CN102418884A

CN102418884A - Illumination lamp with uniform illuminance

Info

Publication number: CN102418884A
Application number: CN2011103892172A
Authority: CN
Inventors: 张发伟; 朱桃林; 郑兆勇; 林万炯
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-11-30
Filing date: 2011-11-30
Publication date: 2012-04-18
Also published as: WO2013078576A1

Abstract

The invention discloses an illumination lamp with uniform illuminance. The illumination lamp is deviated from a central line of an illumination area and comprises a lamp holder, a socket, and a light emitting module; the socket is arranged at the end of the lamp holder; the light emitting module is accommodated in the lamp holder and is electrically connected with the socket; and the illumination lamp is characterized in that the light emitting module comprises at least two groups of different light-emitting diode (LED) luminous bodies of which emergent light central lines are not consistent and illumination intensities are different. Multiple groups of the LED luminous bodies with different emergent light central line angles are arranged in the lamp holder, so that the illumination range is widened, the illuminance is improved, and the phenomenon that the illumination is not uniform when an object is irritated by LED luminous body groups with single emergent light central line angles is avoided; a lens is not needed to be arranged in single LED luminous body; the illumination lamp has a simple whole structure and is convenient to install; and the intersection angles of the emergent light central lines among different groups of LED luminous bodies can be adjusted or changed according to actual requirements, so that illumination of a required area can be obtained, and the illumination lamp can be adjusted flexibly and easily.

Description

The uniform illuminating lamp of a kind of illumination

Technical field

The present invention relates to a kind of illuminating lamp, the uniform illuminating lamp of particularly a kind of illumination.

Background technology

LED is as a kind of novel lighting source; Though have advantages such as energy-conserving and environment-protective, luminous efficiency height and long service life; But because the light beam that sends of led light source and the distance between the irradiated object do not wait problems such as can producing the even divergence of beam of uneven illumination, the center line that particularly departs from irradiation area when led light source is provided with under the situation, when being arranged on the position concordant with the cabinet top when led light source and shining; Led light source is nearest from the cabinet top; Irradiation light is brighter, and led light source is from the furthest of bottom of cabinet bulk, and irradiation light is darker; Produce the whole counter even phenomenon of uneven illumination up and down thus, can't obtain the illuminating effect of uniformity preferably.

In the prior art; In order to improve the even defective of LED uneven illumination, be that the Chinese invention patent " a kind of LED lamp holder " of CN201110002480.1 just provides a kind of like this LED lamp holder if any application number, it comprises LED lamp tube; Led light source; The LED seat that led light source is mounted thereto and be in one group of lens before the led light source focuses on and processing such as emission the light that led light source sent, so that obtain equally distributed output light; Wherein these group lens comprise: near first lens of said led light source, be used to spread the light that said led light source sends; Be positioned at second lens after said first lens, be used for the light through said first lens is disperseed again and focuses on; And be arranged in the 3rd lens after said second lens, be used for the light through said second lens is disperseed once more and focuses on.LED lamp holder in the above-mentioned patent utilizes one group of lens that are positioned at before the LED lamp source to come the light that send in LED lamp source is handled; Thereby obtained equally distributed hot spot, still, the implementation structure of above-mentioned patent is comparatively complicated; Three lens need be set in lamp holder; Not only need increase the inner volume of lamp holder, and can increase the manufacturing cost of lamp holder, bring certain difficulty also can for the assembling and the maintenance of lamp holder; In addition, the illumination range of this holder structure receives the restriction of lamp holder inner space size, and range of exposures receives the restriction of the rising angle of lens own, and the lighting area of lamp holder can not increase along with the height of irradiated object and make flexibly and adjusting.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of simple in structure, easy for installation and can effectively increase the uniform illuminating lamp of illumination of illumination zone to above-mentioned prior art present situation.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: the uniform illuminating lamp of a kind of illumination; Deviate from the center line setting of irradiation area; This illuminating lamp includes lamp socket, socket and illuminating module; Said socket is arranged at the end of said lamp socket, and said illuminating module is placed in the said lamp socket and is electrically connected with said socket, it is characterized in that: the LED illuminator that described illuminating module includes at least two group bright dipping centerline direction is inconsistent and exposure intensity is different.

Each relative position relation of organizing the LED illuminator can have multiple set-up mode, and as preferably, each organizes said LED illuminator respectively along the length direction alternate intervals setting of said lamp socket.Because the bright dipping centerline direction of each group LED illuminator is different, each group LED illuminator alternate intervals is provided with, can balanced respectively organize the light beam between the illuminator, obtain uniform lighting effect.

Preferred as another, each is organized said LED illuminator and is arranged side by side along the length direction of said lamp socket respectively.Be that every group of LED illuminator becomes a row along the lamp socket length direction separately, illuminator is arranged side by side structure one to one before and after forming between the adjacent then LED illuminator group.

In order to make structure more compact, and make things convenient for installing and replacing, as preferably, be provided with the circuit board that is electrically connected with said socket in the said lamp socket, each is organized said LED illuminator and is fixedly set on the said circuit board.

Consider the actual installation structure of lamp body, number of circuit boards can have only one, also polylith can be arranged; In order to reduce installation volume, save assembly space, as preferably; Described circuit board quantity is one, and each is organized said LED illuminator and all is fixedly set on this same said circuit board.So; All LED illuminators can be arranged on the same circuit board simultaneously; The base of two adjacent LED illuminators can be towards different direction settings; With the bright dipping center line angle setting in a certain angle between the realization adjacent LED illuminator, thereby form the inconsistent LED illuminator of two groups or more bright dipping center line group.

Preferred as further; The group number of described circuit board quantity and said LED illuminator equates that install for ease and debug, every group of said LED illuminator is fixedly set in respectively on the corresponding said circuit board; And; Between the bright dipping center line of the LED illuminator on adjacent two said circuit boards, intersect and be first angle, intersect between two adjacent said circuit boards and be second angle, said first angle and second angle form supplementary angles.So, according to actual conditions, when the subject area of needs illuminations is big; Can be along lamp socket circumferentially set gradually a plurality of circuit boards; One group of LED illuminator is set on each circuit board, since crossing in a certain angle between the adjacent circuit board, make the bright dipping center line that is arranged between the LED illuminator on each circuit board also be certain included angle; Thereby can form the bigger bright dipping zone that circumferentially distributes along lamp socket, satisfy the requirement of large area lighting.

For dustproof and waterproof, and improve aesthetic property, as preferably, the top of said lamp socket also is connected with lampshade, and said lampshade and lamp socket also are provided with sealing strip in the junction.

Installation and removal for ease, preferred as further, the two ends of said lamp socket are respectively arranged with an end cover, and each said end puts and also is provided with and can overlaps the fixed mounting that rotates with respect to this end.Fixed mounting can be fixedly set on the face of being mounted, and lamp socket was realized installing through end cover and cooperating of respective fixation mount pad, and realized the adjusting of lamp socket illumination direction with respect to the rotation of fixed mounting through end cap.

Compared with prior art; The invention has the advantages that: many groups are set in lamp socket have different bright dipping center line angles and the different LED illuminator of intensity of illumination; Through the overlapping combination between the LED illuminator on the same group not, not only enlarged illumination zone, also improved brightness of illumination; Make illuminating lamp can be implemented in the illumination in the large tracts of land more, the uneven phenomenon of illumination when having avoided the LED illuminator group irradiating object of single bright dipping center line angle; Secondly, adopt the mode of the bright dipping center line interlaced arrangement of LED illuminator, need not in single led illuminator, to set up lens; Overall structure is simple; Easy for installation, and can be according to actual needs, through adjustment or change not the crossing angle of the bright dipping center line between the LED illuminator on the same group; Thereby obtain the illumination in the zone of wanting, regulate simple more flexibly.

Description of drawings

Fig. 1 is the overall structure sketch map of the embodiment of the invention.

Fig. 2 is the three-dimensional exploded view of the embodiment of the invention.

Fig. 3 is the subssembly drawing of the embodiment of the invention.

