CN203784735U

CN203784735U - Remote control LED (Light Emitting Diode) table lamp

Info

Publication number: CN203784735U
Application number: CN201420165617.4U
Authority: CN
Inventors: 黄晓波
Original assignee: SHANDONG MINGHUA PHOTOELECTRIC TECHNOLOGY CO LTD
Current assignee: Shandong Kougin Lighting Technology Co ltd
Priority date: 2014-03-28
Filing date: 2014-03-28
Publication date: 2014-08-20
Anticipated expiration: 2024-03-28

Abstract

The utility model discloses a remote control LED (Light Emitting Diode) table lamp. The remote control LED table lamp comprises a lampshade, a luminous unit, a base and a circuit board, wherein the luminous unit comprises a plurality of groups of beads with different color temperatures; the luminous unit is embedded in the lampshade; one end of a curved arm is connected to the lampshade; the other end of the curved arm is connected to the base; the circuit board and a battery are fixed in a lamp holder; a microwave radar is fixed to the circuit board; a remote control receiving hole is formed in the left side of the base; a luminance level display tube and a timing time display tube are arranged at the middle position of the base; a switch key and a timing key are arranged on the right side of the base; a clock display and luminance detector is fixed to the base. According to the remote control LED table lamp, a microwave radar circuit is built in the table lamp, after a radar mode is selected, when a moving object exists in the outside, the table lamp automatically lightens and replaces a sound and light-controlled lamp; two function keys on the front end of the base of the table lamp are adjusted to switch on/off the table lamp or set the luminance and the timing time of the table lamp; the remote control function is realized, the bead strings with different color temperatures are arranged in the lampshade, and the color temperatures of the lamp can be adjusted by a user at random.

Description

Remote control LED desk lamp

Technical field

The utility model relates to field of illumination lamp technology, is specifically related to a kind of remote control LED desk lamp.

Background technology

The desk lamp that used in the market, function is comparatively single, without distant control function, without radar detection function, so user can not far distance controlled desk lamp, uses inconvenience; And without timing, without PWM dimming function, power consumption is large, after power-off, can not throw light on for user.

Utility model content

The utility model provides a kind of remote control LED desk lamp, with solve that prior art exists without remote control without radar and can not light modulation problem regularly.

The utility model comprises lampshade, luminescence unit, base and circuit board, solving the technical scheme that its technical problem adopts is the lamp pearl that luminescence unit comprises some groups of different-colours, luminescence unit is embedded in lampshade, curved boom one end connects lampshade, the curved boom other end connects base, circuit board and battery are fixed in lamp socket, microwave radar is fixed on circuit board, remote control reception hole is positioned at the left side of base, gray scale display tube and timing display tube are located at the centre position of base, switch key and regularly button are located at the right side of base, clock display and illumination detector are fixed on base.

The built-in microwave radar circuit of the utility model, after selection radar mode, when extraneous mobile object, desk lamp will be lighted automatically, replaces acousto-optic control lamp tool; Can be by two function button switch desk lamps or setting desk lamp brightness and the timing of adjustable desk lamp base front end; Have distant control function, have some groups of different-colour lamp pearl strings in lampshade, user can regulate arbitrarily the colour temperature of light fixture.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Fig. 1 is structural representation of the present utility model;

Fig. 2 is side-looking structural representation of the present utility model;

Fig. 3 is circuit theory diagrams of the present utility model.

1 lampshade, 2 luminescence units, 3 gray scale display tubes, 4 clock displays and illumination detector, 5 remote control reception mouths, 6 timing display tubes, 7 switch keys, 8 timing buttons, 9 curved booms, 10 plugs, 11 bases, 12 circuit boards, 13 power lines, 14 microwave radars in figure.

The specific embodiment

As depicted in figs. 1 and 2, a kind of remote control LED desk lamp, comprise lampshade 1, luminescence unit 2, base 11 and circuit board 12, luminescence unit 2 comprises the lamp pearl of some groups of different-colours, luminescence unit 2 is embedded in lampshade 1, curved boom 9 one end connect lampshade 1, curved boom 9 other ends connect base 11, circuit board 12 and battery are fixed in lamp socket 11, microwave radar 14 is fixed on circuit board 12, remote control reception hole 5 is positioned at the left side of base 11, gray scale display tube 3 and timing display tube 6 are located at the centre position of base 11, switch key 7 and regularly button 8 are located at the right side of base 11, clock display and illumination detector 4 are fixed on base 11.

As shown in Figure 3, the positive pole of the positive output termination white light pearl string LED1 of Switching Power Supply DY, the positive pole of warm light modulation pearl string LED2 and the input in of mu balanced circuit 78L05, minus earth; The earth terminal gnd ground connection of mu balanced circuit 78L05, output out output 5V voltage; The anodal V+ of radar sensor circuit L meets 5V, negative pole V-ground connection, and output O meets the P3.0 of single-chip microprocessor MCU; The positive pole of lighting detecting circuit G+meet 5V, negative pole-ground connection, output O meets the ADC1 of single-chip microprocessor MCU; The anodal V+ of remote-control receiving circuit HW meets 5V, negative pole V-ground connection, and output O meets the P3.0 of single-chip microprocessor MCU; The positive pole of lighting detecting circuit G+meet 5V, negative pole-ground connection, output O meets the INT0 of single-chip microprocessor MCU; Switch key S1 meets the P3.1 of single-chip microprocessor MCU; Regularly button S2 meets the P3.2 of single-chip microprocessor MCU; Nixie tube drive circuit QD meets P3.5, P3.6, the P3.7 of single-chip microprocessor MCU; Charactron LED0 connects the output of Nixie tube drive circuit QD; FET Q1 drain electrode connects the negative pole of lamp pearl string LED1, and grid connects the PWM1 of single-chip microprocessor MCU, source ground; FET Q2 drain electrode connects the negative pole of lamp pearl string LED2, and grid connects the PWM2 of single-chip microprocessor MCU, source ground; The positive pole of battery A connects Switching Power Supply positive output end, minus earth.

Operation principle of the present utility model is as follows:

Plug 10 and 220V civil power are connected, civil power enters Circuits System by power line 13, by Switching Power Supply DY step-down, to white light pearl string LED1 and warm light modulation pearl string LED2, power, and give battery A charging, by mu balanced circuit 78L05, give other circuit supplies simultaneously, select after radar mode, microwave radar circuit L detects the voltage generation saltus step of output O after mobile object; If illumination changes, can there is saltus step in the voltage of the output O of lighting detecting circuit G; If single-chip microprocessor MCU detects when there are objects moving, and ambient light is according to lower than setting value, and the PWM1 of single-chip microprocessor MCU and PWM2 can make metal-oxide-semiconductor Q1 and Q2 conducting, lamp pearl string LED1 and lamp pearl string LED2 are luminous, after time delay certain hour, and can't detect mobile object, lamp pearl string extinguishes.

Select after general mode, user can pass through button S1 adjustable desk lamp gray scale, by button S2, can set the desk lamp opening time, and gray scale and timing show on charactron LED0; The brightness of desk lamp is that the duty by PWM recently regulates, and dutycycle is different, and the brightness of desk lamp is different, thereby reaches the object of light modulation.Timing function utilizes single-chip microcomputer timer internal to complete, and to PWM1 after setting-up time and PWM2, becomes 0, and desk lamp extinguishes.

Remote-control receiving circuit HW sends into the signal receiving in the INT0 mouth of single-chip microcomputer, singlechip interruption is analyzed, if switching signal, the PWM1 of single-chip microprocessor MCU and PWM2 mouth can be controlled the conducting of metal-oxide-semiconductor Q1 and Q2 and close, thereby control the LED1 of lamp pearl string and the light on and off of LED2; If regulate the signal of colour temperature, the PWM1 of single-chip microprocessor MCU and PWM2 mouth can be controlled the difference of the dutycycle of metal-oxide-semiconductor Q1 and Q2, i.e. PWM1 increase PWM2 reduces, or PWM2 increase PWM1 reduces, thereby control the LED1 of lamp pearl string and the difference that LED2 lights dutycycle, reach the object that regulates colour temperature; If the signal of brightness adjusting, the PWM1 of single-chip microprocessor MCU and PWM2 mouth together with time control the difference of the dutycycle of metal-oxide-semiconductor Q1 and Q2, increase simultaneously or reduce, thereby controlling LED1 and the LED2 brightness of lamp pearl string, reach the object of brightness adjusting.

Claims

1. a remote control LED desk lamp, comprise lampshade, luminescence unit, base and circuit board, it is characterized in that luminescence unit comprises the lamp pearl of some groups of different-colours, luminescence unit is embedded in lampshade, curved boom one end connects lampshade, the curved boom other end connects base, circuit board and battery are fixed in lamp socket, microwave radar is fixed on circuit board, remote control reception hole is positioned at the left side of base, gray scale display tube and timing display tube are located at the centre position of base, and switch key and regularly button are located at the right side of base, and clock display and illumination detector are fixed on base.