CN106468769A - A kind of error can the charging pile of self checking and its method of calibration - Google Patents
A kind of error can the charging pile of self checking and its method of calibration Download PDFInfo
- Publication number
- CN106468769A CN106468769A CN201610804649.8A CN201610804649A CN106468769A CN 106468769 A CN106468769 A CN 106468769A CN 201610804649 A CN201610804649 A CN 201610804649A CN 106468769 A CN106468769 A CN 106468769A
- Authority
- CN
- China
- Prior art keywords
- error
- ammeter
- electric energy
- sub
- charging pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 62
- 238000004364 calculation method Methods 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 6
- 230000006378 damage Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000012545 processing Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 206010016256 fatigue Diseases 0.000 claims 1
- 238000004134 energy conservation Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
-
- 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
-
- H02J7/0027—
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to charging pile technical field, there is provided a kind of error can the charging pile of self checking and its method of calibration.Wherein, in charging pile, error criterion device is arranged on three-phase and four-line electric energy input bus, constitutes cascaded structure with three-phase kilowatt-hour meter；Wherein, setting up between error criterion device, three-phase kilowatt-hour meter, and the corresponding sub- ammeter of each charging gun and monitoring unit has data link；The input of rectification module is connected with three-phase and four-line electric energy input bus, and its outfan is then connected to charging gun after sub-series ammeter, and, the control port of rectification module connects monitoring unit.The present invention passes through step-up error standard in existing charging pile, and combine the Energy Conservation system residing for error criterion device, complete the foundation of equation using the electric energy related data that each sub- ammeter, three-phase kilowatt-hour meter and error criterion device report, and bring equation solution into using the electric energy related data of different periods to obtain three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.
Description
【Technical field】
The present invention relates to charging pile technical field, more particularly to a kind of error can the charging pile of self checking and its verification side
Method.
【Background technology】
Its fuel charger of being functionally similar to inside gas station of charging pile, can be fixed on ground or wall, be installed on public
In building (public building, market, Public Parking etc.) and residential area parking lot or charging station, can be according to different voltage
Grade is the charging electric vehicle of various models.The input of charging pile and AC network are directly connected to, and outfan is equipped with filling
Plug is used for as charging electric vehicle.Charging pile generally provides normal charge and two kinds of charging modes of quick charge, Ren Menke
To be swiped the card on the man-machine interactive interface that charging pile provides use using specific recharged card, charged with side accordingly
The operations such as formula, charging interval, cost data printing, charging pile display screen can show the data such as charge volume, expense, charging interval.
However, charging pile when mounted, in the case that particularly residential area charging station is separately installed it is impossible to realize electric energy
Error in dipping detection and monitoring.Needs send someone Site Detection error or change electric power meter.
In consideration of it, overcoming the defect existing for the prior art to be the art problem demanding prompt solution.
【Content of the invention】
The technical problem to be solved in the present invention be in prior art charging pile when mounted, particularly residential area charging station
It is impossible to realizing electric energy metering error detection and monitoring in the case of separately installed.Needs are sent someone Site Detection error or more
Change electric power meter, efficiency is low and the problem of high cost.
The present invention adopts the following technical scheme that：
In a first aspect, the invention provides a kind of error can self checking charging pile, described charging pile include one or
Multiple charging guns, each charging gun corresponding are provided with sub- ammeter, one to be used for the three-phase kilowatt-hour meter of metering input electric energy, monitoring single
Unit and rectification module, described charging pile also includes error criterion device, specifically：
Described error criterion device is arranged on three-phase and four-line electric energy input bus, constitutes tandem junction with described three-phase kilowatt-hour meter
Structure；
Wherein, the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit it
Between set up and have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described
It is connected to described charging gun after sub- ammeter, and, the control port of described rectification module connects described monitoring unit.
Preferably, described error criterion device includes electric energy computation chip and its circuit, voltage sensor and current sensor；
Wherein, described electric energy computation chip and its circuit, voltage sensor and current sensor have carried out shielding processing, and electromagnetism is done
Disturb impact to drop in predetermined threshold value.
Second aspect, the invention provides a kind of error can self checking charging pile, described charging pile includes at least two
Charging gun, each charging gun corresponding be provided with sub- ammeter, three-phase kilowatt-hour meter being used for metering input electric energy, monitoring unit and
Rectification module, described charging pile also includes error criterion device, specifically：
Described error criterion device is designed to bidirectional joint, and side is connected with the car couplings of described charging gun, opposite side
Can be used for being connected with vehicle socket；
Wherein, the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit it
Between set up and have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described
It is connected to described charging gun after sub- ammeter, and, the control port of described rectification module connects described monitoring unit.
Preferably, described error criterion device include electric energy computation chip and its circuit, voltage sensor, current sensor and
Wireless communication module；Wherein, described electric energy computation chip and its circuit, voltage sensor and current sensor have been carried out at shielding
Reason, electromagnetic interference influence is dropped in predetermined threshold value.
The third aspect, the invention provides a kind of error can self checking charging pile method of calibration, described charging pile
It is provided with one or more error criterion device, specifically on three-phase and four-line input bus or on charging gun：
The electric energy that the monitoring unit of described charging column receives described three-phase kilowatt-hour meter, sub- ammeter reports with error criterion device is related
Data；
Described monitoring unit is according to the electric energy related data of the described three-phase kilowatt-hour meter, sub- ammeter and error criterion device receiving
Solve three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.
