CN111817676B - Bolt leading-out type filtering device - Google Patents

Bolt leading-out type filtering device Download PDF

Info

Publication number
CN111817676B
CN111817676B CN202010601457.3A CN202010601457A CN111817676B CN 111817676 B CN111817676 B CN 111817676B CN 202010601457 A CN202010601457 A CN 202010601457A CN 111817676 B CN111817676 B CN 111817676B
Authority
CN
China
Prior art keywords
mounting plate
screw rod
bolt
shell
filtering
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.)
Active
Application number
CN202010601457.3A
Other languages
Chinese (zh)
Other versions
CN111817676A (en
Inventor
熊瑞君
隆丰声
刘霞
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.)
Chongqing Daji Electronic Technology Co ltd
Original Assignee
Chongqing Daji Electronic Technology 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 Chongqing Daji Electronic Technology Co ltd filed Critical Chongqing Daji Electronic Technology Co ltd
Priority to CN202010601457.3A priority Critical patent/CN111817676B/en
Publication of CN111817676A publication Critical patent/CN111817676A/en
Application granted granted Critical
Publication of CN111817676B publication Critical patent/CN111817676B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H1/00Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28Clamped connections, spring connections
    • H01R4/30Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/304Clamped connections, spring connections utilising a screw or nut clamping member having means for improving contact
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

Landscapes

  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)

Abstract

The invention provides a bolt leading-out type filtering device which comprises a shell, a cover plate, a connecting component and a filtering component, wherein the cover plate is arranged on the shell; the shell comprises two first mounting plates, the connecting component comprises a plurality of connecting pieces which are respectively arranged on the two first mounting plates, and the filtering component is respectively connected with the connecting pieces on the two first mounting plates; the connecting piece comprises a bolt and a plurality of nuts, the bolt comprises a screw rod and a ring convex structure close to the middle of the screw rod, and the ring convex structure divides the screw rod into an inner screw rod and an outer screw rod; at least one nut is connected to the external screw; at least two nuts are connected to the internal screw; the internal screw rod is worn to be established on first mounting panel, and the nut and the protruding structure of ring on the internal screw rod distribute in the both sides of first mounting panel. The wire terminal contacts with the annular convex structure, the through flow mainly depends on the sectional area of the screw rod, and when high current passes, a plurality of nuts are not needed to be overlapped, so that the length of the connecting piece is reduced, the size of the device is controlled, and the device is more flexible in application scene.

Description

Bolt leading-out type filtering device
Technical Field
The invention relates to the field of electronic equipment, in particular to a bolt leading-out type filter device.
Background
With the development of scientific technology, the filter device is an essential processing device in various industries, and for data access, a mode of leading out bolts is mostly adopted, and a lead terminal and a filter module are connected through bolts, so that the data is transmitted inside the filter device, the connection can be stable through the connection of the bolts, and the filter device is also suitable for occasions fixed on a system for a long time.
However, current is firstly transmitted to the nut through the lead terminal and then transmitted to the screw rod through the nut in the current lead-out mode, so that the through-flow of the traditional bolt is determined through the threaded engagement area of the bolt and the nut, when high current is required to be transmitted, the number of the nuts is increased to increase the engagement area, the length of the final bolt is overlong, and the overall size of the product is overlarge.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a bolt leading-out type filter device.
In a first aspect, the present invention provides a bolt-out type filtering device, including a housing, a cover plate, a connection assembly mounted on the housing, and a filtering assembly mounted inside the housing; the shell comprises two first mounting plates, the connecting component comprises a plurality of connecting pieces which are respectively arranged on the two first mounting plates, and the filtering component is respectively connected with the connecting pieces on the two first mounting plates; the connecting piece comprises a bolt and a plurality of nuts, the bolt comprises a screw rod and a ring convex structure close to the middle of the screw rod, and the ring convex structure divides the screw rod into an inner screw rod and an outer screw rod; at least one nut is in threaded connection with the external screw; at least two nuts are screwed on the internal screw; the internal screw rod is worn to be established on first mounting panel, and the nut and the protruding structure of ring on the internal screw rod distribute in the both sides of first mounting panel.
In one embodiment, the connecting piece further comprises a first anti-rotation structure and a second anti-rotation structure, the first anti-rotation structure is provided with a first groove, the second anti-rotation structure is provided with a bulge corresponding to the first groove and a second groove corresponding to the annular convex structure, the axial width of the annular convex structure is larger than the depth of the second groove, the first mounting plate is provided with a third through hole corresponding to the bulge, and the bulge can pass through the third through hole to be placed in the first groove; the first anti-rotation structure is provided with a first through hole corresponding to the screw rod, and the second anti-rotation structure is provided with a second through hole corresponding to the screw rod; the shape of the first groove includes any one of square, pentagon, and hexagon.
In one embodiment, the first anti-rotation structure and the second anti-rotation structure are insulators.
In one embodiment, the connection assembly further includes two sets of washer assemblies, the two sets of washer assemblies being disposed at nuts on either side of the first mounting plate, the washer assemblies including a spring washer and a flat washer.
In one embodiment, the two first mounting plates are an input mounting plate and an output mounting plate respectively, the cover plate comprises a first cover plate and a second cover plate, and the input mounting plate, the output mounting plate, the first cover plate and the shell jointly enclose an internal shielding cavity; the input mounting plate, the second cover plate and the shell also jointly enclose an external shielding cavity.
In one embodiment, the filter assembly comprises a first filter assembly, the housing further comprising a second mounting plate between the input mounting plate and the output mounting plate, the first filter assembly being mounted on the second mounting plate.
In one embodiment, a ferrite bead is further mounted in the housing between the second mounting plate and the input mounting plate, and the ferrite bead is respectively connected with the connecting piece on the input mounting plate and the first filtering component.
In one embodiment, a magnetic ring cavity is further arranged in the shell, and the ferrite magnetic ring is installed, encapsulated and fixed through the magnetic ring cavity.
In one embodiment, the filter assembly further comprises a second filter assembly, the second filter assembly is a filter circuit board, the second filter assembly is installed between the second mounting plate and the input mounting plate, and the second filter assembly is connected with the connecting piece on the input mounting plate and the connecting piece on the output mounting plate respectively.
In one embodiment, a conductive adhesive strip is also provided between the housing and the cover plate.
Through above-mentioned bolt extraction formula filter equipment, propose a special bolt structure, realize the integration with screw rod and the protruding structure of ring to when inserting the wire terminal, wire terminal and the protruding structure of ring contact just are equivalent to direct and bolt structure contact, thereby the through-flow size of input current just mainly depends on the sectional area of screw rod, and need not consider the interlock area that adopts the nut transition mode in the tradition, when guaranteeing through the heavy current, need not adopt a plurality of nuts to superpose, reduced the length of whole connecting piece, the effectual size of controlling the device, the application scene is more nimble, in addition still saved certain cost.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Wherein:
