Anti-corrosion capacitor

Abstract

The utility model relates to the technical field of capacitors, and discloses an anti-corrosion capacitor which comprises a protective sleeve, both ends of the protective sleeve are provided with sockets, the inner side of the protective sleeve is slidably connected with a shell, both ends of the shell are fixedly connected with connecting pieces, and the outer walls of the two connecting pieces are slidably connected to the inner sides of the sockets. The outer wall of the protective sleeve is provided with a seam, the outer wall of the protective sleeve is provided with a sealing assembly, the inner side of the shell is provided with a capacitor mechanism, the capacitor mechanism comprises a polyester layer, the outer wall of the polyester layer is fixedly connected to the inner side of the shell, and the inner side of the polyester layer is fixedly connected with a metal film. The bottoms of the two connecting pieces are fixedly connected with wires. According to the utility model, the cylindrical protective sleeve is made of a special epoxy resin material, so that the capacitor shell is completely wrapped and sealed, and the capacitor layer of which the length of the metal film is smaller than that of the polyester layer is designed, so that the corrosion resistance of the capacitor shell is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor technical field especially relates to a kind of anticorrosive capacitor. BACKGROUND

[0002] Capacitor as basic electronic component, plays the important role of blocking direct current and passing alternating current in circuit, with the continuous development of automation technology, capacitor application scene is increasingly widespread, but also faces more severe working environment, such as high temperature, high humidity and corrosive gas.

[0003] Through retrieval, China patent publication No. CN219842891U discloses a capacitor, capacitor includes: shell, with mutually communicating containing cavity and installation mouth;Cover assembly, cover is arranged at installation mouth, cover assembly includes cover plate and sleeve pipe arranged on cover plate, two ends of sleeve pipe are provided with terminal and conductive copper wire respectively;Capacitor body, is arranged in shell, capacitor body includes core and insulating layer coated on core, core lead of core is connected with conductive copper wire;Insulating assembly, at least a part of insulating assembly is arranged between capacitor body and shell, at least a part of insulating assembly is arranged between cover plate and capacitor body, at least a part of insulating assembly is sleeved on core lead and conductive copper wire outside;Impregnant, is arranged in shell, so that capacitor body is immersed in impregnant;Wherein, terminal is provided with equalizing ring, the utility model effectively solves the problem of poor insulation reliability of capacitor in prior art, but capacitor shell is exposed to high temperature, high humidity and corrosive gas environment in actual use, and corrosion is easy to occur, thereby affecting the normal work of circuit, shortening the service life of circuit and capacitor. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides an anticorrosive capacitor, aims at improving the problem that capacitor shell is easy to corrode in harsh environment in the prior art, thereby affecting the normal work of circuit, shortening the service life of circuit and capacitor.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: an anticorrosive capacitor, including protective sleeve, the both ends of the protective sleeve are provided with the socket, the inner side of the protective sleeve is slidably connected with the shell, the both ends of the shell are fixedly connected with the connecting piece, the outer wall of the two connecting pieces is slidably connected in the inner side of the socket, the outer wall of the protective sleeve is provided with the joint opening, the outer wall of the protective sleeve is provided with the sealing assembly, the inner side of the shell is provided with the capacitor mechanism.

[0006] Through the above technical scheme: socket is arranged at the both ends of protective sleeve, which provides a connecting and passing channel for connecting piece, so that the capacitor can be effectively connected with external circuit, and the tight wrapping and protection of protective sleeve on shell enhance its anticorrosion effect.

[0007] As a further description of the above technical solutions:

[0008] The capacitor mechanism comprises a polyester layer, the outer wall of the polyester layer is fixedly connected to the inner side of the shell, the inner side of the polyester layer is fixedly connected with a metal film, the bottom of each of the two connecting pieces is fixedly connected with a wire, and the inner side of each of the two wires is provided with a zinc-aluminum alloy.

[0009] Through the above technical solutions: the longer polyester layer is arranged to wrap the metal film, thereby providing good protection for the inside of the capacitor, and the zinc-aluminum alloy is used to make the wire, thereby enhancing the conductivity of the capacitor.

[0010] As a further description of the above technical solutions:

[0011] The sealing assembly comprises a sealing glue I, and the sealing glue I is fixedly connected to the outer wall of the protective sleeve.

[0012] Through the above technical solutions: the sealing glue I 5 is used to seal the socket 4 and the connecting piece 7, thereby improving the sealing effect and preventing corrosive substances from entering.

[0013] As a further description of the above technical solutions:

[0014] The two ends of the protective sleeve are fixedly connected with a sealing glue II, and the sealing glue II is arranged on the inner side of the socket.

[0015] Through the above technical solutions: the sealing glue II 6 is used to seal the joint opening 13 of the protective sleeve 1, thereby ensuring the sealing of the entire capacitor.

[0016] As a further description of the above technical solutions:

[0017] The two connecting pieces are fixedly connected with lead wires at the sides away from each other, and the two lead wires are fixedly connected at the sides adjacent to each other to the two wires at the sides away from each other.

[0018] Through the above technical solutions: the lead wires are used to connect external components and the inside of the capacitor.

[0019] As a further description of the above technical solutions:

[0020] The outer walls of the two lead wires are fixedly connected with sealing rings, and the outer walls of the two sealing rings are fixedly connected to the inner sides of the connecting pieces.

[0021] Through the above technical solutions: the sealing rings are used to prevent pollutants in the external environment from entering the inside of the lead wires 8, thereby protecting the safe operation of the lead wires 8.

[0022] As a further description of the above technical solutions:

[0023] The bottom of the top wire is fixedly connected with a metal plate one, and the top of the bottom wire is fixedly connected with a metal plate two.

[0024] Through the above technical scheme, the metal plate one and the metal plate two are connected with the wires at both ends, forming an electric field.

[0025] As a further description of the above technical scheme:

[0026] The front side of the metal plate one is fixedly connected with a dielectric, and the front side of the dielectric is fixedly connected to the rear side of the metal plate two.

[0027] Through the above technical scheme: the dielectric is a non-conductive substance, which can prevent the current from passing directly, but can store electric charges under the action of an electric field.

[0028] The utility model has the following beneficial effects:

[0029] 1、The utility model discloses a cylindrical protective sleeve made of special epoxy resin material, and a socket is designed to adapt to the capacitor shell and the connecting piece, realizing overall wrapping and sealing. Corrosion-resistant sealant two is used to seal the interface between the socket and the connecting piece, and sealant one is used to store the joint of the protective sleeve, providing double protection, effectively preventing the invasion of corrosive substances, greatly prolonging the service life of the capacitor, and being suitable for harsh corrosive environments.

[0030] 2、The utility model discloses a capacitor layer with a metal film whose length is less than that of the polyester layer, and a conductive layer made of zinc-aluminum alloy, which not only increases the difficulty of corrosive substances reaching the metal film and improves corrosion resistance, but also efficiently conducts current and improves the performance of the capacitor. DRAWINGS

[0031] Figure 1 A three-dimensional schematic view of the anti-corrosion capacitor is provided.

[0032] Figure 2 A sectional view of the anti-corrosion capacitor is provided.

[0033] Figure 3 A structure schematic view of the protective sleeve of the anti-corrosion capacitor is provided.

[0034] Figure 4 A structure schematic view of the capacitor mechanism of the anti-corrosion capacitor is provided.

[0035] Figure 5 A split view of the anti-corrosion capacitor is provided.

[0036] Figure 6 A Figure 3 A zoomed-in view of position A in the middle.

[0037] Legend:

[0038] 1. Protective sleeve; 2. Capacitor mechanism; 201. Polyester layer; 202. Metal film; 203. Wire; 204. Zinc-aluminum alloy; 3. Housing; 4. Socket; 5. Sealant 1; 6. Sealant 2; 7. Connector; 8. Lead wire; 9. Sealing ring; 10. Metal plate 1; 11. Metal plate 2; 12. Dielectric; 13. Seam. Detailed Implementation

[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0040] See attached document Figure 2 Appendix Figure 3 and attached Figure 6 The present invention provides an embodiment of an anti-corrosion capacitor, comprising a protective sleeve 1, with sockets 4 at both ends of the protective sleeve 1, a housing 3 slidably connected to the inner side of the protective sleeve 1, connectors 7 fixedly connected to both ends of the housing 3, the outer walls of the two connectors 7 slidably connected to the inner side of the sockets 4, a seam opening 13 on the outer wall of the protective sleeve 1, a sealing assembly provided on the outer wall of the protective sleeve 1, and a capacitor mechanism 2 provided on the inner side of the housing 3; the sealing assembly includes a first sealant 5, which is fixedly connected to the outer wall of the protective sleeve 1; and a second sealant 6 fixedly connected to both ends of the protective sleeve 1, which is disposed on the inner side of the sockets 4;

[0041] Specifically, the protective sleeve 1 is made of epoxy resin material with excellent corrosion resistance, which significantly improves the corrosion resistance of the capacitor in harsh environments and extends the service life of the capacitor. By using sealant 5 to seal the socket 4 and the connector 7, and using sealant 6 to seal the seam 13 of the protective sleeve 1, the sealing effect is improved and corrosive substances are prevented from entering.

[0042] See attached document Figure 4 and attached Figure 5The utility model provides an embodiment provided by the utility model discloses a kind of capacitor mechanism 2: capacitor mechanism 2 includes polyester layer 201, the outer wall of polyester layer 201 is fixedly connected in the inside of shell 3, the inside of polyester layer 201 is fixedly connected with metal film 202, the bottom of two connecting pieces 7 is fixedly connected with wire 203, the inside of two wires 203 is provided with zinc-aluminum alloy 204;The bottom of top wire 203 is fixedly connected with metal plate one 10, the top of bottom wire 203 is fixedly connected with metal plate two 11;The front side of metal plate one 10 is fixedly connected with dielectric 12, dielectric 12 is fixedly connected in the rear side of metal plate two 11;

[0043] Specifically, the length of the metal film 202 in the capacitor layer is less than the polyester layer 201, which enhances the corrosion resistance of the capacitor, the wire 203 provided with the zinc-aluminum alloy 204 enhances the conductivity of the wire 203, improves the overall efficiency of the capacitor, and the dielectric 12 is arranged between the metal plate one 10 and the metal plate two 11 to isolate the electric field and prevent the leakage of electric charge.

[0044] Refer to the attached Figure 1 The utility model provides an embodiment: the side of two connecting pieces 7 is fixedly connected with lead 8, and the adjacent end of two lead 8 is fixedly connected in the side of two wires 203 far away from each other;The outer wall of two lead 8 is fixedly connected with sealing ring 9, and the outer wall of two sealing rings 9 is fixedly connected in the inside of connecting piece 7.

[0045] Specifically, the wire 203 and the lead 8 are connected through the connecting piece 7 to improve the stability of the entire structure and effectively reduce the risk of failure caused by poor connection, the sealing ring 9 is arranged on the outer wall of the lead 8 to prevent pollutants in the external environment from entering the inside of the lead 8, thereby protecting the safe operation of the lead 8, and also preventing structural failure caused by loosening of the connecting piece 7.

[0046] Working principle: first use special epoxy resin material using mold forming production cylindrical protective sleeve 1, and in the both ends of protective sleeve 1 open socket 4, capacitor shell 3 is inserted into protective sleeve 1, ensure that protective sleeve 1 completely wrap shell 3, the socket 4 of protective sleeve 1 both ends and the connecting piece 7 of shell 3 both ends are connected, using anticorrosive sealant two 6 seal its connection interface, finally the joint port 13 of protective sleeve 1 is stored using sealant one 5, ensure that the whole capacitor is sealed, prevent corrosive substance intrusion, and through polyester layer 201 and metal film 202 form two capacitor layers of capacitor, at the same time set the length of metal film 202 is less than the length of polyester layer 201, corrosive substance when contact capacitor layer, first have to go through longer polyester layer 201, this increases the path and difficulty of corrosive substance to reach metal film 202, to form a kind of special structure to improve corrosion resistance, current through the wire 203 made of zinc-aluminum alloy 204 is respectively transmitted to metal plate one 10 and metal plate two 11, through dielectric 12 store electric charge.

[0047] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A corrosion-proof capacitor comprising a protective sleeve (1), characterized in that: Both ends of the protective sleeve (1) are provided with sockets (4), the inner side of the protective sleeve (1) is slidably connected with a shell (3), both ends of the shell (3) are fixedly connected with connecting pieces (7), the outer walls of the two connecting pieces (7) are slidably connected on the inner side of the socket (4), the outer wall of the protective sleeve (1) is provided with a joint opening (13), the outer wall of the protective sleeve (1) is provided with a sealing assembly, and the inner side of the shell (3) is provided with a capacitor mechanism (2).

2. A corrosion-proof capacitor according to claim 1, characterized in that: The capacitor mechanism (2) comprises a polyester layer (201), the outer wall of the polyester layer (201) is fixedly connected on the inner side of the shell (3), the inner side of the polyester layer (201) is fixedly connected with a metal film (202), the bottoms of the two connecting pieces (7) are fixedly connected with wires (203), and the inner sides of the two wires (203) are provided with zinc-aluminum alloys (204).

3. A corrosion-proof capacitor according to claim 1, characterized in that: The sealing assembly comprises a sealing glue one (5), which is fixedly connected to the outer wall of the protective sleeve (1).

4. The corrosion-proof capacitor of claim 1, wherein: Both ends of the protective sleeve (1) are fixedly connected with sealing glue two (6), and the sealing glue two (6) is arranged on the inner side of the socket (4).

5. A corrosion-proof capacitor according to claim 2, characterized in that: The opposite sides of the two connecting pieces (7) are fixedly connected with lead wires (8), and the opposite ends of the two lead wires (8) are fixedly connected with the opposite ends of the two wires (203).

6. A corrosion-proof capacitor according to claim 5, characterized in that: The outer walls of the two lead wires (8) are fixedly connected with sealing rings (9), and the outer walls of the two sealing rings (9) are fixedly connected on the inner sides of the connecting pieces (7).

7. A corrosion-proof capacitor according to claim 2, characterized in that: The bottom of the top wire (203) is fixedly connected with a metal plate one (10), and the top of the bottom wire (203) is fixedly connected with a metal plate two (11).

8. A corrosion-proof capacitor according to claim 7, characterized in that: The front side of the metal plate one (10) is fixedly connected with a dielectric (12), and the front side of the dielectric (12) is fixedly connected on the rear side of the metal plate two (11).

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