Preferably, described monitoring unit is according to the electric energy of the described three-phase kilowatt-hour meter, sub- ammeter and error criterion device receiving
Related data solves each three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss, specifically includes：
Described monitoring unit receives the energy value that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report, and foundation comprises
The global error of three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss error are as variable, and error criterion
Device error amount is as the equation of known constant；
Energy value that described monitoring unit reports according to the multiple three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device or
Set up by described equation according to the energy value belonging to different time sections that three-phase kilowatt-hour meter, sub- ammeter and error criterion device report
The equation group constituting；By solving, described equation group is calculated described three-phase kilowatt-hour meter and the global error of sub- ammeter and charging pile is electric
Can loss.
Preferably, described monitoring unit reports according to the described three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device
Electric energy related data solves three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss, specifically includes：
Described monitoring unit receives energy value and the corresponding current that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report
Value, the electric flux accumulated value adding up under each current segmenting obtaining according to line current segmentation of different sizes；By described electric energy
Amount accumulated value sets up global error, the global error of sub- ammeter and the charging pile electric energy loss error comprising three-phase kilowatt-hour meter as change
Amount, and error criterion device error amount is as the equation of known constant；
The electric energy phase that described monitoring unit reports according to the multiple described three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device
Close data or according to described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report belong to different time sections electric energy related
The equation group that data foundation is made up of described equation；It is calculated described three-phase kilowatt-hour meter, sub- ammeter by solving described equation group
Global error under each current segmenting and corresponding charging pile electric energy loss value.
Preferably, when solving described equation, retrieval is by three-phase kilowatt-hour meter, sub- ammeter and error criterion for described monitoring unit
Energy value or the electric energy belonging to different time sections being reported according to three-phase kilowatt-hour meter, sub- ammeter and error criterion device that device reports
Value, determines and carries out first group of minimum energy value of gage work in the same period simultaneously, and preferentially solution reports this first group electricity
Three-phase kilowatt-hour meter, the global error of sub- ammeter and the charging pile electric energy loss that can be worth.
Preferably, methods described also includes：
Current preference is solved three-phase kilowatt-hour meter, the global error value of sub- ammeter and the charging pile electric energy loss value obtaining bring into
Described equation, and determine in one or more the sub- ammeter model also not solving global error and charging pile electric energy loss
In enclosing, in the same period, it is charged second group of minimum energy value of work simultaneously, and preferentially solution reports this second group of electric energy
The global error of sub- ammeter of value and charging pile electric energy loss；Circulation has solved all entirety to be solved in equation and has missed according to this
Difference and charging pile electric energy loss.
Preferably, described by solve described equation group, be calculated each three-phase kilowatt-hour meter, the global error of sub- ammeter and charging
Stake electric energy loss, specifically includes：
Default one group of initial error amount, for the error variance to be solved being assigned in equation group, wherein said treats
The error variance solving includes described three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss；
One by one choose an error variance from this grouping error variable to be solved as first round object to be solved,
And other error variance is then using this default error amount as parameter, and regard as known object；
Carry out the solution of object to be solved of the described first round using optimized algorithm, specially：
By the function result of calculation that relatively described object to be solved is tried to achieve under different value condition, gradually adjust
The value of described object to be solved；
When the deviation of two function result of calculations is less than predetermined threshold value, obtain the global error of described object to be solved
Value or charging pile electric energy loss value；
Solve mode according to the above-mentioned object to be solved for the first round, obtain respective whole in this grouping error variable successively
Body error amount and charging pile electric energy loss value.
Preferably, described by solve described equation group, be calculated each three-phase kilowatt-hour meter, sub- ammeter under each current segmenting
Global error and corresponding charging pile electric energy loss value, specifically include：
Default one group of initial error amount, for the error variance to be solved being assigned in equation group, wherein said treats
The error variance solving includes described three-phase kilowatt-hour meter, the sub- ammeter global error under each current segmenting and corresponding charging pile electric energy
Loss value；
One by one choose an error variance from this grouping error variable to be solved as first round object to be solved,
And other error variance is then using this default error amount as parameter, and regard as known object；
Carry out the solution of object to be solved of the described first round using optimized algorithm, specially：
By the function result of calculation that relatively described object to be solved is tried to achieve under different value condition, gradually adjust
The value of described object to be solved；
When the deviation of two function result of calculations is less than predetermined threshold value, obtain the global error of described object to be solved
Value or charging pile electric energy loss value；
Solve mode according to the above-mentioned object to be solved for the first round, obtain other errors in this grouping error variable successively
Variable respective global error value and charging pile electric energy loss value.
Compared with prior art, the beneficial effects of the present invention is：The present invention passes through setting in existing charging pile and misses
Difference standard, and combine the Energy Conservation system residing for error criterion device, using each sub- ammeter, three-phase kilowatt-hour meter and error criterion device
The electric energy related data reporting completes the foundation of equation, and brings described equation into using the electric energy related data of different periods
Solve and obtain three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.So that operator are according to three-phase kilowatt-hour meter, son
The global error of ammeter and charging pile electric energy loss confirm whether this charging pile is in normal operating conditions.
【Brief description】
Fig. 1 be a kind of error provided in an embodiment of the present invention can self checking charging pile structural representation；
Fig. 2 be provided in an embodiment of the present invention another kind error can self checking charging pile structural representation；
Fig. 3 be provided in an embodiment of the present invention another kind error can self checking charging pile structural representation；
Fig. 4 be a kind of charging pile error provided in an embodiment of the present invention can self checking method flow diagram；
Fig. 5 be a kind of charging pile error provided in an embodiment of the present invention can self checking method flow diagram；
Fig. 6 be provided in an embodiment of the present invention another kind charging pile error can self checking method flow diagram；
Fig. 7 be provided in an embodiment of the present invention another kind charging pile error can self checking method flow diagram.
【Specific embodiment】
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, and
It is not used in the restriction present invention.
As long as additionally, involved technical characteristic in each embodiment of invention described below is each other not
The conflict of composition just can be mutually combined.
