CN206193150U - High tension current transformer polarity table - Google Patents
High tension current transformer polarity table Download PDFInfo
- Publication number
- CN206193150U CN206193150U CN201621275576.XU CN201621275576U CN206193150U CN 206193150 U CN206193150 U CN 206193150U CN 201621275576 U CN201621275576 U CN 201621275576U CN 206193150 U CN206193150 U CN 206193150U
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- CN
- China
- Prior art keywords
- electric conductor
- permanent magnet
- tension current
- current inductor
- polarity
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a high tension current transformer polarity table, including the table case, set up at the left left permanent magnet of table bottom of the case portion, set up at the right permanent magnet on table bottom of the case portion right side and the power coil set up the constant magnetic field who forms between left permanent magnet and right permanent magnet in, the table incasement rotates and sets up the pivot, and the power coil is fixed to be set up in the pivot, and torque spring's inner circle link is fixed to be set up in the pivot, the fixed bottom that sets up at the table case of torque spring's outer lane link, the fixed electrically conductive pointer of " T " type that sets up in pivot upper portion, the electrically conductive pointer left and right sides of " T " type sets up left electric conductor and right electric conductor respectively, the left electric conductor electricity signal connection vocal return circuit in a left side, the right electric conductor electricity signal connection vocal return circuit in the right side. The utility model discloses not only the test is sensitive accurate, passes on positive reversed polarity through the prompting device mode in addition, does not consequently need the special messenger to observe the polarity table, has consequently saved the human cost.
Description
Technical field
The utility model belongs to electric equipment parameter measuring technical field, more particularly, to a kind of high-tension current inductor pole
Property table.
Background technology
With the increase of the newly-built transformer station's quantity of power network, electrical equipment is also being on the increase the work, it is necessary to test verification
Increase therewith.The current transformer of new clothes is correct in order to ensure wiring, will carry out polarity test to it.Traditional polarity test
Using dry cell as measurement power supply, pointer multimeter carries out the polarity test of high-tension current inductor as measuring instrumentss.
During due to dry cell as power supply, pointer multimeter sensitivity is low, indicator deflection very little, therefore special messenger need to be sent to observe general-purpose
The pointer direction of table, causes measurement accuracy and measurement efficiency to substantially reduce.
Utility model content
In view of this, the purpose of this utility model is directed to the deficiencies in the prior art, there is provided a kind of high-tension current inductor
Polarity table, the polarity chron using the device to test high-tension current inductor is sensitiveer, improves the accuracy of measurement.And the reality
Positive reversed polarity is passed on by voice mode with new, therefore does not need special messenger's observation polarity table, therefore save human cost.
To reach above-mentioned purpose, the utility model uses following technical scheme：
A kind of high-tension current inductor polarity table, including electricity box, be arranged on the left permanent magnet of the electricity box bottom left, set
Put the electricity box bottom right right permanent magnet and be arranged between the left permanent magnet and the right permanent magnet formed
Powered coil in stationary magnetic field, left side the end of a thread of the powered coil connects left wiring hole, the powered coil by wire
Right side the end of a thread right wiring hole is connected by wire；
Rotate in the electricity box rotating shaft is set, and the rotating shaft is axially perpendicular to the left permanent magnet and the right permanent magnetism
The magnetic field line formed between body, the powered coil is fixedly installed in the rotating shaft, and the inner ring connection end of torque spring is fixed
It is arranged in the rotating shaft, the outer ring connection end of the torque spring is fixedly installed on the bottom of the electricity box；
The rotating shaft top is fixedly installed T-shape conduction pointer, and the T-shape conduction pointer left and right sides is respectively provided with a left side
Electric conductor and right electric conductor, the left electric conductor electric signal connect left sounding loop, and the right electric conductor electric signal connects right hair
Sound loop.
Further, the left sounding loop is successively by the left electric conductor, left SR, left relay, left electricity
Source, left prompting device and the T-shape conduction pointer electric signal are connected the loop of composition, wherein, two of the left relay touch
Point is connected with the left electric conductor and T-shape conduction pointer electric signal respectively.
Further, built-in " positive polarity " voice message of the left prompting device.
Further, the right sounding loop is successively by the right electric conductor, right SR, right relay, right electricity
Source, right prompting device and the T-shape conduction pointer electric signal are connected the loop of composition, wherein, two of the right relay touch
Point is connected with the right electric conductor and T-shape conduction pointer electric signal respectively.
Further, built-in " negative polarity " voice message of the right prompting device.
Further, the top of the electricity box sets handle.
Further, the side of the electricity box is provided with sender.
Further, the bottom of the electricity box sets supporting leg or roller.
The beneficial effects of the utility model are：
The problem that the utility model exists for the polarity test method of traditional high-tension current inductor, i.e. traditional test
Method using dry cell as measurement power supply, as the polarity that measuring instrumentss carry out high-tension current inductor survey by pointer multimeter
Examination, however, during due to dry cell as power supply, pointer multimeter sensitivity is low, indicator deflection very little, therefore special messenger need to be sent
The pointer direction of universal meter is observed, causes measurement accuracy and measurement efficiency to substantially reduce；A kind of high-tension current inductor is provided
Polarity table, the polarity chron using the device to test high-tension current inductor is sensitiveer, improves the accuracy of measurement, and the reality
Positive reversed polarity is passed on by voice mode with new, therefore does not need special messenger's observation polarity table, therefore save human cost.
When being powered as powered coil using the stationary magnetic field for being arranged on formation between the left permanent magnet of electricity box bottom and right permanent magnet
Cutting magnetic field, powered coil by rotating shaft realize freely rotating in stationary magnetic field, and when in powered coil by there is electricity
Ampere force can be subject to during stream, and then powered coil produces driving torque, powered coil can drive and turn in the presence of driving torque
Axle rotate, and then be fixedly installed on the T-shape in rotating shaft conduction pointer can deflect therewith, when T-shape conduction pointer to the left
It is electrically connected with so that left sounding loop forms closed-loop path with left electric conductor during deflection, and then left prompting device sends " positive polarity "
Voice message, in contrast, is electrically connected with so that right sounding loop when T-shape conduction pointer is deflected to the right with right electric conductor
Closed-loop path is formed, and then right prompting device sends " negative polarity " voice message；The utility model is allowed by the way of voice message
The yawing moment that tester can not observe conductive pointer just can quickly instruct the polarity of high-tension current inductor.
Brief description of the drawings
Fig. 1 is the structural representation of the first implementation method of the utility model.
Fig. 2 is a kind of stress diagram of powered coil of the present utility model.
Fig. 3 is high-tension current inductor polarity test wiring diagram of the present utility model.
Fig. 4 is the circuit diagram in left sounding loop of the present utility model.
Fig. 5 is the circuit diagram in right sounding loop of the present utility model.
Current flow diagrams when Fig. 6 is the utility model testing high voltage current transformer homopolarity sexual intercourse.
Current flow diagrams when Fig. 7 is the utility model testing high voltage current transformer antipole sexual intercourse.
Fig. 8 is the structural representation of second implementation method of the utility model.
Fig. 9 is the structural representation of the third implementation method of the utility model.
Specific embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
The accompanying drawing 1 to 7 of type embodiment, the technical scheme to the utility model embodiment is clearly and completely described.Obviously, retouched
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.It is new based on this described practicality
The embodiment of type, the every other embodiment that those of ordinary skill in the art are obtained belongs to the model of the utility model protection
Enclose.
Embodiment one：
As shown in figure 1, a kind of high-tension current inductor polarity table, including electricity box 1, it is arranged on the bottom left of the electricity box 1
Left permanent magnet 2, be arranged on the right permanent magnet 3 of the bottom right of the electricity box 1 and be arranged on the left permanent magnet 2 and the right side
Powered coil 4 in the stationary magnetic field formed between permanent magnet 3, left side the end of a thread of the powered coil 4 connects left by wire
Wiring hole 21, right side the end of a thread of the powered coil 4 connects right wiring hole 22 by wire；For ease of description, in the present embodiment
The magnetic direction of the stationary magnetic field formed between the left permanent magnet and the right permanent magnet is from left to right, as shown in Fig. 2 being
A kind of stress diagram of powered coil；
Rotate in the electricity box 1 rotating shaft 5 is set, and the rotating shaft 5 is axially perpendicular to the left permanent magnet 2 and the right side
The magnetic field line formed between permanent magnet 3, the powered coil 4 is fixedly installed in the rotating shaft 5, and the inner ring of torque spring 6 connects
Connect end to be fixedly installed in the rotating shaft 5, the outer ring connection end of the torque spring 6 is fixedly installed on the bottom of the electricity box 1；
The top of the rotating shaft 5 is fixedly installed T-shape conduction pointer 7, and T-shape conduction pointer 7 left and right sides sets respectively
Left electric conductor 8 and right electric conductor 9 are put, the electric signal of left electric conductor 8 connects left sounding loop, the electric signal of right electric conductor 9
Connect right sounding loop.
As shown in figure 4, being the circuit diagram in left sounding loop, the left sounding loop is for successively by the left electric conductor 8, a left side
SR 10, left relay 11, left power supply 12, left prompting device 13 and the T-shape conduction electric signal of pointer 7 are connected composition
Loop, wherein, two contacts of the left relay 11 respectively with the left electric conductor 8 and the T-shape conduction telecommunications of pointer 7
Number connection；This loop has self-retaining function, remains to repeat to send prompting letter after T-shape conduction pointer leaves left electric conductor
Breath；When left relay power, the closing of contact of left relay, when left relay electric-loss, the contact of left relay disconnects；When
Loop during as bottom left SR where left SR disconnects, the returning where left SR when left SR is unclamped
Road connects.
Built-in " positive polarity " voice message of left prompting device 13, after setting voice message, tester need not observe
The yawing moment of conductive pointer, only need to listen voice message it may determine that the polarity of high-tension current inductor.
As shown in figure 5, being the circuit diagram in right sounding loop, the right sounding loop is for successively by the right electric conductor 9, the right side
SR 14, right relay 15, right power supply 16, right prompting device 17 and the T-shape conduction electric signal of pointer 7 are connected composition
Loop, wherein, two contacts of the right relay 15 respectively with the right electric conductor 9 and the T-shape conduction telecommunications of pointer 7
Number connection.
Built-in " negative polarity " voice message of right prompting device 17.
As shown in figure 3, being the high-tension current inductor polarity test wiring diagram of this polarity table, this test loop includes high pressure
Current transformer high-pressure side wire, high-tension current inductor iron core 23, high-tension current inductor low-pressure side wire, applied to high-pressure side
The dry cell 24 that powers up and the small-sized plug-in strip 25 for being series at high pressure side loop, high-tension current inductor low-pressure side by wire with
The left wiring hole 21 and right wiring hole 22 of this polarity table are connected.When doing experiment, repeatedly plug-in strip is closed, disconnected, closed, broken
Open ... the pulse current that so high-pressure side has interruption, the direction of pulse current is by the positive pole of the dry cell 24 through the height
Voltage current transformer high-pressure side wire stream flows back to the negative pole of the dry cell.Each current impulse can be in the high-tension current
A corresponding current impulse is induced in transformer low pressure side loop out.
As shown in fig. 6, current flow diagrams during for testing high voltage current transformer homopolarity sexual intercourse, if high-tension current is mutual
If high pressure side that sensor high-pressure side dry cell positive pole is connected and the left wiring hole of this polarity table are homopolarity sexual intercourse, high pressure
The direction of the pulse current that current transformer low-pressure side is induced flows into the left wiring hole of this polarity table.As shown in figure 1, electric current
This polarity table is flowed into by left wiring hole, powered coil is flowed into by the wire of left wiring hole, then by the wire of right wiring hole
This polarity table is flowed out, then the low pressure side loop of high-tension current inductor is flowed back to by wire.As shown in Figure 2, if electric current connects from a left side
String holes flows into powered coil, and powered coil is subject to counterclockwise in the stationary magnetic field produced by left permanent magnet and right permanent magnet
Driving torque, at this moment, the T-shape that is fixedly installed in rotating shaft conduction pointer makes as powered coil is rotated counterclockwise
Obtain left sounding loop to link up, left prompting device sends " positive polarity " voice signal, at this moment prompting of the testing crew according to left prompting device
Can judge that electric current is flowed out from the low pressure side terminal of the high-tension current inductor being connected with left wiring hole, and then sentence
Break and terminal that high-tension current inductor is connected with the positive pole of the dry cell and high-tension current inductor is connected with left wiring hole
Terminal be homopolarity sexual intercourse.
As shown in fig. 7, current flow diagrams during for testing high voltage current transformer antipole sexual intercourse, if high-tension current is mutual
If high pressure side that sensor high-pressure side dry cell positive pole is connected and the left wiring hole of this polarity table are antipole sexual intercourse, high pressure
The direction of the pulse current that current transformer low-pressure side is induced flows into the right wiring hole of this polarity table.As shown in figure 1, electric current
This polarity table is flowed into by right wiring hole, powered coil is flowed into by the wire of right wiring hole, then by the wire of left wiring hole
This polarity table is flowed out, then the low pressure side loop of high-tension current inductor is flowed back to by wire.As shown in Figure 2, if electric current connects from the right side
String holes flows into powered coil, and powered coil is subject to clockwise in the stationary magnetic field produced by left permanent magnet and right permanent magnet
Driving torque, at this moment, the T-shape that is fixedly installed in rotating shaft conduction pointer makes as powered coil is rotated clockwise
Obtain right sounding loop to link up, right prompting device sends " negative polarity " voice signal, at this moment prompting of the testing crew according to right prompting device
Can judge that electric current is flowed out from the low pressure side terminal of the high-tension current inductor being connected with right wiring hole, and then sentence
Break and terminal that high-tension current inductor is connected with the positive pole of the dry cell and high-tension current inductor is connected with left wiring hole
Terminal be antipole sexual intercourse.
The problem that the utility model exists for the polarity test method of traditional high-tension current inductor, i.e. traditional test
Method using dry cell as measurement power supply, as the polarity that measuring instrumentss carry out high-tension current inductor survey by pointer multimeter
Examination, however, during due to dry cell as power supply, pointer multimeter sensitivity is low, indicator deflection very little, therefore special messenger need to be sent
The pointer direction of universal meter is observed, causes measurement accuracy and measurement efficiency to substantially reduce；A kind of high-tension current inductor is provided
Polarity table, the polarity chron using the device to test high-tension current inductor is sensitiveer, improves the accuracy of measurement, and the reality
Positive reversed polarity is passed on by voice mode with new, therefore does not need special messenger's observation polarity table, therefore save human cost.
When being powered as powered coil using the stationary magnetic field for being arranged on formation between the left permanent magnet of electricity box bottom and right permanent magnet
Cutting magnetic field, powered coil by rotating shaft realize freely rotating in stationary magnetic field, and when in powered coil by there is electricity
Ampere force can be subject to during stream, and then powered coil produces driving torque, powered coil can drive and turn in the presence of driving torque
Axle rotate, and then be fixedly installed on the T-shape in rotating shaft conduction pointer can deflect therewith, when T-shape conduction pointer to the left
It is electrically connected with so that left sounding loop forms closed-loop path with left electric conductor during deflection, and then left prompting device sends " positive polarity "
Voice message, in contrast, is electrically connected with so that right sounding loop when T-shape conduction pointer is deflected to the right with right electric conductor
Closed-loop path is formed, and then right prompting device sends " negative polarity " voice message；The utility model is allowed by the way of voice message
The yawing moment that tester can not observe conductive pointer just can quickly instruct the polarity of high-tension current inductor.
Embodiment two：
As shown in figure 8, it is with the difference of embodiment one：The side of the electricity box 1 is provided with sender 19.
In the embodiment, the side of electricity box is provided with sender so that the voice that left prompting device and right prompting device send
Easily spread out of to come from the electricity box of this polarity table, clearly heard in order to testing crew.
Embodiment three：
As shown in figure 9, it is with the difference of embodiment two：The top of the electricity box 1 sets handle 18；The electricity box 1
Bottom set supporting leg 20.
In the embodiment, handle is set at the top of electricity box, is carried in order to testing crew；And set in the bottom of electricity box
Supporting leg, in order to this polarity table is placed on ground or workbench, additionally, for the ease of mobile this polarity table, it is also possible to will
Supporting leg is replaced by roller, so can still play identical effect.
Finally illustrate, above example is only used to illustrate the technical solution of the utility model and unrestricted, this area
Other modifications or equivalent that those of ordinary skill is made to the technical solution of the utility model, without departing from this practicality
The spirit and scope of new technique scheme, all should cover in the middle of right of the present utility model.
Claims (8)
1. a kind of high-tension current inductor polarity table, it is characterised in that：Including electricity box, it is arranged on the left side of the electricity box bottom left
Permanent magnet, the right permanent magnet for being arranged on the electricity box bottom right and be arranged on the left permanent magnet and the right permanent magnet it
Between formed stationary magnetic field in powered coil, left side the end of a thread of the powered coil connects left wiring hole by wire, described
Right side the end of a thread of powered coil connects right wiring hole by wire；Rotate in the electricity box and rotating shaft be set, and the rotating shaft axle
To the magnetic field line formed between the left permanent magnet and the right permanent magnet, the powered coil is fixedly installed on described
In rotating shaft, the inner ring connection end of torque spring is fixedly installed in the rotating shaft, and the outer ring connection end of the torque spring is fixed
It is arranged on the bottom of the electricity box；The rotating shaft top is fixedly installed T-shape conduction pointer, described T-shape conduction pointer or so
Both sides are respectively provided with left electric conductor and right electric conductor, and the left electric conductor electric signal connects left sounding loop, the right electric conductor
Electric signal connects right sounding loop.
2. a kind of high-tension current inductor polarity table according to claim 1, it is characterised in that：The left sounding loop is
Successively by the left electric conductor, left SR, left relay, left power supply, left prompting device and the T-shape conduction pointer telecommunications
Number be connected the loop for constituting, wherein, two contacts of the left relay are conductive with the left electric conductor and the T-shape respectively
Pointer electric signal is connected.
3. a kind of high-tension current inductor polarity table according to claim 2, it is characterised in that：The left prompting device is built-in
" positive polarity " voice message.
4. a kind of high-tension current inductor polarity table according to claim 1, it is characterised in that：The right sounding loop is
Successively by the right electric conductor, right SR, right relay, right power supply, right prompting device and the T-shape conduction pointer telecommunications
Number be connected the loop for constituting, wherein, two contacts of the right relay are conductive with the right electric conductor and the T-shape respectively
Pointer electric signal is connected.
5. a kind of high-tension current inductor polarity table according to claim 4, it is characterised in that：The right prompting device is built-in
" negative polarity " voice message.
6. a kind of high-tension current inductor polarity table according to claim 1, it is characterised in that：Set at the top of the electricity box
Put handle.
7. a kind of high-tension current inductor polarity table according to claim 1, it is characterised in that：The side of the electricity box sets
It is equipped with sender.
8. a kind of high-tension current inductor polarity table according to claim 1, it is characterised in that：The bottom of the electricity box sets
Put supporting leg or roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275576.XU CN206193150U (en) | 2016-11-25 | 2016-11-25 | High tension current transformer polarity table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621275576.XU CN206193150U (en) | 2016-11-25 | 2016-11-25 | High tension current transformer polarity table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206193150U true CN206193150U (en) | 2017-05-24 |
Family
ID=58724521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621275576.XU Expired - Fee Related CN206193150U (en) | 2016-11-25 | 2016-11-25 | High tension current transformer polarity table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206193150U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677929A (en) * | 2017-07-14 | 2018-02-09 | 国网浙江省电力公司嘉兴供电公司 | A kind of mutual inductor polarity test system |
| CN110196394A (en) * | 2019-06-23 | 2019-09-03 | 郑州工业应用技术学院 | Wafer cassette electronic tag electric quantity warning device |
| CN110988776A (en) * | 2019-11-25 | 2020-04-10 | 国网山东省电力公司潍坊供电公司 | Device for detecting polarity of current transformer in small-current grounding line selection device |
-
2016
- 2016-11-25 CN CN201621275576.XU patent/CN206193150U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677929A (en) * | 2017-07-14 | 2018-02-09 | 国网浙江省电力公司嘉兴供电公司 | A kind of mutual inductor polarity test system |
| CN110196394A (en) * | 2019-06-23 | 2019-09-03 | 郑州工业应用技术学院 | Wafer cassette electronic tag electric quantity warning device |
| CN110196394B (en) * | 2019-06-23 | 2021-04-20 | 郑州工业应用技术学院 | Electric quantity alarm device for wafer box electronic tag |
| CN110988776A (en) * | 2019-11-25 | 2020-04-10 | 国网山东省电力公司潍坊供电公司 | Device for detecting polarity of current transformer in small-current grounding line selection device |
| CN110988776B (en) * | 2019-11-25 | 2022-07-01 | 国网山东省电力公司潍坊供电公司 | Device for detecting polarity of current transformer in small-current grounding line selection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20181125 |