CN217468212U - Inflatable ceramic capacitor - Google Patents
Inflatable ceramic capacitor Download PDFInfo
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- CN217468212U CN217468212U CN202220296507.6U CN202220296507U CN217468212U CN 217468212 U CN217468212 U CN 217468212U CN 202220296507 U CN202220296507 U CN 202220296507U CN 217468212 U CN217468212 U CN 217468212U
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Abstract
The utility model belongs to the technical field of the condenser, especially, relate to an aerify ceramic capacitor, include: the outer protective shell is internally provided with an accommodating cavity; the first end of the conductive connecting piece penetrates through the accommodating cavity from one end of the external protective shell and extends out of the other end of the external protective shell; the conductive ceramic tubular capacitor is arranged in the accommodating cavity and is connected with the conductive connecting piece; and the accommodating cavity is filled with insulating gas. The utility model discloses in realize passing through the overall structure of insulating gas at utmost protection capacitor structure reduces rightly ceramic tubular capacitor's damage promotes life, and promotes the security in the use, guarantees the stability of circuit, satisfies user's user demand.
Description
Technical Field
The utility model belongs to the technical field of the condenser, especially, relate to an aerify ceramic capacitor.
Background
The ceramic capacitor, especially the special-shaped high-voltage ceramic capacitor, because of its special shape, the expansion and contraction characteristics of different shaped parts and the epoxy resin packaging material are not easy to be coordinated at high and low temperature, so that the packaging material is not easy to combine and crack when cold and hot alternation or high and low temperature impact occurs, thereby bringing hidden danger to high-voltage equipment and seriously affecting the service life of the product.
The switch circuit breaker and the high-voltage filter of the power equipment have great requirements on the special capacitor, the high voltage and the uniform distribution of the electric field of the capacitor are incomparable with the characteristics of high capacity of other capacitors, and the current capacitor structure has the problem that the use is influenced due to the unreasonable design of an outer packaging structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an aerify ceramic capacitor aims at solving the capacitor structure among the prior art and leads to the technical problem who influences the use because of extranal packing packaging structure's office is present.
In order to achieve the above object, an embodiment of the present invention provides a pneumatic ceramic capacitor, including:
the outer protective shell is internally provided with an accommodating cavity;
the first end of the conductive connecting piece penetrates through the accommodating cavity from one end of the external protective shell and extends out of the other end of the external protective shell;
and the conductive ceramic tubular capacitor is arranged in the accommodating cavity and is connected with the conductive connecting piece.
Optionally, the accommodating cavity is filled with an insulating gas.
Optionally, the insulating gas is sulfur hexafluoride gas or nitrogen gas.
Optionally, the conductive connecting member is provided in a tubular shape, the number of the ceramic tubular capacitors is multiple, each of the ceramic tubular capacitors is sleeved on the conductive connecting member, the ceramic tubular capacitors are connected in series, and a conductive expansion surface is disposed on an inner wall of the conductive connecting member.
Optionally, the shape of the conductive extension is a smooth arc.
Optionally, the inner wall of the conductive connecting member is provided with a plurality of conductive extending portions, and the conductive extending portions are uniformly arranged.
Optionally, the inner wall of the conductive connecting member is further provided with a plurality of auxiliary connecting members, and two ends of each auxiliary connecting member are respectively connected with one of the conductive extending portions.
Optionally, the outer protective shell is made of epoxy resin.
Optionally, the external protective shell includes a cup body and a cover body, the cover body covers the rim of the cup body and forms the accommodating cavity in the cup body, and the first end of the conductive connecting piece passes through the cover body and passes through the accommodating cavity and then is penetrated out of the bottom of the cup body and extends out of the cup body.
Optionally, the valve further comprises a valve body, a valve port is arranged on the cover body, and the valve body is detachably mounted on the valve port to seal the accommodating cavity.
The embodiment of the utility model provides an above-mentioned one or more technical scheme among the inflatable ceramic capacitor have one of following technological effect at least:
the utility model discloses a set up the outside protective housing and be used for promoting overall structure stability, and make the first end of conductive connecting piece pass from one end of the outside protective housing the holding chamber and extend to outside the other end of the outside protective housing, make things convenient for the conductive connecting piece connects other circuits, in order to guarantee normal use, and through being equipped with the holding chamber, and in the holding intracavity is filled with insulating gas, the ceramic tubular capacitor is vulnerable to compared with solid-state filler among the prior art, the utility model discloses in realize through the overall structure of insulating gas maximum protection capacitor structure, reduce the damage to the ceramic tubular capacitor, promote life, and promote the security in the use, guarantee the stability of circuit, satisfy user's user demand;
on the other hand, the ceramic tube-shaped capacitor is provided with the external protective shell, and the external protective shell is filled with insulating gas, so that the structure of the inflatable ceramic capacitor is more stable in the using process, the cracking phenomenon is reduced, and the stability and the reliability of the circuit structure are protected.
In order to achieve the above object, an embodiment of the present invention provides an assembly method for a ceramic capacitor based on the gas filled ceramic capacitor, the method including the following steps:
step S100: providing an external protective shell, and arranging an accommodating cavity in the external protective shell;
step S200: providing a conductive connecting piece, and enabling a first end of the conductive connecting piece to penetrate through the accommodating cavity from one end of the external protective shell and extend out of the other end of the external protective shell;
step S300: and providing a ceramic tubular capacitor, installing the conductive ceramic tubular capacitor in the accommodating cavity, connecting the inner wall of the ceramic tubular capacitor with the conductive connecting piece, and filling insulating gas in the accommodating cavity.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the ceramic capacitor assembly method aerify have one of following technological effect at least:
the utility model provides an external protective shell, and an accommodating cavity is arranged in the external protective shell; providing a conductive connecting piece, and enabling a first end of the conductive connecting piece to penetrate through the accommodating cavity from one end of the external protective shell and extend out of the other end of the external protective shell; and then providing a ceramic tubular capacitor, installing the conductive ceramic tubular capacitor in the accommodating cavity, connecting the inner wall of the ceramic tubular capacitor with the conductive connecting piece, and filling insulating gas in the accommodating cavity, so that the inflatable ceramic capacitor protects the whole structure of the capacitor structure to the maximum extent through the insulating gas, the damage to the ceramic tubular capacitor is reduced, the service life is prolonged, the safety in the use process is improved, the stability of the circuit is ensured, and the use requirements of users are met.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of an overall structure of an air-filled ceramic capacitor according to an embodiment of the present invention;
fig. 2 is a top view of a gas-filled ceramic capacitor according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view taken at view A-A of FIG. 2;
fig. 4 is a top view of a gas filled ceramic capacitor according to another embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a pneumatic ceramic capacitor according to another embodiment of the present invention;
fig. 6 is a schematic flow chart of an assembly method of an air-filled ceramic capacitor according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
100. an outer protective shell; 110. a cup body; 120. a cover body; 121. a valve port; 140. an accommodating cavity; 200. a conductive connection member; 210. leading out the copper electrode; 220. a conductive extension; 230. an auxiliary connection member; 140. a conductive extension surface; 300. a ceramic tube capacitor; 400. a valve body.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically connected or connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1-5, there is provided a gas-filled ceramic capacitor comprising an outer protective shell 100, a conductive connecting member 200, and a ceramic tube-shaped capacitor 300.
Wherein, the inside of the external protective shell 100 is provided with an accommodating cavity 140; the first end of the conductive connecting piece 200 passes through the accommodating cavity 140 from one end of the outer protective shell and extends out of the other end of the outer protective shell; the conductive ceramic tube capacitor 300 is installed in the receiving cavity 140 and connected to the conductive connecting member 200. The accommodating chamber 140 is filled with an insulating gas.
The utility model discloses a set up outside protecting crust 100 and be used for promoting overall structure stability, and make the first end of conductive connecting piece 200 certainly the one end of outside protective housing is passed holding chamber 140 and extend to outside the other end of outside protective housing, it is convenient other circuits are connected to conductive connecting piece 200 to guarantee normal use, and through being equipped with holding chamber 140, and holding chamber 140 intussuseption is filled with insulating gas, and ceramic tubular capacitor 300 is vulnerable to damage to solid-state filler among the prior art than, the utility model discloses in realize through the overall structure of insulating gas maximum protection capacitor structure reduces rightly ceramic tubular capacitor 300's damage promotes life, and promotes the security in the use, guarantees the stability of circuit, satisfies user's user demand.
On the other hand, the ceramic tube capacitor 300 is provided with the external protective shell 100, and the external protective shell 100 is filled with insulating gas, so that the gas-filled ceramic capacitor has a more stable structure in the use process, the cracking phenomenon is reduced, and the stability and the reliability of the circuit structure are protected.
In another embodiment of the present invention, as shown in fig. 1 to 5, the insulating gas is sulfur hexafluoride gas or nitrogen gas. Specifically, the sulfur hexafluoride gas has high insulation property, and has high feasibility, high practicability and high acceptance when being applied to the inflatable ceramic capacitor. In another embodiment, the gas pressure of the sulfur hexafluoride gas in the gas state can effectively protect the ceramic tube-shaped capacitor 300, thereby prolonging the service life of the ceramic tube-shaped capacitor 300. Compared with the situation that the stress is generated after the solid substances such as epoxy resin and the like are used for filling, encapsulating and curing in the prior art, the sulfur hexafluoride does not damage the ceramic tubular capacitor 300 and has the insulating property of the epoxy resin, so that the product can meet the requirements of electric power and application in other directions.
Of course, the insulating gas may be selected as other gases as desired.
In another embodiment of the present invention, the insulating gas is air, and in this embodiment, the holding cavity 140 is not in a vacuum state, so that the ceramic tube capacitor 300 is not damaged, and therefore, the production cost is reduced, and no other inert gas is required to be purchased or used, thereby improving the production cost.
In another embodiment of the present invention, as shown in fig. 1-5, the conductive ceramic tube-shaped capacitor 300 is installed in the accommodating cavity 140 and sleeved on the conductive connecting member 200. In this embodiment, the ceramic tube capacitor 300 is a ceramic capacitor. Specifically, through the sleeving arrangement, on one hand, the stability of installing the ceramic tubular capacitor 300 on the conductive connecting piece 200 is improved, on the other hand, the conductive connecting piece 200 is cylindrical, and the ceramic tubular capacitor 300 is sleeved on the cylindrical conductive connecting piece 200, so that the periphery of the conductive connecting piece 200 is in contact with the ceramic tubular capacitor 300, the connection effect is better ensured compared with single-point connection, and the stability and the electrical performance of the overall structure of the inflatable ceramic capacitor are improved.
In another embodiment of the present invention, as shown in fig. 1 to 5, the conductive connecting member 200 is a tube-type structure, the number of the ceramic tube capacitors 300 is plural, each ceramic tube capacitor 300 is sleeved on the conductive connecting member 200, and each ceramic tube capacitor 300 is connected in series, and the inner wall of the conductive connecting member 200 is provided with a conductive expansion surface 140. Specifically, be the cast one end of electrically conductive connecting piece 200 connects the high-pressure end, through at this moment with electrically conductive connecting piece 200 sets up to be the cast, realizes will electrically conductive connecting piece 200's electrically conductive area grow to through area of contact's increase, stability when realizing connecing the high pressure improves, guarantees electric conductivity and security performance.
Further, the ceramic tube capacitors 300 are all sleeved on the conductive connecting member 200, and the ceramic tube capacitors 300 are connected in series, so that the use requirement is met.
In another embodiment of the present invention, as shown in fig. 1-5, the other end of the conductive connecting member 200 is used for receiving low voltage electricity, in this embodiment, the other end of the conductive connecting member 200 extends outward to form a lead-out copper electrode 210, the lead-out copper electrode 210 is used for connecting a low voltage end, and by setting the lead-out copper electrode 210 realizes better connection, compared with a direct welding structure or other structures in the prior art, by setting the lead-out copper electrode 210, the improvement of the stability of connection is realized, and on the other hand, the convenience in the using process is improved.
In another embodiment of the present invention, as shown in fig. 1-5, the shape of the conductive extension surface 140 is a smooth arc surface. Specifically, the conductive expansion surface 140 is realized by arranging a smooth arc surface, so that the conductive stability and reliability are improved.
In another embodiment of the present invention, as shown in fig. 1 to 5, the inner wall of the conductive connecting member 200 is provided with a plurality of conductive extending portions 220, and the conductive extending portions 220 are uniformly arranged. In particular, a further enlargement of the conductive area is achieved on the one hand by the provision of the conductive extension 220 to enhance the conductive properties and the electrical stability of the restart capacitor structure during use through an area-based angle. On the other hand, through the setting of electrically conductive extension 220, realized the increase of electrically conductive connecting piece 200 volume, realize the reinforcing of electrical conductivity from the aspect of the volume, indirectly promote gas ceramic capacitor's electrical property, promptly, through setting up electrically conductive extension 220, from the area and the volume two aspects greatly promote electrically conductive ability to satisfy the user demand.
In another embodiment of the present invention, as shown in fig. 1 to 5, the inner wall of the conductive connecting member 200 is further provided with a plurality of auxiliary connecting members 230, and two ends of each of the auxiliary connecting members 230 are respectively connected to one of the conductive extending portions 220. Specifically, the auxiliary connecting member 230 is made of the same material as that of the conductive connecting member 200, and is made of a conductive material. For example, brass is adopted as a material, so that the production cost is reduced on one hand, and the electric conduction capability is good on the other hand.
In another embodiment of the present invention, as shown in fig. 1-5, the outer protective shell 100 is made of epoxy resin. Specifically, the external protective shell 100 is made of epoxy resin, so that the sulfur hexafluoride gas is accommodated by using the advantages of the epoxy resin such as excellent insulating property, high hardness and aging resistance and using the ultrahigh hardness. On the other hand, utilize its intensity sufficient advantage, aerify and inflate many times in the convenient production, realize reducing the production of defective rate on the basis of guaranteeing intensity, also can promote production efficiency.
In another embodiment of the present invention, as shown in fig. 1-5, the external protection shell 100 includes a cup body 110 and a cover body 120, the cover body 120 is disposed on the rim of the cup body 110 and forms the accommodating cavity 140 in the cup body 110, and the first end of the conductive connecting member 200 passes through the cover body 120, passes through the accommodating cavity 140, and then passes through the bottom of the cup body 110 and extends to the outside of the cup body 110. Specifically, the cup body 110 and the cover body 120 are arranged, the cover body 120 is arranged to cover the cup opening of the cup body 110, and the accommodating cavity 140 is formed in the cup body 110, so that the external protective shell 100 can be detachably connected, the subsequent installation of the conductive connecting piece 200 and the ceramic tubular capacitor 300 is ensured, and the convenience of filling the insulating gas is also ensured.
In another embodiment of the present invention, as shown in fig. 1-5, the gas-filled ceramic capacitor further includes a valve body 400, the valve port 121 is disposed on the cover 120, and the valve body 400 is detachably mounted on the valve port 121 to close the accommodating cavity 140. Specifically, the valve body 400 is arranged to realize the plugging after the filling of the insulating gas, so as to ensure the sealing property and the detachability of the insulating gas in the accommodating cavity 140.
In another embodiment of the present invention, as shown in fig. 6, there is provided an assembly method based on the gas-filled ceramic capacitor, the method comprising the steps of:
step S100: providing an external protective shell 100, and arranging a containing cavity 140 in the external protective shell 100;
step S200: providing a conductive connecting piece 200, and enabling a first end of the conductive connecting piece 200 to penetrate through the accommodating cavity 140 from one end of the outer protective shell and extend out of the other end of the outer protective shell;
step S300: providing a ceramic tube-shaped capacitor 300, installing the conductive ceramic tube-shaped capacitor 300 in the accommodating cavity 140, connecting the inner wall of the ceramic tube-shaped capacitor 300 with the conductive connecting piece 200, and filling insulating gas in the accommodating cavity 140.
The utility model provides an external protective shell 100, and an accommodating cavity 140 is arranged in the external protective shell 100; providing a conductive connecting piece 200, and enabling a first end of the conductive connecting piece 200 to penetrate through the accommodating cavity 140 from one end of the external protective shell and extend out of the other end of the external protective shell; then, providing a ceramic tubular capacitor 300, installing the conductive ceramic tubular capacitor 300 in the accommodating cavity 140, connecting the inner wall of the ceramic tubular capacitor 300 with the conductive connecting piece 200, and filling insulating gas in the accommodating cavity 140, so that the inflatable ceramic capacitor protects the whole structure of the capacitor structure to the greatest extent through the insulating gas, reduces the damage to the ceramic tubular capacitor 300, prolongs the service life, improves the safety in the using process, ensures the stability of the circuit, and meets the use requirements of users.
In another embodiment of the present invention, as shown in fig. 1-5, step S300: providing a ceramic tube-shaped capacitor 300, installing the conductive ceramic tube-shaped capacitor 300 in the accommodating cavity 140, connecting the inner wall of the ceramic tube-shaped capacitor 300 with the conductive connecting piece 200, and filling insulating gas in the accommodating cavity 140, specifically comprising:
firstly, the ceramic tube capacitor 300 is placed in the accommodating cavity 140, the cover body 120 is covered on the cup body 110, then the valve body 400 is installed on the valve port 121, at this time, the valve body 400 is installed on the valve port 121 but not completely closes the valve port 121, then the capacitor restart structure is placed in a prepared vacuum box for vacuum pumping, so as to realize vacuum pumping in the accommodating cavity 140, then the gas-filled ceramic capacitor is fixed by using a prepared manipulator, and then the insulating gas is filled, and after filling, the valve body 400 is stably installed in the valve port 121 by using the manipulator without gaps, so as to realize sealing of the insulating gas. Therefore, on one hand, high-efficiency assembly production is achieved through the manipulator, on the other hand, the insulating gas is charged through firstly vacuumizing in the vacuum box, the fact that the concentration of the charged gas in the gas-charged ceramic capacitor is high in the assembly process is guaranteed, no impurities exist, and the overall electrical performance of the gas-charged ceramic capacitor is improved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A gas-filled ceramic capacitor, comprising:
the outer protective shell is internally provided with an accommodating cavity;
the first end of the conductive connecting piece penetrates through the accommodating cavity from one end of the external protective shell and extends out of the other end of the external protective shell;
the conductive ceramic tubular capacitor is arranged in the accommodating cavity and is connected with the conductive connecting piece;
and the accommodating cavity is filled with insulating gas.
2. The gas-filled ceramic capacitor as claimed in claim 1, wherein the insulating gas is sulfur hexafluoride gas or nitrogen gas.
3. The ceramic capacitor according to claim 2, wherein the conductive connecting member is a tube, the number of the ceramic tube capacitors is plural, each ceramic tube capacitor is sleeved on the conductive connecting member, the ceramic tube capacitors are connected in series, and the inner wall of the conductive connecting member is provided with a conductive expansion surface.
4. A gas-filled ceramic capacitor as claimed in claim 3, characterized in that the shape of the conductive extension is a smooth arc.
5. The gas-filled ceramic capacitor as claimed in any one of claims 1 to 3, wherein the inner wall of the conductive connecting member is provided with a plurality of conductive extending portions, and the conductive extending portions are uniformly arranged.
6. The gas-filled ceramic capacitor as claimed in claim 5, wherein the inner wall of the conductive connecting member is further provided with a plurality of auxiliary connecting members, and both ends of each of the auxiliary connecting members are respectively connected to one of the conductive extending portions.
7. A gas filled ceramic capacitor as claimed in any one of claims 1 to 3 wherein the outer protective shell is of epoxy.
8. The ceramic capacitor according to any one of claims 1 to 3, wherein the outer protective shell comprises a cup body and a cover body, the cover body covers the rim of the cup body and forms the accommodating cavity in the cup body, and the first end of the conductive connecting member passes through the cover body, passes through the accommodating cavity, penetrates out of the bottom of the cup body, and extends out of the cup body.
9. The gas-filled ceramic capacitor as claimed in claim 8, further comprising a valve body, wherein a valve port is provided on the cover body, and the valve body is detachably mounted on the valve port to close the accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296507.6U CN217468212U (en) | 2022-02-14 | 2022-02-14 | Inflatable ceramic capacitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220296507.6U CN217468212U (en) | 2022-02-14 | 2022-02-14 | Inflatable ceramic capacitor |
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| CN217468212U true CN217468212U (en) | 2022-09-20 |
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| CN202220296507.6U Active CN217468212U (en) | 2022-02-14 | 2022-02-14 | Inflatable ceramic capacitor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446653A (en) * | 2022-02-14 | 2022-05-06 | 东莞市美志电子有限公司 | Inflatable ceramic capacitor and assembling method thereof |
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2022
- 2022-02-14 CN CN202220296507.6U patent/CN217468212U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114446653A (en) * | 2022-02-14 | 2022-05-06 | 东莞市美志电子有限公司 | Inflatable ceramic capacitor and assembling method thereof |
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