CN205137165U - Built -in drive power supply's LED lamp - Google Patents

Abstract

The utility model is suitable for an illumination lamps and lanterns field provides a built -in drive power supply's LED lamp, including the lamp stand, with LED light source board and connection that the lamp stand is connected the lamp stand will the lamp shade of LED light source board encapsulation, wherein, still be provided with the LED drive power supply board in the lamp stand, the LED drive power supply board with LED chip electrical connection on the LED light source board, the lamp stand include a cylindrical cavity and with the 2nd cylindrical cavity that a cylindrical cavity connects, it is used for fixing to be provided with first mounting groove in the cylindrical cavity the LED drive power supply board, it is used for fixing to be provided with the second mounting groove in the 2nd cylindrical cavity LED light source board. The utility model discloses a set up the LED drive power supply board in a cylindrical cavity of lamp stand, the chip with setting up lamp stand second cylindrical cavity on the internal LED light source board separately sets up for the heat dissipation of LED lamp is good, makes the LED lamp whole small simultaneously, and occupation space is few, simultaneously simple to operate, swift high -efficient.

Description

A kind of LED of built-in driving power

Technical field

The utility model belongs to field of illuminating lamps, particularly relates to a kind of LED of built-in driving power.

Background technology

LED is made up of LED wafer, substrate, shell and lamp socket etc., because it has the features such as energy-conservation, long service life, has more and more been widely used in illuminating industry.

The driving power of existing LED often adopts external mode, and external driving power well solves the fan heat of LED, simultaneously driving power not with the housing contacts of lamp body, not easily there is electric shock phenomenon, Electrical Safety.

But when using low-power LED lamp (LED chip power is less than 1W), because power is less, the caloric value of LED is little, now uses external driving power, and LED overall volume is large, takes up room many, and install inconvenient, installation effectiveness is low.

Utility model content

The utility model embodiment provides a kind of LED of built-in driving power, is intended to solve existing low-power LED lamp and uses external driving power, and LED overall volume is large, takes up room many, the problem of installation and maintenance inconvenience.

The utility model embodiment is achieved in that a kind of LED of built-in driving power,

Comprise lamp socket, the LED light source plate be connected with described lamp socket, be arranged at described LED light source front edge of board eyeglass and connect described lamp socket and the lampshade encapsulated by described LED light source plate, wherein, also be provided with LED drive power plate in described lamp socket, the LED chip on described LED drive power plate and described LED light source plate is electrically connected;

The second cylindrical cavity that described lamp socket comprises the first cylindrical cavity and is connected with described first cylindrical cavity, be provided with the first mounting groove in described first cylindrical cavity for fixing described LED drive power plate, be provided with the second mounting groove in described second cylindrical cavity for fixing described LED light source plate.

Further, described lampshade comprises the heat radiation aluminum hull of circular cone shape and is threadedly connected to the compacting ring of described heat radiation aluminum hull one end, and described eyeglass is arranged at the connecting portion of described heat radiation aluminum hull and described compacting ring.

Further, be also provided with one between described first cylindrical cavity with described second cylindrical cavity and be connected annulus.

Further, described base material adopts plastics.

Further, described LED drive power plate comprises:

Voltage reduction module, the AC supply voltage for being inputted outside is reduced to the operating voltage of LED chip;

Rectification module, for becoming dc source after the AC power rectification after voltage reduction module step-down and export the LED chip on LED light source plate to;

Voltage stabilizing module, the operating voltage in LED chip described in strangulation is in the range of nominal tension.

The LED of the built-in driving power of the utility model embodiment, by LED drive power plate is arranged in the first cylindrical cavity of lamp socket, be provided separately with the chip on the LED light source plate arranged in lamp socket second cylindrical cavity body, LED is dispelled the heat good, make LED overall volume little simultaneously, occupy little space, simultaneously easy for installation, quickness and high efficiency.

Accompanying drawing explanation

Fig. 1 is the floor map of the LED of the built-in driving power that the utility model embodiment provides;

Fig. 2 is the schematic perspective view of the LED of the built-in driving power that the utility model embodiment provides;

Fig. 3 is another schematic perspective view of the LED of the built-in driving power that the utility model embodiment provides;

Fig. 4 is the module diagram of the built-in LED drive power plate that the utility model embodiment provides.

Detailed description of the invention

In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.

It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.

Also it should be noted that, the orientation term such as left and right, upper and lower in the utility model embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.

As depicted in figs. 1 and 2, the LED of a kind of built-in driving power that the utility model embodiment provides,

Comprise lamp socket 1, the LED light source plate 2 be connected with described lamp socket 1, be arranged at described LED light source plate 2 front end eyeglass 3 and connect described lamp socket 1 and the lampshade 4 encapsulated by described LED light source plate 2, wherein, also be provided with LED drive power plate 5 in described lamp socket 1, described LED drive power plate 5 is electrically connected with the LED chip (not shown) on described LED light source plate 2;

The second cylindrical cavity 12 that described lamp socket 1 comprises the first cylindrical cavity 11 and is connected with described first cylindrical cavity 11, the first mounting groove 13 is provided with for fixing described LED drive power plate 5 in described first cylindrical cavity 11, the second mounting groove 14 is provided with in described second cylindrical cavity 12, as shown in Figure 3, for fixing described LED light source plate 2, built-in LED drive power plate and LED light source plate are provided separately, even heat in LED is distributed, overheated phenomenon can not be produced, simultaneously in low power LED, because LED chip power is generally at below 1W, the problem that built-in LED drive power plate also can not bring heat too high, simultaneously, the built-in overall dimensions of LED that makes of LED drive power plate diminishes, save space, when mounted owing to not needing to install external power supply, make LED quick and easy for installation.

