CN214898095U

CN214898095U - Three-phase harmonic capacitor

Info

Publication number: CN214898095U
Application number: CN202121042230.6U
Authority: CN
Inventors: 张建煌; 陈家才
Original assignee: Guangdong Rong Bang Electric Co ltd
Current assignee: Guangdong Rong Bang Electric Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2021-11-26
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a three-phase harmonic capacitor, which comprises an outer shell, an inner shell is fixedly connected inside the outer shell, heat radiation fins are fixedly connected outside the outer shell, one end of each heat radiation fin penetrates through the outer shell and the inner shell respectively, one end of each heat radiation fin penetrates through the inner shell, an insulating sleeve is detachably connected inside the inner shell, a first mounting hole, a second mounting hole and a third mounting hole are arranged on the upper end surface of the insulating sleeve, and a third capacitor core, a second capacitor core and a first capacitor core are detachably connected inside the first mounting hole, the second mounting hole and the third mounting hole respectively, the utility model discloses a capacitor, which is provided with a plurality of groups of heat radiation fins, can quickly radiate heat generated during the operation of the capacitor to the outside, thereby realizing the quick heat radiation of the capacitor, the capacitor is prevented from being damaged by high temperature due to untimely heat dissipation, and the service life of the capacitor is greatly prolonged.

Description

Three-phase harmonic capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a harmonic formula condenser is faced upward to three-phase.

Background

A capacitor is generally referred to as a capacitor in short for its ability to hold a charge, and a capacitor is a device that holds a charge. The capacitor is one of electronic elements which are used in a large number in electronic equipment, and is widely applied to the aspects of isolating direct current, alternating current, coupling, bypassing, filtering, tuning loops, energy conversion, control and the like in a circuit, any two conductors which are insulated from each other and are closely spaced form a capacitor, the power capacitor is mainly used for performing reactive compensation on a power frequency power system and improving the power factor of the power capacitor, the power capacitor is divided into a single-phase capacitor and a three-phase capacitor, the single-phase capacitor is used in a single-phase occasion, and the three-phase capacitor is used in a three-phase occasion.

However, three-phase harmonic low-voltage capacitor is in the use, and the capacitor core group can produce heat, and the resistance of discharge resistance is great in addition, and discharge resistance also can produce a large amount of heats at the operation in-process, and the built-in inside temperature rise that can increase the condenser of discharge resistance leads to the inside capacitor core group of condenser to age with higher speed, and the condenser is long-term under the environment of excess temperature the operation can influence the life of condenser. To this end, we propose a three-phase harmonic capacitor.

Disclosure of Invention

An object of the utility model is to provide a harmonic formula condenser is faced upward to three-phase to propose in solving above-mentioned background art that three-phase is faced upward harmonic formula low voltage capacitor in the use, the condenser core group can produce the heat, in addition the resistance of discharge resistance is great, discharge resistance also can produce a large amount of heats at the operation in-process, and the built-in inside temperature rise that can increase the condenser of discharge resistance leads to the inside condenser core group accelerated aging of condenser, the condenser is for a long time under the environment of excess temperature the operation can influence the life's of condenser problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a three-phase harmonic capacitor, includes the shell body, interior casing of the inside fixedly connected with of shell body, the outside fixedly connected with heat radiation fins of shell body, heat radiation fins's one end runs through shell body and interior casing and heat radiation fins's one end respectively and runs through to the inside of interior casing, the inside detachable connection of interior casing has the insulating cover, first mounting hole, second mounting hole and third mounting hole have been seted up to the up end of insulating cover, the inside detachable connection of first mounting hole, second mounting hole and third mounting hole has No. three electric capacity cores, No. two electric capacity cores and an electric capacity core respectively, the up end detachable connection of shell body has the cap, the up end of cap is provided with first terminal, second terminal and third terminal respectively, under first terminal, second terminal and the third terminal the terminal respectively with No. two electric capacity cores, A capacitor core and a third capacitor core are fixedly connected, a first partition plate is arranged between the first binding post and the second binding post, and a second partition plate is arranged between the second binding post and the third binding post.

Preferably, the first partition plate and the second partition plate are made of insulating materials and are fixedly connected to the upper end face of the shell cover.

Preferably, the number of the radiating fins is provided with a plurality of groups.

Preferably, the outer side surface of the insulating sleeve is provided with a plurality of groups of heat dissipation holes, and the heat dissipation holes are respectively communicated with the first mounting hole, the second mounting hole and the third mounting hole.

Preferably, three sets of through holes are formed in the upper end face of the shell cover.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a be provided with multiunit heat radiation fins, multiunit heat radiation fins can give off the heat that the condenser during operation produced to the external world fast to this realizes dispelling the heat fast to the condenser, avoids the condenser to lead to it to receive high temperature damage often because of the heat dissipation is not in time, great extension the life of condenser.

2. The utility model discloses a be provided with shell body and interior casing, make its use of mutually supporting, great reinforcing capacitor case's intensity, fine reduction the danger that the condenser bursts.

3. The utility model discloses a be provided with first baffle and second baffle, two sets of baffles make three group's terminals of condenser avoid taking place to establish ties when the wiring, have improved the safety in utilization of condenser.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the outer housing, the inner housing and the heat dissipation fins of the present invention.

Fig. 3 is a schematic view of the overlooking structure of the insulating sleeve of the present invention.

In the figure: 1. an outer housing; 2. an inner housing; 3. a first capacitor core; 4. an insulating sleeve; 5. a second capacitor core; 6. a first terminal post; 7. a first separator; 8. a second terminal; 9. a second separator; 10. a third terminal; 11. heat dissipation fins; 12. a third capacitor core; 13. a first mounting hole; 14. a second mounting hole; 15. a third mounting hole; 16. and a shell cover.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a three-phase harmonic capacitor comprises an outer shell 1, wherein an inner shell 2 is fixedly connected inside the outer shell 1, a heat radiation fin 11 is fixedly connected outside the outer shell 1, one end of the heat radiation fin 11 penetrates through the outer shell 1 and the inner shell 2 respectively, one end of the heat radiation fin 11 penetrates through the inner shell 2, an insulating sleeve 4 is detachably connected inside the inner shell 2, a first mounting hole 13, a second mounting hole 14 and a third mounting hole 15 are formed in the upper end face of the insulating sleeve 4, a third capacitor core 12, a second capacitor core 5 and a first capacitor core 3 are detachably connected inside the first mounting hole 13, the second mounting hole 14 and the third mounting hole 15 respectively, a shell cover 16 is detachably connected to the upper end face of the outer shell 1, and a first binding post 6, a second binding post 8 and a third binding post 10 are arranged on the upper end face of the shell cover 16 respectively, the lower end faces of the first binding post 6, the second binding post 8 and the third binding post 10 are respectively fixedly connected with the second capacitor core 5, the first capacitor core 3 and the third capacitor core 12, a first partition plate 7 is arranged between the first binding post 6 and the second binding post 8, and a second partition plate 9 is arranged between the second binding post 8 and the third binding post 10.

First baffle 7 and second baffle 9 are insulating material and make and the equal fixed connection of first baffle 7 and second baffle 9 at the up end of cap 16, avoid the condenser to take place the series short circuit when working a telephone switchboard, heat radiation fins 11's quantity is provided with the multiunit, has improved the radiating effect, multiunit louvre has been seted up on the outside surface of insulating cover 4, the louvre communicates with first mounting hole 13, second mounting hole 14 and third mounting hole 15 respectively for discharge that inside heat can be quick, three groups of through-holes have been seted up to the up end of cap 16, are convenient for fixed to the installation of first terminal 6, second terminal 8 and third terminal 10.

It is specific, in the use, through being provided with multiunit heat radiation fins 11, multiunit heat radiation fins 11 can give off the heat that the condenser during operation produced to the external world fast, with this realization dispel the heat fast to the condenser, avoid the condenser to lead to it to receive high temperature damage because of the heat dissipation untimely often, great extension the life of condenser, through being provided with shell body 1 and interior casing 2, make its use of mutually supporting, great reinforcing the intensity of condenser shell, fine reduction the danger that the condenser bursts, through being provided with first baffle 7 and second baffle 9, two sets of baffles make three group's terminals of condenser avoid taking place the series short circuit when the wiring, the safety in utilization of condenser has been improved.

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

1. The utility model provides a three-phase pitch-up formula condenser, includes shell body (1), its characterized in that: the inner shell (2) is fixedly connected to the inner part of the outer shell (1), the outer side of the outer shell (1) is fixedly connected with a radiating fin (11), one end of the radiating fin (11) penetrates through the outer shell (1) and the inner shell (2) respectively, one end of the radiating fin (11) penetrates through the inner part of the inner shell (2), an insulating sleeve (4) is detachably connected to the inner part of the inner shell (2), a first mounting hole (13), a second mounting hole (14) and a third mounting hole (15) are formed in the upper end face of the insulating sleeve (4), a third capacitor core (12), a second capacitor core (5) and a first capacitor core (3) are detachably connected to the inner parts of the first mounting hole (13), the second mounting hole (14) and the third mounting hole (15) respectively, and a shell cover (16) is detachably connected to the upper end face of the outer shell (1), the capacitor shell is characterized in that a first binding post (6), a second binding post (8) and a third binding post (10) are respectively arranged on the upper end face of the shell cover (16), the lower end faces of the first binding post (6), the second binding post (8) and the third binding post (10) are respectively fixedly connected with a second capacitor core (5), a first capacitor core (3) and a third capacitor core (12), a first partition plate (7) is arranged between the first binding post (6) and the second binding post (8), and a second partition plate (9) is arranged between the second binding post (8) and the third binding post (10).

2. A three-phase harmonic capacitor according to claim 1, wherein: the first partition plate (7) and the second partition plate (9) are made of insulating materials, and the first partition plate (7) and the second partition plate (9) are fixedly connected to the upper end face of the shell cover (16).

3. A three-phase harmonic capacitor according to claim 1, wherein: the number of the radiating fins (11) is provided with a plurality of groups.

4. A three-phase harmonic capacitor according to claim 1, wherein: the outer side surface of the insulating sleeve (4) is provided with a plurality of groups of radiating holes, and the radiating holes are communicated with the first mounting hole (13), the second mounting hole (14) and the third mounting hole (15) respectively.

5. A three-phase harmonic capacitor according to claim 1, wherein: three groups of through holes are formed in the upper end face of the shell cover (16).