CN106100128A - Active power distribution network intelligent terminal's accumulator isolation monitoring device - Google Patents
Active power distribution network intelligent terminal's accumulator isolation monitoring device Download PDFInfo
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- CN106100128A CN106100128A CN201610598664.1A CN201610598664A CN106100128A CN 106100128 A CN106100128 A CN 106100128A CN 201610598664 A CN201610598664 A CN 201610598664A CN 106100128 A CN106100128 A CN 106100128A
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- 238000002955 isolation Methods 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 title claims abstract description 15
- 238000004804 winding Methods 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000001052 transient effect Effects 0.000 claims abstract description 22
- 238000005070 sampling Methods 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 12
- 230000001629 suppression Effects 0.000 claims description 19
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009514 concussion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- H02J13/0006—
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
- G01R31/3835—Arrangements for monitoring battery or accumulator variables, e.g. SoC involving only voltage measurements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/06—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using spark-gap arresters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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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
- 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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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Measurement Of Current Or Voltage (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides a kind of active power distribution network intelligent terminal's accumulator isolation monitoring device, including the signal input protection module, signal-isolated transmission module, signal output protection module and the signal sampling processing module that are sequentially connected in series；The core devices of signal-isolated transmission module is to be provided with 2 primary side winding and the transformator of 2 vice-side winding；The present invention uses transformers as realizing carrier, using the synchronizing signal driving source that monitored battery feed transmits as signal of signal transmission isolation；Test anti-interference requirement by increasing protection circuit at input signal end and transformer secondary to reach surge and fast transient, there is relatively low and that monitoring accuracy is higher when the using feature of simple in construction, cost.
Description
Technical field
The present invention relates to active power distribution network intelligent terminal and monitor field, be specifically related to a kind of active power distribution network intelligent terminal and store
Battery isolation monitoring device.
Background technology
Accumulator in active power distribution network intelligent terminal, as back-up source, carries to intelligence having a power failure when
The effects such as terminal and operation switch power supply.Reliability for electrical network, it is necessary to by arranging corresponding device to active power distribution network
The battery condition of intelligent terminal is monitored.
The device being traditionally used for being monitored active power distribution network intelligent terminal's accumulator has two classes: one, pressure/frequency turns
Change class device: it by utilizing voltage-frequency conversion chip to be converted into frequency signal by voltage signal, and frequency signal passes through high speed photo coupling
CPU sampling is passed in isolation；Such device shortcoming is that to be converted into the precision of frequency limited because of voltage, causes sampling precision relatively low, with
Time owing to ceaselessly counting frequency signal, to take cpu resource more, relatively costly.Its two, use front end CPU to carry out AD and adopt
Sample, is transferred to host CPU by isolation communication serial ports by sampled signal；Such device is disadvantageous in that, front-end sampling CPU is easily subject to
To interference, on the basis of increasing a large amount of protection circuits, it also is difficult to meet the EMC such as fast wink is anti-interference, surge is anti-interference test wants
Ask, simultaneously because sampling CPU carries out serial communication with host CPU, occupy 1 road serial line interface of host CPU, many to natively needing
The active power distribution network intelligent terminal of road serial ports causes hardware resource configuration difficulty, will also result in peripheral circuit relatively costly simultaneously.
Summary of the invention
It is an object of the invention to: asked a question for background technology, it is provided that a kind of simple in construction, cost are relatively low, use change
Depressor realizes carrier as signal transmission isolation, uses the synchronizing signal excitation that monitored battery feed transmits as signal
Source, test anti-interference requirement to reach surge and fast transient by increasing protection circuit at input signal end and transformer secondary
And active power distribution network intelligent terminal's accumulator isolation monitoring device that when using, monitoring accuracy is higher.
The technical scheme is that active power distribution network intelligent terminal's accumulator isolation monitoring device of the present invention, including
Signal sampling processing module, above-mentioned signal sampling processing module is provided with first, second sampled signal input；Its construction features
It is: also include signal input protection module, signal-isolated transmission module and signal output protection module；
Above-mentioned signal input protection module is provided with the first and second signal input parts, the first and second signal output parts and big
Ground end；Signal-isolated transmission module is provided with first, second signal input part and first, second signal output part；Signal output is protected
Protect module and be provided with first, second signal input part and first, second sampled signal outfan；
First and second signal input parts of signal-isolated transmission module protect the first and second of module with signal input respectively
Signal output part correspondence electrically connects；First and second signal input parts of signal output protection module respectively with signal-isolated transmission
First and second signal output part correspondence electrical connections of module；First and second sampled signal inputs of signal sampling processing module
End electrical connection corresponding with the first and second sampled signal outfans of signal output protection module respectively；During use, signal inputs
The first and second signal input parts electrical connection corresponding with the positive pole of monitored accumulator and negative pole of protection module；Signal inputs
The earth termination the earth of protection module.
Further scheme is: above-mentioned signal-isolated transmission module includes resistance R1 to R6 totally 6 resistance, audion Q1
To Q4 totally 4 audions and transformator T；Transformator T is provided with the first primary side winding, the second primary side winding, the first vice-side winding
With the second vice-side winding；First primary side winding of transformator T be provided with first end terminals N1, the second end terminals N2 and in
Between terminals N3；Second primary side winding of transformator T be provided with first end terminals N4, the second end terminals N5 and in indirectly
Line end N6；First vice-side winding of transformator T is provided with first end terminals S1, the second end terminals S2 and intermediate connection end
S3；Second vice-side winding of transformator T is provided with first end terminals S4, the second end terminals S5 and intermediate connection end S6；
One end of resistance R3 forms a common junction with the intermediate connection end N3 of first primary side winding of transformator T because of conllinear, should
Common junction is the first signal input part of above-mentioned signal-isolated transmission module；One end of resistance R4, the penetrating of audion Q1
The emitter-base bandgap grading of pole and audion Q2 forms a common junction because of conllinear, and this common junction is above-mentioned signal-isolated transmission
The secondary signal input of module；Second primary side winding of the other end of resistance R3, the other end of resistance R4 and transformator T
Intermediate connection end N6 conllinear；The colelctor electrode of audion Q1 is electric with the first end terminals N1 of first primary side winding of transformator T
Connect；After the base stage series resistor R1 of audion Q1, the second end terminals N5 of the second primary side winding with transformator T is electrically connected
Connect；The colelctor electrode of audion Q2 electrically connects with the second end terminals N2 of first primary side winding of transformator T；Audion Q2's
After base stage series resistor R2, the first end terminals N4 of the second primary side winding with transformator T electrically connects；The collection of audion Q3
Electrode electrically connects with the first end terminals S1 of first vice-side winding of transformator T；The colelctor electrode of audion Q4 and transformator T
The first vice-side winding the second end terminals S2 electrical connection；The intermediate connection end S3 of first vice-side winding of transformator T is i.e.
The first signal output part for above-mentioned signal-isolated transmission module；With transformator T after the base stage series resistor R5 of audion Q3
The second vice-side winding the second end terminals S5 electrical connection；With transformator T's after the base stage series resistor R6 of audion Q4
The first end terminals S4 electrical connection of the second vice-side winding；The emitter-base bandgap grading of audion Q3, the emitter-base bandgap grading of audion Q4 and transformator T
The intermediate connection end S6 of the second vice-side winding form a common junction because of conllinear, this common junction is above-mentioned signal
The secondary signal outfan of isolated transmission module.
Further scheme is: above-mentioned signal input protection module include electric fuse F1, varistor RV1, inductance L1,
TVS Transient Suppression Diode D1, electric capacity CF1, electric capacity C1 and electric capacity C2；One end of electric fuse F1 is above-mentioned signal input
First signal input part of protection module；One end of the other end of electric fuse F1, one end of varistor RV1 and inductance L1 is altogether
Line；One end of the other end of inductance L1, one end of electric capacity C1, one end of TVS Transient Suppression Diode D1 and electric capacity C2 is because of altogether
Line and form a common junction, this common junction is the first signal output part of above-mentioned signal input protection module；Pressure
The other end of quick resistance RV1, one end of electric capacity CF1, the other end of electric capacity C1, TVS Transient Suppression Diode D1 the other end with
And the other end of electric capacity C2 forms a common junction because of conllinear, this common junction is above-mentioned signal input protection module
Secondary signal outfan, the secondary signal input of module is protected in the signal input also be simultaneously above-mentioned；Another of electric capacity CF1
End is the earth end of above-mentioned signal input protection module.
Further scheme is: above-mentioned signal output protection module includes TVS Transient Suppression Diode D2 and resistance R7；
One end of TVS Transient Suppression Diode D2 and one end of resistance R7 form a common junction because of conllinear, and this common junction is i.e.
The first signal input part for above-mentioned signal output protection module；The other end of resistance R7 is above-mentioned signal output protection
First sampled signal outfan of module；The other end of TVS Transient Suppression Diode D2 is above-mentioned signal output protection mould
The secondary signal input of block, is also the second sampled signal outfan of above-mentioned signal output protection module simultaneously.
