CN114578178B - Aluminum electrolytic capacitor bulge test equipment - Google Patents
Aluminum electrolytic capacitor bulge test equipment Download PDFInfo
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- CN114578178B CN114578178B CN202210467875.7A CN202210467875A CN114578178B CN 114578178 B CN114578178 B CN 114578178B CN 202210467875 A CN202210467875 A CN 202210467875A CN 114578178 B CN114578178 B CN 114578178B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/01—Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass production; Testing objects at points as they pass through a testing station
- G01R31/013—Testing passive components
- G01R31/016—Testing of capacitors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/24—Measuring arrangements characterised by the use of fluids for measuring the deformation in a solid
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- Engineering & Computer Science (AREA)
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Abstract
The invention discloses an aluminum electrolytic capacitor bulge test device, belonging to the technical field of capacitor production, which can generate temperature when the current of a capacitor is larger by carrying out power-on test on the capacitor, then the electrolyte is liquefied and expands to generate the situation of bulge, when the bulge phenomenon occurs to the capacitor, the bulge area extrudes the abutting original column, the abutting original column extrudes the early warning liquid in the liquid injection cylinder, the early warning liquid enters the inner liquid filling bag to be expanded, the variable magnetic cover expands under the expansion action of the inner liquid filling bag, the penetrating magnetic field is enhanced, on one hand, the variable magnetic cover counteracts the abutting original column to mark the bulge area, on the other hand, the expanded variable magnetic cover performs early warning and is recorded by a camera, compared with the existing test equipment, the invention can detect the bulge condition of the capacitor under the action of current, and can perform early warning and marking in time, thereby being beneficial to improving the use safety of the capacitor.
Description
Technical Field
The invention relates to the technical field of capacitor production, in particular to aluminum electrolytic capacitor bulge testing equipment.
Background
Two conductors located close to each other with a non-conductive insulating medium in between, thus forming a capacitor. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). The capacitor element is generally denoted by letter C in the circuit diagram.
The aluminum electrolytic capacitor is made by taking an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode. And a layer of oxide film is formed on the anode plate as a medium through direct current voltage treatment. Its advantages are high capacity, high leakage, poor stability, and positive and negative polarities. When in use, the anode and the cathode are not connected reversely.
At present the condenser mostly need carry out aging testing before leaving the factory and detect the condenser performance, test to the condenser swell is less, and the main reason of electric capacity swell is because the temperature in the power is too high, exceed electric capacity and bear the temperature, and ordinary power adopts liquid electrolytic capacitor, and when high temperature, liquid gasification in the electric capacity makes the pressure that the electric capacity shell bore increase, thereby produce the swell, the condenser just can influence the use of the own of condenser in case take place the swell phenomenon, certain potential safety hazard still exists even, consequently, bulge to the condenser tests very necessary.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an aluminum electrolytic capacitor bulge testing device, which can detect the bulge condition of a capacitor under the current effect and timely carry out early warning and marking compared with the existing testing device, by electrifying the capacitor, the capacitor generates temperature when the current is larger, then the bulge condition occurs due to the liquefaction and expansion of electrolyte, when the bulge phenomenon occurs on the capacitor, a bulge area extrudes a contact original column, the contact original column extrudes early warning liquid in a liquid injection cylinder to enter an inner liquid filling sac for expansion, a variable magnetic cover expands under the expansion action of the inner liquid filling sac, a penetrating magnetic field is enhanced, on one hand, the bulge area is marked by reacting with the contact original column, on the other hand, the expanded variable magnetic cover carries out early warning and is recorded by a camera, the use safety of the capacitor is improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides an aluminum electrolytic capacitor bulges test equipment, includes the testboard, the testboard upper end is run through and is provided with the conveyer belt, electronic lift slip table is still installed to the testboard upper end, test drum and camera are installed to electronic lift slip table lower extreme, and the test drum just is above the conveyer belt, set up a plurality of evenly distributed's holding tank on the test drum inner wall, fixedly connected with becomes magnetic shield in the holding tank, it fills liquid section of thick bamboo to become magnetic shield outer end fixedly connected with, it keeps away from to fill liquid section of thick bamboo that becomes magnetic shield one end slip grafting and has assorted former post of contradicting, it has the interior liquid bag that fills in the assorted to become the inner subsides of magnetic shield and cover, and interior liquid bag and the liquid section of thick bamboo of annotating is linked together, it all fills with early warning liquid to fill in the liquid section of thick bamboo and the interior liquid bag.
Furthermore, the original collision column comprises an outer sleeve column, a magnetic repulsion end block and a mark rod, wherein a strip-shaped mark groove is formed in one end, away from the liquid injection cylinder, of the outer sleeve column, the magnetic repulsion end block is connected to the inner side of the strip-shaped mark groove in a sliding mode, the mark rod is inserted into the strip-shaped mark groove and fixedly connected with the magnetic repulsion end block, and when a magnetic field penetrating through the variable magnetic cover is enhanced, the magnetic repulsion end block is repelled and the mark rod is pushed to move towards the direction close to the capacitor, so that the mark of the bulge area is achieved.
Furthermore, the mark pole includes a plurality of mark units of body coupling, the mark unit includes insulating layer, mark layer and many traction wires, mark layer fixed connection is in the insulating layer and keeps away from the one end of magnetism repellent end block, the insulating layer is inlayed and is connected in mark layer inboard, and fixed connection between traction wire and the insulating layer, after the mark layer removes to contacting the capacitor, because the higher can heat it of temperature of capacitor melts to cover and form the mark at the swell region after the cooling solidification, the insulating layer can block heat and continue inside conduction, and under the traction effect of traction wire, can carry the insulating layer after the mark layer melts and forms the mark and drop from the overcoat post together.
Furthermore, the heat insulation layer is made of light heat insulation materials, and the marking layer is made of hot melt materials and color powder in a mixing mode.
Further, annotate the liquid section of thick bamboo including outer liquid storage cylinder, piston piece and liquid guide pipe, piston piece sliding connection is inboard in outer liquid storage cylinder and keeps interference fit, and fixed connection between piston piece and the original post of contradicting, liquid guide pipe fixed connection is in outer liquid storage cylinder inner and extend to in filling the liquid bag, and the part that liquid guide pipe is located in filling the liquid bag has seted up the weeping hole.
Furthermore, the variable magnetic cover comprises an electromagnet, a multi-petal outer package petal bundle and a plurality of magnetic shielding pastes, the outer-packed petal bundle annular array is distributed on the periphery of the electromagnet and keeps closed, the magnetic shielding paste is fixedly connected to one end of the outer-packed petal bundle close to the liquid injection cylinder, the inner liquid filling bag is pasted on the inner side of the outer-packed petal bundle and keeps closed, and the electromagnet is fixedly connected with the inner liquid filling bag, the magnetic shielding paste plays a role in sealing the electromagnet along with the outer package valve bundle in a normal state, the magnetic shielding paste has the best magnetic shielding effect on the electromagnet, when the inner liquid filling bag is filled with the early warning liquid and expands, the outer bag valve bundles are separated and expanded under the action of expansion and extrusion, a magnetic leakage space is formed at the center between the magnetic shielding pastes, the magnetic field transmitted by the electromagnet is enhanced, thereby acting on the magnetically-repellent end blocks to push the marking rods to mark the bulge region on the capacitor.
Furthermore, the outer-wrapping valve bundle is made of a non-transparent material, and the magnetic shielding paste is made of a magnetic shielding material.
Furthermore, the inner liquid filling bag is made of elastic transparent waterproof materials, and the inner liquid filling bag is kept totally closed and is only communicated with the liquid guide pipe.
Further, the early warning liquid is a colored aqueous solution or a fluorescent liquid, and the color of the early warning liquid is preferably red.
Further, the using method comprises the following steps:
s1, when the capacitor is conveyed by the conveyor belt to reach the designated position on the test board, stopping, and driving the test cylinder to fall down to cover the capacitor through the electric lifting sliding table;
s2, conducting a power-on test on the capacitor, and when the capacitor bulges, extruding the original contact column by the bulge area, extruding the early warning liquid in the liquid injection cylinder out of the original contact column, and allowing the early warning liquid to enter the liquid filling bag for expansion;
s3, the variable magnetic cover expands under the expansion effect of the liquid filling bag in the variable magnetic cover, the penetrating magnetic field is enhanced, on one hand, the magnetic field counteracts against the original column to mark the bulge area, and on the other hand, the expanded variable magnetic cover gives an early warning and is recorded by the camera.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can be used for carrying out power-on test on the capacitor, the capacitor generates temperature when current is large, then the capacitor expands due to liquefaction of electrolyte, after the capacitor expands due to the bulge phenomenon, the bulge area extrudes the abutting original column, the abutting original column extrudes early warning liquid in the liquid injection cylinder and enters the inner liquid filling bag to expand, the variable magnetic cover expands under the expansion effect of the inner liquid filling bag, the penetrating magnetic field is enhanced, on one hand, the variable magnetic cover reacts on the abutting original column to mark the bulge area, on the other hand, the expanded variable magnetic cover carries out early warning and is recorded by the camera.
(2) Former post of contradicting includes the overcoat post, magnetism repels end block and marker post, the overcoat post is kept away from notes liquid section of thick bamboo one end and has been seted up the bar mark groove, magnetism repels end block sliding connection in bar mark inslot side, the marker post insert locate the bar mark inslot and with magnetism repel fixed connection between the end block, after the magnetic field that the variable magnetic shield saw through can strengthen, can repel magnetism and repel end block and promote the marker post and remove to the direction that is close to the condenser, and then realize the regional mark of swell.
(3) The mark pole includes the mark unit of a plurality of body coupling, the mark unit includes the insulating layer, mark layer and many traction wires, mark layer fixed connection is in the insulating layer and keeps away from the one end of magnetism repellent end block, the insulating layer is inlayed and is connected in mark layer inboard, and fixed connection between traction wire and the insulating layer, after the mark layer removes to contact capacitor, because the higher can heat it of temperature of capacitor melts, thereby the cover forms the mark at the swell region and after the cooling solidification, the insulating layer can block heat and continue inside conduction, and under the traction effect of traction wire, can carry the insulating layer after the mark layer melts and forms the mark and drop from the overcoat post together.
(4) Become magnetic shield and include the electro-magnet, many lamella outer packing lamella are restrainted and the subsides of multi-disc magnetic screen, outer packing lamella bundle ring array distributes in electro-magnet week side and keeps sealing, magnetic screen pastes fixed connection and restraints the one end that is close to liquid filling section of thick bamboo in the outer packing lamella, interior liquid filling bag pastes and restraints the inboard and keep sealing in the outer packing lamella, and fixed connection between electro-magnet and interior liquid filling bag, the magnetic screen pastes and follows outer packing lamella and restraint and play the sealing effect to the electro-magnet under the normal condition, the magnetic screen pastes the magnetic screen effect best to the electro-magnet this moment, pack early warning liquid and inflation back in interior liquid filling bag, outer packing lamella is restrainted and is received inflation squeezing action and mutual separation expansion, also can form the space of magnetic leakage in center department between the magnetic screen subsides, the magnetic field that the electro-magnet sees through can strengthen, thereby it marks to push the bulging package region on the condenser to act on the magnetism repels end block.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a testing cylinder of the present invention;
FIG. 3 is a schematic structural diagram of the variable magnetic shield of the present invention;
FIG. 4 is a schematic structural diagram of the variable magnetic cover part in a normal state;
FIG. 5 is a schematic structural view of the variable magnetic shield according to the present invention in a partially compressed state;
FIG. 6 is a schematic view of the marker post of the present invention;
FIG. 7 is a schematic diagram of a marking unit according to the present invention;
FIG. 8 is a schematic structural diagram of the bulge region under test according to the present invention.
The reference numbers in the figures illustrate:
the device comprises a test bench 1, a conveyor belt 2, an electric lifting sliding table 3, a test cylinder 4, a camera 5, an original prop 6, an outer sleeve post 61, a magnetic repulsion end block 62, a marking rod 63, a heat insulation layer 631, a marking layer 632, a traction wire 633, a liquid injection cylinder 7, an outer liquid storage cylinder 71, a piston block 72, a liquid guide pipe 73, a variable magnetic cover 8, an electromagnet 81, an outer valve pack 82, a magnetic shielding paste 83 and an inner liquid filling bag 9.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1:
referring to fig. 1-2, an aluminum electrolytic capacitor bulge testing device comprises a testing table 1, a conveyor belt 2 is arranged at the upper end of the testing table 1 in a penetrating manner, an electric lifting sliding table 3 is further arranged at the upper end of the testing table 1, a testing cylinder 4 and a camera 5 are arranged at the lower end of the electric lifting sliding table 3, the testing cylinder 4 is over against the conveyer belt 2, the testing part can be assembled under the electric lifting sliding table 3, or a testing component is additionally arranged, a plurality of evenly distributed holding tanks are arranged on the inner wall of the testing cylinder 4, a variable magnetic cover 8 is fixedly connected in the holding tanks, a liquid injection cylinder 7 is fixedly connected at the outer end of the variable magnetic cover 8, one end of the liquid injection cylinder 7, which is far away from the variable magnetic cover 8, is inserted with a matched original collision column 6 in a sliding way, the inner end of the variable magnetic cover 8 is covered with a matched inner liquid filling bag 9, and the inner liquid filling bag 9 is communicated with the liquid filling cylinder 7, and the liquid filling cylinder 7 and the inner liquid filling bag 9 are filled with early warning liquid.
Referring to fig. 4-5, the colliding original column 6 includes an outer sleeve column 61, a magnetic repulsion end block 62 and a mark rod 63, a bar-shaped mark groove is formed in one end of the outer sleeve column 61, which is far away from the liquid injection cylinder 7, the magnetic repulsion end block 62 is slidably connected to the inner side of the bar-shaped mark groove, the mark rod 63 is inserted into the bar-shaped mark groove and fixedly connected with the magnetic repulsion end block 62, and when the magnetic field penetrating through the variable magnetic cover 8 is enhanced, the magnetic repulsion end block 62 is repelled and the mark rod 63 is pushed to move towards the direction close to the capacitor, so that the marking of the bulge area is realized.
Referring to fig. 6 to 7, the marking rod 63 includes a plurality of integrally connected marking units, each marking unit includes a heat insulation layer 631, a marking layer 632, and a plurality of traction wires 633, the marking layer 632 is fixedly connected to one end of the heat insulation layer 631, which is far away from the magnetic repulsion end block 62, the heat insulation layer 631 is connected to the inner side of the marking layer 632 in an embedded manner, the traction wires 633 are fixedly connected to the heat insulation layer 631, after the marking layer 632 moves to contact with the capacitor, the capacitor is heated to melt due to a high temperature of the capacitor, so as to cover the bulge area and form a mark after cooling and solidification, the heat insulation layer 631 blocks heat from continuing to conduct inwards, and under the traction action of the traction wires 633, the marking layer 632 melts and forms a mark, and then the mark together with the heat insulation layer 631 falls off the outer sleeve column 61.
The heat insulation layer 631 is made of light heat insulation material, and the marking layer 632 is made of hot melt material and color powder.
The liquid injection cylinder 7 comprises an outer liquid storage cylinder 71, a piston block 72 and a liquid guide pipe 73, the piston block 72 is slidably connected to the inner side of the outer liquid storage cylinder 71 and keeps interference fit, the piston block 72 is fixedly connected with the original abutting column 6, the liquid guide pipe 73 is fixedly connected to the inner end of the outer liquid storage cylinder 71 and extends into the inner liquid filling bag 9, and a liquid leakage hole is formed in the part, located in the inner liquid filling bag 9, of the liquid guide pipe 73.
Referring to fig. 3, the variable magnetic shield 8 includes an electromagnet 81, a multi-petal outer-wrapping petal bundle 82 and a plurality of magnetic shielding pastes 83, the outer-wrapping petal bundle 82 is distributed around the electromagnet 81 in an annular array and keeps closed, the magnetic shielding pastes 83 are fixedly connected to one end of the outer-wrapping petal bundle 82 close to the liquid injection cylinder 7, the inner liquid filling bag 9 is stuck inside the outer-wrapping petal bundle 82 and keeps closed, and the electromagnet 81 is fixedly connected with the inner liquid filling sac 9, the magnetic shielding paste 83 plays a role of sealing the electromagnet 81 along with the outer wrapping petal bundle 82 in a normal state, at the moment, the magnetic shielding paste 83 has the best magnetic shielding effect on the electromagnet 81, when the inner liquid filling bag 9 is filled with the early warning liquid and expands, the outer bag valve bundles 82 are separated and expanded by the expansion and extrusion effect, a magnetic leakage space is formed at the center between the magnetic shielding pastes 83, the magnetic field penetrated by the electromagnet 81 is enhanced, thereby acting on the magnetic-repellent end block 62 to push the marking bar 63 to mark the bulge region on the capacitor.
The outer-wrapped valve bundle 82 is made of non-transparent materials, and the magnetic shielding paste 83 is made of magnetic shielding materials.
The inner liquid filling bag 9 is made of elastic transparent waterproof material, and the inner liquid filling bag 9 keeps totally closed and is only communicated with the liquid guide pipe 73.
The early warning liquid is a colored aqueous solution or a fluorescent liquid, and the color of the early warning liquid is preferably red.
The using method comprises the following steps:
s1, when the capacitor conveyed by the conveyor belt 2 reaches the designated position on the test board 1, stopping, and driving the test cylinder 4 to fall down to cover the capacitor through the electric lifting sliding table 3;
s2, conducting a power-on test on the capacitor, and when the capacitor bulges, extruding the original contact column 6 by the bulge area, extruding the early warning liquid in the liquid injection cylinder 7 out of the original contact column 6, and entering the liquid filling bag 9 for expansion;
s3, the variable magnetic cover 8 expands under the expansion action of the inner liquid filling bag 9, the penetrating magnetic field is enhanced, on one hand, the magnetic field counteracts against the original column 6 to mark the bulge area, and on the other hand, the expanded variable magnetic cover 8 gives an early warning and is recorded by the camera 5.
Referring to fig. 8, the capacitor can be subjected to a power-on test, the capacitor generates temperature when current is high, then the capacitor expands due to liquefaction of electrolyte, and then the capacitor expands to generate a bulge, when the bulge occurs in the capacitor, the bulge area extrudes the primary contact column 6, the early warning liquid extruded by the primary contact column 6 in the liquid injection cylinder 7 enters the internal liquid filling bag 9 to expand, the variable magnetic shield 8 expands under the expansion action of the internal liquid filling bag 9, a penetrating magnetic field is enhanced, on one hand, the bulge area is marked by reacting with the primary contact column 6, on the other hand, the expanded variable magnetic shield 8 performs early warning and is recorded by the camera 5.
The above are only preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides an aluminium electrolytic capacitor swell test equipment, includes testboard (1), its characterized in that: the upper end of the test bench (1) is provided with a conveyor belt (2) in a penetrating way, the upper end of the test bench (1) is also provided with an electric lifting sliding table (3), the lower end of the electric lifting sliding table (3) is provided with a testing cylinder (4) and a camera (5), the testing cylinder (4) is over against the conveyor belt (2), a plurality of evenly distributed holding grooves are arranged on the inner wall of the testing cylinder (4), a variable magnetic cover (8) is fixedly connected in the accommodating groove, a liquid injection cylinder (7) is fixedly connected at the outer end of the variable magnetic cover (8), one end of the liquid injection cylinder (7) far away from the variable magnetic cover (8) is inserted with a matched abutting original column (6) in a sliding way, the inner end of the variable magnetic cover (8) is adhered with a matched inner liquid filling sac (9), and the inner liquid filling bag (9) is communicated with the liquid filling cylinder (7), and the liquid filling cylinder (7) and the inner liquid filling bag (9) are filled with early warning liquid.
2. The aluminum electrolytic capacitor bulge test equipment as recited in claim 1, wherein: the collision original column (6) comprises an outer sleeve column (61), a magnetic repulsion end block (62) and a marking rod (63), a strip-shaped marking groove is formed in one end, far away from the liquid injection cylinder (7), of the outer sleeve column (61), the magnetic repulsion end block (62) is connected to the inner side of the strip-shaped marking groove in a sliding mode, and the marking rod (63) is inserted into the strip-shaped marking groove and fixedly connected with the magnetic repulsion end block (62).
3. The aluminum electrolytic capacitor bulge test equipment as recited in claim 2, wherein: the marking rod (63) comprises a plurality of integrally connected marking units, each marking unit comprises a heat insulation layer (631), a marking layer (632) and a plurality of traction wires (633), the marking layer (632) is fixedly connected to one end, away from the magnetic repulsion end block (62), of the heat insulation layer (631), the heat insulation layer (631) is connected to the inner side of the marking layer (632) in an embedded mode, and the traction wires (633) are fixedly connected with the heat insulation layer (631).
4. The aluminum electrolytic capacitor bulge test equipment as recited in claim 3, wherein: the heat insulation layer (631) is made of light heat insulation materials, and the marking layer (632) is made of hot melt materials and color powder in a mixing mode.
5. The aluminum electrolytic capacitor bulge test equipment as recited in claim 1, wherein: the liquid injection cylinder (7) comprises an outer liquid storage cylinder (71), a piston block (72) and a liquid guide pipe (73), the piston block (72) is connected to the inner side of the outer liquid storage cylinder (71) in a sliding mode and keeps interference fit, the piston block (72) is fixedly connected with the original abutting column (6), the liquid guide pipe (73) is fixedly connected to the inner end of the outer liquid storage cylinder (71) and extends into the inner liquid filling bag (9), and liquid leakage holes are formed in the part, located in the inner liquid filling bag (9), of the liquid guide pipe (73).
6. The aluminum electrolytic capacitor bulge test equipment as recited in claim 1, wherein: become magnetism cover (8) and include that electro-magnet (81), multilobe outer packing lamella restrainted (82) and multi-disc magnetism screen paste (83), outer packing lamella restrainted (82) annular array distributes in electro-magnet (81) week side and keeps sealing, magnetism screen paste (83) fixed connection is in outer packing lamella restraints (82) one end near liquid filling cylinder (7), interior liquid filling bag (9) are pasted and are restrainted (82) inboard and keep sealing in outer packing lamella, and fixed connection between electro-magnet (81) and interior liquid filling bag (9).
7. The aluminum electrolytic capacitor bulge test equipment as recited in claim 6, wherein: the outer-wrapped valve bundle (82) is made of non-transparent materials, and the magnetic shielding paste (83) is made of magnetic shielding materials.
8. The aluminum electrolytic capacitor bulge test equipment as recited in claim 6, wherein: the inner liquid filling bag (9) is made of elastic transparent waterproof materials, and the inner liquid filling bag (9) is kept totally closed and is only communicated with the liquid guide pipe (73).
9. The aluminum electrolytic capacitor bulge testing equipment according to claim 1, wherein: the early warning liquid is a colored aqueous solution or a fluorescent liquid.
10. The aluminum electrolytic capacitor bulge test equipment as recited in claim 1, wherein: the using method comprises the following steps:
s1, when the capacitor conveyed by the conveyor belt (2) reaches a designated position on the test board (1), stopping, and driving the test cylinder (4) to fall down to sleeve the capacitor through the electric lifting sliding table (3);
s2, conducting a power-on test on the capacitor, and when the capacitor bulges, extruding the original contact column (6) by the bulge area, extruding the early warning liquid in the liquid injection cylinder (7) out of the original contact column (6) and entering the liquid injection bag (9) for expansion;
s3, the variable magnetic cover (8) expands under the expansion action of the liquid filling bag (9) in the variable magnetic cover, the penetrating magnetic field is enhanced, on one hand, the magnetic field counteracts against the original column (6) to mark the bulge area, and on the other hand, the expanded variable magnetic cover (8) gives an early warning and is recorded by the camera (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210467875.7A CN114578178B (en) | 2022-04-30 | 2022-04-30 | Aluminum electrolytic capacitor bulge test equipment |
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| CN202210467875.7A CN114578178B (en) | 2022-04-30 | 2022-04-30 | Aluminum electrolytic capacitor bulge test equipment |
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| CN114578178B true CN114578178B (en) | 2022-07-19 |
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| CN206541738U (en) * | 2017-03-08 | 2017-10-03 | 东莞市科尼盛电子有限公司 | A kind of capacitor of achievable expansion automatic detection |
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| CN213600500U (en) * | 2020-09-23 | 2021-07-02 | 苏州欧米森精密科技有限公司 | Battery package swell testboard |
| CN112474422A (en) * | 2020-11-23 | 2021-03-12 | 杭州羽雪电子科技有限公司 | Mobile phone storage battery bulge detecting and sorting device with monitoring function |
| CN113246478A (en) * | 2021-04-25 | 2021-08-13 | 白蕊 | Wave-joint type PE (polyethylene) plate hot-melting method |
| CN113324462A (en) * | 2021-06-21 | 2021-08-31 | 广州皓景数码科技有限公司 | Ultrathin film power capacitor detection equipment |
| CN113588552A (en) * | 2021-08-01 | 2021-11-02 | 杨茂菊 | Power capacitor detection device |
| CN215644632U (en) * | 2021-08-09 | 2022-01-25 | 芜湖天弋能源科技有限公司 | Shell of detectable laminate polymer battery swell |
| CN113871693A (en) * | 2021-08-18 | 2021-12-31 | 夏茂林 | Lead bulge type lithium ion battery |
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