CN104931765A - Proximity alarm wrist guard - Google Patents
Proximity alarm wrist guard Download PDFInfo
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- CN104931765A CN104931765A CN201510371093.3A CN201510371093A CN104931765A CN 104931765 A CN104931765 A CN 104931765A CN 201510371093 A CN201510371093 A CN 201510371093A CN 104931765 A CN104931765 A CN 104931765A
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Abstract
The invention discloses a proximity alarm wrist guard, and relates to the technical field of electric power construction safety. The proximity alarm wrist guard includes a wrist guard body. A proximity alarm device is arranged in the center of the wrist guard body. A matching insulation pad is arranged between the proximity alarm device and the wrist guard body. The two ends of the wrist guard body are connected to sticking buckles which are formed by a smooth hair end and rough hair ends. The two ends of the wrist guard body are connected to the smooth hair end and the rough hair ends respectively. A proximity alarm circuit is arranged inside the proximity alarm device. The wrist guard is accurate in proximity safe alarming, is convenient to carry, use and operate, can automatically give an alarm, and ensures personal safety.
Description
Technical field
The present invention relates to power construction security technology area.
Background technology
Along with the progressively reinforcement of power grid construction, the closeness of work about electric power is increasing, causes electric power safety accident to happen occasionally.Unsafe behavior; the formidable enemy that power system security is produced; loosely, thinking ponders a problem the safety thought of some practitioner routinely, and awareness of safety is not strong; sense of self-protection is poor; assume as a matter of course, feel be safe from danger, can not have an accident; potential dangerous point, dangerous matter sources in operation, in operation at all without analyse, are underestimated the calamity that may cause or are not aware of at all.The carelessness general idea of staff may mistakenly entering into charged district and by mistake climb band electric pole, or illusion and error cause electric shock accidents.Existing managing security tools and instruments is also not enough to the safety ensureing the person and electrical network completely, stops the generation of accident.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of alarming in short range of electric power wrister, this wrister near point security alarm accurately, be easy to carry, easy to use, convenient operation, can automatic alarm, really ensure personal safety.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of alarming in short range of electric power wrister, comprise wrister body, Antistatic alarm is provided with in the middle part of described wrister body, described Antistatic alarm inside is provided with alarming in short range of electric power circuit, described alarming in short range of electric power circuit comprises induced electricity contact, resistance R1, R2, R3, R4, R5, R6, R7, R8, swept resistance RP, electric capacity C1, C2, C3, C4, triode Q1, Q2, Q3, field effect transistor Q4, chip IC, light emitting diode D1, hummer HA, power supply, the positive terminal of power supply is connected with power cathode through resistance R4, field effect transistor Q4, resistance R3, resistance R1, resistance R2 successively, induced electricity contact is connected to the node place of resistance R3 and R1, the drain electrode of field effect transistor Q4 is connected with resistance R4, the grid of field effect transistor Q4 is connected with resistance R3, the source electrode of field effect transistor Q4 is connected with the base stage of triode Q1, and the collector of triode Q1 is connected on the drain electrode of field effect transistor Q4 and the node place of resistance R4, the emitter of triode Q1 is connected with power cathode through swept resistance RP, and the sliding end of swept resistance RP is through the Node connectedness of electric capacity C1 and resistance R1 and R2, after electric capacity C2 and C3 connects, an end is connected on the grid of field effect transistor Q4 and the node place of resistance R3, the other end is connected on the node place of resistance R2 and swept resistance RP, the Node connectedness of the sliding end of electric capacity C4 one end and electric capacity C1 and slide rheostat, the other end and electric capacity C3 and slide rheostat Node connectedness, the base stage of triode Q2 is connected with the collector of triode Q1 through resistance R5, the collector of triode Q2 is through resistance R6, light emitting diode D1 is connected with positive source, the emitter of triode Q2 is connected with power cathode, the pin 1 of chip IC is connected with power cathode, the pin 2 of chip IC is connected with the collector of triode Q2, the pin 3 of chip IC is connected with the base stage of triode Q3 through resistance R7, the pin 4 of chip IC is connected with the collector of triode Q3 through hummer HA, and the pin 4 of chip IC also connects and positive source, the pin 5 of chip IC is connected with the pin 6 of chip IC through resistance R8, the emitter of triode Q3 is connected with power cathode.
Preferably, suitable insulation spacer is provided with between described Antistatic alarm and wrister body.
Preferably, described wrister body two ends are connected with magic tape, and described magic tape is by justifying hair end and seta end forms, and its wrister body two ends are connected to round hair end and seta end.
The beneficial effect adopting technique scheme to produce is: the induced signal received is carried out frontal chromatography process by the present invention, take out 50HZ power frequency component, exclude the interference signal through digital filtering, analyze its signal intensity, when reaching preset value, send alerting signal to receiving end, receiving end is reported to the police upon receipt of the signal, prompting subscriber equipment is close to forceful electric power, please note safety, alarming in short range of electric power circuit is only to more than 220V power frequency 50-60HZ early warning, circuit is anti-interference by digital filtering, reliable and stable, this equipment is mainly used in outdoor work, detection level can regulate as required, induced electricity contact receives the change of after-current voltage and causes the i.e. charged change of C1 electric capacity to cause swept resistance RP to change faint change adding up or reducing to cause and field effect transistor Q4 variable contact through continuous electric capacity Coulomb force, circuit different department in right side is caused to form path, change resistance by charge force thus change electric current and voltage through amplifying the equipment alarms such as chip IC, it is easy to carry, practical, use flexibly, convenient operation, can automatic alarm and ensuring personal safety further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is Fig. 1 alarming in short range of electric power circuit;
Wherein, 1 wrister body, 2 Antistatic alarms, 3 insulation spacers, 4 induced electricity contacts, 5 circle hair ends, 6 seta ends.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As depicted in figs. 1 and 2, the present invention is a kind of alarming in short range of electric power wrister, it is characterized in that: comprise wrister body 1, Antistatic alarm 2 is provided with in the middle part of described wrister body 1, suitable insulation spacer 3 is provided with between described Antistatic alarm 2 and wrister body 1, described wrister body 1 two ends are connected with magic tape, and described magic tape is by justifying hair end 5 and seta end 6 forms, and its wrister body 1 two ends are connected to round hair end 5 and seta end 6, described Antistatic alarm 2 inside is provided with alarming in short range of electric power circuit, described alarming in short range of electric power circuit comprises induced electricity contact 4, resistance R1, R2, R3, R4, R5, R6, R7, R8, swept resistance RP, electric capacity C1, C2, C3, C4, triode Q1, Q2, Q3, field effect transistor Q4, chip IC, light emitting diode D1, hummer HA, power supply, the positive terminal of power supply is connected with power cathode through resistance R4, field effect transistor Q4, resistance R3, resistance R1, resistance R2 successively, induced electricity contact 4 is connected to the node place of resistance R3 and R1, the drain electrode of field effect transistor Q4 is connected with resistance R4, the grid of field effect transistor Q4 is connected with resistance R3, the source electrode of field effect transistor Q4 is connected with the base stage of triode Q1, and the collector of triode Q1 is connected on the drain electrode of field effect transistor Q4 and the node place of resistance R4, the emitter of triode Q1 is connected with power cathode through swept resistance RP, and the sliding end of swept resistance RP is through the Node connectedness of electric capacity C1 and resistance R1 and R2, after electric capacity C2 and C3 connects, an end is connected on the grid of field effect transistor Q4 and the node place of resistance R3, the other end is connected on the node place of resistance R2 and swept resistance RP, the Node connectedness of the sliding end of electric capacity C4 one end and electric capacity C1 and slide rheostat, the other end and electric capacity C3 and slide rheostat Node connectedness, the base stage of triode Q2 is connected with the collector of triode Q1 through resistance R5, the collector of triode Q2 is through resistance R6, light emitting diode D1 is connected with positive source, the emitter of triode Q2 is connected with power cathode, the pin 1 of chip IC is connected with power cathode, the pin 2 of chip IC is connected with the collector of triode Q2, the pin 3 of chip IC is connected with the base stage of triode Q3 through resistance R7, the pin 4 of chip IC is connected with the collector of triode Q3 through hummer HA, and the pin 4 of chip IC also connects and positive source, the pin 5 of chip IC is connected with the pin 6 of chip IC through resistance R8, the emitter of triode Q3 is connected with power cathode.
Principle of work of the present invention:
The induced signal received is carried out frontal chromatography process by the present invention, take out 50HZ power frequency component, exclude the interference signal through digital filtering, analyze its signal intensity, when reaching preset value, send alerting signal to receiving end, receiving end is reported to the police upon receipt of the signal, prompting subscriber equipment, close to forceful electric power, please notes safety, and alarming in short range of electric power circuit is only to more than 220V power frequency 50-60HZ early warning, circuit is anti-interference by digital filtering, reliable and stable, this equipment is mainly used in outdoor work, and detection level can regulate as required; Induced electricity contact receives the change of after-current voltage and causes the i.e. charged change of C1 electric capacity to cause swept resistance RP to change faint change adding up or reducing to cause and field effect transistor Q4 variable contact through continuous electric capacity Coulomb force, circuit different department in right side is caused to form path, change resistance by charge force thus change electric current and voltage through amplifying the equipment alarms such as chip IC, it is easy to carry, practical, use flexibly, convenient operation, can automatic alarm and ensuring personal safety further.
When overhauling overhead power line and consumer, if can chimes of doom be sent within the scope of alarm distance, show power circuit or consumer charged, otherwise not charged; When judging low fire line pressing, zero line, on the insulation course with the close wherein single line of alarming in short range of electric power wrister, if sounding is then live wire; If alarming in short range of electric power wrister sends alerting signal close to during electric equipment casing, show that casing is charged or leak electricity; Maintenance and when detecting three-phase electricity aerial cable line, first should check limit mutually whether charged (namely the vertical lower of limit phase detects).Must be pointed out, below the middle phase that the operating personnel wearing alarming in short range of electric power wrister is in three-phase electricity, do not report to the police because electric field is cancelled out each other in a certain position (namely apart from the about location of equal of spacing of three phase lines), and this also just in time shows that three phase line is powered normally.As a disconnected phase or two-phase, electric field can not cancel each other, and above phenomenon there will not be; When operating personnel detects same bar (same to tower) transmission line of electricity or multilayer transmission line of electricity, whether that one deck transmission line of electricity that this product can accurately detect near near point alarming in short range of electric power wrister above it is charged, not by the interference of other layer of transmission line of electricity.
The present invention is provided with 3 electric pressures altogether, as shown in the table: its usable range is large, affected by environment little, long service life.
| Electric pressure kv | Safe distance m | Alarm distance m |
| 0.22/0.38 | 0.02 | 0.02-0.05 |
| 10 | 0.7 | 0.8-1.4 |
| 35 | 1.0 | 1.2-2.5 |
Claims (3)
1. an alarming in short range of electric power wrister, is characterized in that: comprise wrister body (1), and described wrister body (1) middle part is provided with Antistatic alarm (2), described Antistatic alarm (2) inside is provided with alarming in short range of electric power circuit, and described alarming in short range of electric power circuit comprises induced electricity contact (4), resistance R1, R2, R3, R4, R5, R6, R7, R8, swept resistance RP, electric capacity C1, C2, C3, C4, triode Q1, Q2, Q3, field effect transistor Q4, chip IC, light emitting diode D1, hummer HA, power supply, the positive terminal of power supply is connected with power cathode through resistance R4, field effect transistor Q4, resistance R3, resistance R1, resistance R2 successively, induced electricity contact (4) is connected to the node place of resistance R3 and R1, the drain electrode of field effect transistor Q4 is connected with resistance R4, the grid of field effect transistor Q4 is connected with resistance R3, the source electrode of field effect transistor Q4 is connected with the base stage of triode Q1, and the collector of triode Q1 is connected on the drain electrode of field effect transistor Q4 and the node place of resistance R4, the emitter of triode Q1 is connected with power cathode through swept resistance RP, and the sliding end of swept resistance RP is through the Node connectedness of electric capacity C1 and resistance R1 and R2, after electric capacity C2 and C3 connects, an end is connected on the grid of field effect transistor Q4 and the node place of resistance R3, the other end is connected on the node place of resistance R2 and swept resistance RP, the Node connectedness of the sliding end of electric capacity C4 one end and electric capacity C1 and slide rheostat, the other end and electric capacity C3 and slide rheostat Node connectedness, the base stage of triode Q2 is connected with the collector of triode Q1 through resistance R5, the collector of triode Q2 is through resistance R6, light emitting diode D1 is connected with positive source, the emitter of triode Q2 is connected with power cathode, the pin 1 of chip IC is connected with power cathode, the pin 2 of chip IC is connected with the collector of triode Q2, the pin 3 of chip IC is connected with the base stage of triode Q3 through resistance R7, the pin 4 of chip IC is connected with the collector of triode Q3 through hummer HA, and the pin 4 of chip IC also connects and positive source, the pin 5 of chip IC is connected with the pin 6 of chip IC through resistance R8, the emitter of triode Q3 is connected with power cathode.
2. alarming in short range of electric power wrister according to claim 1, is characterized in that: be provided with suitable insulation spacer (3) between described Antistatic alarm (2) and wrister body (1).
3. alarming in short range of electric power wrister according to claim 1, it is characterized in that: described wrister body (1) two ends are connected with magic tape, described magic tape is by justifying hair end (5) and seta end (6) forms, and its wrister body (1) two ends are connected to round hair end (5) and seta end (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371093.3A CN104931765A (en) | 2015-06-30 | 2015-06-30 | Proximity alarm wrist guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510371093.3A CN104931765A (en) | 2015-06-30 | 2015-06-30 | Proximity alarm wrist guard |
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| Publication Number | Publication Date |
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| CN104931765A true CN104931765A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510371093.3A Pending CN104931765A (en) | 2015-06-30 | 2015-06-30 | Proximity alarm wrist guard |
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| CN (1) | CN104931765A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885951A (en) * | 2017-03-30 | 2017-06-23 | 国家电网公司 | Sensing electro-detection safety alarm device during electrical equipment grounding failure |
| CN107402321A (en) * | 2017-09-15 | 2017-11-28 | 开滦能源化工股份有限公司吕家坨矿业分公司 | A kind of shockproof alarm circuit and wrist type Antistatic alarm |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786468A (en) * | 1972-09-22 | 1974-01-15 | M Moffitt | Electric field proximity safety alarm |
| CN2172479Y (en) * | 1993-06-17 | 1994-07-20 | 天津铁路分局古冶水电段工会职工技术协会 | Speaking alarming safety helmet when one being close to electricity |
| CN2329009Y (en) * | 1997-01-21 | 1999-07-14 | 厦门电力工贸有限公司 | Warning safety helment for electrician |
| CN2385394Y (en) * | 1999-08-13 | 2000-06-28 | 刘振 | Photoelectric source watch type alarm device |
| CN2674561Y (en) * | 2003-05-27 | 2005-01-26 | 许利凝 | Dual-purpose alarm for electricity and door lock |
| CN2706888Y (en) * | 2004-03-22 | 2005-06-29 | 义乌市供电局 | Intelligent speech alarm short circuit grounding wire |
| CN204719116U (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Alarming in short range of electric power wrister |
-
2015
- 2015-06-30 CN CN201510371093.3A patent/CN104931765A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786468A (en) * | 1972-09-22 | 1974-01-15 | M Moffitt | Electric field proximity safety alarm |
| CN2172479Y (en) * | 1993-06-17 | 1994-07-20 | 天津铁路分局古冶水电段工会职工技术协会 | Speaking alarming safety helmet when one being close to electricity |
| CN2329009Y (en) * | 1997-01-21 | 1999-07-14 | 厦门电力工贸有限公司 | Warning safety helment for electrician |
| CN2385394Y (en) * | 1999-08-13 | 2000-06-28 | 刘振 | Photoelectric source watch type alarm device |
| CN2674561Y (en) * | 2003-05-27 | 2005-01-26 | 许利凝 | Dual-purpose alarm for electricity and door lock |
| CN2706888Y (en) * | 2004-03-22 | 2005-06-29 | 义乌市供电局 | Intelligent speech alarm short circuit grounding wire |
| CN204719116U (en) * | 2015-06-30 | 2015-10-21 | 国家电网公司 | Alarming in short range of electric power wrister |
Non-Patent Citations (1)
| Title |
|---|
| 石家庄百鼎电气有限公司: "JD型电力安全帽专用近电预警（报警）器", 《百度文库》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885951A (en) * | 2017-03-30 | 2017-06-23 | 国家电网公司 | Sensing electro-detection safety alarm device during electrical equipment grounding failure |
| CN107402321A (en) * | 2017-09-15 | 2017-11-28 | 开滦能源化工股份有限公司吕家坨矿业分公司 | A kind of shockproof alarm circuit and wrist type Antistatic alarm |
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Application publication date: 20150923 |