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公开(公告)号：US20240377265A1
公开(公告)日：2024-11-14
申请号：US18291510
申请日：2022-10-12
Applicant: LS ELECTRIC CO., LTD.
Inventor： Hyungsuk CHOI
Abstract: The present disclosure relates to a temperature measurement device, comprising: a housing having, formed therein, a space through which a power line and an optical cable penetrate, wherein the housing extends in one direction in which the power line extends; and a cable winding part which is disposed in the space of the housing and supports the power line penetrating through the housing. The cable winding part is composed of: a column member which is connected to the inner surface of the housing and extends in the space such that the optical cable penetrating through the housing is wound thereon; and a support member for at least partially supporting the outer circumference of the power line penetrating through the housing. Accordingly, a temperature measurement device having a structure that is easy to install on and separate from a power line can be provided.
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公开(公告)号：US12126278B2
公开(公告)日：2024-10-22
申请号：US17756868
申请日：2020-03-16
Applicant: LS ELECTRIC CO., LTD.
Inventor： Chengde Xu
IPC: H02M1/32 , H02H7/122 , H02M7/5395
CPC classification number: H02M7/5395 , H02H7/1227 , H02M1/32
Abstract: An apparatus and a method for controlling an inverter are disclosed. A method, according to one embodiment of the present disclosure, receives an operation command for an inverter, outputs a first PWM control signal, to an inverter unit, such that the inverter unit outputs at least one among a plurality of valid vectors for the diagnosis of a short circuit of the output of the inverter, and blocks the output of the inverter if a short circuit current of the inverter is detected.
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公开(公告)号：US12119195B2
公开(公告)日：2024-10-15
申请号：US17909626
申请日：2021-02-26
Applicant: LS ELECTRIC CO., LTD.
Inventor： Yong Ik Park
CPC classification number: H01H71/0214 , H01H9/342 , H01H33/08
Abstract: The present disclosure relates to an arc extinguishing assembly including a sealing member and a circuit breaker including same. The sealing member is pressed and elastically deformed between coupling surfaces of the arc extinguishing assembly and the circuit breaker, and accordingly, a gap between the coupling surfaces of the arc extinguishing assembly and the circuit breaker is sealed. Accordingly, when an arc is generated, a temporary pressure increase in the circuit breaker increases and the arc can be smoothly extended.
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公开(公告)号：US12119190B2
公开(公告)日：2024-10-15
申请号：US17612423
申请日：2019-08-20
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jungwoo Yoo
Abstract: A direct current relay is disclosed. A movable contact part provided on a direct current relay, according to an embodiment of the present disclosure, comprises a movable contact and a pin member that is through-coupled to the movable contact. The movable contact can be supported by the pin member and simultaneously move on a straight line along the pin member. Therefore, even when a physical force is applied to the movable contact, the movable contact does not arbitrarily separate therefrom. The pin member is coupled to a support member insertion-coupled to a housing and an upper yoke. The pin member is formed to have a diameter larger than that of a hollow formed in the support member. The pin member can be insertion-coupled to the support member. Therefore, arbitrary separation of the movable contact can be prevented even without a separate fastening member.
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公开(公告)号：US12096605B2
公开(公告)日：2024-09-17
申请号：US17601524
申请日：2020-03-19
Applicant: LS ELECTRIC CO., LTD.
Inventor： Soo-Yong Hwang
IPC: H05K7/20
CPC classification number: H05K7/20909 , H05K7/20145 , H05K7/20945
Abstract: The present disclosure relates to a power electronic device with an automatic ventilation module, comprising: an enclosure in which a heating component is accommodated; and an automatic ventilation module, installed on one side of the enclosure, for opening and closing a part of the enclosure based on the temperature of the heating component, wherein the automatic ventilation module comprises a driving unit for generating power; a connection unit for transmitting the power generated by the driving unit; a ventilation unit for receiving the power from the connection unit and disposed with a front plate for opening and closing a part of the enclosure; a temperature sensor for measuring the temperature of the inside of the enclosure; and a control unit for controlling the driving unit on the basis of a measured value of the temperature sensor so as to adjust the degree of opening and closing of the front plate.
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Patent Agency Ranking
公开(公告)号：US12095308B2
公开(公告)日：2024-09-17
申请号：US17274703
申请日：2019-09-10
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jiheon Lee , Younggeun Kim , Heejung Kim , Ilhyung Lim
Abstract: The present specification relates to a power supply device and a power supply system capable of uninterrupted power supply, which includes a circuit breaker for regulating connection to a power bus to which a plurality of power supply devices are connected, wherein the circuit breaker is opened or closed according to various situations occurring in the system so as to control power supply and demand.
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公开(公告)号：US20240297007A1
公开(公告)日：2024-09-05
申请号：US18578579
申请日：2022-11-14
Applicant: LS ELECTRIC CO., LTD.
Inventor： Ha Su KIM , Jin Hee PARK , Young Jun SON
Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other, and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.
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公开(公告)号：US12062511B2
公开(公告)日：2024-08-13
申请号：US18013814
申请日：2021-05-25
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jung Woo Yoo , Han Mi Ru Kim , Young Ho Lee
Abstract: An arc path formation unit and a direct current relay are disclosed. The arc path formation unit, according to various embodiments of the present disclosure, includes a Halbach array provided in at least one of the forward and backward directions. The Halbach array forms a magnetic field within an arc chamber by itself or along with another magnetic body. An electromagnetic force may be generated for inducing an arc that is generated by a formed magnetic field and current flowing through the direct current relay. The electromagnetic force is generated in a direction away from each fixed contact. Accordingly, the generated arc can be extinguished and discharged effectively.
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公开(公告)号：US20240258045A1
公开(公告)日：2024-08-01
申请号：US18291873
申请日：2022-10-25
Applicant: LS ELECTRIC CO., LTD.
Inventor： Kwanghyeon AHN , Hyunwook LEE
IPC: H01H9/30
CPC classification number: H01H9/30
Abstract: An arc elimination device is disclosed. The arc elimination device according to an aspect of the present disclosure, may comprise: a housing; an arc extinguishing part which is positioned inside the housing and provided with a high-voltage electrode and a ground electrode therein; an operating rod movable to electrify or non-electrify the high-voltage electrode and the ground electrode inside the arc extinguishing part; a steering handle coupled to one end of the operating rod to move the operating rod; a moving plate arranged between the arc extinguishing part and the steering handle to press and move the steering handle; an actuator for providing a driving force for moving the moving plate; and a power transmission unit for providing the driving force of the actuator to the moving plate to move the moving plate in a direction in which the moving plate presses the steering handle.
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公开(公告)号：US12046434B2
公开(公告)日：2024-07-23
申请号：US18013483
申请日：2021-06-21
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jung Woo Yoo , Han Mi Ru Kim , Young Ho Lee
Abstract: Disclosed are an arc path generation unit and a direct current relay including the same. An arc path generation unit according to various exemplary embodiments of the present disclosure comprises a Halbach array or a magnet part which forms a magnetic field in a space part for accommodating fixed contacts. The formed magnetic field forms an electromagnetic force, together with the current flowing a direct current relay. The formed electromagnetic force may induce generated arcs. The electromagnetic force formed near each fixed contact is formed in a direction going away from each fixed contact. Therefore, the generated arcs do not meet each other, and thus can be effectively suppressed and discharged.
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