FIG. 1 is a schematic diagram of a bolt-out filter device according to an embodiment of the present invention;
FIG. 2 is a schematic diagram showing a specific structure of a connector according to an embodiment of the present invention;
FIG. 3 is a schematic view of a bolt according to an embodiment of the present invention;
FIG. 4 is a side cross-sectional view of a first anti-rotation structure and a second anti-rotation structure according to one embodiment of the present invention;
FIG. 5 is a front view of a first anti-rotation structure and a second anti-rotation structure according to one embodiment of the present invention;
fig. 6 is a schematic structural view of a cover plate according to an embodiment of the present invention.
In the above figures: 1. a housing; 111. an input mounting plate; 112. an output mounting plate; 12. a second mounting plate; 21. a first cover plate; 22. a second cover plate; 3. a connecting piece; 31. a bolt; 311. a screw; 3111. an internal screw; 3112. an external screw; 312. a ring convex structure; 32. a nut; 331. a first anti-rotation structure; 3311. a first groove; 3312. a first through hole; 332. a second anti-rotation structure; 3321. a protrusion; 3322. a second groove; 3323. a second through hole; 41. a first filtering component; 42. a second filtering component; 51. a ferrite bead; 52. a magnetic ring cavity.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, 2 and 3, in one embodiment, the present invention proposes a bolt-out type filtering device including a housing 1, a cover plate, a connection assembly mounted on the housing 1, a filtering assembly mounted inside the housing 1; the shell 1 comprises two first mounting plates, the connecting component comprises a plurality of connecting pieces 3 which are respectively arranged on the two first mounting plates, and the filtering component is respectively connected with the connecting pieces 3 on the two first mounting plates; the connector 3 comprises a bolt 31 and a plurality of nuts 32, the bolt 31 comprises a screw 311 and a ring convex structure 312 near the middle of the screw 311, and the ring convex structure 312 divides the screw 311 into an inner screw 3111 and an outer screw 3112; at least one nut 32 is threadedly coupled to the external screw 3112; at least two nuts 32 are screwed on the internal screw 3111; the internal screw 3111 is threaded on the first mounting plate, and the nuts 32 and the annular protruding structures 312 on the internal screw 3111 are distributed on both sides of the first mounting plate.
The shape of the annular protruding structure 312 may be directly configured as a "nut shape", or may be configured as other shapes, such as a quadrangular prism, a pentagonal prism, etc., and the annular protruding structure 312 serves to contact with the wire terminal to transmit current, and serves as a fixing point during installation, so that the fittings such as the nut 32 can be smoothly screwed onto the screw 311. In addition, the nut 32 is mainly used for fastening the wire terminal, so that one nut is provided on the external screw 3112 to satisfy the demand.
Wherein the two first mounting plates are mounting plates representing connectors for the input and output ends, respectively, and the two mounting plates may be separate or may be connected together in a specific design, wherein separation is only one embodiment.
When the annular convex structure 312 is in contact with the wire terminal, since the annular convex structure 312 and the screw 311 are integrated, the size of the through-flow is mainly determined by the cross-sectional area of the screw 311 when the current is transmitted, if the scheme of the traditional nut transition is adopted, the engagement area of the nuts needs to be further considered, if the large current needs to be transmitted, the number of the nuts needs to be increased, and a plurality of nuts are overlapped to ensure enough contact area.
Due to the special structure of the bolt 31, the contact body close to the middle annular convex structure 312 serving as a lead terminal can be smoothly installed with other accessories, the defect that nuts are used as middle transition conductors in the traditional bolt extraction process can be avoided, the engagement area of the nuts is not required to be considered, when a large current is passed, the external screw 3112 is ensured to be not required to be overlapped by a plurality of nuts, the length of the integral connecting piece is reduced, the size of the device is effectively controlled, and the application scene is more flexible.
As shown in fig. 2, 4 and 5, in one embodiment, the connector 3 further includes a first anti-rotation structure 331 and a second anti-rotation structure 332, the first anti-rotation structure 331 is provided with a first groove 3311, the second anti-rotation structure 332 has a protrusion 3321 corresponding to the first groove 3311 and a second groove 3322 corresponding to the annular protrusion structure 312, the axial width of the annular protrusion structure 312 is greater than the depth of the second groove 3322, the first mounting plate is provided with a third through hole corresponding to the protrusion 3321, and the protrusion 3321 can be placed in the first groove 3311 through the third through hole; the first rotation preventing structure 331 is provided with a first through hole 3312 corresponding to the screw 311, and the second rotation preventing structure 332 is provided with a second through hole 3323 corresponding to the screw 311; the shape of the first recess 3311 includes any of square, pentagon, and hexagon.
The axial width of the annular protruding structure 312 is greater than the depth of the second groove 3322 to ensure that the annular protruding structure 312 has a residual protruding portion after being placed in the second groove 3322, so that the protruding portion can be well attached to the wire terminal.
Under the combined action of the first rotation preventing structure 331, the second rotation preventing structure 332 and the annular protruding structure 312, the connecting piece 3 is difficult to rotate after being installed on the first mounting plate, and the connecting piece 3 is ensured not to fall off due to rotation under the condition of not performing dispensing fixing treatment in the use process, so that the connecting piece is more stable.
In one embodiment, the first anti-rotation structure and the second anti-rotation structure are insulators.
The insulator is arranged, so that current crosstalk can not be caused between the connecting piece 3 and the first mounting plate, and data interference is reduced.
As shown in fig. 2, in one embodiment, the connection assembly further includes two sets of washer assemblies 34, the two sets of washer assemblies 34 being disposed at the nuts 32 on either side of the first mounting plate, the washer assemblies 34 including spring washers and flat washers.
The gasket assembly 34 is mainly used for ensuring that the connecting piece 3 maintains certain elastic strength in the use process, so that the connecting piece is not easy to fall off.
As shown in fig. 1 and 6, in one embodiment, the two first mounting plates are an input mounting plate 111 and an output mounting plate 112, respectively, the cover plates include a first cover plate 21 and a second cover plate 22, and the input mounting plate 111, the output mounting plate 112, and the first cover plate 21 enclose an internal shielding cavity together with the housing 1; the input mounting plate 111 also encloses an external shielding cavity together with the second cover plate 22 and the housing 1.
Wherein, the internal shielding cavity enclosed by the input mounting plate 111, the output mounting plate 112, the first cover plate 21 and the shell 1 is used for integrally shielding the filtering device from the outside, so that the filtering is not affected by the electromagnetic interference of the outside, and the electromagnetic compatibility of the input equipment and the system is ensured; and an external shielding cavity which is also surrounded by the input mounting plate 111, the second cover plate 22 and the shell 1 is used for integrally shielding signals when the signals are input into the device, so that front-back coupling of the filtered signals is prevented, and the integral filtering performance is improved.
As shown in fig. 1, in one embodiment, the filter assembly includes a first filter assembly 41, and the housing 1 further includes a second mounting plate 12 between an input mounting plate 111 and an output mounting plate 112, the first filter assembly 41 being mounted on the second mounting plate 12.
The first filter assembly is mainly a filter device mainly comprising a pass filter capacitor, and is inserted between the first filter assembly and the second mounting plate 12 to realize the filtering processing of the high-frequency signals. The pass filter capacitor is provided with different current specifications according to requirements.
As shown in fig. 1, in one embodiment, a ferrite bead 51 is further installed in the housing 1 between the second mounting plate 12 and the input mounting plate 111, and the ferrite bead 51 is connected to the connector 3 on the input mounting plate 111 and the first filter assembly 41, respectively.
The ferrite bead 51 has a main function of being matched with a high-current high-frequency filter on the second mounting plate 12 for use, and considering that the filtering of a high-current signal cannot directly adopt inductance, so that the ferrite bead 51 with a proper size is directly sleeved on a bolt lead-out wire of the high-current high-frequency filter by combining the high-current high-frequency filter with the ferrite bead 51.
In this way, the high-frequency filtering effect of the large current is improved, and the space size of the whole device is reduced.
As shown in fig. 1, in one embodiment, a magnetic ring cavity 52 is further provided in the housing 1, and the ferrite magnetic ring 51 is installed and fixed by potting through the magnetic ring cavity 52.
In order to reduce the weight of the whole device, a magnetic ring cavity 52 for placing the ferrite magnetic ring 51 is processed in the shell, and the ferrite magnetic ring is arranged according to the size of the ferrite magnetic ring 51, so that the ferrite magnetic ring 51 is only required to be encapsulated and fixed in the magnetic ring cavity 52, and the whole inner cavity of the shell is not required to be encapsulated and fixed, thereby reducing the weight of the whole device.
As shown in fig. 1, in one embodiment, the filter assembly further includes a second filter assembly 42, where the second filter assembly 42 is a filter circuit board, and the second filter assembly 42 is mounted between the second mounting board 12 and the input mounting board 111, and the second filter assembly 42 is connected to a connection on the input mounting board 111 and a connection on the output mounting board 112, respectively.
The second filtering component 42 is mainly used for filtering signals with middle and low frequencies, and the whole device realizes broadband filtering of the signals by combining the first filtering component 41, so that the device has extremely high applicability.
In one embodiment, a conductive adhesive strip is also provided between the housing and the cover plate.
Through the conductive adhesive tape, the device can be better sealed, and the integral shielding performance of the device is improved.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples merely represent a few embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the present invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (9)

1. The bolt-out type filtering device is characterized by comprising a shell, a cover plate, a connecting component arranged on the shell and a filtering component arranged in the shell; the shell comprises two first mounting plates, the connecting component comprises a plurality of connecting pieces which are respectively arranged on the two first mounting plates, and the filtering component is respectively connected with the connecting pieces on the two first mounting plates; the connecting piece comprises a bolt and a plurality of nuts, wherein the bolt comprises a screw rod and a ring convex structure close to the middle of the screw rod, and the ring convex structure divides the screw rod into an inner screw rod and an outer screw rod; at least one of the nuts is threadedly coupled to the external screw; at least two nuts are in threaded connection with the internal screw; the inner screw rod is arranged on the first mounting plate in a penetrating way, and nuts and the annular convex structures on the inner screw rod are distributed on two sides of the first mounting plate;
the connecting piece further comprises a first rotation preventing structure and a second rotation preventing structure, wherein the first rotation preventing structure is provided with a first groove, the second rotation preventing structure is provided with a bulge corresponding to the first groove and a second groove corresponding to the annular convex structure, the axial width of the annular convex structure is larger than the depth of the second groove, the first mounting plate is provided with a third through hole corresponding to the bulge, and the bulge can pass through the third through hole and be placed in the first groove; the first rotation preventing structure is provided with a first through hole corresponding to the screw rod, and the second rotation preventing structure is provided with a second through hole corresponding to the screw rod; the shape of the first groove comprises any one of square, pentagon and hexagon.
2. The bolt-out type filter device according to claim 1, wherein the first rotation preventing structure and the second rotation preventing structure are insulators.
3. The bolt-out type filtering device according to claim 1, wherein the connection assembly further comprises two sets of washer assemblies, the two sets of washer assemblies being separately provided at the nuts on both sides of the first mounting plate, the washer assemblies including a spring washer and a flat washer.
4. The bolt-out type filtering device according to claim 1, wherein the two first mounting plates are an input mounting plate and an output mounting plate respectively, the cover plate comprises a first cover plate and a second cover plate, and the input mounting plate, the output mounting plate, the first cover plate and the shell jointly enclose an inner shielding cavity; the input mounting plate, the second cover plate and the shell also jointly enclose an external shielding cavity.
5. The bolt-out filter device of claim 4, wherein the filter assembly comprises a first filter assembly, the housing further comprising a second mounting plate between the input and output mounting plates, the first filter assembly mounted on the second mounting plate.
6. The bolt-out type filtering device according to claim 5, wherein a ferrite magnetic ring is further installed between the second installation plate and the input installation plate in the shell, and the ferrite magnetic ring is respectively connected with the connecting piece on the input installation plate and the first filtering component.
7. The bolt-out type filtering device according to claim 6, wherein a magnetic ring cavity is further arranged in the shell, and the ferrite magnetic ring is installed and encapsulated and fixed through the magnetic ring cavity.
8. The bolt-out type filtering device according to claim 5, wherein the filtering assembly further comprises a second filtering assembly, the second filtering assembly is a filtering circuit board, the second filtering assembly is installed between the second mounting plate and the input mounting plate, and the second filtering assembly is connected with a connecting piece on the input mounting plate and a connecting piece on the output mounting plate respectively.
9. The bolt-out type filter device according to claim 1, wherein a conductive adhesive tape is further provided between the housing and the cover plate.
CN202010601457.3A 2020-06-28 2020-06-28 Bolt leading-out type filtering device Active CN111817676B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010601457.3A CN111817676B (en) 2020-06-28 2020-06-28 Bolt leading-out type filtering device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010601457.3A CN111817676B (en) 2020-06-28 2020-06-28 Bolt leading-out type filtering device

Publications (2)

Publication Number Publication Date
CN111817676A CN111817676A (en) 2020-10-23
CN111817676B true CN111817676B (en) 2023-11-21

Family

ID=72855198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010601457.3A Active CN111817676B (en) 2020-06-28 2020-06-28 Bolt leading-out type filtering device

Country Status (1)

Country Link
CN (1) CN111817676B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386510A (en) * 2011-11-30 2012-03-21 常州佳讯光电产业发展有限公司 Filter screw bolt connection terminal
CN103037654A (en) * 2013-01-05 2013-04-10 陈夏新 Structure of large-current conductive circuit leading-out shell on circuit board in electric appliance box
CN109546364A (en) * 2018-12-14 2019-03-29 北京航天微电科技有限公司 A kind of anti-turn bolt component for conductive applications

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2924686B1 (en) * 2007-12-11 2010-05-14 Airbus France PARAFOUDRE AND AIRCRAFT SYSTEM COMPRISING SUCH A SYSTEM.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102386510A (en) * 2011-11-30 2012-03-21 常州佳讯光电产业发展有限公司 Filter screw bolt connection terminal
CN103037654A (en) * 2013-01-05 2013-04-10 陈夏新 Structure of large-current conductive circuit leading-out shell on circuit board in electric appliance box
CN109546364A (en) * 2018-12-14 2019-03-29 北京航天微电科技有限公司 A kind of anti-turn bolt component for conductive applications

Also Published As

Publication number Publication date
CN111817676A (en) 2020-10-23

Similar Documents

Publication Publication Date Title
US5639264A (en) Low cost filtered and shielded electronic connector and method of use
CN103441358B (en) Cable connector
WO2021027360A1 (en) Filter connection apparatus and filter method
KR20130050623A (en) Dielectric resonator filter
US5823827A (en) Low cost filtered and shielded electronic connector
KR20100104810A (en) Contact structure for shielding electromagnetic interference
CN111817676B (en) Bolt leading-out type filtering device
CN114759384A (en) Cabin type filter plug capable of efficiently shielding
CN111865247A (en) Multistage capacitor feed-through type power filter
JP4814004B2 (en) Noise removal connector
CN1057888C (en) Electromagnetic interference (FMI) suppressor for high voltage isolator
CN207819087U (en) Connecting terminal and electronic equipment
CN207852969U (en) A kind of new waterproof connecting terminal
CN202333335U (en) Video socket
CN207265323U (en) A kind of cable connector with reliable ground structure
CN114639507B (en) Structure for digitally insulating photoelectric equipment from external shell
CN212380676U (en) Low-voltage connector and electrical equipment
CN201956685U (en) High input and output insolation filter
CN111697801B (en) Large-current power supply filtering device
EP0696088A1 (en) Filter assemblies
CN219555249U (en) Screw mounting structure of printed circuit board and printed circuit board
CN211320441U (en) Connecting assembly of lightning protection
CN212011414U (en) Waterproof shielding structure
CN2874739Y (en) Core through capacitor
JPH0425825Y2 (en)

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