CN204494122U

CN204494122U - Led lamp tube

Info

Publication number: CN204494122U
Application number: CN201420857965.8U
Authority: CN
Inventors: 邓子长
Original assignee: SHENZHEN CHANGFANG SEMICONDUCTOR LIGHT CO Ltd
Current assignee: Shenzhen rectangular group Limited by Share Ltd
Priority date: 2014-12-29
Filing date: 2014-12-29
Publication date: 2015-07-22
Anticipated expiration: 2024-12-29

Abstract

The utility model belongs to LED technical field of semiconductor illumination, aim to provide a kind of LED lamp tube, comprise the end cap at body, driving power, the light emitting module be electrically connected with described driving power and the two ends that are installed on described body, the output of described driving power is located in described body, and input is located in described end cap.The utility model, its body is formed by glass material extrusion moulding, by one-body molded one mount pad offering draw-in groove on this body, wherein, this draw-in groove is arranged on 0 ~ 3/4 place of base to top of body, and the PCB lamp board of LED lamp tube is fastened in this draw-in groove, like this, the security of LED lamp tube is high and light efficiency is high, and the assembling connecting and can complete LED lamp tube and illuminating module is simply and easily fixed without binding agent, thus realize the efficient operation of the streamline of LED lamp tube, and then improve the production efficiency of LED lamp tube, moreover, its Rework Technics is also fast very convenient.

Description

LED lamp tube

Technical field

The utility model belongs to LED technical field of semiconductor illumination, relates to a kind of LED lamp tube, particularly relates to a kind of LED tube light.

Background technology

Now, LED semiconductor lighting market reaches its maturity, on market, LED illumination lamp is of a great variety, but generally, LED lamp tube mainly contains following three kinds of predominate architecture: the aluminium section bar+PC cover structure that 1) existing market is very common, wherein, the cost of this kind of lamp tube structure is relatively high, and in an assembling process, its metallic member easily leaks electricity, therefore security is not high; 2) market has just been risen the overall plastic lamp tube structure of PC soon, wherein, this kind of fluorescent tube is mainly formed by PC extrusion moulding, and not only cost is relatively high for it, and in the use procedure of reality, because fluorescent tube can generate heat, and be easy to cause fluorescent tube entirety to occur bending and deformation, and usually, fluorescent tube is longer, this kind of flexural deformation is more remarkable, therefore its security performance is not high yet; 3) the glass lamp structure of up-to-date release.

For glass lamp, because its whole lamp effect is closer to the fluorescent lamp of traditional lighting, may become the ultimate version that LED lamp tube updates, and cost all has larger advantage compared with first two structure, thus, its market prospects are considerable.But in the market, substantially all LED lamp tube structures all adopt organic silica gel to the end cap at bond lamp plate and lamp plate two ends, but, consider the characteristic of organic silica gel, because existing LED lamp tube adopts organic silica gel in large quantities, glass lamp is no exception, like this, following technical problems can be caused: 1) in an assembling process, solidification because of organic silica gel needs cycle regular hour, thus, regular hour can be there is poor between each operation, this can cause pile line operation technique smooth not, have a strong impact on the efficiency of assembling, greatly constrain the production capacity of LED lamp tube, 2) because of the non-dismountable property of organic silica gel bonding mode, when light fixture is out of order, people can only select glass lamp to be broken into pieces the fault of repairing fluorescent tube inside, like this, not only waste glass material, and take time and effort very much when clearing up organic silica gel, therefore the rework process of this kind of LED fluorescent tube also becomes a difficult problem for a restriction LED lamp tube batch production.

Utility model content

The purpose of this utility model is to provide a kind of LED lamp tube, low and/or reprocess operation and take time and effort and the lower technical problem of the production efficiency of the LED lamp tube caused in order to solve its packaging efficiency of existing LED lamp tube.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: provide a kind of LED lamp tube, this LED lamp tube comprises the first end cap and second end cap at body, driving power, the light emitting module be electrically connected with described driving power and the two ends that are installed on described body respectively, the output of described driving power is located in described body, and input is located in described first end cap; Described body is formed by glass material extrusion moulding, and the madial wall of described body is one-body molded the mount pad offering draw-in groove;

Described draw-in groove is located at 0 ~ 3/4 place of base to distance from top of described body, and described light emitting module is fixedly connected in described draw-in groove.

Further, described light emitting module comprises PCB lamp board and several light sources be connected be arranged in described PCB lamp board, and described PCB lamp board is arranged in described draw-in groove.

