CN201820638U - Ceramic dielectric ring capacitor - Google Patents
Ceramic dielectric ring capacitor Download PDFInfo
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- CN201820638U CN201820638U CN2010205613983U CN201020561398U CN201820638U CN 201820638 U CN201820638 U CN 201820638U CN 2010205613983 U CN2010205613983 U CN 2010205613983U CN 201020561398 U CN201020561398 U CN 201020561398U CN 201820638 U CN201820638 U CN 201820638U
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Abstract
The utility model discloses a ceramic dielectric ring capacitor. The ring ceramic dielectric capacitor comprises a dielectric ceramic body, wherein the dielectric ceramic body adopts a cylindrical structure, and a penetration hole is formed in the cylindrical structure. The ring ceramic dielectric capacitor further comprises an inner lead ring arranged on the inner ring surface of the dielectric ceramic body and an outer lead ring arranged on the outer side surface of the dielectric ceramic body, and the inner lead ring and the outer lead ring are mutually isolated. One pole of the ring ceramic dielectric capacitor is arranged on the inner lead ring on the inner ring surface of the dielectric ceramic body, the other pole of the ring ceramic dielectric capacitor is arranged on the outer lead ring on the outer side surface of the dielectric ceramic body, and the distance between the two terminal poles can be regulated according to the specific demands, so that compared with a common capacitor the creep age distance of the ring ceramic dielectric capacitor is large, and the safety factor is higher. On the other hand, the pole plate of the ring ceramic dielectric capacitor can play the shielding function, so as to prevent the hollow cavity body from being interfered by an external electric field. Besides, the ring ceramic dielectric capacitor further has the characteristics of small volume, compact structure, convenience, practicability and the like, thereby being suitable for generalization and popularization.
Description
Technical field
The utility model relates to a kind of electric capacity, especially relates to a kind of ceramic dielectric annular capacitor.
Background technology
The pottery high-voltage capacitance is the normal power taking sensing element that uses in the high-voltage alternating circuit.Because usually high-voltage capacitance is a cylindrical shape, and capacitor plate is on two relative disks.Make when the distance size that designs between the pole plate, satisfying the selection that occurs contradiction on bigger creepage distance and the bigger capacitance value: for making the creepage distance long enough between pole plate, should design enough cylinder height, but high more cylinder height, can make polar plate spacing from far away more again, cause the capacitance value more little.Simultaneously, capacitor is cooperated with other elements, lower in the utilization ratio of spatial volume, above defective has just proposed new requirement to the development and the improvement of electric capacity.
Summary of the invention
At the problems referred to above, the purpose of this utility model is to provide a kind of ceramic dielectric annular capacitor.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
A kind of ceramic dielectric annular capacitor, comprise the dielectric ceramic body, described dielectric ceramic body is the cylindrical configuration of middle perforation, it is characterized in that: also comprise the lead ring of being located at described dielectric ceramic body inner ring surface and the outer lead ring of being located at the external side of dielectric ceramic, described lead ring and outer lead ring are isolated mutually.
Further, stagger mutually between described lead ring and the outer lead ring, form an insulating segment between the two.
In addition, the bottom of described dielectric ceramic body inner ring surface is provided with the screens groove.
The beneficial effects of the utility model are: the utility model is as a kind of ceramic dielectric annular capacitor, because the one utmost point is arranged on the lead ring of ceramic dielectric inner ring surface, another utmost point is arranged on the outer lead ring of ceramic dielectric lateral surface, can adjust two end die openings according to concrete needs, therefore for cylinder electric capacity, can utilize the length of inside and outside anchor ring to increase creepage distance and pole plate area, can utilize simultaneously the thickness of annulated column to shorten distance between capacitor plate, obtaining between bigger pole plate in the creepage distance, obtain the effect that increases capacitance, effectively solve the contradiction of pole plate apart from design; On the other hand, ceramic dielectric annular capacitor inside and outside circle cylinder pole plate described in the utility model just in time can partly provide the shielding action to the electric field of outside for the cylindrical cavity of central authorities; The ceramic dielectric annular capacitor also has the electric field shielding function to center cavity when improving the sensor bulk utilance; In addition, therefore characteristics such as the utility model also has little, the compact conformation of volume, and is convenient and practical are fit to apply.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further:
Fig. 1 is an overall structure schematic diagram of the present utility model;
Fig. 2 is a schematic top plan view of the present utility model.
Embodiment
See figures.1.and.2, a kind of ceramic dielectric annular capacitor, comprise dielectric ceramic body 1, described dielectric ceramic body 1 is the cylindrical configuration of middle perforation, it is characterized in that: also comprise the lead ring 2 of being located at described dielectric ceramic body 1 inner ring surface and the outer lead ring 3 of being located at dielectric ceramic body 1 lateral surface, described lead ring 2 is isolated mutually with outer lead ring 3.
As preferred implementation of the present utility model, stagger mutually between described lead ring 2 and the outer lead ring 3, form an insulating segment between the two.
One utmost point of described ceramic dielectric annular capacitor is arranged on the lead ring 2 of ceramic dielectric inner ring surface, another utmost point is arranged on the outer lead ring 3 of ceramic dielectric lateral surface, as can be seen from Figure 1, one section insulation spacing district is arranged between described lead ring 2 and the outer lead ring 3, can adjust two distances between the end utmost point according to actual needs, therefore for common electric capacity, its creepage distance is bigger, and coefficient of safety is higher.
Ceramic dielectric annular capacitor described in the utility model generally is used in the high-voltage alternating transducer.Can be used for directly from High Level AC Voltage, obtaining other circuit working usefulness of faint electric energy power supply minor transducer, and provide the electric field shielding effect for the voltage signal acquisition cuicuit of electronic sensor.For example, by with being used of resistance string, as the current limliting step-down part of the prime of high pressure electricity getting device, ring electrode connects high voltage in this moment, outer ring electrode connects low-voltage, and the maskable external electrical field is to the influence of central resistance string, thus the precision and the stability of raising voltage sampling.
In addition, the bottom of described dielectric ceramic body 1 inner ring surface is provided with screens groove 4.
More than preferable enforcement of the present utility model is specified; certainly; the utility model can also adopt form different from the embodiment described above; those of ordinary skill in the art should belong in the protection range of the present utility model conversion of being done under the prerequisite of spirit of the present invention that is equal to or corresponding the change.
Claims (3)
1. ceramic dielectric annular capacitor, it is characterized in that: comprise dielectric ceramic body (1), described dielectric ceramic body (1) is the cylindrical configuration of middle perforation, dielectric ceramic body (1) inner ring surface is provided with lead ring (2), outer ring surface is provided with outer lead ring (3), and described lead ring (2) is isolated mutually with outer lead ring (3).
2. a kind of ceramic dielectric annular capacitor according to claim 1 is characterized in that: stagger mutually between described lead ring (2) and the outer lead ring (3), form an insulating segment between the two.
3. a kind of ceramic dielectric annular capacitor according to claim 1 is characterized in that: the bottom of described dielectric ceramic body (1) inner ring surface is provided with screens groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205613983U CN201820638U (en) | 2010-10-14 | 2010-10-14 | Ceramic dielectric ring capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205613983U CN201820638U (en) | 2010-10-14 | 2010-10-14 | Ceramic dielectric ring capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820638U true CN201820638U (en) | 2011-05-04 |
Family
ID=43918584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205613983U Expired - Fee Related CN201820638U (en) | 2010-10-14 | 2010-10-14 | Ceramic dielectric ring capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201820638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543427A (en) * | 2010-12-21 | 2012-07-04 | 珠海威瀚科技发展有限公司 | Ceramic dielectric annular capacitor |
| CN105590750A (en) * | 2016-03-17 | 2016-05-18 | 山东交通学院 | Ceramic capacitor |
| CN107870260A (en) * | 2017-12-15 | 2018-04-03 | 武汉东硕电气有限公司 | One kind metering takes can integrated high-accuracy voltage sensor |
-
2010
- 2010-10-14 CN CN2010205613983U patent/CN201820638U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543427A (en) * | 2010-12-21 | 2012-07-04 | 珠海威瀚科技发展有限公司 | Ceramic dielectric annular capacitor |
| CN105590750A (en) * | 2016-03-17 | 2016-05-18 | 山东交通学院 | Ceramic capacitor |
| CN105590750B (en) * | 2016-03-17 | 2018-02-06 | 山东交通学院 | A kind of ceramic capacitor |
| CN107870260A (en) * | 2017-12-15 | 2018-04-03 | 武汉东硕电气有限公司 | One kind metering takes can integrated high-accuracy voltage sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20191014 |