CN218603679U

CN218603679U - Software-controlled PWM dimming constant-current LED driving device

Info

Publication number: CN218603679U
Application number: CN202221732914.3U
Authority: CN
Inventors: 欧阳振华; 欧阳索香
Original assignee: Guangzhou Ruisheng Electronic Technology Co ltd
Current assignee: Guangzhou Ruisheng Electronic Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2023-03-10
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a software control PWM constant current LED drive arrangement that adjusts luminance relates to LED drive arrangement technical field, and its technical scheme is: including the lamp body, lamp body inner wall fixed mounting is from radiator unit, extend to the lamp body outside from radiator unit, lamp body inner wall fixed mounting circuit board, the circuit board passes through wire electric connection lamp holder, the lamp body outer wall is equipped with the heat dissipation storehouse, the lamp shade mounting groove is seted up at the lamp body top, the lamp shade mounting groove inner wall threaded connection lamp shade, the heat dissipation storehouse is ring shape, ventilation hole one is evenly seted up to the heat dissipation storehouse outer wall, ventilation hole inner wall fixed mounting dust screen, the utility model discloses a set up two journey memory alloy piece to the convenience resumes deformation once more after the temperature reduces, makes cowl reset the back, seals the storehouse port that dispels the heat once more, prevents that outside dust from entering into the lamp body inner wall.

Description

Software-controlled PWM dimming constant-current LED driving device

Technical Field

The utility model relates to a LED drive arrangement technical field, concretely relates to software control PWM constant current LED drive arrangement that adjusts luminance.

Background

Dimmers, an electrical device that varies the luminous flux of a light source in a lighting device, adjusting the level of illumination, the purpose of dimmers is to adjust the different intensities of the light, the light output of different intensities of the light resulting in an average power of the light by decreasing or increasing the RMS voltage, although variable voltage devices can be used for various purposes, such regulation is intended to control lighting,

the prior art has the following defects: when the existing LED illuminating lamp is used for PWM dimming, a large amount of heat can be generated, and the temperature cannot be emitted to the air in time.

Therefore, it is necessary to invent a software-controlled PWM dimming constant-current LED driving device.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a software control PWM constant current LED drive arrangement that adjusts luminance through setting up two journey memory alloy pieces to convenient after the temperature reduces, resume deformation once more, make cowl reset the back, seal the storehouse port that dispels the heat once more, prevent that outside dust from entering into the lamp body inner wall, with the problem of solving in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a software control PWM constant current LED drive arrangement that adjusts luminance, includes the lamp body, lamp body inner wall fixed mounting is from radiator unit, extend to the lamp body outside from radiator unit, lamp body inner wall fixed mounting circuit board, the circuit board passes through wire electric connection lamp holder, the lamp body outer wall is equipped with the heat dissipation storehouse, the lamp shade mounting groove is seted up at the lamp body top, lamp shade mounting groove inner wall threaded connection lamp shade, the heat dissipation storehouse is ring shape, the ventilation hole is evenly seted up to the heat dissipation storehouse outer wall, ventilation hole inner wall fixed mounting dust screen, include solid fixed ring from radiator unit, gu fixed ring fixed mounting is on the lamp body inner wall, gu fixed ring outer wall even fixed mounting two way memory alloy piece, two way memory alloy piece passes on the lamp body outer wall, two way memory alloy piece tip fixed mounting cowl, cowl evenly distributes around the heat dissipation storehouse inner wall.

Preferably, the lamp shade is a first lamp shade, the first lamp shade is in threaded connection with the inner wall of the lamp shade mounting groove, and the first lamp shade is arranged in a cylindrical shape.

Preferably, the lampshade is a second lampshade, the second lampshade is in threaded connection with the inner wall of the lampshade mounting groove, and the outer wall of the bottom end of the second lampshade is provided with an air inlet through hole.

Preferably, the dust screen is fixedly installed on the inner wall of the air inlet through hole, an interlayer is arranged inside the second lampshade, the surface of the second lampshade is uniformly provided with exhaust holes, and the inner wall of the interlayer is fixedly provided with a permeable membrane.

Preferably, the top and the bottom of the fixing ring are both fixedly provided with a connecting ring, the connecting ring is fixedly connected with the inner wall of the lamp housing, and the surfaces of the two groups of connecting rings are uniformly provided with ventilation holes.

Preferably, a gateway is fixedly installed on the surface of the circuit board, and the gateway is electrically connected with the signal receiver.

Preferably, the storage battery is fixedly mounted on the surface of the circuit board, the storage battery is electrically connected with the signal receiver, the wiring terminal is fixedly mounted at the bottom of the lamp housing, the circuit board and the wiring terminal are electrically connected through a wire, and external threads are formed in the outer wall of the bottom end of the lamp housing.

Preferably, the bottom of the lamp holder is fixedly connected with a lamp holder, and a heat dissipation film is fixedly installed on the outer wall of the lamp holder.

The beneficial effects of the utility model are that:

the self-radiating assembly is arranged, the fixing ring is arranged, and the two-way memory alloy sheet is fixedly connected to the outer wall of the fixing ring, so that the two-way memory alloy sheet is conveniently overheated and subjected to extension deformation when the two-way memory alloy sheet is subjected to high temperature in the lamp housing, the arc-shaped baffle is conveniently pushed out outwards through the two-way memory alloy sheet, the heat-radiating bin opening part is released through the arc-shaped baffle, heat exchange between hot air in the lamp housing and outside air is conveniently realized, air convection is conveniently and quickly carried out, and heat in the lamp housing is reduced;

2. by arranging the two-way memory alloy sheet, the deformation can be conveniently recovered again after the temperature is reduced, so that the port of the heat dissipation bin is sealed again after the arc-shaped baffle is reset, and external dust is prevented from entering the inner wall of the lamp housing;

3. through setting up the battery to the convenience still can provide the short-term power supply to the LED lamp after the outage, has improved the practicality of LED lamp, conveniently carries out interim standby lighting.

Drawings

Fig. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is an enlarged view of the point B in fig. 1 according to the present invention;

fig. 4 is a schematic view of an installation structure of the arc baffle provided by the present invention;

fig. 5 is a schematic view of a second lampshade structure provided by the present invention.

In the figure: the lamp housing 100, the terminal 110, the external thread 120, the heat dissipation bin 130, the first ventilation hole 140, the dustproof net 141, the lampshade installation groove 150, the first lampshade 160, the second lampshade 170, the air inlet through hole 171, the interlayer 172, the permeable membrane 173, the self-heat dissipation assembly 200, the fixing ring 210, the connecting ring 211, the second ventilation hole 212, the two-way memory alloy sheet 213, the arc-shaped baffle 214, the circuit board 300, the gateway 310, the signal receiver 320, the storage battery 330, the lead 340, the lamp cap 350, the lamp holder 351 and the heat dissipation membrane 352.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to the accompanying drawings 1-4, the utility model provides a pair of software control PWM constant current LED drive arrangement that adjusts luminance, in order to realize above-mentioned purpose, the utility model provides a following technical scheme: a software-controlled PWM dimming constant-current LED driving device comprises a lamp shell 100, a self-radiating assembly 200 is fixedly installed on the inner wall of the lamp shell 100 and extends to the outside of the lamp shell 100 from the self-radiating assembly 200, a circuit board 300 is fixedly installed on the inner wall of the lamp shell 100 and is electrically connected with a lamp holder 350 through a wire 340, a radiating bin 130 is arranged on the outer wall of the lamp shell 100, a lamp shade installation groove 150 is formed in the top of the lamp shell 100, the inner wall of the lamp shade installation groove 150 is in threaded connection with a lamp shade, the radiating bin 130 is annular, a first ventilation hole 140 is uniformly formed in the outer wall of the radiating bin 130, a dustproof net 141 is fixedly installed on the inner wall of the first ventilation hole 140, the self-radiating assembly 200 comprises a fixing ring 210, the fixing ring 210 is fixedly installed on the inner wall of the lamp shell 100, a two-way memory alloy sheet 213 is uniformly and fixedly installed on the outer wall of the fixing ring 210, the two-way memory alloy sheet 213 penetrates through the outer wall of the lamp shell 100, an arc-shaped baffle 214 is fixedly installed at the end part of the two-way memory alloy sheet 213, the arc-shaped baffle plates 214 are uniformly distributed around the inner wall of the heat dissipation bin 130, the top and the bottom of the fixing ring 210 are fixedly provided with the connecting rings 211, the connecting rings 211 are fixedly connected with the inner wall of the lamp housing 100, the surfaces of the two groups of connecting rings 211 are uniformly provided with the second ventilation holes 212, specifically, the lamp housing 100 is made of aluminum alloy, the lamp housing 100 is provided with the functions of facilitating installation of the self-heat dissipation assembly 200 and the self-heat dissipation assembly 200, meanwhile, the lamp housing 100 is provided with the function of facilitating fixed installation of the LED lamp inside a lamp stand, the self-heat dissipation assembly 200 is provided with the function of facilitating automatic adjustment according to temperature and facilitating heat exchange of hot air inside the lamp housing 100, the circuit board 300 is provided with the function of facilitating installation of the gateway 310, the signal receiver 320 and the storage battery 330, the fixing ring 210 is provided with the function of facilitating installation of the two-way memory alloy plates 213, and the two-way memory alloy plates 213 are provided with the function of facilitating installation of the arc-shaped baffle plates 214, through setting up two pass memory alloy piece 213, when two pass memory alloy piece 213 inside high temperature of lamp body 100, thereby make two pass memory alloy piece 213 be heated the back and can warp the extension, thereby conveniently extend the back through two pass memory alloy piece 213, release cowl 214 outside heat dissipation storehouse 130, thereby conveniently open heat dissipation storehouse 130, make ventilation hole 140 expose in the air, make the inside hot-air of lamp body 100 pass through ventilation hole 140, dust screen 141 releases the lamp body 100 outside, simultaneously through ventilation hole 140, dust screen 141 inhales fresh air, dust screen 141 has the convenience and filters the dust in the air through setting up dust screen 141, thereby conveniently improve the inside cleanliness of lamp body 100, avoid the dust to enter into inside the lamp body 100.

The gateway 310 is also called an internetwork connector and a protocol converter, the gateway realizes network interconnection above a network layer, is the most complex network interconnection equipment and is only used for network interconnection of two high-level protocols, the gateway can be used for wide area network interconnection and local area network interconnection, the gateway is a computer system or equipment serving as a conversion task, is used between two systems with different communication protocols, data formats or languages, even completely different system structures, is a translator, is different from a simple communication, and packs the received information again to meet the requirements of a target system, the signal receiver 320 has the function of facilitating connection of an LED, thereby facilitating connection of LED lamp equipment and a dimmer, facilitating connection of the dimmer to a signal receiver 320, facilitating light dimming signal receiver 350, and changing the illumination intensity of a light source through an external lighting adjusting device of a wireless network. A dimming device having a large capacity and constituting a system. Its rationale is that the electric current virtual value that changes input light source is in order to reach the purpose of adjusting luminance, battery 330 has the convenience and is connected the power back at equipment, charge battery 330 through alternating current, thereby it is convenient to pass through battery 330 behind the alternating current outage, can provide the electric energy to lamp holder 350 through battery 330, thereby conveniently provide the effect of temporary lighting to lamp holder 350, conveniently provide stand-by power supply, the flexibility and the practicality that convenient improve equipment used, terminal 110 has the convenience when installing the LED lamp, can be through terminal 110 with alternating current electrified and terminal 110 input end fixed connection, external screw thread 120 has the effect of easy to assemble lamp body 100, lamp holder 351 has the effect of easy to assemble lamp holder 350, lamp holder 351 has the effect of conveniently installing and supplying power to lamp holder 350, cooling film 352 has the convenient effect of dispelling the heat to the lamp holder 351 outer wall.

The first embodiment is as follows:

referring to the attached drawing 4, the utility model provides a pair of constant current LED drive arrangement is adjusted luminance to software control PWM, in order to realize above-mentioned purpose, the utility model provides a following technical scheme: the utility model provides a software control PWM constant current LED drive arrangement that adjusts luminance, including first lamp shade 160, the lamp shade is first lamp shade 160, first lamp shade 160 threaded connection lamp shade mounting groove 150 inner wall is on, first lamp shade 160 sets up to the tube-shape, it is concrete, first lamp shade 160 has the effect that conveniently carries out the shade with lamp holder 350, thereby conveniently improve the effect of lamp holder 350 illumination, through setting up the top of screw thread with first lamp shade 160 fixed mounting to lamp body 100 looks, thereby conveniently adjust the illuminating effect, the illumination effect has been improved, first lamp shade 160 material is transparent guarantor glass, thereby conveniently improve the illuminating effect through first lamp shade 160.

The second embodiment:

referring to the attached drawing 5, the utility model provides a pair of constant current LED drive arrangement is adjusted luminance to software control PWM, in order to realize above-mentioned purpose, the utility model provides a following technical scheme: the utility model provides a software control PWM constant current LED drive arrangement that adjusts luminance, including second lamp shade 170, the lamp shade is second lamp shade 170, second lamp shade 170 and the 150 inner wall threaded connection of lamp shade mounting groove, air inlet hole 171 is seted up to second lamp shade 170 bottom outer wall, air inlet hole 171 inner wall fixed mounting dust screen, second lamp shade 170 is inside to be equipped with intermediate layer 172, the exhaust hole is evenly seted up on second lamp shade 170 surface, intermediate layer 172 inner wall fixed mounting osmotic membrane 173, it is specific, second lamp shade 170 material is transparent plastic, through setting up second lamp shade 170, and set up the exhaust hole on second lamp shade 170 surface, the effect that conveniently distributes the inside hot-air of lamp body 100 has, thereby conveniently improve the effect of radiating efficiency, be one-way osmotic membrane through setting up osmotic membrane 173, thereby conveniently let in the outside through permeating with lamp body 100 hot-air, thereby conveniently carry out the effect of heat transfer to lamp body 100 inside.

The above is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a software control PWM constant current LED drive arrangement that adjusts luminance, includes lamp body (100), lamp body (100) inner wall fixed mounting is from radiator unit (200), extend to lamp body (100) outside from radiator unit (200), lamp body (100) inner wall fixed mounting circuit board (300), its characterized in that: circuit board (300) pass through wire (340) electric connection lamp holder (350), lamp body (100) outer wall is equipped with heat dissipation storehouse (130), lamp shade mounting groove (150) are seted up at lamp body (100) top, lamp shade mounting groove (150) inner wall threaded connection lamp shade, heat dissipation storehouse (130) are ring shape, ventilation hole (140) are evenly seted up to heat dissipation storehouse (130) outer wall, ventilation hole (140) inner wall fixed mounting dust screen (141), from radiator unit (200) including solid fixed ring (210), gu fixed ring (210) fixed mounting is on lamp body (100) inner wall, gu fixed ring (210) outer wall even fixed mounting two pass memory alloy piece (213), two pass memory alloy piece (213) pass on lamp body (100) outer wall, two pass memory alloy piece (213) tip fixed mounting cowl (214), cowl (214) are around heat dissipation storehouse (130) inner wall evenly distributed.

2. The LED driving device with the software-controlled PWM dimming and the constant current according to claim 1, wherein the lampshade is a first lampshade (160), the first lampshade (160) is in threaded connection with the inner wall of the lampshade installation groove (150), and the first lampshade (160) is arranged in a cylindrical shape.

3. The LED driving device with the functions of dimming and constant current according to software control PWM as claimed in claim 1, wherein the lampshade is a second lampshade (170), the second lampshade (170) is in threaded connection with the inner wall of the lampshade installation groove (150), and an air inlet through hole (171) is formed in the outer wall of the bottom end of the second lampshade (170).

4. The LED driving device according to claim 3, wherein a dust screen is fixedly installed on the inner wall of the air inlet through hole (171), an interlayer (172) is arranged inside the second lampshade (170), vent holes are uniformly formed in the surface of the second lampshade (170), and a permeable membrane (173) is fixedly installed on the inner wall of the interlayer (172).

5. The LED driving device with the dimming constant current and the PWM controlled by software according to claim 1, is characterized in that the top and the bottom of the fixed ring (210) are both fixedly provided with a connecting ring (211), the connecting ring (211) is fixedly connected with the inner wall of the lamp housing (100), and the surfaces of the two groups of connecting rings (211) are uniformly provided with second ventilation holes (212).

6. The software-controlled PWM dimming constant-current LED driving device according to claim 1, wherein a gateway (310) is fixedly mounted on the surface of the circuit board (300), and the gateway (310) is electrically connected with the signal receiver (320).

7. The LED driving device with the dimming constant current and the PWM controlled by software according to claim 6, wherein a storage battery (330) is fixedly mounted on the surface of the circuit board (300), the storage battery (330) is electrically connected with the signal receiver (320), a terminal (110) is fixedly mounted at the bottom of the lamp housing (100), the circuit board (300) and the terminal (110) are electrically connected through a wire, and an external thread (120) is formed on the outer wall of the bottom end of the lamp housing (100).

8. The software-controlled PWM dimming constant-current LED driving device as claimed in claim 7, wherein a lamp holder (351) is fixedly connected to the bottom of the lamp cap (350), and a heat dissipation film (352) is fixedly mounted on the outer wall of the lamp holder (351).