CN201954342U

CN201954342U - General LED lamp panel

Info

Publication number: CN201954342U
Application number: CN2011200727003U
Authority: CN
Inventors: 邵帅; 邵新农
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-18
Filing date: 2011-03-18
Publication date: 2011-08-31
Anticipated expiration: 2021-03-18

Abstract

The utility model discloses a general light-emitting diode (LED) lamp panel, which comprises a lamp holder, a printed circuit board and a plurality of LEDs, wherein the lamp holder is formed by dual-pin or four-pin and U-shaped or H-shaped lamp tubes; a panel frame is arranged on one side of the lamp holder; the printed circuit board is arranged in the panel frame; the printed circuit board is connected with the lamp holder; the LEDs arranged on the printed circuit board form grouped series circuits; each group of series circuit is connected in parallel with a reversed voltage-regulator diode; and magnetic steel is fixedly arranged on the top surface of the panel frame. The general LED lamp panel has high luminance and cost which is much lower than that of a high-power LED desk lamp with the same luminance and can be arranged on the conventional desk lamp without being replaced integrally, so the conventional investments of users are protected; and compared with fluorescent lamp tubes, the general LED lamp panel has high luminance and small power, is energy-saving and environment-friendly, and meets the requirement of low-carbon illumination.

Description

The Universal LED lamp plate

Technical field

The utility model relates to a kind of lighting device, relates in particular to a kind of cheaply, is applicable to the Universal LED lamp plate of desk lamp.

Background technology

The LED lamp is called as solid-state illumination as the substitute of incandescent lamp and fluorescent lamp, and a plurality of LED lamps are combined into cluster and constitute a light source.In recent years the improved efficiency of LED lamp gets very soon, and the long-life of LED lamp also allows solid-state illumination have a great attraction, all over the world, adopt LED lamp luminous traffic lights, automobile indicator and condition of road surface bulletin etc. slowly become general.But at present solid-state illumination also fails to realize family expenses, although cost descends, all kinds of LED light fixtures than the light fixture costliness of existing employing fluorescent lamp many.The desk lamp of family expenses generally adopts fluorescent lamp as light source now, and the fluorescent tube of desk lamp mostly is the fluorescent tube of H type or U type, and the power great majority are about 15 watts, if use the LED desk lamp, as long as less than 4 watts of brightness that just can meet or exceed the former, energy-saving effect is remarkable.And because the high-powered LED lamp technology does not also have full maturity, existing comparatively cheap LED desk lamp power is all very little, generally all is no more than 1 watt, and technology is coarse, and brightness is lower; And more than 4 watts, brightness is higher, the LED desk lamp price of beautiful design, sophisticated technologies is very high, and this a series of problem has all seriously hindered LED illumination popularizing in the family expenses field.The patent application case of Chinese patent publication number CN2769686Y discloses a kind of large-power light-emitting diodes desk lamp, by being made, LED illuminator, snoot, wiring board and radiator become one, constitute light-emitting diode component, then light-emitting diode component is embedded in the inside cavity of the lampshade of metal material, closely contact with lampshade, make whole lampshade become the radiator of light emitting diode, thereby effectively distributed the heat that produces in the desk lamp course of work.The LED desk lamp of this scheme, by improving the heat radiation of high power LED desk lamp, guaranteed the service life of high power LED desk lamp, but this LED desk lamp adopts the high-powered LED lamp of single power more than 1 watt, cost is very high, LED lamp versatility is poor, is not easy to change, and is unfavorable for LED illumination popularizing in the family expenses field.

Cause the reason of present situation to be not to be suitable for the Universal LED illuminator of desk lamp, and shortage is connected mutually with original light fixture, mutually the succession theory, LED desk lamp newly developed, their illuminator is all attached on the light fixture, can not be independent, can not use, can not it use, all to design separately, make separately, all will have the tooling device of a cover oneself to ensure.Prolong the construction cycle, increased product cost.

Summary of the invention

The purpose of this utility model is that the brightness of solution prior art middle low power LED desk lamp is lower, and the high power LED desk lamp selling at exorbitant prices is not suitable for the problem of home lighting demand, a kind of desk lamp of being applicable to is provided, price is low, versatility is good, can satisfy the novel universal LED lamp plate of home lighting brightness demand.

In order to solve the problems of the technologies described above, the utility model adopts following technical proposals:

A kind of Universal LED lamp plate comprises lamp holder, printed circuit board (PCB) and some LEDs, and a side of lamp holder is provided with sheet frame, printed circuit board (PCB) is arranged in the sheet frame, printed circuit board (PCB) connects lamp holder, is arranged on the printed circuit onboard led and constitutes the grouping series circuit, every group of reverse Zener diode in parallel.Major programme of the present utility model is the LED lamp plate that desk lamp uses to be made general, and the grouping of some LEDs is arranged on the printed circuit board (PCB).In order to reduce volume, the electric power driving module of LED lamp plate of the present utility model is external, electric power driving module is more suitable for being arranged in the base of desk lamp, electric power driving module is converted into the direct current that the LED lamp is adopted with the electric main of 220V, the capacitance decompression rectifier power source module of the preferential selected technology maturation of electric power driving module, capacitance decompression rectifier power source module has the conversion efficiency height, volume is little, advantage in light weight, that output quality is good can reduce energy consumption of the present utility model significantly, thereby energy-conserving and environment-protective more, and the reduction caloric value, thereby the service life of assurance LED lamp, price is extremely cheap again.Lamp holder can have polytype, but the suitable lamp holder that adopts existing H type or U type electricity-saving lamp increases versatility, and the convenient existing desk lamp of H type or U type fluorescent tube that adopts is replaced by LED lamp plate of the present utility model.Sheet frame is generally rectangle, also can make other shape as required.LED on the existing LED lamp generally adopts dual mode to connect, and a kind of is the mode of series connection, though such connected mode is with low cost, but a defective is arranged, just in case open circuit wherein, the whole LED lamp will extinguish, though be small probability event,, can make troubles to the user in case take place; Another kind is a mode in parallel, though this mode good reliability needs very big input current, this just requires the output current of electric power driving module enough big, has increased considerably volume, weight and production cost.The utility model is divided into some groups mode with the LED of series connection and is connected on the printed circuit board (PCB), every group of reverse Zener diode all in parallel, at each LEDs all under the situation of operate as normal, Zener diode ends, if there is the LED open circuit to damage in the use, the voltage at these group two ends surpasses the reverse-conducting voltage of Zener diode immediately, and electric current passes through from Zener diode, other LED still can operate as normal except that this group, changes when waiting time is suitable to get final product again.This mode has increased substantially the reliability of LED lamp, and the cost that increases is very little, and simultaneously, such connected mode is equal to traditional series system substantially to the requirement of input current, need not increase design cost on electric power driving module.Universal LED lamp plate of the present utility model, the power of each LED is all smaller, because the low-power LED lamp technology maturation, cost is relatively low, the LED lamp array of Zu Chenging such as compares at the single high-powered LED lamp of brightness like this, it is little to have caloric value, the advantage that cost is low, and versatility is good, it is convenient to change, and power maximum of the present utility model can be accomplished 4 watts, and its brightness can be satisfied the requirement of desk lamp fully, helps LED illumination popularizing in the family expenses field.

As a kind of preferred version, described lamp holder adopts the U type of two pins or four pins or the lamp holder of H type fluorescent tube.Existing Bulb holder of table lamp generally is the U type that is applicable to of four pins or the lamp socket of H type fluorescent tube; in order to quicken LED illumination popularizing in the family expenses field; protect user's existing investment simultaneously; lamp holder of the present utility model adopts the U type of existing two pins or four pins or the lamp holder of H type fluorescent tube; when disposing the utility model; can continue to use the facilities such as base, lampshade and lamp socket of existing desk lamp, volume of the present utility model is little, can be arranged on fully in the lampshade of existing desk lamp.Owing to also include the employed electron rectifier of fluorescent tube in the existing Desk lamp feet, and the electric power driving module that the utility model need use the LED lamp to be adopted, therefore, before the utility model is installed, the electron rectifier two ends that need will have now earlier in the Desk lamp feet disconnect, repack the electric power driving module required into the utility model, electric power driving module adopts existing capacitance decompression rectification module, then the output of electric power driving module is connected on the lamp socket of the U type of two pins or four pins or H type fluorescent tube.When using the utility model to be installed on the existing desk lamp, at first desk lamp is carried out above-mentioned simple transformation, then lamp holder of the present utility model is directly installed in the lamp socket of desk lamp and gets final product, very convenient.

As a kind of preferred version, described sheet frame is a rectangle, and the bottom surface of sheet frame is transparent, and printed circuit board (PCB) is arranged in the sheet frame, and LED evenly is arranged on the lower surface of printed circuit board (PCB).Of the present utility model ornamental in order to increase, sheet frame is a rectangle, and the bottom surface of sheet frame is transparent, organizes LED more and is arranged side by side successively, and the whole LED lamp plate that forms a rectangle is very elegant in appearance.The bottom surface of sheet frame adopts transparent plastic or glass to make, and printed circuit board (PCB) is arranged in the sheet frame, and LED evenly is arranged on the lower surface of printed circuit board (PCB), makes each regional brightness basically identical of whole sheet frame bottom surface.

As a kind of preferred version, described sheet frame end face is set with magnet steel.The lampshade of most desk lamps all is an irony now, and LED lamp plate volume of the present utility model is small and exquisite, in light weight, uses common magnet steel just it firmly can be adsorbed on the lampshade lower surface of desk lamp.In addition, not the desk lamp of irony for lampshade, the position of anchor ear can be installed under the desk lamp lampshade iron plate is installed, then re-use magnet steel the utility model is installed under the lampshade of desk lamp.

As a kind of alternative, described sheet frame both sides of the edge are provided with screw.Also very convenient by being connected of bolt and screw, and good reliability, can be used as does not have the irony lampshade, uses a kind of alternative of the present utility model when being inconvenient to iron plate is installed yet.

Owing to adopt technique scheme, the utlity model has following beneficial effect:

1. brightness is higher, and price is more much lower than the high power LED desk lamp of equal brightness;

2. can be arranged on the existing desk lamp, need not integral replacing, both reduce cost, protect user's existing investment again;

3. compare fluorescent tube, have that brightness is big, power is little, the advantage of energy-conserving and environment-protective meets the requirement of low-carbon (LC) illumination more.

Description of drawings

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

Fig. 2 is a kind of structural representation of the utility model side.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:

A kind of Universal LED lamp plate, its basic structure comprise lamp holder 1, printed circuit board (PCB) 2 and some LEDs 3 as shown in Figure 1, lamp holder 1 adopts the lamp holder of the U type fluorescent tube of four pins, one side of lamp holder 1 is provided with sheet frame 4, and printed circuit board (PCB) 2 is arranged in the sheet frame 4, and printed circuit board (PCB) 2 connects lamp holder 1.Sheet frame 4 is a rectangle, and the bottom surface of sheet frame 4 adopts transparent plastic to make, and other parts adopt engineering plastics to make, and LED 3 evenly is arranged on the lower surface of printed circuit board (PCB) 2, makes each regional brightness basically identical of whole sheet frame bottom surface.As shown in Figure 2, sheet frame 4 end faces are set with magnet steel 5, and magnet steel 5 is used to connect the irony lampshade of desk lamp.Be provided with screw around the sheet frame 4, screw does not draw in the drawings, and screw is used on the lampshade of non iron fixedly the utility model.

LED 3 constitutes 10 groupings, each 3 LEDs 3 that divide into groups, and the LED 3 in each group is connected on the printed circuit board (PCB) in the mode of series connection, and the LED of series connection is divided into 10 groups, every group of reverse Zener diode all in parallel.At each LEDs 3 all under the situation of operate as normal, Zener diode ends, if there are LED 3 open circuits to damage in the use, the voltage at these group two ends surpasses the reverse-conducting voltage of Zener diode immediately, electric current passes through from Zener diode, except that this group, remaining LED 3 is operate as normal still, and lamp plate still can continue to use.

When the utility model is installed, lamp holder 1 of the present utility model is inserted in the lamp socket of desk lamp, utilizes magnet steel 5 to be fixed on the irony lampshade of desk lamp.If there is not the irony lampshade on the desk lamp, can select for use dual mode to fix, a kind of is that iron plate is installed in the position that anchor ear is installed under the desk lamp lampshade, then re-uses magnet steel and the utility model is installed under the lampshade of desk lamp; Another kind is directly to pass sheet frame 4 screw on every side with screw, is screwed into the lampshade lower surface of desk lamp.

When the utility model being installed on the desk lamp of existing employing U type or H type fluorescent tube, deenergization at first, pull down U type or H type fluorescent tube, take the base of existing desk lamp apart, the two ends of electron rectifier are disconnected, repack the simultaneously supporting electric power driving module of the utility model into, then the output of electric power driving module is connected on the lamp socket of the U type of two pins or four pins or H type fluorescent tube, again install the base of desk lamp, lamp holder 1 of the present utility model is inserted in the lamp socket of desk lamp, and magnet steel by being arranged on sheet frame 4 end faces 5 is fixed on the utility model on the lampshade.

Claims

1. Universal LED lamp plate, comprise lamp holder (1), printed circuit board (PCB) (2) and some LEDs (3), it is characterized in that: a side of lamp holder (1) is provided with sheet frame (4), printed circuit board (PCB) (2) is arranged in the sheet frame (4), printed circuit board (PCB) (2) connects lamp holder (1), be arranged on printed circuit onboard led (3) and constitute the grouping series circuit, every group of reverse Zener diode in parallel.

2. Universal LED lamp plate according to claim 1 is characterized in that: described lamp holder (1) adopts two pins or the U type of four pins or the lamp holder of H type fluorescent tube.

3. Universal LED lamp plate according to claim 1 and 2, it is characterized in that: described sheet frame (4) is a rectangle, the bottom surface of sheet frame (4) is transparent, and printed circuit board (PCB) (2) is arranged in the sheet frame (4), and LED (3) evenly is arranged on the lower surface of printed circuit board (PCB) (2).

4. Universal LED lamp plate according to claim 1 and 2 is characterized in that: described sheet frame (4) end face is set with magnet steel (5).

5. Universal LED lamp plate according to claim 3 is characterized in that: described sheet frame (4) end face is set with magnet steel (5).

6. Universal LED lamp plate according to claim 1 and 2 is characterized in that: described sheet frame (4) both sides of the edge are provided with screw.

7. Universal LED lamp plate according to claim 3 is characterized in that: described sheet frame (4) both sides of the edge are provided with screw.