CN106324431A - High-voltage cable non-contact electric leakage detection device - Google Patents
High-voltage cable non-contact electric leakage detection device Download PDFInfo
- Publication number
- CN106324431A CN106324431A CN201610716851.5A CN201610716851A CN106324431A CN 106324431 A CN106324431 A CN 106324431A CN 201610716851 A CN201610716851 A CN 201610716851A CN 106324431 A CN106324431 A CN 106324431A
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- Prior art keywords
- processor
- input
- outfan
- pretreatment
- high tension
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Classifications
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a high-voltage cable non-contact electric leakage detection device, which comprises a base. The front surface of the base is provided with a touch display device; the base is internally provided with an information processing assembly; the upper surface of the base is movably equipped with a hexagonal expansion frame through support rods; the hexagonal expansion frame is equipped with three signal preprocessing devices through movable intermediates respectively; the upper surface of each signal preprocessing device is fixedly provided with a dish cover; each dish cover is provided with a reception device; and the reception device is electrically connected with the corresponding signal preprocessing device. Through cooperative use of the touch display device, the information processing assembly, the signal preprocessing devices and the reception devices, electric leakage phenomenon can be detected through a mutual inductance mode, and an alarm is given; and quick and accurate stereo-positioning is carried out on the electric leakage, thereby preventing the danger due to near-distance contact detection and maintenance of technical workers in the prior art.
Description
Technical field
The present invention relates to forceful electric power detection technique field, be specially a kind of contactless earth detector of high tension cable.
Background technology
High tension cable is the one of power cable, refers to for transmitting the electric power between 10KV-35KV (1KV=1000V)
Cable, is applied to the major trunk roads of electric power transmission more.High tension cable occurs the phenomenon of electric leakage to happen occasionally, especially near-earth high-tension electricity
The electric leakage of cable directly jeopardizes the life security of the people.And when skilled industrial worker overhauls, the most first to carry out closely
Contact inspection, the most not only waste plenty of time and muscle power, also add the danger of technical staff, to this end, we carry
Go out a kind of contactless earth detector of high tension cable.
Summary of the invention
It is an object of the invention to provide a kind of contactless earth detector of high tension cable, to solve above-mentioned background skill
The problem proposed in art.
For achieving the above object, the present invention provides following technical scheme: a kind of contactless detection of electrical leakage of high tension cable fills
Putting, including base, the front surface of described base is provided with touch control display apparatus, and the inside of described base is provided with information processing component,
The upper surface of described base is movably installed with six limit expansion brackets by support bar, and described six limit expansion brackets include six expansion links,
And six expansion links are sequentially connected with, described six limit expansion brackets are provided with three signal conditioners by movable intermediate,
The upper surface of described pretreatment unit is installed with dish cover, is provided with reception device in described dish cover, and receive device with
Signal conditioner electrically connects；
Described expansion link includes being responsible for shell, sliding part, block, connecting hole, T-shaped air flue and pressure valve, described supervisor's shell
Two ends are plugged with sliding part, and described sliding part extends to be responsible for one end sidewall of the inner chamber of shell and is provided with block, described sliding part
The other end is provided with connecting hole, and the inside of described sliding part is provided with for connecting supervisor's shell inner chamber and the T-shaped air flue of air, and T-shaped
The top and bottom of air flue are mounted on pressure valve；
Described information processing component includes that processor, extensible processor, alarm, GPU and bus, described processor include
Controller, arithmetical unit and memorizer, and controller, arithmetical unit and memorizer be bi-directionally connected between any two, described controller also divides
Not being bi-directionally connected with extensible processor and GPU, the outfan of described controller is connected with the input of alarm, described GPU with
Bus connects, and described touch control display apparatus includes touch modules, Liquid Crystal Module and LED module, the outfan of described touch modules
Electrically connecting with bus, the input of described Liquid Crystal Module electrically connects with bus, and the input of described LED module is electrically connected with bus
Connect；
Described signal conditioner include low pass filter, gain amplifier, level regulator, D/A converter and by
Pretreatment controller and pretreatment are bi-directionally connected the pretreatment processor of composition arithmetical unit, the outfan of described low pass filter with
The input of gain amplifier connects, and the outfan of described gain amplifier is connected with the input of level regulator, described electricity
The outfan of flat regulator is connected with the input of D/A converter, the outfan of described D/A converter and pretreatment processor
Input connects, and described pretreatment processor is bi-directionally connected with the processor of information processing component, and described reception device includes electricity
Pressure transformer summation current transformer, and voltage transformer summation current transformer is by the input electricity of electric conductor with low pass filter
Connect.
