Capacitor protective cover

Abstract

A capacitor protective cover comprises a cover body and a mounting plate, a containing cavity used for containing a capacitor is formed in the cover body, and a capacitor mounting hole used for mounting the capacitor and an oil drainage hole used for oil drainage of the capacitor are formed in the bottom of the cover body; the cover body is fixed on the mounting plate, a mounting bottom hole is formed in the mounting plate, and the cover body and the mounting plate are fixed by inserting a bolt into the mounting bottom hole, so that the cover body and the mounting plate are prevented from moving; the cover body and the mounting plate are of a structure formed by integral mold opening, and the cover body and the mounting plate are formed by pouring epoxy glass resin; the epoxy glass resin has good insulating property and bearing capacity so as to eliminate the potential safety hazard that the capacitor shell is easy to have high voltage; and meanwhile, the liquid collecting plate for collecting the oil is arranged on the outer side of the bottom of the cover body, so that the oil is prevented from leaking in the rectifier cabinet, and safe operation of equipment is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor protection technical field especially relates to a capacitor protection cover. BACKGROUND

[0002] There are a large number of semiconductor devices in rectifier cabinet, in order to absorb the overvoltage of both ends of semiconductor device, need to install a large number of capacitors in rectifier cabinet, for absorbing the overvoltage generated by semiconductor device, thereby protecting the safe operation of equipment.

[0003] Capacitor generally selects oil-immersed electrolytic round capacitor, is installed on the insulating material in rectifier cabinet, and the shell of capacitor is generally made of aluminum, in order to be safe for main circuit, the shell of capacitor does not carry out grounding treatment.Capacitor is under the overvoltage generated at all times, once the insulating material in rectifier cabinet is destroyed, the shell of capacitor is easy to exist high voltage, and it is very dangerous for operator to touch, and there is a security risk. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem in the prior art to provide a capacitor protection cover.

[0005] The utility model solves the technical problem by adopting the following technical scheme:

[0006] A capacitor protection cover, including cover and mounting plate, wherein, the cover is provided with the cavity for accommodating capacitor, the cover bottom is provided with the capacitor mounting hole for installing capacitor and the oil drain hole for capacitor oil drain;The cover is fixed on the mounting plate, and the mounting plate is provided with a mounting hole, and the cover and the mounting plate are fixed by inserting bolts in the mounting hole to prevent the cover and the mounting plate from moving.

[0007] In the utility model, the cover and the mounting plate are integrally opened and molded, and the cover and the mounting plate are made of epoxy glass resin, which has good insulation performance and bearing capacity.

[0008] In the utility model, the upper part of the cover is an open structure, which is convenient for taking and placing capacitors.

[0009] In the utility model, the bottom outside of the cover is provided with a liquid collecting plate for collecting oil, which prevents oil from leaking in the rectifier cabinet.

[0010] In the utility model, the oil drain holes are symmetrically arranged on both sides of the capacitor mounting hole.

[0011] In the utility model, the mounting holes are symmetrically arranged on the mounting plate located on the periphery of the cover.

[0012] Beneficial effects: the utility model discloses a cover body and mounting plate are the structure of integral moulding, and the structure of integral moulding is by epoxy glass resin pouring and forms, and epoxy glass resin has good insulation performance and bearing capacity, to eliminate the security risk of the easy existence of high voltage of capacitor shell, and simultaneously, the liquid collecting plate for collecting oil is provided on the bottom outside of cover body, prevents oil leakage in rectifier cabinet, to protect the safe operation of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the structure diagram of preferable embodiment of the utility model.

[0014] Fig. 2 It is the top view of preferable embodiment of the utility model.

[0015] Fig. 3 It is the bottom view of preferable embodiment of the utility model. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0017] Referring to Figs. 1-3 The capacitor protection cover shown in the figure includes cover body 1, mounting plate 2, mounting bottom hole 3, capacitor mounting hole 4 and oil drain hole 5, wherein, the cover body 1 is provided with a cavity for accommodating capacitor, the bottom of the cover body 1 is provided with capacitor mounting hole 4 for mounting capacitor and oil drain hole 5 for capacitor oil drain, the cover body 1 is fixed on the mounting plate 2, the mounting plate 2 is provided with mounting bottom hole 3, the cover body 1 and the mounting plate 2 are fixed by inserting bolts in the mounting bottom hole 3 to prevent the cover body 1 and the mounting plate 2 from moving.

[0018] In the embodiment, the cover body 1 and the mounting plate 2 are the structure of integral moulding, and the cover body 1 and the mounting plate 2 are made of epoxy glass resin pouring, and the epoxy glass resin has good insulation performance and bearing capacity.

[0019] In the embodiment, the upper part of the cover body 1 is an open structure, which is convenient for taking and placing capacitor.

[0020] In the embodiment, the bottom outside of the cover body 1 is provided with a liquid collecting plate for collecting oil, which prevents oil from leaking in the rectifier cabinet.

[0021] In the embodiment, the oil drain hole 5 is symmetrically arranged on both sides of the capacitor mounting hole 4.

[0022] In the embodiment, the mounting bottom hole 3 is symmetrically arranged on the mounting plate 2 located at the periphery of the cover body 1.

[0023] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A capacitive shield comprising a shield body and a mounting plate, characterized in that, The cover body is internally provided with a cavity for accommodating a capacitor, and the bottom of the cover body is provided with a capacitor mounting hole for mounting the capacitor and a oil leakage hole for oil leakage of the capacitor; the cover body is fixed on a mounting plate, the mounting plate is provided with a mounting bottom hole; and the cover body and the mounting plate are made by epoxy glass resin casting.

2. A capacitive shield according to claim 1, wherein, The cover body and the mounting plate are integrally made by open mold.

3. A capacitive shield according to claim 1, wherein, The upper part of the cover body is in an open structure.

4. A capacitive shield according to claim 1, wherein, The bottom of the cover body is externally provided with a liquid collecting plate for collecting oil.

5. A capacitive shield according to claim 1, wherein, The oil leakage holes are symmetrically arranged on both sides of the capacitor mounting hole.

6. A capacitive shield according to claim 1, wherein, The mounting bottom holes are symmetrically arranged on the mounting plate at the periphery of the cover body.

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