CN211045267U

CN211045267U - Dry-type high-voltage capacitor

Info

Publication number: CN211045267U
Application number: CN202020140186.1U
Authority: CN
Inventors: 王琰
Original assignee: Shaanxi Hengyi Pressure Sensitive Electronic Technology Co ltd
Current assignee: Shaanxi huaweixin venture Electronics Co.,Ltd.
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-07-17
Anticipated expiration: 2030-01-22

Abstract

The utility model discloses a dry-type high voltage capacitor, including the condenser main part, the top of condenser main part is equipped with connects the electric subassembly, connect the top of electric subassembly electric connection in proper order from the front to the back and insert the spring terminal, the right side rigid coupling of inserting the spring terminal has the wire, the wire links to each other with inserting spring terminal electrical property, the outside of connecting the electric subassembly is equipped with the protection casing. Compared with the prior art, the dry high-voltage capacitor has the following advantages: through the cooperation between condenser main part, wiring subassembly, plug spring terminal, wire and the protection casing, run through the wire guard shield and make plug spring terminal and wiring subassembly carry out electric connection, then use the bolt to install between second square ring and the first square ring, the housing can protect the electric component junction, and the in-process wiring department of permanent use is difficult for being adhered to by the dust to ensure that the circuit is permanent smooth and easy, does benefit to the permanent use of condenser.

Description

Dry-type high-voltage capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a dry-type high voltage capacitor.

Background

The capacitor is an element 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 the other conductor, the capacitor is called as a capacitor, when voltage is applied between two polar plates of the capacitor, the capacitor can store electric charge, the capacitance of the capacitor is equal to the ratio of the electric charge quantity on one conductive polar plate to the voltage between the two polar plates in value, but a protective cover shell is lacked at a terminal at the top end of the existing dry high-voltage capacitor, the terminal is directly in a naked state, the terminal at the top end of the existing dry high-voltage capacitor is easy to be adhered by dust for a long time, the unsmooth condition of a circuit is easy to occur, and the long-term use of.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dry-type high voltage capacitor to the current terminal of the dry-type high voltage capacitor top that proposes in solving above-mentioned background art department lacks the protection housing, and the wiring department directly is in comparatively naked state, and dry-type high voltage capacitor top wiring department is easily adhered to by the dust in the past for a long time, and the difficult smooth and easy condition of circuit appears easily appearing, is unfavorable for dry-type high voltage capacitor's permanent use problem.

In order to achieve the above object, the utility model provides a following technical scheme: a dry-type high-voltage capacitor comprises a capacitor main body, wherein an electric connection assembly is arranged at the top end of the capacitor main body, the top end of the electric connection assembly is electrically connected with a plug spring terminal from front to back in sequence, a lead is fixedly connected to the right side of the plug spring terminal and is electrically connected with the plug spring terminal, and a protective cover is arranged on the outer side of the electric connection assembly;

the protective cover comprises a first square ring, a second square ring, a rubber ring, a bolt and a cover shell;

the utility model discloses a capacitor, including first square ring, lower surface and the upper surface of condenser main part, first square ring is located the outside that connects the electric subassembly, the lower surface of first square ring links to each other with the last fixed surface of condenser main part, the top of first square ring is equipped with the second square ring, the lower surface rigid coupling of second square ring has the rubber ring, the lower surface of rubber ring offsets tightly with the upper surface of first square ring, the bolt has all been inserted in the upper surface four corners of second square ring, the bolt runs through second square ring and rubber ring in proper order and links to each other with first square ring screw thread, the rigid coupling all around of the upper surface inboard of second square ring has the housing, the housing is run through to one.

Preferably, a label is adhered to a front surface of the capacitor body.

Preferably, the left side and the right side of the lower surface of the capacitor main body are fixedly connected with bases.

Preferably, the housing is connected with the lead through the end-capping barrel;

the end-sealing cylinder comprises a conical cylinder, a lantern ring, a screw cap, a rubber ring and an inner cone nut;

the utility model discloses a wire, including toper drum, the outer wall of toper drum cup joint at the wire, the inner wall of toper drum and the outer wall clearance fit of wire, the outer wall of toper drum and the contact surface clearance fit of housing, the fixed lantern ring that has cup jointed in the outer wall center right side of toper drum, the left surface of the lantern ring offsets tightly with the right surface of housing, the outer wall left side threaded connection of toper drum has the nut, the right surface of nut offsets tightly with the inner wall of housing, the inner wall right side rigid coupling of toper drum has the rubber circle, the inner wall of rubber circle offsets tightly with the outer wall of wire, the outer wall right side screw thread of toper drum links to each other there is interior cone nut.

Preferably, the left surface of the lantern ring is fixedly connected with a sealing ring, and the sealing ring is abutted against the right surface of the housing.

Preferably, the inner wall of the inner cone nut has the same right slope as the outer wall of the conical cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the dry high-voltage capacitor has the following advantages:

through the cooperation between condenser main part, wiring subassembly, plug spring terminal, wire and the protection casing, run through the wire guard shield and make plug spring terminal and wiring subassembly carry out electric connection, then use the bolt to install between second square ring and the first square ring, the housing can protect the electric component junction, and the in-process wiring department of permanent use is difficult for being adhered to by the dust to ensure that the circuit is permanent smooth and easy, does benefit to the permanent use of condenser.

Through the housing, the cooperation between wire and the end-capping cylinder, make the wire run through the housing through the toper drum, then carry out threaded connection on the outer wall right side with interior taper nut and toper drum, can make the outer wall of rubber circle and wire offset tightly, and then can prevent outside air impurity, enter into the housing through wire and housing gap inside, can make the dustproof function of protection casing promote, further promote the stability of condenser use.

Through the cooperation between capacitor body and the base, the installation of capacitor body of can being convenient for, the operation is comparatively simple convenient.

Drawings

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

FIG. 2 is a partial cross-sectional left view of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the capacitor main body, the protective cover and the plugging cylinder in FIG. 2;

fig. 4 is a schematic view of a connection structure of the cover case, the wire and the end-capping barrel of fig. 2.

In the figure: 1. capacitor body, 2, connect electric subassembly, 3, insert the spring terminal, 4, protection casing, 401, first square ring, 402, second square ring, 403, rubber ring, 404, bolt, 405, housing, 5, end-capping section of thick bamboo, 501, toper drum, 502, lantern ring, 503, nut, 504, rubber circle, 505, interior cone nut, 6, label, 7, base, 8, wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a dry-type high-voltage capacitor comprises a capacitor body 1, wherein an electric connection component 2 is arranged at the top end of the capacitor body 1, a plug spring terminal 3 is sequentially and electrically connected to the top end of the electric connection component 2 from front to back, a lead 8 is fixedly connected to the right side of the plug spring terminal 3, the lead 8 is electrically connected with the plug spring terminal 3, a protective cover 4 is arranged on the outer side of the electric connection component 2, the protective cover 4 comprises a first square ring 401, a second square ring 402, a rubber ring 403, a bolt 404 and a cover 405, the first square ring 401 is positioned on the outer side of the electric connection component 2, the lower surface of the first square ring 401 is fixedly connected with the upper surface of the capacitor body 1, the second square ring 402 is arranged above the first square ring 401, the lower surface of the second square ring 402 is fixedly connected with the rubber ring 403, the rubber ring 403 is made of rubber material and has certain toughness, the sealing property between the first square ring 401 and the second square ring 402 can be guaranteed, and the lower surface of the rubber, bolt 404 has all been inserted in the upper surface four corners of second square ring 402, bolt 404 runs through second square ring 402 and rubber ring 403 in proper order and links to each other with first square ring 401 screw thread, the rigid coupling has housing 405 around the upper surface inboard of second square ring 402, housing 405 is that the cost is lower for PC material adds the hot-pressing injection, housing 405 is run through to one of wire 8, condenser main body 1's front surface bonding has label 6, label 6's front surface mark has condenser main body 1's detailed attribute, be convenient for operating personnel to discern, the equal rigid coupling in the lower surface left and right sides of condenser main body 1 has base 7, base 7's upper surface both sides all have opened the through-hole, be convenient for use bolt with condenser main body 1 install fixed.

The housing 405 is connected with the lead 8 through the end-capping barrel 5, the end-capping barrel 5 comprises a tapered cylinder 501, a lantern ring 502, a screw cap 503, a rubber ring 504 and an inner cone nut 505, the tapered cylinder 501 is sleeved on the outer wall of the lead 8, the inner wall of the tapered cylinder 501 is in clearance fit with the outer wall of the lead 8, the outer wall of the tapered cylinder 501 is in clearance fit with the contact surface of the housing 405, the lantern ring 502 is fixedly sleeved on the right side of the center of the outer wall of the tapered cylinder 501, the left surface of the lantern ring 502 is tightly abutted to the right surface of the housing 405, the screw cap 503 is connected with the left side of the outer wall of the tapered cylinder 501 in a threaded manner, the rubber ring 504 is fixedly connected with the right side of the inner wall of the tapered cylinder 501, the rubber ring 504 is made of rubber material and has certain toughness, the sealing performance between the lead 8 and the tapered cylinder can be improved, the inner wall of the rubber ring 504 is tightly abutted to, the left surface rigid coupling of lantern ring 502 has the sealing washer, and the sealing washer offsets tightly with the right surface of housing 405, and the sealing washer is made for rubber material, has certain toughness, can increase the leakproofness between the lantern ring 502 and the housing 405, and the inner wall of interior cone nut 505 is the same with the outer wall right side slope of toper drum 501 for interior cone nut 505 clockwise rotation in-process is to the even atress of toper drum 501.

