CN109649192A - The selection method and equipment of electric vehicle pre-charging device - Google Patents
The selection method and equipment of electric vehicle pre-charging device Download PDFInfo
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- CN109649192A CN109649192A CN201811601615.4A CN201811601615A CN109649192A CN 109649192 A CN109649192 A CN 109649192A CN 201811601615 A CN201811601615 A CN 201811601615A CN 109649192 A CN109649192 A CN 109649192A
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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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- 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
- Y02T90/14—Plug-in electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides the selection method and equipment of a kind of electric vehicle pre-charging device, pre-charging device includes preliminary filling resistance, and selection method includes the selection steps of preliminary filling resistance；The selection steps of preliminary filling resistance are the following steps are included: provide type selecting parameter input interface and type selecting result output interface；Type selecting parameter input interface obtains precharge input parameter, and precharge input parameter includes vehicle capacitance, target pre-charging time, vehicle total voltage and precharge complement mark value, and precharge complement mark value is the ratio of target pre-charge pressure and vehicle total voltage；The target resistance values of preliminary filling resistance are calculated according to precharge input parameter；Type selecting result output interface exports target resistance values, to select preliminary filling resistance.The present invention can be obtained the target component of electric vehicle pre-charging device, so that user quickly and accurately completes type selecting to electric vehicle pre-charging device, to promote preliminary filling electrical efficiency and user experience by simply keying in parameter.
Description
Technical field
The present invention relates to recharge technique field, in particular to the selection method of a kind of electric vehicle pre-charging device and set
It is standby.
Background technique
It is also increasing for the demand of electric vehicle pre-charging as electric car is gradually popularized.In pre-charge process
In, selecting suitable electric vehicle pre-charging device is particularly important link.
But user can be led to the method and apparatus of electric vehicle pre-charging device type selecting in the prior art by lacking
Precharge relevant parameter can not be quickly and accurately matched, to affect user experience, reduces preliminary filling electrical efficiency.
Summary of the invention
A brief summary of one or more aspects is given below to provide to the basic comprehension in terms of these.This general introduction is not
The extensive overview of all aspects contemplated, and be both not intended to identify critical or decisive element in all aspects also non-
Attempt to define the range in terms of any or all.Its unique purpose is to provide the one of one or more aspects in simplified form
A little concepts are with the sequence for more detailed description given later.
The technical problem to be solved by the present invention is to lack can fill to electric vehicle pre-charging in the prior art to overcome
The method and apparatus for setting type selecting causes user that can not quickly and accurately match the defect of precharge relevant parameter, provides one
The selection method and equipment of kind electric vehicle pre-charging device.
The present invention is to solve the technical problem by following technical proposals:
A kind of selection method of electric vehicle pre-charging device, pre-charging device include preliminary filling resistance, the selection method
Selection steps including the preliminary filling resistance；
The selection steps of the preliminary filling resistance the following steps are included:
Type selecting parameter input interface and type selecting result output interface are provided；
The type selecting parameter input interface obtains precharge input parameter, and the precharge input parameter includes vehicle capacitor
Value, target pre-charging time, vehicle total voltage and precharge complement mark value, the precharge complement mark value are target precharge
The ratio of pressure and the vehicle total voltage；
The target resistance values of preliminary filling resistance are calculated according to the precharge input parameter；
The type selecting result output interface exports the target resistance values, for selecting preliminary filling resistance.
Optionally, in described the step of inputting target resistance values of the parameter to calculate preliminary filling resistance according to the precharge
In, the target resistance values are calculated according to calculation formula and precharge input parameter；
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucIt is described
Target pre-charge pressure, UsFor the vehicle total voltage.
Optionally, in the step of type selecting parameter input interface obtains precharge input parameter, the precharge is defeated
Entering parameter further includes target pre-charging time range；
In described the step of inputting target resistance values of the parameter to calculate preliminary filling resistance according to the precharge, according to
Mark is completed in the calculation formula, the vehicle capacitance, the target pre-charging time, the vehicle total voltage and the precharge
Will value calculates the target resistance values, or, when according to the calculation formula, the vehicle capacitance, the target preliminary filling
Between range, the vehicle total voltage and the precharge complement mark value calculate target resistance values range.
Optionally, the pre-charging device further includes contactor, and the selection method further includes the type selecting of the contactor
Step；
The selection steps of the contactor the following steps are included:
The type selecting parameter input interface obtains the vehicle total voltage, and also obtains the target resistance values or described
Target resistance values range；
The minimum rated voltage that the contactor is calculated according to the vehicle total voltage, according to the vehicle total voltage
And the target resistance values calculate the rated current of the contactor, or, according to the vehicle total voltage and the target
Resistance value range calculates the rated current range of the contactor；
The type selecting result output interface exports the minimum rated voltage and the rated current, or, the type selecting knot
Fruit output interface exports the minimum rated voltage and the rated current range, for selecting contactor.
Optionally, the minimum rated voltage according to the vehicle total voltage to calculate the contactor the step of
In, the minimum rated voltage is equal to the vehicle total voltage and multiplies in n, and n is more than or equal to 1.
Optionally, the type selecting parameter input interface is provided by a programming development environment and type selecting result output connects
Mouthful；
It includes LabVIEW (a kind of programming development environment) that described program, which develops environment,.
A kind of type selecting equipment of electric vehicle pre-charging device, pre-charging device include preliminary filling resistance, the type selecting equipment
Including type selecting parameter input interface, calculation processing module and type selecting result output interface；
The type selecting parameter input interface is configured to obtain precharge input parameter, and the precharge input parameter includes whole
Vehicle capacitance, target pre-charging time, vehicle total voltage and precharge complement mark value, the precharge complement mark value are target
The ratio of pre-charge pressure and the vehicle total voltage；
The calculation processing module is configured to calculate the target electricity of preliminary filling resistance according to the precharge input parameter
Resistance value；
The type selecting result output interface is configured as output to the target resistance values, for selecting preliminary filling resistance.
Optionally, the calculation processing module is configured to be calculated according to calculation formula and precharge input parameter
The target resistance values；
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucIt is described
Target pre-charge pressure, UsFor the vehicle total voltage.
Optionally, the precharge input parameter further includes target pre-charging time range；
When the calculation processing module is configured that according to the calculation formula, the vehicle capacitance, the target preliminary filling
Between, the vehicle total voltage and the precharge complement mark value calculate the target resistance values, or, according to the calculating
Formula, the vehicle capacitance, the target pre-charging time range, the vehicle total voltage and the precharge complement mark value
To calculate target resistance values range.
Optionally, the pre-charging device further includes contactor；
The type selecting parameter input interface is additionally configured to obtain the target resistance values or the target resistance values range；
The calculation processing module is additionally configured to calculate the minimum of the contactor according to the vehicle total voltage
Constant voltage；
The calculation processing module is additionally configured to according to the vehicle total voltage and the target resistance values to calculate
The rated current of contactor is stated, or, the calculation processing module is additionally configured to according to the vehicle total voltage and target electricity
Standard resistance range calculates the rated current range of the contactor；
The type selecting result output interface is additionally configured to export the minimum rated voltage and the rated current, or, institute
It states type selecting result output interface to be additionally configured to export the minimum rated voltage and the rated current range, for selecting to connect
Tentaculum.
Optionally, the minimum rated voltage is equal to the vehicle total voltage and multiplies in n, and n is more than or equal to 1.
Optionally, the type selecting parameter input interface is provided by a programming development environment and type selecting result output connects
Mouthful；
It includes LabVIEW that described program, which develops environment,.
On the basis of common knowledge of the art, each optimum condition, can any combination to get each preferable reality of the present invention
Apply example.
The positive effect of the present invention is that:
The selection method and equipment of electric vehicle pre-charging device provided by the invention can by simply keying in parameter,
It can be obtained the target component of electric vehicle pre-charging device, so that user quickly and accurately fills electric vehicle pre-charging
It sets and completes type selecting, to improve preliminary filling electrical efficiency, and then the user experience is improved degree.
Detailed description of the invention
After the detailed description for reading embodiment of the disclosure in conjunction with the following drawings, it better understood when of the invention
The feature and advantage.In the accompanying drawings, each component is not necessarily drawn to scale, and has similar correlation properties or feature
Component may have same or similar appended drawing reference.
Fig. 1 is the type selecting step of the preliminary filling resistance of the selection method of the electric vehicle pre-charging device of present pre-ferred embodiments
Rapid flow chart.
Fig. 2 is the selection steps of the contactor of the selection method of the electric vehicle pre-charging device of present pre-ferred embodiments
Flow chart.
Fig. 3 is the structural schematic diagram of the type selecting equipment of the electric vehicle pre-charging device of present pre-ferred embodiments.
Description of symbols:
The type selecting equipment 1 of electric vehicle pre-charging device
Type selecting parameter input interface 2
Calculation processing module 3
Type selecting result output interface 4
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.Note that below in conjunction with attached drawing and specifically real
The aspects for applying example description is merely exemplary, and is understood not to carry out any restrictions to protection scope of the present invention.
It provides and is described below so that those skilled in the art can implement and using the present invention and be incorporated into specific
In application background.Various modifications and various uses in different application will be readily apparent for those skilled in the art
, and general principle defined herein is applicable to the embodiment of wider range.The present invention is not limited to herein as a result,
The embodiment provided, but the broadest range consistent with principle disclosed herein and novel features should be awarded.
In the following detailed description, many specific details are elaborated to provide to more thorough understanding of the invention.However, right
In it should be apparent to those skilled in the art that practice of the invention can need not be confined to these details.In other words, known
Structure and device be shown in block diagram form without display the details of, to avoid the fuzzy present invention.
Note that use in the case where, it is mark left, right, front and rear, top, bottom, positive and negative, clockwise and anticlockwise only
It is used for convenience, and does not imply that any specific fixed-direction.In fact, they are used for reflection pair
Relative position and/or direction between the various pieces of elephant.
The present embodiment provides a kind of selection method of electric vehicle pre-charging device, pre-charging device include preliminary filling resistance and
Contactor, the selection method include the selection steps of the preliminary filling resistance and the selection steps of the contactor.
In the present embodiment, the electric car that need to be pre-charged is pure electric automobile, it is not limited to pure electric automobile,
It can be other kinds of electric car, can be selected accordingly according to the actual situation.
Specifically, as shown in Figure 1, the selection steps of the preliminary filling resistance the following steps are included:
Step 101 provides type selecting parameter input interface and type selecting result output interface.
In this step, the type selecting parameter input interface and the choosing are provided by a programming development environment of host computer
Type result output interface.
In the present embodiment, described program exploitation environment is LabVIEW, but does not limit described program specifically and develop ring
Border can be selected accordingly according to the actual situation.
In the present embodiment, by the operation interface of software programming LabVIEW, so that research staff or maintenance personnel etc.
User's operation is more intuitive, humanized.
After executing step 101, step 102 is executed.
Step 102, type selecting parameter input interface obtain precharge input parameter.
In this step, user inputs parameter by the operation interface input precharge of LabVIEW, and the type selecting parameter is defeated
Incoming interface obtains the precharge and inputs parameter.
In the present embodiment, it is described precharge input parameter include vehicle capacitance (refer to battery pack high pressure it is positive and negative between X
The capacitance of capacitor), target pre-charging time, vehicle total voltage (referring to the attainable total voltage of vehicle electrical platform institute) and precharge
Complement mark value.
In the present embodiment, the precharge complement mark value is the ratio of target pre-charge pressure and the vehicle total voltage
Value, for example, the target pre-charge pressure reaches the 95% of the vehicle total voltage.
In this step, it is preferable that the precharge input parameter further includes target pre-charging time range, i.e., the described type selecting
Parameter input interface obtains target pre-charging time minimum value and target pre-charging time maximum value.
After executing step 102, step 103 is executed.
Step 103, the target resistance values that preliminary filling resistance is calculated according to precharge input parameter.
In this step, the target electricity is calculated according to the calculation formula of RC circuit and precharge input parameter
Resistance value.
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucIt is described
Target pre-charge pressure, UsFor the vehicle total voltage.
In this step, it is preferable that input target pre-charging time minimum value and target preliminary filling in above-mentioned calculation formula respectively
Time maximum value, and the minimum value and maximum value of the target resistance values are calculated separately out, to determine target resistance values model
It encloses.
After executing step 103, step 104 is executed.
Step 104, type selecting result output interface export target resistance values.
In this step, the type selecting result output interface exports the target resistance values, it is preferable that the type selecting result
Output interface exports the target resistance values range, shows the target resistance values or the mesh in the operation interface of LabVIEW
Mark resistance value range.
After executing step 104, step 105 is executed.
Step 105, selection preliminary filling resistance.
In this step, the users such as research staff or maintenance personnel can be according to the target shown in the operation interface
Resistance value or the target resistance values range easily select the preliminary filling resistance of relevant parameter.
Specifically, as shown in Fig. 2, when executing the selection steps of the contactor, the type selecting of the preliminary filling resistance is needed to walk
The target resistance values or target resistance values range exported in rapid, therefore after executable above-mentioned steps 104, it executes or selection executes institute
State the selection steps of contactor.
The selection steps of the contactor the following steps are included:
Step 201, type selecting parameter input interface obtain vehicle total voltage and target resistance values.
In this step, the type selecting parameter input interface obtains the vehicle total voltage and the target resistance values, excellent
Selection of land, the type selecting parameter input interface also obtain the target resistance values range.
After executing step 201, step 202 is executed.
Step 202, the minimum rated voltage that contactor is calculated according to vehicle total voltage, according to vehicle total voltage and target
Resistance value calculates the rated current of contactor.
In this step, the minimum rated voltage should be greater than or equal to the vehicle total voltage, therefore, described minimum
Voltage rating is equal to the vehicle total voltage and multiplies in n, and n is more than or equal to 1.
In this embodiment, it is preferred that n is 1.1~1.3, but does not limit the numerical value of n specifically, it can be according to the actual situation
It is selected accordingly.
In this step, the specified of the contactor is calculated according to the vehicle total voltage and the target resistance values
Electric current (rated current of the high tension loop where contactor), it is preferable that according to the vehicle total voltage and the target resistance
Value range calculates the rated current range of the contactor.
After executing step 202, step 203 is executed.
Step 203, type selecting result output interface output minimum rated voltage and rated current.
In this step, the type selecting result output interface exports the minimum rated voltage and the rated current,
The minimum rated voltage and the rated current are shown in the operation interface of LabVIEW.
Preferably, the type selecting result output interface exports the minimum rated voltage and the rated current range, institute
It states and shows the minimum rated voltage and the rated current range in operation interface.
After executing step 203, step 204 is executed.
Step 204, selection contactor.
In this step, the users such as research staff or maintenance personnel can be described minimum according to what is shown in the operation interface
Voltage rating and the rated current or the rated current range easily select the contactor of relevant parameter.
The selection method of electric vehicle pre-charging device provided in this embodiment can be by simply keying in parameter
The target component for obtaining electric vehicle pre-charging device, so that user is quickly and accurately complete to electric vehicle pre-charging device
At type selecting, to improve preliminary filling electrical efficiency, and then the user experience is improved degree.
As shown in figure 3, the present embodiment also provides a kind of type selecting equipment 1 of electric vehicle pre-charging device, pre-charging device
Including preliminary filling resistance and contactor, the type selecting equipment 1 of electric vehicle pre-charging device is using such as above-mentioned electric vehicle pre-charging
The selection method of device.
Specifically, the type selecting equipment 1 of electric vehicle pre-charging device includes type selecting parameter input interface 2, calculation processing mould
Block 3 and type selecting result output interface 4, calculation processing module 3 are logical with parameter input interface 2 and type selecting result output interface 4 respectively
Letter connection.
Type selecting parameter input interface 2 and type selecting result output interface 4 are provided by the programming development environment of host computer.
In the present embodiment, described program exploitation environment is LabVIEW, but does not limit described program specifically and develop ring
Border can be selected accordingly according to the actual situation.
In the present embodiment, by the operation interface of software programming LabVIEW, so that research staff or maintenance personnel etc.
User's operation is more intuitive, humanized.
Type selecting parameter input interface 2 is configured to obtain precharge input parameter.
In the present embodiment, the precharge input parameter includes vehicle capacitance, target pre-charging time, vehicle total voltage
And precharge complement mark value.
Preferably, the precharge input parameter further includes target pre-charging time range, i.e., the described type selecting parameter input connects
Mouth obtains target pre-charging time minimum value and target pre-charging time maximum value.
Calculation processing module 3 is configured to according to the calculation formula of RC circuit and precharge input parameter to calculate
State the target resistance values of preliminary filling resistance.
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucIt is described
Target pre-charge pressure, UsFor the vehicle total voltage.
Preferably, target pre-charging time minimum value and target pre-charging time maximum value are inputted in above-mentioned calculation formula respectively,
And the minimum value and maximum value of the target resistance values are calculated separately out, to determine target resistance values range.
Type selecting result output interface 4 is configured as output to the target resistance values, it is preferable that type selecting result output interface 4 is also
It is configured as output to the target resistance values range, the target resistance values or the target are shown in the operation interface of LabVIEW
Resistance value range.
The users such as research staff or maintenance personnel can be according to the target resistance values or institute shown in the operation interface
Target resistance values range is stated easily to select the preliminary filling resistance of relevant parameter.
Type selecting parameter input interface 2 is additionally configured to obtain the vehicle total voltage and the target resistance values, it is preferable that institute
Type selecting parameter input interface is stated to be additionally configured to obtain the target resistance values range.
Calculation processing module 3 is additionally configured to calculate the minimum rated electricity of the contactor according to the vehicle total voltage
Pressure.
In the present embodiment, the minimum rated voltage should be greater than or equal to the vehicle total voltage, therefore, it is described most
Low voltage rating is equal to the vehicle total voltage and multiplies in n, and n is more than or equal to 1.
Preferably, n is 1.1~1.3, but does not limit the numerical value of n specifically, can be selected accordingly according to the actual situation
It selects.
Calculation processing module 3 is additionally configured to calculate contactor according to the vehicle total voltage and the target resistance values
Rated current.
Preferably, calculation processing module 3 be additionally configured to according to the vehicle total voltage and the target resistance values range come
Calculate the rated current range of the contactor.
Type selecting result output interface 4 is additionally configured to export the minimum rated voltage and the rated current, LabVIEW's
The minimum rated voltage and the rated current are shown in operation interface.
Preferably, type selecting result output interface 4 is additionally configured to export the minimum rated voltage and the rated current model
It encloses, the minimum rated voltage and the rated current range is shown in the operation interface.
In the present embodiment, the users such as research staff or maintenance personnel can be according to showing most in the operation interface
Low voltage rating and the rated current or the rated current range easily select the contactor of relevant parameter.
The type selecting equipment of electric vehicle pre-charging device provided in this embodiment can be by simply keying in parameter
The target component for obtaining electric vehicle pre-charging device, so that user is quickly and accurately complete to electric vehicle pre-charging device
At type selecting, to improve preliminary filling electrical efficiency, and then the user experience is improved degree.
Although for simplify explain the method is illustrated to and is described as a series of actions, it should be understood that and understand,
The order that these methods are not acted is limited, because according to one or more embodiments, some movements can occur in different order
And/or with from it is depicted and described herein or herein it is not shown and describe but it will be appreciated by those skilled in the art that other
Movement concomitantly occurs.
Offer is to make any person skilled in the art all and can make or use this public affairs to the previous description of the disclosure
It opens.The various modifications of the disclosure all will be apparent for a person skilled in the art, and as defined herein general
Suitable principle can be applied to other variants without departing from the spirit or scope of the disclosure.The disclosure is not intended to be limited as a result,
Due to example described herein and design, but should be awarded and principle disclosed herein and novel features phase one
The widest scope of cause.
Claims (12)
1. a kind of selection method of electric vehicle pre-charging device, which is characterized in that pre-charging device includes preliminary filling resistance, described
Selection method includes the selection steps of the preliminary filling resistance；
The selection steps of the preliminary filling resistance the following steps are included:
Type selecting parameter input interface and type selecting result output interface are provided；
The type selecting parameter input interface obtains precharge input parameter, the precharge input parameter include vehicle capacitance,
Target pre-charging time, vehicle total voltage and precharge complement mark value, the precharge complement mark value are target pre-charge pressure
With the ratio of the vehicle total voltage；
The target resistance values of preliminary filling resistance are calculated according to the precharge input parameter；
The type selecting result output interface exports the target resistance values, for selecting preliminary filling resistance.
2. selection method as described in claim 1, which is characterized in that calculated described according to precharge input parameter
Out in the step of target resistance values of preliminary filling resistance, the mesh is calculated according to calculation formula and precharge input parameter
Mark resistance value；
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucFor the target
Pre-charge pressure, UsFor the vehicle total voltage.
3. selection method as claimed in claim 2, which is characterized in that it is defeated to obtain precharge in the type selecting parameter input interface
In the step of entering parameter, the precharge input parameter further includes target pre-charging time range；
In described the step of inputting target resistance values of the parameter to calculate preliminary filling resistance according to the precharge, according to described
Calculation formula, the vehicle capacitance, the target pre-charging time, the vehicle total voltage and the precharge complement mark value
The target resistance values are calculated, or, according to the calculation formula, the vehicle capacitance, the target pre-charging time model
It encloses, the vehicle total voltage and the precharge complement mark value calculate target resistance values range.
4. selection method as claimed in claim 3, which is characterized in that the pre-charging device further includes contactor, the choosing
Type method further includes the selection steps of the contactor；
The selection steps of the contactor the following steps are included:
The type selecting parameter input interface obtains the vehicle total voltage, and also obtains the target resistance values or the target
Resistance value range；
The minimum rated voltage that the contactor is calculated according to the vehicle total voltage, according to the vehicle total voltage and institute
Target resistance values are stated to calculate the rated current of the contactor, or, according to the vehicle total voltage and the target resistance
Value range calculates the rated current range of the contactor；
The type selecting result output interface exports the minimum rated voltage and the rated current, or, the type selecting result is defeated
Outgoing interface exports the minimum rated voltage and the rated current range, for selecting contactor.
5. selection method as claimed in claim 4, which is characterized in that it is described according to the vehicle total voltage to calculate
In the step of stating the minimum rated voltage of contactor, the minimum rated voltage multiplies equal to the vehicle total voltage and is greater than in n, n
Or it is equal to 1.
6. the selection method as described in any one of Claims 1 to 5, which is characterized in that mentioned by a programming development environment
For the type selecting parameter input interface and the type selecting result output interface；
It includes LabVIEW that described program, which develops environment,.
7. a kind of type selecting equipment of electric vehicle pre-charging device, which is characterized in that pre-charging device includes preliminary filling resistance, described
Type selecting equipment includes type selecting parameter input interface, calculation processing module and type selecting result output interface；
The type selecting parameter input interface is configured to obtain precharge input parameter, and the precharge input parameter includes vehicle electricity
Capacitance, target pre-charging time, vehicle total voltage and precharge complement mark value, the precharge complement mark value are target preliminary filling
The ratio of voltage and the vehicle total voltage；
The calculation processing module is configured to calculate the target resistance values of preliminary filling resistance according to the precharge input parameter；
The type selecting result output interface is configured as output to the target resistance values, for selecting preliminary filling resistance.
8. type selecting equipment as claimed in claim 7, which is characterized in that the calculation processing module is configured to according to calculation formula
And the precharge inputs parameter to calculate the target resistance values；
The calculation formula includes following formula:
Wherein, R is the target resistance values, and C is the vehicle capacitance, and t is the target pre-charging time, ucFor the target
Pre-charge pressure, UsFor the vehicle total voltage.
9. type selecting equipment as claimed in claim 8, which is characterized in that when the precharge input parameter further includes target preliminary filling
Between range；
The calculation processing module be configured that according to the calculation formula, the vehicle capacitance, the target pre-charging time,
The vehicle total voltage and the precharge complement mark value calculate the target resistance values, or, public according to the calculating
Formula, the vehicle capacitance, the target pre-charging time range, the vehicle total voltage and the precharge complement mark value are come
Calculate target resistance values range.
10. type selecting equipment as claimed in claim 9, which is characterized in that the pre-charging device further includes contactor；
The type selecting parameter input interface is additionally configured to obtain the target resistance values or the target resistance values range；
The calculation processing module is additionally configured to calculate the minimum rated electricity of the contactor according to the vehicle total voltage
Pressure；
The calculation processing module is additionally configured to calculate described connect according to the vehicle total voltage and the target resistance values
The rated current of tentaculum, or, the calculation processing module is additionally configured to according to the vehicle total voltage and the target resistance values
Range calculates the rated current range of the contactor；
The type selecting result output interface is additionally configured to export the minimum rated voltage and the rated current, or, the choosing
Type result output interface is additionally configured to export the minimum rated voltage and the rated current range, for selecting contact
Device.
11. type selecting equipment as claimed in claim 10, which is characterized in that it is always electric that the minimum rated voltage is equal to the vehicle
Pressure, which multiplies, is greater than or equal to 1 in n, n.
12. the type selecting equipment as described in any one of claim 7~11, which is characterized in that pass through a programming development environment
The type selecting parameter input interface and the type selecting result output interface are provided；
It includes LabVIEW that described program, which develops environment,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601615.4A CN109649192B (en) | 2018-12-26 | 2018-12-26 | Model selection method and device for pre-charging device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601615.4A CN109649192B (en) | 2018-12-26 | 2018-12-26 | Model selection method and device for pre-charging device of electric vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN109649192A true CN109649192A (en) | 2019-04-19 |
| CN109649192B CN109649192B (en) | 2020-08-14 |
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| CN104483614A (en) * | 2014-12-22 | 2015-04-01 | 重庆长安汽车股份有限公司 | Durability test method and system of precharge resistor |
| US20150251542A1 (en) * | 2014-03-06 | 2015-09-10 | Ford Global Technologies, Llc | Capacitor precharging and capacitance/resistance measurement in electric vehicle drive system |
| CN104915484A (en) * | 2015-05-28 | 2015-09-16 | 科力远混合动力技术有限公司 | Method for determining pre-charging resistance in high-voltage system for ni-mh hybrid electric vehicle |
| CN106364319A (en) * | 2016-09-19 | 2017-02-01 | 陕西法士特齿轮有限责任公司 | Pre-charging loop of battery electric vehicle and method |
| CN108631387A (en) * | 2017-03-24 | 2018-10-09 | 福特全球技术公司 | Dual bus battery pre-charging circuit |
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| US20150251542A1 (en) * | 2014-03-06 | 2015-09-10 | Ford Global Technologies, Llc | Capacitor precharging and capacitance/resistance measurement in electric vehicle drive system |
| CN104483614A (en) * | 2014-12-22 | 2015-04-01 | 重庆长安汽车股份有限公司 | Durability test method and system of precharge resistor |
| CN104915484A (en) * | 2015-05-28 | 2015-09-16 | 科力远混合动力技术有限公司 | Method for determining pre-charging resistance in high-voltage system for ni-mh hybrid electric vehicle |
| CN106364319A (en) * | 2016-09-19 | 2017-02-01 | 陕西法士特齿轮有限责任公司 | Pre-charging loop of battery electric vehicle and method |
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