Ultrahigh-voltage non-solid electrolyte tantalum capacitor

Abstract

The utility model discloses an ultrahigh-voltage non-solid electrolyte tantalum capacitor, which relates to the technical field of tantalum capacitors, and comprises two metal half shells and a combined tantalum capacitor positioned in the metal half shells, and further comprises an assembly limiting unit and a filling assembly which are arranged on the metal half shells, the assembly limiting unit comprises a frame-shaped sealing strip, an external thread half sleeve and a limiting sleeve, a rectangular frame groove is formed in the tangent plane of one metal half shell, and the frame-shaped sealing strip is fixedly arranged on the tangent plane of the other metal half shell and movably extends into the rectangular frame groove; the pouring assembly comprises a glue injection pipe, and a flow storage cavity is formed in the top end of the interior of one metal half shell. According to the utility model, the limiting sleeve is rotationally assembled to the peripheral surfaces of the two adjacent external thread half sleeves, the two metal half shells are fixed and limited by the limiting sleeve along with the external thread half sleeves, and the equipment is simple, convenient and stable to assemble and fix the metal shell of the combined tantalum capacitor.

Description

TECHNICAL FIELD

[0001] The utility model relates to tantalum capacitor technical field, especially in a kind of superhigh voltage non-solid electrolyte tantalum capacitor. BACKGROUND

[0002] At present, non-solid electrolyte tantalum capacitor has the characteristics of high voltage resistance, large energy density, small leakage current, etc., and the use of multiple air-tight tantalum housings encapsulates non-solid electrolyte tantalum capacitor using lead connection for series, parallel combination together encapsulated in metal shell, which can make the product realize high voltage, large capacity.

[0003] Disclosed (announced) No. CN115424864A discloses a small volume super large capacity non-solid electrolyte tantalum capacitor and its manufacturing method, comprising a metal shell, the metal shell is provided with a first fixing groove at front and rear ends, two groups of first fixing grooves are provided with fixing plates inside, the metal shell is provided with a second fixing groove at both sides, the second fixing groove is provided with a fixed end inside, and the metal shell is sequentially connected with a positive lead and a negative lead at one end; the small volume super large capacity non-solid electrolyte tantalum capacitor and its manufacturing method, by using high thermal conductivity and high and low temperature cycle characteristics of perfusion glue to perfusion seal internal components and PCB circuit board, perfusion glue needs to completely cover internal components, to achieve the effect of fixing internal components and preventing internal components from oxidizing and prolonging service life; by setting fixing plates and fixed ends inside the first fixing groove and the second fixing groove, by setting fixing holes, the stability of the product during use is increased.

[0004] The above scheme can achieve the effect of fixing internal components and preventing internal components from oxidizing and prolonging service life, but the metal shell needs multiple point by point fixing operation for limiting and closing non-solid electrolyte tantalum capacitor combined together in series and parallel, and the perfusion position of perfusion glue is also limited, therefore, we propose a superhigh voltage non-solid electrolyte tantalum capacitor. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a superhigh voltage non-solid electrolyte tantalum capacitor, which solves the problems of multiple point by point fixing operation for limiting and closing non-solid electrolyte tantalum capacitor combined together in series and parallel by the metal shell, and the perfusion position of perfusion glue is also limited by setting the assembly limiting unit and the perfusion assembly.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme: a superhigh voltage non-solid electrolyte tantalum capacitor, comprising two metal half shells and a combined tantalum capacitor located inside the metal half shell, further comprising: an assembly limiting unit and a perfusion assembly arranged on the metal half shell;

[0007] The assembling limiting unit comprises a frame-shaped sealing strip, an outer threaded half sleeve and a limiting sleeve, one of the metal half shells is provided with a rectangular frame slot, the frame-shaped sealing strip is fixedly arranged on the other metal half shell and movably extends into the rectangular frame slot, one outer threaded half sleeve is fixedly arranged on each of the opposite side surfaces of the metal half shell, and the limiting sleeve is assembled on the outer threaded half sleeves on the same side surface of the two metal half shells through internal threads.

[0008] The pouring assembly comprises a glue injection pipe, one of the metal half shells is provided with a flow storage cavity at the top end, the glue injection pipe is fixedly arranged at the center of the top surface of the metal half shell and is in communication with the flow storage cavity, and two groups of glue discharge holes are symmetrically arranged on the bottom surface of the flow storage cavity.

[0009] Preferably, the limiting sleeve is provided with two limiting sleeves and is arranged on the opposite side surfaces of the metal half shell.

[0010] Preferably, the combined tantalum capacitor is composed of a plurality of series and parallel combined tantalum capacitors, and the plurality of tantalum capacitors are equidistantly arranged in the metal half shell.

[0011] Preferably, the glue injection pipe and the outer threaded half sleeve are arranged perpendicularly.

[0012] Preferably, two soft wires extending to the outside are arranged on one side surface of the metal half shell.

[0013] Preferably, the combined tantalum capacitor is connected with a positive electrode lead and a negative electrode lead, and the positive electrode lead and the negative electrode lead are led out to the outside of the metal half shell through the reserved hole position through the soft wires.

[0014] Compared with the prior art, the ultrahigh-voltage non-solid electrolyte tantalum capacitor has the following beneficial effects:

[0015] 1. In the utility model, after the combined tantalum capacitor is placed in one of the metal half shells, the other metal half shell can be placed above the metal half shell, the frame-shaped sealing strip can be arranged in the rectangular frame slot to help the two combined tantalum capacitors to be sealed and combined, the outer threaded half sleeves on the two metal half shells are close to each other, the limiting sleeve is assembled on the outer peripheral surfaces of the two close outer threaded half sleeves, and the two metal half shells are fixed and limited by the limiting sleeve following the outer threaded half sleeves, so that the metal shell of the combined tantalum capacitor is assembled and fixed simply and stably.

[0016] 2. The utility model discloses a pouring assembly is set up, and after two metal half housings are assembled and limited, the pouring glue of outside can be introduced into the storage flow cavity of the top end of metal half housing through the glue injection pipe of the top center of metal half housing, and two groups of dispersed glue holes of the bottom surface of storage flow cavity are symmetrically set up and can cooperate pouring glue and disperse and flow to the interval of metal half housing to carry out pouring glue filling operation to the gap of combined tantalum capacitor and metal half housing, and the operation speed is improved fully. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing make a simple introduction, obviously, the following description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the whole structure schematic diagram of a kind of ultrahigh pressure non-solid electrolyte tantalum capacitor of the utility model;

[0019] Figure 2 It is the overhead structure schematic diagram of a kind of ultrahigh pressure non-solid electrolyte tantalum capacitor of the utility model;

[0020] Figure 3 It is the utility model Figure 2 A-A place sectional structure schematic diagram in;

[0021] Figure 4 It is the utility model Figure 2 B-B place sectional structure schematic diagram in;

[0022] Figure 5 It is the utility model Figure 3 C-C place sectional structure schematic diagram in.

[0023] In the drawing, the component list represented by each mark is as follows:

[0024] 1, metal half housing;

[0025] 2, combined tantalum capacitor;

[0026] 3, assembly limiting unit;301, frame-shaped sealing strip;302, external thread half sleeve;303, limiting sleeve;

[0027] 4, pouring assembly;401, storage flow cavity;402, glue injection pipe;403, dispersed glue hole;

[0028] 5, soft wire;

[0029] 6, positive electrode lead;

[0030] 7. A negative lead. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0032] In the description of the utility model, it should be pointed out that the directions or position relationships indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" are based on the directions or position relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. Embodiment one

[0034] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 5 , an ultrahigh-voltage non-solid electrolyte tantalum capacitor comprises two metal half shells 1 and a combined tantalum capacitor 2 located inside the metal half shells 1, and further comprises an assembly limiting unit 3 and a pouring assembly 4 arranged on the metal half shells 1.

[0035] The assembly limiting unit 3 comprises a frame-shaped sealing strip 301, an outer threaded half sleeve 302 and a limiting sleeve 303, one of the metal half shells 1 is provided with a rectangular frame groove on the section, the frame-shaped sealing strip 301 is fixedly arranged on the section of the other metal half shell 1 and movably extends into the rectangular frame groove, and each metal half shell 1 is respectively provided with an outer threaded half sleeve 302 on the opposite two side surfaces, and the limiting sleeve 303 is assembled on the two outer threaded half sleeves 302 on the same side surface of the two metal half shells 1 through internal threads.

[0036] The perfusion assembly 4 comprises a glue injection pipe 402, one of the metal half shells 1 is provided with a flow storage cavity 401 at the top end, the glue injection pipe 402 is fixedly arranged at the center of the top surface of the metal half shell 1, and the glue injection pipe 402 is in communication with the flow storage cavity 401, and two groups of glue distribution holes 403 are symmetrically arranged at the bottom surface of the flow storage cavity 401.

[0037] Further, the limiting sleeve 303 is provided with two and arranged on the opposite two side surfaces of the metal half shell 1.

[0038] Further, the combined tantalum capacitor 2 is composed of a plurality of series and parallel connected tantalum capacitors, and the plurality of tantalum capacitors are equidistantly arranged in the metal half shell 1.

[0039] Further, two soft wires 5 extending to the outside are arranged on one side surface of the metal half shell 1.

[0040] Further, the combined tantalum capacitor 2 is connected with a positive lead wire 6 and a negative lead wire 7, and the positive lead wire 6 and the negative lead wire 7 are led out to the outside of the metal half shell 1 through the soft wires 5 and the reserved hole positions.

[0041] Through the assembly limiting unit 3, the assembly and fixation of the metal shell of the combined tantalum capacitor 2 are simple, stable and convenient. Embodiment two

[0042] As shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , a super-high-voltage non-solid electrolyte tantalum capacitor comprises two metal half shells 1 and a combined tantalum capacitor 2 arranged in the metal half shell 1, and further comprises an assembly limiting unit 3 and a perfusion assembly 4 arranged on the metal half shell 1.

[0043] The assembly limiting unit 3 comprises a frame-shaped sealing strip 301, an outer threaded half sleeve 302 and a limiting sleeve 303, one of the metal half shells 1 is provided with a rectangular frame groove at the section, the frame-shaped sealing strip 301 is fixedly arranged on the section of the other metal half shell 1 and movably extends into the rectangular frame groove, and one outer threaded half sleeve 302 is fixedly arranged on each of the opposite two side surfaces of the metal half shell 1, and the limiting sleeve 303 is assembled on the two outer threaded half sleeves 302 on the same side surface of the two metal half shells 1 through internal threads.

[0044] The perfusion assembly 4 comprises a glue injection pipe 402, one of the metal half shells 1 is provided with a flow storage cavity 401 at the top end, the glue injection pipe 402 is fixedly arranged at the center of the top surface of the metal half shell 1, and the glue injection pipe 402 is in communication with the flow storage cavity 401, and two groups of glue distribution holes 403 are symmetrically arranged at the bottom surface of the flow storage cavity 401.

[0045] Further, the combined tantalum capacitor 2 is composed of several series and parallel tantalum capacitors, and the tantalum capacitors are equidistantly arranged in the metal half shell 1.

[0046] Further, the glue injection pipe 402 is arranged perpendicularly to the external thread half sleeve 302.

[0047] Further, two soft wires 5 extending to the outside are arranged on one side surface of the metal half shell 1.

[0048] Further, the combined tantalum capacitor 2 is connected with a positive electrode lead wire 6 and a negative electrode lead wire 7, and the positive electrode lead wire 6 and the negative electrode lead wire 7 are led out to the outside of the metal half shell 1 through the soft wires 5.

[0049] The glue injection position of the device is improved by the glue injection assembly 4, so that the operation speed is improved.

[0050] The working principle of the utility model is as follows:

[0051] After the combined tantalum capacitor 2 is arranged in one of the metal half shells 1, the other metal half shell 1 is arranged above the metal half shell 1, the frame-shaped sealing strip 301 is arranged in the rectangular frame groove to help the two combined tantalum capacitors 2 to be sealed and combined, the external thread half sleeves 302 on the two metal half shells 1 are close to each other, the limiting sleeve 303 is rotated and assembled on the outer circumferential surfaces of the two close external thread half sleeves 302, the two metal half shells 1 are fixed and limited by the limiting sleeve 303, the glue injection pipe 402 arranged on the top surface of the metal half shell 1 is used to guide the glue in the storage cavity 401 at the top end of the metal half shell 1, and the two groups of dispersed glue holes 403 symmetrically arranged on the bottom surface of the storage cavity 401 are used to cooperate with the glue to flow out to the interval between the combined tantalum capacitor 2 and the metal half shell 1, so that the interval between the combined tantalum capacitor 2 and the metal half shell 1 is filled with glue.

[0052] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and the description in the specification are only used to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An ultrahigh voltage non-solid electrolyte tantalum capacitor comprising two metal half-casings (1) and a combined tantalum capacitor (2) located inside the metal half-casings (1), characterized in that, Also include: The assembly limiting unit (3) and the pouring assembly (4) are arranged on the metal half shell (1); The assembly limiting unit (3) includes a frame-shaped sealing strip (301), an outer threaded half sleeve (302) and a limiting sleeve (303), wherein one of the metal half shells (1) is provided with a rectangular frame slot on the section surface, the frame-shaped sealing strip (301) is fixedly arranged on the section surface of the other metal half shell (1) and movably extends into the rectangular frame slot, and each metal half shell (1) is respectively provided with an outer threaded half sleeve (302) on the opposite two side surfaces, and the limiting sleeve (303) is assembled on the two outer threaded half sleeves (302) on the same side surface of the two metal half shells (1) through internal threads; The pouring assembly (4) includes a glue injection pipe (402), wherein the inside top end of one of the metal half shells (1) is provided with a flow storage cavity (401), the glue injection pipe (402) is fixedly arranged at the center of the top surface of the metal half shell (1), and the glue injection pipe (402) is in communication with the flow storage cavity (401), and the bottom surface of the flow storage cavity (401) is symmetrically provided with two groups of dispersed glue holes (403).

2. An ultra-high voltage non-solid electrolyte tantalum capacitor according to claim 1, characterized by: The limiting sleeve (303) is provided with two limiting sleeves and is located on the opposite two side surfaces of the metal half shell (1).

3. The ultra-high voltage non-solid electrolyte tantalum capacitor according to claim 1, wherein: The combined tantalum capacitor (2) is composed of a plurality of series and parallel connected tantalum capacitors, and the plurality of tantalum capacitors are equidistantly arranged in the metal half shell (1).

4. The ultra-high voltage non-solid electrolyte tantalum capacitor of claim 1, wherein: The glue injection pipe (402) and the outer threaded half sleeve (302) are arranged perpendicular to each other.

5. The ultra-high voltage non-solid electrolyte tantalum capacitor of claim 1, wherein: One side surface of one of the metal half shells (1) is embedded with two soft wires (5) extending to the outside.

6. An ultra-high voltage non-solid electrolyte tantalum capacitor according to claim 5, wherein: The combined tantalum capacitor (2) is connected with a positive electrode lead (6) and a negative electrode lead (7), and the positive electrode lead (6) and the negative electrode lead (7) are led out to the outside of the metal half shell (1) through the soft wires (5) and the reserved hole positions.

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