CN203911580U - Remote intelligent environment monitoring alarm device for electric power equipment - Google Patents
Remote intelligent environment monitoring alarm device for electric power equipment Download PDFInfo
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- CN203911580U CN203911580U CN201320326828.7U CN201320326828U CN203911580U CN 203911580 U CN203911580 U CN 203911580U CN 201320326828 U CN201320326828 U CN 201320326828U CN 203911580 U CN203911580 U CN 203911580U
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Abstract
The utility model relates to a remote intelligent environment monitoring alarm device for electric power equipment. The device is in signal connection with a background. A solar panel, an environment sensor, a state sensor, a CT electricity taking part, an AD conversion module, a communication and management module, a CPU mainboard, a wireless output quantity part, a storage module, a power source and a power source management module are integrated in the device. The power source is connected with the solar panel, the CT electricity taking part and the power source management module; the CPU mainboard is in signal connection and electric connection with the power source management module, the storage module, the wireless output quantity part and the communication and management module; the environment sensor and the state sensor are respectively in signal connection or electric connection with the AD conversion module; the wireless output quantity part is in signal connection with a wireless network; a remote intelligent environment monitoring alarm device is in electric connection or signal connection with a data transfer device. According to the remote intelligent environment monitoring alarm, all content to be monitored are concentrated in one device, the remote intelligent environment monitoring alarm device can be directly mounted on a positioned to be monitored, environment on a way does not need to be considered, and simple data transmission is realized.
Description
Technical field
The utility model relates to a kind of power equipment remote intelligent environmental monitoring warning device.
Background technology
Periodic inspection system is carried out in China's electric power system for a long time, and the cycle of this maintenance mode, project are to be all based upon on traditional experiential basis.To the difference of the quality of equipment individuality, running environment, performance state, consider incomplete.Exist the time between overhauls(TBO) short, the problem such as equipment frequency of power cut is many, and recondition expense is high, and maintenance workload is large, power supply reliability reduction.Along with the foundation of high pressure, UHV transmission line, this maintenance mode is more and more not suitable with the fail safe of transmission line, the requirement of power supply reliability.Therefore especially need a kind of can real-time online long-distance monitoring and alarming equipment, particularly for line end and remote districts, and aobvious particularly important of real time remote effective monitoring, carried out for these regional power equipments in these areas Frequent Accidents and the not smooth area of communication just therefore.
There is at present the monitoring of equipment of simple simple function in operation, mainly contained following reason and cause such equipment to use Shortcomings:
The one, equipment is under rugged environment, and when existing electric power system can not enough be supported as battery or solar energy, equipment is affected by environment larger.
The 2nd, Communication, existing device talk mode is mainly wireless communication networks, but remote districts do not cover, so communication is used, are subject to certain limitation.
The 3rd, clock problem, due to unified time adjustment function, and communication network has communication delay problem, so information is received on backstage, sometimes can not objectively respond problem time of origin.
The 4th, utonomous working problem: watch-dog does not have wireless output variable at present, so some clearer and more definite problem can not be processed by prediction scheme.
The feature of now general watch-dog:
Monitoring equipment function singleness; Integrated level is not high; Need to consider line voltage grade, run into electric pressure conversion and long Distance Transmission, need to add repeater; The equipment increasing has the problem of a power supply.Can transmit multi-medium data.
Utility model content
Technical problem to be solved in the utility model is that a kind of not affected by environment, a kind of like this device that communication is not subject to regional impact will be provided, and the technical scheme that realizes above-mentioned purpose is as follows:
Long-distance intelligent environmental monitoring warning device, described device is connected with backstage signal, it is characterized in that: in described device, be integrated with solar panels, environmental sensor, state sensor, CT power taking part, AD modular converter, communication management module, cpu motherboard, wireless output variable, memory module, power supply, power management module; Wherein power supply is connected with solar panels, CT power taking part, power management module respectively; Cpu motherboard is connected or is electrically connected to power management module, memory module, wireless output variable, AD modular converter, communication management module by signal respectively; Environmental sensor, state sensor are connected or are electrically connected to AD modular converter signal respectively, and wireless output variable is also connected with wireless network signal in addition, and described long-distance intelligent environmental monitoring warning device is electrically connected to data transfer equipment or signal is connected.
Preferably, described communication management module comprises GPS time service, GPRS/GSM communication module, power communication module, and GPS time service is connected with satellite-signal.
Preferably, in described environmental sensor, be integrated with space temperature transducer, humidity sensor, air velocity transducer, yaw range sensor.
Preferably, in described state sensor, be integrated with temperature sensor, obliquity sensor, inclination angle acceleration sensor, ultrasonic range finder.
Preferably, the circuit of described CT power taking part comprises coil, resistance, amplifying circuit, charging circuit, battery; Described coil is stuck on power line, by induction mode, obtains an electric current, and described coil is in parallel with a resistor, and amplifying circuit is connected power supply with charging circuit, and resistance connects amplifying circuit.
Coil is stuck on power line, by induction mode, obtains an electric current, and the electric current of generation, by resistance, produces a voltage at resistance two ends, by amplifying circuit, by this voltage amplification, charge the battery.
Preferably, electric current, by resistance, produces a voltage at the two ends of resistance, and described voltage is amplified at least 5 volts by amplifying circuit.
Preferably, described power supply is battery, can certainly storage battery, solar cell etc.
The utility model can be monitored surrounding's running space environment of this equipment is installed---comprises needing checkout equipment around current space temperature, humidity, wind speed, the cable amplitude of oscillation etc. detecting.
Equipment condition monitoring---temperature, inclination angle (theft protection for devices is accelerated-is mainly used at inclination angle), sag to the equipment of needs monitoring are monitored.
Equipment prediction scheme is processed---because earth fault often occurs China 10KV transmission system; for remote districts, can not get rid of in time; therefore fault is shortened to minimum zone, this equipment has a wireless node of outputing, and can complete Fault Isolation according to prediction scheme mating protection equipment as far as possible.
Equipment power supply----because high-tension line can not guarantee 220V electric power system, using solar energy is the main common practice of current other series products.Its problem is when bad weather, and a run of wet weather is tens days sometimes, and at this moment solar energy is substantially inoperative.Our equipment except use solar powered, increased especially electronics PT induction power taking, the electromagnetic field that utilizes high-tension cable to produce, obtains electric current by induction technology, then converts voltage to and charge the battery, to guarantee the working power of the utility model equipment.
Communication----utilize existing communication network that the monitor data obtaining is issued to backstage in time.But there is delay problem in current telecommunications public network communication, the corresponding time of data that therefore can not reflect in time.Therefore at backstage Integrated Information Processing System, be the feature that can not embody in time the time.Therefore our utility model equipment has a unique function, unifies time service via satellite to being distributed in the equipment of each control point, guarantees data and the uniformity of time.
The all contents of monitoring that need of the utility model concentrate on a device inside, for the position of needs monitoring, this device are directly installed just passable, do not need to consider circuit environment on the way, transmit data simple.
Accompanying drawing explanation
Fig. 1 is circuit connection diagram of the prior art
Fig. 2 is the utility model device schematic diagram
Fig. 3 is the utility model circuit connection diagram
Fig. 4 is the utility model scheme of installation
Fig. 5 is descending voltage modulated " 0 " " 1 " definition schematic diagram, and wherein, a is voltage modulated " 0 " schematic diagram, and b is voltage modulated " 1 " schematic diagram
Fig. 6 is " 0 " " 1 " definition schematic diagram of ascending current modulation
Fig. 7 is CT power taking schematic diagram
Figure number explanation: power equipment environment remotely intelligently monitoring warning device 1, data transfer equipment 2, power line 3
Embodiment
Power equipment environment remotely intelligently monitoring warning device Main Function is to carry out real time record for high-tension line and shaft tower and transformer running environment state, comprise equipment running status characteristic quantity, and measurement, transmission and diagnostic system and the processing of corresponding prediction scheme, the method is to realize the important means of Condition-based Maintenance of Transmission Line, the effective ways that improve transmission line property safe and reliable to operation, by the analysis to power transmission state monitoring parameter.Can judge in time transmission line malfunction and propose prevention of accident early warning scheme, reduce the possibility that transmission line accident occurs.For troubleshooting prediction scheme, isolation that can complete independently accident.
Below in conjunction with accompanying drawing, the utility model is described in detail.
In Fig. 2, long-distance intelligent environmental monitoring warning device, this device is connected with backstage signal, in device, be integrated with solar panels, battery, environmental sensor, state sensor, AD modular converter, communication management module, cpu motherboard, wireless output variable, CT power taking part, memory module, power supply, wherein battery is connected with solar panels, CT power taking part, power supply respectively, cpu motherboard is connected with power supply, memory module, wireless output variable, AD modular converter, communication management module respectively, and environmental sensor, state sensor are connected with AD modular converter respectively.Communication management module comprises GPS time service, GPRS/GSM, communication module, and GPS time service is connected with satellite-signal.Environmental sensor is integrated with space temperature transducer, humidity sensor, air velocity transducer, yaw range sensor; State sensor integrated temperature sensor, obliquity sensor, inclination angle acceleration sensor, ultrasonic range finder.
The following describes function and the principle of lower each several part parts:
Solar panels: be responsible for converting sunlight to electric energy; Power management-refer to utilize outside (as solar panels) factor to carry out management of charging and discharging module to battery.
Environmental sensor: comprise space temperature transducer, humidity sensor, air velocity transducer, yaw range sensor, the data such as the space temperature around environmental sensor monitoring equipment and equipment, humidity, wind speed.
Temperature sensor--test space temperature; Humidity sensor--test space humidity, main monitoring is rainy etc.; Air velocity transducer---the impact of test space speed air flow on shaft tower equipment; Yaw range sensor---be also amplitude of oscillation transducer, monitor that electric wire swings, and swung conference and causes short trouble;
State sensor: comprise monitored thing temperature sensor, obliquity sensor, inclination angle acceleration sensor, ultrasonic range finder, the data such as the temperature of described state sensor monitoring monitored equipment, inclination angle.
Temperature sensor---measure electric wire temperature, consider electric wire rising-heat contracting-cold; Obliquity sensor-consideration earth's surface phenomenon causes electric pole to tilt; Inclination angle acceleration sensor---electric pole inclination angle (inclination) generally, within the scope of 45 degree, surpasses 45 degree electric poles and generally can fall, and this is toppled over is acceleration; Ultrasonic range finder---mainly detect electric wire distance to the ground, and ground deposit causes safe distance too small, to personal safety, damage.
CT power taking part: CT power taking principle is to be stuck on power line by a coil, obtains a little electric current by induction mode, allows this little electric current by a resistive device, and resistive device can be resistance, produces a voltage at resistive device two ends.By this voltage amplification, to more than 5 volts, just can give 4.8 volts of battery chargings.Battery is supported the work of this device again, on electric wire electric current reach specified 30% just can by electric field induction around out an electric current completing charge the battery.
Specifically, the circuit of described CT power taking part comprises coil, resistance, amplifying circuit, charging circuit, battery; Described coil is stuck on outside power line, and described coil is in parallel with a resistor, and amplifying circuit is connected battery with charging circuit, and resistance connects amplifying circuit.
AD modular converter: by measure the digitlization of emulation mode amount, and complete the communication with cpu motherboard.
Communication management module: mainly contain two functions, the one, from satellite, obtain time parameter, the independent equipment disperseing is unified under same clock and is worked.The 2nd, by a communication channel on public communication network apparatus for establishing and backstage.
GPS time service: utilize the feature of satellite, receive satellite clock, convert local clock to, unified equipment clock, the time difference of avoiding common signal time delay to cause data to gather.
GPRS/GSM communication----all local datas are sent to backstage by special-purpose GPRS/GSM communication module, and receive from backstage the setting that instruction completes this device.
Wireless output variable---there is the compatible isolation features of checkout equipment, under communication failure or emergency treatment condition, can independently send wireless command according to pre-set programs, coordinate miscellaneous equipment to complete primary equipment action.Also can complete once according to remote command output, closed procedure.
Power line communication module---base station and the equipment of-conventional communication apparatus need electric power support, that is to say in a sense and say, first have electricity just to have communication.Development of Communication necessarily lags behind power line development.So in remote districts, ruthless area, communication is underdeveloped often.And these areas are also the multiple districts of fault of power equipment.More need relevant device to carry out Real-Time Monitoring.At public wireless network, do not catch up with, in the expensive situation of satellite network, utilize existing power communication module can complete the transmission of customizing messages.Power communication module is that dependence power line is that carrier has the function of replying communication module.
In Fig. 3, this device can directly be connected with transformer.
In Fig. 4, this device power equipment environment remotely intelligently monitoring warning device 1 can only be arranged on power line 3, data transfer equipment 2 is arranged on electric pole, data transfer equipment 2 receives the data of this device 1, and the signal that the data that data transfer equipment 2 receives and transformer station produce sends backstage to by GSM.
Fig. 5 and Fig. 6 are that the work of power communication module forms coding schematic diagram.
The characteristic of power communication module maximum is that signal can pass transformer equimagnetic sensing apparatus.Its internal structure is mainly after the past, to produce a moment " noise " signal at voltage peak on circuit, and this signal appendix transmits on voltage.This " noise " signal can not disappear in transmission.So can detect this " noise " at receiving terminal, according to the characteristic difference " 0 " and " 1 " of " noise ".As shown in Figure 5.
The formation of noise is that for example resistance, allows this device within a certain period of time according to characteristic frequency " connection " "off" by controlling a pure resistive device on the line in parallel.At this moment the fluctuation that on electric wire, voltage will produce a characteristic frequency.Within the scope of electric power transfer, comprise transformer front and back end, the fluctuation of voltage can be detected by sensing device.This rule reduction.Just receive corresponding data.Manufacturing and detect noise is in order to make the signals such as noise through transformer equimagnetic sensing apparatus.
Take two cycles as a numeral, 1/4th to 3/4ths modulation interval scales " 0 " of second cycle, 1/4th to 3/4ths modulation interval scales " 1 " of first cycle.1/4th to 3/4ths cycles of second cycle are connected " noise " representative " 0 " that resistive device produces, and 1/4th to 3/4ths cycles of first cycle are connected " noise " the representative representative " 1 " that resistive device produces.At receiving terminal, detect adjacent two electric voltage frequencies: normal frequency+think " 0 " with the frequency of noise, with the frequency+normal frequency of noise, think " 1 ".Power line communication module, by the data formation simple code 0 and 1 detecting, sends to backstage by power line.
Descendingly refer to that two voltage cycles are 1 data bit, two voltage cycles are modulated 1 time, adjacent periods difference obtains 1 bit position, numeral " 0 " with " 1 " difference be corresponding cycle different (last cycle or rear periodic modulation) of modulation of sinusoidal voltage zero crossing, data communication speed is 25BPS; And uply refer to that four current cycles are 1 data bit, two adjacent periods difference obtain 1 bit position, " 0 " " 1 " difference be modulation positions and difference method.Communication system requirement for different application, can have multiple " 0 " with " 1 " definition mode.
The utility model has mainly been made new improvement to this equipment running space environment, equipment state, prediction scheme processing, equipment power supply, several aspects of the information transmission system around.
The monitoring of equipment running space environment---comprise that the current space temperature of equipment, humidity, wind speed, the cable amplitude of oscillation detect.
Equipment condition monitoring---the temperature of monitoring equipment, inclination angle (theft protection for devices is accelerated-is mainly used at inclination angle), sag are monitored.
Equipment prediction scheme is processed---because earth fault often occurs China 10KV transmission system; for remote districts, can not get rid of in time; therefore fault is shortened to minimum zone, this equipment has a wireless node of outputing, and can complete Fault Isolation according to prediction scheme mating protection equipment as far as possible.
Equipment power supply----because high-tension line can not guarantee 220V electric power system, using solar energy is the main common practice of current other series products.Its problem is when bad weather, and a run of wet weather is tens days sometimes, and at this moment solar energy is substantially inoperative.Our equipment except use solar powered, increased especially electronics PT induction power taking, the electromagnetic field that utilizes high-tension cable to produce, obtains electric current by induction technology, charges the battery converting voltage to, to guarantee equipment working power.
Communication----utilize existing communication network that the monitor data obtaining is issued to backstage in time.But there is delay problem in current telecommunications public network communication, the corresponding time of data that therefore can not reflect in time.Therefore in backstage integrated information, process the feature that system examination can not embody the time in time.Therefore our equipment has a unique function, unifies time service via satellite to being distributed in the equipment of each control point, guarantees data and the uniformity of time.
This device also can be arranged in ring main unit.
The utility model has the following advantages with respect to current other device tool:
Power supply: device electricity consumption is in the past mainly with 220 volts of civil powers.But this requires equipment be arranged near transformer station or near transformer or around cities and towns, can guarantee in the region of power supply; Also have and set up large solar panels and charge the battery and provide power supply to equipment, if but run into winter wind and snow or rainy season weather, solar panels are substantially inoperative, and this weather time period that equipment easily goes wrong just.Owing to can not guaranteeing that power supply station is so that the situation of equipment cisco unity malfunction often to occur.Our utility model is the power induction power taking except solar energy.When 10KV electric wire electric current is in the more than 10 of rated operational current, we obtain an induced current by current transformer, by a resistive device, obtaining a voltage, the equipment the inside of our utility model also has a set of electronic circuit and batch capacitive device to carry out multiplication of voltage, reach certain magnitude of voltage, the highlyest can reach 250 volts.Can guarantee that 12 volts/7AH can complete watch-dog power requirement to the charging of 12 volts/7AH battery.Product advantage is not rely on equipment operating environment, and constantly keeps filling again state, also regardless of day and night.
The key technical indexes: different battery charging intervals.
| Electric current/battery capacity/charging interval | 10KV primary current 10% load | 10KV primary current 30% load | 10KV primary current 60% load |
| 12V/7ah | 120 minutes | 60 minutes | 30--45 minute |
| 24v/7ah | 200 minutes | 100 minutes | 50--90 minute |
| 48v/12ah | 600 minutes | 300 minutes | 150--300 minute |
In whole apparatus, the utility model is in the situation that there is no public communication channel, relying on power line is dealt into main monitor message on backstage, be characterized in not relying on external power source, because we have self electricity getting device, and this equipment volume is little, and other equipment is completely integrated in a device the inside.
Power line communication apparatus is in the past electric wave carrier, can complete dependence power line and carry out transfer of data, the mode of power line carrier communication and feature: power line carrier communication is the distinctive communication mode of electric power system, it is to utilize existing power line, by the technology of carrier system high-speed transfer analog or digital signal, due to the transmission medium that uses strong and reliable power line as carrier signal, therefore having that communication is reliable and stable, the reasonable feature of route, is unique wire communication mode that does not need track investment.
Power line communication is first Data Modulation to be become to carrier signal or spread-spectrum signal, then by coupler, is coupled on 220V or other AC/DC power lines.
This equipment loads low frequency signal near power frequency (50HZ) voltage zero-cross, utilize a kind of communication modes of deformation transmission of information, this communication is without increasing coupling bonding apparatus, signal can directly pass through user transformers, between transformer station and low-voltage customer, set up direct communication contact, feature is: power frequency distortion, long apart from carrier wave, the communication of power network bi-directional digital.
This device is mainly to solve on-site data gathering and transmission problem, and last data gather and analyze by background computer system, is called for short backstage and is responsible for, and the modulation of downstream signal and the decoding of upward signal are responsible for concentrator in backstage.Up decoding obtains by gathering the analysis of the 10KV of transformer station outlet CT secondary side current.
Data Modulation
In communication management module, be also integrated with communication system, communication system is exactly that the signal gathering is passed to backstage, the modulation of communication system is completed by controllable silicon, control controllable silicon moment shutoff before the positive zero crossing of sinusoidal voltage, cause the deformation of voltage waveform, be equivalent on sinusoidal voltage zero crossing waveform the last period and modulated low frequency information; Controllable silicon is moment shutoff before sinusoidal voltage zero crossing, and by generation current surge, line impedance has limited the moment sudden change of electric current, is equivalent on the current waveform with voltage modulated point correspondence position and has modulated low frequency information.
Data demodulates
Communication system is digital semi-duplex communication, and the basis of digital communication is the definition of " 0 " and " 1 ".Demodulation is that finger device single-chip microcomputer collection voltage current waveform carries out calculus of differences analyzing and processing, obtain corresponding " 0 " with " 1 ", some " 0 " " 1 " constitute digital communication bag, the process of demodulation can be regarded as operational analysis and the combination after electric current and voltage analog signals difference.The comprehensive description of communication process
Power communication module, by the data formation simple code 0 and 1 detecting, sends to backstage by power line, and its feature and conventional electric power carrier terminal equipment are compared as follows figure:
These are only the preferred embodiment of the utility model embodiment; not in order to limit the utility model embodiment; all within the spirit and principle of the utility model embodiment, any modification of doing, be equal to replacement, improvement etc., all should be included in protection range of the present utility model.
Claims (7)
1. long-distance intelligent environmental monitoring warning device, described device is connected with backstage signal, it is characterized in that: in described device, be integrated with solar panels, environmental sensor, state sensor, CT power taking part, AD modular converter, communication management module, cpu motherboard, wireless output variable, memory module, power supply, power management module; Wherein power supply is connected with solar panels, CT power taking part, power management module respectively; Cpu motherboard is connected or is electrically connected to power management module, memory module, wireless output variable, AD modular converter, communication management module by signal respectively; Environmental sensor, state sensor are connected or are electrically connected to AD modular converter signal respectively, and wireless output variable is also connected with wireless network signal in addition, and described long-distance intelligent environmental monitoring warning device is electrically connected to data transfer equipment or signal is connected.
2. long-distance intelligent environmental monitoring warning device according to claim 1, is characterized in that: described communication management module comprises GPS time service, GPRS/GSM communication module, power communication module, and GPS time service is connected with satellite-signal.
3. long-distance intelligent environmental monitoring warning device according to claim 1, is characterized in that: in described environmental sensor, be integrated with space temperature transducer, humidity sensor, air velocity transducer, yaw range sensor.
4. long-distance intelligent environmental monitoring warning device according to claim 1, is characterized in that: in described state sensor, be integrated with temperature sensor, obliquity sensor, inclination angle acceleration sensor, ultrasonic range finder.
5. long-distance intelligent environmental monitoring warning device according to claim 1, is characterized in that: the circuit of described CT power taking part comprises coil, resistance, amplifying circuit, charging circuit, battery; Described coil is stuck on power line, by induction mode, obtains an electric current, and described coil is in parallel with a resistor, and amplifying circuit is connected power supply with charging circuit, and resistance connects amplifying circuit.
6. long-distance intelligent environmental monitoring warning device according to claim 5, is characterized in that: electric current, by resistance, produces a voltage at the two ends of resistance, and described voltage is amplified at least 5 volts by amplifying circuit.
7. long-distance intelligent environmental monitoring warning device according to claim 1, is characterized in that: described power supply is battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320326828.7U CN203911580U (en) | 2013-06-07 | 2013-06-07 | Remote intelligent environment monitoring alarm device for electric power equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320326828.7U CN203911580U (en) | 2013-06-07 | 2013-06-07 | Remote intelligent environment monitoring alarm device for electric power equipment |
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| CN203911580U true CN203911580U (en) | 2014-10-29 |
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| CN201320326828.7U Expired - Lifetime CN203911580U (en) | 2013-06-07 | 2013-06-07 | Remote intelligent environment monitoring alarm device for electric power equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326468A (en) * | 2013-06-07 | 2013-09-25 | 九星通信设备(福州)有限公司 | Electrical equipment long-distance intelligent environmental monitoring warning device |
| CN104836342A (en) * | 2015-05-14 | 2015-08-12 | 江苏有能新能源有限公司 | Photovoltaic power station remote monitoring system based on Internet of things and satellite communication, and application thereof |
-
2013
- 2013-06-07 CN CN201320326828.7U patent/CN203911580U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326468A (en) * | 2013-06-07 | 2013-09-25 | 九星通信设备(福州)有限公司 | Electrical equipment long-distance intelligent environmental monitoring warning device |
| CN103326468B (en) * | 2013-06-07 | 2016-06-15 | 九星通信设备(福州)有限公司 | A kind of power equipment remote intelligent environmental monitoring alarm device |
| CN104836342A (en) * | 2015-05-14 | 2015-08-12 | 江苏有能新能源有限公司 | Photovoltaic power station remote monitoring system based on Internet of things and satellite communication, and application thereof |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |