CN206248765U - A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection - Google Patents
A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection Download PDFInfo
- Publication number
- CN206248765U CN206248765U CN201621107348.1U CN201621107348U CN206248765U CN 206248765 U CN206248765 U CN 206248765U CN 201621107348 U CN201621107348 U CN 201621107348U CN 206248765 U CN206248765 U CN 206248765U
- Authority
- CN
- China
- Prior art keywords
- tong arm
- high frequency
- frequency current
- magnetic core
- hand
- 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.)
- Active
Links
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The utility model discloses a kind of hand-held High Frequency Current Sensor for Partial Discharge Detection, it includes affixed side tong arm（1）With the active side tong arm located at affixed side tong arm one end（2）, affixed side tong arm include first shielding tong arm cover plate（3）With the first magnetic core on the inside of the first shielding tong arm cover plate（4）, the first magnetic core is provided with winding（7）, active side tong arm include secondary shielding tong arm cover plate（5）With the second magnetic core（6）；Affixed side tong arm and active side tong arm are located at handle housing（8）On, handle housing side is provided with handle cover plate（9）；Active side tong arm is provided with shifting block（10）, shifting block is provided with torsionspring（11）.The utility model is easy to operate using the hand-held High Frequency Current Sensor for Partial Discharge Detection, practical, two parts of dismounting and fastened sensors during without detecting every time, repeated disassembled and assembled and fixation in onsite application are avoided, the substantial amounts of time has been saved, the efficiency of detection is improve.
Description
Technical field
The utility model is related to a kind of technical field of local discharge signal in electric power equipment detection, more particularly to one kind to be used for
The hand-held High Frequency Current Sensor of Partial Discharge Detection.
Background technology
The insulating materials of power equipment is to ensure the important component that power equipment normally runs, but due to insulation material
Expect the defect of aging under forceful electric power field action or insulating materials processing, office occurs inside insulating materials in power equipment operation
Portion discharges, and shelf depreciation can accelerate the aging of insulating materials, so as to cause the power equipment lost of life, therefore finds as early as possible and knows
Other shelf depreciation, takes measures to slow down the aging of power equipment.
In power equipment running, the part of Electric Power Equipment Insulation material is generally detected with high frequency current measurement method
Discharged condition.The High Frequency Current Sensor that current high frequency electric method is used（HFCT）Clamping hoop type sensor is mostly, will two
The sensor of semicircle or two half squares is stitched together, and its drawback is to be needed during detection every time with bolt or clip
Be fixed together for two parts, it is necessary to dismount two parts of simultaneously fastened sensors, such repeated disassembled and assembled and fixation every time by mode
More bothered in use at the scene so that the workload of maintainer is big, the time is long.
Utility model content
The utility model is in view of the shortcomings of the prior art, there is provided a kind of simple structure, easy to use, practical and energy
Enough improve the hand-held High Frequency Current Sensor for Partial Discharge Detection of detection efficiency.
It solves the technical scheme that is used of technical problem：A kind of hand-held high frequency electric for Partial Discharge Detection
Sensor, it includes affixed side tong arm and the active side tong arm located at affixed side tong arm one end, and the affixed side tong arm includes the
The first magnetic core on the inside of one shielding tong arm cover plate and the first shielding tong arm cover plate, first magnetic core is provided with winding, the work
Dynamic side tong arm includes that the secondary shielding being engaged with the first shielding tong arm cover plate and the first magnetic core on the affixed side tong arm is clamped
Arm cover plate and the second magnetic core；First magnetic core and second magnetic core cooperatively form closure magnet ring；The affixed side tong arm and
On handle housing, the handle housing side is provided with handle cover plate to the active side tong arm；Set on the active side tong arm
There is shifting block, the shifting block is provided with torsionspring located at handle housing outside, the shifting block.
Preferably, described handle housing one end is provided with BNC air plug interfaces, for exporting measurement signal.
Preferably, the affixed side tong arm and the active side tong arm side are equipped with clearance groove, the clearance groove is 1-
5mm。
Preferably, first magnetic core and second magnetic core are ferrite core of nickel-zinc, for induction of high frequency electric current
Signal, ferrite core of nickel-zinc can couple the high-frequency current signal of 30MHz.
Preferably, enamel-covered wire of the winding for line footpath 1-3mm, and the number of turn of the winding is 50-100 circles.
Preferably, also including integrating resistor, the two ends of the winding are connected with integrating resistor.
Preferably, the integrating resistor is parallel to the two ends of winding.
The beneficial effects of the utility model are sensed by using the hand-held high frequency electric for Partial Discharge Detection
Device, sets shifting block and handle housing, when pressing shifting block so that torsionspring rotates, and controls the motion of active side tong arm, operation side
Just, it is practical, two parts of dismounting and fastened sensors during without detection every time, it is to avoid in onsite application repeated disassembled and assembled and
It is fixed, the workload of maintainer is reduced, the substantial amounts of time has been saved, improve the efficiency of detection；First magnetic core and described
Second magnetic core is ferrite core of nickel-zinc, can couples high frequency current signal, for induction of high frequency current signal；Affixed side is clamped
Arm and active side tong arm side are equipped with clearance groove, can enable that the first magnetic core and the second magnetic core more delicately sense magnetic
.
Brief description of the drawings
Fig. 1 is that the detonation configuration of the hand-held High Frequency Current Sensor that the utility model is used for Partial Discharge Detection is illustrated
Figure.
Fig. 2 is the structural representation of the hand-held High Frequency Current Sensor that the utility model is used for Partial Discharge Detection.
Fig. 3 is the BNC air plug interface knots of the hand-held High Frequency Current Sensor that the utility model is used for Partial Discharge Detection
Structure schematic diagram.
Fig. 4 is the operation principle sketch of the hand-held High Frequency Current Sensor that the utility model is used for Partial Discharge Detection.
1. affixed side tong arm in figure, 2. active side tong arm, 3. first shields tong arm cover plate, 4. the first magnetic core, 5. the second screen
Tong arm cover plate is covered, 6. the second magnetic core, 7. winding, 8. handle housing, 9. handle cover plate, 10. shifting block, 11. torsionsprings, 12.
BNC air plug interfaces, 13. integrating resistors, 14. clearance grooves, 15.M3 crossed countersunk head screws, 16. tested current carrying conductor or conductors.
Specific embodiment
The utility model is described in further details below in conjunction with the drawings and specific embodiments.
As shown in Fig. 1~Fig. 4, a kind of structural representation of the present utility model, hand-held for Partial Discharge Detection is high
Frequency current sensor, it includes affixed side tong arm 1 and the active side tong arm 2 located at the one end of affixed side tong arm 1, the affixed side pincers
Arm 1 includes the first magnetic core 4 of the first shielding tong arm cover plate 3 and the inner side of the first shielding tong arm cover plate 3, is set on first magnetic core 4
There is winding 7, the active side tong arm 2 includes and the first shielding tong arm cover plate 3 and the first magnetic core 4 on the affixed side tong arm 1
The secondary shielding tong arm cover plate 5 and the second magnetic core 6 being engaged；First magnetic core 4 and second magnetic core 6 cooperatively form closure
Magnet ring；On handle housing 8, the side of the handle housing 8 is provided with hand for the affixed side tong arm 1 and the active side tong arm 2
Handle cover plate 9；The active side tong arm 2 is provided with shifting block 10, and the shifting block 10 is located at the outside of the handle housing 8, the shifting block
10 are provided with torsionspring 11.
The one end of the handle housing 8 is provided with BNC air plugs interface 12, for exporting measurement signal.The affixed side tong arm 1
Clearance groove 14 is equipped with the side of active side tong arm 2, the clearance groove 14 is 2mm.First magnetic core 4 and described second
Magnetic core 6 is ferrite core of nickel-zinc, and for induction of high frequency current signal, ferrite core of nickel-zinc can couple the height of 30MHz
Frequency current signal.The winding 7 is the enamel-covered wire of line footpath 1mm, and the number of turn of the winding 7 is 50-100 circles.Also include integration
Resistance 13, the two ends of the winding 7 are connected with integrating resistor 13.The integrating resistor 13 is parallel to the two ends of winding 7.
Hand-held High Frequency Current Sensor for Partial Discharge Detection first sinks affixed side tong arm 1 with M3 crosses when assembling
Head screw 15 is fixed on handle housing 8, and active side tong arm 2 is connected in affixed side tong arm 1, then by affixed side tong arm 1
The first magnetic core 4 wind the winding 7, the first magnetic core 4 and the second magnetic core 6 are outer wind insulating tape again after fill epoxy resin again
It is fixed, using poured with epoxy resin embedding, in order to fix the first magnetic core 4 and the second magnetic core 6, will with M3 crossed countersunk heads screw 15
First shielding tong arm cover plate 3 and secondary shielding tong arm cover plate 5 are respectively fixed on affixed side tong arm 1 and active side tong arm 2, finally
Torsionspring 11 is inserted in shifting block 10, handle cover plate 9 is fixed on handle housing 8 with M3 crossed countersunk heads screw 15, by BNC
Air plug interface 12 is fixed to the one end of handle housing 8 with M3 crossed countersunk heads screw 15.
The course of work of the present utility model is：During measurement part discharge current, shifting block 10 is pressed so that active side tong arm 2
Opening is formed between affixed side tong arm 1, so as to realize closing the unlatching of magnet ring, tested current carrying conductor or conductor 16 use is placed in
In the centre of the hand-held High Frequency Current Sensor of Partial Discharge Detection, then unclamp shifting block 10 so that active side tong arm 2 and fixation
Side tong arm 1 is closed, so that realize closing the closure of magnet ring, when having shelf depreciation high frequency electric in tested current carrying conductor or conductor 16
By when, can enable that the first magnetic core 4 and the second magnetic core 6 more delicately sense tested current carrying conductor by clearance groove 14
Or the magnetic field that the shelf depreciation high frequency electric of conductor 16 is produced, so as to produce induced-current in winding 7, the induced-current is by product
Sub-resistance 13 is converted into voltage output, can be through the BNC air plugs in the hand-held High Frequency Current Sensor for Partial Discharge Detection
Interface 12 is connected to measuring apparatus.
The utility model preferred embodiment is these are only, therefore can not according to this limit the scope that the utility model is implemented, i.e.,
The equivalence changes and decoration made according to the utility model description, should all belong in the range of the utility model covering.
Claims (7)
1. a kind of hand-held High Frequency Current Sensor for Partial Discharge Detection, it is characterised in that：It includes affixed side tong arm
（1）With located at affixed side tong arm（1）The active side tong arm of one end（2）, the affixed side tong arm（1）Including the first shielding tong arm lid
Plate（3）With the first shielding tong arm cover plate（3）First magnetic core of inner side（4）, first magnetic core（4）It is provided with winding（7）, it is described
Active side tong arm（2）Including with the affixed side tong arm（1）On first shielding tong arm cover plate（3）With the first magnetic core（4）Match
The secondary shielding tong arm cover plate of conjunction（5）With the second magnetic core（6）；First magnetic core（4）With second magnetic core（6）Cooperatively form
Closure magnet ring；The affixed side tong arm（1）With the active side tong arm（2）Located at handle housing（8）On, the handle housing
（8）Side is provided with handle cover plate（9）；The active side tong arm（2）It is provided with shifting block（10）, the shifting block（10）Located at the hand
Handle housing（8）Outside, the shifting block（10）It is provided with torsionspring（11）.
2. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 1, it is characterised in that：Institute
State handle housing（8）One end is provided with BNC air plug interfaces（12）, for exporting measurement signal.
3. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 1, it is characterised in that：Institute
State affixed side tong arm（1）With the active side tong arm（2）Side is equipped with clearance groove（14）, the clearance groove（14）It is 1-5mm.
4. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 1, it is characterised in that：Institute
State the first magnetic core（4）With second magnetic core（6）Ferrite core of nickel-zinc is, for induction of high frequency current signal, nickel zinc iron
Ferrite core can couple the high-frequency current signal of 30MHz.
5. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 1, it is characterised in that：Institute
State winding（7）It is the enamel-covered wire of line footpath 1-3mm, and the winding（7）The number of turn be 50-100 circles.
6. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 1, it is characterised in that：Also
Including integrating resistor（13）, the winding（7）Two ends be connected with integrating resistor（13）.
7. the hand-held High Frequency Current Sensor for Partial Discharge Detection according to claim 6, it is characterised in that：Institute
State integrating resistor（13）It is parallel to winding（7）Two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107348.1U CN206248765U (en) | 2016-10-10 | 2016-10-10 | A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621107348.1U CN206248765U (en) | 2016-10-10 | 2016-10-10 | A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248765U true CN206248765U (en) | 2017-06-13 |
Family
ID=58996211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621107348.1U Active CN206248765U (en) | 2016-10-10 | 2016-10-10 | A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248765U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872670A (en) * | 2018-07-12 | 2018-11-23 | 安徽诚意电气科技有限公司 | A kind of current sensor |
| TWI668597B (en) * | 2017-08-31 | 2019-08-11 | 國立高雄第一科技大學 | Partial discharge signal capture system |
| CN110260911A (en) * | 2018-03-12 | 2019-09-20 | 中国电力科学研究院有限公司 | A kind of large-section lead arc sag on-line monitoring system |
| CN111239566A (en) * | 2020-03-02 | 2020-06-05 | 西南交通大学 | High-sensitivity high-frequency pulse current sensor |
| ES2859164A1 (en) * | 2021-03-03 | 2021-10-01 | Univ Madrid Politecnica | INSULATED AND SHIELDED PARTIAL DISCHARGE SENSOR DEVICE OF HIGH FREQUENCY CURRENT TRANSFORMER, HFCT, HIGH GAIN AND LOW DISTORTION WITH SELF-TEST SYSTEM FOR HIGH VOLTAGE EQUIPMENT AND INSTALLATIONS (Machine-translation by Google Translate, not legally binding) |
-
2016
- 2016-10-10 CN CN201621107348.1U patent/CN206248765U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI668597B (en) * | 2017-08-31 | 2019-08-11 | 國立高雄第一科技大學 | Partial discharge signal capture system |
| CN110260911A (en) * | 2018-03-12 | 2019-09-20 | 中国电力科学研究院有限公司 | A kind of large-section lead arc sag on-line monitoring system |
| CN108872670A (en) * | 2018-07-12 | 2018-11-23 | 安徽诚意电气科技有限公司 | A kind of current sensor |
| CN111239566A (en) * | 2020-03-02 | 2020-06-05 | 西南交通大学 | High-sensitivity high-frequency pulse current sensor |
| ES2859164A1 (en) * | 2021-03-03 | 2021-10-01 | Univ Madrid Politecnica | INSULATED AND SHIELDED PARTIAL DISCHARGE SENSOR DEVICE OF HIGH FREQUENCY CURRENT TRANSFORMER, HFCT, HIGH GAIN AND LOW DISTORTION WITH SELF-TEST SYSTEM FOR HIGH VOLTAGE EQUIPMENT AND INSTALLATIONS (Machine-translation by Google Translate, not legally binding) |
| WO2022184953A1 (en) * | 2021-03-03 | 2022-09-09 | Universidad Politécnica de Madrid | Insulated, shielded partial discharge sensor device of the high-frequency current transformer (hfct) type, with high gain and low distortion, and with self-check system for high-voltage equipment and installations |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206248765U (en) | A kind of hand-held High Frequency Current Sensor for Partial Discharge Detection | |
| CN203672938U (en) | AC-DC universal leakage-current sensor | |
| CN102998160A (en) | Cylindrical sample preparation device for measuring moisture content of green sand through capacitance method and method for measuring moisture content of green sand | |
| CN109031169B (en) | Nondestructive testing device and method for testing temperature-adjustable claw pole magnetic performance | |
| CN201681115U (en) | Current sensor used for grounding current detection of transmission poles and towers | |
| CN107677896B (en) | Same district timesharing conductance space charge measurement device based on ontology capacitance | |
| CN206696387U (en) | External extra-high video sensor for GIS partial discharge detection | |
| CN102305881A (en) | Adsorption device for acoustic emission sensor | |
| CN203259600U (en) | Near field measuring tool for electromagnetic field | |
| CN201311463Y (en) | Resistive current tester of high-current zinc oxide arrester | |
| CN204719221U (en) | A kind of caliberating device of high-frequency local discharging sensor | |
| CN104251929A (en) | Self-supplying current measuring device | |
| CN107102214B (en) | Small inductor metal magnet ring inductance measurement tooling with flexibility test needle | |
| CN206523579U (en) | Based on wireless radio-frequency lightning arrester resistance leakage current detection means | |
| CN201594103U (en) | Sleeve-type high-voltage one-phase sampler | |
| CN207488231U (en) | A kind of flat scanning probe apparatus | |
| CN204422629U (en) | A kind of non-contact alternating current flow measuring apparatus | |
| CN204346974U (en) | A kind of pulse eddy current probe | |
| CN207650339U (en) | A kind of novel electric power measuring instrument | |
| CN106646051A (en) | Lightning arrester testing device and lightning arrester testing method | |
| CN206400083U (en) | Diamagnetic measuring probe, diamagnetic measurement bar and diamagnetic measurement apparatus | |
| CN206788110U (en) | A kind of plane probe | |
| CN206431205U (en) | A kind of equipment for the noise for being used to test after microwave product assembling CAP | |
| CN219179299U (en) | Dry-type transformer winding coil material vortex detection device | |
| CN206096228U (en) | Portable clip on ammeter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |