CN109447766B - Charging pile system for balanced charging and method thereof - Google Patents
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- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention relates to the field of electric vehicle charging site construction, in particular to a charging pile system for balanced charging and a charging pile method thereof, wherein the system comprises a data center, a mobile client and a charging pile, the charging pile is a direct current charging pile, and a communication module and a current control module are arranged in the charging pile; the communication module is connected with the data center through the internet, obtains a charging allowable value and a maximum power limit from the data center, and sends the maximum current limit to the current control module; the data center communicates with the mobile client, completes the agreement signing of the secret payment, negotiates the charging mode and the charging price when in use each time, provides more choices for the client, and reasonably distributes limited resources. After the negotiation is finished, charging and charging are carried out according to the charging mode of the negotiation, and more reasonable resource distribution is finished through price discrimination.
Description
Technical Field
The invention relates to the field of electric vehicle charging site construction, in particular to a charging pile system for balanced charging and a charging method thereof.
Background
The development of new energy vehicles in China is rapidly developed under the support of the nation, a large number of electric vehicles driven by lithium batteries enter urban roads, and the quantity of charging piles lags behind the development.
The quantity of the charging piles is limited, and besides the price of the charging piles, the underdeveloped capacity of a power grid is also an important factor for limiting the quantity of the charging piles. The problem of the current charging place is that the charging pile is large in quantity, and the power of the charging pile is low; fill electric pile power big, then can not set up a plurality of electric piles of filling.
The user's needs are diversified, and more charges can be paid for faster charging, and longer waiting times can be paid for lower charges. However, the fixed charging cost does not allow the market to be fully mobile.
Disclosure of Invention
In order to solve the problems in the background art and promote users to reduce charging power so that the same charging place can accommodate more vehicles for charging, a charging pile system for equalizing charge and a method thereof are provided.
The invention realizes the purpose through the following technical scheme:
a charging pile system for balanced charging comprises a data center, a mobile client and a charging pile, wherein the charging pile is a direct current charging pile, and a communication module and a current control module are arranged in the charging pile;
the communication module is connected with the data center through the internet, obtains a charging allowable value and a maximum power limit from the data center, and sends the maximum current limit to the current control module;
the data center communicates with the mobile client, completes the agreement signing of the secret payment, negotiates the charging mode and the charging price when in use each time, provides more choices for the client, and reasonably distributes limited resources.
The charge method for charge equalization according to the above system, comprising the steps of:
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center;
step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client;
step 3, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit;
and 4, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
The method is further improved in that before the step 2, a user can send the model of the vehicle of the user through the mobile client, and the data center inquires and returns the maximum charging power of the vehicle to the mobile client for the reference of the user.
The system is further improved in that the charging piles are arranged in the same charging place, the charging pile system further comprises a total power measuring module, and the total power measuring module measures the total power and the total current of all the charging piles in the charging place and sends the upper limits of the power and the current to a data center.
The charge method for charge equalization according to the above system, comprising the steps of:
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center;
step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client;
step 3, the mobile client inquires whether the user accepts the temporary power limit, and gives fixed preference to the cost after the temporary power limit occurs;
and 4, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit.
When the total power or the total current obtained by the total power module exceeds the upper limit provided by the total power module, the current of the user who accepts the temporary power limit in the step 3 is reduced until the total power or the total current does not exceed the upper limit, the current reduction proportion is the same, and the promised benefit in the step 3 is given in the charging process.
And 5, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
All the above methods are improved in that the price table shows that the higher the charging current is, the higher the price of electricity.
The invention has the advantages that the price difference is utilized to lead the user to select the most appropriate charging mode, the profit distribution of the operator and the user is balanced, and the hardware countermeasure is made for the overload of the place caused by the overlarge power.
Drawings
Fig. 1 is a general structure diagram of a charging pile system according to the present invention.
Fig. 2 is a connection relation diagram of the charging pile, the total power measurement module, the data center and the electric vehicle in the embodiment of the invention.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Example 1
A charging pile system for balanced charging comprises a data center, a mobile client and a charging pile, wherein the charging pile is a direct current charging pile, and a communication module and a current control module are arranged in the charging pile;
the communication module is connected with the data center through the internet, obtains a charging allowable value and a maximum power limit from the data center, and sends the maximum current limit to the current control module;
the data center communicates with the mobile client, completes the agreement signing of the secret payment, and negotiates the charging mode and the charging price when in use each time.
The charging steps are as follows:
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center; the user can send the model of the vehicle through the mobile client, and the data center inquires and returns the maximum charging power of the vehicle to the mobile client.
Step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client; in the price table, the higher the charging current is, the higher the electricity rate unit price is.
Step 3, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit;
and 4, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
Embodiment 2, a charging pile system for balanced charging, which comprises a data center, a mobile client and a charging pile, wherein the charging pile is a direct current charging pile, and a communication module and a current control module are arranged in the charging pile;
the communication module is connected with the data center through the internet, obtains a charging allowable value and a maximum power limit from the data center, and sends the maximum current limit to the current control module;
the data center communicates with the mobile client, completes the agreement signing of the secret payment, and negotiates the charging mode and the charging price when in use each time.
The charging pile system further comprises a total power measuring module, wherein the total power measuring module measures the total power and the total current of all the charging piles in the charging place and sends the upper limit of the power and the current of the place to a data center.
The charging system using method comprises the following steps:
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center;
step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client; in the price table, the higher the charging current is, the higher the electricity rate unit price is.
Step 3, the mobile client inquires whether the user accepts the temporary power limit, and gives fixed preference to the cost after the temporary power limit occurs;
step 4, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit;
when the total power or the total current obtained by the total power module exceeds the upper limit provided by the total power module, the current of the user who accepts the temporary power limit in the step 3 is reduced until the total power or the total current does not exceed the upper limit, the current reduction proportion is the same, and the promised benefit in the step 3 is given in the charging process.
And 5, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
The price list is exemplified:
the cost of electricity price is 0.8 yuan/degree daytime, and 1.9 yuan/degree is collected in 30KW charging, and 1.7 yuan/degree is collected in 25KW charging, and 1.5 yuan/degree is collected in 20KW charging, and 1.4 yuan/degree is collected in 15KW charging, and 1.3 yuan/degree is collected in 10KW charging.
If the electricity is limited temporarily, the cost is reduced by 0.4 yuan/degree every hour of electricity limitation.
The user selects a charging mode according to the self demand and the actual situation of the electric automobile.
The above-mentioned embodiments only express one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (4)
1. A charging pile system for balanced charging comprises a data center, a mobile client and a charging pile, and is characterized in that the charging pile is a direct current charging pile, and a communication module and a current control module are arranged in the direct current charging pile;
the charging piles are arranged in the same charging place, the charging pile system further comprises a total power measuring module, and the total power measuring module measures the total power and the total current of all the charging piles in the charging place and sends the upper limit of the power and the current of the place to a data center;
the communication module is connected with the data center through the internet, obtains a charging allowable value and a maximum power limit from the data center, and sends the maximum current limit to the current control module;
the data center communicates with the mobile client, completes the agreement signing of the secret payment, and negotiates the charging mode and the charging price when in use each time;
the total power measurement module is used for carrying out power limiting processing on the user receiving the temporary power limitation according to the user information receiving the temporary power limitation, which is acquired by the mobile client, and temporarily limiting the power until the total power or the total current does not exceed an upper limit;
the charging pile system realizes balanced charging in the following way, and comprises the following specific steps,
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center;
step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client; in the price table, the higher the charging current is, the higher the electricity charge unit price is;
step 3, the mobile client inquires whether the user accepts the temporary power limit, and gives fixed preference to the cost after the temporary power limit occurs;
step 4, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit;
when the total power or the total current obtained by the total power measuring module exceeds the upper limit provided by the total power measuring module, reducing the current of the user who accepts the temporary power limit in the step 3 until the total power or the total current does not exceed the upper limit, wherein the current reduction proportion is the same, and the promised benefit in the step 3 is given during charging;
and 5, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
2. The charging pile system for equalizing charges of claim 1, wherein before step 2, the user can send the model of his vehicle through the mobile client, and the data center queries and returns the maximum charging power of the vehicle to the mobile client.
3. A charging method based on the charging pile system of any one of claims 1-2, comprising the steps of:
step 1, if a user uses the mobile phone for the first time, the mobile client needs to be downloaded by using the mobile phone, the mobile client registers an account, and signs a password-free payment protocol by using network payment to give automatic fee deduction authorization to a data center;
step 2, the mobile client obtains a price list from the data center, the price list comprises a plurality of charging modes and corresponding prices, and a user selects the charging mode by using the mobile client;
step 3, the mobile client inquires whether the user accepts the temporary power limit, and gives fixed preference to the cost after the temporary power limit occurs;
step 4, the data center sends the maximum power limit to the communication module in real time according to the charging mode selected by the user, the communication module forwards the maximum current limit to the current control module, and the current control module charges the electric vehicle according to the maximum power limit;
when the total power or the total current obtained by the total power measuring module exceeds the upper limit provided by the total power measuring module, reducing the current of the user who accepts the temporary power limit in the step 3 until the total power or the total current does not exceed the upper limit, wherein the current reduction proportion is the same, and the promised benefit in the step 3 is given during charging;
and 5, when the maximum current limit is 0, the current control module ends the charging of the electric vehicle.
4. The charging method according to claim 3, wherein the price table shows that the higher the charging current is, the higher the price of electricity.
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| CN105303704A (en) * | 2015-09-21 | 2016-02-03 | 四川豪特实业集团有限公司 | Internet electric car charging point managing system and method |
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| CN107026487A (en) * | 2011-09-02 | 2017-08-08 | 特斯拉汽车公司 | The multiport vehicle DC charging systems distributed with variable power |
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| CN103715725B (en) * | 2012-09-29 | 2017-03-01 | 日电（中国）有限公司 | Charging system of electric powercar and method |
| CN106503998A (en) * | 2016-10-19 | 2017-03-15 | 宁波江东晶量电子科技有限公司 | Charging pile intelligent payment method and system based on encrypted biometric information |
| CN107578548A (en) * | 2017-07-11 | 2018-01-12 | 深圳市前海绿色交通有限公司 | Intelligent charging spot system |
| CN107730740A (en) * | 2017-08-30 | 2018-02-23 | 苏州云咖新能源科技有限公司 | High in the clouds smart new energy charging pile platform management system |
| CN108198342A (en) * | 2017-12-28 | 2018-06-22 | 浙江硕维新能源技术有限公司 | A kind of charging pile management method based on Internet of Things |
| CN108416924A (en) * | 2018-03-05 | 2018-08-17 | 清华四川能源互联网研究院 | Stopping for charging management method and device |
| CN108596667B (en) * | 2018-04-25 | 2022-02-22 | 国网天津市电力公司电力科学研究院 | Electric automobile real-time charging electricity price calculation method based on Internet of vehicles |
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| CN107026487A (en) * | 2011-09-02 | 2017-08-08 | 特斯拉汽车公司 | The multiport vehicle DC charging systems distributed with variable power |
| CN105303704A (en) * | 2015-09-21 | 2016-02-03 | 四川豪特实业集团有限公司 | Internet electric car charging point managing system and method |
| CN106253419A (en) * | 2016-10-31 | 2016-12-21 | 威胜电气有限公司 | The management of power use device of charging pile and management method in platform district |
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