CN203298077U

CN203298077U - LED support lamp

Info

Publication number: CN203298077U
Application number: CN2013202669073U
Authority: CN
Inventors: M·H·W·M·范德尔登; 杨兴朋
Original assignee: Philips China Investment Co Ltd
Current assignee: Philips China Investment Co Ltd
Priority date: 2013-05-03
Filing date: 2013-05-03
Publication date: 2013-11-20
Anticipated expiration: 2023-05-03

Abstract

The utility model provides an LED support lamp which comprises a hollow support for accommodating a driving unit, a light-emitting lamp tube supported by an installation frame arranged on the hollow support and a PCB substrate. The PCB substrate is connected with the driving unit, an LED module unit is arranged on the PCB substrate, the hollow support is formed by two or a plurality of section supports, and the driving unit is at least arranged in one section support. A male end cover made of transparent materials and a female end cover made of transparent materials are respectively arranged at the two ends of the light emitting tube and electrically connected with the driving unit in the section support to be in matched connection with a complementary female end cover or a complementary male end cover of another LED support lamp. The LED support lamp can effectively reduce production cost without affecting the system effectiveness of an LED stripe lamp. In addition, the male end cover and the female end cover are made of the transparent materials so as to avoid lighting dark space when a plurality of LED support lamps are connected and effectively guarantee lighting effect.

Description

The LED support lamp

Technical field

The utility model relates to lighting field, relates in particular to a kind of LED support lamp.

Background technology

Traditional bar lamp is generally fluorescent tube, is mainly used in the ground such as office, stadiums, subway, parking lot, school and supermarket, and its light efficiency is low, the life-span is short, power consumption is large, and needs frequent the replacing, and installation cost is high.LED-based lamp product saved the energy, production cost is low, as an alternative and finally replace the investment repayment that the fluorescent lamp product can obtain short-term.

Although have now many LED-based lamp products, but compare with incandescent lamp, the cost of these products of great majority is still high, mainly concentrates on the cost of the aspects such as heat dissipation element, optical element and electronic component, thereby has limited extensive use LED bar lamp product.Therefore, current problem demanding prompt solution is that cost descends and system effectiveness promotes.

On market, existing LED bar lamp product is called as the LED support lamp mostly, as shown in Figure 7, this LED support lamp comprises support 10, be installed on the PCB substrate 30 of support 10 tops and be positioned at the LED lamp bar 31 on PCB substrate 30, the light diffusion shell 40 of U-shaped is connected in support 10 by the groove 11 that arranges on support 10, and a pair of end cap 20 is connected in the two ends of support 10.Although this LED support lamp has solved the problems of fluorescent lamp bar lamp preferably, its cost aspect is still unsatisfactory.At first, the light diffusion shell adopts plastics to make usually, need to have good diffusion and can not cause the light circulation loss, in addition, this light diffusion shell must be fire-retardant, shock resistance, electric insulation have at least certain mechanical hardness, namely have thickness very uniformly, these require all inevitably to have increased the cost of light diffusion shell.Secondly, in order to support PCB substrate and light diffusion shell, support need to extend to the longitudinal length of whole lamp, and in fact, for the drive unit of driving LED, only needs to occupy the support of smaller length, and this has increased the cost of whole LED support lamp equally.

Therefore, be necessary existing LED support lamp is improved, thus further Decrease production cost, and can not have a negative impact to system effectiveness.

The utility model content

The purpose of this utility model is to solve above-mentioned problems of the prior art, from material and structural design, sets about reducing production costs, and guarantees to have simultaneously good serviceability.

according to the technical solution of the utility model, a kind of LED support lamp is provided, the hollow stent that comprises accommodating driver element, printing opacity fluorescent tube and PCB substrate by the installing rack supporting that arranges on described hollow stent, described PCB substrate is connected with described driver element and the LED module unit is installed thereon, wherein, described hollow stent is propped up and is configured to by two or more sections, described driver element is arranged in one of them section support at least, male end lid and the female end lid by transparent material, made are arranged on respectively the two ends of described printing opacity fluorescent tube and are electrically connected to the described driver element in described section support, female end lid or male end lid with the complementation with another LED support lamp are connected.

Preferably, the described hollow stent of accommodating described driver element is positioned at the side of described printing opacity fluorescent tube, and the providing support in the radial direction of described printing opacity fluorescent tube, so that the two ends of described printing opacity fluorescent tube do not form dark space.

Preferably, described printing opacity fluorescent tube is cylindrical glass tube.The structure that adopts than light diffusion shell in existing LED support lamp (as in Fig. 7 with 40 indicated) and material, the cylindrical glass tube cost is lower, mechanical performance is better, and can play certain supporting role, advantageously make up the installation stability that hollow stent is divided into to whole fluorescent tube after a plurality of section supports.

According to a kind of preferred embodiment, described PCB substrate is arranged on described installing rack, and spaced apart with described printing opacity fluorescent tube.By this way, the light that LED launches can form extra refraction in installing rack, has better eliminated the defect of LED light source aspect spot, dazzle.

According to another kind of embodiment, described PCB substrate is arranged on the side of the inside of described printing opacity fluorescent tube near described installing rack, thereby forms direct illumination.

According to another embodiment, described PCB substrate is arranged on the side of the inside of described printing opacity fluorescent tube away from described installing rack.In conjunction with the reflecting surface that arranges on printing opacity fluorescent tube or installing rack, this mode can form indirect lighting, is conducive to eliminate the hot spot defect of LED light source.

Preferably, described installing rack is U-shaped, V-arrangement, semicircle or oval.

Further, at least a portion of the inwall of described printing opacity fluorescent tube is provided with the coating with optical property, and described optical property depends on the required optical effect of described LED support lamp.

Further, at least one described section support, be provided with the electronic component with extra electron function.

By using the technical solution of the utility model, the printing opacity fluorescent tube that glass tube is made and section support be Decrease production cost and can the system effectiveness of LED bar lamp not being exerted an influence effectively.In addition, because male end lid and female end lid employing transparent material are made, and the hollow stent of accommodating driver element is positioned at the side of printing opacity fluorescent tube, and providing support in the radial direction at the printing opacity fluorescent tube, when several LED support lamps utilize the male end lid of lamp tube ends and the formation of female end lid to be connected, can, because blocking of driver element or end cap produces lighting dark space, not guarantee to larger usefulness lighting effect.

The accompanying drawing explanation

Further feature of the present utility model and advantage will be understood better by the preferred embodiment of describing in detail below in conjunction with accompanying drawing, in accompanying drawing, and the same or analogous parts of identical designated, wherein:

Fig. 1 is the schematic diagram according to LED support lamp of the present utility model, illustrates the side that is positioned at the printing opacity fluorescent tube and at two section supports of its radial direction upper support printing opacity lamp tube ends, and the male end that is connected with the section support respectively lid and female end are covered;

Fig. 2 is that wherein the PCB substrate is arranged on installing rack according to the cross section simplified schematic diagram of the LED support lamp of the utility model the first embodiment;

Fig. 3 is the cross section simplified schematic diagram according to the LED support lamp of the utility model the second embodiment, and wherein the PCB substrate is arranged on the side of the inside of printing opacity fluorescent tube near installing rack;

Fig. 4 is the cross section simplified schematic diagram according to the LED support lamp of the third embodiment of the utility model, and wherein the PCB substrate is arranged on the side of the inside of printing opacity fluorescent tube away from installing rack;

Fig. 5 is the cross section simplified schematic diagram according to the LED support lamp of the 4th kind of embodiment of the utility model, in order to simplify, has saved the following part of installing rack, and wherein the PCB substrate is arranged on installing rack, and spaced apart with the printing opacity fluorescent tube;

Fig. 6 and Fig. 5 are similar, show the radiative refraction schematic diagram of LED in embodiment shown in Figure 5; And

Fig. 7 is the structural representation of existing LED support lamp.

The specific embodiment

Fig. 1 shows the schematic diagram according to LED support lamp of the present utility model, the hollow stent of this LED support lamp is propped up and is configured to by two or more sections, illustrate in the figure the side that is positioned at the printing opacity fluorescent tube and at two section support 100a, the 100b at its radial direction upper support printing opacity fluorescent tube 400 two ends, driver element 500 is placed in one of them section support, for example section support 100a.Because printing opacity fluorescent tube 400 is made by glass tube, have certain mechanical hardness, although only its two ends are installed on to installing rack 101a, the 101b of section support 100a, the upper setting of 100b, also can guarantee enough support effects.Certainly, be understandable that, in the situation that fluorescent tube length is long, can be at the side of printing opacity fluorescent tube 400 corresponding increase section support as required.As can be seen from Figure 1, with the male end lid 200a of evagination contact pin 201a, with the female end lid 200b with indent jack 201b, be arranged on respectively the two ends of printing opacity fluorescent tube 400 and be connected with

section support

100a, 100b, simultaneously be contained in the section support in driver element is electrically connected to, thereby can cover and coordinate to realize the interconnected of a plurality of LED support lamps with the female end lid of the complementation of another LED support lamp or male end.End cap can adopt various ways with being connected of section support, such as the connection of the securing members such as screw, or the draw-in groove connection etc., at this, do not do further and repeat.

The size of

section support

100a, 100b can be identical, also can be not identical.For instance, at least one section support, need to arrange the electronic component with extra electron function, when realizing functions such as acoustic control, infrared, light sensation, can provide the section support that has longer size along fluorescent tube longitudinal length direction; And when only needing the driver element of accommodating LED, the section support that another is idle, routine section support 100b as shown in Figure 1 can have relatively little size provides the respective support to the printing opacity fluorescent tube to get final product.Because the cross sectional shape of each section support has similitude, in following explanation, only for section support 100a, describe.

In the utility model, installing

rack

101a, 101b can adopt various suitable shapes, for example U-shaped (Fig. 5, Fig. 6), V-arrangement (Fig. 2), semicircle or oval (Fig. 3, Fig. 4).In the first embodiment shown in Figure 2, section support 100a is by its upper installing rack 101a support printing opacity fluorescent tube 400 that arranges, and accommodating driver element 500 within it.In this embodiment, with driver element 500, being connected the PCB substrate 300 that LED module unit 301 also is installed thereon is arranged on the installing rack 101a of printing opacity fluorescent tube 400 outsides, for accommodating PCB substrate 300 and LED module unit 301, installing rack 101a advantageously is constructed to V-arrangement.This kind structure has formed the light torus, and can be conducive to the heat radiation in use of LED module unit.Printing opacity fluorescent tube 400 can be fully transparent or on its at least a portion inwall, be coated with the coating (indicating with 402 in as Fig. 5) with optical property, so that cut down or eliminate the hot spot defect of LED light source, or make to have specific optical effect by the light that printing opacity fluorescent tube 400 irradiates.For example, can provide the prism film structure to extend the emission pattern of LED light source along the length direction of printing opacity fluorescent tube, in order to produce the effect that increases LED quantity and to reduce hot spot; Perhaps, can provide the film with the light wave selection function, as only for blue light, seen through, reduce thus the light circulation loss.Those skilled in the art can select specific optical property according to practical application, at this, do not do and repeat.

Fig. 3 shows the cross section simplified schematic diagram according to the LED support lamp of the utility model the second embodiment, and wherein PCB substrate 300 is arranged on the side of the inside of printing opacity fluorescent tube 400 near installing rack 101a.In this case, the shape of installing rack 101a can adopt semicircle or ellipse, printing opacity fluorescent tube 400 is provided more reliably, supports.The light that LED module unit 301 is launched directly penetrates through printing opacity fluorescent tube 400 transparent or band coating, forms direct illumination.

Fig. 4 shows the cross section simplified schematic diagram according to the LED support lamp of the third embodiment of the utility model, and wherein PCB substrate 300 is arranged on the side of the inside of printing opacity fluorescent tube 400 away from installing rack 101a.Different from embodiment shown in Figure 3 is, in this embodiment, printing opacity fluorescent tube 400 is provided with reflecting layer 401 near on the inwall of installing rack 101a mono-side, and the light that LED module unit 301 is launched penetrates printing opacity fluorescent tube 400 after via reflecting layer 401, forming reflection indirectly.Thereby formation indirect lighting.

The 4th kind of embodiment and embodiment shown in Figure 2 shown in Fig. 5 is similar, and it is upper that PCB substrate 300 still is arranged on the installing rack 101a of printing opacity fluorescent tube 400 outsides, but with the spaced apart certain distance of printing opacity fluorescent tube.In this embodiment, the shape of installing rack 101a preferably adopts U-shaped to form the light torus, make the light of LED module unit 301 emissions can in installing rack 101a, form refraction, the circulation of generation light, thereby be conducive to reduce the hot spot defect of LED light source, in conjunction with the coating 402 of bright dipping region division on printing opacity fluorescent tube 400, can make the light that penetrates softer comfortable.For instance, as shown in Figure 6, LED module unit 301 is from focal point A1 utilizing emitted light, and light is shown in along arrow on the inwall of U-shaped installing rack 101a and reflects, then at interior formation the second focal point A2 of printing opacity fluorescent tube 400 the final printing opacity fluorescent tube 400 that penetrates.What can expect is, on the inwall of installing rack 101a, also can be coated with optical coating, is used for promoting the light circulation or produces certain specific optical effect.

Technology contents of the present utility model and technical characterstic have below been disclosed; yet be appreciated that; under creative ideas of the present utility model, those skilled in the art can make various changes and improve above-mentioned disclosed structure, but all belongs to protection domain of the present utility model.The description of above-mentioned embodiment is exemplary rather than restrictive, and protection domain of the present utility model is determined by claim.

Claims

1.LED Frame lamp, the hollow stent that comprises accommodating driver element (500), by the installing rack (101a that arranges on described hollow stent, 101b) printing opacity fluorescent tube (400) and the PCB substrate (300) of supporting, described PCB substrate (300) is connected with described driver element (500) and LED module unit (301) is installed thereon, it is characterized in that, described hollow stent is by two or more section support (100a, 100b) form, described driver element (500) is arranged in one of them section support (100a) at least, male end lid (200a) and the female end lid (200b) by transparent material, made are arranged on respectively the two ends of described printing opacity fluorescent tube and are electrically connected to the described driver element in described section support, female end lid or male end lid with the complementation with another LED support lamp are connected.

2. LED support lamp according to claim 1, it is characterized in that, the described hollow stent of accommodating described driver element (500) is positioned at the side of described printing opacity fluorescent tube (400), and the providing support in the radial direction of described printing opacity fluorescent tube (400), so that the two ends of described printing opacity fluorescent tube (400) do not form dark space.

3. LED support lamp according to claim 2, is characterized in that, described printing opacity fluorescent tube (400) is cylindrical glass tube.

4. LED support lamp according to claim 3, is characterized in that, it is upper that described PCB substrate (300) is arranged on described installing rack (101a, 101b), and spaced apart with described printing opacity fluorescent tube (400).

5. LED support lamp according to claim 3, is characterized in that, described PCB substrate (300) is arranged on the side of the inside of described printing opacity fluorescent tube (400) near described installing rack (101a, 101b).

6. LED support lamp according to claim 3, is characterized in that, described PCB substrate (300) is arranged on the side of the inside of described printing opacity fluorescent tube (400) away from described installing rack (101a, 101b).

7. according to arbitrary described LED support lamp in aforementioned claim, it is characterized in that, described installing rack (101a, 101b) is U-shaped, V-arrangement, semicircle or oval.

8. LED support lamp according to claim 7, is characterized in that, at least a portion of the inwall of described printing opacity fluorescent tube (400) is provided with the coating with optical property, and described optical property depends on the required optical effect of described LED support lamp.

9. LED support lamp according to claim 8, is characterized in that, at least one described section support (100a, 100b), is provided with the electronic component with extra electron function.