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    • 28. 发明授权
    • Electronic device and frequency converter of motor
    • 电机的电子设备和变频器
    • US08363408B2
    • 2013-01-29
    • US12518571
    • 2007-12-10
    • Li Zheng
    • Li Zheng
    • H05K7/20
    • H05K7/20918H01L23/467H01L2924/0002H01L2924/00
    • The present invention provides an electronic device, comprising: a circuit board having at least one first heat-generating element and at least one second heat-generating element mounted thereon; a heat sink connected to said at least one first heat-generating element; a fan facing said heat sink; and an airflow guiding member placed between said fan and said heat sink for guiding the cooling air from said fan to said heat sink and said at least one second heat-generating element respectively. Said electronic device may further comprise a separating member for separating a main body of said at least one second heat-generating element from said circuit board, so as to prevent the cooling air guided to said at least one second heat-generating element from flowing to said circuit board; a bracket for separating said at least one first heat-generating element from other elements on said circuit board, so as to thermally insulate between them; and a flow-guiding gate guiding the airflow from said fan, and dispensing more airflow flow through the region on the heat sink corresponding to at least one first heat-generating element.
    • 本发明提供一种电子设备,包括:具有至少一个第一发热元件和安装在其上的至少一个第二发热元件的电路板; 连接到所述至少一个第一发热元件的散热器; 面对所述散热器的风扇; 以及气流引导构件,其布置在所述风扇和所述散热器之间,用于将冷却空气从所述风扇引导到所述散热器和所述至少一个第二发热元件。 所述电子设备还可以包括分离构件,用于将所述至少一个第二发热元件的主体与所述电路板分离,以防止被引导到所述至少一个第二发热元件的冷却空气流动到 电路板 用于将所述至少一个第一发热元件与所述电路板上的其它元件分离以便在它们之间热绝缘的支架; 以及导流门,其引导来自所述风扇的气流,并且分配更多的气流流过对应于至少一个第一发热元件的散热器上的区域。
    • 29. 发明申请
    • ELECTRONIC DEVICE AND FREQUENCY CONVERTER OF MOTOR
    • 电动机的电子设备和频率转换器
    • US20100202109A1
    • 2010-08-12
    • US12518526
    • 2007-12-10
    • Li ZhengElvir RedzepovicHenrik Rosendal Andersen
    • Li ZhengElvir RedzepovicHenrik Rosendal Andersen
    • H05K7/20
    • H02M7/003H05K7/20918
    • The present invention provides a frequency converter for driving a motor, comprising: a circuit board, having at least one first heat-generating element mounted thereon; a heat sink, connected to the at least one first heat-generating element; a fan, facing the heat sink; and a bracket, for positioning the at least one heat-generating element relative to the heat sink and the circuit board. The frequency converter further comprises: a separating member for separating the at least one portion of the main body of the at least one second heat-generating element from the circuit board, so as to prevent the cooling air guided to the at least one second heat-generating element from flowing to the circuit board; an airflow guiding member placed between the fan and the heat sink, for guiding the cooling air flowed from the fan to the heat sink and the at least one second heat-generating element respectively; and a flow guiding gate guiding the airflow from the fan to the heat sink, and dispensing more airflow to flow through the region corresponding to the at least one first heat-generating element.
    • 本发明提供了一种用于驱动电动机的变频器,包括:电路板,其上安装有至少一个第一发热元件; 连接到所述至少一个第一发热元件的散热器; 一个风扇,面向散热器; 以及用于相对于所述散热器和所述电路板定位所述至少一个发热元件的支架。 变频器还包括:分离构件,用于将至少一个第二发热元件的主体的至少一部分与电路板分离,以防止冷却空气被引导到至少一个第二热量 生成元件流入电路板; 布置在所述风扇和所述散热器之间的气流引导构件,用于将从所述风扇流出的冷却空气分别引导到所述散热器和所述至少一个第二发热元件; 以及流动引导门,其引导从风扇到散热器的气流,并且分配更多的气流以流过对应于至少一个第一发热元件的区域。
    • 30. 发明授权
    • Intelligent lock management system
    • US12051292B2
    • 2024-07-30
    • US17968459
    • 2022-10-18
    • Li ZhengPIN GENIE LIMITED
    • Li Zheng
    • G07C9/00G07C9/32G07C9/38
    • G07C9/00571G07C9/00309G07C9/32G07C9/38G07C2009/00769G07C2209/04
    • The present invention relates to the technical field of intelligent locks, and particularly to an intelligent lock management system, comprising an intelligent lock unit, wherein the intelligent lock unit comprises an intelligent lock, a lock control module and an identification terminal, and the intelligent lock unit is used for controlling the usage states of the intelligent lock; a server unit, wherein the server unit is communicatively connected with the intelligent lock unit, and the server unit is used for processing the receiving and sending of user information and control information. The server unit comprises an information writing module, a permission management module, an information deletion module and a data recording module. The permission management module is used for classifying and managing user permission data, and the user permission levels are at least 2. In the present invention, the permission management of the lock is divided into at least two levels. After the higher level permission information is input into the intelligent lock, the lower level permission will automatically lose the permission to manage the lock. Therefore, in order to facilitate the unified management of the lock permission, the safety for a terminal customer to use locks is enhanced after the high permission is delivered to the terminal customer.