When the dry-type high-voltage capacitor is used, the left end of a lead 8 penetrates through a housing 405 through an inner cone nut 505 and a conical cylinder 501 in sequence, the nut 503 is rotated clockwise, a lantern ring 502 and the nut 503 are both pressed against the housing 405, then the plug spring terminal 3 at the left end of the lead 8 is connected with an electric connection component 2, the housing 405 is close to the electric connection component 2, a bolt 404 is used for installing and fixing the second square ring 402 and the first square ring 401, then the outer end of the lead 8 is pulled outwards, the lead 8 is in a straightened state, the acting force for pulling the lead 8 outwards when needing to be noticed is moderate, finally the inner cone nut 505 is connected with the right side of the outer wall of the conical cylinder 501 in a threaded manner, a rubber ring 504 can be pressed against the outer wall of the lead 8, and further, external air impurities can be prevented from entering the housing through a gap between the lead 8 and the housing 405, and then can protect the junction of the power connection component 2, the wiring part is not easy to be attached by dust in the process of long-term use, so as to ensure that the circuit is long-term smooth and beneficial to the long-term use of the capacitor.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A dry high-voltage capacitor comprising a capacitor body (1), characterized in that: the capacitor comprises a capacitor body (1), and is characterized in that an electric connection assembly (2) is arranged at the top end of the capacitor body (1), the top end of the electric connection assembly (2) is electrically connected with an insertion spring terminal (3) from front to back in sequence, a lead (8) is fixedly connected to the right side of the insertion spring terminal (3), the lead (8) is electrically connected with the insertion spring terminal (3), and a protective cover (4) is arranged on the outer side of the electric connection assembly (2);

the protective cover (4) comprises a first square ring (401), a second square ring (402), a rubber ring (403), a bolt (404) and a cover shell (405);

first square ring (401) is located the outside that connects electric subassembly (2), the lower surface of first square ring (401) links to each other with the fixed surface of capacitor body (1) upper surface, the top of first square ring (401) is equipped with second square ring (402), the lower surface rigid coupling of second square ring (402) has rubber ring (403), the lower surface of rubber ring (403) offsets tightly with the upper surface of first square ring (401), bolt (404) have all been inserted in the upper surface four corners of second square ring (402), bolt (404) run through second square ring (402) and rubber ring (403) in proper order and link to each other with first square ring (401) screw thread, the upper surface inboard rigid coupling all around of second square ring (402) has housing (405), housing (405) is run through to one portion of wire (8).

2. A dry high-voltage capacitor as claimed in claim 1, wherein: a label (6) is adhered to the front surface of the capacitor body (1).

3. A dry high-voltage capacitor as claimed in claim 1, wherein: the left side and the right side of the lower surface of the capacitor main body (1) are fixedly connected with bases (7).

4. A dry high-voltage capacitor as claimed in claim 1, wherein: the housing (405) is connected with a lead (8) through a sealing end cylinder (5);

the end-sealing cylinder (5) comprises a conical cylinder (501), a lantern ring (502), a screw cap (503), a rubber ring (504) and an inner cone nut (505);

the outer wall at wire (8) is cup jointed in toper drum (501), the inner wall of toper drum (501) and the outer wall clearance fit of wire (8), the outer wall of toper drum (501) and the contact surface clearance fit of housing (405), lantern ring (502) has been cup jointed to the outer wall center right side of toper drum (501) is fixed, the left surface of lantern ring (502) offsets tightly with the right surface of housing (405), the outer wall left side threaded connection of toper drum (501) has nut (503), the right surface of nut (503) offsets tightly with the inner wall of housing (405), the inner wall right side rigid coupling of toper drum (501) has rubber circle (504), the inner wall of rubber circle (504) offsets tightly with the outer wall of wire (8), the outer wall right side screw thread of toper drum (501) has interior cone nut (505).

5. A dry high-voltage capacitor as claimed in claim 4, wherein: the left surface of the lantern ring (502) is fixedly connected with a sealing ring, and the sealing ring is tightly propped against the right surface of the housing (405).

6. A dry high-voltage capacitor as claimed in claim 4, wherein: the inner wall of the inner cone nut (505) has the same right slope as the outer wall of the conical cylinder (501).