TWI531755B - Lamp tube - Google Patents

Description

Lamp structure

The present invention relates to a lighting device, and more particularly to a lamp structure having two or more hollow tubular bodies joined by a socket.

The application of light emitting diodes is very common and easy to use. Common applications include backlight modules, headlights and indicator lights. Since the driving voltage of the light-emitting diode is low and the service life is high, the power consumption of the conventional fluorescent tube is lower. Therefore, the LED lamp has gradually replaced the traditional fluorescent tube.

In general, the LED lamp has two end caps, a heat sink, a light bar disposed on a top surface of the heat sink, and a lamp cover fixed to the heat sink. The two end caps respectively have electrical terminals, and the electrical terminals are electrically connected to the light bar by an electrical connector to supply the power required by the light emitting unit on the light strip.

The conventional light-emitting diode lamp mainly comprises: a tube body, a light-emitting module, a driving circuit and two electrical connectors; the light-emitting module is housed inside the tube body, and the light-emitting module comprises a circuit board and a plurality of light-emitting modules The unit is arranged on the circuit board and electrically connected to the circuit board; the driving circuit is located on the circuit board and electrically connected to the circuit board; the two electrical connectors are respectively combined with the two ends of the pipe body in a sealed manner, and the two electrical connectors are also The drive circuit is electrically connected to each other by soldering.

Since the length of the tubular body and the circuit board is fixed, the length of the LED body of the above-mentioned light-emitting diode lamp cannot be adjusted, and only the lamp socket of a specific specification can be applied. In addition, due to the limitation of the assembly method, the two electrical connectors are difficult to be separated after being combined with the tubular body, which causes inconvenience and difficulty in repairing or replacing the light-emitting unit.

In view of the shortcomings of the prior art, the present invention provides a lamp tube structure having two or more hollow tube bodies connected by a sleeve manner, so that the lamp tube structure can meet different needs. In addition, the present invention provides a lamp tube structure without a light bar, and instead, the light source is disposed on both sides of the lamp tube structure in a detachable manner to facilitate maintenance and repair of the lamp tube structure.

According to an embodiment of the invention, the lamp tube structure comprises N (N is a natural number of ≧2) hollow tube body, a first end cap, a second end cap, a first light source and a second light source. The plurality of hollow tubes have different tube diameters and are slidably nested with each other. The two end caps are respectively detachably sleeved to each of the plurality of hollow tubular bodies. The two light sources are respectively disposed on the two end covers, and the light directions of the two light sources are opposite to each other to provide light to the plurality of hollow tubes.

For example, the diameter of the i-th hollow pipe body is larger than the pipe diameter of the (i+1)th hollow pipe body, so that the (i+1)th hollow pipe body can move in the first i-th hollow pipe body. Ground expansion and contraction, i is a natural number and (i+1)≦N, wherein the two ends of the i-th hollow tube body are an ith end and an ith end, respectively, in the (i+1)th When the empty tube body is housed in the i-th hollow tube body, the ith end and the i-th end of the i-th hollow tube body respectively correspond to the first (i+1)-th hollow tube body (i+1) end and the (i+1)th end, and when the (i+1)th hollow tube is extended from the i-th hollow tube, the i-th hollow tube The i-th end is sleeved at the (i+1)th end of the (i+1)th hollow tube.

In the above preferred embodiment, the i-th hollow tube body further includes an ith sliding mechanism including one of the i-th grooves on the outer surface of the i-th hollow tube and one of the first hollows The inner surface of the tube and corresponding to the ith rail below the i-th groove, by the i-th groove and the (i+1)th rail in the (i+1)th hollow tube The (i+1) hollow tubular body is slidably stretched and contracted in the i-th hollow tubular body, wherein an extension direction of the i-th groove and the i-th convex rail and an extending direction of the i-th hollow tubular body the same.

In the above preferred embodiment, the ith end and the ith end of the i-th hollow tube further comprise an ith fixing mechanism and an ith fixing mechanism, wherein the ith hollow tube When the body is pulled out of the (i+1)th hollow tube body, the first i' fixing mechanism of the i-th hollow tube body and the first (i+1) hollow tube body (i+1) The fixing mechanisms are engaged with each other such that the i-th end of the i-th hollow pipe body can be fixed to the (i+1)th end of the (i+1)th hollow pipe body.

