Cooling device for COB light source

Abstract

The utility model relates to the technical field of heat dissipation devices, and discloses a heat dissipation device for a COB (Chip On Board) light source, which comprises a light source body, an annular shell is fixedly mounted on the light source body, and an air injection hole is formed in the annular shell; a filter screen is fixedly mounted in the circular ring shell, and a double-end motor is fixedly mounted on the filter screen; one end of a driving shaft of the double-end motor is fixedly sleeved with fan blades, and the other end of the driving shaft of the double-end motor is connected with an auxiliary heat dissipation mechanism used for conducting heat dissipation on the periphery of the annular shell. According to the heat dissipation device for the COB light source, the auxiliary heat dissipation mechanism is arranged so that auxiliary heat dissipation can be carried out on the circular ring shell during heat dissipation, the heat dissipation comprehensiveness can be improved, and the heat dissipation effect can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat dissipation device field especially relates to a COB light source heat dissipation device. BACKGROUND

[0002] COB light source is high power integrated surface light source, and the high light efficiency integrated surface light source technology that LED chip is directly pasted on the mirror metal substrate of high reflectivity, this technology eliminates the support concept, no electroplating, no reflow soldering, no patching process, and meanwhile COB light source can design the light emitting area and the appearance size of light source according to product appearance structure.

[0003] And the existing COB light source when using, usually rely on through the natural convection and radiation effect of fin, the heat generated by LED chip is dissipated to the air, some still adopt the heat conduction performance of metal and other heat conductive materials, the heat generated by LED chip is conducted to the radiator, and then the heat is dissipated through the heat dissipation area of radiator, but although all can dissipate heat, but the heat dissipation effect is limited, and the shell of COB light source is also at a certain temperature due to temperature conduction or radiation, thereby affecting the heat dissipation effect.

[0004] To solve the above problems, a COB light source heat dissipation device is provided in the application. UTILITY MODEL CONTENTS

[0005] (I) Utility model purpose

[0006] To solve the technical problems in the background art, the utility model provides a COB light source heat dissipation device, which is provided with an auxiliary heat dissipation mechanism to assist in heat dissipation of the circular ring shell, increase the comprehensiveness of heat dissipation, and improve the heat dissipation effect.

[0007] (II) Technical scheme

[0008] To solve the above problems, the utility model provides a COB light source heat dissipation device, which comprises a light source body, a circular ring shell is fixedly installed on the light source body, and a jet hole is formed in the circular ring shell.

[0009] The inside of the circular ring shell is fixedly installed with a filter screen, and the filter screen is fixedly installed with a double-head motor.

[0010] One end of the driving shaft of the double-head motor is fixedly sleeved with a fan blade, and the other end is connected with an auxiliary heat dissipation mechanism for heat dissipation of the outer periphery of the circular ring shell.

[0011] Preferably, the auxiliary heat dissipation mechanism includes a right-angle rod, a ring shell, and a guide plate. One end of the right-angle rod is fixedly connected to the drive shaft of the dual-head motor away from the fan blades, and the other end of the right-angle rod is fixedly connected to the ring shell. The ring shell is located outside the light source body, and a through hole is provided on the ring shell. The guide plate is fixedly installed on the ring shell.

[0012] Preferably, the guide plate is an arc-shaped guide plate.

[0013] Preferably, a connecting frame is fixedly connected to the top of the annular shell, and one end of the connecting frame is located below the annular shell and is fixedly connected to a base.

[0014] Preferably, the height of the annular shell is less than the height of the circular annular shell.

[0015] The above-mentioned technical solution of this utility model has the following beneficial technical effects:

[0016] The dual-head motor drives the fan blades to blow air towards the light source body, which plays a role in heat dissipation. The dual-head motor drives the right-angle rod and the ring shell to rotate. At this time, the guide plate guides the air to blow onto the outer circumference of the ring shell, which plays a role in auxiliary heat dissipation and increases the heat dissipation effect. Attached Figure Description

[0017] Fig. 1 This is a schematic diagram of the structure of a heat dissipation device for a COB light source proposed in this utility model.

[0018] Fig. 2 This is a partial side cross-sectional view of a heat dissipation device for a COB light source proposed in this utility model.

[0019] Reference numerals: 1. Light source body; 2. Circular shell; 3. Filter screen; 4. Dual-head motor; 5. Fan blade; 6. Auxiliary heat dissipation mechanism; 61. Right-angle rod; 62. Circular shell; 63. Guide plate; 7. Connecting frame; 8. Base. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this utility model. Furthermore, descriptions of well-known structures and technologies are omitted in the following description to avoid unnecessarily obscuring the concept of this utility model.

[0021] like Figs. 1-2 As shown, the present invention proposes a heat dissipation device for a COB light source, including a light source body 1, a circular shell 2 fixedly installed on the light source body 1, and an air jet hole opened on the circular shell 2.

[0022] The double-head motor 4 is fixedly installed on the inner part of the circular ring shell 2.

[0023] One end of the driving shaft of the double-head motor 4 is fixedly sleeved with the fan blade 5, and the other end is connected with an auxiliary heat dissipation mechanism 6 for heat dissipation of the outer periphery of the circular ring shell 2.

[0024] In an optional embodiment, the auxiliary heat dissipation mechanism 6 comprises a right-angle rod 61, a ring shell 62 and a guide plate 63, one end of the right-angle rod 61 is fixedly connected with the double-head motor 4 away from the driving shaft of the fan blade 5, the other end of the right-angle rod 61 is fixedly connected with the ring shell 62, the ring shell 62 is located outside the light source body 1, the ring shell 62 is provided with a through hole, and the guide plate 63 is fixedly installed on the ring shell 62.

[0025] Further, the guide plate 63 is an arc-shaped guide plate.

[0026] It should be noted that the number of the guide plate 63 is multiple, and the multiple guide plates 63 are distributed at equal intervals.

[0027] In an optional embodiment, the top of the circular ring shell 2 is fixedly connected with a connecting frame 7, one end of the connecting frame 7 is located below the circular ring shell 2 and is fixedly connected with a base 8.

[0028] It should be noted that the base 8 plays an auxiliary supporting role.

[0029] In an optional embodiment, the height value of the ring shell 62 is less than the height value of the circular ring shell 2.

[0030] It should be noted that the rotation of the ring shell 62 can assist in blowing and heat dissipation of the outer periphery of the circular ring shell 2 through the guide plate 63.

[0031] In the utility model, the double-head motor 4 drives the fan blade 5 to blow towards the light source body 1, so as to play a heat dissipation role, the driving of the double-head motor 4 drives the right-angle rod 61 and the ring shell 62 to rotate, at this time, the guide plate 63 guides the wind to blow on the outer periphery of the circular ring shell 2, so as to play an auxiliary heat dissipation role and increase the heat dissipation effect.

[0032] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model shall be included in the protection scope of the utility model. In addition, the appended claims of the utility model aim to cover all changes and modifications falling within the scope and boundary of the appended claims or the equivalent forms of such scope and boundary.

Claims

1. A heat dissipating device for a COB light source, comprising a light source body (1), characterized in that: The circular ring shell (2) is fixedly installed on the light source body (1), and a gas injection hole is formed in the circular ring shell (2); The filter screen (3) is fixedly installed in the circular ring shell (2), and the double-head motor (4) is fixedly installed on the filter screen (3); One end of the driving shaft of the double-head motor (4) is fixedly sleeved with the fan blade (5), and the other end is connected with the auxiliary heat dissipation mechanism (6) for dissipating heat from the outer periphery of the circular ring shell (2).

2. The heat dissipation device for COB light source according to claim 1, characterized in that, The auxiliary heat dissipation mechanism (6) comprises a right-angle rod (61), a ring shell (62) and a flow guide plate (63), one end of the right-angle rod (61) is fixedly connected with the driving shaft of the double-head motor (4) away from the fan blade (5), the other end of the right-angle rod (61) is fixedly connected with the ring shell (62), the ring shell (62) is located outside the light source body (1), a through hole is formed in the ring shell (62), and the flow guide plate (63) is fixedly installed on the ring shell (62).

3. The heat dissipating device for COB light source according to claim 2, characterized in that, The flow guide plate (63) is an arc-shaped flow guide plate.

4. The heat dissipating device for COB light source according to claim 3, characterized in that, The top of the circular ring shell (2) is fixedly connected with the connecting frame (7), one end of the connecting frame (7) is located below the circular ring shell (2), and the base (8) is fixedly connected.

5. The heat dissipating device for COB light source according to claim 4, characterized in that, The height of the ring shell (62) is less than the height of the circular ring shell (2).

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