CN113315481A - Low-jitter filter - Google Patents
Low-jitter filter Download PDFInfo
- Publication number
- CN113315481A CN113315481A CN202110468321.4A CN202110468321A CN113315481A CN 113315481 A CN113315481 A CN 113315481A CN 202110468321 A CN202110468321 A CN 202110468321A CN 113315481 A CN113315481 A CN 113315481A
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- pin
- pressing strip
- annular block
- filter
- conductor
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
- H01R13/6335—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only comprising a handle
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
Abstract
The invention relates to the field of signal transmission, in particular to a low-jitter filter, which comprises a circuit element, a box body, a mounting plate and pins, wherein the box body is provided with a plurality of through holes; the pins are arranged into round bars, and pressing strips are uniformly distributed around the pins; one end of the pressing strip is fixedly connected to one end, close to the box body, of the pin, the other end of the pressing strip is located at the other end of the pin, the pressing strip is made of elastic materials, and the other end of the pressing strip is far away from the other end of the pin under the action of self elastic force; the periphery of the pressing bar is sleeved with an annular block; the central shaft of the annular block is coaxial with the central shaft of the pin; the spring pushes the annular block to move close to the other end of the pin, and the annular block pushes the pressing strip to extrude and match the conductor, so that the effect of fixedly connecting the conductor and the pin is achieved, the situation that the conductor and the pin are in poor contact after shaking is prevented, the signal transmission stability of the low-jitter filter is improved, and meanwhile, the low-jitter filter has the characteristics of convenience in installation and replacement, economy and practicability.
Description
Technical Field
The invention relates to the field of signal transmission, in particular to a low-jitter filter.
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; a filter which is a device for filtering waves; the low-jitter filter is used as one of the filters, the low-jitter filter realizes the effect of reducing the jitter noise of the filter by quickly pulling the level of a charge-discharge signal to the level of an input signal, the low-jitter filter is applied to various fields, such as a sound box, the filter only allows a frequency point with a specific frequency or a frequency point below the frequency point to pass through, namely the filter can block the noise above the frequency point with the specific frequency, so that the interference and the noise in a power grid are eliminated, the power transmission of a power supply is smoother and more stable, and the tone quality of a sound system is fully ensured; the sound production principle of the loudspeaker box is that sound is produced through vibration of the paper tympanic membrane, the vibration of the paper tympanic membrane can drive the vibration of an internal element of the loudspeaker box, and the filter is installed inside the loudspeaker box, so that the filter can shake due to the influence of the paper tympanic membrane, and the filter shakes and can drive the pins of the filter to shake with the lead, so that the pins of the filter can be in poor contact after shaking for a long time, and further the stability of sound wave transmission is influenced, and if the pins of the filter are welded with the lead, the installation and the replacement of the filter can be influenced.
For example, a chinese patent with application number CN201520637832.4 discloses a power filter, which includes a housing, power pins, load pins, and a filter unit; the inner part of the shell is divided into a plurality of independent accommodating grooves; the filtering unit is placed in the containing groove; guide holes for connecting the filter units are arranged on the wall of the groove between the adjacent accommodating grooves; the power supply pin and the load pin are also arranged on the outer wall surface of the shell; the power supply pin and the load pin are respectively connected with the corresponding filtering units; the outer wall of the shell is also provided with an ear plate for fixing; the power supply pin and the load pin have the same structure and respectively comprise an end post, a connecting part and a spring; a round hole for mounting the end post is formed in the center of the connecting part; the end post is provided with a limiting bulge; the technical scheme adopts the pins with the elastic structures, so that the pins can still keep a good working state under the condition of large stress and are not easy to damage; but this technical scheme still can not solve the condition that the filter pin receives vibrations and causes not hard up in stereo set working process to make the stability of sound wave transmission receive the influence, and then cause the limitation of this scheme.
