CN207096374U - Recording type fault detector induction energy fetching sample unit - Google Patents
Recording type fault detector induction energy fetching sample unit Download PDFInfo
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- CN207096374U CN207096374U CN201720849582.XU CN201720849582U CN207096374U CN 207096374 U CN207096374 U CN 207096374U CN 201720849582 U CN201720849582 U CN 201720849582U CN 207096374 U CN207096374 U CN 207096374U
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- camber beam
- fault detector
- recording type
- sample unit
- type fault
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Abstract
The utility model discloses a kind of recording type fault detector induction energy fetching sample unit, including camber beam, lower camber beam and base assembly, camber beam is hinged on lower camber beam by a rotating shaft, base assembly is arranged on lower camber beam, corresponding position on the inside of the upper and lower camber beam is separately installed with a Rogowski coil, and two Rogowski coils connect after bypassing rotating shaft by a connecting line on the inside of upper and lower camber beam.The utility model in existing upper and lower camber beam by being respectively arranged a Rogowski coil, two Rogowski coils are connected by hiding connecting line, when upper and lower camber beam closes up, the ends contact of two Rogowski coils can be driven to close to form a loop configuration, so as to realize the current sampling function of Rogowski coil, the problem of saturated phenomenon occurs without worry iron core and can not use;Connecting line is concealed structure design, is suitable for long-term outdoor work.The characteristics of the utility model manufacture craft is simple, and running precision is high, and cost is low, and fast response time, electric current can measure in real time etc..
Description
Technical field
It the utility model is related to a kind of electric line on-line monitoring equipment, more particularly to a kind of recording type fault detector
With induction energy fetching sample unit.
Background technology
As the Main physical equipment of grid power transmission link, transmission line of electricity is the most huge part of power system, its
Running environment is severe, with a varied topography, maintenance is difficult, has important influence to the safety and reliability of power system.Therefore, exist
In looped network distribution system, in particularly a large amount of systems using ring net load switch, if sent out in next stage distribution network system
Short trouble or earth fault are given birth to, the electric power system of upper level must carry out disjunction within the defined time, to prevent
Major accident.
Short circuit and earth-fault indicator are the equipment for detecting short circuit and earth fault, can by using the equipment
The part broken down with marking.Maintenance personal can quickly find the area to break down according to the alarm signal of this indicator
Fault section is opened in section, disjunction, so as to recover the power supply of fault-free section in time, can be saved the substantial amounts of working time, be reduced and have a power failure
Time and power failure range.
Wherein, recording type fault detector is exactly a kind of electric power online monitoring device.It is arranged on electric line, is needed
Electric energy is obtained by sensing, while the load current and electric field of circuit need to be monitored, in electric line outlet failure, realizes event
Hinder recording, it is therefore desirable to take the part that can and sample, and the part need to support powered installation.However, existing recording type failure
Indicator is all to carry out current sampling by cored current transformer, to avoid iron core from saturated phenomenon occur, is tended not to
The very big electric current of direct measurement, and not corrosion resistant, when environment is run for a long time out of doors, gradual corrosion, so as to cause power taking ability
Decline, sampling precision is overproof.
Utility model content
The purpose of this utility model is that current sampling signal, and current sampling signal life-span can not only be provided by providing one kind
Lasting recording type fault detector induction energy fetching sample unit.
This recording type fault detector induction energy fetching sample unit provided by the utility model, including camber beam, under
Camber beam and base assembly, camber beam are hinged on lower camber beam by a rotating shaft, and base assembly is arranged on lower camber beam, described
Corresponding position on the inside of upper and lower camber beam is separately installed with a Rogowski coil, and two Rogowski coils are by one on the inside of upper and lower camber beam
Connecting line connects after bypassing rotating shaft.
To avoid spring position conflict, make that clamping wire range is big, chucking power is big, the base assembly includes the bottom of metal
The line ball spring that seat and two width differ, floor installation are uniform by line ball spring rotary shaft in lower camber beam top, line ball spring
Rotatably compressed in base both sides and to base upper end center.
To cause the contact surface of upper and lower iron core to be brought into close contact, so as to reduce air gap, improve the performance of sensing power taking, it is described on
Camber beam includes upper shell and upper core, and the upper core is arranged in upper shell by the way that some adjustment springs are moving up and down, under
Camber beam includes lower casing and the lower core being sleeved in the lower casing, and upper shell is hinged on lower casing by rotating shaft, base peace
Mounted in lower casing top, the end face for adjusting Spring driving upper core and lower core is in close contact, and two Rogowski coils are separately mounted to
In upper shell and lower casing.
For increase structural strength height and it is beneficial to temperature conduction and electric field induction, the base is made up of pack alloy.
For preferably it is waterproof and dampproof, between the Rogowski coil and upper shell, between Rogowski coil and lower casing by ring
Oxygen resin seal.
The adjustment spring has three and is evenly distributed at the left, center, right three on upper core top.
To be further ensured that the close reliable of upper and lower iron core, especially in the case of a shock, it can still keep relative reliable
Contact, the joint of shell and lower casing open side is correspondingly provided with magnetic assembly on described.
The upper core and lower core are wound by corrosion protection permalloy, dipping lacquer and cutting form.
The utility model is made by being respectively arranged a Rogowski coil in existing upper and lower camber beam by hiding connecting line
Two Rogowski coils connect, and when upper and lower camber beam closes up, the ends contact of two Rogowski coils can be driven to close to form a ring junction
Structure, so as to realize the current sampling function of Rogowski coil, the problem of saturated phenomenon occurs without worry iron core and can not use;Even
Wiring is concealed structure design, is suitable for long-term outdoor work.The utility model manufacture craft is simple, and running precision is high, into
This is low, fast response time, almost no phase error, will not saturation, electric current the characteristics of can measuring in real time etc., can be widely applied to
The ultrahigh current occasions such as silicon controlled rectifier, relay protection, frequency control, thunder and lightning signal acquisition, short-circuit test.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the broken section structural representation of Fig. 1 front views.
Fig. 3 is that Fig. 2A-A locate cross section structure diagram.
Fig. 4 is the mplifying structure schematic diagram of Fig. 2 top views.
The mark and corresponding component name shown in figure be:1st, camber beam;2nd, lower camber beam;3rd, base assembly;4th, turn
Axle;5th, Rogowski coil;6th, connecting line;7th, closing spring;8th, magnetic assembly;11st, upper shell;12nd, upper core;13rd, spring is adjusted;
21st, lower casing;22nd, lower core;23rd, secondary coil;24th, electrical connector;31st, base;32nd, line ball spring;321st, line ball spring
Rotating shaft;81st, upper permanent magnet;82nd, lower permanent magnet.
Embodiment
This recording type fault detector induction energy fetching sample unit of the utility model is can be seen that from Fig. 1 to Fig. 4,
It is logical including camber beam 1, lower camber beam 2, base assembly 3, rotating shaft 4, two Rogowski coils 5, connecting line 6 and closing spring 7, camber beam 1
Cross rotating shaft 4 to be hinged on lower camber beam 2, base assembly 3 is arranged on lower camber beam 2, and two Rogowski coils 5 are separately mounted to upper and lower curved
Corresponding position on the inside of beam, connecting line 6 are located on the inside of upper and lower camber beam, connecting line 6 bypass be connected to after rotating shaft 4 two Rogowski coils 5 it
Between, closing spring 7 is arranged on driving camber beam 1 in rotating shaft 4 and is pressed on lower camber beam 2.
Base 31, two width of the base assembly 3 of the present utility model including metal are can be seen that from Fig. 1 to Fig. 4 to differ
Line ball spring 32, base 31 is arranged on the lower top of camber beam 2, and line ball spring 32 is distributed on base by line ball spring rotary shaft 321
31 both sides simultaneously rotatably compress composition card wire structure to base upper end center.
Camber beam 1 of the present utility model is can be seen that from Fig. 1 to Fig. 3 includes upper shell 11, upper core 12 and some tune
Whole spring 13, the gap of upper core 12 are sleeved in shell 11, and adjustment spring 13 is arranged between upper core 12 and upper shell 11
And upper core 12 can be promoted to be moved up and down in upper shell 11, lower camber beam 2 includes lower casing 21, lower core 22, secondary coil 23
With electrical connector 24, upper shell 11 is hinged on lower casing 21 by rotating shaft 4, and lower core 22 is sleeved in lower casing 21, base
31 are arranged on the top of lower casing 21, and two Rogowski coils 5 are separately mounted in shell 11 and lower casing 21, Rogowski coil 5 with it is upper
Sealed between shell 11, between Rogowski coil 5 and lower casing 12 by epoxy resin, closing spring 7 is arranged in rotating shaft 4 and driven
Upper shell 11 is pressed on lower casing 21, and the end face of control upper core 12 and lower core 22 is in close contact, and adjustment spring 13 drives
The upward downside of shell 11 of upper core 12 extrudes, and controls the end face of upper core 12 and lower core 22 to be in close contact to form electromagnetic induction
Magnetic conductive loop;Secondary coil 4 is sleeved between lower core 22 and lower casing 21, tap and the electrical connector 24 of secondary coil 23
Connection output induced-current, working power and the secondary current that can be sampled are provided for fault detector.
In the utility model, base 31 is made up of pack alloy.
Figure it is seen that adjustment spring 13 of the present utility model has three, three adjustment springs 13 are evenly distributed on iron
At the left, center, right three on the top of core 12, the upward downside of the shell 11 extruding upper core 12 of adjustment spring 13 can automatic fine tuning upper core
12 position, upper core 12 is contacted with 22 abundant face of lower core, reduce the air gap, reduce the magnetic circuit of magnetic circuit, reach good
Electric property.
Figure it is seen that the joint of shell 11 and the open side of lower casing 21 is correspondingly provided with the utility model
Magnetic assembly 8, the magnetic assembly 8 include upper permanent magnet 81 and lower permanent magnet 82, and upper permanent magnet 81 is arranged on the upper bottom of shell 11
Portion, lower permanent magnet 82 are embedded in the upper surface of lower casing 21 with the corresponding position of upper magnet 81, are further ensured that the tight of upper and lower iron core
It is close reliable, especially in the case of a shock, it can still keep relative reliable contacts.
In the utility model, upper core 12 and lower core 22 are by corrosion protection permalloy winding, dipping lacquer and cutting
Form.
Claims (8)
1. a kind of recording type fault detector induction energy fetching sample unit, including camber beam (1), lower camber beam (2) and pedestal group
Part (3), camber beam are hinged on lower camber beam by a rotating shaft (4), and base assembly is arranged on lower camber beam, it is characterised in that:
Corresponding position on the inside of the upper and lower camber beam is separately installed with a Rogowski coil (5), and two Rogowski coils are by one positioned at upper and lower curved
Connecting line (6) on the inside of beam connects after bypassing rotating shaft.
2. recording type fault detector induction energy fetching sample unit according to claim 1, it is characterised in that:The base
The line ball spring (32) that the base (31) and two width of holder assembly (3) including metal differ, floor installation on lower camber beam top,
Line ball spring is distributed on base both sides by line ball spring rotary shaft (321) and rotatably compressed to base upper end center.
3. recording type fault detector induction energy fetching sample unit according to claim 2, it is characterised in that:On described
Camber beam (1) includes upper shell (11) and upper core (12), and the upper core passes through some adjustment spring (13) peaces moving up and down
In upper shell, lower camber beam (2) includes lower casing (21) and the lower core (22) being sleeved in the lower casing, and upper shell passes through
Rotating shaft (4) is hinged on lower casing, and floor installation is tight in lower casing top, the end face for adjusting Spring driving upper core and lower core
Contiguity is touched, and two Rogowski coils are separately mounted in shell and lower casing.
4. recording type fault detector induction energy fetching sample unit according to claim 2, it is characterised in that:The bottom
Seat (31) is made up of pack alloy.
5. recording type fault detector induction energy fetching sample unit according to claim 3, it is characterised in that:Sieve
Sealed between family name's coil and upper shell, between Rogowski coil and lower casing by epoxy resin.
6. recording type fault detector induction energy fetching sample unit according to claim 3, it is characterised in that:The tune
Whole spring has three and is evenly distributed at the left, center, right three on upper core top.
7. recording type fault detector induction energy fetching sample unit according to claim 3, it is characterised in that:Described
The joint of upper shell and lower casing open side is correspondingly provided with magnetic assembly (8).
8. recording type fault detector induction energy fetching sample unit according to claim 3, it is characterised in that:On described
Iron core and lower core are wound by corrosion protection permalloy, dipping lacquer and cutting form.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720849582.XU CN207096374U (en) | 2017-07-13 | 2017-07-13 | Recording type fault detector induction energy fetching sample unit |
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CN201720849582.XU CN207096374U (en) | 2017-07-13 | 2017-07-13 | Recording type fault detector induction energy fetching sample unit |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110445232A (en) * | 2019-08-16 | 2019-11-12 | 河南省三禾电气有限公司 | A kind of Novel fault indicator electricity getting device |
CN111755287A (en) * | 2020-07-09 | 2020-10-09 | 江苏三口井信息科技有限公司 | Circuit breaker device with fault recording performance |
-
2017
- 2017-07-13 CN CN201720849582.XU patent/CN207096374U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110445232A (en) * | 2019-08-16 | 2019-11-12 | 河南省三禾电气有限公司 | A kind of Novel fault indicator electricity getting device |
CN110445232B (en) * | 2019-08-16 | 2020-12-08 | 河南省三禾电气有限公司 | Fault indicator power taking device |
CN111755287A (en) * | 2020-07-09 | 2020-10-09 | 江苏三口井信息科技有限公司 | Circuit breaker device with fault recording performance |
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