CN215644123U

CN215644123U - Film capacitor with strong anti-interference performance

Info

Publication number: CN215644123U
Application number: CN202122021987.3U
Authority: CN
Inventors: 陈锋
Original assignee: Nantong Cheng Sheng Electronic Industries Co ltd
Current assignee: Nantong Cheng Sheng Electronic Industries Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-25
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to the technical field of capacitors, in particular to a film capacitor with strong anti-interference performance, which comprises a capacitor body, a shielding cover shell, a flame-retardant plastic shell, pins, a radiator and a shock absorption protection assembly, wherein the bottom of the capacitor body is respectively and fixedly connected with the pins and the radiator, the radiator is positioned between the pins, the capacitor body is electrically connected with the pins, the shielding cover shell is covered on the capacitor body, the flame-retardant plastic shell is covered on the shielding cover shell, the top of the flame-retardant plastic shell is provided with a mounting opening, and the shock absorption protection assembly is mounted at the mounting opening. The thin film capacitor with strong anti-interference performance has strong heat dissipation capability and is flame-retardant and fireproof.

Description

Film capacitor with strong anti-interference performance

Technical Field

The utility model relates to the technical field of capacitors, in particular to a film capacitor with strong anti-interference performance.

Background

The capacitor is very diverse depending on the dielectric, for example: electrolyte capacitors, paper capacitors, thin film capacitors, ceramic capacitors, mica capacitors, air capacitors, and the like. But are most frequently used in audio equipment, as are electrolytic capacitors and Film (Film) capacitors. Electrolytic capacitors are often used in places where a large capacitance is required, such as filter capacitors in the main power supply section, which also serve to store electric energy in addition to filtering. The thin film capacitor is widely used in the place of the cross connection of analog signals, the bypass of power supply noise (anti-cross connection), and the like. A tin foil film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate from both ends thereof, and then wound into a cylindrical shape. The plastic film is also called a poly (ethyl ester) capacitor (also called a Mylar) capacitor, a polypropylene capacitor (also called a PP capacitor), a polystyrene capacitor (also called a PS capacitor) and a polycarbonate capacitor, respectively, depending on the type of the plastic film. The film capacitor used at present has insufficient anti-interference capability and weak protective capability.

Disclosure of Invention

The utility model aims to provide a film capacitor with strong anti-interference performance, which has strong heat dissipation capability, flame retardance and fire resistance.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a strong film capacitor of interference immunity, its includes capacitor body, shielding cover shell, fire-retardant mould shell, pin, radiator and shock attenuation protection component, capacitor body's bottom respectively with pin and radiator fixed connection, the radiator is located between the pin, capacitor body and pin electricity are connected, the capacitor body is located to the shielding cover shell cover, fire-retardant mould shell cover is located the shielding cover shell, the installing port has been seted up at the top of fire-retardant mould shell, shock attenuation protection component installs in installing port department.

Furthermore, a nameplate is embedded on the front end surface of the flame-retardant plastic shell.

Furthermore, a pin protective shell is installed at the bottom of the capacitor body, and the pin is sleeved with the pin protective shell.

Further, the shock attenuation protection subassembly includes bumper shock absorber and guard plate, the bottom of bumper shock absorber and the top fixed connection of fire-retardant mould shell, the top and the guard plate fixed connection of bumper shock absorber.

Further, the bumper shock absorber includes mount pad, elasticity post, spring and mount pad down, the top and the last mount pad fixed connection of elasticity post, the bottom and the lower mount pad fixed connection of elasticity post, the spring is around locating the elasticity post and being located the mount pad and down between the mount pad.

The utility model has the beneficial effects that: during the in-service use, the pin is used for welding capacitor body to the circuit board, and the shielding housing is used for shielding external disturbance to capacitor body, and fire-retardant mould shell is used for protecting capacitor body, can fire-retardant fire prevention simultaneously, and the radiator is used for dispelling the heat to capacitor body, and the shock attenuation protection subassembly is used for providing the shock attenuation protection to this device, can effectively provide protecting against shock ability. The thin film capacitor with strong anti-interference performance has strong heat dissipation capability and is flame-retardant and fireproof.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

fig. 3 is a schematic structural view of the shock absorber of the present invention.

Description of reference numerals: the capacitor comprises a capacitor body 1, a shielding case 2, a flame-retardant plastic shell 3, a nameplate 31, pins 4, pin protecting shells 41, a radiator 5, a shock absorption protecting assembly 6, a shock absorber 61, an upper mounting seat 611, an elastic column 612, a spring 613, a lower mounting seat 614 and a protecting plate 62.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 and 2, the thin film capacitor with strong anti-interference performance provided by the utility model comprises a capacitor body 1, a shielding case 2, a flame-retardant plastic case 3, pins 4, a radiator 5 and a shock absorption protection component 6, wherein the bottom of the capacitor body 1 is respectively and fixedly connected with the pins 4 and the radiator 5, the radiator 5 is positioned between the pins 4, the capacitor body 1 is electrically connected with the pins 4, the shielding case 2 is covered on the capacitor body 1, the flame-retardant plastic case 3 is covered on the shielding case 2, the top of the flame-retardant plastic case 3 is provided with a mounting opening, and the shock absorption protection component 6 is mounted at the mounting opening.

During the in-service use, pin 4 is used for welding condenser body 1 to the circuit board on, and shielding housing 2 is used for shielding external disturbance to condenser body 1, and fire-retardant mould shell 3 is used for protecting condenser body 1, can fire-retardant fire prevention simultaneously, and radiator 5 is used for dispelling the heat to condenser body 1, and shock attenuation protective assembly 6 is used for providing the shock attenuation protection to this device, can effectively provide the protecting against shock ability.

The thin film capacitor with strong anti-interference performance has strong heat dissipation capability and is flame-retardant and fireproof.

As shown in fig. 1, in the present embodiment, a nameplate 31 is embedded on the front end surface of the flame-retardant plastic housing 3. In actual use, the name plate 31 is used for displaying the model of the capacitor body 1.

As shown in fig. 2, in the embodiment, a pin protection shell 41 is installed at the bottom of the capacitor body 1, and the pin protection shell 41 is sleeved on the pin 4. In actual use, the pin shield 41 is used to protect the pins 4.

As shown in fig. 1, in the present embodiment, the shock absorbing and protecting assembly 6 includes a shock absorber 61 and a protection plate 62, a bottom of the shock absorber 61 is fixedly connected to a top of the flame retardant plastic housing 3, and a top of the shock absorber 61 is fixedly connected to the protection plate 62. In actual use, the shock absorber 61 is used for buffering, absorbing energy and absorbing shock, and the protection plate 62 is used for protecting the capacitor body 1.

In the embodiment, as shown in fig. 3, the shock absorber 61 includes an upper mounting seat 611, a resilient column 612, a spring 613 and a lower mounting seat 614, wherein the top of the resilient column 612 is fixedly connected with the upper mounting seat 611, the bottom of the resilient column 612 is fixedly connected with the lower mounting seat 614, and the spring 613 is wound around the resilient column 612 and located between the upper mounting seat 611 and the lower mounting seat 614. In actual use, the upper mounting seat 611 and the lower mounting seat 614 are used for fixing and mounting the elastic column 612 and the spring 613, and the elastic column 612 and the spring 613 are both used for buffering and absorbing energy through elastic deformation of the elastic column 612 and the spring 613.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and other implementations are also included, and any obvious substitutions are within the scope of the present invention without departing from the spirit of the present invention.

Claims

1. A film capacitor with strong anti-interference performance is characterized in that: including capacitor body, shielding housing, fire-retardant mould shell, pin, radiator and shock attenuation protection component, capacitor body's bottom respectively with pin and radiator fixed connection, the radiator is located between the pin, and capacitor body and pin electricity are connected, and the capacitor body is located to the shielding housing cover, and fire-retardant mould shell cover is located the shielding housing, and the installing port has been seted up at the top of fire-retardant mould shell, and shock attenuation protection component installs in installing port department.

2. A high interference immunity film capacitor as set forth in claim 1, wherein: and a nameplate is embedded on the front end surface of the flame-retardant plastic shell.

3. A high interference immunity film capacitor as set forth in claim 1, wherein: the bottom of the capacitor body is provided with a pin protective shell, and the pin is sleeved with the pin protective shell.

4. A high interference immunity film capacitor as set forth in claim 1, wherein: the shock attenuation protection component comprises a shock absorber and a protection plate, the bottom of the shock absorber is fixedly connected with the top of the flame-retardant plastic shell, and the top of the shock absorber is fixedly connected with the protection plate.

5. The strong interference immunity film capacitor as claimed in claim 4, wherein: the bumper shock absorber includes mount pad, elasticity post, spring and mount pad down, the top and the last mount pad fixed connection of elasticity post, the bottom and the lower mount pad fixed connection of elasticity post, the spring is around locating the elasticity post and being located the mount pad and down between the mount pad.