CN109374983A - Electromagnetic radiation detector - Google Patents
Electromagnetic radiation detector Download PDFInfo
- Publication number
- CN109374983A CN109374983A CN201810225552.0A CN201810225552A CN109374983A CN 109374983 A CN109374983 A CN 109374983A CN 201810225552 A CN201810225552 A CN 201810225552A CN 109374983 A CN109374983 A CN 109374983A
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- Prior art keywords
- magnetic field
- electric field
- module
- alarm
- detection module
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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
-
- 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
-
- 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
- G01R29/12—Measuring electrostatic fields or voltage-potential
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measurement Of Radiation (AREA)
Abstract
The invention relates to an electromagnetic radiation detector, which comprises a main control module, and a storage module, a display module, an alarm module, an electric field/magnetic field change-over switch, an electric field detection module and a magnetic field detection module which are connected with the main control module; the electric field detection module consists of an electric field probe, an amplifying circuit and a signal processing circuit which are connected in sequence; the magnetic field detection module consists of a magnetic field probe, an amplification circuit and a signal processing circuit which are connected in sequence; and the signal processing circuits of the electric field detection module and the magnetic field detection module are connected to the main control module. The detector combines the two functions of electric field radiation detection and magnetic field radiation detection into a whole, can visually display the detected real-time electric field/magnetic field radiation value, and can know the radiation intensity of the device by comparing with the safe electric/magnetic radiation value, thereby providing a basis for people to adopt correct and effective radiation protection means; the alarm circuit further plays a role in reminding people.
Description
Technical Field
The invention relates to the field of electromagnetic field detection, in particular to an electromagnetic radiation detector.
Background
At present, with the common electronic products and wireless communication modes, electromagnetic radiation exists in various aspects of life, the electromagnetic radiation is divided into electric and magnetic fields, the electric and magnetic fields can be mutually converted but are also distinguished, and the electric field can affect the reproductive system, the brain, the eyesight and the like of people; the magnetic field can influence the blood circulation and nervous system of people, and the people is in stronger electromagnetic field for a long time, and health and spirit will receive great injury, has many electric radiation and magnetic radiation detection device on the market, and they are two independent equipment usually, can't realize going on when electromagnetic radiation detects, and the detection effect is not good.
Disclosure of Invention
In order to solve the technical problems, the invention provides an electromagnetic radiation detector, which is a mining intrinsic safety type electromagnetic radiation detector, successfully performs compatible tests on electric field radiation and magnetic field radiation to achieve the best detection effect, and is used for personal tests and understanding the electromagnetic radiation current situation of environments such as indoor household appliances, computers, electric wires, mobile phones, wireless equipment and the like, as well as outdoor transformer substations, high-voltage wires, transformers, machine rooms, mobile phone signal towers and the like. And the electromagnetic radiation is reasonably processed or effectively avoided according to the detection result, so that the individual is helped to keep away from the radiation and enter the health.
The invention is realized by the following technical scheme: an electromagnetic radiation detector comprises a main control module, a storage module, a display module, an alarm module, an electric field/magnetic field change-over switch, an electric field detection module and a magnetic field detection module; the storage module, the display module, the alarm module, the electric field/magnetic field change-over switch, the electric field detection module and the magnetic field detection module are all connected with the main control module; the electric field detection module consists of an electric field probe, an amplifying circuit and a signal processing circuit which are connected in sequence; the magnetic field detection module consists of a magnetic field probe, an amplifying circuit and a signal processing circuit which are connected in sequence; and the signal processing circuits of the electric field detection module and the magnetic field detection module are connected to the main control module.
The safety information of the electric field and the magnetic field is prestored in the storage module, when the electric field probe or the magnetic field probe detects a corresponding signal, the signal is transmitted to the respective amplifying circuit, the signal is amplified and transmitted to the corresponding signal processing circuit to be converted into a digital signal and then transmitted to the main control module to be processed, the main control module not only transmits the collected electric field or magnetic field intensity signal to the display module in a numerical value mode, but also calls the electric field/magnetic field safety value information prestored in the storage module to be displayed, compares the safety value with the collected electric field/magnetic field intensity signal, judges the safety of the collected electric field/magnetic field radiation, and transmits the electric field/magnetic field radiation to the alarm module to alarm if the safety value is exceeded.
The detector is of a handheld structure, a battery is arranged at the rear part of a shell of the detector and used for supplying power to the whole equipment, and a charging port is arranged on the side surface of the shell; the front surface of the shell is provided with a display screen, an electric field/magnetic field conversion switch button, a power switch, an alarm and a numerical value locking button, wherein the alarm 12 is connected with an alarm module; the electric field/magnetic field change-over switch button is connected with the electric field/magnetic field change-over switch; the display screen 9 is connected with the display module; the numerical locking button is connected with the main control module; the top of the shell is provided with a detection port, and an electric field probe and a magnetic field probe are arranged at the detection port.
The alarm is a sound alarm or a light alarm.
The invention has the beneficial effects that: the device combines the two functions of electric field radiation detection and magnetic field radiation detection into a whole, can visually display the detected real-time electric field/magnetic field radiation value in the detection process, and can know the radiation intensity of the device by comparing with the safe electric/magnetic radiation value, thereby providing a basis for people to adopt a correct and effective radiation protection means; the alarm circuit further plays a role in reminding people.
Drawings
Fig. 1 is a schematic structural principle diagram of an electromagnetic radiation detector.
Fig. 2 is a schematic structural diagram of an electromagnetic radiation detector.
FIG. 3 is a schematic diagram of an electromagnetic radiation detector circuit.
In the figure, 1, a main control module, 2, a storage module, 3, a display module, 4, an alarm module, 5, an electric field/magnetic field change-over switch, 6, an electric field detection module, 6-1, an electric field probe, 6-2, an amplification circuit, 6-3, a signal processing circuit, 7, a magnetic field detection module, 7-1, a magnetic field probe, 7-2, an amplification circuit, 7-3, a signal processing circuit, 8, a shell, 9, a display screen, 10, an electric field/magnetic field change-over switch button, 11, a power switch, 12, an alarm and 13 are numerical locking buttons.
Detailed Description
As shown in fig. 1, an electromagnetic radiation detector comprises a main control module 1, a storage module 2, a display module 3, an alarm module 4, an electric field/magnetic field change-over switch 5, an electric field detection module 6 and a magnetic field detection module 7; the storage module 2, the display module 3, the alarm module 4, the electric field/magnetic field change-over switch 5, the electric field detection module 6 and the magnetic field detection module 7 are all connected with the main control module 1; the electric field detection module 6 consists of an electric field probe 6-1, an amplification circuit 6-2 and a signal processing circuit 6-3 which are connected in sequence; the magnetic field detection module 7 consists of a magnetic field probe 7-1, an amplifying circuit 7-2 and a signal processing circuit 7-3 which are connected in sequence; the signal processing circuits 6-3 and 7-3 of the electric field detection module 6 and the magnetic field detection module 7 are both connected to the main control module 1.
The safety information of the electric field and the magnetic field is prestored in the storage module 2, when the electric field probe 6-1 or the magnetic field probe 7-1 detects corresponding signals, the signals are transmitted to the respective amplifying circuits 6-2 and 7-2, the signals are amplified and transmitted to the corresponding signal processing circuits 6-3 and 7-3 to be converted into digital signals, and then transmitted to the main control module 1 to be processed, the main control module 1 not only transmits the acquired electric field or magnetic field intensity signals to the display module 3 in a numerical value form, but also calls the electric field/magnetic field safety value information prestored in the storage module 2 to be displayed, compares the safety value with the acquired electric field/magnetic field intensity signals, judges the safety of the acquired electric field/magnetic field radiation, and transmits the electric field/magnetic field safety value information to the alarm module 4 to alarm if the safety value is exceeded.
As shown in fig. 2, the detector of the present invention is a hand-held structure, a battery is installed at the rear of a housing 8 of the detector to supply power to the whole device, and a charging port is arranged on the side surface; the front surface of the shell 8 is provided with a display screen 9, an electric field/magnetic field conversion switch button 10, a power switch 11, an alarm 12 and a numerical value locking button 13, wherein the alarm 12 is connected with the alarm module 4; the electric field/magnetic field change-over switch button 10 is connected with the electric field/magnetic field change-over switch 5; the display screen 9 is connected with the display module 3; the numerical locking button 13 is connected with the main control module 1; the top of the shell 8 is provided with a detection port, and the detection port is provided with an electric field probe 6-1 and a magnetic field probe 7-1.
The alarm is a sound alarm or a light alarm.
As shown in fig. 3, the electric field detection module 6 and the magnetic field detection module 7 are independent from each other, and are respectively provided with a general phase-locked loop circuit tone decoder LM567 for oscillation, modulation, demodulation, and remote control encoding and decoding; finally, respectively accessing the 19 th pin and the 21 st pin of the master control circuit module 1header14 x 2; the alarm indicator light LED is connected to the 25 th pin of the HEADER 14X 2, and the LCD of the display screen 9 is connected to the 7 th pin and the 26 th pin of the main control module 1HEADER 14X 2; the switch circuit selects an HEF4013 logic IC-two-way D trigger to provide 9V voltage for the main control module 1.
Examples
The following description of the embodiments is made using a CDC20-2000 model electromagnetic radiation detection apparatus. Wherein C represents the detector, DC represents electric field intensity, resistance magnetic field intensity, 20 represents the magnetic field range: 0.01 μ T to 19.99 μ T,2000 denotes the electric field range: 1V/m-1999V/m.
Explosion-proof type: the mine is intrinsically safe; explosion-proof sign: exibi. Size: 133mm × 71mm × 34mm; weight: 140 grams.
The application range is as follows: outdoor environment electromagnetic radiation test application: transformer substation, high-voltage line, transformer, distribution room, cable, mobile phone signal tower, television signal tower broadcast signal towers, etc. all electromagnetic radiation sources within the instrument test specification. Indoor environment electromagnetic radiation test application: computers, televisions, copiers, facsimile machines, air conditioners, refrigerators, speakers, washing machines, electrical wiring, power supplies, watches, wireless routers, and the like.
The technical indexes are as follows: the detector has the function of detecting an electric field and a magnetic field; electric field unit: v/m (volts/meter); magnetic field unit: μ T (microtesla); resolution ratio: electric field: 1V/m; magnetic field: 0.01 mu T; detection range: electric field: 1V/m-1999V/m; magnetic field: 0.01 mu T-19.99 mu T; the detector should have an alarm function, alarm value: electric field: 40V/m; magnetic field: 0.4 mu T; test bandwidth of the detector: 5 Hz-3500 MHz; and (3) prompting that the measurement range of the detector is out of limit: LCD displays "1"; the detector adopts a 6F22ND type loose mercury-free zinc-manganese battery, the rated working voltage is 9V, and the working current is less than or equal to 10mA; intrinsic safety parameters: one section of a 6F22ND type loose mercury-free zinc-manganese battery; UO:10.1VDC, io.
The working environment is as follows: in coal mines with the risk of methane explosions: the temperature is 0 to +40 ℃; relative temperature: less than or equal to 98 percent; atmospheric pressure: 80kPa to 116 kPa; the storage temperature is-40 to 60 ℃.
The measuring program method comprises the following steps:
a power switch is pressed down, an electric field/magnetic field detection conversion button is set, if V/m is displayed on the right side of a display screen, an electric field radiation test mode is set, if mu T is displayed on the right side of the display screen, a magnetic field radiation test mode is set, and the (electric field/magnetic field) mode can be switched at any time according to test requirements in the measurement process.
The handheld instrument slowly approaches the electromagnetic radiation source to be tested, and if the actual radiation value is within the instrument test technical index, the instrument displays a numerical value; if the instrument has no reading, the electromagnetic radiation value of the radiation source is less than the minimum reading of 1V/m or 0.01 mu T of the machine. The remote measurement can be carried out on high-voltage facilities, and the attention is paid to safety.
During the measurement process, the reading of the instrument is locked by continuously pressing the data holding button, and if the reading is not required to be locked, the button is released.
The occupational worker was exposed continuously daily for 8 hours with an environmental radiation tolerance of 14V/m or 100. Mu.T; the electromagnetic radiation value of public environment irradiation is not more than 10V/m or 0.4 mu T. The above two groups of data are only used for reference of users and have no legal effectiveness.
Claims (6)
1. An electromagnetic radiation detector is characterized by comprising a main control module, a storage module, a display module, an alarm module, an electric field/magnetic field change-over switch, an electric field detection module and a magnetic field detection module; the storage module, the display module, the alarm module, the electric field/magnetic field change-over switch, the electric field detection module and the magnetic field detection module are all connected with the main control module; the electric field detection module consists of an electric field probe, an amplification circuit and a signal processing circuit which are connected in sequence; the magnetic field detection module consists of a magnetic field probe, an amplification circuit and a signal processing circuit which are connected in sequence; and the signal processing circuits of the electric field detection module and the magnetic field detection module are connected to the main control module.
2. An electromagnetic radiation detector according to claim 1 wherein the detector has a housing, a battery is mounted to the rear of the housing to provide power to the apparatus, and a charging port is provided on the side; the front surface of the shell is provided with a display screen, an electric field/magnetic field conversion switch button, a power switch, an alarm and a numerical value locking button, wherein the alarm is connected with an alarm module; the electric field/magnetic field change-over switch button is connected with the electric field/magnetic field change-over switch; the display screen is connected with the display module; the numerical locking button is connected with the main control module; the top of the shell is provided with a detection port, and an electric field probe and a magnetic field probe are arranged at the detection port.
3. An electromagnetic radiation detector according to claim 2 wherein the alarm is an audible or light alarm.
4. An electromagnetic radiation detector according to claim 2 wherein said display is an LCD screen.
5. An electromagnetic radiation detector according to claim 2, characterized in that the electric field detection module and the magnetic field detection module are independent of each other and are respectively provided with a general phase-locked loop circuit tone decoder LM567 for oscillation, modulation, demodulation, and remote control encoding and decoding; finally, the master control module HEADER14 x 2 is accessed respectively; the alarm and the display screen are both connected to the master control module HEADER 14X 2; the switch circuit selects an HEF4013 logic IC-two-way D trigger to provide 9V voltage for the main control module.
6. An electromagnetic radiation detector according to claim 3 and wherein said light alarm is an LED.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225552.0A CN109374983A (en) | 2018-03-19 | 2018-03-19 | Electromagnetic radiation detector |
| PCT/CN2018/124929 WO2019179198A1 (en) | 2018-03-19 | 2018-12-28 | Electric/magnetic radiation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810225552.0A CN109374983A (en) | 2018-03-19 | 2018-03-19 | Electromagnetic radiation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109374983A true CN109374983A (en) | 2019-02-22 |
Family
ID=65403610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810225552.0A Withdrawn CN109374983A (en) | 2018-03-19 | 2018-03-19 | Electromagnetic radiation detector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109374983A (en) |
| WO (1) | WO2019179198A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632400A (en) * | 2019-10-21 | 2019-12-31 | 苏州迈尔斯电子有限公司 | Multifunctional electromagnetic field test pen |
| CN112993554A (en) * | 2021-02-19 | 2021-06-18 | 维沃移动通信有限公司 | Electronic device |
| CN113391253A (en) * | 2021-05-14 | 2021-09-14 | 浙江信测通信股份有限公司 | Device for measuring and evaluating electromagnetic radiation analyzer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2892023A1 (en) * | 2020-07-27 | 2022-02-01 | Univ Alcala Henares | DEVICE FOR SELF-PROTECTION AND MONITORING OF ELECTRIC AND MAGNETIC FIELDS (Machine-translation by Google Translate, not legally binding) |
| CN111999689B (en) * | 2020-08-20 | 2023-03-21 | 中国信息通信研究院 | Device and method for measuring and evaluating electromagnetic radiation analyzer and application |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006162290A (en) * | 2004-12-02 | 2006-06-22 | Sharp Corp | Magnetic field measuring apparatus, current measuring apparatus provided with it, and electrical field measuring apparatus |
| CN102841262A (en) * | 2011-06-21 | 2012-12-26 | 武汉市碧海云天环保科技有限责任公司 | Omni-directional intelligent comprehensive field intensity indicator |
| CN205067612U (en) * | 2015-11-11 | 2016-03-02 | 北京森馥科技股份有限公司 | Electromagnetic radiation monitoring system |
| CN107796992A (en) * | 2017-11-27 | 2018-03-13 | 武汉碧海云天科技股份有限公司 | A kind of rf electric field measuring probe and portable intelligent comprehensive electromagnetic field measurement instrument |
| CN208109942U (en) * | 2018-03-19 | 2018-11-16 | 徐州江煤科技有限公司 | Electromagnetic radiation detector |
-
2018
- 2018-03-19 CN CN201810225552.0A patent/CN109374983A/en not_active Withdrawn
- 2018-12-28 WO PCT/CN2018/124929 patent/WO2019179198A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632400A (en) * | 2019-10-21 | 2019-12-31 | 苏州迈尔斯电子有限公司 | Multifunctional electromagnetic field test pen |
| CN112993554A (en) * | 2021-02-19 | 2021-06-18 | 维沃移动通信有限公司 | Electronic device |
| CN113391253A (en) * | 2021-05-14 | 2021-09-14 | 浙江信测通信股份有限公司 | Device for measuring and evaluating electromagnetic radiation analyzer |
| CN113391253B (en) * | 2021-05-14 | 2023-07-07 | 浙江信测通信股份有限公司 | Metering and evaluating device of electromagnetic radiation analyzer |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019179198A1 (en) | 2019-09-26 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |
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| WW01 | Invention patent application withdrawn after publication |