CN107379362A - A kind of low pressure high potential device production device and its production technology - Google Patents

Abstract

The invention relates to power equipment technology or devices, in particular to a low-voltage high-potential device production device and a production process thereof. A low-voltage and high-potential device production device of the present invention is adapted to an inner core, a hard insulating wire fixing device, a high-voltage wire and a mould, and several raised platforms are respectively arranged on the upper end surface and the lower end surface of the hard insulating wire fixing device, The inner core is fixedly connected to the hard insulating wire fixing device, the high-voltage wire is connected to the wire head of the inner core and fastened along the hard insulating wire fixing device, and there is a gap between the high-voltage wire and the inner core body; the inner core, the hard insulating fixing The wire guide and the high-voltage wire are integrally fixed in the mould. The method of using the device to produce low-voltage and high-potential devices is to pour insulating resin into the gap between the mold and the inner core. In the production process, there is no need for a large epoxy resin wall thickness, thereby greatly reducing the product volume, making it easier to meet the requirements of the creepage distance of the line, and improving electrical safety; the standardized product production process is convenient and simple.

Description

A low-voltage high-potential device production device and its production process

technical field

The invention relates to power equipment technology or devices, in particular to a low-voltage high-potential device production device and a production process thereof.

Background technique

Low-voltage high-potential devices are used in high-potential applications. The entire device is surrounded by high-voltage contacts, but its inner core is connected to low-voltage electricity, so it is necessary to isolate high and low voltage. At present, the commonly used high and low voltage isolation method is to use epoxy resin and suspend the inner core with a wire belt. The problem with this method is that a very thick epoxy resin space layer is required, otherwise the cord tape cannot accurately limit the inner core, so it is easy to cause eccentricity, resulting in uneven resin thickness and insufficient local pressure resistance; moreover, the cord tape needs to be constantly adjusted , the process is complicated and the processing efficiency is low.

Contents of the invention

In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a low-voltage high-potential device production device. The inner core of the device is limited and solidified, does not change, and does not require a large epoxy resin wall thickness, thereby greatly reducing the volume of the product . It is easier to meet the requirements of line creepage distance and improve electrical safety; the standardized product production process is convenient and simple.

The purpose of the present invention is achieved through the following technical solutions:

A low-voltage high-potential device production device, the device is equipped with an inner core, a hard-insulated wire fixer, a high-voltage wire and a mould, and several raised platforms are respectively arranged on the upper end surface and the lower end surface of the hard-insulated wire-fixer , the inner core is connected to the raised platform on the lower end surface of the hard insulating wire holder, one end of the high-voltage wire is connected to the thread head of the inner core and fastened along the hard insulating wire holder, and a gap is arranged between the high-voltage wire and the inner core body; The inner core, the hard insulating wire fixer and the high-voltage wire are integrally fixed in the mould.

As a further solution of the present invention, the inner core is fixedly connected with a hard insulating wire holder.

As a further solution of the present invention, the inner core is integrally formed with the hard insulating wire fixer.

As a further solution of the present invention, the low-voltage high-potential device production device fixes the inner core, the hard insulating wire fixer and the high-voltage wire integrally in the mold by suspending the inner core.

As a further solution of the present invention, the device for producing low-voltage and high-potential devices fixes the inner core, the hard-insulated wire-fixer and the high-voltage wire integrally in the mold by supporting the hard-insulated wire-fixer.

As a further solution of the present invention, the hard insulating wire fixer is fixedly connected to the mold by bolts, so that the inner core, the hard insulating wire fixer and the high-voltage wire are integrally fixed in the mold.

As a further solution of the present invention, the gap provided between the high voltage line and the inner core body is filled with insulating material.

The present invention also provides a production method of a low and high voltage potential device, comprising the following steps:

(1) Connect the high-voltage wire to the wire end of the inner core, and fasten the high-voltage wire along the hard insulating wire holder;

(2) Inner core in step (1), hard insulation wire fixer and high voltage wire are integrally fixedly installed in the mould;

(3) Pouring the gap between the mold and the inner core with insulating resin.

As a further solution of the present invention, in the step (3), the high-voltage line extends out of the pouring body and retains a certain length.

Beneficial effects of the present invention: Through the above technical scheme, the present invention provides a low-voltage high-potential device production device and production process. The inner core of the device is limited and solidified, and does not require a large epoxy resin wall thickness, thereby greatly reducing the size of the product The volume can better meet the requirements of the creepage distance of the line and improve the electrical safety; the standardized product production process is convenient and simple.

Description of drawings

Fig. 1 is a cross-sectional view of a low-voltage high-potential device cast body of the present invention;

Fig. 2 is a top view of the low-voltage high-potential device cast body of the present invention;

Fig. 3 is a low-voltage high-potential device casting body-mold sectional view of the present invention;

Fig. 4 is the schematic structural view of the wire fixing device in the embodiment of the present invention

In the figure: 1: Inner core, 2: Insulating resin layer, 3: High voltage wire, 4: Hard insulation wire fixer, 5: Mold, 6: Boss, 7: Bolt

detailed description

The following examples are presented to illustrate certain embodiments of the invention and should not be construed as limiting the scope of the invention. The content disclosed in the present invention can be improved simultaneously from materials, methods and reaction conditions, and all these improvements should fall within the spirit and scope of the present invention. Unless otherwise specified, the reagents used in the examples of the present invention are commercially available, and the databases used in the examples of the present invention are all public online databases.

