CN212805559U

CN212805559U - High-speed high accuracy PWMLED dimming device

Info

Publication number: CN212805559U
Application number: CN202022156230.0U
Authority: CN
Inventors: 庞成兴; 庞罗伟; 麦石林; 黄芝伟
Original assignee: Guangzhou Fangda Stage Equipment Co ltd
Current assignee: Guangzhou Fangda Stage Equipment Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-03-26
Anticipated expiration: 2030-09-27

Abstract

The application discloses high-speed high accuracy PWMLED device of adjusting luminance, including first mounting panel, heat radiation structure and protective structure, first mounting panel one side rigid coupling dust guard, heat radiation structure includes cooling fan, the cooling fan rigid coupling is in first mounting panel one side, first mounting panel opposite side rigid coupling light modulator body, the cooling fan outside is equipped with the wind-collecting housing, the wind-collecting housing rigid coupling is in first mounting panel one side. This application is rational in infrastructure, can be convenient for dispel the heat to the light modulator body through cooling blower and wind-collecting cover isotructure, can be convenient for install the light modulator body through the second mounting panel, prevent that the moisture on the wall body from getting into the light modulator body, prevent to influence the use of light modulator body, can prevent dust and protect the light modulator body through dust guard and second connecting plate isotructure, can be convenient for protect the light modulator body through buffer board and buffer spring isotructure, reduce the impact force.

Description

High-speed high accuracy PWMLED dimming device

Technical Field

The application relates to a dimming device, in particular to a high-speed high-precision PWMLED dimming device.

Background

The PWM is pulse width modulation, is an analog control mode, modulates the bias of a transistor base or an MOS tube grid according to the change of corresponding load to realize the change of the conduction time of the transistor or the MOS tube, thereby realizing the change of the output of a switching voltage-stabilized power supply. The different intensities of light output produced by the average power lamp light are encouraged by reducing or increasing the RMS voltage. While variable voltage devices can be used for various purposes, such regulation is intended to control lighting.

The current LED dimming device comprises various chips, resistors and other structures, is lack of a protective structure, is easy to damage when being impacted, is easy to mistakenly touch and adjust light, is lack of a heat dissipation structure, and is inconvenient for the use of the LED dimming device. Therefore, a high-speed and high-precision PWMLED dimming device is proposed to solve the above problems.

Disclosure of Invention

A high-speed high-precision PWMLED dimming device comprises a first mounting plate, a heat dissipation structure and a protection structure, wherein one side of the first mounting plate is fixedly connected with a dust guard;

the heat dissipation structure comprises a heat dissipation fan, the heat dissipation fan is fixedly connected to one side of a first mounting plate, the other side of the first mounting plate is fixedly connected with a dimmer body, a wind gathering cover is arranged on the outer side of the heat dissipation fan and fixedly connected to one side of the first mounting plate, a support column is arranged on the outer side of the wind gathering cover and fixedly connected to one side of the first mounting plate, and one end of the support column is fixedly connected to a second mounting plate;

the protective structure comprises a limiting spring, the first mounting plate is provided with a containing groove, the side wall of the containing groove is fixedly connected with the limiting spring, one end of the limiting spring is fixedly connected with a limiting plate, one side of the limiting plate is fixedly connected with a limiting post, one end of the limiting post is fixedly connected with a first connecting plate, one side of the first connecting plate is fixedly connected with a second connecting plate, one side of the second connecting plate is fixedly connected with a positioning post, the surface of the positioning post is slidably connected with a buffering plate, one side of the buffering plate is fixedly connected with a buffering spring, and the buffering spring is fixedly connected.

Furthermore, a plurality of evenly distributed heat dissipation holes are formed in the first mounting plate, four second mounting plates distributed in a rectangular structure are fixedly connected to one side, away from the dimmer body, of the first mounting plate, and a plurality of mounting holes are formed in the second mounting plates.

Further, four accommodating grooves which are distributed in a rectangular structure are formed in the first mounting plate, four limiting springs are fixedly connected to the side walls of the accommodating grooves, and two dust-proof plates which are distributed in an up-and-down symmetrical mode are fixedly connected to one side of the first mounting plate.

Furthermore, limiting plate sliding connection is in receiving the groove lateral wall, and two spacing posts rigid coupling of homonymy in first connecting plate one side, the cross-section of second connecting plate is L shape structure.

Furthermore, one side rigid coupling that the dimmer body was kept away from to the second connecting plate has a plurality of evenly distributed's reference column, just the equal rigid coupling of reference column one end has the locating plate.

