CN210345049U

CN210345049U - LED lamp with replaceable light source module

Info

Publication number: CN210345049U
Application number: CN201920961845.5U
Authority: CN
Inventors: 郭昆
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-31
Filing date: 2019-06-24
Publication date: 2020-04-17
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a LED lamp with a replaceable light source module, which comprises a heat dissipation base and a light source module; the heat dissipation base comprises a heat radiator and a connecting seat which is fixedly arranged on the heat radiator and is detachably connected with the light source module, and the connecting seat comprises a conductive spring connected with a power supply; the light source module comprises a chip fixing base, a telescopic spring, a fixing cover, an optical lens and an optical lens fixing cover which are sequentially arranged from bottom to top; the light source module also comprises an LED chip which is arranged on the chip fixing base by utilizing a screw conductive terminal and a heat-conducting silica gel sheet which is pasted at the bottom of the LED chip, wherein the LED chip is positioned below the optical lens, and the screw conductive terminal is electrically connected with the LED chip; when the connecting seat is connected with the light source module, the conductive spring is contacted with the screw conductive terminal. The utility model has the advantages of simple and reasonable structure, bad falling when the LED light source, and when needing to be changed the LED light source, only need with light source module dismantle on the heat dissipation base get off, it can to change a new light source module again.

Description

LED lamp with replaceable light source module

Technical Field

The utility model relates to the technical field of lighting fixtures, specifically relate to a removable light source module's LED lamps and lanterns.

Background

At present, the LED is widely applied to daily life of people, the LED is a solid semiconductor device which can convert electric energy into visible light and can directly convert electricity into light, and the LED lamp is widely applied as a lamp source due to the advantages of low energy consumption and long service life.

The most vulnerable of LED fixtures in general is the LED light source. Theoretically, the service life of a common LED light source can reach tens of thousands of hours, but the LED lamp can release a large amount of heat in the use process, when the temperature in the lamp is too high, the service life of the LED light source is shortened, and the LED light source can be damaged finally. When the LED lamp needs to be replaced, the traditional LED lamp cannot be replaced conveniently, and the LED lamp can only be discarded together with other lamp parts such as the lens, the radiator, the heat-conducting silica gel sheet and the power output terminal kit, so that the waste of resources is caused. In summary, the structural principle and the assembling method of the novel LED light source lamp product are provided, so that the whole lamp does not need to be abandoned, and a user can easily replace the light source module on the lamp, which is a technical problem that needs to be solved at present.

SUMMERY OF THE UTILITY MODEL

To the problem that prior art exists above, the utility model aims at providing a removable light source module's LED lamps and lanterns, its simple structure is reasonable, can change light source module alone.

In order to realize the purpose, the technical scheme of the utility model is that: an LED lamp with a replaceable light source module comprises a heat dissipation base and the light source module; the heat dissipation base comprises a heat radiator and a connecting seat which is fixedly arranged on the heat radiator and is detachably connected with the light source module, and the connecting seat comprises a conductive spring connected with a power supply; the light source module comprises a chip fixing base, a telescopic spring, a fixing cover, an optical lens and an optical lens fixing cover which are sequentially arranged from bottom to top; the light source module also comprises an LED chip which is arranged on the chip fixing base by utilizing a screw conductive terminal and a heat-conducting silica gel sheet which is pasted at the bottom of the LED chip, the LED chip is positioned below the optical lens, and the screw conductive terminal is electrically connected with the LED chip; when the connecting seat is connected with the light source module, the conductive spring is contacted with the screw conductive terminal.

For the additional structure of the above technical scheme, the following scheme is also included:

as a specific embodiment, the light source module further comprises a conductive copper sheet, and the conductive copper sheet is fixedly arranged on the chip fixing base through the screw conductive terminals; and the LED chip is provided with a connecting end connected with the conductive copper sheet.

As a specific embodiment, a boss protrudes from the middle position of the heat sink, the middle of the connecting seat is a hollow part, and the connecting seat is sleeved on the boss by using the hollow part and is fixedly connected with the heat sink; when the connecting seat is connected with the light source module, the heat conduction silica gel sheet is contacted with the boss.

As a specific embodiment, the connecting seat further comprises a fixed snap ring and a snap ring base which are mutually buckled, the conductive spring is clamped between the fixed snap ring and the snap ring base, and the fixed snap ring and the snap ring base are fixed on the radiator through screws.

Furthermore, the bottom surface of the fixed snap ring is provided with a middle part and an edge part higher than the middle part, the middle part is provided with an installation position for placing the conductive spring, and the top surface of the fixed snap ring is provided with a conductive through hole communicated with the conductive spring; the clamping ring base is clamped on the middle part; when the connecting seat is connected with the light source module, one end of the screw conductive terminal penetrates through the conductive through hole to be contacted with the conductive spring.

Furthermore, an annular first protruding strip protrudes from the peripheral edge of the top surface of the chip fixing base, an annular second protruding strip protrudes from the middle of the first protruding strip, an insertion groove is formed between the first protruding strip and the second protruding strip, and a mounting hole for mounting the LED chip is formed in the middle of the second protruding strip; the bottom of the fixed cover is provided with an annular clamping groove; the telescopic spring is embedded into the clamping groove, the bottom of the telescopic spring props against the first protruding strip, and the bottom of the optical lens fixing cover is inserted into the insertion groove and is in threaded connection with the second fixing strip; the chip fixing base is detachably connected with the fixing clamp ring.

Furthermore, a plurality of spiral clamping convex strips with racks are arranged on the peripheral side wall of the fixed clamping ring; a plurality of buckles matched with the clamping convex strips are arranged on the inner side wall of the bottom of the fixed cover; the light source module and the connecting seat are connected through the matching of the clamping convex strips and the buckles.

As a specific example, the conductive spring is a Z-shaped spring.

The utility model has the advantages that:

the utility model has the advantages of simple and reasonable structure, bad falling when the LED light source, and when needing to be changed the LED light source, only need with light source module dismantlement on the heat dissipation base get off, again change a new light source module can, the change process is simple and convenient.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the top and bottom surfaces of the retaining snap ring of the present invention;

fig. 4 is a schematic structural view of the fixed snap ring of the present invention after being fastened to the snap ring base;

fig. 5 is a schematic structural view of the chip fixing base of the present invention;

fig. 6 is a schematic structural view of the fixing cover of the present invention.

Reference numerals:

1. a heat sink; 2. a connecting seat; 21. a conductive spring; 22. fixing the snap ring; 221. an intermediate portion; 222. An edge portion; 223. an installation position; 224. a conductive via; 225. clamping convex strips; 23. a snap ring base; 3. a chip fixing base; 31. a first raised strip; 32. a second raised strip; 33. inserting the groove; 34. mounting holes; 4. a tension spring; 5. a fixed cover; 51. a clamping groove; 52. buckling; 511. a projection; 6. an optical lens; 7. an optical lens fixing cover; 8. a screw conductive terminal; 81. perforating; 9. an LED chip; 10. A heat-conducting silica gel sheet; 11. a conductive copper sheet; 111. a boss; and a wire 100.

Detailed Description

The invention will be further elucidated with reference to the drawings and the embodiments, which are exemplary only and do not limit the scope of the invention.

As shown in fig. 1-6, an LED lamp with a replaceable light source module includes a heat dissipation base and a light source module; the heat dissipation base comprises a heat sink 1 and a connecting seat 2 which is fixedly arranged on the heat sink 1 and is detachably connected with the light source module, and the connecting seat 2 comprises a conductive spring 21 connected with a power supply; the light source module comprises a chip fixing base 3, a telescopic spring 4, a fixing cover 5, an optical lens 6 and an optical lens fixing cover 7 which are sequentially arranged from bottom to top; the light source module also comprises an LED chip 9 which is arranged on the chip fixing base 3 by using a screw conductive terminal 8 and a heat-conducting silica gel sheet 10 which is pasted at the bottom of the LED chip 9, wherein the LED chip 9 is positioned below the optical lens 6, and the screw conductive terminal 8 is in point connection with the LED chip 9; when the connecting socket 2 is connected with the light source module, the conductive spring 21 contacts with the screw conductive terminal 8. Preferably, the conductive spring 21 is a Z-shaped spring; two conductive springs 21 are provided; two screw conductive terminals 8 are provided. In use, after the wire 100 connected to the power source is disposed in the heat sink 1, the wire 100 passes through the snap ring base 23 through the through hole disposed on the snap ring base 23 to connect to the conductive spring 21, so that the wire 100 is electrically connected to the conductive spring 21, and since the conductive spring 21 is in contact with the screw conductive terminal 8, the conductive spring 21 is electrically connected to the screw conductive terminal 8, and then the screw conductive terminal 8 transmits the power source to the LED chip 9.

The light source module further comprises a conductive copper sheet 11, the conductive copper sheet 11 is fixedly arranged on the chip fixing base 3 through a screw conductive terminal 8, and a connecting end connected with the conductive copper sheet 11 is arranged on the LED chip 9. Preferably, two conductive copper sheets 11 are arranged, the two conductive copper sheets 11 are respectively sleeved on the two screw conductive terminals 8, and the two conductive copper sheets 11 are respectively connected with the LED chip 9. The conductive copper sheets 11 are used to transfer dots into the LED chip 9.

As shown in fig. 2, a boss 111 protrudes from the middle of the heat sink 1, the middle of the connecting seat 2 is a hollow portion, and the connecting seat 2 is sleeved on the boss 111 by using the hollow portion and is fixedly connected with the heat sink 1; when the connecting seat 2 is connected with the light source module, the boss 111 of the heat-conducting silica gel sheet 10 is contacted, so that the heat dissipation of the LED chip 9 is accelerated.

As shown in fig. 2-4, preferably, the connection socket 2 further includes a fixing snap ring 22 and a snap ring base 23 that are fastened to each other, the conductive spring is clamped between the fixing snap ring 22 and the snap ring base 23, and the fixing snap ring 22 and the snap ring base 23 are fixed on the heat sink 1 by screws. Specifically, the bottom surface of the fixed snap ring 22 is provided with a middle part 221 and a middle part 222 which are higher than the middle part, the middle part 221 is provided with an installation position 223 for placing the conductive spring 21, the top surface of the fixed snap ring 22 is provided with two conductive through holes 224 communicated with the conductive spring 21; the snap ring base 23 is snapped on the middle part 221; when the connector holder 2 is connected to the light source module, one end of the screw conductive terminal 8 passes through the conductive through hole 224 to contact the conductive spring 21, so that the conductive spring 21 and the screw conductive terminal 8 are energized. Specifically, there are various fastening methods of the fixed snap ring 22 and the snap ring base 23, and in the present embodiment, the snap ring base 23 can be fastened to the intermediate portion 221 by setting the inner diameter of the edge portion 222 to be slightly smaller than the outer diameter of the snap ring base 23.

As shown in fig. 2, 5 and 6, a first annular protruding strip 31 protrudes from the periphery of the top surface of the chip fixing base 3, a second annular protruding strip 32 protrudes from the middle of the first protruding strip 31, an insertion groove 33 is formed between the first protruding strip 31 and the second protruding strip 32, and a mounting hole 34 for mounting the LED chip 9 is formed in the middle of the second protruding strip 32; the bottom of the fixed cover 5 is provided with an annular clamping groove 51; the telescopic spring 4 is embedded into the detent groove 51, the bottom of the telescopic spring 4 is abutted against the first protruding strip 32, the bottom of the optical lens fixing cover 7 is inserted into the insertion groove 33 and is in threaded connection with the second fixing strip 32, and preferably, a protrusion 511 for blocking the optical lens fixing cover 7 from passing through the fixing cover 5 is provided on the inner part of the fixing cover 51; the chip fixing seat 3 is detachably connected with the fixing card 22. Specifically, a plurality of spiral clamping convex strips 225 with racks are arranged on the peripheral side wall of the fixed snap ring 22; a plurality of buckles 52 matched with the clamping convex strips 225 are arranged on the inner side wall of the bottom of the fixed cover 5; the light source module is connected with the connecting base 2 by the engagement of the plurality of locking protrusions 225 and the plurality of fasteners 52. In the present embodiment, each of the locking protrusions 225 and the bayonet 51 is provided with 4 pieces.

The following introduces the installation steps of the present invention in order to understand the present invention:

when assembling the heat sink base, the conductive spring 21 connected with the electric wire 100 is placed in the mounting position 223, then the fixing snap ring 22 is fastened with the snap ring base 23, and then the connecting seat 2 is sleeved on the boss 111 and then fixed on the heat sink 1 by screws.

When the light source module is assembled, the heat-conducting silicon sheet 10 and the LED chip 9 are well adhered and then placed in the mounting hole 34, then the two conductive copper sheets 11 are respectively sleeved on the two screw conductive terminals 8, and then the two screw conductive terminals 8 penetrate through the chip fixing base 3 through the through holes 81 to well fix the two sides of the LED chip 9, so that the LED chip 9 is fixed on the chip fixing base 3; then, the retractable spring 4 is inserted into the detent groove 51, the chip fixing base 3 is mounted in the fixing cover 5 and positioned below the retractable spring 4, at this time, the first protruding strip 31 is inserted into the detent groove 51 and abuts against the bottom of the retractable spring 4, then, the optical lens 6 is covered on the LED chip 9, and then, the bottom of the fixing cover 5 is inserted into the insertion groove 33 and is in threaded connection with the second fixing strip 32, so that the optical lens 6 is pressed by the optical lens fixing cover 7 and the chip fixing base 3 is fixed.

When the light source module and the heat dissipation base are assembled, the light source module is pressed downwards against the connecting seat 2, so that the surfaces of the two screw conductive terminals 8 fixing the snap rings 22 are contacted, the chip fixing base 3 moves upwards under the action of pressure due to the expansion springs 4, then the four buckles 52 are correspondingly clamped between the four clamping convex strips 225 respectively, then the light source module is rotated, the lower horizontal end of the right clamping convex strip 225 of the buckle 52 moves to the higher horizontal end, because the four clamping convex strips 225 are spiral and are provided with racks, the four buckles 52 are slowly buckled with the four clamping convex strips 225 along with the rotation of the light source module, when the two screw conductive terminals 8 move to the positions of the two conductive through holes 224 respectively, the expansion springs 4 are not stressed to extend, so that the two screw conductive terminals 8 are respectively inserted into the two conductive through holes 224 and are respectively contacted with the two conductive springs 21, therefore, the power-on of the light source module and the buckling of the heat dissipation base and the light source module are realized. Similarly, when the light source module is disassembled, the two screw conductive terminals 8 are separated from the two conductive through holes 224 only by pulling the optical lens fixing cover 7 upwards, and then the four buckles 52 and the four clamping convex strips 225 can be separated by reversely rotating the light source module, and then the light source module can be taken away, so that the process is simple and convenient.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. The utility model provides a removable light source module's LED lamps and lanterns, includes heat dissipation base and light source module, its characterized in that:

the heat dissipation base comprises a heat radiator and a connecting seat which is fixedly arranged on the heat radiator and is detachably connected with the light source module, and the connecting seat comprises a conductive spring connected with a power supply; the light source module comprises a chip fixing base, a telescopic spring, a fixing cover, an optical lens and an optical lens fixing cover which are sequentially arranged from bottom to top; the light source module also comprises an LED chip which is arranged on the chip fixing base by utilizing a screw conductive terminal and a heat-conducting silica gel sheet which is pasted at the bottom of the LED chip, the LED chip is positioned below the optical lens, and the screw conductive terminal is electrically connected with the LED chip; when the connecting seat is connected with the light source module, the conductive spring is contacted with the screw conductive terminal.

2. The LED light fixture with replaceable light source module of claim 1, wherein:

the light source module also comprises a conductive copper sheet which is fixedly arranged on the chip fixing base through the screw conductive terminals; and the LED chip is provided with a connecting end connected with the conductive copper sheet.

3. The LED light fixture with replaceable light source module of claim 1, wherein:

a boss protrudes from the middle position of the radiator, the middle of the connecting seat is a hollow part, and the connecting seat is sleeved on the boss by utilizing the hollow part and is fixedly connected with the radiator; when the connecting seat is connected with the light source module, the heat conduction silica gel sheet is contacted with the boss.

4. The LED light fixture with replaceable light source module of claim 1, wherein:

the connecting seat further comprises a fixed clamping ring and a clamping ring base which are mutually buckled, the conductive spring is clamped between the fixed clamping ring and the clamping ring base, and the fixed clamping ring and the clamping ring base are fixed on the radiator through screws.

5. The LED lamp with the replaceable light source module as set forth in claim 4, wherein:

the bottom surface of the fixed snap ring is provided with a middle part and an edge part higher than the middle part, the middle part is provided with an installation position for placing the conductive spring, and the top surface of the fixed snap ring is provided with a conductive through hole communicated with the conductive spring; the clamping ring base is clamped on the middle part; when the connecting seat is connected with the light source module, one end of the screw conductive terminal penetrates through the conductive through hole to be contacted with the conductive spring.

6. The LED lamp with the replaceable light source module as set forth in claim 4, wherein:

an annular first protruding strip protrudes from the edge of the periphery of the top surface of the chip fixing base, an annular second protruding strip protrudes from the middle of the first protruding strip, an insertion groove is formed between the first protruding strip and the second protruding strip, and a mounting hole for mounting the LED chip is formed in the middle of the second protruding strip; the bottom of the fixed cover is provided with an annular clamping groove; the telescopic spring is embedded into the clamping groove, the bottom of the telescopic spring props against the first protruding strip, and the bottom of the optical lens fixing cover is inserted into the insertion groove and is in threaded connection with the second protruding strip; the chip fixing base is detachably connected with the fixing clamp ring.

7. The LED lamp with the replaceable light source module as set forth in claim 6, wherein:

a plurality of spiral clamping convex strips with racks are arranged on the peripheral side wall of the fixed clamping ring; a plurality of buckles matched with the clamping convex strips are arranged on the inner side wall of the bottom of the fixed cover; the light source module and the connecting seat are connected through the matching of the clamping convex strips and the buckles.

8. The LED light fixture with replaceable light source module of claim 1, wherein:

the conductive spring is a Z-shaped spring.