CN113375086A

CN113375086A - LED lighting device

Info

Publication number: CN113375086A
Application number: CN202110714314.8A
Authority: CN
Inventors: 陈伟文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-09-10

Abstract

The invention relates to the technical field of lighting devices and discloses an LED lighting device which comprises a protective cover, a base, a reflecting cover, a lens, an LED light-emitting group, a motor, a blowing fan, a temperature sensor, a humidity sensor and a controller, wherein a containing cavity is arranged in the base; the problem of current LED lighting device have steam to get into the internal corrosion internal circuit structure in the use easily in the bathroom, cause the circuit to destroy, lead to life shorter to and the steam condensation forms the drop of water and adheres on the lamp shade, influence illuminating effect is solved.

Description

LED lighting device

Technical Field

The invention relates to the technical field of lighting devices, in particular to an LED lighting device.

Background

The bathroom produces a lot of water smoke in the bathing process, be full of whole bathroom, and bathroom vapor when more, the water smoke molecule can be because steam rises to the bathroom top, meet cold then the condensation forms the drop of water and adheres on the object surface, and present common bathroom LED lamp on the market, all be not good because of the waterproof fog effect, water smoke gets into LED lamp internal corrosion inner circuit structure easily, cause the circuit to destroy, and then lead to the life shorter, and simultaneously, also can be because of the adhesion of vapor, can make the most light that sends absorbed, and then can not satisfy people's lighting requirements, not only influence the illuminating effect, still lead to the fact economic loss for people, in addition, because the radiating effect is unsatisfactory in the use, also can make the life-span of lamps and lanterns shorten, therefore, just need a kind of LED lighting device to solve the emergence of this type of problem.

Disclosure of Invention

The invention provides an LED lighting device which has the advantages of water resistance, fog resistance, safety, reliability and good heat dissipation effect, and solves the problems that the service life is short due to the fact that water vapor easily enters an internal circuit structure to corrode the inside when the existing LED lighting device is used in a bathroom, the circuit is damaged, and the lighting effect is influenced due to the fact that water vapor is condensed to form water drops which are adhered to a lamp cover.

The invention provides the following technical scheme: a LED lighting device comprises a protective cover, a base, a reflecting cover, a lens, an LED light-emitting group, a motor, a blowing fan, a temperature sensor, a humidity sensor and a controller, wherein a containing cavity is arranged in the base, the opening of the containing cavity is downward, the motor is fixedly connected to the central position of the top of the containing cavity, the blowing fan is fixedly connected to the output end of the motor, the temperature sensor, the humidity sensor and the controller are respectively and fixedly connected to the top of the containing cavity, the temperature sensor and the humidity sensor are respectively and electrically connected with the controller, the controller is electrically connected with the motor, the base is buckled to the top of the protective cover, the protective cover is composed of an outer shell and an inner shell, a blowing channel is formed between the outer shell and the inner shell, a lighting cavity is formed in the inner shell, and the reflecting cover is positioned in the lighting cavity, the reflector with the connection can be dismantled to the protection casing, lens can dismantle the connection on the inner shell, the quantity of LED light emitting group is three at least, LED light emitting group sets up illumination chamber top, LED light emitting group is located in the reflector, LED light emitting group is connected with the power cord, the power cord runs through illumination chamber top, the power cord is followed it upwards extends to hold the intracavity wall the base top is connected with external power source.

Preferably, protection casing top circumference array has four joint holes, the joint hole is used for connecting the reflector, joint hole outside circumference array has a plurality of air vent, air vent outside circumference array has a plurality of tuyere, tuyere outside circumference array has a plurality of screw hole, the screw hole be used for with the base links to each other.

Preferably, reflector top circumference array has four joint poles, the joint pole leans out, the joint pole upper end outside is equipped with the joint piece, the joint pole inserts the joint hole, joint piece butt is in joint hole upside.

Preferably, the lower end of the inner shell is provided with a connecting part, the connecting part is connected with the lens, a plurality of heat dissipation channels are arranged in an annular array in the outer shell, a first heat dissipation opening is formed between each heat dissipation channel and the illumination cavity in a communicating mode, a second heat dissipation opening is formed between each heat dissipation channel and the air blowing channel in a communicating mode, and the first heat dissipation opening and the second heat dissipation opening are both arranged in an outwards inclined mode.

Preferably, the upper end of the lens is provided with a connecting disc, the top of the connecting disc is provided with a butt joint ring, and the butt joint ring is in threaded connection with the inside of the connecting part.

Preferably, a first groove is formed in the lower end face of the connecting portion, a second groove is formed in the top of the connecting disc and located on the outer side of the butt joint ring, the second groove corresponds to the first groove, and a sealing ring is extruded between the first groove and the second groove.

Preferably, the base with the protection casing passes through the bolt and can dismantle the connection, base top edge annular array has a plurality of mounting hole.

Preferably, the lower end of the shell is provided with a guide part, the guide part is bent towards the inner side of the shell, and the lens is partially wrapped in the guide part.

The invention has the following beneficial effects:

firstly, the invention not only can well radiate heat but also can effectively prevent water vapor from entering in the use process, so that the whole device is very outstanding in radiating and water mist prevention, and the service life of the lighting device can be effectively ensured.

According to the invention, through the arrangement of the inner shell and the outer shell, the air blowing channel is formed between the inner shell and the outer shell, water vapor near the outer surface of the lens can be blown away through the air blowing channel, meanwhile, the influence on the illumination effect caused by the formation of water drops due to condensation on the outer surface of the lens is avoided, and partial heat generated inside the lens can be taken away through the air blowing channel, so that the effect of auxiliary heat dissipation is achieved.

The temperature sensor, the humidity sensor and the controller are arranged, the using environment of the lighting device can be detected in real time, the blower fan can be started in time to dissipate heat and blow away water vapor after the environment is changed, circuit damage caused by overhigh internal temperature or water vapor entering is avoided, the service life of the lighting device is further influenced, and the lighting device is very reliable and intelligent.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the shield according to the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a schematic top view of the reflector of the present invention;

FIG. 5 is a schematic view of a lens structure according to the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 5, an LED lighting device includes a protective cover 1, a base 2, a reflector 3, a lens 4, an LED light emitting set 5, a motor 6, a blower fan 7, a temperature sensor 8, a humidity sensor 9, and a controller 10.

Wherein, the base 2 is provided with a containing cavity 21, the containing cavity 21 has a downward opening, the motor 6 is fixedly connected with the center of the top of the containing cavity 21, the blower fan 7 is fixedly connected with the output end of the motor 6, the temperature sensor 8, the humidity sensor 9 and the controller 10 are respectively and fixedly connected with the top of the containing cavity 21, the temperature sensor 8 and the humidity sensor 9 are respectively and electrically connected with the controller 10, the controller 10 is electrically connected with the motor 6, the temperature and the humidity are detected by the temperature sensor 8 and the humidity sensor 9, and the detected signals are transmitted to the controller 10, the controller 10 controls the operation or stop of the motor 6, the base 2 is buckled on the top of the protective cover 1, the protective cover 1 is composed of an outer shell 11 and an inner shell 12, a blower passage 13 is formed between the outer shell 11 and the inner shell 12, an illumination cavity 14 is formed inside the inner shell 12, and the reflector 3 is positioned in the illumination cavity 14, the reflector 3 can be dismantled with the protection casing 1 and be connected, lens 4 can be dismantled and connect on inner shell 12, the quantity of LED light-emitting group 5 is three at least, LED light-emitting group 5 sets up at illumination chamber 14 top, LED light-emitting group 5 is located reflector 3, LED light-emitting group 5 is connected with power cord 51, power cord 51 runs through illumination chamber 14 top, power cord 51 upwards extends to base 2 top along holding the intracavity 21 inner wall and is connected with external power source.

The circumference array of the top of the protective cover 1 is provided with four clamping holes 16, the clamping holes 16 are used for connecting the reflector 3, the circumference array of the outer side of each clamping hole 16 is provided with a plurality of vent holes 15, a blowing fan 7 is used for cooling and radiating the inside of the illumination cavity 14 through the vent holes 15 and the clamping holes 16, the circumference array of the outer side of each vent hole 15 is provided with a plurality of blast ports 17, wind generated by the blowing fan 7 is blown to the blowing channel 13 through the blast ports 17 and is blown to the surface of the lens 4 through the blowing channel 13, and therefore water vapor is prevented from being generated near the surface of the lens 4 and is condensed into water beads to be adhered to the lens 4, and the illumination effect is further influenced; the tuyere 17 has a plurality of screw holes 18 circumferentially arrayed on the outer side thereof, and the screw holes 18 are adapted to be connected to the base 2.

Above-mentioned 3 top circumference arrays of reflector have four joint poles 31, and joint pole 31 leans out, and the joint pole 31 upper end outside is equipped with joint piece 32, and joint pole 31 inserts joint hole 16, and joint piece 32 butt is in 16 upsides of joint hole, the dismantlement and the installation of the reflector 3 of being convenient for.

The lower end of the inner shell 12 is provided with a connecting part 121, the connecting part 121 is connected with the lens 4, a plurality of heat dissipation channels 122 are arranged in an annular array in the outer shell 12 and used for dissipating heat in the illumination cavity 14, a first heat dissipation port 1221 is arranged between the heat dissipation channel 122 and the illumination cavity 14 in a communication mode, a second heat dissipation port 1222 is arranged between the heat dissipation channel 122 and the air blowing channel 13 in a communication mode, the first heat dissipation port 1221 and the second heat dissipation port 1222 are arranged in an outward inclined mode, and the inclined mode is used for facilitating that a small amount of water vapor accidentally entering the heat dissipation channel 122 flows out after being condensed in the heat dissipation channel 122 and cannot enter the illumination cavity 14.

The upper end of the lens 4 is provided with a connecting disc 41, the top of the connecting disc 41 is provided with a butt ring 42, and the butt ring 42 is screwed in the connecting part 122.

First recess 123 has been seted up to above-mentioned connecting portion 122 lower extreme surface, and connection pad 41 top has been seted up second recess 43, and second recess 43 is located the butt joint ring 42 outside, and second recess 43 corresponds with first recess 123, and it has sealing ring 44 to extrude between first recess 123 and the second recess 43, is favorable to preventing the entering of vapor.

Above-mentioned base 2 passes through bolt 23 with protection casing 1 and can dismantle and be connected, and base 2 top edge annular array has a plurality of mounting hole 22, and the installation of the whole lighting device of being convenient for is fixed.

Above-mentioned shell 11 lower extreme is equipped with guide part 111, and guide part 111 is crooked to shell 11 inboard, and lens 4 local parcel is in guide part 111, and the produced wind of fan 7 of being convenient for changes the flow direction in guide part 111 department through blast channel 13, forms the wind of blowing to lens 4 surface, and then can blow away the vapor of lens 4 surface annex, simultaneously, can avoid forming the drop of water and influence the illuminating effect at lens 4 surface condensation.

The working principle is as follows: when the LED illuminating device is used, an external power supply is turned on through a switch, the LED illuminating group 5 is turned on, light is irradiated out through the lens 4 by using the reflecting cover 3, the temperature and the temperature in the protective cover 1 can be detected in real time by the temperature sensor 8 and the humidity sensor 9 in the using process, after the temperature or the humidity is detected to exceed a preset value, a signal is transmitted to the controller 10, the controller 10 controls the motor 6 to work, the motor 6 drives the blowing fan 7 to operate, wind generated by the blowing fan 7 enters the illuminating cavity 14 through the clamping hole 16 and the vent hole 17 respectively, the circulation of air in the illuminating cavity 14 is accelerated, heat generated by the LED illuminating group 5 in the illuminating cavity 14 flows out from the second heat dissipation port 1222 through the first heat dissipation port 1221 through the heat dissipation channel 122, the effect of dissipating heat of the LED illuminating group 5 is achieved, and meanwhile, the wind generated by the blowing fan 7 is blown to the blowing channel 13 through the blowing port 17, the flow direction of the air is changed at the guide part 111 to form air blowing to the outer surface of the lens 4, so that water vapor attached to the outer surface of the lens 4 can be blown away, the influence on the lighting effect caused by water drops formed by condensation on the outer surface of the lens 4 can be avoided, meanwhile, the heat generated in part of the air can be taken away by the air flowing in the air blowing channel 13, so that the heat dissipation effect is achieved, in the whole process, the air is always blown by the air blowing fan 7 and flows outwards from the inside, so that no water vapor enters the device, the water vapor can be effectively prevented from entering the device to corrode an internal circuit structure, so that the circuit is prevented from being damaged, the service life is short, even if a small amount of water vapor enters along the second heat dissipation port 1222, the water can be condensed into the heat dissipation channel 122 and finally flows out along the second heat dissipation port 1222, so that the whole device is very outstanding in the aspects of heat dissipation and water mist prevention, the service life of the lighting device can be effectively ensured.

Claims

1. An LED lighting device, characterized in that: comprises a protective cover (1), a base (2), a reflecting cover (3), a lens (4), an LED light-emitting group (5), a motor (6), a blowing fan (7), a temperature sensor (8), a humidity sensor (9) and a controller (10), wherein a containing cavity (21) is arranged in the base (2), the opening of the containing cavity (21) is downward, the motor (6) is fixedly connected to the center of the top of the containing cavity (21), the blowing fan (7) is fixedly connected to the output end of the motor (6), the temperature sensor (8), the humidity sensor (9) and the controller (10) are respectively and fixedly connected to the top of the containing cavity (21), the temperature sensor (8) and the humidity sensor (9) are respectively and electrically connected with the controller (10), and the controller (10) is electrically connected with the motor (6), base (2) lock is in protection casing (1) top, protection casing (1) comprises shell (11) and inner shell (12), form blast air passageway (13) between shell (11) and inner shell (12), inner shell (12) inside illumination chamber (14) that forms, reflector (3) are located in illumination chamber (14), reflector (3) with protection casing (1) can be dismantled and connect, lens (4) can be dismantled and connect on inner shell (12), the quantity of LED light emitting group (5) is three at least, LED light emitting group (5) set up illumination chamber (14) top, LED light emitting group (5) are located in reflector (3), LED light emitting group (5) are connected with power cord (51), power cord (51) run through illumination chamber (14) top, power cord (51) are followed it upwards extends to hold chamber (21) inner wall base (2) top and outer The power supply is connected.

2. An LED lighting device as recited in claim 1, wherein: protective cover (1) top circumference array has four joint holes (16), joint hole (16) are used for connecting reflector (3), joint hole (16) outside circumference array has a plurality of air vent (15), air vent (15) outside circumference array has a plurality of blast orifice (17), blast orifice (17) outside circumference array has a plurality of screw hole (18), screw hole (18) be used for with base (2) link to each other.

3. An LED lighting device as defined in claim 2, wherein: reflector (3) top circumference array has four joint poles (31), joint pole (31) lean out, the joint pole (31) upper end outside is equipped with joint piece (32), insert joint pole (31) joint hole (16), joint piece (32) butt is in joint hole (16) upside.

4. An LED lighting device as recited in claim 1, wherein: the LED lamp is characterized in that a connecting portion (121) is arranged at the lower end of the inner shell (12), the connecting portion (121) is connected with the lens (4), a plurality of heat dissipation channels (122) are arranged in an annular array in the outer shell (12), a first heat dissipation opening (1221) is formed between each heat dissipation channel (122) and the corresponding lighting cavity (14), a second heat dissipation opening (1222) is formed between each heat dissipation channel (122) and the corresponding air blowing channel (13), and the first heat dissipation opening (1221) and the second heat dissipation opening (1222) are arranged in an outward inclined mode.

5. An LED lighting device as recited in claim 4, wherein: lens (4) upper end is equipped with connection pad (41), connection pad (41) top is equipped with butt joint ring (42), butt joint ring (42) threaded connection be in connecting portion (122).

6. An LED lighting device as recited in claim 5, wherein: the lower end face of the connecting portion (122) is provided with a first groove (123), the top of the connecting disc (41) is provided with a second groove (43), the second groove (43) is located on the outer side of the butt joint ring (42), the second groove (43) corresponds to the first groove (123), and a sealing ring (44) is extruded between the first groove (123) and the second groove (43).

7. An LED lighting device as recited in claim 1, wherein: the base (2) with the protection casing (1) passes through bolt (23) and can dismantle the connection, base (2) top edge annular array has a plurality of mounting hole (22).

8. An LED lighting device as recited in claim 1, wherein: the lower end of the shell (11) is provided with a guide part (111), the guide part (111) bends towards the inner side of the shell (11), and the lens (4) is partially wrapped in the guide part (111).