CN105929221A - Portable step voltage early-warning apparatus - Google Patents

Portable step voltage early-warning apparatus Download PDF

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Publication number
CN105929221A
CN105929221A CN201610495869.7A CN201610495869A CN105929221A CN 105929221 A CN105929221 A CN 105929221A CN 201610495869 A CN201610495869 A CN 201610495869A CN 105929221 A CN105929221 A CN 105929221A
Authority
CN
China
Prior art keywords
described
step voltage
characterised
portable step
processor
Prior art date
Application number
CN201610495869.7A
Other languages
Chinese (zh)
Inventor
任晓蕾
赵金洋
杨春霞
赵海忠
李治国
卢生
许帅
崔玉铸
Original Assignee
国网山东省电力公司高唐县供电公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 国网山东省电力公司高唐县供电公司 filed Critical 国网山东省电力公司高唐县供电公司
Priority to CN201610495869.7A priority Critical patent/CN105929221A/en
Publication of CN105929221A publication Critical patent/CN105929221A/en

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Classifications

    • 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
    • G01R19/16533Indicating 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

Abstract

The invention belongs to the field of auxiliary power maintenance equipment, and specifically relates to a portable step voltage early-warning apparatus which comprises detection electrodes disposed on front and rear ends of an insulated shoe and a circuit board for arranging a voltage acquisition circuit, wherein the detection electrodes are electrically connected with the circuit board, and the circuit board is arranged in an apparatus housing. A voltmeter and a processor in communication connection with the voltmeter are arranged in the apparatus housing, an alarming horn for giving off an alarm is arranged on the external surface of the apparatus housing, and a band for binding the apparatus housing on a leg is arranged on the external surface of the apparatus housing. The portable step voltage early-warning apparatus is disposed on one insulated shoe of a worker, which changes conventional bi-feet prediction method, measures step voltage earlier, and ensures life safety of the worker. The apparatus is small, portable, convenient and rapid, and can be used only by sleeving on a foot. The apparatus is worthy of wide promotion.

Description

Portable step voltage prior-warning device

Technical field

The invention belongs to power equipment maintaining auxiliary equipment field, relate to step voltage, particularly relate to a kind of portable Step voltage prior-warning device.

Background technology

After step voltage is electrical equipment grounding, produce between the people of process or the limbs of animal near earth point Raw voltage.This voltage can produce electric shock accidents.Step voltage often occurs in electrical equipment malfunction earth point Near and electric line broken string land place.Stride additionally, there is also near discharging rod earthing pole during thunderbolt Voltage.Generally, all there is the danger that step voltage is got an electric shock in the range of 20 meters, these trouble points.

In order to meet growing electric power needs, China's high voltage dc transmission technology is developed rapidly, Become the dominant technology of long-distance and large-capacity power transmission.Meanwhile, for conveying high-pressure electricity, China builds within the border A large amount of high-pressure delivery circuit, but, along with weather, geology, some unpredictable factors such as artificial, Easily lead to the interruption of the circuit of high-pressure delivery, cause electric wire to fall on the ground, it addition, at high-voltage line ferrum Near tower, ground can be caused to there is step voltage because of problems such as electric leakage or faradisies sometimes.Cause The event that step voltage is got an electric shock, happens occasionally.

Electric company personnel, in the maintenance interrupted for high-voltage line, need to carry out finding along high-voltage line on foot to interrupt Point, this just makes to be easy to occur that step voltage is got an electric shock the when of staff's breakpoint upon the look, staff When by step voltage, electric current, along the lower part of the body of people, is formed logical to foot and the earth from foot again through lower limb, crotch Road, when being subject to higher step voltage effect due to staff, both feet can knot, and makes health fall on the ground. This not only makes the electric current acting on health increase, and passes the current through the path changing of human body, and electric current can Human body vitals can be flowed through, such as the most in one's hands or foot, and, people falls down to the ground after current continuous action 2 in vivo Second, this electric shock will be fatal.

Summary of the invention

The present invention is directed to above-mentioned staff find high-voltage line break drop point time, exist step voltage get an electric shock May, it is provided that a kind of simple in construction, reasonable in design, easy to process, use cost is cheap and can be the most pre- Alert portable step voltage prior-warning device.

In order to achieve the above object, the technical solution used in the present invention is, the present invention provide a kind of portable across Step voltage prior-warning device, including for being placed on the detecting electrode of insulated shoes rear and front end and for arranging electricity The circuit board of pressure Acquisition Circuit, described detecting electrode is electrical connected with circuit board, and described circuit board is arranged on dress In encloser body, in described device case, it is additionally provided with voltmeter and the processor with voltmeter communication connection, Described voltmeter, processor are respectively provided with on circuit boards, the outer surface of described device case be additionally provided with for The alarming horn reported to the police, described alarming horn communicates to connect with processor, and the outer surface of described device case is also It is provided with the bandage for tying up on lower limb by device case.

As preferably, the both sides of described detecting electrode are provided with for being strapped on insulated shoes by detecting electrode Elastic cord.

As preferably, the outer surface of described device case is additionally provided with warning lamp, described warning lamp and processor Communication connection.

As preferably, described warning lamp is light emitting diode.

As preferably, described processor is STC89C51 chip microprocessor.

As preferably, in described device case, it is additionally provided with power supply.

As preferably, described power supply is chargeable storage.

As preferably, in described device case, be additionally provided with nearly electric induction element, described nearly electric induction element with Processor communicates to connect.

Compared with prior art, advantages of the present invention and good effect are,

1, the present invention is by providing a kind of portable step voltage prior-warning device so that it is be placed on staff's On single insulated shoes, the method changing tradition both feet prediction, measure step voltage the most in advance, Ensure that the life security of staff, meanwhile, present configuration is small and exquisite, portable carries, during use, also Only need to be enclosed within foot, when can use, convenient, fast, it is suitable for large-scale promotion and uses.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, required in embodiment being described below Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is the one of the present invention A little embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, Other accompanying drawing can also be obtained according to these accompanying drawings.

The structural representation of the portable step voltage prior-warning device that Fig. 1 provides for embodiment 1;

The fundamental diagram of the portable step voltage prior-warning device that Fig. 2 provides for embodiment 1;

In the most each figure, 1, detecting electrode;11, electric wire;2, device case;3, alarming horn; 4, bandage;41, snap close;42, lockhole;43, button is unlocked;5, elastic cord;6, warning lamp.

Detailed description of the invention

In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the accompanying drawings and The present invention will be further described for embodiment.It should be noted that in the case of not conflicting, the application's Feature in embodiment and embodiment can be mutually combined.

Elaborate a lot of detail in the following description so that fully understanding the present invention, but, this Bright can be different from other modes described here implement to use, therefore, the present invention is not limited to following The restriction of the specific embodiment of prospectus.

Embodiment 1, as shown in Figure 1 and Figure 2, the present embodiment provides a kind of portable step voltage prior-warning device, Including for being placed on the detecting electrode 1 of insulated shoes rear and front end and for arranging the electricity of voltage collection circuit Road plate (not shown), with the difference of the existing bipod that detector unit is placed on staff It is, the present embodiment, detecting electrode 1 is placed on foot of staff, certainly, is placed That foot, must be the foot that steps the most at first of staff, in such manner, it is possible to remind accomplishing at first, people The maximum voltage that can bear is 36V, so, in the present embodiment, when voltage reaches about 10V~20V Time, i.e. propose to report to the police, so, can be arranged on single foot, and voltage collection circuit is existing comparison into Ripe technology, therefore in the present embodiment, this circuit is not described in detail and accompanying drawing, at the present embodiment In, voltage collection circuit is arranged on circuit boards, in the present embodiment, detecting electrode 1 leads to circuit board Cross electric wire 11 to realize being electrical connected, carry for convenience, in an embodiment, be provided with device case 2, electricity Road plate is arranged in device case 2, and certainly, detecting electrode 1 is remote from what device case 2 was arranged, at dress Voltmeter (not shown) and the processor (figure with voltmeter communication connection it is additionally provided with in encloser body 2 Not shown in), in the present embodiment, the communication connection of indication refers to be provided with signal electricity between processor Road is in order to realize the control signal that processor receives or release is relevant, in the present embodiment, voltmeter, process Device is respectively provided with on circuit boards, and the outer surface at device case 2 is additionally provided with the alarming horn 3 for reporting to the police, Alarming horn 3 communicates to connect with processor, and the outer surface of device case 2 is additionally provided with for by device case Tying up the bandage 4 on lower limb, in the present embodiment, bandage 4 is elastic webbing, and one end of bandage 4 is fixed on dress On encloser body 2, the other end is provided with snap close 41, the side of device case 2 is provided with snap close 41 and matches The lockhole 42 closed, is provided with the unblock button 43 for being discharged by snap close 41 at the top of device case 2.

Time specifically used, detecting electrode 1 be placed on staff and like stepping at first the insulated shoes of foot at ordinary times Before and after two ends, so arrange, it is possible to ensure that the distance between detecting electrode is maximum, preferably obtain Detection information, then, utilizes the snap close 41 on bandage 4, is inserted in lockhole 42 by snap close 41, makes dress Put shell 2 and tie up on the lower limb of staff, then, when staff enters into high-tension bus-bar pick-up point voltage model After enclosing, detecting electrode detects voltage, and after voltage is more than about 15V, voltage signal is sent by voltmeter To processor, the magnitude of voltage that processor presets according to realization, after voltage exceedes preset voltage value, process Device sends a signal to alarming horn, and alarming horn is started working, and plays police whistle sound, to point out staff to stop Only advance.

In view of the convenience of the placement of detecting electrode 1, in the present embodiment, the both sides of detecting electrode 1 set It is equipped with the elastic cord 5 for being strapped on insulated shoes by detecting electrode 1, specifically, in the present embodiment, It is placed on the electrode that detecting electrode 1 is cuboid of insulated shoes front end, is provided with elastic cord 5 in its both sides, By elastic cord 5, detecting electrode 1 tied up the front end at insulated shoes, and be placed on the detection electricity of insulated shoes rear end Pole 1 is the electrode of L-type, it is contemplated that the elastic cord 5 being placed on detecting electrode 1 below needs to be enclosed within insulation On the vamp of footwear, and being placed on the vamp of insulated shoes and easily lead to detecting electrode 1 and run forward, this just leads The effect causing voltage detecting reduces, and therefore, arranges L-shaped by rear detecting electrode 1 so that it is after being stuck in footwear, The firm of detecting electrode can be ensured.

In order to provide more preferable alarming effect, in the present embodiment, the outer surface at device case 2 also sets up Having warning lamp 6, warning lamp 6 to communicate to connect with processor, more specifically, warning lamp 6 is luminous two Pole is managed, and is red diodes.

In the present embodiment, it is contemplated that reduce in the present embodiment, reduce between two detecting electrodes 1 Distance, may result in the reduction of Detection results, therefore in the present embodiment, STC89C51 selected by processor Chip microprocessor, STC89C51 chip microprocessor is a new generation 8051 single-chip microcomputer of high-speed low-consumption energy, Maximum operating frequency can respectively reach 25MHz~50MHz, therefore uses this chip microprocessor the most permissible Meet the needs using, detecting.

In order to provide power supply, in the present embodiment, at device case to processor, warning lamp, alarming horn Being additionally provided with power supply (not shown) in 2, specifically, power supply is chargeable storage.

Sometimes operation is carried out at the charging equipment being currently running in view of staff, and, this type of is charged sets For operationally, also it is easy to produce danger, occurs step voltage to get an electric shock, therefore in the present embodiment, filling Being additionally provided with nearly electric induction element in encloser body, nearly electric induction element communicates to connect with processor.Nearly electric induction The intensity of the induced field in air measured by element, and magnetic field intensity is the biggest, illustrates by charging equipment the nearest, when Magnetic field intensity is just reported to the police when arriving setting value, prevents personnel from continuing near charging equipment, and nearly electric induction element is Prior art, therefore in the present embodiment, it is not described in detail its structure.

The above, be only presently preferred embodiments of the present invention, and the present invention not makees other form Limiting, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are changed Type is that the Equivalent embodiments of equivalent variations is applied to other field, but every without departing from technical solution of the present invention Content, any simple modification above example made according to the technical spirit of the present invention, equivalent variations with Remodeling, still falls within the protection domain of technical solution of the present invention.

Claims (8)

1. a portable step voltage prior-warning device, it is characterised in that include before being placed on insulated shoes The detecting electrode at rear two ends and for arranging the circuit board of voltage collection circuit, described detecting electrode and circuit Plate is electrical connected, and described circuit board is arranged in device case, is additionally provided with voltmeter in described device case And with voltmeter communication connection processor, described voltmeter, processor are respectively provided with on circuit boards, institute The outer surface stating device case is additionally provided with the alarming horn for reporting to the police, and described alarming horn leads to processor Letter connects, and the outer surface of described device case is additionally provided with the bandage for tying up on lower limb by device case.
Portable step voltage prior-warning device the most according to claim 1, it is characterised in that described inspection The both sides surveying electrode are provided with the elastic cord for being strapped on insulated shoes by detecting electrode.
Portable step voltage prior-warning device the most according to claim 2, it is characterised in that described dress The outer surface of encloser body is additionally provided with warning lamp, and described warning lamp communicates to connect with processor.
Portable step voltage prior-warning device the most according to claim 3, it is characterised in that described police Show that lamp is light emitting diode.
Portable step voltage prior-warning device the most according to claim 4, it is characterised in that described place Reason device is STC89C51 chip microprocessor.
Portable step voltage prior-warning device the most according to claim 5, it is characterised in that described dress It is additionally provided with power supply in encloser body.
Portable step voltage prior-warning device the most according to claim 6, it is characterised in that described confession Electricity power supply is chargeable storage.
Portable step voltage prior-warning device the most according to claim 7, it is characterised in that described dress Being additionally provided with nearly electric induction element in encloser body, described nearly electric induction element communicates to connect with processor.
CN201610495869.7A 2016-06-29 2016-06-29 Portable step voltage early-warning apparatus CN105929221A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610495869.7A CN105929221A (en) 2016-06-29 2016-06-29 Portable step voltage early-warning apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610495869.7A CN105929221A (en) 2016-06-29 2016-06-29 Portable step voltage early-warning apparatus

Publications (1)

Publication Number Publication Date
CN105929221A true CN105929221A (en) 2016-09-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610495869.7A CN105929221A (en) 2016-06-29 2016-06-29 Portable step voltage early-warning apparatus

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CN (1) CN105929221A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020180695A1 (en) * 2001-06-04 2002-12-05 Lawrence Richard Anthony Foot activated user interface
CN202693669U (en) * 2012-06-23 2013-01-23 邯郸供电公司 Step voltage alarm device
CN202994891U (en) * 2012-12-13 2013-06-12 郑州电力高等专科学校 Step voltage off-limit alarm device
CN104267236A (en) * 2014-09-18 2015-01-07 江苏省电力公司 Wearable real-time monitoring device for human body induced electricity under high-voltage transmission line
TWM502463U (en) * 2014-04-21 2015-06-11 Jin-Siang Shaw Portable stride assistive device
CN204631111U (en) * 2014-12-09 2015-09-09 国家电网公司 Transformer station's step voltage detection alarm device
CN204861400U (en) * 2015-07-07 2015-12-16 焦作市超捷科技有限公司 Multi -functional live working insulated shoes
CN205861758U (en) * 2016-06-29 2017-01-04 国网山东省电力公司高唐县供电公司 Portable step voltage prior-warning device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020180695A1 (en) * 2001-06-04 2002-12-05 Lawrence Richard Anthony Foot activated user interface
CN202693669U (en) * 2012-06-23 2013-01-23 邯郸供电公司 Step voltage alarm device
CN202994891U (en) * 2012-12-13 2013-06-12 郑州电力高等专科学校 Step voltage off-limit alarm device
TWM502463U (en) * 2014-04-21 2015-06-11 Jin-Siang Shaw Portable stride assistive device
CN104267236A (en) * 2014-09-18 2015-01-07 江苏省电力公司 Wearable real-time monitoring device for human body induced electricity under high-voltage transmission line
CN204631111U (en) * 2014-12-09 2015-09-09 国家电网公司 Transformer station's step voltage detection alarm device
CN204861400U (en) * 2015-07-07 2015-12-16 焦作市超捷科技有限公司 Multi -functional live working insulated shoes
CN205861758U (en) * 2016-06-29 2017-01-04 国网山东省电力公司高唐县供电公司 Portable step voltage prior-warning device

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Application publication date: 20160907

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