CN218038869U

CN218038869U - Plate type filtering ceramic dielectric capacitor

Info

Publication number: CN218038869U
Application number: CN202222196217.7U
Authority: CN
Inventors: 黄攀; 黄必相; 杨凯; 王湘; 穆超; 于丽平
Original assignee: State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
Current assignee: State Run Factory 4326 of China Zhenhua Group Xinyun Electronic Comp and Dev Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-12-13
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a board-like filtering ceramic dielectric capacitor, including a plurality of diaphragm electrode subassemblies, a plurality of diaphragm electrode subassemblies are together laminated, diaphragm electrode subassembly includes ceramic membrane piece and a plurality of electrode slice to two-layer ceramic membrane piece at least in interval between the adjacent two-layer electrode slice. Adopt the technical scheme of the utility model, a plurality of electric capacity units have been laid along ceramic diaphragm surface direction, a plurality of electrode slices have also been laid along ceramic diaphragm thickness direction, form the energy storage space between the adjacent layer electrode slice, also be equivalent to the condenser, a plurality of condensers have all been laid in ceramic diaphragm surface direction and thickness direction promptly to make full use of three-dimensional space, improved the integrated level of condenser, be favorable to further promoting the whole capacity of condenser by a wide margin, further extension condenser's range of application.

Description

Plate type filtering ceramic dielectric capacitor

Technical Field

The utility model relates to an electronic components technical field especially indicates a plate filter porcelain dielectric capacitor.

Background

Capacitor products can be classified into electrolyte capacitors, paper capacitors, film capacitors, ceramic capacitors, mica capacitors, air capacitors, and the like, according to the difference of media in the capacitor products. Generally speaking, compared with other capacitors, the ceramic capacitor has the advantages of higher use temperature, large specific capacity, good moisture resistance, smaller dielectric loss, large-range selection of capacitance temperature coefficient and the like, and is widely used in electronic circuits with considerable use amount. The existing multi-core group ceramic capacitor is formed by parallelly connecting and stacking a plurality of multi-layer ceramic capacitors, the external dimension of the multi-core group ceramic capacitor is limited by the size of a chip, the application range of a product is limited by the universal dimension of international standards, the capacity range of the multi-core group ceramic capacitor cannot be further expanded due to the external dimension of the multi-layer ceramic capacitor, and the capacity requirement of the multi-core group ceramic capacitor on special application occasions in the market cannot be met at present. For example, publication numbers are: the patent document of "CN208271746U" discloses a series-parallel ceramic capacitor bank, which includes a first multilayer ceramic capacitor chip set, a second multilayer ceramic capacitor chip set, a first lead, a second lead and a third lead; the first multilayer ceramic dielectric capacitor chip group and the second multilayer ceramic dielectric capacitor chip group are welded on the first lead in series through welding flux; the end part of the first multilayer ceramic dielectric capacitor chip group, which is far away from the first lead, is welded with a second lead through a welding flux, and the end part of the second multilayer ceramic dielectric capacitor chip group, which is far away from the first lead, is welded with a third lead through a welding flux; the first multilayer ceramic dielectric capacitor chip group comprises a first multilayer ceramic dielectric capacitor chip and a second multilayer ceramic dielectric capacitor chip which are welded in parallel through welding flux; the second multilayer ceramic dielectric capacitor chip group comprises a third multilayer ceramic dielectric capacitor chip and a fourth multilayer ceramic dielectric capacitor chip which are welded in parallel through welding flux; the technical scheme that this patent literature provided has increased the whole capacity of condenser through forming the large capacity condenser with multilayer ceramic dielectric capacitor chip set series-parallel connection, has expanded condenser range of application, however, passes through pin connection between the multilayer ceramic dielectric capacitor chip set, and the integrated level is lower, fails three-dimensional structure space of make full use of, and the further promotion of the whole capacity of condenser receives the restriction.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a plate filter porcelain capacitor.

The utility model discloses a following technical scheme can realize.

The utility model provides a plate filter ceramic dielectric capacitor, including a plurality of diaphragm electrode subassemblies, a plurality of diaphragm electrode subassemblies are laminated together, diaphragm electrode subassembly includes ceramic diaphragm and a plurality of electrode slice to the at least two-layer ceramic diaphragm in interval between the adjacent two-layer electrode slice.

