CN207124489U - A kind of Intelligent power distribution system of high RST transmission stability - Google Patents
A kind of Intelligent power distribution system of high RST transmission stability Download PDFInfo
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- CN207124489U CN207124489U CN201721159011.XU CN201721159011U CN207124489U CN 207124489 U CN207124489 U CN 207124489U CN 201721159011 U CN201721159011 U CN 201721159011U CN 207124489 U CN207124489 U CN 207124489U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/248—UPS systems or standby or emergency generators
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model embodiment provides a kind of Intelligent power distribution system of high RST transmission stability, including：Including：Programmable controller, power supply unit, analog signalses isolator, on-off model isolator, programmable controller expanding element and uninterrupted power source.The utility model is additionally arranged signal isolator and uninterrupted power source, the signal collected can be divided into multiple signals output by signal isolator, and prevent interfering between output signal, uninterrupted power source then provides stand-by power supply for distribution system, therefore solve that stable signal transmission is low and power supply unit is stopped power supply, the technical problem of fragile relevant device.
Description
Technical field
It the utility model is related to field of power distribution, more particularly to a kind of Intelligent power distribution system of high RST transmission stability.
Background technology
Intelligent distribution system is the demand by user, it then follows the standard criterion of distribution system and a set of of secondary development has
It is strongly professional, automaticity is high, easy use, high-performance, it is highly reliable the features such as the electric energy pipe suitable for low-voltage distribution system
Reason system.By telemetry and telecommand can with rational allocation load, realize optimization operation, effectively save electric energy, and have peak with it is low
Paddy electrographic recording, so as to provide necessary condition for energy management.
During the intelligent distribution system use of prior art, there are a variety of interference in signal acquisition and transmitting procedure, simultaneously
Power supply unit design is unreasonable, is only powered by AC power by power supply unit, easily because AC power has a power failure or matches somebody with somebody
Electric unit internal fault and stop power supply, cause stable signal transmission low and power supply unit stopped power supply, fragile correlation
The technical problem of equipment.
Utility model content
The utility model embodiment discloses a kind of Intelligent power distribution system of high RST transmission stability, is additionally arranged signal
Isolator and uninterrupted power source, the signal collected can be divided into multiple signals output by signal isolator, and prevent output signal
Between interfere, uninterrupted power source then provides stand-by power supply for distribution system, therefore it is low to solve stable signal transmission
And power supply unit is stopped power supply, the technical problem of fragile relevant device.
The utility model embodiment provides a kind of Intelligent power distribution system of high RST transmission stability, including：It can compile
Range controller, power supply unit, analog signalses isolator, on-off model isolator, programmable controller expanding element and not
Uninterruptible power；
The programmable controller expanding element specifically includes analog signalses input block and on-off model input is single
Member；
The analog signalses isolator is one-in-and-two-out pattern analog quantity signal isolator；
The on-off model isolator is one-in-and-two-out type on-off model isolator；
First output end of the analog signalses isolator and the input of the analog signalses input block are electrical
Connection；
First output end of the on-off model isolator and the input of the on-off model input block are electrical
Connection；
The output end of the analog signalses input block electrically connects with the analog input end of the programmable controller
Connect；
The output end of the on-off model input block electrically connects with the On-off signal end of the programmable controller
Connect；
The output end of the uninterrupted power source and the input of the power supply unit are electrically connected with；
The output end of the power supply unit and the programmable controller, the analog signalses isolator and the switch
The receiving end for measuring signal isolator is electrically connected with.
Preferably, the power supply unit specifically includes：Alternating Current Unit, Direct Current Distribution Unit and step-down rectifier unit；
The output end of the Alternating Current Unit and the input of the step-down rectifier unit are electrically connected with；
The output end of the step-down rectifier unit is electrically connected with the input of the Direct Current Distribution Unit；
The input of the DC output end of the uninterrupted power source and the Direct Current Distribution Unit is electrically connected with；
The input of the ac output end of the uninterrupted power source and the Alternating Current Unit is electrically connected with；
The output end of the Alternating Current Unit and the receiving end of the programmable controller are electrically connected with；
The output end of the Direct Current Distribution Unit respectively with the analog signalses isolator and the on-off model every
Receiving end from module is electrically connected with.
