CN215007932U

CN215007932U - Immersion type full-sealed track circuit compensating capacitor

Info

Publication number: CN215007932U
Application number: CN202121377921.1U
Authority: CN
Inventors: 冯红兵
Original assignee: XINHUAZHONG ELECTRICAL APPLIAN
Current assignee: XINHUAZHONG ELECTRICAL APPLIAN
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2021-12-03
Anticipated expiration: 2031-06-21

Abstract

The utility model provides a flooding type totally enclosed track circuit compensating capacitor, which comprises an outer shell, be provided with metal casing in the shell, metal casing's both sides are connected with the cap, be provided with the insulator on the cap, metal casing's outside and the inside of casing have been filled with the potting material, metal casing's inside is provided with the condenser core, the both sides of condenser core are provided with the core lead wire, the core lead wire is connected with the cable, the condenser core outside and in the metal casing fill with the flooding material, can better discharge the inside air of condenser core and the air in the metal casing, reduce thermal production, can also completely cut off the influence of external environment, ensure the condenser still can effectively and long term normal operating under harsh high frequency operating condition, realize that the condenser is stable in stipulated life cycle, The rail circuit can work reliably, thereby realizing the normal and reliable operation of the rail circuit to the maximum extent and practically ensuring the safety of railway transportation.

Description

Immersion type full-sealed track circuit compensating capacitor

Technical Field

The utility model relates to a condenser technical field, concretely relates to flooding type totally enclosed track circuit compensating capacitor.

Background

The packaging technology and the sealing structure commonly adopted by the compensating capacitor used by the prior track circuit are as follows: the capacitor core is directly encapsulated in a potting material in the housing. The packaging process and the packaging structure have the following problems and disadvantages: air inside the capacitor core cannot be exhausted; air in the metal shell cannot be well removed; the potting material cannot digest and absorb heat generated during the working of the capacitor; the influence of external high and low temperature on the normal work of the capacitor can not be adjusted by the potting material, and the reliable operation of the capacitor under the current high-frequency circuit can not be well guaranteed.

The above problems directly or indirectly cause serious abnormal phenomena such as loss increase, accelerated self-healing, capacity attenuation aggravation, short circuit and the like when the capacitor works, so that the capacitor fails early and cannot reliably operate within a specified life cycle.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a flooding type full-sealed track circuit compensating capacitor can get rid of the inside air of condenser core and the air in the metal casing better, reduces thermal production, and the influence that can also completely cut off external environment realizes that the condenser is stable, reliable operation in stipulated life cycle.

For solving the technical problem, the utility model provides a flooding type full-sealed track circuit compensating capacitor, which comprises an outer shell, be provided with metal casing in the shell, metal casing's both sides are connected with the cap, be provided with the insulator on the cap, metal casing's outside and the inside of shell have been filled with the potting material, metal casing's inside is provided with the condenser core, the both sides of condenser core are provided with the core wiring, the core wiring is connected with the cable, the condenser core outside and in the metal casing filled with the flooding material.

Further, the capacitor core is fixedly arranged in the metal shell, and the core lead wire is fixedly connected with the capacitor core.

Furthermore, a sleeve matched with the metal shell is arranged on one side of the shell cover.

Furthermore, the inside of insulator is provided with the threading groove that runs through, corresponds the insulator is provided with the trompil on the shell lid, the insulator passes the trompil welding and covers on the shell.

Furthermore, the extending part of the core lead wire penetrates through the insulator and is led out from the interior of the insulator, and the core lead wire is connected with the cable.

Further, the metal shell is packaged inside the shell, and a potting material is injected between the outer wall of the metal shell and the inner wall of the shell for fixing and sealing.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. the impregnating material is injected into the metal shell, the metal shell is internally sealed through the impregnating material, harmful factors such as air and moisture in the capacitor core and the metal shell can be effectively eliminated, the damage to the capacitor under the external environment and the objective working condition is effectively isolated and eliminated, the damage to the capacitor core caused by the corrosion of harmful gases such as air contact oxidation and moisture is avoided, the service life is effectively prolonged, and the cost is saved.

2. Because the inside of the metal shell is sealed by the impregnating compound, the inside of the metal shell is in a vacuum sealing state, and the influence of external adverse factors is isolated, so that an optimized working scene based on a capacitor principle and objective requirements is more effectively provided.

3. In view of the advantages above or not only above, the full-sealed track circuit compensation capacitor of the dipping type can effectively ensure stable and reliable operation within the life cycle specified by the standard when the capacitor works, thereby realizing normal and reliable operation of the track circuit to the maximum extent and practically ensuring the railway transportation safety.

Drawings

Fig. 1 is a front sectional view of the present invention.

1. A capacitor core; 2. a core lead wire; 3. impregnating material; 4. a metal housing; 5. a shell cover; 6. an insulator; 7. filling and sealing materials; 8. a housing; 9. a cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made with reference to fig. 1 of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1: a dipping type full-sealed track circuit compensating capacitor comprises a shell 8, wherein a metal shell 4 is arranged in the shell 8, two sides of the metal shell 4 are connected with shell covers 5, insulators 6 are arranged on the shell covers 5, a potting material 7 is poured outside the metal shell 4 and inside the shell 8, a capacitor core 1 is arranged inside the metal shell 4, core lead wires 2 are arranged on two sides of the capacitor core 1, the core lead wires 2 are connected with cables 9, a dipping material 3 is poured outside the capacitor core 1 and inside the metal shell 4, specifically, the capacitor core, the lead wires of the core, the dipping material, the metal shell and the shell cover thereof, insulators on the shell cover, the potting material, the shell and the cables are used for fixedly arranging the capacitor core in the metal shell, the lead wires of the capacitor core are led out from the insulators arranged on the shell cover, injecting the impregnating compound into the metal shell, welding the sealing insulator, and connecting the lead wire with the cable; the metal shell is fixed in the shell, and is filled with the potting material for sealing, and the impregnating material in the metal shell can well absorb heat generated inside the capacitor during operation.

According to an embodiment of the present invention, as shown in fig. 1, the capacitor core 1 is fixedly disposed in the metal casing 4, the core lead wire 2 is fixedly connected to the capacitor core 1, and particularly, the capacitor core is hermetically fixed in the metal casing by the impregnation material.

According to an embodiment of the present invention, as shown in fig. 1, the shell cover 5 is respectively sealed and welded at two ends of the metal shell 4, so as to seal the impregnation material inside the metal shell, thereby ensuring that a relative vacuum state is formed inside the metal shell.

According to the utility model discloses an embodiment, as shown in fig. 1, the inside of insulator 6 is provided with the threading groove that runs through, is provided with the trompil of corresponding insulator 6 on the cap 5, insulator 6 passes the trompil welding on cap 5 surface, and the sealed welding of core lead wire 2 is in the threading groove after drawing forth through the threading groove of insulator 6, and core lead wire 2 wears out the threading groove and the shell is connected with the cable.

According to the utility model discloses an embodiment, as shown in FIG. 1, 4 casings of metal casing and shell 8 fixed connection, pour into potting material 7 between the outer wall of metal casing 4 and the inner wall of shell 8 and fix and seal, the potting material is full of the inside of shell and the outside of metal casing particularly.

The utility model discloses a use method:

welding and fixing a capacitor core in a metal shell, putting the semi-finished product into high-temperature vacuum impregnation equipment to be impregnated according to the impregnation process requirement, fully removing harmful gases such as air, moisture and the like in the core and the metal shell, injecting an impregnating material into the metal shell, carrying out full-sealing welding, realizing the first packaging of the capacitor, connecting the semi-finished product after the first packaging with a cable, fixedly placing the semi-finished product in the shell, injecting a potting material, and then carrying out the second packaging.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a full sealed track circuit compensating capacitor of flooding type which characterized in that: including shell (8), be provided with metal casing (4) in shell (8), the both sides of metal casing (4) are connected with cap (5), be provided with insulator (6) on cap (5), the outside of metal casing (4) and the inside of shell (8) have been filled with potting material (7), the inside of metal casing (4) is provided with condenser core (1), the both sides of condenser core (1) are provided with core wiring (2), core wiring (2) are connected with cable (9), condenser core (1) outside and have been filled with flooding material (3) in metal casing (4).

2. The impregnated, fully encapsulated rail circuit compensation capacitor of claim 1 wherein: the capacitor core (1) is fixed in the metal shell (4) by the impregnating compound (3), and the core lead wire (2) is fixedly connected with the capacitor core (1).

3. The impregnated, fully encapsulated rail circuit compensation capacitor of claim 1 wherein: and a sleeve matched with the metal shell (4) is arranged on one side of the shell cover (5).

4. The impregnated, fully encapsulated rail circuit compensation capacitor of claim 1 wherein: the inside of insulator (6) is provided with the threading groove that runs through, corresponds insulator (6) are provided with the trompil on cap (5), insulator (6) pass the trompil welding on cap (5).

5. The impregnated, fully encapsulated rail circuit compensation capacitor of claim 1 wherein: the extension part of the core lead wire (2) penetrates through the insulator (6) and is led out from the interior of the insulator (6), and the core lead wire (2) is connected with the cable (9).

6. The impregnated, fully encapsulated rail circuit compensation capacitor of claim 1 wherein: the metal shell (4) is packaged inside the shell (8), and a potting material (7) is injected between the outer wall of the metal shell (4) and the inner wall of the shell (8) for fixing and sealing.