CN106645984A - Electromagnetic wave over-limit alarming method and device - Google Patents
Electromagnetic wave over-limit alarming method and device Download PDFInfo
- Publication number
- CN106645984A CN106645984A CN201610978475.7A CN201610978475A CN106645984A CN 106645984 A CN106645984 A CN 106645984A CN 201610978475 A CN201610978475 A CN 201610978475A CN 106645984 A CN106645984 A CN 106645984A
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- CN
- China
- Prior art keywords
- electromagnetic wave
- output voltage
- probe
- chip microcomputer
- current distance
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- Legal status (The legal status 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 status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0857—Dosimetry, i.e. measuring the time integral of radiation intensity; Level warning devices for personal safety use
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
Abstract
The invention provides an electromagnetic wave over-limit alarming method and device, and relates to the technical field of electromagnetic wave detection. A electromagnetic wave probe is made to align to a standard electromagnetic wave source, and the distance between the standard electromagnetic wave source and the probe and the output voltage of the probe are recorded on some points. A curvilinear equation of the distance between the standard electromagnetic wave source and the probe and the output voltage of the probe is obtained by least-square fitting, and then the curvilinear equation is recorded in a single-chip microcomputer. An analog-to-digital conversion module is employed to convert the output voltage, of the electromagnetic wave source to be detected, detected by the probe into digital output voltage, the single-chip microcomputer works out the current distance corresponding to the digital output voltage according to the curvilinear equation, the current distance is compared with a given safe distance threshold value, if the current distance is in the alarm scope, an alarm unit is started. The whole system is advantaged by being sensitive in reaction, high in safety and low in cost. The electromagnetic wave over-limit alarming method and device can be widely applied to detection of wireless candid cameras, wireless tapping devices, indoor and outdoor environments such as residential buildings, and working environment having special requirements.
Description
Technical field
The present invention relates to Electromagnetic Wave Detection technical field, more particularly to a kind of electromagnetic wave overload alarm method and device.
Background technology
With development of modern scientific technology, various electronics, electrical equipment are that daily life and social construction are carried
Very big help is supplied.At the same time, the electromagnetic radiation and interference problem for producing in electronics, the electrical equipment course of work is govern again
The production and life of people, causes the electromagnetic environment of human living space to go from bad to worse.Electromagnetic radiation has so big harm
And electromagnetic radiation is ubiquitous, for healthy, the detection electromagnetic wave wave source finer also for living environment of people
Safe distance distance and away from the significant of electromagnetic radiation.
The content of the invention
A kind of electromagnetic wave overload alarm method and device is embodiments provided, to solve presence in prior art
Problem.
A kind of electromagnetic wave overload alarm method, methods described include：
Using electromagnetic wave alignment probe standard electromagnetic wave source, from the close-by examples to those far off the electromagnetic wave is recorded in each range points and visited
The output voltage of head, and record the distance between electromagnetic wave probe and standard electromagnetic wave source, obtains multigroup distance and multigroup
Corresponding output voltage；
The output voltage and electromagnetic wave probe and standard of the electromagnetic wave probe are obtained using least square fitting
The curvilinear equation of distance between electromagnetic wave source, then recorded the curvilinear equation for obtaining in single-chip microcomputer；
Using electromagnetic wave alignment probe electromagnetic wave source to be measured, the output electricity of the electromagnetic wave probe output emulation mode
After pressure, analog output voltage is converted to into digital output voltage by analog-to-digital conversion module, the single-chip microcomputer is according to record
Curvilinear equation calculates corresponding with digital output voltage current distance value, and by the safety of the current distance value and setting away from
It is compared from threshold value, if the current distance value is less than the safe distance threshold value, is sent out by the alarm unit of the single-chip microcomputer
Go out chimes of doom.
Preferably, in the test process to the standard electromagnetic wave source, visited using the electromagnetic wave in each range points
Head test 5 times, takes the output voltage that the meansigma methodss of the output voltage of 5 times are popped one's head in as the electromagnetic wave.
Preferably, when the single-chip microcomputer determines that the current distance value is less than the safe distance threshold value, the monolithic
Machine also sends the current distance value to display module, makes the display module show the current distance value.
Present invention also offers a kind of electromagnetic wave pressure out-of-limit alarming device, including the electromagnetic wave probe, modulus that are sequentially connected electrically
Modular converter, single-chip microcomputer and alarm unit, the electromagnetic wave probe detect the electromagnetism intensity of electromagnetic wave source to be measured, and produce corresponding
Emulation mode output voltage, the analog-to-digital conversion module by the electromagnetic wave pop one's head in produce analog output voltage be converted to
Digital output voltage, the single-chip microcomputer is according to the curvilinear equation calculating for pre-entering is corresponding with the digital output voltage
Electromagnetic wave pop one's head in and the electromagnetic wave source to be measured between current distance value, and by the current distance value with setting safe distance
Threshold value is compared, if the current distance value is less than the safe distance threshold value, is sent by the alarm unit of the single-chip microcomputer
Chimes of doom, wherein the curvilinear equation is the electromagnetic wave probe and standard electromagnetic wave source obtained using least square fitting
The distance between and the electromagnetic wave probe detect the standard electromagnetic wave source when output voltage between curve side
Journey.
Preferably, also include the display module with the monolithic mechatronics, the single-chip microcomputer it is determined that it is described it is current away from
When being less than the safe distance threshold value from value, also the current distance value is sent to the display module, so that the display
Module shows the current distance value.
Preferably, the analog-to-digital conversion module be ADC0832 modules, the single-chip microcomputer be STC12 single-chip microcomputers, the display
Module is LCD1602 modules.
Disclosed in the embodiment of the present invention, a kind of electromagnetic wave overload alarm method and device, electromagnetic wave alignment probe is detected
Object from the close-by examples to those far off, zooms out the output voltage that distance takes the distance and probe of a recording electromagnetic wave wave source and probe respectively.Using
Least square fitting obtains the curve popped one's head in a distance from wave source and the output voltage of probe between, then by method of least square
Fit equation is recorded in single-chip microcomputer, used as the functional relation of this kind of wave source.Using electromagnetic wave probe module and analog digital conversion
Module coordinates single-chip microcomputer warning system, and the level after being capable of achieving the magnitude of voltage of the instantaneous acquiring of electromagnetic wave and carrying out analog digital conversion enters
The data for being gathered and are processed by row transmission by single-chip microcomputer, by the matched curve for obtaining before calculate now away from
From being compared with given safe distance threshold values, if into starting single-chip microcomputer warning system if data alarm range.Report to the police
Device length is rung and sends sharp alarm song, to remind people that electromagnetic intensity is larger, harmful.Whole system has reaction spirit
The advantage of quick, safe, low cost.Can be widely applied to detection wireless to take on the sly device, radio bug, domestic premises indoor and outdoor
Working environment of environment and particular/special requirement etc., if having the strong electromagnetic radiation being detrimental to health.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
The step of Fig. 1 is a kind of electromagnetic wave overload alarm method provided in an embodiment of the present invention flow chart；
Fig. 2 is the circuit structure of electromagnetic wave probe in a kind of electromagnetic wave pressure out-of-limit alarming device provided in an embodiment of the present invention
Figure；
Fig. 3 is a kind of integrated circuit structure chart of electromagnetic wave pressure out-of-limit alarming device provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
With reference to Fig. 1, the invention provides a kind of electromagnetic wave overload alarm method, methods described includes：
Step 100, using electromagnetic wave alignment probe standard electromagnetic wave source, from the close-by examples to those far off records institute in each range points
The output voltage of electromagnetic wave probe is stated, and records the distance between the electromagnetic wave probe and standard electromagnetic wave source, obtained multigroup
Distance and multigroup corresponding output voltage.
Specifically, tested 5 times using electromagnetic wave probe in each range points in step 100, take the output electricity of 5 times
The output voltage that the meansigma methodss of pressure are popped one's head in as the electromagnetic wave.
Distance of the electromagnetic wave probe with standard electromagnetic wave source is set to y, the electromagnetic wave is popped one's head in by step 200
Output voltage is set to x, obtains the curvilinear equation between x and y using least square fitting, then remembers the curvilinear equation for obtaining
Record in single-chip microcomputer, as the functional relation of this kind of standard electromagnetic wave source.
Step 300, using electromagnetic wave alignment probe electromagnetic wave source to be measured, electromagnetic wave source to be measured should be and standard herein
Electromagnetic wave source is electromagnetic wave source of the same race.After the output voltage of the electromagnetic wave probe output emulation mode, by analog-to-digital conversion module
Analog output voltage is converted to into digital output voltage, the single-chip microcomputer is calculated and the number according to the curvilinear equation of record
The corresponding current distance value of word output voltage, and the current distance value is compared with the safe distance threshold value for setting, if institute
Current distance value is stated less than the safe distance threshold value, chimes of doom is sent by the alarm unit of the single-chip microcomputer.Otherwise described report
Alert unit does not do any response.While the single-chip microcomputer is when it is determined that the current distance value is less than the safe distance threshold value,
Also the current distance value is sent to display module, makes the display module show the current distance value.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of electromagnetic wave pressure out-of-limit alarming device, due to the dress
The principle for putting solution technical problem is similar with a kind of electromagnetic wave overload alarm method, therefore the enforcement of the device can refer to method
Implement, repeat part and repeat no more.
The electromagnetic wave pressure out-of-limit alarming device includes electromagnetic wave probe, analog-to-digital conversion module U1, single-chip microcomputer U2, alarm unit
With display module U3Composition.
With reference to Fig. 2, the electromagnetic wave is popped one's head in by inductance L1, resistance R1、R2、R3、R4、R5, electric capacity C1、C2、C3、C4、C5, three poles
Pipe Q1、Q2, diode D1、D2And light emitting diode D3Composition.Inductance L1, electric capacity C2, resistance R1, resistance R2, resistance R3, resistance
R4, electric capacity C4, diode D1With light emitting diode D3It is sequentially connected in series, wherein diode D1Negative pole and light emitting diode D3Positive pole
Connection, light emitting diode D3The outfan Uo that pops one's head in as the electromagnetic wave of negative pole.Inductance L1One end ground connection, inductance L1With
Electric capacity C2Between pass through electric capacity C1Ground connection, resistance R1And R2Between be connected with power supply VCC, resistance R3And R4Between with power supply VCC connect
Connect.Audion Q1Base stage be connected to electric capacity C2With resistance R1Between, colelctor electrode is connected to resistance R2With electric capacity C3Between, emitter stage
Ground connection.Audion Q2Base stage be connected to electric capacity C3With resistance R3Between, colelctor electrode is connected to resistance R4With electric capacity C4Between, transmitting
Pole is grounded.Electric capacity C4With diode D1Between pass through diode D2Ground connection, wherein diode D2Plus earth.Diode D1With send out
Optical diode D3Between electric capacity C in parallel5With resistance R5Ground connection.
The analog-to-digital conversion module U1For ADC0832 modules, the single-chip microcomputer U2For STC12 single-chip microcomputers, the display module
U3For LCD1602 modules.
With reference to Fig. 3, the output voltage of the electromagnetic wave probe outfan Uo is from the analog-to-digital conversion module U1Pin CH0
Input, its pin VCC connection power supply VCC, pin GND ground connection, pin DO are then connected to the single-chip microcomputer after being connected to pin DI
U2Pin P1.1 and the display module U3Pin E, pin CS is connected to the single-chip microcomputer U2Pin P1.2, pin
CLK is connected to the single-chip microcomputer U2P1.0 pins.The single-chip microcomputer U2Pin P1.3 connect the alarm unit, the report
Alert unit includes resistance R6、R7, audion Q3With speaker S1, resistance R6One end and the single-chip microcomputer U2Pin P1.3 connection,
The other end and audion Q3Base stage connection, audion Q3Colelctor electrode through resistance R7It is connected to power supply VCC, audion Q3's
Emitter stage is connected to speaker S1Input, speaker S1Output head grounding.
The single-chip microcomputer U2Pin RST/VPD by switch K1It is connected to power supply VCC, the switch K1Two ends are parallel with
Electric capacity C6, while pin RST/VPD is also through resistance R8Ground connection.
The single-chip microcomputer U2Pin XTAL1 and XTAL2 be connected across crystal oscillator O1Two ends, crystal oscillator O1Also
With the electric capacity C for connecting7And C8Parallel connection, while electric capacity C7And C8Indirectly.
The single-chip microcomputer U2Pin P2.0 and P2.1 respectively with the display module U3Pin RS and R/W connection, it is described
Single-chip microcomputer U2Pin P0.0, P0.1, P0.2, P0.3, P0.4, P0.5, P0.6 and P0.7 respectively with the display module U3Draw
Foot D0, D1, D2, D3, D4, D5, D6 and D7 connect, the display module U3Pin V0 be connected to swept resistance R9Travelling arm,
Swept resistance R9One end ground connection, the other end is connected with power supply VCC.
The single-chip microcomputer U2Pin GND ground connection, pin VCC is connected to power supply VCC, the display module U3Pin VSS
It is grounded with BLK, pin VDD and BLA are connected to power supply VCC.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the present invention can adopt complete hardware embodiment, complete software embodiment or with reference to the reality in terms of software and hardware
Apply the form of example.And, the present invention can be using the computer for wherein including computer usable program code at one or more
The computer program implemented in usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) is produced
The form of product.
The present invention be with reference to method according to embodiments of the present invention, equipment (system), and computer program flow process
Figure and/or block diagram are describing.It should be understood that can be by computer program instructions flowchart and/or each stream in block diagram
The combination of journey and/or square frame and flow chart and/or flow process and/or square frame in block diagram.These computer programs can be provided
The processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced for reality by the instruction of computer or the computing device of other programmable data processing devices
The device of the function of specifying in present one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or multiple square frames.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory is produced to be included referring to
Make the manufacture of device, the command device realize in one flow process of flow chart or one square frame of multiple flow processs and/or block diagram or
The function of specifying in multiple square frames.
These computer program instructions can be also loaded in computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented process, so as in computer or
The instruction performed on other programmable devices is provided for realizing in one flow process of flow chart or multiple flow processs and/or block diagram one
The step of function of specifying in individual square frame or multiple square frames.
, but those skilled in the art once know basic creation although preferred embodiments of the present invention have been described
Property concept, then can make other change and modification to these embodiments.So, claims are intended to be construed to include excellent
Select embodiment and fall into the had altered of the scope of the invention and change.
Obviously, those skilled in the art can carry out the essence of various changes and modification without deviating from the present invention to the present invention
God and scope.So, if these modifications of the present invention and modification belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising these changes and modification.
Claims (6)
1. a kind of electromagnetic wave overload alarm method, it is characterised in that methods described includes：
Using electromagnetic wave alignment probe standard electromagnetic wave source, from the close-by examples to those far off record what the electromagnetic wave was popped one's head in each range points
Output voltage, and the distance between the electromagnetic wave probe and standard electromagnetic wave source are recorded, obtain multigroup distance and multigroup correspondence
Output voltage；
The output voltage and electromagnetic wave probe and standard electromagnetism of the electromagnetic wave probe are obtained using least square fitting
The curvilinear equation of distance between wave source, then recorded the curvilinear equation for obtaining in single-chip microcomputer；
Using electromagnetic wave alignment probe electromagnetic wave source to be measured, the output voltage of the electromagnetic wave probe output emulation mode
Afterwards, analog output voltage is converted to into digital output voltage, the song of the single-chip microcomputer according to record by analog-to-digital conversion module
Line Equation for Calculating current distance value corresponding with the digital output voltage, and by the current distance value with setting safe distance
Threshold value is compared, if the current distance value is less than the safe distance threshold value, is sent by the alarm unit of the single-chip microcomputer
Chimes of doom.
