CN208460149U - 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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- CN208460149U CN208460149U CN201820836644.8U CN201820836644U CN208460149U CN 208460149 U CN208460149 U CN 208460149U CN 201820836644 U CN201820836644 U CN 201820836644U CN 208460149 U CN208460149 U CN 208460149U
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Abstract
The utility model discloses a kind of nearly electric induction groupcall prior-warning devices, to solve the problems, such as not realizing in the prior art the electric shock accidents for being less than safe distance with high-voltage line and generating.It include: after sensing induced voltage by high-voltage electricity induction module, useful voltage is extracted by digital filtering, it is analyzed by MCU, determine 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 connecting with MCU.Beneficial effect includes: that the nearly electric induction groupcall prior-warning device is not only convenient for carrying, and can issue 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 as illusion and casualty accident of getting an electric shock caused by fault.
Description
Technical field
The utility model relates to electrical equipment technical field more particularly to a kind of nearly electric induction groupcall prior-warning devices.
Background technique
In recent years with the expansion of power grid scale, technical level and level of security to operating personnel have higher want
It asks.Regulation in " State Grid Corporation of China's electric power safety working regulation ", safe distance when equipment portion has a power failure are as follows: voltage class 10kV
And the following are 0.7m, voltage class 35kV is 1.00m, and voltage class 110kV is 1.50m, and voltage class 220kV is 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 level, the scope of activities of service personnel
Likely to be less than the safe distance of " State Grid Corporation of China's electric power safety working regulation " defined, still, since vision can not be quasi-
Really judge 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 where 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.
Summary of the invention
The utility model embodiment provides a kind of nearly electric induction groupcall prior-warning device, overhauls in the prior art to solve
Personnel do not realize the electric shock accidents for being less than safe distance with high-voltage line and generating, and when service personnel is less than safe distance,
The problem of other staff can not know, miss rescue opportunity.
The utility model embodiment provides a kind of nearly electric induction groupcall prior-warning device, comprising: induction antenna and the first electricity
Resistance (R1) is connected with one end of second resistance (R2), and the other end of first resistor (R1) is connect with one end of the second capacitor (C2),
It is connect with the grid of field-effect tube (VF), the one of the other end of second resistance (R2) and 3rd resistor (R3) and first capacitor (C1)
End connection, the other end of the second capacitor (C2) connect with one end of third capacitor (C3), the other end of first capacitor (C1) and the
Five resistance (R5) are connected with one end of the 4th capacitor (C4), and the other end of the 5th resistance (R5) and the data of Micro-processor MCV are defeated
Enter end connection, the ground level of the source level connecting triode (T) of field-effect tube (VF), the drain and the 6th resistance of field-effect tube (VF)
(R6) one end connection, the collector of triode (T) also connect with one end of the 6th resistance (R6), the 6th resistance (R6) it is another
The cathode of end connection power supply, the grade of penetrating of triode (T) are connect with one end of the 4th resistance (R4), 3rd resistor (R3), third electricity
Hold (C3), the 4th capacitor (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
It is connect respectively with the anode of the power input of MCU and negative terminal；The first I/O interface of MCU connects wireless communication module (G), MCU's
2nd I/O interface connection connection voice module (Y).
The utility model beneficial effect includes: that the nearly electric induction groupcall prior-warning device is not only convenient for carrying, and can be
When service personnel is close to charging equipment, early warning is issued, reminds operating personnel that danger.Other staff wear just simultaneously
Alarm can be also simultaneously emitted by by taking formula auxiliary prior-warning device, can be on the scene in time, be prevented operating personnel due to illusion and fault
Caused by get an electric shock casualty accident.
Detailed description of the invention
Fig. 1 is the circuit diagram of the nearly electric induction groupcall prior-warning device in the utility model embodiment.
Specific embodiment
The utility model embodiment provides a kind of nearly electric induction groupcall prior-warning device, below in conjunction with Figure of description pair
The preferred embodiment of the utility model is illustrated.
As shown in fig.1, a kind of nearly electric induction groupcall prior-warning device, comprising: 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 capacitor (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 first capacitor (C1),
The other end of second capacitor (C2) is connect with one end of third capacitor (C3), the other end and the 5th resistance of first capacitor (C1)
(R5) it is connected with one end of the 4th capacitor (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 one of the drain of field-effect tube (VF) and the 6th resistance (R6)
End connection, the collector of triode (T) are also connect with one end of the 6th resistance (R6), and the other end of the 6th resistance (R6) connects electricity
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 capacitor (C3),
Four capacitors (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 interface of MCU connects wireless communication module (G), and the 2nd I/O of MCU connects
Mouth connection connection voice module (Y).
Specifically, after the portable secured high voltage induction module in precaution device senses high pressure, in the module
Loudspeaker trigger alarm, while single-chip 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 single-chip microcontroller
Loudspeaker alarm is issued 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.
Single-chip microcontroller excludes the interference signal by digital filtering, by MCU analyte signal intensity, when the preset value is reached, that is, carries this dress
When the personnel of setting enter within the scope of risk distance, single-chip microcontroller is by being connected to I/O mouthfuls of wireless communication modules to other nearly electric induction
The sending alarm signal of groupcall prior-warning device, sending is simultaneously emitted by alarm after other precaution devices receive wireless signal, simultaneously
The voice module connected by I/O mouthfuls issues audio alert prompt.Early warning system is only to the electricity of 50-60Hz of 220V or more power frequency
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 characterized by comprising 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 capacitor (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 first capacitor (C1), the
The other end of two capacitors (C2) is connect with one end of third capacitor (C3), the other end of first capacitor (C1) and the 5th resistance (R5)
It is connected with one end of the 4th capacitor (C4), the other end of the 5th resistance (R5) and the data input pin of Micro-processor MCV connect, field
One end of the ground level of the source level connecting triode (T) of effect pipe (VF), the drain of field-effect tube (VF) and the 6th resistance (R6) connects
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 capacitor (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；The first I/O interface of MCU connects wireless communication module (G), and the 2nd I/O interface of MCU connects
Voice module (Y) is met in succession.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836644.8U CN208460149U (en) | 2018-05-31 | 2018-05-31 | A kind of nearly electric induction groupcall prior-warning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820836644.8U CN208460149U (en) | 2018-05-31 | 2018-05-31 | A kind of nearly electric induction groupcall prior-warning device |
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| Publication Number | Publication Date |
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| CN208460149U true CN208460149U (en) | 2019-02-01 |
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| CN201820836644.8U Active CN208460149U (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 |
|---|---|---|---|---|
| CN108615334A (en) * | 2018-05-31 | 2018-10-02 | 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 |
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2018
- 2018-05-31 CN CN201820836644.8U patent/CN208460149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108615334A (en) * | 2018-05-31 | 2018-10-02 | 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 |
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