CN108615334A - A kind of nearly electric induction groupcall prior-warning device - Google Patents
A kind of nearly electric induction groupcall prior-warning device Download PDFInfo
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- CN108615334A CN108615334A CN201810553220.5A CN201810553220A CN108615334A CN 108615334 A CN108615334 A CN 108615334A CN 201810553220 A CN201810553220 A CN 201810553220A CN 108615334 A CN108615334 A CN 108615334A
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- 230000006698 induction Effects 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims abstract description 5
- 230000005669 field effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000033228 biological regulation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
Classifications
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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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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses a kind of nearly electric induction groupcall prior-warning devices, to solve the problems, such as not realize the electric shock accidents generated less than safe distance with high-voltage line in the prior art.Including：After induced voltage being sensed by high-voltage electricity induction module, useful voltage is extracted by digital filtering, it is analyzed by MCU, judgement is when carrier enters risk distance, audio alert is carried out, and the warning message is sent to other nearly electric induction and calls prior-warning device by the wireless communication module by being connect with MCU.Advantageous effect includes：The nearly electric induction groupcall prior-warning device is not only convenient for carrying, and can send out early warning when service personnel is close to charging equipment, reminds operating personnel that danger.The portable auxiliary prior-warning device that other staff wear simultaneously can also be simultaneously emitted by alarm, can be on the scene in time, prevent operating personnel due to casualty accident of getting an electric shock caused by illusion and error.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to a kind of nearly electric induction groupcall prior-warning devices.
Background technology
In recent years with the expansion of power grid scale, technical merit and level of security to operating personnel have higher want
It asks.《State Grid Corporation of China's electric power safety working regulation》Middle regulation, safe distance when equipment portion has a power failure are：Voltage class 10kV
And below be 0.7m, voltage class 35kV be 1.00m, voltage class 110kV be 1.50m, voltage class 220kV be 3.00m.Cause
This, on the one hand will improve the level of site safety measure, reinforce personnel safety training；On the other hand to take advanced technology and
Equipment gives warning in advance, and operating personnel is helped to improve awareness of safety, avoids operating personnel that personal injury occurs.
When carrying out service work, due to equipment or staff's technical merit, the scope of activities of service personnel
Likely to be less than《State Grid Corporation of China's electric power safety working regulation》The safe distance of defined, still, since vision can not be accurate
Really judge that distance, service personnel oneself can not realize already less than safe distance.Due to some, service personnel is losing prison
Electric shock accidents occurs in the case of shield, other staff of substation possible first time is simultaneously unaware of personnel's electric shock, this is just wrong
The gold rescue time of personnel's first aid is spent.
Invention content
The embodiment of the present invention provides a kind of nearly electric induction groupcall prior-warning device, to solve service personnel in the prior art
The electric shock accidents generated less than safe distance with high-voltage line is not realized, and when service personnel is less than safe distance, other
The problem of personnel can not know, miss rescue opportunity.
The embodiment of the present invention provides a kind of nearly electric induction groupcall prior-warning device, including：Induction antenna and first resistor
(R1) it being connected with one end of second resistance (R2), the other end of first resistor (R1) is connect with one end of the second capacitance (C2), with
The grid of field-effect tube (VF) connects, one end of the other end and 3rd resistor (R3) and the first capacitance (C1) of second resistance (R2)
Connection, the other end of the second capacitance (C2) are connect with one end of third capacitance (C3), the other end and the 5th of the first capacitance (C1)
Resistance (R5) is connected with one end of the 4th capacitance (C4), and the other end of the 5th resistance (R5) and the data of Micro-processor MCV input
End connection, the ground level of the source level connecting triode (T) of field-effect tube (VF), the drain of field-effect tube (VF) and the 6th resistance (R6)
One end connection, the collector of triode (T) also connect with one end of the 6th resistance (R6), the other end company of the 6th resistance (R6)
The cathode of power supply is connect, the grade of penetrating of triode (T) is connect with one end of the 4th resistance (R4), 3rd resistor (R3), third capacitance
(C3), the 4th capacitance (C4), the 4th resistance (R4), the anode of power supply and the grounding ports of MCU are all connected to ground；Both ends of power point
It is not connect with the anode of the power input of MCU and negative terminal；The first I/O interfaces connection wireless communication module (G) of MCU, the of MCU
Two I/O interfaces connection connection voice module (Y).
Advantageous effect of the present invention includes：The nearly electric induction groupcall prior-warning device is not only convenient for carrying, and can overhaul
When personnel are close to charging equipment, early warning is sent out, reminds operating personnel that danger.What other staff wore simultaneously is portable
Auxiliary prior-warning device can also be simultaneously emitted by alarm, can be on the scene in time, prevent operating personnel from being caused due to illusion and error
Electric shock casualty accident.
Description of the drawings
Fig. 1 is the circuit diagram of the nearly electric induction groupcall prior-warning device in the embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of nearly electric induction groupcall prior-warning devices, below in conjunction with Figure of description to this hair
Bright preferred embodiment illustrates.
As shown in fig.1, a kind of nearly electric induction groupcall prior-warning device, including：Induction antenna and first resistor (R1) and
One end of second resistance (R2) connects, and the other end of first resistor (R1) is connect with one end of the second capacitance (C2), with field-effect
The grid connection of (VF) is managed, the other end of second resistance (R2) is connect with one end of 3rd resistor (R3) and the first capacitance (C1),
The other end of second capacitance (C2) is connect with one end of third capacitance (C3), the other end and the 5th resistance of the first capacitance (C1)
(R5) it is connected with one end of the 4th capacitance (C4), the other end of the 5th resistance (R5) and the data input pin of Micro-processor MCV connect
It connects, the ground level of the source level connecting triode (T) of field-effect tube (VF), the drain of field-effect tube (VF) and the one of the 6th resistance (R6)
End connection, the collector of triode (T) are also connect with one end of the 6th resistance (R6), the other end connection electricity of the 6th resistance (R6)
The grade of penetrating of the cathode in source, triode (T) is connect with one end of the 4th resistance (R4), 3rd resistor (R3), third capacitance (C3),
Four capacitances (C4), the 4th resistance (R4), the anode of power supply and the grounding ports of MCU are all connected to ground；Both ends of power respectively with MCU
The anode of power input connected with negative terminal；The first I/O interfaces connection wireless communication module (G) of MCU, the 2nd I/O of MCU connect
Mouth connection connection voice module (Y).
Specifically, after the portable secured high voltage induction module in precaution device senses high pressure, in the module
Loud speaker triggering alarm, while microcontroller persistently detect after to by bidirectional wireless communication module transmission wireless signal, having
After other portable secured wireless communication modules in precaution device in effect range receive wireless signal, it is transferred to microcontroller
Loudspeaker alarm is sent out after processing.
When nearly electric induction groupcall prior-warning device extracts by induction antenna the power frequency component of 50Hz, antenna induction voltage
It triggers field-effect tube VF to open, different from high tension voltage distance, collected induced voltage is of different sizes, the voltage incuded
Stable voltage is obtained after oversampling circuit amplifier.High tension voltage distance and the obtained voltage of induction in this way is linear.
Microcontroller excludes the interference signal by digital filtering, by MCU analyte signal intensities, when reaching preset value, that is, carries this dress
When the personnel of setting enter within the scope of risk distance, microcontroller is by being connected to I/O mouthfuls of wireless communication modules to other nearly electric induction
Groupcall prior-warning device sends out alarm signal, other precaution devices, which receive to send out after wireless signal, is simultaneously emitted by alarm, simultaneously
The voice module connected by I/O mouthfuls sends out audio alert prompt.Early warning system is only to the electricity of 50-60Hz of 220V or more power frequencies
Early warning is pressed, not to direct current, high frequency, electrostatic early warning.
Claims (1)
1. a kind of nearly electric induction groupcall prior-warning device, which is characterized in that including：Induction antenna and first resistor (R1) and second
One end of resistance (R2) connects, and the other end of first resistor (R1) is connect with one end of the second capacitance (C2), with field-effect tube
(VF) grid connection, the other end of second resistance (R2) are connect with one end of 3rd resistor (R3) and the first capacitance (C1), the
The other end of two capacitances (C2) is connect with one end of third capacitance (C3), the other end of the first capacitance (C1) and the 5th resistance (R5)
It is connected with one end of the 4th capacitance (C4), the other end of the 5th resistance (R5) and the data input pin of Micro-processor MCV connect, field
The ground level of the source level connecting triode (T) of effect pipe (VF), the drain of field-effect tube (VF) and one end of the 6th resistance (R6) connect
It connects, the collector of triode (T) is also connect with one end of the 6th resistance (R6), the other end connection power supply of the 6th resistance (R6)
The grade of penetrating of cathode, triode (T) is connect with one end of the 4th resistance (R4), 3rd resistor (R3), third capacitance (C3), the 4th electricity
Hold (C4), the 4th resistance (R4), the anode of power supply and the grounding ports of MCU to be all connected to ground；Both ends of power respectively with the electricity of MCU
The anode of source input is connected with negative terminal；2nd I/O interfaces of the first I/O interfaces connection wireless communication module (G) of MCU, MCU connect
Voice module (Y) is connect in succession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553220.5A CN108615334A (en) | 2018-05-31 | 2018-05-31 | A kind of nearly electric induction groupcall prior-warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553220.5A CN108615334A (en) | 2018-05-31 | 2018-05-31 | A kind of nearly electric induction groupcall prior-warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108615334A true CN108615334A (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553220.5A Pending CN108615334A (en) | 2018-05-31 | 2018-05-31 | A kind of nearly electric induction groupcall prior-warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118452862A (en) * | 2024-07-11 | 2024-08-09 | 国网山西省电力公司超高压变电分公司 | On-line monitoring method, system and device for emergency rescue |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062488A (en) * | 2014-07-09 | 2014-09-24 | 国网上海市电力公司 | Special high-voltage line type early warning device for safety helmet |
| CN204557724U (en) * | 2015-03-19 | 2015-08-12 | 国家电网公司 | Can the individual protector of protection against electric shock in advance |
| WO2018090924A1 (en) * | 2016-11-18 | 2018-05-24 | 深圳创维数字技术有限公司 | Over-voltage and reverse connection protection circuit and device thereof |
| CN208460149U (en) * | 2018-05-31 | 2019-02-01 | 国网宁夏电力有限公司中卫供电公司 | A kind of nearly electric induction groupcall prior-warning device |
-
2018
- 2018-05-31 CN CN201810553220.5A patent/CN108615334A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062488A (en) * | 2014-07-09 | 2014-09-24 | 国网上海市电力公司 | Special high-voltage line type early warning device for safety helmet |
| CN204557724U (en) * | 2015-03-19 | 2015-08-12 | 国家电网公司 | Can the individual protector of protection against electric shock in advance |
| WO2018090924A1 (en) * | 2016-11-18 | 2018-05-24 | 深圳创维数字技术有限公司 | Over-voltage and reverse connection protection circuit and device thereof |
| CN208460149U (en) * | 2018-05-31 | 2019-02-01 | 国网宁夏电力有限公司中卫供电公司 | A kind of nearly electric induction groupcall prior-warning device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118452862A (en) * | 2024-07-11 | 2024-08-09 | 国网山西省电力公司超高压变电分公司 | On-line monitoring method, system and device for emergency rescue |
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Application publication date: 20181002 |
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