Embodiment 1:
A kind of error of the present invention can self checking charging pile, as shown in Figure 1-2, described charging pile includes one or more
Charging gun (providing the schematic diagram comprising charging gun A and charging gun B in Fig. 1), each charging gun corresponding are provided with sub- ammeter (such as
Shown in Fig. 2, DC meter 1 is then arranged for DC charging rifle C, AC ammeter 1 is then arranged for AC charging rifle D), a use
Input three-phase kilowatt-hour meter, monitoring unit and the rectification module of electric energy in metering, described charging pile also includes error criterion device, specifically
's：
Described error criterion device is arranged on three-phase and four-line electric energy input bus, constitutes tandem junction with described three-phase kilowatt-hour meter
Structure；
Wherein, the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit it
Between set up and have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described
It is connected to described charging gun after sub- ammeter, and, the control port of described rectification module connects described monitoring unit.
The embodiment of the present invention passes through step-up error standard in existing charging pile, and combines residing for error criterion device
Energy Conservation system, completes equation using the electric energy related data that each sub- ammeter, three-phase kilowatt-hour meter and error criterion device report
Set up, and bring described equation into using the electric energy related data of different periods and solve the entirety obtaining three-phase kilowatt-hour meter, sub- ammeter
Error and charging pile electric energy loss.So that operator damage according to three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy
Consumption confirms whether this charging pile is in normal operating conditions.
In conjunction with the embodiment of the present invention, there is a kind of preferred implementation, wherein, described error criterion device includes electric energy meter
Amount chip and its circuit, voltage sensor and current sensor；Wherein, described electric energy computation chip and its circuit, voltage sensor
Device and current sensor have carried out shielding processing, and electromagnetic interference influence is dropped in predetermined threshold value.
Embodiment 2:
Embodiment 1 give a kind of error can self checking charging pile, but, due to the standard error device that it is arranged be peace
It is contained on three-phase and four-line power bus, therefore, it uses, and motility is poor to be directed to each charging pile, needs to carry out larger
Structural adjustment, even error criterion device is arranged on the three-phase and four-line input port of charging pile, due to being under environment under high pressure
Operation, needs also exist for professional recognition and completes, less efficient.The embodiment of the present invention is owned also for solving charging pile
The global error of ammeter and the calculating of charging pile electric energy loss, from improving service efficiency aspect further it is proposed that a kind of error
Can charging pile described in the charging pile of self checking, include as shown in Figure 3 at least two charging guns, each charging gun corresponding is provided with
Sub- ammeter (DC meter 1 and DC meter 2), three-phase kilowatt-hour meter, monitoring unit and a rectification mould being used for measuring input electric energy
Block, described charging pile also includes error criterion device, specifically：
Described error criterion device is designed to bidirectional joint, and side is connected with the car couplings of described charging gun, opposite side
Can be used for being connected with vehicle socket；
Wherein, the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit it
Between set up and have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described
It is connected to described charging gun after sub- ammeter, and, the control port of described rectification module connects described monitoring unit.
The embodiment of the present invention passes through step-up error standard in existing charging pile, and combines residing for error criterion device
Energy Conservation system, completes equation using the electric energy related data that each sub- ammeter, three-phase kilowatt-hour meter and error criterion device report
Set up, and bring described equation into using the electric energy related data of different periods and solve the entirety obtaining three-phase kilowatt-hour meter, sub- ammeter
Error and charging pile electric energy loss.So that operator damage according to three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy
Consumption confirms whether this charging pile is in normal operating conditions.
In conjunction with the embodiment of the present invention, there is a kind of preferred implementation, wherein, described error criterion device includes electric energy meter
Amount chip and its circuit, voltage sensor, current sensor and wireless communication module；Wherein, described electric energy computation chip and its
Circuit, voltage sensor and current sensor have carried out shielding processing, and electromagnetic interference influence is dropped in predetermined threshold value.
Embodiment 3:
The embodiment of the present invention except provide a kind of error as described in embodiment 1 and embodiment 2 can self checking charging pile
Outside structure, the method for calibration that can realize in this error, specifically, described charging pile are additionally provided on the charging pile of self checking
It is provided with one or more error criterion device on three-phase and four-line input bus or on charging gun, as shown in figure 4, described verification
Method comprises the following steps：
In step 201, the monitoring unit of described charging column receives on described three-phase kilowatt-hour meter, sub- ammeter and error criterion device
The electric energy related data of report.
Wherein, electric energy related data include electric energy measurement data, current segmenting data, time data, charging pile mark in
One or more.
In step 202., described monitoring unit is according to the described three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device
Electric energy related data solves three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.
Wherein, according to as the annexation between the metering device of input node and the metering device of output node, fill
The electric energy loss of electric stake can be one of loss of itself intelligence system of line loss, loss on transmission, rectifier loss and charging pile or
Multiple.
For example：Connection distance between the metering device of input node and the metering device of output node is near enough, then its
Line loss amount is negligible.Wherein, described loss can be by setting up error criterion device at equal length transmission line of electricity two ends
Mode whether be negligible come the line loss amount to detect actual transmission line of electricity.
The embodiment of the present invention passes through step-up error standard in existing charging pile, and combines residing for error criterion device
Energy Conservation system, completes equation using the electric energy related data that each sub- ammeter, three-phase kilowatt-hour meter and error criterion device report
Set up, and bring described equation into using the electric energy related data of different periods and solve the entirety obtaining three-phase kilowatt-hour meter, sub- ammeter
Error and charging pile electric energy loss.So that operator damage according to three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy
Consumption confirms whether this charging pile is in normal operating conditions.
In conjunction with the embodiment of the present invention, for described step 202, there is a kind of preferred implementation, specifically include：
Described monitoring unit receives the energy value that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report, and foundation comprises
The global error of three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss error are as variable, and error criterion
Device error amount is as the equation of known constant；
Energy value that described monitoring unit reports according to the multiple three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device or
Set up by described equation according to the energy value belonging to different time sections that three-phase kilowatt-hour meter, sub- ammeter and error criterion device report
The equation group constituting；By solving described equation group, it is calculated global error and the charging pile of described three-phase kilowatt-hour meter and sub- ammeter
Electric energy loss.
Based on the above-mentioned preferred implementation scheme for step 202 and electric to the intelligence that electric energy metrical is completed on charging pile
The research of table, confirms that (on a charging pile, it flows through electric current to intelligent electric meter under the metering environment flowing through different size electric current
Can be determined according to the mode of operation that it has, for example：450V charge mode, all corresponding different work of 750 charge modes etc.
Make electric current), the global error that it shows is different, and that is, different measurement electric currents is applied to different global error values, because
, in conjunction with embodiment of the present invention step 202, there is a kind of mode more accurately solving global error in this, specific as follows：
Described monitoring unit receives energy value and the corresponding current that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report
Value, the electric flux accumulated value adding up under each current segmenting obtaining according to line current segmentation of different sizes；By described electric energy
Amount accumulated value sets up global error, the global error of sub- ammeter and the charging pile electric energy loss error comprising three-phase kilowatt-hour meter as change
Amount, and error criterion device error amount is as the equation of known constant；
The electric energy phase that described monitoring unit reports according to the multiple described three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device
Close data or according to described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report belong to different time sections electric energy related
The equation group that data foundation is made up of described equation；By solving described equation group, it is calculated described three-phase kilowatt-hour meter, sub- ammeter
Global error under each current segmenting and corresponding charging pile electric energy loss value.
Embodiment 4：
Originally it is implemented in the content basis of embodiment 3, by being related to implement the environment of parameter, illustrate how that calculating is filled
Electric stake electric energy loss.In this example, it is assumed that transforming plant lead-in is three-phase four tunnel (single-phase for 380V), and after power transformation, it is two
Individual 450V direct current output.All it is known as completing the equipment of electric energy metrical in error criterion device and charging pile in the present embodiment
Electric power meter, transformer station's schematic diagram as shown in figure 5, according to law of conservation of energy, during the electric energy of high-pressure side input is equal to, low
The electric energy of pressure output and charging pile electric energy loss sum.
W1(1+X1)*(1+XS)=W2(1+X2)+W3(1+X3) (1)
Wherein, Wi=1,2,3 is the electric flux reading of transformer high-low-voltage side electric power meter；Xi=1,2,3 is Wi=
The error of the electric power meter at 1,2,3 places；XsBe transformer loss electric energy and high-pressure side input electric energy a ratio
Value.
If constituting equation or even equation group with formula (1), the equation group obtaining will be a homogeneous equation, and this is neat
Power is chartered by voyage and cannot be drawn one group " unique solution ".
This method is by " error of a given electric power meter is " known " ", " related between destruction equation
Property ", so that equation group can obtain " unique solution ".Specifically, when actual measurement, we are high, medium and low arbitrary
Accurately, so we can be obtained by known error X to the error testing of the electric power meter of voltage sidei, do not lose one
As property it will be assumed that error X of high-pressure side electric power meter1It is known error, formula (1) is arranged, can obtain：
W1Xs+W1X1Xs-W2X2-W3X3=(W2+W3-W1-W1X1) (2)
Formula (2) is one three unknown number X2, X3And XsEquation.If we are the electric energy meter of high, medium and low side
Amount device electric flux reading is continuous to be read three times, reads：W11, W12, W13；W21, W22, W23；And W31, W32, W33；By this three group number-reading
It is updated to formula (2), a ternary quadratic equation group can be obtained.This equation group has solution, furthermore, it is possible to obtain one group
" unique solution ".This organizes unique solution：
X2The global error of medium voltage side electric power meter；
X3The global error of Electric Energy Measurement at Low Voltage Side device；
XsCharging pile electric energy loss ratio value=transformer loss energy consumption/high-pressure side input electric flux；
In view of transformator be loss be nonlinear it may be considered that using input " current segmenting " read energy data
Method, detection electric power meter real global error.While having surveyed the error of electric power meter quasi-, transformation
Device loss also just can accurately measure.
Embodiment 5:
Embodiment 3 describes the electric energy how to report according to the three-phase kilowatt-hour meter on charging pile, sub- ammeter and standard error device
Related data completes the method that three-phase kilowatt-hour meter on charging pile, the global error of sub- ammeter and charging pile electric energy loss calculate.However,
Real solution procedure understood because of the monitoring unit running on the intelligent electric meter degree of accuracy on charging pile and/or charging pile, show
The presence (substantially negligible, but can bring impact to solving equations) of the micro energy consumption unit such as display screen, makes
Become the final equation building cannot solve global error value and the charging pile electric energy loss value of each charging pile.Therefore, in conjunction with
The embodiment of the present invention 3, the embodiment of the present invention proposes a kind of optimized algorithm solving the above problems, as shown in figure 5, specifically including
Following steps：
In step 2021, preset one group of initial error amount, the error to be solved for being assigned in equation group becomes
Amount, wherein said error variance to be solved includes described three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.
In step 2022, one by one choose an error variance as the first round from this grouping error variable to be solved
Object to be solved, and other error variance is then using this default error amount as parameter, and regard as known object.
Carry out the solution of object to be solved of the described first round using optimized algorithm, specially：
In step 2023, calculated by the function that relatively described object to be solved is tried to achieve under different value condition
As a result, gradually adjust the value of described object to be solved.
In step 2024, when the deviation of two function result of calculations is less than predetermined threshold value, obtain described to be solved
The global error value of object or charging pile electric energy loss value.
In step 2025, solve mode according to the above-mentioned object to be solved for the first round, obtain this grouping error successively
Respective global error value and charging pile electric energy loss value in variable.
Embodiment 6:
Embodiment 3 describes the electric energy how to report according to the three-phase kilowatt-hour meter on charging pile, sub- ammeter and standard error device
Related data completes the method that three-phase kilowatt-hour meter on charging pile, the global error of sub- ammeter and charging pile electric energy loss calculate.However,
Real solution procedure understood because of the monitoring unit running on the intelligent electric meter degree of accuracy on charging pile and/or charging pile, show
The presence of the power consumption unit such as display screen, causes the equation finally building cannot solve global error value and the charging of each charging pile
Stake electric energy loss value.Therefore, in conjunction with the preferred implementation scheme of the embodiment of the present invention 3, the embodiment of the present invention proposes a kind of solution
The optimized algorithm of the problems referred to above, as shown in fig. 6, specifically include following steps：
In step 2021 ' in, preset one group of initial error amount, the error to be solved for being assigned in equation group becomes
Amount, wherein said error variance to be solved include described three-phase kilowatt-hour meter, the sub- ammeter global error under each current segmenting and
Corresponding charging pile electric energy loss value.
In step 2022 ' in, one by one choose an error variance from this grouping error variable to be solved as first
Take turns object to be solved, and other error variance is then using this default error amount as parameter, and regard as known object.
Carry out the solution of object to be solved of the described first round using optimized algorithm, specially：
In step 2023 ' in, by the function meter that relatively described object to be solved is tried to achieve under different value condition
Calculate result, gradually adjust the value of described object to be solved.
In step 2024 ' in, when the deviation of two function result of calculations is less than predetermined threshold value, obtain described to be solved
The global error value of object or charging pile electric energy loss value.
In step 2025 ' in, solve mode according to the above-mentioned object to be solved for the first round, obtain this grouping error successively
Other error variance respective global error values and charging pile electric energy loss value in variable.
Embodiment 6:
In the embodiment of the present invention 3, be given a kind of error can self checking charging pile method of calibration, however, concrete
During realization, its computational methods does not make full use of handling characteristicss and its electric energy dependency number of reporting of charging pile charging
According to the characteristic of itself, wherein, the use of the charging gun on charging pile is intermittent and is discrete, and monitoring unit institute
The electric energy related data receiving there may be only 1 within the same time period or 2 charging guns are working (for example：Half
More deserted time period such as night), if preferentially calculating the global error of 1 or 2 charging pile according to this special circumstances and filling
Electric stake electric energy loss, and bring that full scale equation formula carries out the global error of other sub- ammeters and charging pile electric energy loss is asked in turn into
Solution, this will greatly simplify amount of calculation, and can effectively improve computational efficiency.Therefore, also have one in conjunction with the embodiment of the present invention 3
Plant efficient solution throughway.As shown in fig. 7, specifically including following steps：
In step 301, when solving described equation, retrieval is by three-phase kilowatt-hour meter, sub- ammeter and mistake for described monitoring unit
The difference energy value that reports of standard or belong to different time sections according to what three-phase kilowatt-hour meter, sub- ammeter and error criterion device reported
Energy value.
In step 302, determine and in the same period, carry out first group of minimum energy value of gage work simultaneously, and preferentially ask
Solution reports three-phase kilowatt-hour meter, the global error of sub- ammeter and the charging pile electric energy loss of this first group of energy value.
In step 303, current preference is solved the three-phase kilowatt-hour meter obtaining, the global error value of sub- ammeter and charging pile electricity
Described equation can be brought into by loss value.
In step 304, determine also do not solve global error and charging pile electric energy loss one or more
In the range of sub- ammeter, in the same period, be charged second group of minimum energy value of work simultaneously, and preferentially solve report this
The global error of sub- ammeter of two groups of energy values and charging pile electric energy loss.
In step 305, circulation has solved all global errors to be solved and charging pile electric energy damage in equation according to this
Consumption.
What deserves to be explained is, in information exchange between module in said apparatus and system, unit, implementation procedure etc.
Hold, because the processing method embodiment with the present invention is based on same design, particular content can be found in the inventive method embodiment
Narration, here is omitted.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of embodiment is to lead to
Program of crossing to complete come the hardware to instruct correlation, and this program can be stored in a computer-readable recording medium, storage medium
Can include：Read only memory (ROM, Read Only Memory), random access memory (RAM, Random Access
Memory), disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of error can self checking charging pile, described charging pile include one or more charging gun, corresponding each fill
Electric rifle is provided with sub- ammeter, three-phase kilowatt-hour meter, monitoring unit and a rectification module being used for measuring input electric energy, and its feature exists
In described charging pile also includes error criterion device, specifically：
Described error criterion device is arranged on three-phase and four-line electric energy input bus, constitutes cascaded structure with described three-phase kilowatt-hour meter；
Wherein, build between the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit
Vertical have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described sub electric
It is connected to described charging gun after table, and, the control port of described rectification module connects described monitoring unit.
2. error according to claim 1 can self checking charging pile it is characterised in that described error criterion device includes electricity
Can computation chip and its circuit, voltage sensor and current sensor；Wherein, described electric energy computation chip and its circuit, voltage
Sensor and current sensor have carried out shielding processing, and electromagnetic interference influence is dropped in predetermined threshold value.
3. a kind of error can self checking charging pile, described charging pile includes at least two charging guns, each charging gun corresponding
Be provided with sub- ammeter, one be used for the metering input three-phase kilowatt-hour meter of electric energy, monitoring unit and rectification module it is characterised in that institute
State charging pile and also include error criterion device, specifically：
Described error criterion device is designed to bidirectional joint, and side is connected with the car couplings of described charging gun, and opposite side can use
In being connected with vehicle socket；
Wherein, build between the corresponding sub- ammeter of described error criterion device, three-phase kilowatt-hour meter, and each charging gun and described monitoring unit
Vertical have data link, for giving described monitoring unit by the data is activation of respective monitoring；
The input of described rectification module is connected with described three-phase and four-line electric energy input bus, and its outfan is then connected described sub electric
It is connected to described charging gun after table, and, the control port of described rectification module connects described monitoring unit.
4. error according to claim 3 can self checking charging pile it is characterised in that described error criterion device includes electricity
Can computation chip and its circuit, voltage sensor, current sensor and wireless communication module；Wherein, described electric energy computation chip
And its circuit, voltage sensor and current sensor have carried out shielding processing, electromagnetic interference influence is dropped in predetermined threshold value.
5. a kind of error can self checking charging pile method of calibration it is characterised in that described charging pile three-phase and four-line input
It is provided with one or more error criterion device, specifically in bus or on charging gun：
The monitoring unit of described charging column receives the electric energy dependency number that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report
According to；
Described monitoring unit solves according to the electric energy related data of the described three-phase kilowatt-hour meter, sub- ammeter and error criterion device receiving
Three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss.
6. method of calibration according to claim 5 is it is characterised in that described monitoring unit is according to the described three-phase receiving
The electric energy related data of ammeter, sub- ammeter and error criterion device solves each three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile
Electric energy loss, specifically includes：
Described monitoring unit receives the energy value that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report, and sets up and comprises three-phase
The global error of ammeter, the global error of sub- ammeter and charging pile electric energy loss error are as variable, and error criterion device is by mistake
Difference is as the equation of known constant；
Energy value that described monitoring unit reports according to the multiple three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device or according to
The energy value of different time sections that what three-phase kilowatt-hour meter, sub- ammeter and error criterion device reported belong to is set up and is made up of described equation
Equation group；By solving, described equation group is calculated described three-phase kilowatt-hour meter and the global error of sub- ammeter and charging pile electric energy damages
Consumption.
7. method of calibration according to claim 5 is it is characterised in that described monitoring unit is according to the described three-phase receiving
The electric energy related data that ammeter, sub- ammeter and error criterion device report solves three-phase kilowatt-hour meter, the global error of sub- ammeter and charging
Stake electric energy loss, specifically includes：
Described monitoring unit receives energy value and the corresponding current value that described three-phase kilowatt-hour meter, sub- ammeter and error criterion device report,
The electric flux accumulated value adding up under each current segmenting obtaining according to line current segmentation of different sizes；Tired out by described electric flux
Value added foundation comprises global error, the global error of sub- ammeter and the charging pile electric energy loss error of three-phase kilowatt-hour meter as variable,
And error criterion device error amount is as the equation of known constant；
The electric energy dependency number that described monitoring unit reports according to the multiple described three-phase kilowatt-hour meter receiving, sub- ammeter and error criterion device
According to or the electric energy related data belonging to different time sections that reported according to described three-phase kilowatt-hour meter, sub- ammeter and error criterion device
Set up the equation group being made up of described equation；It is calculated described three-phase kilowatt-hour meter, sub- ammeter by solving described equation group each
Global error under current segmenting and corresponding charging pile electric energy loss value.
8. the method for calibration according to claim 6 or 7 is it is characterised in that described monitoring unit is solving described equation
When, retrieve the energy value being reported by three-phase kilowatt-hour meter, sub- ammeter and error criterion device or according to three-phase kilowatt-hour meter, sub- ammeter and error
What standard reported belongs to the energy value of different time sections, determine carry out in the same period simultaneously gage work minimum first
Group energy value, and preferentially solve three-phase kilowatt-hour meter, the global error of sub- ammeter and the charging pile electric energy reporting this first group of energy value
Loss.
9. method of calibration according to claim 8 is it is characterised in that methods described also includes：
Three-phase kilowatt-hour meter, the global error value of sub- ammeter and the charging pile electric energy loss value that current preference solution is obtained is brought into described
Equation, and determine in one or more the sub- ammeter scope also not solving global error and charging pile electric energy loss
Interior, it is charged second group of minimum energy value of work in the same period simultaneously, and preferentially solution reports this second group of energy value
The global error of sub- ammeter and charging pile electric energy loss；Circulation has solved all global errors to be solved in equation according to this
With charging pile electric energy loss.
10. method of calibration according to claim 6 it is characterised in that described by solving described equation group, be calculated each
Three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss, specifically include：
Default one group of initial error amount, for the error variance to be solved being assigned in equation group, wherein said to be solved
Error variance include described three-phase kilowatt-hour meter, the global error of sub- ammeter and charging pile electric energy loss；
One by one choose an error variance from this grouping error variable to be solved as first round object to be solved, and its
Its error variance is then using this default error amount as parameter, and regards as known object；
Carry out the solution of object to be solved of the described first round using optimized algorithm, specially：
By the function result of calculation that relatively described object to be solved is tried to achieve under different value condition, gradually adjust described
The value of object to be solved；
Until two function result of calculations deviation be less than predetermined threshold value when, obtain described object to be solved global error value or
Person's charging pile electric energy loss value；
Solve mode according to the above-mentioned object to be solved for the first round, obtain respective entirety in this grouping error variable successively and miss
Difference and charging pile electric energy loss value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804649.8A CN106468769B (en) | 2016-09-06 | 2016-09-06 | A kind of error can self checking charging pile and its method of calibration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610804649.8A CN106468769B (en) | 2016-09-06 | 2016-09-06 | A kind of error can self checking charging pile and its method of calibration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106468769A true CN106468769A (en) | 2017-03-01 |
| CN106468769B CN106468769B (en) | 2019-05-07 |
Family
ID=58230461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610804649.8A Active CN106468769B (en) | 2016-09-06 | 2016-09-06 | A kind of error can self checking charging pile and its method of calibration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106468769B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445441A (en) * | 2018-06-22 | 2018-08-24 | 国网山东省电力公司电力科学研究院 | A kind of method of inspection for realizing alternating-current charging pile electric flux error checking function |
| CN108828359A (en) * | 2018-06-22 | 2018-11-16 | 国网山东省电力公司电力科学研究院 | A kind of method of inspection for realizing direct-current charging post electric flux error checking function |
| CN109061291A (en) * | 2018-06-22 | 2018-12-21 | 国网山东省电力公司电力科学研究院 | A kind of method of calibration of embedded On-line sampling system charging pile electric energy error |
| CN109167441A (en) * | 2018-10-30 | 2019-01-08 | 四川洪诚电气科技有限公司 | A kind of Intelligent electricity utilization management system |
| CN109816195A (en) * | 2018-12-05 | 2019-05-28 | 深圳市科陆电子科技股份有限公司 | A kind of charging station electric energy loss metering system and metering method |
| CN110682820A (en) * | 2018-07-06 | 2020-01-14 | 普天信息技术有限公司 | Method and device for detecting charging quantity accuracy of charging pile on line |
| CN111965472A (en) * | 2020-10-23 | 2020-11-20 | 北京国新智电新能源科技有限责任公司 | Charging gun self-detection method, system and device for removing atmospheric environment interference |
| CN113246782A (en) * | 2021-05-26 | 2021-08-13 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
| CN113346579A (en) * | 2021-05-26 | 2021-09-03 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of metering equipment in DC charging station |
| CN114152808A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Intelligent electric meter with error self-checking function and checking method thereof |
| CN114152813A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Error self-checking three-phase electric energy meter and measuring system and method thereof |
| CN114152804A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Electric energy meter with three-way array structure and measuring system and method thereof |
| CN114152787A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Electric energy meter structure for checking error at home of user and error checking method |
| CN114594318A (en) * | 2021-06-08 | 2022-06-07 | 浙江科律检测技术有限公司 | Metering error monitoring method for alternating current charging pile and storage medium |
| CN114613066A (en) * | 2022-03-25 | 2022-06-10 | 广东易正电气股份有限公司 | Automatic control charging method of charging pile |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111680A (en) * | 1984-06-28 | 1986-01-20 | Keihin Densokuki Kk | Testing device for normal watt-hour meter instrument error |
| CN101477185A (en) * | 2009-02-13 | 2009-07-08 | 成都博高科技有限责任公司 | Evaluation method for measuring accuracy of electric energy meter |
| CN104682520A (en) * | 2015-03-17 | 2015-06-03 | 北京市计量检测科学研究院 | Electric vehicle AC charging connection device with measurement and detection port |
| CN204538783U (en) * | 2015-02-05 | 2015-08-05 | 深圳市瀚美特科技有限公司 | A kind of multiple gun head high power DC charging pile system |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN205317923U (en) * | 2015-12-22 | 2016-06-15 | 邵羽达 | Charge on --spot measurement calibration system of electric pile of filling of adapter of band signal sampling |
| CN105699816A (en) * | 2016-03-08 | 2016-06-22 | 北京群菱能源科技有限公司 | AC charging post calibration device |
-
2016
- 2016-09-06 CN CN201610804649.8A patent/CN106468769B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6111680A (en) * | 1984-06-28 | 1986-01-20 | Keihin Densokuki Kk | Testing device for normal watt-hour meter instrument error |
| CN101477185A (en) * | 2009-02-13 | 2009-07-08 | 成都博高科技有限责任公司 | Evaluation method for measuring accuracy of electric energy meter |
| CN204538783U (en) * | 2015-02-05 | 2015-08-05 | 深圳市瀚美特科技有限公司 | A kind of multiple gun head high power DC charging pile system |
| CN104682520A (en) * | 2015-03-17 | 2015-06-03 | 北京市计量检测科学研究院 | Electric vehicle AC charging connection device with measurement and detection port |
| CN105259532A (en) * | 2015-11-26 | 2016-01-20 | 云南电网有限责任公司电力科学研究院 | Electric vehicle charging pile DC electric energy meter calibration system |
| CN205317923U (en) * | 2015-12-22 | 2016-06-15 | 邵羽达 | Charge on --spot measurement calibration system of electric pile of filling of adapter of band signal sampling |
| CN105606937A (en) * | 2016-02-25 | 2016-05-25 | 北京群菱能源科技有限公司 | DC charging pile calibration device |
| CN105699816A (en) * | 2016-03-08 | 2016-06-22 | 北京群菱能源科技有限公司 | AC charging post calibration device |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828359A (en) * | 2018-06-22 | 2018-11-16 | 国网山东省电力公司电力科学研究院 | A kind of method of inspection for realizing direct-current charging post electric flux error checking function |
| CN109061291A (en) * | 2018-06-22 | 2018-12-21 | 国网山东省电力公司电力科学研究院 | A kind of method of calibration of embedded On-line sampling system charging pile electric energy error |
| CN108445441A (en) * | 2018-06-22 | 2018-08-24 | 国网山东省电力公司电力科学研究院 | A kind of method of inspection for realizing alternating-current charging pile electric flux error checking function |
| CN110682820B (en) * | 2018-07-06 | 2021-05-25 | 普天信息技术有限公司 | Method and device for detecting charging quantity accuracy of charging pile on line |
| CN110682820A (en) * | 2018-07-06 | 2020-01-14 | 普天信息技术有限公司 | Method and device for detecting charging quantity accuracy of charging pile on line |
| CN109167441A (en) * | 2018-10-30 | 2019-01-08 | 四川洪诚电气科技有限公司 | A kind of Intelligent electricity utilization management system |
| CN109816195A (en) * | 2018-12-05 | 2019-05-28 | 深圳市科陆电子科技股份有限公司 | A kind of charging station electric energy loss metering system and metering method |
| CN109816195B (en) * | 2018-12-05 | 2024-01-05 | 深圳市科陆电子科技股份有限公司 | Electric energy loss metering system and metering method for charging station |
| CN114152787B (en) * | 2020-09-08 | 2024-04-02 | 武汉国测数据技术有限公司 | Electric energy meter structure for checking errors by users at home and error checking method |
| CN114152808A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Intelligent electric meter with error self-checking function and checking method thereof |
| CN114152813A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Error self-checking three-phase electric energy meter and measuring system and method thereof |
| CN114152804A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Electric energy meter with three-way array structure and measuring system and method thereof |
| CN114152787A (en) * | 2020-09-08 | 2022-03-08 | 武汉国测数据技术有限公司 | Electric energy meter structure for checking error at home of user and error checking method |
| CN114152808B (en) * | 2020-09-08 | 2024-03-15 | 武汉国测数据技术有限公司 | Smart electric meter with error self-checking function and checking method thereof |
| CN114152813B (en) * | 2020-09-08 | 2024-03-15 | 武汉国测数据技术有限公司 | Error self-checking three-phase electric energy meter and measuring system and method thereof |
| CN114152804B (en) * | 2020-09-08 | 2024-03-15 | 武汉国测数据技术有限公司 | Electric energy meter with three-way array structure and measuring system and method thereof |
| CN111965472B (en) * | 2020-10-23 | 2020-12-25 | 北京国新智电新能源科技有限责任公司 | Charging gun self-detection method, system and device for removing atmospheric environment interference |
| CN111965472A (en) * | 2020-10-23 | 2020-11-20 | 北京国新智电新能源科技有限责任公司 | Charging gun self-detection method, system and device for removing atmospheric environment interference |
| CN113346579A (en) * | 2021-05-26 | 2021-09-03 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of metering equipment in DC charging station |
| CN113246782B (en) * | 2021-05-26 | 2022-07-19 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
| CN113246782A (en) * | 2021-05-26 | 2021-08-13 | 国网浙江省电力有限公司营销服务中心 | Method for monitoring operation error of direct current charging pile |
| CN114594318A (en) * | 2021-06-08 | 2022-06-07 | 浙江科律检测技术有限公司 | Metering error monitoring method for alternating current charging pile and storage medium |
| CN114613066A (en) * | 2022-03-25 | 2022-06-10 | 广东易正电气股份有限公司 | Automatic control charging method of charging pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106468769B (en) | 2019-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106468769B (en) | A kind of error can self checking charging pile and its method of calibration | |
| CN106249193B (en) | A kind of method and system of the charging pile electric energy metering error verification of charging station | |
| CN107420743B (en) | Intelligent urban gas PE pipe network measurement and control system and measurement and control method | |
| CN107176045A (en) | Dynamic induction wireless charging system and the charging system of vehicle for vehicle | |
| CN106546944A (en) | It is a kind of in the method for having line loss system lieutenant colonel to test electric power meter error | |
| CN106249194B (en) | A kind of mobile error criterion device and its detection method and system for charging pile error-detecting | |
| CN104052107B (en) | A kind of electric automobile self adaptation charge control method based on wifi | |
| CN104764984A (en) | Improved transformer oil-paper insulation medium response equivalent circuit parameter identification method | |
| US10794939B2 (en) | Sensors for power distribution network and electrical grid monitoring system associated therewith | |
| CN102724006A (en) | Rapid self-checking system and method of satellite comprehensive testing system | |
| CN104599193A (en) | Rule base based single-phase ground fault positioning method of distribution network | |
| CN104977474B (en) | For the system for the loss for measuring high voltage direct current | |
| CN107942279A (en) | Voltage transformer scene movable detecting platform and detection method in energy metering device | |
| CN109782131A (en) | A kind of near-earth formula self-powered overhead transmission line fault detection means | |
| CN103543378B (en) | Platform sheet relation detection method | |
| CN108445441A (en) | A kind of method of inspection for realizing alternating-current charging pile electric flux error checking function | |
| CN104216021A (en) | Underground nuclear magnetic resonance exploration method based on step-by-step transmission | |
| CN103424627B (en) | The method of double-end measurement parallel grid line zero-sequence impedance | |
| CN207586411U (en) | Voltage transformer scene movable detecting platform in energy metering device | |
| CN214122351U (en) | Fill electric pile detection device and system | |
| CN109752664A (en) | A kind of charging detects the method and application of battery core internal resistance in battery pack | |
| CN113552443A (en) | Hybrid connection high-voltage line fault identification method based on alternating current-direct current pulse and random forest | |
| CN105277913A (en) | Capacitive-type voltage transformer testing method | |
| CN205157639U (en) | Synchronous earth mat reposition of redundant personnel vector test system of application GPS | |
| CN106443558B (en) | A kind of mobile error criterion device and its detection method for charging pile error-detecting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 430077 East Lake New Technology Development Zone, Wuhan City, Hubei Province Applicant after: Wuhan National Survey Data Technology Co., Ltd. Applicant after: Hou Fei Address before: 430077 East Lake New Technology Development Zone, Wuhan City, Hubei Province Applicant before: Wuhan Yuri Energy Saving Technology Co., Ltd. Applicant before: Hou Fei |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |