High-voltage cable connector

JP7909298B2Active Publication Date: 2026-08-21NHV CORP
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Patent Information

Application Number
JP2023073505
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2023-04-27
Publication Date
2026-08-21
Estimated Expiration
2043-04-27

AI Technical Summary

Benefits of technology

【0010】 本発明の高電圧ケーブル接続具によれば、絶縁封止材の成形不良の発生を低減できる。

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Abstract

To provide a high voltage cable coupler capable of reducing the generation of a molding failure of an insulation sealing material.SOLUTION: A high voltage cable coupler 1 comprises: a high voltage cable 2; a housing body 3 that includes an introducing part 32 for introducing the high voltage cable 2 into an inner part and is constructed so as to house a tip end part 22 of the high voltage cable 2 into an internal space 33; and an insulation sealing material 4 that is formed in the internal space 33 of the housing 3 by hardening of a resin, and seals the tip end part 22 of the high voltage cable 2 into the internal space 33 of the housing 3. The high voltage cable 2 is attached to the housing 3 so as to be fitted into the introducing part 32, and a space between the high voltage cable 2 and the introducing part 32 is constructed in a fluid-tight, and is constructed so that the high voltage cable 2 can be slid to the introducing part 32 by interposing a slide sheet 6 between the high voltage cable 2 and the leading part 32.SELECTED DRAWING: Figure 1
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Description

Technical Field

[0001] The present invention relates to a high-voltage cable connector.

Background Art

[0002] For example, in devices such as an electron beam irradiation device and an X-ray generation device, electrons are accelerated to generate an electron beam. The generation of the electron beam is performed, for example, by heating a filament to emit thermoelectrons from the filament into space and accelerating the thermoelectrons until they reach a predetermined energy. The acceleration of the thermoelectrons is performed, for example, by applying a high voltage between the filament and an electrode located at a position away from the filament. By applying a negative voltage to the filament and a positive voltage to the electrode, the thermoelectrons are accelerated from the filament toward the electrode.

[0003] The high voltage is supplied from a DC high-voltage power supply to the above-described device via a high-voltage cable. The high-voltage cable is connected to the above-described device using a high-voltage cable connector to which the high-voltage cable is attached. As this type of high-voltage cable connector, for example, the high-voltage connector described in Patent Document 1 has been proposed.

[0004] As shown in FIG. 5, the high-voltage connector 100 described in Patent Document 1 includes a housing 101, a high-voltage terminal 102 disposed in the housing 101, and an insulating sealing material 103 filled in the housing 101. The high-voltage terminal 102 is connected to the tip of a high-voltage cable 104 introduced into the housing 101 from the side of the housing 101. The high-voltage cable 104 has a structure in which a conductor portion 105 is covered with a rubber-insulating covering portion 106. The high-voltage cable 104 is usually fixed to the side of the housing 101 so as not to move. The high-voltage terminal 102 is connected to the electrode of the above-described device and conducts the high-voltage cable 104 and the electrode. The insulating sealing material 103 seals the tip of the high-voltage cable 104 and the high-voltage terminal 102, etc. inside the housing 101.

Prior Art Documents

Patent Documents

[0005] [Patent Document 1] Japanese Patent Publication No. 2008-293868 [Overview of the project] [Problems that the invention aims to solve]

[0006] In the conventional high-voltage cable connector described above, a thermosetting resin is used as the material for the insulating sealant 103. The thermosetting resin, in a fluid liquid state, is injected into the housing 101, and the thermosetting resin is heated within the housing 101 to harden it. This forms a solid insulating sealant 103 within the housing 101.

[0007] When the solidified insulating sealant 103 cools to room temperature, the insulating sealant 103 undergoes thermal contraction. As a result, a tensile force due to the thermal contraction of the insulating sealant 103 acts on the tip of the high-voltage cable 104 housed in the housing 101. At this time, the tip of the high-voltage cable 104 is also affected by the rubber coating 10 6 The insulation shrinks due to the cooling, and the tip of the high-voltage cable 104 is in the insulation part 10 6 The above tensile force will be applied to the heat-shrunk portion. Here, if the high-voltage cable 104 is fixed to the side of the housing 101, the tip of the high-voltage cable 104 housed inside the housing 101 will be directly subjected to the above tensile force, so the covering portion 10 6 Because the insulating sealant is made of rubber and has a high thermal shrinkage rate, the insulating sealant 103 peels off at the interface between the tip of the high-voltage cable 104 and the insulating sealant 103, resulting in a molding defect (resin sealing defect) of the insulating sealant 103.

[0008] The present invention has been made in view of the above circumstances and aims to provide a high-voltage cable connector that can reduce the occurrence of molding defects in insulating sealing materials. [Means for solving the problem]

[0009] The high-voltage cable connector of the present invention comprises a high-voltage cable connected to a high-voltage power supply, a housing having an introduction section for introducing the high-voltage cable into the interior and configured to house the tip of the high-voltage cable in an internal space, and an insulating sealing material formed in the internal space of the housing by the curing of resin to seal the tip of the high-voltage cable in the internal space. The high-voltage cable connector of the present invention is characterized in that the high-voltage cable is attached to the housing by being fitted into the introduction section, and the space between the high-voltage cable and the introduction section is liquid-tight and the high-voltage cable is slidable relative to the introduction section. [Effects of the Invention]

[0010] According to the high-voltage cable connector of the present invention, the occurrence of molding defects in the insulating encapsulant can be reduced. [Brief explanation of the drawing]

[0011] [Figure 1] Figure 1 is a cross-sectional view showing a schematic configuration of a high-voltage cable connector according to one embodiment of the present invention. [Figure 2] Figure 2 is an end view of a section along line AA in Figure 1. [Figure 3] Figure 3 is an end view of a section along line BB in Figure 1. [Figure 4] Figure 4 is a cross-sectional view showing the schematic configuration of the main part of a high-voltage cable connector according to a modified example of the present invention. [Figure 5] Figure 5 is a cross-sectional view showing the schematic configuration of a conventional high-voltage cable connector. [Modes for carrying out the invention]

[0012] Hereinafter, embodiments of the high-voltage cable connector of the present invention will be described in detail with reference to the drawings. In the following description, expressions distinguishing between "end" and "end" are used, distinguishing between them by the presence or absence of "...part". For example, "end" means the very end of an object, while "end" means a certain range that includes the "end". Any point within a certain range that includes the "end" is considered an "end". The same applies to other expressions accompanied by "...part".

[0013] Description of high-voltage cable connectors Figures 1 to 3 show a schematic configuration of a high-voltage cable connector 1 according to one embodiment. The high-voltage cable connector 1 is used in equipment that requires a high voltage supply, such as electron beam irradiation devices and X-ray generators.

[0014] The high-voltage cable connector 1 comprises a high-voltage cable 2 connected to a high-voltage power supply, a housing 3 to which the high-voltage cable 2 is attached, and an insulating sealing material 4 provided inside the housing 3. The high-voltage cable connector 1 also includes a high-voltage terminal 5 for connecting the high-voltage cable 2 to electrodes of equipment such as an electron beam irradiation device or an X-ray generator. In addition to the above-described components 2-5, the high-voltage cable connector 1 may include other components as needed.

[0015] Description of high-voltage cables As shown in Figures 1 to 3, the high-voltage cable 2 comprises a conductor portion 20 and a sheathing portion 21, with the conductor portion 20 being covered by the sheathing portion 21. The sheathing portion 21 has insulating properties that do not easily conduct electricity or heat. Examples of materials for the sheathing portion 21 include natural rubber, as well as synthetic rubbers such as butyl rubber, ethylene propylene rubber, and silicone rubber. The high-voltage cable 2 may also be further protected by covering the sheathing portion 21 with a sheath. The cross-sectional shape of the high-voltage cable 2 (a cross-section cut perpendicular to the length direction of the high-voltage cable 2) is, for example, circular. Conventional high-voltage cables can be used for the high-voltage cable 2.

[0016] Description of the enclosure As shown in FIGS. 1 to 3, the housing 3 is formed in a bottomed cylindrical shape and has an opening at the upper part. Through the upper opening, the housing 3 has insulation a sealing material 4 and a high-voltage terminal 5 accommodated therein. Examples of the material of the housing 3 include metal and insulating materials having high thermal conductivity, and preferably it is metal.

[0017] The housing 3 includes a bottom portion 30, a cylindrical side wall portion 31, and a cylindrical introduction portion 32. The bottom portion 30 is connected to the lower end of the side wall portion 31, and the space surrounded by the side wall portion 31 on the bottom portion 30 is the internal space 33 of the housing 3. The upper end of the side wall portion 31 defines the upper opening of the housing 3. A through hole penetrating in the thickness direction is formed in the side wall portion 31, and the introduction portion 32 is connected to the side wall portion 31 so as to project horizontally from this through hole.

[0018] The high-voltage cable 2 is introduced into the housing 3 from the introduction portion 32 through the through hole of the side wall portion 31. In the high-voltage cable 2, the tip-side portion protruding into the internal space 33 of the housing 3 (hereinafter referred to as "the tip portion 22 of the high-voltage cable 2") is accommodated in the internal space 33 of the housing 3. At that time, the high-voltage cable 2 is attached to the housing 3 by being fitted into the introduction portion 32. That is, the shape and size of the cross section of the inner surface 320 of the introduction portion 32 (the cross section cut perpendicular to the length direction of the introduction portion 32) are substantially in agreement with the shape and size of the cross section of the outer surface of the high-voltage cable 2 (the cross section cut perpendicular to the length direction of the high-voltage cable Ru 2), and the high-voltage cable 2 is inserted almost exactly into the inside of the introduction portion 32, and the outer surface of the high-voltage cable 2 is in direct or indirect contact with the inner surface 320 of the introduction portion 32. Note that the high-voltage cable 2 is attached to the housing 3 only by being fitted into the introduction portion 32, and no fixing means for fixing the high-voltage cable 2 to the introduction portion 32 is provided in the housing 3.

[0019] The space between the high-voltage cable 2 and the inlet 32 ​​is liquid-tight and allows the high-voltage cable 2 to slide relative to the inlet 32. A "liquid-tight structure" means a structure in which the liquid (or gel-like) resin injected into the internal space 33 of the housing 3, described later, does not leak out of the housing 3 through the space between the high-voltage cable 2 and the inlet 32. For example, if the sheathing 21 of the high-voltage cable 2 is made of rubber or the like, and the high-voltage cable 2 is fitted into the inlet 32 ​​with the sheathing 21 compressed, a sealed, liquid-tight structure is created between the high-voltage cable 2 and the inlet 32, suppressing leakage of the liquid resin.

[0020] Furthermore, "slidable structure" means a structure in which there is little friction between the high-voltage cable 2 and the introduction part 32, and the high-voltage cable 2 can slide and move relative to the introduction part 32 even though it is fitted into the introduction part 32.

[0021] One example of a structure that allows the high-voltage cable 2 to slide relative to the introduction section 32 is a structure in which a sliding sheet 6 is interposed between the high-voltage cable 2 and the introduction section 32. By interposing the sliding sheet 6 between the high-voltage cable 2 and the introduction section 32, the outer surface of the high-voltage cable 2 is indirectly in contact with the inner surface 320 of the introduction section 32 via the sliding sheet 6.

[0022] Description of sliding sheet As shown in Figures 1 to 3, the sliding sheet 6 is a sheet with a low coefficient of friction and slippery properties (sliding characteristics), and is a sheet for reducing frictional resistance between the high-voltage cable 2 and the introduction section 32.

[0023] The sliding sheet 6 can be made of a self-lubricating resin such as polytetrafluoroethylene or other fluororesins, ultra-high molecular weight polyethylene, polyamide resin such as MC nylon, polyethylene terephthalate, PEEK (polyetheretherketone) resin, polyimide resin, or polyacetal resin. Alternatively, the sliding sheet 6 can be made of a sheet formed using glass fibers coated with a fluororesin such as polytetrafluoroethylene. It is preferable that the sliding sheet 6 has excellent wear resistance.

[0024] The thickness of the sliding sheet 6 is not particularly limited, but is preferably 0.05 mm or more and 0.20 mm or less.

[0025] The sliding sheet 6 is attached to the inner surface 320 of the introduction section 32 or the outer surface of the high-voltage cable 2 using, for example, a silicone-based adhesive. Preferably, the sliding sheet 6 is attached to the inner surface 320 of the introduction section 32. When the sliding sheet 6 is attached to the inner surface 320 of the introduction section 32, it is preferable that the sliding sheet 6 is attached to the inner surface 320 of the introduction section 32 over its entire length in the longitudinal direction.

[0026] Furthermore, the sliding sheet 6 is attached not only to the inner surface 320 of the introduction section 32, but also to the end surface 321 of the introduction section 32 opposite to the internal space 33 of the housing 3 (the end surface into which the high-voltage cable 2 is inserted), using adhesive or the like. The portion of the sliding sheet 6 attached to the inner surface 320 of the introduction section 32 and the portion attached to the end surface 321 of the introduction section 32 are continuously connected, and there are no seams or anything at the corner 322 (edge ​​of the opening) between the inner surface 320 and the end surface 321 of the introduction section 32. At the end surface 321 of the introduction section 32, it is sufficient for the sliding sheet 6 to be attached to the area around the opening into which the high-voltage cable 2 is inserted, but preferably, the sliding sheet 6 is attached to the entire area of ​​the end surface 321 of the introduction section 32.

