CN201773246U

CN201773246U - Multifunctional light-emitting diode (LED) shooting and photographing lamp

Info

Publication number: CN201773246U
Application number: CN2010202788242U
Authority: CN
Inventors: 陈其明
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-27
Filing date: 2010-07-27
Publication date: 2011-03-23
Anticipated expiration: 2020-07-27

Abstract

The utility model discloses a multifunctional light-emitting diode (LED) shooting and photographing lamp, which supplies illumination for shooting or photographing. A zoom mechanism of the lamp is positioned on the front bottom plate of a shell, an energy indicator light is positioned behind the shell, and an electric fan is positioned on the rear end in the shell; and a control circuit comprises an HT46R47 singlechip, a pin 4 of the singlechip is connected with a drive circuit of the electric fan, a pin 5 of the singlechip is grounded through a resistor and a button in turn, a pin 6 of the singlechip is grounded through a thermistor, and a pin 15, a pin 16, a pin 17 and a pin 18 of the singlechip are connected with one input end of the drive circuit of a stepper motor respectively; and pins 17 and 18 of the singlechip are grounded through the resistor and an LED respectively. The lamp has low light attenuation, has manual and electric zoom functions, can perform flash and multi-shift luminance control and is convenient to use.

Description

Multifunctional LED shooting photography luminaire

Technical field

A kind of LED of illumination shooting photography luminaire that provides for making a video recording or photographing is provided the utility model.

Background technology

Known LED shooting photography luminaire ubiquity light decay is serious, and the LED lamp is converted into electric energy luminous energy and heat energy at work, 2 ℃ of the every risings of component temperature, and the light fixture reliability just descends 10%.When working temperature was raised to 74 ℃ by 63 ℃, the LED mean lifetime will reduce 3/4.Also have the function imperfection, do not have manual zoom, power zoom function, use inconvenient.

Summary of the invention

In order to overcome the defective of known LED shooting photography luminaire light decay, no manual zoom and power zoom, the utility model provides a kind of Multifunctional LED shooting photography luminaire, and this light declines low, has manually and the power zoom function.

The technical solution of the utility model is: this lamp comprises housing, lens, hot shoe and control circuit, lens are positioned at the housing front, and hot shoe is positioned at below the housing, and zoom mechanism is positioned on the housing front floor, the energy pilot lamp is positioned at the housing back, and electric fan is positioned at the housing rear end; Control circuit comprises the HT46R47 single-chip microcomputer, be connected to power knob between 1 pin of single-chip microcomputer and the ground, 3 pin of single-chip microcomputer connect the integrated regulator output terminal by resistance, be connected to resistance between 3 pin of single-chip microcomputer and 5 pin, be connected to resistance between 3 pin of single-chip microcomputer and 6 pin, 4 pin of single-chip microcomputer are connected to the electric fan driving circuit, 5 pin of single-chip microcomputer pass through button ground connection again by resistance, 6 pin of single-chip microcomputer are by thermistor ground connection, 7 pin of single-chip microcomputer connect the integrated regulator output terminal, 8 pin of single-chip microcomputer are connected to the LED output interface circuit, 10 pin of single-chip microcomputer are connected to led drive circuit, 11 pin of single-chip microcomputer pass through capacity earth, 12 pin of single-chip microcomputer connect positive source and pass through capacity earth, 13 pin of single-chip microcomputer are by resistance eutral grounding, 15 pin of single-chip microcomputer, 16 pin, 17 pin and 18 pin join with an input end of stepper motor driving circuit respectively, and 17 and 18 pin of single-chip microcomputer are respectively by resistance and light emitting diode ground connection.

Described zoom mechanism is that manual zoom button is connected back-end support and links to each other with LED.

Described zoom mechanism is that stepper motor is connected lens carrier and is connected between the support with LED.

Advantage of the present utility model: light decay is low, has manually and the power zoom function, has sudden and violent sudden strain of a muscle and the brilliance control of many gears, and is easy to use.

Description of drawings

Fig. 1 is the structural representation of first embodiment of the present utility model.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the rear view of Fig. 1.

Fig. 4 is the upward view of Fig. 1.

