CN109254195A - Mesohigh line current Threshold Crossing Alert device - Google Patents
Mesohigh line current Threshold Crossing Alert device Download PDFInfo
- Publication number
- CN109254195A CN109254195A CN201811326354.XA CN201811326354A CN109254195A CN 109254195 A CN109254195 A CN 109254195A CN 201811326354 A CN201811326354 A CN 201811326354A CN 109254195 A CN109254195 A CN 109254195A
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- China
- Prior art keywords
- main body
- induction coil
- alert device
- current threshold
- threshold crossing
- 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.)
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Links
- 230000006698 induction Effects 0.000 claims abstract description 37
- 238000009413 insulation Methods 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 2
- 238000007689 inspection Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16547—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies voltage or current in AC supplies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention relates to power equipment gauge check technical fields, it is a kind of mesohigh line current Threshold Crossing Alert device, it includes the insulation shell in 8-shaped, the first main body and the second main body for having magnetic conductivity are from top to bottom fixed at intervals on the inside of insulation shell, first main body and the second main body are in hollow cylinder-like structure, there is high voltage induction coil in the outside uniform winding of the first main body, have in the outside uniform winding of the second main body for measuring faradic low pressure induction coil, it is non-overlapping between high voltage induction coil and low pressure induction coil, the connectivity slot for conducting wire disengaging is offered on insulation shell and the first main body, the output end of low pressure induction coil is connected with line current and gets over line alarm device, the output end of electric current Threshold Crossing Alert device is connected with alarm indicator.The present invention can directly judge whether the load of the route is out-of-limit by the display of alarm indicator, find circuit overload situation in time, effectively prevent line tripping fault.
Description
Technical field
The present invention relates to power equipment gauge check technical fields, are a kind of mesohigh line current Threshold Crossing Alert devices.
Background technique
At present, the distribution network in China town and country mainly based on 10kV distribution network, adopt by individual developed regions distribution lines
Power supply mode " hand in hand " is taken, still using single radiation tree-like manner power supply, power supply reliability compares most of distribution networks
Difference.The region for being responsible for power supply due to the distribution network in town and country is relatively wider, landform is more complicated, load is more dispersed, causes 10kV
Route is intricate, and radius of electricity supply is too long, and lines branch is more, and on-load switch is installed in each feed line, and feeder line is divided into difference
Power supply section, cause the method for operation complicated.Due to being powered using single supply, when traffic overload occurs for a certain route of distribution network
When, it be easy to cause switch trip, interruption of power supply.Power supply department needs to look into as early as possible after receiving the outage information of line fault
The position of fault is looked for, failure is eliminated, restores power transmission.
Currently, the inspection cycle of 10kV power supply line is monthly, during line inspection personnel are to line inspection, only
The external circumstances for only passing through eye-observation route, are very difficult to judge whether route and branch overload, current flow operation conditions is
It is no in the reasonable scope.When often breaking down because of circuit overload, line inspection personnel making an inspection tour to shaft tower step by step is needed.
When failure occurs to be in forest zone, gully, river etc. with a varied topographyly in the atrocious weathers such as strong wind, thunderstorm, heavy snow or route
Area and failure occur night when, failure can be searched to tour personnel and cause very big difficulty, find fault point sometimes
Use long time.
Summary of the invention
The present invention provides a kind of mesohigh line current Threshold Crossing Alert devices, overcome the defects of the prior art,
It can effectively solve existing mesohigh route because line fault occurs in overload, when trouble-shooting point existing time-consuming and laborious, work
It is lower and there are problems that line security hidden danger to make efficiency.
The technical scheme is that realized by following measures: a kind of mesohigh line current Threshold Crossing Alert dress
It sets, the insulation shell including being in 8-shaped is from top to bottom fixed at intervals with the first main body for having magnetic conductivity on the inside of insulation shell
With the second main body, the first main body and the second main body are in hollow cylinder-like body structure, in the outside uniform winding of the first main body
There is high voltage induction coil, has in the outside uniform winding of the second main body for measuring faradic low pressure induction coil, high pressure
It is non-overlapping between induction coil and low pressure induction coil, the company for conducting wire disengaging is offered on insulation shell and the first main body
Through slot, the output end of low pressure induction coil are connected with line current and get over line alarm device, the output end connection of electric current Threshold Crossing Alert device
There is alarm indicator.
Here is the further optimization and/or improvements to invention technology described above scheme:
It includes that control panel, DC measurement module, analog/digital conversion module, logic parameter are sentenced that above-mentioned line current, which gets over line alarm device,
Disconnected module and digital signal output modules, the DC measurement module input are connect with the output end of low pressure induction coil, with
For measuring induced current, DC measurement module, analog/digital conversion module, logic parameter judgment module and digital signal export mould
Block is sequentially electrically connected, and logic parameter judgment module is electrically connected with alarm indicator, the output end of digital signal output modules and control
Panel electrical connection processed.
Above-mentioned control panel includes that factor display, parameter adjustment button and parameter setting device, parameter adjust button and ginseng
Number setter is electrically connected with logic parameter judgment module.
Above-mentioned alarm indicator is fixedly mounted on the bottom outside face of insulation shell.
Above-mentioned first main body and the second main body are cylinder made of the compacting of multi-disc silicon steel sheet.
Above-mentioned insulation shell is shell made of epoxy resin insulation material.
Structure of the invention is reasonable and compact, easy to use, when line inspection personnel make an inspection tour route, is referred to by alarm
Show the display of lamp can directly judge whether the load of the route is out-of-limit, finds circuit overload situation in time, effectively avoid
Line tripping fault.Present invention saves the line inspections generated by circuit overload failure to spend a large amount of human and material resources, drop
Low line outage overlong time reduces user's loss.The present invention can facilitate tour personnel quickly timely to eliminate line load mistake
The failure generated is carried, has saved because the line inspection that circuit overload failure generates spends a large amount of human and material resources, has reduced route
Power off time is too long, reduces user's loss.
Detailed description of the invention
Attached drawing 1 is the schematic view of the front view of preferred embodiment use state.
Attached drawing 2 is the not no schematic cross-sectional view of control panel at A-A of attached drawing 1.
Attached drawing 3 is the internal logic structure schematic diagram that line current of the invention gets over line alarm device.
It is low pressure induction coil that coding in attached drawing, which is respectively as follows: N1, and N2 is high voltage induction coil, and 1 is insulation shell, and 2 are
First main body, 3 be the second main body, and 4 be connectivity slot, and 5 be alarm indicator, and 6 be conducting wire, and 7 be factor display, and 8 be parameter tune
Whole button, 9 be parameter setting device.
Specific embodiment
The present invention is not limited by the following examples, can determine according to the technique and scheme of the present invention with actual conditions specific
Embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to Figure of description 1
Butut mode be described, such as: front, rear, top, and bottom, left and right positional relationship be the cloth according to Figure of description 1
Figure direction determines.
Below with reference to examples and drawings, the invention will be further described:
As shown in attached drawing 1,2,3, which includes the insulation shell 1 in 8-shaped, is being insulated
1 inside of shell is from top to bottom fixed at intervals with the first main body 2 and the second main body 3 for having magnetic conductivity, and the first main body 2 and second is main
Body 3 is in hollow cylinder-like structure, has high voltage induction coil N1 in the outside uniform winding of the first main body 2, in the second main body 3
Outside uniform winding have for measuring faradic low pressure induction coil N2, high voltage induction coil N1 and low pressure induction coil
It is non-overlapping between N2, the connectivity slot 4 for conducting wire disengaging, low pressure induction coil are offered on insulation shell 1 and the first main body 2
The output end of N2 is connected with line current and gets over line alarm device, and the output end of electric current Threshold Crossing Alert device is connected with alarm indicator 5.
The present invention can be divided into upper, middle and lower three parts composition, and top is the part high voltage induction coil N1, and middle part is low pressure induction
The part coil N2, lower part are alarm indicator 5.The working principle of the invention is: the magnetic conductivity of the first main body 2 and the second main body 3
Well, the conducting wire 6 of high-tension line passes through the part top high voltage induction coil N1, middle part low pressure induction coil N2 induced electricity rheology
Change, setting alarming threshold value can arbitrarily be reconciled by getting over line alarm device by line current, when line load electric current is more than the door of setting
When limit value, the alarm indicator 5 of lowermost part is then lighted, and when line inspection personnel make an inspection tour, can find circuit overload in time
Problem avoids route that trip accident occurs because of overload.
In actual use, at the connectivity slot 4 of high voltage induction coil N1, the present invention is suspended on across connectivity slot 4 to be needed
On the conducting wire 6 to be maked an inspection tour, induced current is induced by low pressure induction coil N2, the output end connection of low pressure induction coil N2
Electric current Threshold Crossing Alert device measurement induced current, electric current Threshold Crossing Alert device judge induced current whether be more than setting alarming threshold
Value, if being more than, alarm indicator 5 is lighted.It, can by the display of alarm indicator 5 when line inspection personnel pass through
Directly judge whether the load of the route is out-of-limit, finds circuit overload situation in time, effectively prevent line tripping fault.
The present invention can facilitate tour personnel quickly timely to eliminate the failure that line load overload generates, and save because of route
The line inspection that overload fault generates spends a large amount of human and material resources, reduces line outage overlong time, reduces user's damage
It loses.
High voltage line current Threshold Crossing Alert device among the above can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,3, line current get over line alarm device include control panel, DC measurement module, analog/digital conversion module,
Logic parameter judgment module and digital signal output modules, the DC measurement module input are defeated with low pressure induction coil N2's
Outlet connection, for measuring induced current, DC measurement module, analog/digital conversion module, logic parameter judgment module and number
Signal output module is sequentially electrically connected, and logic parameter judgment module is electrically connected with alarm indicator, digital signal output modules
Output end is electrically connected with control panel.
According to electromagnetic induction principle, the output end of low pressure induction coil N2 is connected with DC measurement module, DC measurement
The analog current data that module is measured are converted to digital current data, logic parameter judgment module by analog/digital conversion module
The digital current data and the circuit overload threshold value of setting carry out logical comparison, if being more than the threshold value, trigger alarm and refer to
Show that lamp 5 is alarmed.
As shown in attached drawing 1,3, control panel includes factor display 7, parameter adjustment button 8 and parameter setting device 9, parameter
Adjustment button 8 and parameter setting device 9 are electrically connected with logic parameter judgment module.
As shown in attached drawing 1,2,3, alarm indicator 5 is fixedly mounted on the bottom outside face of insulation shell 1.
Alarm indicator 5 is arranged in 1 bottom of insulation shell the present invention, searches to go out on mesohigh route convenient for patrol officer
The part of path of existing circuit overload, plays the role of prompt.
As shown in Fig. 2, first main body 2 and the second main body 3 are cylinder made of the compacting of multi-disc silicon steel sheet.
As shown in attached drawing 1,2, insulation shell 1 is shell made of epoxy resin insulation material.
The above technical characteristic constitutes highly preferred embodiment of the present invention, has stronger adaptability and best implementation effect
Fruit can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The use process of preferred embodiment: conducting wire 6 is passed through to the connectivity slot 4 of the side high voltage induction coil N1, is worn
Enter high voltage induction coil N1 and fixation, the electric power Lu Bianke of mesohigh route is by high voltage induction coil N1 in low pressure induction coil
The corresponding induced current obtained in N2 is judged, according to the door of the parameter setting device 9 of line current Threshold Crossing Alert device setting
Limit value, when line current is more than the threshold values, alarm indicator 5 is lighted, the cue circuit tour personnel circuit overload.
Claims (9)
1. a kind of mesohigh line current Threshold Crossing Alert device, it is characterised in that the insulation shell including being in 8-shaped, in insulation shell
Internal side is from top to bottom fixed at intervals with the first main body and the second main body for having magnetic conductivity, and the first main body and the second main body are in
Hollow cylinder-like structure has high voltage induction coil in the outside uniform winding of the first main body, uniform in the outside of the second main body
It is wound with for measuring faradic low pressure induction coil, it is non-overlapping between high voltage induction coil and low pressure induction coil,
The connectivity slot for conducting wire disengaging is offered on insulation shell and the first main body, the output end of low pressure induction coil is connected with route
Electric current gets over line alarm device, and the output end of electric current Threshold Crossing Alert device is connected with alarm indicator.
2. mesohigh line current Threshold Crossing Alert device according to claim 1, it is characterised in that line current gets over line announcement
Alert device includes control panel, DC measurement module, analog/digital conversion module, logic parameter judgment module and digital signal output mould
Block, the DC measurement module input are connect with the output end of low pressure induction coil, with for measuring induced current, direct current is surveyed
Amount module, analog/digital conversion module, logic parameter judgment module and digital signal output modules are sequentially electrically connected, and logic parameter is sentenced
Disconnected module is electrically connected with alarm indicator, and the output end of digital signal output modules is electrically connected with control panel.
3. mesohigh line current Threshold Crossing Alert device according to claim 2, it is characterised in that control panel includes ginseng
Number display, parameter adjustment button and parameter setting device, parameter adjustment button and parameter setting device judge mould with logic parameter
Block electrical connection.
4. mesohigh line current Threshold Crossing Alert device according to claim 1 or 2 or 3, it is characterised in that alarm instruction
Lamp is fixedly mounted on the bottom outside face of insulation shell.
5. mesohigh line current Threshold Crossing Alert device according to claim 1 or 2 or 3, it is characterised in that described first
Main body and the second main body are cylinder made of the compacting of multi-disc silicon steel sheet.
6. mesohigh line current Threshold Crossing Alert device according to claim 4, it is characterised in that first main body and
Second main body is cylinder made of the compacting of multi-disc silicon steel sheet.
7. mesohigh line current Threshold Crossing Alert device described according to claim 1 or 2 or 3 or 6, it is characterised in that insulation shell
Body is shell made of epoxy resin insulation material.
8. mesohigh line current Threshold Crossing Alert device according to claim 4, it is characterised in that insulation shell is epoxy
Shell made of resin-insulated material.
9. mesohigh line current Threshold Crossing Alert device according to claim 5, it is characterised in that insulation shell is epoxy
Shell made of resin-insulated material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326354.XA CN109254195B (en) | 2018-11-08 | 2018-11-08 | Medium-high voltage line current out-of-limit alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811326354.XA CN109254195B (en) | 2018-11-08 | 2018-11-08 | Medium-high voltage line current out-of-limit alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109254195A true CN109254195A (en) | 2019-01-22 |
| CN109254195B CN109254195B (en) | 2024-03-19 |
Family
ID=65042905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811326354.XA Active CN109254195B (en) | 2018-11-08 | 2018-11-08 | Medium-high voltage line current out-of-limit alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109254195B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182137A (en) * | 1994-12-22 | 1996-07-12 | Tempearl Ind Co Ltd | Induced current detector for device for warning approach of crane to power-transmission or distribution line |
| CN1873427A (en) * | 2005-06-01 | 2006-12-06 | 周凌云 | Caution device for transmitting line |
| CN103792455A (en) * | 2012-10-29 | 2014-05-14 | 国家电网公司 | Alarm device |
| CN104237604A (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Current monitoring warning device for overhead transmission line |
| CN105425089A (en) * | 2015-11-02 | 2016-03-23 | 国网山东济宁市任城区供电公司 | High-tension power transmission cable detection and alarm device |
| CN105717345A (en) * | 2016-04-12 | 2016-06-29 | 国网青海省电力公司海东供电公司 | Pin insulator live low-value detection method and device |
| CN106226652A (en) * | 2016-08-10 | 2016-12-14 | 国网浙江台州市黄岩区供电公司 | A kind of low-voltage overhead line electric leakage long range positioning detection device |
| CN209086318U (en) * | 2018-11-08 | 2019-07-09 | 国网新疆电力有限公司博尔塔拉供电公司 | Mesohigh line current Threshold Crossing Alert device |
-
2018
- 2018-11-08 CN CN201811326354.XA patent/CN109254195B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08182137A (en) * | 1994-12-22 | 1996-07-12 | Tempearl Ind Co Ltd | Induced current detector for device for warning approach of crane to power-transmission or distribution line |
| CN1873427A (en) * | 2005-06-01 | 2006-12-06 | 周凌云 | Caution device for transmitting line |
| CN103792455A (en) * | 2012-10-29 | 2014-05-14 | 国家电网公司 | Alarm device |
| CN104237604A (en) * | 2014-08-28 | 2014-12-24 | 国家电网公司 | Current monitoring warning device for overhead transmission line |
| CN105425089A (en) * | 2015-11-02 | 2016-03-23 | 国网山东济宁市任城区供电公司 | High-tension power transmission cable detection and alarm device |
| CN105717345A (en) * | 2016-04-12 | 2016-06-29 | 国网青海省电力公司海东供电公司 | Pin insulator live low-value detection method and device |
| CN106226652A (en) * | 2016-08-10 | 2016-12-14 | 国网浙江台州市黄岩区供电公司 | A kind of low-voltage overhead line electric leakage long range positioning detection device |
| CN209086318U (en) * | 2018-11-08 | 2019-07-09 | 国网新疆电力有限公司博尔塔拉供电公司 | Mesohigh line current Threshold Crossing Alert device |
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| Publication number | Publication date |
|---|---|
| CN109254195B (en) | 2024-03-19 |
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