TWM491786U - LED bulb - Google Patents

Description

Light-emitting diode bulb

The present invention is a light-emitting diode bulb, especially a bulb made of a light-emitting diode strip, which can meet the demand for high-power bulbs in heat dissipation and assembly.

At present, the technology has a full-bright light bar, and the interior is mounted on the permeable carrier by using a full-bright die. After subsequent related packaging operations, the direction of light illumination is changed from single direction to 360-degree projection. Call it 4 π light. In addition, some people use these light strips in the structure of the light bulb, and hope to further replace the traditional energy-saving light bulb or 2 π light-emitting LED light bulb, but as the demand for high-power light bulbs increases, the number of internally installed light-emitting diode light strips must also increase. The internal heat dissipation problem will affect the light bulb's yield and service life. For this reason, the creator thinks whether it is possible to design a structure to overcome the heat dissipation problem of the conventional light bulb, so as to improve the product yield.

The main purpose of the present invention is to provide a light-emitting diode bulb, in which the main light source is a light-emitting diode light strip, which is erected in a bulb and is arranged inside a bulb with a heat-conducting element, and the heat is conducted by the heat-conducting element. It can also promote the circulating convection of the internal hot air and increase the heat dissipation effect. The heat conducting element also has the advantage of being able to reflect the light source to enhance the brightness and illuminate the light type.

For the above purposes, the present invention mainly comprises a lamp holder, a lamp cover, and a heat conducting component, the lamp holder comprising at least one light-emitting two-body light bar, a base, a control circuit unit, and a lamp cap, the light-emitting two-body light bar being installed in an upright shape The lamp cover is electrically connected to the lamp cap through the control circuit unit; the lamp cover is sleeved on the base, and the lamp socket forms a bulb-shaped body; and the heat conducting component is mounted on the base, and the upper half is Inside the lampshade, the lower half extends into the socket, and the upper outer portion of the upper half is in the shape of a cone.

Furthermore, the heat conducting element has a hollow tubular shape and has a longitudinal heat conducting passage having at least one hole communicating with the inside in a radial direction, the hole being positioned lower than the cone, the cone surface having a thread for allowing the heat conducting element to be The heat dissipation effect is better.

The use of the light-emitting diode bulb of the present invention has the following advantages in use:

1. The heat-conducting component can quickly guide the heat generated by the light-emitting diode light bar to the hoe, and then pass it to the lamp to increase the heat dissipation effect.

2. The surface of the heat-conducting element is polished to form a reflecting surface, which can increase the brightness of the light-emitting diode bulb, and at the same time, use the heat radiation method to reflect the hot infrared light onto the glass lamp cover, and also has the effect of increasing heat dissipation.

3. The upper part of the heat-conducting element has a cone and a thread-like surface, which increases the surface area of the heat-conducting element. The hot air in the bulb is mainly distributed at the light-emitting diode strip, so that the contact area between the heat-conducting element and the hot air in the bulb can be increased. The heat transfer effect is improved, which contributes to the heat dissipation effect as described in point 1. In addition, the surface of the cone can increase the forward reflection effect of the light source, and the surface of the thread has a light source diffusion effect, which makes the illumination type of the light-emitting diode bulb more ideal. complete.

4. The heat conducting element has a hollow tubular shape and also has a hole in the radial direction of the upper half. When the heat conducting element is heated and heated, the temperature of the outer wall and the inner wall of the hole are not the same, and the gas (such as helium gas) distributed in the bulb will be generated. The flow, for example, the rise of hot air in the pipe, the colder helium is sucked by the radial holes, creating a chimney effect, accelerating the flow of helium gas in the bulb, and the flowing hot helium gas is in contact with the glass lampshade, and the temperature outside the lampshade is low, It has a heat-dissipating effect, and the glass itself has a radiation effect, so the glass can quickly dissipate the heat, because the heat dissipation has a great relationship with the specific heat, the larger the specific heat, the faster the heat dissipation, the specific heat of the glass is 0.2, and the specific heat of aluminum is 0.215. Therefore, the heat dissipation capability of the glass is similar to that of aluminum, but the glass radiation dissipates 0.85, and the metal radiation heat dissipation is very low at around 0.05.

