CN109541352A - A kind of non-on-board charger detection device bus parallel connection formula load dispatching method and its device - Google Patents
A kind of non-on-board charger detection device bus parallel connection formula load dispatching method and its device Download PDFInfo
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- CN109541352A CN109541352A CN201811449390.5A CN201811449390A CN109541352A CN 109541352 A CN109541352 A CN 109541352A CN 201811449390 A CN201811449390 A CN 201811449390A CN 109541352 A CN109541352 A CN 109541352A
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- 238000001514 detection method Methods 0.000 title claims abstract description 90
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- 238000012360 testing method Methods 0.000 claims abstract description 42
- 230000003993 interaction Effects 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 238000012544 monitoring process Methods 0.000 claims abstract description 10
- 238000005070 sampling Methods 0.000 claims abstract description 3
- 230000002068 genetic effect Effects 0.000 claims description 19
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- 230000010429 evolutionary process Effects 0.000 claims description 3
- 230000035772 mutation Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims 1
- 238000003708 edge detection Methods 0.000 claims 1
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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
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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
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
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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
- 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
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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
- 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
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Abstract
The present invention provides a kind of non-on-board charger detection device bus parallel connection formula load dispatching method and its devices, plate is held including circulation load unit, ohmic load unit, detection control centre's unit and human-computer interaction, detection control centre's unit includes high current channel plate, BMS simulator, power management module, front end-plate, sampling plate, Insulation monitoring unit and inspection center's industrial personal computer, the circulation load unit and ohmic load unit are formed by by standardized bus type support structures；The present invention can effectively adapt to the load parallel running of the circulation more than three or more to the dispatching method of charging detection circulation load；Second, the present invention can make to detect the severe situation under work effectively adapts to field electric energy quality to a certain degree；Third, it is possible to prevente effectively from partial test work (such as ripple) is interfered by circulation type load-strap；Therefore the present invention will make load have bigger flexibility ratio, preferably answer the demand in right scene or laboratory.
Description
Technical field
The present invention relates to charger detection technique field, specially a kind of non-on-board charger detection device bus parallel connection formula
Load dispatching method and its device.
Background technique
In the case where policy encourages background, quantity rapidly increases charging pile.
With the propulsion of China's economic sustained and rapid development and Development of China's Urbanization, resident persistently increases trip ability need
Add, longer one period, automobile trip requirements amount will keep growth from now on.And China's oil resource largely relies on the world
Oil market.Thus bring energy shortage problem and problem of environmental pollution will be protruded more.To mitigate environmental pollution and reduction
To the degree of dependence on inport of the international petroleum energy, China accelerates the popularization and application of new-energy automobile in recent years.And for servicing new energy
Source automobile accessories electrically-charging equipment, country is it is also proposed that charging equipment quantity advanced instruction more appropriate than electric car quantity.?
Under the policy support of country and local government, there is swift and violent growth momentum in charging equipment.
Due to being in the initial stage of industry development, the everyway of charging equipment industry is perfect not to the utmost, leads to charging equipment matter
It measures very different.And the quality of charging equipment is directly related to electric car continuous capability, user's personal safety as well as the property safety, electricity
Fair deal etc..Charging operator must assure that the safety of charging equipment, accuracy, versatility as substantial responsibility side.
Work is detected after carrying out the cycle detection of charging pile scene and arrival, is to ensure that charging pile safety, versatility and electricity
The key link of energy metering accuracy.It is this directly facing scene and to the detection work of charging pile before scene, can rationally keep away
Exempt from current generally existing in type experiment, in fact it could happen that inspection charging equipment be actually better than the same model at the scene of being sent to and fill
Electric equipment phenomenon.It can also effectively check that, because of long-term working environment influence, caused charging pile performance degradation failure is asked
Topic.It is final to guarantee that fast charge station maintain good use state.
Therefore, the relevant technologies that research is applied to the cycle detection of charging pile scene are highly desirable, are developed specifically for filling
The efficient dedicated on-site detecting device of the performances such as electric stake metering, carries out charging pile scene cycle detection work.This is to raising
Safety, versatility and the charging clearing that charging pile scene is run are fair and just, reduce charging pile on-site test job costs, mention
High charge service quality is of great significance.
DC charging bring measurement problem first is that DC charging capacity is larger, if direct-current charging post electrical energy measurement verifies
Load in device is using pure resistance or electronic load form and circulation detection mode.Direct-current charging post regularly period every year
Verification will bring the biggish energy to dissipate, and second, when on-site test, the distribution network electric energy quality environment faced is possible to excessively dislike
It is bad, finally bring challenges to on-site test work；Third, in project testings such as thin performances, circulation type load may detected
Interference is brought when certain performances.It is therefore desirable to study module type detection load dispatching method to keep various types load preferably suitable
For use demand.
Summary of the invention
The object of the present invention is to which problem when being directed to non-on-board charger on-site test or laboratory testing, provides a kind of non-
Vehicle-mounted charge machine detecting device bus parallel connection formula load dispatching method and its device, enable various types of loads preferably to fit
Answer the demand of scene or laboratory testing.
To achieve the above object, the one side of embodiment of the present invention provides a kind of non-on-board charger detection device bus
Parallel load dispatcher, including circulation load unit, ohmic load unit, detection control centre's unit and human-computer interaction hand
Maintain an equal level plate, and detection control centre's unit includes high current channel plate, and BMS simulator, power management module, front end-plate adopts
Template, Insulation monitoring unit and inspection center's industrial personal computer, the circulation load unit and ohmic load unit are by by standard
The bus type support structures of change form；
The Insulation monitoring unit carries out insulating properties detection to charging pile pipette tips under the order of heart industrial personal computer in the detection, if
Between meter insulation detecting circuit connection DC+ and PE, DC- and PE, after starting Insulation monitoring, call high pressure that module occurs, to charging
High pressure is loaded between the bus and PE that rifle introduces respectively, and it is obtained by the electric current between detection DC+ and PE, DC- and PE
Insulation resistance value；
The human-computer interaction holds plate, using the connection transmitting message and control of wireless WIFI and detection control centre's unit
System order；
The circulation load unit is mainly used for realizing that high-power power when detection feeds back to power grid by this unit, mainly
It is made of multiple groups Three-Phase PWM Rectifier module, power information holds flat-plate emergency by inspection center's industrial personal computer and human-computer interaction
Control；
The bus type support structures select the scheme of communication protocol layering to carry out bus communication protocol design, to classics
Seven layer protocol of OSI reference model optimizes, and is layered as physical layer, data link layer and application layer.
Preferably, the human-computer interaction, which holds plate, can also scan two dimensional code made of charging pile name plate information, directly
Name plate information is automatically entered into inspection center's industrial personal computer, saves the cumbersome work for being manually entered name plate information before detection prepares.
Preferably, the ohmic load unit can adjust resistance sizes by continuous-stable according to demand.
Preferably, in the physical layer, the strong feature of the anti-live interference performance of CAN bus based difference has been borrowed and has been filled
The CAN bus of electric national standard interface.
Preferably, in the data link layer, avoidance machine is sent using with priority setting ability CAN2.0B message
System, to guarantee timely responding to for the important high-priority message of core.
To achieve the above object, the another aspect of embodiment of the present invention also provides a kind of non-on-board charger detection device
Bus parallel connection formula load dispatching method, comprising the following steps:
Step 1: wiring: maximum power range according to demand, access can complete that detection can only be completed by ohmic load
The load of purpose minimum resistance, other load shares are formed by having the load of the circulation type of bus interface ability, use inspection center
Industrial personal computer opens WIFI hot spot, plate connection WIFI hot spot is held using human-computer interaction, into hot stand-by duty；
Step 2: starting to test；
Step 3: flat-bed scanning nameplate two-dimensional barcode information is used, by plate automatic input data to inspection center's industrial personal computer；
Step 4: being judged using detection device institute An Wendu, humidity, barometric pressure sensor calibrating environmental condition, judge ring
When border condition meets sets requirement, work is continued to test；
Step 5: detector plugs in rifle and carries out insulating properties detection to charging pile pipette tips to switch sections；
Step 6: loading condition needed for current detection instrument is judged:
It is preferential to start circulation load if needing to detect detecting large volume at this time but being less than circulation load capacity, most
If start-up resistor loads afterwards；It is transferred to step 7；
It is preferential to start circulation load if needing to detect detecting large volume but being higher than circulation load capacity at this time,
Last start-up resistor load；It is transferred to step 22；
If the distribution environment of charging pile detection at this time is poor, idle and harmonic wave situation is had；It is transferred to step 23；
If needing to carry out the detection work that ripple can only be carried out by ohmic load at this time；It is transferred to step 26；
Step 7: it swipes the card and starts charging pile, start circulation load unit, after circulation load unit enters stable state, inspection
Target operating condition or customized power operating condition are set as this suboptimization input quantity by observing and controlling center cell, it is assumed that this operating condition power
It is required that being P；
Step 8: if the circulation load unit of this circulation detection is to use, increase and decrease or replace situation for the first time, entering step
9, if it is not, we enter step 14；
Step 9: the power for the circulation load unit that test is used for the first time, increases and decreases or replaced is corresponding with unit efficiencies bent
Line, and test data array is inputted into detection control centre；
Step 10: detection control centre carries out the power that fitting of a polynomial obtains each new unit to i-th of test data
Efficiency curve, such as y=fi (pi)；
Step 11: overall losses formula can be obtained using power efficiency curve are as follows:
Step 12: the equality constraint of this circulating device can be abstracted as follows:
Or it is written as follow matrix form:
Definition above formula left side square matrix is Aeq, column vector P；
Above formula can be write a Chinese character in simplified form are as follows:
AeqP=Po
Inequality constraints is as follows:
For following formats can be standardized into convenient for subsequent statement:
It is lost, is expressed as follows to find the minimum met under equality constraint:
Minimize:Ploss
Subject to:AeqP=Po
Step 13: in order to find globally optimal solution, being solved with genetic algorithm in above-mentioned equality constraint and inequality
The vector P for making Ploss obtain minimum value is found under constraint condition；
Step 14: the function that the power assignment value of the multiple units obtained by genetic algorithm will obtain whole circulating device
Rate loss is minimum；
Genetic algorithmic steps are since step 15:
Step 15: multiple individuals are generated as initial population by random function；
Step 16: calculating the fitness function of current locationAs the mark for judging quality
It is quasi-；
Step 17: selection operator being acted on into group, the purpose of selection is that the individual of optimization is genetic directly to the next generation
Or intersect the individual generated newly by pairing and be genetic to the next generation again, the fitness that selection operation is built upon individual in population is commented
On the basis of estimating；
Step 18: crossover operator being acted on into group, what is played the role of a nucleus in genetic algorithm is exactly crossover operator；
Step 19: mutation operator being acted on into group, is the gene on certain locus to the individual string in group
Value changes；
Step 20: if having reached termination condition judgement, there is maximum adaptation degree individual with obtained in evolutionary process
It is exported as optimal solution, terminates and calculate；
Step 21: each value that algorithm is obtained distributes to each circulation load unit output power instruction value, realizes most
Excellent operation；
Step 22: surmounting the maximum capacity part of circulation load unit, setting resistance value is U2/(P-PCirculation)；
Step 23: the control of detection control centre obtains the related idle situation of distribution and humorous using moment idle theoretical detection
Wavy state；
Step 24: the idle and harmonic wave task that detection control centre compensates demand distributes to each circulation load unit,
Form adds to the output order part of each circulation load unit with additive；
Step 25: after distribution network electric energy quality state is restricted, carrying out non-on-board charger on-site test；
Step 26: if detection process carries out the test influenced to ripple test vulnerable to power device switch, shutting down circulation
Load unit；
Step 27: enabling ohmic load to the load gear of required test, tested；
Step 28: test terminates.
Compared with prior art, the beneficial effects of the present invention are:
The present invention can effectively adapt to the load of the circulation more than three or more to the dispatching method of charging detection circulation load
Parallel running.Also more there is the ability for finding global optimum compared with particle swarm algorithm simultaneously；Second, when on-site test, the distribution that faces
Power quality environment is possible to excessively severe, finally brings challenges to on-site test work；The present invention can be such that detection work has
Imitate the severe situation under adapting to field electric energy quality to a certain degree；Third, (such as ripple it is possible to prevente effectively from partial test works
Deng) interfered by circulation type load-strap.Therefore the present invention uses the combined schedule of several different loads, has load bigger
Flexibility ratio, preferably answer it is right scene or laboratory demand.
Detailed description of the invention
Fig. 1 is apparatus of the present invention schematic illustration；
Fig. 2 is genetic algorithm flow chart of the present invention.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
Referring to Fig. 1, the one side of embodiment of the present invention provides a kind of non-on-board charger detection device bus parallel connection
Formula load dispatcher, including circulation load unit, ohmic load unit, detection control centre's unit and human-computer interaction are hand-held flat
Plate, detection control centre's unit include high current channel plate, BMS simulator, power management module, front end-plate, sampling plate,
Insulation monitoring unit and inspection center's industrial personal computer, the circulation load unit and ohmic load unit are by by standardized total
Wire type support structures composition；
The Insulation monitoring unit carries out insulating properties detection to charging pile pipette tips under the order of heart industrial personal computer in the detection, if
Between meter insulation detecting circuit connection DC+ and PE, DC- and PE, after starting Insulation monitoring, call high pressure that module occurs, to charging
High pressure is loaded between the bus and PE that rifle introduces respectively, and it is obtained by the electric current between detection DC+ and PE, DC- and PE
Insulation resistance value；
The human-computer interaction holds plate, when being execute-in-place, avoids the hard work of operator's solarization or operation of squatting down,
Using the connection transmitting message and control command of wireless WIFI and detection control centre's unit；
The circulation load unit is mainly used for realizing that high-power power when detection feeds back to power grid by this unit, mainly
It is made of multiple groups Three-Phase PWM Rectifier module, power information holds flat-plate emergency by inspection center's industrial personal computer and human-computer interaction
Control；
The bus type support structures select the scheme of communication protocol layering to carry out bus communication protocol design, real to meet
When property and low cost require, and optimize to classical seven layer protocol of OSI Reference Model, only remaining physical layer, data link layer
And application layer.
Preferably, the human-computer interaction, which holds plate, can also scan two dimensional code made of charging pile name plate information, directly
Name plate information is automatically entered into inspection center's industrial personal computer, saves the cumbersome work for being manually entered name plate information before detection prepares.
Preferably, the ohmic load unit can adjust resistance sizes by continuous-stable according to demand.
Preferably, in the physical layer, the strong feature of the anti-live interference performance of CAN bus based difference, a bite is dual-purpose
The simple simplicity that engineering uses is brought, the interface specification of national standard is also to promote this standard to reduce very big difficulty, has borrowed and has filled
The CAN bus of electric national standard interface.
Preferably, in the data link layer, since in on-site test, the high-voltage great-current that load is related to secure context is asked
Topic, the real-time of bus are sent to key message and its important, therefore selection has ability CAN2.0B message is arranged with priority
Escape mechanism is sent, to guarantee timely responding to for the important high-priority message of core.
The another aspect of embodiment of the present invention also provides a kind of non-on-board charger detection device bus parallel connection formula load
Dispatching method, comprising the following steps:
Step 1: wiring: maximum power range according to demand, access can complete that detection can only be completed by ohmic load
The load of purpose minimum resistance, other load shares are formed by having the load of the circulation type of bus interface ability, use inspection center
Industrial personal computer opens WIFI hot spot, plate connection WIFI hot spot is held using human-computer interaction, into hot stand-by duty；
Step 2: starting to test；
Step 3: flat-bed scanning nameplate two-dimensional barcode information is used, by plate automatic input data to inspection center's industrial personal computer；
Step 4: being judged using detection device institute An Wendu, humidity, barometric pressure sensor calibrating environmental condition, judge ring
When border condition meets sets requirement, work is continued to test；
Step 5: detector plugs in rifle and carries out insulating properties detection to charging pile pipette tips to switch sections；
Step 6: loading condition needed for current detection instrument is judged:
It is preferential to start circulation load if needing to detect detecting large volume at this time but being less than circulation load capacity, most
If start-up resistor loads afterwards；It is transferred to step 7；
It is preferential to start circulation load if needing to detect detecting large volume but being higher than circulation load capacity at this time,
Last start-up resistor load；It is transferred to step 22；
If the distribution environment of charging pile detection at this time is poor, idle and harmonic wave situation is had；It is transferred to step 23；
If needing to carry out the detection work that ripple can only be carried out by ohmic load at this time；It is transferred to step 26；
Step 7: it swipes the card and starts charging pile, start circulation load unit, after circulation load unit enters stable state, inspection
Target operating condition or customized power operating condition are set as this suboptimization input quantity by observing and controlling center cell, it is assumed that this operating condition power
It is required that being P；
Step 8: if the circulation load unit of this circulation detection is to use, increase and decrease or replace situation for the first time, entering step
9, if it is not, we enter step 14；
Step 9: the power for the circulation load unit that test is used for the first time, increases and decreases or replaced is corresponding with unit efficiencies bent
Line, and test data array is inputted into detection control centre；
Step 10: detection control centre carries out the power that fitting of a polynomial obtains each new unit to i-th of test data
Efficiency curve, such as y=fi (pi)；
Step 11: overall losses formula can be obtained using power efficiency curve are as follows:
Step 12: the equality constraint of this circulating device can be abstracted as follows:
Or it is written as follow matrix form:
Definition above formula left side square matrix is Aeq, column vector P；
Above formula can be write a Chinese character in simplified form are as follows:
AeqP=Po
Inequality constraints is as follows:
For following formats can be standardized into convenient for subsequent statement:
It is lost, is expressed as follows to find the minimum met under equality constraint:
Minimize:Ploss
Subject to:AeqP=Po
Step 13: in order to find globally optimal solution, being solved with genetic algorithm in above-mentioned equality constraint and inequality
The vector P for making Ploss obtain minimum value is found under constraint condition；As shown in Figure 2；
Step 14: the function that the power assignment value of the multiple units obtained by genetic algorithm will obtain whole circulating device
Rate loss is minimum；
Genetic algorithmic steps are since step 15:
Step 15: multiple individuals are generated as initial population by random function；
Step 16: calculating the fitness function of current locationAs the mark for judging quality
It is quasi-；
Step 17: selection operator being acted on into group, the purpose of selection is that the individual of optimization is genetic directly to the next generation
Or intersect the individual generated newly by pairing and be genetic to the next generation again, the fitness that selection operation is built upon individual in population is commented
On the basis of estimating；
Step 18: crossover operator being acted on into group, what is played the role of a nucleus in genetic algorithm is exactly crossover operator；
Step 19: mutation operator being acted on into group, is the gene on certain locus to the individual string in group
Value changes；
Step 20: if having reached termination condition judgement, there is maximum adaptation degree individual with obtained in evolutionary process
It is exported as optimal solution, terminates and calculate；
Step 21: each value that algorithm is obtained distributes to each circulation load unit output power instruction value, realizes most
Excellent operation；
Step 22: surmounting the maximum capacity part of circulation load unit, setting resistance value is U2/(P-PCirculation)；
Step 23: the control of detection control centre obtains the related idle situation of distribution and humorous using moment idle theoretical detection
Wavy state；
Step 24: the idle and harmonic wave task that detection control centre compensates demand distributes to each circulation load unit,
Form adds to the output order part of each circulation load unit with additive；
Step 25: after distribution network electric energy quality state is restricted, carrying out non-on-board charger on-site test；
Step 26: if detection process carries out the test influenced to ripple test vulnerable to power device switch, shutting down circulation
Load unit；
Step 27: enabling ohmic load to the load gear of required test, tested；
Step 28: test terminates.
The above only expresses the preferred embodiment of the present invention, and the description thereof is more specific and detailed, but can not be because
This and be interpreted as limitations on the scope of the patent of the present invention.It should be pointed out that for those of ordinary skill in the art,
Under the premise of not departing from present inventive concept, several deformations can also be made, improves and substitutes, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (6)
1. a kind of non-on-board charger detection device bus parallel connection formula load dispatcher, which is characterized in that loaded including circulation
Unit, ohmic load unit, detection control centre's unit and human-computer interaction hold plate, and detection control centre unit includes
High current channel plate, BMS simulator, power management module, front end-plate, sampling plate, Insulation monitoring unit and inspection center's industry control
Machine, the circulation load unit and ohmic load unit are formed by by standardized bus type support structures；
The Insulation monitoring unit carries out insulating properties detection to charging pile pipette tips under the order of heart industrial personal computer in the detection, and design is exhausted
Between the connection of edge detection circuit DC+ and PE, DC- and PE, after starting Insulation monitoring, calls high pressure that module occurs, charging gun is drawn
High pressure is loaded between the bus and PE entered respectively, and its insulation is obtained by the electric current between detection DC+ and PE, DC- and PE
Resistance value；
The human-computer interaction holds plate, is ordered using the connection transmitting message and control of wireless WIFI and detection control centre's unit
It enables；
The circulation load unit is mainly used for realizing that high-power power when detection feeds back to power grid by this unit, mainly by more
Group Three-Phase PWM Rectifier module composition, power information hold flat-plate emergency by inspection center's industrial personal computer and human-computer interaction and control；
The bus type support structures select the scheme of communication protocol layering to carry out bus communication protocol design, to classical OSI
Seven layer protocol of reference model optimizes, and is layered as physical layer, data link layer and application layer.
2. a kind of non-on-board charger detection device bus parallel connection formula load dispatcher according to claim 1, special
Sign is: the human-computer interaction, which holds plate, can also scan two dimensional code made of charging pile name plate information, directly believe nameplate
Breath automatically enters inspection center's industrial personal computer, saves the cumbersome work that name plate information is manually entered before detection prepares.
3. a kind of non-on-board charger detection device bus parallel connection formula load dispatcher according to claim 1, special
Sign is: the ohmic load unit, can adjust resistance sizes by continuous-stable according to demand.
4. a kind of non-on-board charger detection device bus parallel connection formula load dispatcher according to claim 1, special
Sign is: in the physical layer, the strong feature of the anti-live interference performance of CAN bus based difference has borrowed charging state tag splice
The CAN bus of mouth.
5. a kind of non-on-board charger detection device bus parallel connection formula load dispatcher according to claim 1, special
Sign is: in the data link layer, escape mechanism is sent using with priority setting ability CAN2.0B message, to guarantee
The important high-priority message of core timely responds to.