Fig. 5 is the structural representation of second embodiment of the present utility model.

Fig. 6 is the right view of Fig. 5.

Fig. 7 is the rear view of Fig. 5.

Fig. 8 is the upward view of Fig. 5.

Fig. 9 is the battery interface circuit diagram of the utility model control circuit.

Figure 10 is the LED output interface circuit figure of the utility model control circuit.

Figure 11 is the led drive circuit figure of the utility model control circuit.

Figure 12 is the central processing unit circuit diagram of the utility model control circuit.

Figure 13 is the electric fan driving circuit figure of the utility model control circuit.

Figure 14 is the charging inlet circuit diagram of the utility model control circuit.

Figure 15 is the stepper motor driving circuit figure of the utility model control circuit.

1. lens among the figure, 2. hot shoe, 3. manually zoom button, 4.LED connect support, 5. battery, 6.PCB plate, 7. charge port, 8. the energy pilot lamp, 9. power switch, 10. blast button, 11. subtracts dark button, 12. long Jiao, 13. wide-angles, 14. lens carriers, 15. stepper motors, 16. electric fans.

Embodiment

In Fig. 1,2,3,4, lens 1 are positioned at the housing front, and hot shoe 2 is positioned at below the housing, and the manual zoom button 3 of zoom mechanism is positioned on the housing front floor, and manual zoom button 3 is connected support 4 rear ends and links to each other with LED.Energy pilot lamp 8 is positioned at the housing back, and electric fan 16 is positioned at the housing rear end.

In Fig. 5,6,7,8, lens 1 are positioned at the housing front, and hot shoe 2 is positioned at below the housing, and zoom mechanism stepper motor 15 is connected lens carrier 14 and is connected between the support 4 with LED.Energy pilot lamp 8 is positioned at the housing back, and electric fan 16 is positioned at the housing rear end.

In Figure 12, control circuit comprises HT46R47 single-chip microcomputer U1, is connected to power knob S1 between 1 pin of single-chip microcomputer U1 and the ground, and 3 pin of single-chip microcomputer U1 meet integrated regulator VR1 output terminal BATSE by resistance R 8.Be connected to resistance R 9 between 3 pin of single-chip microcomputer U1 and 5 pin, be connected to resistance R 15 between 3 pin of single-chip microcomputer U1 and 6 pin, 4 pin of single-chip microcomputer U1 are connected to the resistance R 18 in the electric fan driving circuit.5 pin of single-chip microcomputer U1 pass through button S2, S3, S4, S5, S6 ground connection again by parallel resistor R11, R12, R13, R14, R141.6 pin of single-chip microcomputer U1 are by thermistor R17 ground connection.7 pin of single-chip microcomputer U1 meet integrated regulator VR1 output terminal BATSE, and 8 pin of single-chip microcomputer U1 are connected to the input end ISE of LED output interface circuit.10 pin of single-chip microcomputer U1 are connected to the input end PWM of led drive circuit.11 pin of single-chip microcomputer U1 are by capacitor C 7 ground connection, and 12 pin of single-chip microcomputer U1 meet positive source VCC and by capacitor C 6 ground connection, 13 pin of single-chip microcomputer U1 are by resistance R 10 ground connection.15 pin of single-chip microcomputer U1 meet the input end IN1 of stepper motor driving circuit, and 16 pin meet the input end IN2 of stepper motor driving circuit, and 17 pin meet the input end IN3 of stepper motor driving circuit, and 18 pin meet the input end IN4 of stepper motor driving circuit.17 pin of single-chip microcomputer U1 are by resistance R 7 and light emitting diode D3 ground connection, and 18 pin are by resistance R 6 and light emitting diode D2 ground connection.

Utilize the power of HT46R47 single-chip microcomputer U1 to realize integral body is controlled.

1. the LED luminescent crystal is carried out accurate many grades of brilliance controls of drawing, button S2, S3 among Figure 12 produces control signal, U1 comes computing by the HT46R47 single-chip microcomputer, the pulse-width signal PWM of 10 pin output, by triode Q1 among Figure 11 and Q3 amplifying signal, promote power field effect pipe Q2, the booster circuit that telefault L1, diode D1 form is finished the driving of LED lamp.Resistance R 2 among Figure 10, R3, R4 carry out 8 pin that current detecting feeds back to HT46R47 single-chip microcomputer U1 to the LED lamp.