In the above preferred embodiment, the ith end outer surface further includes an ith external thread structure, and the inner surface of the ith end includes an ith 'internal thread structure, wherein the ith hollow tube The first i' end of the i-th hollow tube body can be rotated by the first (i+1) external thread of the first (i+1) hollow tube body Tightly and fixed to the (i+1)th end of the (i+1)th hollow tube.

In the above preferred embodiment, the first and second light sources respectively comprise a light emitting diode module, wherein the light emitting diode module comprises a The light emitting diode package is selected from one or a combination of PLCC LED, integrated package (COB) LED or Emitter.

In the above preferred embodiment, the first and second end covers respectively include a first and second power input terminal pairs, and the first and second light sources respectively have a corresponding one of the first and the second Two power input terminal pairs of the first and second electrode pairs.

In the above preferred embodiment, the first and second power input terminal pairs are respectively formed by two input terminals located in the first and second end covers, wherein the first and second light sources are The first and second electrode pairs can be short-circuited or disconnected from the first and second power input terminals by rotating the first and second end caps, respectively.

1, 2‧‧‧ lamp structure

110‧‧‧First end cap

111‧‧‧Base

112‧‧‧First power input terminal pair

113, 115‧‧‧ input terminals

113a, 115a‧‧‧ part one

113b, 115b‧‧‧ part two

120‧‧‧Second end cap

130, 230‧‧‧ first hollow body

End of 131, 231‧‧

End of 132, 232‧‧

133, 233‧‧‧ outer surface

134, 234‧‧‧ inner surface

135‧‧‧First sliding mechanism

136‧‧‧First groove

137‧‧‧First track

140, 240‧‧‧ second hollow body

End of 141, 241‧‧

End of 142, 242‧‧

143, 243‧‧‧ outer surface

144, 244‧‧‧ inner surface

145‧‧‧Second sliding mechanism

146‧‧‧Second trench

147‧‧‧second track

150‧‧‧first light source

151‧‧‧ socket

151a‧‧‧Solid Crystal Zone

152‧‧‧first electrode pair

153, 155‧‧‧ electrodes

154‧‧‧Light Emitter Wafer

160‧‧‧second light source

235, 236, 245, 246‧ ‧ fixed institutions

M1‧‧‧ area

M2‧‧‧ area

T‧‧‧ arrow

Fig. 1 is a view showing the structure of the lamp tube of the first embodiment of the present invention in a stretched state.

Fig. 2 is a view showing the structure of the lamp tube of the first embodiment of the present invention in a stored state.

Fig. 3 is a view showing the exploded view of the components of the lamp structure of the first embodiment of the present invention.

Fig. 4 is a view showing the end cover and the light source of the lamp tube structure of the first embodiment of the present invention.

Fig. 5 is a view showing the M1 area of Fig. 3.

Fig. 6 is a view showing the exploded view of the components of the lamp tube structure of the second embodiment of the present invention.

Fig. 7 is a view showing the M2 area of Fig. 6.

The following is a detailed description of various embodiments, which are intended to be illustrative only and not to limit the scope of the invention.

Referring to FIG. 1 , the lamp tube structure 1 of the present invention includes a first end cover 110 , a second end cover 120 , a first hollow tube body 130 , and a second hollow tube body 140 . The inner diameter of the hollow tube body 130 is larger than the outer diameter of the second hollow tube body 140, so that the second hollow tube body 140 can be sleeved in the first hollow tube body 130 and freely slid therein.

As shown in FIG. 1 , when the first hollow tubular body 130 is completely drawn from the second hollow tubular body 140 , one end 132 of the first hollow tubular body 130 overlaps the second hollow tubular body 140 . An end 141, at which time the lamp structure 1 is in a stretched state; and, as shown in FIG. 2, when the first hollow pipe body 130 is received in the second hollow pipe body 140, the first hollow pipe body Both ends of the 130 and the ends of the second hollow tube 140 overlap each other, and the tube structure 1 is in a stored state. The structural features of the lamp structure 1 of this embodiment will be described in detail below.

