CN204387737U - LED lamps - Google Patents

Abstract

The utility model discloses a LED lamp, which comprises a bracket, wherein an LED light source component comprises an LED lamp panel and a plurality of LED lamp beads arranged on the LED lamp panel, the LED lamp panel is fixed in the inner cavity of the bracket, and two ends of the LED lamp panel respectively extend out of the inner cavity to form a first extending part and a second extending part, and exposed lamp panel electrodes are arranged on the first extending part and the second extending part; the driving power supply assembly comprises a driving circuit board, an LED driving power supply circuit and a first elastic contact piece; the first end cover can be covered at the first end of the bracket, and a driving power supply assembly is arranged in the first end cover; when the first end of support was located to first end cover lid, first elastic contact was connected with the lamp plate electrode electricity on the first portion of stretching out. The utility model provides a LED lamp has saved the technology that drive power supply subassembly and LED lamp plate carry out the bonding wire electricity and are connected, therefore the structure is simpler, and manufacturing cost is lower, and the installation is simple.

Description

LED lamps

technical field

The utility model relates to a lighting device, in particular to an LED lamp.

Background technique

As a fourth-generation lighting source, LED has significant advantages in energy saving and longevity. With the development of society, the problem of lighting energy consumption in daily life has become increasingly prominent. Therefore, LED lamps with significant energy-saving advantages are more and more popular.

LED bracket lights and tube lights are relatively widely used lamps. The LED bracket lights/tube lights of the prior art are generally fixed in the bracket/light tube with LED light boards, and the end caps are injection-molded. It is necessary to pre-embed two pins for electrical connection with the mains; at the same time, after installing the light board, electrically connect the driving power board with the LED light board and the pins through welding wires, and the driving power board is generally plugged into the bracket/lamp in the cavity of the tube. The LED bracket lamp/tube lamp with this structure has complicated overall process and high manufacturing cost, and the driving power is likely to collide with the cavity of the bracket/lamp tube during movement or shaking, causing certain damage or potential safety hazard.

Contents of the invention

In view of the above-mentioned current state of the art, the technical problem to be solved by the utility model is to provide an LED lamp with simple structure and process and low cost.

In order to solve the above technical problems, an LED lamp provided by the utility model includes:

a stent, the stent has a lumen extending axially and with openings at both ends;

LED light source assembly, the LED light source assembly includes an LED lamp board and a plurality of LED lamp beads arranged on the LED lamp board, the LED lamp board is fixed in the inner cavity of the bracket, and the LED lamp board The two ends of each extend out of the inner cavity to form a first extension and a second extension, and exposed lamp board electrodes are arranged on the first extension and the second extension;

A drive power supply assembly, the drive power supply assembly includes a drive circuit board, an LED drive power supply circuit disposed on the drive circuit board, and an LED drive power supply circuit disposed on the drive circuit board and electrically connected to the output end of the LED drive power supply circuit a first resilient contact piece; and

The first end cover, the first end cover can be set on the first end of the bracket, and the driving power supply assembly is installed in the first end cover; when the first end cover is set on the bracket At the first end of the first end, the first elastic contact piece is electrically connected to the lamp board electrode on the first extending portion.

In one embodiment, the first end cover is provided with a first fixing slot, and the end of the first extension part is inserted into and fixed in the first fixing slot.

In one of the embodiments, there are two first fixing grooves, the end of the first extension part is a fork structure, and the two fork arms of the first extension part are respectively inserted into the two in the first fixing slot.

In one of the embodiments, the first end cover is further provided with a second fixing slot, and the driving circuit board is inserted and fixed in the second fixing slot.

In one of the embodiments, the first fixing groove is located above the second fixing groove.

In one of the embodiments, the driving power supply assembly further includes a first power supply pin, one end of the first power supply pin is fixed on the driving circuit board, and is electrically connected to the input terminal of the LED driving power supply circuit. connected, and the other end passes through the pin fixing hole on the first end cover.

In one embodiment, the first power pin is L-shaped.

In one of the embodiments, the LED lamp further includes a second end cover, and the second end cover can be covered on the second end of the bracket.

In one of the embodiments, the driving power supply assembly is installed inside the second end cover; when the second end cover is covered on the second end of the bracket, the first elastic contact piece and the The lamp board electrode on the second extension part is electrically connected.

In one of the embodiments, the second end cover is equipped with a connection device, and the connection device includes a connection circuit board, a connection circuit disposed on the connection circuit board, and a connection circuit disposed on the connection circuit board and connected to the connection circuit board. The second power supply pin electrically connected to the input end of the connection circuit and the second elastic contact piece arranged on the connection circuit board and electrically connected to the output end of the connection circuit, the second power supply pin from the The pin fixing hole on the second end cover passes through. When the second end cover is set on the second end of the bracket, the second elastic contact piece and the second extending part The lamp board electrodes are electrically connected.

The LED lamp provided by the utility model realizes electrical connection through the contact between the LED lamp board and the drive power supply assembly by using the elastic contact piece to contact the positive and negative electrode pads of the lamp board electrode, eliminating the need for welding wires to electrically connect the drive power supply assembly and the LED lamp board Advanced technology, so the structure is simpler, the manufacturing cost is lower, and the installation is simple.

The beneficial effects of the additional technical features of the utility model will be described in the specific implementation mode of this specification.

Description of drawings

Fig. 1 is a sectional view of an exploded structure of an LED lamp in an embodiment of the present invention;

Fig. 2 is a top view of the lamp holder and the lamp panel of the LED lamp shown in Fig. 1;

Fig. 3 is a cross-sectional view of the end cover of the LED lamp shown in Fig. 1;

Fig. 4 is a front structural schematic diagram of the driving power supply assembly of the LED lamp shown in Fig. 1;

FIG. 5 is a schematic bottom view of the driving power supply assembly of the LED lamp shown in FIG. 1 .

Description of reference signs: 10-bracket; 11-inner cavity; 20-LED lamp board; 21-first extension; 22-light board electrode; 23-second extension; 30-end cover; 31-the first 1 fixing slot; 32-second fixing slot; 33-pin fixing hole; 40-drive power component; 41-drive circuit board; 43-first elastic contact piece; 44-first power pin; 50-second end cap.

Detailed ways

The utility model is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

As shown in Figure 1, the LED lamp in one embodiment of the present utility model includes: a bracket 10, an LED light source assembly, a driving power supply assembly 40, a first end cover 30 and a second end cover 50, wherein the present embodiment The stent 10 is a tubular structure, which has a lumen 11 extending axially and opening at both ends. It should be noted that, as an alternative, the bracket 10 may be a lamp tube or a fixing frame such as a ceiling lamp.

As shown in Figures 1 and 2, the LED light source assembly includes an LED lamp board 20 and a plurality of LED lamp beads (not shown in the figure) arranged on the LED lamp board 20, and the LED lamp board 20 is fixed on Inside the lumen 11 of the stent 10 . Both ends of the LED lamp board 20 protrude from the inner cavity 11 to form a first protruding portion 21 and a second protruding portion 23, and the first protruding portion 21 and the second protruding portion 23 is provided with an exposed lamp plate electrode 22 .

As shown in FIG. 3 , the first end cover 30 can cover the first end of the bracket 10 , the first end cover 30 has a first fixing groove 31 , a second fixing groove 32 and two pin fixing holes 33 , When the first end cover 30 covers the first end of the bracket 10 , the end of the first extending portion 21 is inserted into and fixed in the first fixing groove 31 . Preferably, there are two first fixing grooves 31, the end of the first extension 21 is a fork-shaped structure, and the two forks of the first extension 21 are inserted into the two first extensions respectively. In a fixing groove 31, it is fixed more firmly like this. Preferably, the first fixing groove 31 is located above the second fixing groove 32 . Of course, the first fixing groove 31 can also be set under the second fixing groove 32 or at the same level, and only need to adjust the positions of the lamp board electrodes and the positive and negative pads accordingly.

As shown in Figures 4 and 5, the drive power assembly 40 includes a drive circuit board 41, an LED drive power circuit (not shown in the figure) disposed on the drive circuit board 41, two first power pins 44 and two first elastic contacts 43, wherein the driving circuit board 41 is inserted and fixed in the second fixing groove 32, and one end of the two first power supply pins 44 is fixed on the driving circuit board 41, and is connected with the driving circuit board 41. The input end of the LED driving power circuit is electrically connected, and the other end passes through the pin fixing hole 33 on the first end cover 30 . Preferably, the first power pin 44 is L-shaped. The two first elastic contacts 43 are arranged on the driving circuit board 41 and are electrically connected to the output end of the LED driving power supply circuit. When the first end cover 30 covers the first end of the bracket 10 , the first elastic contact piece 43 is electrically connected to the lamp board electrode 22 on the first protruding portion 21 .

The second end cover 50 can cover the second end of the bracket 10 . The structure of the second end cover 50 is the same as that of the first end cover 30, and the driving power supply assembly 40 is installed in the second end cover 50; When it is on the second end of the second end, the first elastic contact piece 43 is electrically connected to the lamp board electrode 22 on the second protruding portion 23 .

If the length of the LED lamp is below 80 cm, a connection device is provided in the second end cover 50 to replace the driving power supply assembly 40, and the connection device includes a connection circuit board, a connection circuit arranged on the connection circuit board, and a connection circuit arranged on the connection circuit board. The second power supply pin on the connection circuit board electrically connected to the input end of the connection circuit and the second elastic contact piece on the connection circuit board electrically connected to the output end of the connection circuit, The second power supply pin passes through the pin fixing hole on the second end cover 50 , and when the second end cover 50 is covered on the second end of the bracket 10 , the second elastic The contact piece is electrically connected to the lamp board electrode 22 on the second extending portion 23 .

It can be seen from the above that, in the LED lamp of the embodiment of the present utility model, the driving power supply assembly and the lamp board electrode on the LED lamp board are electrically connected by contacting with the elastic contact piece, which saves the need for welding wires between the driving power supply assembly and the LED lamp board. The connection process has simple structure, simple installation, and low manufacturing cost; moreover, it eliminates the need for pre-embedded electrode pins and the process of soldering electrical connection with the lamp board when the end cover is formed in the prior art, the structure is simpler, and the installation Simpler and less expensive to manufacture.

At the same time, compared with the drive power plug in the cavity of the bracket in the prior art, the drive circuit board of the drive power assembly is clamped on the end cover, which has a more compact structure and is easy to install. In this way, the LED light board, end cover and drive power supply components can all be designed with standard modules, which saves the process of injecting embedded electrodes and electrical connection welding wires on the end cover, the production process is more simplified, the cost per unit production time is lower, and it is more convenient. Standardized production on a large scale further reduces production and management costs.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model.

Claims (10)

1. An LED lamp, characterized in that, comprising: A bracket (10), the bracket (10) having a lumen (11) extending axially and opening at both ends; LED light source assembly, the LED light source assembly includes an LED lamp board (20) and a plurality of LED lamp beads arranged on the LED lamp board (20), and the LED lamp board (20) is fixed on the bracket (10) ), and the two ends of the LED light board (20) protrude from the inner cavity (11) respectively to form a first protruding portion (21) and a second protruding portion (23), And an exposed lamp board electrode (22) is provided on the first extension part (21) and the second extension part (23); A driving power supply assembly (40), the driving power supply assembly (40) comprising a driving circuit board (41), an LED driving power supply circuit arranged on the driving circuit board (41) and an LED driving power supply circuit arranged on the driving circuit board (41) The first elastic contact piece (43) electrically connected to the output end of the LED driving power supply circuit on the top; and The first end cover (30), the first end cover (30) can be covered on the first end of the bracket (10), the drive power supply assembly (40) is housed in the first end cover (30) ); when the first end cover (30) is covered on the first end of the bracket (10), the first elastic contact (43) and the first protruding part (21) The lamp board electrodes (22) are electrically connected. 2. The LED lamp according to claim 1, characterized in that, the first end cover (30) is provided with a first fixing groove (31), and the end of the first protruding part (21) is inserted into fixed in the first fixing groove (31). 3. The LED lamp according to claim 2, characterized in that there are two first fixing grooves (31), the end of the first extension part (21) is a fork-shaped structure, and the first The two fork arms of an extension part (21) are respectively inserted into the two first fixing slots (31). 4. The LED lamp according to claim 2, characterized in that, the first end cover (30) is also provided with a second fixing groove (32), and the driving circuit board (41) is inserted and fixed in the Inside the second fixing groove (32). 5. The LED lamp according to Claim 4, characterized in that, the first fixing groove (31) is located above the second fixing groove (32). 6. The LED lamp according to claim 1, characterized in that, the driving power supply assembly (40) further comprises a first power pin (44), one end of the first power pin (44) is fixed on the The drive circuit board (41) is electrically connected to the input end of the LED drive power supply circuit, and the other end passes through the pin fixing hole (33) on the first end cover (30). 7. The LED lamp according to claim 6, characterized in that, the first power pin (44) is L-shaped. 8. The LED lamp according to any one of claims 1 to 7, characterized in that it further comprises a second end cover (50), and the second end cover (50) can be covered on the bracket (10 ) on the second end. 9. The LED lamp according to claim 8, characterized in that, the driving power supply assembly (40) is housed in the second end cover (50); when the second end cover (50) covers the When on the second end of the bracket (10), the first elastic contact piece (43) is electrically connected to the lamp board electrode (22) on the second extension portion (23). 10. The LED lamp according to claim 8, characterized in that, the second end cover (50) is equipped with a connection device, and the connection device includes a connection circuit board, a connection circuit arranged on the connection circuit board and the second power pin arranged on the connecting circuit board and electrically connected to the input end of the connecting circuit and the second elastic pin arranged on the connecting circuit board and electrically connected to the output end of the connecting circuit Contact piece, the second power supply pin passes through the pin fixing hole on the second end cover (50), when the second end cover (50) is covered on the second end of the bracket (10) When the end is on, the second elastic contact piece is electrically connected to the lamp board electrode (22) on the second extension part (23).