The present invention has positive effect: active power distribution network intelligent terminal's accumulator of (1) present invention isolates monitoring device,
It changes to realize the monitoring to storage battery pressure condition by using transformator to carry out signal, compares to use in prior art
Directly AD sampled signal isolates the device of transmission again, and the circuit structure of the present invention is the simplest；Simultaneously because the no-load voltage ratio of transformator
For stable parameter such that it is able to ensure the linearity of sampled signal, compare to prior art uses the conversion plan of pressure/frequently
Device has more preferable precision, and can save the reduction voltage circuit of an outfan；(2) the active power distribution network intelligence of the present invention is eventually
End accumulator isolation monitoring device, it is by directly utilizing the voltage of monitored accumulator as autoexcitation signal control circuit
Concussion transmission, it is possible to save an insulating power supply module；(3) active power distribution network intelligent terminal's accumulator isolation prison of the present invention
Survey device, it is not necessary to CPU constantly interrupts counting and takies CPU port, compares to device of the prior art, energy of the present invention
Enough occupancies effectively saving CPU processor, reduce the hardware resource requirements of CPU so that it is cost performance is higher.
Accompanying drawing explanation
Fig. 1 is the circuit structure schematic block diagram of the present invention；
Fig. 2 be in Fig. 1 in addition to signal sampling processing module the electrical schematic diagram of other 3 modules.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
(embodiment 1)
Seeing Fig. 1, active power distribution network intelligent terminal's accumulator isolation monitoring device of the present embodiment, it is mainly by signal input protection
Module, signal-isolated transmission module, signal output protection module and signal sampling processing module composition.
Signal input protection module is provided with the first and second signal input parts, the first and second signal output parts and the earth
End；Signal-isolated transmission module is provided with first, second signal input part and first, second signal output part；Signal output protection
Module is provided with first, second signal input part and first, second sampled signal outfan；Signal sampling processing module is provided with
One, the second sampled signal input.
First and second signal input parts of signal-isolated transmission module respectively with signal input protection module first and
Secondary signal outfan correspondence electrically connects；First and second signal input parts of signal output protection module are isolated with signal respectively
First and second signal output part correspondence electrical connections of transport module；First and second sampled signals of signal sampling processing module
Input electrical connection corresponding with the first and second sampled signal outfans of signal output protection module respectively；During use, signal
The first and second signal input parts electrical connection corresponding with the positive pole of monitored accumulator and negative pole of input protection module；Signal
The earth termination the earth of input protection module.
Seeing Fig. 2, signal input protection module is mainly by electric fuse F1, varistor RV1, inductance L1, TVS transient state suppression two
Pole pipe D1, electric capacity CF1, electric capacity C1 and electric capacity C2 composition.One end of electric fuse F1 is aforesaid signal input protection module
The first signal input part, its use time electrically connect with the positive pole BAT+ of monitored accumulator；The other end of electric fuse F1, pressure
One end of quick resistance RV1 and one end conllinear of inductance L1；The other end of inductance L1, one end of electric capacity C1, TVS transient state suppression two
One end of pole pipe D1 and one end of electric capacity C2 form a common junction because of conllinear, and this common junction is aforesaid signal
First signal output part of input protection module；The other end of varistor RV1, one end of electric capacity CF1, electric capacity C1 another
The other end of end, the other end of TVS Transient Suppression Diode D1 and electric capacity C2 forms a common junction, these public affairs because of conllinear
Contact is the secondary signal outfan of aforesaid signal input protection module altogether, is also aforesaid signal input protection mould simultaneously
The secondary signal input of block, it electrically connects with the negative pole BAT-of monitored accumulator when using；The other end of electric capacity CF1 is i.e.
For the earth end of aforesaid signal input protection module, it connects the earth when using.
