CN106646107A - Line grounding fault checking and detecting instrument - Google Patents
Line grounding fault checking and detecting instrument Download PDFInfo
- Publication number
- CN106646107A CN106646107A CN201610894012.2A CN201610894012A CN106646107A CN 106646107 A CN106646107 A CN 106646107A CN 201610894012 A CN201610894012 A CN 201610894012A CN 106646107 A CN106646107 A CN 106646107A
- Authority
- CN
- China
- Prior art keywords
- inverter
- line
- lock device
- casing
- ammeter
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Locating Faults (AREA)
Abstract
The invention provides a line grounding fault checking and detecting instrument which is designed to conveniently monitor line grounding faults. The instrument comprises mainly a case body, a case cover, a direct current power supply, an inverter, an ammeter, a load, a wire clamp and a clamp ammeter. The case body is articulated with the case cover; the case body is provided therein with the direct current power supply, the inverter, the ammeter, the load, the wire clamp and the clamp ammeter. The direct current power supply is in electric connection with the inverter through wires. The inverter is provided with a grounding line. The inverter is electrically connected with the load through the wires. The load is electrically connected with the ammeter through the wires. The ammeter is electrically connected with the wire clamp through the wires. The wire clamp is used to connect a fault line. The case body is also provided therein with the clamp ammeter. The line grounding fault checking and detecting instrument proposed by the invention is convenient to carry and at the same time, can conveniently monitor the line in trouble. For its convenient operation and high efficiency, accurate measurement could be achieved.
Description
Technical field
The present invention relates to power circuit monitoring technical field, specifically a kind of line-to-ground fault looks into survey instrument.
Background technology
In transmission line of electricity running, it sometimes appear that earth fault problem.And to the monitoring of line-to-ground fault
It is very loaded down with trivial details work, therefore a kind of line-to-ground fault of urgent need looks into survey instrument, and line-to-ground fault is carried out for convenient
Monitoring.
The content of the invention
It is an object of the invention to provide a kind of line-to-ground fault looks into survey instrument, for facilitating the prison of line-to-ground fault
Survey.
The present invention solves its technical problem and is adopted the technical scheme that：Line-to-ground fault looks into survey instrument, mainly includes
Casing, case lid, dc source, inverter, ammeter, load, binding clip and clamp on amperemeter, are hinged installation on the casing
There is case lid, dc source, inverter, ammeter, load, binding clip and clamp on amperemeter are provided with the casing, it is described straight
Stream power supply is electrically connected with inverter by wire, and ground wire is provided with inverter, and the inverter is by wire and load electricity
Connection, the load is electrically connected by wire with ammeter, and the ammeter is electrically connected by wire with binding clip, and binding clip is used
In being connected with faulty line, clamp on amperemeter is provided with casing.
Further, be provided with lockable mechanism between the casing and case lid, the lockable mechanism mainly include lock device,
Latch, slide plate and spring, the lock device is the hollow structure of cylinder, and the lock device is fixed on casing, in the lock
Only be slidably fitted with slide plate in the inner chamber of device, on the slide plate latch be fixed with, the slide plate and lock device inwall it
Between be provided with spring, the outside that lock device is placed in after the outer wall of lock device is stretched out at the effect end of latch in the presence of the spring,
Draw ring is provided with the drive end of the latch, on the case lid locking plate is provided with, be provided with the locking plate and match somebody with somebody with latch
The jack of conjunction.
Further, blind hole is provided with the side wall of the casing, the lock device is arranged in blind hole.
Further, solar panel is provided with case lid, solar panel is electrically connected with dc source.
The invention has the beneficial effects as follows：The line-to-ground fault that the present invention is provided looks into survey instrument, is convenient for carrying, while and energy
The trouble point of convenient monitoring faulty line, easy to operate efficiency high, measurement are accurate.
Description of the drawings
Fig. 1 is the electrical block diagram of the present invention；
Fig. 2 is the schematic diagram of casing and case lid；
Fig. 3 is the schematic diagram of lockable mechanism；
Fig. 4 is the position view of locking plate；
In figure：1 faulty line, 2 clamps on amperemeter, 3 trouble points, 4 ammeters, 5 loads, 6 inverters, 7 dc sources, 8
Binding clip, 9 casings, 91 case lids, 92 lock devices, 93 slide plates, 94 latches, 95 draw rings, 96 springs, 97 chutes, 98 locking plates, 99 insert
Hole.
Specific embodiment
As shown in figure 1, the invention mainly comprises casing, clamp on amperemeter 2, ammeter 4, load 5, inverter 6, direct current
Source 7 and binding clip 8, describe the present invention below in conjunction with the accompanying drawings.
Casing 9 is basis of the invention, and other parts are arranged in casing, and casing is hollow structure, cuts with scissors on casing
Connect and case lid is installed, between case lid 91 and casing 9 lockable mechanism is provided with, as shown in Fig. 2 being provided with circle in the side of casing
Blind hole, is fixed with lock device 92 in blind hole, as shown in figure 3, hollow structure of the lock device 92 for cylinder, the inner chamber of lock device
For chute 97, circular hole is respectively arranged at two ends with lock device, slide plate 93 is slidably fitted with the chute of lock device, on slide plate
Latch 94 is fixed with, latch is through on slide plate, spring 96 is provided between slide plate and the inwall of lock device, under the action of the spring
Lock device is stretched out in the effect end of latch through after the side wall of lock device, and in the drive end of the latch being placed in outside lock device drawing is provided with
Ring 95, latch can be driven relative to the movement of lock device when pulling draw ring.As shown in figure 4, locking plate 98 is provided with the inside of case lid,
Jack 99 is provided with locking plate, case lid is just capable of achieving when in latch insertion jack and is fixed with the relative locking of casing.
As shown in figure 1, clamp on amperemeter 2, ammeter 4, load 5, inverter 6, dc source 7 being provided with casing and being connect
Wire clamp 8, is provided with dc source 7 in casing, and dc source is electrically connected with inverter 6, and inverter is provided with ground wire, in order to
Ground connection.Inverter is electrically connected by wire with load, and load is connected by wire with electric current change, and ammeter is by wire and wiring
Folder 8 is electrically connected, and binding clip is used to be connected with faulty line 1.When needing to determine earth fault, clamp on amperemeter 7 is connected on
On faulty line, when supply line occurs earth fault, direct current battery power is reverse into into 220V alternating currents with this instrument, will
The abundant reliable ground of inverter, binding clip is connected on the circuit of earth fault, at this moment connects test power supply, and electric current is through using
Electric load, tested supply line, fault ground point, by the earth formed loop, at this moment have leakage current to pass through on circuit, together
When synchronously with clamp on amperemeter according to sense of current order judge search circuit with the earth turn on fault ground point, then this
Place is exactly the trouble point 3 of supply line.In order at any time supplement battery supply, this instrument can also using solar panel at any time with
Ground charges, and solar panel is electrically connected with dc source, and energy-conserving and environment-protective are actually used more convenient.
Claims (4)
1. line-to-ground fault looks into survey instrument, mainly including casing, case lid, dc source, inverter, ammeter, load, wiring
Folder and clamp on amperemeter, are hinged on the casing and are provided with case lid, and dc source, inverter, electricity are provided with the casing
Flow table, load, binding clip and clamp on amperemeter, the dc source is electrically connected with inverter by wire, is set on inverter
There is ground wire, the inverter is electrically connected by wire with load, and the load is electrically connected by wire with ammeter, the electricity
Flow table is electrically connected by wire with binding clip, and binding clip is used to be connected with faulty line, and clamp on amperemeter is provided with casing.
2. line-to-ground fault according to claim 1 looks into survey instrument, it is characterized in that, sets between the casing and case lid
There is lockable mechanism, the lockable mechanism mainly includes lock device, latch, slide plate and spring, and the lock device is in cylinder
Hollow structure, the lock device is fixed on casing, and in the inner chamber of the lock device slide plate is slidably fitted with, on the slide plate
Latch is fixed with, between the slide plate and the inwall of lock device spring is provided with, the effect of latch in the presence of the spring
The outside that lock device is placed in after the outer wall for stretching out lock device is held, draw ring is provided with the drive end of the latch, on the case lid
Locking plate is provided with, the jack coordinated with latch is provided with the locking plate.
3. line-to-ground fault according to claim 1 looks into survey instrument, it is characterized in that, is provided with the side wall of the casing
Blind hole, the lock device is arranged in blind hole.
4. line-to-ground fault according to claim 1 looks into survey instrument, it is characterized in that, solar cell is provided with case lid
Plate, solar panel is electrically connected with dc source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894012.2A CN106646107A (en) | 2016-10-13 | 2016-10-13 | Line grounding fault checking and detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894012.2A CN106646107A (en) | 2016-10-13 | 2016-10-13 | Line grounding fault checking and detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106646107A true CN106646107A (en) | 2017-05-10 |
Family
ID=58856733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610894012.2A Pending CN106646107A (en) | 2016-10-13 | 2016-10-13 | Line grounding fault checking and detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106646107A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398853A (en) * | 2020-04-09 | 2020-07-10 | 南京陇源汇能电力科技有限公司 | Lightning arrester on-line monitoring device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044167A (en) * | 1989-01-10 | 1990-07-25 | 沈阳铁路局锦州科学技术研究所 | Electrical equipment ground detection device and method |
| CN201096855Y (en) * | 2007-07-20 | 2008-08-06 | 周学军 | Online tester for single-phase grounding failure of portable power cable |
| CN201273929Y (en) * | 2008-09-18 | 2009-07-15 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Test instrument for wire grounding failure |
-
2016
- 2016-10-13 CN CN201610894012.2A patent/CN106646107A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044167A (en) * | 1989-01-10 | 1990-07-25 | 沈阳铁路局锦州科学技术研究所 | Electrical equipment ground detection device and method |
| CN201096855Y (en) * | 2007-07-20 | 2008-08-06 | 周学军 | Online tester for single-phase grounding failure of portable power cable |
| CN201273929Y (en) * | 2008-09-18 | 2009-07-15 | 山东鲁西化工股份有限公司东阿第八化肥厂 | Test instrument for wire grounding failure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398853A (en) * | 2020-04-09 | 2020-07-10 | 南京陇源汇能电力科技有限公司 | Lightning arrester on-line monitoring device |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |