CN204010235U - The wireless Antistatic alarm of a kind of electric field induction - Google Patents
The wireless Antistatic alarm of a kind of electric field induction Download PDFInfo
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- CN204010235U CN204010235U CN201420427598.8U CN201420427598U CN204010235U CN 204010235 U CN204010235 U CN 204010235U CN 201420427598 U CN201420427598 U CN 201420427598U CN 204010235 U CN204010235 U CN 204010235U
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Abstract
The utility model provides a kind of electric field induction wireless Antistatic alarm, device is that the principle that produces surface induction electric charge based on metal in electric field designs, the induced charge of metal surface is converted into current signal, amplify through frequency-selective filtering, signal, and single-chip microcomputer is sampled, the result of measurement is converted into range information, by wireless communication module, warning message is sent to alarm host machine, main frame is made sound and light alarm according to the command information receiving.This device can be realized the quick and precisely differentiation to electric field, and can remind in time staff to promote the awareness of safety of oneself, can be widely used near the construction operation of 110KV and above electrification in high voltage circuit, can effectively reduce personnel and equipment loss, improve the security protection ability of electric power enterprise.
Description
Technical field
The utility model relates to alarming in short range of electric power technical field, relates in particular to the wireless Antistatic alarm of a kind of electric field induction.
Background technology
At present, due to the complicacy of electric network composition, number of devices and type class constantly expand, and the corresponding project of patrolling and examining, test method also constantly increase, greatly strengthen patrolling and examining and maintenance personal's working strength, due to the impact of human factor, under workload is large, staff's security precautions just there will be open defect, tend to negligence, even occur operating against regulations, the most outstanding is exactly the generation of various electric shock accidentss, has brought very big harm to personnel's life security.
According to the power frequency electric field measurement standard of national GBT12720, for example, in the time that a single-phase electricity potential source is connected to the boundary surface (electrode) of a conduction, produce along the electric field intensity of a stationary shaft vibration in the arbitrfary point in influenced space, be single-phase AC electric field; For example, in the time that an AC three-phase potential source is respectively connected to respectively the boundary surface (electrode) of a conduction, conventionally produce an electric field intensity at Space Rotating.This rotating vector is described an ellipse, and its major semi-axis represents the peaked size and Orientation of electric field intensity, and its minor semi-axis represents the size and Orientation of the minimum value of electric field intensity, and lags behind 1/4th cycles of maximal value.In thermal interface, rotating vector is an oscillating vector, its direction is perpendicular to surface, be three-phase alternating current electric field, so, rely on the principle that electric field produces, can be by measuring some parameter wherein, as distance or induction field intensity, reach the object of indirect measurement induction field, vice versa.
The utility model that application number is 201310104229.5 provides a kind of safety helmet capable of giving alarm near electricity, it comprises that front end is provided with the safety helmet of searchlight, it also comprises the electric field induction sensor, amplifier, controller, storer and the power supply that are arranged at safety helmet inside, described electric field induction sensor connects the input end of described amplifier, the output terminal of described amplifier connects the input end of described controller, and the output terminal of described controller connects described storer; Described safety helmet outer setting has alarm, and the output terminal of described controller connects described alarm.This safety helmet capable of giving alarm near electricity has advantages of simple in structure, easy to carry, safe and reliable, convenient operation.
Application number is that 201220510531.1 utility model relates to crane electric shock-prevention safety supervising device, comprise two groups of electric-field sensors, distance measuring equipment, processor, sound and light alarm equipment, power-supply device, one group of two groups of electric-field sensor is located on safe distance, one group is located on limit safe distance, distance measuring equipment and electric-field sensor transfer data to processor, and processor triggers sound and light alarm equipment alarm; Described sound and light alarm equipment is located on pilothouse and vehicle body.The utility model has the advantages that: simple in structure, application is convenient, prevent the arm touching charging equipment of crane, high-altitude operation vehicle, have an accident, improve operating safety factor.