2. the method for claim 1, it is characterised in that in the test process to the standard electromagnetic wave source, each
Using electromagnetic wave probe test 5 times in range points, take what the meansigma methodss of the output voltage of 5 times were popped one's head in as the electromagnetic wave
Output voltage.
3. the method for claim 1, it is characterised in that determine the current distance value less than described in the single-chip microcomputer
During safe distance threshold value, the single-chip microcomputer also sends the current distance value to display module, shows the display module
The current distance value.
4. a kind of electromagnetic wave pressure out-of-limit alarming device, it is characterised in that including the electromagnetic wave probe, analog digital conversion mould that are sequentially connected electrically
Block, single-chip microcomputer and alarm unit, the electromagnetic wave probe detect the electromagnetism intensity of electromagnetic wave source to be measured, and produce corresponding simulation
The output voltage of state, it is defeated that the analog output voltage that electromagnetic wave probe is produced is converted to numeral by the analog-to-digital conversion module
Go out voltage, the single-chip microcomputer calculates the electromagnetic wave corresponding with the digital output voltage according to the curvilinear equation for pre-entering
Current distance value between probe and the electromagnetic wave source to be measured, and the current distance value is entered with the safe distance threshold value for setting
Row compares, if the current distance value is less than the safe distance threshold value, sends chimes of doom by the alarm unit of the single-chip microcomputer,
Wherein described curvilinear equation is between the electromagnetic wave probe and standard electromagnetic wave source obtained using least square fitting
Curvilinear equation between the output voltage when the standard electromagnetic wave source is detected of distance and electromagnetic wave probe.
5. device as claimed in claim 4, it is characterised in that also include the display module with the monolithic mechatronics, institute
Single-chip microcomputer is stated when it is determined that the current distance value is less than the safe distance threshold value, also the current distance value is sent to institute
Display module is stated, so that the display module shows the current distance value.
6. device as claimed in claim 5, it is characterised in that the analog-to-digital conversion module is ADC0832 modules, the monolithic
Machine is STC12 single-chip microcomputers, and the display module is LCD1602 modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978475.7A CN106645984B (en) | 2016-11-08 | 2016-11-08 | Electromagnetic wave transfinite alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610978475.7A CN106645984B (en) | 2016-11-08 | 2016-11-08 | Electromagnetic wave transfinite alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106645984A true CN106645984A (en) | 2017-05-10 |
| CN106645984B CN106645984B (en) | 2020-01-21 |
Family
ID=58806420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610978475.7A Expired - Fee Related CN106645984B (en) | 2016-11-08 | 2016-11-08 | Electromagnetic wave transfinite alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645984B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0813068A1 (en) * | 1996-06-13 | 1997-12-17 | Eurocopter | Detecting and localising appliance for flaws in the electromagnetic protection of a system |
| CN103344844A (en) * | 2013-05-31 | 2013-10-09 | 国家电网公司 | Grid security warning terminal and warning method thereof |
| CN203799473U (en) * | 2014-04-22 | 2014-08-27 | 国家电网公司 | Safety belt capable of measuring electric power safety distance |
| CN104375190A (en) * | 2014-11-26 | 2015-02-25 | 武汉轻工大学 | Power line position information measuring device and method |
-
2016
- 2016-11-08 CN CN201610978475.7A patent/CN106645984B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0813068A1 (en) * | 1996-06-13 | 1997-12-17 | Eurocopter | Detecting and localising appliance for flaws in the electromagnetic protection of a system |
| CN103344844A (en) * | 2013-05-31 | 2013-10-09 | 国家电网公司 | Grid security warning terminal and warning method thereof |
| CN203799473U (en) * | 2014-04-22 | 2014-08-27 | 国家电网公司 | Safety belt capable of measuring electric power safety distance |
| CN104375190A (en) * | 2014-11-26 | 2015-02-25 | 武汉轻工大学 | Power line position information measuring device and method |
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| Publication number | Publication date |
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| CN106645984B (en) | 2020-01-21 |
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