In view of the above, in order to overcome the above technical problems, the present invention provides a low jitter filter, which solves the above technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the low-jitter filter provided by the invention has the advantages that the spring pushes the annular block to move close to the other end of the pin, and then the annular block pushes the pressing strip to extrude and match the conductor, so that the effect of fixedly connecting the conductor and the pin is achieved, the condition that the conductor and the pin are in poor contact after shaking is further prevented, the signal transmission stability of the low-jitter filter is improved, and meanwhile, the low-jitter filter has the characteristics of convenience in installation and replacement, economy and practicability.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a low-jitter filter, which comprises a circuit element, a box body, a mounting plate and pins; the pins are arranged into round bars, and pressing strips are uniformly distributed around the pins; one end of the pressing strip is fixedly connected to one end, close to the box body, of the pin, the other end of the pressing strip is located at the other end of the pin, the pressing strip is made of elastic materials, and the other end of the pressing strip is far away from the other end of the pin under the action of self elastic force; the periphery of the pressing bar is sleeved with an annular block; the central shaft of the annular block is coaxial with the central shaft of the pin; the other end of the pressing strip can be in contact with the other end of the pin under the extrusion of the annular block; a spring is arranged between the annular block and the box body; the pin and the pressing strip are surrounded by the spring, one end of the spring is connected with the outer wall of the box body, and the other end of the spring is connected with the annular block;
when the loudspeaker box works, a sound production principle of the loudspeaker box is that the sound is produced through vibration of the paper drum membrane, the vibration of the paper drum membrane can drive internal elements of the loudspeaker box to vibrate, the filter is installed in the loudspeaker box, so that the filter can shake under the influence of the paper drum membrane, the filter can drive the pins of the filter and the lead to shake under the drive of the shake, the pins of the filter can be in poor contact after being shaken for a long time, the stability of sound wave transmission is further influenced, and if the pins of the filter and the lead are welded, the installation and replacement of the filter can be influenced;
therefore, in the invention, the worker firstly strips the insulating skin on the lead to expose the conductor, then pushes the annular block to move close to the box body, meanwhile, the annular block can extrude the spring, after the annular block is far away from the other end of the pressing strip, the other end of the pressing strip moves away from the other end of the pin under the action of the elastic force of the worker, then the worker winds the conductor on the pin, and releases the annular block, so that the annular block moves close to the other end of the pressing strip under the action of the spring, the other end of the pressing strip moves close to the other end of the pin under the action of the annular block, the conductor is pressed on the pin through the pressing strip, the effect of connecting the guide to the pin is further achieved, and the worker then installs the filter connected with the lead in the sound box through the installation plate; the filter can eliminate interference and noise in a power grid, so that power transmission of a power supply is smoother and more stable, and the tone quality of a sound system is fully ensured;
the spring pushes the annular block to move close to the other end of the pin, and the annular block pushes the pressing strip to extrude and match the conductor, so that the effect of fixedly connecting the conductor and the pin is achieved, the situation that the conductor and the pin are in poor contact after shaking is prevented, the signal transmission stability of the low-jitter filter is improved, and meanwhile, the low-jitter filter has the characteristics of convenience in installation and replacement, economy and practicability.
Preferably, a bulge is arranged on the outer wall of the pressing strip away from the pins; the cross section of the bulge is semicircular, and the bulge is uniformly distributed on the outer wall of the pressing strip; a concave pit is arranged on the inner wall of the annular block close to the pin; the cross section of the concave pit is consistent with that of the convex pit; the bulge can be clamped in the concave pit under the relative movement of the annular block; the during operation, the annular piece extrudees the layering under the effect of spring, can drive the pit motion when the annular piece removes to make the pit move to corresponding arch around under the drive of annular piece, protruding card is in the pit under the effect of self elasticity, thereby has reached the effect to the annular piece locking, prevents to appear that the annular piece return from causing the not hard up condition of conductor under vibrations, has further improved the stability that the pin of wave filter is connected with the conductor.
Preferably, a through groove is formed in the outer wall of the annular block; the through groove is communicated with the bottom of the pit, and the push block is connected in the through groove in a sliding manner; one end of the push block can extend into the concave pit after moving, and the other end of the push block extends to the outside of the through groove; the during operation, when the staff need change the wave filter, the staff only need press the ejector pad for the ejector pad slides along leading to the groove under staff's promotion, thereby make the other end of ejector pad stretch into in the pit, make the ejector pad extrude the arch in the corresponding pit, the arch is flattened after receiving the extrusion, make the pit on the annular piece not keep away from the other end of pin under bellied hindrance, and then improved the convenience of taking off the wire from the pin.
Preferably, the air holes are formed in the pressing strips; the air holes are uniformly distributed in the pressing strip, one end of each air hole is communicated with the end face, close to the pins, of the pressing strip, the other end of each air hole extends into the corresponding bulge, and the air holes are filled with heat conduction materials such as diamonds; the during operation, the conductor circular telegram can produce the heat, because layering and conductor contact, so the heat of conductor can transmit to the layering on, the heat of conductor still transmits to the heat conduction material in the gas pocket simultaneously on for can take place the inflation after the heat transmission of heat conduction material and layering is received to the arch, and then improved the compactness of protruding card in corresponding pit, make the stability of conductor winding at the pin further obtain improving.
Preferably, the distance between the two protrusions on the pressing strip is greater than the width of the annular block; when the extrusion die works, the distance between the adjacent protrusions on the same pressing strip is limited, so that the adjacent protrusions can not block the contact effect between the annular block and the pressing strip in the process that one protrusion is clamped in the concave pit, the extrusion stability of the annular block to the pressing strip is improved, and the practical application effect of the extrusion die is improved.
Preferably, a corrugated sleeve is sleeved around the pin; the corrugated sleeve wraps the spring, the annular block and the pressing bar, one end of the corrugated sleeve is fixedly connected to the outer wall of the box body, the other end of the corrugated sleeve is positioned around the other end of the pressing bar, and the inner wall of the corrugated sleeve, which is close to the pressing bar, is fixedly connected with a U-shaped ring; the U-shaped rings are wound with a ring rope together; the ring rope is connected with the other end of the pressing strip through a cord; when the dustproof device works, the annular block can extrude the other end of the pressing strip, so that the other end of the pressing strip is close to the other end of the pin under extrusion, the loop rope can be pulled through the cord in the moving process of the other end of the pressing strip, the other end of the corrugated sleeve is tightened through the loop rope, the corrugated sleeve wraps the contact position of the conductor and the pin, the dustproof purpose of the connection position of the pin and the conductor is achieved, meanwhile, the dustproof device is convenient to detach, and the using effect of the dustproof device is improved.
The invention has the following beneficial effects:
1. the spring pushes the annular block to move close to the other end of the pin, and the annular block pushes the pressing strip to extrude and match the conductor, so that the effect of fixedly connecting the conductor and the pin is achieved, the situation that the conductor and the pin are in poor contact after shaking is prevented, the signal transmission stability of the low-jitter filter is improved, and meanwhile, the low-jitter filter has the characteristics of convenience in installation and replacement, economy and practicability.
2. According to the invention, the pressing strip is extruded by the annular block under the action of the spring, the annular block drives the concave pit to move while moving, so that the concave pit moves to the periphery of the corresponding protrusion under the drive of the annular block, and the protrusion is clamped in the concave pit under the action of the self elastic force, so that the annular block is locked, the condition that the conductor is loosened due to the return of the annular block under vibration is prevented, and the stability of the connection between the pin of the filter and the conductor is further improved.
3. When the filter needs to be replaced by a worker, the worker only needs to press the push block, so that the push block slides along the through groove under the pushing of the worker, the other end of the push block extends into the concave pit, the push block extrudes the protrusion in the corresponding concave pit, the protrusion is flattened after being extruded, the concave pit in the annular block is not far away from the other end of the pin under the obstruction of the protrusion, and the convenience of taking the lead off the pin is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a cross-sectional view of the bellows sleeve and annular block of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
FIG. 5 is a cross-sectional view taken at C-C of FIG. 3;
FIG. 6 is an enlarged view at D of FIG. 5;
FIG. 7 is an enlarged view at E in FIG. 3;
in the figure: the box body 1, the mounting plate 2, the pins 3, the pressing strips 4, the protrusions 41, the air holes 42, the annular blocks 5, the pits 51, the through grooves 52, the push blocks 53, the springs 6, the corrugated sleeves 7, the U-shaped rings 71, the annular ropes 72 and the ropes 73.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the low jitter filter of the present invention includes a circuit element, a case 1, a mounting board 2 and a pin 3; the pins 3 are arranged into round bars, and the pressing strips 4 are uniformly distributed around the pins 3; one end of the pressing strip 4 is fixedly connected to one end, close to the box body 1, of the pin 3, the other end of the pressing strip 4 is located at the other end of the pin 3, the pressing strip 4 is made of elastic materials, and the other end of the pressing strip 4 is far away from the other end of the pin 3 under the action of self elasticity; the periphery of the pressing strip 4 is sleeved with an annular block 5; the central axis of the annular block 5 is coaxial with the central axis of the pin 3; the other end of the pressing strip 4 can be contacted with the other end of the pin 3 under the extrusion of the annular block 5; a spring 6 is arranged between the annular block 5 and the box body 1; the pin 3 and the pressing strip 4 are surrounded by the spring 6, one end of the spring 6 is connected with the outer wall of the box body 1, and the other end of the spring 6 is connected with the annular block 5;
when the loudspeaker box works, a sound production principle of the loudspeaker box is that the sound is produced through vibration of the paper drum membrane, the vibration of the paper drum membrane can drive internal elements of the loudspeaker box to vibrate, the filter is arranged in the loudspeaker box, so that the filter can shake under the influence of the paper drum membrane, the filter can drive the pin 3 of the filter to shake with the lead, the pin 3 of the filter is poor in contact after shaking for a long time, the stability of sound wave transmission is further influenced, and if the pin 3 of the filter is welded with the lead, the installation and replacement of the filter can be influenced;
therefore, in the invention, a worker firstly strips an insulating skin on a lead to expose a conductor, then pushes the annular block 5 to move close to the box body 1, meanwhile, the annular block 5 can extrude the spring 6, after the annular block 5 is far away from the other end of the pressing strip 4, the other end of the pressing strip 4 moves away from the other end of the pin 3 under the action of self elasticity, then the worker winds the conductor on the pin 3 and releases the annular block 5, so that the annular block 5 moves close to the other end of the pressing strip 4 under the action of the spring 6, the other end of the pressing strip 4 moves close to the other end of the pin 3 under the action of the annular block 5, the conductor is pressed on the pin 3 through the pressing strip 4, the effect of connecting the lead to the pin 3 is achieved, and the worker installs the filter connected with the lead in a sound box through the mounting plate 2; the filter can eliminate interference and noise in a power grid, so that power transmission of a power supply is smoother and more stable, and the tone quality of a sound system is fully ensured;
the spring 6 pushes the annular block 5 to move close to the other end of the pin 3, and then the annular block 5 pushes the pressing strip 4 to extrude and match the conductor, so that the effect of fixedly connecting the conductor and the pin 3 is achieved, the situation that the conductor and the pin 3 are in poor contact after shaking is prevented, the signal transmission stability of the low-jitter filter is improved, and meanwhile, the low-jitter filter has the characteristics of convenience in installation and replacement, economy and practicability.
As an embodiment of the invention, a protrusion 41 is arranged on the outer wall of the pressing strip 4 away from the pin 3; the cross section of the bulge 41 is semicircular, and the bulges 41 are uniformly distributed on the outer wall of the pressing strip 4; a concave pit 51 is arranged on the inner wall of the annular block 5 close to the pin 3; the cross-sectional shape of the concave pit 51 is consistent with that of the convex 41; the protrusion 41 can be clamped in the concave pit 51 under the relative movement of the annular block 5; the during operation, annular piece 5 extrudees layering 4 under the effect of spring 6, can drive pit 51 motion when annular piece 5 removes, thereby make pit 51 move to around corresponding arch 41 under the drive of annular piece 5, arch 41 blocks in pit 51 under the effect of self elasticity, thereby reached the effect to annular piece 5 locking, prevent that annular piece 5 from returning under vibrations and causing the not hard up condition of conductor, the stability of pin 3 and the conductor connection of wave filter has further been improved.
As an embodiment of the present invention, a through groove 52 is provided on the outer wall of the ring block 5; the through groove 52 is communicated with the bottom of the pit 51, and the push block 53 is connected in the through groove 52 in a sliding way; one end of the push block 53 can extend into the pit 51 after moving, and the other end of the push block 53 extends to the outside of the through groove 52; the during operation, the staff need change the wave filter when, the staff only needs to press ejector pad 53, make ejector pad 53 slide along logical groove 52 under staff's promotion, thereby make ejector pad 53's the other end stretch into in the pit 51, make ejector pad 53 extrude the arch 41 in the corresponding pit 51, arch 41 receives to be squashed after the extrusion, make the pit 51 on the annular piece 5 not keep away from the other end of pin 3 under protruding 41's hindrance, and then improved the convenience of taking off the wire from pin 3.
