CN113270272B - Solid-state aluminum electrolytic capacitor - Google Patents
Solid-state aluminum electrolytic capacitor Download PDFInfo
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- CN113270272B CN113270272B CN202110360352.8A CN202110360352A CN113270272B CN 113270272 B CN113270272 B CN 113270272B CN 202110360352 A CN202110360352 A CN 202110360352A CN 113270272 B CN113270272 B CN 113270272B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 108
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 60
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000000853 adhesive Substances 0.000 claims abstract description 13
- 230000001070 adhesive effect Effects 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 42
- 239000011888 foil Substances 0.000 claims description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 15
- 229920000297 Rayon Polymers 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000005253 cladding Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 7
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920005575 poly(amic acid) Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
- H01G9/012—Terminals specially adapted for solid capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention belongs to the technical field of capacitors, and particularly relates to a solid-state aluminum electrolytic capacitor which comprises a shell, a folding rod, a light-emitting diode, a positive rod and a negative rod, wherein the folding rod is arranged on the shell; the bottom of the shell is bonded with the core bag through adhesive; the other end of the positive rod is fixedly connected with a folding rod; the folding rod is made of two-way shape memory metal; the other end of the cathode bar is fixedly connected with a folding rod; one end of the shell is provided with a rubber pad; the center of the outer surface of the rubber pad is fixedly connected with a light emitting diode; the folding rod can be contacted with the corresponding connecting seat after being straightened; according to the invention, the folding rods are matched with the light-emitting diodes, so that the folding rods are heated and straightened to be in contact with the corresponding connecting seats when the solid-state aluminum electrolytic capacitor fails, the light-emitting diodes are lightened, a worker can rapidly determine the position of the failed capacitor and carry out fault removal, the worker does not need to measure the capacitor one by one, and the working efficiency of the worker is improved.
Description
Technical Field
The invention belongs to the technical field of capacitors, and particularly relates to a solid-state aluminum electrolytic capacitor.
Background
With the rapid development of electronic information technology, the yield of consumer electronic products is continuously increased, and the development of capacitor industry is promoted, wherein a capacitor is an original element for storing electric quantity and electric energy, the capacity of the capacitor for containing electric charge is generally referred to as capacitor and is expressed by letter C, and the basic unit of the electric capacity is farad and is expressed by letter F; capacitors, which are capable of storing electric charge, are one of the most commonly used electronic components in electronic devices, and are widely used in electrical circuits for coupling, filtering, resonance, tuning loops, and control. The simplest capacitor is composed of polar plates at two ends and an insulating dielectric medium in the middle, after the capacitor is electrified, the polar plates are electrified to form potential difference, the whole capacitor is not conductive due to the insulating substance in the middle, but when the critical voltage of the capacitor is exceeded, the capacitor is broken down, and the capacitor can be conductive; the biggest difference between the solid-state aluminum electrolytic capacitor and the common capacitor is that different dielectric materials are adopted, the dielectric material of the solid-state aluminum electrolytic capacitor is usually a conductive high polymer material, ESR can be greatly reduced, and the temperature frequency characteristic can be improved, but in the prior art, the failure of the capacitor is mainly caused by the short circuit of a circuit, the short circuit current is too large, the internal temperature of the capacitor can be increased, and the internal pressure is increased; when the polarity of the capacitor is reversed, too high voltage on the circuit board can form large current in the capacitor, the capacitor is rapidly heated, the decomposition and failure of the internal electrolyte are caused, the circuit breaks down, a worker needs to use a universal meter to check the capacitors in the circuit one by one, the process is time-consuming and labor-consuming, and the working efficiency is influenced.
The prior art also presents some technical solutions related to solid-state aluminum electrolytic capacitors, for example, a chinese patent with application number CN201810309964.2 discloses a solid-state aluminum electrolytic capacitor, which is formed by winding positive and negative foils and electrolytic paper into a core package, the positive and negative foils are riveted with leads, the leads on the core package pass through glue plug holes and are assembled with an aluminum shell together, wherein a conductive polymer grows in the core package, and polyimide material impregnated protective layers are formed at the aluminum foil cutting positions of the upper and lower surfaces of the core package, and are formed by impregnating the upper and lower surfaces of the core package formed by winding in a soluble polyamic acid solution and then heating to 220-320 ℃ for dehydration forming; the technical scheme improves the high ripple current resistance of the product, can effectively protect the position defect of the cut edge, reduces the leakage current of the product and improves the reliability of the product; but when this technical scheme can not solve the condenser and become invalid, the staff need use the universal meter to measure the investigation to the condenser one by one and to the protection problem of circuit, and this process is wasted time and energy, has caused the limitation of this scheme.
In view of the above, in order to overcome the above technical problems, the present invention provides a solid aluminum electrolytic capacitor, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the folding rod is matched with the light-emitting diode, so that the folding rod is in contact with the corresponding connecting seat after being heated and straightened when the solid-state aluminum electrolytic capacitor fails, the light-emitting diode is lightened, a worker can quickly determine the position of the failed capacitor and carry out fault elimination, the worker does not need to measure the capacitors one by one, meanwhile, the interior of the capacitor is in an insulation state, a circuit is protected, the circuit is prevented from being damaged by overlarge current, and the working efficiency of the worker is improved.
The technical scheme adopted by the invention for solving the technical problem is as follows: the solid-state aluminum electrolytic capacitor comprises a shell, a core cladding, a positive rod and a negative rod, and further comprises a folding rod and a light-emitting diode; the shell is cylindrical, an opening is formed in one end of the shell, the shell is made of an insulating rubber material, and a core bag is bonded to the bottom of the shell through adhesive; the core package is formed by winding electrolytic paper wrapped cathode foil and anode foil, and is wound into a cylinder shape; the anode foil and the cathode foil are both connected with insulating sleeves in a sliding manner; the anode rod and the cathode rod are fixedly connected in the corresponding insulating sleeves; one end of the positive rod is in contact with the positive foil, the other end of the positive rod is wrapped by the insulating sleeve, one end of the positive rod penetrates through the shell to extend to the outside, and the other end of the positive rod is fixedly connected with the folding rod; the folding rod is made of two-way shape memory metal; one end of the negative rod is in contact with the cathode foil, the other end of the negative rod is wrapped by the insulating sleeve, one end of the negative rod penetrates through the shell to extend to the outside, and the other end of the negative rod is fixedly connected with the folding rod; one end of the shell is provided with a rubber pad; the center of the outer surface of the rubber pad is fixedly connected with a light emitting diode; the anode and the cathode of the light-emitting diode penetrate through the rubber pad and are fixedly connected with a connecting seat; the connecting seats are arranged close to the corresponding folding rods; the high temperature generated by the failure of the core bag can straighten the folding rod; the folding rod is straightened and can be contacted with the corresponding connecting seat;
when the circuit works, due to the defects of the prior art, if the capacitors in the circuit board are in fault, workers need to use a universal meter to check the capacitors in the circuit one by one, and a large number of capacitors are usually used in the circuit, if the fault cannot be eliminated in time, the circuit can be damaged due to long-time overload current and high temperature, so that greater loss is caused, the process is time-consuming and labor-consuming, and the working efficiency is influenced;
therefore, when the solid-state aluminum electrolytic capacitor fails due to short circuit of a circuit, the internal temperature of the capacitor can be increased due to overlarge current, and the high-temperature deformation of the two-way shape memory metal can be generated when the working temperature exceeds the normal working temperature by 70 ℃; because the anode bar and the cathode bar in the core bag are respectively connected with the corresponding folding rods, the folding rods can be changed into a straightened state from a bent folded state by the heat transferred by the corresponding anode bar and the corresponding cathode bar, the folding rods can be contacted with the corresponding connecting seats after being straightened, and the connecting seats are respectively connected with the anode and the cathode of the light-emitting diode, so that the light-emitting diode is lightened;
according to the invention, the folding rod is matched with the light-emitting diode, so that the folding rod is contacted with the corresponding connecting seat after being heated and straightened when the solid-state aluminum electrolytic capacitor fails, the light-emitting diode is lightened, a worker can rapidly determine the position of the failed capacitor and carry out fault removal, the worker does not need to measure the capacitors one by one, and the working efficiency of the worker is improved.
Preferably, the rubber pad is connected with the inner wall of the shell in a sliding manner; a fixed rod is arranged between the rubber pad and the core bag; one end of the fixed rod is fixedly connected with the rubber pad, and the other end of the fixed rod is fixedly connected with the core bag; the shell is fixedly connected with the positive pole rod and the negative pole rod at the same time; the tension generated by the folding rod after being heated and straightened is larger than the adhesive force of the viscose; the folding rod can push the connecting seat to drive the rubber pad to slide along the inner wall of the shell; the core bag can be driven by the fixing rod to move to the other end of the positive rod; the during operation, if solid-state aluminum electrolytic capacitor became invalid, inside high temperature, folding rod were heated and extended when the tension that produces was greater than the adhesive force of viscose for the core package breaks away from the casing and moves to the other end of positive pole stick under the drive of dead lever, and the core package of condenser is inside to be in insulating state this moment, prevents to cause the damage because of the electric current is too big to the condenser, has reduced the influence of condenser damage to the circuit, thereby has protected the operating condition of whole circuit.
Preferably, the rubber pad seals the other end of the shell; the shell is filled with nitrogen; when the solid aluminum electrolytic capacitor core bag is in operation, nitrogen is filled into the shell, the other end of the shell is sealed through the rubber pad, so that a sealed environment is formed inside the shell, the filled nitrogen can effectively reduce the working temperature of the solid aluminum electrolytic capacitor, the stability inside the solid aluminum electrolytic capacitor can be maintained, heat can be transferred to the folding rod when the core bag generates heat, the heat conduction effect is achieved, the folding rod is kept in a shrinkage state, and the working performance of the solid aluminum electrolytic capacitor is optimized.
Preferably, a step hole is formed in the outer side wall of the shell; a one-way valve is arranged in the step hole; the nitrogen can enter the interior of the shell through the one-way valve; during operation, inside nitrogen gas of solid-state aluminum electrolytic capacitor casing passes through the check valve and fills to inside, when the inside nitrogen gas of casing is not enough, can also supply through the check valve for nitrogen gas volume in the casing keeps sufficient, further improvement solid-state aluminum electrolytic capacitor's job stabilization nature.
Preferably, the one-way valve comprises a first spring and a sealing ball; one end of the first spring is fixedly connected with the inner wall of the step hole, and the other end of the first spring is fixedly connected with the sealing ball; a sliding module is arranged around the one-way valve; the sliding module comprises a fixed suspender, a first connecting rod and a second connecting rod; the fixed suspender is U-shaped; the fixed suspender is fixedly connected to the bottom of the shell; the fixed suspender is connected with a second connecting rod in a sliding way; one end of the second connecting rod is fixedly connected with the sealing ball, and the other end of the second connecting rod is hinged with the first connecting rod; the other end of the first connecting rod is hinged to the outer side wall of the core bag; the core package can drive the second connecting rod to slide along the fixed suspender through the first connecting rod; the second connecting rod can drive the sealing ball to move while sliding along the fixed suspender; during operation, the core package breaks away from the casing and moves down and drives No. two connecting rods through a connecting rod and slide on fixed jib, and No. two connecting rods drive the ball sealer simultaneously and move, make the check valve can open, and inside gas can release to the external world through the check valve, has reduced solid-state aluminum electrolytic capacitor's internal pressure, prevents that the condenser from leading to the fact the condenser to burst because of the inside gas thermal expansion of casing, further improvement solid-state aluminum electrolytic capacitor's job stabilization nature.
Preferably, a first groove is formed in the inner wall of one end of the shell; the section of the first groove is rectangular; a second groove is formed in the outer side wall of the rubber pad; the section of the second groove is rectangular, a sliding block is connected in the second groove in a sliding manner, and a second spring is arranged between the bottom of the second groove and the sliding block; one end of the second spring is connected with the sliding block, and the other end of the second spring is connected with the bottom of the second groove; the sliding block can abut against the inner wall of the shell under the action of the elastic force of the second spring; when the rubber pad slides to be close to the first groove; the sliding block can be clamped into the first groove through a second spring; during operation, the folding rod is heated and stretched to abut against the rubber pad and slide towards the other end of the shell, when a groove on the rubber pad and a groove on the shell are communicated, a sliding block in the groove can be clamped into the groove under the action of spring force of the spring, so that the rubber pad is fixed to prevent the interior from being heated and continuously moving, the rubber pad is prevented from returning to enable the interior of the core cladding to be in contact with the positive pole rod and the negative pole rod, the capacitor is enabled to be in a short-circuit state again, the whole circuit is prevented from being damaged due to overlarge current, and the protection of the circuit when the interior of the solid aluminum electrolytic capacitor fails is improved.
The invention has the following beneficial effects:
1. according to the invention, the folding rod is matched with the light-emitting diode, so that the folding rod is contacted with the corresponding connecting seat after being heated and straightened when the solid-state aluminum electrolytic capacitor fails, the light-emitting diode is lightened, a worker can rapidly determine the position of the failed capacitor and carry out fault removal, the worker does not need to measure the capacitors one by one, and the working efficiency of the worker is improved.
2. According to the invention, the core package is separated from the shell and moves towards the other end of the positive rod under the driving of the fixing rod through the tensile force generated by the heating and straightening of the folding rod being larger than the adhesive force of the adhesive, and at the moment, the inside of the core package of the capacitor is in an insulation state, so that the capacitor is prevented from being damaged due to overlarge current, the influence of the damage of the capacitor on a circuit is reduced, and the working state of the whole circuit is protected.
3. According to the invention, the shell is filled with nitrogen, and the other end of the shell is sealed by the rubber pad, so that a sealed environment is formed in the shell, the filled nitrogen can effectively reduce the working temperature of the solid-state aluminum electrolytic capacitor, can maintain the stability in the solid-state aluminum electrolytic capacitor, and can transfer heat to the folding rod when the core cladding generates heat, so that the folding rod is kept in a shrinkage state by a heat conduction effect, and the working performance of the solid-state aluminum electrolytic capacitor is optimized.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is an expanded view of the core pack of the present invention;
FIG. 6 is an enlarged view at C of FIG. 2;
in the figure: 1. a housing; 2. a folding bar; 3. a light emitting diode; 31. connecting a base; 4. a positive electrode bar; 5. a negative electrode rod; 6. a core package; 61. electrolyzing paper; 62. an anode foil; 63. a cathode foil; 64. an insulating sleeve; 7. a rubber pad; 8. fixing the rod; 9. a stepped bore; 91. a one-way valve; 911. a first spring; 912. a sealing ball; 92. a sliding module; 921. a first connecting rod; 922. a second connecting rod; 923. fixing the suspender; 10. a first groove; 11. a second groove; 111. a second spring; 112. a slide block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the solid-state aluminum electrolytic capacitor according to the present invention includes a case 1, a core pack 6, a positive electrode rod 4, a negative electrode rod 5, a folding rod 2, and a light emitting diode 3; the shell 1 is cylindrical, an opening is formed in one end of the shell 1, the shell 1 is made of an insulating rubber material, and a core bag 6 is bonded to the bottom of the shell 1 through adhesive; the core package 6 is made by winding a cathode foil 63 and an anode foil 62 wrapped by electrolytic paper 61, and the core package 6 is wound into a cylindrical shape; an insulating sleeve 64 is connected in the anode foil 62 and the cathode foil 63 in a sliding manner; the positive pole rod 4 and the negative pole rod 5 are fixedly connected in the corresponding insulating sleeve 64; one end of the positive rod 4 is in contact with the anode foil 62, the other end of the positive rod is wrapped by the insulating sleeve 64, one end of the positive rod 4 penetrates through the shell 1 to extend to the outside, and the other end of the positive rod is fixedly connected with the folding rod 2; the folding rod 2 is made of two-way shape memory metal; one end of the negative electrode rod 5 is in contact with the cathode foil 63, the other end of the negative electrode rod is wrapped by the insulating sleeve 64, one end of the negative electrode rod 5 penetrates through the shell 1 and extends to the outside, and the other end of the negative electrode rod 5 is fixedly connected with the folding rod 2; one end of the shell 1 is provided with a rubber pad 7; the center of the outer surface of the rubber pad 7 is fixedly connected with a light-emitting diode 3; the positive pole and the negative pole of the light-emitting diode 3 penetrate through the rubber pad 7 and are fixedly connected with a connecting seat 31; the connecting seats 31 are arranged close to the corresponding folding rods 2; the high temperature generated by the failure of the core package 6 can straighten the folding rod 2; the folding rod 2 can be in contact with the corresponding connecting seat 31 after being straightened;
when the circuit works, due to the defects of the prior art, if the capacitors in the circuit board are in fault, workers need to use a universal meter to check the capacitors in the circuit one by one, and a large number of capacitors are usually used in the circuit, if the fault cannot be eliminated in time, the circuit can be damaged due to long-time overload current and high temperature, so that greater loss is caused, the process is time-consuming and labor-consuming, and the working efficiency is influenced;
therefore, when the solid-state aluminum electrolytic capacitor fails due to short circuit of a circuit, the internal temperature of the capacitor can be increased due to overlarge current, and the high-temperature deformation of the two-way shape memory metal can be generated when the working temperature exceeds the normal working temperature by 70 ℃; because the positive pole rod 4 and the negative pole rod 5 in the core bag 6 are respectively connected with the corresponding folding rods 2, the folding rods 2 can be changed into a straightened state from a bent and folded state by the heat transferred by the corresponding positive pole rod 4 and the corresponding negative pole rod 5, the folding rods 2 can be contacted with the corresponding connecting seats 31 after being straightened, and the connecting seats 31 are respectively connected with the positive pole and the negative pole of the light-emitting diode 3, so that the light-emitting diode 3 is lightened;
according to the invention, the folding rod 2 is matched with the light-emitting diode 3, so that the folding rod 2 is heated and straightened to be in contact with the corresponding connecting seat 31 when the solid-state aluminum electrolytic capacitor fails, the light-emitting diode is lightened, a worker can rapidly determine the position of the failed capacitor and carry out fault removal, the worker does not need to measure the capacitor one by one, and the working efficiency of the worker is improved.
As an embodiment of the present invention, the rubber pad 7 is slidably connected to the inner wall of the housing 1; a fixed rod 8 is arranged between the rubber pad 7 and the core bag 6; one end of the fixed rod 8 is fixedly connected with the rubber pad 7, and the other end of the fixed rod is fixedly connected with the core bag 6; the shell 1 is fixedly connected with the positive rod 4 and the negative rod 5 at the same time; the tension generated by the heating and straightening of the folding rod 2 is greater than the adhesive force of the viscose; the folding rod 2 can push the connecting seat 31 to drive the rubber pad 7 to slide along the inner wall of the shell 1; the core bag 6 can be driven by the fixing rod 8 to move to the other end of the positive pole rod 4; the during operation, if solid-state aluminum electrolytic capacitor became invalid, inside high temperature, folding rod 2 was heated and is straightened when the tension that produces is greater than the adhesive force of viscose for core package 6 breaks away from casing 1 and moves to the other end of positive pole stick 4 under the drive of dead lever 8, and 6 insides of core package of condenser are in insulating state this moment, prevent to cause the damage because of the electric current is too big to the condenser, have reduced the influence of condenser damage to the circuit, thereby have protected the operating condition of whole circuit.
As an embodiment of the present invention, the rubber gasket 7 seals the other end of the housing 1; the shell 1 is filled with nitrogen; when the solid-state aluminum electrolytic capacitor is in operation, nitrogen is filled into the shell 1, the other end of the shell 1 is sealed through the rubber pad 7, so that a sealed environment is formed inside the shell 1, the filled nitrogen can effectively reduce the operating temperature of the solid-state aluminum electrolytic capacitor, the stability inside the solid-state aluminum electrolytic capacitor can be maintained, heat can be transferred to the folding rod 2 when the core package 6 generates heat, the heat conduction effect is achieved, the folding rod 2 is kept in a contraction state, and the operating performance of the solid-state aluminum electrolytic capacitor is optimized.
As an embodiment of the present invention, a stepped hole 9 is provided on an outer side wall of the housing 1; a check valve 91 is arranged in the stepped hole 9; the nitrogen can enter the inside of the casing 1 through the one-way valve 91; during operation, inside nitrogen gas of solid-state aluminum electrolytic capacitor casing 1 is filled to inside through check valve 91, when the inside nitrogen gas of casing 1 is not enough, can also supplement through check valve 91 for the nitrogen gas volume in the casing 1 keeps sufficient, further improvement solid-state aluminum electrolytic capacitor's job stabilization nature.
As an embodiment of the present invention, the check valve 91 includes a first spring 911 and a sealing ball 912; one end of the first spring 911 is fixedly connected with the inner wall of the stepped hole 9, and the other end of the first spring is fixedly connected with the sealing ball 912; a sliding module 92 is arranged around the one-way valve 91; the sliding module 92 comprises a fixed suspender 923, a first connecting rod 921 and a second connecting rod 922; the fixed suspender 923 is U-shaped; the fixed suspender 923 is fixedly connected with the bottom of the shell 1; the fixed suspender 923 is connected with a second connecting rod 922 in a sliding way; one end of the second connecting rod 922 is fixedly connected with the sealing ball 912, and the other end of the second connecting rod 922 is hinged with the first connecting rod 921; the other end of the first connecting rod 921 is hinged on the outer side wall of the core bag 6; the core package 6 can drive the second connecting rod 922 to slide along the fixed suspender 923 through the first connecting rod 921; the second connecting rod 922 slides along the fixed hanger rod 923 while driving the sealing ball 912 to move; during operation, core package 6 breaks away from casing 1 downstream and drives No. two connecting rods 922 through a connecting rod 921 and slide on fixed jib 923, no. two connecting rods 922 drive sealing ball 912 simultaneously and move, make check valve 91 can open, inside gas can release to the external world through check valve 91, the internal pressure of solid-state aluminum electrolytic capacitor has been reduced, prevent that the condenser from leading to the fact the condenser to burst because of the inside gas thermal expansion of casing 1, further improvement solid-state aluminum electrolytic capacitor's job stabilization nature.
As an embodiment of the invention, a first groove 10 is arranged on the inner wall of one end of the shell 1; the section of the first groove 10 is rectangular; a second groove 11 is formed in the outer side wall of the rubber pad 7; the section of the second groove 11 is rectangular, a sliding block 112 is connected in the second groove 11 in a sliding manner, and a second spring 111 is arranged between the bottom of the second groove 11 and the sliding block 112; one end of the second spring 111 is connected with the sliding block 112, and the other end of the second spring is connected with the bottom of the second groove 11; the sliding block 112 can abut against the inner wall of the shell 1 under the action of the elastic force of the second spring 111; when the rubber pad 7 slides to be close to the first groove 10; the sliding block 112 can be clamped into the first groove 10 through the second spring 111; during operation, folding rod 2 is heated and is stretched to push against rubber pad 7 and slide to the other end of casing 1, when recess 10 intercommunication on recess 11 and the casing on the second on the rubber pad 7, slider 112 in recess 11 can block into recess 10 under the effect of spring 111 elasticity for two, thereby fix rubber pad 7 and prevent that inside is heated and continues to move, prevent that rubber pad 7 return makes inside 4 and the negative pole stick 5 contact with positive pole stick of core package 6, thereby make the condenser be in short circuit state once more, prevent to damage the whole circuit because of the electric current is too big, the protection to the circuit when having improved solid-state aluminum electrolytic capacitor inside inefficacy.
When the solid-state aluminum electrolytic capacitor works, when the solid-state aluminum electrolytic capacitor fails due to circuit short circuit, the internal temperature of the capacitor rises due to overlarge current, the positive rod 4 and the negative rod 5 in the core package 6 are respectively connected with the corresponding folding rods 2, so that the folding rods 2 can be in a straightened state due to heat transferred by the corresponding positive rod 4 and the corresponding negative rod 5, the folding rods 2 can be in contact with the corresponding connecting seats 31 after being straightened, and the connecting seats 31 are respectively connected with the positive electrode and the negative electrode of the light-emitting diode 3, so that the light-emitting diode 3 is lightened, a worker can rapidly determine the position of the failed capacitor and remove faults, the worker does not need to measure the capacitor one by one, and the working efficiency of the worker is improved; meanwhile, when the folding rod 2 is heated and straightened to generate tension which is larger than the adhesive force of the adhesive, the core package 6 is separated from the shell 1 and moves to the other end of the positive rod 4 under the drive of the fixing rod 8, and at the moment, the inside of the core package 6 of the capacitor is in an insulation state, so that the capacitor is prevented from being damaged due to overlarge current, the influence of the damage of the capacitor on a circuit is reduced, and the working state of the whole circuit is protected; the inside of the shell 1 is filled with nitrogen, and the other end of the shell 1 is sealed through the rubber pad 7, so that a sealed environment is formed inside the shell 1, the filled nitrogen can effectively reduce the working temperature of the solid-state aluminum electrolytic capacitor, can maintain the stability inside the solid-state aluminum electrolytic capacitor, and can transmit heat to the folding rod 2 when the core package 6 generates heat, so that the heat conduction effect is achieved, the folding rod 2 is kept in a shrinkage state, and the working performance of the solid-state aluminum electrolytic capacitor is optimized; the nitrogen in the solid-state aluminum electrolytic capacitor shell 1 is filled into the shell through the check valve 91, and when the nitrogen in the shell 1 is insufficient, the nitrogen can be supplemented through the check valve 91, so that the nitrogen amount in the shell 1 is kept sufficient, and the working stability of the solid-state aluminum electrolytic capacitor is further improved; the core package 6 is separated from the shell 1 and moves downwards, the first connecting rod 921 drives the second connecting rod 922 to slide on the fixed suspender 923, the second connecting rod 922 drives the sealing ball 912 to move simultaneously, the check valve 91 can be opened, and the internal gas can be released to the outside through the check valve 91, so that the internal pressure of the solid-state aluminum electrolytic capacitor is reduced, the capacitor is prevented from bursting due to the fact that the gas in the shell 1 is heated and expanded, and the working stability of the solid-state aluminum electrolytic capacitor is further improved; folding rod 2 is heated and is stretched and is leaned on rubber pad 7 and slide to the other end of casing 1, when No. two recesses 11 on the rubber pad 7 and No. one recess 10 on the casing communicate, slider 112 in No. two recesses 11 can block into No. one recess 10 under the effect of No. two spring 111 elasticity, thereby fix rubber pad 7 and prevent that inside from being heated and continue to move, prevent that rubber pad 7 return makes inside 4 and the negative pole stick 5 contact with of positive pole stick 6 of core package, thereby make the condenser be in short-circuit state once more, prevent because of the too big whole circuit of damage of electric current, the protection to the circuit when having improved solid-state aluminum electrolytic capacitor internal failure.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A solid-state aluminum electrolytic capacitor comprises a shell (1), a core cladding (6), a positive rod (4) and a negative rod (5), and is characterized in that: the solid-state aluminum electrolytic capacitor also comprises a folding rod (2) and a light-emitting diode (3); the shell (1) is cylindrical, an opening is formed in one end of the shell (1), the shell (1) is made of an insulating rubber material, and a core bag (6) is bonded to the bottom of the shell (1) through adhesive; the core package (6) is formed by winding a cathode foil (63) and an anode foil (62) which are wrapped by electrolytic paper (61), and the core package (6) is wound into a cylinder shape; the anode foil (62) and the cathode foil (63) are both connected with an insulating sleeve (64) in a sliding way; the positive pole rod (4) and the negative pole rod (5) are fixedly connected in the corresponding insulating sleeves (64); one end of the positive rod (4) is in contact with the anode foil (62), the other end of the positive rod is wrapped by the insulating sleeve (64), one end of the positive rod (4) penetrates through the shell (1) to extend to the outside, and the other end of the positive rod is fixedly connected with the folding rod (2); the folding rod (2) is made of two-way shape memory metal; one end of the negative rod (5) is in contact with the cathode foil (63), the other end of the negative rod is wrapped by the insulating sleeve (64), one end of the negative rod (5) penetrates through the shell (1) to extend to the outside, and the other end of the negative rod is fixedly connected with the folding rod (2); one end of the shell (1) is provided with a rubber pad (7); the center of the outer surface of the rubber pad (7) is fixedly connected with a light-emitting diode (3); the anode and the cathode of the light-emitting diode (3) penetrate through the rubber pad (7) and are fixedly connected with a connecting seat (31); the connecting seats (31) are arranged close to the corresponding folding rods (2); the high temperature generated by the failure of the core bag (6) can enable the folding rod (2) to be straightened; the folding rod (2) can be in contact with the corresponding connecting seat (31) after being straightened.
2. The solid-state aluminum electrolytic capacitor according to claim 1, characterized in that: the rubber pad (7) is in sliding connection with the inner wall of the shell (1); a fixed rod (8) is arranged between the rubber pad (7) and the core bag (6); one end of the fixed rod (8) is fixedly connected with the rubber pad (7), and the other end of the fixed rod is fixedly connected with the core bag (6); the shell (1) is fixedly connected with the positive rod (4) and the negative rod (5) at the same time; the tension generated by the heating and straightening of the folding rod (2) is greater than the adhesive force of the viscose; the folding rod (2) can push the connecting seat (31) to drive the rubber pad (7) to slide along the inner wall of the shell (1); the core bag (6) can be driven by the fixing rod (8) to move to the other end of the positive pole rod (4).
3. The solid-state aluminum electrolytic capacitor according to claim 2, characterized in that: the rubber pad (7) seals the other end of the shell (1); and nitrogen is filled in the shell (1).
4. The solid-state aluminum electrolytic capacitor according to claim 3, characterized in that: a step hole (9) is formed in the outer side wall of the shell (1); a one-way valve (91) is arranged in the stepped hole (9); the nitrogen can enter the interior of the shell (1) through the one-way valve (91).
5. The solid-state aluminum electrolytic capacitor according to claim 4, wherein: the check valve (91) comprises a first spring (911) and a sealing ball (912); one end of the first spring (911) is fixedly connected with the inner wall of the stepped hole (9), and the other end of the first spring is fixedly connected with the sealing ball (912); a sliding module (92) is arranged around the one-way valve (91); the sliding module (92) comprises a fixed suspender (923), a first connecting rod (921) and a second connecting rod (922); the fixed suspender (923) is U-shaped; the fixed suspender (923) is fixedly connected to the bottom of the shell (1); the fixed suspender (923) is connected with a second connecting rod (922) in a sliding way; one end of the second connecting rod (922) is fixedly connected with the sealing ball (912), and the other end of the second connecting rod is hinged with the first connecting rod (921); the other end of the first connecting rod (921) is hinged to the outer side wall of the core bag (6); the core bag (6) can drive the second connecting rod (922) to slide along the fixed suspender (923) through the first connecting rod (921); no. two connecting rod (922) can drive sealing ball (912) and remove along fixed jib (923) gliding the time.
6. The solid-state aluminum electrolytic capacitor according to claim 5, wherein: a first groove (10) is formed in the inner wall of one end of the shell (1); the section of the first groove (10) is rectangular; a second groove (11) is formed in the outer side wall of the rubber pad (7); the section of the second groove (11) is rectangular, a sliding block (112) is connected in the second groove (11) in a sliding mode, and a second spring (111) is arranged between the bottom of the second groove (11) and the sliding block (112); one end of the second spring (111) is connected with the sliding block (112), and the other end of the second spring is connected with the bottom of the second groove (11); the sliding block (112) can abut against the inner wall of the shell (1) under the action of the elastic force of the second spring (111); when the rubber pad (7) slides close to the first groove (10); the sliding block (112) can be clamped into the first groove (10) through the second spring (111).
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