CN203084135U - Passive on-line detection apparatus for grounding state of high-voltage iron tower - Google Patents
Passive on-line detection apparatus for grounding state of high-voltage iron tower Download PDFInfo
- Publication number
- CN203084135U CN203084135U CN 201320048178 CN201320048178U CN203084135U CN 203084135 U CN203084135 U CN 203084135U CN 201320048178 CN201320048178 CN 201320048178 CN 201320048178 U CN201320048178 U CN 201320048178U CN 203084135 U CN203084135 U CN 203084135U
- Authority
- CN
- China
- Prior art keywords
- iron tower
- charging
- pole plate
- high voltage
- ground state
- 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 - Lifetime
Links
Images
Landscapes
- Electric Cable Installation (AREA)
Abstract
Disclosed in the utility model is a passive on-line detection apparatus for a grounding state of a high-voltage iron tower. The passive on-line detection apparatus comprises a detection pole plate, a power taking device, a charging loop, and a charging and discharging controller for controlling the charging loop and obtaining the charging time of the charging loop. The detection pole plate is arranged between a high-voltage wire and an iron tower, thereby forming a monitoring capacitor between the detection pole plate and the iron tower. One end of the power taking device is connected to the ground and the other end thereof is respectively connected with the detection pole plate and the charging loop by leads; and the power taking device is used for charging the charging loop. And the charging and discharging controller is connected with the charging loop. According to the utility model, the detection pole plate arranged between the high-voltage wire and the iron tower is employed; and the monitoring capacitor is formed between the detection pole plate and the iron tower to detect the grounding state of the high-voltage iron tower. Therefore, the provided on-line detection apparatus is a passive and simple one with the advantages of low cost and high security and is capable of rapidly determining whether the grounding state f the high-voltage iron tower is good or not.
Description
Technical field
The utility model relates to a kind of high voltage iron tower ground state detection technique field, particularly a kind of passive type high voltage iron tower ground state on-line measuring device.
Background technology
The normal operation of ultra-high-tension power transmission line is the basis of the whole country stabilization of power grids.Safety for ultra-high-tension power transmission line, usually adopt high voltage iron tower to carry transmission line of electricity, high voltage iron tower is wanted the normal transmission electric energy, must be in the ground connection good state, otherwise transmission line of electricity will be in unsafe condition, will influence the safe operation of transmission line of electricity, can cause power transmission network earth fault, thereby even also can suffer thunderbolt etc. to cause the power transmission network fault, usually can the very fast discovery and the localization of faults when high voltage iron tower imperfect earth takes place, be difficult in time overhauling and safeguarding, because AC extra high voltage transmission line iron tower height, the clearance is big, and traditional method by Ji Dengta trouble-shooting point along the line can't be applied on the ultra-high-tension power transmission line substantially.
Existing high voltage iron tower ground connection whether good detection method mainly is to judge iron tower by the stake resistance that the electric bridge detection method is measured iron tower whether ground connection is good.Present procedure is loaded down with trivial details, system complex, and the cost height need provide direct current or AC power to various kinds of sensors, is difficult to realize long-range automatic monitoring.
For accurately, the localization of faults promptly, change the combined floodgate of segmentation in the past, manpower and step on bar and search the situation of abort situation by bar, at present, carrying out number of research projects aspect the development transmission lines earth fault indicating device both at home and abroad.The patent No. is 93242795.2 utility model " transmission line of electricity short circuit earth-fault indicator ", has proposed a kind of transmission line of electricity short circuit earth-fault indicator.But personnel Yao Dengta during trouble-shooting when using this indicator, the situation of tower mistake indication may take place in usability, and operating personnel will climb when using, detect all inconvenient, therefore, be necessary to carry out deep research when being used for the ultra-high-tension power transmission line Earth Fault Detection, and on this basis failure detector improved, with the accuracy that improves the device indication with convenient when using.
The utility model content
In view of this, technical problem to be solved in the utility model provide simply, low-cost and safe high pressure iron overlap joint ground state on-line detector.
The utility model is achieved through the following technical solutions:
A kind of passive type high voltage iron tower ground state on-line measuring device that the utility model provides comprises the charging-discharging controller that detects pole plate, electricity getting device, charge circuit and be used to duration of charging of controlling charge circuit and obtaining charge circuit;
Thereby described detection pole plate is arranged between high-tension bus-bar and the iron tower and is detecting formation monitoring electric capacity between pole plate and the iron tower;
Described electricity getting device one end is connected with the earth, and the other end is connected with charge circuit with the detection pole plate respectively by lead; Described electricity getting device is used for charge circuit is charged;
Described charging-discharging controller is connected with charge circuit.
Further, also comprise the CPU processor that is used for Treatment Analysis charging-discharging controller charging current information, described CPU processor is connected with charging-discharging controller.
Further, comprise also being used for the communication module of remote transmission that described communication module is connected with charging-discharging controller through the charge information after the CPU processor processing.
Further, described detection pole plate is a copper coin.
Further, described electricity getting device is the micropower electricity getting device.
Further, the described loop that charges and discharge is electric capacity or capacitor array.
The beneficial effects of the utility model are: the utility model adopts the detection pole plate that is arranged between high-tension bus-bar and the iron tower, detects high pressure iron overlap joint ground state by forming monitoring electric capacity between this detection pole plate and the iron tower; Be a kind of passive, simple, low-cost and safe high pressure iron overlap joint ground state on-line detector, can judge fast whether the ground state of high voltage iron tower is good.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
The structural drawing of the passive type high voltage iron tower ground state on-line measuring device that Fig. 1 provides for the utility model embodiment.
Among the figure, detect pole plate-1, electricity getting device-2, charge circuit-3, charging-discharging controller-4, CPU processor-5, communication module-6.
Embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
The structural drawing of the passive type high voltage iron tower ground state on-line measuring device that Fig. 1 provides for the utility model embodiment, as shown in the figure: a kind of passive type high voltage iron tower ground state on-line measuring device that the utility model provides comprises the charging-discharging controller 4 that detects pole plate 1, electricity getting device 2, charge circuit 3 and be used to duration of charging of controlling charge circuit 3 and obtaining charge circuit;
Thereby described detection pole plate is arranged between high-tension bus-bar and the iron tower and is detecting formation monitoring electric capacity between pole plate and the iron tower;
Described electricity getting device one end is connected with the earth, and the other end is connected with charge circuit with the detection pole plate respectively by lead; Described electricity getting device is used for charge circuit is charged;
Described charging-discharging controller is connected with charge circuit.
Also comprise the CPU processor 5 that is used for Treatment Analysis charging-discharging controller charging current information, described CPU processor 5 is connected with charging-discharging controller 4.
Also comprise the communication module 6 that is used for the charge information after remote transmission is handled through CPU processor 5, described communication module 6 is connected with charging-discharging controller 4.
Described detection pole plate is a copper coin.
Described electricity getting device is the micropower electricity getting device.
The described loop that charges and discharge is electric capacity or capacitor array.
The high pressure iron overlap joint ground state on-line detector that present embodiment provides is a kind of passive, simple, low-cost and safe pick-up unit, can judge fast whether the ground state of high voltage iron tower is good, and need not to provide power supply to sensor; Whether detection pole plate high voltage induction discharges and recharges time length reflection iron tower ground connection good.The above circuit of 110KV, iron tower needs good earth, has the high-tension electricity potential difference between hi-line and the three-phase high-voltage electric wire, if lay a copper coin between a certain phase and iron tower, form an electric capacity between copper coin and the iron tower, alternating electric field produces alternating voltage on electric capacity.Copper coin apart from hi-line outside safe distance, and the voltage security that produces between iron tower, and voltage is lower.At distance iron tower certain distance one electricity getting device is installed, is linked to each other by lead with iron tower with the earth respectively, good when iron tower and the earth ground connection, the micropower electricity getting device can charge normal a charge circuit, and the duration of charging within the specific limits.When iron tower and ground impedance increase, even corrosion is serious, and being equivalent to iron tower and being has very big resistance between the utmost point of electric capacity and the ground under the micropower electricity getting device, and the power taking electric current of micropower electricity getting device is reduced, charging circuit can not effectively be charged, thereby judge that the appearance of iron tower ground connection changes.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although by the utility model being described with reference to preferred embodiment of the present utility model, but those of ordinary skill in the art is to be understood that, can make various changes to it in the form and details, and the spirit and scope of the present utility model that do not depart from appended claims and limited.
Claims (6)
1. passive type high voltage iron tower ground state on-line measuring device is characterized in that: comprise the charging-discharging controller that detects pole plate, electricity getting device, charge circuit and be used to duration of charging of controlling charge circuit and obtaining charge circuit;
Thereby described detection pole plate is arranged between high-tension bus-bar and the iron tower and is detecting formation monitoring electric capacity between pole plate and the iron tower;
Described electricity getting device one end is connected with the earth, and the other end is connected with charge circuit with the detection pole plate respectively by lead; Described electricity getting device is used for charge circuit is charged;
Described charging-discharging controller is connected with charge circuit.
2. passive type high voltage iron tower ground state on-line measuring device according to claim 1 is characterized in that: also comprise the CPU processor that is used for the Treatment Analysis charging-discharging controller duration of charging, described CPU processor is connected with charging-discharging controller.
3. passive type high voltage iron tower ground state on-line measuring device according to claim 1, it is characterized in that: also comprise being used for the communication module of remote transmission through the charge information after the CPU processor processing, described communication module is connected with charging-discharging controller.
4. passive type high voltage iron tower ground state on-line measuring device according to claim 1, it is characterized in that: described detection pole plate is a copper coin.
5. passive type high voltage iron tower ground state on-line measuring device according to claim 1, it is characterized in that: described electricity getting device is the micropower electricity getting device.
6. passive type high voltage iron tower ground state on-line measuring device according to claim 1 is characterized in that: the described loop that charges and discharge is electric capacity or capacitor array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048178 CN203084135U (en) | 2013-01-29 | 2013-01-29 | Passive on-line detection apparatus for grounding state of high-voltage iron tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048178 CN203084135U (en) | 2013-01-29 | 2013-01-29 | Passive on-line detection apparatus for grounding state of high-voltage iron tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084135U true CN203084135U (en) | 2013-07-24 |
Family
ID=48829960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320048178 Expired - Lifetime CN203084135U (en) | 2013-01-29 | 2013-01-29 | Passive on-line detection apparatus for grounding state of high-voltage iron tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN105911411A (en) * | 2016-04-15 | 2016-08-31 | 上汽通用汽车有限公司 | Grounding detection system and method of alternating-current charging control device |
-
2013
- 2013-01-29 CN CN 201320048178 patent/CN203084135U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN105911411A (en) * | 2016-04-15 | 2016-08-31 | 上汽通用汽车有限公司 | Grounding detection system and method of alternating-current charging control device |
| CN105911411B (en) * | 2016-04-15 | 2019-05-03 | 上汽通用汽车有限公司 | A kind of ground detecting system and method for AC charging control device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103344884B (en) | Power overhead network fault two-frequency signal detection and location method and special orientator thereof | |
| CN101975911B (en) | Earth fault judging method for overhead line fault indicator | |
| CN103558506B (en) | Non-implanted formula DC system earth fault lookup method and device thereof | |
| CN206002644U (en) | A kind of electric automobile DC charging motor Insulation Inspection System | |
| CN103323655B (en) | Non-contact alternating current and direct current crosstalk online detecting device and non-contact alternating current and direct current crosstalk online detecting method | |
| CN103712551A (en) | Power distribution network transformer low-voltage winding deformation on-line monitoring device and method | |
| CN103063901A (en) | Pilot frequency injection detection method of power grid ungrounded system busbar capacitance current | |
| CN203537078U (en) | Lightning stroke monitoring device and high-voltage induction power taking system | |
| CN204028285U (en) | A kind of three-phase single-core high-voltage cable on-Line Monitor Device | |
| CN203084135U (en) | Passive on-line detection apparatus for grounding state of high-voltage iron tower | |
| CN104714142A (en) | CT and PT wire break detection method suitable for intelligent/digital transformer substation | |
| CN103487725B (en) | A kind of overhead distribution earth fault indicating device based on zero-sequence component method | |
| CN105067960B (en) | A kind of Distribution Fault Location System and its method based on big data | |
| CN204651898U (en) | A kind of air core reactor turn-to-turn fault protective device | |
| CN203561722U (en) | Two-frequency signal detection position indicator for electricity overhead line | |
| CN102221664A (en) | Grounding fault detection method of overhead high voltage circuit | |
| CN102288868A (en) | One-point grounding detector and detection method for voltage transformer secondary coil neutral line | |
| CN208937682U (en) | Lithium electricity energy storage backup power supply system high-voltage isulation detection circuit | |
| CN201662589U (en) | Non-contact high-voltage electric field sensor | |
| CN203587736U (en) | Overhead distributing line ground fault indicating device based on zero-sequence component method | |
| CN105046018A (en) | Non-contact line over-voltage monitoring apparatus and monitoring method based on finite element analysis | |
| CN203216999U (en) | Capacitive equipment dielectric loss live line measurement sampling device | |
| CN105629138A (en) | Multifunctional suspension type porcelain insulator on-line detector | |
| CN104483571A (en) | Cable insulation detection method | |
| CN205176847U (en) | Non -contact circuit overvoltage monitoring devices based on finite element analysis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
|
| CX01 | Expiry of patent term |