CN113012933B - Conductive leading-out component for multi-group capacitor core electrode - Google Patents
Conductive leading-out component for multi-group capacitor core electrode Download PDFInfo
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- CN113012933B CN113012933B CN201911326233.XA CN201911326233A CN113012933B CN 113012933 B CN113012933 B CN 113012933B CN 201911326233 A CN201911326233 A CN 201911326233A CN 113012933 B CN113012933 B CN 113012933B
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- 239000003990 capacitor Substances 0.000 title claims abstract description 168
- 230000017525 heat dissipation Effects 0.000 claims abstract description 90
- 238000004806 packaging method and process Methods 0.000 claims abstract description 45
- 238000009423 ventilation Methods 0.000 claims description 22
- 238000009826 distribution Methods 0.000 claims description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 10
- 239000004593 Epoxy Substances 0.000 description 14
- 239000000945 filler Substances 0.000 description 11
- 238000012546 transfer Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000005022 packaging material Substances 0.000 description 7
- 239000000178 monomer Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000191 radiation effect Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003245 working effect Effects 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
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/08—Cooling arrangements; Heating arrangements; Ventilating arrangements
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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
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
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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
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/10—Housing; Encapsulation
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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 discloses a multi-group capacitor core electrode conductive leading-out assembly, which comprises a plurality of groups of capacitor cores and two groups of multi-electrode conductive leading-out terminal rows, wherein the plurality of groups of capacitor cores are combined into a arranging and distributing structure with 2 rows of multi-row capacitor single cores, and each row of capacitor single cores are formed by electrically connecting end faces of two capacitor single cores; two groups of inner core two leading-out electrodes with multi-electrode conductive leading-out terminal rows are respectively and correspondingly connected with a plurality of capacitor inner cores; the first group is provided with a multi-electrode conductive leading-out terminal row which is provided with a heat dissipation tunnel for improving air circulation and heat dissipation after packaging, the second group and the first group are provided with the same number of conductive leading-out terminals on the multi-electrode conductive leading-out terminal row, and the second conductive leading-out terminals and the first conductive leading-out terminals are arranged in parallel and level. The radiating and transferring efficiency of the working heat of the capacitor core is improved, the working performance efficiency of the capacitor is improved, the product quality of the capacitor is ensured, the service life is prolonged, and the system fault is avoided.
Description
Technical Field
The invention relates to a capacitor, in particular to a multi-group capacitor core electrode conductive leading-out component used on a power capacitor of products such as automobiles and the like.
Background
The existing capacitor structure generally comprises a shell, a conducting strip and a filling material, wherein a capacitor core is arranged in an inner cavity of the shell, a terminal pin of an electrode conductive leading-out end is welded and electrically connected with a metal spraying layer on the end surface of the capacitor core, and epoxy resin filling materials are arranged among the inner cavity of the shell, the capacitor core and the terminal pin of the electrode conductive leading-out end; capacitors of the above structure generally exist: because the inner core of the large-capacity capacitor or a plurality of inner cores of the large-capacity capacitor work in the same packaging shell at the same time, the capacitor is easy to generate heat when in work, the existing large-capacity capacitor packaging usually only has a certain heat transfer and radiation effect at the electrode conductive leading-out terminal, most of the heat generated by the capacitor work can still be radiated only through the capacitor packaging shell, and the inner core of the capacitor can also transmit the work heat to the radiation packaging shell structure for radiation when the inner core of the capacitor needs to be fixed and the insulation performance of the capacitor is required to adopt a packaging and fixing scheme structure of using an insulation filler between the inner core of the capacitor and the packaging and radiation shell, so that the heat generated when the core of the capacitor works can be transmitted to the radiation packaging shell structure for radiation by the heat transmission of the middle packaging filler, and the heat transmission efficiency of the working filler is low, the radiation effect is poor, the working performance efficiency of the capacitor is greatly related to the positive direction, the radiation effect is better, the working performance efficiency is better, and the better, otherwise, the service life of the capacitor product is favorably ensured; the conductive leading-out end of the existing capacitor electrode can not better guarantee that the capacitor is in a better working heat dissipation efficiency state, and can not better guarantee the working performance efficiency, so that the product quality is finally lower, the service life of the product is reduced, and the system fault and other problems are caused. In addition, when the terminal pins of the electrode conductive leading-out ends are welded with the gold-sprayed layers on the two sides of the capacitor core, the horizontal heights of the upper ends of the conductive terminals at the two ends are difficult to ensure to be parallel to each other, and difficulty is brought to the core fixation; particularly for a large-capacity capacitor with multi-electrode conductive leading-out ends, the height levels of the upper ends of the plurality of electrode conductive leading-out ends and the orderly-arranged installation and positioning control of the electrode conductive leading-out ends are more difficult to control, and the effective control and positioning accuracy is better stated, so that the large-capacity capacitor with the multi-electrode conductive leading-out ends has the defects of high packaging production positioning control quality difficulty of the electrode conductive leading-out ends, low product quality, low product qualification rate, high cost and the like.
