CN204785801U - Steady voltage LED table lamp - Google Patents

Abstract

The utility model discloses a steady voltage LED table lamp, including lamp stand, elasticity pole setting, last lamp shade, lower lamp shade and LED banks spare, the lamp stand passes through the pole setting of connecting piece fixed connection elasticity, and the lamp shade is connected to elasticity pole setting top, the lamp shade includes the lamp shade and plays the lamp shade, is equipped with the base plate inside the fixing of lamp shade, and base plate electrically connected sets up LED banks spare, the ultra -violet curing that the outside of LED banks spare was provided with LED banks spare parcel glues, power module is through locating the switch electricity connect temperature sensor on the base, and LED banks spare and treater are supplied power by power module, contain the voltage stabilizing circuit module in the power module, the voltage stabilizing circuit module includes the positive port of VIN, VIN negative terminal mouth and triode Q1, the positive port connecting resistance R1's of VIN one end and electric capacity C1's one end, the utility model discloses well improvement radiating efficiency reduces operating temperature, and increase of service life improves the illuminating effect, increases interest and ornamental, realizes stepping down and the steady voltage effect low in production cost.

Description

A kind of voltage stabilizing LED desk lamp

Technical field

The utility model relates to LED desk lamp, specifically a kind of voltage stabilizing LED desk lamp.

Background technology

Lamp is the thing often used in people's daily life, and existing desk lamp common is at present mainly monochromatic luminous, namely can only send the light of white light or yellow, very dull; Light emitting diode replaces traditional incandescent lamp and Halogen lamp LED gradually due to features such as its reaction speed is fast, volume is little, power consumptions, existing LED(light emitting diode) desk lamp can control by single-chip microcomputer the light that three-primary color LED sends different colours, and effect is very good, but the desk lamp on market can not respond to extraneous temperature to regulate the color of LED.

Utility model content

The purpose of this utility model is that providing a kind of improves radiating efficiency, reduces operating temperature, increases the service life, improve illuminating effect, increase interesting and ornamental, realize step-down and voltage regulation result, the voltage stabilizing LED desk lamp that production cost is low, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technical scheme:

A kind of voltage stabilizing LED desk lamp, comprises lamp socket, elasticity vertical rod, upper lamp shade, lower lamp shade and LED lamp component; Described lamp socket is fixedly connected with elasticity vertical rod by connector, connects lampshade above elasticity vertical rod; Described lampshade comprises upper lamp shade and lower lamp shade, is fixed with substrate in lampshade inside, and substrate electrical connection arranges LED lamp component; Ultra-violet curing glue LED lamp component wrapped up is had in the arranged outside of described LED lamp component; Temperature sensor is provided with in described substrate inside, and the input of the output connection handling device of temperature sensor, the output of processor is by connecting the input of LED lamp component through the wire of connector, simultaneously, power module is by being located at the switch electrical connection temperature sensor on base, and LED lamp component and processor are powered by power module; Voltage stabilizing circuit module is comprised in described power module; Described voltage stabilizing circuit module comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The colelctor electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter stage of the other end connecting triode Q1 of described resistance R9, one end of the colelctor electrode contact resistance R3 of triode Q1, the other end of resistance R3 connects the negative pole of diode D1 and the colelctor electrode of triode Q2 simultaneously, and the base stage of the colelctor electrode of triode Q1 also simultaneously connecting triode Q2; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter stage of triode Q1 and the plus earth of TVS pipe D2; The emitter stage of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection; The emitter stage of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, with colelctor electrode, the base stage of triode Q4, the base stage of triode Q5 of triode Q3 while of the other end of resistance R5; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the colelctor electrode of triode Q5 passes through the emitter stage of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter stage of triode Q4 ground connection simultaneously; The colelctor electrode of the emitter stage connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously.

Further: described processor model is AT89C51 type single-chip microcomputer.

Further: described electric capacity C4 is electrochemical capacitor, electric capacity C5 is electrochemical capacitor or ceramic disc capacitor.

Compared with prior art, the beneficial effects of the utility model are:

1, radiating efficiency is improved in the utility model, reduce operating temperature, increase the service life, improve illuminating effect, ultra-violet curing glue can make fluorescent material away from LED lamp component, decrease LED lamp component work time high temperature on the impact of fluorescent material, ensure the brightness of its entirety, power module is powered to LED lamp component and is made it luminous, temperature sensor output signal is to processor, processor sends signal control LED lamp component according to the difference of the temperature value received and produces different colors, increases interesting and ornamental;

2, the utility model embodiment adopts triode as voltage drop element, and coordinates voltage-stabiliser tube, and the voltage that triode is exported keeps stable.When load power consumption changes, the electric current of change can be synchronized to the electric current on the base stage of triode and voltage-stabiliser tube, because triode operation is in amplification region, therefore load power consumption changes the current change quantity that produces after triode regulates, the voltages keep constant of output can be made, realize step-down and voltage regulation result, and each element all adopts general electronic devices and components, production cost is very low.

Accompanying drawing explanation

Fig. 1 is the structural representation of voltage stabilizing LED desk lamp.

Fig. 2 is system hardware syndeton schematic diagram in voltage stabilizing LED desk lamp.

Fig. 3 is the schematic diagram of voltage stabilizing circuit module in power module in voltage stabilizing LED desk lamp.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.、

Refer to Fig. 1 ~ 3, in the utility model embodiment, a kind of voltage stabilizing LED desk lamp, comprises lamp socket 1, elasticity vertical rod 2, upper lamp shade 3, lower lamp shade 8 and LED lamp component 6; Described lamp socket 1 is fixedly connected with elasticity vertical rod 2 by connector, connects lampshade above elasticity vertical rod 2; Described lampshade comprises upper lamp shade 3 and lower lamp shade 8, is fixed with substrate 7 in lampshade inside, and substrate 7 electrical connection arranges LED lamp component 6; During use, LED lamp component 6 radiating efficiency is high, reduces operating temperature, increases the service life, and improves illuminating effect; Ultra-violet curing glue LED lamp component 6 wrapped up is had in the arranged outside of described LED lamp component 6, ultra-violet curing glue fills up LED lamp component 6 surface and forms hemispherical, ultra-violet curing glue can make fluorescent material away from LED lamp component 6, decrease high temperature when LED lamp component 6 works and, on the impact of fluorescent material, ensure the brightness of its entirety; Temperature sensor 5 is provided with in described substrate 7 inside, and the input of the output connection handling device of temperature sensor 5, the output of processor is by connecting the input of LED lamp component 6 through the wire of connector, simultaneously, power module is electrically connected temperature sensor 5 by the switch 4 be located on base 1, and LED lamp component 6 and processor are powered by power module; Wherein, processor model is AT89C51 type single-chip microcomputer; Voltage stabilizing circuit module is comprised in described power module; Described voltage stabilizing circuit module comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The colelctor electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter stage of the other end connecting triode Q1 of described resistance R9, one end of the colelctor electrode contact resistance R3 of triode Q1, the other end of resistance R3 connects the negative pole of diode D1 and the colelctor electrode of triode Q2 simultaneously, and the base stage of the colelctor electrode of triode Q1 also simultaneously connecting triode Q2; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter stage of triode Q1 and the plus earth of TVS pipe D2; The emitter stage of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection, electric capacity C4 is electrochemical capacitor, and electric capacity C5 is electrochemical capacitor or ceramic disc capacitor; The emitter stage of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, with colelctor electrode, the base stage of triode Q4, the base stage of triode Q5 of triode Q3 while of the other end of resistance R5; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the colelctor electrode of triode Q5 passes through the emitter stage of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter stage of triode Q4 ground connection simultaneously; The colelctor electrode of the emitter stage connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously; During use, voltage stabilizing circuit module adopts triode as voltage drop element, and coordinates voltage-stabiliser tube, and the voltage that triode is exported keeps stable; When load power consumption changes, the electric current of change can be synchronized to the electric current on the base stage of triode and voltage-stabiliser tube, because triode operation is in amplification region, therefore load power consumption changes the current change quantity that produces after triode regulates, the voltages keep constant of output can be made, realize step-down and voltage regulation result, and each element all adopts general electronic devices and components, production cost is very low; When LED lamp component 6 works, close switch 8, power module makes it luminous to LED lamp component 6 power supply, and temperature sensor 5 outputs signal to processor, and processor sends signal control LED lamp component 6 according to the difference of the temperature value received and produces different colors.

To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any Reference numeral in claim should be considered as the claim involved by limiting.

In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (3)

1. a voltage stabilizing LED desk lamp, comprises lamp socket (1), elasticity vertical rod (2), upper lamp shade (3), lower lamp shade (8) and LED lamp component (6); It is characterized in that, described lamp socket (1) is fixedly connected with elasticity vertical rod (2) by connector, and elasticity vertical rod (2) top connects lampshade; Described lampshade comprises upper lamp shade (3) and lower lamp shade (8), is fixed with substrate (7) in lampshade inside, and substrate (7) electrical connection arranges LED lamp component (6); Ultra-violet curing glue LED lamp component (6) wrapped up is had in the arranged outside of described LED lamp component (6); Temperature sensor (5) is provided with in described substrate (7) inside, and the input of the output connection handling device of temperature sensor (5), the output of processor is by connecting the input of LED lamp component (6) through the wire of connector, simultaneously, power module is by being located at the switch (4) electrical connection temperature sensor (5) on base (1), and LED lamp component (6) and processor are powered by power module; Voltage stabilizing circuit module is comprised in described power module; Described voltage stabilizing circuit module comprises the positive port of VIN, VIN negative terminal mouth and triode Q1; One end of described VIN positive port contact resistance R1 and one end of electric capacity C1; The colelctor electrode of the other end connecting triode Q2 of described resistance R1; One end of the other end contact resistance R8 of described electric capacity C1, other end one end of contact resistance R9 and the base stage of triode Q1 simultaneously of resistance R8; The emitter stage of the other end connecting triode Q1 of described resistance R9, one end of the colelctor electrode contact resistance R3 of triode Q1, the other end of resistance R3 connects the negative pole of diode D1 and the colelctor electrode of triode Q2 simultaneously, and the base stage of the colelctor electrode of triode Q1 also simultaneously connecting triode Q2; Described triode Q1 TVS pipe D2 and electric capacity C6 in parallel; The described emitter stage of triode Q1 and the plus earth of TVS pipe D2; The emitter stage of described triode Q2 is connected with electric capacity C4, electric capacity C5 and electric capacity C7; Described electric capacity C4 and electric capacity C5 is in parallel, and ground connection; The emitter stage of described triode Q2 also one end of contact resistance R4 and one end of resistance R6 simultaneously, the other end of resistance R4 is connected with resistance R5 one end, with colelctor electrode, the base stage of triode Q4, the base stage of triode Q5 of triode Q3 while of the other end of resistance R5; The base stage of the other end connecting triode Q3 of resistance R6, the grounded emitter of triode Q3, the colelctor electrode of triode Q5 passes through the emitter stage of electric capacity C2, electric capacity C3 connecting triode Q4, and the emitter stage of triode Q4 ground connection simultaneously; The colelctor electrode of the emitter stage connecting triode Q4 of described triode Q5, and its terminals also connect VIN negative terminal mouth simultaneously.

2. voltage stabilizing LED desk lamp according to claim 1, is characterized in that, described processor model is AT89C51 type single-chip microcomputer.

3. voltage stabilizing LED desk lamp according to claim 1, is characterized in that, described electric capacity C4 is electrochemical capacitor, and electric capacity C5 is electrochemical capacitor or ceramic disc capacitor.