CN201373285Y

CN201373285Y - LED flood lamp

Info

Publication number: CN201373285Y
Application number: CN200920136973U
Authority: CN
Inventors: 匡振宇; 宋良平; 郭武举
Original assignee: XIAMEN ZHONGKE SOUTHERN INVESTMENT CO Ltd
Current assignee: Rizhao Dilaite Optoelectronic Industry Development Co., Ltd.
Priority date: 2009-03-03
Filing date: 2009-03-03
Publication date: 2009-12-30
Anticipated expiration: 2019-03-03

Abstract

The utility model discloses an LED flood lamp, which comprises an LED lamp panel, a plurality of LED light sources, an LED main light source, a data distributor and constant current modules, wherein the LED light sources and the LED main light source are arranged on the LED lamp panel, and the constant current modules are correspondingly connected with the LED light sources and the main light source respectively. An external power source is connected with the LED main light source via one constant current module, a single chip microcomputer is arranged inside the main light source, the main light source is connected with a difference transmitting end of the data distributor, and each difference receiving end of the data distributor is respectively connected with the LED light sources via other constant current modules. The LED flood lamp is small in volume, small in occupied space, convenient for moving and transporting and low in cost.

Description

A kind of LED Projecting Lamp

Technical field

The utility model relates to lighting apparatus, particularly a kind of LED Projecting Lamp.

Background technology

Enhancing along with environmental protection ideas, energy-saving product uses in social life more and more, at lighting field, the application of the LED that brightness height and energy consumption are low is just extensive all the more, as the LED Projecting Lamp, it is a kind of electric light source of uniform irradiation to all the winds, can make the projecting environment of illumination of specifying on the face to be illuminated, usually, it can aim at any direction irradiation, is not subjected to the weather condition effect, is mainly used in large tracts of land operation factories and miness, contour of building, the stadium, viaduct, monument, park and flower bed etc., almost contain the outdoor large area lighting light fixture that is useful on, the scope of application is extensive.

Development along with technology, the function of present Projecting Lamp is more and more, the Projecting Lamp that can according to setting present different pattern wider as present use, it is with some groups of led light sources 70 and connects and be arranged on the LED lamp plate again, and connects a DMX master console 80 on the main line, with reference to shown in Figure 1, the operator at first utilizes master console 80 to programme, set style to display,, present default style and change again by the light on and off of master console 80 by each led light source 70 of control; Yet in aforementioned structure, every Projecting Lamp all must be equipped with a DMX master console 80 and operate and control, the cost costliness, and volume is big, and weight is big, is difficult for carrying.

On the other hand, please refer to Fig. 2 and shown in Figure 3 again, it has disclosed the structural representation of existing common Projecting Lamp, comprise LED lamp plate 10, protecgulum 20, shell 30 and bonnet 40, LED lamp plate 10 is provided with some led light sources, the both sides of shell 30 are fastened with protecgulum 20, bonnet 40 respectively, thereby form a containing cavity, and LED lamp plate 10 is fixedly installed on a side of protecgulum 20 opposite shell 30; Because present LED Projecting Lamp general heating amount is big, therefore fasten in the formed containing cavity with shell 30 and also be fixed with heat abstractor 50 at protecgulum 20, and in order to strengthen radiating effect, fan 60 also is equipped with, utilize the rotation of fan 60, quicken flowing of air, make that heat radiation is faster.

In order to realize effective heat radiation, the power of fan 60 is generally higher, and when opening the LED Projecting Lamp, promptly open fan 60, yet, according to the reality measuring and calculating as can be known, the LED Projecting Lamp is in a period of time of just having opened, and temperature can't be very high, have only when work a period of time, when temperature reaches certain value, just can the operate as normal of LED lamp plate 10 be impacted, then the LED Projecting Lamp just be opened into its temperature be raised to this definite value during this period of time in, the rotation of fan 60 is also unnecessary, also waste a large amount of electric energy, increase use cost, and shorten its service life.

In view of this, the design people studies improvement at present LED Projecting Lamp structure, and this case produces thus.

The utility model content

Main purpose of the present utility model is to provide a kind of LED Projecting Lamp, and its volume is little, and it is little to take up room, and is convenient to move and carrying, and is with low cost.

Secondary objective of the present utility model is to provide a kind of LED Projecting Lamp, and it can effectively save electric energy, and prolongs the service life of fan, reduces use cost.

A purpose more of the present utility model is to provide a kind of LED Projecting Lamp, and its illumination effect is good.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of LED Projecting Lamp, comprise a LED lamp plate and some led light sources disposed thereon and a LED main light source, data distributor and respectively with the corresponding constant flow module that is connected of each led light source and main light source, extraneous power supply is connected with the LED main light source via a constant flow module, and the built-in single-chip microcomputer of this main light source, and be connected with the difference transmitting terminal of data distributor, and each differential received end of data distributor is connected with led light source via all the other each constant flow modules respectively.

Above-mentioned LED Projecting Lamp comprises that also a fan, measures the temperature of LED lamp plate and be sent to the temperature sensor of control module and the temperature and the preset value of LED lamp plate compared and control starting fan whether control module.

Adjacent LED light source and the centre-to-centre spacing between the main light source on the above-mentioned LED lamp plate are 30mm, and the radius of LED lamp plate is 300mm, and the light of light source and main light source is the 30 degree angles of divergence from the outside bright dipping of lamp holder.

After adopting such scheme, the utility model is by at the built-in single-chip microcomputer of LED main light source, with this main light source as proxy, substitute the DMX master console in the conventional art, and be connected with all the other led light sources by data distributor, control, only need program is sintered in the single-chip microcomputer, can control light on and off, gray scale of each led light source etc., easy to use, use cost is low, and volume is little, it is little to take up room, and is convenient to move and carrying.

On the other hand, the utility model is by being provided with the temperature of temperature sensor measurement LED lamp plate, and temperature data is real-time transmitted to control module, and control module compares the preset value of this temperature data and storage, if the temperature of LED lamp plate is higher than preset value, then control fan and start working, help the heat radiation of LED lamp plate, reduce temperature, guarantee LED lamp plate operate as normal, shorten the service time of fan, save electric energy, and prolong the service life of fan.

Description of drawings

Fig. 1 is that a kind of structure of existing Projecting Lamp connects block diagram;

Fig. 2 is a kind of solid combination schematic diagram of existing Projecting Lamp;

Fig. 3 is a kind of perspective exploded view of existing Projecting Lamp;

Fig. 4 is that structure of the present utility model connects block diagram;

Fig. 5 is a connection diagram of the present utility model;

Fig. 6 is the front view of led board in the utility model.

The specific embodiment

Below in conjunction with drawings and the specific embodiments the utility model is elaborated.

With reference to shown in Figure 4, be the structured flowchart of a kind of LED Projecting Lamp of the utility model, comprise a LED lamp plate 1, some led light sources 2, a LED main light source 3, respectively with each led light source 2 and main light source 3 corresponding constant flow module that is connected 4 and data distributors 5.

LED main light source 3 is arranged on the LED lamp plate 1, and is connected with extraneous power supply by a constant flow module 4; These LED main light source 3 built-in single-chip microcomputers 6, producer can advance the light-emitting procedure burning that configures in this single-chip microcomputer 6 in advance, so that carry out control work.

Data distributor 5 is an intermediate equipment, it is used to carry out the information transmission of one-to-many, in the present embodiment, have a difference transmitting terminal and some differential received ends, the concrete number of this differential received end is decided by the model of selected data distributor 5, can determine according to the number of the led light source 2 of the required connection of reality, use differential mode to carry out transfer of data, make that the anti-common mode disturbances characteristic of signal is better, improve the antijamming capability of signal, guarantee the accurate of transfer of data; The difference transmitting terminal of data distributor 5 is connected with single-chip microcomputer 6, and the differential received end is connected with each constant flow module 4 respectively, and controls the duty of led light sources 2 by constant flow module 4.

During the utility model work, connect power supply, 3 built-in single-chip microcomputer 6 beginnings of LED main light source are carried out work according to default program, send the state control for each led light source 2 respectively, as light on and off, gray scale etc., and send into the difference transmitting terminal, deliver to the differential received end through data distributor 5,, change the duty of each led light source 2 by the adjusting of each constant flow module 4, realize default seven color synchronously, saltus step, gradual change and grey scale change etc., form various pattern or moulding.

In the present embodiment, in order to reduce the operating temperature of LED lamp plate 1, a fan 7 is set near LED lamp plate 1 also, and comprise control module 8 and temperature sensor 9, with reference to shown in Figure 5, temperature sensor 9 is arranged near the LED lamp plate 1, and the temperature of real-time sensing LED lamp plate 1 when work; Temperature sensor 9 is sent the temperature value that records into control module 8 simultaneously, in control module 8, prestore a maximum temperature value that guarantees that LED lamp plate 1 is working properly, control module 8 compares temperature value and this preset value that receives, when being higher than preset value, illustrate that the environment temperature of LED lamp plate 1 is too high at this moment, can influence its operate as normal, then control fan 7 and open, quicken 1 heat radiation of LED lamp plate, prolong its service life; Owing to only when temperature is higher than certain value, just open fan 7 in the present embodiment, therefore can effectively shorten the service time of fan 7, save electric energy, and prolong its service life.。

In addition, in order to reach preferable illumination effect, in the present embodiment, with reference to shown in Figure 6, LED lamp plate 1 is the circular plate body of 300mm for radius R, and each led light source 2 and main light source 3 are arranged on the LED lamp plate 1 for the 30mm space with centre-to-centre spacing, and make the light of light source 2 and main light source 3 be the 30 degree angles of divergence from the outside bright dipping of lamp holder.

In sum, a kind of LED Projecting Lamp of the utility model, focus at LED main light source 3 built-in single-chip microcomputers 6, make main light source 3 become proxy, in single-chip microcomputer 6, under stored program control, control the luminance of each led light source 2 by data distributor 5, realize that light such as seven coloured silks are synchronous, saltus step change, save the use of DMX master console 80 in the existing structure, reduced volume reduces cost.

Above embodiment only is explanation technological thought of the present utility model; can not limit protection domain of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection domain.

Claims

1, a kind of LED Projecting Lamp, it is characterized in that: comprise a LED lamp plate and some led light sources disposed thereon and a LED main light source, data distributor and respectively with the corresponding constant flow module that is connected of each led light source and main light source, extraneous power supply is connected with the LED main light source via a constant flow module, and the built-in single-chip microcomputer of this main light source, and be connected with the difference transmitting terminal of data distributor, and each differential received end of data distributor is connected with led light source via all the other each constant flow modules respectively.

2, a kind of LED Projecting Lamp as claimed in claim 1 is characterized in that: described LED Projecting Lamp comprises that also a fan, measures the temperature of LED lamp plate and be sent to the temperature sensor of control module and the temperature and the preset value of LED lamp plate compared and control starting fan whether control module.

3, a kind of LED Projecting Lamp as claimed in claim 1, it is characterized in that: adjacent LED light source and the centre-to-centre spacing between the main light source on the described LED lamp plate are 30mm, the radius of LED lamp plate is 300mm, and the light of light source and main light source is the 30 degree angles of divergence from the outside bright dipping of lamp holder.