Further, described PCB lamp board is provided with multiple pad, and each described light source is located on corresponding described pad, and the output of described driving power is electrically connected on described pad.

Further, between described driving power and described PCB lamp board, there is a gap, in described gap, be filled with adhesive.

Further, the inwall of described body is provided with the coating that has light transmission.

Further, in the structure type of a kind of draw-in groove provided at the utility model, described draw-in groove comprises a support platform, the supporting surface of described support platform and the bottom surface of described PCB lamp board suitable; This draw-in groove also comprises biside plate and two limiting plates, and described in side plate described in two and two, limiting plate is positioned at the both sides of described support platform respectively; Each described side plate upwards extends by the madial wall of described body, and each described limiting plate extends to the inner chamber of described body by the described side plate of each correspondence.

Further, the supporting surface of described support platform is horizontal planar.

Or further, in the structure type of the another kind of draw-in groove provided at the utility model, described draw-in groove comprises a support platform, the supporting surface of described support platform and the bottom surface of described PCB lamp board suitable; This draw-in groove also comprises biside plate and two limiting plates, and described in side plate described in two and two, limiting plate is positioned at the both sides of described support platform respectively; Each described side plate extends to the inner chamber of described body by the madial wall of described body, and each described limiting plate is extended to the inner chamber of described body by the described side plate of each correspondence.

Compared with prior art, the beneficial effect of LED lamp tube that the utility model provides is:

(1) by one-body molded one mount pad offering draw-in groove on body, the PCB lamp board of LED lamp tube is fastened in this draw-in groove, like this, the assembling of LED lamp tube and light emitting module can be completed without binding agent simply and easily, and achieve the efficient operation of the streamline of LED lamp tube, and then improve the production efficiency of LED lamp tube, moreover, in rework process, also fast very convenient, time saving and energy saving;

(2) what adopt because of this LED lamp tube is that glass material is made, and thus, it has good anti-bending strength, and good heat resistance, like this, drastically increases the security performance of LED lamp tube; In addition, this can make that the outward appearance of LED lamp tube is more novel, light efficiency is high;

(3) therefore plant the relatively traditional fluorescent tube of LED lamp tube, thus, to a certain extent, people more can accept the minimum LED lamp tube of this kind of change.

Accompanying drawing explanation

Fig. 1 is the exploded perspective schematic diagram of LED lamp tube one end in the utility model one embodiment;

Fig. 2 is a schematic cross-section of LED lamp tube one end in Fig. 1;

Fig. 3 is another schematic cross-section of LED lamp tube one end in Fig. 1;

Fig. 4 is the exploded perspective schematic diagram of LED lamp tube one end in another embodiment of the utility model;

Fig. 5 is the schematic cross-section of LED lamp tube one end in Fig. 4;

Fig. 6 is the schematic cross-section of LED lamp tube one end in Fig. 4.

Label in accompanying drawing is as follows:

1 body, 2 driving powers;

3 light emitting modules, 31PCB lamp plate, 311 pads, 32 light sources;

4 first end caps, 41 needle, 42 air-vents;

5 mount pads, 50 draw-in grooves, 51 support platforms, 52 side plates, 53 limiting plates; 6 coatings.

Detailed description of the invention

In order to make technical problem to be solved of the present 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 parts are called as " being fixed on " or " being arranged at " another parts, it can directly on another parts or may there are parts placed in the middle simultaneously.When parts are known as " being connected to " another parts, it can be directly connected to another parts or may there are parts placed in the middle simultaneously.

Also it should be noted that, the corresponding same or analogous parts of same or analogous label in the accompanying drawing of the utility model embodiment, in description of the present utility model, it will be appreciated that, if have term " on ", D score, " left side ", orientation or the position relationship of the instruction such as " right side " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore, the term of position relationship is described only for exemplary illustration in accompanying drawing, the restriction to this patent can not be interpreted as, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.

Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.

embodiment one body is the structure type of regular circle shapes

As shown in FIG. 1 to 3, be a kind of LED lamp tube that the utility model one preferred embodiment provides.

In the present embodiment, as shown in Figure 1, this LED lamp tube comprises first end cap 4 and the second end cap (not shown) at body 1, driving power 2, the light emitting module 3 be electrically connected with driving power 2 and the two ends that are installed on body 1 respectively.Wherein, this body 1 can be multiple section form, such as regular circle shapes, irregular cycle etc., in practical application, can according to the heat dispersion needed for LED lamp tube, and laminating degree etc. requires to select to adopt concrete section form, specifically in the present embodiment, the circular configuration of profile in rule of this body 1, and the strip of this body 1 in inner chamber hollow.

It should be noted that, in the present embodiment, first end cap 4 and the second end cap (not shown) at the two ends of body 1 are all shaping by plastic-injection, and usual first end cap 4 is identical with the structure of the second end cap, thus, followingly only to introduce for the first end cap 4, specifically as shown in Figure 2 or Figure 3, this first end cap 4 comprises in order to the needle 41 of electrical connection and for ventilative air-vent 42, wherein, this needle 41 is generally copper material and makes, this air-vent 42 is circular hole, and first end cap 4 at two ends and the second end cap are normally fixed on body 1 by adhesive bonds.

For ease of realizing electrical connection, the output (not shown) of driving power 2 is located in body 1, and input (not shown) is located in the first end cap 4.

In the present embodiment, body 1 is formed by glass material extrusion moulding, like this, can reduce the cost of whole LED lamp tube, and the profile of whole fluorescent tube compares novel and beautiful.As shown in Figure 1 to Figure 3, the madial wall of body 1 arranges mount pad 5, for fixedly mounting light emitting module 3.For ease of installing light emitting module 3, this mount pad 5 offers draw-in groove 50, obviously, this light emitting module 3 is fastened in draw-in groove 50, by this fixed form, not only eliminate adhesive, also make packaging technology convenient and swift, and then improve the packaging efficiency of LED lamp tube, meanwhile, also avoid the problem being difficult to remove adhesive occurred in rework process, obviously, time saving and energy saving, save material.Certainly, for ensureing the assembling intensity of body 1 and light emitting module 3 further, this mount pad 5 is one-body molded with body 1.

In the present embodiment, in order to make, LED lamp tube has better light efficiency, lighting angle is large and light is softer, draw-in groove 50 is located at 0 ~ 3/4 place of base to distance from top of body 1, wherein, here the base of the body 1 of indication is for top defines as reference using the light-emitting area of body 1, if light-emitting area is top, then this base is then its relative face (namely close to the face of lamp plate), bottommost is set to 0, top is set to 1, thus, understandably, 0 place of indication is the outward flange of glass tube here.Specifically as shown in Figures 2 and 3, the draw-in groove 50 that the present embodiment provides is located at 1/8 place of base to distance from top.

In a word, this LED lamp tube combines the LED lamp of main flow in the market, the material of the lamp body of routine is improved, to go forward side by side its structure of one-step optimization, make that this LED lamp tube light efficiency is high, cost is low, security is high and assemble fast very convenient, production efficiency is further enhanced, and can meet the demand of different occasion, applicability is more extensive.

Further, as shown in Figure 2 or Figure 3, light emitting module 3 comprises PCB lamp board 31 and several light sources be connected 32 be arranged in PCB lamp board 31, in fact, is arranged in draw-in groove 50 by this PCB lamp board 31.It should be noted that, in actual application, user can according to the output characteristics of driving power 2 by each light source 32 serial or parallel connection, or series-parallel connection etc., specifically in the present embodiment, each light source 32 equably linear string is distributed in PCB lamp board 31 with connecting.In addition, preferably, each light source 32 is generally LED lamp source.

Further, as shown in Figure 2 or Figure 3, for ease of being fixedly connected with each light source 32, PCB lamp board 31 is provided with multiple pad 311, each light source 32 is located on corresponding pad 311, wherein, each pad 311 all matches with each corresponding light source 32, for ease of realizing electrical connection, and forming complete circuit connection, the output of driving power 2 is electrically connected on pad 311, preferably, the output of driving power 2 adopts wire or the binding post that matches to be connected with this pad 311 usually, and its input is normally connected by the wire that the first end cap 4 carries.

Further, relatively fixing for ensureing the position of driving power 2, there is a gap (not shown) between driving power 2 and PCB lamp board 31, wherein, in this gap, be filled with adhesive.

It should be noted that, this body 1 can transparent or opaque shape, specifically can determine according to the actual needs.

Further, as shown in Figure 1 to Figure 3, for improving the light transmittance of body 1 as far as possible, and making light softer, the inwall of body 1 is provided with the coating 6 that has light transmission, preferably, in the present embodiment, usually, this coating 6 is spread evenly across the whole internal chamber wall of body 1.

Further, in the present embodiment, provide a kind of structural shape of preferably draw-in groove 50, wherein, as shown in Figure 2, this draw-in groove 50 comprises a support platform 51, the supporting surface of this support platform 51 and the bottom surface of PCB lamp board 31 suitable, also namely, if the bottom surface of PCB lamp board 31 is convex surface, then corresponding supporting surface is concave surface.

Moreover, more as shown in Figure 2, this draw-in groove 50 also comprises biside plate 52 and two limiting plates 53, and wherein, biside plate 52 is positioned at the both sides of support platform 51, and each side plate 52 upwards extends by the madial wall of body 1; Two limiting plates 53 are also positioned at the both sides of support platform 51, and each limiting plate 53 extends to the inner chamber of body 1 by the side plate 52 of each correspondence, and also form an opening between two relative limiting plates 53, namely usual PCB lamp board 31 is entered in this draw-in groove 50 by this opening.

Understandably, corresponding side plate 52 and limiting plate 53 are interconnected, and biside plate 52, two limiting plate 53 and support platform 51 enclose this draw-in groove 50 of formation jointly.

Further, in the present embodiment, provide the structural shape of another kind of preferably draw-in groove 50, wherein, as shown in Figure 3, this draw-in groove 50 comprises a support platform 51, the supporting surface of this support platform 51 and the bottom surface of PCB lamp board 31 suitable, also namely, if the bottom surface of PCB lamp board 31 is concave surface, then corresponding supporting surface is convex surface.

Moreover, more as shown in Figure 3, this draw-in groove 50 also comprises biside plate 52 and two limiting plates 53, and wherein, biside plate 52 is positioned at the both sides of support platform 51, and each side plate 52 extends to the inner chamber of body 1 by the madial wall of body 1; Two limiting plates 53 are also positioned at the both sides of support platform 51, and each limiting plate 53 is extended to the inner chamber of body 1 by the side plate 52 of each correspondence, and also form an opening between two relative limiting plates 53, namely usual PCB lamp board 31 is entered in this draw-in groove 50 by this opening.

Further, as shown in Figure 2 or Figure 3, usually, the supporting surface of support platform 51 is horizontal planar.

the structure type of embodiment two body 1 in irregular cycle

As shown in Fig. 4 ~ Fig. 6, it is a kind of LED lamp tube that another preferred embodiment of the utility model provides.

Now another preferred embodiment that the utility model provides is described.

The technical characteristics of the present embodiment is substantially identical with embodiment one, and therefore not to repeat here, and the main distinction of itself and embodiment one is: as shown in Figure 4, in the present embodiment, the body 1 of LED lamp tube is irregular circular configuration.

The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model.For a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.

Claims

1.LED fluorescent tube, comprise the first end cap and second end cap at body, driving power, the light emitting module be electrically connected with described driving power and the two ends that are installed on described body respectively, the output of described driving power is located in described body, input is located in described first end cap, it is characterized in that: described body is formed by glass material extrusion moulding, the madial wall of described body is one-body molded the mount pad offering draw-in groove;

2. LED lamp tube as claimed in claim 1, is characterized in that: described light emitting module comprises PCB lamp board and several light sources be connected be arranged in described PCB lamp board, and described PCB lamp board is arranged in described draw-in groove.

3. LED lamp tube as claimed in claim 2, is characterized in that: described PCB lamp board is provided with multiple pad, and each described light source is located on corresponding described pad, and the output of described driving power is electrically connected on described pad.

4. LED lamp tube as claimed in claim 2, is characterized in that: there is a gap between described driving power and described PCB lamp board, is filled with adhesive in described gap.

5. LED lamp tube as claimed in claim 2, is characterized in that: the inwall of described body is provided with the coating that has light transmission.

6. the LED lamp tube as described in any one of claim 2 to 5, is characterized in that: described draw-in groove comprises a support platform, the supporting surface of described support platform and the bottom surface of described PCB lamp board suitable; This draw-in groove also comprises biside plate and two limiting plates, and described in side plate described in two and two, limiting plate is positioned at the both sides of described support platform respectively; Each described side plate upwards extends by the madial wall of described body, and each described limiting plate extends to the inner chamber of described body by the described side plate of each correspondence.

7. LED lamp tube as claimed in claim 6, is characterized in that: the supporting surface of described support platform is horizontal planar.

8. the LED lamp tube as described in any one of claim 2 to 5, is characterized in that: described draw-in groove comprises a support platform, the supporting surface of described support platform and the bottom surface of described PCB lamp board suitable; This draw-in groove also comprises biside plate and two limiting plates, and described in side plate described in two and two, limiting plate is positioned at the both sides of described support platform respectively; Each described side plate extends to the inner chamber of described body by the madial wall of described body, and each described limiting plate is extended to the inner chamber of described body by the described side plate of each correspondence.

9. LED lamp tube as claimed in claim 8, is characterized in that: the supporting surface of described support platform is horizontal planar.