[0027] Explanation of high-voltage terminals As shown in Figure 1, the high-voltage terminal 5 is housed in the internal space 33 of the housing 3. The material of the high-voltage terminal 5 can be, for example, a metal with low resistivity such as copper or brass. The conductor portion 20 at the tip 22 of the high-voltage cable 2 is connected to the high-voltage terminal 5 by being inserted into the high-voltage terminal 5. The high-voltage terminal 5 is provided with a recess 50 that can be used to set, for example, a part of an electrode, in order to connect the high-voltage cable 2 to an electrode of equipment such as an electron beam irradiation device or an X-ray generator.

[0028] Explanation of insulating encapsulant As shown in Figure 1, the insulating sealant 4 is molded into the internal space 33 of the housing 3, sealing the tip 22 of the high-voltage cable 2 and the high-voltage terminal 5 within the internal space 33 of the housing 3. In other words, the tip 22 of the high-voltage cable 2 and the high-voltage terminal 5 are embedded in the insulating sealant 4 within the housing 3. The insulating sealant 4 is molded into the internal space 33 of the housing 3 by the curing of the resin.

[0029] A thermosetting resin is used as the material for the insulating sealant 4. Examples of thermosetting resins include epoxy resin, silicone resin, phenolic resin, polyimide resin, and urethane resin. The thermosetting resin, which is in a liquid state that is fluid at room temperature, is injected into the internal space 33 of the housing 3, and the thermosetting resin is heated in the internal space 33 of the housing 3 to cure it. As a result, the solidified insulating sealant 4 is formed in the internal space 33 of the housing 3.

[0030] Explanation of action and effects In the high-voltage cable connector 1 of this embodiment described above, as shown in Figure 1, the inner surface slides seatBy inserting the high-voltage cable 2 into the internal space 33 of the housing 3 from the entry section 32, to which the 6 is attached, the tip 22 of the high-voltage cable 2 is housed in the internal space 33 of the housing 3. Then, the conductor portion 20 at the tip 22 of the high-voltage cable 2 is connected to the high-voltage terminal 5 housed in the internal space 33 of the housing 3. In this state, a thermosetting resin in a fluid liquid state is injected into the internal space 33 of the housing 3, and the thermosetting resin is heated in the internal space 33 of the housing 3, causing the thermosetting resin to harden. As a result, a solidified insulating sealant 4 is formed in the internal space 33 of the housing 3, and the tip 22 of the high-voltage cable 2 and the high-voltage terminal 5 are sealed in the internal space 33 of the housing 3 by the insulating sealant 4.

[0031] After the insulating sealant 4 is molded, it cools to room temperature and undergoes thermal contraction. As a result, a tensile force due to the thermal contraction of the insulating sealant 4 acts on the tip 22 of the high-voltage cable 2 housed in the internal space 33 of the housing 3. At this time, the covering portion 21 of the tip 22 of the high-voltage cable 2 also contracts due to cooling, and the tip 22 of the high-voltage cable 2 is pulled by the insulating sealant 4 while the covering portion 21 is thermally contracted. However, when the tip 22 of the high-voltage cable 2 is pulled by the insulating sealant 4, the high-voltage cable 2 is pulled into the internal space 33 of the housing 3 because the space between the high-voltage cable 2 and the introduction portion 32 of the housing 3 is slidable. As a result, the tensile force acting on the tip 22 of the high-voltage cable 2 is distributed to the portion of the high-voltage cable 2 that is pulled into the internal space 33 of the housing 3, and the tensile force does not directly act on the tip 22 of the high-voltage cable 2, but is mitigated. Therefore, peeling of the insulating sealant 4 at the interface between the tip portion 22 of the high-voltage cable 2 and the insulating sealant 4 can be suppressed.

[0032] As described above, according to the high-voltage cable connector 1 of this embodiment, the high-voltage cable 2 is attached to the housing 3 by being fitted into the introduction portion 32, and a sliding sheet 6 is interposed between the high-voltage cable 2 and the introduction portion 32, allowing the high-voltage cable 2 to slide against the introduction portion 32. This reduces the occurrence of molding defects (resin sealing defects) of the insulating sealant 4.

[0033] Furthermore, according to the high-voltage cable connector 1 of this embodiment, the space between the high-voltage cable 2 and the introduction part 32 is liquid-tight. As a result, even if liquid resin is injected into the internal space 33 of the housing 3, leakage of the liquid resin from the housing 3 through the space between the high-voltage cable 2 and the introduction part 32 to the outside of the housing 3 can be suppressed.

[0034] Furthermore, according to the high-voltage cable connector 1 of this embodiment, by interposing a sliding sheet 6 between the high-voltage cable 2 and the introduction portion 32, the high-voltage cable 2 is made slidable relative to the introduction portion 32. This makes it possible to easily realize a structure in which the high-voltage cable 2 can slide relative to the introduction portion 32.

[0035] Furthermore, in the high-voltage cable connector 1 of this embodiment, the sliding sheet 6 is attached to the inner surface of the introduction portion 32 of the housing 3. If the sliding sheet 6 is attached to the outer surface of the high-voltage cable 2, when the high-voltage cable 2 is pulled into the internal space 33 of the housing 3 due to the thermal contraction of the insulating sealant 4, the sliding sheet 6 attached to the outer surface of the high-voltage cable 2 may enter the internal space 33 of the housing 3. If the sliding sheet 6 enters the internal space 33 of the housing 3, the sliding sheet 6 will be interposed between the insulating sealant 4 and the high-voltage cable 2, and defects such as peeling may occur between the insulating sealant 4 and the sliding sheet 6, and between the sliding sheet 6 and the high-voltage cable 2. In contrast, with the high-voltage cable connector 1 of this embodiment, since the sliding sheet 6 is attached to the inner surface of the introduction portion 32 of the housing 3, the sliding sheet 6 does not enter the internal space 33 of the housing 3, and the above-mentioned problems do not occur.

[0036] Furthermore, according to the high-voltage cable connector 1 of this embodiment, the sliding sheet 6 is continuously attached to the introduction portion 32 from the inner surface 320 to the end surface 321 opposite to the internal space 33 of the housing 3. This reduces the possibility that the outer surface of the high-voltage cable 2 will get caught at the corner 322 (edge ​​of the opening) between the inner surface 320 and the end surface 321 of the introduction portion 32 when the high-voltage cable 2 is pulled into the internal space 33 of the housing 3 due to the thermal contraction of the insulating sealant 4. Therefore, the high-voltage cable 2 can slide smoothly against the introduction portion 32. In addition, since the end of the sliding sheet 6 is located away from the outer surface of the high-voltage cable 2, it is possible to prevent the end of the sliding sheet 6 from peeling off the introduction portion 32 due to the sliding of the high-voltage cable 2.

[0037] Explanation of variations Although embodiments of the high-voltage cable connector of the present invention have been described above, the high-voltage cable connector of the present invention is not limited to the embodiments described above, and various modifications are possible without departing from the spirit of this disclosure.

[0038] In the above embodiment, a sliding sheet 6 is interposed between the high-voltage cable 2 and the introduction section 32, thereby creating a structure in which the high-voltage cable 2 can slide relative to the introduction section 32. For example, as a modified example, the structure that allows the high-voltage cable 2 to slide relative to the introduction section 32 between the high-voltage cable 2 and the introduction section 32 can be, for example, (1) a structure in which a lubricant such as lubricating oil or grease is interposed between the high-voltage cable 2 and the introduction section 32, (2) a structure in which the inner surface 320 of the introduction section 32 is treated with, for example, a fluororesin coating, hard chrome plating, or PTFE (polytetrafluoroethylene) composite electroless nickel plating, (3) a structure in which the introduction section 32 is formed of a metal or resin (a self-lubricating resin) with high sliding properties and high wear resistance, or (4) a structure in which a cylindrical member formed of a metal or resin (a self-lubricating resin) with high sliding properties and high wear resistance is attached to the outer surface of the high-voltage cable 2 and is provided to slide relative to the introduction section 32.

[0039] Furthermore, in the above embodiment, the introduction section 32 is connected to the side wall 31 of the housing 3. As a modified example, the introduction section 32 can be connected to the bottom 30 of the housing 3.

