CN203965569U - A kind of electric power line fault indicator - Google Patents
A kind of electric power line fault indicator Download PDFInfo
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- CN203965569U CN203965569U CN201420403502.4U CN201420403502U CN203965569U CN 203965569 U CN203965569 U CN 203965569U CN 201420403502 U CN201420403502 U CN 201420403502U CN 203965569 U CN203965569 U CN 203965569U
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- spring
- fault indicator
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Abstract
A kind of electric power line fault indicator, belongs to proving installation field.Comprise shell, it is provided for respectively the column of mounting spring and line ball lid in the arranged on left and right sides of described shell upper; Be provided with U-shaped or half elliptic low groove at column left and right sidewall crown center; The left and right sidewall close end of column place is provided with bolt hole, in individual bolt hole, is provided with bolt; The left and right sidewall of line ball lid centre position be provided with low groove with respect to upper groove; Between the top of two upper grooves of line ball lid, be provided with hook post; Between hook post and the bolt of column, spring is set, the two ends of spring are connected with the bolt at hook post and column close end place respectively.The sealing structure of its whole device is functional, installation, convenient disassembly, and indicating fault is obvious, is not easy to get rusty, simple in structure, becomes local, reliable, is easy to promote the use of.Can be widely used in fault detect and the demonstration field of power circuit.
Description
Technical field
The utility model belongs to the proving installation field of electric fault, relates in particular to a kind of device for exploration cable, transmission line or network fault.
Background technology
Electric power line fault indicator is a kind of failure message indicating device for detection of also whether the fault loop of indicating user power circuit flows through herein.Its principle of work is in the time that power circuit breaks down, due to electric parameter sudden change in circuit, around power circuit, produce the variation of magnetic field and electric field, the operation circuit of electric power line fault indicator inside monitors these variablees, whether automatic decision fault loop flows through herein, and then output alarm signal drives display section work, and the flash red pilot lamp of reporting to the police, thereby reach the object of indication fault line fault.
Though existing all kinds of electric power line fault indicator can detection line fault, but also exist, device is installed, dismounting is inconvenient, and indicating fault is not obvious, misoperation rate card line apparatus high and power circuit the problem such as get rusty easily.
Granted publication day is on 05 30th, 2012, in the Chinese utility model patent that Granted publication number is CN202256580U, disclose a kind of " electric power line fault indicator ", it comprises, shell, the thread jamming part that is contained in shell upper divide, have detect arbitration functions control circuit part, there is the indicating section of fault indication function; Described shell, comprises left column and right column, is U-shaped on housing top; Thread jamming part divides, and comprises spring and tension disc; Described tension disc, becomes J-shaped, is connected respectively by rotating shaft with the mounting hole of described shell left and right pillar, can rotate relative to described left and right pillar, electrical lead is stuck in the V-type groove of left and right pillar respectively from the left and right sides; Described spring, for connecting the bolt on tension disc and column, when installing card line spring in extended state, tension disc be triggered rear spring shrink, tension disc compress electrical lead.
This technical scheme can solve in prior art and to install, dismounting is inconvenient, and indicating fault is not obvious, and misoperation rate card line apparatus high and power circuit easily damages cable and the problem such as get rusty, but, its device structure complexity, cost is high, failure rate is high, applies certain difficulty.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electric power line fault indicator, and it is installed, convenient disassembly, and indicating fault is obvious, is not easy to get rusty, simple in structure, becomes local, reliable, is easy to promote the use of.
The technical solution of the utility model is: a kind of electric power line fault indicator is provided, comprises shell, it is characterized in that: in the arranged on left and right sides of described shell upper, be provided for respectively the column of mounting spring and line ball lid; At the left and right sidewall crown center of described column, be provided with U-shaped or half elliptic low groove; The left and right sidewall close end place of described column is provided with at least one bolt hole, and in each bolt hole, correspondence is provided with bolt respectively; Described line ball lid is the square structure matching with described column shape; The left and right sidewall centre position of described line ball lid, be provided with described low groove with respect to upper groove; Between the top of two upper grooves of described line ball lid, be provided with the hook post for hook spring; Between described hook post and the bolt of described column, at least one spring is set, the two ends of described spring, are connected with described hook post and the bolt of described column respectively.
Column described in it is the rectangular drum like structure of hollow.
In shell described in it, be provided with the current sensor for carrying out cable line detection, on described current sensor, be provided with light emitting diode, on described shell, light-guiding pillar is set, described light emitting diode is connected with described light-guiding pillar light path by optical fiber.
Current sensor described in it and the quantity of light-guiding pillar are respectively four, and four described current sensors are respectively A phase, B phase, C phase and zero sequence current sensor, and four described light-guiding pillars are arranged on the same panel of described case surface.
At the inner surface of described upper groove and low groove, be respectively arranged with one deck elastic rubber layer.
Compared with the prior art, the utility model has the advantages that:
1. its line ball lid is the square structure adapting with the shape of column, makes sealing structure functional, can prevent that aqueous vapor from entering its inside, avoids destroying circuit, has anticorrosive, aging-resistant effect;
2. adopt U-shaped or half elliptic low groove, make to install more convenient, laminating Du Genggao, has avoided the problems such as V-type groove is installed inconvenience, laminating degree is low;
3. installation, convenient disassembly, indicating fault is obvious, is not easy to get rusty, simple in structure, becomes local, reliable, is easy to promote the use of.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure, 1 is shell, and 2 is column, and 3 is low groove, and 4 is mounting hole, and 5 is line ball lid, and 6 is upper groove, and 7 is hook post, and 8 is current sensor, and 9 is light emitting diode, and 10 is optical fiber, and 11 is light-guiding pillar.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
In Fig. 1, the technical program provides a kind of cable line fault indicator, comprise shell 1, described shell adopts all insulation waterproof material, as nonmetal insulation polyester material, and through nano antifouling surface treatment, this shell is used for encapsulating electric power line fault indicator, prevent that aqueous vapor from entering its inside, destroy circuit, there is anticorrosive, aging-resistant effect;
The described shell upper left and right sides is provided with the column 2 for mounting spring and line ball lid 5, described column is the side's of being tubular construction all, the left and right sidewall crown center of column is provided with U-shaped or half elliptic low groove 3, make to install more convenient, laminating Du Genggao, has avoided V-type groove that the problems such as inconvenient, laminating degree is low are installed.
The both sides, front and back of low groove are provided with the mounting hole for line ball lid 4 is installed, and the sidewall close end place, left and right of described column is provided with bolt hole 4, for the bolt of fixing hook spring.
The shape of line ball lid and column adapts, and is square structure, makes sealing structure functional, prevents that aqueous vapor from entering its inside, avoids destroying circuit, has anticorrosive, aging-resistant effect.
The sidewall centre position, left and right of line ball lid be provided with described low groove with respect to upper groove 6, thereby wire is stuck between upper groove and low groove, between the top of two upper grooves of line ball lid, be provided with the hook post 7 for spring described in hook, described spring is connected between the hook post and the bolt of described column of tension disc, makes line ball lid fixing more firm; Described upper groove and the inner side of low groove are equipped with one deck elastic rubber layer, make wire fixing tightr, not yielding.
Be provided with in the enclosure the current sensor 8 for carrying out cable line detection, described current sensor is provided with the light emitting diode 9 that shows use, and described light emitting diode is connected with light-guiding pillar 11 light paths by optical fiber 10.
Light emitting diode is connected on the output circuit of current sensor, its connected mode can be determined according to the parameter of the running parameter of prior art and current sensor and light emitting diode, make the induction current of the current sensor light emitting diode of partly or entirely flowing through, when the induction current on current sensor exceedes after certain threshold value, stimulated luminescence LED lighting.
Described light emitting diode is directional light light emitting diode, the center line of the input link of described light emitting diode is consistent with the radiation direction that described light emitting diode sends, the center line of the output link of described light emitting diode and described light emitting diode the center line of luminous bundle be located along the same line, the center line of output link and the center line of described light-guiding pillar of described light emitting diode are located along the same line, to reduce light loss, improve coupling effect.
The output link of described light emitting diode and the input end of described light-guiding pillar insert respectively described optical fiber fixture and are fixed together with described optical fiber fixture from the two ends of described optical fiber fixture, make structure more firm, reliable.
Equal 4 of the quantity of described current sensor and light-guiding pillar, described current sensor and light-guiding pillar are corresponding one by one, and interconnect by optical fiber separately respectively, 4 described current sensors are respectively A phase, B phase, C phase and zero sequence current sensor, and described 4 light-guiding pillars are arranged on same panel.
The utility model principle of work:
When actual use, current sensor in this device is arranged on corresponding line, cable, when online, cable is switched on, produce induction current, in the time there is the faults such as short circuit, induction current in corresponding line, cable increases, the output current of corresponding current mutual inductor increases, be connected to light emitting diode on current sensor output loop luminous because corresponding electric current exceedes its lasing threshold, the light that light emitting diode sends imports light-guiding pillar into through optical fiber, whether be luminously arranged on light-guiding pillar on shell by observation thus, just can demonstrate intuitively the failure condition of circuit.
Because line ball lid of the present utility model is the square structure adapting with the shape of column, be equipped with one deck elastic rubber layer in the inner side of upper groove and low groove, make the sealing structure of whole device functional, can prevent that aqueous vapor from entering its inside, avoid destroying circuit, there is anticorrosive, aging-resistant effect; Adopt U-shaped or half elliptic low groove, make to install more convenient, laminating Du Genggao, has avoided the problems such as V-type groove is installed inconvenience, laminating degree is low; Whole device is installed, convenient disassembly, and indicating fault is obvious, is not easy to get rusty, simple in structure, becomes local, reliable, is easy to promote the use of.
The utility model can be widely used in fault detect and the demonstration field of power circuit.
Claims (5)
1. an electric power line fault indicator, comprises shell, it is characterized in that:
In the arranged on left and right sides of described shell upper, be provided for respectively the column of mounting spring and line ball lid;
At the left and right sidewall crown center of described column, be provided with U-shaped or half elliptic low groove;
The left and right sidewall close end place of described column is provided with at least one bolt hole, and in each bolt hole, correspondence is provided with bolt respectively;
Described line ball lid is the square structure matching with described column shape;
The left and right sidewall centre position of described line ball lid, be provided with described low groove with respect to upper groove;
Between the top of two upper grooves of described line ball lid, be provided with the hook post for hook spring;
Between described hook post and the bolt of described column, at least one spring is set, the two ends of described spring, are connected with described hook post and the bolt of described column respectively.
2. according to electric power line fault indicator claimed in claim 1, it is characterized in that the rectangular drum like structure that described column is hollow.
3. according to electric power line fault indicator claimed in claim 1, it is characterized in that being provided with the current sensor for carrying out cable line detection in described shell, on described current sensor, be provided with light emitting diode, on described shell, light-guiding pillar is set, described light emitting diode is connected with described light-guiding pillar light path by optical fiber.
4. according to electric power line fault indicator claimed in claim 3, it is characterized in that described current sensor and the quantity of light-guiding pillar are respectively four, four described current sensors are respectively A phase, B phase, C phase and zero sequence current sensor, and four described light-guiding pillars are arranged on the same panel of described case surface.
5. according to electric power line fault indicator claimed in claim 1, it is characterized in that the inner surface at described upper groove and low groove, be respectively arranged with one deck elastic rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403502.4U CN203965569U (en) | 2014-07-21 | 2014-07-21 | A kind of electric power line fault indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403502.4U CN203965569U (en) | 2014-07-21 | 2014-07-21 | A kind of electric power line fault indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203965569U true CN203965569U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403502.4U Active CN203965569U (en) | 2014-07-21 | 2014-07-21 | A kind of electric power line fault indicator |
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| CN (1) | CN203965569U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807180A (en) * | 2016-03-04 | 2016-07-27 | 国网山东省电力公司平邑县供电公司 | 485 line fault finder |
| CN107796962A (en) * | 2017-10-26 | 2018-03-13 | 国网上海市电力公司 | A kind of translucent cover of fault indicator for overhead lines |
-
2014
- 2014-07-21 CN CN201420403502.4U patent/CN203965569U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807180A (en) * | 2016-03-04 | 2016-07-27 | 国网山东省电力公司平邑县供电公司 | 485 line fault finder |
| CN105807180B (en) * | 2016-03-04 | 2018-08-21 | 国网山东省电力公司平邑县供电公司 | 485 line fault finders |
| CN107796962A (en) * | 2017-10-26 | 2018-03-13 | 国网上海市电力公司 | A kind of translucent cover of fault indicator for overhead lines |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |