CN107369295A - 1000kV extra-high-voltage alternating current station mistaken collision preventing methods - Google Patents
1000kV extra-high-voltage alternating current station mistaken collision preventing methods Download PDFInfo
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- CN107369295A CN107369295A CN201710654479.4A CN201710654479A CN107369295A CN 107369295 A CN107369295 A CN 107369295A CN 201710654479 A CN201710654479 A CN 201710654479A CN 107369295 A CN107369295 A CN 107369295A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
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Abstract
The invention discloses a kind of 1000kV extra-high-voltage alternating currents station mistaken collision preventing method, comprise the following steps：(1) Electric Field Distribution proportionate relationship when upkeep operation scene whether there is construction equipment is calculated, determines danger warning threshold value；(2) its electric field information is gathered in real time in upkeep operation personnel, the protruding parts placement sensor of construction equipment respectively；(3) Distance Judgment and early warning are carried out to upkeep operation personnel and construction equipment according to the electric field information collected in step (2), if the electric field information value collected is less than danger warning threshold value, then it represents that the construction area of upkeep operation personnel and construction equipment is safety zone；If the electric field information value collected is more than danger warning threshold value, then it represents that the construction area of upkeep operation personnel and construction equipment is danger zone.The present invention can effectively solve the problem that station operating personnel and construction equipment touch charging equipment problem by mistake, it is ensured that the safety progress of upkeep operation.
Description
Technical field
The present invention relates to transformer station's O＆M maintenance field, more particularly to a kind of 1000kV extra-high-voltage alternating currents station
Mistaken collision preventing method.
Background technology
Transformer species is more, structure is not fixed, and upkeep operation environment is more complicated compared with line maintenance, upkeep operation mistake
Journey is more cumbersome, if upkeep operation process operation it is lack of standardization (as omit operating procedure), because carelessness or reason is strayed into band in terms of other
Security incident is easily triggered at electricity interval (touching charging equipment by mistake), therefore answers personnel, equipment and equipment during specification upkeep operation
Safe distance.
According to《State Grid Corporation of China's electric power safety working regulation》Regulation, normal activity scope is with setting in staff's work
The safe distance of standby live part：
| Voltage class (kV) | Safe distance (m) |
| 220 | 3 |
| 330 | 4 |
| 500 | 5 |
| 750 | 8 |
| 1000 | 9.5 |
Above minimum safe distance should be kept between operating personnel, construction equipment and charging equipment, during actual job
It is being difficult accurate judgement charging equipment and operating personnel, the distance of construction equipment without auxiliary equipment situation.Therefore, use both at home and abroad
Wireless location and GPS location mode judge testee position, but full accuracy can only achieve 1.5m, and be only horizontally oriented away from
From locus can not judge.
Another three-dimensional visualization technique combines scientific and technological calculation visualization and virtual reality technology, utilizes more source laser thunders
Three dimensional data collection is carried out to transmission line of electricity up to e measurement technology, subtle three-dimensional modeling, power frequency electric field distribution calculating simulation can be achieved
Shown with the real-time measurement of livewire work analogue simulation and safe distance, but be only applicable to circuit homework, to complicated, operation
For the unfixed transformer station in position, above method can not be used.
Therefore existing Distance Judgment method, apparatus can not meet station in terms of precision, I＆M
Operating personnel, equipment mistaken collision preventing demand, need badly and provide a kind of mistaken collision preventing method suitable for station operation to solve
State problem.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of 1000kV extra-high-voltage alternating currents station mistaken collision preventing side
Method, it can effectively solve the problem that station operating personnel and construction equipment touch charging equipment problem by mistake, it is ensured that the peace of upkeep operation
It is complete to carry out.
In order to solve the above technical problems, one aspect of the present invention is：A kind of 1000kV extra-high voltages are provided to hand over
Station mistaken collision preventing method is flowed, is comprised the following steps：
(1) Electric Field Distribution proportionate relationship when upkeep operation scene whether there is construction equipment is calculated, determines danger warning threshold value；
(2) its electric field letter is gathered in real time in upkeep operation personnel, the protruding parts placement sensor of construction equipment respectively
Breath；
(3) Distance Judgment is carried out to upkeep operation personnel and construction equipment according to the electric field information collected in step (2)
And early warning, if the electric field information value collected is less than danger warning threshold value, then it represents that upkeep operation personnel and construction equipment are applied
Work area domain is safety zone；If the electric field information value collected is more than danger warning threshold value, then it represents that upkeep operation personnel are with applying
The construction area of work equipment is danger zone.
In a preferred embodiment of the present invention, in step (1), the algorithm of Electric Field Distribution ratio value is with charging equipment
The center in floor projection region is the center of circle, with the 1.2 of operating personnel's normal activity scope and the safe distance D of equipment live part
Circle is drawn for radius d again, space is danger zone in circle, and some measurement points are chosen in the danger zone, is measured respectively every
Individual measurement point is without construction equipment and has Electric Field Distribution Ea, Eb in the case of construction equipment, calculates each measurement point Ea and Eb ratio
Value, the average value for taking the ratio is the Electric Field Distribution ratio value M of construction equipment.By establishing a three-dimensional space model,
The three-dimensional data for gathering some measurement points realizes power frequency electric field distribution calculating simulation and livewire work analogue simulation and safe distance
Real-time measurement displaying, and then accurately calculate the Electric Field Distribution ratio value of construction equipment.The safe distance D can basis《State
Family's grid company electric power safety working regulation》Learn.
Further, the computational methods of danger warning threshold value are described in step (1)：By operating personnel's normal activity model
Enclose and be multiplied with the safe distance D of equipment live part with the Electric Field Distribution ratio value M of construction equipment, gained product is described applies
Danger warning threshold value Y, Y=D × M when work equipment is constructed.The danger warning threshold value Y is safety zone and danger in upkeep operation
The boundary electric field intensity in danger zone domain.The safe distance D can basis《State Grid Corporation of China's electric power safety working regulation》Learn.
In a preferred embodiment of the present invention, the sensor is the 1cm* that can gather 6 direction electric field informations simultaneously
1cm square structures, small volume, sensing is accurate, sensitive, and gathered data scope is wide.
In a preferred embodiment of the present invention, the protruding parts of upkeep operation personnel includes head, arm, construction equipment
Protruding parts include mechanical arm.
The beneficial effects of the invention are as follows：The present invention calculates different zones electric-field strength by establishing transformer station's threedimensional model
The corresponding relation of distribution situation and charging equipment distance is spent, utilizes the sensor being arranged on upkeep operation personnel and construction equipment
Its positional information is gathered, finally judges whether to enter dangerous operation region and carries out early warning, can effectively solve the problem that transformer station examines
Repair operating personnel and construction equipment and touch charging equipment problem by mistake, it is ensured that the safety progress of upkeep operation.
Brief description of the drawings
Fig. 1 is the measurement point point of the preferred embodiment of 1000kV extra-high-voltage alternating currents station mistaken collision preventing method one of the present invention
Cloth schematic diagram；
Fig. 2 is the distribution schematic diagram of the danger zone；
Fig. 3 is the electric-field intensity distribution schematic diagram when measurement point has construction equipment with without construction equipment；
Fig. 4 is the Electric Field Distribution proportionate relationship schematic diagram of the measurement point；
The mark of each part is as follows in accompanying drawing：1st, measurement point, 2, upkeep operation personnel or construction equipment, 3, charging equipment,
4th, danger zone, 5, reactor, 6, wall bushing, 7, fork truck, 8, the valve Room.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
Referring to Fig. 1, a kind of 1000kV extra-high-voltage alternating currents station mistaken collision preventing method, comprises the following steps：
So that fork truck 7 is in the operation nearby of wall bushing 6 and reactor 5 as an example, left side is the valve Room 8, the wall bushing 6 and electricity
The voltage class of anti-device 5 is 500kV, according to《State Grid Corporation of China's electric power safety working regulation》Regulation, in staff's work
Normal activity scope and the safe distance of equipment live part are 5m.
(1) Electric Field Distribution proportionate relationship when upkeep operation scene whether there is construction equipment 2 is calculated, determines danger warning threshold
Value；
With reference to Fig. 2, using the center in the floor projection region of charging equipment 3 as the center of circle, with the normal activity model of upkeep operation personnel 2
Enclose to draw for radius d with 1.2 times of the safe distance D of equipment live part and justify, space is danger zone 4 in circle, in this implementation
Example in, respectively using wall bushing 6, the floor projection region of reactor 5 center as the center of circle, 6m be radius draw circle, circle in space
For danger zone 4, fork truck 7 is located at outside danger zone 4.Five measurement points 1 are chosen on the border of the danger zone 4, respectively
Labeled as 1#, 2#, 3#, 4#, 5#, each measurement point 1 is measured respectively without construction equipment 2 and has the electric field in the case of construction equipment 2
Ea, Eb are distributed, as shown in figure 3, the electric-field intensity Eb for having each measurement point in the case of construction equipment 2 is significantly greater than without construction equipment
The electric-field intensity Ea of each measurement point in the case of 2.With reference to Fig. 4, each measurement point Ea and Eb ratio is calculated, takes the ratio
Average value is the Electric Field Distribution ratio value M of construction equipment 2.By establishing a three-dimensional space model, some measurement points 1 are gathered
Three-dimensional data realize power frequency electric field distribution calculating simulation and the real-time measurement of livewire work analogue simulation and safe distance displaying,
And then accurately calculate the Electric Field Distribution ratio value M of construction equipment 2.
The Electric Field Distribution proportionate relationship of construction equipment 2 is whether there is according to job site, by the normal activity scope of operating personnel 2 with
The safe distance D of equipment live part is multiplied with the Electric Field Distribution ratio value M of construction equipment 2 to construct Ji Wei the construction equipment 2
When danger warning threshold value Y, Y=D × M, its be upkeep operation in the boundary electric field intensity of safety zone and danger zone.
(2) its electric field letter is gathered in real time in upkeep operation personnel, the protruding parts placement sensor of construction equipment 2 respectively
Breath；
The sensor is 1cm*1cm square structures, can be gathered simultaneously including 6 directions of up, down, left, right, before and after
Electric field information, small volume, sensing it is accurate, sensitive, gathered data scope is wide.Specifically, can the head of upkeep operation personnel,
The protruding parts such as arm and the protruding parts of the construction equipment sensor as described in being arranged the positions such as mechanical arm, can be accurately sensitive
Ground senses the Electric Field Distribution of job site.
(3) operating personnel is arranged in during actual job, the sensor on construction equipment gathers electric field information, root in real time
Distance Judgment and early warning are carried out to upkeep operation personnel and construction equipment 2 according to the electric field information collected in step (2), if collection
The electric field information value arrived is less than danger warning threshold value, then it represents that the construction area of upkeep operation personnel and construction equipment 2 is safety
Region；If the electric field information value collected is more than danger warning threshold value, then it represents that upkeep operation personnel and the construction of construction equipment 2
Region is danger zone.
The present invention calculates different zones electric-field intensity distribution situation and charging equipment by establishing transformer station's threedimensional model
The corresponding relation of distance, its positional information is gathered with the sensor on construction equipment using upkeep operation personnel are arranged in, finally
Judge whether upkeep operation personnel, construction equipment enter dangerous operation region and carry out early warning, can effectively solve the problem that transformer station
Upkeep operation personnel and construction equipment touch charging equipment problem by mistake, it is ensured that the safety progress of upkeep operation.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
- A kind of 1. 1000kV extra-high-voltage alternating currents station mistaken collision preventing method, it is characterised in that comprise the following steps：(1) Electric Field Distribution proportionate relationship when upkeep operation scene whether there is construction equipment is calculated, determines danger warning threshold value；(2) its electric field information is gathered in real time in upkeep operation personnel, the protruding parts placement sensor of construction equipment respectively；(3) Distance Judgment and pre- is carried out to upkeep operation personnel and construction equipment according to the electric field information collected in step (2) It is alert, if the electric field information value collected is less than danger warning threshold value, then it represents that the construction area of upkeep operation personnel and construction equipment Domain is safety zone；If the electric field information value collected is more than danger warning threshold value, then it represents that upkeep operation personnel and construction machine The construction area of tool is danger zone.
- 2. 1000kV extra-high-voltage alternating currents station mistaken collision preventing method according to claim 1, it is characterised in that in step Suddenly in (1), the algorithm of Electric Field Distribution ratio value is using the center in charging equipment floor projection region as the center of circle, with operating personnel just 1.2 times of the safe distance D of normal scope of activities and equipment live part are drawn for radius d to be justified, and space is danger zone in circle, Some measurement points are chosen in the danger zone, measure each measurement point respectively without construction equipment and in the case of having a construction equipment Electric Field Distribution Ea, Eb, calculates each measurement point Ea and Eb ratio, and the average value for taking the ratio is the electric field of construction equipment Distribution proportionality values M.
- 3. 1000kV extra-high-voltage alternating currents station mistaken collision preventing method according to claim 2, it is characterised in that in step Suddenly the computational methods of danger warning threshold value are described in (1)：By operating personnel's normal activity scope and the peace of equipment live part Full distance D is multiplied with the Electric Field Distribution ratio value M of construction equipment, dangerous report when gained product is the construction equipment construction Alert threshold value Y, Y=D × M.
- 4. 1000kV extra-high-voltage alternating currents station mistaken collision preventing method according to claim 1, it is characterised in that described Sensor is the 1cm*1cm square structures that can gather 6 direction electric field informations simultaneously.
- 5. 1000kV extra-high-voltage alternating currents station mistaken collision preventing method according to claim 1, it is characterised in that maintenance The protruding parts of operating personnel includes head, arm, and the protruding parts of construction equipment includes mechanical arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654479.4A CN107369295A (en) | 2017-08-03 | 2017-08-03 | 1000kV extra-high-voltage alternating current station mistaken collision preventing methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654479.4A CN107369295A (en) | 2017-08-03 | 2017-08-03 | 1000kV extra-high-voltage alternating current station mistaken collision preventing methods |
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| Publication Number | Publication Date |
|---|---|
| CN107369295A true CN107369295A (en) | 2017-11-21 |
Family
ID=60309135
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|---|---|---|---|
| CN201710654479.4A Pending CN107369295A (en) | 2017-08-03 | 2017-08-03 | 1000kV extra-high-voltage alternating current station mistaken collision preventing methods |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827457A (en) * | 2018-07-23 | 2020-02-21 | 宁波欧依安盾安全科技有限公司 | Virtual access control system based on safety competence identification |
| CN112183265A (en) * | 2020-09-17 | 2021-01-05 | 国家电网有限公司 | Electric power construction video monitoring and alarming method and system based on image recognition |
| CN112485502A (en) * | 2020-11-25 | 2021-03-12 | 国网山东省电力公司建设公司 | System and method for determining hoisting electric field intensity threshold of extra-high voltage transformer substation crane |
| CN112862273A (en) * | 2021-01-21 | 2021-05-28 | 福州水务平潭引水开发有限公司 | Tunnel construction site risk assessment method and system based on Internet of things |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110827457A (en) * | 2018-07-23 | 2020-02-21 | 宁波欧依安盾安全科技有限公司 | Virtual access control system based on safety competence identification |
| CN110827457B (en) * | 2018-07-23 | 2022-12-09 | 宁波欧依安盾安全科技有限公司 | Virtual access control system based on safety competence identification |
| CN112183265A (en) * | 2020-09-17 | 2021-01-05 | 国家电网有限公司 | Electric power construction video monitoring and alarming method and system based on image recognition |
| CN112485502A (en) * | 2020-11-25 | 2021-03-12 | 国网山东省电力公司建设公司 | System and method for determining hoisting electric field intensity threshold of extra-high voltage transformer substation crane |
| CN112862273A (en) * | 2021-01-21 | 2021-05-28 | 福州水务平潭引水开发有限公司 | Tunnel construction site risk assessment method and system based on Internet of things |
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Application publication date: 20171121 |
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