CN112659953B - Three-dimensional matrix type charging stack power distribution device and method - Google Patents
Three-dimensional matrix type charging stack power distribution device and method Download PDFInfo
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- CN112659953B CN112659953B CN202011542089.6A CN202011542089A CN112659953B CN 112659953 B CN112659953 B CN 112659953B CN 202011542089 A CN202011542089 A CN 202011542089A CN 112659953 B CN112659953 B CN 112659953B
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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
- Y02T90/12—Electric charging stations
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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
Abstract
The invention provides a three-dimensional matrix type charging stack power distribution device and a method thereof, wherein the device comprises a three-dimensional switch matrix, a charging terminal and a power module group; the power module group is used for supplying power to the charging terminal through the three-dimensional switch matrix, and a charging gun in the charging terminal is used for charging the automobile battery; the positive electrodes of the power module groups are connected with one end of the conductor column through a switch, and the negative electrodes of the power module groups are connected with the negative electrodes of the charging terminals after being connected in parallel; the power module group is formed by connecting a plurality of power modules in series, the three-dimensional switch matrix is formed by n conductor columns and n.k switches into a k layer, and each layer of the three-dimensional switch matrix is formed by n switches. The invention also provides a power distribution method of the three-dimensional matrix type charging stack. The invention can solve the problems of complex wiring, large occupied space, difficult maintenance and the like in the prior art.
Description
Technical Field
The invention relates to the field of control systems, in particular to a three-dimensional matrix type charging stack power distribution device and a method.
Background
With the deterioration of global environment and the continuous highlighting of energy contradiction, the traditional fuel automobile is gradually replaced by a new energy automobile, and for example, the appearance of a new energy electric automobile provides a feasible scheme for improving the environmental problem and relieving the energy contradiction.
The new energy electric automobile is the mainstream direction of the current automobile industry development, and the realization of the good benefits of energy conservation and emission reduction of the new energy electric automobile has important significance. Under the condition that key technologies such as a power battery and a driving motor are difficult to make a major breakthrough, how to charge an electric vehicle is to find efficient electric vehicle power distribution full-time and control strategies on the premise of ensuring the safety and stability of vehicle charging is a great direction for researching electric vehicles at present.
At present, the mainstream wiring devices in the market are all obstacles to the development of electric automobiles, such as complicated wiring, large occupied space, difficult maintenance and the like.
Disclosure of Invention
The invention aims to provide a three-dimensional matrix type charging stack power distribution device and a method, which can solve the problems of complex wiring, large occupied space, difficult maintenance and the like in the prior art.
A three-dimensional matrix type charging stack power distribution device comprises a three-dimensional switch matrix, a charging terminal and a power module group;
the power module group is used for supplying power to the charging terminal through the three-dimensional switch matrix, and a charging gun in the charging terminal is used for charging the automobile battery;
the positive electrodes of the power module groups are connected with one end of the conductor column through a switch, and the negative electrodes of the power module groups are connected with the negative electrodes of the charging terminals after being connected in parallel;
the power module group is formed by connecting a plurality of power modules in series, the three-dimensional switch matrix is formed by n conductor columns and n.k switches into a k layer, each layer of the three-dimensional switch matrix is formed by n switches, the number of the power modules, the number of charging guns in the charging terminals and the number of the conductor columns are the same, namely k and n are equal, anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, each power module group is connected with the n charging columns through the k switches, and n and k are integers larger than 1.
A power distribution method for a three-dimensional matrix type charge stack comprises the following steps:
1) The power module group is connected with the charging terminal through the three-dimensional switch matrix and controls the power input to the charging terminal by controlling the opening and closing of the switch in the three-dimensional switch matrix;
2) The anode of each power module group is connected with each central point in the three-dimensional switch matrix, the central points are connected with one end of the conductor column through switches, and the output cathodes of the power module groups are connected together in parallel and then connected with the cathode of each charging terminal;
3) After the three-dimensional switch matrix is connected with the charging terminal, the three-dimensional switch matrix is connected with the negative electrode of the power module through the charging terminal, when the vehicle is not charged, all the switches are in an off state, and when the vehicle is charged, the vehicle corresponding to the charging terminal is charged by closing the corresponding switches in the three-dimensional switch matrix.
Further, it is characterized in that: and 2) connecting k power modules in the power module group in the step 2) with the center of the k-layer switch matrix through n switches, wherein n and k are integers greater than 1.
Furthermore, the three-dimensional switch matrix is composed of k layers consisting of n conductor columns and n · k switches, each layer of the three-dimensional switch matrix is composed of n switches, the number of the power modules, the number of the charging guns in the charging terminals and the number of the conductor columns are the same, namely k and n are equal, anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, and each power module group is connected with the n charging columns through the k switches.
Further, the switch matrix switch in step 3) is in the following open and closed states:
3a) The k power module groups correspond to the n charging terminals, and k switches on the left side of each power module are closed firstly during charging;
3b) When a single automobile is connected to a charging terminal m for charging, the automobile can be charged by closing any switch on the mth conductor column;
3c) When two automobiles are charged, the two automobiles 1 and 2 are respectively connected to a charging terminal 1 and a charging terminal 2, and the two automobiles can be supplied with power by closing switches on any two different layers on the 1 st and 2 nd conductor columns;
3d) When x cars are charged simultaneously, the switches on different layers of the x charging columns connected with the x charging terminals need to be closed, and the x cars can be charged simultaneously.
The invention has the following beneficial effects: the invention adopts the three-dimensional switch matrix, thereby realizing the purposes of simple wiring and small occupied space, modularizing the switches, and simply optimizing and maintaining the circuit in the later period, and reducing the switch quantity by using the three-dimensional switch matrix, taking 10 power modules and 10 guns as examples, the existing scheme needs 100 relays if wanting to realize the arbitrary energy dispatching, and cannot accept the cost and the reliability, so a compromise scheme is generally adopted to sacrifice the flexibility, and the switch quantity can be reduced to 50 by adopting the three-dimensional switch matrix.
Drawings
Fig. 1 is a schematic structural diagram of a three-dimensional matrix type charging stack power distribution device according to the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a three-dimensional matrix type charging stack power distribution device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, the present invention provides a three-dimensional matrix type charge stack power distribution apparatus, including a three-dimensional switch matrix, a charge terminal, and a power module group;
the power module group is used for supplying power to the charging terminal through the three-dimensional switch matrix, and a charging gun in the charging terminal is used for charging the automobile battery;
the positive electrodes of the power module groups are connected with one end of the conductor column through a switch, and the negative electrodes of the power module groups are connected with the negative electrodes of the charging terminals after being connected in parallel;
the power module group is composed of a plurality of power modules in series connection, the three-dimensional switch matrix is composed of k layers formed by n conductor columns and n.k switches, each layer of the three-dimensional switch matrix is composed of n switches, the number of the power modules, the number of charging guns in the charging terminals and the number of the conductor columns are the same, namely k and n are equal, the anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, each power module group is connected with the n charging columns through the k switches, and n and k are integers larger than 1.
The embodiment of the invention also provides a power distribution method of a three-dimensional switch matrix type charging stack, which can be performed by adopting the device, and the method comprises the following steps:
1) The power module group is connected with the charging terminal through the three-dimensional switch matrix, and the power module group controls the power input to the charging terminal by controlling the opening and closing of a switch in the three-dimensional switch matrix;
2) The anode of each power module group is connected with each central point in the three-dimensional switch matrix, the central points are connected with one end of the conductor column through switches, and the output cathodes of the power module groups are connected together in parallel and then connected with the cathode of each charging terminal;
3) After the three-dimensional switch matrix is connected with the charging terminal, the three-dimensional switch matrix is connected with the negative electrode of the power module through the charging terminal, when the charging is not performed, all switches are in an off state, and when the charging is performed, the vehicle corresponding to the charging terminal is charged by closing the corresponding switches in the three-dimensional switch matrix.
And 3) connecting k power modules in the power module group in the step 2) with the center of a k-layer switch matrix through n switches, wherein n and k are integers greater than 1.
The three-dimensional switch matrix is a three-dimensional switch matrix consisting of k layers consisting of n conductor columns and n.k switches, each layer of three-dimensional switch matrix consists of n switches, the number of power modules, the number of charging guns in the charging terminal and the number of the conductor columns are the same, namely k and n are equal, anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, and each power module group is connected with the n charging columns through the k switches.
The switch matrix switch in the step 3) is in the following opening and closing states:
3a) The k power module groups correspond to the n charging terminals, and k switches on the left side of each power module are closed firstly during charging;
3b) When a single automobile is connected to a charging terminal m for charging, the automobile can be charged by closing any switch on the mth conductor column;
3c) When two automobiles are charged, the two automobiles 1 and 2 are respectively connected to a charging terminal 1 and a charging terminal 2, and the two automobiles can be powered by closing switches at any two different layers on a 1 st conductor column and a 2 nd conductor column;
3d) When x cars are charged simultaneously, the switches on different layers of the x charging columns connected with the x charging terminals need to be closed, and the x cars can be charged simultaneously.
In the following, a specific embodiment is described, in which the number of charging modules and the number of charging terminals are 10, as shown in fig. 2.
1. Example 1
As shown in fig. 2, if a car is charged at T1, only switch D1 needs to be closed, and the charging power provided to the car is the power of one power module group.
2. Example 2
As shown in fig. 2, if two cars are charged at T1 and T2, only the switches D1 and D2 need to be closed, and the charging power provided to each car is the power of one power module group.
3. Example 3
As shown in fig. 2, if three cars are charged at T1, T2, and T3, only the switches D1, D2, and D3 need to be closed, and the charging power provided to each car is the power of one power module group.
3. Example 4
As shown in fig. 2, if 10 vehicles fully occupy the charging terminal module, the switches D1, D2, D3, D4, D5, D6, D7, D8, D9, and D10 are only required to be closed, and the charging power provided to each vehicle is the power of one power module group.
The invention adopts the three-dimensional switch matrix to realize the purposes of simple wiring and small occupied space, the switch can be modularized, the circuit can be optimized and maintained simply in the later period, the use of the three-dimensional switch matrix can reduce the number of the switches, and taking 10 power modules and 10 guns as examples, the existing scheme needs 100 relays if the energy is required to be dispatched at will, and the cost and the reliability cannot be accepted, so a compromise scheme is generally adopted to sacrifice the flexibility, and the number of the switches can be reduced to 50 by adopting the three-dimensional switch matrix.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (4)
1. A power distribution method for a three-dimensional matrix type charge stack is characterized in that: the method is carried out by adopting a three-dimensional matrix type charging stack power distribution device, wherein the three-dimensional matrix type charging stack power distribution device comprises a three-dimensional switch matrix, a charging terminal and a power module group;
the power module group is used for supplying power to the charging terminal through the three-dimensional switch matrix, and a charging gun in the charging terminal is used for charging an automobile battery;
the positive electrodes of the power module groups are connected with one end of the conductor column through a switch, and the negative electrodes of the power module groups are connected with the negative electrodes of the charging terminals after being connected in parallel;
the power module group is composed of a plurality of power modules in series connection, the three-dimensional switch matrix is composed of k layers of n conductor columns and n.k switches, each layer of the three-dimensional switch matrix is composed of n switches, the number of the power modules, the number of charging guns in the charging terminals and the number of the conductor columns are the same, namely k and n are equal, the anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, each power module group is connected with the n charging columns through the k switches, wherein n and k are integers larger than 1, and the method comprises the following steps:
1) The power module group is connected with the charging terminal through the three-dimensional switch matrix and controls the power input to the charging terminal by controlling the opening and closing of the switch in the three-dimensional switch matrix;
2) The positive electrodes of the power module groups are connected with each central point in the three-dimensional switch matrix, the central points are connected with one end of the conductor column through the switch, and the output negative electrodes of the power module groups are connected in parallel and then connected with the negative electrodes of the charging terminals;
3) After the three-dimensional switch matrix is connected with the charging terminal, the three-dimensional switch matrix is connected with the negative electrode of the power module through the charging terminal, when the charging is not performed, all switches are in an off state, and when the charging is performed, the vehicle corresponding to the charging terminal is charged by closing the corresponding switches in the three-dimensional switch matrix.
2. The method of claim 1, wherein the method further comprises: and 2) connecting k power modules in the power module group in the step 2) with the center of the k-layer switch matrix through n switches, wherein n and k are integers greater than 1.
3. The method of claim 2, wherein the method further comprises: the three-dimensional switch matrix is composed of k layers formed by n conductor columns and n.k switches, each layer of the three-dimensional switch matrix is composed of n switches, the number of power modules, the number of charging guns in the charging terminal and the number of the conductor columns are the same, namely k and n are equal, the anodes of the charging guns are connected with the conductor columns one by one, the n conductor columns are connected with the n charging guns, and each power module group is connected with the n charging columns through the k switches.
4. The method of claim 1, wherein the method further comprises: the switch matrix switch in the step 3) is in the following opening and closing states:
3a) The k power module groups correspond to the n charging terminals, and k switches on the left side of each power module are closed firstly during charging;
3b) When a single automobile is connected to a charging terminal m for charging, the automobile can be charged by closing any switch on the mth conductor column;
3c) When two automobiles are charged, the two automobiles 1 and 2 are respectively connected to a charging terminal 1 and a charging terminal 2, and the two automobiles can be supplied with power by closing switches on any two different layers on the 1 st and 2 nd conductor columns;
3d) When x cars are charged simultaneously, the switches on different layers of the x charging columns connected with the x charging terminals need to be closed, and the x cars can be charged simultaneously.
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| US20150137735A1 (en) * | 2013-11-17 | 2015-05-21 | John E Wacholtz, JR. | Flash Charger for Electric/Hybrid Vehicles in Locations with Limited Electrical Service |
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| CN103718481A (en) * | 2011-07-29 | 2014-04-09 | 阿卡德米信息通信股份有限公司 | System for controlling sounds and images through three-dimensional matrix circuit |
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