CN203217039U - High-frequency current partial-discharge live detector - Google Patents
High-frequency current partial-discharge live detector Download PDFInfo
- Publication number
- CN203217039U CN203217039U CN 201320124707 CN201320124707U CN203217039U CN 203217039 U CN203217039 U CN 203217039U CN 201320124707 CN201320124707 CN 201320124707 CN 201320124707 U CN201320124707 U CN 201320124707U CN 203217039 U CN203217039 U CN 203217039U
- Authority
- CN
- China
- Prior art keywords
- office
- frequency current
- electricity
- measuring device
- current according
- 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
Links
- 238000001514 detection method Methods 0.000 claims abstract description 45
- 238000012360 testing method Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 238000003908 quality control method Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000006870 function Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 206010022998 Irritability Diseases 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
Images
Landscapes
- Testing Relating To Insulation (AREA)
Abstract
The utility model discloses a high-frequency current partial-discharge live detector, which comprises a detection host and detection accessories. The detection host comprises a housing and a detection circuit in the housing, wherein the housing is equipped with a display displaying partial-discharge waveforms, a loudspeaker playing partial-discharge sounds, and operational buttons. The detection accessories are connected with the detection host via an interface module arranged on the detection host. The high-frequency current partial-discharge live detector has the advantages that 1) functions are complete, wherein the partial-discharge waveforms can be displayed, the partial-discharge sounds can be heard via the built-in loudspeaker, and sound and waveform information can be recorded in the detector or downloaded to a computer at anytime; 2) application scope is wide, wherein the detector can be used for quality control of a high-voltage equipment manufacturer as well as safety control for live work; and 3) operation and use are flexible, wherein the detector can form a system together with a low-noise HV source, an HF capacitive coupler and other accessories to test partial-discharge state of equipment.
Description
Technical field
The utility model relates to a kind of high-frequency current office and puts measuring device with electricity.
Background technology
Shelf depreciation refers to only make the electrical discharge of the insulated part ground bridge joint between conductor, and it may take place near conductor, also may not take place near conductor, so can be interpreted as shelf depreciation the partial breakdown of small part in the insulating medium between conductor.Partial Discharge Detection is the main method of check power equipment insulating property; past adopts the method for shutting down discharge test to carry out Partial Discharge Detection mostly; this method not only has to a certain degree destruction to equipment performance; and can influence economic benefit; main is that shutdown span detection time is bigger; can not often carry out, can not guarantee in time to send the shelf depreciation alarm, power equipment is damaged.
The equipment that has also occurred some partial discharge monitorings in the prior art; these on-line monitoring equipment can overcome shuts down detection to the helpless shortcoming of the shelf depreciation that takes place between twice detection period, can make forecast timely at the initial stage of shelf depreciation development.Yet existing monitoring equipment has also appeared inaccurate such as testing result inevitably in application process, and operation is used inconvenient and range of application shortcoming widely not.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of high-frequency current office to put measuring device with electricity, it can be used in accurately to detect under running status and comprises cable and shelf depreciations such as cable accessory and switch cubicle/transformer, in operation, both can adopt the IEC60270 standard method of measurement to measure, also can adopt HFCT to carry out office at ground wire and be placed on the line measurement, also can directly get involved measurement by householder method.
For achieving the above object, the technical solution of the utility model is achieved in that a kind of high-frequency current office puts measuring device with electricity, it is characterized in that, comprises; Detect main frame, described detection main frame comprises the testing circuit of housing and enclosure interior, and housing is provided with the display that waveform is put in demonstration office, the loudspeaker of broadcast office sound reproduction sound, and operation push-button; Detection accessory, described detection accessory is connected with described detection main frame by being arranged on the interface module that detects on the main frame.
Described operation push-button comprises: return key, acknowledgement key, on ﹠ off switch, backlight key and volume are adjusted key.
Described interface module comprises first interface and second interface at least.
The utility model has following beneficial effect with respect to prior art:
The first, functional characteristics is perfect, and measuring system is put in ultra broadband amplification office, adopt the ultrahigh-speed Detection Techniques, but both waveform was put in figure demonstration office, can also hear office's sound reproduction sound with boombox, these information can record and be kept at instrument internal, also can download to computing machine at any time.