As an embodiment of the present invention, the air hole 42 is provided inside the pressing strip 4; the air holes 42 are uniformly distributed in the pressing strip 4, one end of each air hole 42 is communicated with the end face, close to the pin 3, of the pressing strip 4, the other end of each air hole 42 extends into the corresponding protrusion 41, and the air holes 42 are filled with heat conduction materials such as diamond; during operation, the conductor circular telegram can produce the heat, because layering 4 and conductor contact, the heat of event conductor can be transmitted to on layering 4, the heat of conductor still transmits to the heat conduction material in the gas pocket 42 simultaneously on for arch 41 can take place the inflation after receiving the heat transfer of heat conduction material and layering 4, and then has improved the compactness of protruding 41 card in corresponding pit 51, makes the stability of conductor winding at pin 3 further obtain improving.
As an embodiment of the present invention, the distance between the two protrusions 41 on the bead 4 is greater than the width of the ring block 5; when the extrusion die works, the distance between the adjacent protrusions 41 on the same pressing strip 4 is limited, so that the adjacent protrusions 41 can not block the contact effect between the annular block 5 and the pressing strip 4 when one protrusion 41 is clamped in the concave pit 51, the extrusion stability of the annular block 5 on the pressing strip 4 is improved, and the practical application effect of the extrusion die is improved.
As an embodiment of the present invention, a corrugated sleeve 7 is sleeved around the pin 3; the spring 6, the annular block 5 and the pressing bar 4 are wrapped by the corrugated sleeve 7, one end of the corrugated sleeve 7 is fixedly connected to the outer wall of the box body 1, the other end of the corrugated sleeve 7 is positioned around the other end of the pressing bar 4, and the inner wall of the corrugated sleeve 7, which is close to the pressing bar 4, is fixedly connected with a U-shaped ring 71; the U-shaped rings 71 are wound with a ring rope 72; the ring rope 72 is connected with the other end of the pressing strip 4 through a rope 73; when the dustproof device works, the annular block 5 can extrude the other end of the pressing strip 4, so that the other end of the pressing strip 4 is close to the other end of the pin 3 under extrusion, the loop rope 72 can be pulled through the cord 73 in the moving process of the other end of the pressing strip 4, the other end of the corrugated sleeve 7 is tightened through the loop rope 72, the corrugated sleeve 7 wraps the contact position of the conductor and the pin 3, the dustproof purpose of the connection position of the pin 3 and the conductor is achieved, meanwhile, the dustproof device is convenient to detach, and the use effect of the dustproof device is improved.
The specific working process is as follows:
the worker firstly strips an insulating skin on a lead to expose a conductor, then pushes the annular block 5 to move close to the box body 1, meanwhile, the annular block 5 can extrude the spring 6, after the annular block 5 is far away from the other end of the pressing strip 4, the other end of the pressing strip 4 moves away from the other end of the pin 3 under the action of self elasticity, then the worker winds the conductor on the pin 3 and releases the annular block 5, so that the annular block 5 moves close to the other end of the pressing strip 4 under the action of the spring 6, the other end of the pressing strip 4 moves close to the other end of the pin 3 under the action of the annular block 5, the conductor is pressed on the pin 3 through the pressing strip 4, the effect of connecting the guide on the pin 3 is achieved, and the worker installs the filter connected with the lead in the sound box through the mounting plate 2; the filter can eliminate interference and noise in a power grid, so that power transmission of a power supply is smoother and more stable, and the tone quality of a sound system is fully ensured; the ring block 5 extrudes the pressing strip 4 under the action of the spring 6, the ring block 5 can drive the pit 51 to move while moving, so that the pit 51 moves to the periphery of the corresponding protrusion 41 under the drive of the ring block 5, the protrusion 41 is clamped in the pit 51 under the action of self elasticity, the locking effect on the ring block 5 is achieved, the situation that the conductor is loosened due to the return of the ring block 5 under the vibration is prevented, the connection stability of the pin 3 and the conductor of the filter is further improved, when a worker needs to replace the filter, the worker only needs to press the push block 53 to enable the push block 53 to slide along the through groove 52 under the push of the worker, so that the other end of the push block 53 extends into the pit 51, the push block 53 extrudes the protrusion 41 in the corresponding pit 51, the protrusion 41 is crushed after being extruded, and the pit 51 on the ring block 5 is not far away from the other end of the pin 3 under the obstruction of the protrusion 41, therefore, the convenience of taking the lead off the pin 3 is improved, the heat is generated when the conductor is electrified, the heat of the conductor is transferred to the pressing strip 4 due to the contact of the pressing strip 4 and the conductor, and simultaneously the heat of the conductor is also transferred to the heat conduction material in the air hole 42, so that the bulges 41 can expand after being transferred by the heat conduction material and the heat of the pressing strip 4, the tightness of the bulges 41 clamped in the corresponding pits 51 is further improved, the stability of the conductor wound on the pin 3 is further improved, the distance between the adjacent bulges 41 on the same pressing strip 4 is limited, so that the adjacent bulges 41 can not obstruct the contact effect between the annular block 5 and the pressing strip 4 in the process that one bulge 41 is clamped in the corresponding pit 51, the stability of the annular block 5 for extruding the pressing strip 4 is improved, the practical application effect of the invention is improved, the annular block 5 can extrude the other end of the pressing strip 4, therefore, the other end of the pressing strip 4 is close to the other end of the pin 3 under extrusion, the loop rope 72 is pulled through the cord 73 in the moving process of the other end of the pressing strip 4, the other end of the corrugated sleeve 7 is tightened through the loop rope 72, the corrugated sleeve 7 wraps the contact position of the conductor and the pin 3, the dustproof purpose of the connection position of the pin 3 and the conductor is achieved, meanwhile, the dismounting is facilitated, and the using effect of the dustproof connector is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A low-jitter filter comprises a circuit element, a box body (1), a mounting plate (2) and pins (3); the method is characterized in that: the pins (3) are arranged to be round bars, and pressing bars (4) are uniformly distributed around the pins (3); one end of the pressing strip (4) is fixedly connected to one end, close to the box body (1), of the pin (3), the other end of the pressing strip (4) is located at the other end of the pin (3), the pressing strip (4) is made of elastic materials, and the other end of the pressing strip (4) is far away from the other end of the pin (3) under the action of self elasticity; the periphery of the pressing strip (4) is sleeved with an annular block (5); the central axis of the annular block (5) is coaxial with the central axis of the pin (3); the other end of the pressing strip (4) can be in contact with the other end of the pin (3) under the extrusion of the annular block (5); a spring (6) is arranged between the annular block (5) and the box body (1); the pin (3) and the pressing strip (4) are surrounded by the spring (6), one end of the spring (6) is connected with the outer wall of the box body (1), and the other end of the spring is connected with the annular block (5).
2. A low jitter filter as defined in claim 1, wherein: a bulge (41) is arranged on the outer wall of the pressing strip (4) far away from the pin (3); the cross section of the bulge (41) is semicircular, and the bulge (41) is uniformly distributed on the outer wall of the pressing strip (4); a concave pit (51) is formed in the inner wall, close to the pin (3), of the annular block (5); the cross section of the concave pit (51) is consistent with that of the convex pit (41); the projection (41) can be locked in the recess (51) by the relative movement of the annular block (5).
3. A low jitter filter as defined in claim 2, wherein: a through groove (52) is formed in the outer wall of the annular block (5); the through groove (52) is communicated with the bottom of the pit (51), and the through groove (52) is connected with a push block (53) in a sliding way; one end of the push block (53) can extend into the concave pit (51) after moving, and the other end of the push block (53) extends to the outside of the through groove (52).
4. A low jitter filter as defined in claim 3, wherein: an air hole (42) is formed in the pressing strip (4); the air holes (42) are uniformly distributed in the pressing strip (4), one end of each air hole (42) is communicated with the end face, close to the pin (3), of the pressing strip (4), the other end of each air hole (42) extends to the inside of the corresponding protrusion (41), and the air holes (42) are filled with heat conduction materials.
5. A low jitter filter as defined in claim 4, wherein: the distance between the two bulges (41) on the pressing strip (4) is larger than the width of the annular block (5).
6. A low jitter filter as defined in claim 5, wherein: a corrugated sleeve (7) is sleeved around the pin (3); the spring (6), the annular block (5) and the pressing strip (4) are wrapped by the corrugated sleeve (7), one end of the corrugated sleeve (7) is fixedly connected to the outer wall of the box body (1), the other end of the corrugated sleeve is located around the other end of the pressing strip (4), and the other end of the pressing strip (4) is fixedly connected with a cord (73); the other end of the wire rope (73) is connected with the corrugated sleeve (7).
