US 12,338,980 B2
Tool lamp with mobile power source
Jianli Shen, Yuyao (CN); and Xiang Zhang, Yuyao (CN)
Assigned to NINGBO TALLER ELECTRICAL APPLIANCE CO., LTD., Yuyao (CN)
Filed by NINGBO TALLER ELECTRICAL APPLIANCE CO., LTD., Yuyao (CN)
Filed on Oct. 19, 2021, as Appl. No. 17/451,445.
Claims priority of application No. 202121224224.2 (CN), filed on Jun. 2, 2021; application No. 202121224940.0 (CN), filed on Jun. 2, 2021; and application No. 202121227224.8 (CN), filed on Jun. 2, 2021.
Prior Publication US 2022/0390095 A1, Dec. 8, 2022
Int. Cl. F21V 21/40 (2006.01); F21L 4/00 (2006.01); H02J 7/00 (2006.01)
CPC F21V 21/406 (2013.01) [F21L 4/00 (2013.01); H02J 7/0047 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A tool lamp with a mobile power source, comprising:
a handle provided with a power chamber and a sliding slot, wherein the power chamber has a strip-shaped opening, a lock piece and a bottom hole are disposed in the power chamber, and a slidable slider is disposed in the sliding slot;
a movable lamp base detachably connected to the handle; and
a mobile power box inserted into the power chamber via the strip-shaped opening and provided with a push member located in the bottom hole, wherein the push member is able to push the mobile power box out of the power chamber, and a groove portion is formed in a side wall of the mobile power box; when the mobile power box is located in the power chamber, the lock piece is aligned with the groove portion, is pushed by the slider to move towards the groove portion, and stretches into the groove portion to prevent the mobile power box from moving;
the mobile power box comprises a shell and a power module embedded in the shell, the shell is provided with a communication interface connected to an external load, and the power module is electrically connected to the communication interface;
the power module comprises a battery pack and a circuit board, the communication interface is provided with a first contact, a second contact, and a third contact, the first contact, the second contact, and the third contact are all electrically connected to the circuit board, the circuit board is provided with a first connecting point, a second connecting point, and a third connecting point, the first connecting point is connected to the first contact and a positive pole of the battery pack, the second connecting point is connected to the second contact, and the third connecting point is connected to the third contact and a negative pole of the battery pack;
wherein, the power module further comprises:
a power input module;
a control module comprising a control chip U1, wherein a second pin of the control chip U1 is connected to the external load by means of a first connecting piece;
a power output module connected to the control chip U1, used for outputting electric energy, obtained by charging the battery pack, in a preset manner, and comprising a first output unit and a second output unit, wherein the first output unit is used for outputting the electric energy, obtained by charging the battery pack, to the external load in a plugged manner by means of a second connecting piece, and controlling an output state according to a control signal sent by the control module; and the second output unit is used for outputting the electric energy, obtained by charging the battery pack, to the external load by means of a USB interface, and controlling the output state according to the control signal sent by the control module; and
a display module connected to the control chip U1 and used for displaying a remaining service time of the battery pack in a state where the battery pack is connected to the external load.