4results about How to "Avoid problems such as corrosion" patented technology

The utility model relates to a small current line selection device technical field, the utility model provides a kind of anti-electric shock type small current line selection device, including installation shell body, the line selection device body is fixedly installed in the inside of installation shell body, the heat dissipation mechanism is equipped in the inside of installation shell body, PLC control panel is fixedly installed on the outer wall of the front end of installation shell body;Wiring hole, the rear end of installation shell body is fixedly installed with several groups of wiring hole, the outer wall on the rear end of installation shell body is equipped with protection mechanism, the top of installation shell body is equipped with moisture-proof mechanism. Through the above technical scheme, the technical problems, such as low heat dissipation efficiency of existing small current line selection device, prone to damage due to damp, wiring hole prone to dust, resulting in poor contact, frequent failure and the like are solved.

The utility model discloses a kind of outdoor power bank, including power bank body and waterproof silica gel part, the outside of power bank body is equipped with operating area, key and interface are equipped on the operating area, the operating area is equipped with clamping groove;The waterproof silica gel part includes cover plate, the bottom of the cover plate is protruded with clamping strip and plug block, the cover plate is covered on the operating area, the clamping strip is clamped in the clamping groove, and the plug block is inserted into the interface.The waterproof silica gel part is fixed on operating area by clamping strip, when interface is needed to be used, only need to be simply lifted to remove cover plate;After use, cover plate can be quickly covered back, to realize quick waterproof seal.This convenient mounting and dismounting structure does not bring additional use burden to user, and user can operate power bank at any time in outdoor environment.

The utility model relates to the field of lithium battery, concretely is a detachable lithium battery with BMS, including battery pack, the positive pole and negative pole of battery pack are connected with the positive pole connecting piece and negative pole connecting piece respectively, and battery pack is equipped with the electrically conductive contact, and the positive pole connecting piece and negative pole connecting piece are mutually matched with the electrically conductive contact respectively, and battery pack is equipped with the fire -retardant shell of preventing, and the fire -retardant shell of preventing is detachably connected with BMS module, and BMS module is connected with elastic conductive contact piece, and elastic conductive contact piece is mutually matched with the positive pole connecting piece, and battery pack and BMS module are equipped with the shell, and the shell is screw -threaded with end cap, and end cap is equipped with electrode lead -out end, and electrode lead -out end is mutually matched with the positive pole connecting piece and negative pole connecting piece. Adopt the utility model can when a certain module appears the fault, need not to disassemble integral battery, directly dismounts corresponding module to maintain or replace, reduces maintenance cost and time cost.