Example 1: A low-voltage high-potential device production device

As shown in Fig. 1, Fig. 2 and Fig. 3, Embodiment 1 of the present invention provides a low-voltage high-potential device production device, which is adapted to the inner core 1, hard insulating wire fixer 4, high-voltage wire 3 and mold 5, The rigid insulating wire holder 4 is made of a hard insulating material, and the shape of the rigid insulating wire holder 4 is related to the shape of the final product. In this embodiment, the hard insulated wire fixer 4 is a ring structure, as shown in Figure 4, a raised platform 6 is respectively arranged on the upper end surface and the lower end surface of the ring structure, and the inner core 1 and the hard insulated wire fixer 4 are fixedly connected together, and can also be integrally formed into a part directly. One end of the high-voltage wire 3 is connected to the wire end of the inner core 1 and fastened along the hard insulation along the wire fixer 4. There is a Gap, when producing parts, can fill and cast insulating material in the gap;

The device for producing low-voltage and high-potential devices fixes the inner core, the hard-insulated wire-fixer and the high-voltage wire integrally in the mold by suspending the inner core or supporting the hard-insulated wire-fixer. In this embodiment, two bolt holes are provided on the raised platform on the upper end surface of the hard insulating wire holder, and the rigid insulation wire holder and the mold are fixedly connected by bolts, so that the inner core, the hard insulating wire holder It is integrally fixed in the mold with the high-voltage line.

Example 2: A production method of a low-voltage high-potential device

A production method of a low-high-voltage potential device, comprising the following steps:

(1) Connect the high-voltage wire to the wire end of the inner core, and fasten the high-voltage wire along the hard insulating wire holder;

(2) Inner core in step (1), hard insulation wire fixer and high voltage wire are integrally fixedly installed in the mould;

(3) Pouring the gap between the mold and the inner core with insulating resin, so that the electrical creepage will not directly climb to the inner core, so that it extends along the hard insulating wire fixer to the connection point; at this time, the high-voltage line is stretched out and poured body and retain a length.

The invention provides a low-voltage high-potential device production device and production process. The inner core of the device is limited and solidified, and does not require a large epoxy resin wall thickness, thereby greatly reducing the product volume and more easily meeting the requirements of the line creepage distance. Improve electrical safety; standardized product production process, convenient and simple.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. A low-voltage high-potential device production device is characterized in that: the device is adapted with an inner core, a hard insulating wire fixer, a high-voltage wire and a mould, and the upper end surface and the lower end surface of the hard insulating wire fixer are respectively Set several raised platforms, the inner core is connected with the raised platform on the lower end surface of the hard insulating wire fixer, one end of the high-voltage wire is connected to the wire head of the inner core and fastened along the hard insulating wire fixer, the high-voltage wire is connected to the inner core body There is a gap between them; the inner core, the hard insulating wire fixer and the high-voltage wire are integrally fixed in the mould. 2. A production device for low-voltage and high-potential devices according to claim 1, characterized in that: the inner core is fixedly connected with a hard insulating wire holder. 3. A production device for low-voltage and high-potential devices according to claim 1, characterized in that: the inner core is integrally formed with a hard insulating wire fixer. 4. A kind of low-voltage high-potential device production device according to claim 1, characterized in that: said low-voltage high-potential device production device integrates the inner core, hard insulation wire fixer and high-voltage wire by suspending the inner core fixed in the mould. 5. A kind of low-voltage high-potential device production device according to claim 1, it is characterized in that: described low-voltage high-potential device production device is to come inner core, hard insulation wire fixer by supporting hard insulation wire fixer It is integrally fixed in the mold with the high-voltage line. 6. A low-voltage high-potential device production device according to claim 5, characterized in that: the hard insulating wire fixing device and the mold are fixedly connected by bolts, so that the inner core, the hard insulating wire fixing device and the high-voltage wire The whole is fixed in the mould. 7. A low-voltage high-potential device production device according to claim 1, characterized in that: the gap provided between the high-voltage line and the inner core body is filled with insulating materials. 8. A production method of a low-voltage high-voltage potential device, characterized in that: comprising the following steps: (1) Connect the high-voltage wire to the wire end of the inner core, and fasten the high-voltage wire along the hard insulating wire holder; (2) Inner core in step (1), hard insulation wire fixer and high voltage wire are integrally fixedly installed in the mould; (3) Pouring the gap between the mold and the inner core with insulating resin. 9. The production method of a low-high-voltage potential device according to claim 1, characterized in that: in the step (3), the high-voltage wire extends out of the casting body and retains a certain length.