CN115063039A - Electric bus electricity changing method for carbon emission reduction - Google Patents
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Abstract
The invention discloses an electric bus electricity changing method for carbon emission reduction, which comprises the following steps: acquiring running information of the electric bus; acquiring the departure information of the electric bus according to the running information of the electric bus; acquiring an electric bus running matrix in a power conversion mode according to the departure information of the electric bus; replacing the electric bus according to the electric bus running matrix in the battery replacement mode and a preset battery replacement criterion; after the electric bus is exchanged, acquiring an exchange battery charging matrix; and charging the rechargeable battery according to the rechargeable battery charging matrix. The method can optimize the electricity exchanging and charging process of the electricity exchanging battery in the operation process of the electric bus, realize carbon emission reduction and reduce the waste of electric power resources; the invention reduces the cost of battery replacement and charging of the electric bus, improves the battery replacement efficiency and the charging efficiency of the battery replacement battery, and improves the operation efficiency of the electric bus.
Description
Technical Field
The invention relates to the technical field of carbon emission reduction, in particular to an electric bus electricity changing method for carbon emission reduction.
Background
Due to air pollution caused by automobile exhaust emission, the use of electric buses has become a popular trend, and the electric buses refer to buses which use a vehicle-mounted power supply as power and are provided with electric energy by matching with a proper vehicle-mounted storage battery or a proper cable power supply device to drive the buses to run. The electric bus has low noise and high running stability, and can save energy and reduce emission.
The batteries of the electric bus need to be replaced in the using process of the electric bus, and the battery replacement batteries need to be charged in time to ensure the daily cycle operation of the electric bus. In the prior art, when the battery is replaced and charged, the problem of carbon emission is not considered, the battery cannot be reasonably replaced and charged according to the residual electric quantity of the battery, so that a large amount of redundant carbon is generated to be discharged in the operation process of the electric bus, resource waste is caused, and the environment is polluted.
Disclosure of Invention
The invention discloses an electric bus battery replacement method for carbon emission reduction, aiming at solving the problem that the electric bus in the prior art has high carbon emission during battery replacement.
The invention discloses an electric bus electricity changing method for carbon emission reduction, which comprises the following steps:
acquiring running information of the electric bus; the electric bus running information comprises an electric bus departure time vector, an electric bus arrival time vector, a battery replacement vector and the carbon emission of a power grid node during the running of the electric bus;
acquiring the departure information of the electric bus according to the running information of the electric bus;
acquiring an electric bus running matrix in a power conversion mode according to the departure information of the electric bus;
replacing the electric bus according to the electric bus running matrix in the battery replacement mode and a preset battery replacement criterion;
after the electric bus is exchanged, acquiring an exchange battery charging matrix;
and charging the rechargeable battery according to the rechargeable battery charging matrix.
Optionally, the acquiring operation information of the electric bus includes:
acquiring an departure time vector of the electric bus according to a first preset formula;
acquiring an arrival time vector of the electric bus according to a second preset formula;
acquiring a battery replacement vector according to a third preset formula;
and obtaining the carbon emission of the power grid node when the electric bus operates according to a fourth preset formula.
Optionally, the first preset formula is:
in the formula (I), the compound is shown in the specification,
is the departure time vector of the electric bus,
is No. 1hElectric buskThe departure time of the turns;
the second preset formula is as follows:
in the formula (I), the compound is shown in the specification,
is the arrival time vector of the electric bus,
is No. 1hElectric buskRound arrival time.
Optionally, the third preset formula is:
in the formula (I), the compound is shown in the specification,
in order to change the battery vector,
changing the number of the batteries;
the fourth preset formula is as follows:
in the formula (I), the compound is shown in the specification,
in order to discharge the carbon emission of the power grid node when the electric bus runs,
is composed oftAnd (4) carbon emission of a power grid node for supplying power to the bus at any moment.
Optionally, obtaining the departure information of the electric bus according to the operation information of the electric bus comprises:
acquiring the departure information of the electric bus according to the departure time vector and the arrival time vector of the electric bus;
the electric bus departure information comprises:
in the formula (I), the compound is shown in the specification,
is No. 1h+1 electric buskThe time of departure of the vehicle in the turn,
is 2 ndh+1 electric buskThe time of departure of the train in the turn,
is 2 ndh+1 electric buskRound arrival time.
Optionally, the obtaining of the electric bus running matrix in the battery replacement mode according to the departure information of the electric bus includes:
acquiring the number of the electric buses, the serial numbers of the electric buses and the driving state of the electric buses, wherein the driving state of the electric buses comprises a driving state and an in-station waiting state;
and acquiring an electric bus running matrix in a power conversion mode according to the dispatching information of the electric buses, the quantity of the electric buses and the running state of the electric buses.
Optionally, the preset power swapping criterion is as follows:
in the formula (I), the compound is shown in the specification,
is indicated by the reference numbermThe current capacity of the battery is changed,
the current maximum electric quantity of the residual battery is taken to be the battery replacement battery,
is as followskAnd replacing the battery with the maximum current electric quantity corresponding to the battery replacement in the turn.
Optionally, after the electric bus is exchanged, an exchanged battery charging matrix is obtained, including:
acquiring a battery replacement state, wherein the battery replacement state comprises charging and non-charging;
and acquiring a charging matrix of the battery replacement according to the battery replacement state and the battery replacement number.
Optionally, charging the rechargeable battery according to the rechargeable battery charging matrix includes:
acquiring the carbon emission of a power grid node when a battery replacement battery is charged;
and charging the battery cell when the electricity price is lowest according to the charging matrix of the battery cell and the carbon emission of the power grid node when the battery cell is charged until the electric quantity of the battery cell meets a preset value.
Optionally, the method further includes:
and updating the charging matrix of the battery replacement battery in real time, and charging the battery replacement battery.
The invention discloses an electric bus electricity changing method for carbon emission reduction, which comprises the following steps: acquiring running information of the electric bus; acquiring the departure information of the electric bus according to the running information of the electric bus; acquiring an electric bus running matrix in a power conversion mode according to the departure information of the electric bus; replacing the electric bus according to the electric bus running matrix in the battery replacement mode and a preset battery replacement criterion; after the electric bus is exchanged, acquiring an exchange battery charging matrix; and charging the rechargeable battery according to the rechargeable battery charging matrix.
The method can optimize the electricity exchanging and charging process of the electricity exchanging battery in the operation process of the electric bus, realize carbon emission reduction and reduce the waste of electric power resources; the invention reduces the cost of the electric bus for changing and charging; the invention improves the battery replacing efficiency and the charging efficiency of the battery replacing battery and improves the running efficiency of the electric bus.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic flow chart of an electric bus electricity exchanging method for carbon emission reduction according to an embodiment of the present invention;
fig. 2 is an electric bus operation matrix in a power conversion mode of the electric bus power conversion method for carbon emission reduction according to the embodiment of the present invention;
fig. 3 is a battery replacement charging matrix of an electric bus battery replacement method for carbon emission reduction according to an embodiment of the present invention.
Detailed Description
The invention discloses an electric bus battery replacement method for carbon emission reduction, aiming at solving the problem that the electric bus in the prior art has high carbon emission during battery replacement.
The invention discloses an electric bus electricity changing method for carbon emission reduction, which comprises the following steps:
and S101, acquiring the running information of the electric bus. The electric bus running information comprises an electric bus departure time vector, an electric bus arrival time vector, a battery replacement vector and the carbon emission of a power grid node during the running of the electric bus.
And obtaining the departure time vector of the electric bus according to a first preset formula.
The first preset formula is as follows:
in the formula (I), the compound is shown in the specification,
is the departure time vector of the electric bus,
is No. 1hElectric buskAnd the departure time of the rounds.
And acquiring the arrival time vector of the electric bus according to a second preset formula.
The second preset formula is as follows:
in the formula (I), the compound is shown in the specification,
is the arrival time vector of the electric bus,
is No. 1hElectric buskRound arrival time.
And acquiring a battery replacement vector according to a third preset formula.
The third preset formula is as follows:
in the formula (I), the compound is shown in the specification,
in order to change the battery vector,
the number of the changed batteries is changed.
And obtaining the carbon emission of the power grid node when the electric bus operates according to a fourth preset formula.
The fourth preset formula is as follows:
in the formula (I), the compound is shown in the specification,
in order to discharge the carbon emission of the power grid node when the electric bus runs,
is composed oftAnd the carbon emission of the power grid node supplying power to the bus at all times.
And S102, obtaining the departure information of the electric bus according to the running information of the electric bus.
And acquiring the departure information of the electric bus according to the departure time vector and the arrival time vector of the electric bus.
The electric bus departure information comprises:
in the formula (I), the compound is shown in the specification,
is No. 1h+1 electric buskThe time of departure of the train in the turn,
is No. 2h+1 electric buskThe time of departure of the train in the turn,
is 2 ndh+1 electric buskRound arrival time.
S103, acquiring an electric bus running matrix in a battery replacement mode according to the departure information of the electric bus
。
Acquiring the number of the electric buses, the serial numbers of the electric buses and the driving state of the electric buses, wherein the driving state of the electric buses comprises a driving state and an in-station waiting state, and according to the departure information of the electric buses,and acquiring the running matrix of the electric buses in the battery replacement mode according to the quantity of the electric buses and the running state of the electric buses. Referring to the schematic diagram of fig. 2, the number of the electric buses isn2. 1 indicates a driving state, and 0 indicates an in-station waiting state.
And S104, exchanging the electric power for the electric bus according to the electric bus running matrix in the power exchange mode and a preset power exchange rule.
The preset power change rule is as follows:
in the formula (I), the compound is shown in the specification,
is indicated by the reference numbermThe current capacity of the battery is changed,
the current maximum electric quantity of the residual battery is taken to be the battery replacement battery,
is as followskAnd replacing the battery with the maximum current electric quantity corresponding to the battery replacement in the turn.
S105, after the electric bus is exchanged, obtaining an exchange battery charging matrix
。
In the formula (I), wherein,
is shown inkThe power changing time is changed in turns, the number is
The battery of (2) is replaced with the bus.
And acquiring a battery replacement state, wherein the battery replacement state comprises charging and non-charging.
And acquiring a charging matrix of the battery replacement according to the battery replacement state and the battery replacement number.
And S106, charging the rechargeable battery according to the rechargeable battery charging matrix.
And acquiring the carbon emission of the power grid node when the battery replacement battery is charged.
And charging the battery cell when the electricity price is lowest according to the charging matrix of the battery cell and the carbon emission of the power grid node when the battery cell is charged until the electric quantity of the battery cell meets a preset value.
The battery is at
Time-slave bus 1hIs changed from up to down to
Is changed into the bus 2 at any momenthIn the time period, the time period with the lowest electricity price is selected for charging until the electric quantity meets the preset value of the next round
。
In the formula (I), the compound is shown in the specification,
is composed of
The charging time in the time period is long,
is numbered ashThe electric quantity of the battery is changed,
is numbered ashIn battery replacementtThe charging power at the moment of time is,
is numbered ashThe charging efficiency of the battery replacement battery;
presentation pair
The carbon emission of the nodes of the power grid in the time period is reordered from small to large,
for the time corresponding to the carbon emission after the sorting, at
Before middle selection
The charging is carried out at every moment,
the matrix is charged for swapping the batteries.
And updating the charging matrix of the battery replacement battery in real time, and charging the battery replacement battery.
Updating the charging matrix of the battery replacement, and applying the low-carbon charging method to the next roundkAnd 4, performing low-carbon charging on the battery with the replaceable battery + 1, and circulating the steps until the operation of one day is finished, so that the low-carbon charging of the electric bus is realized, and the carbon emission reduction is promoted from the perspective of the electric bus.
The invention discloses an electric bus electricity exchanging method for carbon emission reduction, which comprises the following steps: acquiring running information of the electric bus; acquiring the departure information of the electric bus according to the running information of the electric bus; acquiring an electric bus running matrix in a power conversion mode according to the departure information of the electric bus; replacing the electric bus according to the electric bus running matrix in the battery replacement mode and a preset battery replacement criterion; after the electric bus is exchanged, acquiring an exchange battery charging matrix; and charging the rechargeable battery according to the rechargeable battery charging matrix.
The method can optimize the electricity exchanging and charging process of the electricity exchanging battery in the operation process of the electric bus, realize carbon emission reduction and reduce the waste of electric power resources; the invention reduces the cost of battery replacement and charging of the electric bus, improves the battery replacement efficiency and the charging efficiency of the battery replacement battery, and improves the operation efficiency of the electric bus.
The invention has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to be construed in a limiting sense. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the technical solution of the present invention and its embodiments without departing from the spirit and scope of the present invention, which fall within the scope of the present invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. An electric bus electricity exchanging method for carbon emission reduction is characterized by comprising the following steps:
acquiring running information of the electric bus; the electric bus running information comprises an electric bus departure time vector, an electric bus arrival time vector, a battery replacement vector and the carbon emission of a power grid node during the running of the electric bus;
acquiring the departure information of the electric bus according to the running information of the electric bus;
acquiring an electric bus running matrix in a power conversion mode according to the departure information of the electric bus;
exchanging the electric bus according to the electric bus running matrix in the electricity exchanging mode and a preset electricity exchanging rule;
after the electric bus is exchanged, acquiring an exchange battery charging matrix;
and charging the rechargeable battery according to the rechargeable battery charging matrix.
2. The method for exchanging electric bus power for carbon emission reduction according to claim 1, wherein the obtaining of the electric bus operation information comprises:
acquiring an departure time vector of the electric bus according to a first preset formula;
acquiring an arrival time vector of the electric bus according to a second preset formula;
acquiring a battery replacement vector according to a third preset formula;
and obtaining the carbon emission of the power grid node when the electric bus operates according to a fourth preset formula.
3. The method for exchanging electric bus electricity for carbon emission reduction according to claim 2, wherein the first preset formula is:
in the formula (I), the compound is shown in the specification,
is the departure time vector of the electric bus,
is No. 1hElectric buskThe time of departure of the rounds;
the second preset formula is as follows:
in the formula (I), the compound is shown in the specification,
is the arrival time vector of the electric bus,
is No. 1hElectric buskRound arrival time.
4. The method of claim 3, wherein the third predetermined formula is as follows:
in the formula (I), the compound is shown in the specification,
in order to change the battery vector,
is given a reference numeral ofmM is the number of the battery replacement batteries;
the fourth preset formula is as follows:
in the formula (I), the compound is shown in the specification,
for the carbon emission of the power grid node when the electric bus operates,
is composed oftAnd the carbon emission of the power grid node for supplying power to the electric bus at all times.
5. The method of claim 4, wherein obtaining the departure information of the electric bus according to the operation information of the electric bus comprises:
acquiring the departure information of the electric bus according to the departure time vector and the arrival time vector of the electric bus;
the electric bus departure information comprises:
in the formula (I), the compound is shown in the specification,
is No. 1h+1 electric buskThe time of departure of the train in the turn,
is 2 ndh+1 electric buskThe time of departure of the train in the turn,
is 2 ndh+1 electric buskRound arrival time.
6. The method for exchanging electric bus electricity for carbon emission reduction according to claim 1, wherein obtaining an electric bus running matrix in an exchange mode according to the departure information of the electric bus comprises:
acquiring the number of the electric buses, the serial numbers of the electric buses and the driving states of the electric buses, wherein the driving states of the electric buses comprise a driving state and an in-station waiting state;
and acquiring an electric bus running matrix in a power conversion mode according to the dispatching information of the electric buses, the quantity of the electric buses and the running state of the electric buses.
7. The method for replacing electric buses for carbon emission reduction as claimed in claim 4, wherein the preset replacement criteria are:
in the formula (I), the compound is shown in the specification,
is indicated by the reference numbermThe current capacity of the battery is changed,
the current maximum electric quantity of the residual battery is taken to be the battery replacement battery,
is as followskAnd replacing the battery with the maximum current electric quantity corresponding to the battery replacement in the turn.
8. The method of claim 1, wherein obtaining a charging matrix of a battery replacement battery after replacing the electric bus comprises:
acquiring a battery replacement state, wherein the battery replacement state comprises charging and non-charging;
and acquiring a charging matrix of the battery replacement according to the battery replacement state and the battery replacement number.
9. The method of claim 1, wherein charging a battery pack according to the battery pack charging matrix comprises:
acquiring the carbon emission of a power grid node when a battery replacement battery is charged;
and charging the battery cell when the electricity price is lowest according to the charging matrix of the battery cell and the carbon emission of the power grid node when the battery cell is charged until the electric quantity of the battery cell meets a preset value.
10. The method of claim 9, further comprising:
and updating the charging matrix of the battery replacement battery in real time, and charging the battery replacement battery.
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| CN102496980A (en) * | 2011-11-29 | 2012-06-13 | 清华大学 | Battery replacing and charging optimization control method of electric automobile charging and replacing power station |
| CN108407633A (en) * | 2018-01-30 | 2018-08-17 | 西南交通大学 | A kind of electric bus electric charging station optimizing operation method |
| CN113435790A (en) * | 2021-07-29 | 2021-09-24 | 广东工业大学 | Design method of electric bus charging and replacing station |
| WO2022068100A1 (en) * | 2020-09-30 | 2022-04-07 | 浙江吉利控股集团有限公司 | Energy replenishing method and management system for battery replacement-type hybrid vehicle |
| WO2022143872A1 (en) * | 2020-12-31 | 2022-07-07 | 奥动新能源汽车科技有限公司 | Method and system for identifying queuing vehicle in battery swapping station, and device and medium |
| WO2022143880A1 (en) * | 2020-12-31 | 2022-07-07 | 奥动新能源汽车科技有限公司 | Recommendation method and system for battery swapping station, electronic device and storage medium |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496980A (en) * | 2011-11-29 | 2012-06-13 | 清华大学 | Battery replacing and charging optimization control method of electric automobile charging and replacing power station |
| CN108407633A (en) * | 2018-01-30 | 2018-08-17 | 西南交通大学 | A kind of electric bus electric charging station optimizing operation method |
| WO2022068100A1 (en) * | 2020-09-30 | 2022-04-07 | 浙江吉利控股集团有限公司 | Energy replenishing method and management system for battery replacement-type hybrid vehicle |
| WO2022143872A1 (en) * | 2020-12-31 | 2022-07-07 | 奥动新能源汽车科技有限公司 | Method and system for identifying queuing vehicle in battery swapping station, and device and medium |
| WO2022143880A1 (en) * | 2020-12-31 | 2022-07-07 | 奥动新能源汽车科技有限公司 | Recommendation method and system for battery swapping station, electronic device and storage medium |
| CN113435790A (en) * | 2021-07-29 | 2021-09-24 | 广东工业大学 | Design method of electric bus charging and replacing station |
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