6. a kind of non-on-board charger detection device bus parallel connection formula load dispatching method, which comprises the following steps:
Step 1: wiring: maximum power range according to demand, access can complete that detection project can only be completed by ohmic load
Minimum resistance load, other load shares are formed by having the load of the circulation type of bus interface ability, use inspection center's industry control
Machine opens WIFI hot spot, plate connection WIFI hot spot is held using human-computer interaction, into hot stand-by duty；
Step 2: starting to test；
Step 3: flat-bed scanning nameplate two-dimensional barcode information is used, by plate automatic input data to inspection center's industrial personal computer；
Step 4: being judged using detection device institute An Wendu, humidity, barometric pressure sensor calibrating environmental condition, judge environment item
When part meets sets requirement, work is continued to test；
Step 5: detector plugs in rifle and carries out insulating properties detection to charging pile pipette tips to switch sections；
Step 6: loading condition needed for current detection instrument is judged:
It is preferential to start circulation load if needing to detect detecting large volume at this time but being less than circulation load capacity, if last
Start-up resistor load；It is transferred to step 7；
It is preferential to start circulation load if needing to detect detecting large volume but being higher than circulation load capacity at this time, finally
Start-up resistor load；It is transferred to step 22；
If the distribution environment of charging pile detection at this time is poor, idle and harmonic wave situation is had；It is transferred to step 23；
If needing to carry out the detection work that ripple can only be carried out by ohmic load at this time；It is transferred to step 26；
Step 7: it swipes the card and starts charging pile, start circulation load unit, after circulation load unit enters stable state, detection control
Target operating condition or customized power operating condition are set as this suboptimization input quantity by center cell processed, it is assumed that this operating condition power requirement
For P；
Step 8: if the circulation load unit of this circulation detection is to use, increase and decrease or replace situation for the first time, 9 are entered step, if
No, we enter step 14；
Step 9: the power for the circulation load unit that test is used for the first time, increases and decreases or replaced and the homologous thread of unit efficiencies, and
Test data array is inputted into detection control centre；
Step 10: detection control centre carries out the power efficiency that fitting of a polynomial obtains each new unit to i-th of test data
Curve, such as y=fi (pi)；
Step 11: overall losses formula can be obtained using power efficiency curve are as follows:
Step 12: the equality constraint of this circulating device can be abstracted as follows:
Or it is written as follow matrix form:
Definition above formula left side square matrix is Aeq, column vector P；
Above formula can be write a Chinese character in simplified form are as follows:
AeqP=Po
Inequality constraints is as follows:
For following formats can be standardized into convenient for subsequent statement:
It is lost, is expressed as follows to find the minimum met under equality constraint:
Minimize:Ploss
Subject to:AeqP=Po
Step 13: in order to find globally optimal solution, being solved with genetic algorithm in above-mentioned equality constraint and inequality constraints
Under the conditions of find make Ploss obtain minimum value vector P；
Step 14: the power assignment value of the multiple units obtained by genetic algorithm damages the power for obtaining whole circulating device
Consumption is minimum；
Genetic algorithmic steps are since step 15:
Step 15: multiple individuals are generated as initial population by random function；
Step 16: calculating the fitness function of current locationAs the standard for judging quality；
Step 17: selection operator being acted on into group, the purpose of selection is the individual of optimization to be genetic directly to the next generation or logical
It crosses the individual that pairing intersection generates newly and is genetic to the next generation again, selection operation is built upon the Fitness analysis base of individual in population
On plinth；
Step 18: crossover operator being acted on into group, what is played the role of a nucleus in genetic algorithm is exactly crossover operator；
Step 19: mutation operator being acted on into group, is the genic value work on certain locus to the individual string in group
It changes；
Step 20: if having reached termination condition judgement, using in evolutionary process it is obtained have maximum adaptation degree individual as
Optimal solution output, terminates and calculates；
Step 21: each value that algorithm is obtained distributes to each circulation load unit output power instruction value, realizes optimal fortune
Row；
Step 22: surmounting the maximum capacity part of circulation load unit, setting resistance value is U2/(P-PCirculation)；
Step 23: the control of detection control centre obtains the related idle situation of distribution and harmonic wave shape using moment idle theoretical detection
State；
Step 24: the idle and harmonic wave task that detection control centre compensates demand distributes to each circulation load unit, to add
Method form adds to the output order part of each circulation load unit；
Step 25: after distribution network electric energy quality state is restricted, carrying out non-on-board charger on-site test；
Step 26: if detection process carries out the test influenced to ripple test vulnerable to power device switch, shutting down circulation load
Unit；
Step 27: enabling ohmic load to the load gear of required test, tested；
Step 28: test terminates.
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