TWM497376U - Improvement of lamp tube - Google Patents

Description

Lamp improvement

This creation relates to a lamp modification, in particular to a bipolar power supply mode, and allows the user to form a contact conduction using a simple plug-in action, and is suitable for a fluorescent tube, a power-saving lamp or the like. Connection structure.

According to the lamp of the early fluorescent lamp, the material of the fluorescent tube is mostly glass, and the inside of the fluorescent tube contains a small amount of mercury. Therefore, it is necessary to be very careful in taking or installing. If the fluorescent tube is accidentally broken, the internal mercury will flow out. If the environment causes injury, and the human body accidentally touches or adsorbs it, it will also cause poisoning; and the traditional fluorescent lamp is cheap, but its waste has the disadvantages of mercury pollution or fragility.

However, the current new generation of fluorescent lamps has been improved by using light-emitting diodes (LEDs), and its structure is the same as that of the early fluorescent lamps, so that it can be applied to the early lamp holders. At present, the LED lamp tube structure is mainly provided with at least one opening on a light-transmissive lamp tube body, and a plug cover can be fitted on the outside of the opening, and a plurality of external power sources are connected to each plug cover. a contact point is provided; and at least one circuit board is disposed inside the lamp body, and the light-emitting component (LED) and other required electronic components (voltage-stabilizing circuit) can be soldered on the circuit board as needed. A wire is connected between the circuit board and each contact on the plug cover to introduce an external power source to the circuit board.

As shown in FIG. 1 , it is suitable for the LED tube structure of a general daylight lamp, which is mainly composed of a heat sink 11 and a transparent cover 12 to form a lamp body 1 on the lamp body 1 The end is provided with an opening, and the outer side of each opening can be separately sleeved The plug 13 is integrated, and two conductive pillars 131 extending parallel to the outside of the lamp body 1 are disposed on the plug cover 13 so as to be inserted into the sockets of the corresponding lamp holders (not shown) of the daylight lamp to The external power source is formed to be electrically connected. The lamp body 1 is provided with at least one circuit board 14 and a voltage stabilizing circuit module (not shown. In the embodiment, the voltage stabilizing circuit module is disposed on the heat sink. In the hollow portion, the light-emitting element 15 (LED) may be soldered on the circuit board 14 as needed, and then connected to the conductive post 131 and the voltage stabilizing circuit module of the two plugs 13 by wires 141, respectively, and the wires 142. The voltage stabilizing circuit module and the circuit board 14 are connected, so that the external AC power source can be introduced into the voltage stabilizing circuit module via the conductive post 131 and the wire 141, and then the DC power source is introduced into the circuit via the wire 142 by the voltage stabilizing circuit module. Board 14.

However, when the above structure is assembled, the assembled circuit board 14 is first fixed in the lamp body 1 and then connected to the circuit board 14 and the voltage stabilizing circuit module and the plug cover 13 by wires 141 and 142. Finally, the plug cover 13 is fixedly fixed to the outside of the opening of the two ends of the lamp body 1; the combined structure of the circuit board 14, the voltage regulator circuit module and the plug cover 13 by using the wires 141 and 142 respectively is inconvenient in processing. It is easy to affect the assembly efficiency, and the welded part is also easy to fall off due to improper construction or external force, resulting in malfunction or poor contact.

In view of this, the present invention provides a lamp tube electrical connection structure, in particular, a simplified structure and easy assembly, which can greatly improve assembly efficiency, and is suitable for electrical connection of fluorescent tubes, power-saving lamps or the like. Structure, for its main purpose.

In order to achieve the above, the lamp tube of the present invention has a light-transmissive lamp body, and a cap is respectively disposed at two ends of the lamp body, and the lamp body is provided with at least one circuit board and a power module, the power source The module is electrically connected to the circuit board, and the circuit board is configured to provide at least one light source; wherein: the cap is provided with a body and a phase a conductive terminal and a two-column conductive portion that are in contact with each other, the conductive terminal is located in the body, and an electrical connector is disposed on the circuit board, and the electrical connector is electrically connected to the power module through the circuit board And the electrical connector is provided with a slot and at least one conductive piece located in the slot, the slot is inserted into the conductive terminal of the cap and electrically connected to the conductive strip.

According to the above structural feature, the electrical connector is provided with two conductive sheets, and the conductive sheets are provided with a guiding portion exposed in the slot, and a soldering portion extending from the guiding portion to the outside of the slot.

The welded portion of the plurality of conductive sheets may be soldered to the circuit board.

According to the above structural feature, the welded portion of the conductive sheet can be soldered and fixed to the circuit board.

According to the above structural feature, an extension body extends inwardly on both sides of the first surface of the heat dissipation seat, and the third assembly portion is located on one side of the extension body, and the fifth assembly is disposed on the other side of the extension body. And a support body is disposed in the accommodating space of the heat sink, and the sixth assembly portion is respectively disposed on both sides of the support body for being combined with the fifth assembly portion.

According to the above structural feature, the support body is provided with a planar third surface and an arcuate fourth surface, the third surface is relatively attached to the second surface of the carrier, and the fourth surface Correspondingly, it is located in the first surface of the heat sink.

According to the above structural features, a fixing member is further disposed between the cap, the heat sink and the carrier.

The cap, the heat sink and the carrier are respectively provided with at least one perforation, and the fixing member is respectively provided with a latch portion which can extend into the perforations.

The above-mentioned light source is a light-emitting diode.

1‧‧‧Lamp body

11‧‧‧ Heat sink

12‧‧‧Transparent cover

13‧‧‧Segai

131‧‧‧conductive column

14‧‧‧ boards

141‧‧‧ wire

142‧‧‧ wire

15‧‧‧Lighting elements

2‧‧‧Light tube

21‧‧‧Lamp body

211‧‧‧Light cover

2111‧‧‧First Assembly Department

212‧‧‧ Heat sink

2121‧‧‧ first surface

2122‧‧‧ accommodating space

2123‧‧‧Second Assembly Department

2124‧‧‧ Third Assembly Department

2125‧‧‧Extensions

2126‧‧‧The Fifth Assembly Department

213‧‧‧ bearing seat

2131‧‧‧ second surface

2132‧‧‧Fourth Assembly Department

214‧‧‧Support

2141‧‧‧ Sixth Assembly Department

2142‧‧‧ third surface

2143‧‧‧ fourth surface

2144‧‧‧ openings

22‧‧‧ Cap

221‧‧‧ Ontology

222‧‧‧Electrical terminals

223‧‧‧ columnar conductive parts

23‧‧‧ Circuit board

231‧‧‧ openings

24‧‧‧Power Module

25‧‧‧Light source

26‧‧‧Electrical connector

261‧‧‧ slots

262‧‧‧Conductor

263‧‧‧Guidance

264‧‧‧Weld Department

27‧‧‧Fixed parts

271‧‧‧Perforation

272‧‧‧Card Department

Figure 1 is a structural exploded view of a conventional LED tube.

Figure 2 is a perspective view of the structure of the lamp in the creation.

Figure 3 is an exploded view of the structure of the lamp in this creation.

Figure 4 is an enlarged and exploded view of the structure of the lamp tube in this creation.

Figure 5 is the first schematic diagram of the lamp in this creation.

Figure 6 is the second schematic diagram of the lamp in this creation.

Figure 7 is the third schematic diagram of the lamp in this creation.

Figure 8 is the fourth schematic diagram of the lamp in this creation.

Fig. 2 is a perspective view showing the structure of the lamp tube in the present creation, and the third figure showing the exploded structure of the lamp tube in the present creation. The lamp tube 2 of the present invention has a light-transmissive lamp body 21, and the lamp body 21 The caps 22 are respectively provided with at least one circuit board 23 and a power module 24, and the power module 24 is electrically connected to the circuit board 23, and the circuit board 23 is provided. At least one illumination source 25 is provided (which may be a light emitting diode).

The main focus of the present invention is that the cap 22 is provided with a body 221 and a conductive terminal 222 and a two-column conductive portion 223 which are in contact with each other. The conductive terminal 222 is located in the body 221, and the two columnar conductive portions 223 are located in the body 221 The two conductive terminals 222 are respectively connected to the two columnar conductive portions 223, and the circuit board 23 is provided with an electrical connector 26, and the electrical connector 26 is electrically connected to the power module 24 through the circuit board 23, The electrical connector 26 is provided with a slot 261 and at least one conductive strip 262 located in the slot 261. The slot 261 can be inserted into the conductive terminal 222 of the cap and electrically connected to the conductive strip 262. Furthermore, the electrical connection between the cap 22 and the power module 24 is formed, which not only simplifies the structure but also facilitates assembly, and can greatly improve assembly efficiency. Since it is not necessary to use a wire solder joint, it can avoid the occurrence of a failure in the future due to poor soldering.

As shown in FIG. 4 to FIG. 6 , the electrical connector 26 is provided with two conductive sheets 262 . The conductive strips 262 are provided with a guiding portion 263 exposed in the slot 261 , and the guiding portion 263 is defined by the guiding portion 263 . The soldering portion 264 of the conductive strips is soldered to the circuit board 23 to form an electrical connection between the electrical connector 26 and the circuit board 23. Of course, in the embodiment shown in the figure, the circuit board 23 can be provided with an opening 231 for arranging the electrical connector 26 such that the slot 261 of the electrical connector is located below the circuit board 23, and Located at the center of the cap 22 to facilitate the insertion of the conductive terminals 222.

As shown in FIG. 3 and FIG. 5 , the lamp body 21 is provided with a transparent cover 211 , a heat sink 212 assembled on the side of the transparent cover 211 , and at least one between the transparent cover 211 and the heat sink 212 . The heat sink 212 is provided with an arc-shaped first surface 2121, and the heat sink 212 is internally provided with an accommodating space 2122, and the transparent cover 211 and the heat sink 212 are respectively provided with sides. In the embodiment shown in the figure, the first assembly portion 2111 can be a groove structure, and the second assembly portion 2123 can be a corresponding one of the first assembly portions 2111 and 2123. The rib structure is such that the transparent cover 211 and the heat sink 212 are coupled to each other by the action of the groove and the rib being engaged.

The above-mentioned carrier 213 is provided with a planar second surface 2131 for arranging the circuit board 23, and the heat sink 212 and the carrier 213 are respectively provided with third and fourth assemblies that can be assembled and engaged with each other. The second surface of the first surface 2121 of the heat sink has an extension body 2125 extending inwardly, and the third assembly part 2124 is located on one side of the extension body 2125, and the other side of the extension body 2125 is disposed on the other side. There is a fifth assembly portion 2126, and a support body 214 is received in the accommodating space 2122 of the heat sink. The support body 214 can be made of plastic material. Please refer to FIG. 7 at the same time. A sixth assembly portion 2141 is disposed on each side of the support body 214, and is coupled to the fifth assembly portion 2126. The carrier base 213 is configured by the third and fourth assembly portions 2124 and 2132. The support body 214 is coupled and fixed in the accommodating space 2122 of the heat sink by the action of the fifth and sixth assembly portions 2126 and 2141.

Furthermore, as shown in FIGS. 3 and 5, the support body 214 is provided with a planar third surface 2142 and an arcuate fourth surface 2143 which is relatively attached to the carrier. The second surface 2131 of the seat is located under the first surface 2121 of the heat sink, and the fifth and sixth assembling portions 2126 and 2141 are mutually interfered and positioned to allow the support. The body 214 can be fixed relative to both ends of the heat sink 212 without deformation. Of course, if the support body 214 is oppositely disposed at the electrical connector 26, an opening 2144 may be further provided for receiving the electrical connector 26.

In addition, as shown in FIG. 3 and FIG. 8 , a fixing member 27 is further disposed between the cap 22 , the heat sink 212 and the carrier 213 , and the cap 22 , the heat sink 212 and the carrier 213 are respectively provided with at least one The fixing member 27 is respectively provided with a latching portion 272 extending into the through holes 271. The fixing member 27 can be used to form a positioning effect between the cap 22, the heat sink 212 and the carrier 213.

It is worth mentioning that this creation provides a simplified structure of the electrical connector, which can be used to form contact conduction by simple plugging action, which not only facilitates assembly, but also improves assembly efficiency, and avoids the need for wire bonding. A failure caused by poor welding causes a loosening situation in the future.

In summary, this creation provides a better and feasible cap improvement, and the application for a new patent is submitted according to law; the technical content and technical features of the creation have been disclosed above, but those familiar with the technology may still be based on this creation. The disclosure reveals various substitutions and modifications that do not depart from the spirit of the creation of the case. Therefore, the scope of protection of this creation It is to be understood that the invention is not limited by the scope of the invention, and is intended to

22‧‧‧ Cap

222‧‧‧Electrical terminals

223‧‧‧ columnar conductive parts

23‧‧‧ Circuit board

231‧‧‧ openings

26‧‧‧Electrical connector

261‧‧‧ slots

262‧‧‧Conductor

Claims (10)

A lamp tube is improved, the lamp tube has a light-transmissive lamp body, and a lamp cap is respectively disposed at two ends of the lamp body, and the lamp body is provided with at least one circuit board and a power module, and the power module is Forming an electrical connection with the circuit board, the circuit board is configured to provide at least one light source; wherein the cap is provided with a body and a conductive terminal contacting each other and a two-column conductive portion, wherein the conductive terminal is located An electrical connector is disposed on the circuit board, and the electrical connector is electrically connected to the power module through the circuit board, and the electrical connector is provided with a slot and at least one slot The conductive sheet is inserted into the conductive terminal of the cap and electrically connected to the conductive sheet. The lamp tube modification of claim 1, wherein the electrical connector is provided with two conductive sheets, the conductive sheets are provided with a guiding portion exposed in the slot, and the guiding portion extends to the insertion The welded part outside the slot. The lamp tube improvement according to claim 2, wherein the soldering portions of the conductive sheets are solderable to the circuit board. The lamp tube according to any one of claims 1 to 3, wherein the lamp body is provided with a transparent cover, a heat sink assembled on one side of the transparent cover, and at least one of the transparent cover and the heat dissipation a seat on the seat, the heat dissipation seat is provided with a first surface having an arc shape, and an accommodating space is disposed inside the heat dissipation seat, and the transparent cover and the side of the heat dissipation seat are respectively provided with a mutual assembly and engagement a second assembly portion, wherein the carrier is provided with a planar second surface for providing the circuit board, and the heat dissipation seat and the carrier are respectively provided with third and fourth assemblies that can be assembled and engaged with each other. unit. The lamp tube improvement according to claim 4, wherein an extension body extends inwardly on both sides of the first surface of the heat dissipation seat, and the third assembly portion is located on one side of the extension body, and the extension body is another The side has a fifth assembly, and another support body is placed thereon. The accommodating space of the heat sink is provided with a sixth assembly portion on both sides of the support body for being combined with the fifth assembly portion. The lamp tube improvement according to claim 5, wherein the support body is provided with a planar third surface and an arcuate fourth surface, the third surface being relatively attached to the second surface of the carrier And the fourth surface is correspondingly located in the first surface of the heat sink. The lamp tube improvement according to claim 4, wherein a fixing member is further disposed between the cap, the heat sink and the carrier. The lamp tube according to claim 7, wherein the cap, the heat sink and the carrier are respectively provided with at least one perforation, and the fixing member is respectively provided with a latch portion extending into the perforations. The lamp tube improvement according to any one of claims 1 to 3, wherein the light source is a light emitting diode. A lamp tube is improved, the lamp tube has a light-transmissive lamp body, and a lamp cap is respectively disposed at two ends of the lamp body, and the lamp body is provided with at least one circuit board and a power module, and the power module is Forming an electrical connection with the circuit board, the circuit board is configured to provide at least one light source; wherein the cap is provided with a body and a conductive terminal contacting each other and a two-column conductive portion, wherein the conductive terminal is located An electrical connector is disposed on the circuit board, and the electrical connector is provided with two conductive sheets, and the conductive sheets are provided with a guiding portion exposed in the slot, and the conductive portion extends to the guiding portion The soldering portion of the slot is soldered and fixed to the circuit board, and the electrical connector is electrically connected to the power module through the circuit board, and the electrical connector is provided with a slot and At least one conductive piece located in the slot, the slot is inserted into the conductive terminal of the cap and electrically connected to the conductive piece.