Preferably, the step-down rectifier unit specifically includes：Step-down transformer, rectification circuit, filter circuit and voltage stabilizing electricity
Road；
The output end of the Alternating Current Unit and the input of the step-down transformer are electrically connected with；
The output end of the step-down transformer and the input of the rectification circuit are electrically connected with；
The output end of the rectification circuit and the input of the filter circuit are electrically connected with；
The output end of the filter circuit and the input of the mu balanced circuit are electrically connected with；
The output end of the mu balanced circuit and the input of the Direct Current Distribution Unit are electrically connected with.
Preferably, the power supply unit also includes：First diode, the second diode；
The positive pole of first diode is electrically connected with the output end of the mu balanced circuit, and first diode is born
Pole and the input of the Direct Current Distribution Unit are electrically connected with；
The positive pole of second diode is electrically connected with the output end of the uninterrupted power source to be connected, the two or two pole
The input of the negative pole of pipe and the Direct Current Distribution Unit is electrically connected with.
Preferably, the power supply unit also includes：AC power detection means and direct-current power supply detection device；
The AC power detection means and the input of the Alternating Current Unit are electrically connected with；
The output end of the direct-current power supply detection device and the mu balanced circuit is electrically connected with.
Preferably, in addition to：Device of solar generating；
The input of the device of solar generating and the uninterrupted power source is electrically connected with.
Preferably, in addition to：Control unit；
The programmable controller expanding element, in addition to：Analog signalses output unit and on-off model output are single
Member；
The input of the analog signalses output unit electrically connects with the analog output end of the programmable controller
Connect；
The input of the on-off model output unit electrically connects with the output switch parameter end of the programmable controller
Connect；
The output end of the analog signalses output unit and the analog input end of described control unit are electrically connected with；
The output end of the on-off model output unit and the On-off signal end of described control unit are electrically connected with.
Preferably, in addition to：Instrument display unit, state instruction lamp plate；
Second output end of the analog signalses isolator is electrically connected with instrument display unit；
Second output end of the on-off model isolator is electrically connected with the state instruction lamp plate.
Preferably, in addition to：Communication unit；
The communication unit, including Landline communication unit and wireless communication unit；
Or, Landline communication unit；
Or, wireless communication unit.
Preferably, the Landline communication unit connects including RS-232 communication interfaces, RS-485 communication interfaces and RJ45 communications
At least one of mouth communication interface；
The wireless communication unit includes at least one in 2G communications subelement, 3G communication subelements and 4G communication subelements
Kind communication subelement.
As can be seen from the above technical solutions, the utility model embodiment has advantages below：
The utility model embodiment provides a kind of Intelligent power distribution system of high RST transmission stability, including：It can compile
Range controller, power supply unit, analog signalses isolator, on-off model isolator, programmable controller expanding element and not
Uninterruptible power；The programmable controller expanding element specifically includes analog signalses input block and on-off model input is single
Member；First output end of the analog signalses isolator and the input of the analog signalses input block are electrically connected with；
First output end of the on-off model isolator and the input of the on-off model input block are electrically connected with；It is described
The output end of analog signalses input block and the first input end of the programmable controller are electrically connected with；The switching value letter
The output end of number input block is electrically connected with the second input of the programmable controller；The output of the uninterrupted power source
End and the input of the power supply unit are electrically connected with；It is the output end of the power supply unit and the programmable controller, described
The receiving end of analog signalses isolator and the on-off model isolator is electrically connected with.The utility model be additionally arranged signal every
From device and uninterrupted power source, the signal collected can be divided into multiple signals output by signal isolator, and prevent between output signal
Interfere, uninterrupted power source then provides stand-by power supply for distribution system, thus solve stable signal transmission it is low with
And power supply unit is stopped power supply, the technical problem of fragile relevant device.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of showing for the Intelligent power distribution system of the high RST transmission stability provided in the utility model embodiment
It is intended to；
Fig. 2 is a kind of matching somebody with somebody for the Intelligent power distribution system of the high RST transmission stability provided in the utility model embodiment
Electric unit inside and the connection relationship diagram of uninterrupted power source；
Wherein, reference is as follows：
1st, programmable controller；2nd, communication unit；3rd, control unit；4th, power supply unit；5th, analog signalses input block；
6th, on-off model input block；7th, analog signalses output unit；8th, on-off model output unit；9th, analog signalses every
From device；10th, on-off model isolator；11st, analog signalses harvester；12nd, instrument display unit；13rd, on-off model
Detection means；14th, state instruction lamp plate；15th, server；16th, operator station；17th, Alternating Current Unit；18th, DC distribution list
Member；19th, step-down transformer；20th, rectification circuit；21st, filter circuit；22nd, mu balanced circuit；23rd, uninterrupted power source；24th, alternating current
Source detection means；25th, direct-current power supply detection device；26th, the first diode；27th, the second diode；28th, device of solar generating；
29th, S1 is switched；30th, S2 is switched；31st, S3 is switched；32nd, S4 is switched；33rd, AC electric equipment；34th, direct-flow electricity utilization apparatus.
Embodiment
The utility model embodiment discloses a kind of Intelligent power distribution system of high RST transmission stability, is additionally arranged signal
Isolator and uninterrupted power source, the signal collected can be divided into multiple signals output by signal isolator, and prevent output signal
Between interfere, uninterrupted power source then provides stand-by power supply for distribution system, therefore it is low to solve stable signal transmission
And power supply unit is stopped power supply, the technical problem of fragile relevant device.
Fig. 1 and Fig. 2 are referred to, a kind of intellectuality of the high RST transmission stability provided in the utility model embodiment is matched somebody with somebody
One embodiment of electric system includes：Programmable controller 1, power supply unit 4, analog signalses isolator 9, on-off model every
From device 10, programmable controller expanding element and uninterrupted power source 23；
Programmable controller expanding element specifically includes analog signalses input block 5 and on-off model input block 6；
Analog signalses isolator 9 is one-in-and-two-out pattern analog quantity signal isolator；
On-off model isolator 10 is one-in-and-two-out type on-off model isolator；
First output end of analog signalses isolator 9 is electrically connected with the input of analog signalses input block 5；
First output end of on-off model isolator 10 is electrically connected with the input of on-off model input block 6；
The output end of analog signalses input block 5 is electrically connected with the analog input end of programmable controller 1；
The output end of on-off model input block 6 is electrically connected with the On-off signal end of programmable controller 1；
The output end of uninterrupted power source 23 is electrically connected with the input of power supply unit 4；
The output end of power supply unit 4 and programmable controller 1, analog signalses isolator 9 and on-off model isolator
10 receiving end is electrically connected with.
It should be noted that analog signalses isolator 9 and on-off model isolator 10 enter two including multiple one respectively
The analog signalses isolator 9 of output and the multiple one on-off model isolator 10 for entering two outputs；
Power supply unit 4 is the AC electric equipment 33 (such as programmable controller 1) and direct-flow electricity utilization apparatus in distribution system
34 (such as analog signalses isolators 9) are powered；
Programmable controller expanding element is powered by programmable controller 1；
Uninterrupted power source 23, refer to battery (being mostly plumbic acid maintenance-free battery) with main frame being connected, pass through main frame
Direct current is converted into the system equipment of civil power by the modular circuits such as inverter；
Analog signalses harvester 11 includes humidity sensor, temperature sensor, voltage sensor, current sensor etc.
Sensor, gather analog signalses, such as moisture signal, temperature signal, voltage signal, current signal；Analog signalses gather
Device 11 is connected with analog signalses isolator 9, and analog signalses isolator 9 is connected with analog signalses input block 5, input
Analog signalses；The detection switch amount signal of on-off model detection means 13, as master switch position signal, temperature switch signal,
Oil pressure shut-off switch signal etc., on-off model detection means 13 pass through on-off model isolator 10 and on-off model input block
6 are input to on-off model in programmable controller 1.
Fig. 1 and Fig. 2 are referred to, a kind of intellectuality of the high RST transmission stability provided in the utility model embodiment is matched somebody with somebody
Another embodiment of electric system, including：Programmable controller 1, power supply unit 4, analog signalses isolator 9, switching value letter
Number isolator 10, programmable controller expanding element and uninterrupted power source 23；
Programmable controller expanding element specifically includes analog signalses input block 5 and on-off model input block 6；
Analog signalses isolator 9 is one-in-and-two-out pattern analog quantity signal isolator；
On-off model isolator 10 is one-in-and-two-out type on-off model isolator；
First output end of analog signalses isolator 9 is electrically connected with the input of analog signalses input block 5；
First output end of on-off model isolator 10 is electrically connected with the input of on-off model input block 6；
The output end of analog signalses input block 5 is electrically connected with the analog input end of programmable controller 1；
The output end of on-off model input block 6 is electrically connected with the On-off signal end of programmable controller 1；
The output end of uninterrupted power source 23 is electrically connected with the input of power supply unit 4；
The output end of power supply unit 4 and programmable controller 1, analog signalses isolator 9 and on-off model isolator
10 receiving end is electrically connected with.
Further, power supply unit 4 specifically includes：Alternating Current Unit 17, Direct Current Distribution Unit 18 and step-down rectifier list
Member；
The output end of Alternating Current Unit 17 is electrically connected with the input of step-down rectifier unit；
The output end of step-down rectifier unit is electrically connected with the input of Direct Current Distribution Unit 18；
The DC output end of uninterrupted power source 23 is electrically connected with the input of Direct Current Distribution Unit 18；
The ac output end of uninterrupted power source 23 is electrically connected with the input of Alternating Current Unit 17；
The output end of Alternating Current Unit 17 is electrically connected with the receiving end of programmable controller 1；
The output end of Direct Current Distribution Unit 18 respectively with analog signalses isolator 9 and on-off model isolation module by
Electric end is electrically connected with.
It should be noted that AC power is connected with Alternating Current Unit 17, through Alternating Current Unit 17 to exchange electricity consumption
Equipment 33 is powered；Alternating current is become direct current by Alternating Current Unit 17 by step-down rectifier unit, through Direct Current Distribution Unit 18
Powered to direct-flow electricity utilization apparatus 34；
Uninterrupted power source 23 is connected with Alternating Current Unit 17 and Direct Current Distribution Unit 18 respectively, when AC power is abnormal or
It can be entered when person's step-down rectifier unit exception from uninterrupted power source 23 to Alternating Current Unit 17 and Direct Current Distribution Unit 18
Row power supply, improve the stability of power supply unit 4.
Further, step-down rectifier unit specifically includes：Step-down transformer 19, rectification circuit 20, filter circuit 21 and steady
Volt circuit 22；
The output end of Alternating Current Unit 17 is electrically connected with the input of step-down transformer 19；
The output end of step-down transformer 19 is electrically connected with the input of rectification circuit 20；
The output end of rectification circuit 20 is electrically connected with the input of filter circuit 21；
The output end of filter circuit 21 is electrically connected with the input of mu balanced circuit 22；
The output end of mu balanced circuit 22 is electrically connected with the input of Direct Current Distribution Unit 18.
It should be noted that the AC power being depressured through step-down transformer 19 is rectified into direct current by rectification circuit 20
Source, filter circuit 21 are used for the AC harmonic for filtering dc source, and mu balanced circuit 22 is used for stable DC voltage, improves direct current
The quality in source.
Further, power supply unit 4 also includes：First diode 26, the second diode 27；
The output end of the positive pole of first diode 26 and mu balanced circuit 22 is electrically connected with, the negative pole of the first diode 26 with it is straight
The input for flowing power supply unit 18 is electrically connected with；
The positive pole of second diode 27 is electrically connected with the output end of uninterrupted power source 23 to be connected, and the second diode 27 is born
Pole and the input of Direct Current Distribution Unit 18 are electrically connected with.
It should be noted that when uninterrupted power source 23 is powered, the first diode the 26, the 2nd 2 can be passed through
Alternating Current Unit 17, Direct Current Distribution Unit 18 and step-down rectifier cell isolation are avoided causing exchange to become by pole pipe 27 and switch
Unnecessary energy dissipation in DC link.
Further, power supply unit 4 also includes：AC power detection means 24 and direct-current power supply detection device 25；
AC power detection means 24 and the input of Alternating Current Unit 17 are electrically connected with；
The output end of direct-current power supply detection device 25 and mu balanced circuit 22 is electrically connected with.
It should be noted that AC power detection means 24 is used to detect whether AC power occurs exception；
Direct-current power supply detection device 25 is used to detect whether the dc source that step-down rectifier unit is output occurs exception.
Further, in addition to：Device of solar generating 28；
The input of device of solar generating 28 and uninterrupted power source 23 is electrically connected with.
It should be noted that uninterrupted power source 23 is connected with device of solar generating 28, device of solar generating 28 is utilized
Charged to uninterrupted power source 23, after AC power power-off, solar charging device can also continue as uninterrupted power source 23 and charge, and increase
Add the duration of uninterrupted power source 23, possess the effect of energy-conserving and environment-protective.
Fig. 1 and Fig. 2 are referred to, a kind of intellectuality of the high RST transmission stability provided in the utility model embodiment is matched somebody with somebody
Another embodiment of electric system includes：Programmable controller 1, power supply unit 4, analog signalses isolator 9, on-off model
Isolator 10, programmable controller expanding element and uninterrupted power source 23；
Programmable controller expanding element specifically includes analog signalses input block 5 and on-off model input block 6；
Analog signalses isolator 9 is one-in-and-two-out pattern analog quantity signal isolator；
On-off model isolator 10 is one-in-and-two-out type on-off model isolator；
First output end of analog signalses isolator 9 is electrically connected with the input of analog signalses input block 5；
First output end of on-off model isolator 10 is electrically connected with the input of on-off model input block 6；
The output end of analog signalses input block 5 is electrically connected with the analog input end of programmable controller 1；
The output end of on-off model input block 6 is electrically connected with the On-off signal end of programmable controller 1；
The output end of uninterrupted power source 23 is electrically connected with the input of power supply unit 4；
The output end of power supply unit 4 and programmable controller 1, analog signalses isolator 9 and on-off model isolator
10 receiving end is electrically connected with.
Further, power supply unit 4 specifically includes：Alternating Current Unit 17, Direct Current Distribution Unit 18 and step-down rectifier list
Member；
The output end of Alternating Current Unit 17 is electrically connected with the input of step-down rectifier unit；
The output end of step-down rectifier unit is electrically connected with the input of Direct Current Distribution Unit 18；
The DC output end of uninterrupted power source 23 is electrically connected with the input of Direct Current Distribution Unit 18；
The ac output end of uninterrupted power source 23 is electrically connected with the input of Alternating Current Unit 17；
The output end of Alternating Current Unit 17 is electrically connected with the receiving end of programmable controller 1；
The output end of Direct Current Distribution Unit 18 respectively with analog signalses isolator 9 and on-off model isolation module by
Electric end is electrically connected with.
Further, step-down rectifier unit specifically includes：Step-down transformer 19, rectification circuit 20, filter circuit 21 and steady
Volt circuit 22；
The output end of Alternating Current Unit 17 is electrically connected with the input of step-down transformer 19；
The output end of step-down transformer 19 is electrically connected with the input of rectification circuit 20；
The output end of rectification circuit 20 is electrically connected with the input of filter circuit 21；
The output end of filter circuit 21 is electrically connected with the input of mu balanced circuit 22；
The output end of mu balanced circuit 22 is electrically connected with the input of Direct Current Distribution Unit 18.
