CN111350979A - A light source replacement downlight - Google Patents

Abstract

The invention relates to the technical field of lamps, in particular to a down lamp with a replaceable light source, which comprises a light source component, wherein the light source component comprises: the lamp body is internally provided with a light-emitting unit; one end of the wire is connected with the light-emitting unit in the lamp body; the lamp body is in a roughly conical shape, and the surface ring is fixedly connected to the circumferential direction of the conical bottom through a first connecting structure; and the lamp cylinder is fixed with the surface ring through a second connecting structure. The technical scheme of the invention has the beneficial effects that: the first connecting structure is used for screwing and fixing the conical bottom of the surface ring and the lamp body, so that the surface ring and the lamp body can be detached, when the service life of the light source is over, the light source can be replaced, the surface ring can be used permanently, and the resource waste is saved.

Description

A light source replacement downlight

technical field

The invention relates to the technical field of lamps, in particular to a downlight with a light source replacement.

Background technique

As a common lighting device, downlights are widely used in offices, halls, shopping malls and other occasions. Downlights are downlighting lamps embedded in the ceiling.

The downlight is mainly composed of a light source and a lamp tube. It is mainly designed for incremental lighting in the initial installation market. The downlights in the prior art are generally integrated, and most of them cannot directly replace the vertical and horizontal plane of the axis of the lamp holder. If the light source in the downlight is terminated, the entire downlight needs to be replaced, which not only causes a waste of resources, but also brings inconvenience to the user. In addition, the length of the wires in the traditional downlight is fixed corresponding to one type of lamp, that is, the same light source cannot be applied to multiple types of lamps, which makes it inconvenient for users to adjust the height of the light source in the downlight. Therefore, in view of the above-mentioned problems such as the inability to replace the light source and the inability of one light source to be applied to various types of lamps, it has become a difficult problem to be solved by those skilled in the art.

SUMMARY OF THE INVENTION

In view of the above problems existing in the prior art, a downlight with a light source replacement is now provided.

The specific technical solution is as follows: including a light source assembly, and the light source assembly includes:

a lamp body, the lamp body is provided with a light-emitting unit;

a wire, one end of the wire is connected to the light-emitting unit in the lamp body;

a face ring, the lamp body is roughly conical, and the face ring is fixedly connected to the circumference of the conical bottom through a first connecting structure;

A lamp can be fixed with the face ring through a second connection structure.

Preferably, the light source assembly further includes a lamp cap, the lamp cap includes a storage container, the other end of the wire is connected to the lamp cap, and the wire is retractably stored in the storage container.

Preferably, the lamp cap includes a mains connection interface, and the mains connection interface passes through the top of the lamp canister and is fixed from the inside of the lamp canister.

Preferably, the mains connection interface is a screw.

Preferably, the first connection structure includes threads respectively arranged in the circumferential direction of the tapered bottom and the inner circumferential direction of the face ring, and the face ring is fixedly connected with the tapered bottom circumferentially through the threads ;or

The first connection structure includes radial tenons evenly distributed in the circumferential direction of the tapered bottom, and a snap groove corresponding to the tenon on the inner circumference of the face ring, and the face ring passes through the snap groove It is fixedly connected with the radial tenon in the circumferential direction of the tapered bottom.

Preferably, the second connecting structure includes at least two connecting seats disposed on the face ring, and hanging spring clips respectively connected to the at least two connecting seats correspondingly.

Preferably, the hanging spring clip is detachably connected to the corresponding connecting seat.

Preferably, the light-emitting unit includes,

a power supply circuit, the input end of the power supply circuit is connected to the wire, and is used to convert the commercial power connected to the wire into direct current;

a drive circuit, the input end of the drive circuit is connected to the output end of the power supply circuit for outputting a drive current according to the direct current;

The light-emitting device is connected to the output end of the driving circuit, and is used for emitting light according to the driving current.

Preferably, the light-emitting device is at least one LED lamp bead; or

The light-emitting device is at least one LED light bar; or

The light-emitting device is at least one LED light panel.

Preferably, the storage container comprises,

a bobbin, the middle of the wire is wound on the bobbin in a predetermined rotation direction;

an elastic element connected to the reel for generating an elastic force for preventing the reel from rotating against the predetermined rotation direction;

a ratchet, concentrically and fixedly connected with the bobbin;

a ratchet tooth, adapted to the ratchet wheel, to block the ratchet wheel from rotating in the predetermined rotation direction;

A ratchet release button is used to operably lift the ratchet when the ratchet catches the ratchet.

The beneficial effect of the technical solution of the present invention is that: the face ring and the conical bottom of the lamp body are screwed and fixed by the first connection structure, so that the face ring and the lamp body can be disassembled. When the life of the light source ends, the light source can be replaced, while the The face ring can be used permanently, saving waste of resources.

Description of drawings

Embodiments of the present invention are described more fully with reference to the accompanying drawings. However, the accompanying drawings are for illustration and illustration only, and are not intended to limit the scope of the present invention.

1 is a schematic structural diagram of a downlight according to an embodiment of the present invention;

2 is a schematic diagram of an electrical connection of a light source assembly according to an embodiment of the present invention;

3 is a schematic diagram of the connection between the face ring and the second connection structure according to the embodiment of the present invention;

4 is a schematic diagram of a detachable connection between the face ring and the second connection structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of the electrical connection of another light source assembly according to an embodiment of the present invention.

The above-mentioned figure description symbols indicate the following:

Light source assembly 1; lamp holder 10; lamp body 11; wire 12; face ring 2; first connection structure 3; lamp holder 4; buckle structure 40; second connection structure 5; Terminal 6; Insertion slot 7.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

The present invention will be further described below with reference to the accompanying drawings and specific embodiments, but it is not intended to limit the present invention.

The present invention provides a light source replacement downlight, which includes a light source assembly 1, and the light source assembly 1 includes:

A lamp body 11 is provided with a light-emitting unit (not shown in the figure).

A lead 12, one end of the lead 12 is connected to the light-emitting unit (not shown in the figure) in the lamp body 1, and can be retractably stored in a storage container (not shown in the figure);

A face ring 2, the lamp body 11 is roughly conical, and the face ring 2 is fixedly connected to the circumference of the conical bottom through a first connecting structure 3;

A lamp holder 4 is fixed to the face ring 2 through a second connecting structure 5 .

As shown in FIG. 1 , the light source assembly 1 includes a lamp body 11 , a wire 12 , a face ring 2 and a lamp tube 4 . In this embodiment, the inner circumference of the face ring 2 passes through the first connecting structure 3 and the tapered bottom of the lamp body 11 . Circumferentially tightening to prevent the separation of the face ring 2 and the lamp body 11, the lamp body 11 and the face ring 2 are formed into a detachable state, when the lamp body 11 is damaged, there is no need to replace the entire downlight, only the parts of the lamp body 11 need to be replaced, The dihedral ring 2 can be permanently reserved to reduce waste of resources.

Further, inside the lamp tube 4 is a cavity. After the downlight in the present invention is completely assembled, the above-mentioned light source assembly 1 is completely accommodated in the cavity. In the present embodiment, at least four snap structures 40 are evenly arranged on the inner wall of the lamp canister 4 . During the installation process, the second connection structure 5 and the hook structure 40 can be snap-fastened to fasten the lamp canister 4 . Fixed connection with face ring 2.

In a preferred embodiment, the light source assembly 1 further includes a lamp cap 10, the lamp cap 10 includes a storage container (not shown in the figure), the other end of the wire 12 is connected to the lamp cap 10, and the wire 12 is retractably stored in a storage container (not shown).

1 and 2, in this embodiment, the lamp head 10 includes a storage container (not shown in the figure), and the storage container (not shown in the figure) is used to store the wire 12, and the wire 12 can be stretched and shortened so as to facilitate The user can adjust the distance between the lamp body 11 and the lamp cap 10 through the wire 12 as required.

In addition, it should be noted that the length of the wire 12 is sufficient for the user to adjust the distance between the lamp body 11 and the lamp cap 10 as required.

In a preferred embodiment, the lamp holder 10 includes a mains connection interface (not shown in the figure), and the mains connection interface is passed through the top of the lamp canister 4 and fixed in the lamp canister 4 . The top of the lamp holder 10 in this embodiment is provided with a mains connection interface (not shown in the figure), and the mains connection interface (not shown in the figure) is an E26\E27 screw socket for electrical connection to the mains. It should be noted that the mains connection interface (not shown in the figure) is in the prior art and will not be described in detail here.

In a preferred embodiment, the first connection structure 3 includes threads respectively arranged in the circumferential direction of the tapered bottom and the inner circumferential direction of the face ring 2, and the face ring 2 is fixedly connected with the circumferential direction of the tapered bottom through the threads; or

The first connection structure 3 includes radial tenons evenly distributed in the circumferential direction of the tapered bottom, and a groove corresponding to the tenon in the inner circumference of the face ring 2. The tenon snaps to fix the connection.

With reference to FIGS. 2 and 3 , the first connection structure 3 in this embodiment can be designed in two structural ways. One structural method is to set threads at the inner circumference of the face ring 2, and the tapered bottom of the lamp body 11 is circumferentially provided with threads corresponding to the threads at the inner circumference of the face ring 2. The inner circumference of the ring 2 matches the circumference of the conical bottom and rotates until the inner circumference of the face ring 2 is tightened with the circumference of the conical bottom.

Another structural method is to set a radial tenon on the bottom of the cone, and the inner circumference of the face ring 2 corresponds to the groove of the tenon. Fasten the lamp body 11 and the face ring 2 . Of course, the first connection structure 3 between the inner circumference of the face ring 2 and the circumference of the tapered bottom can also be designed in other structural modes. The two structural modes in this embodiment are only used to illustrate the feasibility, and should not be used in this way. The protection scope of the present invention is limited.

In a preferred embodiment, the second connection structure 5 includes at least two connection bases 50 disposed on the face ring 2 , and hanging spring clips 51 respectively connected to the at least two connection bases 50 .

The second connection structure 5 in this embodiment includes at least two connection bases 50 and at least two hanging spring clips 51. The hanging spring clips 51 are detachably connected to the corresponding connection bases 50. As shown in FIG. 4, each Each of the hanging spring clips 51 is V-shaped, and the two ends of the V-shaped are hooked to the buckle structures 40 on the inner wall of the middle lamp tube 4 to connect the face ring 2 to the lamp tube 4 .

In a preferred embodiment, the light-emitting unit includes,

The power supply circuit, the input end of the power supply circuit is connected to the wire 12, which is used to convert the mains connected to the wire into direct current;

a drive circuit, the input end of the drive circuit is connected to the output end of the power supply circuit to output the drive current according to the direct current;

The light-emitting device is connected to the output end of the driving circuit and is used for emitting light according to the driving current.

In this embodiment, a light-emitting unit composed of a power supply circuit, a driving circuit and a light-emitting device is installed in the lamp body 11, wherein the light-emitting device is at least one LED lamp bead or the light-emitting device is at least one LED lamp board or the light-emitting device is at least one LED The light bar, when the wire 12 is powered on, can drive the LED light bead or the LED light board or the LED light bar to emit light through the driving circuit.

In a preferred embodiment, the storage container includes,

A winding reel, the middle of the wire 12 is wound on the winding reel in a predetermined rotation direction;

an elastic element, connected with the winding reel, to generate an elastic force for blocking the rotation of the winding reel against the predetermined rotation direction;

a ratchet, concentrically and fixedly connected to the spool;

a ratchet tooth, adapted to the ratchet wheel, to prevent the ratchet wheel from rotating in a predetermined rotation direction;

A ratchet release button for operable lifting of the ratchet when the ratchet is caught in the ratchet.

The above elastic element can be a spiral spring or a rubber band. When the wire 12 needs to extend out of the storage container, as long as the pulling force is applied to overcome the elastic force generated by the elastic element, the winding reel is rotated in the opposite direction, so that the wire wound on the winding reel is released 12 times, so that the lamp body 11 and the lamp body 11 can be adjusted. The distance between the lamp caps 10. When the required distance is adjusted, the wire 12 can be released. At this time, the ratchet is stuck on the ratchet, so that the ratchet cannot rotate, so that the spool can not rotate, so the wire 12 can be extended to a fixed length that is easy to store. If you need to adjust again, you can press the ratchet release button to lift the ratchet, the resistance of the ratchet to rotate disappears, and the winding reel rotates in a predetermined direction under the action of the elastic element, so that the wire 12 is more wound around on the spool, thereby reducing the length of the wire 12 extending out of the storage container.

As a preferred embodiment, the ratchet release button can be provided with an operation end exposed on the surface of the lamp holder 10, which is convenient for the user to operate.

In a preferred embodiment, the light source assembly 1 includes:

A connection terminal 6, one end of the connection terminal 6 is passed through the top of the lamp holder 4 in the lamp holder 4 and fixed;

An insertion slot 7 is arranged on the top surface of the lamp body 11 , and the other end of the connection terminal 6 is inserted into the insertion slot 7 correspondingly.

As shown in FIG. 5 , this embodiment also includes another electrical connection method. The above-mentioned lamp holder 10 and the wire 12 are replaced by inserting the connecting terminal 6 in the insertion slot 7 , and the other end of the connecting terminal 6 is correspondingly inserted. In the insertion slot 7, the power connection can be completed, which can improve the installation efficiency.

The beneficial effect of the technical solution of the present invention is that: the face ring and the conical bottom of the lamp body are screwed and fixed by the first connection structure, so that the face ring and the lamp body can be disassembled. When the life of the light source ends, the light source can be replaced, while the The face ring can be used permanently, saving waste of resources.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the embodiments and protection scope of the present invention. For those skilled in the art, they should be able to realize that all equivalents made by using the description and illustrations of the present invention The solutions obtained by substitutions and obvious changes shall all be included in the protection scope of the present invention.

Claims (10)

1. A downlight with a light source replacement, characterized in that it comprises a light source assembly, the light source assembly comprising: a lamp body, the lamp body is provided with a light-emitting unit; a wire, one end of the wire is connected to the light-emitting unit in the lamp body; a face ring, the lamp body is roughly conical, and the face ring is fixedly connected to the circumference of the conical bottom through a first connecting structure; A lamp can be fixed with the face ring through a second connection structure. 2 . The light source replacement downlight according to claim 1 , wherein the light source assembly further comprises a lamp cap, the lamp cap comprises a storage container, and the other end of the wire is connected to the lamp cap. 3 . , and the wire is retractably stored in the storage container. 3 . The downlight with light source replacement according to claim 1 , wherein the lamp cap comprises a mains connection interface, and the mains connection interface passes through the top of the lamp holder from the inside of the lamp holder. 4 . and fixed. 4 . The light source replacement downlight according to claim 1 , wherein the mains connection interface is a screw. 5 . 5 . The downlight with light source replacement according to claim 1 , wherein the first connection structure comprises threads respectively arranged in the circumferential direction of the tapered bottom and the inner circumferential direction of the face ring, 6 . The face ring is circumferentially fixedly connected to the tapered bottom by the thread; or The first connection structure includes radial tenons evenly distributed in the circumferential direction of the tapered bottom, and a snap groove corresponding to the tenon in the inner circumference of the face ring, and the face ring passes through the snap groove It is fixedly connected with the radial tenon in the circumferential direction of the tapered bottom. 6 . The downlight with light source replacement according to claim 1 , wherein the second connection structure comprises at least two connection bases disposed on the face ring, and correspondingly connected to the Mounted spring clips in at least two connection sockets. 7 . The light source replacement downlight according to claim 6 , wherein the hanging spring clip is detachably connected to the corresponding connecting seat. 8 . 8. The downlight with light source replacement according to claim 1, wherein the light-emitting unit comprises: a power supply circuit, the input end of the power supply circuit is connected to the wire, and is used to convert the commercial power connected to the wire into direct current; a drive circuit, the input end of the drive circuit is connected to the output end of the power supply circuit for outputting a drive current according to the direct current; The light-emitting device is connected to the output end of the driving circuit, and is used for emitting light according to the driving current. 9 . The light source replacement downlight according to claim 8 , wherein the light-emitting device is at least one LED lamp bead; or The light-emitting device is at least one LED light bar; or The light-emitting device is at least one LED light panel. 10 . The light source replacement downlight according to claim 1 , wherein the storage container comprises: 10 . a bobbin on which the middle of the wire is wound in a predetermined rotation direction; an elastic element connected to the reel for generating an elastic force for preventing the reel from rotating against the predetermined rotation direction; a ratchet, concentrically and fixedly connected with the bobbin; a ratchet tooth, adapted to the ratchet wheel, to block the ratchet wheel from rotating in the predetermined rotation direction; A ratchet release button is used to operably lift the ratchet when the ratchet catches the ratchet.

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