Furthermore, a plurality of evenly distributed positioning holes are formed in the buffer plate, one end of the positioning column penetrates through the positioning holes and extends to one side of the buffer plate, and a plurality of evenly distributed buffer springs are fixedly connected to one side of the buffer plate.

The beneficial effect of this application is: the application provides a high-speed high accuracy PWMLED dimming device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 2 is a schematic overall side view of an embodiment of the present application;

FIG. 3 is a schematic diagram of an overall top view of an embodiment of the present application;

fig. 4 is a schematic view of a portion a of fig. 3 according to an embodiment of the present disclosure.

In the figure: 1. first mounting panel, 2, dust guard, 3, cooling fan, 4, dimmer body, 5, wind-collecting cover, 6, support column, 7, second mounting panel, 8, spacing spring, 9, limiting plate, 10, spacing post, 11, first connecting plate, 12, second connecting plate, 13, reference column, 14, buffer board, 15, buffer spring.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, a high-speed and high-precision PWMLED dimming device includes a first mounting plate 1, a heat dissipation structure and a protection structure, wherein a dust guard 2 is fixedly connected to one side of the first mounting plate 1;

the heat dissipation structure comprises a heat dissipation fan 3, the heat dissipation fan 3 is fixedly connected to one side of a first mounting plate 1, the other side of the first mounting plate 1 is fixedly connected with a dimmer body 4, a wind gathering cover 5 is arranged on the outer side of the heat dissipation fan 3, the wind gathering cover 5 is fixedly connected to one side of the first mounting plate 1, a support column 6 is arranged on the outer side of the wind gathering cover 5, the support column 6 is fixedly connected to one side of the first mounting plate 1, and one end of the support column 6 is fixedly connected with a second mounting plate 7;

the protective structure comprises a limiting spring 8, a containing groove is formed in the first mounting plate 1, the containing groove is fixedly connected with a side wall of the containing groove through a fixedly connected limiting spring 8, one end of the limiting spring 8 is fixedly connected with a limiting plate 9, one side of the limiting plate 9 is fixedly connected with a limiting post 10, one end of the limiting post 10 is fixedly connected with a first connecting plate 11, one side of the first connecting plate 11 is fixedly connected with a second connecting plate 12, one side of the second connecting plate 12 is fixedly connected with a positioning post 13, the surface of the positioning post 13 is slidably connected with a buffering plate 14, one side of the buffering plate 14 is fixedly connected with a buffering spring 15, and the buffering.

The first mounting plate 1 is provided with a plurality of radiating holes which are uniformly distributed, one side of the first mounting plate 1, which is far away from the dimmer body 4, is fixedly connected with four second mounting plates 7 which are distributed in a rectangular structure, and the second mounting plates 7 are provided with a plurality of mounting holes; the first mounting plate 1 is provided with four storage grooves distributed in a rectangular structure, the side walls of the four storage grooves are fixedly connected with limiting springs 8, and one side of the first mounting plate 1 is fixedly connected with two dust-proof plates 2 distributed in an up-and-down symmetrical mode; the limiting plate 9 is connected to the side wall of the accommodating groove in a sliding mode, two limiting columns 10 on the same side are fixedly connected to one side of the first connecting plate 11, and the section of the second connecting plate 12 is of an L-shaped structure; a plurality of positioning columns 13 which are uniformly distributed are fixedly connected to one side of the second connecting plate 12, which is far away from the dimmer body 4, and positioning plates are fixedly connected to one ends of the positioning columns 13; a plurality of evenly distributed positioning holes are formed in the buffer plate 14, one end of the positioning column 13 penetrates through the positioning holes and extends to one side of the buffer plate 14, and a plurality of evenly distributed buffer springs 15 are fixedly connected to one side of the buffer plate 14.

When the LED lamp is used, electrical components appearing in the LED lamp are externally connected with a power supply and a control switch, the light modulator body 4 adopts a PWM light modulation mode, the second mounting plate 7 can be mounted at positions such as a wall body through the mounting holes, the light modulator body 4 is convenient to mount, the light modulator body 4 can be far away from the wall body and the like through the support column 6, the humidity of the wall body and the like is prevented from entering the light modulator body 4 to influence the use, the light modulator body 4 can be radiated through the radiating fan 3 to prevent the use of the light modulator body 4 from being influenced by high temperature, then the second connecting plates 12 are slid towards two sides, so that the two first connecting plates 11 are driven to move back and back, the limiting columns 10 are driven to move in the same direction, the light modulator body 4 is exposed, the LED lamp light is adjusted by the light modulator body 4, and then the second connecting plates 12 are loosened, under spacing spring 8's effect, limiting plate 9 removes to spacing spring 8 department, thereby drive spacing post 10 syntropy and remove, thereby drive first connecting plate 11 syntropy and remove, thereby drive second connecting plate 12 syntropy and remove, thereby make second connecting plate 12 and dust guard 2 shelter from dimmer body 4, thereby prevent dust and protection dimmer body 4, when taking place the striking, buffer board 14 and buffer spring 15 can weaken the impact force, be convenient for protect dimmer body 4, prevent dimmer body 4 damage.

The application has the advantages that:

1. the light modulator is simple in structure, the light modulator body can be conveniently cooled through the cooling fan, the air collecting cover and the like, the light modulator body is prevented from being damaged due to high ambient temperature and high operating temperature of the light modulator body, the use of the light modulator body is prevented from being influenced, the light modulator body can be conveniently installed through the second installation plate, and the situation that moisture on a wall body enters the light modulator body to influence the use of the light modulator body is prevented;

2. this application is rational in infrastructure, can prevent dust and protect the light modulator body through dust guard and second connecting plate isotructure, prevents that the dust from piling up, can be convenient for inject the position of second connecting plate through spacing post and spacing spring isotructure, and the regulation of the second connecting plate of being convenient for can be convenient for protect the light modulator body through buffer board and buffer spring isotructure, cuts down the impact force.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A high-speed high accuracy PWMLED dimming device which characterized in that: the heat dissipation structure comprises a first mounting plate (1), a heat dissipation structure and a protection structure, wherein one side of the first mounting plate (1) is fixedly connected with a dust guard (2);

the heat dissipation structure comprises a heat dissipation fan (3), wherein the heat dissipation fan (3) is fixedly connected to one side of a first mounting plate (1), the other side of the first mounting plate (1) is fixedly connected with a dimmer body (4), a wind gathering cover (5) is arranged on the outer side of the heat dissipation fan (3), the wind gathering cover (5) is fixedly connected to one side of the first mounting plate (1), a support column (6) is arranged on the outer side of the wind gathering cover (5), the support column (6) is fixedly connected to one side of the first mounting plate (1), and one end of the support column (6) is fixedly connected with a second mounting plate (7);

protective structure includes spacing spring (8), the groove has been seted up and has been accomodate in first mounting panel (1), accomodate spacing spring of groove lateral wall rigid coupling (8), spacing spring (8) one end rigid coupling limiting plate (9), limiting plate (9) one side rigid coupling spacing post (10), spacing post (10) one end rigid coupling first connecting plate (11), first connecting plate (11) one side rigid coupling second connecting plate (12), second connecting plate (12) one side rigid coupling reference column (13), reference column (13) sliding surface connection buffer board (14), buffer board (14) one side rigid coupling buffer spring (15), buffer spring (15) rigid coupling is in second connecting plate (12) one side.

2. A high-speed high-precision PWMLED dimming device according to claim 1, wherein: a plurality of evenly distributed heat dissipation holes are formed in the first mounting plate (1), four second mounting plates (7) distributed in a rectangular structure are fixedly connected to one side, away from the dimmer body (4), of the first mounting plate (1), and a plurality of mounting holes are formed in the second mounting plates (7).

3. A high-speed high-precision PWMLED dimming device according to claim 1, wherein: four storage grooves which are distributed in a rectangular structure are formed in the first mounting plate (1), four limiting springs (8) are fixedly connected to the side walls of the storage grooves, and two dust-proof plates (2) which are distributed in an up-and-down symmetrical mode are fixedly connected to one side of the first mounting plate (1).

4. A high-speed high-precision PWMLED dimming device according to claim 1, wherein: limiting plate (9) sliding connection is in accomodating the groove lateral wall, and two spacing posts (10) rigid couplings of homonymy in first connecting plate (11) one side, the cross-section of second connecting plate (12) is L shape structure.

5. A high-speed high-precision PWMLED dimming device according to claim 1, wherein: one side rigid coupling that dimmer body (4) were kept away from in second connecting plate (12) has a plurality of evenly distributed's reference column (13), just reference column (13) one end all rigid couplings have the locating plate.

6. A high-speed high-precision PWMLED dimming device according to claim 1, wherein: the buffer board (14) is provided with a plurality of uniformly distributed positioning holes, one end of the positioning column (13) penetrates through the positioning holes and extends to one side of the buffer board (14), and one side of the buffer board (14) is fixedly connected with a plurality of uniformly distributed buffer springs (15).