signal;
the normally-on control module is connected with the LED lamp bank and used for driving the LED lamp bank at rated voltage;
the main control module is respectively connected with the power supply module, the flashing control module, the normally-on control module and the signal input module and used for selectively sending a control instruction to the flashing control module or the normally-on control module according to an input control signal.
The utility model discloses in, signal input module includes:
The key signal input unit is used for inputting a control signal by a user through a key;
the wireless signal input unit is connected with external control equipment and used for receiving a control signal sent by the external control equipment.
the utility model discloses in, be connected with display module on the main control module, display module is used for to input extremely control signal on the main control module or the control command that main control module sent shows.
the utility model discloses in, the LED banks includes: LED lamp pearl, radiator and radiator fan.
In the present invention, the flash control module further includes:
the discharge circuit is respectively connected with the flash control circuit and the capacitor energy storage circuit and is used for controlling the discharge of the capacitor energy storage circuit according to a discharge control instruction sent by the flash control circuit;
And the voltage detection circuit is connected with the capacitive energy storage circuit and is used for detecting the voltage value in the capacitive energy storage circuit.
the utility model discloses in, power module is commercial power module or lithium cell power module.
The utility model discloses a LED flash light is saved certain electric quantity through electric capacity energy storage circuit, when needs carry out the flash of light, exports the electric quantity of storage to the LED banks in the lump for the LED banks can send out the flash of light that is higher than rated power's hi-lite in the twinkling of an eye, and it has satisfied the demand of photographic flash light, makes it can regard as neotype photographic flash light to use.
Drawings
for the purpose of illustration, the invention is described in detail with reference to the following preferred embodiments and the accompanying drawings.
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention;
Fig. 2 is a schematic circuit diagram of a flash control module according to the present invention;
fig. 3 is a schematic circuit diagram of a flash control module according to the present invention;
Fig. 4 is a schematic circuit diagram of another embodiment of the present invention.
description of reference numerals: 100. a power supply module; 200. a flash control module; 210. a capacitive storage circuit; 220. a charging circuit; 230. a flash control circuit; 240. a discharge circuit; 300. an LED lamp group; 400. a signal input module; 500. a normally-on control module; 600. a main control module; 700. and a display module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
An embodiment of the present invention will be described in detail below with reference to fig. 1 to 3, which include:
the power module 100, the flash control module 200 and the LED lamp group 300 are connected in sequence according to the current flowing direction;
The flash control module 200 includes:
A capacitive storage circuit 210, the capacitive storage circuit 210 being configured to store electrical energy; the capacitive storage circuit 210 is composed of capacitors C1, C2 connected in parallel;
the charging circuit 220 is respectively connected to the power module 100 and the capacitor energy storage circuit 210, and is configured to charge the capacitor energy storage circuit 210 with a set charging voltage according to a charging control instruction; the charging voltage is greater than the rated voltage of the LED lamp set 300; the charging circuit 220 comprises MOS transistors Q1 and Q4, a triode Q7 and resistors R3 and R16;
The flash control circuit 230 is connected to the charging circuit 220, the capacitor energy storage circuit 210 and the LED lamp set 300, and is configured to send a charging control instruction to the charging circuit 220, or control the capacitor energy storage circuit 210 to output a voltage to the LED lamp set 300; the flash control circuit 230 consists of MOS tubes Q2 and Q3, a triode Q8 and resistors R3, R9, R20 and R21;
the discharging circuit 240 is respectively connected with the flash control circuit 230 and the capacitor energy storage circuit 210, and is used for controlling the capacitor energy storage circuit 210 to be discharged according to a discharging control instruction sent by the flash control circuit 230; wherein, the function of the discharging circuit 240 is realized by discharging the energy storage capacitor in the capacitor energy storage circuit 210 through the discharging circuit 240 when the flash brightness output needs to be reduced under the current power; the discharge circuit consists of triodes Q5, Q6 and R4 and resistors R7, R10, R12, R15, R18 and R19;
and the voltage detection circuit is connected with the capacitive energy storage circuit 210 and is used for detecting the voltage value in the capacitive energy storage circuit 210. The resistors R2, R6 and R11 form part of a voltage detection circuit, and the diodes D1 and D2 are used for preventing the capacitor from being charged when the voltage of the capacitor is lower than the voltage of the LED during normal lighting, so that the LED is interfered and jitters.
When the LED flash lamp for photography of the present invention works, the flash control circuit sends a charging control command to the charging circuit 220, and the charging circuit 220 drives the power module 100 to charge the capacitor energy storage circuit 210; wherein, the charging voltage of the capacitive storage circuit 210 is determined by the charging control instruction of the flash control circuit; when high-power flash needs to be generated, the flash control circuit drives the capacitor energy storage circuit 210 to transmit all the stored electric quantity to the LED lamp group 300 in a very short time, so that the brightness of lamp beads in the LED lamp group 300 can reach more than four times of the brightness of the normal operation of the LED lamp group instantly, and the flash effect of the conventional xenon flash lamp is achieved.
referring to fig. 4, in another embodiment, the LED flash for photography further includes:
a signal input module 400, wherein the signal input module 400 is used for inputting a control signal;
the normally-on control module 500 is connected with the LED lamp set 300, and is configured to drive the LED lamp set 300 at a rated voltage;
The main control module 600 (MCU) is connected to the power module 100, the flash control module 200, the constant lighting control module 500, and the signal input module 400, and is configured to selectively send a control command to the flash control module 200 or the constant lighting control module 500 according to an input control signal. The flash big and small gears can be realized by controlling the charging control circuit through the main control module 600, the voltage of the energy storage capacitor is charged higher when the big gear is big, the voltage of the small gear is charged lower, and when the big gear is shifted to the small gear, the discharge circuit can discharge to reach the required voltage, so that the flash gears are reduced.
in this embodiment, the LED flash for photography has two working modes, namely, a normally-on illumination mode and a flash mode, and a user inputs a control signal through the signal input module 400 to select the working mode; the main control module 600 selectively drives the normally-on control module 500 or the flash control circuit according to the input control signal, and drives the normally-on control module 500 when the user selects the normally-on illumination mode, so that the LED lamp beads are normally on at a rated voltage, and the LED lamp beads are suitable for illumination work during daily shooting and shooting; when the user selects the flash mode, the flash control module 200 is driven, so that the LED lamp can flash at four times or more of brightness at the maximum power, and can be used as a photographic flash lamp. Because this LED flash light has two kinds of different mode, a lamp has the flashing simultaneously and often brightens the function of illumination promptly for the user no longer need prepare the lamp of two kinds of different functions simultaneously when shooing, has greatly reduced photographic user's economic burden, is favorable to the popularization of product on market.
In the present invention, the signal input module 400 includes:
the key signal input unit is used for inputting a control signal by a user through a key; the user can input and set control signals such as working modes, working parameters and the like of the device through a key signal input unit arranged on the device body;
The wireless signal input unit is connected with an external control device and used for receiving a control signal sent by the external control device, the external control device can comprise a camera, a wireless trigger and the like, the camera or the wireless trigger can be connected with the wireless signal input unit through a wireless network such as Bluetooth, working parameters and working modes are set on the camera, when a shutter of the camera is triggered, the camera can also generate the control signal, the LED flash lamp flashes through the wireless trigger, and the flash light supplement function of synchronously photographing the shutter of the camera 1/8000 can be easily realized.
the utility model discloses in, be connected with display module 700 on the main control module 600, display module 700 be used for to input extremely control signal on the main control module 600 or the control command that main control module 600 sent shows.
In the present invention, the LED lamp set 300 includes: LED lamp pearl, radiator and radiator fan.
In the present invention, the power module 100 is a commercial power module or a lithium battery power module.
In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. an LED flash for photography, comprising: the power module, the flash control module and the LED lamp set are connected in sequence according to the current flowing direction;
The flash control module includes:
The capacitive energy storage circuit is used for storing electric energy;
the charging circuit is respectively connected with the power supply module and the capacitive energy storage circuit and is used for charging the capacitive energy storage circuit at a set charging voltage according to a charging control instruction; the maximum value of the charging voltage is greater than the rated voltage of the LED lamp group;
and the flash control circuit is respectively connected with the charging circuit and the capacitive energy storage circuit and is used for sending a charging control instruction to the charging circuit or controlling the capacitive energy storage circuit to output voltage to the LED lamp bank.
2. the LED flash for photography according to claim 1, further comprising:
The signal input module is used for inputting a control signal;
the normally-on control module is connected with the LED lamp bank and used for driving the LED lamp bank at rated voltage;
the main control module is respectively connected with the power supply module, the flashing control module, the normally-on control module and the signal input module and used for selectively sending a control instruction to the flashing control module or the normally-on control module according to an input control signal.
3. The LED flash for photography of claim 2, wherein the signal input module comprises:
The key signal input unit is used for inputting a control signal by a user through a key;
The wireless signal input unit is connected with external control equipment and used for receiving a control signal sent by the external control equipment.
4. the LED flash lamp for photography according to claim 3, wherein a display module is connected to the main control module, and the display module is configured to display a control signal input to the main control module or a control command sent by the main control module.
5. The photographic LED flash of claim 4, wherein the LED light bank comprises: LED banks, radiator and radiator fan.
6. The LED flash for photography according to claim 5, wherein the flash control module further comprises:
The discharge circuit is respectively connected with the flash control circuit and the capacitor energy storage circuit and is used for controlling the discharge of the capacitor energy storage circuit according to a discharge control instruction sent by the flash control circuit;
and the voltage detection circuit is connected with the capacitive energy storage circuit and is used for detecting the voltage value in the capacitive energy storage circuit.
7. The photographic LED flash lamp of claim 6, wherein the power module is a mains power module or a lithium battery power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840344.1U CN209765239U (en) | 2019-06-03 | 2019-06-03 | LED flash lamp for photography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840344.1U CN209765239U (en) | 2019-06-03 | 2019-06-03 | LED flash lamp for photography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209765239U true CN209765239U (en) | 2019-12-10 |
Family
ID=68745338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920840344.1U Active CN209765239U (en) | 2019-06-03 | 2019-06-03 | LED flash lamp for photography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209765239U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442402A (en) * | 2022-01-25 | 2022-05-06 | 维沃移动通信有限公司 | Flash lamp circuit, control method, electronic device and readable storage medium |
-
2019
- 2019-06-03 CN CN201920840344.1U patent/CN209765239U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442402A (en) * | 2022-01-25 | 2022-05-06 | 维沃移动通信有限公司 | Flash lamp circuit, control method, electronic device and readable storage medium |
| CN114442402B (en) * | 2022-01-25 | 2024-05-03 | 维沃移动通信有限公司 | Flash lamp circuit, control method, electronic device, and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017211074A1 (en) | Solar red dot sight | |
| CN209765239U (en) | LED flash lamp for photography | |
| CN212519502U (en) | Remote controller control circuit, circuit board and remote controller | |
| WO2023015742A1 (en) | Illumination control circuit, illumination apparatus, and illumination control method | |
| CN106712200A (en) | Automotive starting power supply based on super-capacitors | |
| US20090153096A1 (en) | Power Switching Apparatus for Natural Energy Power Supply | |
| CN211580263U (en) | Single live wire switch circuit and single live wire switch | |
| JPS5939687Y2 (en) | Charging completion indicator for camera strobe device | |
| CN113966052A (en) | Intelligent control circuit | |
| JP2010122336A (en) | Strobe circuit | |
| CN103428971A (en) | Charging and discharging circuit of flashlight and implementation method thereof | |
| CN219554652U (en) | Multipurpose energy storage power supply, charging pile and vehicle | |
| CN212226885U (en) | Automatic rotary opening type emergency lighting lamp | |
| CN210518931U (en) | Solar lamp control circuit | |
| CN216981536U (en) | Capacitor module voltage equalization circuit and system thereof | |
| CN210093627U (en) | Single-live-wire wireless switch based on double-control principle | |
| CN219346258U (en) | Multifunctional flashlight with adjustable battery capacity | |
| CN218388026U (en) | Control circuit for walking stick and walking stick thereof | |
| JPS595855Y2 (en) | flash camera | |
| CN217789288U (en) | Working lamp circuit and working lamp thereof | |
| CN217985462U (en) | Battery identification circuit for gun lamp and gun lamp thereof | |
| CN210518930U (en) | LED emergency lamp | |
| CN218735088U (en) | Multi-mode charging emergency lamp circuit and lighting equipment | |
| CN103491679B (en) | A kind of high-power LED flashlight | |
| CN216820156U (en) | Dimming control circuit and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |