CN202125757U - LED light bulb cooling structure - Google Patents

Abstract

A heat dissipation structure of an LED bulb is characterized by at least comprising: the lamp holder is provided with an external thread so as to be bolted with the lamp holder for conducting electricity, and the lamp holder is provided with an internal thread which is bolted and combined with the external thread with a lamp holder connecting piece; the lamp holder connecting piece is provided with a cavity and is matched with the cavity of the lamp cup to arrange the controller in the cavity, and the lamp holder connecting piece is provided with a clamping component to be fixedly arranged for the lamp cup by utilizing the clamping component; the lamp cup is in a horn shape, a plurality of positioning flanges are arranged at the opening end, and the outer surface of the lamp cup is coated with heat dissipation coating; the opening ring of the lamp cup is surrounded by a heat conducting plate, and the positioning flange of the lamp cup is combined with the heat conducting plate; the heat conducting plate is provided with a positioning convex column to be combined with a positioning hole of the circuit board, and the circuit board is used for arranging the LED; the opening of the lamp cup is also provided with a lampshade, and the small ring of the lampshade is combined with the inner ring of the heat conducting plate. The utility model discloses can save a large amount of cost expenditures, more can maintain the due life of LED bulb, reduce the emission of carbon dioxide, the energy can be saved accords with green's practical value.

Description

LED light bulb cooling structure

technical field

The utility model relates to a heat dissipation structure of an LED bulb, in particular to a heat dissipation paint coated on the outer surface of a lamp cup, which can disseminate the high heat generated by the LED to the peripheral environment through the lamp cup to achieve the heat dissipation of the LED bulb. The effect of prolonging the service life of LED bulbs is innovative in the structure of LED bulbs.

Background technique

According to the known LED light bulbs, such as China Taiwan's new patent No. M402387 "LED light bulb with heat dissipation", in order to allow the LED light bulb to dissipate heat, a heat sink made of aluminum is used, and a through hole is provided in the heat sink , the aforementioned through hole is provided with several ventilating channels, and these ventilating channels are connected to the outer wall surface of one end of the cooling seat to form a ventilating slot, and the outer wall of the aforementioned cooling seat is provided with a number of cooling fins, between which cooling fins are formed. heat dissipation groove; a heat conduction plate is located on the heat dissipation seat, the heat conduction plate is made of aluminum, one end surface of the heat conduction plate is provided with a groove for the flange of the heat dissipation seat to be embedded, and the capacity of the heat conduction plate The interior wall is provided with a number of heat dissipation holes, the heat dissipation holes are ventilating channels aligned with the heat dissipation seat, and the inner wall of the chamber is provided with through grooves. That is to say, conventional LED light bulbs mainly use heat sink and heat conduction plate as heat dissipation components of LED light bulbs, but the heat sink and heat conduction plate need to be formed with aluminum first, and then the surface of heat sink and heat conduction plate is processed by processing machinery. The structure of heat sink and heat conduction plate can only be formed through detailed processing. The disadvantage is that although the heat sink and heat conduction plate formed of aluminum have the advantage of fast heat conduction, the manufacturing process is complicated and the cost is very high, which makes the price of LED bulbs relatively high. , cannot be effectively popularized to the general consumer public, resulting in no room for truly power-saving LED bulbs.

For this reason, the inventor of the present invention has accumulated many years of experience in the manufacture and design of related products, especially researching the structural shortcomings of the aforementioned conventional LED light bulbs, and created this case.

Utility model content

The purpose of this utility model is to provide a heat dissipation structure for LED light bulbs. The structure is simple to reduce manufacturing costs and is accepted by consumers. carbon emissions in the environment.

The purpose of this utility model is achieved in this way, a LED light bulb cooling structure is characterized in that it includes at least:

The lamp cap is provided with external threads, which must be fixed with the lamp holder. The aforementioned lamp cap is provided with internal threads to be combined with the external thread bolts of the lamp cap connector; the lamp cap connector is provided with a cavity, and the power module is set in it in conjunction with the cavity of the lamp cup. , the above-mentioned lamp cap connector is provided with a snap-fit assembly, so as to be fixed by using the snap-fit assembly and the lamp cup; the lamp cup is provided with several positioning flanges for fixing the heat conduction plate; the outer surface or inner surface of the aforementioned lamp cup, or The outer and inner surfaces are coated with heat-dissipating paint, so that the lamp cup can be used as the heat dissipation of the LED bulb at the same time; the heat conduction plate is set inside the lamp cup, and the side surround is set on the heat conduction plate, so that the above-mentioned side can be used The surround is combined with the positioning flange of the aforementioned lamp cup, and the aforementioned side surround is pressed against the inner surface of the aforementioned lamp cup, so as to combine and fix the heat conducting plate and the lamp cup; The above-mentioned circuit board is used to set the LED light-emitting diodes; the lampshade is arranged on the opening of the aforementioned lamp cup, and the lampshade and the lamp cup are combined with an adhesive to form a heat dissipation structure of the LED bulb.

The purpose of this utility model can also be achieved in this way, a LED light bulb heat dissipation structure is characterized in that it at least includes: a lamp cap with external threads to be fixed with the lamp holder, the aforementioned lamp cap is provided with internal threads to connect with the external threads of the lamp cap The bolt is combined; the lamp holder connector is provided with a chamber, and the power module is arranged in the lamp cup chamber. Set up a surround to fix the heat conduction plate; the outer surface, or inner surface, or outer and inner surfaces of the aforementioned lamp cup are coated with heat dissipation paint, so that the lamp cup can be used as an LED bulb to dissipate heat at the same time; the heat conduction plate , set above the setting surround of the aforementioned lamp cup, above the aforementioned heat conduction plate and set for the circuit board, and use the aforementioned circuit board to set up the LED light-emitting diode; the lampshade is arranged at the opening of the aforementioned lamp cup, and the lampshade and the lampshade are connected with an adhesive The light cups are combined into one body to form the heat dissipation structure of the LED light bulb.

The heat dissipation structure of the LED light bulb of the utility model is mainly coated with a heat dissipation paint on the outer surface of the lamp cup, so that the light cup can be used to dissipate heat for the LED light bulb, thereby reducing the manufacturing cost of the LED light bulb.

Description of drawings

Fig. 1 is a three-dimensional combined view of the utility model.

Fig. 2 is an exploded view of the first embodiment of the utility model.

Fig. 3 is a sectional view of Embodiment 1 of the utility model.

Fig. 4 is a sectional view of the second embodiment of the utility model.

Fig. 5 is a sectional view of the third embodiment of the utility model.

Fig. 6 is an exploded view of Embodiment 4 of the utility model.

Fig. 7 is a perspective view of the fifth embodiment of the utility model.

Explanation of main component symbols

Lamp holder 1,

External thread 10, internal thread 11

Lamp connector 2,

External thread 20, chamber 21, upper ring circumference 22,

The extension ring 23, the engaging component 24, and the outer ring 25.

lamp cup 3,

Inner combination ring 30, bottom end 31, positioning flange 32,

Set surround 32A, outer surface 33, inner surface 34,

Arc-shaped surface 340, chamber 35, combined surround 36,

Cooling hole 37

Heat conduction plate 4,

Side ring circumference 40, outer wall surface 400, groove 41,

Positioning boss 42, bolt setting hole 43, bolt setting component 430,

Heat conduction plate 4A

Circuit board 5, positioning hole 50, LED light-emitting diode 51

Lampshade 6, inner extension ring 60, lower extension ring 61,

Hook part 62

Power module 7,

Adhesive 8

Detailed ways

In this way, in order to enable the examiner to fully understand the structural features of the present invention, the diagrams are attached as follows:

As shown in Figures 1-3, the heat dissipation structure of the LED light bulb of the present invention is characterized in that it at least includes: a lamp cap 1, the aforementioned lamp cap 1 is provided with an external thread 10, which can be guided by bolting the external thread 10 of the lamp cap 1 to the lamp socket. Connect the power supply, set the internal thread 11 on the aforementioned lamp cap 1, and be able to utilize the internal thread 11 to be bolted and combined with the lamp cap connector 2.

The lamp cap connector 2 is provided with an external thread 20, which can be bolted and combined with the internal thread 11 of the aforementioned lamp cap 1 by using the aforementioned external thread 20. The aforementioned lamp cap connector 2 is provided with a cavity 21, and the aforementioned cavity 21 is provided with an upper ring 22 for matching The cavity 35 of the lamp cup 3 is provided with the power module therein, the aforementioned lamp cap connector 2 is provided with an extension ring 23, and several engaging components 24 are arranged above the aforementioned extending ring 23, so as to utilize the aforementioned engaging assembly 24 and the lamp cup 3 Fastened and fixed; the aforementioned lamp holder connector 2 is also provided with an outer ring 25 .

The lamp cup 3 is trumpet-shaped, and the aforementioned lamp cup 3 is provided with an inner joint ring 30, which must be fixed by using the engaging component 24 of the aforementioned lamp cap connector 2 and the inner joint ring 30 of the lamp cup 3 (as shown in Fig. 3- 5), and let the bottom end 31 of the aforementioned lamp cup abut against the outer circumference 25 of the aforementioned lamp cap connector 2, so that the lamp cup 3 and the lamp cap connector 2 can be combined firmly; the opening end of the aforementioned lamp cup 3 is provided with several The positioning flange 32 can be used to fix the heat conducting plate 4 (as shown in FIG. 3 ), or the setting ring 32A formed as shown in FIG. 5 can also be used for positioning the heat conducting plate 4; 3, the outer surface 33, or the inner surface 34, or the outer and inner surfaces 33, 34 are coated with heat-dissipating paint, so that the heat-dissipating paint coated on the lamp cup can be used to dissipate heat generated by the LED light bulb .

The aforementioned lamp cup 3 is provided with a chamber 35, so that the chamber 35 of the aforementioned lamp cup 3 can be used as the power module 7, and the lower part of the power module 7 can abut against the upper circumference 22 of the chamber 21 of the aforementioned lamp holder connector 2. , the power module 7 can be fixed in the cavity 35 of the aforementioned lamp cup 3 and the cavity 21 of the aforementioned lamp cap connector 2; The regular inner surface 34 is formed with a part of the arc-shaped surface 340. Therefore, it must be arranged and positioned for the heat conducting plate; .

The aforementioned lamp cup 3, as shown in Figure 3-6, must be a closed ring wall, or as shown in Figure 7, several cooling holes 37 may also be provided on the ring wall, and the aforementioned cooling holes 37 may be used to cooperate with the coating on the lamp cup. The heat dissipation paint further enhances the heat dissipation effect of the lamp cup 3 and ensures the service life of the LED light bulb.

The heat conduction plate 4 is arranged inside the aforementioned lamp cup, and the aforementioned heat conduction plate 4 is made of metal material, and when the heat conduction plate 4 is combined with the lamp cup 3, the heat conduction plate 4 is arranged inwardly from the opening of the lamp cup, and let The outer wall surface 400 of the side surround 40 of the heat conduction plate 4 can be abutted against part of the inner surface 34 of the aforementioned lamp cup 3, mainly by using the outer wall surface 400 of the side surround 40 of the heat conduction plate 4 to form an arc shape, and The inner surface 34 of the lamp cup 3 is also provided with a partial arc-shaped surface 340, and the trumpet-shaped opening formed by the lamp cup is used to make the outer wall surface 400 of the side surround 40 of the aforementioned heat conducting plate 4 have the same shape as the lamp cup 3. Part of the inner surface 34 of the inner surface 34 presents a fully bonded state. In addition to determining the bonding position of the heat conduction plate 4 and the lamp cup 3 so as not to continue to move downward, the heat conduction plate 4 can fully conduct the high temperature generated by the LED light-emitting diode. Lead to the lamp cup 3, so that the heat dissipation effect is more rapid and effective. And the positioning flange 32 of the aforementioned lamp cup 3 is fastened to the side surround 40 of the heat conduction plate 4 (as shown in Figures 3 and 4), so that the heat conduction plate 4 and the lamp cup 3 can be fully fixed in combination; the aforementioned heat conduction plate 4 The slot 41 is provided with a positioning boss 42 on the bottom wall of the slot, which must be combined with the positioning hole 50 of the circuit board 5, and the bottom wall of the slot of the heat conducting plate 4 is provided with a bolt setting hole 43, which must be a bolt setting assembly 430. That is to fully fix the circuit board 5 and the heat conducting plate 4 .

A circuit board 5 is arranged above the heat conducting plate 4 , and an LED light emitting diode 51 is provided by using the circuit board 5 to emit light. Alternatively, as shown in FIG. 6 , the heat conducting plate and the circuit board may be integrated to save cost by omitting some components, but the heat conducting plate 4A must be made of insulating material for the LED light-emitting diodes 51 to be disposed therein.

A lampshade 6 is set at the opening of the aforementioned lamp cup 3, and the aforementioned lampshade 6 is provided with an inner extension ring 60, and an extension ring 61 is set inside the aforementioned inner extension ring 60, as shown in Figure 3, the aforementioned inner extension ring 60 can be used And the lower extending ring 61 is used for sticking the adhesive 8, so that the lampshade 6 and the lamp cup 3 can be fixed. Or as shown in Figures 4 and 5, the hooking portion 62 is formed on the outside of the aforementioned lower extension ring 61, and the aforementioned hooking portion 62 can be combined with the joining ring 36 of the aforementioned lamp cup 3, and the lampshade and the lamp cup can also be combined into a One.

To sum up, the present invention changes the lamp cup, lampshade and heat dissipation structure. In addition to saving a lot of cost, it can also maintain the expected service life of LED bulbs, make LED bulbs more acceptable to consumers, and reduce carbon dioxide emissions. , save energy, and meet the practical value of green environmental protection.

Claims (22)

1. LED bulb heat radiation structure is characterized in that comprising at least:

Lamp holder is established external screw thread, must set firmly with lamp socket, and aforementioned lamp holder is established internal thread, combines to establish with the external screw thread bolt of lamp holder connector;

The lamp holder connector is established chamber, the chamber that cooperates Lamp cup with the power module setting wherein, aforementioned lamp holder connector is established the engaging assembly, combines to set firmly with Lamp cup to utilize the engaging assembly;

Lamp cup is established several location beads, thinks that heat-conducting plate sets firmly; The outer surface of aforementioned Lamp cup or inner surface or outer, inner surface also are coated with heat radiation coating, promptly get by this Lamp cup simultaneously as the purposes of LED bulb heat radiation; Heat-conducting plate is located at the inside of aforementioned Lamp cup, and is established side ring in heat-conducting plate and enclose, and must utilize aforementioned side ring to enclose combining with the location bead of aforementioned Lamp cup, and enclose the inner surface that is resisted against aforementioned Lamp cup with aforementioned side ring, so that heat-conducting plate is combined to set firmly with Lamp cup; Aforementioned heat-conducting plate top is the circuit board setting also, and utilizes the aforementioned circuit plate to think the setting of LED light emitting diode;

Lampshade is located at the opening of aforementioned Lamp cup, and with adhesive agent lampshade and Lamp cup is combined into one, and can form the radiator structure of LED bulb.

2. according to the described LED bulb heat radiation of claim 1 structure, the chamber that it is characterized in that the lamp holder connector is established ring and is enclosed with the chamber that cooperates Lamp cup with the power module setting wherein.

3. according to the described LED bulb heat radiation of claim 1 structure, the extended loop that the engaging assembly that it is characterized in that the lamp holder connector is located at the lamp holder connector encloses.

4. according to the described LED bulb heat radiation of claim 1 structure, it is characterized in that the lamp holder connector establishes outer shroud and enclose to combine with the bottom of Lamp cup.

5. according to the described LED bulb heat radiation of claim 1 structure; It is characterized in that combining of Lamp cup and lamp holder connector; Be that interior coupling collar with Lamp cup encloses with the assembly engaging that engages of lamp holder connector and sets firmly, and the outer shroud that lets the bottom of aforementioned Lamp cup be resisted against the lamp holder connector enclose.

6. according to the described LED bulb heat radiation of claim 1 structure; It is characterized in that the inner surface of Lamp cup and combining that the heat-conducting plate side ring encloses; It is the part surface that outside wall surface that the side ring with heat-conducting plate encloses is supported the inner surface of being located at Lamp cup; And the circular-arc surface of the formed part of inner surface of the formed circular-arc and aforementioned Lamp cup of the outside wall surface of enclosing with the side ring of heat-conducting plate presents complete bonding state; And utilize the formed horn-like opening of aforementioned Lamp cup, make aforementioned heat-conducting plate must with aforementioned Lamp cup stable bond, and restriction is provided with the position.

7. according to the described LED bulb heat radiation of claim 6 structure; It is characterized in that heat-conducting plate combines with Lamp cup; Be with heat-conducting plate from the opening of Lamp cup toward interior setting, and let heat-conducting plate support to be located at the inner surface of aforementioned Lamp cup, and enclose with the side ring that the location bead of Lamp cup is fastened in heat-conducting plate.

8. according to the described LED bulb heat radiation of claim 1 structure; The chamber that it is characterized in that Lamp cup must be the power module setting; And the ring of going up that lets power module be resisted against lamp holder connector chamber encloses, and can power module be fixedly arranged among the chamber of chamber and lamp holder connector of Lamp cup.

9. according to the described LED bulb heat radiation of claim 1 structure, it is characterized in that the ring wall of Lamp cup must or be provided with louvre for sealed shape.

10. according to the described LED bulb heat radiation of claim 1 structure; It is characterized in that combining of lampshade and Lamp cup; Be that extended loop encloses in lampshade is established; Extended loop encloses the inboard and sets extended loop and enclose in aforementioned, must utilize aforementioned in extended loop enclose and extend below the inner surface that ring encloses with adhesive agent and Lamp cup and stick together, can lampshade and Lamp cup be set firmly.

11. according to the described LED bulb heat radiation of claim 1 structure, it is characterized in that to such an extent that heat-conducting plate and circuit board are processed one, and process heat-conducting plate, think the setting of LED light emitting diode with insulating materials.

12. a LED bulb heat radiation structure is characterized in that comprising at least:

Lamp holder is established external screw thread, must set firmly with lamp socket, and aforementioned lamp holder is established internal thread, combines to establish with the external screw thread bolt of lamp holder connector;

The lamp holder connector is established chamber, the chamber that cooperates Lamp cup with the power module setting wherein, aforementioned lamp holder connector is established the engaging assembly, combines to set firmly with Lamp cup to utilize the engaging assembly;

Lamp cup, establish one be provided with the ring enclose, think that heat-conducting plate sets firmly; The outer surface of aforementioned Lamp cup or inner surface or outer, inner surface also are coated with heat radiation coating, promptly get by this Lamp cup simultaneously as the purposes of LED bulb heat radiation; Heat-conducting plate is located at being provided with of aforementioned Lamp cup and is encircled the side of placing, and aforementioned heat-conducting plate top is the circuit board setting also, and utilizes the aforementioned circuit plate to think the setting of LED light emitting diode;

Lampshade is located at the opening of aforementioned Lamp cup, and with adhesive agent lampshade and Lamp cup is combined into one, and can form the radiator structure of LED bulb.

13. according to the described LED bulb heat radiation of claim 12 structure, the chamber that it is characterized in that the lamp holder connector is established ring and is enclosed with the chamber that cooperates Lamp cup with the power module setting wherein.

14. according to the described LED bulb heat radiation of claim 12 structure, the extended loop that the engaging assembly that it is characterized in that the lamp holder connector is located at the lamp holder connector encloses.

15., it is characterized in that the lamp holder connector establishes outer shroud and enclose to combine with the bottom of Lamp cup according to the described LED bulb heat radiation of claim 12 structure.

16. according to the described LED bulb heat radiation of claim 12 structure; It is characterized in that combining of Lamp cup and lamp holder connector; Be that interior coupling collar with Lamp cup encloses with the assembly engaging that engages of lamp holder connector and sets firmly, and the outer shroud that lets the bottom of aforementioned Lamp cup be resisted against the lamp holder connector enclose.

17., it is characterized in that combining of Lamp cup and heat-conducting plate according to the described LED bulb heat radiation of claim 12 structure, must form in Lamp cup and ring is set enclose, think that heat-conducting plate is provided with the location.

18. according to the described LED bulb heat radiation of claim 12 structure, it is characterized in that combining of Lamp cup and lampshade,

Must form coupling collar in the opening part of Lamp cup and enclose, think that the ring that extends below of lampshade encloses the formed hooked part in the outside and interosculates, can lampshade and Lamp cup be combined into one.

19. according to the described LED bulb heat radiation of claim 12 structure; The chamber that it is characterized in that Lamp cup must be the power module setting; And the ring of going up that lets power module be resisted against lamp holder connector chamber encloses, and can power module be fixedly arranged among the chamber of chamber and lamp holder connector of Lamp cup.

20., it is characterized in that the ring wall of Lamp cup must or be provided with louvre for sealed shape according to the described LED bulb heat radiation of claim 12 structure.

21. according to the described LED bulb heat radiation of claim 12 structure; It is characterized in that combining of lampshade and Lamp cup; Be that extended loop encloses in lampshade is established; Extended loop encloses the inboard and sets extended loop and enclose in aforementioned, must utilize aforementioned in extended loop enclose and extend below the inner surface that ring encloses with adhesive agent and Lamp cup and stick together, can lampshade and Lamp cup be set firmly.

22. according to the described LED bulb heat radiation of claim 12 structure, it is characterized in that heat-conducting plate and circuit board process one, and process heat-conducting plate, think the setting of LED light emitting diode with insulating materials.

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