Fig. 4 is the left view (removing left-hand end cover and left side fixed mounting) of the embodiment of the invention.

Fig. 5 is one of the light beam projecting sketch map of two illuminators of the embodiment of the invention.

Fig. 6 be the embodiment of the invention two illuminators the light beam projecting sketch map two.

Fig. 7 is another overall structure sketch map (different illuminators are installed on the same circuit board) of the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Like Fig. 1～shown in Figure 4, the illuminating lamp of present embodiment departs from the setting of irradiation area center line, mainly solves light fixture even problem of uneven illumination when irradiating object that center line that this type depart from irradiation area is provided with, and is common like the counter lamp etc.

The illuminating lamp of present embodiment includes lamp socket 1; The top of this lamp socket 1 is connected with lampshade 2; Can adopt various syndeton of the prior art between lampshade 2 and the lamp socket 1; Preferably adopt the draw-in groove respective outer side edges, in order to improve the connection compactness, lampshade 2 also is provided with sealing strip 3 with lamp socket 1 in the junction; Be provided with circuit board 4 in the lamp socket 1, on the circuit board 4 illuminating module be installed, an end of lamp socket 1 is provided with the socket 11 that is electrically connected with circuit board 4; This socket 11 can be supplied power to illuminating module by external power supply, and the two ends of lamp socket 1 also respectively are connected with end cover 6, is connected with fixed mounting 7 again on this end cover 6; Fixed mounting 7 can be fixedly connected on the installed surface; And, end cover 6 with can be after fixed mounting 7 cooperates with respect to fixed mounting 7 rotations, thereby the adjusting of realization illuminating lamp irradiating angle.

The lamp socket 1 of present embodiment is elongated; The inner chamber of lamp socket 1 is provided with two base plates 12 that intersect at an angle; Be furnished with a described circuit board 4 on each base plate 12; The illuminating module of present embodiment includes two groups of LED illuminators 5, is respectively a LED illuminator 51 and the 2nd LED illuminator 52, and every circuit board 4 is provided with one group of LED illuminator 5; Can be fixedly connected through screw 41 between the base of each LED illuminator 5 and the circuit board 4; Every group of LED illuminator 5 is made up of a plurality of LED lamps, and the bright dipping center line 8 of the LED illuminator 5 on same circuit board 4 all is provided with in the same direction, considers the uniformity of illumination; LED lamp between two groups of LED illuminators 5 is alternately and is provided with at interval; Be provided with the 2nd LED illuminator 52 that bright dipping center line 8 directions are different from a LED illuminator 51 between the LED illuminator 51 that promptly two have an equidirectional bright dipping center line 8, referring to Fig. 2 and Fig. 3, the distance and the quantity of alternate intervals can be made adaptive adjustment according to the needs of actual range of exposures between two groups of LED illuminators 5; As can be provided with one the 2nd LED illuminator 52 by two the one LED illuminators 51 in every interval, also can two the 2nd LED illuminators 52 be set the LED illuminator 51 in every interval; And the exposure intensity of a LED illuminator 51 and the 2nd LED illuminator 52 is also different, after the light beam stack with two groups of illuminators of different illumination intensity and different bright dipping center lines, can on irradiated object, obtain the uniform light beam of illumination.

So the bright dipping center line 8 between the adjacent LED illuminator 5 is first angle, intersects between two adjacent circuit boards 4 and be the second angle β; Referring to Fig. 4, be supplementary angles between first angle and the second angle β, and; The light beam that sends through a LED illuminator 51 can form the first hot spot projection A, and the light beam that the 2nd LED illuminator 52 sends can form the second hot spot projection B, when the second angle β angle reduces; The bright dipping center line 8 of two groups of LED illuminators 5 each other near; The overlapping region T of the first hot spot projection A and the second hot spot projection B increases, and the gross area that illuminating lamp can shine reduces, referring to Fig. 5; When the second angle β angle increases, the bright dipping center line 8 of two groups of LED illuminators 5 each other away from, the overlapping region T of the first hot spot projection A and the second hot spot projection B reduces, the gross area that illuminating lamp can shine increases, referring to Fig. 6; Therefore; The angle that can regulate the second angle β makes win hot spot projection A and the second hot spot projection B in suitable scope, carry out overlapping; The overlapping region has just in time strengthened the intensity of illumination that is in two hot spot projecting edges, makes illuminating lamp in desired irradiated area, to obtain uniform illumination, is particularly suitable for the illumination of cabinets such as the bigger counter of volume, showcase or showcase; Guarantee the cabinet uniformity of illumination up and down, avoid local light according to more weak darker phenomenon; In addition; Present embodiment is owing to adopted the LED lamp as LED illuminator 5; The size of the hot spot projected area of each LED illuminator 5 can be controlled through the lens shooting angle that changes the LED lamp, the illumination of illuminating lamp and the size of WBR scope can be regulated thus.

In addition; For simplified structure, reduce installation volume, also can two groups of LED illuminators 5 be installed on the same circuit board 4 simultaneously; Be that a circuit board 4 only is set in the lamp socket 1; Through changing the setting angle of a LED illuminator 51 and the 2nd LED illuminator 52 bases, be implemented on the same circuit board 4 alternately that the compartment of terrain is provided with bright dipping center line 8 inconsistent two groups of LED illuminators 5, referring to Fig. 7.

According to actual needs; Also can increase the group number of LED illuminator 5, make lamp socket 1 along circumferential arrangement three groups or more LED illuminator of organizing 5 arranged more, each organizes the bright dipping center line 8 of LED illuminator 5 all towards the different directions setting; Thereby can increase the projected area of illuminating lamp; And obtain the continuity and the uniformity of illumination, obtain better illuminating effect, effectively avoid shining shade and dark space.

Claims

1. uniform illuminating lamp of illumination; Deviate from the center line setting of irradiation area; This illuminating lamp includes lamp socket (1), socket (11) and illuminating module; Said socket (11) is arranged at the end of said lamp socket (1), and said illuminating module is placed in the said lamp socket (1) and is electrically connected with said socket (11), it is characterized in that: the LED illuminator (5) that described illuminating module includes at least two group bright dipping center line (8) direction is inconsistent and exposure intensity is different.

2. the uniform illuminating lamp of illumination according to claim 1 is characterized in that: each is organized said LED illuminator (5) and is provided with along the length direction alternate intervals of said lamp socket (1) respectively.

3. the uniform illuminating lamp of illumination according to claim 1 is characterized in that: each is organized said LED illuminator (5) and is arranged side by side along the length direction of said lamp socket (1) respectively.

4. the uniform illuminating lamp of illumination according to claim 1 is characterized in that: be provided with the circuit board (4) that is electrically connected with said socket (11) in the said lamp socket (1), each is organized said LED illuminator (5) and is fixedly set on the said circuit board (4).

5. the uniform illuminating lamp of illumination according to claim 4 is characterized in that: described circuit board quantity is one, and each is organized said LED illuminator (5) and all is fixedly set on this same said circuit board.

6. the uniform illuminating lamp of illumination according to claim 4; It is characterized in that: the group number of described circuit board (4) quantity and said LED illuminator (5) equates; Every group of said LED illuminator (5) is fixedly set in respectively on the corresponding said circuit board (4); And; Be positioned to intersect between the bright dipping center line (8) of the LED illuminator (5) on adjacent two said circuit boards (4) and be first angle (α), intersect between adjacent two said circuit boards (4) and be second angle (β), said first angle (α) and second angle (β) formation supplementary angles.

7. according to the uniform illuminating lamp of the described illumination of arbitrary claim in the claim 1～6, it is characterized in that: the top of said lamp socket (1) also is connected with lampshade (2), and said lampshade (2) and lamp socket (1) also are provided with sealing strip (3) in the junction.

8. the uniform illuminating lamp of illumination according to claim 7 is characterized in that: the two ends of said lamp socket (1) are respectively arranged with an end cover (6), and also being provided with on each said end cover (6) can be with respect to the fixed mounting (7) of this end cover (6) rotation.