CN212252178U - Ball bulb lamp - Google Patents

Abstract

This application provides a bulb lamp, including a lamp housing, a heat sink, a light-transmitting cover, a lamp board, a control circuit board, an antenna, and a fan. The heat sink and control circuit board are both mounted on the lamp housing. The light-transmitting cover is mounted on the heat sink and encloses it to form a lighting chamber. The lamp board and fan are respectively mounted on opposite surfaces of the heat sink. The lamp board is located within the lighting chamber. Both the lamp board and the antenna are connected to the control circuit board. The lamp housing has an air inlet, and the heat sink has an air outlet. By installing a fan on the heat sink, air enters the lamp housing through the air inlet and flows along the lower surface of the heat sink towards the air outlet. This quickly removes the heat transferred from the lamp board to the heat sink, resulting in better heat dissipation and meeting the requirements of high-power bulb lamps, thereby extending the bulb lamp's lifespan.

Description

Bulb

technical field

The present application belongs to the technical field of lighting, and more particularly, relates to a bulb lamp.

Background technique

Common LED bulbs on the market involve wired control and wireless control, and wireless control requires adding a radio frequency antenna to the LED bulb. With the increase of user demand for products, the power of wireless control LED bulbs is larger than that of general LED bulbs, but higher power often needs to match good heat dissipation performance, while the existing wireless control LED bulbs have higher power than ordinary LED bulbs. The LED bulb basically relies on the heat dissipation holes on the housing to dissipate heat naturally, and its heat dissipation effect is not good, which cannot meet the high-power wireless control LED bulb, and it is easy to shorten the service life of the wireless control LED bulb.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide a bulb lamp to solve the technical problem in the prior art that the service life of the wireless high-power bulb lamp is shortened due to poor heat dissipation effect.

In order to achieve the above purpose, the technical solution adopted in this application is: a bulb lamp, comprising a lamp housing, a radiator, a light-transmitting cover, a lamp board, a control circuit board, an antenna and a fan; the radiator and the control circuit The boards are all mounted on the lamp housing, and the light-transmitting cover is mounted on the radiator and forms a lighting chamber enclosed with the radiator; the lamp board and the fan are respectively mounted on the radiator On the opposite surface of the device, the lamp board is located in the lighting chamber, the antenna is connected to the control circuit board through a first wire, and the lamp board is connected to the control circuit board through a second wire; the The lamp housing is provided with an air inlet, and the radiator is provided with an air outlet.

Optionally, the antenna is installed at the center of the light panel and located in the lighting chamber.

Optionally, a strip groove for accommodating a first wire between the antenna and the control circuit board is provided on the surface of the heat sink on which the lamp board is mounted, and the lamp board and the strip groove are The bottoms of the grooves are all provided with first through holes for the first wires between the antenna and the control circuit board to pass through.

Optionally, the strip-shaped groove extends from the center of the surface where the heat sink is mounted on the light board to the direction of the edge of the surface where the heat sink is mounted on the light board, and the first through hole One end of the groove bottom of the strip groove extending in the direction toward the edge of the surface of the heat sink on which the lamp board is installed is provided.

Optionally, the edge of the surface of the heat sink on which the light board is mounted is provided with a second through hole for passing the second wire between the light board and the control circuit board.

Optionally, the surface of the radiator on which the fan is installed is provided with a plurality of radiating fins, the plurality of radiating fins are distributed around the outer circumference of the fan, and the air outlet is formed on two adjacent radiating fins. between slices.

Optionally, a wind blocking ring is provided between the lamp housing and the radiator, the wind blocking ring is blocked between the air inlet and the air outlet, and the inner periphery of the wind blocking ring surrounds outside the fan.

Optionally, the lamp housing has a first opening and a second opening opposite to each other, the heat sink is mounted on the first opening of the lamp housing, and a lamp cap is installed at the first opening of the lamp housing.

Optionally, the air inlet is opened on the periphery of the first opening of the lamp housing, and the control circuit board is horizontally installed in the lamp housing.

Optionally, the air inlet is opened on the side of the lamp housing, the control circuit board is vertically installed in the lamp housing, and the inner surface of the lamp housing is provided with a space for inserting the control circuit. board slot.

The embodiments of the present application have at least the following beneficial effects. By installing a fan on the radiator, the air can flow in the direction of the air outlet of the radiator along the lower surface of the radiator after entering the lamp housing through the air inlet of the lamp housing, so that the air can flow in the direction of the air outlet of the radiator. Quickly take away the heat transferred from the light panel to the radiator. Since the air flow between the lamp housing and the radiator is accelerated, the embodiment of the present application has better heat dissipation effect, can meet the requirements of high-power bulb lamps, and can prolong the service life of the bulb lamps.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only for the present application. In some embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a structural cross-sectional view of an embodiment of the application;

Fig. 2 is the assembly structure schematic diagram of the embodiment of the application;

3 is a structural cross-sectional view of another embodiment of the application;

FIG. 4 is a schematic diagram of an assembly structure of another embodiment of the present application.

Among them, each label in the figure is:

1, lamp housing; 11, air inlet; 12, first opening; 13, second opening; 14, connecting post; 141, threaded hole; 15, perforation; 16, slot; 2, radiator; 21, air outlet ; 22, strip slot; 23, first through hole; 24, second through hole; 25, heat sink; 26, stepped hole; 3, light-transmitting cover; 4, lamp board; 41, light source; 5, control circuit Board; 51, button; 52, charging connector; 6, antenna; 7, fan; 71, impeller; 72, bracket; 81, screw connection; 82, lighting chamber; 83, first wire; 84, windshield 841, inner hole; 842, avoidance hole; 843, guide surface; 85, driving device; 86, second wire; 87, connector; 88, protective cover; 9, lamp holder.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clear, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of description, rather than indicating or implying the referred device Or the elements must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be construed as a limitation on this patent, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations. The terms "first" and "second" are only used for the purpose of description, and should not be understood as indicating or implying relative importance or implying indicating the number of technical features. "Plurality" means two or more, unless expressly specifically limited otherwise.

Referring to FIGS. 1 to 4 , an embodiment of the present application provides a bulb lamp including a lamp housing 1 , a heat sink 2 , a light-transmitting cover 3 , a lamp board 4 , a control circuit board 5 , an antenna 6 and a fan 7 . The radiator 2 and the control circuit board 5 are both installed on the lamp housing 1; specifically, the radiator 2 is detachably installed at the upper end opening of the lamp housing 1 through the screw connection 81, and the control circuit board 5 is detachable through the screw connection 81. Installed inside the lamp housing 1. The light-transmitting cover 3 is mounted on the radiator 2, and the light-transmitting cover 3 and the radiator 2 enclose a lighting chamber 82; The outer peripheral surface is provided with external threads that cooperate with the internal threads of the transparent cover 3 , so that the transparent cover 3 can be detachably mounted on the radiator 2 and enclosed with the radiator 2 to form a lighting chamber 82 . The lamp board 4 and the fan 7 are respectively installed on the opposite surfaces of the radiator 2; specifically, the lamp board 4 is detachably installed on the upper surface of the radiator 2 through the screw connection 81, and the fan 7 is installed on the radiator through the screw connection 81. 2; and the lower surface of the lamp board 4 is in contact with the upper surface of the radiator 2, so that the heat generated by the lamp board 4 can be quickly transferred to the aluminum radiator 2. The light board 4 is located in the lighting chamber 82 enclosed by the light-transmitting cover 3 and the radiator 2 , the antenna 6 is connected to the control circuit board 5 through the first wire 83 , and the light board 4 is connected to the control circuit board 5 through the second wire 86 . . The lamp housing 1 is provided with an air inlet 11 , and the radiator 2 is provided with an air outlet 21 .

In the present application, by installing the fan 7 on the radiator 2, the air can flow in the direction of the air outlet 21 of the radiator 2 along the lower surface of the radiator 2 after entering the lamp housing 1 through the air inlet 11 of the lamp housing 1, so that the air can be The heat transferred from the lamp panel 4 to the radiator 2 is quickly taken away. Compared with the prior art using the heat dissipation holes of the lamp housing to naturally dissipate heat, the embodiment of the present application has a better heat dissipation effect because the air flow between the lamp housing 1 and the radiator 2 is accelerated, and can meet the requirements of high-power bulb lamps. , so that the service life of the bulb lamp can be prolonged, and the embodiment of the present application also has the advantages of simple structure, convenient disassembly and assembly, and the like.

In one of the embodiments, the antenna 6 is mounted at the center of the light panel 4 and within the lighting chamber 82 . In other embodiments, the antenna 6 may also be installed at a position other than the center of the light panel 4 . In contrast, installing the antenna 6 at the center of the lamp board 4 can maximize the signal receiving range and radiation range of the antenna 6, and can improve the transmission and reception efficiency of the antenna 6.

