CN206331066U - A kind of overhead transmission line electric leakage addressing instrument - Google Patents
A kind of overhead transmission line electric leakage addressing instrument Download PDFInfo
- Publication number
- CN206331066U CN206331066U CN201720007036.1U CN201720007036U CN206331066U CN 206331066 U CN206331066 U CN 206331066U CN 201720007036 U CN201720007036 U CN 201720007036U CN 206331066 U CN206331066 U CN 206331066U
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- Prior art keywords
- electric leakage
- transmission line
- circuit
- overhead transmission
- jaw
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model discloses a kind of overhead transmission line electric leakage addressing instrument, including pincerlike earth leakage tester and power frequency inverter；Pincerlike earth leakage tester includes device body and pincer portion, and pincerlike portion includes setting iron core in two binding clips being pivotally connected with device body, the jaw that two binding clip formation can be opened and closed, binding clip, and iron core closes to form closed-loop path with jaw, and iron core is provided with secondary winding；Signal amplification circuit, sound light alarming circuit and power supply are provided with the cavity volume of device body, the input of signal amplification circuit is connected with secondary winding coil, the output end of signal amplification circuit is connected with sound light alarming circuit, and power supply is connected with signal amplification circuit and sound light alarming circuit respectively.The present apparatus can quickly and accurately be diagnosed to be electric leakage position, greatly improve the quick response that transmission line of electricity electric leakage is safeguarded, easy to carry, simple to operate；It can repeatedly use, it is to avoid artificial replacing fault indicator for overhead lines, while use cost is also reduced, it is easy to utilize.
Description
Technical field
The utility model is related to electrical distribution field, more particularly to it is a kind of it is simple to operate, can quickly check that transmission line of electricity leaks
The repeatable overhead transmission line electric leakage addressing instrument utilized of electric position.
Background technology
Among existing power transmission line, among especially 0.4KV and 10KV transmission line of electricity, often occur defeated
Electric line is contacted with branch or other earth conductors, the damage of transformer fault, arrester, the ground connection such as porcelain vase aging and occur larger
Leaky need electrician investigation maintenance.Existing detection mode is by the mounting bracket that is spaced a distance on transmission line of electricity
Ceases to be busy line fault indicator (such as breaking line-failure indicators of people's match XGDL-JDG), drain region is indicated by electromagnetic induction board turning
Domain.But this kind of mode can not accurately judge the particular location of electric leakage, it is necessary to which service worker gradually investigates along circuit, and this is for rear
Section circuit length or particularly difficult through the region of mountain forest, adds the work difficulty of service worker, also reduces operating efficiency；
Meanwhile, fault indicator for overhead lines is arranged at outdoor and is closed design all the year round, and battery just runs out of just only less than half a year
Energy monoblock type is changed, it is impossible to accomplish recycling, while the cost for increasing purchase indicator changes difficulty with artificial；Moreover, existing
Fault indicator for overhead lines needs nearly 6 hours just to return to normal instruction after circuit recovers normally, and reaction is slow.
Further, occur at other one drain conditions in 6 hours if running into thunder and lightning weather and can not indicate, it is impossible to adapt to quick at present high
The electricity consumption maintenance needs of effect.
Utility model content
The utility model purpose be provide it is a kind of it is simple to operate, can quickly check the repeatable of transmission line of electricity electric leakage position
The overhead transmission line electric leakage addressing instrument repeatedly utilized.
To achieve the above object, surveyed the utility model discloses a kind of overhead transmission line electric leakage addressing instrument, including pincerlike electric leakage
Trial assembly is put and power frequency inverter；
The pincerlike earth leakage tester includes device body and pincer portion, and the pincerlike portion includes two and described device
Iron core is set in the binding clip of body pivot joint, the jaw that the two binding clip formation can be opened and closed, the binding clip, the iron core is with described
Jaw closes to form closure inductive loop, and the iron core is provided with secondary winding；
Described device body includes being mutually matched and being formed the upper cover part and lower cover portion of a cavity volume, the upper cover part and lower cover
The one end in portion is provided with the semicircle ring portion matched with the jaw, and the pincerlike portion is located between two semicircle ring portions,
The side of upper cover part is provided with binding post, and the semicircular ring portion, which is located in the jaw, is provided with metal contact element, the metal
Contact is connected conducting with the binding post；
Be provided with signal amplification circuit, sound light alarming circuit and power supply in the cavity volume, the signal amplification circuit it is defeated
Enter end to be connected with the secondary winding, the output end of the signal amplification circuit is connected with the sound light alarming circuit, the electricity
Source is connected with the signal amplification circuit and sound light alarming circuit respectively；
The power frequency inverter includes the dc source and inverter being connected with each other, the live wire of the inverter output end
It is connected with the binding post, zero line grounding, passes through the device, you can is simple, quick to detect position of leaking electricity.
Further, the metal contact element and pincerlike portion's distance are 0.5-2cm, both ensure that the precision of detection,
The size of the present apparatus has been taken into account simultaneously.
Further, the insulating bar of many interconnections is also included, the insulating bar two ends, which are respectively arranged with, to be mutually matched
Screwed hole and threaded post, the other end of the upper cover part and lower cover portion be equipped with it is bonded to each other after can be connected with the screwed hole
Half-thread post, using the setting of extension type, alleviate detection operation intensity, add the flexibility of detection of electrical leakage.
Further, the inverter turns 220V/500V multi output inverter for 12V, is set using integral type customizations
Put, not only two kinds of operating modes of 0.4KV and 10KV are met simultaneously, while simplifying operation.
Further, the dc source and inverter, which are fixedly connected with each other, is integrated, and 3 strings are provided with the dc source
The rechargeable type 3.7V batteries of connection, the power supply is built-in rechargeable type 3.7V power supplys, its with being arranged on the lower cover portion side one
Charge power supply socket is connected, and this kind sets the repeatable utility for improving the present apparatus.
Further, the input of the signal amplification circuit is provided with shunt circuit, by shunt circuit, can be automatic
The lines branch of negligible small leakage current is discharged, is conducive to locking larger electric leakage circuit.
Further, the shunt circuit is in parallel with the input of the signal amplification circuit, and the shunt circuit includes
The GSS Gear Select Switch of the lower cover portion opposite side is fixedly arranged at, the GSS Gear Select Switch includes three gears, three shelves
Position connects the resistance of 3 different resistances respectively, and gear is shunted using 3 ohm, 30 ohm and 300 ohm stageds, you can meet
Existing operating mode.
Further, the light emitting diode of the sound light alarming circuit is seven color light emitting diodes, its be arranged on it is described
The downside of the relative described device body of jaw, using sound and light alarm mode, expands the recognition capability under the conditions of different operating,
Seven color illumination modes, are more beneficial for identification.
Further, the binding clip is located at the both sides of jaw and is provided with inclined plane, and relative described of two binding clips inclines
Inclined-plane formation wire boot section, this kind sets be more beneficial for wire to be detected to slide in and out jaw.
Further, the jaw internal diameter is 45-52mm, and this kind of bore can not only accommodate conventional wire to be measured, and
It ensure that the preferable induced-current of acquisition.
Compared with prior art, the utility model has the advantage of：
1st, electric leakage position can be quickly and accurately diagnosed to be, the quick response that transmission line of electricity electric leakage is safeguarded is greatly improved；
2nd, it is not only easy to carry by the ingenious fusion one of pincerlike earth leakage tester and power frequency inverter, and operation
Simply；
3rd, it can repeatedly use, it is to avoid artificial replacing fault indicator for overhead lines, be used into while also reducing
This, it is easy to utilize.
Below with reference to accompanying drawings, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is the structural representation of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment；
Fig. 2 is the pincerlike earth leakage tester the of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment
One structural representation；
Fig. 3 is the pincerlike earth leakage tester the of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment
Two structural representations；
Fig. 4 is the upper cover part structural representation of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment；
Fig. 5 is the tong head schematic diagram of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment；
Fig. 6 is the circuit general illustration of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment；
Fig. 7 is the sound light alarming circuit signal of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment
Figure；
Fig. 8 is the circuit shunt circuit signal of overhead transmission line electric leakage addressing instrument disclosed in the utility model preferred embodiment
Figure.
Marginal data：
1st, pincerlike earth leakage tester；11st, device body；111st, upper cover part；1111st, binding post；1112nd, metal is contacted
Part；1113rd, half-thread post；1114th, GSS Gear Select Switch；112nd, lower cover portion；113rd, semicircle ring portion；12nd, pincer portion；121st, clamp
Head；1211st, inclined plane；122nd, jaw；13rd, signal amplification circuit；14th, sound light alarming circuit；141st, light emitting diode；15th, it is electric
Source；151st, charge power supply socket；152nd, power switch；16th, shunt circuit；17th, boot section；2nd, power frequency inverter；21st, direct current
Power supply；22nd, inverter；221st, live wire；222nd, zero line；3rd, insulating bar.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
Instrument is addressed the utility model discloses a kind of electric leakage of overhead transmission line, as Figure 1-Figure 8, including pincerlike leakage testses
Device 1, power frequency inverter 2 and insulating bar 3.Wherein, pincerlike earth leakage tester 1 includes device body 11 and pincer portion 12,
Pincerlike portion includes two binding clips 121 being pivotally connected with device body 11, the jaw 122 that two formation of binding clip 121 can be opened and closed, in this reality
Apply in example, the internal diameter of jaw 122 is 45-52mm.Iron core is set in binding clip 121, and iron core can be into closure excitation with the closed of jaw 122
Loop, iron core is provided with secondary winding.And device body 11 includes being mutually matched and being formed the upper cover part 111 and lower cover of a cavity volume
Portion 112, upper cover part 111 is provided with the semicircle ring portion 113 matched with jaw 122 with one end of lower cover portion 112, wherein, binding clip
121 lower containment is between two relative semicircle ring portions 113, and the side of upper cover part 111 is provided with binding post 1111, its
In, the semicircle ring portion 113 of upper cover part 111, which is located in jaw 122, is provided with metal contact element 1112, and metal contact element 1112 is with connecing
The connection conducting of terminal 1111, in the present embodiment, as shown in figure 4, metal contact element 1112 is to be set along semicircle ring portion 113
Copper conductor, the copper conductor passes through to be wound on binding post 1111 to turn on inside device body 11, wherein copper conductor and pincer portion
12 distances are 0.5-2cm, not only contribute to reduce the size of whole device, and are advantageously implemented accurate measurement.3 liang of insulating bar
Hold and be respectively arranged with the screwed hole being mutually matched and threaded post, the other end of upper cover part 111 and lower cover portion 112 is equipped with half-thread
Post 1113, when upper cover part 111 and the laminating of lower cover portion 112 fixed, two half-thread posts 1113 can be formed one it is complete can
The stud being threadedly coupled with screwed hole.Many insulating bars 3 can be extended by head and the tail connection, and so, maintenance electrician can stand
Operation below transmission line of electricity, increases the convenience used.
It is preferred that, the both sides that binding clip 121 is located at jaw 122 are provided with inclined plane 1211, the relative inclination of two binding clips 121
Face forms wire boot section 17, is conducive to line wires to be measured to slip into and skid off jaw in the presence of lower thrust or pulling force
122。
In the present embodiment, as shown in fig. 7, being provided with signal amplification circuit 13, acousto-optic report in the cavity volume of device body 11
Alert circuit 14 and power supply 15, the input of signal amplification circuit 13 are connected with secondary winding, the output end of signal amplification circuit 13
It is connected with sound light alarming circuit 14, power supply 15 is connected with signal amplification circuit 13 and sound light alarming circuit 14 respectively, wherein, amplification
The model AD620 technical grade module amplifiers of circuit, sound light alarming circuit 14 is constituted using split type element, its sound and light alarm
Circuit is as shown in Figure 7.Meanwhile, in the present embodiment, the light emitting diode 141 of sound light alarming circuit 14 is using seven color light-emitting diodes
Pipe, it is arranged on the downside of the described device body 11 relative with the jaw 122, is easy to different illumination strong using seven glory sources
Range estimation identification under degree.Meanwhile, the alarm sound of the circuit is bigger, further enhancing Fault Identification degree.Wherein, power supply 15 is
The rechargeable type 3.7V lithium batteries of ST-PM 18650, it is connected with being arranged on a charge power supply socket 151 of the side of lower cover portion 112.
In the present embodiment, as it is a kind of preferably, in order to adapt to 0.4KV and 10KV various working, while by other small leakage currents
Situation, which is excluded, to be ignored, and is additionally provided with shunt circuit 16 in the input of signal amplification circuit 13, shunt circuit 16 is put with signal
The big input of circuit 13 is in parallel, and shunt circuit 16 includes the GSS Gear Select Switch 1114 for being fixedly arranged at the opposite side of lower cover portion 112, such as schemes
Shown in 8, GSS Gear Select Switch 1114 connects the resistance of 3 different resistances respectively, in the present embodiment the resistance of three resistance point
Wei not be 3 ohm, 30 ohm and 300 ohm.
In the present embodiment, power frequency inverter 2 includes the dc source 21 and inverter 22 being connected with each other, inverter 22
The live wire 221 of output end be connected with binding post 1111, the ground connection of zero line 222 is set, in the present embodiment, and inverter 22 is 12V
Turn 220V/500V Multifunctional inverters, wherein 12V turns electric leakage measurement of the 220V inversions gear used in 0.4KV low-voltage circuit, and
12V turns electric leakage measurement of the 500V inversions gear used in 10KV high-tension line.In the present embodiment, carry and grasp for convenience
Make, dc source 21 and the integral type of inverter 22 are set, and the rechargeable type 3.7V batteries of 3 series connection are provided with dc source 21,
And battery use the rechargeable type 3.7V lithium batteries of ST-PM 18650, by the method for this kind of external battery can realize with fill with.
The present apparatus is originally based primarily upon electromagnetic induction principle, and its Cleaning Principle is as follows：
When the electric wire in the circuit to be measured of power-off is placed in jaw 122 and with metal contact element 1112 (in the present embodiment
For copper conductor) keep contact when, if line electrical leakage, can there is the following two kinds situation：
If 1), electric leakage circuit is to point to the direction of jaw 122 from metal contact element 1112, when power frequency inverter 2 is by upper
Cap 111 leaks electricity electricity feeding, and (live wire 221 of the output line of inverter 22 of power frequency inverter 2 connects binding post 1111, zero to circuit
Line 222 is grounded, and closed-loop path is formed by the earth), the electric current of the electric wire now passed through out of jaw 122 enters one from zero growth rate
Walk the secondary winding in binding clip 121 and produce induced-current input signal amplifying circuit 13, further driving sound light alarming circuit 14,
So as to alarm, light emitting diode is bright.
If 2), electric leakage circuit is to point to the direction of metal contact element 1112 from jaw 122, then from the incoming line of inverter 22
Electric current then without going past jaw 122, but metal contact element 1112 is directly over away from jaw 122, so that in binding clip 121
Secondary winding will not produce induced-current, and then sound light alarming circuit 14 will not alarm.
The use process of the present apparatus is as follows：
First, the live wire 221 of power frequency inverter 2 is connected into binding post 1111, then the grounding of zero line 222 is opened
Power switch 152, makes it power signal amplification circuit 13 and sound light alarming circuit 14, wherein, if detection 0.4KV electric leakages
Circuit, GSS Gear Select Switch 1114 is allocated to 3 ohm of gears, the circuit if detection 10KV leaks electricity then opens gear selection
1114 are closed to be allocated to and 300 ohm of gears.Then, many insulating bars linked together 3 are connected to the connection of device body 11
(fitted and formed by the half-thread post 1113 of upper cover part 111 and lower cover portion 112) on stud, by drain wire top such as pincerlike leakage testses
In the jaw of device 1, while ensuring that metal contact element 1112 keeps contacting with electric leakage circuit, the power supply of inverter 22 is then opened
Switch, by electric current feeding electric leakage circuit, you can the direction for the circuit that leaked electricity according to the reaction and judgement of sound light alarming circuit 14, by upper
State repeatedly measurement to exclude, the final accurate location that can determine whether drain wire road.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modifications, equivalent substitutions and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of overhead transmission line electric leakage addressing instrument, it is characterised in that including pincerlike earth leakage tester and power frequency inverter；
The pincerlike earth leakage tester includes device body and pincer portion, and the pincerlike portion includes two and described device body
Iron core is set in the binding clip of pivot joint, the jaw that the two binding clip formation can be opened and closed, the binding clip, the iron core is with the jaw
Closure forms closure inductive loop, and the iron core is provided with secondary winding；
Described device body includes being mutually matched and being formed the upper cover part and lower cover portion of a cavity volume, the upper cover part and lower cover portion
One end is provided with the semicircle ring portion matched with the jaw, and the pincerlike portion is located between two semicircle ring portions, upper lid
The side in portion is provided with binding post, and the semicircular ring portion, which is located in the jaw, is provided with metal contact element, the metal contact
Part is connected conducting with the binding post；
Signal amplification circuit, sound light alarming circuit and power supply, the input of the signal amplification circuit are provided with the cavity volume
It is connected with the secondary winding, the output end of the signal amplification circuit is connected with the sound light alarming circuit, the power supply point
It is not connected with the signal amplification circuit and sound light alarming circuit；
The power frequency inverter includes the dc source and inverter being connected with each other, the live wire of the inverter output end and institute
State binding post connection, zero line grounding.
2. overhead transmission line electric leakage addressing instrument according to claim 1, it is characterised in that the metal contact element and the pincers
Shape portion distance is 0.5-2cm.
3. overhead transmission line according to claim 1 electric leakage addressing instrument, it is characterised in that also exhausted including many interconnections
Edge bar, the insulating bar two ends are respectively arranged with the screwed hole being mutually matched and threaded post, and the upper cover part and lower cover portion are all provided with
Have it is bonded to each other after the half-thread post that can be connected with the screwed hole.
4. overhead transmission line electric leakage addressing instrument according to claim 1, it is characterised in that the inverter turns 220V/ for 12V
500V multi output inverter.
5. overhead transmission line electric leakage addressing instrument according to claim 4, it is characterised in that dc source and the inverter phase
Mutually fix as one, the rechargeable type 3.7V batteries of 3 series connection are provided with the dc source, the power supply is built-in rechargeable type
3.7V power supplys, it is connected with being arranged on a charge power supply socket of the lower cover portion side.
6. according to any described overhead transmission line electric leakage addressing instrument of claim 1-5, it is characterised in that the signal amplification circuit
Input be provided with shunt circuit.
7. overhead transmission line electric leakage addressing instrument according to claim 6, it is characterised in that described in the shunt circuit and signal
The input of amplifying circuit is in parallel, and the shunt circuit includes the GSS Gear Select Switch for being fixedly arranged at the lower cover portion side, described
GSS Gear Select Switch includes three gears, and three gears connect the resistance of 3 different resistances respectively.
8. overhead transmission line according to claim 7 electric leakage addressing instrument, it is characterised in that the sound light alarming circuit it is luminous
Diode is seven color light emitting diodes, and it is arranged on the downside of the described device body relative with the jaw.
9. overhead transmission line electric leakage addressing instrument according to claim 8, it is characterised in that the binding clip is located at the both sides of jaw
It is provided with inclined plane, the relative inclined plane formation wire boot section of two binding clips.
10. overhead transmission line electric leakage addressing instrument according to claim 9, it is characterised in that the jaw internal diameter is 45-
52mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007036.1U CN206331066U (en) | 2017-01-04 | 2017-01-04 | A kind of overhead transmission line electric leakage addressing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720007036.1U CN206331066U (en) | 2017-01-04 | 2017-01-04 | A kind of overhead transmission line electric leakage addressing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331066U true CN206331066U (en) | 2017-07-14 |
Family
ID=59294212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720007036.1U Withdrawn - After Issue CN206331066U (en) | 2017-01-04 | 2017-01-04 | A kind of overhead transmission line electric leakage addressing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331066U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771818A (en) * | 2017-01-04 | 2017-05-31 | 陈华军 | A kind of overhead transmission line electric leakage addressing instrument |
| CN109142950A (en) * | 2018-08-06 | 2019-01-04 | 郑州泰恩科技有限公司 | A kind of electrical equipment detection device |
-
2017
- 2017-01-04 CN CN201720007036.1U patent/CN206331066U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771818A (en) * | 2017-01-04 | 2017-05-31 | 陈华军 | A kind of overhead transmission line electric leakage addressing instrument |
| CN106771818B (en) * | 2017-01-04 | 2018-01-12 | 陈华军 | A kind of overhead transmission line electric leakage addressing instrument |
| CN109142950A (en) * | 2018-08-06 | 2019-01-04 | 郑州泰恩科技有限公司 | A kind of electrical equipment detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170714 Effective date of abandoning: 20180112 |