6. The lampshade is made of glass, and there is no problem that the aging affects the light transmittance: the surface of the glass is smooth, and it is not easy to stick to the dust. If necessary, it can be easily wiped to restore the original shape;

7. A rubber sealing ring can be installed at the junction of the lamp cover and the lamp holder. Although the lamp is filled with helium, the sealing ring can ensure long-term leakage prevention and fixing of the lampshade and the lamp holder, but the assembly is also good. More convenient and easy.

The implementation of the present invention will be described in more detail below with reference to the drawings and component symbols, so that those skilled in the art can implement the present specification after studying the present specification.

1‧‧‧ lamp holder

11‧‧‧Lighting diode

111‧‧‧Metal electrodes

12‧‧‧Base

120‧‧‧ Combination slot

121‧‧‧Base cover

122‧‧‧ socket

123‧‧‧Fixed holes

13‧‧‧Control circuit unit

131‧‧‧Metal wire

132‧‧‧Metal wire

14‧‧‧ lamp holder

15‧‧‧thermal adhesive

2‧‧‧shade

21‧‧‧Open end

3‧‧‧thermal element

31‧‧‧Conditional channel

32‧‧‧ upper half

33‧‧‧ Lower half

34‧‧‧ holes

4‧‧‧ Sealing ring

The first picture is a schematic view of the creation; the second picture is an exploded view of the creation.

As shown in the first and second figures, this is a cross-sectional view and an exploded view of the creation. The light-emitting diode bulb mainly comprises a lamp holder 1, a lamp cover 2, and a heat-conducting element 3, and the lamp holder 1 is sleeved with a glass lamp cover 2, thereby forming a bulb shape. The lamp holder 1 is mounted with a plurality of light-emitting diode strips 11 in an upright position, and the direction of light illumination is changed from one direction to 360 degrees. Projection, the industry also calls 4 π light, so that the brightness of the bulb can be effectively improved, but with the number of light-emitting diode strips 11, the heat dissipation effect in the bulb is higher, the creation of the lamp holder 1 The heat conducting element 3 is mounted at the location, so that both brightness and heat dissipation can be effectively improved.

The base 1 includes at least one light-emitting diode strip 11, a base 12, a control circuit unit 13, and a base 14, the base 12 further including a detachable base cover 121. The light-emitting diode strip 11 is internally formed by a light-emitting diode die, and can provide 360-degree omnidirectional light projection, which is also called 4 π light output in the industry. The light-emitting diode strip 11 has a metal electrode 111 at one end. The base cover 121 has at least one insertion hole 122 and a fixing hole 123. The number of the sockets 122 is corresponding to the number of the light-emitting diode strips 11 for the light strips to be mounted thereon. The metal electrodes 111 can extend below the base cover 121 to be electrically connected to the control circuit unit 13. The control circuit unit 13 has associated circuits and electronic components (illustrated by only squares in the figure), and is mainly responsible for receiving power and driving the LED strip 11 to illuminate. The control circuit unit 13 is mounted in the socket 12 and the space formed by the base 14. The outer wall of the metal of the lamp cap 14 is spiral, and the outer shape and size conform to the standard specifications of the current lamp. The purpose of the control circuit unit 12 is to reduce and rectify the power supply during use, and electrically connect the electrodes corresponding to the base 14 via the metal wires 131 and 132. This portion is similar to the conventional one and will not be described in detail. The base 12 is coupled to the top of the base 11 . In the embodiment, the outer wall of the base 12 has an annular coupling groove 120 for inserting the open end 21 of the lamp cover 2 therein.

The lampshade 2 is composed of transparent glass and has an open end 21 at the bottom. The lampshade 2 body is a spherical cone, and the outer wall of the open end 21 is slightly smaller in size, forming a neck-like structure. The lampshade 2 is sleeved in the coupling groove 120 of the base 12 during assembly, thereby closing the lamp cover 5. In addition, during the process of closing the lampshade 2, helium gas can be injected into the internal space in advance to increase the heat dissipation effect. Long lamp life.

The heat conducting element 3 is a metal heat conductor, and the embodiment is an aluminum metal. The heat conducting component 3 is a hollow tubular member, and thus has a longitudinal heat conducting channel 31. The body is divided into two parts, an upper half 32 and a lower half 33. When assembled, the heat conducting component 3 is inserted into the fixing hole 123, and is mounted. The upper half 32 is located on the base cover 121 in the lamp cover 2, and the lower half 33 extends into the socket 1 and is coupled to the base 14 through the thermal conductive adhesive 15. The surface of the upper half 32 is subjected to a buffing treatment, and has a reflecting surface effect. The partial outer wall shape is a cone, and the shape is gradually increased from top to bottom. This shape helps to illuminate the light of the LED strip 11 External reflection. The surface of the cone 321 is a threaded surface. The purpose is to increase the surface area, and increase the contact area with the hot air in the bulb when the bulb is bright. The heat is transmitted through the heat conducting element 3 and the lamp head 14 to the lamp in which the bulb is installed, so that the heat is conducted out. The purpose of heat dissipation. In addition, the heat conducting element 3 has at least one hole 34 communicating with the inner heat conducting channel 31 in the radial direction. The hole 34 is located lower than the cone position of the upper half 32 for the purpose of increasing the convection of the hot gas in the bulb. Cooling. Or the heat conducting component 3 is mounted on the base cover 121, wherein the heat conducting component 3 has a radially disposed hole 34, at least one of which is located above the junction of the base cover 121 and the heat conducting component 3, or at least A position below the junction of the base cover 121 and the heat conducting element 3.

In addition, during assembly, the open end 21 of the lamp cover 2 is sleeved in the coupling groove 120 of the base 12. In order to achieve good sealing, the joints of the two can be fixed by adhesive. However, in order to consider the convenience of assembly, the creation further includes a mouth ring 4, and the sealing ring 4 is made of rubber material. In the assembly, the sealing ring 4 can be placed in the coupling groove 120 in advance, and then the lamp cover 2 is mounted thereon, and the sealing ring 4 can be closely attached to the open end 21 of the lamp cover 2 and the inner wall of the coupling groove 121. Achieve good sealing and prevent internal gas leakage, so that the action of the glue can be omitted, making assembly more square Will.

In the assembly process of the light-emitting diode bulb, the LED strip 11, the base 12, the control circuit unit 13, and the lamp cap 14 of the lamp holder 1 are sequentially assembled together, and the electrical properties of the relevant components are completed. Connection, there are still some welding operations in the process, but this is the basic operation mode of the general bulb. In addition, the heat conducting component 3 is also mounted on the base cover 121 of the base 12, and finally the lampshade 2 is The bases 12 are joined together to complete the assembly of the bulb.

Since the bulb of the present invention has the heat conducting element 3, when the light emitting diode strip 11 is illuminated, the cone of the upper half 32 of the heat conducting element 3 can reflect light, increase the brightness and have the effect of diffusing the light source, so that the light is projected. The light type is more ideal. The longitudinal heat conduction path 31 and the lateral hole 34 of the heat conduction element 3 can convect the hot air in the lamp cover 2, and allow the hot air close to the light-emitting diode light bar 11 to flow to the inner wall surface of the lamp cover 2, and the lamp cover 2 The cold air outside passes through the heat transfer through the lampshade 2 for heat dissipation. In addition, the heat conducting element 3 also increases the contact area heat absorption through the upper surface portion 32 due to the thread surface, and the heat passes through the heat conducting element 3, the lamp head 14, and the lamp in which the bulb is mounted, so that the heat energy is conducted out to achieve the purpose of heat dissipation. Such a design can still have a good heat dissipation effect in the case of an increase in the number of light-emitting diode strips 11, so as to facilitate the development of high-power bulbs, and meet the patent application requirements.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present embodiments. The equivalent changes and modifications made by the scope of the patent application for this creation are covered by the scope of the patent.

1‧‧‧ lamp holder

11‧‧‧Lighting diode strip

12‧‧‧Base

120‧‧‧ Combination slot

121‧‧‧Base cover

13‧‧‧Control circuit unit

131‧‧‧Metal wire

132‧‧‧Metal wire

14‧‧‧ lamp holder

15‧‧‧thermal adhesive

2‧‧‧shade

21‧‧‧Open end

3‧‧‧thermal element

31‧‧‧Conditional channel

32‧‧‧ upper half

33‧‧‧ Lower half

34‧‧‧ holes

4‧‧‧ Sealing ring

Claims (13)

A light-emitting diode bulb mainly comprises a lamp holder, a lamp cover, and a heat-conducting component, wherein: the lamp holder comprises at least one light-emitting two-body light bar, a base, a control circuit unit, and a lamp cap, and the light-emitting two-body light bar is upright Mounted on the base and electrically connected to the lamp through the control circuit unit; the lamp cover is sleeved on the base, and the lamp holder forms a bulb-shaped body; and the heat conducting component is mounted on the base, the upper half In the lampshade, the lower half extends into the lamp holder, and the upper half of the upper outer wall is shaped like a cone. The light-emitting diode bulb of claim 1, wherein the outer wall of the base further has an annular coupling groove for inserting the open end of the lamp cover therein. The light-emitting diode bulb according to claim 2, further comprising a mouth ring installed between the inner wall of the lamp cover and the inner wall of the coupling groove to achieve good sealing and prevent internal gas leakage. The light-emitting diode bulb of claim 3, wherein the sealing ring is made of a rubber material. The light-emitting diode bulb of claim 1, wherein the main component of the air in the lampshade is helium. The light-emitting diode bulb of claim 1, wherein the base set further comprises a base cover, the light-emitting diode light strip and the heat-conducting component are mounted on the base cover, the heat-conducting component is located The middle position of the light-emitting diode. The light-emitting diode bulb according to claim 1, wherein the heat-conducting element has a hollow tubular shape and has a longitudinal heat conducting channel, and the heat conducting element has at least one hole and an inner portion in the radial direction. The heat pipes are connected. The light-emitting diode bulb of claim 7, wherein at least one of the holes is located lower than a cone position of the upper half. The light-emitting diode bulb of claim 1, wherein the heat-conducting element has a tapered surface having a thread. The light-emitting diode bulb of claim 1, wherein the heat-conducting element has a pyramid shape that increases from top to bottom. The light-emitting diode bulb of claim 1, wherein the lower half of the heat-conducting element is bonded to the base by a thermal conductive adhesive. A light-emitting diode bulb mainly comprises a lamp holder, a lamp cover, and a heat-conducting component, wherein: the lamp holder comprises at least one light-emitting two-body light bar, a base, a control circuit unit, and a lamp cap, and the light-emitting two-body light bar is upright Mounted on the base and electrically connected to the lamp head through the control circuit unit; the lamp cover is sleeved on the base, and forms a bulb-shaped body with the lamp holder; and the heat conducting component is mounted on the base and is hollow a tube member, the upper half is in the lamp cover, and the lower half extends into the lamp holder. The heat conducting element is hollow tubular and has a longitudinal heat conducting path, and the heat conducting element has at least one hole in the radial direction and the heat conducting channel inside. Connected. The light-emitting diode bulb of claim 12, wherein the base set further comprises a base cover, the light-emitting diode light strip and the heat-conducting element are mounted on the base cover, wherein the heat-conductive element A radially disposed aperture, at least one of which is located above the junction of the base cover and the thermally conductive element.