TWM558873U - High-safety LED lamp tube - Google Patents

Abstract

The tubular lampshade of the conventional LED tube lamp is usually made of fragile material such as glass; therefore, when the user removes and replaces the LED tube lamp by himself, the tubular lampshade is likely to be broken during the replacement process, endangering the user. Safety. The high security LED tube lamp of the present invention comprises a glass outer tubular lamp cover, a polymer tubular inner lamp cover, an LED light bar, a glue layer, a first end cover, a second end cover, and An LED power supply module is formed. Based on such a structural design, if the user manually disassembles and replaces the high-safety LED tube lamp of the present type, the tubular outer lamp cover of the glass material is inadvertently broken, and the tubular inner lamp cover of the polymer material also supports the rupture of the tubular outer lamp cover. In part, the user is prevented from touching the residual power of the LED light bar and/or the LED power supply module. Therefore, the high security LED tube lamp of the present invention can be certified by, for example, the safety of the CNS.

Description

High security LED tube light

The present invention relates to the related technical field of lamps, and more particularly to a high security LED tube lamp.

Light-Emitting Diode (LED) is a widely used light-emitting element, and it is widely used in human daily life due to its small size and long service life. Moreover, with the increasing awareness of environmental protection and energy conservation and carbon reduction, more and more users have replaced old fluorescent lamps with LED lamps. Figure 1 shows an exploded view of an existing LED tube lamp. As shown in FIG. 1 , the existing LED tube lamp 1 ′ includes a tubular lamp cover 11 ′, an LED light bar 12 ′, an LED power supply module 13 ′, a first end cover 14A ′, and a a second end cover 14B'; wherein the LED power supply module 13' is disposed in the first end cover 14A' or the second end cover 14B' for converting the mains to DC power and then supplying the LED Light bar 12'.

Based on the rapid development of the LED lighting industry, the safety of the LED tube lamp 1' has also received attention. For example, the tubular lampshade 11' of the LED tube lamp 1' is usually made of a fragile material such as glass; therefore, when the user removes and replaces the LED tube lamp 1' by itself, the tubular lampshade 11' is most likely Broken during the replacement process. When the tubular lamp cover 11' is broken, the user may come into contact with the LED light bar 12' or the LED power supply module 13' by touching the LED light bar 12' and/or the LED power supply module 13'. Residual power, causing the user to risk electric shock. In short, the tubular lampshade 11' made of pure glass may cause a risk of use of the LED tube lamp 1', so that the LED tube lamp 1' using the glass tubular lampshade 11' may not be safely certified by, for example, the CNS. Among them, UL is a shorthand for Chinese National Standards.

As can be seen from the above description, it is necessary to develop a new tubular lampshade 11' to solve the problem that the existing LED tube lamp 1' may not pass the UL safety certification. In view of this, the creators of this case tried to study the new type, and finally developed a high-security LED tube lamp of the present invention.

The tubular lampshade of the conventional LED tube lamp is usually made of fragile material such as glass; therefore, when the user removes and replaces the LED tube lamp by himself, the tubular lampshade is likely to be broken during the replacement process, endangering the user. Safety. Therefore, the main purpose of the new type is to provide a high-security LED tube lamp, which comprises: a tubular outer lamp cover made of glass material, a tubular inner lamp cover made of polymer material, an LED light bar, a rubber layer, a first end cover, A second end cap is formed with an LED power supply module. Based on such a structural design, if the user manually disassembles and replaces the high-safety LED tube lamp of the present type, the tubular outer lamp cover of the glass material is inadvertently broken, and the tubular inner lamp cover of the polymer material also supports the rupture of the tubular outer lamp cover. In part, the user is prevented from touching the residual power of the LED light bar and/or the LED power supply module. Therefore, the high security LED tube lamp of the present invention can be certified by, for example, the safety of the CNS.

In order to achieve the above-mentioned main purpose of the present invention, the creator of the present invention provides an embodiment of the high security LED tube lamp, comprising: a tubular outer lamp cover; and a tubular inner lamp cover disposed in the tubular outer lamp cover. And having a notch; an LED light bar is disposed in the tubular inner lamp cover and includes at least a circuit substrate and a plurality of LED elements disposed on a surface of the circuit substrate; a glue layer attached to the a bottom surface of the circuit substrate, such that the circuit substrate can be attached to the inner wall surface of the tubular outer lamp cover through the notch; a two-end cover is coupled to both ends of the tubular outer lamp cover; and an LED power supply module It is disposed in any one of the end covers and is electrically connected to the circuit substrate.

