CN201522530U - Multi-functional electromagnetic signal detector - Google Patents
Multi-functional electromagnetic signal detector Download PDFInfo
- Publication number
- CN201522530U CN201522530U CN2009202098719U CN200920209871U CN201522530U CN 201522530 U CN201522530 U CN 201522530U CN 2009202098719 U CN2009202098719 U CN 2009202098719U CN 200920209871 U CN200920209871 U CN 200920209871U CN 201522530 U CN201522530 U CN 201522530U
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- throw switch
- pole double
- testing circuit
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Abstract
The utility model discloses a multi-functional electromagnetic signal detector, which comprises a receiving unit, a processing unit and an output display unit, wherein the receiving unit consists of an antenna, a frequency divider, a cable television adapter and a single-pole double-throw switch, wherein the antenna is connected with the frequency divider which is connected with one end of the single-pole double-throw switch, and the cable television adapter is connected with the other end of the single-pole double-throw switch; the processing unit consists of a power frequency detection circuit and a radio frequency detection circuit, wherein the power frequency detection circuit is connected with the frequency divider of the receiving unit, and the radio frequency detection circuit is connected the single-pole double-throw switch of the receiving unit; the output display unit consists of an analog-to-digital converter and an output displayer, wherein the input end of the analog-to-digital converter is respectively connected with the power frequency detection circuit and the radio frequency detection circuit of the processing unit, and the output end of the analog-to-digital converter is connected with the output displayer. The multi-functional electromagnetic signal detector has the advantage that various functions are integrated onto one instrument, thus being capable of greatly improving service efficiency of the instrument.
Description
Technical field
The utility model relates to electromagnetic signal detection technique field, concrete is a kind of multi-functional telecommunications signal sensor, electromagnetic radiation intensity in its both detectable environment, as comprise power frequency radiation and the mobile phone that household electrical appliance produce, the radio-frequency radiation of CATV (cable television) and broadcast transmission, the intensity of also detectable cable TV signal and all the other wired output radio-frequency apparatus.Be fit to different users and use, improved the service efficiency of traditional radiation detector greatly.
Background technology
Household electrical appliance such as TV, computing machine, refrigerator, air-conditioning etc., and the electromagnetic radiation of generation such as mobile phone, wireless base station, CATV (cable television) launching tower, broadcast singal may cause health problem.The mankind are in the discomfort that high-intensity electromagnetic radiation environment can cause health for a long time, comprise headache, dizziness, and trick is by sharp sense, and is absent minded, feels sick or the like, even even more serious symptom is arranged.
Electromagnetic radiation mainly divides two ranks, and one is the power frequency section, and frequency mainly is the radiation that household electrical appliance produce about civil power 50Hz.Another is a radio band, and frequency is more than 50MHz, and main source is a mobile phone, wireless base station, the radiation that CATV (cable television) launching tower and broadcast singal etc. produce.The safety standard of power frequency section radiation is less than 0.4uT, and the safety standard of radio band radiation is less than 10uW/cm2.In case the environmental radiation amount is greater than above-mentioned safety standard, the radiation meeting produces damaging influence to human body.Owing to be flooded with various electromagnetic radiation in our the residing environment, have the instrument of energy testing environment electromagnetic radiation to be very important.It can tell the electromagnetic radiation level of our environment of living in, thereby instructs us to change the present position or device location reduces the influence of electromagnetic radiation to health.
The equipment that can detect electromagnetic radiation at present on the market is a lot, and main difference is embodied in accuracy of detection, and how danger is alarmed and the product shape aspect.From user's angle, this electromagnetic radiation detector is mainly used in the radiation intensity of surveying family and office.Because the electromagnetic radiation source of family and office is relatively fixing, and the user is limited at the activity space in these two places, therefore in this fixing activity space, electromagnetic radiation intensity is more stable.After the user uses detector several times, known the electromagnetic radiation intensity of each position, can not use detection instrument to carry out radiation detection more repeatedly, therefore present electromagnetic radiation detector service efficiency be all lower.In order to improve the service efficiency of detection instrument, testing tool also should have other additional functions except the spacing electromagnetic radiation detecting function.
