CN210837483U

CN210837483U - Low-noise anti-interference capacitor

Info

Publication number: CN210837483U
Application number: CN201921623174.8U
Authority: CN
Inventors: 刘玲
Original assignee: Wuxi Lingpu Electronic Technology Co ltd
Current assignee: Wuxi Lingpu Electronic Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-23
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a low-noise anti-interference capacitor, including electric capacity core, upper noise reduction subassembly and lower noise reduction subassembly, electric capacity core outer wall embedment has the interior insulating layer that epoxy made, the outside parcel of interior insulating layer installs the noise-absorbing layer, the outside cover of noise-absorbing layer is equipped with outer metal shielding net, the top fixed mounting of noise-absorbing layer has upper noise reduction subassembly, the bottom fixed mounting of noise-absorbing layer has lower noise reduction subassembly, the outside parcel of outer metal shielding net is installed outer heat-shrinkable tube jacket layer; the utility model discloses simple structure, the noise reduction is inhaled to electric capacity core whole to the sound absorption layer, goes up noise reduction subassembly and noise reduction subassembly pertinence down and inhale the sound noise reduction to its upper end and bottom shock attenuation, realizes that the condenser low noise uses, and outer metal shielding net can reach the protection to outer metal shielding net to electric capacity core electromagnetic shield reinforcing condenser anti-electromagnetic interference ability, outer heat shrink tube jacket layer, guarantees the anti-interference life of metal shielding, and the practicality is stronger.

Description

Low-noise anti-interference capacitor

Technical Field

The utility model relates to a condenser, in particular to anti-interference condenser of low noise belongs to condenser technical field.

Background

With the change of electronic information technology, the update speed of digital electronic products is faster and faster, capacitors are more and more emphasized as elements for storing electric quantity and electric energy (potential energy), one conductor is surrounded by another conductor, or electric field lines emitted by one conductor are all stopped at a conductor system of another conductor, which is called as a capacitor, two conductors which are close to each other are clamped with a layer of non-conductive insulating medium, so that the capacitor is formed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome the condenser of the perpendicular installation of prior art and shake from top to bottom and not only influence the life of condenser, and the noise that produces, the condenser receives outside electromagnetic interference simultaneously, influences the defect of stability in use, provides a low noise anti-interference condenser.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an anti-interference condenser of low noise, including electric capacity core, last noise reduction subassembly and lower noise reduction subassembly, electric capacity core outer wall embedment has the interior insulating layer that epoxy made, the sound absorbing layer is installed in the outside parcel of interior insulating layer, the outside cover on sound absorbing layer is equipped with outer metallic shield net, the top fixed mounting on sound absorbing layer has last noise reduction subassembly, the bottom fixed mounting on sound absorbing layer has lower noise reduction subassembly, outer heat-shrinkable tube jacket layer is installed in the outside parcel of outer metallic shield net, two leads of top fixedly connected with of electric capacity core, the one end that the electric capacity core was kept away from to the lead wire passes outer metallic shield net and sets up.

As a preferred technical scheme of the utility model, go up noise reduction subassembly and noise reduction subassembly down and constitute by shock attenuation board, sound absorption groove, inhale the sound micropore board and inhale the sound cotton, the sound absorption groove has been seted up to one side that the shock attenuation board is close to the electric capacity core, one side fixed mounting that the inside in sound absorption groove is close to the electric capacity core has the sound micropore board of inhaling, inhale the sound inslot intussuseption between sound micropore board and the shock attenuation board and fill and have the sound cotton of inhaling.

As an optimal technical scheme of the utility model, inhale the sound micropore board and adopt the wave structure setting.

As a preferred technical scheme of the utility model, the upper end of outer metallic shield net sets up with the same height in top of last noise reduction subassembly, just the bottom of outer metallic shield net sets up with the same height in bottom of noise reduction subassembly down.

As an optimal technical scheme of the utility model, the shock attenuation board adopts insulating rubber material to make, outer metallic shield net adopts the copper wire to weave and forms.

The utility model discloses the beneficial effect who reaches is:

1. this anti-interference condenser of low noise, simple structure, convenient to use, through the noise absorbing layer of installation on the electric capacity core, go up noise reduction subassembly and noise reduction subassembly down, the noise absorbing layer is whole to the electric capacity core and is inhaled the sound noise reduction, and the shock attenuation board on the noise reduction subassembly can the shock attenuation buffering, inhales the sound micropore board and inhales the sound that the sound cotton can be fine, goes up noise reduction subassembly and noise reduction subassembly pertinence and inhales the sound to its upper end and bottom shock attenuation and fall noise to realize that the condenser low noise uses.

2. This anti-interference condenser of low noise, through the internal insulation layer and the outer metallic shield net of installation on the electric capacity core, the internal insulation layer is to electric capacity core insulation protection, outer metallic shield net is mainly to shielding the electromagnetism to the parcel of electric capacity core, in order to reach the purpose of reinforcing condenser anti-electromagnetic interference ability, guarantee that the condenser does not receive the influence of magnetic field on every side, the outer pyrocondensation pipe jacket layer of the outside parcel of metallic shield net outside simultaneously, can reach the protection to outer metallic shield net, thereby guarantee the anti-interference life of metallic shield, the practicality is stronger.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a structural sectional view of the present invention;

fig. 3 is a schematic structural view of the upper noise reduction assembly and the lower noise reduction assembly of the present invention.

In the figure: 1. a capacitor core; 2. an inner insulating layer; 3. a sound absorbing layer; 4. an upper noise reduction assembly; 5. a lower noise reduction assembly; 6. an outer metal shielding mesh; 7. an outer heat shrink tubing jacket layer; 8. a lead wire; 9. a damper plate; 10. a sound absorbing groove; 11. a sound-absorbing microporous plate; 12. and (5) sound absorption cotton.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, a low-noise anti-interference capacitor includes a capacitor core 1, an upper noise reduction assembly 4 and a lower noise reduction assembly 5, an inner insulating layer 2 made of epoxy resin is encapsulated on the outer wall of the capacitor core 1, a sound absorption layer 3 is wrapped on the outer side of the inner insulating layer 2, an outer metal shielding net 6 is sleeved on the outer side of the sound absorption layer 3, the upper noise reduction assembly 4 is fixedly mounted on the top of the sound absorption layer 3, the lower noise reduction assembly 5 is fixedly mounted on the bottom of the sound absorption layer 3, an outer heat shrinkage pipe sleeve layer 7 is wrapped on the outer side of the outer metal shielding net 6, two leads 8 are fixedly connected to the top of the capacitor core 1, and one end of each lead 8, which is far away from the capacitor core 1, penetrates through the outer metal shielding net 6.

The upper noise reduction component 4 and the lower noise reduction component 5 are respectively composed of a damping plate 9, a sound absorption groove 10, a sound absorption micropore plate 11 and sound absorption cotton 12, the sound absorption groove 10 is arranged on one side of the damping plate 9 close to the capacitor core 1, the sound absorption micropore plate 11 is fixedly arranged on one side of the inside of the sound absorption groove 10 close to the capacitor core 1, the upper noise reduction component 4 and the lower noise reduction component 5 can absorb and reduce the vibration and noise of the upper end and the lower end of the capacitor, the vibration and noise can be vertically installed for the capacitor, the effect is better, the sound absorption cotton 12 is filled in the sound absorption groove 10 between the sound absorption micropore plate 11 and the damping plate 9, the sound absorption micropore plate 11 adopts a wave-shaped structure, the sound absorption area of the sound absorption micropore plate 11 is increased, the upper end of the outer metal shielding net 6 is arranged at the same height as the top of the upper noise reduction component 4, and the bottom, the anti-interference comprehensiveness of shielding is guaranteed, the damping plate 9 is made of an insulating rubber material and has insulating and damping properties, the outer metal shielding net 6 is formed by weaving copper wires, and the cost performance is high.

The working principle is as follows: when in use, firstly, the outer wall of the capacitor core body 1 is encapsulated with epoxy resin to form a wrapped inner insulating layer 2, the outer side of the inner insulating layer 2 is wrapped and installed with a sound absorption layer 3, an upper noise reduction component 4 is fixedly installed at the top of the sound absorption layer 3, a lower noise reduction component 5 is fixedly installed at the bottom of the sound absorption layer 3, an outer metal shielding net 6 woven by copper wires is sleeved on the outer wall of the sound absorption layer 3, the upper end of the outer metal shielding net 6 is arranged at the same height as the top of the upper noise reduction component 4, the bottom end of the outer metal shielding net 6 is arranged at the same height as the bottom of the lower noise reduction component 5, finally, the whole body is wrapped and sealed by an outer heat shrink pipe sleeve layer 7, a lead 8 on the capacitor core body 1 penetrates out of the outer heat shrink pipe sleeve layer 7, the wrapping of the outer metal shielding net 6 on the capacitor core body 1 mainly shields electromagnetism, so as to achieve the, guarantee that the condenser does not receive the influence of magnetic field on every side, the outer pyrocondensation pipe jacket layer 7 of outside parcel of metal shielding net 6 outside simultaneously, can reach the protection to outer metal shielding net 6, thereby guarantee the anti-interference life of metal shielding, noise reduction is inhaled to electric capacity core 1 whole to noise absorbing layer 3, because last noise reduction subassembly 4 and noise reduction subassembly 5 down are by damper plate 9, inhale sound groove 10, inhale sound micropore board 11 and inhale the sound cotton 12 and constitute, damper plate 9 can the shock attenuation buffering, inhale the sound micropore board 11 and inhale the sound that sound cotton 12 can be fine, go up noise reduction subassembly 4 and noise reduction subassembly 5 pertinence to its upper end and bottom shock attenuation sound absorption noise reduction, thereby realize the condenser low noise use, the practicality is stronger.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-noise anti-interference capacitor is characterized in that: including electric capacity core (1), go up noise reduction subassembly (4) and lower noise reduction subassembly (5), electric capacity core (1) outer wall embedment has interior insulating layer (2) that epoxy made, the outside parcel of interior insulating layer (2) installs noise-absorbing layer (3), the outside cover of noise-absorbing layer (3) is equipped with outer metallic shield net (6), noise reduction subassembly (4) are gone up to the top fixed mounting of noise-absorbing layer (3), noise reduction subassembly (5) down are installed to the bottom fixed mounting of noise-absorbing layer (3), outer heat-shrink tube jacket layer (7) are installed to the outside parcel of outer metallic shield net (6), two lead wires (8) of top fixedly connected with of electric capacity core (1), outer metallic shield net (6) setting is passed to the one end that electric capacity core (1) was kept away from in lead wire (8).

2. A low noise and interference tolerant capacitor according to claim 1, wherein: go up noise reduction subassembly (4) and lower noise reduction subassembly (5) and constitute by damper plate (9), sound groove (10), inhale sound micropore board (11) and inhale sound cotton (12), one side that damper plate (9) are close to electric capacity core (1) has seted up sound groove (10), one side fixed mounting that the inside of sound groove (10) is close to electric capacity core (1) has sound micropore board (11), inhale sound groove (10) intussuseption between sound micropore board (11) and damper plate (9) and be filled with and inhale sound cotton (12).

3. A low noise and interference tolerant capacitor according to claim 2, wherein: the sound-absorbing microporous plate (11) is arranged in a wave-shaped structure.

4. A low noise and interference tolerant capacitor according to claim 1, wherein: the upper end of the outer metal shielding net (6) and the top of the upper noise reduction assembly (4) are arranged at the same height, and the bottom end of the outer metal shielding net (6) and the bottom of the lower noise reduction assembly (5) are arranged at the same height.

5. A low noise and interference tolerant capacitor according to claim 2, wherein: the damping plate (9) is made of an insulating rubber material, and the outer metal shielding net (6) is formed by weaving copper wires.