CN218993154U - LED panel lamp capable of dispersing and radiating - Google Patents

Abstract

The utility model belongs to the technical field of LED panel lamps, and aims to solve the technical problem that the LED panel lamps burst due to poor heat dissipation in a humid environment and a high-temperature environment of the existing LED panel lamps. The utility model provides a scattered heat dissipation LED panel lamp; the LED panel lamp is divided into a lamp box and a lamp cover, the lamp cover is arranged on the lamp box, a first heat dissipation installation base plate and a light-emitting plate are further arranged between the bottom of the lamp box and the lamp cover in sequence, the light-emitting plate is arranged between the first heat dissipation installation base plate and the lamp cover, the first heat dissipation installation base plate and the light-emitting plate divide the lamp box into a heat collection cavity, an LED lamp bead installation cavity and a wiring cavity along the direction from the lamp cover to the bottom of the lamp box, heat generated by LED lamp beads, electronic elements and the like is dispersed into different spaces, local overhigh temperature is avoided, and meanwhile, the lamp box of the LED panel lamp is divided into a multi-layer isolation cavity for avoiding abnormal conditions such as burst, short circuit and the like caused by direct contact of the internal structure of the LED panel lamp with the external severe environment, so that the service life and the use safety of the LED panel lamp are ensured.

Description

LED panel lamp capable of dispersing and radiating

Technical Field

The utility model belongs to the technical field of LED panel lamps, and particularly relates to a scattered heat dissipation LED panel lamp.

Background

The LED panel lamp is embedded in the ceiling, the light downward-projecting type illumination lamp is one of indoor common lamps, in order to ensure the integral uniformity of the LED panel lamp and the building decoration, the size of the LED panel lamp on the market is generally consistent with the size of a buckle plate of the building decoration material, such as: the specification sizes of the LED panel lamps are 300mm multiplied by 300mm, 300mm multiplied by 600mm, 400mm multiplied by 400mm, 400mm multiplied by 800mm and the like.

The existing LED panel lamp and a buckle plate of the building decoration are integrated, and the fixing mode of the LED panel lamp is mainly that the LED panel lamp is abutted with the top surface keel and the edge of the adjacent buckle plate, so that the LED panel lamp is prevented from sliding off; the installation mode has the characteristics of rapidness, convenience and good stability, but when non-installation personnel replace the LED panel lamp, the installation mode has high disassembly and installation difficulty, even causes the pinch plate of the ceiling keel where the LED panel lamp is located to fall along with the panel lamp, and has certain safety risk; meanwhile, as the main use space of the LED panel lamp is a kitchen and a bathroom, the use environment of the LED panel lamp is biased to be moist and high temperature; for how to improve the radiating effect of the LED panel lamp, the problem of safety caused by easy bursting of the LED panel lamp in a humid and high-temperature environment is an important direction of the development of the LED panel lamp.

Disclosure of Invention

In view of the above, the utility model provides a scattered heat dissipation LED panel lamp, which is used for solving the technical problem that the LED panel lamp bursts due to poor heat dissipation in a humid environment and a high-temperature environment of the existing LED panel lamp.

The technical scheme adopted by the utility model is as follows:

the utility model provides a scattered heat dissipation LED panel lamp, which comprises a lamp box and a lamp cover, wherein the lamp cover is covered on the lamp box, a light emitting plate and a first heat dissipation installation substrate are arranged in the lamp box, the light emitting plate and the first heat dissipation installation substrate are distributed up and down, and the light emitting plate and the first heat dissipation installation substrate divide the lamp box into a heat collection cavity, an LED lamp bead installation cavity and a wiring cavity from top to bottom; the light-emitting plate is positioned between the lamp cover and the first heat-dissipating substrate.

Preferably, the inner side wall of the lamp box is provided with a first expansion edge, the first expansion edge is laid on the inner side wall of the lamp box, and the first expansion edge is located between the first heat dissipation installation substrate and the lamp cover.

Preferably, the first extension edge comprises a second heat dissipation installation substrate positioned on the outer ring and a first installation part positioned on the inner ring, and the light-emitting plate is adhered and fixed on the first installation part.

Preferably, a second expansion edge is arranged on the top of the lamp box along the inner side wall, and the lamp cover is attached and fixed with the second expansion edge.

Preferably, a side plate is arranged between the second mounting substrate and the first mounting portion, and a heat dissipation mechanism is arranged between the second heat dissipation mounting substrate, the side plate and the lamp box.

Preferably, the heat dissipation mechanism includes a plurality of first heat dissipation holes and water conservancy diversion passageway, first heat dissipation hole sets up on the curb plate, the heat collection chamber with the water conservancy diversion passageway is through first heat dissipation hole intercommunication, the second heat dissipation mounting substrate is the bottom surface board of water conservancy diversion passageway, the second heat dissipation substrate is facing away from be fixed with a plurality of electronic components on the bottom surface of water conservancy diversion passageway dispersedly.

Preferably, the heat dissipation mechanism further includes a plurality of second heat dissipation holes, and the second heat dissipation holes are uniformly arranged along the second heat dissipation mounting substrate.

Preferably, at least one LED strip is installed on one surface of the first heat dissipation installation substrate facing the light-emitting panel, a plug terminal is installed on the other surface of the first heat dissipation installation substrate, two end channel wires of the LED strip are connected to the plug terminal, and the connection terminal is in heat conduction connection with the diversion channel through the first heat dissipation installation substrate.

Preferably, the electronic element is electrically connected with the LED lamp through the wiring terminal.

Preferably, a light guide plate is further arranged between the first heat dissipation mounting substrate and the first expansion edge, and the light guide plate, the first heat dissipation mounting substrate, the first expansion edge and the side wall of the lamp box are connected with each other to form a closed mounting cavity.

The beneficial effects are that:

the utility model provides a scattered heat dissipation LED panel lamp, which is divided into a lamp box and a lamp cover, wherein a first heat dissipation installation substrate and a light-emitting plate are sequentially arranged between the bottom of the lamp box and the lamp cover, the light-emitting plate is positioned between the first heat dissipation installation substrate and the lamp cover, the first heat dissipation installation substrate and the light-emitting plate divide the lamp box into a heat collection cavity, an LED lamp bead installation cavity and a wiring cavity along the direction from the lamp cover to the bottom of the lamp box, a heat collection cavity is formed between the lamp cover and the light-emitting plate, a buffer area is formed between the outside environment temperature and humidity where the lamp cover is positioned and the light-emitting plate, the light-emitting plate is prevented from being directly positioned in the outside environment with high temperature and high humidity, meanwhile, the lamp cover burst caused by direct contact of the heat generated by LED lamp beads, electronic elements and the like can be prevented, the local overhigh temperature is prevented, and meanwhile, the lamp box of the LED panel lamp is divided into a plurality of layers of isolation cavities in order to prevent the abnormal conditions such as burst and short circuit caused by direct contact of the inside structure of the LED panel lamp with the outside severe environment, and the service life and the service safety of the LED panel lamp are ensured.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings required to be used in the embodiments of the present utility model will be briefly described, and it is within the scope of the present utility model to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a dispersed heat dissipation LED panel lamp of the present utility model;

FIG. 2 is a schematic view of a partial cross section of an LED panel lamp of the present utility model;

fig. 3 is a schematic structural diagram of a heat dissipation structure of the LED panel lamp of the present utility model;

reference numerals illustrate:

1. a lamp box; 2. a lamp cover; 11. a light emitting panel; 12. a first heat dissipation mounting substrate; 13. a second heat dissipation mounting substrate; 14. a heat collection chamber; 15. LED lamp bead mounting cavity; 16. a wiring cavity; 17. a connection terminal; 18. a second heat radiation hole; 19. a first heat radiation hole; 20. a diversion channel; 21. LED lamp beads; 22. a first mounting portion; 23. a light guide plate; 24. an electronic component.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. If not conflicting, the embodiments of the present utility model and the features of the embodiments may be combined with each other, which are all within the protection scope of the present utility model.

Example 1

As shown in fig. 1, the embodiment of the utility model discloses a scattered heat dissipation LED panel lamp, which is exemplified by a rectangular LED panel lamp, and the shape of the LED panel lamp protected herein is not limited to the rectangular LED panel lamp which is convenient to be discussed herein; the LED panel lamp comprises a lamp box 1 and a lamp cover 2, wherein the lamp cover 2 is covered on the lamp box 1, the lamp cover 2 comprises a light-transmitting plate and a protective film, a light-emitting plate 11 and a first heat-dissipation mounting substrate 12 are sequentially arranged in the lamp box 1 along the direction from the lamp cover 2 to the bottom of the lamp box 1, an inner space formed by the light-emitting plate 11 and the lamp cover 2 is divided into an upper cavity, a middle cavity and a lower cavity by the light-emitting plate 11 and the first heat-dissipation mounting substrate 12, a heat-collecting cavity 14 is formed between the light-emitting plate 11 and the lamp cover 2, an LED lamp bead mounting cavity is formed between the light-emitting plate 11 and the first heat-dissipation mounting substrate 12, a wiring cavity 16 is formed between the first heat-dissipation mounting substrate 12 and the bottom surface of the lamp box 1, and the first heat-dissipation mounting substrate 12 is positioned below the light-emitting plate 11.

In an embodiment, as shown in fig. 2 and fig. 3, the inner side wall of the lamp box 1 is provided with a first expansion edge, the first expansion edge is laid on the inner side wall of the lamp box 1, that is, the first expansion edge corresponding to the rectangular LED panel lamp is a rectangular frame, the first expansion edge is divided into an inner ring and an outer ring, the outer ring is marked as a second heat dissipation mounting substrate 13, the inner ring is marked as a first mounting portion 22, a side plate is arranged between the first mounting portion 22 and the second heat dissipation mounting substrate 13, a heat dissipation mechanism is arranged between the side plate, the second heat dissipation mounting substrate 13 and the lamp box 1, as shown in fig. 2 and fig. 3, the heat dissipation mechanism comprises a flow guide channel 20, a first heat dissipation hole 19 and a second heat dissipation hole 18, the second heat dissipation hole 18 is uniformly arranged along the second heat dissipation mounting substrate 13, the first heat dissipation hole 19 is arranged along the side plate, and the heat in the heat collecting cavity 14 is LED into the flow guide channel 20 through the first heat dissipation hole 19, thereby leading out of the LED panel lamp, cooling of the LED panel lamp, especially cooling of the light-emitting plate 11 and the lamp cover 2, cooling the lamp cover 2 is avoided, and the safety performance of the LED panel lamp is improved under overheat and over-wet panel lamp.

In an embodiment, as shown in fig. 3, the second heat dissipation mounting substrate 13 is used for dispersing and mounting a plurality of electronic components 24, so as to avoid the influence of concentrated heat generation of the electronic components 24 on the service life of the electronic components, the electronic components 24 are disposed on the second heat dissipation mounting substrate 13 and are located at the back of the flow guiding channel 20, and the heat generated by the electronic components 20 enters the flow guiding channel 20 through the second heat dissipation holes 18, so as to accelerate the heat dissipation of the electronic components 20. At least one LED lamp strip with a plurality of LED lamp beads 21 is arranged on one surface of the first heat dissipation installation substrate 12 facing the light-emitting plate 11, a wiring terminal 17 is arranged on the first heat dissipation installation substrate 16 positioned in the wiring cavity 16, namely, the other surface of the first heat dissipation installation substrate facing away from the LED lamp strip, the wiring terminal 17 conducts heat to the flow guide channel 20 through the first heat dissipation installation substrate 16, the LED lamp beads 21 are electrically connected with the electronic element 24 through the wiring terminal 17, and therefore the electronic element 24, the LED lamp beads 21 and the wiring terminal 17 are positioned in different heat dissipation areas, dispersed heat dissipation is achieved, and local overheating of the LED panel lamp is avoided.

In an embodiment, the flow guiding channel 20 is disposed between the heat collecting cavity 14 and the outer wall of the lamp box 1, and the flow guiding channel 20 includes a first flow guiding channel and a second flow guiding channel, where the first flow guiding channel and the second flow guiding channel are disposed opposite to each other and are located between different sides of the heat collecting cavity 14 and the outer wall of the lamp box 1; taking a rectangular LED panel lamp as an example, the first installation portion 22 is rectangular, and the first flow guiding channel and the second flow guiding channel are parallel; the first heat dissipation holes 19 may be disposed along a wall of the heat collection cavity 14 where the diversion channel 20 is located, or may be disposed along a wall of the heat collection cavity 14 where the non-diversion channel 20 is located, where the first heat dissipation holes 19 are a plurality of through holes disposed at equal intervals; when the first heat dissipation holes 19 are arranged along the cavity wall of the heat collection cavity 14 where the flow guide channels 20 are located, the first flow guide channels are not communicated with the second flow guide channels, and when the first heat dissipation holes 19 are arranged along the cavity wall of the heat collection cavity 14 where the non-flow guide channels 20 are located, the first flow guide channels are communicated with the second flow guide channels, and preferably, the first heat dissipation holes 19 are arranged along the cavity wall of the heat collection cavity 14 where the flow guide channels 20 are located.

In an embodiment, the first diversion channel is set as an air supply channel, the second diversion channel is set as an air outlet channel, the first diversion channel and the second diversion channel are respectively provided with a first motor and a second motor, air is supplied to the first diversion channel through the first motor, and air is drawn from the second diversion channel through the second motor, so that air flow of the heat collection cavity 14 is accelerated, heat is quickly introduced into the second diversion channel, and heat dissipation effect is accelerated.

In an embodiment, a circle of light guide plate 23 is disposed between the first heat dissipation mounting substrate 12 and the first mounting portion 22 of the first extension edge, and the light guide plate 23 is used for guiding the light emitted by the LED lamp beads 21 to the light emitting plate 11, so that the light emitted by the LED lamp beads 21 is more transmitted out of the LED panel lamp, the illumination effect is improved, and meanwhile, the electricity consumption is saved. In addition, the light guide plate 23, the first heat dissipation mounting substrate 12, the first expansion edge and the side wall of the lamp box are mutually connected to form a closed mounting cavity, and the closed mounting cavity at least accommodates the LED lamp bead mounting cavity 15, so that heat generated by the LED lamp beads and heat generated by other electronic components and the like are distributed in different spaces, and local overhigh temperature is avoided.

In an embodiment, the included angle between the light guide plate 23 and the first heat dissipation mounting substrate 12 is less than or equal to 90 °, which is beneficial to ensuring the light guiding effect.

In this embodiment, LED panel light divide into lamp box and lamp lid, still be equipped with first heat dissipation mounting substrate and luminescent plate in proper order between lamp box bottom and lamp lid, the luminescent plate is located between first heat dissipation mounting substrate and the lamp lid, first heat dissipation mounting substrate and luminescent plate divide into the lamp box along lamp lid to lamp box bottom direction heat collecting cavity, LED lamp pearl installation cavity and wiring chamber, form the heat collecting cavity between lamp lid and the luminescent plate, be favorable to the outside ambient temperature that the lamp lid was located, form the buffer between humidity and the luminescent plate, avoid the luminescent plate to be in the outside environment that the temperature is high, humidity is high directly, simultaneously can avoid the inside heat direct contact lamp lid of LED panel lamp work to cause the lamp lid to burst again, through dispersing the heat that produces LED lamp pearl, electronic component etc. to different spaces, avoid local temperature too high, simultaneously in order to avoid LED panel lamp inner structure direct to contact with outside adverse circumstances such as cause burst, short circuit, divide into the lamp box of LED panel light into multilayer isolation cavity, guarantee LED panel lamp's life and safety in use.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The LED panel lamp is characterized by comprising a lamp box and a lamp cover, wherein the lamp cover is covered on the lamp box, a light-emitting plate and a first heat-dissipation mounting substrate are arranged in the lamp box, the light-emitting plate and the first heat-dissipation mounting substrate are distributed up and down, and the light-emitting plate and the first heat-dissipation mounting substrate divide the lamp box into a heat collection cavity, an LED lamp bead mounting cavity and a wiring cavity from top to bottom; the light-emitting plate is located between the lamp cover and the first heat-dissipating mounting substrate.

2. The dispersed heat dissipating LED panel light of claim 1, wherein the inner side wall of the light box is provided with a first expansion edge, the first expansion edge being laid down on the inner side wall of the light box, the first expansion edge being located between the first heat dissipating mounting substrate and the light cover.

3. The dispersed heat dissipation LED panel light of claim 2, wherein the first extended edge comprises a second heat dissipation mounting substrate positioned on the outer ring and a first mounting portion positioned on the inner ring, and the light emitting panel is attached and fixed on the first mounting portion.

4. The dispersed heat dissipation LED panel light of claim 3, wherein the top of the light box is provided with a second expansion edge along the inner side wall, and the light cover is attached and fixed to the second expansion edge.

5. The dispersed heat dissipating LED panel light of claim 4, wherein a side plate is disposed between the second heat dissipating mounting substrate and the first mounting portion, and a heat dissipating mechanism is disposed between the second heat dissipating mounting substrate, the side plate, and the light box.

6. The LED panel lamp of claim 5, wherein the heat dissipation mechanism comprises a plurality of first heat dissipation holes and a flow guide channel, the first heat dissipation holes are formed in the side plates, the heat collection cavity is communicated with the flow guide channel through the first heat dissipation holes, the second heat dissipation mounting substrate is a bottom plate of the flow guide channel, and a plurality of electronic components are fixed on the bottom surface of the second heat dissipation mounting substrate, which is opposite to the flow guide channel in a dispersed manner.

7. The dispersed heat dissipating LED panel light of claim 5, wherein the heat dissipating mechanism further comprises a plurality of second heat dissipating holes disposed evenly along the second heat dissipating mounting substrate.

8. The dispersed radiating LED panel light of claim 6, wherein at least one LED light strip is arranged on one surface of the first radiating mounting substrate facing the light-emitting plate, plug terminals are arranged on the other surface of the first radiating mounting substrate, channel wires at two ends of the LED light strip are connected into the plug terminals, and the connection terminals are in heat conduction connection with the diversion channels through the first radiating mounting substrate.

9. The dispersed heat dissipating LED panel light of claim 8, wherein the electronic component is electrically connected to the LED light via the wiring terminal.

10. The dispersed heat dissipating LED panel light of any one of claims 2 to 9, wherein a light guide plate is further disposed between the first heat dissipating mounting substrate and the first extended edge, and the light guide plate, the first heat dissipating mounting substrate, the first extended edge, and the lamp box side wall are connected to each other to form a closed mounting cavity.

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