Further, power supply unit 4 also includes：First diode 26, the second diode 27；
The output end of the positive pole of first diode 26 and mu balanced circuit 22 is electrically connected with, the negative pole of the first diode 26 with it is straight
The input for flowing power supply unit 18 is electrically connected with；
The positive pole of second diode 27 is electrically connected with the output end of uninterrupted power source 23 to be connected, and the second diode 27 is born
Pole and the input of Direct Current Distribution Unit 18 are electrically connected with.
Further, power supply unit 4 also includes：AC power detection means 24 and direct-current power supply detection device 25；
AC power detection means 24 and the input of Alternating Current Unit 17 are electrically connected with；
The output end of direct-current power supply detection device 25 and mu balanced circuit 22 is electrically connected with.
It should be noted that uninterrupted power source 23 has ac output end and DC output end；Ac output end is with exchanging
Power supply unit 17 is connected, and DC output end is connected with Direct Current Distribution Unit 18.AC power detection means 24 and AC distribution list
The input connection of member 17, for detecting the state of AC power；The output of direct-current power supply detection device 25 and mu balanced circuit 22
End connection, for detecting the state of dc source；It is AC power prison that S1 in this power supply unit 4, which switchs 29 and S2 switches 30,
The normally opened contact of device output is surveyed, S3 switches 31 are the normally-closed contact of AC power monitoring device output, and S4 switches 32 are direct current
The normally-closed contact of electrical power monitoring device output；When AC power input is normal, the closure of S1 switches 29 and S2 switches 30 so that hand over
Stream power supply unit 17 is powered, and then is powered to AC electric equipment 33, and S3 switches 31 disconnect so that uninterrupted power source 23 is with exchanging
Power supply unit 17 is isolated, and in the case of each equal normal work of circuit original paper, Direct Current Distribution Unit 18 is also powered and used to direct current
Electric equipment 34 is powered, and now S4 switches 32 are disconnected so that uninterrupted power source 23 is isolated with Direct Current Distribution Unit 18.Work as AC power
Input is normal, and when step-down transformer 19,20 operation irregularity of rectification circuit, direct-current power supply detection device 25 can not detect direct current
Signal, the closure of S4 switches 32 are pressed, uninterrupted power source 23 is powered to Direct Current Distribution Unit 18.When AC power input is abnormal, S1
Switch 29 and S2 switches 30 to disconnect, S3 switchs the closure of 31 and S4 switches 32 so that uninterrupted power source 23 independently exchanges electricity consumption
Equipment 33 and direct-flow electricity utilization apparatus 34 are powered, and avoid causing energy dissipation unnecessary in AC-DC link.AC power
Detection means 24 and direct-current power supply detection device 25 can also be replaced with relay, and electric dead electricity is obtained to detect power supply by relay
It is whether normal；
When having the first diode 26, when uninterrupted power source 23 is powered to Direct Current Distribution Unit 18,
Direct-current power supply detection device 25 is because the effect of diode will not detect dc source.
Further, in addition to：Device of solar generating 28；
The input of device of solar generating 28 and uninterrupted power source 23 is electrically connected with.
It should be noted that the green energy resource such as wind power generation plant TRT and the electricity of uninterrupted power source 23 can also be passed through
Property connection, energy-conserving and environment-protective.
Further, in addition to：Control unit 3；
The expanding element of programmable controller 1, in addition to：Analog signalses output unit 7 and on-off model output unit
8；
The input of analog signalses output unit 7 is electrically connected with the analog output end of programmable controller 1；
The input of on-off model output unit 8 is electrically connected with the output switch parameter end of programmable controller 1；
The output end of analog signalses output unit 7 is electrically connected with the analog input end of control unit 3；
The output end of on-off model output unit 8 is electrically connected with the On-off signal end of control unit 3.
It should be noted that control unit 3 is electrically connected with Alternating Current Unit 17, supplied by Alternating Current Unit 17
Electricity.
Further, in addition to：Instrument display unit 12, state instruction lamp plate 14；
Second output end of analog signalses isolator 9 is electrically connected with instrument display unit 12；
Second output end of on-off model isolator 10 is electrically connected with state instruction lamp plate 14.
It should be noted that the receiving end of instrument display unit 12 and state instruction lamp plate 14 and the electricity of Direct Current Distribution Unit 18
Property connection, provide dc source by Direct Current Distribution Unit 18；
The analog signalses isolator 9 and on-off model isolator 10 that the utility model uses is One In and Two Out types；Mould
After analog quantity signal from analog amount signal isolator 9 exports, signal delivers to the instrument display unit 12 at scene all the way, by the number of measurement
Value shows that another way delivers to the analog signalses input block 5 of programmable controller 1 by instrument.On-off model is from switching value
After signal isolator 10 exports, signal delivers to state instruction lamp plate 14 all the way, carries out relevant information and shows, such as main switch closure or
Disconnect, the high alarm of temperature, low oil pressure alarm etc.；Another way delivers to the on-off model input block 6 of programmable controller 1.
Further, in addition to：Communication unit 2；
Communication unit 2, including Landline communication unit and wireless communication unit；
Or, Landline communication unit；
Or, wireless communication unit.
Further, Landline communication unit includes RS-232 communication interfaces, RS-485 communication interfaces and RJ45 communication interfaces
At least one of communication interface；
It is logical that wireless communication unit includes at least one of 2G communications subelement, 3G communication subelements and 4G communication subelements
Believe subelement.
It should be noted that communication unit 2 is powered by Direct Current Distribution Unit 18；
Landline communication unit interface is not limited to above-mentioned several communication interfaces or its combination, or other communication interfaces
, can also or its combination, the communication subelement of wireless communication unit are not limited to above-mentioned several communication subelements or its combination
It is should not be construed as other communication subelements or its combination, the example above to limitation of the present utility model；In operation field ring
Border is complicated, causes in the case of can not carrying out wire communication, can use radio communication, solves communication inconvenience in the prior art
Problem；
After programmable controller 1 gathers coherent signal, on the one hand by signal through communication unit 2 and server 15 and operator
Stand and 16 communicated, carrying out signal in server 15 and operator station 16 shows, on the other hand by programmable controller 1 inside
Program makes corresponding output, and output signal is through the analog signalses output unit 7 of programmable controller 1 and programmable controller 1
On-off model output unit 8 delivers to control unit 3, control unit 3 make it is related perform action, such as close or disconnect main circuit
Switch, start stand-by pump etc..Associative operation personnel also can carry out remote control by operator station 16, and operator station 16 first is sent out
Go out associative operation instruction, operational order is inputted to programmable controller 1 through communication unit 2, programmable controller 1 according to program and
The instruction received is exported, and then realizes straighforward operation.
A kind of Intelligent power distribution system of high RST transmission stability provided by the utility model has been carried out in detail above
It is thin to introduce, for those of ordinary skill in the art, according to the thought of the utility model embodiment, in embodiment and answer
With there will be changes in scope, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (10)
- A kind of 1. Intelligent power distribution system of high RST transmission stability, it is characterised in that including：Programmable controller, distribution Unit, analog signalses isolator, on-off model isolator, programmable controller expanding element and uninterrupted power source；The programmable controller expanding element specifically includes analog signalses input block and on-off model input block；The analog signalses isolator is one-in-and-two-out pattern analog quantity signal isolator；The on-off model isolator is one-in-and-two-out type on-off model isolator；First output end of the analog signalses isolator and the input of the analog signalses input block are electrically connected with；First output end of the on-off model isolator and the input of the on-off model input block are electrically connected with；The output end of the analog signalses input block is electrically connected with the analog input end of the programmable controller；The output end of the on-off model input block is electrically connected with the On-off signal end of the programmable controller；The output end of the uninterrupted power source and the input of the power supply unit are electrically connected with；The output end of the power supply unit is believed with the programmable controller, the analog signalses isolator and the switching value The receiving end of number isolator is electrically connected with.
- 2. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 1, it is characterised in that described Power supply unit specifically includes：Alternating Current Unit, Direct Current Distribution Unit and step-down rectifier unit；The output end of the Alternating Current Unit and the input of the step-down rectifier unit are electrically connected with；The output end of the step-down rectifier unit is electrically connected with the input of the Direct Current Distribution Unit；The input of the DC output end of the uninterrupted power source and the Direct Current Distribution Unit is electrically connected with；The input of the ac output end of the uninterrupted power source and the Alternating Current Unit is electrically connected with；The output end of the Alternating Current Unit and the receiving end of the programmable controller are electrically connected with；The output end of the Direct Current Distribution Unit respectively with the analog signalses isolator and the on-off model isolation mode The receiving end of block is electrically connected with.
- 3. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 2, it is characterised in that described Step-down rectifier unit specifically includes：Step-down transformer, rectification circuit, filter circuit and mu balanced circuit；The output end of the Alternating Current Unit and the input of the step-down transformer are electrically connected with；The output end of the step-down transformer and the input of the rectification circuit are electrically connected with；The output end of the rectification circuit and the input of the filter circuit are electrically connected with；The output end of the filter circuit and the input of the mu balanced circuit are electrically connected with；The output end of the mu balanced circuit and the input of the Direct Current Distribution Unit are electrically connected with.
- 4. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 3, it is characterised in that described Power supply unit also includes：First diode, the second diode；The output end of the positive pole of first diode and the mu balanced circuit is electrically connected with, the negative pole of first diode with The input of the Direct Current Distribution Unit is electrically connected with；The positive pole of second diode is electrically connected with the output end of the uninterrupted power source to be connected, second diode The input of negative pole and the Direct Current Distribution Unit is electrically connected with.
- 5. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 3, it is characterised in that described Power supply unit also includes：AC power detection means and direct-current power supply detection device；The AC power detection means and the input of the Alternating Current Unit are electrically connected with；The output end of the direct-current power supply detection device and the mu balanced circuit is electrically connected with.
- 6. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 1, it is characterised in that also wrap Include：Device of solar generating；The input of the device of solar generating and the uninterrupted power source is electrically connected with.
- 7. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 1, it is characterised in that also wrap Include：Control unit；The programmable controller expanding element, in addition to：Analog signalses output unit and on-off model output unit；The input of the analog signalses output unit is electrically connected with the analog output end of the programmable controller；The input of the on-off model output unit is electrically connected with the output switch parameter end of the programmable controller；The output end of the analog signalses output unit and the analog input end of described control unit are electrically connected with；The output end of the on-off model output unit and the On-off signal end of described control unit are electrically connected with.
- 8. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 1, it is characterised in that also wrap Include：Instrument display unit, state instruction lamp plate；Second output end of the analog signalses isolator is electrically connected with instrument display unit；Second output end of the on-off model isolator is electrically connected with the state instruction lamp plate.
- 9. the Intelligent power distribution system of a kind of high RST transmission stability according to claim 1, it is characterised in that also wrap Include：Communication unit；The communication unit, including Landline communication unit and wireless communication unit；Or, Landline communication unit；Or, wireless communication unit.
- A kind of 10. Intelligent power distribution system of high RST transmission stability according to claim 9, it is characterised in thatThe Landline communication unit includes at least one in RS-232 communication interfaces, RS-485 communication interfaces and RJ45 communication interfaces Kind communication interface；It is logical that the wireless communication unit includes at least one of 2G communications subelement, 3G communication subelements and 4G communication subelements Believe subelement.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965402A (en) * | 2021-02-19 | 2021-06-15 | 大唐东北电力试验研究院有限公司 | Independent control device and method for load of thermal power plant |
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2017
- 2017-09-11 CN CN201721159011.XU patent/CN207124489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112965402A (en) * | 2021-02-19 | 2021-06-15 | 大唐东北电力试验研究院有限公司 | Independent control device and method for load of thermal power plant |
| CN112965402B (en) * | 2021-02-19 | 2022-11-15 | 大唐东北电力试验研究院有限公司 | Independent control device and method for load of thermal power plant |
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