Disclosure of Invention
The invention provides a multi-group capacitor core electrode conductive leading-out assembly which can improve the heat dissipation and transfer efficiency of the working heat of a capacitor core to a greater extent, improve the working performance efficiency of a capacitor, better ensure the product quality of the capacitor, prolong the service life of a product and avoid system faults in order to solve the current situations that the existing capacitor electrode conductive leading-out end can not better ensure that the capacitor can not better ensure the working performance efficiency under the state of better working heat dissipation efficiency, finally lead to lower product quality, reduce the service life of the product, and the like.
The invention adopts the following specific technical scheme for solving the technical problems: the utility model provides a subassembly is drawn forth to multiunit electric capacity core electrode is electrically conductive which characterized in that: the capacitor comprises a plurality of groups of capacitor inner cores and two groups of multi-electrode conductive leading-out terminal rows, wherein the plurality of groups of capacitor inner cores are combined into a distribution structure with 2 rows and a plurality of columns of capacitor single cores, and each column of capacitor single core is formed by electrically connecting end faces of two capacitor single cores; two groups of inner core two extraction electrodes with multi-electrode conductive extraction end rows are respectively and correspondingly connected with two groups of inner cores of a plurality of capacitors connected in parallel or in series; the first group of the multi-electrode conductive leading-out terminal rows are provided with heat dissipation tunnels for improving air circulation and heat dissipation after packaging, the second group of the multi-electrode conductive leading-out terminal rows are provided with second conductive leading-out terminals with the same number as that of the first conductive leading-out terminals on the first group of the multi-electrode conductive leading-out terminal rows, and the second conductive leading-out terminals are arranged in parallel with the first conductive leading-out terminals; the first group of multi-electrode conductive leading-out terminal row comprises an upper conductive leading-out main body and a lower conductive leading-out terminal row main body, a plurality of side conductive leading-out terminals which are arranged at intervals in parallel are arranged on the side edge of the lower conductive leading-out terminal row main body in an extending mode, the upper conductive leading-out main body is connected and arranged above the upper surface of the lower conductive leading-out terminal row main body, a heat dissipation tunnel capable of improving air circulation heat dissipation is formed between the upper conductive leading-out main body and the upper surface of the lower conductive leading-out terminal row main body, an end electrode conductive leading-out terminal is arranged on the upper conductive leading-out main body, and the side conductive leading-out terminals and the end electrode conductive leading-out terminals jointly form the homopolar conductive leading-out terminal of the capacitor. The conductive electrodes of the plurality of capacitor cores are directly and electrically connected to the multi-electrode conductive leading-out terminal row main body, and the heat dissipation tunnel which is formed between the upper conductive leading-out main body and the upper surface of the lower conductive leading-out terminal row main body and can improve air circulation heat dissipation can be used for better enabling the capacitor cores to directly transmit the working heat of the capacitor cores to the upper conductive leading-out main body outside the epoxy encapsulating material through the conductive material structure of the heat dissipation tunnel even under the condition of encapsulation and fixation of the epoxy encapsulating material, and the outer wall surface and the peripheral air circulation heat dissipation are connected through the upper surface and the tunnel side of the upper conductive leading-out main body, so that the lower surface and the inner side surface of the tunnel of the upper conductive leading-out main body can be subjected to circulation heat dissipation with the internal circulation air in the heat dissipation tunnel, and the heat dissipation can not be carried out through the encapsulating shell after the heat is transferred to the capacitor encapsulating shell only through the epoxy encapsulating material of the intermediate filling material, the working performance efficiency of the capacitor is improved, the quality of the capacitor is better ensured, the service life of the capacitor is prolonged, and the system failure is avoided.
The conductive electrodes of the capacitor cores are directly and electrically connected to two groups of multi-electrode conductive leading-out terminal rows, the first group of multi-electrode conductive leading-out terminal rows is provided with a heat dissipation tunnel for improving air circulation heat dissipation after packaging, so that the capacitor cores can still directly transfer the working heat of the capacitor cores to the first group of multi-electrode conductive leading-out terminal rows outside the epoxy packaging material through the conductive material structure of the heat dissipation tunnel even under the packaging and fixing condition of the epoxy packaging material, the outer wall surface is connected with the peripheral air circulation heat dissipation through the upper surface and the side of the heat dissipation tunnel formed on the first group of multi-electrode conductive leading-out terminal rows, the lower surface and the inner side surface of the heat dissipation tunnel and the internal circulation air in the heat dissipation tunnel are subjected to circulation heat dissipation, and the heat dissipation is carried out through the shell packaging instead of the epoxy packaging material which only can be used for filling the middle of the capacitor, the heat dissipation transfer efficiency of the working heat of the capacitor cores can be improved to a greater extent, the working performance efficiency of the capacitor is improved, the quality of the capacitor is better, the product is improved, the service life of the product is prolonged, and the system fault is avoided.
Preferably, the ventilation height of the heat dissipation tunnel is 8-20 mm. The heat dissipation and ventilation reliability and effectiveness of the heat dissipation tunnel are improved, the heat dissipation and transmission efficiency of the heat dissipation tunnel to the working heat of the capacitor inner core is improved, and the service life of the capacitor is prolonged.
Preferably, the two groups of multi-electrode conductive leading-out terminal rows comprise a pair of terminal electrode conductive leading-out terminals arranged in the short side direction of the capacitor packaging shell and 2-7 pairs of side conductive leading-out terminals arranged in parallel at intervals in the long side direction of the capacitor packaging shell, and the number of the side conductive leading-out terminals is 2-7 odd numbers. The flexible, convenient and reliable effectiveness of the conductive leading-out of the capacitor inner core is improved, and the height level of the upper ends of a plurality of electrode conductive leading-out ends and the simple, convenient and reliable effectiveness of the orderly-arranged installation and positioning control of the electrode conductive leading-out ends are improved.
Preferably, the shape of the short-side cross section of the upper conductive leading-out main body is an inverted U-shaped cross section structure, the bottom ends of two vertical sides of the inverted U-shaped cross section structure are turned outwards and extend to be connected with the upper surface of the lower conductive leading-out terminal row main body, and the upper conductive leading-out main body of the inverted U-shaped cross section structure is connected above the upper surface of the lower conductive leading-out terminal row main body to form a heat dissipation tunnel for improving air circulation and heat dissipation. The radiating and ventilating reliability and effectiveness of the upper conductive leading-out main body are improved, the radiating and transmitting efficiency of the upper conductive leading-out main body to the working heat of the capacitor inner core is improved, and the working service life of the capacitor is prolonged.
Preferably, the lower conductive leading-out terminal row main body has a structure with a section surface which is downwards folded into an L shape in the short side direction, and a plurality of side conductive leading-out terminals which are arranged at intervals in parallel are arranged on the side edge of the upper side of the L-shaped structure in an extending way; the plurality of side edge conductive leading-out terminals are upwards and outwards folded into L-shaped side edge conductive leading-out terminals from the side edge of the upper side edge, and the plurality of side edge conductive leading-out terminals and the upper surface of the lower conductive leading-out terminal row main body have the same vertical distance height dimension. The height level of the upper ends of the electrode conductive leading-out ends and the simple, convenient, reliable and effective orderly-arranged installation and positioning control of the electrode conductive leading-out ends are improved.
Preferably, the L-shaped structure is provided with a plurality of wire passing through holes which are arranged and distributed at intervals on the vertical edge. The effectiveness of unified and neat connection distribution and uniform heat transfer distribution of the electrode lead-out of the capacitor inner core are improved, the heat dissipation and transfer efficiency of the working heat of the capacitor inner core is improved, and the service life of the capacitor is prolonged.
Preferably, the width dimension of ventilation and heat dissipation at the upper end of the heat dissipation tunnel is 50-70% of the width dimension of the upper surface of the lower conductive leading-out terminal row main body. On the basis of ensuring the whole electrode leading-out safety of the capacitor, the heat dissipation and ventilation reliability and effectiveness of the first group with the multi-electrode conductive leading-out terminal row are improved, the heat dissipation and transmission efficiency of the first group with the multi-electrode conductive leading-out terminal row to the working heat of the inner core of the capacitor is improved, and the working service life of the capacitor is prolonged.
Preferably, the heat dissipation tunnel top portion be equipped with multichannel rectangular through-hole that ventilates, multichannel rectangular through-hole that ventilates arranges the distribution in parallel along the tunnel minor face direction and sets up. The heat dissipation and ventilation reliability and effectiveness of the first group of heat dissipation tunnels with the multi-electrode conductive leading-out end rows are further improved, the heat dissipation and transfer efficiency of the first group of heat dissipation tunnels with the multi-electrode conductive leading-out end rows on the working heat of the inner cores of the capacitors is improved, and the service life of the capacitors is prolonged.
Another object of the present invention is to provide a capacitor, which includes a capacitor packaging case and a capacitor packaging filler, and is characterized in that: the capacitor packaging structure further comprises a plurality of groups of capacitor core electrode conductive leading-out assemblies in one of the technical schemes, after the plurality of groups of capacitor core electrode conductive leading-out assemblies are packaged in the capacitor packaging shell, an air circulation space height for improving air circulation and heat dissipation is formed between the top end of the upper conductive leading-out main body with a plurality of electrode conductive leading-out end rows and the upper surface of the packaged capacitor packaging filler, and an exposed heat dissipation tunnel exposed above the upper surface of the capacitor packaging filler is formed. The capacitor inner core can better enable the capacitor inner core to directly transfer the working heat of the capacitor inner core to the first group with the multi-electrode conductive leading-out end row outside the epoxy encapsulating material through the conductive material structure of the heat dissipation tunnel, and the outer wall surface and the peripheral air circulation heat dissipation are connected through the upper surface and the side of the heat dissipation tunnel formed on the first group with the multi-electrode conductive leading-out end row, the lower surface and the inner side surface of the heat dissipation tunnel and the inner circulation air in the heat dissipation tunnel are subjected to circulation heat dissipation, instead of heat dissipation through the encapsulating shell after the epoxy encapsulating material of the intermediate filling material is transferred to the capacitor encapsulating shell, the heat dissipation transfer efficiency of the working heat of the capacitor core can be improved to a greater extent, the working performance efficiency of the capacitor is improved, the quality of the capacitor product is better guaranteed, the service life of the product is prolonged, and system faults are avoided.
The invention has the beneficial effects that: the conductive electrodes of the capacitor cores are directly and electrically connected to two groups of multi-electrode conductive leading-out terminal rows, the first group of multi-electrode conductive leading-out terminal rows is provided with a heat dissipation tunnel exposing the upper surface of the packaging material, the capacitor cores can still directly transfer the working heat of the capacitor cores to the first group of multi-electrode conductive leading-out terminal rows outside the epoxy packaging material through the conductive material structure of the heat dissipation tunnel even under the packaging and fixing condition of the epoxy packaging material, the outer wall surface is connected with the peripheral air through the upper surface and the side of the heat dissipation tunnel formed on the first group of multi-electrode conductive leading-out terminal rows to circulate and dissipate the heat, the lower surface and the inner side surface of the heat dissipation tunnel and the internal circulating air in the heat dissipation tunnel carry out circulating and heat dissipation, and the heat dissipation can be carried out through the packaging shell instead of the epoxy packaging material which only can pass through the intermediate filling material after being transferred to the capacitor packaging shell, the heat dissipation transfer efficiency of the working heat of the capacitor cores can be greatly improved, the working performance efficiency of the capacitor is improved, the quality of the capacitor is better ensured, the service life of a product is prolonged, and the system is prevented from being failed. In addition, the distribution, arrangement and fixation consistency of the side conductive leading-out terminals and the end electrode conductive leading-out terminals on the multi-electrode conductive leading-out terminal row main body also effectively improve the height level of the upper ends of the electrode conductive leading-out terminals and the simple, convenient, reliable and effective control of orderly-arranged installation and positioning of the electrode conductive leading-out terminals.
Description of the drawings:
the invention is described in further detail below with reference to the figures and the detailed description.
FIG. 1 is a schematic structural diagram of a multi-group capacitor core electrode conductive lead-out assembly according to the present invention.
Fig. 2 is a schematic diagram of the structure of the capacitor of the present invention.
FIG. 3 is a schematic diagram of a first group of multiple-electrode conductive terminal rows in the multiple-group capacitor core electrode conductive lead-out assembly of the present invention.
Fig. 4 is a schematic view of the structure of fig. 3 viewed from another direction.
Fig. 5 is a schematic view of the structure of the capacitor of the present invention viewed from another direction.
Fig. 6 is a schematic view of the structure of the capacitor of the present invention as viewed from another direction.
FIG. 7 is a schematic diagram of a further improved structure of the multiple capacitor core electrode conductive lead-out assembly of the present invention.
Detailed Description
Example 1:
in the embodiment shown in fig. 1, 3 and 4, a multi-group capacitor core electrode conductive lead-out assembly comprises a plurality of groups of capacitor cores and two groups of multi-electrode conductive lead-out terminal rows, wherein the plurality of groups of capacitor cores are combined into an arrangement distribution structure with 2 rows and a plurality of columns of capacitor single-core groups, and each column of capacitor single-core is formed by electrically connecting the end surfaces of two capacitor single-core groups; each row of capacitors is composed of a plurality of capacitor core monomers, 4 capacitor core monomers are further arranged on the first row of capacitor bank 01 and the second row of capacitor bank 02, and each row of capacitor bank is composed of two capacitor core monomers with end faces oppositely and electrically connected; certainly, 3-8 capacitor core monomers can be arranged in the first row of capacitor bank 01 and the second row of capacitor bank 02 according to the actual requirement, and each row of capacitor bank is formed by electrically connecting the end faces of the two capacitor core monomers in an opposite manner; two groups of inner core two extraction electrodes with multi-electrode conductive extraction end rows are respectively and correspondingly connected with two groups of inner cores of a plurality of capacitors connected in parallel or in series; wherein the first group has the heat dissipation tunnel 22 that improves the air circulation heat dissipation after the encapsulation on the row of multi-electrode conductive terminals, the second group has row 42 of multi-electrode conductive terminals to connect with the second conductive terminals that have the same quantity as the first conductive terminals on the row of multi-electrode conductive terminals, the second conductive terminals 42 are arranged flush with the first conductive terminals. The ventilation height dimension of the heat dissipation tunnel 22 is 10mm. The ventilation height of the heat dissipation tunnel 22 is, of course, 8 to 20mm. The two groups of multi-electrode conductive leading-out terminal rows comprise a pair of end electrode conductive leading-out terminals arranged in the short side direction of the capacitor packaging shell and 2-7 pairs of side conductive leading-out terminals arranged in parallel at intervals in the long side direction of the capacitor packaging shell, and the number of the side conductive leading-out terminals is 2-7 odd digits. The first group of multi-electrode conductive leading-out terminal row comprises an upper conductive leading-out main body 20 and a lower conductive leading-out terminal row main body 10, a plurality of side conductive leading-out terminals 11 which are arranged at intervals in parallel are connected to the side edge of the lower conductive leading-out terminal row main body 10 in an extending mode, the upper conductive leading-out main body 20 is fixedly connected to the upper portion of the upper surface of the lower conductive leading-out terminal row main body in a conductive mode, a heat dissipation tunnel 22 capable of improving air circulation heat dissipation is formed between the upper conductive leading-out main body 20 and the upper surface of the lower conductive leading-out terminal row main body 10, an end electrode conductive leading-out terminal is arranged on the upper conductive leading-out main body, and the side conductive leading-out terminals and the end electrode conductive leading-out terminal form the same-polarity conductive leading-out terminal of a capacitor. Furthermore, 3 side conductive leading-out terminals arranged in parallel at intervals are connected to the side of the lower conductive leading-out terminal row main body 10 in an extending manner, of course, 2 to 7 side conductive leading-out terminals arranged in parallel at intervals are connected to the side of the lower conductive leading-out terminal row main body 10 in an extending manner, the shape of the short-side cut-out surface of the upper conductive leading-out main body 10 is an inverted U-shaped cut-out surface structure, the bottom ends of two vertical sides of the inverted U-shaped cut-out door surface structure are folded outwards and extend to be electrically connected and fixed with the upper surface of the lower conductive leading-out terminal row main body in a conductive manner, and the upper conductive leading-out main body 20 of the inverted U-shaped structure is fixedly connected above the upper surface of the lower conductive leading-out terminal row main body 10 to form a heat dissipation tunnel 22 capable of improving air circulation heat dissipation. The lower conductive leading-out terminal row main body 10 has a structure of a section which is turned over downwards into an L shape in the short side direction, and a plurality of side conductive leading-out terminals 11 which are arranged in parallel at intervals are extended from the side of the upper side of the L-shaped structure; the plurality of side edge conductive leading-out terminals are upwards and outwards folded into L-shaped side edge conductive leading-out terminals from the side edge of the upper side edge, and the plurality of side edge conductive leading-out terminals and the upper surface of the lower conductive leading-out terminal row main body have the same vertical distance height dimension. The L-shaped structure has a plurality of through holes 31 arranged at intervals on the vertical edge 30. The number of the hole sites of the through-hole 31 is 8; of course, the number of the hole sites of the through-hole 31 can be twice of the total number of the plurality of side conductive leading-out terminals and the plurality of end electrode conductive leading-out terminals according to the number of the side conductive leading-out terminals and the end electrode conductive leading-out terminals required by actual design; that is, the number of the hole sites of the through-hole 31 is the same as the total number of the two lead-out electrodes of the inner core on the two groups of multi-electrode conductive lead-out terminal rows. The ventilation and heat dissipation width dimension of the upper end of the heat dissipation tunnel 22 is 60% of the width dimension of the upper surface 60 of the capacitor packaging filler in the capacitor packaging shell. Certainly, the ventilation and heat dissipation width of the upper end of the heat dissipation tunnel 22 can be designed to be 50-70% of the width of the upper surface 60 of the capacitor packaging filler in the capacitor packaging shell according to the actual requirements of the product. Further electrically conductive leading-out body structure of leading out main part 20 and electrically conductive leading-out terminal row main part 10 formula as an organic whole of leading out the main part 20 and electrically conductive leading-out terminal row main part 10 down, electrically conductive leading-out body structure that electrically conductive leading-out body 20 and electrically conductive leading-out terminal row main part 10 of lower formula of leading out main part can be connected into through punching press or welded fastening to electrically conductive leading-out body structure, or once only shaping goes out and has the electrically conductive leading-out body structure of leading out the integral type of main part 20 and electrically conductive leading out terminal row main part 10 down, the electrically conductive connection and the electrically conductive heat dissipation ventilation efficiency of main part 20 and electrically conductive leading out terminal row main part 10 down of leading out are improved, form stable reliable firm heat dissipation tunnel ventilation structure, improve condenser working property efficiency, better guarantee condenser product quality, improve product life, avoid leading to system's trouble to appear.
Example 2:
in the embodiment shown in fig. 7, the heat dissipation tunnel is provided with a plurality of ventilation long through holes 23 at the top end of the tunnel, the plurality of ventilation long through holes 23 are arranged in parallel along the short side direction of the tunnel, the number of the ventilation long through holes 23 is 3-10, and the ventilation long through holes are arranged in parallel along the short side direction of the tunnel, the length of the ventilation long through holes 23 can be a length that the ventilation long through holes penetrate through the short side of the heat dissipation tunnel or a length that the ventilation long through holes do not penetrate through the short side of the heat dissipation tunnel, and can be considered comprehensively according to the actual process manufacturing requirements and cost. The rest is the same as in example 1.
Example 3:
in the embodiments shown in fig. 2, 5, and 6, a capacitor includes a capacitor package case 50 and a capacitor package filler, and further includes a plurality of sets of capacitor core electrode conductive lead-out components described in embodiment 1, after the plurality of sets of capacitor core electrode conductive lead-out components are packaged in the capacitor package case, an air circulation space height 23 for improving air circulation and heat dissipation is provided between the top end of the upper conductive lead-out main body in the first set of multi-electrode conductive lead-out terminal row and the upper surface 60 of the packaged capacitor package filler, so as to form a exposed heat dissipation tunnel exposed above the upper surface of the capacitor package filler. Four tooth-shaped positioning connecting seats 52 are connected to four corners of the outer wall surface of the capacitor packaging case 50, and the four tooth-shaped positioning connecting seats 52 are connected to the long side direction of the capacitor packaging case and are positioned at the same side as the conductive leading-out terminal in the long side direction, so that the effectiveness of accurate positioning operation of the capacitor packaging case 50 is improved. A capacitor packaging shell mounting and fixing hole seat 51 is connected to the short side direction of the capacitor packaging shell 50 and the outer wall surface of the capacitor packaging shell 50 opposite to the four tooth-shaped positioning and connecting seats 52, and a mounting and fixing hole position is formed in the capacitor packaging shell mounting and fixing hole seat 51. The air flow space height 23 is 9mm in size. Of course, the height 23 of the air circulation space can be designed to be 5-15 mm according to actual conditions. The other steps are the same as those in embodiment 1 or embodiment 2.
When the capacitor is used, after the inner cores of the multiple groups of capacitor core electrode conductive leading-out assemblies and the capacitor packaging shell needing to be packaged and fixed are installed and fixed, epoxy packaging is used for epoxy packaging and fixing, and the epoxy-packaged capacitor has the air circulation space height 23 (shown in figures 2, 5 and 6) for improving air circulation and heat dissipation between the upper surface 60 of the epoxy packaging and the upper conductive leading-out main body 20.
In the positional relationship description of the present invention, the appearance of terms such as "inner", "outer", "upper", "lower", "left", "right", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings is merely for convenience of describing the embodiments and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, is not to be construed as limiting the present invention.
The foregoing summary and structure are provided to explain the principles, general features, and advantages of the product and to enable others skilled in the art to understand the invention. The foregoing examples and description have been presented to illustrate the principles of the invention and are intended to provide various changes and modifications within the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a subassembly is drawn forth to multiunit electric capacity core electrode is electrically conductive which characterized in that: the capacitor comprises a plurality of groups of capacitor inner cores and two groups of multi-electrode conductive leading-out terminal rows, wherein the plurality of groups of capacitor inner cores are combined into a distribution structure with 2 rows and a plurality of columns of capacitor single cores, and each column of capacitor single core is formed by electrically connecting the end surfaces of two capacitor single cores; two groups of inner core cores with multi-electrode conductive leading-out terminal rows are respectively and correspondingly connected with two groups of inner core cores of a plurality of capacitor inner cores which are connected in parallel or in series; the first group of the multi-electrode conductive leading-out terminal rows are provided with heat dissipation tunnels for improving air circulation and heat dissipation after packaging, the second group of the multi-electrode conductive leading-out terminal rows are provided with second conductive leading-out terminals with the same number as that of the first conductive leading-out terminals on the first group of the multi-electrode conductive leading-out terminal rows, and the second conductive leading-out terminals are arranged in parallel with the first conductive leading-out terminals; the first group of multi-electrode conductive leading-out terminal row comprises an upper conductive leading-out main body and a lower conductive leading-out terminal row main body, a plurality of side conductive leading-out terminals which are arranged at intervals in parallel are arranged on the side edge of the lower conductive leading-out terminal row main body in an extending mode, the upper conductive leading-out main body is connected and arranged above the upper surface of the lower conductive leading-out terminal row main body, a heat dissipation tunnel capable of improving air circulation heat dissipation is formed between the upper conductive leading-out main body and the upper surface of the lower conductive leading-out terminal row main body, an end electrode conductive leading-out terminal is arranged on the upper conductive leading-out main body, and the side conductive leading-out terminals and the end electrode conductive leading-out terminals jointly form the homopolar conductive leading-out terminal of the capacitor.
2. The multiple bank capacitor core electrode conductive lead out assembly of claim 1, wherein: the ventilation height of the heat dissipation tunnel is 8-20 mm.
3. The multiple bank capacitive core electrode conductive lead out assembly of claim 1, wherein: the two groups of multi-electrode conductive leading-out terminal rows comprise a pair of end electrode conductive leading-out terminals arranged in the short side direction of the capacitor packaging shell and 2-7 pairs of side conductive leading-out terminals arranged in parallel at intervals in the long side direction of the capacitor packaging shell, and the number of the side conductive leading-out terminals is 2-7 odd numbers.
4. The multiple bank capacitive core electrode conductive lead out assembly of claim 1, wherein: the last electrically conductive main part minor face of drawing off section shape be the face structure of cutting of the style of calligraphy of falling, the both sides bottom of the face structure of cutting of the style of calligraphy of falling is rolled over outwards and is extended and electrically conductive end row main part upper surface connection of drawing off down, the last electrically conductive main part of drawing off of the face structure of the style of calligraphy of falling is connected and is electrically conductive end row main part upper surface top of drawing off under and form and have the radiating heat dissipation tunnel of improvement circulation of air.
5. The multiple bank capacitor core electrode conductive lead out assembly of claim 1, wherein: the lower conductive leading-out terminal row main body is provided with a structure of a section which is turned over downwards into an L shape in the section of the short side direction, and a plurality of side conductive leading-out terminals which are arranged in parallel at intervals are arranged on the side edge of the upper side of the L-shaped structure in an extending way; the plurality of side edge conductive leading-out terminals are upwards and outwards folded into L-shaped side edge conductive leading-out terminals from the side edge of the upper side edge, and the plurality of side edge conductive leading-out terminals and the upper surface of the lower conductive leading-out terminal row main body have the same vertical distance height dimension.
6. The multiple bank capacitive core electrode conductive lead out assembly of claim 5, wherein: the L-shaped structure is provided with a plurality of wire passing through holes which are arranged at intervals on the vertical edge.
7. The multiple bank capacitor core electrode conductive lead out assembly of claim 1 or 2 or 4, wherein: the ventilation and heat dissipation width dimension of the upper end of the heat dissipation tunnel is 50-70% of the width dimension of the upper surface of the lower conductive leading-out terminal row main body.
8. The multiple bank capacitive core electrode conductive lead out assembly of claim 1, wherein: the heat dissipation tunnel be equipped with the microscler through-hole of multichannel ventilation in tunnel top portion, the microscler through-hole of multichannel ventilation distributes along tunnel minor face direction parallel arrangement and sets up.
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| CN201911326233.XA CN113012933B (en) | 2019-12-20 | 2019-12-20 | Conductive leading-out component for multi-group capacitor core electrode |
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| CN201911326233.XA CN113012933B (en) | 2019-12-20 | 2019-12-20 | Conductive leading-out component for multi-group capacitor core electrode |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362389A (en) * | 2009-03-23 | 2012-02-22 | 丰田自动车株式会社 | Temperature adjustment structure of electricity storage apparatus |
| JP2013115279A (en) * | 2011-11-29 | 2013-06-10 | Nichicon Corp | Capacitor unit |
| CN208889494U (en) * | 2018-10-24 | 2019-05-21 | 广东丰明电子科技有限公司 | A kind of heat dissipation type mould group capacitor |
| CN211181981U (en) * | 2019-12-20 | 2020-08-04 | 宁波新容电器科技有限公司 | Capacitor with multi-electrode conductive leading-out terminal row structure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4859443B2 (en) * | 2005-11-17 | 2012-01-25 | 日立オートモティブシステムズ株式会社 | Power converter |
| DE102015113873B3 (en) * | 2015-08-21 | 2016-07-14 | Semikron Elektronik Gmbh & Co. Kg | Power electronic assembly with capacitor device |
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2019
- 2019-12-20 CN CN201911326233.XA patent/CN113012933B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102362389A (en) * | 2009-03-23 | 2012-02-22 | 丰田自动车株式会社 | Temperature adjustment structure of electricity storage apparatus |
| JP2013115279A (en) * | 2011-11-29 | 2013-06-10 | Nichicon Corp | Capacitor unit |
| CN208889494U (en) * | 2018-10-24 | 2019-05-21 | 广东丰明电子科技有限公司 | A kind of heat dissipation type mould group capacitor |
| CN211181981U (en) * | 2019-12-20 | 2020-08-04 | 宁波新容电器科技有限公司 | Capacitor with multi-electrode conductive leading-out terminal row structure |
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