CN219778710U - Novel explosion-proof film capacitor - Google Patents

Abstract

The utility model discloses a novel explosion-proof film capacitor, which belongs to the technical field of electronic components and comprises an installation box, wherein the installation box comprises a box body, insulating liquid is arranged in the four sides of the box body, T-shaped sliding grooves are respectively arranged in the central positions of the bottoms of the front side and the rear side of the box body, a fixed sliding block is slidably arranged in each T-shaped sliding groove, a capacitor main body is arranged in each box body, and a pressing mechanism is arranged at the bottom of each capacitor main body at the inner bottom of each box body. This novel explosion-proof film capacitor, through setting up the mounting box, place the condenser main part inside the box body, move the bottom at the box body with hold-down mechanism through fixed slider in T type spout is inside, fix the condenser main part inside the box body, when the damage appears on the condenser surface, the electric arc that the condenser surface produced breaks up the box body, makes the insulating liquid flow out and waters on the condenser surface and eliminates electric arc, avoids electric arc to hit injury personnel, causes personnel's injury.

Description

Novel explosion-proof film capacitor

Technical Field

The utility model belongs to the technical field of electronic components, and particularly relates to a novel explosion-proof film capacitor.

Background

The thin film capacitor is also called a plastic thin film capacitor, and takes a plastic thin film as a dielectric. The thin film capacitor has many excellent characteristics, is a capacitor with excellent performance, is widely used in places such as cross connection of analog signals, bypass (reverse cross connection) of power supply noise and the like, and is easy to damage and cause explosion accidents due to long-time use or excessive use of the thin film capacitor.

The existing film capacitor is generally directly installed in a circuit, when the surface of the capacitor is damaged, electric arcs are generated on the surface of the capacitor, and people are easy to be injured by the film capacitor to damage electric appliances, so that improvement is needed.

Disclosure of Invention

In order to overcome the defects, the utility model provides a novel explosion-proof film capacitor, which solves the problems that the existing novel explosion-proof film capacitor is directly exposed to the outside, and the electric arc generated by the damage of the surface of the capacitor can hurt personnel, thereby causing personnel injury.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel explosion-proof film capacitor, includes the mounting box, the mounting box includes the box body, the inside of box body four sides is equipped with the insulating liquid, the central point of both sides bottom is equipped with T type spout respectively around the box body, the inside slidable mounting of T type spout has fixed slider, the inside of box body is equipped with the condenser main part, the bottom that the interior bottom of box body is located the condenser main part is equipped with hold-down mechanism.

As a further aspect of the utility model: the capacitor body comprises a capacitor shell, a top cover is fixedly arranged at the top of the capacitor shell, and two groups of terminals are fixedly arranged at two ends of the top cover.

As a further aspect of the utility model: two groups of core rods are fixedly arranged at the two ends of the bottom of the top cover, the terminals correspond to the core rods, a capacitance medium is arranged at the inner bottom of the capacitor shell, and the two groups of core rods are inserted into the capacitance medium.

As a further aspect of the utility model: the compressing mechanism comprises a bottom cover, two groups of fixed clamping blocks are fixedly arranged at the central positions of the two ends of the top of the bottom cover, and the fixed clamping blocks correspond to the fixed sliding blocks.

As a further aspect of the utility model: four groups of mounting holes are formed in four corners of the top of the bottom cover, a moving rod is slidably mounted in each mounting hole, and the bottom end of the moving rod is inserted into the bottom of the bottom cover.

As a further aspect of the utility model: the top fixed mounting that the movable rod is located the bottom inside has the limiting plate, the movable rod surface is located the limiting plate bottom cover has the spring, the top fixed mounting of movable rod has the pinch rolls.

Compared with the prior art, the utility model has the beneficial effects that:

1. this novel explosion-proof film capacitor, through setting up the mounting box, place the condenser main part inside the box body, move the bottom at the box body with hold-down mechanism through fixed slider in T type spout is inside, fix the condenser main part inside the box body, when the damage appears on the condenser surface, the electric arc that the condenser surface produced breaks up the box body, makes the insulating liquid flow out and waters on the condenser surface and eliminates electric arc, avoids electric arc to hit injury personnel, causes personnel's injury.

2. This novel explosion-proof film capacitor through setting up hold-down mechanism, places fixed establishment in the installation box bottom, moves the bottom at the box body with hold-down mechanism through fixed slider in T type spout is inside, makes the hold-down plate compress tightly the capacitor body and fixes inside the installation box under the cooperation of spring and limiting plate, ensures that the capacitor body can not break away from the installation box, makes things convenient for personnel to change the capacitor body simultaneously.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a sectional structure of a mounting case of the present utility model;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of a capacitor body according to the present utility model;

FIG. 4 is a schematic view of a three-dimensional cross-sectional structure of the hold-down mechanism of the present utility model;

in the figure: 1. a mounting box; 101. a case body; 102. an insulating liquid; 103. a T-shaped chute; 104. a fixed slide block; 2. a capacitor body; 201. a capacitor case; 202. a top cover; 203. a terminal; 204. a core rod; 205. a capacitive medium; 3. a compressing mechanism; 301. a bottom cover; 302. fixing the clamping block; 303. a mounting hole; 304. a moving rod; 305. a limiting plate; 306. a spring; 307. and a compacting plate.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a novel explosion-proof film capacitor, including mounting box 1, mounting box 1 includes box body 101, the inside of box body 101 four sides is equipped with insulating liquid 102, the central point of both sides bottom is equipped with T type spout 103 respectively around the box body 101, T type spout 103 inside slidable mounting has fixed slider 104, the inside of box body 101 is equipped with capacitor body 2, the bottom of the inside position of box body 101 capacitor body 2 is equipped with hold-down mechanism 3, when the electric arc that damages the production appears in capacitor body 2 breaks up box body 101, eliminate the electric arc on capacitor body 2 surface through insulating liquid 102, avoid electric arc to hit the injury personnel, cause personnel's injury, slide the hold-down mechanism 3 through fixed slider 104 in T type spout 103 inside and fix in the box body 101 bottom.

The capacitor body 2 comprises a capacitor shell 201, a top cover 202 is fixedly arranged at the top of the capacitor shell 201, two groups of terminals 203 are fixedly arranged at two ends of the top cover 202, the inside of the capacitor body 2 is isolated from the external environment through the top cover 202, and the inside of the capacitor body 2 is ensured not to be interfered by the external environment when in operation.

Two groups of core rods 204 are fixedly arranged at two ends of the bottom of the top cover 202, the terminals 203 correspond to the core rods 204, a capacitance medium 205 is arranged at the inner bottom of the capacitor shell 201, the two groups of core rods 204 are inserted into the capacitance medium 205, and current is led to the capacitance medium 205 through the terminals 203 and the core rods 204, so that the capacitor body 2 plays a role in a circuit.

The hold-down mechanism 3 includes bottom 301, and the central point department at the top both ends of bottom 301 puts fixed fixture block 302 of two sets of fixed fixture blocks, and fixed fixture block 302 is corresponding with fixed slider 104, fixes hold-down mechanism 3 in the bottom of mounting box 1 through the cooperation of fixed slider 104 and fixed fixture block 302, avoids hold-down mechanism 3 to break away from mounting box 1 and leads to capacitor body 2 to drop the damage.

Four sets of mounting holes 303 are formed in four corners of the top of the bottom cover 301, a moving rod 304 is slidably mounted in the mounting holes 303, and the bottom end of the moving rod 304 is inserted into the bottom of the bottom cover 301. The top that movable rod 304 is located the inside of bottom 301 is fixed mounting has limiting plate 305, and the surface of movable rod 304 is located limiting plate 305 bottom cover and is had spring 306, and the top fixed mounting of movable rod 304 has clamp plate 307, makes clamp plate 307 reciprocate through the cooperation of movable rod 304 and spring 306, thereby limiting plate 305 restriction movable rod 304's range of movement control clamp plate 307's range of movement.

The working principle of the utility model is as follows:

placing capacitor body 2 inside installation box 1, slide to blocking fixed fixture block 302 through fixed slider 104 in T type spout 103 is inside, fix hold-down mechanism 3 in box 101 bottom, avoid hold-down mechanism 3 to break away from installation box 1 and lead to capacitor body 2 to drop the damage, fix capacitor body 2 inside installation box 1 under the cooperation of movable rod 304 and spring 306, connect terminal 203 to the circuit, guide electric current to electric capacity medium 205 through terminal 203 and plug 204, make capacitor body 2 play the effect in the circuit, when the electric arc that damages the capacitor body 2 produced breaks down box 101, eliminate the electric arc on capacitor body 2 surface through insulating liquid 102, avoid electric arc to hit the personnel, cause personnel's injury.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims (6)

1. The utility model provides a novel explosion-proof film capacitor, includes mounting box (1), its characterized in that: the mounting box (1) comprises a box body (101), insulating liquid (102) is arranged in the four sides of the box body (101), T-shaped sliding grooves (103) are respectively formed in the central positions of the bottoms of the front side and the rear side of the box body (101), fixed sliding blocks (104) are slidably mounted in the T-shaped sliding grooves (103), a capacitor main body (2) is arranged in the box body (101), and a pressing mechanism (3) is arranged at the bottom of the capacitor main body (2) at the inner bottom of the box body (101).

2. A novel explosion-proof film capacitor as set forth in claim 1, wherein: the capacitor body (2) comprises a capacitor shell (201), a top cover (202) is fixedly arranged at the top of the capacitor shell (201), and two groups of terminals (203) are fixedly arranged at two ends of the top cover (202).

3. A novel explosion-proof film capacitor as set forth in claim 2, wherein: two groups of core rods (204) are fixedly arranged at two ends of the bottom of the top cover (202), the terminals (203) correspond to the core rods (204), a capacitance medium (205) is arranged at the inner bottom of the capacitor shell (201), and the two groups of core rods (204) are inserted into the capacitance medium (205).

4. A novel explosion-proof film capacitor as set forth in claim 1, wherein: the compressing mechanism (3) comprises a bottom cover (301), two groups of fixed clamping blocks (302) are fixedly arranged at the central positions of two ends of the top of the bottom cover (301), and the fixed clamping blocks (302) correspond to the fixed sliding blocks (104).

5. The novel explosion-proof film capacitor according to claim 4, wherein: four groups of mounting holes (303) are formed in four corners of the top of the bottom cover (301), a moving rod (304) is slidably mounted in the mounting holes (303), and the bottom end of the moving rod (304) is inserted into the bottom of the bottom cover (301).

6. The novel explosion-proof film capacitor according to claim 5, wherein: the top fixed mounting that movable rod (304) are located bottom (301) is inside has limiting plate (305), movable rod (304) surface is located limiting plate (305) bottom cover has spring (306), the top fixed mounting of movable rod (304) has pinch-off blades (307).