Signal-isolated transmission module mainly by resistance R1 to R6 totally 6 resistance, audion Q1 to Q4 totally 4 audions and
Transformator T forms；Transformator T is provided with the first primary side winding, the second primary side winding, the first vice-side winding and the second vice-side winding；
First primary side winding of transformator T is provided with first end terminals N1, the second end terminals N2 and intermediate connection end N3；Transformation
Second primary side winding of device T is provided with first end terminals N4, the second end terminals N5 and intermediate connection end N6；Transformator T
The first vice-side winding be provided with first end terminals S1, the second end terminals S2 and intermediate connection end S3；The of transformator T
Two vice-side winding are provided with first end terminals S4, the second end terminals S5 and intermediate connection end S6.One end of resistance R3 with
The intermediate connection end N3 of first primary side winding of transformator T forms a common junction, before this common junction is because of conllinear
First signal input part of the signal-isolated transmission module stated；One end of resistance R4, the emitter-base bandgap grading of audion Q1 and audion Q2
Emitter-base bandgap grading form a common junction because of conllinear, this common junction is the secondary signal of aforesaid signal-isolated transmission module
Input；The intermediate connection end N6 of second primary side winding of the other end of resistance R3, the other end of resistance R4 and transformator T is altogether
Line；The colelctor electrode of audion Q1 electrically connects with the first end terminals N1 of first primary side winding of transformator T；Audion Q1's
After base stage series resistor R1, the second end terminals N5 of the second primary side winding with transformator T electrically connects；The collection of audion Q2
Electrode electrically connects with the second end terminals N2 of first primary side winding of transformator T；The base stage series resistor R2 of audion Q2
First end terminals N4 with second primary side winding of transformator T electrically connects afterwards；The colelctor electrode of audion Q3 is with transformator T's
The first end terminals S1 electrical connection of the first vice-side winding；The colelctor electrode of audion Q4 and first vice-side winding of transformator T
The second end terminals S2 electrical connection；The intermediate connection end S3 of first vice-side winding of transformator T be aforesaid signal every
The first signal output part from transport module；With second vice-side winding of transformator T after the base stage series resistor R5 of audion Q3
The second end terminals S5 electrical connection；With second vice-side winding of transformator T after the base stage series resistor R6 of audion Q4
First end terminals S4 electrically connects；Second vice-side winding of the emitter-base bandgap grading of audion Q3, the emitter-base bandgap grading of audion Q4 and transformator T
Intermediate connection end S6 form a common junction because of conllinear, this common junction is aforesaid signal-isolated transmission module
Secondary signal outfan.
Signal output protection module is mainly made up of TVS Transient Suppression Diode D2 and resistance R7；TVS transient state suppresses two poles
One end of pipe D2 forms a common junction with one end of resistance R7 because of conllinear, and this common junction is the output of aforesaid signal
First signal input part of protection module；The other end of resistance R7 is the first sampling letter of aforesaid signal output protection module
Number outfan；The other end of TVS Transient Suppression Diode D2 is the secondary signal input of aforesaid signal output protection module
End, is also the second sampled signal outfan of aforesaid signal output protection module simultaneously.
Active power distribution network intelligent terminal's accumulator isolation monitoring device of the present embodiment, it inputs a signal in use
First and second signal input parts of protection module electrically connect with the positive pole BAT+ and negative pole BAT-of monitored accumulator respectively；
Signal input protection module has 3 grades of safeguard functions, and its first order is made up of electric fuse F1 and varistor RV1, electric fuse F1
Main protection rear class short circuit, if because monitored accumulator rear class short circuit is than relatively hazardous state；Varistor RV1 is to thunder
Hit surging signal and carry out single filter；The low-pass filter circuit that the second level is made up of inductance L1 and C1, further filter high-frequency is believed
Number；The third level is made up of TVS Transient Suppression Diode D1, filters surge differential mode interference signal further and clamps pressure；Electricity simultaneously
Hold CF1 and common-mode signal is filled into the earth.
Signal-isolated transmission module inputs a signal into the voltage signal of protection module transmission through audion Q1 and audion
Voltage signal modulation is alternately become square wave by Q2, and through transformator T coupled transfer, the square-wave signal of transformer secondary is through three poles
Pipe Q3 and audion Q4 completes rectification under control of the synchronization signal, is finally modulated into direct current signal and is sent to signal output protection
Module.
The TVS Transient Suppression Diode D2 of signal output protection module is for suppressing the high voltage of coupling, and resistance R7 is used for
Current limliting, the sampled signal that signal-isolated transmission module sends, after signal output protection module, is last transmitted at signal sampling
Reason module carries out sampling and processing and export corresponding monitoring result, thus realizes active power distribution network intelligent terminal's accumulator
Status monitoring.
From the foregoing, it can be seen that active power distribution network intelligent terminal's accumulator isolation monitoring device of the present embodiment, it is by using
Transformator T carries out signal to be changed to realize the monitoring to storage battery pressure condition, and it compares to use direct AD in prior art
Sampled signal isolates the device of transmission again, and circuit structure is the simplest；Simultaneously because the no-load voltage ratio of transformator is stable parameter, from
And ensure that the linearity of sampled signal, compare in prior art use pressure/frequently the device of conversion plan have preferably
Precision, and the reduction voltage circuit of an outfan can be saved；It is by directly utilizing the voltage of monitored accumulator as certainly
The concussion transmission of pumping signal control circuit, it is possible to save an insulating power supply module；Meanwhile, it compares to of the prior art
Device, it is not necessary to CPU constantly interrupts counting and takies CPU port, it is possible to effectively save the occupancy of CPU processor, subtract
The hardware resource requirements of few CPU so that it is cost performance is higher.
Above example is the explanation of the detailed description of the invention to the present invention, rather than limitation of the present invention, relevant technology
The technical staff in field is without departing from the spirit and scope of the present invention, it is also possible to makes various conversion and change and obtains
To the technical scheme of corresponding equivalent, the technical scheme of the most all equivalents all should be included into the patent protection model of the present invention
Enclose.
Claims (4)
1. an active power distribution network intelligent terminal accumulator isolation monitoring device, including signal sampling processing module, described letter
Number sampling processing module is provided with first, second sampled signal input；It is characterized in that: also include signal input protection module,
Signal-isolated transmission module and signal output protection module；
Described signal input protection module is provided with the first and second signal input parts, the first and second signal output parts and big
Ground end；Signal-isolated transmission module is provided with first, second signal input part and first, second signal output part；Signal output is protected
Protect module and be provided with first, second signal input part and first, second sampled signal outfan；
First and second signal input parts of signal-isolated transmission module protect the first and second of module with signal input respectively
Signal output part correspondence electrically connects；First and second signal input parts of signal output protection module respectively with signal-isolated transmission
First and second signal output part correspondence electrical connections of module；First and second sampled signal inputs of signal sampling processing module
End electrical connection corresponding with the first and second sampled signal outfans of signal output protection module respectively；During use, signal inputs
The first and second signal input parts electrical connection corresponding with the positive pole of monitored accumulator and negative pole of protection module；Signal inputs
The earth termination the earth of protection module.
Active power distribution network intelligent terminal's accumulator the most according to claim 1 isolation monitoring device, it is characterised in that: described
Signal-isolated transmission module include resistance R1 to R6 totally 6 resistance, audion Q1 to Q4 totally 4 audions and transformator T；
Transformator T is provided with the first primary side winding, the second primary side winding, the first vice-side winding and the second vice-side winding；The first of transformator T
Primary side winding is provided with first end terminals N1, the second end terminals N2 and intermediate connection end N3；The second former limit of transformator T
Winding is provided with first end terminals N4, the second end terminals N5 and intermediate connection end N6；First vice-side winding of transformator T
It is provided with first end terminals S1, the second end terminals S2 and intermediate connection end S3；Second vice-side winding of transformator T is provided with
First end terminals S4, the second end terminals S5 and intermediate connection end S6；One end of resistance R3 is former with the first of transformator T
The intermediate connection end N3 of limit winding forms a common junction because of conllinear, and this common junction is described signal-isolated transmission
First signal input part of module；The emitter-base bandgap grading of one end of resistance R4, the emitter-base bandgap grading of audion Q1 and audion Q2 is shape because of conllinear
Becoming a common junction, this common junction is the secondary signal input of described signal-isolated transmission module；Resistance R3's
The intermediate connection end N6 conllinear of second primary side winding of the other end, the other end of resistance R4 and transformator T；The collection of audion Q1
Electrode electrically connects with the first end terminals N1 of first primary side winding of transformator T；The base stage series resistor R1 of audion Q1
The second end terminals N5 with second primary side winding of transformator T electrically connects afterwards；The colelctor electrode of audion Q2 is with transformator T's
The second end terminals N2 electrical connection of the first primary side winding；With the of transformator T after the base stage series resistor R2 of audion Q2
The first end terminals N4 electrical connection of two primary side winding；First vice-side winding of the colelctor electrode of audion Q3 and transformator T
First end terminals S1 electrically connects；The second end wiring of first vice-side winding of the colelctor electrode of audion Q4 and transformator T
End S2 electrical connection；The intermediate connection end S3 of first vice-side winding of transformator T is the of described signal-isolated transmission module
One signal output part；With the second end wiring of second vice-side winding of transformator T after the base stage series resistor R5 of audion Q3
End S5 electrical connection；With the first end terminals of second vice-side winding of transformator T after the base stage series resistor R6 of audion Q4
S4 electrically connects；The intermediate connection end S6 of second vice-side winding of the emitter-base bandgap grading of audion Q3, the emitter-base bandgap grading of audion Q4 and transformator T
Form a common junction because of conllinear, this common junction is the secondary signal output of described signal-isolated transmission module
End.
Active power distribution network intelligent terminal's accumulator the most according to claim 1 isolation monitoring device, it is characterised in that: described
Signal input protection module include electric fuse F1, varistor RV1, inductance L1, TVS Transient Suppression Diode D1, electric capacity
CF1, electric capacity C1 and electric capacity C2；One end of electric fuse F1 is the first signal input of described signal input protection module
End；One end conllinear of the other end of electric fuse F1, one end of varistor RV1 and inductance L1；The other end of inductance L1, electric capacity
One end of one end of C1, one end of TVS Transient Suppression Diode D1 and electric capacity C2 forms a common junction because of conllinear, should
Common junction is the first signal output part of described signal input protection module；The other end of varistor RV1, electric capacity
The other end of one end of CF1, the other end of electric capacity C1, the other end of TVS Transient Suppression Diode D1 and electric capacity C2 is because of conllinear
And forming a common junction, this common junction is the secondary signal outfan of described signal input protection module, simultaneously
Also it is the secondary signal input of described signal input protection module；The other end of electric capacity CF1 is described signal input
The earth end of protection module.
Active power distribution network intelligent terminal's accumulator the most according to claim 1 isolation monitoring device, it is characterised in that: described
Signal output protection module include TVS Transient Suppression Diode D2 and resistance R7；One end of TVS Transient Suppression Diode D2 with
One end of resistance R7 forms a common junction because of conllinear, and this common junction is the of described signal output protection module
One signal input part；The other end of resistance R7 is the first sampled signal outfan of described signal output protection module；TVS
The other end of Transient Suppression Diode D2 is the secondary signal input of described signal output protection module, simultaneously also for institute
Second sampled signal outfan of the signal output protection module stated.
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| CN201610598664.1A CN106100128B (en) | 2016-07-27 | 2016-07-27 | Monitoring device is isolated in active power distribution network intelligent terminal accumulator |
| CN201810305632.7A CN108832714B (en) | 2016-07-27 | 2016-07-27 | Active distribution network intelligent terminal storage battery isolation monitoring device |
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| CN201610598664.1A CN106100128B (en) | 2016-07-27 | 2016-07-27 | Monitoring device is isolated in active power distribution network intelligent terminal accumulator |
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| CN201810305632.7A Division CN108832714B (en) | 2016-07-27 | 2016-07-27 | Active distribution network intelligent terminal storage battery isolation monitoring device |
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| CN106100128B CN106100128B (en) | 2018-06-19 |
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| CN201610598664.1A Active CN106100128B (en) | 2016-07-27 | 2016-07-27 | Monitoring device is isolated in active power distribution network intelligent terminal accumulator |
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| CN107508381A (en) * | 2017-09-25 | 2017-12-22 | 贵州电网有限责任公司电力科学研究院 | One kind is used for active power distribution network intelligent terminal battery isolation monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108832714B (en) | 2024-07-02 |
| CN108832714A (en) | 2018-11-16 |
| CN106100128B (en) | 2018-06-19 |
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Address after: No. 27, front street, Changzhou Municipal Bureau, Jiangsu Province, Jiangsu Applicant after: Changzhou power supply branch, Jiangsu Electric Power Co., Ltd. Applicant after: State Grid Jiangsu Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Applicant after: SHANGHAI WISCOM SUNEST ELECTRIC POWER TECHNOLOGY CO., LTD. Address before: No. 27, Tianning District Bureau, front street, Changzhou, Jiangsu Province Applicant before: State Grid Jiangsu Electric Power Company, Changzhou Power Supply Company Applicant before: STATE GRID JIANGSU ELECTRIC POWER COMPANY Applicant before: State Grid Corporation of China Applicant before: SHANGHAI WISCOM SUNEST ELECTRIC POWER TECHNOLOGY CO., LTD. |
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Inventor after: Yu Jianyang Inventor after: Qin Yongming Inventor after: Gong Bing Inventor after: Wan Lixin Inventor after: Wang Shuning Inventor after: Zhang Baojian Inventor after: Huang Yanfei Inventor before: Yu Jianyang Inventor before: Qin Yongming Inventor before: Gong Bing Inventor before: Zhang Baojian Inventor before: Huang Yanfei |
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