Corn lamp

Abstract

The utility model discloses a corn lamp which comprises a lamp holder base, a connecting piece, a driving circuit board, a heat dissipation base and a plurality of side lamp panels, and one end of the lamp holder base is used for being electrically connected with an external power source. A through hole is formed in the connecting piece in the thickness direction in a penetrating mode, the connecting piece is connected with the lamp holder base, and the lamp holder base covers the through hole in a sealing mode. The driving circuit board is arranged on the connecting piece and electrically connected with the lamp holder base. One end of the heat dissipation seat is connected with the connecting piece, and at least part of the heat dissipation seat extends through the through hole and abuts against the driving circuit board; the side lamp panels are arranged on the peripheral wall of the heat dissipation base at intervals and further electrically connected with the drive circuit board. By means of the arrangement, the heat dissipation base not only can dissipate heat for the side lamp panel, but also can dissipate heat for the driving circuit board, so that the driving circuit board does not have the phenomenon of heat accumulation after working for a long time, and the service life of the driving circuit board is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to lamp technical field, especially a corn lamp. BACKGROUND

[0002] LED lamps are called the fourth generation of lighting light source or green light source, have energy -conserving, environmental protection, long life, small volume etc.

[0003] The existing corn lamp is generally provided with a drive circuit board, the drive circuit board is electrically connected with each lamp panel of the corn lamp to power the lamp panel, and the lamp holder is connected with the external power connection thread hole to take power, so that the drive circuit board in the lamp holder generates heat after the corn lamp is powered on, and since the drive circuit board is located in the lamp holder of the corn lamp, the heat generated by the drive circuit board cannot be dissipated from the inside of the lamp holder, which easily leads to the reduction of the service life of the drive circuit board under the long-time working of the corn lamp, so it is urgent to be improved. UTILITARIAN CONTENT

[0004] The utility model discloses a corn lamp, which solves the problem of poor heat dissipation of the drive circuit board of the corn lamp in the related art, and prolongs the service life of the drive circuit board.

[0005] To achieve the above-mentioned purpose, the utility model provides a corn lamp, which comprises:

[0006] A lamp holder, one end of the lamp holder is used for electrically connecting with an external power supply;

[0007] A connecting piece, the connecting piece is provided with a through hole penetrating along the thickness direction thereof, the connecting piece is connected with the lamp holder, and the lamp holder covers the through hole;

[0008] A drive circuit board, the drive circuit board is arranged on the connecting piece, and the drive circuit board is electrically connected with the lamp holder;

[0009] A heat dissipation seat, one end of the heat dissipation seat is connected with the connecting piece, and the heat dissipation seat at least partially extends into the drive circuit board through the through hole and abuts against the drive circuit board;

[0010] A plurality of side lamp panels, each side lamp panel is arranged on the outer peripheral wall of the heat dissipation seat in a spaced manner, and each side lamp panel is also electrically connected with the drive circuit board.

[0011] In some embodiments, the heat dissipation seat is in a cylindrical shape and has a plurality of heat dissipation ribs arranged along a radial direction of the heat dissipation seat at intervals, and each of the heat dissipation ribs is provided with a mounting seat at an end away from a central axis of the heat dissipation seat, and each of the side lamp panels is mounted on the mounting seat.

[0012] In some embodiments, the corn lamp further comprises a plurality of side lamp covers, each of the side lamp covers is connected with the heat dissipation seat and covers each of the side lamp panels.

[0013] In some embodiments, a side of the side lamp cover facing the side lamp panel is provided with a stop rib, and the stop rib stops the side lamp panel.

[0014] In some embodiments, the connecting piece is further provided with a plurality of through holes, and one end of each of the side lamp panels extends into the other side of the connecting piece through the corresponding through hole.

[0015] In some embodiments, the mounting seat has two clamping grooves, and the two clamping grooves are arranged along the length direction of the heat dissipation seat and are located on both sides of the side lamp panel, and both sides of the side lamp cover are provided with clamping ribs arranged along the length direction thereof, and the two clamping ribs are clamped and matched with the corresponding clamping grooves.

[0016] In some embodiments, the corn lamp further comprises a top lamp panel, and the top lamp panel is mounted at an end of the heat dissipation seat away from the driving circuit board, and the top lamp panel is electrically connected with the driving circuit board.

[0017] In some embodiments, the corn lamp further comprises a top lamp cover, and the top lamp cover is detachably connected with the heat dissipation seat and covers the top lamp panel.

[0018] In some embodiments, the surface of each of the heat dissipation seats is provided with a heat dissipation groove arranged along the length direction of the heat dissipation seat.

[0019] In some embodiments, the heat dissipation seat is formed by one-time extrusion of an aluminum alloy material.

[0020] The beneficial effects of the technical scheme of the corn lamp are as follows:

[0021] The connecting piece of the corn lamp is provided with a through hole, the driving circuit board is arranged on the connecting piece, and the heat dissipation seat for dissipating heat of the side lamp panel can abut against the driving circuit board through the through hole, so that the heat generated by the driving circuit board during operation can be transferred to the heat dissipation seat, and the heat dissipation seat can not only dissipate heat for the side lamp panel, but also dissipate heat for the driving circuit board, so that the driving circuit board will not have the phenomenon of heat accumulation under long-time operation, and the service life of the driving circuit board is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the corn lamp of the embodiment of the utility model;

[0023] Figure 2 It is an explosion view of the corn lamp of the embodiment of the utility model;

[0024] Figure 3 It is a sectional view of the corn lamp of the embodiment of the utility model;

[0025] Figure 4 It is Figure 3 It is an enlarged view of the partial A;

[0026] Figure 5 It is a structure schematic view of the corn lamp of the embodiment of the utility model, which is disassembled from the lamp holder seat.

[0027] Explanation of reference numerals:

[0028] 100, lamp holder seat; 200, connecting piece; 210, through hole; 220, via hole; 300, drive circuit board; 400, heat dissipation seat; 410, heat dissipation rib; 420, mounting seat; 430, clamping groove; 440, heat dissipation groove; 500, side lamp plate; 600, side lamp cover; 610, abutting rib; 620, clamping rib; 700, top lamp plate; 710, top lamp cover. DETAILED DESCRIPTION

[0029] The scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only some of the embodiments in the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. In addition, the description of "first", "second" and the like in the utility model is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features.

[0030] In view of the technical defects in the related art, the utility model provides a corn lamp, please refer to Figures 1 to 3 , including: lamp holder seat 100, connecting piece 200, drive circuit board 300, heat dissipation seat 400 and multiple side lamp plates 500, one end of the lamp holder seat 100 is used for electrically connecting with the external power supply; the mode of electrically connecting the lamp holder seat 100 with the external power supply can be a plug-in interface, or a threaded connection interface, which is not specifically limited here.

[0031] The connecting piece 200 is used for connecting the lamp cap seat 100 and the heat dissipation seat 400 together as an intermediate connection, wherein the connecting piece 200 is provided with a through hole 210 penetrating along the thickness direction of the connecting piece 200, the connecting piece 200 is connected with the lamp cap seat 100, and the lamp cap seat 100 covers the through hole 210; at this time, the connecting mode of the connecting piece 200 and the lamp cap seat 100 can adopt a detachable connection mode, for example, clamping, threaded locking, etc., so as to facilitate subsequent separation, maintenance and replacement of the connecting piece 200 and the lamp cap seat 100.

[0032] Further, the driving circuit board 300 is arranged on the connecting piece 200, the driving circuit board 300 is electrically connected with the lamp cap seat 100, one end of the heat dissipation seat 400 is connected with the connecting piece 200, and the heat dissipation seat 400 at least partially extends into the driving circuit board 300 through the through hole 210 and abuts against the driving circuit board 300; in this way, the heat dissipation seat 400 can absorb and conduct the heat generated by the driving circuit board 300 during work to the external environment, so as to prevent the driving circuit board 300 from being overheated and causing its service life to be reduced.

[0033] It should be noted that the driving circuit board 300 is composed of an electronic integrated circuit and a plurality of resistors, which can control the high-voltage input and output end of the corn lamp, so that the control effect of the corn lamp can be achieved without built-in power supply processor, and the electronic components used are less and the space occupied is small, which facilitates the miniaturization of the corn lamp.

[0034] In addition, the side lamp plates 500 are arranged on the outer peripheral wall of the heat dissipation seat 400 in a spaced manner, and the side lamp plates 500 are also electrically connected with the driving circuit board 300. That is, the heat dissipation seat 400 can not only dissipate heat for the driving circuit board 300, but also simultaneously dissipate heat for the plurality of side lamp plates 500 of the corn lamp, and can conduct and dissipate heat for different parts of the corn lamp during the whole work of the corn lamp, so that the heat dissipation seat 400 has high heat dissipation utilization.

[0035] Through the above technical scheme, since the connecting piece 200 of the corn lamp of the utility model is provided with the through hole 210, the driving circuit board 300 is arranged on the connecting piece 200, and the heat dissipation seat 400 for dissipating heat for the side lamp plates 500 can abut against the driving circuit board 300 through the through hole 210, so that the heat generated by the driving circuit board 300 during work can be transferred to the heat dissipation seat 400, and in this way, the heat dissipation seat 400 can not only dissipate heat for the side lamp plates 500, but also dissipate heat for the driving circuit board 300, so that the driving circuit board 300 will not have the phenomenon of heat accumulation under long-time work, and the service life of the driving circuit board 300 is prolonged.

[0036] In some embodiments, the heat sink 400 is in a cylindrical shape and its outer peripheral wall is provided with a plurality of heat dissipation ribs 410 extending along its radial direction, and each heat dissipation rib 410 is provided with a mounting seat 420 at an end away from the central axis of the heat sink 400, and each side lamp plate 500 is mounted on the mounting seat 420. It should be noted that the number of heat dissipation ribs 410 can be 3, 4, 5 or more, which is set according to the number of side lamp plates 500 provided on the corn lamp, which is not limited here.

[0037] The side lamp plate 500 is mounted on the mounting seat 420 provided at the end of the heat dissipation rib 410 away from the central axis of the heat sink 400, so that a gap is formed between each side lamp plate 500, which can increase the heat dissipation area of the heat sink 400, so that the inside of the heat sink 400 can exchange heat with the external air, and the heat dissipation efficiency of the heat sink 400 is accelerated.

[0038] In addition, the connection mode of the side lamp plate 500 and the mounting seat 420 can be a non-detachable connection mode, for example, a riveting, bonding or other non-detachable connection mode can be used for connection, and the connection mode of the side lamp plate 500 and the mounting seat 420 can also be a detachable connection mode, for example, a clamping, inserting, screw locking or other detachable connection mode can be used for connection, preferably, the connection mode of the side lamp plate 500 and the mounting seat 420 is a detachable connection mode, which is convenient for subsequent replacement of the side lamp plate 500.

[0039] In order to ensure that the corn lamp is not eroded by mosquitoes or dust during use, in some embodiments, the corn lamp further comprises a plurality of side lamp covers 600, each side lamp cover 600 is connected with the heat sink 400 and covers each side lamp plate 500 respectively.

[0040] In addition, please refer to Figure 3 and Figure 4 The side lamp cover 600 is provided with an abutting rib 610 on the side facing the side lamp plate 500, and the abutting rib 610 abuts against the side lamp plate 500, so that the side lamp plate 500 is fixed on the mounting seat 420 under the abutting of the abutting rib 610 of the side lamp cover 600, and the installation is convenient.

[0041] In some embodiments, please refer to Figure 5The connecting piece 200 is also provided with a plurality of through holes 220, and one end of each side lamp plate 500 extends into the other side of the connecting piece 200 through the corresponding through hole 220. In this way, the side lamp plate 500 located on one side of the connecting piece 200 is convenient for electrically connected with the driving circuit board 300 arranged on the connecting piece 200 through the electric cable, and the side lamp plate 500 can directly extend into the mounting seat 420 through the through hole 220. When replacing the side lamp plate 500, the side lamp cover 600 can not be disassembled, and the side lamp plate 500 can be directly inserted into the through hole 220 to complete the replacement of the side lamp plate 500, which is convenient for users to maintain.

[0042] In some embodiments, the mounting seat 420 has two clamping grooves 430, which are arranged along the length direction of the heat dissipation seat 400 and located on both sides of the side lamp plate 500. The side lamp cover 600 has two clamping ribs 620 arranged along the length direction thereof, and the two clamping ribs 620 are clamped and matched with the corresponding clamping grooves 430. Through the clamping and matching of the two clamping grooves 430 and the two clamping ribs 620, the mounting can be completed without the aid of tools, and the process is simple and the assembly is convenient.

[0043] In order to ensure that the corn lamp also has light source illumination in the bottom area after installation, in the present embodiment, the corn lamp further comprises a top lamp plate 700, which is installed at one end of the heat dissipation seat 400 away from the driving circuit board 300, and the top lamp plate 700 is electrically connected with the driving circuit board 300. In addition, the corn lamp further comprises a top lamp cover 710, which is detachably connected with the heat dissipation seat 400 and covers the top lamp plate 700. In this way, the area under the corn lamp is also provided with illumination, so that the user can get better illumination effect after using the corn lamp.

[0044] In some embodiments, the surface of each heat dissipation seat 400 is provided with a heat dissipation groove 440 arranged along the length direction of the heat dissipation seat 400. By arranging the heat dissipation groove 440, the heat dissipation area of the heat dissipation seat 400 can be increased, the heat dissipation efficiency of the heat dissipation seat 400 can be improved, and the heat dissipation seat 400 has better heat dissipation effect.

[0045] Considering that the shape of the heat dissipation seat 400 is a long cylindrical structure, in order to facilitate the manufacturing of the heat dissipation seat 400, in the present embodiment, the heat dissipation seat 400 is made of aluminum alloy material by one-time extrusion molding. The aluminum alloy material has the advantages of light weight and high heat conduction efficiency, which can make the overall weight of the corn lamp light, and has good heat dissipation effect during long time use, thereby ensuring the service life of the corn lamp.

[0046] The above only describes some or preferred embodiments of the present application, neither the text nor the drawings can limit the scope of protection of the present application, any equivalent structural transformation or direct / indirect application in other related technical fields under the concept of the whole present application and the contents of the present application and the drawings are included in the scope of protection of the present application.

Claims

1. A corn lamp, characterized in that, The corn lamp includes: Lamp holder (100), one end of which is used for electrical connection with an external power source; A connector (200) is provided with a through hole (210) extending through its thickness direction. The connector (200) is connected to the lamp holder (100), and the lamp holder (100) covers the through hole (210). A drive circuit board (300) is disposed on the connector (200) and is electrically connected to the lamp holder (100). A heat sink (400) is provided, one end of which is connected to the connector (200). The heat sink (400) extends at least partially through the through hole (210) and abuts against the drive circuit board (300). Multiple side lamp plates (500) are arranged at intervals on the outer peripheral wall of the heat sink (400), and each side lamp plate (500) is also electrically connected to the drive circuit board (300).

2. The corn lamp according to claim 1, characterized in that, The heat sink (400) is cylindrical and its outer peripheral wall is provided with a plurality of heat sink ribs (410) that extend radially at intervals. Each heat sink rib (410) has a mounting base (420) at one end away from the central axis of the heat sink (400), and each side lamp plate (500) is respectively mounted on the mounting base (420).

3. The corn lamp according to claim 2, characterized in that, The corn lamp also includes multiple side lamp covers (600), each of which is connected to the heat sink (400) and covers each of the side lamp plates (500).

4. The corn lamp according to claim 3, characterized in that, The side lamp cover (600) facing the side lamp plate (500) is provided with a top rib (610), and the top rib (610) is provided to abut against the side lamp plate (500).

5. The corn lamp according to claim 2, characterized in that, The connector (200) is also provided with a plurality of through holes (220), and one end of each side lamp plate (500) extends from one side of the connector (200) through the corresponding through hole (220) to the other side of the connector (200).

6. The corn lamp according to claim 3, characterized in that, The mounting base (420) has two snap-fit ​​slots (430), which extend along the length of the heat sink (400) and are located on both sides of the side lamp plate (500). Both sides of the side lamp cover (600) have snap-fit ​​ribs (620) extending along their length, and the two snap-fit ​​ribs (620) engage with the corresponding snap-fit ​​slots (430).

7. The corn lamp according to claim 1, characterized in that, The corn lamp also includes a top light plate (700), which is installed on one end of the heat sink (400) facing away from the drive circuit board (300) and is electrically connected to the drive circuit board (300).

8. The corn lamp according to claim 7, characterized in that, The corn lamp also includes a top lamp cover (710), which is detachably connected to the heat sink (400) and covers the top lamp plate (700).

9. The corn lamp according to claim 1, characterized in that, Each of the heat sinks (400) has a heat dissipation groove (440) on its surface, and the heat dissipation groove (440) extends along the length direction of the heat sink (400).

10. The corn lamp according to claim 1, characterized in that, The heat sink (400) is made of aluminum alloy material through a one-time extrusion molding process.

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