LED Dimming Device With High Refresh Rate And Smooth Dimming

    公开(公告)号:US20220022294A1

    公开(公告)日:2022-01-20

    申请号:US17490359

    申请日:2021-09-30

    发明人: Weikai Jiang

    摘要: An LED dimming device with a high refresh rate and smooth dimming includes a constant current source circuit and an LED dimming circuit that are sequentially connected in series. The LED dimming circuit includes an LED and a first electronic switch. A positive electrode of the LED is connected to an output end of the constant current source circuit. The first electronic switch is connected in parallel at both ends of the LED. The LED dimming device further includes an energy quick release circuit and a first control circuit. The energy quick release circuit is connected in series with the first electronic switch to accelerate releasing excess energy in the constant current source circuit. The first control circuit is connected to the first electronic switch to control turning on or off of the first electronic switch.

    Stage light with additional visual effect

    公开(公告)号:US11226084B2

    公开(公告)日:2022-01-18

    申请号:US17041079

    申请日:2020-08-20

    发明人: Weikai Jiang

    摘要: A stage light with an additional visual effect includes a main light source and a lampshade, the main light source being located at a bottom of the lampshade. The stage light further includes at least one effect light source and at least one light-transmitting plate located at a light outlet of the lampshade. The effect light source and the main light source are controlled independently of each other. The light-transmitting plate has a first surface and a second surface, and a first side and a second side connecting to the first surface and the second surface, respectively. At least part of the light emitted by the effect light source enters from the first side and exits from the second side. The light emitting by the effect light source exits from the second side, so that the second side is illuminated, which decorates the stage light itself.

    Stage Light With Speed Reducer
    13.
    发明申请

    公开(公告)号:US20210396377A1

    公开(公告)日:2021-12-23

    申请号:US17272014

    申请日:2020-03-26

    发明人: Weikai Jiang

    IPC分类号: F21V21/30 F21V21/15 F21V17/12

    摘要: The present invention disclosed a stage light with a speed reducer, which includes a light head, a supporting arm and a bottom box. The light head is pivotally connected to the supporting arm by a pivot shaft. The supporting arm is pivotally connected to the bottom box by a pivot shaft. The pivot shaft of the light head and/or the pivot shaft of the supporting arm is connected to a drive shaft of a driving mechanism by the speed reducer. According to the stage light with the speed reducer of the present invention, the pivot shaft of the light head and/or the pivot shaft of the supporting arm is connected to the speed reducer drive shaft of the driving mechanism, thereby realizing using a transmission part in the speed reducer for transmission, avoiding using a synchronous belt. The transmission part will not deform and cause inaccurate scanning positioning or fracture, and the product performance is more stable.

    Control System And Method for Stage Light Fixture With Photobiological Safety

    公开(公告)号:US20210298156A1

    公开(公告)日:2021-09-23

    申请号:US17333247

    申请日:2021-05-28

    发明人: Weikai Jiang

    摘要: The control system for a stage light fixture with photobiological safety includes a control unit connected to a motor assembly and a light source and configured to control the stage light fixture to operate, and a distance sensor connected to the control unit, and configured to acquire an instant distance from a living being to the stage light fixture. The control unit stores a light radiation hazard exposure radiance limit value and a light fixture irradiance value acquired in advance per unit of time and distance, and acquires a parameter of the living being entering an irradiation danger zone according to the instant distance, the light radiation hazard exposure radiance limit value, and the light fixture irradiance value. When a hazard condition reaches the parameter of the living being entering the irradiation danger zone, the control unit controls the stage light fixture to move to eliminate the hazard condition.

    Ethernet Lighting Control System And Method For Stage Lights

    公开(公告)号:US20200229291A1

    公开(公告)日:2020-07-16

    申请号:US16830757

    申请日:2020-03-26

    发明人: Weikai Jiang

    IPC分类号: H05B47/18 H04L12/10 H05B47/29

    摘要: An Ethernet lighting control system comprises an ARTNET console and several rows of stage lights, wherein each row of stage lights comprises several stage lights successively connected in series, each stage light being internally provided with a network switching unit. The ARTNET console is connected to a network switching unit of a first stage light in each row of stage lights, by means of a network cable respectively; adjacent stage lights in each row of stage lights are connected in sequence by means of a network cable; a network control signal sent by the ARTNET console is delivered to the network switching unit of the first stage light; and the network switching unit of the preceding stage light receives and delivers the network control signal to an internal circuit of the stage light for processing, and then switches to the network switching unit of the subsequent stage light.

    Multi-lamp stage light
    16.
    发明授权

    公开(公告)号:US10533734B2

    公开(公告)日:2020-01-14

    申请号:US16107330

    申请日:2018-08-21

    发明人: Weikai Jiang

    摘要: The present invention discloses a multi-lamp stage light including a base, a support frame rotatably connected to the base, a lamp support rotatably connected to the support frame, and at least two lamp units rotatably connected to the lamp support which is provided with a third driving apparatus for driving the lamp units to rotate. The stage light according to the present invention is simple in structure and easy to use, achieving variable lighting effects with omnidirectional illumination and meeting performance requirements. In addition, the present invention can also avoid control lines intertwined.

    Waterproof Stage Light With Efficient Heat Dissipation

    公开(公告)号:US20190137090A1

    公开(公告)日:2019-05-09

    申请号:US16238999

    申请日:2019-01-03

    发明人: Weikai Jiang

    摘要: The present invention discloses a waterproof stage light with efficient heat dissipation comprising a light source component, a heat dissipating system and a waterproof main housing, wherein an opening is arranged at the rear end of the main housing, the heat dissipating system is in seal connection with the opening; one end of the heat dissipating system is positioned inside the main housing and the other end is positioned outside the main housing; and the light source component is arranged on the end of the heat dissipating system that is positioned inside the main housing. The stage light according to the present invention, which is simple in structure and convenient in use, improves the operation effect, normal service life, and reliability and stability of the stage light, and has a waterproof function, the stage light thus can be normally used outdoors with expanding application.

    Filter, CMY color mixing assembly using the filter and optical system thereof

    公开(公告)号:US10174911B2

    公开(公告)日:2019-01-08

    申请号:US15303476

    申请日:2015-04-28

    发明人: Weikai Jiang

    摘要: The present invention relates to a filter, a CMY color mixing assembly using the filter and an optical system thereof. Said filter comprises a substrate and a filtering film plated on the substrate, and the filtering film comprises a uniform region and a color mixing region. The thickness of the filtering film in the uniform region is uniform, while the thickness of the filtering film in the color mixing region is not uniform. The thickness of the filtering film in the uniform region is greater than or equal to the thickness of the filtering film in the color mixing region, and the thickness of the filtering film of a central region of the color mixing region is greater than the thickness of the filtering film of side regions of the color mixing region. Said color mixing region is provided at a side where the filter first accesses to a light path.

    Thermal System For A Stage Light Source Module

    公开(公告)号:US20180283675A1

    公开(公告)日:2018-10-04

    申请号:US15997114

    申请日:2018-06-04

    发明人: Weikai Jiang

    IPC分类号: F21V29/67

    摘要: The application discloses a thermal system for a stage light source module, comprising a lamp chamber for accommodating a light source and a light condenser arranged in the lamp chamber, wherein the lamp chamber is of a hollow columnar or cylindrical or cylindroid structure defined by at least five side walls. The system is simple and convenient to use, can increase the safety and stability of a lamp, and can prolong the service life of a stage lamp system.

    Fastening component free from electrochemical corrosion and stage light fixture with same

    公开(公告)号:US12018817B1

    公开(公告)日:2024-06-25

    申请号:US18128727

    申请日:2023-03-30

    发明人: Weikai Jiang

    摘要: A fastening component free from electrochemical corrosion includes a first fastening plate, a second fastening plate, and a fastening screw connecting them. A screw shaft of the fastening screw is penetrated through a first fastening hole of the first fastening plate and entered the second fastening hole of the second fastening plate. A head of the fastening screw is abutted against the first fastening plate and is sleeved with an isolation member for electrochemical corrosion protection. The isolation member includes an annular spacer located between the lower end face of the head and the first fastening plate, and a first segment surrounding the side wall of the head and connected to the annular spacer, and upper end face of the first segment is higher than or flush with the upper surface of the first fastening plate or the upper end face of the head in a smaller height.