[0040] For example, as shown in Figure 4, the introduction portion 32 may be provided with a movable portion 34 on the inner surface 320 side that can slide toward and toward the internal space 33 of the housing 3. In the embodiment shown in Figure 4, the high-voltage cable 2 is attached to the housing 3 by being fitted into the movable portion 34, and a sliding sheet 6 is interposed between the high-voltage cable 2 and the movable portion 34. For example, when manufacturing the high-voltage cable connector 1, if it is desired to apply a chemical to the inner surface of the side wall portion 31 of the housing 3 or the outer surface of the tip portion 22 of the high-voltage cable 2, it may be desired to move the tip portion 22 of the high-voltage cable 2 to the back of the internal space 33 of the housing 3 and temporarily place it there. In this case, the movable portion 34 is moved to the internal space 3 3 By sliding it in this direction, the tip 22 of the high-voltage cable 2 can be moved to the back of the internal space 33 of the housing 3. 3 By sliding it away from the housing, the tip 22 of the high-voltage cable 2 can be moved back to its original position in the internal space 33 of the housing 3.

[0041] Then, after applying the chemical agent, the movable part 34 is returned to its original position and fixed to the introduction part 32, and the thermosetting resin in a fluid liquid state is injected into the internal space 33 of the housing 3, and the thermosetting resin is cured to manufacture the high-voltage cable connector 1. When the insulating sealant 4 cools to room temperature, the insulating sealant 4 shrinks due to heat, but in this embodiment shown in Figure 4, since the structure allows sliding between the high-voltage cable 2 and the movable part 34, the high-voltage cable 2 is drawn from the introduction part 32 into the internal space 33 of the housing 3. As a result, the same action and effect as in the above embodiment are achieved, and peeling of the insulating sealant 4 at the interface between the tip 22 of the high-voltage cable 2 and the insulating sealant 4 can be suppressed.

[0042] summary As described above, in order to solve the problems of this disclosure, this disclosure includes the high-voltage cable connectors described in Section 1 below.

[0043] Item 1. High-voltage cable connected to a high-voltage power supply, A housing comprising an introduction section for introducing the high-voltage cable into the interior, and configured to house the tip of the high-voltage cable in the internal space, An insulating sealing material is formed in the internal space of the housing by the curing of the resin, and seals the tip of the high-voltage cable in the internal space, Equipped with, The high-voltage cable is attached to the housing by being fitted into the entry section. A high-voltage cable connector wherein the space between the high-voltage cable and the inlet is liquid-tight and the high-voltage cable is slidable relative to the inlet.

[0044] Furthermore, this disclosure includes, as a preferred embodiment of the high-voltage cable connector described in Section 1 above, the high-voltage cable connector described in Section 2 below.

[0045] Item 2. The high-voltage cable connector according to Item 1, wherein a sliding sheet is interposed between the high-voltage cable and the introduction portion.

[0046] Furthermore, this disclosure includes, as a preferred embodiment of the high-voltage cable connector described in Section 2 above, the high-voltage cable connector described in Section 3 below.

[0047] Item 3. The high-voltage cable connector described in Item 2, wherein the sliding sheet is attached to the inner surface of the introduction portion.

[0048] Furthermore, this disclosure includes, as a preferred embodiment of the high-voltage cable connector described in Section 3 above, the high-voltage cable connector described in Section 4 below.

[0049] Item 4. The high-voltage cable connector according to Item 3, wherein the sliding sheet is continuously attached to the introduction portion from the inner surface to the end surface opposite to the internal space. [Explanation of Symbols]

[0050] 1. High-voltage cable connector 2 High-voltage cables 3 cabinets 4. Insulating sealant 6. Sliding Seat 22. Tip of high-voltage cable 32 Introduction 33 Internal space of the enclosure 320 Inner surface of the introduction 321 End face of the introduction section

Claims

1. A high-voltage cable connected to a high-voltage power supply, A housing comprising an introduction section for introducing the high-voltage cable into the interior, and configured to house the tip of the high-voltage cable in the internal space, An insulating sealing material is formed in the internal space of the housing by the curing of the resin, and seals the tip of the high-voltage cable in the internal space, Equipped with, The high-voltage cable is attached to the housing by being fitted into the entry section. A high-voltage cable connector is provided in which the high-voltage cable and the introduction part are liquid-tight and the high-voltage cable is slidable relative to the introduction part, A high-voltage cable connector in which a sliding sheet is interposed between the high-voltage cable and the introduction portion.

2. The high-voltage cable connector according to claim 1, wherein the sliding sheet is attached to the inner surface of the introduction portion.

3. The high-voltage cable connector according to claim 2, wherein the sliding sheet is continuously attached to the introduction portion from the inner surface to the end surface opposite to the internal space.

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