In the embodiment of the high security LED tube lamp of the present invention, the tubular outer lamp cover is a glass lamp cover, and the tubular inner lamp cover is a polymer lamp cover.

Moreover, in the embodiment of the high security LED tube lamp of the present invention, a light diffusion film is attached to the inner wall surface of the tubular inner lamp cover.

Moreover, in the embodiment of the high security LED tube lamp of the present invention, the inner wall surface of the tubular outer lamp cover is covered with a light diffusion layer.

In order to more clearly describe a high security LED tube lamp proposed by the present invention, a preferred embodiment of the present invention will be described in detail below with reference to the drawings.

First embodiment

Please refer to FIG. 2 and FIG. 3 , wherein FIG. 2 is an exploded view showing a first embodiment of a high security LED tube lamp of the present invention, and FIG. 3 is a first embodiment showing the high security LED tube lamp of the present invention. A side cross-sectional view of an example. As shown in FIG. 2 and FIG. 3, the high security LED tube lamp 1 of the present invention comprises: a tubular outer lamp cover 11, a tubular inner lamp cover 12, an LED light bar 13, a glue layer 14, and a first The end cover 15A, a second end cover 15B, and an LED power supply module 16; wherein the tubular inner lamp cover 12 is disposed in the tubular outer lamp cover 11 and has a notch 121. Moreover, the LED light bar 13 is disposed in the tubular inner lamp cover 12 and includes at least one circuit substrate 131 and a plurality of LED elements 132 disposed on the surface of the circuit substrate 131.

2 and FIG. 3, and please refer to the first cross-sectional view of the tubular outer lampshade, the tubular inner lampshade, the LED light bar, and the glue layer shown in FIG. In the present invention, the tubular outer lamp cover 11 is made of glass, and the tubular inner lamp cover 12 is made of a polymer, such as polyethylene (PE), polycarbonate (PC), or poly pair. Polyethylene terephthalate (PET), but not limited to this. In particular, the present invention attaches the adhesive layer 14 to the bottom surface of the circuit substrate 131 such that the circuit substrate 131 can be attached to the inner wall surface of the tubular outer cover 11 through the notch 121. It is to be noted that, in the first embodiment of the high security LED tube lamp 1, the inner wall surface of the tubular inner lamp cover 12 is attached with a light diffusion film 12a, such as a white diffusion film, a diffusion sheet, and a diffusion. Layer, diffusion glue.

On the other hand, the first end cover 15A and the second end cover 15B are respectively coupled to the two ends of the tubular outer cover 11; further, the LED power supply module 16 is disposed in the first end cover 15A. And electrically connected to the circuit substrate 131 for supplying the commercial power to the LED light bar 13 after being converted into direct current. According to the international standards of the United States and European standards, commercially available LED fluorescent tubes must be single-ended, but in Taiwan, both double-ended and single-ended power are allowed; therefore, the new high-security LED tube lamp 1 can be special. Design its mains introduction method to make it single-ended and/or double-ended. In addition, it is added that when the high-safety LED tube lamp 1 is manufactured, some waterproof design can be added inside. For example, as shown in FIG. 3, a first O-ring OI is disposed inside the first end cover 15A, and is connected to the port of the tubular outer cover 11 in the first end cover 15A; The O-ring OII is placed within the second end cap 15B and is coupled to the port of the tubular outer shroud 11 in the second end cap 15B. For the design of other further waterproof structures, refer to the Republic of China patent application number: 106217309.

Second embodiment

Please refer to FIG. 2 and FIG. 3 repeatedly, and please refer to the tubular outer lamp cover, the tubular inner lamp cover, the LED light bar, and the second cross-sectional view of the rubber layer shown in FIG. 5 at the same time. Comparing FIG. 5 with FIG. 4, the second embodiment of the high-security LED tube lamp 1 is different in that the inner wall surface of the tubular outer lamp cover 11 is covered with a light diffusion layer 11a, and the tubular inner lamp cover 12 is covered. It is a fully transparent polymer lampshade with no light diffusing film attached. It must be additionally noted that the light diffusion layer 11a can be formed by coating or spraying a light diffusion powder or a light diffusion liquid onto the inner wall surface of the tubular outer lamp cover 11. Alternatively, the light diffusion layer 11a may be formed by directly adhering a light diffusion film to the inner wall surface of the tubular outer lamp cover 11.

Thus, the above-mentioned system has completely and clearly explained the high security LED tube lamp 1 of the present invention; and, as described above, the present invention has the following advantages:

(1) The tubular lampshade 11' of the conventional LED tube lamp 1' is usually made of a fragile material such as glass (as shown in Fig. 1); therefore, when the user disassembles and replaces the LED tube lamp 1' The tubular lampshade 11' is very likely to rupture during the replacement process, endangering the safety of the user. The high security LED tube lamp 1 of the present invention comprises a tubular outer lamp cover 11 made of glass material, a tubular inner lamp cover 12 of a polymer material, an LED light bar 13, a glue layer 14, a first end cover 15A, and a The second end cover 15B is composed of an LED power supply module 16. Based on such a special structural design, if the user manually disassembles and replaces the high-safety LED tube lamp 1 of the present type, the tubular outer lamp cover 11 of the glass material is inadvertently broken, and the tubular inner lamp cover 12 of the polymer material supports the outer tube. The rupture portion of the lamp cover 11 prevents the user from touching the residual power of the LED light bar 13 and/or the LED power supply module 16. Therefore, the high-security LED tube lamp 1 of the present invention can be safely certified by, for example, the CNS.

It is to be understood that the foregoing detailed description of the preferred embodiments of the present invention is not intended to limit the scope of the invention, Both should be included in the scope of the patent in this case.

<This new type>
1‧‧‧High security LED tube light
11‧‧‧Tubular lampshade
12‧‧‧ tubular inner lampshade
13‧‧‧LED strip
14‧‧‧ glue layer
15A‧‧‧First end cap
15B‧‧‧Second end cap
16‧‧‧LED power supply module
121‧‧‧ notch
131‧‧‧ circuit board
132‧‧‧LED components
12a‧‧‧Light diffusing film
OI‧‧‧First O-ring
OII‧‧‧Second O-ring
11a‧‧‧Light diffusion layer

<知知>
1'‧‧‧LED tube light
11'‧‧‧ tubular lampshade
12'‧‧‧LED strip
13'‧‧‧LED power supply module
14A'‧‧‧ first end cap
14B'‧‧‧Second end cap

1 is an exploded view showing a conventional LED tube lamp. FIG. 2 is an exploded view showing a first embodiment of a high-security LED tube lamp of the present invention; FIG. 3 is a view showing the high-safety LED tube lamp of the present invention. 1 is a side cross-sectional view showing a tubular outer lamp cover, a tubular inner lamp cover, an LED light bar, and a rubber layer; and FIG. 5 is a tubular outer lamp cover, a tubular inner lamp cover, an LED light bar, and A second cross-sectional view of the glue layer.

Claims (5)

A high security LED tube lamp comprising: a tubular outer lamp cover; a tubular inner lamp cover disposed in the tubular outer lamp cover and having a notch; an LED light bar disposed in the tubular inner lamp cover And comprising at least a circuit substrate and a plurality of LED elements disposed on a surface of the circuit substrate; a glue layer attached to a bottom surface of the circuit substrate, such that the circuit substrate can be attached to the circuit through the slot An inner wall surface of the tubular outer lamp cover; a two end cover coupled to both ends of the tubular outer lamp cover; and an LED power supply module disposed in any one of the end covers and electrically connected to the circuit substrate. The high security LED tube lamp of claim 1, further comprising: a light diffusing film attached to an inner wall surface of the tubular inner lamp cover. The high security LED tube lamp of claim 1, further comprising: a light diffusion layer covering the inner wall surface of the tubular outer lamp cover. The high security LED tube lamp of claim 1, wherein the tubular outer lamp cover is a glass lamp cover, and the tubular inner lamp cover is a polymer lamp cover. The high security LED tube lamp of claim 1, further comprising: a first O-ring disposed within one of the two end caps and in the end cap and the tubular A port connection of the outer lamp cover; and a second O-ring disposed within the other end cap and connected to the port of the tubular outer lamp cover in the end cap.