CN202093100U - Electromagnetic radiation measurement instrument and electromagnetic radiation monitoring system - Google Patents
Electromagnetic radiation measurement instrument and electromagnetic radiation monitoring system Download PDFInfo
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- CN202093100U CN202093100U CN2011200991699U CN201120099169U CN202093100U CN 202093100 U CN202093100 U CN 202093100U CN 2011200991699 U CN2011200991699 U CN 2011200991699U CN 201120099169 U CN201120099169 U CN 201120099169U CN 202093100 U CN202093100 U CN 202093100U
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Abstract
The utility model discloses an electromagnetic radiation measurement instrument and an electromagnetic radiation monitoring system. The measurement instrument comprises an electromagnetic radiation sensor, a temperature sensor or/and a humidity sensor, a data processing module, a data repeater and a communication module, wherein the data processing module is used for receiving measurement signals of the electromagnetic radiation sensor and the temperature sensor or/and the humidity sensor and obtaining measurement information of a measured electric field or a magnetic field as well as temperature or/and humidity of a measured wireless environment; the data repeater is used for transmitting the measured intensity and temperature or/and humidity of an electromagnetic field to the communication module; and the communication module is used for transmitting the received measurement information to a remote end receiver. The electromagnetic radiation measurement instrument and the electromagnetic radiation monitoring system can automatically measure the electromagnetic radiation of a wireless base station.
Description
Technical field
The utility model belongs to the technology of instrument and meter field, relates to a kind of radiation survey meter, relates in particular to a kind of electromagnetic radiation measuring instrument; Simultaneously, the utility model also relates to a kind of electromagnetic radiation monitoring system.
Background technology
Develop rapidly along with radio communication, to dispose a large amount of wireless base station (as mobile communication base station, microwave relay station, TV control tower, satellite ground station etc.) in the city, bring more and more serious wireless electromagnetic radiation risk for zones such as public place, operation place, bring increasing challenge also for environmental monitoring, wireless supervision.
The method of measuring electromagnetic radiation pollution at present mainly is the electromagnetic radiation measuring method according to national standard, as mobile communication base station electromagnetic radiation environment monitoring method (trying), pass through manual type, use non-frequency-selecting type electromagnetic radiation measuring instrument or frequency-selecting type electromagnetic radiation measuring apparatus measures electric field intensity or magnetic field intensity, serviceability temperature meter and hygrometer are measured temperature and humidity simultaneously.
Electromagnetic radiation measuring instrument in the market, temperature and/or/hygrometer is the split design, does not have circuit to connect each other, as shown in Figure 1 and Figure 2.
There is following problem in present surveying instrument:
(1) adopt artificial non-frequency-selecting type broadband radiation measuring instrument or select the formula radiation survey meter to the electromagnetic pollution manual measurement of fixing a point frequently, efficient is low, is difficult to adapt to large scale measurement;
(2) in principle, the precision and the temperature/humidity of electromagnetic measurement are closely connected, and need use temperature/humidity instrumentation amount temperature/humidity when measuring electromagnetic radiation.Yet present electromagnetic radiation testing tool does not all have the temperature/humidity measurement function, is difficult to realize the full-automatic demand of electromagnetic radiation measuring;
(3) artificial reading of measurement data and record, workload is big, and efficient is low, and automaticity is low.
The utility model content
Technical problem to be solved in the utility model is: a kind of electromagnetic radiation measuring instrument is provided, can measures the electromagnetic radiation of wireless base station automatically.
In addition, the present invention further provides a kind of electromagnetic radiation monitoring system, the electromagnetic radiation that can measure the wireless base station automatically.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of electromagnetic radiation measuring instrument, described measuring instrument comprises:
Electromagnetic radiation sensor in order to the electromagnetic field in the measured wireless environment of perception, is converted to the spendable analog or digital signal of data processing module with electric field signal or field signal;
Temperature sensor is or/and humidity sensor, in order to the temperature of measuring monitored wireless environment or/and humidity, and with the temperature of perception or/and humidity is converted to the spendable analog or digital signal of data processing module;
Data processing module, connect described electromagnetic radiation sensor and temperature sensor or/and humidity sensor, in order to receiving electromagnetic radiation sensor and temperature sensor or/and the measuring-signal of humidity sensor, and obtain the metrical information in tested electric field or magnetic field, and the temperature of tested wireless environment is or/and humidity;
Headend connects described data processing module and communication module, in order to the electromagnetic intensity that will measure and temperature or/and humidity is passed to communication module;
Communication module sends to the receiver of far-end in order to the metrical information that will receive.
As a kind of preferred version of the present utility model, described measuring instrument further comprises data transmission channel, and described data transmission channel is for connecting the data channel of described headend and communication module.
As a kind of preferred version of the present utility model, described communication module is a wireless communication module; Described measuring instrument further comprises antenna, and the radiofrequency signal that is used for wireless communication module sends; Described antenna is external antenna or external antenna or built-in aerial.
As a kind of preferred version of the present utility model, described wireless communication module is connected with data processing module, is sent to data processing module in order to the power with wireless communication module output, eliminates the interference of the antenna of wireless communication module to electromagnetic radiation measuring.
As a kind of preferred version of the present utility model, between described antenna and wireless communication module, shield assembly is set, measuring instrument is measured the interference that produces in order to the shielding wireless communication module.
As a kind of preferred version of the present utility model, described shield assembly is the metal plate washer or has wooden baffle plate wiry.
As a kind of preferred version of the present utility model, described electromagnetic radiation sensor is external sensor or outer sensor or built-in sensors;
Described temperature sensor is or/and humidity sensor is external sensor or outer sensor or built-in sensors.
As a kind of preferred version of the present utility model, described communication module is wireless communication module or wire communication module; Described wireless communication module is gsm communication module or GPRS communication module or Edge communication module or WiFi communication module or WiMAX communication module or 3G communication module or 4G communication module or other communication modules.
A kind of electromagnetic radiation monitoring system, described measuring system comprise electromagnetic radiation measuring instrument, the monitoring server that is provided with near the wireless base station, and described electromagnetic radiation measuring instrument is connected with monitoring server;
Described electromagnetic radiation measuring instrument comprises:
Electromagnetic radiation sensor in order to the electromagnetic field in the measured wireless environment of perception, is converted to the spendable analog or digital signal of data processing module with electric field signal or field signal;
Temperature sensor is or/and humidity sensor, in order to the temperature of measuring monitored wireless environment or/and humidity, and with the temperature of perception or/and humidity is converted to the spendable analog or digital signal of data processing module;
Data processing module, connect described electromagnetic radiation sensor and temperature sensor or/and humidity sensor, in order to receiving electromagnetic radiation sensor and temperature sensor or/and the measuring-signal of humidity sensor, and obtain the metrical information in tested electric field or magnetic field, and the temperature of tested wireless environment is or/and humidity;
Headend connects described data processing module and communication module, in order to the electromagnetic intensity that will measure and temperature or/and humidity is passed to communication module;
Communication module sends to the receiver of far-end in order to the metrical information that will receive.
As a kind of preferred version of the present utility model, described measuring instrument further comprises data transmission channel, and described data transmission channel is for connecting the data channel of described headend and communication module;
Described communication module is a wireless communication module; Described measuring instrument further comprises antenna, and the radiofrequency signal that is used for wireless communication module sends; Described antenna is external antenna or external antenna or built-in aerial;
Described wireless communication module is connected with data processing module, is sent to data processing module in order to the power with wireless communication module output;
Between described antenna and wireless communication module, shield assembly is set, measuring instrument is measured the interference that produces in order to the shielding wireless communication module; Described shield assembly is the metal plate washer or has wooden baffle plate wiry.
The beneficial effects of the utility model are: electromagnetic radiation measuring instrument that the utility model proposes and electromagnetic radiation monitoring system, the electromagnetic radiation that can measure the wireless base station automatically.
The utility model electromagnetic radiation measuring instrument is provided with two external, external or built-in sensors at least, is used for perception electromagnetic intensity, temperature and humidity; At least be provided with external, an external or built-in antenna, be used for measurement data being sent to the receiver of far-end by air interface; Perhaps alternatively, have a wired communication interface at least, be used for measurement data being sent to the receiver of far-end by cable network.
Simultaneously, the utility model measuring instrument is realized measurement function and communication function respectively by two parts circuit function; Measuring instrument possesses the electromagnetic radiation measuring function simultaneously, temperature and humidity is measured and communication function.
In addition, utilize the power of communication module output to eliminate of the interference of the antenna of communication module, make the wireless base station of electromagnetic radiation automatic measuring instrument monitoring use identical Radio Transmission Technology with communication module to electromagnetic radiation measuring.Shield assembly can also be installed to reduce the interference of communication module to measurement module near the antenna of wireless communication module.
Description of drawings
Fig. 1 is the composition synoptic diagram of existing electromagnetic radiation measuring instrument.
Fig. 2 is the composition synoptic diagram of existing temperature/humidity meter.
Fig. 3 is the composition synoptic diagram of the utility model electromagnetic radiation measuring instrument.
Fig. 4 is the composition synoptic diagram of the utility model electromagnetic radiation monitoring system.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 3, the utility model has disclosed a kind of electromagnetic radiation measuring instrument, comprises the shield assembly 8 of electromagnetic radiation sensor 1, temperature sensor 2, humidity sensor 3, data processing module 4, headend 5, data transmission channel 6, communication module 7, antenna 9 and antenna.Certainly, the utility model also can only be provided with in temperature sensor 2, the humidity sensor 3 one; In addition, temperature sensor 2, humidity sensor 3 also can be integrated into single-sensor, i.e. temperature/humidity sensor, sense temperature and humidity simultaneously.
[electromagnetic radiation sensor]
[temperature sensor, humidity sensor]
[data processing module]
Data processing module 4 is in order to the measuring-signal of receiving electromagnetic radiation sensor 1, temperature sensor 2 and humidity sensor 3, and obtain the measuring amount of the nominal electromagnetic intensity such as average power, peak power in tested electric field or magnetic field and the temperature and humidity of tested wireless environment.This module has the optional function of interference eliminated, eliminate the interference that the antenna emitted power of communication module causes in the electromagnetic power that the transmitted power of utilizing communication module output receives electromagnetic radiation sensor, thereby make the wireless base station of this electromagnetic radiation automatic measuring instrument monitoring use identical Radio Transmission Technology with communication module.Electromagnetic radiation sensor 1 can also be connected with data processing module 4 by the radio frequency processing link.
[headend]
Headend 5 passes to communication module with electromagnetic intensity, temperature, humidity even the Measuring Time that measures by data channel for realizing the interface of data processing module and data transmission channel.
[data transmission channel]
Data transmission channel 6 connects the data channel of measurement function module and communication module.Be installed in same geographic position as measurement function module and communication module, then data transmission channel can be to be similar to bus-structured physical connection; Be installed in diverse geographic location to reduce the interference that communication module produces the measurement function module as measurement function module and communication module, then can be by the serial or parallel passage of wired or wireless interface realizations such as USB interface.
[communication module]
Communication module 7 can be a wireless communication module, the measuring amount of data transmission channel transmission is sent to the receiver module of far-end by the radio communication air interface.This wireless communication module comprises radio communication network interface cards such as GSM/GPRS/Edge/WiFi/WiMAX/3G/4G.Wireless communication module must external, external or built-in aerial.
Communication module 7 also can be a wire communication module, and must dispose the interface module of wired transmission link this moment, is used for measuring amount is sent to by wireline communication network the receiver module of far-end.
[antenna and shield assembly]
When communication module was wireless communication module, described measuring instrument can also comprise the shield assembly 8 of antenna 9 and antenna.The radiofrequency signal that antenna 9 is used for wireless communication module sends, can be external, external or built-in.When the working frequency range of the working frequency range of communication module and monitored base stations near the time, communication module can produce very important interference to the high-acruracy survey of measurement module, at this moment, shield assembly 8 (as the metal plate washer, have wooden baffle plate wiry etc.) optionally is installed, to reduce the interference of communication module to measurement module.
Embodiment two
The utility model discloses a kind of electromagnetic radiation monitoring system, and described measuring system comprises measuring instrument, monitoring server, and described measuring instrument is connected with monitoring server; Described measuring instrument is near the wireless base station setting.
The composition of described measuring instrument can be referring to embodiment one.Measuring instrument comprises: electromagnetic radiation sensor, temperature sensor, humidity sensor, data processing module, headend, data transmission channel, communication module.
Electromagnetic radiation sensor is converted to the spendable analog or digital signal of data processing module in order to the electromagnetic field in the measured wireless environment of perception with electric field signal or field signal;
Temperature sensor or/and humidity sensor in order to the temperature of measuring monitored wireless environment or/and humidity, and with the temperature of perception or/and humidity is converted to the spendable analog or digital signal of data processing module;
Data processing module connects described electromagnetic radiation sensor and temperature sensor or/and humidity sensor, in order to receiving electromagnetic radiation sensor and temperature sensor or/and the measuring-signal of humidity sensor, and obtain the metrical information in tested electric field or magnetic field, and the temperature of tested wireless environment is or/and humidity;
Headend connects described data processing module and communication module, in order to the electromagnetic intensity that will measure and temperature or/and humidity is passed to communication module;
Described data transmission channel is for connecting the data channel of described headend and communication module;
Communication module sends to the receiver of far-end in order to the metrical information that will receive.
When described communication module was wireless communication module, described measuring instrument may further include antenna, and the radiofrequency signal that this antenna is used for wireless communication module sends; Described antenna is external antenna or external antenna or built-in aerial.Described wireless communication module is connected with data processing module, and the power that wireless communication module is exported is sent to data processing module.In addition, can also between described antenna and wireless communication module, shield assembly be set, measuring instrument be measured the interference that produces in order to the shielding wireless communication module; Described shield assembly is the metal plate washer or has wooden baffle plate wiry.
Embodiment three
The utility model discloses a kind of wireless base station electromagnetic radiation monitoring system, and the topological diagram of this monitoring system as shown in Figure 4.
(1) installation of electromagnetic radiation automatic measuring instrument
A plurality of electromagnetic radiation automatic measuring instruments are deployed near the monitored wireless base station assigned address.Typical installation method comprises:
1.1 suspension type is installed in above near the building in detected base station, the electric pole etc.;
1.2 it is may affected protection target in the scope of center radius 50m that the installation site generally is laid in the emitting antenna, can suitably adjust a position according to the site environment situation.Specific position preferentially be laid in the public can the reach antenna the most nearby, also can select monitoring site according to various objectives.When the mobile communication base station emitting antenna was directional antenna, then the laying of monitoring site was located in the antenna main lobe direction in principle;
1.3 will avoid the interference of the radiation source that indoor mobile phone etc. brings during addressing;
1.4 be erected at the base station of roof for emitting antenna, in the movable scope of the roof public, lay monitoring site;
1.5 probe (antenna) tip is (or foothold) 1.7m apart from ground.According to difference monitoring purpose, can adjust measuring height;
1.6 the measurement mechanism of automatic measuring instrument and communicator can be installed in same position, also can be different devices, to reduce the influence of communicator to measuring accuracy.
(2) set up data transmission network
This data transmission network can be existing cordless communication network, as wireless communication networks such as GSM/GPRS/Edge/WiFi/WiMAX/3G/4G.Can be wireline communication network also, as DSL, Ethernet etc.
(3) set up tested mobile communication base station basic information database in the network control center
This database is provided by detected base station operator:
Mobile communication base station title, numbering, construction place, construction unit, type;
Transmitter model, transmit frequency range, nominal power, actual emission power;
Parameters such as number of antennas, antenna model, antenna carrier frequency number, antenna gain, The Research of Antenna Polarization, antenna installation mode, head tower mast type (steel tower, Guywire tower, single-pipe tower etc.), antenna terrain clearance, antenna directional angle, antenna elevation angle, horizontal half-power angle, vertical half-power angle.
(4) the electromagnetic radiation automatic measuring instrument is measured the electromagnetic radiation of institute's base stations detected
Measuring Time and reading: measuring terminals is arranged at average mode, and each test duration is no less than 6min, and serial sampling data acquisition sampling rate is 2 times/s.
Measurement result: comprise that electromagnetic intensity, environment temperature, relative humidity, monitoring begin the concluding time etc.
(5) network control center
5.1 the weather conditions during the recorder measurement data;
5.2 the monitoring site synoptic diagram of record measuring terminals in the mobile communication base station emitting antenna is center radius 50m scope, the position in mark mobile communication base station and other Electromagnetic Launching sources.
5.3 the distance of record monitoring site and mobile communication base station emitting antenna
5.4 data processing
5.41 (or a certain period in) average field-strength (each measurement will be removed mean value after repeatedly measuring) repeatedly measured of adding up 24 hours
5.42 can add up maximal value Emax, minimum value Emin in each measurement as required respectively, the field intensity value E (50%) that is no more than in 50%, 80% and 95% time, E (80%) and E (95%).
5.43 draw the electromagnetic radiation field pattern as required, as time-the corresponding curve of field intensity.
5.5 produce the monitoring report
5.51 essential information
5.511 record mobile communication base station title, numbering, construction unit, mobile communication base station type, transmit frequency range, power parameters such as (W).
5.512 record environment temperature, relative humidity, weather conditions.
5.513 record monitoring beginning concluding time, surveying instrument.
5.514 draw the monitoring site floor map.
5.52 monitoring result
Monitoring result is with power density (W/m2 or μ W/cm2) or electric field intensity (V/m) expression.
5.53 report to the police
As the electromagnetic intensity of finding monitored base stations surpass predefined thresholding then by data network or in overcoming mind-set report to the police to the network center of radio management office.To arrive near the specific base after no pipe office receives a crime report, and utilize frequency-selecting type electromagnetic radiation measuring instrument further to measure, and definite interference source.
In sum, electromagnetic radiation measuring instrument that the utility model proposes and electromagnetic radiation monitoring system, the electromagnetic radiation that can measure the wireless base station automatically.
The utility model electromagnetic radiation measuring instrument is provided with two external, external or built-in sensors at least, is used for perception electromagnetic intensity, temperature and humidity; At least be provided with external, an external or built-in antenna, be used for measurement data being sent to the receiver of far-end by air interface; Perhaps alternatively, have a wired communication interface at least, be used for measurement data being sent to the receiver of far-end by cable network.
Simultaneously, the utility model measuring instrument is realized measurement function and communication function respectively by two parts circuit function; Measuring instrument possesses the electromagnetic radiation measuring function simultaneously, temperature and humidity is measured and communication function.
In addition, utilize the power of communication module output to eliminate of the interference of the antenna of communication module, make the wireless base station of electromagnetic radiation automatic measuring instrument monitoring use identical Radio Transmission Technology with communication module to electromagnetic radiation measuring.Shield assembly can also be installed to reduce the interference of communication module to measurement module near the antenna of wireless communication module.
Here description of the present utility model and application are illustrative, are not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change are possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present utility model or essential characteristic, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change here to disclosed embodiment.
Claims (10)
1. an electromagnetic radiation measuring instrument is characterized in that, described measuring instrument comprises:
Electromagnetic radiation sensor in order to the electromagnetic field in the measured wireless environment of perception, is converted to the spendable analog or digital signal of data processing module with electric field signal or field signal;
Temperature sensor is or/and humidity sensor, in order to the temperature of measuring monitored wireless environment or/and humidity information, and with the temperature of perception or/and humidity information is converted to the spendable analog or digital signal of data processing module;
Data processing module, connect described electromagnetic radiation sensor and temperature sensor or/and humidity sensor, in order to receiving electromagnetic radiation sensor and temperature sensor or/and the measuring-signal of humidity sensor, and obtain the strength information in tested electric field or magnetic field, and the temperature of tested wireless environment is or/and humidity information;
Headend connects described data processing module and communication module, in order to the electromagnetic intensity that will measure and temperature or/and humidity information is passed to communication module;
Communication module sends to the receiver of far-end in order to the metrical information that will receive.
2. electromagnetic radiation measuring instrument according to claim 1 is characterized in that:
Described measuring instrument further comprises data transmission channel, and described data transmission channel is for connecting the data channel of described headend and communication module.
3. electromagnetic radiation measuring instrument according to claim 1 is characterized in that:
Described communication module is a wireless communication module;
Described measuring instrument further comprises antenna, and the radiofrequency signal that is used for wireless communication module sends; Described antenna is external antenna or external antenna or built-in aerial.
4. electromagnetic radiation measuring instrument according to claim 3 is characterized in that:
Described wireless communication module is connected with data processing module, and the power that wireless communication module is exported is sent to data processing module, eliminates the interference of the antenna of wireless communication module to electromagnetic radiation measuring.
5. electromagnetic radiation measuring instrument according to claim 3 is characterized in that:
Between described antenna and wireless communication module, shield assembly is set, measuring instrument is measured the interference that produces in order to the shielding wireless communication module.
6. electromagnetic radiation measuring instrument according to claim 3 is characterized in that:
Described shield assembly is the metal plate washer or has wooden baffle plate wiry.
7. electromagnetic radiation measuring instrument according to claim 1 is characterized in that:
Described electromagnetic radiation sensor is external sensor or outer sensor or built-in sensors;
Described temperature sensor is or/and humidity sensor is external sensor or outer sensor or built-in sensors.
8. electromagnetic radiation measuring instrument according to claim 1 is characterized in that:
Described communication module is wireless communication module or wire communication module;
Described wireless communication module is gsm communication module or GPRS communication module or Edge communication module or WiFi communication module or WiMAX communication module or 3G communication module or 4G communication module.
9. an electromagnetic radiation monitoring system is characterized in that, described measuring system comprises electromagnetic radiation measuring instrument, the monitoring server that is provided with near the wireless base station, and described electromagnetic radiation measuring instrument is connected with monitoring server; Described electromagnetic radiation measuring instrument comprises:
Electromagnetic radiation sensor in order to the electromagnetic field in the measured wireless environment of perception, is converted to the spendable analog or digital signal of data processing module with electric field signal or field signal;
Temperature sensor is or/and humidity sensor, in order to the temperature of measuring monitored wireless environment or/and humidity, and with the temperature of perception or/and humidity is converted to the spendable analog or digital signal of data processing module;
Data processing module, connect described electromagnetic radiation sensor and temperature sensor or/and humidity sensor, in order to receiving electromagnetic radiation sensor and temperature sensor or/and the measuring-signal of humidity sensor, and obtain the metrical information in tested electric field or magnetic field, and the temperature of tested wireless environment is or/and humidity;
Headend connects described data processing module and communication module, in order to the electromagnetic intensity that will measure and temperature or/and humidity is passed to communication module;
Communication module sends to the receiver of far-end in order to the metrical information that will receive.
10. electromagnetic radiation monitoring according to claim 9 system is characterized in that:
Described measuring instrument further comprises data transmission channel, and described data transmission channel is for connecting the data channel of described headend and communication module;
Described communication module is a wireless communication module; Described measuring instrument further comprises antenna, and the radiofrequency signal that is used for wireless communication module sends; Described antenna is external antenna or external antenna or built-in aerial;
Described wireless communication module is connected with data processing module, and the power that wireless communication module is exported is sent to data processing module;
Between described antenna and wireless communication module, shield assembly is set, measuring instrument is measured the interference that produces in order to the shielding wireless communication module; Described shield assembly is the metal plate washer or has wooden baffle plate wiry.
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