The membrane electrode assembly comprises two layers of ceramic membranes, and a plurality of electrode plates are clamped between the two layers of ceramic membranes.

The membrane electrode assembly comprises a layer of ceramic membrane, and a plurality of electrode plates are connected to the ceramic membrane in a load mode.

The membrane electrode assembly number is more than 3.

In each membrane electrode assembly, the projection of the electrode plate on the corresponding ceramic membrane is a regular hexagon or a circle.

Along the direction of stacking the plurality of membrane electrode assemblies, the overlapping parts of the plurality of electrode plates and the corresponding ceramic membranes which are overlapped with each other in position form a capacitor unit, and the capacitor unit is also provided with insertion holes penetrating through the upper end and the lower end of the capacitor unit.

In each membrane electrode assembly, a plurality of electrode sheets are arranged in a matrix array.

The electrode plate is also provided with a through hole, and the aperture of a corresponding jack on the capacitor unit to which the electrode plate belongs is smaller than that of the through hole.

The difference between the aperture of the jack and the aperture of the through hole is less than 150 micrometers.

The length of the overlapping area of the two adjacent electrode plates which are overlapped with each other in position along the stacking direction of the plurality of membrane electrode assemblies is not less than 100 micrometers.

The beneficial effects of the utility model reside in that: adopt the technical scheme of the utility model, laid a plurality of electric capacity units along ceramic diaphragm surface direction, also laid a plurality of electrode slices along ceramic diaphragm thickness direction, form energy storage space between the adjacent layer electrode slice, also be equivalent to the condenser, all laid a plurality of condensers on ceramic diaphragm surface direction and thickness direction promptly to make full use of three-dimensional space, improved the integrated level of condenser, be favorable to further promoting by a wide margin condenser whole capacity, further extension condenser's range of application.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of the present invention taken along the thickness direction of the ceramic diaphragm;

FIG. 3 is a cross-sectional view of a second embodiment of the present invention taken along the thickness direction of the ceramic diaphragm;

fig. 4 is a schematic projection view of the electrode plate of the present invention on the corresponding ceramic membrane;

fig. 5 is a plan view of the capacitor unit of the present invention.

In the figure: 1-membrane electrode assembly, 11-ceramic membrane, 12-electrode plate, 13-through hole, 2-capacitor unit and 21-jack.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 5, the utility model provides a plate filter ceramic capacitor, including a plurality of diaphragm electrode subassemblies 1, a plurality of diaphragm electrode subassemblies 1 are laminated together, and diaphragm electrode subassembly 1 includes ceramic diaphragm 11 and a plurality of electrode slice 12 to two-layer ceramic diaphragm 11 at least at the interval between adjacent two-layer electrode slice 12.

Adopt the technical scheme of the utility model, laid a plurality of electric capacity units along ceramic diaphragm surface direction, also laid a plurality of electrode slices along ceramic diaphragm thickness direction, form energy storage space between the adjacent layer electrode slice, also be equivalent to the condenser, all laid a plurality of condensers on ceramic diaphragm surface direction and thickness direction promptly to make full use of three-dimensional space, improved the integrated level of condenser, be favorable to further promoting by a wide margin condenser whole capacity, further extension condenser's range of application.

Further, the membrane electrode assembly 1 includes two ceramic membranes 11, and a plurality of electrode sheets 12 are sandwiched between the two ceramic membranes 11. The membrane electrode assembly 1 includes a layer of ceramic membrane 11, and a plurality of electrode tabs 12 are load-connected to the ceramic membrane 11. The number of membrane electrode assemblies 1 is 3 or more. Adopt the technical scheme of the utility model, ceramic diaphragm 11 plays the supporting role to electrode slice 12, makes diaphragm electrode subassembly 1 when production, and the corresponding conveying equipment of accessible is in continuous transport ceramic diaphragm 11, with a plurality of electrode slices 12 through final controlling element such as manipulators with a plurality of electrode slices 12 load connection on ceramic diaphragm 11 one by one, be favorable to realizing the extensive, automatic continuous production of diaphragm electrode subassembly 1, improve production efficiency, promote the uniformity of diaphragm electrode subassembly 1 product.

In addition, it is preferable that the projection of the electrode tab 12 on the corresponding ceramic membrane 11 in each membrane electrode assembly 1 be a regular hexagon or a circle. The overlapping portions of the plurality of electrode sheets 12 and the respective ceramic diaphragms 11, which are overlapped with each other in position, constitute a capacitor unit 2 along the direction in which the plurality of diaphragm electrode assemblies 1 are laminated, and the capacitor unit 2 is further provided with insertion holes 21 penetrating through the upper and lower ends thereof. Through setting up jack 21 at electric capacity unit 2, when using this board-like filtering ceramic capacitor, the accessible is inserted the contact pin on corresponding electric connector in the jack 21 in corresponding electric capacity unit 2, has made things convenient for the electric connection operation between this board-like filtering ceramic capacitor and its electronic component.

Further, it is preferable that in each membrane electrode assembly 1, the plurality of electrode sheets 12 are arranged in a matrix array. The electrode plate 12 is also provided with a through hole 13, and the aperture of a corresponding plug hole 21 on the capacitor unit 2 to which the electrode plate 12 belongs is smaller than that of the through hole 13. The difference between the aperture of the insertion hole 21 and the aperture of the through hole 13 is less than 150 μm. The length of the overlapping region of the adjacent two electrode sheets 12 overlapping each other in position is not less than 100 μm in the direction in which the plurality of membrane electrode assemblies 1 are stacked.

Claims

1. A plate-type filter ceramic capacitor is characterized in that: the membrane electrode assembly comprises a plurality of membrane electrode assemblies (1), wherein the membrane electrode assemblies (1) are laminated together, each membrane electrode assembly (1) comprises a ceramic membrane (11) and a plurality of electrode plates (12), and at least two layers of ceramic membranes (11) are arranged between every two adjacent layers of electrode plates (12) at intervals.

2. A plate filter ceramic capacitor according to claim 1, wherein: the membrane electrode assembly (1) comprises two layers of ceramic membranes (11), and a plurality of electrode plates (12) are clamped between the two layers of ceramic membranes (11).

3. The plate filter ceramic capacitor of claim 1, wherein: the membrane electrode assembly (1) comprises a layer of ceramic membrane (11), and a plurality of electrode plates (12) are connected to the ceramic membrane (11) in a load mode.

4. A plate filter ceramic capacitor according to any one of claims 1 to 3, wherein: the membrane electrode assemblies (1) are more than 3 layers.

5. A plate filter ceramic capacitor according to any one of claims 1 to 3, wherein: in each membrane electrode assembly (1), the projection of the electrode sheet (12) on the corresponding ceramic membrane (11) is a regular hexagon or a circle.

6. A plate filter ceramic capacitor according to any one of claims 1 to 3, wherein: along the direction of stacking a plurality of membrane electrode assemblies (1), a plurality of electrode plates (12) which are mutually overlapped in position and the overlapped part of the corresponding ceramic membrane (11) form a capacitor unit (2), and the capacitor unit (2) is also provided with insertion holes (21) penetrating through the upper end and the lower end of the capacitor unit.

7. A plate filter ceramic capacitor according to claim 6, wherein: in each membrane electrode assembly (1), a plurality of electrode sheets (12) are arranged in a matrix array.

8. A plate filter ceramic capacitor according to claim 6, wherein: the electrode plate (12) is also provided with a through hole (13), and the aperture of a corresponding jack (21) on the capacitor unit (2) to which the electrode plate (12) belongs is smaller than that of the through hole (13).

9. A plate filter ceramic capacitor according to claim 8, wherein: the difference between the aperture of the jack (21) and the aperture of the through hole (13) is less than 150 micrometers.

10. A plate filter ceramic capacitor according to claim 6, wherein: the length of the overlapping area of two adjacent electrode plates (12) which are overlapped with each other in position along the direction of laminating a plurality of membrane electrode assemblies (1) is not less than 100 micrometers.