CN214094391U

CN214094391U - LED lamp strip connector and LED lamp

Info

Publication number: CN214094391U
Application number: CN202120216813.XU
Authority: CN
Inventors: 熊焰; 莫玲根
Original assignee: Signify Holding BV
Current assignee: Signify Holding BV
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-08-31
Anticipated expiration: 2031-01-26

Abstract

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED lamp strip connector and LED lamps and lanterns. Wherein, LED lamp strip connector includes: a base; the first gland and the second gland are connected to the base in a rotatable mode; the end parts of the two LED lamp strips are electrically connected through the connecting sheet, and the middle part of the connecting sheet is connected with the middle part of the base; the base is provided with a curved bearing surface for respectively bearing the end parts of the two LED lamp strips, the two ends of the connecting piece are both curved, the bending direction of the connecting piece is the same as the bending direction of the bearing surface, and when the first pressing cover and the second pressing cover are buckled on the base, the first pressing cover and the second pressing cover respectively abut against the two ends of the connecting piece to press the corresponding end parts of the LED lamp strips on the corresponding bearing surfaces. By the technical scheme, the problems that in the prior art, two LED lamp strips are connected through the connector, contact resistance is large, and tensile capacity between the LED lamp strips and the connector is low are solved.

Description

LED lamp strip connector and LED lamp

Technical Field

The utility model belongs to the technical field of lighting apparatus, especially, relate to a LED lamp strip connector and use LED lamps and lanterns of this connector.

Background

In the prior art, various lamps use LED light bars as light emitting elements, and take a panel light as an example, a plurality of LED light bars are arranged in an array as light emitting elements. In practical application, in the process of assembling the LED light bars, especially for the assembly process of a relatively large-sized LED lamp, the length of a single LED light bar cannot meet the requirement of the length of the light bar, and therefore, two or more LED light bars need to be spliced into an LED light bar with sufficient length for assembly.

As shown in fig. 1 to 3, two LED light bars 100' are connected by using an LED light bar connector, which includes a base 1, a first pressing cover 2, a second pressing cover 3 and a connecting piece 4, wherein the base 1 has a flat bearing surface, and the first pressing cover 2 and the second pressing cover 3 are connected to the base 1. The end parts of the two LED light bars are flatly placed on the bearing surface in an opposite grounding mode, then the connecting piece 4 is connected to the base 1, the two ends of the connecting piece 4 are respectively in corresponding contact with the welding discs on the two LED light bars, then the first pressing cover 2 and the second pressing cover 3 are respectively pressed on the base 1 in a pressing mode, one end of the connecting piece 4 is pressed towards the welding disc at the end part of one LED light bar by the first pressing cover 2, the other end of the connecting piece 4 is pressed towards the welding disc at the end part of the other LED light bar by the first pressing cover 2, and then the two ends of the connecting piece 4 are respectively in point contact with the welding discs on the two LED light bars to form an electrifying path. Therefore, the connection extension between the two LED lamp strips is completed.

In two LED lamp strips that so connect the completion, be the point contact between the tip pad of LED lamp strip and the connection piece, on-resistance is great, and when heavy current switches on the luminescence, point contact position temperature is very high, takes place the burning accident very easily. In addition, the end parts of the LED lamp strips are flatly laid on the flat bearing surface of the base 1, so that the tensile capacity between the two LED lamp strips completely depends on the pressure of the pressing cover on the end parts of the lamp strips through the connecting pieces, the tensile capacity between the two LED lamp strips is low, and the LED lamp strips and the connector are easily disconnected at the connector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED lamp strip connector and LED lamps and lanterns aims at solving and connects the problem that has contact resistance big and tensile strength is low between LED lamp strip and the connector through the connector between two LED lamp strips among the prior art.

In order to achieve the above object, the utility model adopts the following technical scheme: an LED light bar connector comprising: a base; the first gland and the second gland are connected to the base in a rotatable mode; the end parts of the two LED lamp strips are electrically connected through the connecting sheet, and the middle part of the connecting sheet is connected with the middle part of the base; the base is provided with a curved bearing surface for respectively bearing the end parts of the two LED lamp strips, the two ends of the connecting piece are both curved, the bending direction of the connecting piece is the same as the bending direction of the bearing surface, and when the first pressing cover and the second pressing cover are buckled on the base, the first pressing cover and the second pressing cover respectively abut against the two ends of the connecting piece to press the corresponding end parts of the LED lamp strips on the corresponding bearing surfaces.

Optionally, the cutting contour line of the bearing surface along the extension direction of the LED light bar is an arc line.

Optionally, the bearing surface is a groove bottom surface of a rectangular groove.

Optionally, the positions of the first pressing cover and the second pressing cover corresponding to the end portions of the LED light bars are provided with windows for observing the end portions of the LED light bars, and one sides of the first pressing cover and the second pressing cover facing the base are provided with abutting protrusions for abutting against the connecting sheet.

Optionally, the first pressing cover and the second pressing cover are respectively provided with a positioning column corresponding to the through hole on the end portion of the LED light bar, and the base is provided with an assembling groove corresponding to the positioning column.

Optionally, the middle part of the base is provided with a connecting part, the first gland and the second gland are pivotally connected to the connecting part, the rotating directions of the first gland and the second gland are opposite, the two opposite sides of the first gland and the second gland, which are located on the extension axis of the LED light bar, are provided with a buckle hook, the two corresponding sides of the base are provided with a buckle position, and when the first gland and the second gland are respectively buckled on the base, the buckle hook is buckled on the buckle position.

Optionally, a separation handle is arranged corresponding to each buckle hook, and the separation handle drives the buckle hook to separate from the buckling position.

Optionally, one side of the base, which is located on the extension axis of the LED light bar, is provided with a connecting portion, the first pressing cover and the second pressing cover are pivotally connected to the connecting portion, the rotation direction of the first pressing cover is the same as that of the second pressing cover, the opposite side of the first pressing cover and the opposite side of the second pressing cover, which is opposite to the side where the pivot is located, is provided with a buckle hook, the corresponding side of the base is provided with a buckle position, and when the first pressing cover and the second pressing cover are respectively buckled on the base, the buckle hook is buckled on the buckle position.

Optionally, the middle part of the base is provided with a jack, and the middle part of the connecting sheet is provided with a pin which is inserted into the jack.

According to the utility model discloses an on the other hand provides a LED lamp. Specifically, the LED lamp comprises at least two LED lamp strips and a plurality of LED lamp strip connectors as described above, and the butt joint end portions of two adjacent LED lamp strips are connected through the LED lamp strip connectors.

The utility model discloses following beneficial effect has at least:

when assembling the great size LED lamps and lanterns, splice the length in order to reach needs to the LED lamp strip that length is not enough, therefore the utility model provides a LED lamp strip connector, in this LED lamp strip connector, place two LED lamp strip tip butt joints ground respectively on crooked loading end, and put the connection piece at LED lamp strip tip range upon range of, when realizing the electricity connection through the connection piece between two LED lamp strips, because the connection piece both ends are all crooked, and the crooked direction at connection piece both ends is the same with the crooked direction of corresponding loading end, and support the connection piece both ends respectively through first gland and second gland, therefore the connection piece both ends compress tightly two LED lamp strip tip respectively on the loading end that corresponds, just so reached the purpose of extension LED lamp strip. Adopt this LED lamp strip connector to splice two LED lamp strips, crooked loading face, LED lamp strip tip and the connection piece three the same with the crooked direction of loading face mutually support, make between the conducting disc on connection piece and the LED lamp strip tip form the face contact circular telegram connected mode, thereby greatly reduced contact resistance, the probability of burning has taken place because point contact resistance is big between connection piece tip and the LED lamp strip tip surface among the prior art has been eliminated, and simultaneously, along the extending direction of LED lamp strip, when dragging LED lamp strip for LED lamp strip connector, the frictional force that the face contact produced between connection piece tip and the LED lamp strip tip surface compares in current point contact frictional force increase, thereby the tensile capacity between LED lamp strip and the LED lamp strip connector has been promoted.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of an assembly structure of a conventional LED light bar connector and two LED light bars;

FIG. 2 is an exploded view of one of the viewing angles of FIG. 1;

FIG. 3 is an exploded view from another perspective of FIG. 1;

fig. 4 is an exploded view of an assembly of an LED strip connector and two LED strips according to an embodiment of the present invention;

fig. 5 is an exploded view of the LED light bar connector of an embodiment of the present invention with the first gland open;

fig. 6 is a schematic structural diagram of a first view angle of a first gland or a second gland in an LED light bar connector according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a second view angle of the first gland or the second gland in the LED light bar connector according to the embodiment of the present invention;

fig. 8 is a schematic structural diagram of a third view angle of the first gland or the second gland in the LED light bar connector according to the embodiment of the present invention;

fig. 9 is a schematic structural diagram of one of the viewing angles of the base in the LED light bar connector according to the embodiment of the present invention;

fig. 10 is a schematic structural diagram of another view angle of the base in the LED strip connector according to the embodiment of the present invention;

fig. 11 is a schematic structural diagram of a connecting sheet in an LED light bar connector according to an embodiment of the present invention.

The reference numerals denote the following:

10. a base; 11. a connecting portion; 12. a bearing surface; 13. buckling positions; 14. a jack; 20. a first gland; 30. a second gland; 21. abutting against the bulge; 22. a positioning column; 23. buckling; 24. a separation handle; 40. connecting sheets; 41. a pin; 100. an LED light bar.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 4 and 5, the embodiment of the utility model provides a LED lamp strip connector, when the length of LED lamp strip 100 who uses in the LED lamps and lanterns is not enough, then can adopt this LED lamp strip connector to splice into the lamp strip of required length to two or more than two LED lamp strips 100, adopt the LED lamp strip connector to splice between two adjacent LED lamp strip 100 tip. Specifically, the LED lamp strip connector comprises a base 10, a first pressing cover 20, a second pressing cover 30 and a connecting piece 40, wherein two curved bearing surfaces 12 are arranged on the base 10, the two bearing surfaces 12 are used for respectively bearing the end parts of two LED lamp strips 100, one side of the first pressing cover 20 and one side of the second pressing cover 30 are pivotally connected to the base 10 (namely, the first pressing cover 20 rotates around a pivot to be opened and closed relative to the base 10, the second pressing cover 30 rotates around the pivot to be opened and closed relative to the base 10), both ends of the connecting piece 40 are curved, and the complete direction of both ends of the connecting piece 40 is the same as the curved direction of the bearing surfaces 12 (ideally, the curved shape of both ends of the connecting piece 40 is matched with the curved shape of the bearing surfaces 12). Therefore, in the assembling process, the middle of the connecting sheet 40 is connected to the middle position of the base 10, the two ends of the connecting sheet 40 respectively extend towards the two bearing surfaces 12, when the first pressing cover 20 and the second pressing cover 30 are respectively buckled on the base 10, the first pressing cover 20 and the second pressing cover 30 respectively abut against the two ends of the connecting sheet 40 to press the corresponding end portions of the LED light bars 100 on the corresponding bearing surfaces 12, and the two end portions of the LED light bars 100 are electrically connected and powered on through the connecting sheet 40.

When assembling the great size LED lamps and lanterns, splice the length in order to reach needs to LED lamp strip 100 that length is not enough, therefore the utility model provides an LED lamp strip connector, in this LED lamp strip connector, place two LED lamp strip 100 tip on crooked loading end 12 respectively to ground connection, and put connection piece 40 at the range upon range of LED lamp strip 100 tip, when realizing the electricity connection through connection piece 40 between two LED lamp strip 100, because connection piece 40 both ends are all crooked, and the crooked direction at connection piece 40 both ends is the same with the crooked direction of corresponding loading end 12, and support connection piece 40 both ends respectively through first gland 20 and second gland 30, therefore connection piece 40 both ends compress tightly two LED lamp strip 100 tip on corresponding loading end 12 respectively, just so reached the purpose of extension LED lamp strip 100. The LED lamp strip connector is used for splicing two LED lamp strips 100, the curved bearing surface 12, the end parts of the LED lamp strips 100 and the connecting sheet 40 which is in the same bending direction as the bearing surface 12 are matched with each other, so that a surface contact power-on connection mode is formed between the connecting sheet 40 and a conductive disc on the end part of the LED lamp strip 100, the contact resistance is greatly reduced, the probability of combustion caused by large point contact resistance between the end part of the connecting sheet and the end part surface of the LED lamp strip in the prior art is eliminated, meanwhile, in the extending direction of the LED lamp strip 100, when the LED lamp strip 100 is pulled relative to the LED lamp strip connector, the friction force generated by surface contact between the end part of the connecting sheet 40 and the end part surface of the LED lamp strip 100 is increased compared with the existing point contact friction force, and the tensile capacity between the LED lamp strip 100 and the LED lamp strip connector is improved.

As shown in fig. 4, 5 and 9, the cut-away contour line of the curved bearing surface 12 along the extending direction of the LED light bar 100 is an arc line. Specifically, the carrying surface 12 is an arc-shaped surface recessed on the susceptor 10, or the carrying surface 12 is an arc-shaped surface protruded on the susceptor 10.

In another possible embodiment, the bearing surface 12 is designed as a groove bottom surface of a rectangular groove, in which case the bearing surface 12 is a plane, and correspondingly, the two ends of the connecting piece 40 are also provided with bending shapes matched with the rectangular groove (ideally, the bending shapes of the two ends of the connecting piece 40 are matched with the shape of the rectangular groove).

As shown in fig. 4 to 8, the first pressing cover 20 and the second pressing cover 30 have a window (not numbered) corresponding to the end of the LED light bar 100, and the window can clearly observe the end of the LED light bar 100 placed on the bearing surface 12 and the end of the connecting piece 40 pressed on the end of the LED light bar 100. And, the first pressing cover 20 and the second pressing cover 30 are provided with abutting protrusions 21 on one side facing the base 10, when the end portions of the two LED light bars 100 are respectively placed on the corresponding bearing surfaces 12, and the two ends of the connecting sheet 40 are respectively placed corresponding to the end portions of the two LED light bars 100 (that is, the middle portion of the base 10 is provided with the insertion hole 14, and the middle portion of the connecting sheet 40 is provided with the pins 41, as shown in fig. 11, the pins 41 are inserted into the insertion holes 14, so that the two ends of the connecting sheet 40 are automatically placed corresponding to the bearing surfaces 12 and the end portions of the LED light bars 100). Then, the first pressing cover 20 and the second pressing cover 30 are both fastened on the base 10, and the abutting protrusions 21 abut against the two ends of the connecting sheet 40 to press the end portions of the corresponding LED light bars 100 on the corresponding bearing surfaces 12. When the adjacent spliced LED light bars 100 are in series conduction, at this time, only one connecting sheet 40 can be adopted between the adjacent two LED light bars 100 to realize series conduction connection; when the LED lamp beads on the LED lamp strips 100 are connected in parallel and the adjacent spliced LED lamp strips 100 are also connected in parallel, at this time, the two connecting pieces 40 are required to be connected, as shown in fig. 4 and 5, two ends of one connecting piece 40 are respectively abutted to the anodes of the two LED lamp strips 100, and two ends of the other connecting piece 40 are respectively abutted to the cathodes of the two LED lamp strips 100.

As shown in fig. 4, 8 and 9, the first pressing cover 20 and the second pressing cover 30 are respectively provided with a positioning post 22 corresponding to a through hole (not numbered) corresponding to a through hole on the end of the LED light bar 100. During assembly, the first cover 20 is fastened to the base 10, and the positioning posts 22 pass through the through holes at the ends of the LED light bars 100 and then are positioned on the base 10. In order to accurately and stably position the positioning column 22 on the base 10, an assembly groove is provided on the base 10 corresponding to the positioning column 22 of the first pressing cover 20, after the positioning column 22 of the first pressing cover 20 passes through the through hole on the end of the LED light bar 100, the first pressing cover 20 continues to be fastened to the base 10, and the end of the positioning column 22 is assembled into the assembly groove. Similarly, the positioning post 22 is disposed on the second pressing cover 30 corresponding to the through hole at the end of the other LED light bar 100.

In the present embodiment, the base 10 is provided at the middle portion thereof with the connection portion 11, and the first and

second glands

20 and 30 are pivotably connected to the connection portion 11, and when the first and

second glands

20 and 30 are rotated with respect to the base 10, respectively, the rotation direction of the first gland 20 and the rotation direction of the second gland 30 are opposite to each other. Further, the first pressing cover 20 and the second pressing cover 30 are provided with hooks 23 at opposite sides of the extending axis of the LED light bar 100, and a fastening position 13 is provided at a side of the base 10 corresponding to the hooks 23 of the first pressing cover 20 and the second pressing cover 30, as shown in fig. 9 and 10. When the first pressing cover 20 and the second pressing cover 30 are respectively buckled on the base 10, the buckling hook 23 is buckled on the buckling position 13, so that both the first pressing cover 20 and the second pressing cover 30 can effectively apply abutting pressure on the connecting piece 40.

As shown in fig. 4 to 8, in order to detach the first gland 20 and the second gland 30 from the base 10, the hook 23 on the first gland 20 and the hook 23 on the second gland 30 need to be released first, for this reason, a separation handle 24 is provided on the first gland 20 and the second gland 30 corresponding to each hook 23, by operating the separation handle 24, the two separation handles 24 approach each other, and at this time, the two corresponding hooks 23 are driven to move away from each other so as to disengage from the fastening position 13, for example, by operating the two separation handles 24 on the first gland 20, the two hooks 23 are driven to move away from each other until the two hooks 23 disengage from the fastening position 13 of the base 10.

In the LED light bar connector provided by the second embodiment, a connecting portion 11 is disposed on one side of the base 10 located on the extension axis of the LED light bar 100, the first pressing cover 20 and the second pressing cover 30 are pivotally connected to the connecting portion 11, the rotation directions of the first pressing cover 20 and the second pressing cover 30 are the same, a hook 23 is disposed on the other side of the first pressing cover 20 and the second pressing cover 30 opposite to the side where the pivot is disposed, a fastening position 13 is disposed on a corresponding side of the base 10, and when the first pressing cover 20 and the second pressing cover 30 are respectively fastened on the base 10, the hook 23 is fastened on the fastening position 13. Compared with the LED light bar connector provided in the previous embodiment, except for the above differences, the LED light bar connector provided in this embodiment has the same structure, and is not described herein again.

According to another aspect of the present invention, an LED lamp (not shown) is provided. Specifically, the LED lamp includes at least two LED light bars 100 and a plurality of LED light bar connectors as described above, and the abutting ends of two adjacent LED light bars 100 are connected by the LED light bar connectors as described above. In the same light bar obtained by splicing and extending, it is calculated that the number of the LED light bars 100 is n, the number of the LED light bar connectors is m, and then m is n-1, n is greater than or equal to 1, and n is an integer.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An LED light bar connector comprising:

a base (10);

a first gland (20) and a second gland (30), one side of the first gland (20) and one side of the second gland (30) being rotatably connected to the base (10);

the end parts of the two LED lamp strips (100) are electrically connected through the connecting sheet (40), and the middle part of the connecting sheet (40) is connected to the middle part of the base (10);

it is characterized in that the preparation method is characterized in that,

be equipped with on base (10) and be used for bearing two respectively crooked loading face (12) of LED lamp strip (100) tip, connection piece (40) both ends are all crooked and crooked direction with the crooked direction of loading face (12) is the same, works as first gland (20) with second gland (30) lock is in when on base (10), first gland (20) with second gland (30) support respectively and prop up connection piece (40) both ends will be corresponding LED lamp strip (100) tip compress tightly in corresponding loading face (12).

2. The LED light bar connector of claim 1, wherein a cross-sectional contour of the bearing surface (12) along a direction of elongation of the LED light bar (100) is an arc.

3. The LED light bar connector of claim 1, wherein the bearing surface (12) is a groove bottom surface of a rectangular groove.

4. The LED light bar connector according to claim 2 or 3, wherein the first pressing cover (20) and the second pressing cover (30) are provided with a window for observing the end of the LED light bar (100) at a position corresponding to the end of the LED light bar (100), and a pressing protrusion (21) for pressing against the connecting piece (40) is arranged on one side of the first pressing cover (20) and the second pressing cover (30) facing the base (10).

5. The LED light bar connector as claimed in claim 4, wherein each of the first pressing cover (20) and the second pressing cover (30) is provided with a positioning post (22) corresponding to a through hole on the end of the LED light bar (100), and the base (10) is provided with a fitting groove corresponding to the positioning post (22).

6. The LED lamp strip connector as claimed in claim 5, wherein the middle of the base (10) is provided with a connecting portion (11), the first pressing cover (20) and the second pressing cover (30) are pivotally connected to the connecting portion (11), the first pressing cover (20) and the second pressing cover (30) have opposite rotation directions, two opposite sides of the first pressing cover (20) and the second pressing cover (30) which are located on the extension axis of the LED lamp strip (100) are provided with fastening hooks (23), two corresponding sides of the base (10) are provided with fastening positions (13), and when the first pressing cover (20) and the second pressing cover (30) are respectively fastened on the base (10), the fastening hooks (23) are fastened on the fastening positions (13).

7. The LED light bar connector according to claim 6, wherein a separation handle (24) is arranged corresponding to each buckling hook (23), and the separation handle (24) drives the buckling hook (23) to separate from the buckling position (13).

8. The LED lamp strip connector as claimed in claim 5, wherein a connecting portion (11) is disposed on one side of the base (10) located on the extension axis of the LED lamp strip (100), the first gland (20) and the second gland (30) are pivotally connected to the connecting portion (11), the first gland (20) and the second gland (30) rotate in the same direction, a hook (23) is disposed on the other side of the first gland (20) and the second gland (30) opposite to the side where the pivot is disposed, a fastening position (13) is disposed on the corresponding side of the base (10), and when the first gland (20) and the second gland (30) are fastened to the base (10) respectively, the hook (23) is fastened to the fastening position (13).

9. The LED light bar connector according to claim 1, wherein a receptacle (14) is opened in a middle portion of the base (10), and a pin (41) is provided in a middle portion of the connection piece (40), the pin (41) being inserted into the receptacle (14).

10. An LED luminaire, characterized in that it comprises at least two LED light bars (100) and several LED light bar connectors according to any one of claims 1 to 9, the abutting ends of two adjacent LED light bars (100) being connected by means of said LED light bar connectors.