In the family the TV of normal use can accept cable TV signal and satellite TV signal, but can have the problem of the acknowledge(ment) signal degradation that signal weaker causes once in a while, but we do not have to detect the instrument of intensity of TV signal.In addition, there is radio-frequency apparatus the office space that has, and its radiofrequency signal spreads out of by wire cable, and we also need its signal power of instrument detecting.Therefore, if the intensity of the acquisition environment wireless electromagnetic radiation simultaneously of present electromagnetic signal detector and wired electromagnetic signal, its function will obviously be strengthened, and its service efficiency will improve greatly.
The utility model content
Technical problem to be solved in the utility model is, overcomes problems of the prior art, and the multifunction electromagnetic signal sensor of a kind of measurement environment electromagnetic radiation simultaneously and wired electromagnetic signal strength is provided.
In order to address the above problem the technical solution of the utility model is such:
The multifunction electromagnetic signal sensor comprises:
One receiving element
Receiving element is made up of antenna, frequency divider, cable television connector, single-pole double-throw switch (SPDT), and described antenna connects frequency divider, and described frequency divider connects single-pole double-throw switch (SPDT) one end, and described cable television connector connects the single-pole double-throw switch (SPDT) other end;
One processing unit
Processing unit is made up of power frequency testing circuit, radio frequency testing circuit, and described power frequency testing circuit connects the frequency divider of receiving element, and described radio frequency testing circuit connects the single-pole double-throw switch (SPDT) of receiving element;
One output display unit
The output display unit is made up of analog to digital converter, Output Display Unit, and the input end of described analog to digital converter is the power frequency testing circuit and the radio frequency testing circuit of connection processing unit respectively, and the output terminal of described analog to digital converter connects Output Display Unit.
Described cable television connector also is connected with connector converter.
Beneficial effect, detector described in the utility model is integrated into multiple function on the instrument, can improve the service efficiency of instrument greatly, the user both can be used for measuring the spacing electromagnetic radiation of family and working environment, can also be used to measuring the transmit signal strength of cable TV signal and professional radio-frequency apparatus.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a multifunction electromagnetic signal sensor structural system synoptic diagram described in the utility model.
Wherein: 1 antenna, 2 cable television connectors, 3 frequency dividers, 4 single-pole double-throw switch (SPDT)s, 5 power frequency testing circuits, 6 radio frequency testing circuits, 7 analog to digital converters, 8LCD Output Display Unit, 9 receiving elements, 10 processing units
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1
The described multifunctional signal detector of present embodiment comprises a receiving element 9, processing unit 10 and output display unit 11.Function to each unit is introduced below:
Receiving element is by antenna 1, cable television connector 2, and frequency divider 3 and single-pole double-throw switch (SPDT) 4 are formed.Antenna 1 is used for receiving the ELECTROMAGNETIC RADIATION SIGNATURE in space, comprises power frequency radiation and mobile phone that household electrical appliance produce, the radio-frequency radiation that cable tv broadcast etc. produce.Cable television connector 2 is used to receive the signal of CATV (cable television) or satellite television.Frequency divider 3 is used for power frequency radiation signal and the radio-frequency radiation signal separate processes that will detect.It still is the radiofrequency signal that cable television connector detects that single-pole double-throw switch (SPDT) 4 is used for selecting handling the radio-frequency radiation signal that antenna detects.
When this multifunction electromagnetic signal sensor was used for the acquisition environment radiation intensity, single-pole double-throw switch (SPDT) 4 was connected to the circuit of antenna 1 correspondence.Power frequency radiation and radio-frequency radiation in 1 while of the antenna acquisition environment, frequency divider 3 is separately handled power frequency radiation and radio-frequency radiation respectively.Power frequency testing circuit 5 and radio frequency testing circuit 6 are handled the intensity that detects power frequency radiation and radio-frequency radiation signal respectively, and by analog to digital converter 7 detected analog signal conversion is become can show and finally be presented at the digital signal of concrete numerical value on the screen of this multifunction electromagnetic signal sensor by the LCD Output Display Unit.Show power frequency component intensity (unit: uT) and radio-frequency (RF) signal strength (unit: uW/cm2) on the screen simultaneously.When power frequency component intensity greater than 0.4uT, screen shows " alarm " simultaneously; When radio-frequency (RF) signal strength greater than 10uW/cm2, screen shows " alarm " simultaneously, thereby allows the user clearly know the size and the extent of injury of environmental radiation.
When this multifunction electromagnetic signal sensor was used for the wire radio signal intensity, single-pole double-throw switch (SPDT) 4 was connected to the circuit of cable television connector 2 correspondences.This moment, power frequency testing circuit 5 and radio frequency testing circuit 6 were still worked simultaneously, the power frequency radiation signal in power frequency testing circuit 5 acquisition environments, and radio frequency testing circuit 6 is surveyed the radiofrequency signal that cable television connector 2 receives.The interference that the circuit that single-pole double-throw switch (SPDT) 4 is connected to cable television connector 2 correspondences also can avoid the radio-frequency radiation in the environment that wire signal is measured.The signal that radio frequency testing circuit 6 detects becomes digital signal by analog to digital converter 7 with analog signal conversion equally, finally outputs to LCD Output Display Unit 8 and shows the wire radio signal intensity (unit: dBm) that measures.
By above-mentioned specific embodiment as can be known, the utility model can be selected its working method by selecting single-pole double-throw switch (SPDT) 4, both can be used for the electromagnetic radiation intensity in the measurement environment, can also measure the intensity of cable TV signal.In addition, by using connector converter, change sub-miniature A connector or other joints as wired television set joint, the utility model also can be used for measuring the radio-frequency power of professional radio-frequency apparatus, all within the protection domain of this utility model.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; the utility model also has various changes and modifications under the prerequisite that does not break away from the utility model spirit and scope, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (2)
1. the multifunction electromagnetic signal sensor is characterized in that, comprising:
One receiving element
Receiving element is made up of antenna, frequency divider, cable television connector, single-pole double-throw switch (SPDT), and described antenna connects frequency divider, and described frequency divider connects single-pole double-throw switch (SPDT) one end, and described cable television connector connects the single-pole double-throw switch (SPDT) other end;
One processing unit
Processing unit is made up of power frequency testing circuit, radio frequency testing circuit, and described power frequency testing circuit connects the frequency divider of receiving element, and described radio frequency testing circuit connects the single-pole double-throw switch (SPDT) of receiving element;
One output display unit
The output display unit is made up of analog to digital converter, Output Display Unit, and the input end of described analog to digital converter is the power frequency testing circuit and the radio frequency testing circuit of connection processing unit respectively, and the output terminal of described analog to digital converter connects Output Display Unit.
2. multifunction electromagnetic signal sensor according to claim 1 is characterized in that described cable television connector also is connected with connector converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202098719U CN201522530U (en) | 2009-09-22 | 2009-09-22 | Multi-functional electromagnetic signal detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202098719U CN201522530U (en) | 2009-09-22 | 2009-09-22 | Multi-functional electromagnetic signal detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201522530U true CN201522530U (en) | 2010-07-07 |
Family
ID=42508708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202098719U Expired - Fee Related CN201522530U (en) | 2009-09-22 | 2009-09-22 | Multi-functional electromagnetic signal detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201522530U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447941A (en) * | 2010-10-09 | 2012-05-09 | Tcl集团股份有限公司 | Television electromagnetic radiation control system and control method thereof |
| 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 |
| CN103105539A (en) * | 2013-01-08 | 2013-05-15 | 深圳市环境监测中心站 | System and method of monitoring electromagnetic radiation |
| CN103543340A (en) * | 2013-10-08 | 2014-01-29 | 中国科学院城市环境研究所 | Simple electromagnetic environment warning indicator |
| 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 |
-
2009
- 2009-09-22 CN CN2009202098719U patent/CN201522530U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102447941A (en) * | 2010-10-09 | 2012-05-09 | Tcl集团股份有限公司 | Television electromagnetic radiation control system and control method thereof |
| 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 |
| CN103105539A (en) * | 2013-01-08 | 2013-05-15 | 深圳市环境监测中心站 | System and method of monitoring electromagnetic radiation |
| CN103543340A (en) * | 2013-10-08 | 2014-01-29 | 中国科学院城市环境研究所 | Simple electromagnetic environment warning indicator |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20120922 |