In one of the embodiments, the surface of the heat sink 2 on which the lamp board 4 is installed (ie, the upper surface of the heat sink 2) is provided with a strip groove 22 for accommodating the first wire 83 between the antenna 6 and the control circuit board 5, A first through hole 23 for the first wire 83 between the antenna 6 and the control circuit board 5 to pass through is formed at the bottom of the light board 4 and the groove bottom of the strip groove 22 . When the antenna 6 is installed at the center of the lamp board 4, by opening the strip groove 22 on the heat sink 2, the first wire 83 between the antenna 6 and the control circuit board 5 can pass through the lamp board 4 and dissipate heat 2, and the first wire 83 can be accommodated in the strip groove 22 through a section between the lamp board 4 and the radiator 2, so as to avoid the first wire between the lamp board 4 and the control circuit board 5 83 is blocked between the lamp board 4 and the radiator 2 , so that the radiator 2 and the lamp board 4 can still have a large mutual contact area, ensuring that the heat generated by the lamp board 4 can be quickly transferred to the radiator 2 .

In one embodiment, the strip groove 22 extends from the center of the surface of the heat sink 2 on which the light board 4 is installed to the edge of the surface of the heat sink 2 on which the light board 4 is installed, that is, the strip groove 22 extends from the heat sink 2 to the edge of the surface on which the light board 4 is installed. The center of the upper surface of the radiator 2 extends in the direction of the edge; the first through hole 23 is opened at the end of the groove bottom of the strip groove 22 that extends in the direction of the edge of the surface of the radiator 2 on which the lamp board 4 is installed, namely the first through hole 23. The through hole 23 is opened at one end of the groove bottom of the strip groove 22 extending toward the edge of the upper surface of the heat sink 2 . Through the above arrangement, the first wire 83 between the antenna 6 and the control circuit board 5 can pass through the heat sink 2 from the edge of the heat sink 2, so that the first wire 83 can avoid the position where the fan 7 is installed on the heat sink 2 , will not affect the normal installation and normal operation of the fan 7.

In one of the embodiments, the edge of the surface of the heat sink 2 on which the lamp board 4 is mounted (ie, the upper surface of the heat sink 2 ) is provided with a first wire 86 for the second wire 86 between the lamp board 4 and the control circuit board 5 to pass through. Two through holes 24, the second wire 86 is a DuPont wire, one end of which is connected to the lamp board 4, and the other end is connected to a socket on the control circuit board 5 through a connector (not shown in the figure). Through the above arrangement, the second wire 86 between the lamp board 4 and the control circuit board 5 can also pass through the radiator 2 from the edge of the radiator 2, avoiding the position where the fan 7 is installed on the radiator 2, and will not affect the Normal installation and normal operation of fan 7.

In one embodiment, the fan 7 is provided with a bracket 72 , and the fan 7 is fixedly mounted on the lower surface of the radiator 2 through the bracket 72 . The surface of the radiator 2 on which the fan 7 is installed (ie, the lower surface of the radiator 2 ) is provided with a plurality of radiating fins 25 , and the plurality of radiating fins 25 are distributed around the outer circumference of the fan 7 , and the air outlet 21 of the radiator 2 is formed in the adjacent between the two heat sinks 25 . During operation, since a plurality of radiating fins 25 are distributed around the outer circumference of the fan 7, and the air outlet 21 of the radiator 2 is formed between two adjacent radiating fins 25, the radiator 2 has a surrounding distributed on the outer circumference of the fan 7. The multiple air outlets 21 of the radiator 2 allow the airflow to flow out evenly through the multiple air outlets 21 of the radiator 2; While the plurality of air outlets 21 flow out evenly, they can also quickly take away the heat of each heat sink 25, thereby further improving the heat dissipation effect. In one of the embodiments, a wind shielding ring 84 is arranged between the lamp housing 1 and the radiator 2 and is blocked between the air inlet 11 and the air outlet 21 , and the inner periphery of the wind shielding ring 84 is arranged around the outside of the fan 7 . By arranging the wind blocking ring 84 between the air inlet 11 and the air outlet 21, the air entering from the air inlet 11 enters the fan 7 through the inner hole 841 of the wind blocking ring 84, and goes to the air outlet under the agitation of the impeller 71 of the fan 7 21 (the flow path of the airflow is shown by the dotted line in Figure 1 ), so that the airflow at the air inlet 11 and the airflow at the air outlet 21 can be blocked from mixing or exchanging heat with each other, thereby further improving the heat dissipation effect. Further, the wind shielding ring 84 has a deflecting surface 843 that protrudes toward the direction of the control circuit board 5 , so that when the air enters the lamp housing 1 from the air inlet 11 , the air passing through the deflecting surface 843 can flow downward at an angle. , blowing to the surface of the control circuit board 5 in the lamp housing 1 to dissipate heat for the control circuit board 5 .

In one of the embodiments, the bulb lamp further includes a driving device 85 installed in the lamp housing 1 , and the driving device 85 is electrically connected to the control circuit board 5 . The driving device 85 includes one or a combination of a driving power supply and an AC-to-DC module. By setting the driving power supply in the lamp housing 1, the bulb lamp can be used for the lamp board through its own driving power supply without being inserted into the socket. 4 power supply, thereby improving the mobile performance and application scenarios of the bulb; the AC to DC module is used to convert the AC to DC to supply power to the light board 4 when the bulb is connected to the AC power source.

In one embodiment, the control circuit board 5 is connected with buttons 51 and/or charging connectors 52 , and the lamp housing 1 is provided with through holes 15 through which the buttons 51 and/or charging connectors 52 pass. The buttons 51 connected to the control circuit board 5 can be used for on-off control, brightness adjustment, etc. of the bulb, and the charging connector 52 can be used to charge the driving power supply, so that the bulb has more functions and is more convenient to use.

In one of the embodiments, the lamp housing 1 has a first opening 12 and a second opening 13 arranged oppositely. In FIGS. 1 and 2 , the first opening 12 is the upper opening of the lamp housing 1 , and the second opening 13 is the lamp The lower part of the shell 1 is opened; the radiator 2 is installed on the first opening 12 of the lamp shell 1, and the lamp cap 9 is installed at the second opening 13 of the lamp shell 1, and the lamp cap 9 is used to be inserted on the matching lamp socket, Through the mutual insertion of the lamp cap 9 and the lamp socket, an external power source is provided for the lamp board 4, and the structure is simple and the installation is convenient. In one of the embodiments, the inner surface of the lamp housing 1 is provided with a plurality of connecting posts 14 , the connecting posts 14 are provided with threaded holes 141 , the threaded holes 141 of the connecting posts 14 are connected with threaded connectors 81 , and the radiator 2 is provided with The stepped hole 26 through which the threaded connection piece 81 passes; the windshield ring 84 is provided with an escape hole 842 for the connecting column 14 to pass through. By inserting the threaded connector 81 into the stepped hole 26 of the radiator 2 and screwing the threaded connector 81 into the threaded hole 141 of the connecting column 14, the radiator 2 can be fixedly installed on the lamp housing 1, with a simple structure and convenient installation. The stepped hole 26 opened on the radiator 2 can accommodate the head of the threaded connector 81 to prevent the head of the threaded connector 81 from protruding from the upper surface of the radiator 2 and affecting the lower surface of the lamp board 4 and the upper surface of the radiator 2 mutual contact and heat transfer.

In one embodiment, the light board 4 is a circular board, and the light board 4 has a plurality of light sources 41 distributed in a circular array. The color types of the light sources 41 are not limited here, and can be arranged as required. It can be LED (Light Emitting Diode, light-emitting diode), wherein the multiple independent light-emitting diodes can form a single high-brightness light-emitting surface, of course, other types of light sources such as organic light-emitting diodes or laser diode arrays are also feasible, The uniform array arrangement of the light sources 41 relative to the antennas 6 can make the light and brightness emitted by the bulb more uniform.

In one embodiment, please refer to FIG. 1 and FIG. 2 , the air inlet 11 is opened on the periphery of the first opening 12 of the lamp housing 1 , and the control circuit board 5 is installed in the lamp housing 1 horizontally. Since the control circuit board 5 is installed horizontally in the lamp housing 1, the air inlet 11 needs to be opened on the periphery of the first opening 12 of the lamp housing 1, so that the airflow can smoothly enter the lamp housing from the air inlet 11 without being controlled by the circuit board. 5 Block.

In one of the embodiments, please refer to FIG. 3 and FIG. 4 , the air inlet 11 is opened at the bottom position of the side of the lamp housing 1 , the control circuit board 5 is vertically installed in the lamp housing 1 , and the inner surface of the lamp housing 1 is opened There is a slot 16 for inserting the control circuit board 5 . When the control circuit board 5 is installed vertically in the lamp housing 1, the air inlet 11 can be opened at the bottom of the side of the lamp housing 1, and the control circuit board 5 is vertically arranged in the lamp housing 1, so that the airflow can be smoothly The air inlet 11 enters the lamp housing and flows to the fan 7 , and the air flow can also flow through both sides of the control circuit board 5 to dissipate heat. In addition, a protective cover 88 is also installed in the lamp housing 1, and the protective cover 88 is sleeved on the outer periphery of the driving device 85 to prevent external dust, rainwater, etc. from directly eroding the driving device 85 through the air inlet 11, so as to protect the driving device 85.

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application shall be included in the protection of the present application. within the range.

Claims (10)

1. A bulb lamp is characterized by comprising a lamp shell (1), a radiator (2), a light-transmitting cover (3), a lamp panel (4), a control circuit board (5), an antenna (6) and a fan (7); the radiator (2) and the control circuit board (5) are both arranged on the lamp shell (1), and the light-transmitting cover (3) is arranged on the radiator (2) and forms a lighting chamber (82) with the radiator (2) in a surrounding manner; the lamp panel (4) and the fan (7) are respectively installed on the surfaces opposite to the radiator (2), the lamp panel (4) is located in the lighting cavity (82), the antenna (6) is connected with the control circuit board (5) through a first wire (83), and the lamp panel (4) is connected with the control circuit board (5) through a second wire (86); the lamp shell (1) is provided with an air inlet (11), and the radiator (2) is provided with an air outlet (21).

2. The bulb lamp according to claim 1, characterized in that the antenna (6) is mounted at the center of the lamp panel (4) and within the lighting chamber (82).

3. The bulb lamp according to claim 2, wherein a strip-shaped groove (22) for accommodating a first wire (83) between the antenna (6) and the control circuit board (5) is formed in the surface of the lamp panel (4) where the heat sink (2) is mounted, and first through holes (23) for the first wire (83) between the antenna (6) and the control circuit board (5) to pass through are formed in the bottoms of the lamp panel (4) and the strip-shaped groove (22).

4. The bulb lamp according to claim 3, wherein the strip-shaped groove (22) extends from the center of the surface of the lamp panel (4) mounted on the radiator (2) toward the edge of the surface of the lamp panel (4) mounted on the radiator (2), and the first through hole (23) is formed in one end of the strip-shaped groove (22) extending from the bottom of the groove toward the edge of the surface of the lamp panel (4) mounted on the radiator (2).

5. The bulb lamp according to any one of claims 1 to 4, wherein a second through hole (24) for a second wire (86) between the lamp panel (4) and the control circuit board (5) to pass through is formed at an edge of a surface of the lamp panel (4) where the heat sink (2) is mounted.

6. The bulb lamp according to claim 1, wherein the surface of the heat sink (2) on which the fan (7) is mounted is provided with a plurality of heat dissipation fins (25), the plurality of heat dissipation fins (25) are circumferentially distributed on the periphery of the fan (7), and the air outlet (21) is formed between two adjacent heat dissipation fins (25).

7. The bulb lamp according to claim 1 or 6, characterized in that a wind-blocking ring (84) is arranged between the lamp housing (1) and the heat sink (2), the wind-blocking ring (84) is blocked between the wind inlet (11) and the wind outlet (21), and the inner circumference of the wind-blocking ring (84) is arranged around the fan (7).

8. A bulb lamp as claimed in claim 1, characterized in that the envelope (1) has a first opening (12) and a second opening (13) arranged opposite to each other, the heat sink (2) is mounted on the first opening (12) of the envelope (1), and a base (9) is mounted at the second opening (13) of the envelope (1).

9. The bulb lamp according to claim 8, characterized in that the air intake (11) opens at the periphery of the first opening (12) of the lamp housing (1), the control circuit board (5) being mounted horizontally inside the lamp housing (1).

10. The bulb lamp according to claim 1, wherein the air inlet (11) is formed in a side surface of the lamp housing (1), the control circuit board (5) is vertically installed in the lamp housing (1), and a slot (16) for inserting the control circuit board (5) is formed in an inner surface of the lamp housing (1).

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