The second, have wide range of applications, can be applicable to the quality control of mesohigh device fabrication factory, install and repair the quality control of back insulation, critical component insulation ag(e)ing process on-line tracing, the security control before for example transformer/switch/cable splice/lightning arrester etc., and charged work.
The 3rd, operation is used flexibly, can with low noise HV source, HF capacitive coupler and other annexes are formed system, measurement is put in the laboratory office that is used for power equipment: use capacitive character and irritability sensor directly live testing cable accessory office put; Adopt directly tape splicing electrical indicator (inline voltage divider) of quarter-phase coupling mechanism, the office of measuring switch cabinet inside puts; Adopt the mode of HF current sensor card ground wire, come the office of testing apparatus to put state.
Description of drawings
Fig. 1 is put the structure principle chart of measuring device with electricity for high-frequency current of the present utility model office;
Fig. 2 is the construction module synoptic diagram of Device Testing main frame shown in Figure 1;
Fig. 3 is the shell mechanism synoptic diagram of detection main frame of the present utility model;
Fig. 4 is the first specific embodiment synoptic diagram of detection accessory of the present utility model;
Fig. 5 is the second specific embodiment synoptic diagram of detection accessory of the present utility model;
Fig. 6 is the 3rd specific embodiment synoptic diagram of detection accessory of the present utility model.
Embodiment
For the ease of the further understanding to utility model, below in conjunction with accompanying drawing embodiment of the present utility model is done detailed description further.
As shown in Figure 1, high-frequency current of the present utility model office puts measuring device with electricity and comprises: detect main frame 100 and detection accessory 200, described detection accessory 200 is connected with described detection main frame 100 by being arranged on the interface module that detects on the main frame 100.
Fig. 2 is the construction module synoptic diagram of detection main frame of the present utility model, as shown in the figure, detects main frame and comprises: data processing module 101, display module 102, sound module 103, key-press module 104, interface module 105, and memory module 106.Wherein, described display module 102, sound module 103, key-press module 104, interface module 105 and memory module 106 are connected to data processing module 101 respectively.
The function of data processing module 101 is that the analog signal conversion that the cable transmission that is connected by the sensor in the detection accessory 200 is come is become digital signal, then, digital signal is correspondingly processed, comprises denoising, extract signal characteristic, diagnostic analysis and trend analysis etc.
Memory module 106 is responsible for the data after storage data processing module 101 is handled, and the result after the processing can download, and in specific embodiment, for example can be transferred to server by optical cable.
Fig. 3 is the shell mechanism synoptic diagram of detection main frame of the present utility model, and as shown in the figure, housing 110 is provided with the display 113 that waveform is put in demonstration office, and display 113 with dB and bar graph demonstration office high-volume also shows waveform and the battery levels of signal.Setting operation button 114 below display 113 arranges loudspeaker 115 below operation push-button 114, be used for broadcast office sound reproduction sound.At least be provided with first interface 111 and second interface 112 in the upper end of housing 110, be provided with charging jack 119 at the side of housing 110.
Described operation push-button 114 comprises: return key, acknowledgement key, on ﹠ off switch, backlight key and volume are adjusted key.Specifically be provided with: the BACK key is used for returning Previous Menu when entering menu option; The ENTER key is used for confirming; UP/VOLUME, for the volume that under read mode, improves loudspeaker, and option above under menu mode, entering; DOWN/VOLUME, for the volume that under read mode, reduces loudspeaker, and option below under menu mode, entering; I//O is used for switch; BACKLIGHT is used for backlight opening, 1-50%, and 2-100% closes At All Other Times, opens and closes automatically in back 45 seconds.
Fig. 4 is the first specific embodiment synoptic diagram of detection accessory of the present utility model, and as shown in the figure, described detection accessory comprises sensor, and in the present embodiment, described sensor is grafter sensor 210.Described grafter sensor 210 has the contact sonde 211 of realizing the shovel shape fit tightly with determinand, grafter sensor 210 stube cable lines, and the BNC connector 213 of cable is realized and being connected of described detection main frame 100 by being connected to first interface 111.
Described grafter sensor 210 is connected with insulation operating grip (not shown), the insulation operating grip interfixes by connecting elements such as screw and contact sonde 211, and the effect of this insulation operating grip is: fixing flat scraper type sensor 210 and make the zone slip that it is detecting.
Certainly, as the distortion of embodiment, sensor can also adopt HF current transformer and low-frequency current mutual inductor, and sensor connects detection main frame 100 by concentric cable.For example, the high-frequency wideband signal transducer, the selection frequency range is 40KHz-25MHz, the signal of coupling comprises local discharge signal, interference, ground unrest etc.; The power frequency that the low frequency sensor is selected is 50Hz, the power-frequency voltage signal of coupling cable body, and as triggering collection, and the operating frequency phase at definite local discharge signal place.
Fig. 5 is the second specific embodiment synoptic diagram of detection accessory of the present utility model, and as shown in the figure, described detection accessory comprises reference unit 222, and it is connected to described detection main frame 100 by described second interface 112.Described reference unit 222 comprises calibrating device, can verify the operate as normal of flat scraper type sensor 210 and detection main frame 100.Described calibrating device also can be connected with coupling condenser.
Fig. 6 is the 3rd specific embodiment synoptic diagram of detection accessory of the present utility model, and as shown in the figure, this detection accessory is nylon jacket 266, and the main protection usefulness of doing of nylon jacket 266, positive transparent design can the direct control buttons, and the top is opened so that the connection of sensor.Also have adapter 254, described adapter 254 charges by connecting the charging jack 119 that detects main frame 100.
High-frequency current of the present utility model office puts measuring device with electricity and measurement data such as survey record, time, date is kept in the memory module that detects main frame 100, survey record comprises such as partial discharge quantity, discharge spectrogram etc., data result can be recorded into database, generate form, realize historical query by data base administration, realize the trend analysis of partial discharge quantity, in order to insulation degradation is carried out forecast in early stage and assessment.
The utility model can with low noise HV source, HF capacitive coupler and other annexes are formed system, measurement is put in the laboratory office that is used for power equipment: use capacitive character and irritability sensor directly live testing cable accessory office put; Adopt directly connecting band electrical indicator (inline voltage divider) of quarter-phase coupling mechanism, the office of measuring switch cabinet inside puts; Adopt the mode of HF current sensor card ground wire, come the office of testing apparatus to put state.
The above is preferred embodiment of the present utility model only, is not for limiting protection domain of the present utility model.
Claims (10)
1. measuring device with electricity is put in a high-frequency current office, it is characterized in that, comprising:
Detect main frame, described detection main frame comprises the testing circuit of housing and enclosure interior, and housing is provided with the display that waveform is put in demonstration office, the loudspeaker of broadcast office sound reproduction sound, and operation push-button;
Detection accessory, described detection accessory is connected with described detection main frame by being arranged on the interface module that detects on the main frame.
2. measuring device with electricity is put in high-frequency current according to claim 1 office, it is characterized in that described operation push-button comprises: return key, acknowledgement key, on ﹠ off switch, backlight key and volume are adjusted key.
3. measuring device with electricity is put in high-frequency current according to claim 2 office, it is characterized in that described interface module comprises first interface and second interface at least.
4. measuring device with electricity is put in high-frequency current according to claim 3 office, it is characterized in that described detection accessory comprises sensor, and it is connected to described detection main frame by described first interface.
5. measuring device with electricity is put in high-frequency current according to claim 4 office, it is characterized in that described sensor is the grafter sensor.
6. measuring device with electricity is put in high-frequency current according to claim 5 office, it is characterized in that, described grafter sensor has the contact sonde of realizing the shovel shape that fits tightly with determinand.
7. measuring device with electricity is put in high-frequency current according to claim 6 office, it is characterized in that described grafter sensor is connected with the insulation operating grip.
8. measuring device with electricity is put in high-frequency current according to claim 3 office, it is characterized in that described detection accessory comprises reference unit, and it is connected to described detection main frame by described second interface.
9. measuring device with electricity is put in high-frequency current according to claim 8 office, it is characterized in that described reference unit comprises calibrating device.
10. measuring device with electricity is put in high-frequency current according to claim 9 office, it is characterized in that described calibrating device also is connected with coupling condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124707 CN203217039U (en) | 2013-03-19 | 2013-03-19 | High-frequency current partial-discharge live detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320124707 CN203217039U (en) | 2013-03-19 | 2013-03-19 | High-frequency current partial-discharge live detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217039U true CN203217039U (en) | 2013-09-25 |
Family
ID=49206564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320124707 Expired - Fee Related CN203217039U (en) | 2013-03-19 | 2013-03-19 | High-frequency current partial-discharge live detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122435A (en) * | 2014-06-30 | 2014-10-29 | 许继（厦门）智能电力设备股份有限公司 | High-voltage live detection device |
-
2013
- 2013-03-19 CN CN 201320124707 patent/CN203217039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104122435A (en) * | 2014-06-30 | 2014-10-29 | 许继（厦门）智能电力设备股份有限公司 | High-voltage live detection device |
| CN104122435B (en) * | 2014-06-30 | 2018-09-04 | 许继（厦门）智能电力设备股份有限公司 | A kind of electrification in high voltage detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109342906B (en) | Multifunctional partial discharge detection system and method | |
| DK1154719T3 (en) | Sample connector and cable for a glucose monitor | |
| US11480600B2 (en) | Panel for audible monitoring of electrical components and the detection of electrical faults | |
| CN103913679A (en) | Online monitoring system for partial discharge of high-voltage switch cabinet | |
| CN104655992A (en) | GIS partial discharge detection equipment and method | |
| CN210346899U (en) | Mechanical vibration abnormal state detection device for gas insulated metal enclosed switchgear | |
| CN204666773U (en) | A kind of Portable PD On-Line superfrequency and ultrasonic signal pick-up unit | |
| CN106841810A (en) | Insulator detector | |
| CN203217039U (en) | High-frequency current partial-discharge live detector | |
| CN202075374U (en) | Sleeve end shield discharging ultrasonic detection device | |
| CN201600390U (en) | Tap measuring terminal of high voltage electrical apparatus | |
| CN204142781U (en) | A kind of removable wound form metal foil film electrode putting detection for office | |
| CN211478516U (en) | Partial discharge live detector | |
| CN203786165U (en) | Passive near-field test probe | |
| CN209070063U (en) | A kind of GIS equipment partial discharge detection device | |
| CN209342813U (en) | Earth resistance tester | |
| CN203773009U (en) | High-voltage switch cabinet partial discharge on-line monitoring system | |
| CN105258729A (en) | Temperature and humidity detection system for switch cabinet based on single chip microcomputer | |
| CN204389630U (en) | A kind of jamproof Portable partial discharge detector | |
| CN105589022A (en) | Transformer fault auscultation instrument | |
| CN205539163U (en) | Contact current testing device | |
| JP3084207U (en) | Simple leakage current frequency component display | |
| JP2006322873A (en) | Identifying method and system of propagation direction of conductive interference wave | |
| CN220650808U (en) | Quick detection equipment of appearance is put in ultrasonic wave office | |
| CN219349020U (en) | Electronic product conduction harassment measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: MAINTENANCE COMPANY OF GANSU ELECTRIC POWER COMPANY Effective date: 20130913 Owner name: GANSU PROV. ELECTRIC POWER CO. MAINTENANCE COMPANY Free format text: FORMER OWNER: BOYANGKEYI ELECTRIC TECHNOLOGY (BEIJING) CO., LTD. BEIJING GUODIAN DI-ON ELECTRIC EQUIPMENT CO., LTD. Effective date: 20130913 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 730050 LANZHOU, GANSU PROVINCE TO: 100031 DONGCHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130913 Address after: 100031 No. 86 West Chang'an Avenue, Beijing, Dongcheng District Co-patentee after: Gansu Electric Power Corporation Patentee after: State Grid Corporation of China Co-patentee after: Maintainance Company of Gansu Electric Power Corporation Co-patentee after: Boyangkeyi Electric Technology (Beijing) Co., Ltd. Address before: 730050 Gansu Province, Lanzhou city Qilihe District Portland Road No. 358 Co-patentee before: Boyangkeyi Electric Technology (Beijing) Co., Ltd. Patentee before: Maintainance Company of Gansu Electric Power Corporation Co-patentee before: Beijing Guodian Di-on Electric Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20150319 |
|
| EXPY | Termination of patent right or utility model |