ELECTRONIC DEVICE AND GROUNDING STRUCTURE THEREOF

    公开(公告)号:US20230232526A1

    公开(公告)日:2023-07-20

    申请号:US17720069

    申请日:2022-04-13

    CPC classification number: H05K1/0215 H05K7/12 H05K7/1417

    Abstract: An electronic device is provided and includes a circuit board and a casing. The circuit board includes a plate body, a perforation and a ground wire. The perforation penetrates through the plate body, the ground wire is electrically coupled with the plate body and crosses over the perforation. The casing includes a bottom plate and a clamping structure. The clamping structure is disposed on the bottom plate and includes a first clamping part and a second clamping part. The circuit board is disposed in the casing, and the clamping structure penetrates through the plate body through the perforation, so that the circuit board is positioned on the casing, and the ground wire is clamped by the first clamping part and the second clamping part of the clamping structure. Consequently, the circuit board is grounded with the casing.

    Waterproof casing
    13.
    发明授权

    公开(公告)号:US11147180B2

    公开(公告)日:2021-10-12

    申请号:US16799665

    申请日:2020-02-24

    Abstract: A waterproof casing for packaging a circuit board is provided. The circuit board comprises an antenna. The waterproof casing comprises a metallic casing, a non-metallic end cover and a sealing gasket. The metallic casing comprises an accommodation space and a side opening in communication with each other. The accommodation space is configured to accommodate the circuit board. The antenna is adjacent to the side opening. The non-metallic end cover covers the side opening and combined with the metallic casing to form a sealed box. The non-metallic end cover comprises a ring-shaped install portion disposed on a surface thereof and extending outwardly from the surface. The ring-shaped install portion is disposed in the accommodation space as the non-metallic end cover covers the side opening. The sealing gasket is disposed around the ring-shaped install portion. A joint between the metallic casing and the non-metallic end cover is sealed by the sealing gasket.

    WATERPROOF CASING
    15.
    发明申请
    WATERPROOF CASING 审中-公开

    公开(公告)号:US20200221600A1

    公开(公告)日:2020-07-09

    申请号:US16799665

    申请日:2020-02-24

    Abstract: A waterproof casing for packaging a circuit board is provided. The circuit board comprises an antenna. The waterproof casing comprises a metallic casing, a non-metallic end cover and a sealing gasket. The metallic casing comprises an accommodation space and a side opening in communication with each other. The accommodation space is configured to accommodate the circuit board. The antenna is adjacent to the side opening. The non-metallic end cover covers the side opening and combined with the metallic casing to form a sealed box. The non-metallic end cover comprises a ring-shaped install portion disposed on a surface thereof and extending outwardly from the surface. The ring-shaped install portion is disposed in the accommodation space as the non-metallic end cover covers the side opening. The sealing gasket is disposed around the ring-shaped install portion. A joint between the metallic casing and the non-metallic end cover is sealed by the sealing gasket.

    Fluorescent electronic ballast
    16.
    发明授权
    Fluorescent electronic ballast 有权
    荧光电子镇流器

    公开(公告)号:US09232619B2

    公开(公告)日:2016-01-05

    申请号:US14290669

    申请日:2014-05-29

    CPC classification number: H05B41/2828 H05B37/02

    Abstract: A fluorescent electronic ballast including: a rectifier circuit, for receiving an AC power supply and converting the AC power supply into a DC power supply; an inverter circuit, coupled to a fluorescent driver circuit, for converting the DC power supply into a high-frequency AC power supply for driving a fluorescent; and a detection protection circuit, coupled to the rectifier circuit and the inverter circuit, for detecting the DC power supply provided by the rectifier circuit, and cutting off the electric connection between a control chip of the inverter circuit and all of power supply when the voltage of the direct current power supply is lower than a predetermined value, wherein the power supply at least includes the direct current power supply provided by the rectifier circuit.

    Abstract translation: 一种荧光电子镇流器,包括:整流器电路,用于接收AC电源并将AC电源转换成DC电源; 耦合到荧光驱动电路的逆变器电路,用于将DC电源转换成用于驱动荧光的高频AC电源; 以及与整流电路和逆变器电路耦合的检测保护电路,用于检测由整流电路提供的直流电源,并且当电压为5V时,切断逆变电路的控制芯片与所有电源之间的电连接 所述直流电源低于预定值,其中所述电源至少包括由所述整流电路提供的直流电源。

    CIRCUIT BOARD ASSEMBLY, WIRE FIXING DEVICE AND WIRE FIXING METHOD
    17.
    发明申请
    CIRCUIT BOARD ASSEMBLY, WIRE FIXING DEVICE AND WIRE FIXING METHOD 审中-公开
    电路板组件,电线固定装置和电线固定方法

    公开(公告)号:US20150109749A1

    公开(公告)日:2015-04-23

    申请号:US14243465

    申请日:2014-04-02

    Abstract: A circuit board assembly includes a printed circuit board, at least one wire, at least one wire fixing device, and a plurality of electronic components. A wire fixing method includes following steps. Firstly, the wire fixing device is inserted into a conductive hole of the printed circuit board. Then, the wire fixing device is fixed on the printed circuit board via a soldering material. Then, a conducting terminal of the wire is introduced into an accommodation space of the wire fixing device through the first opening of the wire fixing device. Then, at least one concave structure is formed in an external surface of a first conducting part of the wire fixing device by a jig. Consequently, the conducting terminal of the wire is fixed on the wire fixing device, and the wire is electrically connected with the printed circuit board through the wire fixing device.

    Abstract translation: 电路板组件包括印刷电路板,至少一根导线,至少一个导线固定装置和多个电子部件。 线固定方法包括以下步骤。 首先,将线固定装置插入到印刷电路板的导电孔中。 然后,电线固定装置通过焊接材料固定在印刷电路板上。 然后,通过线固定装置的第一开口将导线的导电端子导入线固定装置的容纳空间。 然后,通过夹具在线固定装置的第一导电部分的外表面中形成至少一个凹形结构。 因此,导线的导电端子固定在线固定装置上,并且导线通过线固定装置与印刷电路板电连接。

    LLC RESONANT CONVERTER AND CONTROL METHOD THEREOF

    公开(公告)号:US20220271655A1

    公开(公告)日:2022-08-25

    申请号:US17443787

    申请日:2021-07-27

    Abstract: A control method for an LLC resonant converter includes the following steps. Firstly, the LLC resonant converter is enabled. Then, the sonant converter is operated in a first modulation mode, so that the magnitude of the output voltage is greater than or equal to an intermediate voltage value. When the magnitude of the output current is greater than zero, a determining step is performed to determine whether the magnitude of the output voltage is greater than a reference voltage value. When the determining result is satisfied, the LLC resonant converter is operated in the first modulation mode. When the determining result is not satisfied, the LLC resonant converter is operated in a second modulation mode, so that the magnitude of the output voltage is lower than the intermediate voltage value.

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