For such scheme, using electric field principle is carried out safe early warning, on the one hand, should consider sensitivity and the radiation intensity of power frequency electric field response element, avoid response lag, report to the police not in time or detecting element contacts overstocked with human body and damages, on the other hand, will be by improving, this measurement warning scheme can be implemented widely, be applied in the every field of construction operation, could effectively reduce like this personnel and equipment loss.
Utility model content
The utility model provides a kind of electric field induction wireless Antistatic alarm, can detect in real time electric field intensity signal around and send warning message, reminds operating personnel to note, thereby avoids the generation of electric shock accidents.
For achieving the above object, technical solution adopted in the utility model is: a kind of electric field induction is wireless Antistatic alarm, comprises sensing module, signal processing module, sampling module, transport module and alarm module; Described transport module adopts wireless mode, is divided into transmitting terminal and receiving end; Described sensing module, described signal processing module, described sampling module connect successively, and the output terminal of described sampling module connects the transmitting terminal of described transport module; The receiving end of described transport module connects the input end of described alarm module.
Described warning device adopts split type, and the transmitting terminal of described sensing module, described signal processing module, described sampling module and described transport module forms detection probe, and the receiving end of described transport module and described alarm module form receiver.
Described detection probe and described receiver include accumulator and charging inlet.
Described accumulator connects operating switch, and described operating switch connects hummer and pilot lamp.
Described sampling module and described alarm module include single-chip microcomputer.
Described sensing module comprises electric-field sensor, and described signal processing module comprises current rectifying and wave filtering circuit and amplifying circuit.
Described alarm module adopts sound and light alarm mode.
The method of work of this warning device comprises the following steps:
1), before first use, first by detection probe and receiver charging 12 hours, if desired continuous working afterwards, fills once electricly for every 24 hours, fills 10 to 12 hours or charging indicator light extinguishes at every turn;
2) take out detection probe and receiver, and open receiver power supply, see whether switch hummer sends " ticking " sound, and observe relay indicating light and whether light;
3) open detection probe power supply, except observe hummer and the relay indicating light of probe whether normal, more whether the probe connecting lamp of observing receiver end light, judge whether pop one's head in normally and probe whether normal with being connected of receiver;
4) if both all show normally, according to specific environment to be measured, select probe and arrangement body and the setting of receiver;
5) if both all show undesiredly, whether first detect that electric weight is sufficient and whether contact is good, then check and whether have fault, until recover normal;
6) after probe and receiver place, enter detection-phase, probe detects in real time high-voltage power line electric field intensity signal around, induces current signal, after filtering, amplify and process, entering single-chip microcomputer judges, if this signal is greater than alarming threshold value, single-chip microcomputer sends warning mark signal by wireless module, and receiver receives alarm command, and transfer to warning device, send sound and light alarm prompting;
7), after warning device detects, if do not re-used for a long time, should carry out surface cleaning and properly be placed in case body special, to ensure lower subnormal work.
The wireless Antistatic alarm of electric field induction in the utility model is that the principle that produces surface induction electric charge based on metal in electric field designs, the induced charge of metal surface is converted into current signal by sensing module, frequency-selective filtering and signal through current rectifying and wave filtering circuit and amplifying circuit amplify, then send in single-chip microcomputer and sample.Owing to induced charge being converted in the process of current signal at sensor, can be subject to the interference of a large amount of clutter or industrial frequency noise, for high frequency clutter, the incoming end of current rectifying and wave filtering circuit arranges low-pass filter, and for low-frequency noise, directly fall by large capacitive bypass, ensure the degree of accuracy of signal, signal after filtering immediately amplifies, to realize calling of subsequent treatment module.All use single-chip microcomputer at probe and receiver end, be for fear of response lag, report to the police not in time or inaccurate, single-chip microcomputer set timer Interruption, produce an Interruption signal every a shorter time interval, and proceed to Interrupt Subroutine, subroutine is from the I/O mouth reading current signal of single-chip microcomputer, and call Interruption A/D and process subroutine, immediately A/D transformation result and the alarming value comparison of adjusting of being scheduled to, if be greater than setting valve, the transmitting terminal output alarm signal to transmitting device, the processing of reporting to the police; The receiving end of transmitting device is received after alerting signal, sends in warning device, carries out signal identification rapidly and response, and take sound and light alarm measure according to judgement by the single-chip microcomputer in warning device.
Single-chip microcomputer can adopt AVR series, Single Chip Microcomputer (SCM) program comprises service subprogram, A/D conversion routine, data processing subroutine in master routine, interrupt service subroutine, timing, all can adopt C language to design, and be packaged in and conveniently in the data register of single-chip microcomputer directly call.Wherein, the initial work of port, timer, A/D converter, constant, variable and other amounts of the main completion system of system master routine completes leakage current circulation demonstration work simultaneously; Interrupt service subroutine mainly judges according to the data of the T0IF position of INTCON register whether TMR0 overflows, and proceeds to TMR0 interrupt entrance subroutine as overflowed; Judge that according to the data of the RBIF position of INTCON register whether RB has input to change, and proceeds to keyboard interrupt entrance subroutine as changed; Interruption service subprogram and A/D conversion routine.Mainly complete A/D convert task, 1 ms carries out 1 time to be processed, every time continuous 6 samplings, and sampled result deposits specified memory unit in; Data processing subroutine mainly completes asks A/D translation data mean value, carries out data comparison, determines whether to report to the police etc.
Transport module in the utility model adopts wireless mode, be divided into transmitting terminal and receiving end, mainly in order to extend measuring distance, ensure the expansion of measurement range and nearly electric personnel's security, transport module can be selected hyperchannel micropower embedded radio digital transmission module, adopt the efficient error correction and detection coding that interweaves that circulates, anti-interference and sensitivity all improves greatly, maximum can be entangled the continuous burst error of 24 bits, can online modification serial ports speed, emissive power, the various parameters such as radio frequency speed, data that can any size of transparent transmission, need not write complicated setting and transmission procedure, be quick on the draw and laser propagation effect good, effective propagation path can reach 1000 meters.
The device that the utility model is related and the technical scheme of application, can realize the quick and precisely differentiation to electric field, and can remind in time staff to promote the awareness of safety of oneself, can be widely used near the construction operation of 110KV and above electrification in high voltage circuit, can effectively reduce personnel and equipment loss, improve the security protection ability of electric power enterprise.
Brief description of the drawings
Fig. 1 is the structure principle chart of the detection radiating portion of the utility model device.
Fig. 2 is the structure principle chart of the reception warning part of the utility model device.
Fig. 3 is the workflow diagram of the utility model device.
Embodiment
As shown in Figure 1 to Figure 3, a kind of electric field induction is wireless Antistatic alarm, comprises sensing module 1, signal processing module 2, sampling module 3, transport module and alarm module 6; Transport module adopts wireless mode, is divided into transmitting terminal 4 and receiving end 5; Sensing module 1, signal processing module 2, sampling module 3 connect successively, and the output terminal of sampling module 3 connects the transmitting terminal 4 of transport module; The receiving end 5 of transport module connects the input end of alarm module 6.
Warning device adopts split type, is generally divided into two parts, and the transmitting terminal of sensing module, signal processing module, sampling module and transport module forms detection probe, and the receiving end of transport module and alarm module form receiver; Detection probe and receiver include operating switch 7, accumulator 8 and charging inlet 9, and accumulator 8 connects operating switch 7 and charging inlet 9; Operating switch 7 connects hummer 10 and pilot lamp 11; Sampling module and alarm module include single-chip microcomputer, and sensing module comprises electric-field sensor; Signal processing module comprises current rectifying and wave filtering circuit and amplifying circuit, and alarm module adopts sound and light alarm mode.
Alarm flow is: relatively process → transmission of amplify → sampling of input → filtering → secondary → report to the police and carry out, device is that the principle that produces surface induction electric charge based on metal in electric field designs, the induced charge of metal surface is converted into current signal, through the frequency-selective filtering of 50Hz, signal amplifies, single-chip microcomputer in sampling module and alarm module can be selected AVR mega48, the result of measurement is converted into range information, by wireless communication module, APC220-43 is sent to receiving end warning message, receiving end is made sound and light alarm according to the command information receiving, remind operating personnel to note, thereby avoid the generation of electric shock accidents, this principle device can be applied in multiple power construction operation process.
Embodiment mono-
This device can be applied in large-scale construction equipment equipment, for example, in transformer station, the power transmission and transformation units such as current conversion station all will carry out spring inspection every year, Qiu Jian, annual overhaul, often can around charging equipment, employ crane, the vehicles such as high-altitude operation vehicle, once arm operator carelessness or error in judgement easily cause arm touching charging equipment, there is personal injury, forced outage danger, now, by device near the construction operation security alarm rising plant equipment 110KV such as crane and above electrification in high voltage circuit, in the time the suspension arm of crane head of alarm probe be installed approached high-voltage conducting wires certain limit, alarm sends sound and light alarm, remind the careful operation of crane operation personnel, reduce to a certain extent the contingency occurrence probability causing because of careless manipulation.
Taking crane as example, before first use, first by detection probe and receiver charging 12 hours, if desired continuous working afterwards, fills once electricly for every 24 hours, fills 10 to 12 hours or charging indicator light extinguishes at every turn; Take out detection probe and receiver, and open receiver power supply, see whether switch hummer sends " ticking " sound, and observe relay indicating light and whether light; Open detection probe power supply, except observe hummer and the relay indicating light of probe whether normal, more whether the probe connecting lamp of observing receiver end light, judge whether pop one's head in normally and probe whether normal with being connected of receiver; If it is undesired that both all show, whether first detect that electric weight is sufficient and whether contact is good, then check and whether have fault, until recover normal; If both all show normally, at the equal mounting magnetic steel base in the bottom of probe apparatus and acceptor device, by probe apparatus by there being magnet steel to be directly adsorbed on the arm of crane, in like manner receiver is placed in to operation room, and again check whether both connect well, see that whether probe connecting lamp is normal; After probe and receiver place, enter detection-phase, probe detects high-voltage power line electric field intensity signal around in real time, induce current signal, after filtering, amplify process, enter Chip Microcomputer A VR mega48 and judge, for example safe distance can be set to 2.5m, if this input distance is greater than alarming threshold value, as 3m, single-chip microcomputer sends warning mark signal by wireless module, and receiver receives alarm command, and transfer to warning device, send sound and light alarm prompting; After warning device detects, if do not re-used for a long time, it should be removed from arm and operation room, and remove respectively magnet steel base, and carry out surface cleaning, finally properly be placed in case body special, to ensure lower subnormal work.
Embodiment bis-
This device can be applied in some electrical verification portable equipments, in ground rod, electrical verification rod, high pressure megger, staff need to come into contacts with charged equipment in the work of be everlasting electric power maintenance or distribution operation, in the course of time can despise psychology to electrified body and safety requirements generation, still can not avoid accidents, now these electrical verification portable equipments just can be reminded staff's operation distance of taking care anywhere or anytime.
Taking electrical verification rod as example, before first use, first by detection probe and receiver charging 12 hours, if desired continuous working afterwards, fills once electricly for every 24 hours, fills 10 to 12 hours or charging indicator light extinguishes at every turn; Take out detection probe and receiver, and open receiver power supply, see whether switch hummer sends " ticking " sound, and observe relay indicating light and whether light; Open detection probe power supply, except observe hummer and the relay indicating light of probe whether normal, more whether the probe connecting lamp of observing receiver end light, judge whether pop one's head in normally and probe whether normal with being connected of receiver; If it is undesired that both all show, whether first detect that electric weight is sufficient and whether contact is good, then check and whether have fault, until recover normal; If both all show normally, probe apparatus and acceptor device are placed in to nearly electricity end and the handheld terminal of electrical verification rod by anchor ear philosophy, also can pass through the transformation to electrical verification rod, directly two parts of warning device are embedded in electrical verification rod two ends, and again check whether both connect well, see that whether probe connecting lamp is normal; After probe and receiver place, enter detection-phase, probe detects electrified body electric field intensity signal around in real time, induce current signal, after filtering, amplify process, enter Chip Microcomputer A VR mega48 and judge, for example safe distance can be set to 0.6m, if this input distance is greater than alarming threshold value, as 1m, single-chip microcomputer sends warning mark signal by wireless module, and receiver receives alarm command, and transfer to warning device, send sound and light alarm prompting; After warning device detects, if electrical verification rod does not re-use for a long time, employing hood type connected mode, warning device need be removed from barred body two ends, and carry out surface cleaning, and be finally properly placed in case body special, adopt integral type embedding to connect, need properly preserve electrical verification rod entirety, to ensure lower subnormal work.
Claims (7)
1. the wireless Antistatic alarm of electric field induction, comprises sensing module, signal processing module, sampling module, transport module and alarm module, it is characterized in that: described transport module adopts wireless mode, is divided into transmitting terminal and receiving end; Described sensing module, described signal processing module, described sampling module connect successively, and the output terminal of described sampling module connects the transmitting terminal of described transport module; The receiving end of described transport module connects the input end of described alarm module.
2. the wireless Antistatic alarm of electric field induction as claimed in claim 1, it is characterized in that: described warning device adopts split type, the transmitting terminal of described sensing module, described signal processing module, described sampling module and described transport module forms detection probe, and the receiving end of described transport module and described alarm module form receiver.
3. the wireless Antistatic alarm of electric field induction as claimed in claim 2, is characterized in that: described detection probe and described receiver include accumulator and charging inlet.
4. the wireless Antistatic alarm of electric field induction as claimed in claim 3, is characterized in that: described accumulator connects operating switch, and described operating switch connects hummer and pilot lamp.
5. the wireless Antistatic alarm of electric field induction as claimed in claim 1 or 2, is characterized in that: described sampling module and described alarm module include single-chip microcomputer.
6. the wireless Antistatic alarm of electric field induction as claimed in claim 1 or 2, is characterized in that: described sensing module comprises electric-field sensor, described signal processing module comprises current rectifying and wave filtering circuit and amplifying circuit.
7. the wireless Antistatic alarm of electric field induction as claimed in claim 1 or 2, is characterized in that: described alarm module adopts sound and light alarm mode.
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| CN201420427598.8U CN204010235U (en) | 2014-07-31 | 2014-07-31 | The wireless Antistatic alarm of a kind of electric field induction |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157095A (en) * | 2014-07-31 | 2014-11-19 | 淮阳县电业局 | Wireless electricity-approaching alarm device through induction of electric field and working method |
| CN104916072A (en) * | 2015-05-14 | 2015-09-16 | 国网浙江省电力公司金华供电公司 | Electrification warning device of switch cabinet |
| CN107123235A (en) * | 2017-03-20 | 2017-09-01 | 国网浙江省电力公司岱山县供电公司 | A kind of Antistatic alarm |
-
2014
- 2014-07-31 CN CN201420427598.8U patent/CN204010235U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157095A (en) * | 2014-07-31 | 2014-11-19 | 淮阳县电业局 | Wireless electricity-approaching alarm device through induction of electric field and working method |
| CN104916072A (en) * | 2015-05-14 | 2015-09-16 | 国网浙江省电力公司金华供电公司 | Electrification warning device of switch cabinet |
| CN104916072B (en) * | 2015-05-14 | 2017-09-26 | 国网浙江省电力公司金华供电公司 | A kind of powered warning device of switch cubicle |
| CN107123235A (en) * | 2017-03-20 | 2017-09-01 | 国网浙江省电力公司岱山县供电公司 | A kind of Antistatic alarm |
| CN107123235B (en) * | 2017-03-20 | 2022-12-06 | 国网浙江省电力公司岱山县供电公司 | Nearly electric alarm device |
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Granted publication date: 20141210 Termination date: 20160731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |