A large, safe, explosion-proof aluminum electrolytic capacitor

Abstract

The present invention relates to the technical field of explosion-proof aluminum electrolytic capacitors, and discloses a large-scale safe explosion-proof aluminum electrolytic capacitor, comprising an explosion-proof shell, an impact mechanism fixedly connected inside the explosion-proof shell, a pressure relief mechanism fixedly connected in the middle of the explosion-proof shell, and pressure relief mechanisms fixedly connected at the left and right ends of the explosion-proof shell; the impact mechanism comprises a first spring, the first spring is fixedly connected to the bottom end of the explosion-proof shell, a support block is fixedly connected to the top of the first spring, there are four support blocks, a capacitor body is fixedly connected between the four support blocks, and a supporting telescopic cylinder is fixedly connected to the bottom of the capacitor body. The large-scale safe explosion-proof aluminum electrolytic capacitor can quickly release the capacitor when the pressure is too high through the impact mechanism, so as to avoid the phenomenon that the internal capacitor and other equipment may be broken due to the pressure not being released in time when the pressure is too high.

Description

Technical Field

[0001] The invention relates to the technical field of explosion-proof aluminum electrolytic capacitors, in particular to a large-scale safe explosion-proof aluminum electrolytic capacitor. Background Art

[0002] Aluminum electrolytic capacitors are made of an aluminum cylinder as the negative electrode, filled with liquid electrolyte, and a curved aluminum strip inserted as the positive electrode. It also needs to be treated with DC voltage to form an oxide film on the positive electrode as a medium. It has the characteristics of large capacity, but large leakage, poor stability, positive and negative polarity, and is suitable for power supply filtering or low-frequency circuits.

[0003] According to patent number CN113363077B, a large-scale safe explosion-proof aluminum electrolytic capacitor is disclosed, which includes an aluminum shell and a sealing rubber layer, a core and an electrode arranged in the aluminum shell, a lead is welded on the electrode, an explosion-proof groove is opened at the bottom of the aluminum shell, and a pressure relief device for relieving the explosion pressure of the capacitor is installed in the explosion-proof groove. The pressure relief device includes a spiral pipe, a reflux pipe, a sealing plug, a buffer spring and a guide mechanism.

[0004] This large-scale safe and explosion-proof aluminum electrolytic capacitor, when the capacitor expands due to excessive pressure, drives the plug and the threaded sleeve to move downward. Due to the characteristics of the screw and the threaded sleeve, the piston moves very slowly, and it is not possible to quickly release the excessive pressure on the capacitor, which may cause the internal capacitor and other equipment to rupture due to the lack of time to release the pressure when the pressure is too high. Summary of the invention

[0005] The purpose of the present invention is to provide a large-scale safe explosion-proof aluminum electrolytic capacitor to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a large-scale safe explosion-proof aluminum electrolytic capacitor, comprising an explosion-proof shell, an impact mechanism is fixedly connected inside the explosion-proof shell, a pressure relief mechanism is fixedly connected in the middle of the explosion-proof shell, and pressure relief mechanisms are fixedly connected at the left and right ends of the explosion-proof shell;

[0007] The impact mechanism comprises a first spring, the first spring is fixedly connected to the bottom end inside the explosion-proof shell, the top of the first spring is fixedly connected to a support block, there are four support blocks, a capacitor body is fixedly connected between the four support blocks, the bottom of the capacitor body is fixedly connected to a support telescopic cylinder, a support telescopic member is slidably connected inside the support telescopic cylinder, the bottom end of the support telescopic member is fixedly connected to the bottom end inside the explosion-proof shell, the bottom edge of the capacitor body is respectively fixedly connected to a hinge rod, the bottom end of the hinge rod is hinged to a special-shaped slider, a hollow sliding seat is provided on the surface of the special-shaped slider, a sliding rod is fixedly connected to the left end of the hollow sliding seat, the left end of the sliding rod is rotatably connected to a T-shaped hinge rod, there are two T-shaped hinge rods, a support rotating rod is slidably connected between the two T-shaped hinge rods, an I-shaped round piece is rotatably connected inside the support rotating rod, the front and rear ends of the I-shaped round piece are respectively rotatably connected to the front and rear sides inside the explosion-proof shell, the top of the T-shaped hinge rod is hinged to a bottom block, the top of the bottom block is fixedly connected to a connecting rod, and the top of the connecting rod is fixedly connected to an exhaust column.

[0008] According to the above technical scheme, a slide groove is opened inside the hollow slide seat, the surface of the special-shaped slider is slidably connected to the inside of the slide groove, the bottom end of the hollow slide seat is fixedly connected to the bottom end of the explosion-proof shell, a through hole is opened inside the support rotating rod, and the middle of the surface of the I-shaped round piece runs through the through hole opened inside the support rotating rod, driving the bottom end of the T-shaped hinge rod to move, and then the T-shaped hinge rod drives the support rotating rod to rotate, and when the support rotating rod rotates, it uses the I-shaped round piece to provide support, thereby driving the connecting rod on the bottom block to move upward inside the exhaust inner cylinder, and performing a diversion effect on the gas during movement, thereby preventing the gas from diffusing everywhere inside the device due to excessive pressure.

[0009] According to the above technical solution, a circular opening is opened near the bottom inside the explosion-proof shell, the surface of the capacitor body is located inside the circular opening, straight grooves are opened around the circular opening of the explosion-proof shell, an opening is opened on one side of the straight groove, there are four support blocks, and the surfaces of the four support blocks are slidably connected to the inside of the straight groove, and the first spring is located inside the straight groove.

[0010] According to the above technical solution, the pressure relief mechanism includes a connecting round block, which is fixedly connected to the middle of the explosion-proof shell, one end of the connecting round block is fixedly connected to a telescopic tube, there are two telescopic tubes, a connecting round frame is fixedly connected between the two telescopic tubes, the right end of the connecting round frame is fixedly connected to a movable rod, the right end of the movable rod is fixedly connected to a conical block, the front and rear ends of the connecting round frame are respectively fixedly connected to T-shaped friction blocks, a friction rod is arranged inside the T-shaped friction block, the front and rear ends of the T-shaped friction block are respectively fixedly connected to friction springs, and the left end of the telescopic tube is fixedly connected to an exhaust block.

[0011] According to the above technical solution, a conical hole is opened inside the connecting circular block, the surface of the conical block is conical, the surface of the conical block is fitted with the inside of the conical hole, and an opening is opened in the middle of the connecting circular frame. During the rapid transportation of gas, the gas drives the conical block to move and allows the conical block to detach from the conical hole, and the distance between the conical block and the conical hole is enlarged, so that the gas can pass through conveniently and be discharged in a timely and effective manner, thereby avoiding excessive accumulation of gas inside the explosion-proof shell and causing damage to the equipment.

[0012] According to the above technical solution, a friction hole is opened inside the T-shaped friction block, the surface of the friction rod is tightly fitted with the inside of the friction hole opened in the T-shaped friction block, and the left end of the exhaust block is fixedly connected to the inner side of the explosion-proof shell. When the gas drives the conical block to move, it drives the movable rod, the connecting round frame and the T-shaped friction block to perform friction movement on the surface of the friction rod and partially offset the force generated by the gas. In addition, the friction spring is combined to support the conical block when it moves.

[0013] According to the above technical solution, rectangular grooves are respectively opened at the left and right ends of the explosion-proof shell, the exhaust block and the connecting round block are both located inside the rectangular grooves, and exhaust holes are respectively opened at the left and right ends of the rectangular grooves.

[0014] According to the above technical solution, the pressure relief mechanism includes an exhaust long rod, which is fixedly connected to the left and right ends of the explosion-proof shell, an exhaust outer cylinder is fixedly connected to the inside of the exhaust long rod, an exhaust inner cylinder is fixedly connected to the top of the exhaust outer cylinder, a supporting round seat is fixedly connected to the left side of the explosion-proof shell, a second spring is fixedly connected to the right side of the supporting round seat, the left end of the second spring is fixedly connected to a limiting plate, the left end of the limiting plate is fixedly connected to an exhaust ring, and the exhaust ring is fixedly connected to an exhaust plate.

[0015] According to the above technical solution, air diffusion holes are provided on the surface of the exhaust inner cylinder, openings are provided at the bottom of the exhaust outer cylinder and the right end of the bottom of the exhaust inner cylinder, and the surface of the exhaust column is slidably connected to the inside of the exhaust inner cylinder. When the exhaust column moves upward, it squeezes the gas delivered by the pressure relief mechanism inside the exhaust inner cylinder, and can assist in pushing the internal gas upward, so that the gas inside the exhaust inner cylinder can be discharged promptly and quickly, avoiding damage to the equipment caused by excessive pressure inside the explosion-proof shell.

[0016] According to the above technical solution, a smooth cavity is opened inside the supporting round seat, the surface of the limiting plate is located inside the smooth cavity, and the surface of the exhaust ring is opened with exhaust holes.

[0017] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0018] 1. The large-scale safe and explosion-proof aluminum electrolytic capacitor drives the bottom end of the T-shaped hinge rod to move through the impact mechanism, and then the T-shaped hinge rod drives the support rotating rod to rotate. When the support rotating rod rotates, it uses the I-shaped round piece to support, and then drives the connecting rod on the bottom block to move upward inside the exhaust inner cylinder, and guides the gas during movement, thereby preventing the gas from diffusing everywhere inside the device due to excessive pressure. In addition, it moves quickly and can quickly release the capacitor when the pressure is too high, avoiding the phenomenon that the internal capacitor and other equipment may be ruptured due to the pressure not being released in time when the pressure is too high.

[0019] 2. This large-scale safe explosion-proof aluminum electrolytic capacitor has a pressure-relief mechanism, and during the rapid transportation of gas, the gas drives the conical block to move and allows the conical block to leave the conical hole, and the distance between the conical block and the conical hole is enlarged, so that the gas can pass through and be discharged in time and effectively, thereby avoiding excessive accumulation of gas inside the explosion-proof shell and damage to the equipment.

[0020] 3. This large-scale safe and explosion-proof aluminum electrolytic capacitor has a pressure-relief mechanism. When the gas drives the conical block to move, it drives the movable rod, the connecting round frame and the T-shaped friction block to perform friction movement on the surface of the friction rod, and partially offsets the force generated by the gas. In addition, the friction spring is combined to support the movement of the conical block.

[0021] 4. This large-scale safe explosion-proof aluminum electrolytic capacitor, through the set pressure discharge mechanism, when the exhaust column moves upward, it squeezes the gas delivered by the pressure relief mechanism inside the exhaust inner cylinder, and can assist in pushing the internal gas upward, so that the gas inside the exhaust inner cylinder can be discharged promptly and quickly to avoid damage to the equipment caused by excessive pressure inside the explosion-proof shell. In addition, when exhausting, the gas passes through the inside of the supporting round seat and squeezes the limit plate to move, thereby squeezing the exhaust ring to move, and the gas is discharged from the exhaust hole opened on the surface of the exhaust ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a three-dimensional diagram of the structure of the present invention;

[0024] Figure 2 It is a three-dimensional schematic diagram of the internal parts of the structure of the present invention;

[0025] Figure 3 It is a three-dimensional schematic diagram of the impact mechanism of the structure of the present invention;

[0026] Figure 4 It is a three-dimensional schematic diagram of some parts of the impact mechanism of the structure of the present invention;

[0027] Figure 5 It is a three-dimensional cross-sectional schematic diagram of the pressure relief mechanism of the structure of the present invention;

[0028] Figure 6 It is a three-dimensional split cross-sectional schematic diagram of the pressure relief mechanism of the present invention;

[0029] Figure 7 It is a three-dimensional cross-sectional schematic diagram of the explosion-proof housing structure of the present invention;

[0030] Figure 8 for Figure 3 The enlarged structural diagram at A in the middle;

[0031] Fig. 9 for Figure 7 Enlarged structural diagram at B in the middle.

[0032] In the figure: 1. explosion-proof housing; 2. impact mechanism; 21. first spring; 22. support block; 23. capacitor body; 24. support telescopic cylinder; 241. support telescopic member; 25. hinged rod; 251. special-shaped slider; 252. hollow slide seat; 26. slide rod; 261. T-shaped hinged rod; 27. support rotating rod; 272. I-shaped round member; 28. bottom block; 29. ​​connecting rod; 291. exhaust column; 3. buffer Pressure mechanism; 31. Connecting round block; 32. Telescopic tube; 33. Connecting round frame; 34. Movable rod; 35. Conical block; 36. T-shaped friction block; 37. Friction spring; 38. Friction rod; 39. Exhaust block; 4. Pressure relief mechanism; 41. Exhaust long rod; 42. Exhaust outer cylinder; 43. Exhaust inner cylinder; 44. Supporting round seat; 45. Second spring; 46. Limiting plate; 47. Exhaust ring; 48. Exhaust plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] The present invention provides the following technical solutions: Embodiment 1

[0035] Combination Figures 2 to 9A large-scale safe explosion-proof aluminum electrolytic capacitor comprises an explosion-proof shell 1, an impact mechanism 2 is fixedly connected inside the explosion-proof shell 1, a pressure relief mechanism 3 is fixedly connected in the middle of the explosion-proof shell 1, and pressure relief mechanisms 4 are fixedly connected at the left and right ends of the explosion-proof shell 1;

[0036] The impact mechanism 2 includes a first spring 21, which is fixedly connected to the bottom end of the explosion-proof shell 1. A support block 22 is fixedly connected to the top of the first spring 21. There are four support blocks 22. A capacitor body 23 is fixedly connected between the four support blocks 22. A support telescopic cylinder 24 is fixedly connected to the bottom of the capacitor body 23. A support telescopic member 241 is slidably connected inside the support telescopic cylinder 24. The bottom end of the support telescopic member 241 is fixedly connected to the bottom end of the explosion-proof shell 1. The bottom edges of the capacitor body 23 are respectively fixedly connected to hinged rods 25. The bottom ends of the hinged rods 25 are hinged to special-shaped sliders 251. A hollow slide seat 252 is arranged on the surface of the special-shaped slider 251. A slide rod 26 is fixedly connected to the left end of the hollow slide seat 252. The left end of the slide rod 26 is rotatably connected to a T-shaped hinge. There are two connecting rods 261, T-shaped hinge rods 261, a supporting rotating rod 27 is slidably connected between the two T-shaped hinge rods 261, and an I-shaped round piece 272 is rotatably connected inside the supporting rotating rod 27. The front and rear ends of the I-shaped round piece 272 are respectively rotatably connected to the front and rear sides inside the explosion-proof shell 1. The top of the T-shaped hinge rod 261 is hinged with a bottom block 28, and the top of the bottom block 28 is fixedly connected with a connecting rod 29, and the top of the connecting rod 29 is fixedly connected with an exhaust column 291. A sliding groove is provided inside the hollow slide 252, and the surface of the special-shaped slider 251 is slidably connected to the inside of the sliding groove. The bottom end of the hollow slide 252 is fixedly connected to the bottom end of the explosion-proof shell 1. A through hole is provided inside the supporting rotating rod 27, and a through hole is provided in the middle of the surface of the I-shaped round piece 272 that runs through the inside of the supporting rotating rod 27.

[0037] Furthermore, a circular opening is provided near the bottom inside the explosion-proof shell 1, and the surface of the capacitor body 23 is located inside the circular opening. Straight grooves are provided around the circular opening of the explosion-proof shell 1, and an opening is provided on one side of the straight groove. There are four support blocks 22, and the surfaces of the four support blocks 22 are slidably connected to the inside of the straight grooves. The first spring 21 is located inside the straight grooves, driving the bottom end of the T-shaped hinge rod 261 to move, and then the T-shaped hinge rod 261 drives the support rotating rod 27 to rotate, and when the support rotating rod 27 rotates, it uses the I-shaped round piece 272 to support, and then drives the connecting rod 29 on the bottom block 28 to move upward inside the exhaust inner cylinder 43, and performs a diversion effect on the gas during movement, thereby preventing the gas from diffusing everywhere inside the device due to excessive pressure, and its moving speed is fast, and it can quickly release the capacitor when the pressure is too high, avoiding the phenomenon that the internal capacitor and other equipment may be ruptured due to the pressure not being released in time when the pressure is too high. Embodiment 2

[0038] See also Figure 1-9 On the basis of the first embodiment, the pressure relief mechanism 3 further comprises a connecting round block 31, the connecting round block 31 is fixedly connected to the middle of the explosion-proof housing 1, one end of the connecting round block 31 is fixedly connected to a telescopic tube 32, there are two telescopic tubes 32, a connecting round frame 33 is fixedly connected between the two telescopic tubes 32, the right end of the connecting round frame 33 is fixedly connected to a movable rod 34, the right end of the movable rod 34 is fixedly connected to a conical block 35, the front and rear ends of the connecting round frame 33 are respectively fixedly connected to T-shaped friction blocks 36, and the T-shaped friction block 36 is provided inside A friction rod 38 is provided, and friction springs 37 are fixedly connected to the front and rear ends of the T-shaped friction block 36 respectively. An exhaust block 39 is fixedly connected to the left end of the telescopic tube 32. A conical hole is opened inside the connecting circular block 31, and the surface of the conical block 35 is conical, and the surface of the conical block 35 fits with the inside of the conical hole. An opening is opened in the middle of the connecting circular frame 33, and a friction hole is opened inside the T-shaped friction block 36. The surface of the friction rod 38 is tightly fitted with the inside of the friction hole opened in the T-shaped friction block 36, and the left end of the exhaust block 39 is fixedly connected to the inner side of the explosion-proof shell 1.

[0039] Furthermore, rectangular grooves are respectively provided at the left and right ends of the explosion-proof shell 1, and the exhaust block 39 and the connecting circular block 31 are both located inside the rectangular grooves. Exhaust holes are respectively provided at the left and right ends of the rectangular grooves. During the rapid transportation of gas, the gas drives the conical block 35 to move and allows the conical block 35 to leave the conical hole, and increases the distance between the conical block 35 and the conical hole, so that the gas can pass through and be discharged in a timely and effective manner, thereby avoiding excessive accumulation of gas inside the explosion-proof shell 1 and damage to the equipment. When the gas drives the conical block 35 to move, it drives the movable rod 34, the connecting circular frame 33 and the T-shaped friction block 36 to perform friction movement on the surface of the friction rod 38, and partially offsets the force generated by the gas. In addition, the friction spring 37 is combined to support the conical block 35 when it moves. Embodiment 3

[0040] See also Figure 1-9 , and on the basis of Example 1, it is further obtained that the pressure relief mechanism 4 includes an exhaust long rod 41, the exhaust long rod 41 is fixedly connected to the left and right ends inside the explosion-proof shell 1, an exhaust outer cylinder 42 is fixedly connected inside the exhaust long rod 41, and an exhaust inner cylinder 43 is fixedly connected to the top of the exhaust outer cylinder 42, a support round seat 44 is fixedly connected to the left side of the explosion-proof shell 1, a second spring 45 is fixedly connected to the right side inside the support round seat 44, the left end of the second spring 45 is fixedly connected to a limiting plate 46, the left end of the limiting plate 46 is fixedly connected to an exhaust ring 47, the exhaust ring 47 is fixedly connected to an exhaust plate 48, the surface of the exhaust inner cylinder 43 is provided with air diffusion holes, the bottom of the exhaust outer cylinder 42 and the right end of the bottom of the exhaust inner cylinder 43 are provided with openings, and the surface of the exhaust column 291 is slidably connected to the inside of the exhaust inner cylinder 43.

[0041] Furthermore, a smooth cavity is opened inside the supporting circular seat 44, the surface of the limiting plate 46 is located inside the smooth cavity, and an exhaust hole is opened on the surface of the exhaust ring 47. When the exhaust column 291 moves upward, it squeezes the gas delivered from the exhaust inner cylinder 43 by the pressure relief mechanism 3 inside the exhaust inner cylinder 43, and can assist in pushing the internal gas upward, so that the gas inside the exhaust inner cylinder 43 can be discharged promptly and quickly to avoid damage to the equipment caused by excessive pressure inside the explosion-proof shell 1. In addition, when exhausting, the gas passes through the inside of the supporting circular seat 44 and squeezes the limiting plate 46 to move, thereby squeezing the exhaust ring 47 to move, and the gas is discharged from the exhaust hole opened on the surface of the exhaust ring 47.

[0042] In actual operation, when this device is used, when the capacitor body 23 fails and the pressure inside the explosion-proof shell 1 increases suddenly, the pressure inside the explosion-proof shell 1 presses the capacitor body 23 downward to move downward, and then drives the support block 22 connected to the capacitor body 23 to compress the first spring 21 downward under the limiting action inside the straight groove to move, and when the capacitor body 23 moves, it drives the hinged rod 25 to rotate and drives the special-shaped slider 251 to move under the supporting action inside the hollow slide seat 252, and then drives the slide bar 26 at one end of the special-shaped slider 251 to move inside the hollow slide seat 252, and drives the bottom end of the T-shaped hinge rod 261 to move, and then the T-shaped hinge rod 261 drives the support rotating rod 27 to rotate, and when the support rotating rod 27 rotates, it uses the I-shaped round piece 272 to provide support, and then drives the connecting rod 29 on the bottom block 28 to move upward inside the exhaust inner cylinder 43, and performs a diversion effect on the gas movement;

[0043] During the rapid transportation of gas, the gas drives the conical block 35 to move and allows the conical block 35 to leave the conical hole, and the distance between the conical block 35 and the conical hole is enlarged, so that the gas can pass through and be discharged in a timely and effective manner, thereby avoiding excessive accumulation of gas inside the explosion-proof housing 1 and damage to the equipment. When the gas drives the conical block 35 to move, it drives the movable rod 34, the connecting round frame 33 and the T-shaped friction block 36 to perform friction movement on the surface of the friction rod 38, and partially offsets the force generated by the gas. In addition, the friction spring 37 is combined to support the conical block 35 when it moves;

[0044] When the exhaust column 291 moves upward, it squeezes the gas delivered by the pressure relief mechanism 3 inside the exhaust inner cylinder 43, and can assist in pushing the internal gas upward, so that the gas inside the exhaust inner cylinder 43 can be discharged promptly and quickly to avoid damage to the equipment caused by excessive pressure inside the explosion-proof shell 1. In addition, when exhausting, the gas passes through the inside of the supporting round seat 44 and squeezes the limit plate 46 to move, thereby squeezing the exhaust ring 47 to move, and the gas is discharged from the exhaust hole opened on the surface of the exhaust ring 47.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A large-scale safe explosion-proof aluminum electrolytic capacitor, comprising an explosion-proof housing (1), characterized in that: An impact mechanism (2) is fixedly connected inside the explosion-proof housing (1), a pressure relief mechanism (3) is fixedly connected in the middle of the explosion-proof housing (1), and pressure relief mechanisms (4) are fixedly connected at the left and right ends of the explosion-proof housing (1); The impact mechanism (2) comprises a first spring (21), the first spring (21) being fixedly connected to the bottom end of the explosion-proof housing (1), the top end of the first spring (21) being fixedly connected to a support block (22), the support blocks (22) being four in number, a capacitor body (23) being fixedly connected between the four support blocks (22), the bottom of the capacitor body (23) being fixedly connected to a support telescopic cylinder (24), the inside of the support telescopic cylinder (24) being slidably connected to a support telescopic member (241), the bottom end of the support telescopic member (241) being fixedly connected to the bottom end of the explosion-proof housing (1), the bottom edge of the capacitor body (23) being fixedly connected to hinged rods (25), the bottom end of the hinged rods (25) being hinged to a special-shaped slider (251), the surface of the special-shaped slider (251) being provided with a hollow slide seat (252), the left end of the hollow slide seat (252) being fixedly connected to a slide rod (26), the left end of the slide rod (26) being rotatably connected to the There are two T-shaped hinged rods (261), a support rotating rod (27) is slidably connected between the two T-shaped hinged rods (261), an I-shaped round piece (272) is rotatably connected inside the support rotating rod (27), and the front and rear ends of the I-shaped round piece (272) are respectively rotatably connected to the front and rear sides inside the explosion-proof shell (1), and the top of the T-shaped hinged rod (261) is hingedly connected to a bottom block (28), and the top of the bottom block (28) is fixedly connected to A connecting rod (29) is connected, the top of the connecting rod (29) is fixedly connected to an exhaust column (291), a slide groove is provided inside the hollow slide seat (252), the surface of the special-shaped slide block (251) is slidably connected to the inside of the slide groove, the bottom end of the hollow slide seat (252) is fixedly connected to the bottom end of the inside of the explosion-proof housing (1), a through hole is provided inside the support rotating rod (27), and a through hole is provided in the middle of the surface of the I-shaped round piece (272) that penetrates through the inside of the support rotating rod (27); The pressure relief mechanism (3) comprises a connecting round block (31), the connecting round block (31) being fixedly connected to the middle of the explosion-proof housing (1), one end of the connecting round block (31) being fixedly connected to a telescopic tube (32), two telescopic tubes (32) being provided, a connecting round frame (33) being fixedly connected between the two telescopic tubes (32), the right end of the connecting round frame (33) being fixedly connected to a movable rod (34), the right end of the movable rod (34) being fixedly connected to a conical block (35), the connecting round frame (33) The front and rear ends are respectively fixedly connected with T-shaped friction blocks (36), a friction rod (38) is arranged inside the T-shaped friction block (36), the front and rear ends of the T-shaped friction block (36) are respectively fixedly connected with friction springs (37), the left end of the telescopic tube (32) is fixedly connected with an exhaust block (39), a conical hole is opened inside the connecting round block (31), the surface of the conical block (35) is conical, the surface of the conical block (35) is in contact with the inside of the conical hole, and an opening is opened in the middle of the connecting round frame (33); The pressure relief mechanism (4) comprises an exhaust long rod (41), the exhaust long rod (41) being fixedly connected to the left and right ends inside the explosion-proof housing (1), an exhaust outer cylinder (42) being fixedly connected inside the exhaust long rod (41), an exhaust inner cylinder (43) being fixedly connected to the top end inside the exhaust outer cylinder (42), a support round seat (44) being fixedly connected to the left side of the explosion-proof housing (1), a second spring (45) being fixedly connected to the right side inside the support round seat (44), a left end of the second spring (45) being fixedly connected to a limiting plate (46), The left end of the limiting plate (46) is fixedly connected to an exhaust ring (47), the exhaust ring (47) is fixedly connected to an exhaust plate (48), the surface of the exhaust inner cylinder (43) is provided with air diffusion holes, the bottom of the exhaust outer cylinder (42) and the right end of the bottom of the exhaust inner cylinder (43) are provided with openings, the surface of the exhaust column (291) is slidably connected to the inside of the exhaust inner cylinder (43), the support round seat (44) is provided with a smooth cavity, the surface of the limiting plate (46) is located inside the smooth cavity, and the surface of the exhaust ring (47) is provided with exhaust holes.

2. A large-scale safety explosion-proof aluminum electrolytic capacitor according to claim 1, characterized in that: A circular opening is provided near the bottom of the explosion-proof housing (1), the surface of the capacitor body (23) is located inside the circular opening, straight grooves are provided around the circular opening of the explosion-proof housing (1), one side of the straight grooves has an opening, there are four support blocks (22), the surfaces of the four support blocks (22) are respectively slidably connected to the inside of the straight grooves, and the first spring (21) is located inside the straight grooves.

3. A large-scale safety explosion-proof aluminum electrolytic capacitor according to claim 2, characterized in that: A friction hole is provided inside the T-shaped friction block (36), the surface of the friction rod (38) is tightly fitted inside the friction hole provided in the T-shaped friction block (36), and the left end of the exhaust block (39) is fixedly connected to the inner side surface of the explosion-proof housing (1).

4. A large-scale safety explosion-proof aluminum electrolytic capacitor according to claim 3, characterized in that: Rectangular grooves are respectively provided at the left and right ends of the explosion-proof housing (1), the exhaust block (39) and the connecting circular block (31) are both located inside the rectangular grooves, and exhaust holes are respectively provided at the left and right ends of the rectangular grooves.

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