CN214757023U

CN214757023U - Novel dimming control panel

Info

Publication number: CN214757023U
Application number: CN202120071046.8U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangzhou Yueshuo Photoelectric Technology Co ltd
Current assignee: Guangzhou Yueshuo Photoelectric Technology Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-16
Anticipated expiration: 2031-01-12

Abstract

The utility model is suitable for a light dimming technology field provides a novel dimming control panel, a novel dimming control panel includes DBC module, control module, filtering module. The DBC module comprises a DBC module, a sealed shell, sealing glue, a heat dissipation plate, a heat radiator and screws; the DBC module comprises a DBC copper-clad plate, a silicon controlled chip, a copper bridge, a gate pole, an electrode and an electric connection part of the DBC module is insulated, sealed and protected by insulating glue; the control module comprises a signal input, an optical coupler, a control circuit through the optical coupler, a PCB and a grounding hole; the filtering module comprises an inductor, a rubber shell, a first capacitor, a second capacitor and a power socket. The utility model discloses an embedding silicon controlled rectifier chip DBC technique is the integrated solution of adjusting luminance of core, reduces dimmer circuit's volume effectively, has realized that the silence is adjusted luminance and has had with no stroboscopic dimming, has reduced the interference of perception load start-up to the electric wire netting, and the integrated design has reduced like product cost simultaneously.

Description

Novel dimming control panel

Technical Field

The utility model belongs to the technical field of light dimming, a novel dimming control panel is provided.

Background

In most dimming circuits in the market at present, a triode bidirectional thyristor chip TRIAC or a high-power TRANSISTOR transfer, a switching tube are mainly adopted as a core dimming control circuit, a small part of the dimming control circuit adopts a solid state relay module SSR (simple sequence repeat) for dimming, and the solid state relay has the advantages of small electromagnetic interference, low noise, high stability, high sensitivity and the like, but also has the advantages of large volume, high price and high heat dissipation requirement, and is a main factor for restricting the SSR of the solid state relay to become a dimming control core device. The bidirectional silicon controlled rectifier chip has the defects of small volume, low price, large harmonic interference, large noise, poor electromagnetic compatibility, easy stroboflash and the like. The bidirectional thyristor is mainly used for capacitive and inductive loads, particularly for the increasingly popular switching power supplies, the traditional bidirectional thyristor cannot meet the dimming requirement, the compatibility of the capacitive and inductive loads is poor, and meanwhile, the problems of noise pollution, startup surge and power grid pollution which are difficult to offset exist. For the high-end dimming field, the technical innovation of the dimming controller is always puzzled by the problems, and under the severe requirements of high power, low harmonic, low noise, low time delay, high precision and the like, the traditional bidirectional thyristor technology is difficult to meet the existing market requirements, and particularly in the field of stage theaters and movie and television lamps, a new high-end dimming control product is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel dimming control board overcomes the various shortcomings of original dimming control, adopts embedded silicon controlled rectifier chip DBC technique to realize high-power, low harmonic, the low noise, low time delay, and small volume and the controllable new control mode of cost can be compromise again to the high accuracy, satisfies the market demand in high-end dimming control field.

In order to achieve the above object, the utility model provides a novel dimming control panel, including DBC module, control module and filtering module. The DBC module comprises a DBC module, a sealed shell, a sealant, a heat dissipation plate, a heat radiator and a screw; the DBC module comprises a DBC copper-clad plate, a silicon-controlled chip, a copper bridge, a gate pole and an electrode, and the electric connection part of the DBC module is insulated, sealed and protected by insulating glue; the control module comprises an optical coupler, a control circuit, a signal input and a PCB board, wherein the control circuit is connected with the signal input through the optical coupler; the filtering module comprises an inductor, a first capacitor, a second capacitor, a grounding hole and a power interface. The utility model discloses an embedding silicon controlled rectifier chip DBC technique is the integrated solution of adjusting luminance of core, reduces the volume of the control panel of adjusting luminance effectively, has realized that the silence is adjusted luminance and has had with no stroboscopic dimming, has improved sensitivity and precision, has reduced capacitive load and perception load and has started the interference to the electric wire netting, and integrated modular design has reduced like product cost simultaneously.

The novel light modulation control panel DBC module adopts a symmetrical structural arrangement design, heat generated by the silicon controlled chip is quickly conducted to the heat dissipation plate and the radiator through a high-heat-dissipation DBC copper-clad plate, the two sides of the DBC copper-clad plate are provided with copper-clad circuits, the middle of the DBC copper-clad plate is provided with a DBC substrate and is respectively connected with the heat dissipation plate and the silicon controlled chip, and the other side of the silicon controlled chip is provided with a copper bridge, so that the control connection of a gate pole and an electrode is realized; finally, insulating glue is adopted to insulate and protect the silicon controlled chip and the connection point outside the DBC module; the heat dissipation plate and the radiator are in screw connection through screws, and heat dissipation glue can be added in the middle of the heat dissipation plate and the radiator.

Preferably, novel dimming control board DBC module is connected on control module's PCB board through gate pole and electrode electricity to through sealed shell, the heating panel is sealed fixed, adopts sealed glue further with the embedment of DBC module and control circuit components and parts and insulates, with the realization board integration of adjusting luminance, purpose of modular design.

Novel dimming control panel's control module adopts the control circuit of opto-coupler to drive and control the DBC module, and control circuit components and parts concentrate on the specific range of PCB board, and the symmetrical arrangement, the DBC module outside mainly comprises the grafting device, and the filtering module on the PCB board is provided with the ground connection hole for derive the leakage current and the fixed PCB board of DBC module.

Preferably, the control module of novel dimming control panel, its signal input terminal sets up in the outside of DBC module, also adopts the symmetrical formula design, and compatible analog signal of control signal input and PWM signal of adjusting luminance to control load through the control signal input and adjust luminance and the switching.

Novel light modulation control panel's filter module adopts the inductance of symmetrical formula and RC filter circuit's electric capacity one and electric capacity two, and the inductance setting adopts horizontal installation in order to reduce the height, also can adopt vertical installation to shorten length, and electric capacity one and electric capacity two all adopt symmetric distribution to set up around the inductance, power source interface input and output set up the outside at the inductance.

Preferably, the novel filtering module of the dimming control panel has the advantages that the inductor is sealed in the cavity of the rubber shell through the arrangement, and the radiating insulating rubber is coated and sealed, so that the current noise is further reduced.

The novel dimming control panel adopts one path or two paths as a minimum assembly module in the design layout, and also can adopt a multi-path layout.

Preferably, the multiplex control can also be simple adopt the makeup form to constitute multichannel control panel, connect multichannel power load output respectively, each way through signal input independent control load output and satisfy various requirements of adjusting luminance, leakage current leads to the ground through casing and radiator, multichannel radiator can also unify design heat dissipation flow direction, make things convenient for whole heat dissipation, electronic component is owing to adopt sealed shell insulation and compact layout to leave enough space for the wiring and make multichannel wire circuit walk the line and simplify to make the whole miniaturization of dimming control ware, it is light and convenient.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.

FIG. 1 is a schematic diagram of a novel dimming control panel;

FIG. 2 is a cross-sectional view of the novel dimming control panel;

FIG. 3 is a circuit diagram of the novel dimming control panel;

FIG. 4 is a horizontal schematic diagram of a novel multi-path combined inductor for a dimming control panel;

FIG. 5 is a vertical schematic view of a novel dimming control board with multiple channels and inductors;

fig. 6 is a schematic diagram of a novel dimming control board, DBC module.

In the figure: 1-DBC module, 102-sealed shell, 103-heat dissipation plate, 104-sealant, 105-screw; 2-filtering module, 201-inductor, 202-rubber shell, 203-sealing plate; 3-control module, 301-control circuit, 302-optical coupler, 303-PCB board, 304-grounding hole; 4-capacitance; 5-signal input; 6-ampere-standard capacitance; 7-power interface; 8-DBC module, 800-DBC substrate, 801-DBC copper clad laminate, 802-silicon controlled chip, 803-copper bridge, 804-gate pole, 805-electrode; 9-radiator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

As shown in fig. 1 to 6, a novel dimming control panel includes a DBC module 1, a control module 3, and a filtering module 2. The DBC module 1 includes a DBC module 8, a sealed case 102, a sealant 104, a heat dissipation plate 103, a heat sink 9, and screws 105; the DBC module 8 comprises a DBC copper-clad plate 801, a silicon controlled chip 802, a copper bridge 803, a gate 804 and an electrode 805, and the electric connection part of the DBC module 8 is insulated, sealed and protected by insulating glue; the control module 3 comprises an optical coupler 302, a control circuit 301 passing through the optical coupler 302, a signal input 5 and a PCB 303; the filtering module 2 includes an inductor 201, a first capacitor 4, a second capacitor 6, a ground hole 304, and a power interface 7. The utility model discloses an embedding silicon controlled rectifier chip DBC technique is the integration solution of adjusting luminance of core, reduces the volume of the control panel of adjusting luminance effectively, has realized that the silence is adjusted luminance and has had with no stroboscopic dimming, has improved sensitivity and precision, has reduced capacitive load and perception load and has started the interference to the electric wire netting, and the product cost of the same kind has been reduced simultaneously in the integrated design.

A novel light modulation control panel DBC module 1 adopts a symmetrical structure arrangement design, heat generated by a silicon controlled chip 802 is rapidly conducted to a heat dissipation plate 103 and a radiator 9 through a high-heat-dissipation DBC copper-clad plate 801, the two sides of the DBC copper-clad plate 801 are provided with copper-clad circuits, the middle part of the DBC copper-clad plate 801 is provided with a DBC substrate 800 and is respectively connected with the heat dissipation plate 103 and the silicon controlled chip 802, and the other side of the silicon controlled chip 802 is provided with a copper bridge 803, so that the control connection of a gate 804 and an electrode 805 is realized; the outer side of the DBC module 8 is insulated and protected by insulating glue to protect the silicon controlled chip 802 and the connection point; the heat dissipation plate 103 and the heat sink 9 are screwed by screws 105, and a heat dissipation adhesive may be added therebetween.

Preferably, the novel dimming control panel DBC module 8 is electrically connected to the PCB 303 of the control module 3 through a gate 804 and an electrode 805, and is sealed and fixed through the sealing housing 102 and the heat dissipation plate 103, and the components of the DBC module 8 and the control circuit 301 are further encapsulated and insulated by the sealant 104, so as to achieve the purpose of integration and modular design of the dimming panel.

The utility model provides a control module 3 of novel dimming control board, adopts the control circuit 301 of opto-coupler 302 to drive and control DBC module 1, and control circuit 301 components and parts are concentrated in the specific range of PCB board 303, and symmetrical arrangement, the DBC module 1 outside mainly comprises the grafting device, and filter module 2 on the PCB board 303 is provided with ground connection hole 304 for derive DBC module 1's leakage current and through the fixed PCB board of fastening screw.

Preferably, a control module 3 of novel dimming control board, its 5 terminals of signal input set up in the outside of DBC module 1, also adopts the symmetrical formula design, and control signal input 5 is compatible analog signal and PWM dimming signal to through control signal input 5 control load adjust luminance and switching.

The utility model provides a novel filtering module 2 of dimming control board, adopts the inductance 201 and the RC filter circuit's of symmetry formula electric capacity one 4 and two 6, and inductance 201 adopts horizontal installation in order to reduce the height, also can adopt vertical installation to shorten length, and electric capacity 4 one and two 6 all adopt symmetric distribution of electric capacity to set up around inductance 201, power source 7 input and output set up the outside at inductance 201.

Preferably, in the filter module 2 of the novel dimming control board, the inductor 201 may be sealed in the cavity of the rubber housing 202, and the heat dissipation insulating rubber is used for covering and sealing, so as to further reduce the generation of current noise.

Referring to fig. 4-6, the novel dimming control board is designed by using one or two paths as a minimum assembly module, or by using a multi-path layout.

Preferably, the multipath control can also simply adopt a jointed board form to form a multipath control board which is respectively connected with multipath power supply load output, each path independently controls the load output through respective signal input 5 and meets various dimming requirements, leakage current is led out to the ground through a machine shell and a radiator 9, the multipath radiators can also uniformly design the heat dissipation flow direction, the overall heat dissipation is convenient, the electronic elements adopt a sealed shell for insulation and compact layout to leave enough space for wiring so that the wiring of multipath conducting wires is simplified, and therefore the overall miniaturization and the lightness of the dimming controller are realized.

Therefore, compared with the traditional dimming control panel, the novel dimming control panel adopts the DBC technology to realize high power, low harmonic, low noise, low time delay and high precision, and can also take small volume and modularized new control mode into account, thereby effectively reducing the volume of the dimming control panel, realizing mute dimming and no stroboscopic dimming, improving sensitivity and precision, reducing the interference of capacitive load and inductive load starting to the power grid, and simultaneously reducing the cost of like products due to the integrated modular design.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A novel dimming control panel, characterized by comprising a DBC module (1), a control module (3) and a filtering module (2): the DBC module (1) comprises a DBC module (8), a sealed shell (102), a sealing glue (104), a heat dissipation plate (103), a heat radiator (9) and a screw (105); the DBC module (8) comprises a DBC copper-clad plate (801), a silicon controlled chip (802), a copper bridge (803), a gate pole (804) and an electrode (805), and the electric connection part of the DBC module (8) is insulated, sealed and protected by insulating glue; the control module (3) comprises an optical coupler (302), a control circuit (301) passing through the optical coupler, a signal input (5) and a PCB (303); the filtering module (2) comprises an inductor (201), a first capacitor (4), a second capacitor (6), a grounding hole (304) and a power interface (7);

the DBC module (1) of the novel dimming control panel is designed in a symmetrical structure arrangement mode, heat generated by the silicon controlled chip is rapidly conducted to the heat dissipation plate (103) and the radiator (9) through the high-heat-dissipation DBC copper-clad plate (801), the two sides of the DBC copper-clad plate (801) are provided with copper-clad circuits, the middle of the DBC copper-clad plate is provided with the DBC substrate (800) which is respectively connected with the heat dissipation plate (103) and the silicon controlled chip (802), and the other side of the silicon controlled chip (802) is provided with a copper bridge (803), so that the control connection of a gate pole (804) and an electrode (805) is realized; the outer side of the DBC module (8) is insulated and protected by insulating glue to protect the silicon controlled chip (802) and the connection point; the heat dissipation plate (103) is in threaded connection with the radiator (9) through a screw (105), and heat dissipation glue can be added in the middle;

the control module (3) of the novel dimming control board adopts a control circuit (301) of an optical coupler (302) to drive and control a DBC module (1), elements of the control circuit (301) are concentrated in a specific range of a PCB (303) and are symmetrically arranged, the outer side of the DBC module (1) mainly comprises plug-in devices, and a filtering module (2) on the PCB (303) is provided with a grounding hole (304) for leading out a leakage current of the DBC module (1) and fixing the PCB (303);

the filtering module (2) of the novel dimming control board adopts a symmetrical inductor (201) and a first capacitor (4) and a second capacitor (6) of an RC (resistance capacitance) filtering circuit, the inductor (201) is arranged in a horizontal mode to reduce the height, the inductor (201) can also be arranged in a vertical mode to shorten the length, the first capacitor (4) and the second capacitor (6) are symmetrically distributed and are arranged around the inductor (201), and the input and the output of a power interface (7) are arranged on the outer side of the inductor (201);

the novel dimming control panel adopts one path or two paths as a minimum assembly module, and also can adopt a multi-path layout.

2. The novel dimming control board according to claim 1, wherein the DBC module (8) is electrically connected to the PCB (303) of the control module (3) through the gate (804) and the electrode (805), and is sealed and fixed with the heat dissipation plate (103) through the sealing housing (102), and the DBC module (1) and the control circuit (301) are further encapsulated and insulated by the sealant (104), so as to achieve the purpose of light modulation board integration and modular design.

3. The novel dimming control board according to claim 1, wherein the signal input (5) terminal of the control module (3) is disposed outside the DBC module (1), and a symmetrical design is also adopted, and the control signal input (5) is compatible with an analog signal and a PWM dimming signal, so that various dimming and on/off of a load can be controlled through the control signal input (5).

4. The novel dimming control board according to claim 1, wherein the inductor (201) of the filter module (2) is sealed in the cavity of the rubber shell (202) and is covered and sealed by heat dissipation insulating rubber, so as to further reduce the generation of current noise.

5. The novel dimming control board as claimed in claim 1, wherein the multi-path layout of the novel dimming control board can simply adopt a jointed board form to form the multi-path control board, and is respectively connected with multi-path power load output, each path independently controls the load output through signal input and meets various dimming requirements, leakage current is led out to the ground through the casing and the radiator, the multi-path radiator can also uniformly design the heat dissipation flow direction, so that the overall heat dissipation is facilitated, and the electronic components adopt the sealed casing insulation and the compact layout to leave enough space for wiring so that the wiring of multi-path lead wires is simplified, thereby the overall miniaturization and the lightness of the dimming controller are realized.