CN218631677U - High temperature resistant dry-type capacitor - Google Patents

Abstract

The utility model relates to a condenser technical field just discloses a high temperature resistance dry-type capacitor, including casing, electric capacity core, positive lead wire and negative lead wire, electric capacity core fixed connection is in the inside of casing, positive lead wire and negative lead wire respectively fixed connection be in the top of electric capacity core and extend to the outside of casing, the inside packing of casing is provided with the block rubber, electric capacity core parcel sets up the inside at the block rubber, a plurality of fin of fixedly connected with on the lateral wall of electric capacity core, the casing is located a plurality of heating panels of inner wall fixedly connected with of fin, the cavity has been seted up to the inside of heating panel, the inside that the casing is located the cavity is provided with heat dissipation mechanism. The utility model discloses the knot can in time be with the inside heat conduction to the outside of condenser that produces of condenser, reduces thermal piling up, improves the high temperature resistant ability of condenser.

Description

A high temperature resistant dry capacitor

technical field

The utility model relates to the technical field of capacitors, in particular to a high temperature resistant dry capacitor.

Background technique

A capacitor is a device that holds charges. It is composed of two conductors close to each other with a layer of non-conductive insulating medium in the middle. Capacitors are one of the electronic components widely used in electronic equipment. , coupling, bypass, filtering, tuning loop, energy conversion, control, etc.

In the prior art, in order to ensure the use of the capacitor during the use of the dry capacitor, the inside of the capacitor will be in a sealed state, resulting in poor heat dissipation effect of the capacitor. If heat accumulates inside the capacitor, the inside of the capacitor will expand. , affecting the safety of capacitor use.

Utility model content

The purpose of this utility model is to solve the problem in the prior art that the inside of the capacitor is in a sealed state when it is used, which will affect the effect. If heat is accumulated inside the capacitor, it will cause the inside of the capacitor to expand, thereby affecting the use of the capacitor. A high temperature resistant dry capacitor is proposed.

In order to achieve the above object, the utility model adopts the following technical solutions:

A high temperature resistant dry capacitor, comprising a shell, a capacitor core, a positive lead and a negative lead, the capacitor core is fixedly connected inside the shell, and the positive lead and the negative lead are respectively fixedly connected to the capacitor core The top end of the casing extends to the outside of the casing, the inside of the casing is filled with rubber blocks, the capacitor core is wrapped inside the rubber block, and the side walls of the capacitor core are fixedly connected with a plurality of heat sinks The housing is located on the inner wall of the heat sink and is fixedly connected with a plurality of heat dissipation plates. A cavity is opened inside the heat dissipation plate, and a heat dissipation mechanism is arranged inside the cavity.

Preferably, the heat dissipation mechanism includes a heat dissipation pipe, a split pipe and a heat dissipation wire, the heat dissipation pipe is fixedly connected to the side wall of the heat sink, the split pipe is fixedly connected to the inner wall of the heat dissipation plate, and the heat dissipation wires are respectively wound and arranged On the sidewalls of heat pipes and split pipes.

Preferably, one end of the heat dissipation wire close to the heat dissipation pipe extends to the inside of the heat dissipation fin, and one end of the split pipe located inside the cavity is expanded.

Preferably, the inner wall of the junction between the heat dissipation pipe and the split pipe is provided with an internal thread, and the junction between the split pipe and the heat dissipation pipe is fixedly connected with a threaded ring, and the threaded ring is threadedly connected to the pipe where the heat dissipation pipe is located inside the internal thread. wall.

Preferably, heat dissipation rings are fixedly sleeved on the side walls of the positive electrode lead and the negative electrode lead, and the side walls of the two heat dissipation rings facing away from each other are respectively fixedly connected with first heat conducting rods. A fixed ring is fixedly connected to the wall, and the first heat conducting rod is fixedly connected to the inner wall of the fixed ring.

Preferably, the corresponding side walls of the two heat dissipation rings are fixedly connected to the second heat conduction rod.

Compared with the prior art, the utility model provides a high temperature resistant dry capacitor, which has the following beneficial effects:

1. The high temperature resistant dry capacitor will absorb and conduct heat to the heat pipe through the heat sink, and at the same time, the split pipe will absorb and conduct the heat on the heat pipe to the end located inside the cavity, while the split pipe is located in the cavity One end inside the cavity is expanded outwardly, which can increase the contact area with the external air, thereby improving the heat dissipation effect.

2. The high-temperature-resistant dry capacitor is arranged inside the heat dissipation plate through one end of the heat dissipation wire, and is respectively wound and arranged on the side walls of the heat dissipation pipe and the split pipe, which can further improve the performance of the heat sink, heat dissipation pipe and split pipe. heat radiation.

The parts not involved in the device are the same as the existing technology or can be realized by using the existing technology. The junction of the utility model can conduct the heat generated inside the capacitor to the outside of the capacitor in time, reduce the accumulation of heat, and improve the high temperature resistance of the capacitor. .

Description of drawings

Fig. 1 is the structural representation of a kind of high temperature resistant dry capacitor proposed by the utility model;

Fig. 2 is the enlarged schematic diagram of the structure of part A in Fig. 1;

Fig. 3 is a schematic structural view of the split tube in Fig. 2 .

In the figure: 1 shell, 2 capacitor core, 3 positive lead, 4 negative lead, 5 rubber block, 6 heat sink, 7 heat sink, 8 cavity, 9 heat sink, 10 split tube, 11 heat sink, 12 internal Thread, 13 threaded rings, 14 cooling rings, 15 first heat conduction rods, 16 fixed rods, 17 second heat conduction rods.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example.

In describing the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation , are constructed and operated in a specific orientation and therefore cannot be construed as limiting the invention.

Referring to Figure 1-2, a high temperature resistant dry capacitor includes a shell 1, a capacitor core 2, a positive lead 3 and a negative lead 4, the capacitor core 2 is fixedly connected inside the shell 1, the positive lead 3 and The negative electrode leads 4 are fixedly connected to the top of the capacitor core 2 and extend to the outside of the housing 1. The inside of the housing 1 is filled with a rubber block 5. The capacitor core 2 is wrapped and arranged inside the rubber block 5. The capacitor core A plurality of cooling fins 6 are fixedly connected to the side wall of the housing 2 , and a plurality of cooling plates 7 are fixedly connected to the inner wall of the housing 1 located at the cooling fins 6 , and a cavity 8 is opened inside the cooling plate 7 .

The housing 1 is located inside the cavity 8 and is provided with a heat dissipation mechanism. The heat dissipation mechanism includes a heat dissipation pipe 9, a split pipe 10 and a heat dissipation wire 11. The heat dissipation pipe 9 is fixedly connected to the side wall of the heat sink 6, and the split pipe 10 is fixedly connected to the heat dissipation On the inner wall of the plate 7, the heat dissipation wire 11 is respectively wound and arranged on the side wall of the heat dissipation pipe 9 and the split pipe 10, and the end of the heat dissipation wire 11 near the heat dissipation pipe 9 extends to the inside of the heat sink 6, and the split pipe 10 is located at the inside of the cavity 8. One end is expanded outwardly.

The inner wall of the connection between the heat dissipation pipe 9 and the split pipe 10 is provided with an internal thread 12, and the connection between the split pipe 10 and the heat dissipation pipe 9 is fixedly connected with a threaded ring 13, and the threaded ring 13 is threadedly connected to the heat dissipation pipe 9 and is located inside the internal thread 12. The side walls of the positive electrode lead 3 and the negative electrode lead 4 are respectively fixedly sleeved with heat dissipation rings 14, and the side walls of the two heat dissipation rings 14 facing away from each other are respectively fixedly connected with first heat conducting rods 15, and the side walls of the housing 1 A fixed ring 16 is fixedly connected to the top, the first heat conducting rod 15 is fixedly connected to the inner wall of the fixing ring 16 , and the corresponding side walls of the two cooling rings 14 are fixedly connected to the second heat conducting rod 17 .

In the utility model, when in use, the rubber block 5 is fully filled and arranged inside the housing 1, so that the rubber block 5 fully wraps the capacitor core 2, thereby ensuring the overall sealing of the capacitor and preventing leakage. When the capacitor core 2 generates heat due to use, the heat sink 6 will absorb the heat and conduct it to the heat pipe 9, and the split pipe 10 will absorb the heat on the heat pipe 9 and conduct it to the cavity 8. One end, and the end of the split tube 10 located inside the cavity 8 is expanded outward, which can increase the contact area with the outside air, thereby improving the heat dissipation effect.

One end of the heat dissipation wire 11 is arranged inside the heat dissipation plate 6, and is respectively wound and arranged on the side walls of the heat dissipation pipe 9 and the split pipe 10, which can further improve the heat dissipation effect of the heat dissipation fin 6, the heat dissipation pipe 9 and the split pipe 10. The pipe 10 is threaded inside the heat dissipation pipe 9 through the threaded ring 13, and the heat dissipation plate 7 is fixed on the inner wall of the housing 1, which can improve the stability of the joint between the heat dissipation pipe 9 and the split pipe 10.

The heat dissipation ring 14 can dissipate heat in time for the positive lead 3 and the negative lead 4, reduce heat damage to the positive lead 3 and the negative lead 4, and conduct the heat to the casing in time through the first heat conducting rod 15 and the second heat conducting rod 17 1 outside.

Heat sink 6, heat dissipation plate 7, heat dissipation pipe 9, split pipe 10, heat dissipation ring 14, first heat conduction rod 15 and second heat conduction rod 17 are all made of metal copper to improve the overall heat dissipation effect, heat dissipation wire 11 is made of silver Made, can further improve the heat dissipation efficiency.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (6)

1. A high temperature resistant dry capacitor, comprising a housing (1), a capacitor core (2), a positive lead (3) and a negative lead (4), characterized in that: the capacitor core (2) is fixed connected inside the shell (1), the positive lead (3) and the negative lead (4) are respectively fixedly connected to the top of the capacitor core (2) and extend to the outside of the shell (1), the shell The interior of (1) is filled with a rubber block (5), the capacitor core (2) is wrapped and arranged inside the rubber block (5), and the side wall of the capacitor core (2) is fixedly connected with multiple The heat sink (6), the housing (1) is fixedly connected with a plurality of heat sinks (7) on the inner wall of the heat sink (6), and the inside of the heat sink (7) is provided with a cavity (8), so The casing (1) is located inside the cavity (8) and is provided with a heat dissipation mechanism. 2. A high temperature resistant dry capacitor according to claim 1, characterized in that: the heat dissipation mechanism comprises a heat dissipation pipe (9), a split pipe (10) and a heat dissipation wire (11), and the heat dissipation pipe ( 9) fixedly connected to the side wall of the cooling fin (6), the split tube (10) is fixedly connected to the inner wall of the cooling plate (7), and the cooling wire (11) is respectively wound and arranged on the cooling tube (9) and the Split the side wall of the tube (10). 3. A high temperature resistant dry capacitor according to claim 2, characterized in that: the end of the heat dissipation wire (11) close to the heat dissipation pipe (9) extends to the inside of the heat dissipation fin (6), and the split One end of the tube (10) located inside the cavity (8) is expanded outwardly. 4. A high temperature resistant dry capacitor according to claim 2, characterized in that: the inner wall of the connection between the heat dissipation pipe (9) and the split pipe (10) is provided with an internal thread (12), and the split A threaded ring (13) is fixedly connected to the junction of the pipe (10) and the heat dissipation pipe (9), and the threaded ring (13) is threadedly connected to the pipe wall of the heat dissipation pipe (9) inside the internal thread (12). 5. A high temperature resistant dry capacitor according to claim 1, characterized in that: heat dissipation rings (14) are respectively fixedly sleeved on the side walls of the positive lead (3) and the negative lead (4) , the side walls of the two heat dissipation rings (14) facing away from each other are fixedly connected with first heat conducting rods (15), and the side walls of the housing (1) are fixedly connected with a fixed ring (16), the The first heat conducting rod (15) is fixedly connected to the inner wall of the fixing ring (16). 6. A high temperature resistant dry capacitor according to claim 5, characterized in that: the corresponding side walls of the two heat dissipation rings (14) are fixedly connected to the second heat conduction rod (17).

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