CN207396943U - Small-power is focused and the LED light light control device of high-power flash of light switching control - Google Patents
Small-power is focused and the LED light light control device of high-power flash of light switching control Download PDFInfo
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- CN207396943U CN207396943U CN201720583788.2U CN201720583788U CN207396943U CN 207396943 U CN207396943 U CN 207396943U CN 201720583788 U CN201720583788 U CN 201720583788U CN 207396943 U CN207396943 U CN 207396943U
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Abstract
A kind of small-power focusing and the LED light light control device of high-power flash of light switching control, the device is equipped with circular LED seat, on the anchor ring on front side of the LED seat two kinds of different colours of multiple displays and luminosity LED lamp bead have been alternatively arranged along peripheral direction, LED seat top is equipped with battery compartment and is connected to the master controller of battery compartment one side, the master controller includes governor circuit and the optical signal conversion circuit being attached thereto, the optical signal conversion circuit is equipped with photosensitive sensor PT, and photosensitive sensor PT is connected with the optical fiber cable introduced on the outside of master controller.The utility model can be provided shooting with the strong light of high power and used up with low-power dim light auxiliary focusing, and work mean power is small, and cruising time is long, good heat dissipation effect, at low cost.
Description
【Technical field】
The utility model is related to the LED light photocontrols of underwater photography equipment, can be carried out automatically under water more particularly to one kind
Small-power is focused and the LED light light control device of high-power flash of light switching control.
【Background technology】
At present, underwater photography has attracted numerous fans to participate in its novel, stimulation, mystery.Yet under water into
Picture environment is sufficiently complex and visibility is extremely low, and it is relatively difficult to obtain blur-free imaging.Therefore, floor light light source is selected and controlled then
As the key of underwater photography.At present, for the required floor light of underwater photography generally using two ways, one kind is using xenon
The flash lamp of gas pulse Discharge illuminating, using the glittering light of phase power traction, cooperation camera is taken pictures light filling.The shortcoming of this mode exists
In, it can only shine moment, and cannot be with continuous illumination for focusing, and since equipment is generally using dry cell, cause to make
Few with guide number, service life is short.Another kind is LED high power lighting lamp floor lights, it is a kind of with continuous illumination
Mode reaches the auxiliary lighting method for shooting required ambient brightness, it usually needs LED illumination lamp always works at high-power
Under operating mode, such working method causes the time effectively to work to greatly shorten, and the caloric value of this large-power lamp is big, needs
The volume of bigger is wanted to radiate, therefore product cost is high.Therefore, the flash lamp that is either shone using gas pulses or use
Technology of the great power LED as floor light of taking pictures, short there are effective storage life, equipment use cost is high, complicated for operation
The shortcomings that.
【The content of the invention】
It is strong with high power the purpose of the utility model is to solve the above problems and to provide one kind with low-power dim light auxiliary focusing
Light provides shooting and uses up, and work mean power is small, and cruising time is long, good heat dissipation effect, underwater automatic small-power at low cost
Focusing and the LED light light control device of high-power flash of light switching control.
To realize the purpose of this utility model, the utility model provides a kind of small-power focusing and high-power flash of light switching
The LED light light control device of control, the LED light light control device are equipped with LED seat, and the LED seat is annular shape, described
Multiple LED lamp beads are alternatively arranged along peripheral direction on anchor ring on front side of LED seat, multiple LED lamp beads include two kinds
It shows the lamp bead of different colours and luminosity, battery compartment is equipped on the LED seat top and is connected to battery compartment one side
Master controller, the master controller include governor circuit and the optical signal conversion circuit being attached thereto, the optical signal conversion electricity
Road is equipped with photosensitive sensor PT, and photosensitive sensor PT is connected with the optical fiber cable by being introduced on the outside of master controller, and
After the control device opens power supply, under governor circuit control, the LED lamp bead of part is with the dim light of low-power
It is illuminated, the focusing of auxiliary photo-taking equipment, after the completion of focusing, when pressing photographing device shutter, the flash lamp hair of photographing device
The flashing signal gone out reaches the photosensitive sensor PT through the optical fiber cable, and the optical signal conversion circuit is by photosensitive sensor PT
The optical signal of reception is converted into electric signal transmission to governor circuit, and required LED lamp bead is controlled to send the high power of shooting setting
Qiang Guang.
The LED seat is equipped with the inner ring surface to match with photographing device camera lens, is set on the anchor ring of the front side of the LED seat
There are multiple LED lamp beads, Packed transparent protection lampshade is set in the LED seat forward exterior, the LED seat
Rear side is equipped with the bayonet ring of the connection camera of protrusion.
The master controller is externally provided with cylindrical outer casing, is integrally formed or is connected at the top of LED seat, in the cylindrical outer casing
Top is equipped with the first button and the second button, and the tubular connecting portion being connected with battery compartment, the tubular are equipped in cylindrical outer casing one end
Connecting portion is connected with battery compartment by thread seal, and at least one sealing ring is housed in the connecting portion.
The LED seat is with being equipped with the bulb being connected with photographing device on the outside of the cylindrical outer casing engaging portion.
The governor circuit includes main control chip U 1, switching transistor Q3, switching transistor Q4 and LED lamp bead R, LED light
Pearl W, wherein, one end of the switching transistor Q3 is connected with LED lamp bead W, and the other end is through resistance R12, resistance R13 and master control
Chip U 1 is connected, and one end of the switching transistor Q4 is connected with LED lamp bead R, the other end through resistance R14, resistance R15 with
Main control chip U 1 is connected, and main control chip U 1 controls switching transistor Q3, three poles of switch by output pulse width modulated signal
The brightness that the on or off of pipe Q4 adjusts LED lamp bead R and LED lamp bead W is strong and weak.
The optical signal conversion circuit includes conversion chip U3, photosensitive sensor PT, resistance R18, resistance R21, resistance
R23, switching transistor Q5, switching transistor Q6 and capacitance C5, wherein, the photosensitive sensor PT through resistance R21, resistance R23,
Switching transistor Q6 and capacitance C5 are connected with the input terminal of conversion chip U3, and the output terminal of conversion chip U3 is through resistance R22, switch
Triode Q5 is connected with main control chip U1, and high level or low level signal are sent to main control chip U1.
The main control chip U1 is connected through switching transistor Q1, diode D1 with DC power supply BATT.
The contribution of the utility model is, efficiently solves existing take pictures and is effectively used existing for servicing lighting
Time is short, and equipment use cost is high, it is complicated for operation the defects of.The utility model is by making part LED light be operated in small-power work
Under condition, focused by the light auxiliary camera of some strength, and when pressing camera shutter, other LED light is made to be operated in big work(
Under rate operating mode, and moment improves whole LED light luminous powers, meets the brightness needs of shooting, obtains and is illuminated with continuous wave high power
The underwater photography picture of identical visual effect is still returned under small-power operating mode after the completion of shooting and worked.Therefore, the utility model
The mean power of Light Control Unit work is smaller, can increase cruising time under conditions of equal battery capacity, equal
Simplify heat dissipation design under the conditions of the LED specifications of maximum brightness, it is cost-effective.
【Description of the drawings】
Fig. 1 is the structural upright schematic diagram of the utility model.
Fig. 2 is the component exploded perspective schematic diagram of the utility model.
Fig. 3 is the structure diagram of the connection optical fiber side of the utility model.
Fig. 4 is the sectional view of the utility model.
Fig. 5 is the overall structure block diagram of the utility model.
Fig. 6 is the circuit diagram of the utility model.
【Specific embodiment】
The following example is being explained further and illustrate to the utility model, does not form any limit to the utility model
System.
As shown in Figure 1 to 4, the underwater of the utility model can be achieved to automatically switch small-power focusing and high-power flash of light
LED light light control device includes LED seat 10, battery compartment 20, master controller 30, cylindrical outer casing 40 and LED lamp bead 50.
As shown in Figure 1 to 4, the LED seat 10 is circular ring shape, and center is equipped with inner ring surface 11, the inner ring surface 11
Internal diameter matches with camera lens.The front end anchor ring of the LED seat 10 is alternatively arranged equipped with multiple along anchor ring circumferencial direction
LED lamp bead 50, the LED lamp bead 50 can according to actual photographed need increase or decrease.In the present embodiment, set on the anchor ring
There are 32 along the spaced LED lamp bead of anchor ring, but the quantity of LED lamp bead is not limited to this, it can be according to actual photographed
It needs to increase or decrease.The LED lamp bead is installed in the LED circuit board 15 of annular, wherein four are white light LEDs lamp bead W,
White light LEDs lamp bead W is arranged along anchor ring cruciform symmetry, remaining 28 are red-light LED lamp bead R, in the LED circuit board 15 be equipped with it is more
A screw hole, LED circuit board 15 are fixed with screw through the multiple screw hole and LED seat 10.The forward exterior of the LED seat 10
Connect and fix Packed transparent protection lampshade 12.To prevent into water, in transparent protection lampshade 12 and the connecting portion of LED seat 10
Position is equipped with sealing ring, which can be made of plastics or organic glass.Outside the LED seat 10 and the tubular
Be equipped with the bulb 14 being connected with photographing device on the outside of shell engaging portion, the bulb 14 include sphere 141 and with 141 one of sphere
Connecting rod 142, the nose threads of connecting rod 142 are connected to LED seat 10 and the cylindrical outer casing engaging portion, and bulb 14 can pass through
Ball chuck circumsphere head lamp arm is connected on photographing device.Outwardly bayonet ring 13, the bayonet are equipped in 10 rear side of LED seat
Ring 13 is screwed in LED seat 10, and the LED light light control device of the utility model is connected to by the bayonet ring 13
Camera lens forepart.
In Fig. 1~Fig. 4, cylindrical outer casing 40 is equipped on 10 top of LED seat, which can be with LED seat 10 1
It is body formed or be formed by connecting, it is used to install the master controller 30.One end of the cylindrical outer casing 40 is equipped with end cap 42, the end
42 center of lid is equipped with optical fiber introduction hole 421, photosensitive biography of the optical fiber cable through the optical fiber introduction hole 421 and in cylindrical outer casing 40
Sensor PT is connected, and the other end of optical fiber cable is connected to the built-in flash of photographing device.40 top of cylindrical outer casing is equipped with first
411 and second button 412 of button is used to carry out manual gear adjustment to LED lamp bead luminosity.The cylindrical outer casing 40
The other end is equipped with tubular connecting portion 41, which is connected with battery compartment 20 by thread seal, in the present embodiment,
The connecting portion of tubular connecting portion 41 and battery compartment 20 is set there are two sealing ring, is entered with waterproof.The battery compartment 20 is also circle
Tubular, in can install lithium battery for LED lamp bead power supply.
As shown in Figure 1 to 4, master controller 30 is equipped in the cylindrical outer casing 40, the master controller 30 includes master
Control circuit 31 and the optical signal conversion circuit 32 being attached thereto.
As shown in fig. 6, the governor circuit 31 include main control chip U 1, switching transistor Q3, switching transistor Q4 and
LED lamp bead R, LED lamp bead W.The main control chip U1 is the programmable chip for being loaded with primary control program, in the present embodiment, the master control
Chip U1 is SOP8 cake cores, is used to control the operation of entire governor circuit 31.One end of the switching transistor Q3 and LED
Lamp bead W connections, the other end are connected through resistance R13, resistance R12 with 5 feet of main control chip U 1.The switching transistor Q4's
One end is connected with LED lamp bead R, and the other end is connected through resistance R15, resistance R14 with 6 feet of main control chip U 1.The master control
Chip U 1 controls switching transistor Q3, switching transistor Q4 by its 5 foot, 6 foot output pulse width modulated signal PWM
On or off, so as to adjust the brightness of LED lamp bead R and LED lamp bead W power.
Shutter is pressed when photographing device to flash, the switching transistor Q5 of the optical signal conversion circuit 32 can be led at this time
2 seconds or so logical, 7 feet of main control chip U1 can collect the low level signal of 2 seconds or so, in this, as effective letter of flash of light
Number.After main control chip U1 receives flashing signal, 5 feet of main control chip U1 or 6 foot output pulse width modulated signals, and with
The mode of square wave is sent, adjusts high level and low level duty cycle switching transistor Q3, switching transistor Q4 to be controlled to lead
The logical time scale with closing reaches the brightness power effect of control white light LEDs lamp bead W or red-light LED lamp bead R with this.Dim light
When, main control chip U1 exports the pulse width modulating signal of low percentage by its 5 foot or 6 feet, then white light LEDs lamp bead W or red
Light LED lamp bead R sends the dim light of corresponding percentage.When main control chip U1 passes through its 5 foot or the level of the highlighted duty cycle of 6 feet output
Signal, and during about 200 milliseconds of the level signal so that switching transistor Q3, switching transistor Q4 are all turned on, at this time white light
LED lamp bead W or red-light LED lamp bead R reach high brightness, and required strong illumination can be provided for photographing device.Recover after 200 milliseconds
To weak light pulses bandwidth modulation signals output state, flashing signal next time is waited.
As shown in fig. 6, the optical signal conversion circuit 32 includes photosensitive sensor PT, conversion chip U3, resistance R18, electricity
Hinder R21, resistance R23, switching transistor Q5, switching transistor Q6 and capacitance C5.The photosensitive sensor PT is for reception by light
The optical signal that fine line (not shown) imports.Photosensitive sensor PT is through resistance R21, resistance R23, switching transistor Q6 and electricity
Hold C5 to be connected with the TR ports of 2 foot of input terminal of conversion chip U3, the output terminal of conversion chip U3 is through resistance R22, three poles of switch
Pipe Q5 is connected with 7 feet of main control chip U1, for high level or low level signal to be sent to main control chip U1.
As shown in fig. 6, during the photosensitive sensor PT normal works, the light intensity that photosurface receives is weaker, passes through
The electric current very little of photosensitive sensor PT, the voltage very little on resistance R23 are insufficient to allow switching transistor Q6 to turn on.Because of resistance R18
Pull-up effect, capacitance C5 and switching transistor Q6 connecting sides voltage are high level so that in dim light, main control chip U1 controls
Its 5 foot or 6 feet export the pwm signal of low percentage, then LED lamp bead W or LED lamp bead R sends the dim light of corresponding percentage.Work as phase
When the flash of light that machine is sent is transmitted to photosensitive sensor PT by optical fiber cable, photosensitive sensor PT internal resistance moments become smaller, and are equivalent to 4v
Voltage directly by photosensitive sensor PT, divided through resistance R21 and resistance R23, resistance R23 obtains enough voltage so that
Switching transistor Q6 is turned on, and the connecting side voltage of capacitance C5 and resistance R18 is pulled low as low level, which passes through capacitance
C5 couplings are transmitted to the TR ports of 2 feet of conversion chip U3, finally form one 2 seconds in the OUT terminal mouth of 3 feet of conversion chip U3
The high level of left and right, i.e., switching transistor Q5 at this time can be turned on 2 seconds or so, and LED lamp bead W or LED lamp bead R send corresponding hundred at this time
Divide the strong light of ratio.
As shown in fig. 6, the governor circuit 31 is powered by DC power supply BATT, and in the present embodiment, DC power supply BATT
For the lithium battery being mounted in battery compartment 20.The main control chip U1 is through switching transistor Q1, diode D1 and DC power supply BATT
Connection.It is set in the LED circuit board 15 there are three battery capacity indication lamp 313, is blue, green, red trichromatism indicator light, wherein, it is blue
Lamp represents that electricity is sufficient, and green light represents electricity less than 50%, and battery is replaced in red light prompting.First button 311 is used to control
The switch and feux rouges gear of power supply processed are adjusted, and the second button 312 is used to that white light gear to be controlled to adjust.
As shown in figure 5, the underwater LED light that can be achieved to automatically switch small-power focusing and high-power flash of light of the utility model
Light control device is used as the secondary light source of underwater photography.During use after power supply is opened, under the governor circuit 31 control, portion
Point LED lamp bead be illuminated with the dim light of low-power, auxiliary photo-taking equipment focusing, after the completion of focusing, when pressing photographing device
During shutter, the flashing signal that the flash lamp of photographing device is sent reaches the photosensitive sensor PT, the light through the optical fiber cable
The photosensitive sensor PT optical signals received are converted into electric signal transmission to governor circuit 31 by signaling conversion circuit 32, control remaining
LED lamp bead send shooting needed for the strong light of high power.
Take this, the utility model provide it is a kind of under water can small-power focusing and high-power flash of light switching control automatically
LED light light control device, work mean power is smaller, and cruising time is long, can simplify heat dissipation design, cost-effective, fully full
The selection of floor light light source and control of sufficient underwater photography need, to obtain blur-free imaging.
Although being disclosed by above example to the utility model, the scope of protection of the utility model not office
It is limited to this, under conditions of conceiving without departing from the utility model, deformation, replacement for done to above each component etc. falling into this
In the right of utility model.
Claims (7)
1. a kind of small-power focusing and the LED light light control device of high-power flash of light switching control, which is characterized in that the LED light
Light control device is equipped with LED seat (10), and the LED seat (10) is annular shape, the anchor ring on front side of the LED seat (10)
On along peripheral direction be alternatively arranged multiple LED lamp beads (50), multiple LED lamp beads (50) include the different face of two kinds of displays
The lamp bead of color and luminosity is equipped with battery compartment (20) on the LED seat (10) top and is connected to battery compartment (20) one side
Master controller (30), the master controller (30) includes governor circuit (31) and the optical signal conversion circuit that is attached thereto
(32), the optical signal conversion circuit (32) be equipped with photosensitive sensor PT, photosensitive sensor PT with by master controller (30) outside
The optical fiber cable connection that side introduces, after which opens power supply, under the governor circuit (31) control, the LED light of part
Pearl is illuminated with the dim light of low-power, after the completion of photographing device focusing, when pressing photographing device shutter, and the sudden strain of a muscle of photographing device
The flashing signal that light lamp is sent reaches the photosensitive sensor PT through the optical fiber cable, and the optical signal conversion circuit (32) is by light
The optical signal that dependent sensor PT is received is converted into electric signal transmission to governor circuit (31), and required LED lamp bead is controlled to send bat
Take the photograph the strong light of high power of setting.
2. small-power focusing as described in claim 1 and the LED light light control device of high-power flash of light switching control, feature
It is, the LED seat (10) is equipped with the inner ring surface (11) to match with photographing device camera lens, the front side of the LED seat (10)
Anchor ring be equipped with multiple LED lamp beads (50), in the LED seat (10), forward exterior sets Packed transparent protection
Lampshade (12), the rear side of the LED seat (10) are equipped with the bayonet ring (13) of the connection camera of protrusion.
3. small-power focusing as described in claim 1 and the LED light light control device of high-power flash of light switching control, feature
It is, the master controller (30) is externally provided with cylindrical outer casing (40), is integrally formed or is connected at the top of LED seat (10),
The first button (411) and the second button (412) are equipped at the top of the cylindrical outer casing (40), is equipped with and electricity in cylindrical outer casing (40) one end
The tubular connecting portion (41) of Chi Cang (20) connections, the tubular connecting portion (41) are connected with battery compartment (20) by thread seal, should
At least one sealing ring is housed in connecting portion (41).
4. small-power focusing as claimed in claim 3 and the LED light light control device of high-power flash of light switching control, feature
It is, the LED seat (10) is with being equipped with the bulb being connected with photographing device on the outside of the cylindrical outer casing (40) engaging portion
(14)。
5. small-power focusing as described in claim 1 and the LED light light control device of high-power flash of light switching control, feature
It is, the governor circuit (31) includes main control chip U 1, switching transistor Q3, switching transistor Q4 and LED lamp bead R, LED
Lamp bead W, wherein, one end of the switching transistor Q3 is connected with LED lamp bead W, and the other end is through resistance R12, resistance R13 and master
Control chip U 1 is connected, and one end of the switching transistor Q4 is connected with LED lamp bead R, and the other end is through resistance R14, resistance R15
It is connected with main control chip U 1, main control chip U 1 controls switching transistor Q3, switch three by output pulse width modulated signal
The brightness that the on or off of pole pipe Q4 adjusts LED lamp bead R and LED lamp bead W is strong and weak.
6. small-power focusing as described in claim 1 and the LED light light control device of high-power flash of light switching control, feature
It is, the optical signal conversion circuit (32) includes conversion chip U3, photosensitive sensor PT, resistance R18, resistance R21, resistance
R23, switching transistor Q5, switching transistor Q6 and capacitance C5, wherein, the photosensitive sensor PT through resistance R21, resistance R23,
Switching transistor Q6 and capacitance C5 are connected with the input terminal of conversion chip U3, and the output terminal of conversion chip U3 is through resistance R22, switch
Triode Q5 is connected with main control chip U1, and high level or low level signal are sent to main control chip U1.
7. small-power focusing as claimed in claim 5 and the LED light light control device of high-power flash of light switching control, feature
It is, the main control chip U1 is connected through switching transistor Q1, diode D1 with DC power supply BATT.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583788.2U CN207396943U (en) | 2017-05-23 | 2017-05-23 | Small-power is focused and the LED light light control device of high-power flash of light switching control |
| HK18106467A HK1247037A2 (en) | 2017-05-23 | 2018-05-18 | An led light control device for underwater low-power focusing and high-power flash switching control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720583788.2U CN207396943U (en) | 2017-05-23 | 2017-05-23 | Small-power is focused and the LED light light control device of high-power flash of light switching control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207396943U true CN207396943U (en) | 2018-05-22 |
Family
ID=62402242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720583788.2U Active CN207396943U (en) | 2017-05-23 | 2017-05-23 | Small-power is focused and the LED light light control device of high-power flash of light switching control |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207396943U (en) |
| HK (1) | HK1247037A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214632A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳市宇美明科技有限公司 | Underwater led light control device and method for switching between focusing operation and flash operation |
-
2017
- 2017-05-23 CN CN201720583788.2U patent/CN207396943U/en active Active
-
2018
- 2018-05-18 HK HK18106467A patent/HK1247037A2/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018214632A1 (en) * | 2017-05-23 | 2018-11-29 | 深圳市宇美明科技有限公司 | Underwater led light control device and method for switching between focusing operation and flash operation |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1247037A2 (en) | 2018-09-14 |
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