Referring to FIG. 3, the lamp structure 1 further includes a first light source 150 and a second light source 160. The first light source 150 is disposed on the first end cover 110, and the second light source 160 is disposed on the second end cover 120. Since the first and second end caps 110, 120 have similar features, and the first and second light sources 150, 160 have similar features, the first end cap 110 and the first light source 150 will be described below.

Referring to FIG. 4, the first end cover 110 includes a base 111 and a first A power input terminal pair 112. A driving circuit (not shown) is disposed in the pedestal 111. The first power input terminal pair 112 is disposed on the surface of the pedestal 111 and electrically connected to the driving circuit. The first power input terminal pair 112 is respectively located at the base. The input terminals 113 and 115 of the opposite positions of the seat 111 are formed. In detail, the two input terminals 113, 115 of the first power input terminal pair 112 respectively have a first portion 113a, 115a and a second portion 113b, 115b, wherein the first portion 113a, 115a is coupled to the base 111 and Extending a length away from the base 111, the second portions 113b, 115b are vertically joined to the first portions 113a, 115a and extend toward the other input terminal. Therefore, the two second portions 113b, 115b of the two input terminals 113, 115 are respectively spaced apart from the surface of the susceptor 111 by a predetermined distance.

The first light source 150 includes a socket 151, a first electrode pair 152, and a light emitting diode wafer 154. The first electrode pair 152 includes two electrodes 153, 155 corresponding to the two input terminals 113, 115, respectively. The substantial center of the socket 151 has a solid crystal region 151a. The LED wafer 154 is disposed in the solid crystal region 151a and electrically connected to the first electrode pair 152. It should be noted that in this embodiment, the sum of the thickness of the electrodes 153, 155 and the thickness of the socket 151 is equal to or slightly smaller than the two second portions 113b, 115b and the base 111 of the two input terminals 113, 115. The predetermined distance between the surfaces.

In this embodiment, the first light source 150 and the second light source 160 may be selected from a light emitting diode package made of a plastic leaded chip carrier (PLCC) packaging technology, or a die-circuit. A light-emitting diode package made by Chip On Board (COB) packaging technology, or a LED Emitter.

When assembled, the electrodes 153, 155 of the first light source 150 can be inserted between the second portions 113b, 115b of the input terminals 113, 115 and the base 111 by rotating the first end cover 110, respectively, thereby forming a first power source. The input terminal pair 112 is electrically shorted to the first electrode pair 152. Similarly, when the first light source 150 fails to be repaired or replaced, the first electrode pair 152 of the first light source 150 can be self-operated from the second portion 113b, 115b of the input terminals 113, 115 by rotating the first end cap 110, respectively. Separating from the susceptor 111, thereby forming an electrical disconnection of the first power input terminal pair 112 and the first electrode pair 152. Similarly, the second terminal pair has a predetermined distance from the base surface of the second end cover for the second electrode pair of the second light source, and the second terminal pair and the second electrode pair are electrically connected. The second terminal pair and the second electrode pair are electrically connected to the first terminal pair and the first electrode pair, and are not described herein.

On the other hand, referring again to FIG. 3, the end 131 of the first hollow tubular body 130 is detachably coupled to the first end cap 110 by a suitable means (for example, snap-fit), and the second hollow tubular body 140 is The end 142 is detachably coupled to the second end cap 120 by suitable means (for example, snapping) to facilitate the repair and replacement of the first and second light sources 150, 160.

Referring to Figure 5 and with reference to Figure 3, wherein Figure 5 shows a schematic view of the M1 region of Figure 3. The first hollow tubular body 130 includes a first sliding mechanism 135, and the second hollow tubular body 140 includes a second sliding mechanism 145. In this embodiment, since the first sliding mechanism 135 and the second sliding mechanism 145 have the same structural features, for the sake of simplicity of explanation, only the second sliding mechanism 145 will be described below. As shown in FIG. 5, the second sliding mechanism 145 includes two second grooves parallel to the outer surface 143 of the second hollow tube 140 and parallel to each other. 146, and two second protruding rails 147 on the inner surface 144 of the second hollow tubular body 140 and corresponding to the lower portions of the second trenches 146, respectively. Moreover, as shown in FIG. 3, the two second grooves 146 and the two second protrusions 147 extend from one end 141 of the second hollow tube body 140 to the other of the second hollow tube body 140. End 142. The first hollow tubular body 130 can slidably expand and contract within the second hollow tubular body 140 by the cooperation of the first groove 136 and the second protruding rail 147.

Continuing to refer to FIG. 5 and with reference to FIG. 1 , when the lamp structure 1 is in the stretched state, the first and second hollow tubes 130 , 140 are fixed by the end 132 of the first hollow tube 130 . The respective fixing mechanisms of the ends 141 of the second hollow tubular body 140 are achieved. In this embodiment, the first hollow tubular body 130 has its outer surface 133 as a fixing mechanism, and the second hollow tubular body 140 has a second protruding rail 147 as a fixing mechanism. In detail, when the lamp structure 1 is in the stretched state, the first hollow pipe 130 will be rotated by a specific angle in the direction indicated by the arrow T (Fig. 1), so that the second track 147 is from the first The groove 136 is disengaged to abut the outer surface 133 of the first hollow tubular body 130 of the adjacent two first grooves 136. At this time, since the first and second hollow tubes 130 and 140 are all elastically deformable, the two second rails 147 will be tightly fitted to the outer surface 133 of the first hollow tube 130, first and second. The hollow tubular bodies 130, 140 do not slide against each other.

It should be understood that the sliding mechanism is not an essential feature of the lamp structure 1. In some embodiments, the sliding mechanism of the lamp structure is omitted, and the two hollow pipes are free to slide and rotate with each other, and the two hollow tubes The body is positioned using a fixed structure as shown in Figures 6-7. Moreover, although the lamp tube structure 1 of the embodiment includes only two hollow tube bodies, those skilled in the art can freely adjust the number and configuration of the hollow tube bodies according to requirements, and are not subject to The above embodiments are limited.

Referring to Figures 6-7, there is shown a schematic view of a lamp tube structure 2 of another embodiment of the present invention, and the same or similar elements of the lamp tube structure 1 shown in Figure 6-7 will be given the same. The reference numerals are not described. The lamp tube structure 2 is different from the lamp tube structure 1 in that the two ends 232, 231 of the first hollow tube body 230 respectively have fixing mechanisms 235, 236, and the two ends 242, 241 of the second hollow tube body 240. There are fixing mechanisms 245, 246, respectively.

Specifically, the fixing mechanism 235 is an externally threaded structure disposed on the outer surface 233 of the end 231 of the first hollow tubular body 230 for joining the first end cap 110. The fixing mechanism 236 is an internal threaded structure disposed on the inner surface 234 of the end 232 of the first hollow tubular body 230 for joining the second hollow tubular body 240. The fixing mechanism 245 is an externally threaded structure disposed on the outer surface 243 of the end 241 of the second hollow tubular body 240 for joining the first hollow tubular body 230. The fixing mechanism 246 is an externally threaded structure disposed on the outer surface 243 of the end 242 of the second hollow tubular body 240 for joining the second end cap 120. When the lamp tube structure 2 is in the second state, the fixing of the first and second hollow tubes 230, 240 is performed by the fixing mechanism 236 of the first hollow tube 230 and the fixing mechanism 245 of the second hollow tube 240. It is achieved that the end 232 of the first hollow tubular body 230 is screwed and fixed to the end 241 of the second hollow tubular body 240.

The lamp tube structure of the present invention is composed of a plurality of hollow tube bodies, and can be freely stretched and retracted by manual telescopic adjustment. Therefore, the lamp can be flexibly adjusted in two or more ways according to different places of use and lamps, and the purpose of multi-purpose utilization is achieved. In addition, the light source of the lamp tube structure can be quickly connected with the electrical terminal on the end cover, which simplifies assembly. The program achieves the purpose of saving time.

Although the present invention has been disclosed in its preferred embodiments, it is not intended to limit the scope of the present invention, and it is possible to make a few changes without departing from the spirit and scope of the invention. And the scope of the present invention is defined by the scope of the appended claims.

1‧‧‧Light tube structure

110‧‧‧First end cap

120‧‧‧Second end cap

130‧‧‧First hollow body

End of 131, 132‧‧

135‧‧‧First sliding mechanism

140‧‧‧Second hollow body

End of 141, 142‧‧

145‧‧‧Second sliding mechanism

150‧‧‧first light source

160‧‧‧second light source

M1‧‧‧ area

Claims (10)

A lamp tube structure comprising: N hollow tubes, N is a natural number of ≧2, and a diameter of the ith hollow tube is larger than a diameter of the (i+1)th hollow tube, so that The (i+1)th hollow tube body can be movably expanded and contracted in the i-th hollow tube body, i is a natural number and (i+1)≦N, wherein the ith hollow tube body The two ends are an ith end and an ith end, respectively, when the (i+1)th hollow tube is received in the ith hollow tube, the ith hollow tube The ith end and the ith end correspond to the (i+1)th end and the (i+1)th end of the (i+1)th hollow tube, respectively, and when the When the i+1) hollow tubular body is completely stretched from the i-th hollow tubular body, the i-th end of the i-th hollow tubular body is sleeved at the first (i+1) a first (i+1) end of the hollow tubular body; a first and a second end cap detachably respectively sleeved to the first end of the first hollow tubular body and the Nth hollow The Nth end of the tube body; and a first and second light source respectively disposed on the first and second end caps, and the light emitting side of the first and second light sources They are facing each other to provide a plurality of light toward the hollow tube. The lamp tube structure of claim 1, wherein the i-th hollow tube body further comprises an ith sliding mechanism, including an ith groove and an outer surface of the outer surface of the ith hollow tube Positioned on the inner surface of the i-th hollow tube and corresponding to the i-th sub-track below the i-th groove, by the i-th groove and the first (i+1) hollow tube +1) the rail is such that the (i+1)th hollow tube body is slidably stretched and contracted in the i-th hollow tube body. The lamp tube structure of claim 2, wherein the i-th groove and the i-th track extend in the same direction as the i-th hollow tube. The lamp tube structure of claim 3, wherein the ith end and the ith end of the i-th hollow tube further comprise an ith fixing mechanism and an ith fixing mechanism, wherein When the i-th hollow tube body is pulled out of the (i+1)th hollow tube body, the i-th fixing mechanism of the i-th hollow tube body and the (i+1)th hollow tube body The (i+1)th fixing mechanism is engaged with each other such that the i-th end of the i-th hollow tube body can be fixed to the (i+1)th of the (i+1)th hollow tube body (i+1) ) end. The lamp tube structure of claim 4, wherein the ith end outer surface further comprises an ith external thread structure, and the inner surface of the ith end further comprises an ith 'internal thread structure, Wherein the i-th hollow pipe body can be made by the (i+1)th external thread of the (i+1)th hollow pipe body and the i-th hollow pipe body The i' end may be screwed and fixed to the (i+1)th end of the (i+1)th hollow tube. The lamp tube structure of claim 1, wherein the first and second end covers respectively include a first and second power input terminal pairs, and the first and second light sources respectively include a Corresponding to the first and second electrode pairs of the first and second power input terminal pairs. The lamp tube structure of claim 4, wherein the first and second light sources respectively comprise a light emitting diode module. The lamp tube structure of claim 7, wherein the light emitting diode module comprises a light emitting diode package selected from the group consisting of PLCC LEDs, One or a combination of a package (COB) LED or an Emitter. The lamp tube structure of claim 6, wherein the first and second power input terminal pairs are respectively formed by two input terminals located in the first and second end covers. The lamp tube structure of claim 9, wherein the first and second electrode pairs of the first and second light sources are respectively rotatable by the first and second end caps 1. A short circuit or an open circuit is formed between the pair of second power input terminals.