Preferably, described movable intermediate includes fixing roller, cell body, elastic component, spherical dead bolt and rotates roller, described fixing
The sidewall of roller is provided with cell body, is installed with elastic component in described cell body, and the upper end of described elastic component is provided with spherical dead bolt, institute
The lateral wall stating fixing roller is socketed with rotation roller.
Preferably, the medial wall of described fixing roller is closely fitted with rubber antiskid set.
Preferably, the sidewall of described fixing roller is uniformly provided with at least six cell body, and elastic component and the number of spherical dead bolt
Measure identical with the quantity of cell body.
Preferably, described movable intermediate includes connecting post, stationary half, hasp, support seat, cavity and roller ball, institute
The one end stating connection post is hinged with the stationary half that two couplings use, and the lower end of stationary half is connected by hasp, described
The upper end connecting post is interspersed between the cavity of support seat, and sidewall and the cavity inner wall of connection post and is evenly distributed with at least eight
Roller ball.
Preferably, it is flexibly connected by retainer ring between described roller ball.
Preferably, described touch control display apparatus is 45 degree to 75 degree with the angular range of horizontal plane.
Compared with prior art, the invention has the beneficial effects as follows: the present invention passes through touch control display apparatus, information processing group
Part, signal conditioner and reception device with the use of, can check that by the way of mutual inductance leaky sends alarm,
And it is carried out stereoscopic localized fast and accurately, it is to avoid conventional art workman carries out the danger of in-plant contact maintenance,
Losing time and the problem of muscle power when simultaneously it also avoid artificial maintenance, six limit expansion brackets and movable intermediate can be adjusted simultaneously
The relative position relation of joint signal conditioner and angle so that it is more accurate during location.
Summary of the invention
Fig. 1 is the plan structure schematic diagram of the present invention；
Fig. 2 is the structural representation in the A-A ' cross section of the present invention；
Fig. 3 is the structural representation of the expansion link of the present invention；
Fig. 4 is the first embodiment structural representation of the movable intermediate of the present invention；
Fig. 5 is the second example structure schematic diagram of the movable intermediate of the present invention；
Fig. 6 is the structured flowchart of the present invention.
In figure: 1 base, 2 touch control display apparatus, 3 support bars, 4 six limit expansion brackets, 41 expansion links, 411 supervisor's shells, 412 cunnings
Moving part, 413 blocks, 414 connecting holes, 415T shape air flue, 416 pressure valve, 5 movable intermediate, 511 fix roller, 512 cell bodies, 513
Elastic component, 514 spherical dead bolts, 515 rotate rollers, 521 connect posts, 522 stationary half, 523 hasps, 524 support seats, 525 cavitys,
526 roller balls, 527 retainer ring, 6 signal conditioners, 7 dish covers and 8 receive device.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited to
This.
Fig. 1-Fig. 4 and Fig. 6, this patent offer first embodiment: a kind of contactless detection of electrical leakage of high tension cable are provided
Device, including base 1, the front surface of described base 1 is provided with touch control display apparatus 2, and the folder of touch control display apparatus 2 and horizontal plane
Angle range is 60 degree, facilitates skilled industrial worker to operate it, and the inside of described base 1 is provided with information processing component, described base
The upper surface of 1 is movably installed with six limit expansion brackets 4 by support bar 3, and described six limit expansion brackets 4 include six expansion links 41, and
Six expansion links 41 are sequentially connected with, the most manually launch six limit expansion brackets 4 increase between signal conditioner 6 away from
From, make the present invention that the scope of detection to be enlarged, also make the present invention the most accurate for the position judgment of leak source simultaneously, described
Being provided with three signal conditioners 6 by movable intermediate 5 on six limit expansion brackets 4, described movable intermediate 5 includes fixing
Roller 511, cell body 512, elastic component 513, spherical dead bolt 514, rotation roller 515 and rubber antiskid set 516, described fixing roller 511
It is uniformly provided with six cell bodies 512 on sidewall, and in each cell body 512, is all installed with elastic component 513, described elastic component 513
Upper end spherical dead bolt 514 is installed, the lateral wall of described fixing roller 511 be socketed with rotation roller 515, during regulation rotate rotate roller
515, when stopping to suitable position, utilize elastic component 513 and the outside power of spherical dead bolt 514 to be fixed, described solid
It is closely fitted with rubber antiskid set 516 on the medial wall of fixed roll 511, prevents fixing roller 511 when rotating and also rotate, pass through
Movable intermediate 5 regulates the elevation angle size of signal conditioner 6 easily, is beneficial to preferably judge electric leakage position, described pre-
The upper surface of processing means 6 is installed with dish cover 7, is so conducive to catching more weak signal, described dish cover 7
In be provided with reception device 8, and receive device 8 electrically connect with signal conditioner 6；
Described expansion link 41 includes being responsible for shell 411, sliding part 412, block 413, connecting hole 414, T-shaped air flue 415 and pressure
Power valve 416, the two ends of described supervisor's shell 411 are plugged with sliding part 412, and described sliding part 412 extends to be responsible for the inner chamber of shell 411
One end sidewall be provided with block 413, the other end of described sliding part 412 is provided with connecting hole 414, the inside of described sliding part 412
It is provided with for connecting supervisor's shell 411 inner chamber and the T-shaped air flue 415 of air, and the top and bottom of T-shaped air flue 415 are mounted on
Pressure valve 416, expansion link 41 is to realize the six distensible bases of limit expansion bracket 4, can make pressure valve 416 by externally applied forces
Open, carry out the work of intake and exhaust, also ensure that six limit expansion brackets 4 will not open automatically simultaneously, effectively prevent Signal Pretreatment
There is the phenomenon that unexpected scratching damages in device 6；
Described information processing component includes that processor, extensible processor, alarm, GPU and bus, described processor include
Controller, arithmetical unit and memorizer, and controller, arithmetical unit and memorizer be bi-directionally connected between any two, described controller also divides
Not being bi-directionally connected with extensible processor and GPU, the outfan of described controller is connected with the input of alarm, described GPU with
Bus connects, and described touch control display apparatus includes touch modules, Liquid Crystal Module and LED module, the outfan of described touch modules
Electrically connecting with bus, the input of described Liquid Crystal Module electrically connects with bus, and the input of described LED module is electrically connected with bus
Connect；
Described signal conditioner 6 include low pass filter, gain amplifier, level regulator, D/A converter and by
Pretreatment controller and pretreatment are bi-directionally connected the pretreatment processor of composition arithmetical unit, the outfan of described low pass filter with
The input of gain amplifier connects, and the outfan of described gain amplifier is connected with the input of level regulator, described electricity
The outfan of flat regulator is connected with the input of D/A converter, the outfan of described D/A converter and pretreatment processor
Input connects, and described pretreatment processor is bi-directionally connected with the processor of information processing component, and described reception device 8 includes electricity
Pressure transformer summation current transformer, and voltage transformer summation current transformer is by the input electricity of electric conductor with low pass filter
Connecting, its effective information can be separated when obtaining signal, facilitate information processing component by such design accurately
Process further.
Referring to Fig. 1-Fig. 3, Fig. 5 and Fig. 6, this patent provides the second embodiment: a kind of contactless electric leakage of high tension cable
Detection device, including base 1, the front surface of described base 1 is provided with touch control display apparatus 2, described touch control display apparatus 2 and level
The angular range in face is 45 degree to 75 degree, and the inside of described base 1 is provided with information processing component, described base 1
Upper surface is movably installed with six limit expansion brackets 4 by support bar 3, and described six limit expansion brackets 4 include six expansion links 41, and six
Expansion link 41 is sequentially connected with, and described six limit expansion brackets 4 are provided with three signal conditioners 6, institute by movable intermediate 5
State movable intermediate 5 to include connecting post 521, stationary half 522, hasp 523, supporting seat 524, cavity 525 and roller ball 526,
One end of described connection post 521 is hinged with the stationary half 522 that two couplings use, and the lower end of stationary half 522 is by taking
Button 523 connection, so can be fixed and be installed on six limit expansion brackets 4, and the upper end of described connection post 521 is interspersed in support seat
It is evenly distributed with at least eight roller ball 526 between the cavity 525 of 524, and sidewall and cavity 525 inwall of connection post 521, and
It is flexibly connected by retainer ring 527 between roller ball 526, so can complete pretreatment unit 6 by stirring support seat 524
Angular adjustment, regulate the elevation angle size of signal conditioner 6 by movable intermediate 5 easily, is beneficial to preferably judgement
Electric leakage position, the upper surface of described pretreatment unit 6 is installed with dish cover 7, is so conducive to carrying out more weak signal
Catching, the upper surface of described pretreatment unit 6 is installed with dish cover 7, is provided with reception device 8, and connects in described dish cover 7
Receiving apparatus 8 electrically connects with signal conditioner 6；
Described expansion link 41 includes being responsible for shell 411, sliding part 412, block 413, connecting hole 414, T-shaped air flue 415 and pressure
Power valve 416, the two ends of described supervisor's shell 411 are plugged with sliding part 412, and described sliding part 412 extends to be responsible for the inner chamber of shell 411
One end sidewall be provided with block 413, the other end of described sliding part 412 is provided with connecting hole 414, the inside of described sliding part 412
It is provided with for connecting supervisor's shell 411 inner chamber and the T-shaped air flue 415 of air, and the top and bottom of T-shaped air flue 415 are mounted on
Pressure valve 416, expansion link 41 is to realize the six distensible bases of limit expansion bracket 4, can make pressure valve 416 by externally applied forces
Open, carry out the work of intake and exhaust, also ensure that six limit expansion brackets 4 will not open automatically simultaneously, effectively prevent Signal Pretreatment
There is the phenomenon that unexpected scratching damages in device 6；
Described information processing component includes that processor, extensible processor, alarm, GPU and bus, described processor include
Controller, arithmetical unit and memorizer, and controller, arithmetical unit and memorizer be bi-directionally connected between any two, described controller also divides
Not being bi-directionally connected with extensible processor and GPU, the outfan of described controller is connected with the input of alarm, described GPU with
Bus connects, and described touch control display apparatus includes touch modules, Liquid Crystal Module and LED module, the outfan of described touch modules
Electrically connecting with bus, the input of described Liquid Crystal Module electrically connects with bus, and the input of described LED module is electrically connected with bus
Connect；
Described signal conditioner 6 include low pass filter, gain amplifier, level regulator, D/A converter and by
Pretreatment controller and pretreatment are bi-directionally connected the pretreatment processor of composition arithmetical unit, the outfan of described low pass filter with
The input of gain amplifier connects, and the outfan of described gain amplifier is connected with the input of level regulator, described electricity
The outfan of flat regulator is connected with the input of D/A converter, the outfan of described D/A converter and pretreatment processor
Input connects, and described pretreatment processor is bi-directionally connected with the processor of information processing component, and described reception device 8 includes electricity
Pressure transformer summation current transformer, and voltage transformer summation current transformer is by the input of electric conductor with low pass filter
Electrical connection, its effective information can be separated when obtaining signal, facilitate information processing group by such design accurately
Part processes further.
Operation principle: receive small-signal when high tension cable leaks electricity by receiving device 8, and it is pre-to pass it to signal
Processing means 6 carries out pretreatment, mainly includes the filtering to signal, gain amplification, the conversion of signal kinds, and passes it to
Information processing component, if signal is abnormal during process, enables divergence process device, and carries out stereo-picture generation, touch-control by GPU
Display device 2 carries out showing leak source, and alarm sends alarm.
Receive device 8 by the way of mutual inductance, check high tension cable, it is to avoid conventional art workman carries out in-plant connecing
Touch property maintenance danger, by touch control display apparatus 2, information processing component and signal conditioner 6 process with the use of, side
Just skilled industrial worker completes that at place of the present invention high tension cable leakage point of electricity carries out stereoscopic localized fast and accurately and avoids artificial maintenance
Time lose time and muscle power problem, only six limit expansion brackets 4 need to be launched, in the middle of regulation activity simultaneously when detecting on a large scale
Body 5, also allows for the present invention simultaneously and positions leak source accurately.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. the contactless earth detector of high tension cable, it is characterised in that: include base (1), before described base (1)
Surface is provided with touch control display apparatus (2), and the inside of described base (1) is provided with information processing component, the upper surface of described base (1)
Being movably installed with six limit expansion brackets (4) by support bar (3), described six limit expansion brackets (4) include six expansion links (41), and six
Individual expansion link (41) is sequentially connected with, and described six limit expansion brackets (4) are provided with three Signal Pretreatment by movable intermediate (5)
Device (6), the upper surface of described pretreatment unit (6) is installed with dish cover (7), is provided with reception in described dish cover (7)
Device (8), and receive device (8) electrically connect with signal conditioner (6)；
Described expansion link (41) includes being responsible for shell (411), sliding part (412), block (413), connecting hole (414), T-shaped air flue
And pressure valve (416) (415), the two ends of described supervisor's shell (411) are plugged with sliding part (412), and described sliding part (412) extends
One end sidewall to the inner chamber being responsible for shell (411) is provided with block (413), and the other end of described sliding part (412) is provided with connecting hole
(414), the inside of described sliding part (412) is provided with for connecting supervisor's shell (411) inner chamber and the T-shaped air flue (415) of air, and
The top and bottom of T-shaped air flue (415) are mounted on pressure valve (416)；
Described information processing component includes that processor, extensible processor, alarm, GPU and bus, described processor include controlling
Device, arithmetical unit and memorizer, and controller, arithmetical unit and memorizer be bi-directionally connected between any two, described controller the most respectively with
Extensible processor and GPU are bi-directionally connected, and the outfan of described controller is connected with the input of alarm, described GPU and bus
Connecting, described touch control display apparatus (2) includes touch modules, Liquid Crystal Module and LED module, the outfan of described touch modules with
Bus electrically connects, and the input of described Liquid Crystal Module electrically connects with bus, and the input of described LED module electrically connects with bus；
Described signal conditioner (6) includes low pass filter, gain amplifier, level regulator, D/A converter and by advance
Processing controller and pretreatment are bi-directionally connected the pretreatment processor of composition, the outfan of described low pass filter and increasing arithmetical unit
The input of benefit amplifier connects, and the outfan of described gain amplifier is connected with the input of level regulator, described level
The outfan of actuator is connected with the input of D/A converter, and the outfan of described D/A converter is defeated with pretreatment processor
Entering end to connect, described pretreatment processor is bi-directionally connected with the processor of information processing component, and described reception device (8) includes electricity
Pressure transformer summation current transformer, and voltage transformer summation current transformer is by the input electricity of electric conductor with low pass filter
Connect.
A kind of contactless earth detector of high tension cable the most according to claim 1, it is characterised in that: described activity
Intermediate (5) includes fixing roller (511), cell body (512), elastic component (513), spherical dead bolt (514) and rotates roller (515), institute
The sidewall stating fixing roller (511) is provided with cell body (512), is installed with elastic component (513), described bullet in described cell body (512)
Property part (513) upper end spherical dead bolt (514) is installed, the lateral wall of described fixing roller (511) be socketed with rotation roller (515).
A kind of contactless earth detector of high tension cable the most according to claim 2, it is characterised in that: described fixing
Rubber antiskid set (516) it is closely fitted with on the medial wall of roller (511).
A kind of contactless earth detector of high tension cable the most according to claim 2, it is characterised in that: described fixing
Be uniformly provided with at least six cell body (512) on the sidewall of roller (511), and the quantity of elastic component (513) and spherical dead bolt (514) with
The quantity of cell body (512) is identical.
A kind of contactless earth detector of high tension cable the most according to claim 1, it is characterised in that: described activity
Intermediate (5) includes connecting post (521), stationary half (522), hasp (523), supporting seat (524), cavity (525) and roll
Ball (526), one end of described connection post (521) is hinged with the stationary half (522) that two couplings use, and stationary half
(522) lower end is connected by hasp (523), and the upper end of described connection post (521) is interspersed in the cavity supporting seat (524)
(525), and it is evenly distributed with at least eight roller ball (526) between sidewall and cavity (525) inwall of connection post (521).
A kind of contactless earth detector of high tension cable the most according to claim 5, it is characterised in that: described rolling
It is flexibly connected by retainer ring (527) between ball (526).
A kind of contactless earth detector of high tension cable the most according to claim 1, it is characterised in that: described touch-control
Display device (2) is 45 degree to 75 degree with the angular range of horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716851.5A CN106324431B (en) | 2016-08-24 | 2016-08-24 | High tension cable non-contact electric leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610716851.5A CN106324431B (en) | 2016-08-24 | 2016-08-24 | High tension cable non-contact electric leakage detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106324431A true CN106324431A (en) | 2017-01-11 |
| CN106324431B CN106324431B (en) | 2023-04-14 |
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ID=57790383
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610716851.5A Active CN106324431B (en) | 2016-08-24 | 2016-08-24 | High tension cable non-contact electric leakage detection device |
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| CN (1) | CN106324431B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018035753A1 (en) * | 2016-08-24 | 2018-03-01 | 张甘霖 | Non-contact electric leakage detection device for high-voltage cable |
| CN110095645A (en) * | 2019-04-26 | 2019-08-06 | 广西电网有限责任公司电力科学研究院 | A kind of contactless electrical quantity measurement arrangement |
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| JP3110313U (en) * | 2005-02-10 | 2005-06-16 | 義範 佐藤 | Leakage alarm system with integrated high voltage cable leakage detection function and integrated alarm system |
| CN203630262U (en) * | 2013-12-06 | 2014-06-04 | 国网山东夏津县供电公司 | Non-contact electric leakage detector |
| WO2015141241A1 (en) * | 2014-03-19 | 2015-09-24 | 株式会社小松製作所 | Electric leakage detection device for in-vehicle power supply system, and hydraulic shovel |
| CN105182171A (en) * | 2015-10-29 | 2015-12-23 | 国网山东高唐县供电公司 | Current leakage detection and alarming device for electric pole |
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- 2016-08-24 CN CN201610716851.5A patent/CN106324431B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2463112A1 (en) * | 2001-10-24 | 2003-05-01 | Shell Canada Limited | In situ thermal processing of a hydrocarbon containing formation via backproducing through a heater well |
| JP3110313U (en) * | 2005-02-10 | 2005-06-16 | 義範 佐藤 | Leakage alarm system with integrated high voltage cable leakage detection function and integrated alarm system |
| CN203630262U (en) * | 2013-12-06 | 2014-06-04 | 国网山东夏津县供电公司 | Non-contact electric leakage detector |
| WO2015141241A1 (en) * | 2014-03-19 | 2015-09-24 | 株式会社小松製作所 | Electric leakage detection device for in-vehicle power supply system, and hydraulic shovel |
| CN105182171A (en) * | 2015-10-29 | 2015-12-23 | 国网山东高唐县供电公司 | Current leakage detection and alarming device for electric pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018035753A1 (en) * | 2016-08-24 | 2018-03-01 | 张甘霖 | Non-contact electric leakage detection device for high-voltage cable |
| CN110095645A (en) * | 2019-04-26 | 2019-08-06 | 广西电网有限责任公司电力科学研究院 | A kind of contactless electrical quantity measurement arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106324431B (en) | 2023-04-14 |
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