CN106405345A - Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof - Google Patents
Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof Download PDFInfo
- Publication number
- CN106405345A CN106405345A CN201610712298.8A CN201610712298A CN106405345A CN 106405345 A CN106405345 A CN 106405345A CN 201610712298 A CN201610712298 A CN 201610712298A CN 106405345 A CN106405345 A CN 106405345A
- Authority
- CN
- China
- Prior art keywords
- partial discharge
- detection
- detection module
- module
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1209—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using acoustic measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Radiation Pyrometers (AREA)
Abstract
The invention discloses a hand-held multi-functional hot-line detection apparatus and an integrated detection diagnosis method thereof. The apparatus comprises an ultrahigh-frequency partial discharge detection module and the like. All detection modules including the ultrahigh-frequency partial discharge detection module consist of corresponding sensors and detection processing units respectively. An infrared thermal imaging detection module includes an optical lens and a processing unit; and an MCU data processing and displaying module carries out analysis processing on data of all detection modules. In addition, the diagnosis method includes: partial discharge hot-line detection is carried out on all detection points of power equipment; infrared thermal imaging hot-line detection is carried out; and then corresponding partial discharge atlases or data of the detection points are displayed automatically based on infrared thermal imaging, so that a testing worker can carry out an integrated diagnosis rapidly. According to the invention, the apparatus with a compact structure can be carried conveniently and have various partial discharge detection functions and infrared thermal-imaging detection functions. Therefore, the hot-line inspection requirement of power equipment can be met; and the integrated detection and fault diagnosis can be carried out on the power equipment.
Description
Technical field
The present invention relates to a kind of hand-held type multifunctional measuring device with electricity and its comprehensive detection diagnostic method, belong to electric power and set
Standby live detection technical field, is quick and precisely to carry out power equipment shelf depreciation and infrared detection under a kind of environment at the scene
Inspection device and error comprehensive diagnosis method.
Background technology
Domestic electrical appliances have carried out the repair based on condition of component work with live detection as important technical, achieve well
Effect, the timely defect elimination of effective discovering device defect, it is to avoid the generation of the pernicious fault of power equipment.But current charged electric power apparatus inspection
Survey hand-held device single function, and Cleaning Principle is based on single-sensor, such as using single spy more than existing partial discharge detection instrument
High-frequency detection principle, switch cubicle more adopt ground voltage Cleaning Principle, cable more adopt high frequency electric Cleaning Principle, infrared measurement of temperature one
As need individually to be equipped with a thermal infrared imager, the live detection equipment that patrol officer needs to carry multiple different manufacturers could be complete
Become the live detection work at scene, detection efficiency is lower.And charged electric power apparatus detection means is in high-frequency signal at present
Have in detection that accuracy of detection is not high, the ability of anti-noise and in terfer-ence weak it is impossible to the problems such as effective exclusive PCR identification defect.
Numerous additionally, due to the power equipment number of species needing live detection, the characteristic quantity under equipment deficiency state includes
The polytypes such as sound, light, electricity, magnetic, heat, lack the method for comprehensive detection to power equipment multimode parameter, live detection at present
The accuracy of equipment also needs to be improved further, and the effect of live detection and efficiency have to be hoisted.
It is domestic most widely used at present two kinds of live detection projects that infrared drawn game is put, but but do not have infrared measurement of temperature and
Partial discharge detection is integrated into the testing equipment of one, and this brings inconvenience to inspection of power transmission line work.
Content of the invention
The purpose of the present invention is exactly to solve the above problems, provide a kind of hand-held type multifunctional measuring device with electricity and its
Comprehensive detection diagnostic method, its compact conformation, it is convenient for carrying, there is multiple partial discharge detection functions and infrared thermal imaging detection work(
Can, disclosure satisfy that charged electric power apparatus patrol and examine requirement, electric power apparatus integrated detection and fault diagnosis can be carried out.
To achieve these goals, the present invention adopts the following technical scheme that:
The present invention provides a kind of hand-held type multifunctional measuring device with electricity, including superfrequency partial discharge detection module, high frequency office
Put detection module, MCU data processing and display module, infrared heat image checking module, ultrasonic local detection module, transient state ground
Voltage partial discharge detection module, superfrequency partial discharge detection module is connected with MCU data processing and display module, high frequency partial discharge detection mould
Block is connected with MCU data processing and display module, and infrared heat image checking module is connected with MCU data processing and display module
Connect, ultrasonic local detection module is connected with MCU data processing and display module, transient earth voltage partial discharge detection module and MCU number
Connect according to process and display module;
Superfrequency partial discharge detection module comprises first sensor, the first detection process unit, first sensor and the first inspection
Survey processing unit to connect;
High frequency partial discharge detection module comprises second sensor, the second detection process unit, second sensor and the second detection
Processing unit connects;
Ultrasound partial discharge detection module comprises 3rd sensor, the 3rd detection process unit, 3rd sensor and the 3rd detection
Processing unit connects;
Transient earth voltage partial discharge detection module comprises the 4th sensor, the 4th detection process unit, the 4th sensor and
Four detection process units connect;
Infrared thermal imaging detection module includes optical lens, processing unit, and optical lens is connected with processing unit, each inspection
Survey module to be responsible for gathering power equipment running state information, and be acquired the digitized processing of information.
Preferably, described MCU data processing and display module are analyzed to the data of each detection module processing, result
Shown with collection of illustrative plates, parameter, image format.
Preferably, described superfrequency partial discharge detection module, high frequency partial discharge detection module and described MCU data processing and display
It is wirelessly transmission data between module, and described superfrequency partial discharge detection module and described high frequency partial discharge detection module
Quantity be at most three;
Described ultrasound partial discharge detection module, transient earth voltage partial discharge detection module, infrared thermal imaging detection module and MCU number
Collectively form hand-held inspection terminal according to process and display module.
Preferably, described high frequency partial discharge detection module adopts 100,000,000 sampling rate chips, gathers high-frequency signal original waveform,
On this basis Partial discharge signal characteristic quantity is extracted using normalization ST FT-WVD time-domain and frequency-domain analysis method, using normalization
STFT-WVD time-domain and frequency-domain analysis method extracts Partial discharge signal characteristic quantity, effectively realizes exclusive PCR and source is put in identification office.
Preferably, described infrared thermal imaging detection module includes infrared light camera lens and this two camera lenses of visible light lens, and
Two camera lenses are respectively positioned on same position, by processing unit, two visual fields are carried out with calibration and ensure that visual field is identical, infrared light camera lens produces
The visible images of raw infrared image and visible light lens generation are simultaneously displayed on display screen, and select to tile, simply
Superposition or heat condition are superimposed three kinds of display modes.
Wherein, tiling is infrared image and visible images respectively account for half area and are paved with whole display screen, and two images are equal
Show the tested equipment of same visual field;Simple superposition refers to be superimposed the adjustable infrared image of length and width on visible images, and
The infrared image covering visible light image of superposition, both keep identical resolution ratio, final visible images and infrared image group
Become the tested equipment drawing picture that a width is complete;Heat superposition refer to only on visible images Overlapping display exceed threshold temperature that
The infrared image dividing, and the infrared image covering visible light image being superimposed, both keep identical resolution ratio, final visible ray figure
Picture and infrared image form the complete tested equipment drawing picture of a width.
Preferably, described ultrasound partial discharge detection module includes contact and two kinds of sonacs of noncontact, and carries
Audio sound-recording and playing function after ultrasonic primary signal record ripple, conversion.
The present invention also provides a kind of comprehensive detection diagnostic method using above-mentioned hand-held type multifunctional measuring device with electricity, its
Comprise the following steps:
Step one, partial discharge electrification detection is carried out to each measuring point of power equipment;
Step 2, carry out infrared thermal imaging live detection it is seen that sensor is put in the office that light camera lens can catch measuring point automatically;
Can automatically show on step 3, infrared image that collection of illustrative plates or data are put in the corresponding office of measuring point, tester is put according to office
Collection of illustrative plates or data carry out fast and effectively comprehensive diagnos.
Compared with prior art, its advantage is the present invention:Using multiple sensors and infrared detection means, can be applied to
The status of electric power live detection of dissimilar, different electric pressures, can tentatively judge the serious journey of defect of power equipment
Degree, provides reliable basis, apparatus of the present invention compact conformation for detecting further and overhauling, is convenient for carrying, cost-effective spending, protect
Card power equipment safety runs.
Brief description
Fig. 1 is the structural representation of the hand-held type multifunctional measuring device with electricity of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Shown in Fig. 1, a kind of hand hand-held type multifunctional measuring device with electricity provided by the present invention includes superfrequency office and puts inspection
Survey module 1, high frequency partial discharge detection module 2, MCU data processing and display module 3, infrared heat image checking module 4, ultrasonic office
Portion's detection module 5, transient earth voltage partial discharge detection module 6, superfrequency partial discharge detection module 1 and MCU data processing and display mould
Block 3 connects, and high frequency partial discharge detection module 2 is connected with MCU data processing and display module 3, infrared heat image checking module 4 with
MCU data processing and display module 3 connect, and ultrasonic local detection module 5 is connected with MCU data processing and display module 3, transient state
Ground voltage partial discharge detection module 6 is connected with MCU data processing and display module 3;
Superfrequency partial discharge detection module 1 comprises first sensor, the first detection process unit, first sensor and the first inspection
Survey processing unit to connect;
High frequency partial discharge detection module 2 comprises second sensor, the second detection process unit, second sensor and the second detection
Processing unit connects;
Ultrasound partial discharge detection module 5 comprises 3rd sensor, the 3rd detection process unit, 3rd sensor and the 3rd detection
Processing unit connects;
Transient earth voltage partial discharge detection module 6 comprises the 4th sensor, the 4th detection process unit, the 4th sensor and
Four detection process units connect;
Infrared thermal imaging detection module 4 includes optical lens, processing unit, and optical lens is connected with processing unit, each
Detection module is responsible for gathering power equipment running state information, and is acquired the digitized processing of information;
MCU data processing and display module 3 carry out data transmit-receive management and to each detection module to each detection module
Data be analyzed processing, result shows in the form of collection of illustrative plates, parameter, image.
It is logical between superfrequency partial discharge detection module 1, high frequency partial discharge detection module 2 and MCU data processing and display module 3
Cross wireless way for transmitting data, the quantity of extra-high partial discharge detection module 1 and high frequency partial discharge detection module 2 is at most three,
Hold the application demand that live main equipment multichannel is sampled simultaneously;
Ultrasound partial discharge detection module 5, transient earth voltage partial discharge detection module 6, infrared thermal imaging detection module 4 and MCU number
Collectively form hand-held inspection terminal according to process and display module 3.
High frequency partial discharge detection module 2 is in order to for having, partial discharge electrification detection product generally existing sampling rate is not high to be led to
Office side's information not comprehensively problem and adopt 100,000,000 sampling rate chips, gather high-frequency signal original waveform, adopt on this basis
Normalization STFT-WVD time-domain and frequency-domain analysis method extracts Partial discharge signal characteristic quantity, effectively realizes exclusive PCR and identification office puts
Source.
Infrared thermal imaging detection module includes infrared light and two camera lenses of visible ray, and two camera lenses are respectively positioned on identical bits
Put, calibration is carried out by processing unit to two visual fields and ensures that visual field is identical, infrared image and visible images are simultaneously displayed on aobvious
In display screen, and tiling, simple superposition or heat condition is selected to be superimposed three kinds of display modes.
Wherein, tiling is infrared image and visible images respectively account for half area and are paved with whole display screen, and two images are equal
Show the tested equipment of same visual field;Simple superposition refers to be superimposed the adjustable infrared image of length and width on visible images, and
The infrared image covering visible light image of superposition, both keep identical resolution ratio, final visible images and infrared image group
Become the tested equipment drawing picture that a width is complete;Heat superposition refer to only on visible images Overlapping display exceed threshold temperature that
The infrared image dividing, and the infrared image covering visible light image being superimposed, both keep identical resolution ratio, final visible ray figure
Picture and infrared image form the complete tested equipment drawing picture of a width.
Ultrasound partial discharge detection module includes contact and two kinds of sonacs of noncontact, meets different electric device maintenance
Need, and carry ultrasonic signal audio sound-recording and playing function, be easy in particular cases multi-expert and combine the consultation of doctors.
The present invention also provides a kind of comprehensive detection diagnostic method using above-mentioned hand-held type multifunctional measuring device with electricity, its
Comprise the following steps:
Step one, partial discharge electrification detection is carried out to each measuring point of power equipment;
Step 2, carry out infrared thermal imaging live detection it is seen that sensor is put in the office that light camera lens can catch measuring point automatically;
Can automatically show on step 3, infrared image that collection of illustrative plates or data are put in the corresponding office of measuring point, tester is put according to office
Collection of illustrative plates or data carry out fast and effectively comprehensive diagnos.
Above to the present invention be embodied as be described.It is to be appreciated that the invention is not limited in above-mentioned spy
Fixed embodiment, those skilled in the art can make various modifications or modification within the scope of the claims, this not shadow
Ring the flesh and blood of the present invention.
Claims (7)
1. a kind of hand hand-held type multifunctional measuring device with electricity is it is characterised in that include superfrequency partial discharge detection module, high frequency office
Put detection module, MCU data processing and display module, infrared heat image checking module, ultrasonic local detection module, transient state ground
Voltage partial discharge detection module, superfrequency partial discharge detection module is connected with MCU data processing and display module, high frequency partial discharge detection mould
Block is connected with MCU data processing and display module, and infrared heat image checking module is connected with MCU data processing and display module
Connect, ultrasonic local detection module is connected with MCU data processing and display module, transient earth voltage partial discharge detection module and MCU number
Connect according to process and display module;
Superfrequency partial discharge detection module comprises first sensor, the first detection process unit, at first sensor and the first detection
Reason unit connects;
High frequency partial discharge detection module comprises second sensor, the second detection process unit, second sensor and the second detection process
Unit connects;
Ultrasound partial discharge detection module comprises 3rd sensor, the 3rd detection process unit, 3rd sensor and the 3rd detection process
Unit connects;
Transient earth voltage partial discharge detection module comprises the 4th sensor, the 4th detection process unit, the 4th sensor and the 4th inspection
Survey processing unit to connect;
Infrared thermal imaging detection module includes optical lens, processing unit, and optical lens is connected with processing unit, and each detects mould
Block is responsible for gathering power equipment running state information, and is acquired the digitized processing of information.
2. hand-held type multifunctional measuring device with electricity according to claim 1 is it is characterised in that described MCU data processing
And each detection module is carried out display module with data transmit-receive management and the data to each detection module is analyzed processing, knot
Fruit is shown in the form of collection of illustrative plates, parameter, image.
3. hand-held type multifunctional measuring device with electricity according to claim 1 is it is characterised in that inspection is put in described superfrequency office
Surveying between module, high frequency partial discharge detection module and described MCU data processing and display module is wirelessly transmission data,
And the quantity of described superfrequency partial discharge detection module and described high frequency partial discharge detection module is at most three;
At described ultrasound partial discharge detection module, transient earth voltage partial discharge detection module, infrared thermal imaging detection module and MCU data
Reason and display module collectively form hand-held inspection terminal.
4. hand-held type multifunctional measuring device with electricity according to claim 1 is it is characterised in that described high frequency partial discharge detection
Module adopts 100,000,000 sampling rate chips, gathers high-frequency signal original waveform, using normalization STFT-WVD time-domain and frequency-domain analysis
Method extracts Partial discharge signal characteristic quantity, realizes exclusive PCR and source is put in identification office.
5. hand-held type multifunctional measuring device with electricity according to claim 1 is it is characterised in that described infrared thermal imaging is examined
Survey module and include infrared light camera lens and visible light lens, and infrared light camera lens and visible light lens are respectively positioned on same position, by
Reason unit carries out calibration and ensures that visual field is identical to two visual fields, and the infrared image that infrared light camera lens produces and visible light lens produce
Visible images be simultaneously displayed on display screen, and select tiling, simple superposition and heat condition to be superimposed three kinds of display modes.
6. hand-held type multifunctional measuring device with electricity according to claim 1 is it is characterised in that described ultrasound partial discharge detects
Module includes contact and two kinds of sonacs of noncontact, and with audio sound-recording after ultrasonic primary signal record ripple, conversion
And playing function.
7. a kind of comprehensive detection diagnostic method using above-mentioned hand-held type multifunctional measuring device with electricity is it is characterised in that hand-held
The comprehensive detection diagnostic method of the multi-functional measuring device with electricity of formula comprises the following steps:
Step one:Partial discharge electrification detection is carried out to each measuring point of power equipment;
Step 2:Carry out infrared thermal imaging live detection it is seen that sensor is put in the office that light camera lens can catch measuring point automatically;
Step 3:Can automatically show on infrared image that collection of illustrative plates or data are put in the corresponding office of measuring point, tester puts collection of illustrative plates according to office
Or data carries out fast and effectively comprehensive diagnos.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610712298.8A CN106405345A (en) | 2016-08-23 | 2016-08-23 | Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610712298.8A CN106405345A (en) | 2016-08-23 | 2016-08-23 | Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106405345A true CN106405345A (en) | 2017-02-15 |
Family
ID=58005009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610712298.8A Pending CN106405345A (en) | 2016-08-23 | 2016-08-23 | Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106405345A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107179484A (en) * | 2017-05-16 | 2017-09-19 | 广东电网有限责任公司佛山供电局 | Hand-held type multifunctional power equipment intelligent detecting instrument based on internet |
CN108226676A (en) * | 2017-12-26 | 2018-06-29 | 伟宸科技(武汉)有限公司 | A kind of wireless power line data-logging system and method |
CN109142990A (en) * | 2018-06-14 | 2019-01-04 | 广州国机智能电力科技有限公司 | A kind of probe of inspecting robot |
CN109374061A (en) * | 2018-11-30 | 2019-02-22 | 国网上海市电力公司 | A kind of switch cabinet electrified detection mobile job-oriented terminal |
CN110456216A (en) * | 2019-07-31 | 2019-11-15 | 广州供电局有限公司 | Distribution detection device and distribution detection system |
CN113589117A (en) * | 2021-08-16 | 2021-11-02 | 国网江苏省电力有限公司泰州供电分公司 | Power equipment defect detection system and detection method |
CN114184898A (en) * | 2021-10-19 | 2022-03-15 | 国网江西省电力有限公司景德镇供电分公司 | Portable multifunctional manual cable inspection device and cable inspection method thereof |
CN114241615A (en) * | 2021-12-10 | 2022-03-25 | 国网浙江省电力有限公司宁波供电公司 | Hand-held multifunctional live-line inspection device |
CN114255522A (en) * | 2021-12-23 | 2022-03-29 | 河南宏博测控技术有限公司 | Multi-functional inspection device convenient to use |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104217413A (en) * | 2014-09-11 | 2014-12-17 | 昆明云锗高新技术有限公司 | Method for superposing infrared light image upon visible light image |
CN104375067A (en) * | 2014-11-18 | 2015-02-25 | 深圳供电局有限公司 | Local discharge detection device and method for looped network switch cabinet |
CN104535902A (en) * | 2014-11-25 | 2015-04-22 | 国家电网公司 | Partial discharge pulse detection system |
CN204883798U (en) * | 2015-08-18 | 2015-12-16 | 国网上海市电力公司 | Detect operation management system with electricity |
CN105589020A (en) * | 2016-01-27 | 2016-05-18 | 深圳供电局有限公司 | Detector and method for power distribution equipment inspection and live detection |
-
2016
- 2016-08-23 CN CN201610712298.8A patent/CN106405345A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104217413A (en) * | 2014-09-11 | 2014-12-17 | 昆明云锗高新技术有限公司 | Method for superposing infrared light image upon visible light image |
CN104375067A (en) * | 2014-11-18 | 2015-02-25 | 深圳供电局有限公司 | Local discharge detection device and method for looped network switch cabinet |
CN104535902A (en) * | 2014-11-25 | 2015-04-22 | 国家电网公司 | Partial discharge pulse detection system |
CN204883798U (en) * | 2015-08-18 | 2015-12-16 | 国网上海市电力公司 | Detect operation management system with electricity |
CN105589020A (en) * | 2016-01-27 | 2016-05-18 | 深圳供电局有限公司 | Detector and method for power distribution equipment inspection and live detection |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107179484A (en) * | 2017-05-16 | 2017-09-19 | 广东电网有限责任公司佛山供电局 | Hand-held type multifunctional power equipment intelligent detecting instrument based on internet |
CN108226676A (en) * | 2017-12-26 | 2018-06-29 | 伟宸科技(武汉)有限公司 | A kind of wireless power line data-logging system and method |
CN109142990A (en) * | 2018-06-14 | 2019-01-04 | 广州国机智能电力科技有限公司 | A kind of probe of inspecting robot |
CN109374061A (en) * | 2018-11-30 | 2019-02-22 | 国网上海市电力公司 | A kind of switch cabinet electrified detection mobile job-oriented terminal |
CN110456216A (en) * | 2019-07-31 | 2019-11-15 | 广州供电局有限公司 | Distribution detection device and distribution detection system |
CN113589117A (en) * | 2021-08-16 | 2021-11-02 | 国网江苏省电力有限公司泰州供电分公司 | Power equipment defect detection system and detection method |
CN113589117B (en) * | 2021-08-16 | 2024-05-07 | 国网江苏省电力有限公司泰州供电分公司 | Power equipment defect detection system and detection method |
CN114184898A (en) * | 2021-10-19 | 2022-03-15 | 国网江西省电力有限公司景德镇供电分公司 | Portable multifunctional manual cable inspection device and cable inspection method thereof |
CN114241615A (en) * | 2021-12-10 | 2022-03-25 | 国网浙江省电力有限公司宁波供电公司 | Hand-held multifunctional live-line inspection device |
CN114241615B (en) * | 2021-12-10 | 2023-11-21 | 国网浙江省电力有限公司宁波供电公司 | Hand-held multifunctional live inspection device |
CN114255522A (en) * | 2021-12-23 | 2022-03-29 | 河南宏博测控技术有限公司 | Multi-functional inspection device convenient to use |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106405345A (en) | Hand-held multi-functional hot-line detection apparatus and integrated detection diagnosis method thereof | |
CN103954890B (en) | DC partial discharge detection device and method for converter transformer | |
CN106249114A (en) | Multifunctional belt electric detection means based on WIFI transmission and method | |
CN106574946A (en) | Triggered operation and/or recording of test and measurement or imaging tools | |
CN105301464A (en) | Movable type ultrahigh frequency partial discharge on-line monitoring system | |
CN105223599B (en) | A kind of online self diagnosis monitoring device of X-ray flat panel detector | |
CN206057487U (en) | Multi-functional measuring device with electricity | |
KR20130099507A (en) | Apparatus and program for diagonosis of power facility | |
CN102288882A (en) | Partial discharge monitoring system and method for multichannel electrical equipment | |
CN109490723A (en) | A kind of ultrasonic wave visible detection method and ultrasonic wave Visual retrieval instrument | |
CN101968524A (en) | Division test method and tester for multi-point grounding of common loop | |
CN105334440A (en) | Partial discharge detecting system and method | |
CN109307817A (en) | A kind of cable electrification identifier and recognition methods | |
CN206321726U (en) | A kind of reliability of electronic components test system with display function | |
CN106841946A (en) | A kind of combined local discharge of electrical equipment live detection equipment | |
CN204192578U (en) | Human life cell health detection signal acquisition process stores one earphone | |
CN209198566U (en) | A kind of cable electrification identifier | |
CN104391209A (en) | Device for measuring line status | |
CN206161779U (en) | Multi -functional measuring device with electricity based on WIFI transmission | |
CN209086379U (en) | A kind of ultrasonic wave Visual retrieval instrument | |
CN213957535U (en) | Four-channel multifunctional partial discharge diagnosis and positioning device | |
CN104062571B (en) | A kind of Partial Discharge in Power Transformer signal window display method | |
CN106526303B (en) | A kind of the C-V characteristic test device and method of solid decoupling device | |
CN104391203B (en) | Electrical equipment test monitoring device and electrical equipment test monitoring method | |
CN206531919U (en) | A kind of combined local discharge of electrical equipment live detection equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |