CN201974485U - Power frequency electromagnetic data real-time online monitoring device - Google Patents
Power frequency electromagnetic data real-time online monitoring device Download PDFInfo
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- CN201974485U CN201974485U CN 201020674054 CN201020674054U CN201974485U CN 201974485 U CN201974485 U CN 201974485U CN 201020674054 CN201020674054 CN 201020674054 CN 201020674054 U CN201020674054 U CN 201020674054U CN 201974485 U CN201974485 U CN 201974485U
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Abstract
The utility model discloses a power frequency electromagnetic data real-time online monitoring device which comprises a main controller, a power frequency electromagnetic data acquisition unit, a time synchronization unit, a data processing unit and a power-supply system, wherein the power frequency electromagnetic data acquisition unit comprises a high-precision power frequency electromagnetic sensor, a large-capacity battery, a power management module and at least two physical isolators; the power management module comprises a DC (direct current)/DC converter and a unilateral diode; the physical isolators are sequentially connected with one another; the input end of the physical isolator is connected with the power-supply system, and the output end of the physical isolator is connected with the anode of the unilateral diode; the cathode of the unilateral diode is connected with the DC/DC converter and the large-capacity battery; the output end of the DC/DC converter is connected with the power input end of the high-precision power frequency electromagnetic sensor; and the high-precision power frequency electromagnetic sensor is also connected with the main controller and the large-capacity battery. The device can realize long-time power supply and automatic charging of the high-precision power frequency electromagnetic sensor, and can effectively avoid the influence on measuring results due to the access of a power line.
Description
Technical field
The utility model belongs to power frequency electromagnetic field environmental monitoring field, particularly a kind of device that electromagnetic environment data around the engineering of defeated change station are gathered.
Background technology
In recent years, the electromagnetic interference (EMI) of electric system, electromagnetic environment problem are subjected to people day by day and pay attention to, and the ecological effect of power frequency electromagnetic field is the focus that people pay close attention to always.The public has caused unnecessary Psychological Panic for the wrong understanding of electromagnetic pollution, thereby the defeated change station engineering construction for own periphery is held with strong opposition attitude, caused very big resistance for the defeated construction that becomes the station facility, various places obstruct the life that takes place frequently of the event frequency of construction.And power supply " bottleneck " appears in the unnecessary direct result that this phenomenon causes to be exactly power grid construction lag behind need for electricity, and this has not only had influence on society and expanding economy, has also influenced the masses' normal electricity consumption.In order to guide the more intuitively defeated station facility that becomes of understanding correctly of the masses, reduce the public's Psychological Panic degree, every defeated change station engineering construction that makes smooth advances is carried out real-time publicity to the defeated electromagnetic data that becomes around the engineering of station and is seemed very important.
Described power frequency electromagnetic environment parameter mainly comprises power frequency electromagnetic field intensity and power frequency magnetic induction density.
The general at present method that adopts is to adopt the hand-held surveying instrument, and power frequency electromagnetic field intensity and magnetic induction density are measured respectively.This mode can be measured the electromagnetic environment of measured point fast, easily, and still, this type of instrumentation costs an arm and a leg, and measured partial parameters generally is used for analyzing and research for environmental monitoring and power department.
Existing instrument does not all possess special round-the-clockly at power transmission terminal facility power frequency electromagnetic environment monitor function towards the public, and in existing technology, many forms by internal battery in survey sensor realize shielding and the field survey that external power supply disturbs.The staff need receive power supply with sensor or main frame and charge, and generally speaking, can only carry out the measurement of individual quantities to power frequency electromagnetic field intensity or magnetic induction density after finishing certain measuring task.Measure when realizing two variablees, need manually operate, trouble.
In the existing technology, sensor automatic power technology is the technical matters that realizes that the monitoring in real time of power frequency electromagnetic environment needs to be resolved hurrily.Existing sensors adopts internal battery as power supply more, fills once electricity and generally can realize about non-stop run 8-10 hour.If adopt the lead-in cable line to realize charging automatically, the charge cable of access is introduced influence error when not working bigger, up to hundred times, the phenomenon that error covers this value can occur introducing under the less situation of this value when maximum.Therefore how solving after charging finishes, the shielding problem of charge power supply line also is the technical matters that the all-weather real-time on-line monitoring system will solve.As real time on-line monitoring system, correct time system and auto-control ability to be arranged also simultaneously, realize the automatic work under nobody looks after for a long time.
In line with aforementioned thought, the design people develops this case institute generator at the specific (special) requirements of open-air all-weather real-time monitoring device.
The utility model content
Technical problem to be solved in the utility model is at defective in the aforementioned background art and deficiency, a kind of power frequency electromagnetic data real time on-line monitoring device is provided, it can realize the long-time power supply of high precision power frequency electromagnetic sensor and charging automatically, and the access of shielded power supply line realizes the uploading of automatic switchover measurement, data of power frequency electromagnetic field intensity and power frequency magnetic induction density, function such as demonstration on the spot to the influence of measurement result effectively.
The utility model is for solving the problems of the technologies described above, and the technical scheme that is adopted is:
A kind of power frequency electromagnetic data real time on-line monitoring device comprises master controller, power frequency electromagnetic data collecting unit, time synchronized unit, data processing unit and power-supply system;
Power frequency electromagnetic data collecting unit comprises high precision power frequency electromagnetic sensor, high capacity cell, power management module and at least two physical isolators, and described power management module comprises and unilateral diode; At least two physical isolators connect successively, its input end connects power-supply system, output terminal connects the positive pole of unilateral diode, and the negative pole of unilateral diode connects the input end and the high capacity cell of DC/DC converter, and the output terminal of DC/DC converter connects the power input of high precision power frequency electromagnetic sensor, high precision power frequency electromagnetic sensor also connects master controller and high capacity cell, under the control of master controller measured electromagnetic field intensity, magnetic induction density and dump energy is sent into master controller;
The time synchronized unit is connected with master controller, and time data is sent into master controller;
Data processing unit is connected with master controller, the data that the storage master controller receives.
Above-mentioned physical isolator comprises normally opened relay and three terminal regulator, wherein, the input end of three terminal regulator is connected with the normally opened contact input end of normally opened relay, and be connected to the output terminal of power-supply system jointly, and the output terminal of three terminal regulator connects the solenoid of normally opened relay, and the normally opened contact output terminal of normally opened relay connects the positive pole of unilateral diode in the power management module.
Above-mentioned power-supply system comprises little time switch and the charging device that connects successively, and wherein, little time switch and master controller carry out communication, turn-off under the control of master controller; And the output terminal of charging device connects the input end of physical isolator.
Above-mentioned time synchronized unit comprises can be by the GPS time service module of GPS receiving time information.
Above-mentioned data processing unit also connects display unit, shows measurement data under the control of master controller.
After adopting such scheme, the utlity model has following improvement:
(1) realizes automatically high capacity cell being charged by master controller, the problem of power supply supply when having solved all weather operations, when not charging, external lead-in cable is divided into some segments automatically to reduce to introduce error, has solved the big problem of lead-in cable mushing error simultaneously;
(2) realize each system coordination by master controller, digital communication is all adopted in the communication of master controller and each cell mesh, has increased the reliability of system;
(3) can adopt method by increasing power frequency electromagnetic data collecting unit, realize the multiple spot monitoring.
Description of drawings
Fig. 1 is an integrated stand composition of the present utility model;
Fig. 2 is the structural drawing of power frequency electromagnetic data collecting unit in the utility model;
Fig. 3 is system structure of device figure described in the utility model.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is elaborated below in conjunction with the drawings and specific embodiments.
With reference to Fig. 1, be the main structure synoptic diagram of power frequency electromagnetic data real time on-line monitoring device described in the utility model, comprise power frequency electromagnetic data collecting unit 1, time synchronized unit 2, data processing unit 3, power-supply system 4, master controller 5 and display unit 6.
Cooperate shown in Figure 2, power frequency electromagnetic data collecting unit 1 comprises high precision power frequency electromagnetic sensor 101, high capacity cell 102, power management module 103 and at least two physical isolators 104, wherein, described power management module 103 comprises DC/DC converter 103-1 and unilateral diode 103-2; At least two physical isolators 104 are connected in series successively, its input end connects the output terminal of power-supply system 4, and output terminal connects the positive pole of unilateral diode 103-2, setting by physical isolator 104, cable is divided into some segments, thereby reduce to introduce error, solved the big problem of lead-in cable mushing error; The negative pole of unilateral diode 103-2 connects input end and the high capacity cell 102 of DC/DC converter 103-1, to guarantee the electric current uniflux of level backward; The output terminal of DC/DC converter 103-1 then connects the power input of high precision power frequency electromagnetic sensor 101.
In the present embodiment, described physical isolator 104 comprises normally opened relay 104-1 and three terminal regulator 104-2; Wherein, the input end of three terminal regulator 104-2 is connected with the normally opened contact input end of normally opened relay 104-1, and be connected to the output terminal of power-supply system 4 jointly, and the output terminal of three terminal regulator 103-4 connects the solenoid of normally opened relay 103-3, and the normally opened contact output terminal of normally opened relay 103-3 connects the positive pole of unilateral diode 103-2.
Time synchronized unit 2 is connected with master controller 5, and it includes GPS time service module, can and be sent to master controller 5 by the gps satellite receiving time information, to finish the correction of system time.
In addition, as shown in Figure 3, power-supply system 4 comprises little time switch 403 and the charging device 402 that connects successively, and wherein, little time switch 403 is the time switch of normally opened contact, can carry out communication with master controller 5, turn-offs under the control of master controller 5; The other end of little time switch 403 connects charging device 402, and the output terminal of charging device 402 connects the input end of physical isolator 104, so that power supply to be provided.
In conjunction with Fig. 2 and Fig. 3, the utility model is when work, and under the situation of high capacity cell 102 electric weight abundances, its output is via after crossing DC/DC converter 103-1 conversion, for high precision power frequency electromagnetic sensor 101 provides power supply; Described high precision power frequency electromagnetic sensor 101 is an intelligence sensor, the power frequency electromagnetic data of its measurement is sent to master controller 5 via optical fiber 700, use optical fiber 700 transmission can reduce interference effectively, this moment little time switch 403 be in off-state, the charging device 402, the physical isolator 104 that are attached thereto all be in off-state, power lead is divided into several sections, weakened cable effectively and introduced interference to measuring unit, master controller 5 is gathered each unit and is sent into display unit 6 after the data of returning are handled and show.
In addition, high precision power frequency electromagnetic sensor 101 also connects high capacity cell 102, can measure the dump energy of high capacity cell 102 according to the instruction of master controller 5, and in real time measurement result is back to master controller 5; When master controller 5 is judged the electric weight deficiency of high capacity cell 102, can turn-off by the little time switch 403 of control, entered the input end of physical isolator 104 after this moment, electric current was changed through charging device 402, the work of the three terminal regulator 103-4 in the physical isolator 104 simultaneously makes normally opened relay 103-3 closure, electric current flows to the input end of next physical isolator 104 through the output terminal of physical isolator 104, and last charging current is most of to be used for high capacity cell 102 chargings, sub-fraction offer 101 power supplies of high precision power frequency electromagnetic sensor; When master controller 5 judges that high capacity cell 102 electric weight are full of, send signal microcontroller switch 403 is disconnected, charging device 402, physical isolator 104 disconnect subsequently, and charging cable is cut apart plurality of sections.For thereby the current reflux that prevents high capacity cell 102 causes effective disconnection that normally opened relay 103-3 can not disconnect effectively influences physical isolator 104, introduce unilateral diode 103-2 in the present embodiment, do not reflux with the electric current of guaranteeing high capacity cell 102, reach effective cut-out.
Power frequency electromagnetic field data in real time on-Line Monitor Device described in the utility model on the basis of traditional measurement monitoring instrument, has added power-supply system 4 and master controller 5 controls, introduces gps time simultaneously Monitoring Data is carried out real-time publicity.When system works, master controller 5 is by sending dependent instruction to power frequency electromagnetic data collecting unit 1, power frequency electromagnetic data collecting unit 1 is sent to master controller 5 with power frequency electromagnetic field intensity or the magnetic induction density of measuring, master controller 5 is handled with the time signal in same method lock unit readout time 2 simultaneously.Data processing unit 3 is by constantly monitoring the state of charge of high capacity cell 102, and simultaneously state of charge is delivered to master controller 5 and backed up, after the electric weight of high capacity cell 102 is lower than certain value, master controller 5 is controlled its energized systems 4 by little time switch 403, for high capacity cell 102 charges automatically.After treating that electric weight is full of, disconnect again.
More than to power frequency electromagnetic data real time on-line monitoring device provided by the utility model, be described in detail, used specific embodiment herein principle of the present utility model and embodiment are set forth, more than explanation is to be applicable to help to understand method of the present utility model and core concept thereof; Simultaneously for those of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not understand restriction of the present utility model.
Claims (5)
1. a power frequency electromagnetic data real time on-line monitoring device is characterized in that: comprise master controller, power frequency electromagnetic data collecting unit, time synchronized unit, data processing unit and power-supply system;
Power frequency electromagnetic data collecting unit comprises high precision power frequency electromagnetic sensor, high capacity cell, power management module and at least two physical isolators, and described power management module comprises DC/DC converter and unilateral diode; At least two physical isolators connect successively, its input end connects power-supply system, output terminal connects the positive pole of unilateral diode, and the negative pole of unilateral diode connects the input end and the high capacity cell of DC/DC converter, and the output terminal of DC/DC converter connects the power input of high precision power frequency electromagnetic sensor; High precision power frequency electromagnetic sensor also connects master controller and high capacity cell, under the control of master controller measured electromagnetic field intensity, magnetic induction density and dump energy is sent into master controller;
The time synchronized unit is connected with master controller, and time data is sent into master controller;
Data processing unit is connected with master controller, the data that the storage master controller receives.
2. power frequency electromagnetic data real time on-line monitoring device as claimed in claim 1, it is characterized in that: described physical isolator comprises normally opened relay and three terminal regulator, wherein, the input end of three terminal regulator is connected with the normally opened contact input end of normally opened relay, and be connected to the output terminal of power-supply system jointly, and the output terminal of three terminal regulator connects the solenoid of normally opened relay, and the normally opened contact output terminal of normally opened relay connects the positive pole of unilateral diode in the power management module.
3. power frequency electromagnetic data real time on-line monitoring device as claimed in claim 1, it is characterized in that: described power-supply system comprises little time switch and the charging device that connects successively, wherein, little time switch and master controller carry out communication, turn-off under the control of master controller; And the output terminal of charging device connects the input end of physical isolator.
4. power frequency electromagnetic data real time on-line monitoring device as claimed in claim 1 is characterized in that: described time synchronized unit comprises can be by the GPS time service module of GPS receiving time information.
5. power frequency electromagnetic data real time on-line monitoring device as claimed in claim 1, it is characterized in that: described data processing unit also connects display unit, shows measurement data under the control of master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674054 CN201974485U (en) | 2010-12-22 | 2010-12-22 | Power frequency electromagnetic data real-time online monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020674054 CN201974485U (en) | 2010-12-22 | 2010-12-22 | Power frequency electromagnetic data real-time online monitoring device |
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| CN201974485U true CN201974485U (en) | 2011-09-14 |
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| CN 201020674054 Expired - Fee Related CN201974485U (en) | 2010-12-22 | 2010-12-22 | Power frequency electromagnetic data real-time online monitoring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109557A (en) * | 2010-12-22 | 2011-06-29 | 东南大学 | Real-time on-line monitoring device for power-frequency electromagnetic data |
| CN103257281A (en) * | 2013-05-14 | 2013-08-21 | 东南大学 | Power-frequency electromagnetic environment real-time on-line monitoring system platform based on GPRS |
| CN113382900A (en) * | 2019-01-23 | 2021-09-10 | 莱尼电缆有限公司 | Electronic parking brake and wheel speed sensor connection system |
-
2010
- 2010-12-22 CN CN 201020674054 patent/CN201974485U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102109557A (en) * | 2010-12-22 | 2011-06-29 | 东南大学 | Real-time on-line monitoring device for power-frequency electromagnetic data |
| WO2012083720A1 (en) * | 2010-12-22 | 2012-06-28 | 江苏省电力公司 | Real-time online monitoring devices for electromagnetic environment |
| CN103257281A (en) * | 2013-05-14 | 2013-08-21 | 东南大学 | Power-frequency electromagnetic environment real-time on-line monitoring system platform based on GPRS |
| CN113382900A (en) * | 2019-01-23 | 2021-09-10 | 莱尼电缆有限公司 | Electronic parking brake and wheel speed sensor connection system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20110914 Termination date: 20131222 |