阅读说明：本技术 一种真空浸渍罐 (Vacuum impregnation tank ) 是由 冯晓宏 于 2020-11-25 设计创作，主要内容包括：本发明公开了一种真空浸渍罐,属于真空浸渍技术领域。它包括罐体；浸渍槽,其设于罐体内部,用于容纳电容器及电解液；注液单元,其位于罐体外,并与罐体内部连通,储存电解液并向浸渍槽中注液；真空单元,其位于罐体外,并与罐体内部连通,对罐体内部提供负压环境；充气单元,其位于罐体外,并与罐体内部连通,向罐体内部充气；加热单元,其向罐体内部提供热量。本发明的真空浸渍罐,结构简单,设备成本低,可方便的对电容器进行浸渍处理操作,具设计合理、易于制造的优点。(The invention discloses a vacuum impregnation tank, and belongs to the technical field of vacuum impregnation. It comprises a tank body; the dipping tank is arranged in the tank body and is used for accommodating the capacitor and the electrolyte; the liquid injection unit is positioned outside the tank body, is communicated with the inside of the tank body, stores electrolyte and injects liquid into the impregnation tank; the vacuum unit is positioned outside the tank body, is communicated with the inside of the tank body and provides a negative pressure environment for the inside of the tank body; the inflation unit is positioned outside the tank body, is communicated with the inside of the tank body and inflates the inside of the tank body; and a heating unit which supplies heat to the inside of the tank body. The vacuum impregnation tank disclosed by the invention has the advantages of simple structure, low equipment cost, capability of conveniently carrying out impregnation treatment operation on the capacitor, reasonable design and easiness in manufacturing.)

1. A vacuum impregnation tank, comprising:

a tank body;

the dipping tank is arranged in the tank body and is used for accommodating the capacitor and the electrolyte;

the liquid injection unit is positioned outside the tank body, is communicated with the inside of the tank body, stores electrolyte and injects liquid into the impregnation tank;

the vacuum unit is positioned outside the tank body, is communicated with the inside of the tank body and provides a negative pressure environment for the inside of the tank body;

the inflation unit is positioned outside the tank body, is communicated with the inside of the tank body and inflates the inside of the tank body;

and a heating unit which supplies heat to the inside of the tank body.

2. A vacuum impregnation tank as claimed in claim 1, wherein: and a liquid level meter is arranged on the dipping tank and is used for detecting the height of the electrolyte in the dipping tank.

3. A vacuum impregnation tank as claimed in claim 2, wherein: a detachable interlayer is arranged in the dipping tank.

4. A vacuum impregnation tank as claimed in claim 3, wherein: the interlayer is of a hollow structure.

5. A vacuum impregnation tank as claimed in claim 1, wherein: the gas charging unit supplies argon gas into the tank body.

Technical Field

The invention belongs to the technical field of vacuum impregnation, and particularly relates to a vacuum impregnation tank.

Background

In the production process of the capacitor, vacuum impregnation is an important necessary process, the capacitor is placed in a vacuum environment through the vacuum impregnation process, air and volatile matters inside the coil are removed, certain pressure is applied to the impregnation paint liquid after the vacuum is removed by depending on the gravity of the paint liquid in the vacuum environment and the capillary action of the coil, and dry compressed air or inert gas, so that the paint liquid quickly permeates and fills the inside of the insulating structure, and the process is greatly helpful for improving the electrical performance of the capacitor.

At present, the common capacitor vacuum impregnation treatment is to place the capacitor in a vacuum tank, and adopts treatment methods such as double-pumping single-injection and group-pumping single-injection, and the like, so that the process is complex, and the adopted equipment is huge and has high cost.

Disclosure of Invention

In order to solve at least one of the above technical problems, according to an aspect of the present invention, there is provided a vacuum impregnation tank including:

a tank body;

the dipping tank is arranged in the tank body and is used for accommodating the capacitor and the electrolyte;

the liquid injection unit is positioned outside the tank body, is communicated with the inside of the tank body, stores electrolyte and injects liquid into the impregnation tank;

the vacuum unit is positioned outside the tank body, is communicated with the inside of the tank body and provides a negative pressure environment for the inside of the tank body;

the inflation unit is positioned outside the tank body, is communicated with the inside of the tank body and inflates the inside of the tank body;

and a heating unit which supplies heat to the inside of the tank body.

Compared with the existing vacuum impregnation tank which is directly impregnated in the tank body, the design of the scheme is easier for maintenance in the later use process; further, the liquid injection unit comprises an electrolyte storage tank and a liquid injection pipe for communicating the liquid storage tank with the interior of the tank body, and the electrolyte is injected into the dipping tank and the capacitor shell through the liquid injection unit; the vacuum unit comprises a vacuum pump and a connecting pipeline, and the connecting pipeline connects the vacuum pump with the interior of the tank body to create a vacuum negative pressure environment in the tank body; the inflation unit comprises a gas storage tank and a gas pipe, and the gas pipe is used for communicating the gas storage tank with the tank body; the heating unit of this embodiment is the zone of heating of parcel at jar external surface, only has the heating wire in the zone of heating, provides the heat to jar internal portion through the heating wire heating.

According to the vacuum impregnation tank provided by the embodiment of the invention, optionally, a liquid level meter is arranged on the impregnation tank, and the height of the electrolyte in the impregnation tank is detected.

The level gauge is in the flooding groove, and the level gauge with annotate liquid unit signal connection, can the height of electrolyte in the real-time supervision flooding groove, avoid electrolyte to spill over or electrolyte insufficient's condition to take place.

According to the vacuum impregnation tank provided by the embodiment of the invention, a detachable interlayer is optionally arranged in the impregnation tank.

Set up the detachable interlayer, the condenser can prevent on the interlayer, then pack into jar body in for the flooding groove can carry out the flooding operation to more condensers, further increases treatment effeciency through setting up the interlayer.

According to the vacuum impregnation tank provided by the embodiment of the invention, optionally, the interlayer is of a hollow structure.

The interlayer with the hollow structure facilitates the circulation of electrolyte in the impregnation tank.

According to the vacuum impregnation tank of the embodiment of the invention, optionally, the gas filling unit supplies argon gas into the tank body.

Advantageous effects

Compared with the prior art, the invention has at least the following beneficial effects:

(1) the vacuum impregnation tank disclosed by the invention is simple in structure and low in equipment cost, and can be used for conveniently carrying out impregnation treatment operation on the capacitor;

(2) according to the vacuum impregnation tank, the liquid level meter is arranged in the impregnation tank, so that the height of the electrolyte in the impregnation tank can be monitored in real time, and the situation that the electrolyte overflows or is insufficient is avoided;

(3) according to the vacuum impregnation tank, the interlayer is arranged, so that the impregnation tank can perform impregnation operation on more capacitors, and the treatment efficiency is further improved;

(4) according to the vacuum impregnation tank, the interlayer with the hollow structure facilitates the circulation of electrolyte in the impregnation tank.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

FIG. 1 shows a schematic view of a vacuum impregnation tank of the present invention;

fig. 2 shows a schematic view of the internal structure of the can body of the present invention. (ii) a

Reference numerals:

1. a tank body;

2. an impregnation tank; 20. a liquid level meter; 21. an interlayer;

3. a liquid injection unit;

4. a vacuum unit;

5. an inflation unit;

6. a heating unit.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.

Example 1

The vacuum impregnation tank of the embodiment comprises:

a tank body 1;

an immersion tank 2 provided inside the tank 1 and configured to accommodate a capacitor and an electrolyte;

the liquid injection unit 3 is positioned outside the tank body 1, is communicated with the interior of the tank body 1, stores electrolyte and injects the electrolyte into the impregnation tank 2;

the vacuum unit 4 is positioned outside the tank body 1, is communicated with the inside of the tank body 1, and provides a negative pressure environment for the inside of the tank body 1;

the inflation unit 5 is positioned outside the tank body 1, is communicated with the interior of the tank body 1, and inflates air into the tank body 1;

and a heating unit 6 which supplies heat to the inside of the can body 1.

As shown in fig. 1 and fig. 2, in the present embodiment, an impregnation tank 2 is disposed inside a tank 1, the impregnation tank 2 is disposed at the bottom inside the tank 1, and the impregnation process of the capacitor is completed in the impregnation tank 2, so that compared with the existing vacuum impregnation tank that directly impregnates in the tank 1, the design of the present embodiment is easier for maintenance in the later use process; further, the liquid injection unit 3 comprises an electrolyte storage tank and a liquid injection pipe for communicating the liquid storage tank with the interior of the tank body 1, and the electrolyte is injected into the impregnation tank 2 and the capacitor shell through the liquid injection unit 3; the vacuum unit 4 comprises a vacuum pump and a connecting pipeline, the connecting pipeline connects the vacuum pump with the interior of the tank body 1, and a vacuum negative pressure environment in the tank body 1 is created; the inflation unit 5 comprises a gas storage tank and a gas pipe, and the gas pipe connects the gas storage tank with the tank body 1; the heating unit 6 of this embodiment is the zone of heating of parcel at jar body 1 surface, only has the heating wire in the zone of heating, provides the heat to jar body 1 inside through the heating wire heating.

The vacuum impregnation tank has the advantages of simple structure, low equipment cost and convenience in impregnation treatment operation of the capacitor.

Example 2

The vacuum impregnation tank of the embodiment is further improved on the basis of the embodiment 1, wherein a liquid level meter 20 is arranged on the impregnation tank 2, and the height of the electrolyte in the impregnation tank 2 is detected.

As shown in fig. 2, in the present embodiment, the liquid level meter 20 is disposed in the dipping tank 2, and the liquid level meter 20 is in signal connection with the liquid injection unit 3, so that the height of the electrolyte in the dipping tank 2 can be monitored in real time, and the electrolyte overflow or the electrolyte shortage can be avoided.

Example 3

The vacuum impregnation tank of the embodiment is further improved on the basis of the embodiment 2, and a detachable interlayer 21 is arranged in the impregnation tank 2.

As shown in fig. 2, a detachable barrier 21 is provided, the capacitor can be prevented from being placed on the barrier 21 and then can be placed in the can body 1, and the barrier 21 is provided, so that the dipping tank 2 can dip more capacitors, and the treatment efficiency is further increased.

Example 4

The vacuum impregnation tank of this embodiment is further improved on the basis of embodiment 3, and the partition layer 21 has a hollow structure.

The interlayer 21 with the hollow structure facilitates the circulation of electrolyte in the impregnation tank 2.

Further, the gas filling unit 5 supplies argon gas into the tank 1.

The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.