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KR-20260065169-A - CHARGING CONNECTOR FOR BATTERY

KR20260065169AKR 20260065169 AKR20260065169 AKR 20260065169AKR-20260065169-A

Abstract

A battery charging connection clamp according to the present invention comprises a first body (20) and a second body (30) joined by a hinge shaft (10); first and second electrode contact terminals (21) (31) embedded in the front interior of the first body (20) and the second body (30); and first and second clamping contact portions (21A) (31A) formed on the first and second electrode contact terminals (21) (31); The battery protection means (40) for preventing battery overheating and damage is stored in the space storage portion (32A) formed in the second handle portion (32) of the second body (30), wherein the battery protection means (40) for preventing battery overheating and damage includes a fuse rated capacity selection socket (41) mounted on a printed circuit board (40A) that selects a fuse (F) of a rated capacity corresponding to the battery and connects it to a connection hole (41A) of a fuse rated capacity selection socket; and a bimetal (43) connected to a temperature sensor (42) positioned in contact with the second electrode contact terminal (31), and is characterized by the fact that when the charging current supplied to the battery through the charging current supply line (50) is overcharged or the wiring is damaged and short-circuited, the selected fuse (F) of the rated capacity is blown, and when the battery overheats, the bimetal (43) is turned off to safely protect the battery.

Inventors

  • 홍성진

Assignees

  • 홍성진

Dates

Publication Date
20260508
Application Date
20241101

Claims (5)

  1. A first body (20) and a second body (30) joined by a hinge axis (10); First and second electrode contact terminals (21)(31) embedded in the front interior of the first body (20) and the second body (30); It includes first and second pinch contact portions (21A) (31A) formed on first and second electrode contact terminals (21) (31); and a space storage portion (32A) formed on the second handle portion (32) of the second body (30). A battery charging connection clamp is characterized by storing a battery protection means (40) for preventing battery overheating and damage in a space storage portion (32A) of a second handle portion (32), wherein the battery protection means (40) for preventing battery overheating and damage comprises: a fuse rated capacity selection socket (41) mounted on a printed circuit board (40A) that selects a fuse (F) of a rated capacity corresponding to the battery and connects it to a connection hole (41A) of a fuse rated capacity selection socket; and a bimetal (43) connected to a temperature sensor (42) positioned in contact with the second electrode contact terminal (31), and wherein, when the charging current supplied to the battery through the charging current supply line (50) is overcharged or the wiring is damaged and short-circuited, the selected fuse (F) of the rated capacity is blown, and when the battery overheats, the bimetal (43) is turned off to safely protect the battery.
  2. A battery charging connection clamp according to claim 1, wherein a cover (60) is installed on the upper part of the space storage portion (32A) of the second body (30) to prevent the detachment of a battery protection means (40) for preventing battery overheating and damage, and the cover (60) is inserted through a fitting guide hole (32B) formed at one end of the second handle portion (32) of the second body (30) and is safely guided and fitted onto a guide rail (32A') positioned at the front and rear of the upper part of the space storage portion (32A).
  3. A battery charging connection clamp according to claim 1, wherein the battery protection means (40) for preventing battery overheating and damage is characterized by inserting and connecting a plurality of fuses (F1)(F2)(F3) having different rated capacities into the first connection hole (41A'), the second connection hole (41A"), and the third connection hole (41A'") of the socket (41) for selecting rated capacities, and further arranging a selector switch (SW) for electrically selecting the plurality of rated capacities fuses (F1)(F2)(F3) on a printed circuit board (40A).
  4. A battery charging connection clamp characterized in that, in the first paragraph, first, second, and third fuse operation indicator lamps (L1), (L2), and (L3) are respectively placed on the front printed circuit board (40A) of a plurality of fuses (F) inserted into a socket (41) for selecting the rated capacity of the fuse, thereby indicating the state in which any one of the fuses (F) selected by the selector switch (SW) is electrically connected.
  5. A battery charging connection clamp according to claim 2, wherein a viewing window (62) is formed on the cover (60) to check the operating status of the fuse operation indicator lamps (L1)(L2)(L3) so as to easily check the connection status of the selected rated capacity fuse (F1) or (F2) or (F3) from the outside, and the inner surface of the stopper part (61A) formed by bending the handle part (61) protruding outward from the second body (30) is in contact with the outer circumference surface of one side of the second body (30), and a projection part (61B) is protruded outwardly from the outside of the handle part (61).

Description

Charging Connector for Battery The present invention relates to a connection clamp for battery charging. More specifically, the present invention relates to a connection clamp for battery charging that supplies a charging current to a battery used in vehicles, etc., thereby preventing fire or safety accidents of the battery during charging. Typically, vehicles are equipped with batteries, and these batteries often become completely discharged on the roadside due to driver negligence, such as leaving the lights on for a long time or insufficient charge from prolonged driving. In particular, during the cold winter months, if a vehicle is left unused for a long time, the battery naturally discharges, making it more common for the engine to fail to start. Therefore, when a battery is discharged, the discharged battery is connected to another vehicle's battery using the provided jump cables, and the discharged battery is charged by increasing the engine speed of the other vehicle, or the discharged vehicle's engine is started by supplying charging current to the battery using a battery charger to charge the battery. When charging the battery, a battery charging contact clip connected to a charging current supply line is brought into contact with the electrode protruding from the battery to stably supply the charging current. Prior art related to the above-mentioned battery charging connection clamp is introduced through Registered Patent No. 10-1249861 'Clamp-type battery supercharging device' or Registered Utility Model No. 20-0494658 'Clamp for mounting battery electrode terminals'. According to the former prior art, the charging device is configured with a rotatable clamp-type charging device to facilitate easy attachment and detachment of the charging device to the electrode, and the part connected to the electrode is configured to surround the outer periphery of the electrode. Since charging proceeds with the ring portion encircling the battery electrode, the contact area is widened, resulting in lower resistance. Additionally, the clamp-type configuration allows for easy operation when connecting the electrode and the charging device, thereby reducing the connection time. The latter prior art improves the head structure of the positive and negative clamps to enable frontal, side, or both frontal and side clamping, thus providing the advantage of convenient use regardless of the type, shape, or connection method of the vehicle battery terminals. However, these battery charging contact clamps lack a safety device to protect the battery, so they fail to prevent safety accidents such as fires caused by overheating of the battery when the wiring inside the vehicle connected to the battery is damaged or short-circuited during charging, and they fail to prevent damage to the battery when the charging current supplied to the battery is overloaded. In particular, they lack a safety device corresponding to the charging current of the rated capacity effective for the vehicle's battery, which causes a thermal runaway phenomenon of the battery and leads to safety accidents. Accordingly, the present invention proposes a new type of battery charging connection clamp that resolves the various problems associated with conventional battery charging connection clamps applied to vehicles, etc. FIG. 1 is a combined perspective view of a battery charging connection clamp according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view of a battery charging connection clamp of a first embodiment according to the present invention. FIG. 3 is a perspective view showing the combined portion of a connecting clamp for battery charging according to the first embodiment of the present invention. FIG. 4 is a cross-sectional view of the connection clamp for battery charging according to the first embodiment of the present invention. FIG. 5 is a perspective view showing the combined portion of a connecting clamp for battery charging according to a second embodiment of the present invention. FIG. 6 is an exploded perspective view of a key part of a battery charging connection clamp according to a second embodiment of the present invention. The present invention will be described in detail below with reference to the attached drawings. FIG. 1 is an assembled perspective view of a battery charging connection clamp according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of a battery charging connection clamp according to a first embodiment of the present invention, FIG. 3 is an assembled perspective view of a key part of a battery charging connection clamp according to a first embodiment of the present invention, and FIG. 4 is an assembled cross-sectional view of a battery charging connection clamp according to a first embodiment of the present invention. According to FIGS. 1 to 4, the battery charging connection clamp is formed by connecting the first body (20) and the