Chip capacitor voltage withstanding structure

Abstract

The utility model discloses a chip capacitor voltage withstanding structure which comprises a main body. A dielectric body and an inner electrode are arranged in the main body; the top protection structure comprises a protection outer layer and a heat conduction buffer layer from top to bottom; the metal connecting ends are positioned at two ends of the main body and wrap the main body; the upper ends of the metal connecting ends exceed the top surface of the main body, and protective strips are convexly arranged at the upper ends of the metal connecting ends; the end protection structures are located in the opposite side faces of the metal connecting ends and make contact with the two ends of the body. According to the utility model, the compression resistance and pressure resistance of the main body are improved, the main body is not easily damaged by stress in the production link, the storage link, the installation link and the like, and the practicability is strong.

Description

TECHNICAL FIELD

[0001] The utility model relates to patch capacitor technical field, specifically point to a kind of patch capacitor voltage withstanding structure. BACKGROUND

[0002] Patch capacitor is a kind of capacitor material, also called multilayer chip capacitor, is currently used larger commonly used element, mainly used to store charge and energy in circuit, and filter and stabilize voltage signal. Patch capacitor plays a vital role in electronic equipment, and its application is widespread, including communication equipment, computer, power system, wireless communication equipment, and the quality of patch capacitor is crucial to ensure the stability and service life of electronic equipment.

[0003] During the installation process of patch capacitor, it needs to be placed in the appropriate position of the circuit board by hand or using tweezers, and then the pin is welded. In this process, if the physical force applied is too large, it is easy to cause the main body of the patch capacitor to deform, affecting the stability of the capacitor work. In the prior art, except that the hardness of the ceramic shell is relatively large, the remaining material capacitor shell has low voltage resistance, and the brittleness of the ceramic shell is large, which is easy to crack under stress. Therefore, there is room for technical improvement. UTILITY MODEL CONTENT

[0004] The utility model solves the above-mentioned technical problem that the physical force applied during installation is too large, which easily causes the main body of the patch capacitor to deform and affects the stability of the capacitor work, and provides a patch capacitor voltage withstanding structure.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a patch capacitor voltage withstanding structure, comprising a main body; the main body comprises a dielectric body and an inner electrode; further comprising:

[0006] A top protection structure is located on the upper end face of the main body and comprises a protective outer layer and a heat-conducting buffer layer from top to bottom.

[0007] Metal connecting ends are located at both ends of the main body and wrap the main body. The lower ends of the metal connecting ends protrude beyond the bottom surface of the main body and are welded to the circuit board. The upper ends of the metal connecting ends protrude beyond the top surface of the main body, and the upper ends are provided with protective strips.

[0008] An end protection structure is located inside the opposite side faces of the metal connecting ends and contacts both ends of the main body, and comprises a partition frame, and the side face of the partition frame is provided with a plurality of flexible pads.

[0009] Further, the protective outer layer is made of metal material, and the heat-conducting buffer layer is made of heat-conducting silica gel material.

[0010] Further, the protective strip comprises three layers, wherein the upper and lower layers are made of hard material, and the middle layer is made of silica gel material.

[0011] Further, the metal connecting end is provided with an installation groove capable of accommodating the protective strip, and the depth of the installation groove is less than the thickness of the protective strip

[0012] Further, the flexible pad is made of a composite conductive material

[0013] Further, the partition frame is in the form of a rectangular frame, and a rectangular through groove is arranged at the end of the partition frame; the partition frame is in extrusion contact with the outer side of the end of the main body.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The metal connecting end for connecting the main body and the circuit board is provided in a protruding form, so that the main body is lower than the metal connecting end in the horizontal plane, and the metal connecting end has a good protective effect on the main body.

[0016] The upper end of the main body is provided with a protective outer layer and a heat-conducting buffer layer, and the heat-conducting buffer layer is deformed to form a buffer when stressed without affecting the heat dissipation of the main body; in addition, a rectangular partition frame is arranged at the two ends of the main body to provide limiting for the main body, and the rectangular through groove of the partition frame provides a heat deformation space for the main body, so that the overall heat dissipation and heat resistance are good, and the probability of the main body being stressed due to deformation caused by heat is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the utility model.

[0018] Figure 2 is a structural schematic diagram of the metal connecting end and the protective strip of the utility model.

[0019] Figure 3 is a structural schematic diagram of the main body of the utility model.

[0020] Figure 4 is a structural schematic diagram of the partition frame of the utility model.

[0021] As shown in the drawings: 1, main body, 2, dielectric body, 3, inner electrode, 4, protective outer layer, 5, heat-conducting buffer layer, 6, metal connecting end, 7, protective strip, 8, installation groove, 9, partition frame, 10, flexible pad. DETAILED DESCRIPTION

[0022] The utility model will be further described in detail in combination with the drawings.

[0023] Example one, in combination with the drawings Figure 1 , 3 A patch capacitor voltage-resistant structure, comprising a main body 1; the main body 1 includes a dielectric body 2 and an inner electrode 3;

[0024] The top protection structure is located on the upper end surface of the main body 1 and comprises, from top to bottom, a protective outer layer 4 and a heat-conducting buffer layer 5; the protective outer layer 4 is made of metal, and the heat-conducting buffer layer 5 is made of heat-conducting silica gel; the heat-conducting silica gel can conduct the heat generated by the main body 1 to the protective outer layer 4 and dissipate the heat, thereby avoiding affecting the heat dissipation of the main body 1 while forming protection;

[0025] The accompanying drawings are referred to in the description of the embodiments. Figure 1 、 2 The metal connecting end 6 is located at both ends of the main body 1 and wraps the main body 1; the lower end of the metal connecting end 6 protrudes beyond the bottom surface of the main body 1 and is welded to the circuit board; the metal connecting end 6 can be installed at the corresponding position of the circuit board; the lower end of the metal connecting end 6 protruding beyond the bottom surface of the main body 1 can enable the main body 1 to be lifted and reduce external forces conducted from the circuit board;

[0026] In addition, the upper end of the metal connecting end 6 protrudes beyond the top surface of the main body 1, so that the main body is lower than the metal connecting end in the horizontal plane, thereby the metal connecting end provides good protection for the main body, and the upper end of the metal connecting end is protrudingly provided with a protective strip 7; the protective strip 7 comprises three layers, wherein the upper and lower layers are made of hard material, and the middle layer is made of silica gel material; the protruding type enables the force at the upper end to be first conducted to the protective strip 7 and then absorbed and buffered by the silica gel material in the middle layer, thereby reducing the impact on the metal connecting end 6;

[0027] In the above structure, the metal connecting end 6 is provided with a mounting groove 8 capable of accommodating the protective strip 7, and the depth of the mounting groove 8 is less than the thickness of the protective strip 7, thereby facilitating the accommodation and installation of the protective strip 7;

[0028] The accompanying drawings are referred to in the description of the embodiments. Figure 1 、 2 , 4, the end protection structure is located inside the opposite side surfaces of the metal connecting end 6 and contacts both ends of the main body 1; the end protection structure comprises a partition 9 in the form of a rectangular frame, wherein a rectangular through slot is provided at one end; the partition 9 is in extrusion contact with the outer side of the end of the main body 1; and the side surface of the partition 9 close to the main body 1 is provided with a plurality of flexible pads 10 made of composite conductive material; in the above structure, the partition 9 is located between the inner side of the main body 1 and the metal connecting end 6, and forms flexible extrusion with the main body 1 through the flexible pads 10, thereby reducing external forces conducted from the metal connecting end 6 and protecting the main body 1;

[0029] In the above embodiments, the compression resistance and pressure resistance of the main body are greatly improved through multiple structures, and the main body is not easily damaged by external forces in the production, storage and installation links, thereby having high practicability.

[0030] The above has described the utility model and its implementation mode, which is not restrictive, and the drawings only show one of the implementation modes of the utility model, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are not creatively designed, which should belong to the protection scope of the utility model.

Claims

1. A patch capacitor voltage withstanding structure comprising a main body (1); characterized in that: The main body (1) includes a dielectric body (2) and an inner electrode (3); further comprising: A top protection structure; located on the upper end surface of the main body (1), including a protective outer layer (4), a heat-conducting buffer layer (5) from top to bottom; Metallic connecting ends (6); located at both ends of the main body (1) and wrapping the main body (1); the lower end of the metallic connecting end (6) exceeds the bottom surface of the main body (1) and is welded with the circuit board; the upper end of the metallic connecting end (6) exceeds the top surface of the main body (1) and is provided with a protective strip (7) protruding at the upper end; An end protection structure; located inside the opposite side of the metallic connecting end (6) and in contact with both ends of the main body (1); including a partition (9), which is provided with a plurality of flexible pads (10) close to the side surface of the main body (1).

2. The patch capacitor voltage withstanding structure according to claim 1, wherein: The protective outer layer (4) is made of metal material; the heat-conducting buffer layer (5) is made of heat-conducting silica gel material.

3. The patch capacitor voltage withstanding structure according to claim 1, wherein: The protective strip (7) includes three layers, wherein the upper and lower layers are hard materials, and the middle layer is a silica gel material.

4. The patch capacitor voltage withstanding structure according to claim 3, wherein: The metallic connecting end (6) is provided with a mounting groove (8) capable of accommodating the protective strip (7), and the depth of the mounting groove (8) is less than the thickness of the protective strip (7).

5. The patch capacitor voltage withstanding structure according to claim 1, wherein: The flexible pad (10) is made of composite conductive material.

6. The patch capacitor voltage withstanding structure according to claim 1, wherein: The partition (9) is in the form of a rectangular frame, and a rectangular through slot is provided at one end; the partition (9) is in extrusion contact with the outer side of the end of the main body (1).

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