CN109828143A - Insulate indicator light - Google Patents
Insulate indicator light Download PDFInfo
- Publication number
- CN109828143A CN109828143A CN201910287710.XA CN201910287710A CN109828143A CN 109828143 A CN109828143 A CN 109828143A CN 201910287710 A CN201910287710 A CN 201910287710A CN 109828143 A CN109828143 A CN 109828143A
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- CN
- China
- Prior art keywords
- inner casing
- conductive column
- indicator light
- connector
- conducting ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a kind of set pipe insulation indicator lights, including shell, inner casing and bottom cover, it is characterized by: inner casing outer sheath is equipped with connector, the second conductive column is provided on connector, the first conductive column is provided in the middle part of inner casing, insulation spacer is provided between second conductive column and the first conductive column, insulating sleeve is provided between connector and inner casing, inner casing is semicylinder inner casing, inner casing top is provided with conducting ring, conducting ring is fixedly connected with inner casing, conducting ring is fixedly connected with the second conductive column, the mutual inductor of detection electric current is provided in inner casing, second conductive column and the first conductive column both pass through mutual inductor, interior of shell is provided with fixed plate, mutual inductor is connected with the circuit board in fixed plate, indicator light is provided on circuit board, loophole is provided on bottom cover, indicator light is oppositely arranged with loophole.A kind of set pipe insulation indicator light of the present invention using the above structure insulate fixed reliable, and small in size, detection sensitivity is high, reaches timely early warning effect.
Description
Technical field
The present invention relates to detection technique fields, more particularly, to a kind of set pipe insulation indicator light.
Background technique
Casing is one of main component of power equipments such as high pressure and EHV transformer, reactor, breaker, and by covering
The equipment fault bring economic loss that pipe causes is much larger than the value of casing itself, currently, having occurred and that excessive cause casing
Insulating layer damages the explosion accident for generating Leakage Current over the ground and causing.Therefore it is bright to design a kind of indicator light when there is electric leakage to occur
Sensor warn user very it is necessary to.And the end shield on casing is using only cored structure, to guarantee reliable ground
Centre does not allow to break, so sensor can only use punch current transfomer, but the earth leakage current when casing breaks down
Having more than ten milliamperes therefore to light diode with more than ten milliamperes of low currents becomes the difficult point of technology.So needing do not changing casing sheet
In the case where body structure, lighting diode with more than ten milliamperes of low currents is scientific research personnel's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of set pipe insulation indicator lights, and detection spirit can be improved while not increasing volume
Sensitivity.
It to achieve the above object, include shell, inner casing and bottom cover, institute the present invention provides a kind of set pipe insulation indicator light
It states inner casing outer sheath and is equipped with connector, the second conductive column is provided on the connector, first is provided in the middle part of the inner casing and leads
Electric column, is provided with insulation spacer between second conductive column and first conductive column, the connector and the inner casing it
Between be provided with insulating sleeve, the inner casing is semicylinder inner casing, and the inner casing top is provided with conducting ring, the conducting ring with
The inner casing is fixedly connected, and the conducting ring is fixedly connected with second conductive column, and detection electric current is provided in the inner casing
Mutual inductor, second conductive column and first conductive column both pass through the mutual inductor, and the interior of shell is provided with solid
Fixed board, the mutual inductor are connected with the circuit board in the fixed plate, and indicator light, the bottom cover are provided on the circuit board
On be provided with loophole, the indicator light is oppositely arranged with loophole.
Preferably, the connector bottom is provided with contact spring, and the contact spring bottom connects with the fixed plate
Touching.
Preferably, the connector bottom is provided with spring groove, and described contact spring one end is set in the spring groove,
The dead plate upper end is provided with spring groove, and the contact spring other end is set in the spring groove in the fixed plate.
Preferably, first conductive column is provided with semicylinder groove, and second conductive column is semicylinder, described
Insulation spacer is L-type insulation spacer.
Preferably, the outer wall of the conducting ring is threadedly coupled with the inner casing, and the conducting ring inner wall is led with described second
The outer wall thread of electric column connects.
Preferably, fixed insulating cement is cast in the shell.
Therefore, a kind of set pipe insulation indicator light of the present invention using the above structure, to lead to by conducting ring and connector
The electric current of inner casing is crossed again by mutual inductor, so that original two times are increased to by the electric current total amount of mutual inductor, to reduce
Required detection electric current improves detection sensitivity in the case where constancy of volume.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of set pipe insulation indicating lamp structure schematic diagram of the present invention；
Fig. 2 is a kind of set pipe insulation indicator light inner casing configuration schematic diagram of the present invention；
Fig. 3 is a kind of set pipe insulation indicator light connector construction schematic diagram of the present invention；
Fig. 4 is a kind of set pipe insulation indicator light tube form schematic diagram of the present invention；
Fig. 5 is a kind of set pipe insulation indicator light insulation spacer structural schematic diagram of the present invention.
Appended drawing reference
1, shell；2, conducting ring；3, inner casing；301, the first conductive column；4, insulating sleeve；5, connector；501, it second leads
Electric column；6, insulation spacer；7, mutual inductor；8, contact spring；9, fixed plate；10, bottom cover.
Specific embodiment
Embodiment
Fig. 1 is a kind of set pipe insulation indicating lamp structure schematic diagram of the present invention, and Fig. 2 is a kind of set pipe insulation indicator light of the present invention
Inner casing configuration schematic diagram, Fig. 3 are a kind of set pipe insulation indicator light connector construction schematic diagram of the present invention, and Fig. 4 is that the present invention is a kind of
Pipe insulation indicator light tube form schematic diagram is covered, Fig. 5 is that a kind of set pipe insulation indicator light insulation spacer structure of the present invention is shown
It is intended to, as shown in Figs. 1-5, a kind of set pipe insulation indicator light includes shell 1, inner casing 3 and bottom cover 10, and 3 outer sheath of inner casing is equipped with
Connector 5 is provided with the second conductive column 501 on connector 5, the first conductive column 301, the second conductive column is provided in the middle part of inner casing 3
501 and first are provided with insulation spacer 6 between conductive column 301, and insulating sleeve 4, inner casing 3 are provided between connector 5 and inner casing 3
For semicylinder inner casing, 3 top of inner casing is provided with conducting ring 2, and conducting ring 2 is fixedly connected with inner casing 3, and conducting ring 2 is led with second
Electric column 501 is fixedly connected.First conductive column 301 is provided with semicylinder groove, and the second conductive column of the present embodiment 501 is semicolumn
Body, the present embodiment insulation spacer 6 are L-type insulation spacer.The outer wall of conducting ring 2 is threadedly coupled with inner casing 3,2 inner wall of conducting ring with
The outer wall thread of second conductive column 501 connects.L-type insulation spacer top and 501 top of the second conductive column connect by the way that screw is fixed
It connects.Fixed insulating cement is cast in shell 1.The mutual inductor 7 of detection electric current, the second conductive column 501 and first are provided in inner casing 3
Conductive column 301 both passes through mutual inductor 7, and shell 1 is internally provided with fixed plate 9, and mutual inductor 7 is connected with the circuit board in fixed plate 9
It connects, 5 bottom of connector is provided with contact spring 8, and 8 bottom of contact spring is in contact with fixed plate 9.5 bottom of connector is provided with
Spring groove, 8 one end of contact spring are set in spring groove, and 9 upper end of fixed plate is provided with spring groove, and 8 other end of contact spring is set
It is placed in the spring groove in fixed plate 9.It is provided with indicator light on circuit board, is provided with loophole on bottom cover 10, indicator light and thoroughly
Unthreaded hole is oppositely arranged.First conductive column 301 of inner casing 3 is connected with equipment under test, electric current flow successively through the first conductive column 301,
3 outer wall of inner casing, conducting ring 2, the second conductive column 501, contact spring 8 and circuit board, so that the electric current of detection passes through mutual inductor 7
Twice, so that increasing to original two times by the electric current total amount of mutual inductor 7, to reduce required detection electric current.Pass through
Setting insulation spacer 6, insulating sleeve 4 and casting insulated fixed glue to keep insulation and opposite between inner casing 3 and connector 5
Position is constant, securely and reliably.
Therefore, a kind of set pipe insulation indicator light of the present invention using the above structure to lead to by conducting ring 2 and connector 5
The electric current of inner casing 3 is crossed again by mutual inductor 7, so that original two times are increased to by the electric current total amount of mutual inductor 7, to subtract
Small required detection electric current improves detection sensitivity in the case where constancy of volume.
It is a specific embodiment of the invention above, but protection scope of the present invention should not be limited to thoses mentioned above.It is any to be familiar with sheet
Within the technical scope disclosed by the invention, any changes or substitutions that can be easily thought of by the technical staff in field, should all cover at this
Within the protection scope of invention, therefore protection scope of the present invention should be determined by the scope of protection defined in the claims.
Claims (6)
1. a kind of set pipe insulation indicator light, including shell, inner casing and bottom cover, it is characterised in that: the inner casing outer sheath is equipped with
Connector is provided with the second conductive column on the connector, and the first conductive column is provided in the middle part of the inner casing, and described second is conductive
It is provided with insulation spacer between column and first conductive column, is provided with insulating sleeve between the connector and the inner casing,
The inner casing is semicylinder inner casing, and the inner casing top is provided with conducting ring, and the conducting ring is fixedly connected with the inner casing,
The conducting ring is fixedly connected with second conductive column, be provided in the inner casing detection electric current mutual inductor, described second
Conductive column and first conductive column both pass through the mutual inductor, and the interior of shell is provided with fixed plate, the mutual inductor with
Circuit board in the fixed plate is connected, and indicator light is provided on the circuit board, and loophole, institute are provided on the bottom cover
Indicator light is stated to be oppositely arranged with loophole.
2. a kind of set pipe insulation indicator light according to claim 1, it is characterised in that: the connector bottom, which is provided with, to be connect
Spring is touched, the contact spring bottom is in contact with the fixed plate.
3. a kind of set pipe insulation indicator light according to claim 2, it is characterised in that: the connector bottom is provided with bullet
Spring slot, described contact spring one end are set in the spring groove, and the dead plate upper end is provided with spring groove, the contact bullet
The spring other end is set in the spring groove in the fixed plate.
4. a kind of set pipe insulation indicator light according to claim 3, it is characterised in that: first conductive column is provided with half
Cylindrical body groove, second conductive column are semicylinder, and the insulation spacer is L-type insulation spacer.
5. a kind of set pipe insulation indicator light according to claim 4, it is characterised in that: the outer wall of the conducting ring with it is described
Inner casing is threadedly coupled, and the conducting ring inner wall is connect with the outer wall thread of second conductive column.
6. a kind of set pipe insulation indicator light according to claim 5, it is characterised in that: be cast in the shell fixed exhausted
Edge glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287710.XA CN109828143A (en) | 2019-04-11 | 2019-04-11 | Insulate indicator light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910287710.XA CN109828143A (en) | 2019-04-11 | 2019-04-11 | Insulate indicator light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109828143A true CN109828143A (en) | 2019-05-31 |
Family
ID=66874961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910287710.XA Withdrawn CN109828143A (en) | 2019-04-11 | 2019-04-11 | Insulate indicator light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109828143A (en) |
-
2019
- 2019-04-11 CN CN201910287710.XA patent/CN109828143A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190531 |