Search

CN-121366811-B - Ultralow Wen Niujiao capacitor

CN121366811BCN 121366811 BCN121366811 BCN 121366811BCN-121366811-B

Abstract

The invention belongs to the technical field of ox horn capacitors, and particularly discloses an ultralow Wen Niujiao capacitor, which comprises a capacitor shell, wherein a storage cavity is formed in the capacitor shell near the edge of the top surface, a disk cavity is formed in the capacitor shell and below the storage cavity, an electric base is fixed in the middle of the top surface of the capacitor shell, and an insulating guide pipe is arranged between the inner walls of the electric base in a sliding manner; according to the invention, when the capacitor shell breaks down to cause the capacitor bulge, the pressure in the capacitor shell is increased, corrosive gas is generated, when the pressure in the capacitor shell is increased, the induction assembly is triggered to work, the induction assembly drives the insulating guide pipe to slide upwards, the top of the insulating guide pipe is used for puncturing the top of the capacitor shell at the cross buffer port, the top of the insulating guide pipe extends to the top of the capacitor shell, the gas filtering assembly is triggered to neutralize the internal corrosive gas, the driving assembly is triggered to work, and the neutralizing liquid discharged from the drainage hole is scattered.

Inventors

  • ZHANG HONGLEI
  • PENG XU
  • WANG YINGDANG
  • WANG JIAN
  • HAN DALIN

Assignees

  • 东莞市爱伦电子科技有限公司

Dates

Publication Date
20260508
Application Date
20251217

Claims (7)

  1. 1. The utility model provides an ultralow Wen Niujiao electric capacity, its characterized in that includes electric capacity shell (11), storage chamber (24) have been seted up near top surface edge to the inside of electric capacity shell (11), disk cavity (27) have been seted up to the inside of electric capacity shell (11) below in storage chamber (24), the inside top surface of electric capacity shell (11) is fixed with electric base (26) in the middle of being located, slide between the inner wall of electric base (26) and be provided with insulating pipe (21), the top of insulating pipe (21) is the closure form, the outside of insulating pipe (21) is provided with sensing assembly, be provided with the air filtering subassembly between insulating pipe (21) and disk cavity (27), the inside of insulating pipe (21) is provided with drive assembly; The top of the insulating guide pipe (21) penetrates through the storage cavity (24) in a sliding mode, the insulating guide pipe (21) and the disc-shaped cavity (27) penetrate through each other, the bottom of the insulating guide pipe (21) extends to the position, located at the edge of the bottom, of the capacitor shell (11), the top of the insulating guide pipe (21) is in a tip shape, a plurality of drainage holes (42) are formed in the bottom of the insulating guide pipe (21) at equal intervals along the circumferential direction, one ends of the drainage holes (42) penetrate through the outer surface of the insulating guide pipe (21), the induction assembly comprises a floating ring (28), a plurality of side openings (29) penetrating through the inside are formed in the outer surface of the insulating guide pipe (21) at equal intervals along the circumferential direction, connecting rods (30) are arranged between the inner walls of the two sides of the side openings in a sliding sealing mode, one ends of the connecting rods (30) are fixed on the inner walls of the floating ring (28), and the other ends of the connecting rods (30) are fixed on the outer surface of the insulating guide pipe (21); the driving assembly comprises a rotating shaft (22), the rotating shaft (22) is positioned between the inner walls of the insulating guide pipes (21), the outer surface of the rotating shaft (22) is in sliding fit with the inner walls of the insulating guide pipes (21), an air cavity (37) is formed between the inner walls of the insulating guide pipes (21) and close to the top edge, the top of the rotating shaft (22) is rotationally connected to the inner top surface of the air cavity (37), the bottom of the rotating shaft (22) extends to the lower side of the insulating guide pipes (21), a plurality of vortex blades (39) are fixed on the outer surface of the rotating shaft (22) close to the top edge at equal intervals along the circumferential direction, a plurality of impact blades (23) are correspondingly positioned inside the air cavity (37) at equal intervals along the circumferential direction at the outer surface of the rotating shaft (22) close to the bottom edge; The air filtering assembly comprises an annular plate (33), the annular plate (33) is arranged inside a disc-shaped cavity (27), the inner wall of the annular plate (33) is in sliding sealing fit with the outer surface of an insulating duct (21), glass fiber cotton filtering pads (34) are arranged at the top and the bottom of the annular plate (33), the two glass fiber cotton filtering pads (34) are correspondingly mutually fit with the inner top surface and the bottom surface of the disc-shaped cavity (27), a neutralization filler (35) is arranged between the outer surface of the annular plate (33) and the inner wall of the disc-shaped cavity (27), the top and the bottom of the neutralization filler (35) are correspondingly connected with the glass fiber cotton filtering pads (34), annular temporary storage grooves (36) are formed in the inner bottom surface of the disc-shaped cavity (27) close to the inner side edge, a plurality of bending flow channels (32) are formed in the circumferential direction at equal intervals on the inner bottom surface of the air cavity (37), the inner top surface of the air cavity (37) is correspondingly penetrated to the outer surface of the insulating duct (21), a plurality of air outlet channels (31) are formed in the circumferential direction at equal intervals, a plurality of air outlet channels (31) are formed in the circumferential direction of the inner surface of the air cavity (37) and are correspondingly penetrated on the outer surface of the insulating duct (21), and the U-shaped runner (31) is correspondingly positioned below the bending runner (32).
  2. 2. The ultra-low Wen Niujiao capacitor of claim 1, wherein a printed circuit board (2) is arranged below the capacitor shell (11), a welding groove (3) is formed in the top of the printed circuit board (2), bottom grooves (7) penetrating through the two sides are formed in the bottom of the printed circuit board (2), two copper blocks (6) are fixed on the two sides of the printed circuit board (2), insertion holes (5) penetrating through the bottom grooves (7) are formed in the middle of the inner bottom surface of the welding groove (3), and arc-shaped openings (4) penetrating through the bottom grooves (7) are formed in the edges, close to one sides, of the inner bottom surface of the welding groove (3).
  3. 3. The ultra-low Wen Niujiao capacitor is characterized in that a cross buffer port (25) is formed in the top of the capacitor shell (11), a cotton sheet (8) is arranged at the top of the capacitor shell (11), an outer jacket sleeve (1) is coated on the outer surface of the capacitor shell (11), the top of the outer jacket sleeve (1) extends to the top of the cotton sheet (8) in a bent shape, a protection plate (15) is arranged between the inner walls of the capacitor shell (11) and close to the bottom edge, a sealing plate (16) is arranged at the bottom of the protection plate (15), a glass seal (17) is arranged at the middle of the bottom of the outer jacket sleeve (1), an anode pin (10) is arranged between the inner walls of the glass seal (17), and the bottom of the anode pin (10) extends to the lower side of the capacitor shell (11) and penetrates through the inside of the jack (5).
  4. 4. The ultra-low Wen Niujiao capacitor as set forth in claim 3, wherein a through hole (41) penetrating into the capacitor shell (11) is formed in the bottom of the capacitor shell near one side edge, arc pins (9) are arranged between the inner walls of the through hole (41), a negative electrode sleeve (12) is arranged between the inner walls of the capacitor shell (11), the top of the arc pins (9) is fixed at the bottom of the negative electrode sleeve (12) and extends into the arc hole (4), and a negative electrode filler (13) is arranged between the inner walls of the negative electrode sleeve (12).
  5. 5. The ultra-low Wen Niujiao capacitor according to claim 4, wherein a diaphragm (14) is arranged between the inner walls of the negative electrode filler (13), the top of the diaphragm (14) is fixed on the inner top surface of the capacitor shell (11), the bottom of the diaphragm (14) is in sealing fit with the top of the protection plate (15), a current collector (20) is arranged at the bottom of the electric base (26), a positive electrode filler (19) is arranged between the outer surface of the current collector (20) and the inner wall of the diaphragm (14), a gap is reserved between the top of the positive electrode filler (19) and the inner top surface of the capacitor shell (11), and the inner wall of the current collector (20) is in sliding fit with the outer surface of the insulation guide tube (21).
  6. 6. The ultra-low Wen Niujiao capacitor as set forth in claim 5, wherein a bent copper bar (18) is fixed on the outer surface of the current collector (20) near the bottom edge, the bottom end of the bent copper bar (18) is fixed on the top of the anode pin (10) near one side edge, a plurality of side channels (40) are formed on the outer surface of the anode filler (19) at equal intervals along the circumferential direction, and the top and the bottom of the side channels (40) correspondingly penetrate through the top and the bottom of the anode filler (19).
  7. 7. The ultra-low Wen Niujiao capacitor as set forth in claim 6, wherein the floating ring (28) is disposed on top of the positive electrode filler (19), the outer surface of the floating ring (28) is in sliding sealing engagement with the inner wall of the capacitor case (11), and the inner wall of the floating ring (28) is in sliding sealing engagement with the outer surface of the electrical base (26).

Description

Ultralow Wen Niujiao capacitor Technical Field The invention relates to the technical field of ox horn capacitors, in particular to an ultralow-temperature ox horn capacitor. Background The ultra-low Wen Niujiao capacitor is a common aluminum electrolytic capacitor mainly used in low-temperature environments, the structure of the capacitor is generally cylindrical or similar in shape, and welding pins similar to a ox horn bend are welded at two ends of the capacitor, so that the capacitor can be stably mounted on a PCB in an upright mode, and the capacitor is suitable for application occasions needing to bear large current and high voltage. At present, when the ox horn capacitor is applied to the integrated circuit board, the ox horn capacitor needs to be soldered and butted firstly, when the ox horn capacitor is internally failed in the subsequent use process, when the internal pressure is increased and the bulge phenomenon is easily generated, when the bulge is broken from the bottom of the ox horn capacitor, the internal corrosive electrolyte flows out from the bottom to corrode a printed wire rail on the integrated circuit board, and meanwhile, adjacent components and parts are damaged. Disclosure of Invention The invention provides an ultralow-temperature ox horn capacitor for solving the problems in the prior art. The ultra-low Wen Niujiao capacitor comprises a capacitor shell, wherein a storage cavity is formed in the capacitor shell near the edge of the top surface, a disc-shaped cavity is formed in the capacitor shell and located below the storage cavity, an electric base is fixed in the middle of the inner top surface of the capacitor shell, an insulating guide pipe is slidably arranged between the inner walls of the electric base, the top of the insulating guide pipe is in a closed shape, an induction component is arranged outside the insulating guide pipe, a gas filtering component is arranged between the insulating guide pipe and the disc-shaped cavity, and a driving component is arranged in the insulating guide pipe; the top of insulating pipe slides and runs through to the inside of storage chamber, and insulating pipe and disk chamber run through each other, the bottom of insulating pipe extends to the inside of electric capacity shell and is located bottom edge department, the top of insulating pipe is sharp point form, a plurality of drainage holes have been seted up along circumferencial direction equidistance to the bottom of insulating pipe, a plurality of the one end of drainage hole all runs through to on the surface of insulating pipe. Preferably, the below of electric capacity shell is provided with the printed circuit board, the welding groove has been seted up at the top of printed circuit board, the kerve that runs through to both sides has been seted up to the bottom of printed circuit board, the both sides of printed circuit board all are fixed with two copper pieces, the inside bottom surface of welding groove is located middle department and has seted up the jack that runs through to the kerve, the inside bottom surface of welding groove is close to one side edge department and has seted up the arc mouth that runs through to the kerve. Preferably, the cross buffering mouth has been seted up at the top of electric capacity shell, the top of electric capacity shell is provided with cotton piece, the surface cladding of electric capacity shell has outer tubing cover, the top of outer tubing cover is the top that the form of bending extends to cotton piece, be close to bottom edge between the inner wall of electric capacity shell and be provided with the protection shield, the bottom of protection shield is provided with the closing plate, the bottom of outer tubing cover extends to the bottom of closing plate, the inside of protection shield is located middle department and is provided with glass seal, be provided with the positive pole pin between the sealed inner wall of glass, the bottom of positive pole pin extends to the below of electric capacity shell, and runs through inside the jack. Preferably, the bottom of electric capacity shell is close to a side edge and has been seted up the through-hole that runs through to inside, be provided with the arc pin between the inner wall of through-hole, be provided with the negative pole cover between the inner wall of electric capacity shell, the bottom at the negative pole cover is fixed at the top of arc pin, and extends to in the arc mouth, be provided with negative pole filler between the inner wall of negative pole cover. Preferably, a diaphragm is arranged between the inner walls of the negative electrode fillers, the top of the diaphragm is fixed on the inner top surface of the capacitor shell, the bottom of the diaphragm is in sealing fit with the top of the protection plate, a current collector is arranged at the bottom of the electric base, a positive electrode filler is arranged between the outer surface of the current c