2. by LED lamp heating end temperature is surveyed, do corresponding control.Thermistor R17 comes detected temperatures among Figure 12.

A, start cooling electric fan 16 when spending when temperature reaches 45, temperature drops to 40 work that stop electric fan 16 when spending.When environment temperature is too high can't lower the temperature the time, reach 65 when spending at LED lamp heating end, complete machine quits work, the switching tube Q4 in the 4 foot controls drawing 13 among the HT46R47 single-chip microcomputer U1 among Figure 12, thereby the opening or stop of control electric fan 16.

B, increase energy management deixis when discharging and recharging.The reference voltage that is provided by the integrated regulator VR1 among Figure 12 carries out computing to 7 pin of HT46R47 single-chip microcomputer U1 by single-chip microcomputer U1, becoming orange, red, redness by green and dodge slowly when driving the red and green generation of D3 of diode D2 and descending with voltage; Become green when being full of electricity by redness when voltage rises gradually during charging, finish energy management and show.

C, utilize the short-time overload capacity of LED luminescent crystal, increase the sudden and violent function of dodging, and realize synchronously by the fast door interface on the camera.(be increased to 10 grades 11 grades by brightness and be continuous sudden and violent the sudden strain of a muscle, trigger button S6 be sudden and violent synchronously sudden strain of a muscle when any one grade of brightness).

D, realize changing (15-85 degree) according to the angle by the distance of regulating between luminescent crystal and the lens 1.The machinery control section is controlled the distance of LED and lens 1 by manual zoom button 3 among Fig. 2).Can realize that angle is synchronous by the zoom signal of gamma camera output.The control signal that button S4, S5 produce among Figure 12 is carried out computing to HT46R47 single-chip microcomputer U1, and the amplifying circuit of being made up of by the Q5 among Figure 15, Q7, Q11, Q9, Q8, Q6, Q12, Q10 the signal of 15,16,17,18 pin generation among the HT46R47 single-chip microcomputer U1 comes pushing stepping motor 15 to do corresponding motion.

Claims

1. Multifunctional LED shooting photography luminaire, this lamp comprises housing, lens, hot shoe and control circuit, lens are positioned at the housing front, hot shoe is positioned at below the housing, it is characterized in that zoom mechanism is positioned on the housing front floor, the energy pilot lamp is positioned at the housing back, and electric fan is positioned at the housing rear end; Control circuit comprises the HT46R47 single-chip microcomputer, be connected to power knob between 1 pin of single-chip microcomputer and the ground, 3 pin of single-chip microcomputer connect the integrated regulator output terminal by resistance, be connected to resistance between 3 pin of single-chip microcomputer and 5 pin, be connected to resistance between 3 pin of single-chip microcomputer and 6 pin, 4 pin of single-chip microcomputer are connected to the electric fan driving circuit, 5 pin of single-chip microcomputer pass through button ground connection again by resistance, 6 pin of single-chip microcomputer are by thermistor ground connection, 7 pin of single-chip microcomputer connect the integrated regulator output terminal, 8 pin of single-chip microcomputer are connected to the LED output interface circuit, 10 pin of single-chip microcomputer are connected to led drive circuit, 11 pin of single-chip microcomputer pass through capacity earth, 12 pin of single-chip microcomputer connect positive source and pass through capacity earth, 13 pin of single-chip microcomputer are by resistance eutral grounding, 15 pin of single-chip microcomputer, 16 pin, 17 pin and 18 pin join with an input end of stepper motor driving circuit respectively, and 17 and 18 pin of single-chip microcomputer are respectively by resistance and light emitting diode ground connection.

2. Multifunctional LED according to claim 1 shooting photography luminaire, it is continuous to it is characterized in that zoom mechanism is that manual zoom button is connected back-end support with LED.

3. Multifunctional LED according to claim 1 shooting photography luminaire is characterized in that zoom mechanism is that stepper motor is connected lens carrier and is connected between the support with LED.