CN107859889A - A kind of flat LED lamp - Google Patents

Abstract

The invention discloses a kind of flat LED lamp, including the air cooling equipment of LED body and connection LED body, air cooling equipment includes air cooling equipment shell, the cooling fan in air cooling equipment shell and the motor for connecting cooling fan；Air cooling equipment shell is provided with the first breach and the second breach, and air cooling equipment enclosure connects extraneous, the second breach connection LED body by the first breach；Motor driving cooling fan rotation, outside air are entered in air cooling equipment shell by the first breach, and the wind that cooling fan is formed blows to LED body from the second breach, realizes and accelerates to radiate to LED body.The present invention uses above structure, and structure is reliable, simple, saves space, realizes the miniaturization of high-power flat LED.

Description

A flat LED lamp

technical field

The present invention relates to the technical field of lighting fixtures, in particular to a flat panel LED lamp (LED: Light Emitting Diode, light emitting diode).

Background technique

At present, the known lighting fixtures all use natural heat dissipation to dissipate heat generated by the light-emitting parts by increasing the heat dissipation area and increasing the contact with the air. However, the core components of lighting products generate a lot of heat during work. This natural heat dissipation method has a slow heat dissipation speed and poor effect, which seriously affects the use and life of lighting products. Moreover, the heating of lighting fixtures during the lighting process increases the temperature of the product, which in turn seriously affects the use effect of the lighting fixtures: the luminous effect is seriously reduced, and finally causes energy waste. Existing lighting fixtures, especially LED flat panel lighting, require a large number of light-emitting components. These LED light-emitting bodies generate a lot of heat during use, resulting in reduced product performance and energy waste. Due to poor heat dissipation, the heat cannot be dissipated. Severely limit the size of flat-panel LED lamps, the power of lamps is low, and the production of high-power flat-panel LED lamps cannot be realized.

Contents of the invention

The purpose of the present invention is to disclose a flat LED lamp, which solves the problem that the existing high-power flat LED lamp generates a large amount of heat and has poor cooling effect.

To achieve the above object, the present invention adopts the following technical solutions:

A flat panel LED lamp, comprising an LED lamp body and an air cooling device connected to the LED lamp body, the air cooling device comprising an air cooling device shell, a cooling fan disposed in the air cooling device shell and a motor connected to the cooling fan; the air cooling device shell There is a first gap and a second gap, the inside of the air-cooling device casing is connected to the outside world through the first gap, and the second gap is connected to the LED lamp body; the motor drives the cooling fan to rotate, and the outside air enters the air-cooling device casing through the first gap. The wind formed by the cooling fan blows to the LED lamp body from the second gap, so as to accelerate the heat dissipation of the LED lamp body.

Further, the LED lamp body includes a flat panel lamp heat sink, an LED lamp bead substrate disposed on the flat panel lamp heat sink, an LED lamp bead concentrator disposed on the LED lamp bead substrate, and an LED lamp bead concentrator covering the LED lamp bead concentrator. The cover plate of the lamp; the second gap is facing the whole composed of the heat sink plate of the flat panel lamp, the LED lamp bead substrate, the LED lamp bead concentrator and the lamp cover plate, and the air coming out of the second gap flows to the gap of the whole body.

Further, the air-cooling device also includes a transmission shaft connected to the motor through a coupling, a bearing sleeved on the transmission shaft, and cooling fan end covers arranged at both ends of the cooling fan; the transmission shaft is fixed on the In the hole of the housing of the air-cooling device described above, the transmission shaft is rotated relative to the housing of the air-cooling device; at the same time, the transmission shaft is connected to the central hole on the cooling fan end cover, so that the motor drives the cooling fan to rotate through the transmission shaft and the cooling fan end cover.

Further, the blades on the cooling fan form an air duct with the inside of the housing of the air-cooling device, and the blades rotate to drive air into the air duct through the first gap, and the air in the air duct enters the air duct from the horn-shaped second gap. In the gap of the LED lamp body.

Further, the air duct is wedge-shaped.

Compared with prior art, the beneficial effect of the present invention:

The present invention adopts the structure of the air-cooling device, and adds a small-sized air-cooling device to the traditional flat-panel LED lamp, which can solve the heat dissipation of the flat-panel LED lamp body, thereby realizing small-sized, high-power flat-panel LED lamps. The LED lamp body and air-cooling device are all built into an integrated package, the structure is reliable, simple, space-saving, and the miniaturization of high-power flat-panel LED lamps is realized. The air-cooling device is all built-in integrated packaging, with simple structure, low manufacturing precision requirements, low installation requirements, improved safety in use, small size, and can be widely used in the cooling of heating devices, which are core components of various electronic products, to ensure the safety of electronic products. safety. The invention has a simple and compact structure, and is a high-power flat-panel LED lamp with low manufacturing precision and installation requirements, convenient operation and safety.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic front view of an embodiment of a flat panel LED lamp of the present invention;

Fig. 2 is a schematic left view of Fig. 1;

Fig. 3 is a top view schematic diagram of Fig. 1;

Fig. 4 is a schematic cross-sectional view of the lamp panel structure of the LED lamp body in Fig. 1;

Fig. 5a is a three-dimensional schematic diagram of scheme 1 of the cooling fan in Fig. 1;

Figure 5b is a schematic front view of Figure 5a;

Figure 5c is a schematic bottom view of Figure 5b;

Fig. 6a is a three-dimensional schematic diagram of scheme 2 of the cooling fan in Fig. 1;

Figure 6b is a schematic front view of Figure 6a;

Figure 6c is a schematic bottom view of Figure 6b;

FIG. 7 is a schematic perspective view of the housing of the air cooling device in FIG. 1 .

In the figure, 100-air cooling device; 1-motor; 2-coupling; 3-bearing; 4-transmission shaft; 5-air cooling device shell; 51-first gap; 52-second gap; 6-cooling Fan end cover; 7-cooling fan; 71-blade; 200-LED lamp body; 8-panel lamp cooling plate; 9-LED lamp bead substrate;

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

As shown in FIGS. 1 to 7 , an embodiment of a flat panel LED lamp includes an LED lamp body 200 and an air cooling device 100 connected to the LED lamp body 200 . The air-cooling device 100 includes an air-cooling device housing 5, a cooling fan 7 disposed in the air-cooling device housing 5 and a motor 1 connected to the cooling fan 7. The air-cooling device 5 housing is provided with a first gap 51 and a second gap 52, The inside of the air-cooling device housing 5 is connected to the outside world through the first gap 51, the second gap 52 is connected to the LED lamp body 200, the motor 1 drives the cooling fan 7 to rotate, and a low pressure is formed in the air-cooling device housing 5, and the high-pressure air from the outside passes through the first gap 51 Entering into the housing 5 of the air-cooling device, the wind formed by the cooling fan 7 blows to the LED lamp body 200 from the second gap 52 to accelerate the heat dissipation of the LED lamp body 200 .

The LED lamp body 200 includes a panel lamp heat sink 8, an LED lamp bead substrate 9 disposed on the panel lamp heat sink 8, an LED lamp bead concentrator 10 disposed on the LED lamp bead substrate 9, and an LED lamp bead concentrator covered on the LED lamp bead condenser. The lamp cover plate 11 on the body. The second notch 52 faces the whole composed of the heat sink plate 8 of the flat panel lamp, the LED bead substrate 9 , the LED bead concentrator 10 and the lamp cover 11 , and the air coming out of the second notch 52 flows into the gap of the whole.

As a further description of this embodiment, the air cooling device 100 also includes a transmission shaft 4 connected to the motor 1 through a coupling 2, a bearing 3 sleeved on the transmission shaft 4, and cooling fan end covers 6 arranged at both ends of the cooling fan 7 . The transmission shaft 4 is fixed in the hole of the air-cooling device housing 5 through the bearing 3 to realize rotation relative to the air-cooling device housing 5 . At the same time, the transmission shaft 4 is connected to the central hole on the cooling fan end cover 6, so that the motor 1 drives the cooling fan 7 to rotate through the transmission shaft 4 and the cooling fan end cover 6. In this embodiment, the blades 71 on the cooling fan 7 and the inside of the air-cooling device housing 5 form an air duct with a wedge-shaped structure. The motor 1 rotates and drives the cooling fan 7 to rotate, and the blades on the cooling fan 7 stir the air. A low pressure is formed, and the high-pressure air from the outside enters between the blades on the cooling fan 7, and the blades rotate to drive the air into the air duct, thereby forming a circulation; the air in the air duct enters the gap of the LED lamp body 200 from the horn-shaped second gap 52, and drives The air in the LED lamp body 200 flows, and the flowing air takes away the heat on the surface of the heat sink plate 8 of the flat lamp, thereby accelerating the cooling of the heat sink plate 8 of the flat lamp, so that the overall temperature rise of the lamp is limited, thereby ensuring the heat dissipation effect of this embodiment. Good heat dissipation can realize the design and production of high-power flat-panel lamps, and can realize the miniaturization of flat-panel LED lamps.

For other structures of this embodiment, refer to the prior art.

The present invention is not limited to the above-mentioned embodiments, if the various changes or modifications of the present invention do not depart from the spirit and scope of the present invention, if these changes and modifications belong to the claims of the present invention and the equivalent technical scope, then the present invention is also It is intended that such modifications and variations are included.

Claims (5)

1. a kind of flat LED lamp, it is characterized in that：Air cooling equipment including LED body and connection LED body, air cooling equipment Including air cooling equipment shell, the cooling fan in air cooling equipment shell and the motor for connecting cooling fan；Outside air cooling equipment Shell is provided with the first breach and the second breach, and air cooling equipment enclosure connects extraneous, the second breach connection by the first breach LED body；Motor driving cooling fan rotation, outside air are entered in air cooling equipment shell by the first breach, cool down wind It is fan-shaped into wind blow to LED body from the second breach, realize and accelerate to radiate to LED body.

A kind of 2. flat LED lamp according to claim 1, it is characterised in that：The LED body radiates including flat lamp Plate, the LED lamp beads substrate on flat board light heat radiation board, the LED lamp bead condensing body in LED lamp beads substrate and it is covered in Lamp cover board on LED lamp bead condensing body；The second breach face flat board light heat radiation board, LED lamp beads substrate, LED lamp bead are gathered The entirety of body of light and lamp cover board composition, from space overall described in the air flow of the second breach out.

A kind of 3. flat LED lamp according to claim 1, it is characterised in that：The air cooling equipment also includes passing through shaft coupling Connect the power transmission shaft of the motor, the bearing being sheathed on power transmission shaft and located at the cooling fan end at the cooling fan both ends Lid；Power transmission shaft is fixed on by bearing in the hole of the air cooling equipment shell, realizes that power transmission shaft rotates relative to air cooling equipment shell； Power transmission shaft connects with the centre bore on cooling fan end cap simultaneously, and it is cold to realize that motor is driven by power transmission shaft and cooling fan end cap But fan rotates.

A kind of 4. flat LED lamp according to claim 1, it is characterised in that：Blade and the wind in the cooling fan Device for cooling enclosure forms air channel, and blade, which rotates, to be driven air over first breach and enter air channel, the air in air channel Enter from horn-like second breach in the space of the LED body.

A kind of 5. flat LED lamp according to claim 1, it is characterised in that：The wedge shaped structure in air channel.