CN207993603U

CN207993603U - A kind of epoxy resin pouring dry type discharge coil

Info

Publication number: CN207993603U
Application number: CN201820545760.4U
Authority: CN
Inventors: 曾祥顺
Original assignee: HENGYANG HUARUI ELECTRIC CO Ltd
Current assignee: HENGYANG HUARUI ELECTRIC CO Ltd
Priority date: 2018-04-17
Filing date: 2018-04-17
Publication date: 2018-10-19
Anticipated expiration: 2028-04-17

Abstract

A kind of epoxy resin pouring dry type discharge coil, shell, by the iron core of shell package and winding and the high tension terminal and low tension terminal that are arranged on shell；Electric discharge instruction device is also equipped on shell, electric discharge instruction device includes insulation crust, and insulation crust is equipped with No. 1 connecting terminal and No. 2 connecting terminals, and No. 1 connecting terminal connects low tension terminal, No. 2 connecting terminal ground connection；No. 1 resistance, No. 2 resistance, electromagnet and iron slide plate are equipped in insulation crust, No. 1 resistance and No. 2 resistance are connected into all the way and No. 1 connecting terminal of connection and No. 2 connecting terminals, electromagnet are connected in parallel on the both ends of No. 1 resistance；Electromagnet is located at the left side of iron slide plate, the right side of iron slide plate is equipped with tension spring, it is additionally provided with limited block between electromagnet and iron slide plate, limited block is fixedly connected on the inner wall of insulation crust, a horizontally disposed pin is fixedly connected on the right side of iron slide plate, correspondence offers a column pin hole on the right side wall of insulation crust.

Description

A kind of epoxy resin pouring dry type discharge coil

Technical field

The utility model is related to discharge coil technical field, specially a kind of epoxy resin pouring dry type discharge coil.

Background technology

When capacitor group powers off, releasing safely and fast is needed through discharge coil the electric field energy of capacitor group It goes, to ensure safety when capacitor group reclosing and the safety of maintenance personnel.Common dry-type discharge coil is generally by shell It body, the iron core of enclosure interior, the electric discharge winding for being wound in iron core both sides respectively and secondary winding and is set to above shell point The high tension terminal and low tension terminal not being connected with electric discharge winding and secondary winding are constituted.

Epoxy resin pouring dry type discharge coil generally use vacuum casting process makes shell, epoxy resin shell package Firmly inner-core and winding, binding post extend out to hull outside, form connecting terminal.The epoxy resin shell that vacuum pouring is formed Good insulation effect can be played, substantially increases safety in utilization of the dry-type discharge coil outdoors in environment, but it is still It has the following defects：Whether safe voltage has been discharged into the electricity of capacitor group hereinafter, needing electric power for discharge coil Worker additionally carries instrument and is measured, inconvenient.

Utility model content

In view of the deficiencies of the prior art, the utility model provide it is a kind of may indicate that capacitor group electricity release whether reach Safe voltage epoxy resin pouring dry type discharge coil below.

Have high temperature resistant and high voltage bearing purpose for realization is above-mentioned, the utility model provides the following technical solutions：A kind of ring Oxygen resin casting dry-type discharge coil, shell, by the iron core of shell package and winding and the high-voltage connection that is arranged on shell Column and low tension terminal；

Electric discharge instruction device is also equipped on the shell, the electric discharge instruction device includes insulation crust, the insulation Shell is equipped with No. 1 connecting terminal and No. 2 connecting terminals, and No. 1 connecting terminal connects low tension terminal, No. 2 wiring Terminal ground；

No. 1 resistance, No. 2 resistance, electromagnet and iron slide plate, No. 1 resistance and No. 2 electricity are equipped in the insulation crust Resistance is connected into all the way, and No. 1 resistance front end is connected to No. 1 connecting terminal, and No. 2 resistance rear ends are connected to No. 2 terminals Son, the electromagnet are connected in parallel on the both ends of No. 1 resistance；

The iron slide plate can horizontally slip in insulation crust, and the electromagnet is located at the left side of iron slide plate, described The right side of iron slide plate is equipped with tension spring, limited block is additionally provided between the electromagnet and iron slide plate, the limited block is fixed It is connected on the inner wall of insulation crust, a horizontally disposed pin, the insulation crust is fixedly connected on the right side of the iron slide plate Right side wall on correspondence offer a column pin hole；

When electricity release is not up to safe voltage, the magnetic attraction that the electromagnet is applied to iron slide plate is more than tension spring Elastic force, the iron slide plate are turned left sliding, and are finally resisted against on limited block, and the pin is integrally located at insulation crust at this time In inner cavity；

When electricity release reaches safe voltage, the electromagnet is applied to bullet of the magnetic attraction less than tension spring of iron slide plate Power, the iron slide plate are turned right sliding so that insulation crust is stretched out in the front end of the pin from column pin hole.

Further, rubber plug is equipped in the column pin hole, the rubber plug is fixedly connected on insulation crust, on the rubber plug Offer cross-cut, the pin open-top cross-cut and can be pierced by from rubber plug, and the rubber plug uses elastic rubber Material is made and the elasticity of itself can keep cross-cut to be closed under without outer force effect by its material.

The utility model increases electric discharge instruction device on the basis of existing epoxy resin pouring dry type discharge coil, Electrician may know that whether electricity release reaches safe voltage hereinafter, for example pin is located at insulation by observing pin present position Enclosure, then it represents that electric discharge is not up to safe voltage, if pin front end is extend out to outside insulation crust, it may be considered that electric discharge Reach safe voltage, after increasing the electric discharge instruction device, electrician is no longer needed for additionally carrying detection instrument come after detecting electric discharge Voltage, operation is more convenient.

Description of the drawings

Fig. 1 is the overall structure diagram of the utility model；

When Fig. 2 is that electric discharge is not up to safe voltage, the working state schematic representation for instruction device of discharging in the utility model；

When Fig. 3 is that electric discharge reaches safe voltage, the working state schematic representation for instruction device of discharging in the utility model；

Fig. 4 is the overlooking structure diagram of rubber plug in the utility model.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

See shown in Fig. 1-3, a kind of epoxy resin pouring dry type discharge coil, shell, the iron core and winding that are wrapped up by shell And the high tension terminal and low tension terminal being arranged on shell；

Electric discharge instruction device 1 is also equipped on shell, electric discharge instruction device 1 includes insulation crust 1a, on insulation crust 1a Equipped with No. 1 connecting terminal 1b and No. 2 connecting terminal 1c, No. 1 connecting terminal 1b connection low tension terminal, No. 2 connecting terminal 1c connect Ground；

No. 1 resistance 1d, No. 2 resistance 1e, electromagnet 1f and iron slide plate 1g, No. 1 resistance 1d and 2 are equipped in insulation crust 1a Number resistance 1e is connected into all the way, and No. 1 front end resistance 1d is connected to No. 1 connecting terminal 1b, and No. 2 rear ends resistance 1e are connected to No. 2 and connect Line terminals 1c, electromagnet 1f are connected in parallel on the both ends of No. 1 resistance 1d；

Iron slide plate 1g can horizontally slip in insulation crust 1a, and electromagnet 1f is located at the left side of iron slide plate 1g, iron The right side of slide plate 1g is equipped with tension spring 1h, limited block 1i is additionally provided between electromagnet 1f and iron slide plate 1g, limited block 1i is fixed It is connected on the inner wall of insulation crust 1a, a horizontally disposed pin 1j, insulation crust 1a is fixedly connected on the right side of iron slide plate 1g Right side wall on correspondence offer a column pin hole 1a1；

When electricity release is not up to safe voltage, the magnetic attraction that electromagnet 1f is applied to iron slide plate 1g is more than tension spring 1h Elastic force, iron slide plate 1g turns left sliding, and is finally resisted against on limited block 1i, and pin 1j is integrally located at insulation crust 1a at this time Inner cavity in；

When electricity release reaches safe voltage, electromagnet 1f is applied to the magnetic attraction of iron slide plate 1g less than tension spring 1h's Elastic force, iron slide plate 1g turn right sliding so that insulation crust 1a is stretched out in the front end of pin 1j from column pin hole 1a1.

Above-described embodiment increases electric discharge instruction on the basis of existing dry type outdoor discharge coil cast by epoxy resin Device 1, electrician may know that whether electricity release reaches safe voltage hereinafter, such as pin by observing the present positions pin 1j 1j is located inside insulation crust 1a, then it represents that electric discharge is not up to safe voltage, if the front ends pin 1j are extend out to outside insulation crust 1a Portion, it may be considered that electric discharge reaches safe voltage, after increasing the electric discharge instruction device 1, electrician is no longer needed for additionally carrying inspection Instrument is surveyed to detect the voltage after electric discharge, operation is more convenient.

Further, see shown in Fig. 2-4, rubber plug 1k is additionally provided in column pin hole 1a1, it is outer that rubber plug 1k is fixedly connected on insulation Offer cross-cut 1k1 on shell 1a, rubber plug 1k, pin 1j open-top cross-cut 1k1 and can be pierced by, glue from rubber plug 1k 1k is filled in be made of elastic rubber material and rely on its material elasticity of itself that can keep cross-cut under without outer force effect 1k1 is closed.After rubber plug 1k is set in column pin hole 1a1, dust-proof, waterproof can be played the role of to a certain extent, to The case where insulation crust 1a cleaning insides can preferably be kept and avoid leading to short circuit because of water inlet.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of epoxy resin pouring dry type discharge coil, shell, the iron core wrapped up by shell and winding and setting are in shell On high tension terminal and low tension terminal, it is characterised in that：

Electric discharge instruction device is also equipped on the shell（1）, the electric discharge instruction device（1）Including insulation crust（1a）, institute State insulation crust（1a）It is equipped with No. 1 connecting terminal（1b）With No. 2 connecting terminals（1c）, No. 1 connecting terminal（1b）Connection Low tension terminal, No. 2 connecting terminals（1c）Ground connection；

The insulation crust（1a）Inside it is equipped with No. 1 resistance（1d）, No. 2 resistance（1e）, electromagnet（1f）With iron slide plate（1g）, institute State No. 1 resistance（1d）With No. 2 resistance（1e）It is connected into all the way, No. 1 resistance（1d）Front end is connected to No. 1 connecting terminal （1b）, No. 2 resistance（1e）Rear end is connected to No. 2 connecting terminals（1c）, the electromagnet（1f）It is connected in parallel on No. 1 resistance（1d） Both ends；

The iron slide plate（1g）It can be in insulation crust（1a）Inside horizontally slip, the electromagnet（1f）Positioned at iron slide plate（1g） Left side, the iron slide plate（1g）Right side be equipped with tension spring（1h）, in the electromagnet（1f）With iron slide plate（1g）Between It is additionally provided with limited block（1i）, the limited block（1i）It is fixedly connected on insulation crust（1a）Inner wall on, the iron slide plate （1g）Right side is fixedly connected with a horizontally disposed pin（1j）, the insulation crust（1a）Right side wall on correspondence offer a column Pin hole（1a1）；

When electricity release is not up to safe voltage, the electromagnet（1f）It is applied to iron slide plate（1g）Magnetic attraction be more than draw Spring（1h）Elastic force, the iron slide plate（1g）It turns left sliding, and is finally resisted against limited block（1i）On, the pin at this time （1j）It is integrally located at insulation crust（1a）Inner cavity in；

When electricity release reaches safe voltage, the electromagnet（1f）It is applied to iron slide plate（1g）Magnetic attraction be less than tension spring （1h）Elastic force, the iron slide plate（1g）It turns right sliding so that the pin（1j）Front end from column pin hole（1a1）It stretches out exhausted Edge shell（1a）.

2. epoxy resin pouring dry type discharge coil according to claim 1, it is characterised in that：In the column pin hole （1a1）In be equipped with rubber plug（1k）, the rubber plug（1k）It is fixedly connected on insulation crust（1a）, the rubber plug（1k）On offer ten Notched cut（1k1）, the pin（1j）It can open-top cross-cut（1k1）And from rubber plug（1k）In be pierced by, the rubber plug （1k）It is made of elastic rubber material and the elasticity of itself can keep cross-cut under without outer force effect by its material （1k1）It is closed.