CN206470340U - Power quality monitoring system - Google Patents
Power quality monitoring system Download PDFInfo
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- CN206470340U CN206470340U CN201720104631.7U CN201720104631U CN206470340U CN 206470340 U CN206470340 U CN 206470340U CN 201720104631 U CN201720104631 U CN 201720104631U CN 206470340 U CN206470340 U CN 206470340U
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 99
- 238000004458 analytical method Methods 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 34
- 230000005611 electricity Effects 0.000 claims abstract description 14
- 238000007405 data analysis Methods 0.000 claims abstract description 5
- 238000001228 spectrum Methods 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 31
- 230000005856 abnormality Effects 0.000 claims description 28
- 230000001012 protector Effects 0.000 claims description 17
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- 230000006698 induction Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an electric power quality monitoring system, at least one distribution board is connected to the electricity, and this distribution board electricity is connected a plurality of boards in order to collect the electric power of these a plurality of boards, this electric power quality monitoring system contains at least one and detects the station, and a control main website, should detect the station and detect this distribution board in order to produce the data of detecting of an electric power sum of instructing these a plurality of boards, and should detect the data according to a communication protocol conveying, this control main website receives the data of should detecting that comes from this detection station according to this communication protocol, and be used for carrying out data analysis in a frequency spectrum to this detection data, the utility model discloses electric power quality monitoring system can not only once detect many boards, more can initiative analysis data and noise.
Description
Technical field
The utility model is related to a kind of monitoring system, more particularly to a kind of power quality monitoring system.
Background technology
Refering to Fig. 1, existing electric power measurement instrument 4 is used for the electric power signal for detecting a board 5, and by the electricity detected
The data storages such as the magnitude of voltage and current value of force signal, and show the data such as the magnitude of voltage and current value of the electric power signal.The electricity
Power measurement instrument 4 with the following drawback that：
1. the human resources of overspending：Because existing electric power measurement instrument 4 is once only capable of detecting the electric power of a board 5
Signal, therefore, if it is to be understood that the situation of all boards 5 of a factory, obtains and detects one by one, dimension need to spend more manpower in
Detect, cause using upper more not convenient one by one.
2. can not automated analysis data：Because existing electric power measurement instrument 4 is only capable of detecting electric power signal, and show the electricity
The data such as magnitude of voltage or current value that force signal is included, and can not do and further divide for the electric power signal on one's own initiative
Analysis, if monitoring personnel is intended to obtain further analyze data and must first use (the Universal Serial of USB Portable disks 7
Bus flash drive) or other holders such as memory card electrically connect the electric power measurement instrument 4 to capture the electric power signal,
The USB Portable disks 7 for the data that the electric power signal will be stored again are inserted in a computer 6 and carry out analytic operation, so that monitor
Member can take excessive time in access electric power signal action, and monitoring personnel to measure a board 5 will take with oneself
The electric power signal can be accessed by the USB Portable disks 7 at any time to 6 points of the computer to facilitate with the USB Portable disks 7 and the computer 6
Analyse computing.
3. can not Analyze noise：Existing electric power measurement instrument 4 does not detect the function of noise, so that when board 5 is made an uproar
It during acoustic jamming, can not still deal carefully with, cause the performance of board 5 unstable.
4. there can not be real-time abnormality warnings：As described in shortcoming 2 because existing electric power measurement instrument 4 is only capable of detecting and shows
Show the electric power signal and can not further analyze, therefore, should when the magnitude of voltage or current value that it is detected have abnormal
Electric power measurement instrument 4 can not send warning signal in real time notifies monitoring personnel and does real-time processing, so that when board 5 occurs abnormal,
Mistake, which must be detectd, for the board 5 progress when monitoring personnel can just be found to problem, so that the influence production capacity of board 5.
The content of the invention
The purpose of this utility model is to provide a kind of easy-to-use and energy active analysis data power quality monitoring systems
System.
Power quality monitoring system of the present utility model, electrically connects a distribution board, and the distribution board electrically connects multiple machines
Platform is to collect the electric power of the plurality of board, and the power quality monitoring system includes at least one detecting station, and a master station.
The distribution board is detected with the detecting data for the electric power summation for producing the plurality of board of an instruction in the detecting station, and root
The detecting data is transmitted according to a communications protocol.
The master station, the detecting data from the detecting station is received according to the communications protocol, and for the detecting
Data carry out data analysis in a frequency spectrum.
Power quality monitoring system of the present utility model, the master station carries out Fourier analysis generation to the detecting data
One harmonic information, the energy corresponding to harmonic information record different frequency, and a noise value is analyzed according to the harmonic information.
Power quality monitoring system of the present utility model, the electric power summation is relevant to a magnitude of voltage, the master station also root
According to the harmonic information to calculate a voltage total harmonic distortion value.
Power quality monitoring system of the present utility model, the electric power summation is relevant to a current value, the master station according to
The harmonic information is to calculate a current total harmonic distortion value.
Power quality monitoring system of the present utility model, the electric power summation is relevant to a current value and a magnitude of voltage, the prison
Controlling main website includes a communicator, an electric power analysis unit, and an input-output unit.
The communicator receives the detecting data from the detecting station according to the communications protocol.
The electric power analysis unit electrically connects the communicator to receive the detecting data, and stores the current value and the voltage
Value, and Fourier analysis one analyze data of generation is carried out according to the magnitude of voltage and the current value, and this point is exported according to an instruction
Analyse data.
The input-output unit produces the instruction, and electrically connects the electric power analysis unit to receive and show the analysis number
According to.
Power quality monitoring system of the present utility model, the electric power analysis unit includes a processor, and the processor is electrically connected
It is connected between the communicator and the input-output unit, to receive and store the current value and the magnitude of voltage, and according to the magnitude of voltage
Fourier analysis generation is carried out with the current value and the analyze data is stored, and the analyze data is exported always according to the instruction.
Power quality monitoring system of the present utility model, the analyze data includes a noise value, and the electric power analysis unit is also
Including an abnormality warnings device, it is electrically connected between the processor and the input-output unit to receive the analysis from the processor
Data, and an interval, electric current pre-set interval and one is given tacit consent to a voltage according to the magnitude of voltage, the current value and the noise value respectively
Whether normal value multilevel iudge, which produces and export a caution signal, receives and shows for the input-output unit, the caution signal bag
Include electric voltage exception warning, current anomaly warning, and a noise abnormality warnings.
Give tacit consent to interval when the magnitude of voltage is more than or less than the voltage, then the abnormality warnings device produces electric voltage exception warning.
When the current value is more than or less than the electric current pre-set interval, then the abnormality warnings device produces current anomaly warning.
When the noise value is more than the normal value, the abnormality warnings device produces the noise abnormality warnings.
Power quality monitoring system of the present utility model, the detecting station includes a detector, and a transmission unit.
The detector detects the distribution board to produce the detecting data for the electric power summation for indicating the plurality of board.
The transmission unit electrically connects the detector to receive the detecting data and transmit the detecting number according to the communications protocol
According to.
Power quality monitoring system of the present utility model, the transmission unit includes a communicator, and communicator electrical connection should
Detector transmits the detecting data to receive the detecting data according to the communications protocol.
Power quality monitoring system of the present utility model, the transmission unit includes a converter, and a communicator.
The converter electrically connects the detector to receive the detecting data, and the detecting data is converted into from analog form
The detecting data of digital form.
The communicator electrically connects the converter to receive the detecting data of digital form, and transmitted according to the communications protocol
The detecting data.
Power quality monitoring system of the present utility model, the detecting station includes a detector, a lightning strike protector, and one passes
Defeated unit.
The detector detects the distribution board to produce the detecting data for the electric power summation for indicating the plurality of board.
The lightning strike protector is electrically connected between the detector and ground, for discharging the pulse produced by lightning induction electricity
Stream.
The transmission unit electrically connects the detector to receive the detecting data and transmit the detecting number according to the communications protocol
According to.
Power quality monitoring system of the present utility model, the detecting station also includes a circuit brake, the circuit brake
It is electrically connected between the lightning strike protector and the detector and does not discharge the complete pulse current to receive, when the pulse current exceedes
Certain value, then the circuit brake is auto-cutout.
Power quality monitoring system of the present utility model, the whole district of the distribution board including one external voltage of reception powers disconnected
Road device, and multiple boards are powered breaker, and whole district circuit breaker electric of powering connects the board and powered breaker, and the board
The board powered corresponding to circuit breaker electric connection, the whole district that the distribution board is detected at the detecting station powers breaker to produce
The detecting data.
Power quality monitoring system of the present utility model, also detects comprising a board and stands, and board detecting station is detected this and matched somebody with somebody
The board of electroplax is powered one of breaker, and should the board of one of them circuit breaker electric of powering connect the board
Board to be detected therein, with the board detecting data for the electric power for producing the instruction board to be detected, and logical according to this
News agreement transmits the board detecting data to the master station.
Power quality monitoring system of the present utility model, board detecting station includes a detector, and a transmission unit.
This one of them board that the detector detects the distribution board powers breaker and indicates the board to be detected to produce
The electric power the board detecting data.
The transmission unit electrically connects the detector to receive the board detecting data and transmit the machine according to the communications protocol
Platform detecting data.
Power quality monitoring system of the present utility model, the transmission unit includes a communicator, and communicator electrical connection should
Detector transmits the board detecting data to receive the board detecting data according to the communications protocol.
Power quality monitoring system of the present utility model, the transmission unit includes a converter, and a communicator.
The converter electrically connects the detector to receive the board detecting data, and the board detecting data is simulated into shape certainly
Formula is converted into the board detecting data of digital form.
The communicator electrically connects the converter to receive the board detecting data of digital form, and according to the communications protocol
Transmit the board detecting data.
Power quality monitoring system of the present utility model, board detecting station includes the lightning strike protector of a detector one, and
One transmission unit.
This one of them board that the detector detects the distribution board powers breaker and indicates the board to be detected to produce
The electric power the board detecting data.
The lightning strike protector is electrically connected between the detector and ground, for discharging the pulse produced by lightning induction electricity
Stream.
The transmission unit electrically connects the detector to receive the board detecting data and transmit the machine according to the communications protocol
Platform detecting data.
Power quality monitoring system of the present utility model, board detecting station also includes a circuit brake, and the circuit is protected
Shield device is electrically connected between the lightning strike protector and the detector does not discharge the complete pulse current to receive, when the pulse current
More than certain value, then the circuit brake is auto-cutout.
The beneficial effects of the utility model are：The detecting station can once detect multiple boards, and the detecting station can be actively
Detecting data is transmitted to the master station, so that the master station can carry out data analysis according to received detecting data,
So that a monitoring personnel can directly understand the state for the board that the distribution board is electrically connected by the master station, and facilitate
The monitoring personnel operation, and save the activity duration.
Brief description of the drawings
Other features and effect of the present utility model, will clearly be presented in the embodiment with reference to schema, wherein：
Fig. 1 is a schematic diagram, illustrates an embodiment of existing power quality monitoring system；
Fig. 2 is a schematic diagram, illustrates a first embodiment of the utility model power quality monitoring system；
Fig. 3 is a schematic diagram, illustrates that the first embodiment of the utility model power quality monitoring system is detectd comprising multiple
Survey station；
Fig. 4 is a schematic diagram, illustrates another aspect of the first embodiment of the utility model power quality monitoring system；
Fig. 5 is a schematic diagram, illustrates a second embodiment of the utility model power quality monitoring system；
Fig. 6 is a schematic diagram, illustrates a 3rd embodiment of the utility model power quality monitoring system；
Fig. 7 is a schematic diagram, illustrates the aspect of a distribution board of the utility model power quality monitoring system；
Fig. 8 is a schematic diagram, illustrates a fourth embodiment of the utility model power quality monitoring system；
Fig. 9 is a schematic diagram, illustrates the 4th board monitoring station implemented of the utility model power quality monitoring system
The first aspect；
Figure 10 is a schematic diagram, illustrates the 4th board monitoring station implemented of the utility model power quality monitoring system
The second aspect；
Figure 11 is a schematic diagram, illustrates the 4th board monitoring station implemented of the utility model power quality monitoring system
The 3rd aspect；And
Figure 12 is a schematic diagram, illustrates the 4th board monitoring station implemented of the utility model power quality monitoring system
The 4th aspect.
Embodiment
Before the utility model is described in detail, it shall be noted that in the following description content, similar element is with phase
With numbering represent.
Refering to Fig. 2, a first embodiment of the utility model power quality monitoring system electrically connects at least one distribution board
1, and the distribution board 1 electrically connects multiple boards 11 in a wherein region in multiple regions of a factory to collect the plurality of board 11
Electric power, the power quality monitoring system includes at least one detecting station 2, an and master station 3.
The whole district that the distribution board 1 is detected at the detecting station 2 powers breaker to produce an electricity of the plurality of board 11 of an instruction
The detecting data of power summation, and the detecting data is transmitted according to a communications protocol, the electric power summation is relevant to a magnitude of voltage and one
Current value, the detecting station 2 includes a detector 21, and a transmission unit 22.
The detector 21 detects the distribution board 1 to produce the detecting number for the electric power summation for indicating the plurality of board 11
According to.
The transmission unit 22 electrically connects the detector 21 and detectd with receiving the detecting data and transmitting this according to the communications protocol
Data are surveyed, the transmission unit 22 includes a converter 23, and a communicator 24.
The converter 23 electrically connects the detector 21 to receive the detecting data, and the detecting data is turned from analog form
Change the detecting data of digital form into.
The communicator 24 electrically connects the converter 23 to receive the detecting data of digital form, and according to the communications protocol
Transmit the detecting data.
The master station 3 receives the detecting data from the detecting station 2 according to the communications protocol, and for the detecting
Data carry out data analysis in a frequency spectrum, and including a communicator 31, an electric power analysis unit 32, and an input-output unit
33。
The communicator 31 receives the detecting data from the detecting station 2 according to the communications protocol.
The electric power analysis unit 32 electrically connects the communicator 31 to receive the detecting data, and stores the current value and the electricity
Pressure value, and Fourier analysis one analyze data of generation is carried out according to the magnitude of voltage and the current value, and should according to an instruction output
Analyze data, the electric power analysis unit 32 includes a processor 34, and an abnormality warnings device 35.
The processor 34 is electrically connected between the communicator 31 and the input-output unit 33, to receive and store the detecting number
According to the current value and the magnitude of voltage, and Fourier analysis generation is carried out according to the magnitude of voltage and the current value and the analysis is stored
Data.
The abnormality warnings device 35 is electrically connected between the processor 34 and the input-output unit 33 comes from the processing to receive
The analyze data of device 34, and an interval, electric current is given tacit consent to a voltage according to the magnitude of voltage, the current value and a noise value respectively
Pre-set interval and a normal value multilevel iudge are to produce and export a caution signal, and the caution signal is warned including an electric voltage exception
Accuse, a current anomaly is alerted, and a noise abnormality warnings.
Give tacit consent to interval when the magnitude of voltage is more than or less than the voltage, then the abnormality warnings device 35 produces electric voltage exception police
Accuse；When the current value is more than or less than the electric current pre-set interval, then the abnormality warnings device 35 produces current anomaly warning；And work as
The noise value is more than a normal value, and the abnormality warnings device 35 produces the noise abnormality warnings.
The input-output unit 33 electrically connects the electric power analysis unit 32 to receive and show the analyze data and the warning
Signal, the input-output unit 33 includes a display 36, and an input unit 37.
The display 36 electrically connects the processor 34 and the abnormality warnings device 35, to receive and show the analyze data and be somebody's turn to do
Caution signal.
The input unit 37 electrically connects the processor 34, to produce an instruction, and the input unit 37 includes a keyboard, and one
Mouse etc..
For clear explanation, it is illustrated herein for the first embodiment, the detector 21 at the detecting station 2 is solid every one
The detecting distribution board 1 fix time to produce the detecting data, and by the converter 23 of the transmission unit 22 by the detecting number
Digital form is converted into according to from analog form, the communicator 24 of the transmission unit 22 receives the detecting data in digital form
And the detecting data is transmitted to the master station 3, the communicator 31 of the master station 3 receives the detecting data and is sent to this
Processor 34 is so that it is received and stores the detecting data, and the processor 34 carries out Fourier according to the magnitude of voltage and the current value
Analysis produces a harmonic information, the energy (DBuV) corresponding to harmonic information record different frequency, further according to the harmonic information
The noise value is analyzed, the processor 34 calculates a voltage total harmonic distortion value respectively further according to the magnitude of voltage and the current value
And a current total harmonic distortion value (THID), even, the processor 34 can also analyze this according to the current value and match somebody with somebody (THVD)
Whether the board situation for the board 11 that electroplax 1 is electrically connected has exception, the harmonic information, the noise value, the total harmonic wave of the voltage
Distortion value and the current total harmonic distortion value collectively constitute the analyze data.
The processor 34 often produces an analyze data, and the analyze data and the detecting data just are exported into alert to the exception
Device 35 is accused, so that the abnormality warnings device 35 is compared and judges whether to produce and export the caution signal.
For example, the voltage acquiescence defined stored by the abnormality warnings device 35 is interval for 0 volt to 100 volts, when
When the size of the magnitude of voltage of the detection signal that the abnormality warnings device 35 is received is 80 volts, the abnormality warnings device 35 is then sentenced
The magnitude of voltage of the disconnected detection signal is located in voltage acquiescence interval, i.e., do not produce the electric voltage exception and alert；And when this is different
When the size of the magnitude of voltage of the detection signal that normal alarm 35 is received is 110 volts, the abnormality warnings device 35 then judges
The magnitude of voltage of the detection signal is more than the voltage and gives tacit consent to interval, then produces and export electric voltage exception warning, the display 36
Receive and show electric voltage exception warning to warn a monitoring personnel, the monitoring personnel can be alerted according to the electric voltage exception to be confirmed
The situation of the board 11 in its that region detected, is further carried out except the wrong action repaired.
And export a certain analyze data or a certain pen when the processor 34 receives the instruction from the input unit 37
During detecting data, the processor 34 exports this analyze data or this detecting data to the display 36, and passes through this
Display 36 is shown so that the monitoring personnel can directly understand the institute in a wherein region of the factory by the master station 3
The state of board 11 is stated, and facilitates the monitoring personnel operation, and saves the activity duration.
Similarly, can also there be multiple detecting stations 2 at the detecting station 2 of the first embodiment, and as shown in Figure 3 is detected with the firstth area
The 2a and the secondth area detecting station 2b that stands represents, its start is also such as the start at an above-mentioned detecting station 2, and difference is in should
The communicator 31 of master station 3 can receive firstth area detecting station 2a communicator 24 and secondth area detects station 2b communication
The detecting data that device 24 is exported respectively, consequently, it is possible to which the monitoring personnel can understand each of the factory by the master station 3
The state of the board 11 in region, the situation of the control factory that more can be properly.
In addition, refering to Fig. 4, needing it is worth noting that, there be another aspect at the detecting station 2 of this first embodiment, this is another
One aspect is that the transmission unit 22 at the detecting station 2 can not also include the converter 23, that is to say, that the transmission unit 22
The communicator 24 directly receive and export detecting data in analog form from the detector 21 for monitoring master
3 communicator 31 of standing is received, and follow-up start will not be repeated here with the first embodiment.
Refering to Fig. 5, a second embodiment of the utility model power quality monitoring system is similar to the first embodiment, no
Exist together and be：The detecting station 2 also includes a lightning strike protector 25, and the lightning strike protector 25 is electrically connected to the detector 21 and ground
Between, for discharging the pulse current produced by lightning induction.
Refering to Fig. 6, a 3rd embodiment of the utility model power quality monitoring system is similar to the second embodiment, no
Exist together and be：The detecting station 2 also includes a circuit brake 26, and the circuit brake 26 is electrically connected to the He of lightning strike protector 25
The complete pulse current is not discharged to receive between the detector 21, when the pulse current exceedes certain value, then the circuit protection
Device 26 is auto-cutout.
Refering to Fig. 7, it is illustrated according to the distribution board 1 to more thin portion, the distribution board 1 is powered breaker including a whole district
13, and multiple boards power breaker 12, whole district breaker 13 of powering receives an external voltage Vcc, and electrically connects the machine
Platform is powered breaker 12 and powered breaker 12 with supplying electrical power to the board, and each board breaker 12 of powering electrically connects a work
The corresponding board 11 in a wherein region in multiple regions of factory is to supply electrical power to the corresponding board 11.
Refering to Fig. 8, a fourth embodiment of the utility model power quality monitoring system is similar to the first embodiment, its
Difference be in：The power quality monitoring system is also comprising at least one board detecting station 8, and board detecting station 8 is electrically connected to
The power corresponding board therein of breaker 12 of board 14 and the board to be detected is powered between breaker so that the board
Detecting station 8 is able to power breaker 12 by detecting the corresponding board to produce an electricity of the instruction board 14 to be detected
The board detecting data of power, and the board detecting data is transmitted to the master station 3 according to the communications protocol, for monitoring master
3 communicator 31 of standing is received.
Refering to Fig. 9, board detecting station 8 includes a detector 81, and a transmission unit 82 for electrically connecting the detector 81,
The transmission unit 82 includes a communicator 83.
For clear explanation, only by taking a board detecting station 8 as an example, and board 14 to be detected is detected at board detecting station 8
Board is powered breaker 12, and the detector 81 at board detecting station 8 is to detect the board to power open circuit every a scheduled time
Device 12 is to produce the board detecting data for the electric power for indicating the board 14 to be detected, and the transmission unit 82 receives the board and detectd
Survey data and the board detecting data transmitted according to the communications protocol, the master station 3 receives and stores the board detecting data,
Fourier analysis is carried out further according to the board detecting data and produces the harmonic information, and therefore, the monitoring personnel can be at any time by this
The input unit 37 and the display 36 for monitoring main website 3 monitor the board 14 to be detected.
The utility model power quality monitoring system can determine the reality at board detecting station 8 according to factory's actual demand
Quantity, for example, the board to be detected 14 of the a-quadrant of the factory is the important board of the factory, then can directly set up a board and detect
Survey station 8, and by the board detect station 8 electrically connect the a-quadrants distribution boards 1 board to be detected 14 corresponding to board power it is disconnected
Road device 12 to monitor the power condition of the board 14 to be detected at any time.The another of the present embodiment is deformed into：In the A areas of the factory
Domain, sets up board detecting station 8 for each board, that is, sets up multiple boards detecting station 8 and be electrically connected to the a-quadrant distribution
The plurality of board of disk 1 is powered breaker 12, with the power condition for the multiple boards 11 for detecting the factory respectively so that when this is aobvious
When showing that the output of device 36 caution signal warns the a-quadrant of the monitoring personnel factory problematic, the monitoring personnel is not required in person extremely
The a-quadrant measures the power condition of the plurality of board 11 one by one, and directly and quickly can switch this by the input unit 37 and show
Show the picture of device 36 to watch the power condition of each board 11 so as to fast debugging and repair.
In addition, need to remark additionally, refering to the first aspect that Fig. 9 to Figure 12 is board detecting station 8 to the 4th aspect,
Board detecting station 8 may also include a lightning strike protector 84 being electrically connected between the detector 81 and ground, and one is electrically connected to this
Circuit brake 85 between lightning strike protector 84 and the detector 81, and the transmission unit 82 is also electrically connected to the detecting including one
Converter 86 between device 81 and the communicator 83, the start of the lightning strike protector 84, the circuit brake 85 and the converter 86
Lightning strike protector 25, the circuit brake 26 with the detecting station 2 is identical with the converter 23, so will not be repeated here.
Furthermore, the master station 3 of the above-mentioned first embodiment to the fourth embodiment according to the communication except that can assist
View is received beyond the board detecting data and the detecting data at board detecting station 8 and the detecting station 2 respectively, it is possibility to have line
The mode of electrical connection realizes the transmission of the board detecting data and the detecting data.
In summary, the utility model power quality monitoring system has advantages below：
1. once detect all boards in the region：Due to each detecting station of the utility model power quality monitoring system
The whole district of one of the 2 detector 21 electrical connection keyholed back plate factory distribution board 1 in region powers breaker 13, so should
Detector 21 may detect that the situation of the board 11 in one of them region, and therefore, the monitoring personnel is not necessary to monitor one by one
It just can directly know the power condition of whole region.
2. board 11 can be detected individually：The board detecting station 8 of the utility model power quality monitoring system passes through electricity
Connect the distribution board 1 the board power breaker 12 can directly detect the region each board 11 power condition,
So as to when the monitoring personnel knows that some region of power condition is problematic, be not required to take excessive time and excessive manpower
In detecting some region of each board 11, and directly it can pass through the input unit and display observation in monitoring main website 3
It is which some region of board is problematic.
3. automated analysis data：It is each to detect standing-meeting by the electrical power conversion detected into detecting data, and in this
Set time is sent to the master station 3 by the communicator 24, and the master station 3 is again by the processor 34 progress computing
The analyze data is obtained, so that the monitoring personnel can understand the board in each region of the factory by the master station 3
11 state, and facilitate the monitoring personnel operation, and save the activity duration.
4. can Analyze noise：Processor 34 that the utility model power quality monitoring system passes through the master station 3
The energy (DBuV) of different frequency is obtained according to the magnitude of voltage progress Fourier transform of the detecting data, and then uses electromagnetic field
Disturb quantitative analysis and calculate noise.
5. with abnormality warnings function：If the abnormality warnings device 35 judges the magnitude of voltage of the analyze data, the current value
The caution signal is then produced with noise generation exception and receives and shows for the screen, and therefore, the monitoring personnel can be sent out in real time
Existing unusual condition, and repair in real time.
The monitoring personnel is caused only to need just time saving and energy saving to monitor each by the master station 3 using above-mentioned advantage
Each board 11 in region, so the purpose of this utility model can be reached really.
As described above, embodiment only of the present utility model, when can not be limited with this utility model implementation
Scope, i.e., all simple equivalent changes and modificationss made according to the utility model claims and description, all still belongs to
Scope of the present utility model.
Claims (19)
1. a kind of power quality monitoring system, electrically connects at least one distribution board, and the distribution board electrically connects multiple boards to converge
Collect the electric power of the plurality of board, it is characterised in that：The power quality monitoring system is included：
At least one detecting station, detects the distribution board to produce the detecting number of an electric power summation for indicating the plurality of board
According to, and the detecting data is transmitted according to a communications protocol；And
One master station, the detecting data from the detecting station is received according to the communications protocol, and for the detecting number
Data analysis is carried out according in a frequency spectrum.
2. power quality monitoring system according to claim 1, it is characterised in that：The master station enters to the detecting data
Row Fourier analysis produces a harmonic information, and the harmonic information records the energy corresponding to different frequency, and according to the harmonic wave
Information analysis goes out a noise value.
3. power quality monitoring system according to claim 2, it is characterised in that：The electric power summation is relevant to a voltage
Value, the master station is always according to the harmonic information to calculate a voltage total harmonic distortion value.
4. power quality monitoring system according to claim 2, it is characterised in that：The electric power summation is relevant to an electric current
Value, the master station is according to the harmonic information to calculate a current total harmonic distortion value.
5. power quality monitoring system according to claim 1, it is characterised in that：The electric power summation is relevant to an electric current
Value and a magnitude of voltage, the master station include
One communicator, the detecting data from the detecting station is received according to the communications protocol,
One electric power analysis unit, electrically connects the communicator to receive the detecting data, and stores the current value and the magnitude of voltage,
And Fourier analysis one analyze data of generation is carried out according to the magnitude of voltage and the current value, and the analysis is exported according to an instruction
Data, and
One input-output unit, produces the instruction, and electrically connect the electric power analysis unit to receive and show the analyze data.
6. power quality monitoring system according to claim 5, it is characterised in that：The electric power analysis unit includes
One processor, is electrically connected between the communicator and the input-output unit, to receive and store the current value and the electricity
Pressure value, and Fourier analysis generation is carried out according to the magnitude of voltage and the current value and the analyze data is stored, always according to the instruction
Export the analyze data.
7. power quality monitoring system according to claim 6, it is characterised in that：The analyze data includes a noise
Value, the electric power analysis unit also includes
One abnormality warnings device, is electrically connected between the processor and the input-output unit to receive this point from the processor
Data are analysed, and an interval, electric current preset areas is given tacit consent to a voltage according to the magnitude of voltage, the current value and the noise value respectively
Between and a normal value multilevel iudge whether produce and export a caution signal and receive and show for the input-output unit, the police
Accusing signal includes an electric voltage exception warning, a current anomaly warning, and a noise abnormality warnings,
Give tacit consent to interval when the magnitude of voltage is more than or less than the voltage, then the abnormality warnings device produces electric voltage exception warning,
When the current value is more than or less than the electric current pre-set interval, then the abnormality warnings device produces current anomaly warning, and
When the noise value is more than the normal value, the abnormality warnings device produces the noise abnormality warnings.
8. power quality monitoring system according to claim 1, it is characterised in that：The detecting station includes
One detector, detects the distribution board to produce the detecting data for the electric power summation for indicating the plurality of board, and
One transmission unit, electrically connects the detector to receive the detecting data and transmit the detecting number according to the communications protocol
According to.
9. power quality monitoring system according to claim 8, it is characterised in that：The transmission unit includes
One communicator, electrically connects the detector to receive the detecting data, and transmit the detecting data according to the communications protocol.
10. power quality monitoring system according to claim 8, it is characterised in that：The transmission unit includes
One converter, electrically connects the detector to receive the detecting data, and the detecting data is converted into from analog form
The detecting data of digital form, and
One communicator, electrically connects the converter to receive the detecting data of digital form, and transmit according to the communications protocol
The detecting data.
11. power quality monitoring system according to claim 1, it is characterised in that：The detecting station includes
One detector, detects the distribution board to produce the detecting data for the electric power summation for indicating the plurality of board,
One lightning strike protector, is electrically connected between the detector and ground, for discharging produced by lightning induction pulse
Electric current, and
One transmission unit, electrically connects the detector to receive the detecting data and transmit the detecting number according to the communications protocol
According to.
12. power quality monitoring system according to claim 11, it is characterised in that：The detecting station also includes
One circuit brake, is electrically connected between the lightning strike protector and the detector and does not discharge complete pulse electricity to receive
Stream, when more than one definite value of the pulse current, then the circuit brake is auto-cutout.
13. power quality monitoring system according to claim 1, it is characterised in that：The distribution board includes one and received outside one
The whole district of portion's voltage is powered breaker, and multiple boards are powered breaker, and whole district circuit breaker electric of powering connects the board and supplied
Electrical circuit breakers, and the board is powered the corresponding board of circuit breaker electric connection, what the distribution board was detected at the detecting station should
The whole district powers breaker to produce the detecting data.
14. power quality monitoring system according to claim 13, it is characterised in that：Also include
One board detecting station, the board for detecting the distribution board is powered one of breaker, and should one of them
Board circuit breaker electric of powering connects the board to be detected therein of the board, and the one of the board to be detected is indicated to produce one
The board detecting data of electric power, and the board detecting data is transmitted to the master station according to the communications protocol.
15. power quality monitoring system according to claim 14, it is characterised in that：Board detecting station includes
One detector, this one of them board for detecting the distribution board powers breaker and indicates the board to be detected to produce
The board detecting data of the electric power, and
One transmission unit, electrically connects the detector to receive the board detecting data and transmit the board according to the communications protocol
Detecting data.
16. power quality monitoring system according to claim 15, it is characterised in that：The transmission unit includes
One communicator, electrically connects the detector to receive the board detecting data, and transmit the board according to the communications protocol
Detecting data.
17. power quality monitoring system according to claim 15, it is characterised in that：The transmission unit includes
One converter, electrically connects the detector to receive the board detecting data, and the board detecting data is simulated into shape certainly
Formula is converted into the board detecting data of digital form, and
One communicator, electrically connects the converter to receive the board detecting data of digital form, and according to the communications protocol
Transmit the board detecting data.
18. power quality monitoring system according to claim 14, it is characterised in that：Board detecting station includes
One detector, this one of them board for detecting the distribution board powers breaker and indicates the board to be detected to produce
The board detecting data of the electric power,
One lightning strike protector, is electrically connected between the detector and ground, for discharging produced by lightning induction pulse
Electric current, and
One transmission unit, electrically connects the detector to receive the board detecting data and transmit the board according to the communications protocol
Detecting data.
19. power quality monitoring system according to claim 18, it is characterised in that：Board detecting station also includes
One circuit brake, is electrically connected between the lightning strike protector and the detector and does not discharge complete pulse electricity to receive
Stream, when more than one definite value of the pulse current, then the circuit brake is auto-cutout.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105213669 | 2016-09-06 | ||
| TW105213669U TWM538274U (en) | 2016-09-06 | 2016-09-06 | Power quality monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206470340U true CN206470340U (en) | 2017-09-05 |
Family
ID=58775383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720104631.7U Expired - Fee Related CN206470340U (en) | 2016-09-06 | 2017-01-24 | Power quality monitoring system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206470340U (en) |
| TW (1) | TWM538274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI744836B (en) * | 2020-03-24 | 2021-11-01 | 新加坡商鴻運科股份有限公司 | System and method for monitoring current |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118892A (en) * | 2018-02-05 | 2019-08-13 | 南京易司拓电力科技股份有限公司 | A kind of power quality device monitoring 3/2 wiring of converter station |
-
2016
- 2016-09-06 TW TW105213669U patent/TWM538274U/en not_active IP Right Cessation
-
2017
- 2017-01-24 CN CN201720104631.7U patent/CN206470340U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI744836B (en) * | 2020-03-24 | 2021-11-01 | 新加坡商鴻運科股份有限公司 | System and method for monitoring current |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM538274U (en) | 2017-03-11 |
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