CN209946256U - Insulation indicating lamp - Google Patents
Insulation indicating lamp Download PDFInfo
- Publication number
- CN209946256U CN209946256U CN201920483351.0U CN201920483351U CN209946256U CN 209946256 U CN209946256 U CN 209946256U CN 201920483351 U CN201920483351 U CN 201920483351U CN 209946256 U CN209946256 U CN 209946256U
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- China
- Prior art keywords
- inner shell
- connector
- shell
- conducting ring
- insulating
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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.)
- Expired - Fee Related
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- 238000009413 insulation Methods 0.000 title claims abstract description 24
- 239000003292 glue Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an insulation indicator, which comprises an outer shell, inner shell and bottom, inner shell outside cover is equipped with the connector, it leads electrical pillar to be provided with the second on the connector, the inner shell middle part is provided with first leading electrical pillar, the second is led electrical pillar and first to be led and is provided with insulating gasket between electrical pillar, be provided with insulating sleeve between connector and the inner shell, the inner shell is the halfcylinder inner shell, inner shell upper portion is provided with the conducting ring, conducting ring and inner shell fixed connection, conducting ring fixed connection is led to conducting ring and second, be provided with the mutual-inductor of measuring current in the inner shell, the second is led electrical pillar and first to lead electrical pillar and all passes the mutual-inductor, the inside fixed plate that is provided with of shell, the circuit board on mutual-inductor and the fixed. The utility model adopts the above structure an insulating pilot lamp, it is insulating fixed reliable, small, detectivity is high, reaches timely early warning effect.
Description
Technical Field
The utility model belongs to the technical field of the detection technique and specifically relates to an insulation indicator lamp is related to.
Background
The bushing is one of the main components of power equipment such as high-voltage and ultrahigh-voltage transformers, reactors, circuit breakers and the like, and the economic loss caused by equipment faults caused by the bushing is far greater than the value of the bushing, so that at present, explosion accidents caused by current leakage to the ground due to damage of the insulating layer of the bushing are caused. Therefore, it is necessary to design a sensor that lights up an indicator lamp when an electric leakage occurs to warn a user. The end screen on the bushing is of a single-core structure, so that disconnection is not allowed in the middle of reliable grounding, the sensor can only adopt a feedthrough mutual inductor, but when the bushing fails, the leakage current to the ground is only tens of milliamperes, so that the small current of tens of milliamperes is used for lighting the diode, which is a technical difficulty. Therefore, under the condition that the structure of the sleeve is not changed, the technical problem to be solved urgently by scientific researchers is that a diode needs to be lightened by using a small current of more than ten milliamperes.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an insulating pilot lamp can improve detectivity when not increasing the volume.
In order to achieve the above object, the utility model provides an insulation indicator lamp, which comprises an outer shell, an inner shell and a bottom cover, wherein a connector is sleeved on the outer side of the inner shell, a second conductive column is arranged on the connector, a first conductive column is arranged in the middle of the inner shell, an insulation gasket is arranged between the second conductive column and the first conductive column, an insulation sleeve is arranged between the connector and the inner shell, the inner shell is a semi-cylinder inner shell, a conductive ring is arranged on the upper part of the inner shell, the conductive ring is fixedly connected with the second conductive column, a current-detecting mutual inductor is arranged in the inner shell, the second conductive column and the first conductive column both pass through the mutual inductor, a fixed plate is arranged in the outer shell, the mutual inductor is connected with a circuit board on the fixed, the bottom cover is provided with a light hole, and the indicator light is arranged opposite to the light hole.
Preferably, a contact spring is arranged at the bottom of the connector, and the bottom of the contact spring is in contact with the fixing plate.
Preferably, the bottom of the connector is provided with a spring groove, one end of the contact spring is arranged in the spring groove, the upper end of the fixing plate is provided with the spring groove, and the other end of the contact spring is arranged in the spring groove on the fixing plate.
Preferably, the first conductive column is provided with a semi-cylinder groove, the second conductive column is a semi-cylinder, and the insulating gasket is an L-shaped insulating gasket.
Preferably, the outer wall of the conductive ring is in threaded connection with the inner shell, and the inner wall of the conductive ring is in threaded connection with the outer wall of the second conductive post.
Preferably, a fixed insulating glue is poured into the shell.
Therefore, the utility model adopts the above structure an insulating pilot lamp makes the electric current through the inner shell pass through the mutual-inductor once more through conducting ring and connector for the total amount of current through the mutual-inductor increases to two times original, thereby has reduced required measuring current, under the unchangeable circumstances of volume, has improved detectivity.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an insulation indicator of the present invention;
FIG. 2 is a schematic view of an inner housing structure of an insulation indicator lamp according to the present invention;
fig. 3 is a schematic structural view of an insulation indicator connector according to the present invention;
fig. 4 is a schematic structural view of an insulation sleeve of an insulation indicator lamp according to the present invention;
fig. 5 is the utility model relates to an insulating indicator light insulating gasket structural schematic diagram.
Reference numerals
1. A housing; 2. conducting rings; 3. an inner shell; 301. a first conductive post; 4. an insulating sleeve; 5. a connector; 501. a second conductive post; 6. an insulating spacer; 7. a transformer; 8. a contact spring; 9. a fixing plate; 10. a bottom cover.
Detailed Description
Examples
FIG. 1 is a schematic diagram of an insulation indicating lamp structure of the present invention, FIG. 2 is a schematic diagram of an inner shell structure of an insulation indicating lamp of the present invention, FIG. 3 is a schematic diagram of a connector structure of an insulation indicating lamp of the present invention, FIG. 4 is a schematic diagram of an insulation sleeve structure of an insulation indicating lamp of the present invention, FIG. 5 is a schematic diagram of an insulation spacer structure of an insulation indicating lamp of the present invention, as shown in FIGS. 1-5, an insulation indicating lamp comprises an outer shell 1, an inner shell 3 and a bottom cover 10, a connector 5 is sleeved outside the inner shell 3, a second conductive column 501 is provided on the connector 5, a first conductive column 301 is provided in the middle of the inner shell 3, an insulation spacer 6 is provided between the second conductive column 501 and the first conductive column 301, an insulation sleeve 4 is provided between the connector 5 and the inner shell 3, the inner shell 3 is a semi-cylindrical, the conductive ring 2 is fixedly connected to the inner casing 3, and the conductive ring 2 is fixedly connected to the second conductive pillar 501. The first conductive column 301 is provided with a semi-cylindrical groove, the second conductive column 501 is a semi-cylindrical, and the insulating spacer 6 is an L-shaped insulating spacer. The outer wall of the conductive ring 2 is connected to the inner casing 3 by a screw, and the inner wall of the conductive ring 2 is connected to the outer wall of the second conductive pillar 501 by a screw. The top end of the L-shaped insulating gasket is fixedly connected with the top end of the second conductive column 501 through a screw. Fixed insulating glue is poured in the shell 1. The inner shell 3 is internally provided with a current detecting mutual inductor 7, the second conductive column 501 and the first conductive column 301 penetrate through the mutual inductor 7, the outer shell 1 is internally provided with a fixing plate 9, the mutual inductor 7 is connected with a circuit board on the fixing plate 9, the bottom of the connector 5 is provided with a contact spring 8, and the bottom of the contact spring 8 is in contact with the fixing plate 9. The bottom of the connector 5 is provided with a spring groove, one end of the contact spring 8 is arranged in the spring groove, the upper end of the fixing plate 9 is provided with the spring groove, and the other end of the contact spring 8 is arranged in the spring groove on the fixing plate 9. The circuit board is provided with an indicator light, the bottom cover 10 is provided with a light hole, and the indicator light and the light hole are arranged oppositely. The first conductive column 301 of the inner shell 3 is connected with the device to be tested, and the current flows through the first conductive column 301, the outer wall of the inner shell 3, the conductive ring 2, the second conductive column 501, the contact spring 8 and the circuit board in sequence, so that the detected current passes through the transformer 7 twice, the total current passing through the transformer 7 is increased to twice of the original current, and the required detection current is reduced. The insulation and the relative position between the inner shell 3 and the connector 5 are kept unchanged by arranging the insulating gasket 6, the insulating sleeve 4 and pouring the insulating fixing glue, and the safety and the reliability are realized.
Therefore, the utility model adopts the above structure an insulating pilot lamp makes the electric current through inner shell 3 pass through mutual-inductor 7 once more through conducting ring 2 and connector 5 for the total amount of current through mutual-inductor 7 increases to two times original, thereby has reduced required measuring current, under the unchangeable circumstances of volume, has improved detectivity.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides an insulation indicator lamp, includes shell, inner shell and bottom, its characterized in that: the outer side of the inner shell is sleeved with a connector, the connector is provided with a second conductive post, the middle part of the inner shell is provided with a first conductive post, an insulating gasket is arranged between the second conductive column and the first conductive column, an insulating sleeve is arranged between the connector and the inner shell, the inner shell is a semi-cylinder inner shell, the upper part of the inner shell is provided with a conducting ring, the conducting ring is fixedly connected with the inner shell, the conducting ring is fixedly connected with the second conducting post, a mutual inductor for detecting current is arranged in the inner shell, the second conductive column and the first conductive column both penetrate through the mutual inductor, a fixing plate is arranged inside the shell, the mutual inductor is connected with the circuit board on the fixing plate, the circuit board is provided with an indicator light, the bottom cover is provided with a light hole, and the indicator light and the light hole are arranged oppositely.
2. An insulated indicator light as claimed in claim 1, wherein: the bottom of the connector is provided with a contact spring, and the bottom of the contact spring is in contact with the fixing plate.
3. An insulated indicator light as claimed in claim 2, wherein: the connector bottom is provided with the spring groove, contact spring one end set up in the spring inslot, the fixed plate upper end is provided with the spring groove, the contact spring other end set up in the spring inslot on the fixed plate.
4. An insulated indicator light as claimed in claim 3, wherein: the first conductive column is provided with a semi-cylinder groove, the second conductive column is a semi-cylinder, and the insulating gasket is an L-shaped insulating gasket.
5. An insulated indicator light as claimed in claim 4, wherein: the outer wall of the conducting ring is in threaded connection with the inner shell, and the inner wall of the conducting ring is in threaded connection with the outer wall of the second conducting column.
6. An insulated indicator light as claimed in claim 5, wherein: and fixed insulating glue is poured in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483351.0U CN209946256U (en) | 2019-04-11 | 2019-04-11 | Insulation indicating lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920483351.0U CN209946256U (en) | 2019-04-11 | 2019-04-11 | Insulation indicating lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946256U true CN209946256U (en) | 2020-01-14 |
Family
ID=69127311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920483351.0U Expired - Fee Related CN209946256U (en) | 2019-04-11 | 2019-04-11 | Insulation indicating lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946256U (en) |
-
2019
- 2019-04-11 CN CN201920483351.0U patent/CN209946256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |