CN115101343A - Thin film capacitor structure with Boost function and using method thereof - Google Patents

Thin film capacitor structure with Boost function and using method thereof Download PDF

Info

Publication number
CN115101343A
CN115101343A CN202210763716.1A CN202210763716A CN115101343A CN 115101343 A CN115101343 A CN 115101343A CN 202210763716 A CN202210763716 A CN 202210763716A CN 115101343 A CN115101343 A CN 115101343A
Authority
CN
China
Prior art keywords
copper bar
positive
negative
thin film
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210763716.1A
Other languages
Chinese (zh)
Other versions
CN115101343B (en
Inventor
刘蕾
张伟
吴鸿信
朱玲玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jee Automation Equipment Shanghai Co ltd
Original Assignee
Jee Automation Equipment Shanghai Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jee Automation Equipment Shanghai Co ltd filed Critical Jee Automation Equipment Shanghai Co ltd
Priority to CN202210763716.1A priority Critical patent/CN115101343B/en
Publication of CN115101343A publication Critical patent/CN115101343A/en
Application granted granted Critical
Publication of CN115101343B publication Critical patent/CN115101343B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/33Thin- or thick-film capacitors 
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/08Cooling arrangements; Heating arrangements; Ventilating arrangements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G2/00Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
    • H01G2/22Electrostatic or magnetic shielding
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/002Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/002Details
    • H01G4/224Housing; Encapsulation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/002Details
    • H01G4/228Terminals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G4/00Fixed capacitors; Processes of their manufacture
    • H01G4/40Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)

Abstract

The invention discloses a thin film capacitor structure with a Boost function, which comprises a shell, wherein a thin film core and positive and negative copper bars are arranged in the shell, the positive and negative copper bars are fixedly arranged on the thin film core, the positive and negative copper bars comprise an input end, a Boost negative copper bar and an output end, a magnetic ring is fixedly arranged on the shell, and the input end far away from one end of the shell penetrates through the magnetic ring. The thin film capacitor can work in a discharging mode and a charging mode, simultaneously meets an 800V voltage platform and has a Boost function, and the heat dissipation structure of the thin film capacitor is optimized through the arrangement of a heat dissipation aluminum plate, a heat conduction pad and the like.

Description

Thin film capacitor structure with Boost function and using method thereof
Technical Field
The invention relates to the technical field of thin film capacitors, in particular to a thin film capacitor structure with a Boost function and a using method thereof.
Background
With the increasing development of the new energy automobile industry, a motor controller is used as a key part of a new energy automobile driving system, in order to meet the demand of charging the whole automobile more and more quickly, the motor controller of the 800V platform is gradually demanded by the market, and as the existing charging pile of the 800V platform in the market is not popularized, in order to enable the charging pile of the 400V platform in the market to charge the whole automobile of the 800V platform, a boosting charging module (Booster) in the whole automobile is required to boost the 400V voltage to 800V; and under the consideration of cost reduction, a Booster negative wire harness is integrated into a motor controller of an 800V platform, and a Booster positive wire harness is connected to the central point of a three-phase star connection winding of the motor or the U phase of the three-phase winding of the motor.
The thin film capacitor is used as an important part in the controller for the driving motor and plays a role in storing energy, buffering, filtering and connecting the battery and the IGBT module. The structure of the thin film capacitor plays a key role in the layout of the overall controller. At present, a typical thin film capacitor in an automobile controller only works in a discharging mode, current flows from a battery through the thin film capacitor to an IGBT module, and the thin film capacitor consists of positive and negative electrode copper bars, a thin film core, a plastic shell, pouring sealant and insulating paper. Therefore, a thin film capacitor which meets the 800V voltage platform and has a Boost function, a compact structure and good heat dissipation performance is needed to be suitable for the development trend of integration and customization.
Disclosure of Invention
The invention aims to provide a thin film capacitor structure with a Boost function and a using method thereof, which can work in a discharging mode and a charging mode, meet the requirements of an 800V voltage platform and the Boost function, and improve the heat dissipation capacity of the thin film capacitor.
In order to achieve the above object, the present invention provides a thin film capacitor structure with Boost function:
the magnetic circuit breaker comprises a housing, be equipped with film core and positive negative pole copper bar in the casing, positive negative pole copper bar fixed mounting in on the film core, positive negative pole copper bar includes input, boost negative pole copper bar and output, fixed mounting has the magnetic ring on the casing, keeps away from casing one end the input passes the magnetic ring.
Further, the input end comprises a positive input copper bar and a negative input copper bar, the output end comprises a positive output copper bar and a negative output copper bar,
the positive electrode input copper bar and the positive electrode output copper bar are of the same positive polarity, the positive electrode input copper bar, the positive electrode output copper bar and the film core are physically connected,
the negative electrode input copper bar, the boost negative electrode copper bar and the negative electrode output copper bar are of the same negative polarity, and the negative electrode input copper bar, the negative electrode output copper bar, the boost negative electrode copper bar and the film core are in physical connection.
Furthermore, an insulating paper I is arranged between the positive copper bar and the negative copper bar for high-voltage isolation.
Furthermore, positive and negative electrode copper bars with the welding back of film core is fixed in through pouring into casting glue one inside the casing, just casting glue one will film core internal seal.
Furthermore, the magnetic ring is fixed on the shell through a second pouring sealant.
Further, the shape of the magnetic ring is a runway type, an EI type or an EE type.
Furthermore, a gap is reserved between the magnetic ring and the shell or a plastic partition plate is installed for heat insulation.
Furthermore, the upper surface of the shell is provided with a heat dissipation aluminum plate fixed by a pouring sealant III.
Furthermore, a heat conducting pad or heat conducting joint filling glue is arranged on the surface of the heat radiating aluminum plate.
Furthermore, the heat dissipation aluminum plate and the positive and negative copper bars are provided with two pieces of insulation paper for high-voltage isolation.
The invention also provides a use method of the thin film capacitor structure with the Boost function, which comprises the following steps:
in a discharging mode, current flows into the film core in the shell through the input ends of the positive and negative copper bars and then flows out from the output ends of the positive and negative copper bars;
in a charging mode, current flows into the film core in the shell through the output ends of the positive and negative copper bars and the Booster negative copper bar and then flows out from the input ends of the positive and negative copper bars;
the magnetic ring is fixedly mounted on the shell, and an input end far away from one end of the shell penetrates through the magnetic ring.
Further, in a discharging mode, after current flows into the film core inside the shell through the positive electrode input copper bar and the negative electrode input copper bar, the current flows out of the positive electrode output copper bar and the negative electrode output copper bar;
in a charging mode, current flows into the film core in the shell through the positive output copper bar and the Booster negative copper bar and then flows out of the positive input copper bar and the negative input copper bar.
The invention has the technical effects and advantages that: the thin film capacitor can work in a discharging mode and a charging mode (the discharging mode refers to that the battery discharges, current flows through the controller and then controls the motor to drive the whole vehicle, and the charging mode refers to that the charging pile or the power grid discharges, and the current flows through the Booster and then flows to the controller to charge the battery). In a charging mode, the thin film capacitor supports a Boost function to increase the charging voltage; in order to inhibit the influence of EMC electromagnetic interference in the charging and discharging working modes, the thin film capacitor is integrated with a magnetic ring, an 800V voltage platform is met, the thin film capacitor has a Boost function, and the heat dissipation structure of the thin film capacitor is optimized through the arrangement of a heat dissipation aluminum plate, a heat conduction pad and the like.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a thin film capacitor with a Boost function according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of positive and negative electrode copper bars and a film core in an embodiment of the invention;
fig. 3 is a cross-sectional view of a thin film capacitor structure with Boost function according to an embodiment of the present invention;
in the figure, 1, a housing; 2. a film core; 3. positive and negative electrode copper bars; 31. an input end; 311. the positive electrode is input into the copper bar; 312. a negative input copper bar; 32. the Booster negative electrode is input into the copper bar; 33. an output end; 331. a positive output copper bar; 332. a negative output copper bar; 4. a magnetic ring; 5. insulating paper I; 6. pouring a first sealant; 7. and the heat dissipation aluminum plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In order to solve the defects of the prior art, the invention discloses a thin film capacitor structure with a Boost function, which comprises a shell 1 as shown in figure 1, wherein the shell 1 is generally made of plastic, mounting blocks for mounting are arranged at two ends of the shell, and mounting holes for mounting and fixing bolts are formed in the mounting blocks; the film core 2 and the positive and negative electrode copper bars 3 are arranged inside the shell 1, the positive and negative electrode copper bars 3 are welded and fixed with the film core 2, and the positive and negative electrode copper bars 3 are positioned above the film core 2. The positive and negative copper bars 3 comprise an input end 31, a Booster negative copper bar 32 and an output end 33, wherein the Booster negative copper bar 32 can be used for current input or current output; one end of the input end 31 and one end of the Booster negative copper bar 32 are fixed on the positive and negative copper bars 3, and the other end penetrates through the shell 1 and is positioned outside the shell 1.
The input terminal 31 comprises a positive input copper bar 311 and a negative input copper bar 312, and the output terminal 33 comprises a positive output copper bar 331 and a negative output copper bar 332. An insulating paper I5 is arranged on one side edge of the positive and negative copper bars 3, the input end 31 and the Booster negative copper bar 32 are arranged on one side of the positive and negative copper bars 3, the input end 31 and the Booster negative copper bar 32 are in an L shape, and the positive input copper bar 311 is positioned between the negative input copper bar 312 and the Booster negative copper bar 32; the output end 33 is in an inverted L shape, one end of the output end 33 is fixed on the other side of the positive and negative copper bars 3, and the other end of the output end 33 is bent and attached to the first insulating paper 5; therefore, the positive copper bar and the negative copper bar are isolated by high voltage through the first insulating paper 5.
The positive input copper bar 311 and the positive output copper bar 331 are in the same positive polarity, the positive input copper bar 311, the positive output copper bar 331 and the film core 2 are in physical connection, the negative input copper bar 32, the boost negative copper bar 32 and the negative output copper bar 332 are in the same negative polarity, and the negative input copper bar 32, the negative output copper bar 332 and the boost negative copper bar 32 are in physical connection with the film core 2.
The casing 1 is further provided with a magnetic ring 4, the magnetic ring 4 is fixed on the casing 1 through a second potting adhesive, one end of the magnetic ring 4, which is far away from the input end 31 of the casing 1, penetrates through the magnetic ring 4, the shape of the magnetic ring 4 can be a runway shape, an EI shape or an EE shape, the magnetic ring 4 in the figure 1 is a runway shape similar to an ellipse, and the magnetic ring 4 is close to the Booster negative copper bar 32. In the charging mode, the frequency of converting AC current into DC current is very high, the charging frequency of an 800V voltage platform is about 30KHz approximately, at the moment, the loss of the magnetic ring 4 is higher than that in the discharging mode, the heat productivity is higher, and in order to prevent the heat of the magnetic ring 4 from being transferred to the film core 2, the service life and the reliability of the film core 2 are influenced; so that a gap is left between the magnetic ring 4 and the shell 1 or a plastic partition plate is adopted for heat insulation design.
As shown in fig. 2, the positive input copper bar 311 and the negative input copper bar 312 of the input terminal 31 and the boost negative copper bar 32 are disposed on the same side of the positive and negative copper bars 3, and the positive output copper bar 331 and the negative output copper bar 332 of the output terminal 33 are disposed on the other side of the positive and negative copper bars 3. Three groups of parallel output ends 33 are arranged on the positive and negative copper bars 3, each group of output ends 33 comprises two positive output copper bars 331 and one negative output copper bar 332, and one negative output copper bar 332 is positioned between the two positive output copper bars 331; and an insulation paper I5 is arranged between the negative output copper bar 332 and the positive output copper bar 331 for high-voltage isolation.
The film capacitor structure has two working modes, one is a discharging mode, and current flows into the copper bar 311 and flows out of the negative input copper bar 312 from the positive electrode, then passes through the film core 2 inside, and then flows to the positive output copper bar 331 and the negative output copper bar 332. In the other mode, current flows in from the positive output copper bar 331 and the Booster negative copper bar 32, passes through the film core 2 inside, and then flows to the positive input copper bar 311 and the negative input copper bar 312.
As shown in fig. 3, the positive and negative electrode copper bars 3 and the film core 2 are welded and then integrally arranged in the shell 1, and then the film core 2 is sealed in the shell 1 by injecting a first pouring sealant 6 for filling and fixing the film core 1; the upper surface of the shell 1 is provided with a square mounting slot hole for mounting a radiating aluminum plate 7, the radiating aluminum plate 7 and the shell 1 are fixedly filled with three potting adhesives, the radiating aluminum plate 7 structure can reduce the thermal resistance from the film core 2 to the outer surface, and meanwhile, the surface of the radiating aluminum plate 7 can be provided with a heat conducting pad or heat conducting joint sealing adhesive to further reduce the thermal resistance; and a second insulating paper is arranged between the heat dissipation aluminum plate 7 and the positive and negative copper bars 3 for high-voltage isolation.
The invention also discloses a use method of the thin film capacitor structure with the Boost function, which comprises the following steps: in the discharging mode, after current flows into the film core 2 in the shell 1 through the input end 31 of the positive and negative copper bars 3, the current flows out from the output end 33 of the positive and negative copper bars 3; in the charging mode, current flows into the film core 2 in the shell 1 through the output end 33 of the positive and negative electrode copper bars 3 and the Booster negative electrode copper bar 32 and then flows out from the input end 31 of the positive and negative electrode copper bars 3; the housing 1 is fixedly provided with a magnetic ring 4, and the input end 31 far away from one end of the housing 1 penetrates through the magnetic ring 4.
Specifically, in the discharging mode, after current flows into the film core 2 inside the casing through the positive input copper bar 311 and the negative input copper bar 312, the current flows out of the positive output copper bar 331 and the negative output copper bar 332; in the charging mode, after current flows into the film core in the shell through the positive output copper bar 331 and the Booster negative copper bar 32, the current flows out from the positive input copper bar 311 and the negative input copper bar 312.
According to the thin film capacitor structure with the Boost function, the thin film capacitor structure can work in a discharging mode and a charging mode (the discharging mode refers to discharging of a battery, current flows through a controller and then controls a motor to drive the whole vehicle, the charging mode refers to discharging of a charging pile or a power grid, and current flows through a Boost and then flows to the controller to charge the battery). In a charging mode, the thin film capacitor supports a Boost function to increase the charging voltage; in order to inhibit the influence of EMC electromagnetic interference in the charging and discharging working modes, the thin film capacitor is integrated with a magnetic ring, an 800V voltage platform is met, the thin film capacitor has a Boost function, and the heat dissipation structure of the thin film capacitor is optimized through the arrangement of a heat dissipation aluminum plate, a heat conduction pad and the like.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (12)

1. The utility model provides a take film capacitor structure of Boost function, its characterized in that, includes casing (1), be equipped with film core (2) and positive negative pole copper bar (3) in casing (1), positive negative pole copper bar (3) fixed mounting in on film core (2), positive negative pole copper bar (3) are including input (31), Boost negative pole copper bar (32) and output (33), fixed mounting has magnetic ring (4) on casing (1), keeps away from casing (1) one end input (31) are passed magnetic ring (4).
2. The thin film capacitor structure with Boost function as claimed in claim 1,
the input end (31) comprises a positive input copper bar (311) and a negative input copper bar (312), the output end (33) comprises a positive output copper bar (331) and a negative output copper bar (332),
the positive electrode input copper bar (311) and the positive electrode output copper bar (331) are of the same positive polarity, the positive electrode input copper bar (311), the positive electrode output copper bar (331) and the film core (2) are in physical connection,
the negative electrode input copper bar (312), the boost negative electrode copper bar (32) and the negative electrode output copper bar (332) are of the same negative polarity, and the negative electrode input copper bar (312), the negative electrode output copper bar (332), the boost negative electrode copper bar (32) and the film core (2) are in physical connection.
3. The thin film capacitor structure with Boost function as claimed in claim 2,
and an insulation paper I (5) is arranged between the positive copper bar and the negative copper bar for high-voltage isolation.
4. The thin film capacitor structure with Boost function as claimed in claim 1,
the positive and negative electrode copper bars (3) and the film core (2) are fixed inside the shell (1) through pouring a pouring sealant (6) after being welded, and the pouring sealant (6) is used for sealing the inside of the film core (2).
5. The structure of claim 1, wherein the thin film capacitor with Boost function is formed by a process of forming a capacitor structure,
the magnetic ring (4) is fixed on the shell (1) through a second pouring sealant.
6. The structure of claim 5, wherein the thin film capacitor with Boost function is further characterized in that,
the shape of the magnetic ring (4) is a runway type, an EI type or an EE type.
7. A thin film capacitor structure with Boost function as claimed in claim 5 or 6,
and a gap is reserved between the magnetic ring (4) and the shell (1) or a plastic partition plate is arranged for heat insulation.
8. The thin film capacitor structure with Boost function as claimed in claim 1,
and the upper surface of the shell (1) is provided with a heat-radiating aluminum plate (7) fixed by a pouring sealant III.
9. The structure of claim 8, wherein the thin film capacitor with Boost function is formed by a process of forming a capacitor structure,
and the surface of the heat dissipation aluminum plate (7) is provided with a heat conduction pad or heat conduction joint filling glue.
10. The structure of claim 9, wherein the thin film capacitor with Boost function is further characterized in that,
and a second insulating paper is arranged between the heat dissipation aluminum plate (7) and the positive and negative copper bars (3) for high-voltage isolation.
11. A method for using a thin film capacitor structure with a Boost function is characterized by comprising the following steps,
in a discharging mode, current flows into the film core (2) in the shell (1) through the input ends (31) of the positive and negative copper bars (3) and then flows out of the output ends (33) of the positive and negative copper bars (3);
in a charging mode, current flows into the film core (2) in the shell (1) through the output end (33) of the positive and negative copper bars (3) and the Booster negative copper bar (32) and then flows out from the input end (31) of the positive and negative copper bars (3);
the magnetic ring (4) is fixedly mounted on the shell (1), and an input end (31) far away from one end of the shell (1) penetrates through the magnetic ring (4).
12. The use method of the thin film capacitor structure with Boost function according to claim 11,
in a discharging mode, after current flows into the film core (2) in the shell through the positive input copper bar (311) and the negative input copper bar (312), the current flows out of the positive output copper bar (331) and the negative output copper bar (332);
in the charging mode, current flows into the film core in the shell through the anode output copper bar (331) and the Booster cathode copper bar (32) and then flows out of the anode input copper bar (311) and the cathode input copper bar (312).
CN202210763716.1A 2022-06-29 2022-06-29 Film capacitor structure with Boost function and application method thereof Active CN115101343B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210763716.1A CN115101343B (en) 2022-06-29 2022-06-29 Film capacitor structure with Boost function and application method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210763716.1A CN115101343B (en) 2022-06-29 2022-06-29 Film capacitor structure with Boost function and application method thereof

Publications (2)

Publication Number Publication Date
CN115101343A true CN115101343A (en) 2022-09-23
CN115101343B CN115101343B (en) 2024-05-10

Family

ID=83294151

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210763716.1A Active CN115101343B (en) 2022-06-29 2022-06-29 Film capacitor structure with Boost function and application method thereof

Country Status (1)

Country Link
CN (1) CN115101343B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070109715A1 (en) * 2005-11-17 2007-05-17 Hitachi, Ltd. Capacitor module, power converter, vehicle-mounted electrical-mechanical system
CN102280247A (en) * 2010-06-10 2011-12-14 现代自动车株式会社 Capacitor for inverter of vehicle
CN210272088U (en) * 2019-07-18 2020-04-07 常州常捷科技有限公司 Special capacitor for electric drive for integrally suppressing electromagnetic interference
CN111403174A (en) * 2020-03-25 2020-07-10 东风汽车集团有限公司 Thin film capacitor integrating EMC (electro magnetic compatibility) and discharge functions and motor controller thereof
CN212231286U (en) * 2020-05-27 2020-12-25 比亚迪股份有限公司 Motor controller and vehicle with same
CN112713768A (en) * 2020-12-28 2021-04-27 中车永济电机有限公司 Highly integrated charge-discharge device
CN215007942U (en) * 2021-02-07 2021-12-03 浙江奥思伟尔电动科技有限公司 Vehicle-mounted film capacitor
CN114597064A (en) * 2022-03-09 2022-06-07 深圳市汇北川电子技术有限公司 Power film capacitor integrating EMC BOOST assembly and direct current supporting function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070109715A1 (en) * 2005-11-17 2007-05-17 Hitachi, Ltd. Capacitor module, power converter, vehicle-mounted electrical-mechanical system
CN102280247A (en) * 2010-06-10 2011-12-14 现代自动车株式会社 Capacitor for inverter of vehicle
CN210272088U (en) * 2019-07-18 2020-04-07 常州常捷科技有限公司 Special capacitor for electric drive for integrally suppressing electromagnetic interference
CN111403174A (en) * 2020-03-25 2020-07-10 东风汽车集团有限公司 Thin film capacitor integrating EMC (electro magnetic compatibility) and discharge functions and motor controller thereof
CN212231286U (en) * 2020-05-27 2020-12-25 比亚迪股份有限公司 Motor controller and vehicle with same
CN112713768A (en) * 2020-12-28 2021-04-27 中车永济电机有限公司 Highly integrated charge-discharge device
CN215007942U (en) * 2021-02-07 2021-12-03 浙江奥思伟尔电动科技有限公司 Vehicle-mounted film capacitor
CN114597064A (en) * 2022-03-09 2022-06-07 深圳市汇北川电子技术有限公司 Power film capacitor integrating EMC BOOST assembly and direct current supporting function

Also Published As

Publication number Publication date
CN115101343B (en) 2024-05-10

Similar Documents

Publication Publication Date Title
JP2013242979A (en) Power storage module and manufacturing method therefor
CN102035265A (en) Wireless charging system of capacitor storage battery
CN109742304A (en) A kind of power battery module and electric vehicle
CN114039080B (en) Electricity core, battery and power consumption device
CN215731862U (en) Lithium ion battery module of integrated BMS and battery pack thereof
CN113114053B (en) Inverter assembly with high electromagnetic compatibility grade
CN115101343A (en) Thin film capacitor structure with Boost function and using method thereof
CN113708668B (en) Discrete IGBT parallel power assembly and double-motor driving system
CN109994679A (en) A kind of battery core holding element
CN211151838U (en) Insulating composite busbar device for single-tube controller
CN210694652U (en) Motor controller, power driving system and electric automobile
CN212637180U (en) Double-winding driving-isolating variable-voltage charging integrated device
CN212542518U (en) Lithium battery system of fork truck
CN114597064A (en) Power film capacitor integrating EMC BOOST assembly and direct current supporting function
CN107946081A (en) Aluminium electrolutic capacitor and thin film capacitor compound module in parallel
CN208507475U (en) A kind of metallic film capacitor of high thermal conductivity
CN112078377A (en) Double-winding driving-isolating variable-voltage charging integrated device
CN111933454A (en) Super capacitor module
CN218160032U (en) Assembly fixture of automobile support capacitor
CN219086898U (en) Motor stator assembly structure
CN210898961U (en) Power conversion device of electric heating power supply
CN212676105U (en) Direct current support capacitor of vehicle motor controller
CN212676113U (en) Dry-type direct current filter capacitor
CN202940756U (en) Soft starter, thyristor module thereof and thyristor installation rack thereof
CN219123292U (en) Novel winding type lithium ion battery core structure

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant