CN217061780U

CN217061780U - Ceramic capacitor

Info

Publication number: CN217061780U
Application number: CN202122391676.6U
Authority: CN
Inventors: 罗军鹏; 毕冬丽; 张凯; 陈江锋
Original assignee: Shaanxi Baoguang Vacuum Electric Device Co ltd
Current assignee: Shaanxi Baoguang Vacuum Electric Device Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-07-26
Anticipated expiration: 2031-09-30

Abstract

The utility model belongs to the field of electric elements, and relates to a ceramic capacitor, which comprises a ceramic capacitor body, wherein two end faces are arranged on the ceramic capacitor body; one of the two end faces is provided with an inserting male head or an inserting female head, and the other end face is also provided with an inserting male head or an inserting female head; the plug male head and the plug female head are respectively used for being plugged with an interface of an external circuit; the plug male connector comprises a base and a plug part arranged on the base; the female plug is provided with a plug hole. In the utility model, the installation form of the ceramic capacitor is inserted to replace the threaded connection in the prior art, so that the risk of pollution to the ceramic capacitor body in the operation process can be reduced, and the performance of the ceramic capacitor is more stable; the installation quality and the installation efficiency are improved; and reduces the labor intensity of an operator in the process of assembling and mounting the ceramic capacitor.

Description

Ceramic capacitor

Technical Field

The utility model belongs to the electrical element field, concretely relates to ceramic capacitor.

Background

In the signal acquisition system, a high-voltage ceramic capacitor is connected into an acquired circuit, and the acquisition function of voltage signals can be realized by utilizing the capacitance voltage division principle. The high-voltage ceramic capacitor is poured in a mode of fusing and sealing the pole posts for the first time and the second time, so that the insulating strength of the high-voltage ceramic capacitor can be further improved.

At present, before a traditional ceramic capacitor is used, a ceramic body on the ceramic capacitor is screwed by external force, a screw welded on an electrode surface of the ceramic body is fixed on a high-voltage metal conductor, and then APG process pouring or vacuum pouring is carried out by utilizing an epoxy resin automatic pressure gel forming technology (APG technology for short), so that the whole capacitor is encapsulated in an insulating material, and the external insulation of the ceramic capacitor is improved.

However, in the mounting process of the ceramic capacitor, in order to ensure the reliable screw connection on the electrode surface of the ceramic body, when the ceramic body on the ceramic capacitor is screwed by external force, the ceramic body part needs to be held or clamped for a long time, and the operation form of contacting with the operated ceramic body surface for a long time is very easy to pollute the surface of the ceramic body, so that the performance of the whole cast ceramic capacitor is affected, for example, in the performance detection process, the problems of voltage breakdown or partial discharge exceeding standard and the like occur. In addition, when the external force for screwing is too large, the screw soldered on the electrode surface is easily damaged, so that the whole capacitor is directly scrapped, the rejection rate is improved, the requirement of the installation and connection mode on the technical level of an operator is higher, and meanwhile, the efficiency of the installation and connection mode for screwing operation is lower.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the above-mentioned drawbacks of the prior art, and provides a ceramic capacitor, which can reduce the risk of contamination of the ceramic body, and stabilize the performance of the whole ceramic capacitor; in addition, the working efficiency of the operation can be improved, and the labor intensity of operators is reduced; the quality consistency of the ceramic capacitors in installation and connection is ensured; the rejection rate can be further reduced.

In order to realize the purpose, the utility model adopts the following technical scheme:

a ceramic capacitor comprises a ceramic capacitor body, wherein two end faces are arranged on the ceramic capacitor body; one of the two end faces is provided with an inserting male head or an inserting female head, and the other end face is also provided with an inserting male head or an inserting female head; the plug male head and the plug female head are respectively used for being plugged with an interface of an external circuit; the plug male connector comprises a base and a plug part arranged on the base; the female head of grafting is provided with the spliced eye.

As a preferable scheme of the ceramic capacitor, the insertion part is an insertion spring and is used for being inserted into an interface of an external circuit.

As a preferred scheme of the ceramic capacitor, the insertion spring is a slot-breaking insertion spring, at least two open slots are arranged on the slot-breaking insertion spring, and the at least two open slots are uniformly distributed along the circumferential direction of the slot-breaking insertion spring.

Preferably, the insertion part is a drum spring for inserting into an external circuit interface.

As a preferable aspect of the ceramic capacitor, the drum spring has a plurality of elongated grooves, and the plurality of elongated grooves are uniformly distributed along a circumferential direction of the drum spring.

As a preferable scheme of the ceramic capacitor, the base is a square flat plate or a circular flat plate.

As a preferred scheme of the ceramic capacitor, the plug-in male head is made of a steel plate, an aluminum-zinc-coated plate, an aluminum plate or a copper plate.

As a preferred scheme of the ceramic capacitor, the female plug is made of copper alloy, aluminum alloy or steel.

As a preferred scheme of the ceramic capacitor, the plug-in male head and/or the plug-in female head are welded on the end face of the ceramic capacitor body.

Preferably, the end face of the ceramic capacitor is plated with a silver layer.

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

the utility model discloses in, both ends set up the public head of pegging graft or the female head of pegging graft on the ceramic capacitor body for carry out the plug-in connection with external circuit. When the ceramic capacitor body is provided with the plug-in male connector, the plug-in part of the plug-in male connector is matched and plugged with the external female connector part, so that the reliable connection of the circuit is realized; when the ceramic capacitor body is provided with the female plug, the plug hole of the female plug is matched with the external male plug for plug connection, so that the reliable connection of the circuit is realized. The installation form of the ceramic capacitor is inserted to replace the threaded connection in the prior art, so that the performance of the ceramic capacitor is more stable, the installation quality is improved, the installation efficiency is improved, and the labor intensity of an operator is reduced. Compared with the threaded connection mode in the prior art, the ceramic capacitor adopts the plug-in mode that the plug-in male head and/or the plug-in female head are matched with the external circuit, so that the working time of an operator for holding and clamping the ceramic capacitor body can be effectively reduced, the risk of pollution on the surface of the ceramic capacitor body is further reduced, and the performance of the whole cast ceramic capacitor is more stable; the ceramic capacitor adopts a plug-in form that a plug-in male head and/or a plug-in female head are matched with an external circuit, so that the operation technical requirements of an operator are reduced, and the integral installation quality of the ceramic capacitor tends to be consistent; compared with the threaded connection mode in the prior art, the ceramic capacitor adopts the plug-in mode that the plug-in male head and/or the plug-in female head are matched with the external circuit, and the problem that the threaded connection part of the ceramic capacitor in threaded connection is damaged due to overlarge manual operation force is avoided, so that the rejection rate is reduced; the ceramic capacitor adopts a plug-in form that the plug-in male head and/or the plug-in female head are matched with the external circuit, so that the labor intensity of an operator can be effectively reduced, and the mounting efficiency of the ceramic capacitor is improved.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a cross-sectional view of a ceramic capacitor having a male plug and a female plug according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a ceramic capacitor having only male plugs according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a ceramic capacitor with only a plug female according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a ceramic capacitor with a drum spring as an insertion part according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a ceramic capacitor according to an embodiment of the present invention in plug-in connection with an external circuit;

fig. 6 is a schematic structural diagram of an insertion male head with a broken groove insertion spring according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a male plug with a drum spring according to an embodiment of the present invention.

The reference numerals are illustrated below:

100. a ceramic capacitor body; 101. an end face; 200. inserting a male head; 201. a base; 202. a plug-in part; 2021. an open slot; 2022. a long groove; 300. inserting a female head; 301. inserting holes; 400. a male head is connected externally; 500. externally connected with a female part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to be limiting.

Referring to fig. 1-3, the present embodiment provides a ceramic capacitor, which includes a ceramic capacitor body 100, wherein two end surfaces 101 are disposed on the ceramic capacitor body 100; one of the two end faces 101 is provided with a male plug 200 or a female plug 300, and the other is also provided with the male plug 200 or the female plug 300. In summary, the ceramic capacitor has three basic forms, which are: in a first form, as shown in fig. 1, a male plug 200 is disposed at one end of a ceramic capacitor body 100, and a female plug 300 is disposed at the other end; in a second form, as shown in fig. 2, the two ends of the ceramic capacitor body 100 are both inserted male connectors 200; in a third form, as shown in fig. 3, the ceramic capacitor body 100 has female plugs 300 at both ends.

Referring to fig. 5, the first type of ceramic capacitor, i.e. the ceramic capacitor body 100 has a male plug 200 at one end and a female plug 300 at the other end, and the male plug 200 and the female plug 300 are respectively used for plugging with an interface of an external circuit. When the ceramic capacitor is installed and used, the plug-in male connector 200 at one end is directly plugged in the external female connector part 500; the other end is directly plugged into the female plug 300 of the ceramic capacitor by the male plug 400, and of course, the other two types of connection structures of the ceramic capacitor and the external circuit are easily conceivable by those skilled in the art. At present, two connecting ends of the conventional ceramic capacitor are copper screws, and when the ceramic capacitor is installed and used, the copper screws are connected with a threaded structure of an external circuit by rotating the ceramic capacitor body 100. In this embodiment, the ceramic capacitor adopts a plug-in form that the plug-in male head and/or the plug-in female head are matched with the external circuit, so that the rapid connection can be realized, the operation time of an operator on the ceramic capacitor body 100 is reduced, the pollution risk of the ceramic capacitor is reduced, the performance of the ceramic capacitor is further more stable, and the installation quality is effectively improved; meanwhile, compared with the threaded connection form in the prior art, the ceramic capacitor adopts the plug-in form that the plug-in male head and/or the plug-in female head are matched with the external circuit, the installation speed is higher, the efficiency is higher, and the labor intensity of an operator is also obviously reduced; in prior art, threaded connection's ceramic capacitor is in the installation, and is very high to the requirement of operating force, hardly keep unanimous, and when the operating force is too big, still can damage ceramic capacitor, and the rejection rate rises, but in this embodiment, ceramic capacitor adopts public head of pegging graft and/or the female head of pegging graft and external circuit matched with grafting form to require lowerly to different operating personnel's technical level, even operating personnel that the operating technical level is inconsistent, also can guarantee the uniformity of installation quality, reduce the rejection rate.

In this embodiment, the female plug 300 of the ceramic capacitor is made of a metal material, and preferably, the female plug 300 is made of one of copper alloy, aluminum alloy or steel; the male plug 200 is also made of metal material, and preferably, the male plug 200 is made of steel plate, aluminum-zinc-coated plate, aluminum plate or copper plate.

With continued reference to fig. 1-3, the male plug 200 and/or the female plug 300 of the ceramic capacitor are fixed on the end face 101 of the ceramic capacitor body 100 by welding, optionally by soldering; the two end surfaces 101 of the ceramic capacitor body 100 are plated with silver layers to form two electrodes of the ceramic capacitor.

Referring to fig. 1-5, the male plug 200 includes a base 201 and a plug portion 202. The base 201 is a square plate or a circular plate for fixedly connecting the male plug 200 to the ceramic capacitor body 100, and the plug portion 202 is a plug spring or a drum spring for plug connection with the external female plug part 500. As shown in fig. 1, when the inserting part 202 is a slot spring, it is preferable that the slot spring is a slot spring, the slot spring has at least two open grooves 2021 to reduce the rigidity of the structure, so that the slot spring generates elasticity, so that the inserting structure is more stable, and the at least two open grooves 2021 are uniformly distributed along the circumference of the slot spring, in this embodiment, the basic structure of the slot spring is as shown in fig. 6. The insertion part 202 may also be a drum spring as shown in fig. 4, and the specific structure is as shown in fig. 7, the drum spring has a plurality of elongated grooves 2022, and the plurality of elongated grooves 2022 are uniformly distributed along the circumferential direction of the drum spring. The plug part 202 adopts a plug spring or a spring, so that the plug male head 200 of the ceramic capacitor can be quickly plugged with the external female head part 500, and meanwhile, the elastic plug can further ensure the reliable connection.

Referring to fig. 1-5, the female plug 300 is provided with a plug hole 301, and the plug hole 301 can be matched with the male plug 400, specifically, the male plug 400 is inserted into the plug hole 301 to achieve quick connection.

It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A ceramic capacitor comprises a ceramic capacitor body (100), and is characterized in that two end faces (101) are arranged on the ceramic capacitor body (100); one of the two end faces (101) is provided with a male plug-in connector (200) or a female plug-in connector (300), and the other end face is also provided with a male plug-in connector (200) or a female plug-in connector (300); the plug-in male head (200) and the plug-in female head (300) are respectively used for being plugged with an interface of an external circuit; the plug male head (200) comprises a base (201) and a plug part (202) arranged on the base (201); the female plug (300) is provided with a plug hole (301).

2. A ceramic capacitor according to claim 1, wherein the plug part (202) is a plug spring for interfacing with an external circuit.

3. The ceramic capacitor as claimed in claim 2, wherein the slot spring is a slot spring, at least two open slots (2021) are formed in the slot spring, and at least two open slots (2021) are uniformly distributed along the circumferential direction of the slot spring.

4. A ceramic capacitor according to claim 1, wherein the plug part (202) is a drum spring for interfacing with an external circuit.

5. The ceramic capacitor as claimed in claim 4, wherein the drum spring has a plurality of elongated grooves (2022), and the plurality of elongated grooves (2022) are uniformly distributed along a circumferential direction of the drum spring.

6. The ceramic capacitor according to claim 1, wherein the base (201) is a square plate or a circular plate.

7. Ceramic capacitor according to any of claims 1-6, characterized in that the male plug (200) is made of steel, zinc-aluminum-clad, aluminum or copper plate.

8. Ceramic capacitor according to any of claims 1-6, characterized in that the material of the female plug (300) is copper alloy, aluminum alloy or steel.

9. Ceramic capacitor according to one of claims 1 to 6, characterized in that the male plug-in connector (200) and/or the female plug-in connector (300) are welded on the end face (101) of the ceramic capacitor body (100).

10. A ceramic capacitor according to claim 1, characterized in that the end face (101) is plated with a silver layer.