CN111883360A

CN111883360A - Heat-insulating and explosion-proof capacitor

Info

Publication number: CN111883360A
Application number: CN202010731744.6A
Authority: CN
Inventors: 戴辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-11-03

Abstract

The invention relates to the technical field of electronic elements and discloses a heat-insulating and explosion-proof capacitor which comprises a shell, wherein an explosion-proof device is fixedly installed in the shell, a longitudinal lock hook is arranged at the lower end of the explosion-proof device, a transverse lock hook is movably connected in the longitudinal lock hook, a core rod is arranged in the explosion-proof device, a lead is fixedly connected in the core rod, a tapping wire is arranged at the top end of the lead, an insulating layer is wrapped on the outer side surface of the upper end of the tapping wire, and a welding head is fixedly connected to the top end of the tapping wire. This can thermal-insulated explosion-proof capacitor, inflation process explosion-proof equipment can carry out the lock with inside plug and control, when the reaction is too violent, when expanding to certain extent, the lower contact surface of explosion-proof equipment upper end and the contact surface contact of the lower extreme of electrode bar, and the electrode bar produces very big resistance this moment, and when the resistance value between two electrode bars was too high, produced high temperature and fused the aluminum sheet to reach the effect that prevents the capacitor expansion explosion.

Description

Heat-insulating and explosion-proof capacitor

Technical Field

The invention relates to the technical field of electronic elements, in particular to a heat-insulating and explosion-proof capacitor.

Background

The capacitor, generally referred to as capacitor, is a capacitor for holding charge, and is denoted by letter C, the capacitor is a 'capacitor for holding electricity' as the name implies, and is a device for holding charge, the capacitor is one of electronic components used in a large number in electronic equipment, and is widely applied to aspects of blocking direct current and alternating current, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in circuits, along with the change of electronic information technology, the update and update speed of digital electronic products is faster and faster, and the production and sales volume of consumer electronic products mainly including flat panel televisions (LCDs and PDPs), notebook computers, digital cameras and the like is continuously increased, thereby driving the growth of the capacitor industry.

The existing known capacitor is welded with a circuit board for use, and then is electrified for a long time in the working process of the circuit board or generates a large amount of heat, the capacitor is in direct contact with the circuit board, if the capacitor is in high-temperature contact for a long time, the capacitor is damaged, so that the whole circuit is broken, and in the use process of the capacitor, due to some special reasons or some non-compliant installation and use modes, the inside of the capacitor can be reacted, so that the capacitor is damaged or even explodes and other dangers.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a heat-insulating and explosion-proof capacitor, which has the advantages of explosion prevention and heat insulation with a circuit board, and solves the problem that the traditional capacitor is dangerous due to high heat or bulges and explode due to internal reaction.

(II) technical scheme

2. In order to realize the purposes of explosion prevention of the capacitor and heat insulation with the circuit board, the invention provides the following technical scheme: a capacitor capable of insulating heat and preventing explosion comprises a shell, wherein an explosion-proof device is fixedly arranged in the shell, the lower end of the explosion-proof device is provided with a longitudinal lock hook, the interior of the longitudinal lock hook is movably connected with a transverse lock hook, a core rod is arranged in the explosion-proof device, a lead is fixedly connected in the core rod, a branch wire is arranged at the top end of the lead, the outer side surface of the upper end of the tapping line is wrapped with an insulating layer, the top end of the tapping line is fixedly connected with a welding head, the lower end of the welding head is wrapped with an insulating ring, the outer side of the welding head is sleeved with an installation joint, the installation joint comprises a heat insulation layer, an installation groove, a hole, an installation hole, a separation layer and a connection lug, the upper end of the explosion-proof device is provided with a lower contact surface, the lower end of the insulating layer is fixedly connected with an aluminum sheet, electrode bars are fixedly connected to the left side and the right side of the aluminum sheet, and upper contact surfaces are arranged at the lower ends of the electrode bars.

Preferably, the inside packing of shell has the filler, the inside upside of shell is equipped with the electric capacity raw materials, and the filler between shell and the plug is castor oil, and castor oil is current known, comparatively stable filler in the condenser, and this filler market raw materials is purchase more easily, but greatly reduced condenser raw materials acquisition cost.

Preferably, the plug left and right sides fixedly connected with zinc layer, the lower extreme outside parcel on zinc layer has the diaphragm layer, the upper end outside fixedly connected with connecting piece on zinc layer, the connecting piece adopts inert insulating material, because the inside electric quantity that has stored of condenser adopts inert insulating material, can prevent on the one hand that the condenser is inside to take place the short circuit, and on the other hand can prevent that the inside material from taking place the reaction, leads to the condenser to damage.

Preferably, the explosion-proof device is internally provided with a sliding chute which is arranged in a hollow manner, so that the filler in the capacitor can be ensured to be in a saturated state between the shell and the core rod.

Preferably, the equal fixedly connected with mounting hole in both sides about the erection joint, mounting groove has been seted up to the erection joint left end, the right-hand member fixedly connected with connecting lug of erection joint, connecting lug and mounting groove meshing, the erection joint is the activity setting on the condenser, and can connect through the cooperation between mounting groove and the connecting lug between two erection joints.

Preferably, the installation joint upside fixed mounting has a column spacer, the hole has been seted up to spacer centre of a circle department, the inside insulating layer that is provided with of erection joint, the erection joint can prevent to take place to drop between condenser soldered connection and the circuit board on the one hand, and on the other hand can block the influence of the high fever that the circuit board produced to the condenser.

(III) advantageous effects

Compared with the prior art, the invention provides a heat-insulating and explosion-proof capacitor, which has the following beneficial effects:

1. this can thermal-insulated blast proof condenser, if the reaction takes place through the condenser is inside, lead to the condenser inner structure to take place the inflation, inflation process explosion-proof equipment can carry out the lock with the plug of inside and control, when the reaction is too violent, when expanding to the certain degree, the lower contact surface of explosion-proof equipment upper end and the lower contact surface contact of electrode bar lower extreme, electrode bar produces very big resistance this moment, when the resistance value between two electrode bars is too high, produce high temperature and fuse the aluminum sheet, cut off the inside circular telegram of condenser and connect, thereby reach the effect that prevents the explosion of condenser inflation.

2. This can insulate against heat blast proof capacitor through the insulating layer that the inside set up of erection joint, can effectually block, and the circuit board is because of the high fever that long-time work produced to the influence of condenser to the effect of effective protective capacitor has been reached.

Drawings

FIG. 1 is a cross-sectional view of the structure of the present invention;

FIG. 2 is a top view of a structural mounting joint of the present invention;

FIG. 3 is a schematic view of the connection of the upper contact surface to the lower contact surface of the structure of the present invention;

FIG. 4 is an enlarged view of structure A of FIG. 1.

In the figure: 1. a housing; 2. an explosion-proof device; 3. a filler; 4. a chute; 5. a lead wire; 6. a longitudinal latch hook; 7. a transverse latch hook; 8. a zinc layer; 9. a separator layer; 10. a core rod; 11. mounting holes; 12. distributing wires; 13. a connecting member; 14. capacitor raw materials; 15. an insulating layer; 16. installing a connector; 17. a thermal insulation layer; 18. an insulating ring; 19. welding a head; 20. installing a groove; 21. an electrode rod; 22. an upper contact surface; 23. a lower contact surface; 24. aluminum sheets; 25. a hole; 26. a separation layer; 27. and connecting the bumps.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a heat-insulating and explosion-proof capacitor comprises a housing 1, a filler 3 is filled in the housing 1, a capacitor raw material 14 is arranged on the upper side in the housing 1, the filler 3 between the housing 1 and a core rod 10 is castor oil, which is a known castor oil, the filler 3 in the capacitor is relatively stable, and the filler 3 is easily purchased from commercial raw materials, so that the purchase cost of the capacitor raw material can be greatly reduced, an explosion-proof device 2 is fixedly arranged in the housing 1, a chute 4 is arranged in the explosion-proof device 2, the chute 4 is hollow, so that the filler 3 in the capacitor can be ensured to reach a saturation state between the housing 1 and the core rod 10, a longitudinal latch hook 6 is arranged at the lower end of the explosion-proof device 2, a transverse latch hook 7 is movably connected in the longitudinal latch hook 6, the core rod 10 is arranged in the explosion-proof device 2, and zinc, the lower extreme outside parcel of zinc layer 8 has diaphragm layer 9, and the upper end outside fixedly connected with connecting piece 13 of zinc layer 8, connecting piece 13 adopt inert insulating material, because the inside electric quantity that has stored of condenser adopts inert insulating material, can prevent the inside short circuit that takes place of condenser on the one hand, and on the other hand can prevent that the inside material from taking place to react, leads to the condenser to damage.

The inner part of the core rod 10 is fixedly connected with a lead 5, the top end of the lead 5 is provided with a branch line 12, the outer side surface of the upper end of the branch line 12 is wrapped with an insulating layer 15, the top end of the branch line 12 is fixedly connected with a welding head 19, the lower end of the welding head 19 is wrapped with an insulating ring 18, the outer side of the welding head 19 is sleeved with an installation joint 16, the upper side and the lower side of the installation joint 16 are both fixedly connected with installation holes 11, the left end of the installation joint 16 is provided with an installation groove 20, the right end of the installation joint 16 is fixedly connected with a connecting lug 27, the connecting lug 27 is meshed with the installation groove 20, the installation joint 16 is movably arranged on a capacitor, the upper side of the installation joint 16 is fixedly provided with a columnar separation layer 26, the circle center of the separation layer 26 is provided with a hole 25, a, and two erection joints 16 can be connected through the cooperation between mounting groove 20 and the connection lug 27, and erection joint 16 includes insulating layer 17, mounting groove 20, hole 25, mounting hole 11, separate layer 26 and connection lug 27, and explosion-proof equipment 2 upper end is provided with down contact surface 23, and the lower extreme fixedly connected with aluminum sheet 24 of insulating layer 15, and the electrode bar 21 is connected to aluminum sheet 24 left and right sides fixed link, and the electrode bar 21 lower extreme is provided with upper contact surface 22.

The working principle is as follows: the user can detach the original waste capacitor of the circuit board, find the capacitor matched with the invention for installation, firstly check whether the outer surface of the capacitor is damaged or bulges to determine the appearance of the capacitor is integrally and safely installed, and eliminate unnecessary potential safety hazard in the using process, secondly, the user can sleeve the mounting joint 16 on the top end of the capacitor, sleeve the welding joint 19 through the hole 25, after the sleeve is completed, the user can use an electric iron to weld the joint of the welding joint 19 and the circuit board, after the welding is completed, the mounting joint 16 is fixed through the mounting hole 11 by using a screw, when the circuit board is electrified for working, if the working time is overlong, the circuit board can generate heat, when the heat is overhigh, the capacitor can be influenced to normally use, at the moment, the heat insulation layer 17 arranged in the mounting joint 16 can block the heat generated by the circuit board, the capacitor has the advantages that the damage to the capacitor is reduced, the capacitor is bulged and even exploded due to special reasons or irregular installation and use in the using process of the capacitor, the anti-explosion device 2 is arranged in the capacitor, when the capacitor is bulged due to internal conditions, the internal filler 3 expands outwards under the action of pressure, a certain obstruction is obtained when the filler 3 contacts the anti-explosion device 2, when internal substances react violently, the filler 3 continuously expands outwards, when the lower contact surface 23 at the upper end of the anti-explosion device 2 contacts the lower contact surface 23 of the electrode rod 21, a great resistance is generated, when the resistance value is too high, high temperature is generated, the aluminum sheet 24 between the electrode rods 21 is fused, the power-on connection between the circuit board and the capacitor is disconnected, the anti-explosion prevention is carried out in time, and greater danger is avoided, greatly reduces the damage of the electric appliance and protects the whole safety of the circuit.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat-insulated and explosion-proof capacitor comprises a shell (1), and is characterized in that: the explosion-proof device (2) is fixedly installed in the shell (1), a longitudinal lock hook (6) is arranged at the lower end of the explosion-proof device (2), a transverse lock hook (7) is movably connected in the longitudinal lock hook (6), a core rod (10) is arranged in the explosion-proof device (2), a lead (5) is fixedly connected in the core rod (10), a branch wire (12) is arranged at the top end of the lead (5), an insulating layer (15) wraps the outer side surface of the upper end of the branch wire (12), a welding head (19) is fixedly connected at the top end of the branch wire (12), an insulating ring (18) wraps the lower end of the welding head (19), a mounting joint (16) is sleeved on the outer side of the welding head (19), and the mounting joint (16) comprises a heat insulation layer (17), a mounting groove (20), a hole (25), a mounting hole (11), a separating layer, explosion-proof equipment (2) upper end is provided with down contact surface (23), the lower extreme fixedly connected with aluminum sheet (24) of insulating layer (15), aluminum sheet (24) left and right sides fixed link has electrode bar (21), electrode bar (21) lower extreme is provided with contact surface (22).

2. A heat-insulating explosion-proof capacitor as claimed in claim 1, characterized in that: the capacitor is characterized in that the filling (3) is filled in the shell (1), and the capacitor raw material (14) is arranged on the upper side in the shell (1).

3. A heat-insulating explosion-proof capacitor as claimed in claim 1, characterized in that: the core rod comprises a core rod (10), wherein a zinc layer (8) is fixedly connected to the left side and the right side of the core rod (10), a diaphragm layer (9) is wrapped on the outer side of the lower end of the zinc layer (8), a connecting piece (13) is fixedly connected to the outer side of the upper end of the zinc layer (8), and the connecting piece (13) is made of an inert insulating material.

4. A heat-insulating explosion-proof capacitor as claimed in claim 1, characterized in that: the explosion-proof device (2) is internally provided with a sliding groove (4).

5. A heat-insulating explosion-proof capacitor as claimed in claim 1, characterized in that: the mounting joint is characterized in that mounting holes (11) are fixedly connected to the upper side and the lower side of the mounting joint (16), a mounting groove (20) is formed in the left end of the mounting joint (16), a connecting lug (27) is fixedly connected to the right end of the mounting joint (16), and the connecting lug (27) is meshed with the mounting groove (20).

6. A heat-insulating explosion-proof capacitor as claimed in claim 1, characterized in that: the mounting connector is characterized in that a columnar separation layer (26) is fixedly mounted on the upper side of the mounting connector (16), a hole (25) is formed in the circle center of the separation layer (26), and a heat insulation layer (17) is arranged inside the mounting connector (16).