7. A low jitter filter as defined in claim 6, wherein: the inner wall of the corrugated sleeve (7) close to the batten (4) is fixedly connected with a U-shaped ring (71); the U-shaped rings (71) are wound with a looped rope (72) together; the other end of the cord (73) is fixedly connected with the looped rope (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110468321.4A CN113315481A (en) | 2021-04-28 | 2021-04-28 | Low-jitter filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110468321.4A CN113315481A (en) | 2021-04-28 | 2021-04-28 | Low-jitter filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113315481A true CN113315481A (en) | 2021-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110468321.4A Pending CN113315481A (en) | 2021-04-28 | 2021-04-28 | Low-jitter filter |
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Citations (10)
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|---|---|---|---|---|
| US3459906A (en) * | 1965-09-17 | 1969-08-05 | Amp Inc | Coaxial connector having switchable load means |
| US3500297A (en) * | 1966-11-29 | 1970-03-10 | Fernand Georges Bac | Electrical contact member |
| EP0454205A2 (en) * | 1990-04-23 | 1991-10-30 | CGE- COMPAGNIA GENERALE ELETTROMECCANICA S.p.A. | Connecting socket |
| RU2044376C1 (en) * | 1992-01-09 | 1995-09-20 | Александр Васильевич Медведев | Coaxial connector |
| US20020050874A1 (en) * | 2000-11-02 | 2002-05-02 | Murata Manufacturing Co., Ltd. | Composite dielectric filter device and communication apparatus incorporating the same |
| US20100015849A1 (en) * | 2007-03-29 | 2010-01-21 | Gigalane Co., Ltd. | Coaxial connecting device |
| CN202872005U (en) * | 2012-11-13 | 2013-04-10 | 四川省电力公司德阳电业局 | Energy-saving electrical connector |
| US20150288044A1 (en) * | 2012-11-15 | 2015-10-08 | Kathrein-Austria Ges.M.B.H. | High frequency filter having frequency stabilization |
| CN204993272U (en) * | 2015-08-21 | 2016-01-20 | 萨顿斯（上海）电源有限公司 | Power filter |
| CN210866190U (en) * | 2019-10-23 | 2020-06-26 | 安徽康弘电子科技有限公司 | Diode capable of rapidly replacing pin |
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2021
- 2021-04-28 CN CN202110468321.4A patent/CN113315481A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459906A (en) * | 1965-09-17 | 1969-08-05 | Amp Inc | Coaxial connector having switchable load means |
| US3500297A (en) * | 1966-11-29 | 1970-03-10 | Fernand Georges Bac | Electrical contact member |
| EP0454205A2 (en) * | 1990-04-23 | 1991-10-30 | CGE- COMPAGNIA GENERALE ELETTROMECCANICA S.p.A. | Connecting socket |
| RU2044376C1 (en) * | 1992-01-09 | 1995-09-20 | Александр Васильевич Медведев | Coaxial connector |
| US20020050874A1 (en) * | 2000-11-02 | 2002-05-02 | Murata Manufacturing Co., Ltd. | Composite dielectric filter device and communication apparatus incorporating the same |
| US20100015849A1 (en) * | 2007-03-29 | 2010-01-21 | Gigalane Co., Ltd. | Coaxial connecting device |
| CN202872005U (en) * | 2012-11-13 | 2013-04-10 | 四川省电力公司德阳电业局 | Energy-saving electrical connector |
| US20150288044A1 (en) * | 2012-11-15 | 2015-10-08 | Kathrein-Austria Ges.M.B.H. | High frequency filter having frequency stabilization |
| CN204993272U (en) * | 2015-08-21 | 2016-01-20 | 萨顿斯（上海）电源有限公司 | Power filter |
| CN210866190U (en) * | 2019-10-23 | 2020-06-26 | 安徽康弘电子科技有限公司 | Diode capable of rapidly replacing pin |
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| D. GALAYKO: "Electrostatical coupling-spring for micro-mechanical filtering applications", 《PROCEEDINGS OF THE 2003 INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, 2003. ISCAS \'03.》, pages 1 - 4 * |
| 徐文革: "速调管电视发射机的使用与维护", 《中国有线电视》, pages 759 - 760 * |
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