CN106441459B - A kind of energy conservation and environmental protection electric device maintenance instrument - Google Patents
A kind of energy conservation and environmental protection electric device maintenance instrument Download PDFInfo
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- CN106441459B CN106441459B CN201611170521.7A CN201611170521A CN106441459B CN 106441459 B CN106441459 B CN 106441459B CN 201611170521 A CN201611170521 A CN 201611170521A CN 106441459 B CN106441459 B CN 106441459B
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- 238000004134 energy conservation Methods 0.000 title claims abstract description 12
- 230000000875 corresponding Effects 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 32
- 238000004146 energy storage Methods 0.000 claims description 23
- 239000002131 composite materials Substances 0.000 claims description 19
- WHXSMMKQMYFTQS-UHFFFAOYSA-N lithium Chemical compound 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[Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 19
- 229910052744 lithium Inorganic materials 0.000 claims description 19
- 238000005457 optimization Methods 0.000 claims description 13
- 239000000203 mixtures Substances 0.000 claims description 4
- 230000001939 inductive effects Effects 0.000 claims description 2
- 230000001172 regenerating Effects 0.000 claims description 2
- 150000001875 compounds Chemical group 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 methods Methods 0.000 description 3
- 238000010586 diagrams Methods 0.000 description 2
- 238000005516 engineering processes Methods 0.000 description 1
- 239000007789 gases Substances 0.000 description 1
- 239000007788 liquids Substances 0.000 description 1
- 229910052751 metals Inorganic materials 0.000 description 1
- 239000002184 metals Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reactions Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Abstract
Description
Technical field
The present invention relates to electric power testing equipment fields, and in particular to a kind of energy conservation and environmental protection electric device maintenance instrument.
Background technique
In the related technology, substation is the place for changing voltage, in order to which electrical energy transportation that power plant is issued is to farther out Place, it is necessary to voltage is increased, high-voltage electricity is become, to user nearby voltage is reduced as needed again, this buck/boost Work is completed by substation, and substation is in equipment such as power transformer, liquid immersed reactor, gas insulated metal enclosed swit chgear, breakers In field-mounted process, there is higher requirement to environment, if temperature and humidity is controlled, job specfication is to relevant environment Factor has specific quantitative requirement, and real-time on-site is needed to detect, and corresponding temperature and humidity needs different detection devices to carry out It completes, existing detection technique is all carried out separately, not only bad for the accuracy of data, and when wasting a large amount of Between.
In addition, electric power resource has spread to each corner, and it is also more and more frequent for the maintenance of power equipment, for Have a power failure due to electrical equipment fault, in maintenance, then the equipment that there are many problems, such as detection, maintenance etc. needs electricity Source, and be then difficult to continue after having a power failure.
Summary of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of energy conservation and environmental protection electric device maintenance instrument.
The purpose of the present invention is realized using following technical scheme：
Provide a kind of energy conservation and environmental protection electric device maintenance instrument, including detector ontology, temperature inductor, humidity inductive Device, the detector ontology include detection host module and instrument board, the detection host module respectively with temperature inductor, humidity sense Device, instrument board is answered to connect one to one.
Beneficial effects of the present invention are：Temperature and humidity in environment can be detected, while can will be corresponding Data are shown that structure is simple, easy to use.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is structure connection diagram of the invention；
Fig. 2 is the structure connection diagram of detector ontology of the present invention.
Appended drawing reference：
Detector ontology 1, humidity sensor 3, alarm 4, detection host module 5, instrument board 6, is answered at temperature inductor 2 Close energy-storage module 7.
Specific embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, Fig. 2, a kind of energy conservation and environmental protection electric device maintenance instrument of the present embodiment, including detector ontology 1, temperature Inductor 2, humidity sensor 3, the detector ontology 1 include that detection host module 5 and instrument board 6, the detection host module 5 divide It does not connect one to one with temperature inductor 2, humidity sensor 3, instrument board 6.
Preferably, which further includes the composite energy storage mould all connecting with detection host module 5 and instrument board 6 Block 7.
Preferably, which further includes the alarm 4 connecting with detection host module 5.
The above embodiment of the present invention can detect the temperature and humidity in environment, while can be by corresponding data It being shown, structure is simple, and it is easy to use, it is additionally provided with composite energy storage module 7, can be electric device maintenance instrument after power failure Power supply, energy conservation and environmental protection.
Preferably, the composite energy storage module 7 include super capacitor group, battery pack, two-way dc/dc converter, first switch, Second switch, first diode and the second diode, wherein the high-voltage end of two-way dc/dc converter is connect with super capacitor group, The low-pressure end of two-way dc/dc converter is connect with battery pack, and super capacitor group passes through first switch and first diode in parallel It is connected with load, battery pack is connected by second switch and the second diode in parallel and load.Preferably, the two-way dc/dc Converter be the two-way dc/dc converter of half-bridge structure, wherein super capacitor group is made of multiple supercapacitors, battery pack by Multiple lithium battery groups at.This preferred embodiment using super capacitor group and battery pack as the component part of composite energy storage module 7, So that composite energy storage module 7 is had the function of composite energy storage, constantly can provide power for detector ontology 1, guarantee power equipment The normal operation of detector, energy conservation and environmental protection.
Preferably, which is the two-way dc/dc converter of half-bridge structure.
Preferably, the parameter of the super capacitor group of the composite energy storage module 7 and battery pack uses the side of parameter matching and optimization Method selection, specifically includes：
(1) select the optimization aim of the parameter matching and optimization of composite energy storage module 7 for：The gross mass of composite energy storage module 7, Capacity, total volume, loss, battery pack average charge-discharge magnification；
(2) select optimized variable for：Battery pack parallel connection lithium battery quantity, the power limit of battery pack；
(3) answering in the scheme of the power limit composition of each battery pack parallel connection lithium battery quantity and battery pack is calculated separately Close the average charge-discharge magnification of the gross mass of energy-storage module 7, capacity, total volume, loss, battery pack；
(4) be set separately gross mass, capacity, total volume, loss, battery pack each parameter of average charge-discharge magnification threshold Value, it is corresponding to the scheme of the power limit composition of the battery pack parallel connection lithium battery quantity and battery pack beyond each parameter threshold Data are rejected；
(5) side formed when being j as the power limit value of i and battery pack is set by battery pack parallel connection lithium battery quantity value The gross mass of the energy resource supply module 4 of case is Rij, total volume Sij, loss be Eij, battery pack average charge-discharge magnification be Fij And the capacity of energy resource supply module 4 is Gij, wherein the value range of battery pack parallel connection lithium battery quantity is set as [2,10], if The value range for determining the power limit of battery pack is [0,100kw], carries out nondimensionalization processing according to the following formula to remaining data：
In formula, i=2,3 ..., 10, j=0,10 ..., 100, wherein i, j neither consider the data rejected in value；
Wherein, A1ijIt indicates to RijCarrying out nondimensionalization, treated as a result, A2ijIt indicates to SijCarry out nondimensionalization processing Afterwards as a result, A3ijIt indicates to EijCarrying out nondimensionalization, treated as a result, A4ijIt indicates to FijCarrying out nondimensionalization, treated As a result, A5ijIt indicates to GijCarry out nondimensionalization treated result；
Wherein, min (R) is the minimum of the gross mass R of energy resource supply module 4, and min (S) is the total of energy resource supply module 4 The minimum of volume, min (E) are the minimum of the loss of energy resource supply module 4, and min (F) is being averaged for energy resource supply module 4 The minimum of charge-discharge magnification, min (G) are the minimum of the capacity of energy resource supply module 4；
(6) value optimization is carried out to the power limit of battery pack parallel connection lithium battery quantity and battery pack.
This preferred embodiment is realized in the degree of variation and interactional information for guaranteeing to retain above-mentioned 5 optimization aims Under the premise of carry out data pretreatment and nondimensionalization processing, further ensure the super capacitor group of composite energy storage module 7 With the precision of the parameter optimization of battery pack, composite energy storage module 7 is enabled to be more efficiently detection host module 5 and instrument Dial plate 6 provides required power, makes electric device maintenance instrument energy conservation and environmental protection.
Preferably, for realize by battery set charge/discharge power limit in a certain range, to reach raising composite energy storage The purpose in the service life of 7 efficiency of module, extension battery pack, the composite energy storage module 7 is according to improved electrical power distribution strategy to electricity The power of pond group and super capacitor group carries out optimum allocation, and wherein the improved electrical power distribution strategy includes：
(1) the power demand R of the load of current time δ is determineddFThe voltage U of (δ) and super capacitor groupSUP, when calculating δ+1 The prediction bearing power limit value at quarter；
(2) power distribution is carried out according to following bearing power allocation rule；
1) work as RdF(δ+1)>RdF(δ)>When 0, then currently by the electrical power of super capacitor group output 25%；
2) work as RdF(δ)>RdF(δ+1)>0 and USUP≥UTWhen, then 75% electrical power is currently exported by super capacitor group, Wherein UTFor the voltage rating of super capacitor group；
3) work as RdF(δ+1)>0 and RdF(δ)<0 and USUP<UTWhen, then it improves and the voltage of super capacitor group is maintained to arrive UT；
4) work as RdF(δ+1)>0 and RdF(δ)<0 and USUP≥UTWhen, then currently by super capacitor group output 10% Electrical power；
5) work as RdF(δ+1)<0 and RdF(δ)>0 and USUP<UTWhen, then improve the power of super capacitor group output；
6) work as RdF(δ+1)<0 and RdF(δ)>0 and USUP>UTWhen, then it reduces and the voltage of super capacitor group is maintained to arrive UT；
7) work as RdF(δ+1)<0 and RdF(δ)<0, then balance the regenerative power of current super capacitance group and battery pack.
This preferred embodiment is designed electrical power distribution strategy, has formulated bearing power allocation rule, has made to battery The distribution of the power of group and super capacitor group is more accurate, extends the service life of battery pack, guarantees detection host module 5 and instrument The power supply of disk 6 is broken down in terms of power supply when preventing electric device maintenance instrument from working, and ensures electric device maintenance instrument Working efficiency when detection.
Inventor has carried out a series of tests using the present embodiment, is the experimental data tested below：
As another preferred embodiment, which includes：
(1) it setsFor in subsequent timePrediction bearing power limit value, XdF' for the battery that selects after parameter optimization The power limit of group,To be likely to occur subsequent timeBearing power,For subsequent timeBearing powerThe probability of appearance determines prediction bearing power limit value according to the following formula：
1)When
2)When
(2) when the electrical power of loading demand is less than prediction bearing power limit value, electric device maintenance is provided by battery pack The electrical power of instrument demand；When the electrical power of loading demand is more than prediction bearing power limit value, battery pack is provided within limit value Power, the part more than prediction bearing power limit value are provided by super capacitor group.
This preferred embodiment is designed electrical power distribution strategy, is determining battery pack in the power limit of current time j The power limit and prediction bearing power limit value for considering the battery pack selected after parameter optimization when value simultaneously, improve battery pack The accuracy in computation of power limit keeps the distribution of the power to battery pack and super capacitor group more accurate, further increases multiple 7 efficiency of energy-storage module is closed, and extends the service life of battery pack, to ensure the working efficiency when detection of electric device maintenance instrument.
Preferably, the power limit to battery pack parallel connection lithium battery quantity and battery pack carries out value optimization, tool Body executes：
In formula, i, j neither consider the data rejected, Q in valueijFor battery pack parallel connection lithium battery quantity value be i, Optimal value when the power limit parameter value of battery pack is j, AkijIt indicates in { A1ij,A2ij,A3ij,A4ij,A5ijIn it is corresponding with k Value, k=1 ..., 5；
In addition, τkFor corresponding Akij, using expert estimation method obtain weighting coefficient, ωkFor corresponding Akij, using history Empirically determined weighting coefficient, and
Selecting final optimized variable parameter is QijWhen for minimum corresponding battery pack parallel connection lithium battery quantity value with And the power limit value of battery pack.
This preferred embodiment optimizes choosing to the power limit parameter of battery pack parallel connection lithium battery quantity and battery pack It selects, can more precisely optimize the selection of variable parameter, guarantee the power supply of detection host module 5 and instrument board 6 While further increase the working efficiency of composite energy storage module 7.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention Matter and range.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170521.7A CN106441459B (en) | 2016-12-16 | 2016-12-16 | A kind of energy conservation and environmental protection electric device maintenance instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170521.7A CN106441459B (en) | 2016-12-16 | 2016-12-16 | A kind of energy conservation and environmental protection electric device maintenance instrument |
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| Publication Number | Publication Date |
|---|---|
| CN106441459A CN106441459A (en) | 2017-02-22 |
| CN106441459B true CN106441459B (en) | 2018-11-23 |
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| DE102014203030A1 (en) * | 2014-02-19 | 2015-08-20 | Continental Automotive Gmbh | Method for the controlled connection of a plurality of vehicle electrical system branches of a vehicle, control unit for carrying out the method and vehicle electrical system |
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| CN105939034B (en) * | 2016-03-29 | 2019-03-26 | 武汉理工大学 | Lithium battery group active equalization system and method based on super capacitor energy-storage transfer |
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| CN102730189A (en) * | 2011-03-29 | 2012-10-17 | 郑鹏 | Marine flying lifesaving method and device |
| CN103336877A (en) * | 2013-07-25 | 2013-10-02 | 哈尔滨工业大学 | Satellite lithium ion battery residual life prediction system and method based on RVM (relevance vector machine) dynamic reconfiguration |
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