CN109188059A - A kind of step voltage detection method and device - Google Patents

A kind of step voltage detection method and device Download PDF

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Publication number
CN109188059A
CN109188059A CN201811174589.1A CN201811174589A CN109188059A CN 109188059 A CN109188059 A CN 109188059A CN 201811174589 A CN201811174589 A CN 201811174589A CN 109188059 A CN109188059 A CN 109188059A
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CN
China
Prior art keywords
step voltage
wheel
voltage detection
point
high voltage
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Granted
Application number
CN201811174589.1A
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Chinese (zh)
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CN109188059B (en
Inventor
马明明
王建峰
岳金瑞
马志敏
刘会霞
陈万法
华永军
杨水霞
刘惠超
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State Grid Henan Electric Power Company Xinmi Power Supply Co
State Grid Corp of China SGCC
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State Grid Henan Electric Power Company Xinmi Power Supply Co
State Grid Corp of China SGCC
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Priority to CN201811174589.1A priority Critical patent/CN109188059B/en
Publication of CN109188059A publication Critical patent/CN109188059A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/165Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
    • G01R19/16566Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
    • G01R19/16576Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Alarm Devices (AREA)
  • Traffic Control Systems (AREA)

Abstract

A kind of step voltage detection method and device, method includes, first, low potential point and high voltage are marked in region to be measured, the point based on high voltage, using the direction from low potential to high voltage as moving direction, it moves along a straight line along the moving direction, mark low potential to high potential direction change point, then take multiple measurements, change point with the multiple electric potential directions of determination, step voltage detection device, including column running gear, multiple groups temporald eixis lamp is along the circumferential direction evenly arranged on the upper cylinder of column running gear, universal metallic conduction wheel corresponding with upper cylinder temporald eixis lamp has been uniformly arranged along the circumference on lower cylinder, driving wheel and directive wheel are provided on lower cylinder, intelligent controller is provided in column running gear, the universal metal wheel is electrically connected with intelligent controller, the present invention can be sent out Warning is made in existing step voltage region in time, avoids the risk for entering by mistake through step voltage region.

Description

A kind of step voltage detection method and device
Technical field
The present invention relates to voltage detecting fields, and in particular to a kind of step voltage detection method and device.
Background technique
When ground fault occurs for electrical equipment, electric current goes out from four diffusing of earthing pole, forms different current potential point on the ground Cloth, when walking close to fault position, the potential difference between bipod is grounded when people is located at apart from electrical equipment people step voltage When in the range of 8-10 meters of failure, it may occur however that electric shock accidents will make one electric shock danger when step voltage reaches 40 ~ 50V Danger, especially step voltage can make one to fall down and then increase the electric shock voltage of human body, or even make one to get an electric shock and die, and blindly suing and labouring can A chain of human casualty accident is caused, in addition, step voltage has concealment high.Without obvious physical phenomenon, can not judge whether there is Step voltage, grounding point center are more not easy to find.
Summary of the invention
To solve the above problems, the present invention provides a kind of step voltage detection method and device, with realize can be accurately Detect step voltage grounding point position and the biggish region of step voltage, and warning can be made in time, avoid accidentally into Enter the risk in step voltage region.
The present invention provides technical solution specifically:
A kind of step voltage detection method, it is characterised in that: including following steps:
Step 1: low potential point and high voltage are marked in region to be measured;
Step 2: the point based on high voltage is moved using the direction from low potential to high voltage as moving direction along described Direction linear motion, and real-time detection low potential to the direction of high potential whether the direction phase with basic point low potential to high potential Together, if they are the same, then continue to keep linear motion, if it is different, then stopping moving, and mark the high electricity of high voltage i.e. second at this time Gesture point;
Step 3: marking new low potential point and high voltage in region to be measured again, repeats step 2,
Step 4: the second high voltage repeatedly determined is attached, then the region that the second high voltage surrounds is grounding point That is the central point of step voltage.
A kind of step voltage detection device, including column running gear, along circle on the upper cylinder of the column running gear Circumferential direction is evenly arranged with multiple groups temporald eixis lamp, has been uniformly arranged along the circumference on the lower cylinder and upper cylinder temporald eixis lamp Corresponding universal metallic conduction wheel is provided with driving wheel and directive wheel on the lower cylinder, sets in the column running gear It is equipped with intelligent controller, the universal metal wheel is electrically connected with intelligent controller.
Indicator lamp groups number, and the temporald eixis lamp can be arranged in the group number of the temporald eixis lamp according to cylinder uniform diameter The unidirectional arrow indicator light of circumferential exterior is directed toward for radial distribution.
It is provided with loudspeaker in the column running gear, is provided on the upper cylinder corresponding with temporald eixis lamp Multiple groups speaker voice giving hole, the loudspeaker are electrically connected with intelligent controller.
The universal metallic conduction wheel is fixedly connected with lower cylinder by elastic element.
The elastic element is spring, and the spring outwards are socketed with spring spool.
The driving wheel is two and is symmetrical arranged that two drive wheel positions and the distribution triangular in shape of directive wheel position are described Directive wheel and the driving wheel are connect with driving motor, and the driving motor is electrically connected with intelligent controller.
The intelligent controller is single-chip microcontroller.
The present invention provides a kind of step voltage detection method and device, according on the same straight line in step voltage grounding point two sides Low potential carries out the detection of step voltage, the step voltage detection device, Ke Yi to the direction difference between high potential Under the control of intelligent controller, the step voltage for treating measurement zone is constantly detected, when having voltage difference on metallic conduction wheel, Its low potential can be indicated by the direction of arrow indicator light to the direction of high potential, then step voltage detection device is transported along straight line It is dynamic, until completing a step voltage detection when direction of arrow indicator light and contrary former instruction, then repeatedly being examined It surveys, finds out the potential point of multiple directions transformation, be then the central point of step voltage in multiple potential point ranges.Voltage detecting dress It sets, by invisible step voltage, is converted into sound and light signal, plays warning function, can also more accurately determine step voltage Center and step voltage overlay area, make warning to facilitate, avoid accidentally touch step voltage risk.
Detailed description of the invention
Fig. 1: the process of step voltage detection method.
Fig. 2: the overall structure figure of step voltage detection device.
Fig. 3: the top view and bottom view of step voltage detection device.
Fig. 4: metallic conduction wheel construction schematic diagram.
Fig. 5: step voltage detection device is in step voltage area detection schematic diagram.
1. column running gear, 2. temporald eixis lamps, 3. speaker voice giving holes, 4. driving wheels, 5. directive wheels, 6. metals are led Electricity wheel
7. elastic element, 8. spring spools, 9. conducting wires.
Specific embodiment
Below in conjunction with the attached drawing in the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched It states.Obviously, described embodiment example is only the present invention one.Point embodiment, rather than whole embodiments, base In embodiment of the invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its Its embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of step voltage detection method, it is characterised in that: including following steps:
Step 1: low potential point and high voltage are marked in region to be measured;
Step 2: the point based on high voltage is moved using the direction from low potential to high voltage as moving direction along described Direction linear motion, and real-time detection low potential to the direction of high potential whether the direction phase with basic point low potential to high potential Together, if they are the same, then continue to keep linear motion, if it is different, then stopping moving, and mark the high electricity of high voltage i.e. second at this time Gesture point;
Step 3: marking new low potential point and high voltage in region to be measured again, repeats step 2,
Step 4: the second high voltage repeatedly determined is attached, then the region that the second high voltage surrounds is grounding point That is the central point of step voltage.
As in Figure 2-4, a kind of step voltage detection device, including column running gear 1, the column running gear Multiple groups temporald eixis lamp 2 is along the circumferential direction evenly arranged on upper cylinder, be uniformly arranged along the circumference on the lower cylinder with it is upper The corresponding universal metallic conduction wheel 6 of cylinder temporald eixis lamp 2 is provided with driving wheel 4 and directive wheel 5, institute on the lower cylinder It states and is provided with intelligent controller in column running gear 1, the universal metallic conduction wheel 6 is electrically connected with intelligent controller.
Indicator lamp groups number can be arranged in the group number of the temporald eixis lamp 2 according to cylinder uniform diameter, and group numerical value is preferably ten Six groups, and the temporald eixis lamp 2 is the unidirectional arrow indicator light that radial distribution is directed toward circumferential exterior.
It is provided with loudspeaker in the column running gear 1, is provided on the upper cylinder corresponding with temporald eixis lamp 2 Multiple groups speaker voice giving hole 3, the loudspeaker is electrically connected with intelligent controller.
The universal metallic conduction wheel 6 is fixedly connected with lower cylinder by elastic element 7.
The elastic element 7 is spring, and the spring outwards are socketed with spring spool 8, are arranged on universal metallic conduction wheel 6 Spring, it is ensured that the universal metallic conduction wheel 6 in 16 groups of bottom is in same level, when ground out-of-flatness, pocket Universal metallic conduction wheel 6 on spring elongation, the spring-compressed on the universal metallic conduction wheel 6 of upper convex, which ensures that The universal metallic conduction wheel 6 in 16 groups of bottom is in same level.
The driving wheel 4 is two and arranged symmetrically, two drive wheel positions and the distribution triangular in shape of 5 position of directive wheel, institute It states directive wheel 5 and the driving wheel 4 is connect with driving motor, the driving motor is electrically connected with intelligent controller.
The intelligent controller is single-chip microcontroller, and the single-chip microcontroller model is preferably STM32F106C8T6.
The voltage check device carries out blanket type in area to be tested and slowly moves, the intelligence in voltage check device Controller acquires the voltage swing on each metallic conduction wheel 6 in real time.
Intelligent controller analyses and compares each voltage swing value, if collection voltages value is zero, at this time without striding Voltage, if each voltage value has voltage difference, it is determined that generate the metallic conduction wheel of maximum voltage value and generate the metal of minimum voltage Conductive casters, and the corresponding temporald eixis lamp of the metallic conduction wheel for generating maximum voltage value is lighted, while loudspeaker issues alarm Signal records the position of step voltage detection device at this time.
As shown in figure 5, point based on the point of step voltage is detected, with basic point starting point, with the orientation of basic point The direction of indicator light is moving direction, and control step voltage detection device is slowly moved, monitored in step voltage detection device Whether temporald eixis lamp is consistent with the indicating position of basic point temporald eixis lamp, if indicating position changes, indicating position When variation, then change point is grounding point, the i.e. central point of step voltage.
What has been described above is only a preferred embodiment of the present invention, is not intended to limit the invention, it is all according to the present invention Technical spirit any trickle amendment, equivalent replacement and improvement to the above embodiments, should be included in the technology of the present invention Within the protection scope of scheme.

Claims (9)

1. a kind of step voltage detection method, it is characterised in that: including following steps:
Step 1: low potential point and high voltage are marked in region to be measured;
Step 2: the point based on high voltage is moved using the direction from low potential to high voltage as moving direction along described Direction linear motion, and real-time detection low potential to the direction of high potential whether the direction phase with basic point low potential to high potential Together, if they are the same, then continue to keep linear motion, if it is different, then stopping moving, and mark the high electricity of high voltage i.e. second at this time Gesture point;
Step 3: marking new low potential point and high voltage in region to be measured again, repeats step 2,
Step 4: the second high voltage repeatedly determined is attached, then the region that the second high voltage surrounds is grounding point That is the central point of step voltage.
2. a kind of storage medium, it is characterised in that: be stored with the instruction that can be executed by processor, the finger on the memory It enables for executing the method as described in claim 1.
3. a kind of includes the step voltage detection device of storage medium described in claim 2, it is characterised in that: including column row Walking apparatus is along the circumferential direction evenly arranged with multiple groups temporald eixis lamp, the lower prop on the upper cylinder of the column running gear It has been uniformly arranged along the circumference universal metallic conduction wheel corresponding with upper cylinder temporald eixis lamp on face, has been arranged on the lower cylinder There are driving wheel and directive wheel, intelligent controller, the universal metal wheel and intelligent control are provided in the column running gear Device electrical connection.
4. step voltage detection device according to claim 3, which is characterized in that the group number of the temporald eixis lamp can be according to Indicator lamp groups number is set according to cylinder uniform diameter, and the temporald eixis lamp is the unidirectional arrow that radial distribution is directed toward circumferential exterior Indicator light.
5. step voltage detection device according to claim 3, which is characterized in that be provided in the column running gear Loudspeaker is provided with multiple groups speaker voice giving hole corresponding with temporald eixis lamp, the loudspeaker and intelligence on the upper cylinder It can control device electrical connection.
6. step voltage detection device according to claim 3, which is characterized in that the universal metallic conduction wheel and lower prop Face is fixedly connected by elastic element.
7. step voltage detection device according to claim 6, which is characterized in that the elastic element is spring, described Spring outwards are socketed with spring spool.
8. step voltage detection device according to claim 3, which is characterized in that the driving wheel is two and symmetrically sets It sets, two drive wheel positions and the distribution triangular in shape of directive wheel position, the directive wheel and the driving wheel connect with driving motor It connects, the driving motor is electrically connected with intelligent controller.
9. step voltage detection device according to claim 3, which is characterized in that the intelligent controller is single-chip microcontroller.
CN201811174589.1A 2018-10-09 2018-10-09 Step voltage detection method and device Active CN109188059B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109856446A (en) * 2019-03-28 2019-06-07 国网河南省电力公司电力科学研究院 A kind of octopus step voltage detection device
CN117325214A (en) * 2023-10-23 2024-01-02 国网山东省电力公司高唐县供电公司 Dangerous area inspection robot

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Publication number Priority date Publication date Assignee Title
CN109856446A (en) * 2019-03-28 2019-06-07 国网河南省电力公司电力科学研究院 A kind of octopus step voltage detection device
CN117325214A (en) * 2023-10-23 2024-01-02 国网山东省电力公司高唐县供电公司 Dangerous area inspection robot

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