Novel dimming and color-adjusting low-voltage LED light bar

Abstract

The utility model discloses a novel dimming and color-adjusting low-voltage LED light bar, which belongs to the technical field of LED light bars, and comprises a support plate and a light bar main body arranged on the surface of the support plate, a protective cover is arranged on the surface of the support plate, a connecting block is movably connected in the protective cover, a positioning column is fixed at one end of the connecting block, and the positioning column is fixed at the other end of the connecting block. A sealing plate is fixed to the outer wall of one side of the connecting block, a push-pull block is fixed to the side, away from the connecting block, of the sealing plate, a positioning sleeve used for fixing the position of the sealing plate is fixed to the outer wall of one side of the protective cover, and a through hole allowing the positioning column to move is formed in the outer wall of the side, away from the positioning column, of the protective cover. And a fixing sleeve for fixing the position of the positioning column is fixed in the protective cover. According to the novel dimming and color-adjusting low-voltage LED lamp strip, connection of two LED lamps can be rapidly completed, and meanwhile when the LED lamps are independently used, the positioning columns are protected and prevented from being damaged.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED light strips, and in particular relates to a novel dimming and color-adjusting low-voltage LED light strip. Background Art

[0002] LED light strips refer to LEDs assembled on a strip-shaped FPC or PCB hard board. They are named because their product shape resembles a strip. LED light strips can be divided into LED hard light strips and flexible LED light strips. They are not only used for lighting, but also for the outline decoration of buildings and billboards. Due to their good flexibility and low power consumption, LEDs are used more and more widely in the lighting field as a green and energy-saving solid-state light source.

[0003] Reference authorization announcement number: CN218565186U Chinese authorized patent: A new dimming and color-adjusting low-voltage LED light strip. This utility model is equipped with a Velcro strap in front of the LED light strip housing. The Velcro strap can fix the LED light strip housing in a specific position by bonding the fur surface and the hook surface. The connection between the buckle and the buckle groove can achieve a one-step quick connection between the two LED lights. The electrical connection of the LED light strip is achieved through the connector and the interface. The heat-conducting and shock-proof support plate is provided to reduce damage caused by internal overheating or falling.

[0004] However, in the above patent, the buckle and the connector are exposed. When there is no need to connect the two LED lamps, the exposed buckle and connector not only take up space, but are also easily damaged by external forces, thereby affecting the connection between the two LED lamps. Utility Model Content

[0005] The purpose of the present utility model is to provide a new dimming and color-adjusting low-voltage LED light strip to solve the problem that the clips and joints proposed in the above-mentioned background technology are exposed. When there is no need to connect two LED lamps, the exposed clips and joints not only take up space, but are also easily damaged by external forces, thereby affecting the connection between the two LED lamps.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new dimming and color-adjusting low-voltage LED light strip, comprising a support plate and a light strip main body installed on the surface of the support plate, a protective cover installed on the surface of the support plate, a connecting block movably connected inside the protective cover, a positioning column fixed at one end of the connecting block, and a sealing plate fixed to one side outer wall of the connecting block, a push-pull block fixed on the side of the sealing plate away from the connecting block, a positioning sleeve fixed on one side outer wall of the protective cover for fixing the position of the sealing plate; a through hole for the positioning column to move is opened on the outer wall of the protective cover on the side away from the positioning column, and a fixing sleeve fixed inside the protective cover for fixing the position of the positioning column.

[0007] In a further embodiment, a movable hole is provided on the outer wall of the positioning sleeve away from the protective cover, a positioning pin is movably connected in the movable hole of the positioning sleeve, and two positioning holes matching the positioning pin are provided on the sealing plate.

[0008] In a further embodiment, a limiting ring is fixed to the outer wall of the positioning pin, and a supporting spring for supporting the limiting ring is sleeved on the outside of the positioning pin.

[0009] In a further embodiment, two movable grooves are symmetrically provided in the fixing sleeve, and fixing springs are placed in the movable grooves of the fixing sleeve.

[0010] In a further embodiment, a fixing pin movable in a movable groove of the fixing sleeve is provided on one side of the fixing spring, and fixing grooves matching the fixing pin are provided on both upper and lower outer walls of the positioning column.

[0011] In a further embodiment, a light bar body is mounted on the surface of the support plate, a circuit board is mounted inside the light bar body, a plurality of LED lamp beads are mounted on the surface of the circuit board, and a driving chip is mounted on the surface of the circuit board.

[0012] In a further embodiment, a control button is installed on one side outer wall of the protective cover, and a plurality of reflective films matching the LED lamp beads are installed on the top wall of the inner cavity of the protective cover.

[0013] Technical effects and advantages of this utility model:

[0014] The new dimming and color-adjusting low-voltage LED light strip uses a movable connecting block, a positioning column, a sealing plate and a push-pull block. When the two LED lamps do not need to be connected, the positioning column can be retracted into the protective cover to avoid the positioning column taking up space and also prevent the positioning column from being damaged; the support of the limit ring by the support spring can enable the positioning pin to be inserted into the positioning hole of the sealing plate, thereby fixing the position of the positioning column and ensuring the stability of the positioning column during connection and storage; the positioning column on one LED lamp is inserted into the protective cover of another LED lamp, so that the connection of the two LED lamps can be completed quickly, and at the same time, the fixing spring supports the fixing pin so that the fixing pin is inserted into the fixing groove of the positioning column, thereby ensuring the stability of the connection between the two LED lamps. The new dimming and color-adjusting low-voltage LED light strip can quickly complete the connection of the two LED lamps, and at the same time, when the LED lamp is used alone, the positioning column is protected to avoid damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a structural diagram of the support plate of the present utility model;

[0018] Figure 3 It is a cross-sectional view of the protective cover of the present utility model;

[0019] Figure 4 This is a structural diagram of the connecting block of the utility model;

[0020] Figure 5 This is an exploded view of the positioning sleeve of the present utility model.

[0021] In the figure: 1. Support plate; 2. Light bar body; 3. Circuit board; 4. LED lamp beads; 5. Driver chip; 6. Protective cover; 7. Control button; 8. Reflective film; 9. Connecting block; 10. Positioning column; 11. Sealing plate; 12. Push-pull block; 13. Limiting ball; 14. Positioning sleeve; 15. Positioning pin; 16. Limiting ring; 17. Support spring; 18. Fixing sleeve; 19. Fixing spring; 20. Fixing pin. DETAILED DESCRIPTION

[0022] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0023] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0024] In order to quickly complete the connection of the two LED lamps, and at the same time protect the positioning column 10 to avoid damage when the LED lamp is used alone, such as Figures 1 to 5As shown, a light strip body 2 is mounted on the surface of the support plate 1, a circuit board 3 is mounted in the light strip body 2, a plurality of LED lamp beads 4 are mounted on the surface of the circuit board 3, and a driving chip 5 is mounted on the surface of the circuit board 3. The driving chip 5 is a prior art, and its driving method is not described in detail here. Countersunk threaded holes are provided at the four corners of the surface of the support plate 1 to facilitate the installation of the support plate 1. A protective cover 6 is mounted on the surface of the support plate 1, and a control button 7 is mounted on the outer wall of one side of the protective cover 6. The cooperation and control between the control button 7 and the driving chip 5 are also prior art. When color adjustment is required, the driving chip 5 is controlled by short pressing the control button 7 to change the circuit, thereby adjusting the color. The color is adjusted. When dimming is required, the driver chip 5 is controlled by long pressing the control button 7 to change the circuit to perform dimming, and the top wall of the inner cavity of the protective cover 6 is installed with multiple reflective films 8 that match the LED lamp beads 4, which can play a role in focusing light, thereby ensuring the lighting effect of the LED lamp beads 4; a connecting block 9 is movably connected in the protective cover 6, and a positioning column 10 is fixed at one end of the connecting block 9. A guide hole for the positioning column 10 to move is provided on the left outer wall of the protective cover 6, and a sealing plate 11 is fixed on one side of the outer wall of the connecting block 9. A push-pull block 12 is fixed on the side of the sealing plate 11 away from the connecting block 9. The upper and lower outer walls of the connecting block 9 are provided with a rotation groove. 9 is rotatably connected with the limiting ball 13 in the rotating groove of the support plate 1, and the surface of the support plate 1 and the top wall of the protective cover 6 are provided with a limiting slide groove for the sliding of the limiting ball 13, which can ensure the smooth movement of the connecting block 9 and also limit the movement path of the connecting block 9. The outer wall of the protective cover 6 is provided with a guide groove for the push-pull block 12 to move. Through the movable connecting block 9, the positioning column 10, the sealing plate 11 and the push-pull block 12, when the two LED lamps are no longer needed to be connected, the positioning column 10 can be recovered into the protective cover 6 to avoid the positioning column 10 taking up space and also prevent the positioning column 10 from being damaged; one side outer wall of the protective cover 6 is fixed with a A fixed positioning sleeve 14 is provided with a movable hole on the outer wall of the positioning sleeve 14 away from the protective cover 6. A positioning pin 15 is movably connected in the movable hole of the positioning sleeve 14. A connecting hole for the positioning pin 15 to move is provided on the protective cover 6. A limiting ring 16 is fixed to the outer wall of the positioning pin 15, and a supporting spring 17 for supporting the limiting ring 16 is sleeved on the outside of the positioning pin 15. Two positioning holes matching the positioning pin 15 are provided on the sealing plate 11. The support of the limiting ring 16 by the supporting spring 17 can enable the positioning pin 15 to be inserted into the positioning hole of the sealing plate 11, thereby fixing the position of the positioning column 10 and ensuring the stability of the positioning column 10 when connected and stored;The outer wall of the protective cover 6, on the side away from the positioning post 10, has a through-hole for the positioning post 10 to move. A fixing sleeve 18, used to secure the positioning post 10, is fixed within the protective cover 6. The fixing sleeve 18 has two symmetrical movable slots. A fixing spring 19 is placed in the movable slot of the fixing sleeve 18. One side of the fixing spring 19 is provided with a fixing pin 20 that moves within the movable slot of the fixing sleeve 18. The upper and lower outer walls of the positioning post 10 each have a fixing slot that matches the fixing pin 20. By plugging the positioning post 10 on one LED lamp into the protective cover 6 of another LED lamp, the two LED lamps can be quickly connected. At the same time, the fixing spring 19 supports the fixing pin 20, allowing it to be inserted into the fixing slot of the positioning post 10, thereby ensuring the stability of the connection between the two LED lamps.

[0025] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here. The control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0026] In the description of the present invention, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0027] Working principle:

[0028] The new dimming and color-adjusting low-voltage LED light bar is installed in a suitable position by screws matching the countersunk threaded holes on the support plate 1, and the device is connected to an external power supply. When color adjustment is required, the driver chip 5 is controlled by short pressing the control button 7 to change the circuit, thereby adjusting the color. When dimming is required, the driver chip 5 is controlled by long pressing the control button 7 to change the circuit, thereby dimming. When two LED lamps need to be connected, the positioning pin 15 is pulled to separate the positioning pin 15 from the positioning hole on the sealing plate 11, and the sealing plate 1 is driven by the push-pull block 12. 1 moves, thereby driving the connecting block 9 and the positioning column 10 to move, pushing the positioning column 10 out of the protective cover 6, loosening the positioning pin 15, and the supporting spring 17 supports the limiting ring 16 so that the positioning pin 15 is inserted into the positioning hole of the sealing plate 11, thereby fixing the position of the positioning column 10; inserting the positioning column 10 on one LED lamp into the protective cover 6 of another LED lamp, quickly completing the connection between the two LED lamps, and at the same time, the fixing spring 19 supports the fixing pin 20 so that the fixing pin 20 is inserted into the fixing groove of the positioning column 10, thereby ensuring the stability of the connection between the two LED lamps.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel dimming and color-adjusting low-voltage LED light bar, comprising a support plate (1) and a light bar body (2) mounted on the surface of the support plate (1), characterized in that: A protective cover (6) is installed on the surface of the support plate (1), a connecting block (9) is movably connected inside the protective cover (6), a positioning column (10) is fixed to one end of the connecting block (9), and a sealing plate (11) is fixed to an outer wall of one side of the connecting block (9), a push-pull block (12) is fixed to a side of the sealing plate (11) away from the connecting block (9), and a positioning sleeve (14) for fixing the position of the sealing plate (11) is fixed to an outer wall of one side of the protective cover (6); a through hole for the positioning column (10) to move is opened on the outer wall of the side of the protective cover (6) away from the positioning column (10), and a fixing sleeve (18) for fixing the position of the positioning column (10) is fixed inside the protective cover (6).

2. According to claim 1, the novel dimming and color-adjusting low-voltage LED light bar is characterized by: A movable hole is formed on the outer wall of the positioning sleeve (14) on a side away from the protective cover (6), a positioning pin (15) is movably connected in the movable hole of the positioning sleeve (14), and two positioning holes matching the positioning pin (15) are formed on the sealing plate (11).

3. According to claim 2, the novel dimming and color-adjusting low-voltage LED light bar is characterized by: A limiting ring (16) is fixed to the outer wall of the positioning pin (15), and a supporting spring (17) for supporting the limiting ring (16) is sleeved on the outside of the positioning pin (15).

4. According to claim 1, the novel dimming and color-adjusting low-voltage LED light bar is characterized by: Two movable grooves are symmetrically provided in the fixed sleeve (18), and a fixed spring (19) is placed in the movable groove of the fixed sleeve (18).

5. According to claim 4, the novel dimming and color-adjusting low-voltage LED light bar is characterized in that: A fixing pin (20) movable in a movable groove of the fixing sleeve (18) is provided on one side of the fixing spring (19), and fixing grooves matching the fixing pin (20) are provided on both upper and lower outer walls of the positioning column (10).

6. According to claim 1, the novel dimming and color-adjusting low-voltage LED light bar is characterized by: A light bar body (2) is mounted on the surface of the support plate (1), a circuit board (3) is mounted inside the light bar body (2), a plurality of LED lamp beads (4) are mounted on the surface of the circuit board (3), and a driving chip (5) is mounted on the surface of the circuit board (3).

7. According to claim 6, the novel dimming and color-adjusting low-voltage LED light bar is characterized by: A control button (7) is installed on one side outer wall of the protective cover (6), and a plurality of reflective films (8) matching the LED lamp beads (4) are installed on the top wall of the inner cavity of the protective cover (6).

Images