As shown in Figure 2, in the utility model embodiment, described lampshade 4 comprises the heat radiation aluminum hull 41 of circular cone shape and is threadedly connected to the compacting ring 42 of described heat radiation aluminum hull 41 one end, described eyeglass 3 is arranged at the connecting portion of described heat radiation aluminum hull 41 and described compacting ring 42, the other end of heat radiation aluminum hull 41 is connected by screw thread or screw with the second cylindrical cavity, heat radiation aluminum hull is owing to having good heat conductivility, the heat produced during chip light emitting on LED light source plate can be shed in time, ensure LED service life.

In the utility model embodiment, as shown in Figure 3, be also provided with one between described first cylindrical cavity 11 with described second cylindrical cavity 12 and be connected annulus 15, connect annulus and play a part excessively and reducing, be convenient to connection first cylindrical cavity and the second cylindrical cavity.

In the utility model embodiment, described base material adopts plastics, the lamp socket of plastic material plays insulating effect, because the heat radiation aluminum hull of lamp socket and lampshade links together, LED drive power plate inner high voltage part in first cylindrical cavity can not conduct to lampshade when leaking electricity by lamp socket, people touches the phenomenon that lampshade also there will not be electric shock, ensure that the Electrical Safety of LED.

As shown in Figure 4, in the utility model embodiment, described LED drive power plate comprises:

Voltage reduction module 10, AC supply voltage for being inputted outside is reduced to the operating voltage of LED chip lamp, LED chip operating voltage is about 1.2 ~ 3V, parallel connection or the series connection of multiple LED chip use the operating voltage determining LED, external input power is the household electricity of alternating current 220V, in order to ensure safety utilization of electric power, uses after generally needing step-down, the operating voltage of LED is generally divided into 5V, multiple grade such as 12V;

Rectification module 20, for will dc source be become after the AC power rectification after voltage reduction module step-down and export the LED chip on LED light source plate to, because LED chip adopts direct current supply, so need the household electricity by outside inputs to carry out rectification, could use after forming direct current;

Voltage stabilizing module 30, operating voltage in LED chip described in strangulation is in the range of nominal tension, the overtension in LED chip is made in order to prevent the unusual fluctuations of external power source, and cause LED chip to be burnt, after the output of LED chip gathers output voltage, feed back to mu balanced circuit adjustment, generally the operating voltage of LED chip is controlled in positive and negative 10% of rated voltage.

The LED of the built-in driving power that the utility model embodiment provides, by LED drive power plate is arranged in the first cylindrical cavity of lamp socket, be provided separately with the chip on the LED light source plate arranged in lamp socket second cylindrical cavity body, low-power LED lamp is dispelled the heat good, make built-in driving power be arranged so that LED overall volume is little simultaneously, save space, owing to not needing to install external power supply, make that LED is quick and easy for installation, installation effectiveness is high simultaneously.

The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. the LED of a built-in driving power, comprise lamp socket, the LED light source plate be connected with described lamp socket, be arranged at described LED light source front edge of board eyeglass and connect described lamp socket and the lampshade encapsulated by described LED light source plate, it is characterized in that, also be provided with LED drive power plate in described lamp socket, the LED chip on described LED drive power plate and described LED light source plate is electrically connected;

The second cylindrical cavity that described lamp socket comprises the first cylindrical cavity and is connected with described first cylindrical cavity, be provided with the first mounting groove in described first cylindrical cavity for fixing described LED drive power plate, be provided with the second mounting groove in described second cylindrical cavity for fixing described LED light source plate.

2. the LED of built-in driving power according to claim 1, it is characterized in that, described lampshade comprises the heat radiation aluminum hull of circular cone shape and is threadedly connected to the compacting ring of described heat radiation aluminum hull one end, and described eyeglass is arranged at the connecting portion of described heat radiation aluminum hull and described compacting ring.

3. the LED of built-in driving power according to claim 2, is characterized in that, is also provided with one and is connected annulus between described first cylindrical cavity with described second cylindrical cavity.

4. the LED of built-in driving power according to claim 3, is characterized in that, described base material adopts plastics.

5. the LED of built-in driving power according to claim 4, is characterized in that, described LED drive power plate comprises:

Voltage reduction module, the AC supply voltage for being inputted outside is reduced to the operating voltage of LED chip;

Rectification module, for becoming dc source after the AC power rectification after voltage reduction module step-down and export the LED chip on LED light source plate to;

Voltage stabilizing module, the operating voltage in LED chip described in strangulation is in the range of nominal tension.