CN113395882A - Novel intelligent digital filter based on FPGA - Google Patents

Novel intelligent digital filter based on FPGA Download PDF

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Publication number
CN113395882A
CN113395882A CN202110706912.0A CN202110706912A CN113395882A CN 113395882 A CN113395882 A CN 113395882A CN 202110706912 A CN202110706912 A CN 202110706912A CN 113395882 A CN113395882 A CN 113395882A
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China
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heat conduction
filter
shell
fpga
digital filter
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CN202110706912.0A
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CN113395882B (en
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翟立红
党萌
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Xi'an Deboinser Electronic Information Technology Co ltd
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Shanghai Wende Tebin Intelligent Technology Co ltd
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Filtering Materials (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a novel intelligent digital filter based on FPGA (field programmable gate array), which comprises a protective shell, a filter shell and a joint seat, wherein the bottom of the protective shell is provided with an accommodating groove, two rectangular holes are respectively formed in two sides of an inner cavity of the accommodating groove, an installation block is fixedly installed in the accommodating groove, threaded rods are movably installed in the two sides of the installation block, the outer side of each threaded rod is hinged with a push seat through threads, installation plates are fixedly installed on one sides of two ends of each push seat, installation threaded holes are formed in the installation plates, and knobs are fixedly installed on the outer sides of the threaded rods. The intelligent digital wave recorder is formed by the parallel processing capability of the FPGA, the embedded RAM module and the system reconstruction characteristic, the problems of the existing digital filter are solved, the functional performance of the filter in practical application is comprehensively improved, the intelligent digital wave recorder not only has the advantage of high real-time performance, but also improves the precision of the digital filter, and has strong stability and low system resource utilization rate.

Description

Novel intelligent digital filter based on FPGA
Technical Field
The invention belongs to the technical field of digital filters, and particularly relates to a novel intelligent digital filter based on an FPGA.
Background
The filter is a filter circuit consisting of a capacitor, an inductor and a resistor. The filter can effectively filter the frequency point of the specific frequency in the power line or the frequencies except the frequency point to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency, and the digital filter is an algorithm or a device consisting of a digital multiplier, an adder and a delay unit. The digital filter is mainly used in instruments and automatic control systems, and is used for inhibiting and eliminating strong electromagnetic interference and electric spark interference on the site of an industrial automatic system, surveying instruments and meters on the site, and ensuring safe and reliable operation of the automatic control system.
The existing digital filter comprises a typical digital filter and an adaptive digital filter, wherein the typical digital filter has a limited application range, is limited to known signals, and cannot be applied to applications in which a noise signal and a useful signal spectrum are adjacent or overlapped, in practical applications, the spectrum of the noise signal may change according to working conditions, so that the original filter may not be useful, the adaptive digital filter can theoretically solve the problem that the noise signal and the useful signal spectrum are adjacent or overlapped, but mature products are insufficient in application, in addition, the existing adaptive filter has a single learning and tracking algorithm, fixed order and fixed framework and cannot meet the application of the change of the working conditions, in addition, installation parts of the existing digital filter are mostly fixed and cannot be adjusted and installed according to required installation positions, so that part of the digital filter cannot be installed and fixed, in addition, most of the existing digital filters are of sealing structures, the heat dissipation effect is not good, and the service life of the digital filters is shortened due to the fact that the internal temperature of the digital filters is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel intelligent digital filter based on an FPGA (field programmable gate array), which solves the problems that a typical digital filter is limited in application range, is limited to a known signal and a learning and tracking algorithm of an adaptive filter only, is fixed in order and framework, and cannot meet the application requirement of working condition change.
In order to achieve the purpose, the invention provides the following technical scheme: a novel intelligent digital filter based on FPGA comprises a protective outer shell, a filter shell and a connector seat, the bottom of the protective shell is provided with a containing groove, two sides of the inner cavity of the containing groove are provided with two rectangular holes, the interior of the accommodating groove is fixedly provided with an installation block, the interiors of both sides of the installation block are movably provided with threaded rods, the outer side of the threaded rod is hinged with a push seat through threads, one side of each of two ends of the push seat is fixedly provided with a mounting plate, the mounting plate is internally provided with a mounting threaded hole, the outer side of the threaded rod is fixedly provided with a knob, both sides of the protective shell are provided with sealing threaded holes, both sides of the filter shell are fixedly provided with connecting interfaces, the one end fixed mounting of joint seat has attach fitting, the one end fixed mounting that the attach fitting was kept away from to the joint seat has the plug.
Preferably, the specification and size of the filter shell and the specification and size of the inner cavity of the protective shell are matched, the filter shell is installed inside the inner cavity of the protective shell, the outer wall of the filter shell is in contact with the inner wall of the protective shell, and the top of the contact part is fixedly provided with sealing adhesive.
Preferably, the number of the sealing threaded holes is five, three of the five sealing threaded holes are arranged on one side of the protective outer shell, and the other two of the five sealing threaded holes are arranged on the other side of the protective outer shell.
Preferably, the number of the connection interfaces is five, three of the five connection interfaces are fixedly installed on one side of the filter housing, and the other two of the five connection interfaces are fixedly installed on the other side of the filter housing.
Preferably, the positions of the five sealing threaded holes correspond to the positions of the five connecting interfaces, the number of the joint seats is five, sealing threads are arranged on the outer side of the joint seat, the specification and the size of the sealing threads are matched with those of the sealing threaded holes, and the specification and the size of the connecting joints are matched with those of the connecting interfaces.
Preferably, the inside of pushing away the seat is seted up with the screw hole of threaded rod looks adaptation, and pushes away the seat and pass through the screw hole screw thread and articulate in the outside of threaded rod, the position of mounting panel is corresponding with the position of rectangular hole, the specification and size of mounting panel is with the specification and size looks adaptation of rectangular hole, the mounting panel is kept away from the one end movable mounting who pushes away the seat and is in the inside of rectangular hole.
Preferably, the front surface of the protective outer shell is fixedly provided with a first signboard, and the top of the filter shell is fixedly provided with a second signboard.
Preferably, the protective casing body includes first interior heat-conducting layer, one side fixed mounting of first interior heat-conducting layer has first heat conduction copper sheet, one side fixed mounting that first interior heat-conducting layer was kept away from to first heat conduction copper sheet has first outer heat-conducting layer, one side fixed mounting that first heat conduction copper sheet was kept away from to first outer heat-conducting layer has the insulating layer, the heat conduction lug is all installed to the opposite side of first interior heat-conducting layer and first outer heat-conducting layer, the heat conduction recess has all been seted up to the both sides of first heat conduction copper sheet, and the heat conduction lug is installed in the inboard of heat conduction recess, the heat dissipation pore has been seted up to the inside of insulating layer.
Preferably, the filter shell comprises a second inner heat conduction layer, a second heat conduction copper sheet is fixedly mounted on one side of the second inner heat conduction layer, a second outer heat conduction layer is fixedly mounted on one side, away from the second inner heat conduction layer, of the second heat conduction copper sheet, heat conduction convex blocks are mounted on the opposite sides of the second inner heat conduction layer and the second outer heat conduction layer, heat conduction grooves are formed in the two sides of the second heat conduction copper sheet, the heat conduction convex blocks are mounted on the inner sides of the heat conduction grooves, and heat conduction pores are formed in the second inner heat conduction layer, the second heat conduction copper sheet and the second outer heat conduction layer.
Preferably, the filter shell is internally provided with an FPGA and an FLASH, and the FPGA comprises a filter core controller, a learning and tracking algorithm module, an automatic weight value updating module and an RAM address data correlation coding module.
Compared with the prior art, the invention has the beneficial effects that:
1. the intelligent digital wave recorder is formed by the parallel processing capability of the FPGA, the embedded RAM module and the system reconstruction characteristic, the problems of the existing digital filter are solved, the functional performance of the filter in practical application is comprehensively improved, the intelligent digital wave recorder not only has the advantage of high real-time performance, but also improves the precision of the digital filter, and has strong stability and low system resource utilization rate.
2. Through the threaded rod that sets up, the knob, push away the installation distance that digital filter can be adjusted in cooperation between seat and the mounting panel, when the mounted position interval is great, the accessible rotates the knob and drives the threaded rod and rotate, thereby the drive pushes away the seat and removes, the position of regulation mounting panel, thereby promote digital filter's installation and be suitable for straining, can realize installing digital filter at different spatial position, prevent that digital filter can't fix the potential safety hazard that exists when leading to digital filter to use for a long time, reduce the potential safety hazard, the life of extension wave filter.
3. Through the second in the heat-conducting layer that sets up, the effectual derivation of heat that the inside equipment of wave filter casing produced of second heat conduction copper sheet and the outer heat-conducting layer of second, reduce the inside temperature of wave filter casing, cool down the protection to the inside equipment of wave filter casing, prevent that the inside equipment of wave filter casing from because of the higher damage of temperature, set up first interior heat-conducting layer in addition, first heat conduction copper sheet and first outer heat-conducting layer can be derived the inside exhaust heat of wave filter casing, then seted up heat dissipation pore through the inside of insulating layer and discharged, reduce the temperature of wave filter casing.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the protective casing according to the present invention;
FIG. 3 is a schematic bottom view of the protective outer casing according to the present invention;
fig. 4 is a schematic perspective structural view of a filter housing according to the present invention;
FIG. 5 is a schematic perspective view of a connector base according to the present invention;
FIG. 6 is a schematic diagram of a protective shell hierarchy according to the present invention;
FIG. 7 is a schematic diagram of the filter housing hierarchy of the present invention;
FIG. 8 is a block diagram of the system of the present invention.
In the figure: 1. a protective outer shell; 101. a first inner heat conducting layer; 102. a first thermally conductive copper sheet; 103. an insulating layer; 104. a first outer heat conducting layer; 2. a filter housing; 201. a second inner heat conducting layer; 202. a second thermally conductive copper sheet; 203. a second outer heat conducting layer; 3. a joint base; 4. a rectangular hole; 5. mounting a plate; 6. installing a threaded hole; 7. a first signboard; 8. sealing the threaded hole; 9. a knob; 10. a receiving groove; 11. a pushing seat; 12. mounting blocks; 13. a threaded rod; 14. a second signboard; 15. connecting an interface; 16. connecting a joint; 17. and (4) a plug.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1-8, the present invention provides a technical solution: a novel intelligent digital filter based on FPGA comprises a protective outer shell 1, filter casing 2 and joint seat 3, the groove 10 has been seted up to the bottom of protection shell body 1, two rectangular hole 4 have all been seted up to the both sides of accomodating the groove 10 inner chamber, the inside fixed mounting who accomodates groove 10 has installation piece 12, the equal movable mounting in inside of installation piece 12 both sides has threaded rod 13, threaded rod 13's the outside screw-thread articulates there is the seat 11 that pushes away, the equal fixed mounting in one side at 11 both ends of seat has mounting panel 5, mounting screw hole 6 has been seted up to the inside of mounting panel 5, the outside fixed mounting of threaded rod 13 has knob 9, sealed screw hole 8 has all been seted up to the both sides of protection shell body 1, the equal fixed mounting in both sides of filter casing 2 has connection interface 15, the one end fixed mounting of joint seat 3 has joint 16, the one end fixed mounting that joint 16 was kept away from to joint seat 3 has plug 17.
In the embodiment, firstly, the digital filter is assembled, the filter housing 2 is placed in the protective housing 1, the outer wall of the filter housing 2 is in contact with the inner wall of the protective housing 1, the top of the contact part is filled with sealing adhesive, then five connector bases 3 are hinged inside five sealing threaded holes 8 through the sealing threaded threads on the outer side, five connecting connectors 16 are respectively inserted inside five connecting interfaces 15, then the digital filter is installed, the knob 9 is rotated to drive the threaded rod 13 to rotate, so as to drive the pushing base 11 to move, the position of the installation plate 5 is adjusted, after the proper position is adjusted, the digital filter is fixed by penetrating through the installation threaded hole 6 through the installation bolt, so that the installation application range of the digital filter is enlarged, and the digital filter can be installed at different spatial positions, the potential safety hazard that exists when preventing digital filter from can't fixing and leading to digital filter to use for a long time reduces the potential safety hazard, prolongs the life of wave filter.
Example two:
as shown in fig. 1 to 8, on the basis of the first embodiment, the present invention provides a technical solution: the specification and the size of the filter shell 2 are matched with those of the inner cavity of the protective outer shell 1, the filter shell 2 is arranged in the inner cavity of the protective outer shell 1, the outer wall of the filter shell 2 is in contact with the inner wall of the protective outer shell 1, sealing adhesive is fixedly arranged at the top of the contact part, the number of the sealing threaded holes 8 is five, three of the five sealing threaded holes 8 are arranged at one side of the protective outer shell 1, the other two of the five sealing threaded holes 8 are arranged at the other side of the protective outer shell 1, the number of the connecting interfaces 15 is five, three of the five connecting interfaces 15 are fixedly arranged at one side of the filter shell 2, the other two of the five connecting interfaces 15 are fixedly arranged at the other side of the filter shell 2, the positions of the five sealing threaded holes 8 correspond to the positions of the five connecting interfaces 15, and the number of the joint seats 3 is five, the outside of the joint seat 3 is provided with a sealing thread, the specification and the size of the sealing thread are matched with those of the sealing threaded hole 8, and the specification and the size of the connecting joint 16 are matched with those of the connecting interface 15.
In this embodiment, when the digital filter is assembled, the filter housing 2 is placed in the protective housing 1, the outer wall of the filter housing 2 is in contact with the inner wall of the protective housing 1, the top of the contact portion is filled with the sealing adhesive, then the five connector bases 3 are hinged inside the five sealing threaded holes 8 through the sealing threads on the outer side, and the five connecting connectors 16 are respectively inserted into the five connecting interfaces 15.
Example three:
as shown in fig. 1 to 8, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the inside of pushing away seat 11 is seted up and is liked the screw hole of adaptation with threaded rod 13, and pushes away seat 11 and pass through the screw hole screw thread and articulate in the outside of threaded rod 13, the position of mounting panel 5 is corresponding with the position of rectangular hole 4, the specification and size of mounting panel 5 is with the specification and size looks adaptation of rectangular hole 4, mounting panel 5 keeps away from the one end movable mounting who pushes away seat 11 in the inside of rectangular hole 4, the positive fixed mounting of protection shell body 1 has first signboard 7, the top fixed mounting of filter housing 2 has second signboard 14.
In this embodiment, it drives threaded rod 13 and rotates to rotate knob 9, thereby it removes to drive and push away seat 11, adjust the position of mounting panel 5, adjust behind the suitable position, rethread mounting bolt runs through mounting screw hole 6 and fixes digital filter, thereby promote digital filter's installation application scope, can realize installing digital filter at different spatial position, prevent that digital filter can't fix the potential safety hazard that exists when leading to digital filter long-term use, reduce the potential safety hazard, the life of extension wave filter, first signboard 7 and second signboard 14's effect is the model of convenient discernment digital filter.
Example four:
as shown in fig. 1 to 8, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: the protective outer shell 1 comprises a first inner heat conduction layer 101, a first heat conduction copper sheet 102 is fixedly arranged on one side of the first inner heat conduction layer 101, a first outer heat conduction layer 104 is fixedly arranged on one side, away from the first inner heat conduction layer 101, of the first heat conduction copper sheet 102, an insulation layer 103 is fixedly arranged on one side, away from the first heat conduction copper sheet 102, of the first outer heat conduction layer 104, heat conduction lugs are arranged on opposite sides of the first inner heat conduction layer 101 and the first outer heat conduction layer 104, heat conduction grooves are formed in two sides of the first heat conduction copper sheet 102, the heat conduction lugs are arranged on inner sides of the heat conduction grooves, heat dissipation pores are formed in the insulation layer 103, the filter shell 2 comprises a second inner heat conduction layer 201, a second heat conduction copper sheet 202 is fixedly arranged on one side of the second inner heat conduction layer 201, a second outer heat conduction layer 203 is fixedly arranged on one side, away from the second inner heat conduction copper sheet 202, and heat conduction lugs are arranged on opposite sides of the second inner heat conduction layer 201 and the second outer heat conduction layer 203, heat conduction grooves are formed in the two sides of the second heat conduction copper sheet 202, the heat conduction protrusions are mounted on the inner sides of the heat conduction grooves, and heat conduction pores are formed in the second inner heat conduction layer 201, the second heat conduction copper sheet 202 and the second outer heat conduction layer 203.
In this embodiment, through the second inner heat conduction layer 201 that sets up, the effectual derivation of heat that the inside equipment of wave filter casing 2 produced of second heat conduction copper sheet 202 and the outer heat conduction layer 203 of second, reduce the inside temperature of wave filter casing 2, cool down the protection to the inside equipment of wave filter casing 2, prevent that the inside equipment of wave filter casing 2 from because of the higher damage of temperature, set up first inner heat conduction layer 101 in addition, first heat conduction copper sheet 102 and first outer heat conduction layer 104 can be derived the inside exhaust heat of wave filter casing 2, then seted up the pore of dispelling the heat through the inside of insulating layer 103 and discharged, reduce the temperature of wave filter casing 2.
Example five:
as shown in fig. 1 to 8, on the basis of the first embodiment, the second embodiment, the third embodiment and the fourth embodiment, the present invention provides a technical solution: the filter shell 2 is internally provided with an FPGA and an FLASH, wherein the FPGA comprises a filter core controller, a learning and tracking algorithm module, an automatic weight value updating module and an RAM address data correlation coding module.
In the embodiment, the parallel processing capability of the FPGA, the embedded RAM module and the system reconfiguration characteristic form an intelligent digital wave recorder, so that the problems of the existing digital filter are solved, the functional performance of the filter in practical application is comprehensively improved, the advantage of high real-time performance is achieved, the precision of the digital filter is improved, the stability is high, and the system resource utilization rate is low.
The working principle and the using process of the invention are as follows: firstly, the digital filter is assembled, the filter shell 2 is placed in the protective shell 1, the outer wall of the filter shell 2 is in contact with the inner wall of the protective shell 1, sealing adhesive is filled at the top of the contact part, then five connector bases 3 are hinged inside five sealing threaded holes 8 through the sealing threaded threads on the outer sides, five connecting joints 16 are respectively inserted inside five connecting interfaces 15, then the digital filter is installed, a knob 9 is rotated to drive a threaded rod 13 to rotate, so as to drive a pushing base 11 to move, the position of a mounting plate 5 is adjusted to a proper position, the digital filter is fixed through a mounting threaded hole 6 through a mounting bolt, so that the mounting application range of the digital filter is enlarged, the digital filter can be mounted at different spatial positions, and the potential safety hazard caused by the digital filter being incapable of being fixed during long-time use is prevented, the potential safety hazard is reduced, the service life of the filter is prolonged, the interior of the filter shell 2 is provided with the FPGA and the FLASH, the FPGA comprises a filter core controller, a learning and tracking algorithm module, an automatic weight updating module and an RAM address data association coding module, the parallel processing capacity of the set FPGA, an embedded RAM module and system reconstruction characteristics form an intelligent digital recorder, the problems of the existing digital filter are solved, the functional performance of the filter in practical application is comprehensively improved, the digital filter has the advantage of high real-time performance, the precision of the digital filter is improved, the stability is high, and the system resource utilization rate is low.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a novel intelligent digital filter based on FPGA, includes protection shell body (1), filter casing (2) and joint seat (3), its characterized in that: the filter comprises a protective shell body (1), and is characterized in that a containing groove (10) is formed in the bottom of the protective shell body (1), two rectangular holes (4) are formed in two sides of an inner cavity of the containing groove (10), an installation block (12) is fixedly installed in the containing groove (10), threaded rods (13) are movably installed in the installation block (12), a push seat (11) is hinged to outer side threads of the threaded rods (13), an installation plate (5) is fixedly installed on one side of two ends of the push seat (11), an installation threaded hole (6) is formed in the installation plate (5), a knob (9) is fixedly installed on the outer side of each threaded rod (13), sealing threaded holes (8) are formed in two sides of the protective shell body (1), a connection interface (15) is fixedly installed on two sides of the filter shell body (2), and a connection joint (16) is fixedly installed at one end of the joint seat (3), and a plug (17) is fixedly arranged at one end of the joint seat (3) far away from the connecting joint (16).
2. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the filter comprises a filter shell (2), and is characterized in that the filter shell is matched with the protective shell (1) in size, the filter shell (2) is arranged in the protective shell (1) in an inner cavity, the outer wall of the filter shell (2) is in contact with the inner wall of the protective shell (1), and sealing adhesive is fixedly arranged at the top of the contact part.
3. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the number of the sealing threaded holes (8) is five, three of the sealing threaded holes (8) are arranged on one side of the protective outer shell (1), and the other two of the sealing threaded holes (8) are arranged on the other side of the protective outer shell (1).
4. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the filter comprises a filter shell (2), and is characterized in that the number of the connecting interfaces (15) is five, three of the five connecting interfaces (15) are fixedly arranged on one side of the filter shell (2), and the other two of the five connecting interfaces (15) are fixedly arranged on the other side of the filter shell (2).
5. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the position of five sealed screw hole (8) is corresponding with the position of five connection interface (15), the quantity of joint seat (3) is five, the outside of joint seat (3) is provided with sealed screw thread, and the specification and size of sealed screw thread and the specification and size looks adaptation of sealed screw hole (8), the specification and size looks adaptation of connection interface (16) and connection interface (15).
6. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the utility model discloses a mounting plate, including push away seat (11), push away the inside screw hole of offering with threaded rod (13) looks adaptation, and push away seat (11) and articulate the outside in threaded rod (13) through the screw hole screw thread, the position of mounting panel (5) is corresponding with the position of rectangular hole (4), the specification and size of mounting panel (5) is with the specification and size looks adaptation of rectangular hole (4), mounting panel (5) are kept away from the one end movable mounting who pushes away seat (11) and are in the inside of rectangular hole (4).
7. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the filter is characterized in that a first signboard (7) is fixedly mounted on the front surface of the protective outer shell (1), and a second signboard (14) is fixedly mounted at the top of the filter shell (2).
8. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the utility model discloses a heat-conducting structure, including protection shell body (1), one side fixed mounting of first interior heat-conducting layer (101) has first heat conduction copper sheet (102), one side fixed mounting that first interior heat-conducting layer (101) was kept away from in first heat conduction copper sheet (102) has first outer heat-conducting layer (104), one side fixed mounting that first heat conduction copper sheet (102) were kept away from in first outer heat-conducting layer (104) has insulating layer (103), the heat conduction lug is all installed to the opposite side of first interior heat-conducting layer (101) and first outer heat-conducting layer (104), heat conduction recess has all been seted up to the both sides of first heat conduction copper sheet (102), and the heat conduction lug is installed in the inboard of heat conduction recess, the heat dissipation pore has been seted up to the inside of insulating layer (103.
9. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the filter shell (2) comprises a second inner heat conduction layer (201), a second heat conduction copper sheet (202) is fixedly mounted on one side of the second inner heat conduction layer (201), one side, far away from the second inner heat conduction layer (201), of the second heat conduction copper sheet (202) is fixedly mounted on a second outer heat conduction layer (203), heat conduction convex blocks are mounted on opposite sides of the second inner heat conduction layer (201) and the second outer heat conduction layer (203), heat conduction grooves are formed in two sides of the second heat conduction copper sheet (202), heat conduction convex blocks are mounted on the inner sides of the heat conduction grooves, and heat conduction pores are formed in the second inner heat conduction layer (201), the second heat conduction copper sheet (202) and the second outer heat conduction layer (203).
10. The novel intelligent digital filter based on FPGA of claim 1, characterized in that: the filter comprises a filter shell (2), and is characterized in that an FPGA and an FLASH are arranged in the filter shell (2), wherein the FPGA comprises a filter core controller, a learning and tracking algorithm module, an automatic weight value updating module and an RAM address data correlation coding module.
CN202110706912.0A 2021-06-24 2021-06-24 Intelligent digital filter based on FPGA Active CN113395882B (en)

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Citations (5)

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Publication number Priority date Publication date Assignee Title
CN207005653U (en) * 2017-05-26 2018-02-13 东莞市咏隆电子有限公司 A kind of wave filter fixing and mounting bracket
CN108322196A (en) * 2018-04-16 2018-07-24 南京幕府信息技术有限公司 A kind of adjustable type pressing plate for filter
CN211655998U (en) * 2020-04-17 2020-10-09 金美佳电子(深圳)有限公司 High-capacity three-phase power supply filter
CN212623237U (en) * 2020-07-25 2021-02-26 唐山学院 Installation fixing device for optical fiber filter
CN212785278U (en) * 2020-08-05 2021-03-23 菲比斯微波技术成都有限公司 Broadband filter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207005653U (en) * 2017-05-26 2018-02-13 东莞市咏隆电子有限公司 A kind of wave filter fixing and mounting bracket
CN108322196A (en) * 2018-04-16 2018-07-24 南京幕府信息技术有限公司 A kind of adjustable type pressing plate for filter
CN211655998U (en) * 2020-04-17 2020-10-09 金美佳电子(深圳)有限公司 High-capacity three-phase power supply filter
CN212623237U (en) * 2020-07-25 2021-02-26 唐山学院 Installation fixing device for optical fiber filter
CN212785278U (en) * 2020-08-05 2021-03-23 菲比斯微波技术成都有限公司 Broadband filter

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