CN110133357A - A kind of DC magnetic bias current test device and its operating method - Google Patents
A kind of DC magnetic bias current test device and its operating method Download PDFInfo
- Publication number
- CN110133357A CN110133357A CN201910497256.0A CN201910497256A CN110133357A CN 110133357 A CN110133357 A CN 110133357A CN 201910497256 A CN201910497256 A CN 201910497256A CN 110133357 A CN110133357 A CN 110133357A
- Authority
- CN
- China
- Prior art keywords
- bias current
- magnetic bias
- current test
- test device
- fixed bin
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses a kind of DC magnetic bias current test device and its operating methods, including jawed lever frame, wirerope, fixed bin and insulating bar, fixed bin is provided with the groove of fixed clamp on amperemeter, lower end is connected to insulating bar upper end by gimbal suspension, on the fixed movable semi-ring and binding clip handle for being fitted in binding clip opening of jawed lever frame, jawed lever frame lower end extended segment is connected with wirerope, and steel wire penetrating fixed bin surface is provided with threading hole one.The present invention takes the lead to be open by operation wirerope drive to open, and tester need to only operate on ground, so that it may complete the measurement of test data, realize the rapid survey of main transformer DC magnetic bias current, using gimbal suspension, the rotation of multiple angles can be realized, be easy to implement the measurement of different directions main transformer DC magnetic bias current, application range is wider, operation is easier, and measurement is simpler, and high altitude operation is switched to Ground Operation by the present invention, reduce work risk, improves the safety of field personnel.
Description
Technical field
The present invention relates to a kind of DC magnetic bias current test device and its operating methods, belong to DC magnetic bias current test and set
Standby technical field.
Background technique
In recent years, as city's subway, high-speed rail put into operation in succession, the main transformer meeting of substation near the subway station of urban district
Occur howling in the process of running, this is because caused by the direct current system of subway, high-speed rail flows into main transformer from ground, when serious
Master iron core can be made to overheat, core loss increases etc..For the situation, tests carried out main transformer DC magnetic bias current and measure work
Make, to prevent situations such as main transformer overheats appearance.
When the DC magnetic bias current for being carried out main transformer using clamp on amperemeter is measured, generally require in subject transformer
It is climbed by Field Force to neutral point of main transformer ground line and is tested when operation.This test mode not only give tester with
Come it is inconvenient, reduce working efficiency, and there is compared with high safety risk, because measurement electric current is required in tested primary equipment
It is carried out in the case of electrification, need to avoid accidentally touching charging equipment.It is possible to will appear stair loosening during climbing, height has protrusion in vain
Object, sharp thing can stab operating personnel etc..These are all the dual tests to the physical fitness and psychological quality of staff.It will be high
Hollow testing project goes to ground and is operated, and can substantially reduce above-mentioned security risk, improves working efficiency.
Summary of the invention
The technical problem to be solved by the present invention is a kind of DC magnetic bias current test device and its operating method are provided, with
Solve problems of the prior art.
The technical scheme adopted by the invention is as follows: a kind of DC magnetic bias current test device, including jawed lever frame, steel wire
Rope, fixed bin and insulating bar, fixed bin are provided with the groove of fixed clamp on amperemeter, and lower end is connected to insulation by gimbal suspension
Bar upper end, jawed lever frame is fixed to be fitted on the movable semi-ring and binding clip handle that binding clip is open, and jawed lever frame lower end extends
Section is connected with wirerope, and steel wire penetrating fixed bin surface is provided with threading hole one.
Preferably, above-mentioned jawed lever frame, which passes through, is connected on the movable semi-ring of binding clip opening.
Preferably, above-mentioned gimbal suspension is provided with threading hole two, and protective case, steel are provided between threading hole two and threading hole one
Cord passes through protective case.
Preferably, above-mentioned wirerope lower end is provided with link.
Preferably, above-mentioned gimbal suspension includes U-shaped first and U-shaped head two, and U-shaped first upper end is rotatably connected to fixation
The monaural two of the monaural one of box lower end, U-shaped first lower end setting is rotatably connected to U-shaped two upper end of head, U-shaped first and monaural
Rotary shaft is vertical between one and U-shaped head two and monaural two, and U-shaped two lower end of head is connected to insulating bar by threaded portion.
Preferably, above-mentioned U-shaped first to be locked between monaural one and U-shaped head two and monaural two using screw and wing nut.
Preferably, the lock-screw of locking clamp on amperemeter is provided on above-mentioned fixed bin.
Preferably, above-mentioned link mounts nylon rope by quick hook.
A kind of operating method of DC magnetic bias current test device, this method are as follows: clamp on amperemeter is installed to fixed bin
Internal locking, the fixed bin lower part for installing clamp on amperemeter connect locking by the threaded portion of internal and external threads with insulating bar, will clamp
The buckle of mouth lever bracket, which snaps fit onto, takes the lead in opening, is connect by quick hook with steel wire loop, the connection of the quick hook other end
High-strength nylon rope pulls nylon rope that the folding for opening of taking the lead of clamp on amperemeter can be realized.
Beneficial effects of the present invention: compared with prior art, existing clamp on amperemeter is fixed on telescopic insulating by the present invention
In fixed bin at the top of bar, takes the lead to be open by operation wirerope drive and open, tester need to only operate on ground, just
The measurement of achievable test data realizes that the rapid survey of main transformer DC magnetic bias current can be realized multiple using gimbal suspension
The rotation of angle is easy to implement the measurement of different directions main transformer DC magnetic bias current, and application range is wider, and operation is easier, and surveys
Amount is simpler, and high altitude operation is switched to Ground Operation by the present invention, reduces work risk, improves the safety of field personnel
Property.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is U-shaped 90 ° of schematic perspective views of first bending of the invention；
Fig. 3 is U-shaped head two bendings, 90 ° of schematic perspective views of the invention.
Specific embodiment
With reference to the accompanying drawing and the present invention is described further in specific embodiment.
Embodiment: as shown in Figure 1-3, a kind of DC magnetic bias current test device, including jawed lever frame 1, wirerope 2,
Fixed bin 9 and insulating bar 11, fixed bin 9 are provided with the groove of fixed clamp on amperemeter 10, and lower end is connected to by gimbal suspension 6
Telescopic 11 upper end of insulating bar, jawed lever frame 1 are fixed on the movable semi-ring and binding clip handle 13 for being fitted in binding clip opening 12,
1 lower end extended segment of jawed lever frame is connected with wirerope 2, and wirerope 2 passes through 9 surface of fixed bin and is provided with threading hole 1.
Preferably, the arc section of above-mentioned jawed lever frame 1 is connected to the work of binding clip opening 12 by multipair 15 docking of buckle
On dynamic semi-ring, assembly and disassembly are easy, and connection is reliable, and the bending section of jawed lever frame 1 is fitted in binding clip handle 13 and extends a Duan Lian
Wirerope 2 is connect, wirerope pulls jawed lever frame 1 to rotate, and drives binding clip rotatable handle, can be opened to maximum opening.
Preferably, above-mentioned gimbal suspension 6 is provided with threading hole 2 16, and guarantor is provided between threading hole 2 16 and threading hole 1
Sheath 3, wirerope 2 pass through protective case 3, protect wirerope.
Preferably, above-mentioned 2 lower end of wirerope is provided with link 5, facilitates connection nylon rope.
Preferably, above-mentioned gimbal suspension 6 includes U-shaped first 601 and U-shaped head 2 602, and U-shaped first 601 upper end is rotationally
It is connected to the monaural 1 of 9 lower end of fixed bin, the monaural 2 604 of U-shaped first 601 lower end setting is rotatably connected to U-shaped head
2 602 upper ends, U-shaped first 601 is vertical with rotary shaft between monaural 1 and U-shaped head 2 602 and monaural 2 604, U-shaped head 2 602
Lower end is connected to insulating bar 11 by threaded portion 4, and gimbal suspension structure is simple, and rotation, which is adjusted, to be easy.
Preferably, between above-mentioned U-shaped first 601 and monaural 1 and U-shaped head 2 602 and monaural 2 604 using screw 8 and
Wing nut 7 is locked, and width is equal between U-shaped first 601 card slot and monaural 1, the card slot and monaural two of U-shaped head 2 602
604 width are equal, and screw is locked after penetrating through-hole using wing nut.
Preferably, the lock-screw of locking clamp on amperemeter 9 is provided on above-mentioned fixed bin 9, it is easy to be convenient to mount and dismount.
Preferably, above-mentioned link 5 mounts nylon rope 18 by quick hook 17, and nylon rope is configured with take-up pulley.
Embodiment 2: as shown in Figure 1-3, a kind of operating method of DC magnetic bias current test device, this method are as follows: will clamp
Shape ammeter is installed to fixed bin internal locking, and the fixed bin lower part and insulating bar for installing clamp on amperemeter pass through internal and external threads
Threaded portion connection locking, the buckle of jawed lever frame is snapped fit onto and is taken the lead in opening, is connect by quick hook with steel wire loop,
The quick hook other end connects high-strength nylon rope, pulls nylon rope that the folding for opening of taking the lead of clamp on amperemeter can be realized.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims lid.
Claims (9)
1. a kind of DC magnetic bias current test device, it is characterised in that: including jawed lever frame (1), wirerope (2), fixed bin
(9) and insulating bar (11), fixed bin (9) are provided with the groove of fixed clamp on amperemeter (10), and lower end is connected by gimbal suspension (6)
It is connected to insulating bar (11) upper end, the fixed movable semi-ring and binding clip handle for being fitted in binding clip opening (12) of jawed lever frame (1)
(13) on, jawed lever frame (1) lower end extended segment is connected with wirerope (2), and wirerope (2) is arranged across fixed bin (9) surface
There is threading hole one (14).
2. a kind of DC magnetic bias current test device according to claim 1, it is characterised in that: jawed lever frame (1) is logical
Buckle (15) is crossed to be connected on the movable semi-ring of binding clip opening (12).
3. a kind of DC magnetic bias current test device according to claim 1, it is characterised in that: gimbal suspension (6) setting
There is threading hole two (16), be provided between threading hole two (16) and threading hole one (14) protective case (3), wirerope (2) passes through protection
It covers (3).
4. a kind of DC magnetic bias current test device according to claim 1, it is characterised in that: wirerope (2) lower end is set
It is equipped with link (5).
5. a kind of DC magnetic bias current test device according to claim 1, it is characterised in that: gimbal suspension (6) includes U
Type first (601) and U-shaped head two (602), U-shaped first (601) upper end are rotatably connected to the monaural one of fixed bin (9) lower end
(603), the monaural two (604) of U-shaped first (601) lower end setting is rotatably connected to U-shaped head two (602) upper end, U-shaped first
(601) rotary shaft is vertical between monaural one (603) and U-shaped head two (602) and monaural two (604), and U-shaped head two (602) lower end is logical
It crosses threaded portion (4) and is connected to insulating bar (11).
6. a kind of DC magnetic bias current test device according to claim 5, it is characterised in that: U-shaped first (601) and single
It is locked between ear one (603) and U-shaped head two (602) and monaural two (604) using screw (8) and wing nut (7).
7. a kind of DC magnetic bias current test device according to claim 1, it is characterised in that: fixed bin is arranged on (9)
There is the lock-screw of locking clamp on amperemeter (9).
8. a kind of DC magnetic bias current test device according to claim 4, it is characterised in that: link (5) passes through quick
Link up with (17) mounting nylon rope (18).
9. the operating method of -8 any a kind of DC magnetic bias current test devices according to claim 1, it is characterised in that:
This method are as follows: clamp on amperemeter is installed to fixed bin internal locking, installs fixed bin lower part and the insulating bar of clamp on amperemeter
Locking is connected by the threaded portion of internal and external threads, the buckle of jawed lever frame is snapped fit onto and is taken the lead in opening, quick hook is passed through
It is connect with steel wire loop, the quick hook other end connects high-strength nylon rope, pulls nylon rope that clamp on amperemeter can be realized
The folding for opening of taking the lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497256.0A CN110133357A (en) | 2019-06-10 | 2019-06-10 | A kind of DC magnetic bias current test device and its operating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910497256.0A CN110133357A (en) | 2019-06-10 | 2019-06-10 | A kind of DC magnetic bias current test device and its operating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110133357A true CN110133357A (en) | 2019-08-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910497256.0A Pending CN110133357A (en) | 2019-06-10 | 2019-06-10 | A kind of DC magnetic bias current test device and its operating method |
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| CN (1) | CN110133357A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077398A (en) * | 2019-12-31 | 2020-04-28 | 国网辽宁省电力有限公司电力科学研究院 | Portable distributed photovoltaic inverter test system |
Citations (4)
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| CN205027821U (en) * | 2015-09-18 | 2016-02-10 | 中国南方电网有限责任公司超高压输电公司柳州局 | Capacitor bank monomer capacitance test line changing instrument |
| CN206773047U (en) * | 2017-03-30 | 2017-12-19 | 国网河南镇平县供电公司 | A kind of clamp on amperemeter suitable for high-altitude route survey |
| CN207817046U (en) * | 2018-01-25 | 2018-09-04 | 国网江苏省电力有限公司南京供电分公司 | A kind of cable termination earth current measuring device |
| CN210376490U (en) * | 2019-06-10 | 2020-04-21 | 贵州电网有限责任公司 | Direct current magnetic bias current testing device |
-
2019
- 2019-06-10 CN CN201910497256.0A patent/CN110133357A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205027821U (en) * | 2015-09-18 | 2016-02-10 | 中国南方电网有限责任公司超高压输电公司柳州局 | Capacitor bank monomer capacitance test line changing instrument |
| CN206773047U (en) * | 2017-03-30 | 2017-12-19 | 国网河南镇平县供电公司 | A kind of clamp on amperemeter suitable for high-altitude route survey |
| CN207817046U (en) * | 2018-01-25 | 2018-09-04 | 国网江苏省电力有限公司南京供电分公司 | A kind of cable termination earth current measuring device |
| CN210376490U (en) * | 2019-06-10 | 2020-04-21 | 贵州电网有限责任公司 | Direct current magnetic bias current testing device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077398A (en) * | 2019-12-31 | 2020-04-28 | 国网辽宁省电力有限公司电力科学研究院 | Portable distributed photovoltaic inverter test system |
| CN111077398B (en) * | 2019-12-31 | 2024-06-11 | 国网辽宁省电力有限公司电力科学研究院 | Portable distributed photovoltaic inverter test system |
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