CN217145705U - Multi-output charging module with power distribution function and charging pile - Google Patents
Multi-output charging module with power distribution function and charging pile Download PDFInfo
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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
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Abstract
The application provides a multiplexed output module of charging and fill electric pile with power distribution function, the module of charging includes: the device comprises a first auxiliary source, a first control unit, a power unit and a power distribution unit; the first auxiliary source is used for supplying power to the charging module; the first control unit is used for sending a first control instruction to the power unit and sending a second control instruction to the power distribution unit, and when the power unit receives the first control instruction, the first control unit receives input current, converts the current into power with the same value as the required output power and outputs the power; the power distribution unit comprises N paths of power output ends, when the power distribution unit receives a second control instruction, one path of power output end is in a working state and used for outputting power, and the other paths are in a non-working state. According to the embodiment of the application, the complexity of the design of the charging pile is reduced, and the convenience of maintenance is improved.
Description
Technical Field
The application relates to the technical field of electric vehicle charging, in particular to a multi-path output charging module with a power distribution function and a charging pile.
Background
Along with the rapid development in the technical field of electric vehicles, the demand for charging piles is increasing. Fill electric pile's multiplexed output function and can satisfy that many cars charge simultaneously, the vehicle can change charging current size demand in charging process, for example, different motorcycle types are inequality to charging current size demand, consequently need the different module of charging of dispatch to charge for electric vehicle.
The charging pile comprises a central control unit, a plurality of charging modules and a plurality of power distribution units associated with the charging modules, wherein the central control unit issues charging instructions to the power distribution units, and the power distribution units receiving the charging instructions realize parallel connection or disconnection of the output of the charging modules according to the charging instructions, so that the charging of a vehicle to be charged is realized.
However, as can be seen from the above, the prior art has at least the following problems: the charging pile is provided with a plurality of cables between the charging module and the power distribution unit, so that the charging pile is very complex in design and difficult to maintain.
SUMMERY OF THE UTILITY MODEL
The application provides a multiplexed output module and electric pile that charges with power distribution function for it is complicated to fill electric pile design among the solution prior art, maintains the problem of difficulty.
In a first aspect, the present application provides a multi-output charging module with power distribution function, including: the device comprises a first auxiliary source, a first control unit, a power unit and a power distribution unit;
the first auxiliary source is used for supplying power to the charging module;
the first control unit is used for sending a first control instruction to the power unit and sending a second control instruction to the power distribution unit, the first control instruction carries an output power value required to be output by the power unit, and the second control instruction carries an output end identifier corresponding to one path of power output end which is required to be in an output state in the power distribution unit;
the power unit comprises an input end, an output end and a power conversion assembly, when the power unit receives a first control instruction, the input end receives input current, converts the current into power with the same power value as the output power value through the power conversion assembly, and outputs the power through the output end;
the power distribution unit comprises N paths of power output ends, one path of power output end corresponding to the output end identification is in a working state according to a second control instruction and used for power output, other paths are in a non-working state, and N is a positive integer greater than or equal to 2.
Optionally, each of the N power output terminals includes a switching device, so as to control an operating state thereof through the switching device.
Alternatively, the switching device may be a mechanical switch, a relay, a contactor, a MOS transistor, an IGBT, a thyristor, or a triode.
Optionally, each of the N power output terminals includes a high potential output terminal and a low potential output terminal, and the high potential output terminal and the low potential output terminal of each of the N power output terminals are controlled individually or in a coordinated manner.
Optionally, a branch protection circuit is disposed at each output terminal included in the N power output terminals.
Optionally, the branch protection circuit comprises at least one of a diode or a fuse.
In a second aspect, the present application provides a charging post comprising at least one multiplexed output charging module with power distribution functionality as described above in relation to the first aspect.
Optionally, the charging pile further comprises at least one charging gun, wherein the charging gun is used for being connected with a vehicle to be charged, receiving the required power of the vehicle to be charged sent by a battery management system of the vehicle to be charged, and sending the required power to the central control unit.
Optionally, the charging pile further comprises a central control unit, and the central control unit is used for receiving the required power of the vehicle to be charged sent by the charging gun, distributing the required power of the vehicle to be charged for the charging gun according to the required power of the vehicle to be charged, and based on the charging module.
Optionally, the central control unit includes a second auxiliary source and a second control unit, the second auxiliary source is configured to provide a power supply for the central control unit, and the second control unit is configured to distribute the required power of the vehicle to be charged to the charging gun based on the charging module according to the required power of the vehicle to be charged.
As can be seen from the above, the charging module shown in the embodiment of the present application is provided with a power distribution unit therein, and the working state of the charging module is controlled by the first control unit; compared with the prior art that the power distribution unit is arranged at other positions of the charging pile, the power distribution unit is connected with the charging module and the power unit in the charging module through more connecting wires, and is also connected with the central control unit of the charging pile, so that the charging module and the charging pile are complex in structural design, communication problems are easy to occur, and the maintenance is difficult in the use process; the charging module shown in the embodiment of the application integrates the power distribution unit into the charging module, so that the connection design between the power distribution unit and the charging module and between the power units in the charging module is omitted, and the connection design between the power distribution unit and the central control unit of the charging pile is also omitted, so that the complexity of the charging module and the design of the charging pile can be reduced, the communication between the charging module and the charging pile is simplified, and the convenience of maintenance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a charging module according to the prior art;
fig. 2 is a schematic structural diagram of a charging pile according to the prior art;
fig. 3 is a schematic structural diagram of a charging module according to an embodiment of the present application;
FIG. 4 is a schematic diagram illustrating a power cell according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a charging pile according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a charging pile according to another embodiment of the present application.
In the figure: the charging system comprises a charging module 100, a power unit 101, a power distribution unit 102, a first auxiliary source 103, a first control unit 104, a central control unit 200, a second auxiliary source 201, a second control unit 202, a charging gun 300, an input end 1011, a power conversion assembly 1012 and an output end 1013.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort also belong to the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a charging module according to the prior art. As shown in fig. 1, a charging module in the prior art includes a power unit, a module auxiliary source, and a module control unit.
The module auxiliary source is used for providing power for the charging module.
The module control unit is used for controlling the power unit, for example, controlling the working state of the power unit, controlling the output power of the power unit, and the like.
The charging module outputs power through the power output end.
Further, referring to fig. 2, fig. 2 is a schematic structural diagram of a charging pile according to the prior art. As shown in fig. 2, the charging pile in the prior art includes a Central Control Unit (CCU), a plurality of charging modules, and a plurality of Power Distribution Units (PDU).
The power output ends of the plurality of charging modules are connected with the plurality of power distribution units through connecting lines, and are connected with the central control unit through more connecting lines.
It should be noted here that, in the prior art, the number of power distribution units and the number of charging modules may be the same or different. As shown in fig. 2, the charging pile includes 3 charging modules, but only includes two power distribution units, and certainly may include 4 power distribution units, which are designed according to actual situations.
Further, as shown in fig. 2, the charging pile further includes a plurality of charging guns, and the number of the charging guns may be the same as or different from the number of the power distribution units.
The central control unit is connected with the charging gun through Controller Area Network (CAN). The charging gun is connected with a Battery Management System (BMS) of the vehicle to be charged, the Battery Management System sends power required by the vehicle to be charged to a central control unit through CAN communication, the central control unit sends a distribution instruction to a power distribution unit through CAN communication, and the power distribution unit distributes power to the charging gun according to the distribution instruction.
Fig. 3 is a schematic structural diagram of a charging module 100 according to an embodiment of the present application, and as shown in fig. 3, the multi-output charging module with a power distribution function includes: a power unit 101, a power distribution unit 102, a first auxiliary source 103 and a first control unit 104.
The first auxiliary source 103 is used for supplying power to the charging module 100.
The first control unit 104 is configured to send a first control instruction to the power unit 101, and send a second control instruction to the power distribution unit 102, where the first control instruction carries an output power value that the power unit 101 needs to output, and the second control instruction carries an output end identifier corresponding to one path of power output end that needs to be in an output state in the power distribution unit 102.
Referring to fig. 4, the power unit 101 includes an input terminal 1011, an output terminal 1013, and a power conversion module 1012, when the power unit 101 receives a first control instruction, the input terminal 1011 receives an input current, and converts the current into the same power as an output power value through the power conversion module 1012, and outputs the same power through the output terminal 1013.
The power distribution unit 102 includes N power output ends, and makes one power output end corresponding to the output end identifier in a working state for power output according to the second control instruction, and other power output ends are in a non-working state, where N is a positive integer greater than or equal to 2.
It should be noted here that the first control unit 104 can at least implement the following control functions: 1) Controlling the output voltage of the power unit 101 to be high or low; 2) controlling the magnitude of the output current (i.e., the magnitude of the output power) of the power unit 101; 3) when the power unit 101 is abnormal, a protection action is generated, for example, the connection between the power unit 101 and the input current is disconnected, so as to achieve the purpose of protecting the power unit 101; 4) controlling the power distribution unit 101 to sample voltage and current; 5) controlling the switching devices in the power distribution unit 102.
Of course, the first control unit 104 may also implement other control operations, and the embodiments of the present application are not limited herein and are not described in detail.
Further, the operation of the charging module 100 is as follows: firstly, the charging module 100 is powered by the first auxiliary source 103, so that the charging module 100 is in an openable state; then, a first control command is sent to the power unit 101 through the first control unit 104 (assuming that the control command at this time is used for instructing the power unit 101 to operate, when the power unit 101 receives the first control command, the input terminal 1011 of the power unit 101 starts to receive the input current, and converts the received current into the required power through the power conversion component 1012, and outputs the required power through the output terminal 1013; the power distribution unit 102 receives the power output by the power unit 101; further, the first control unit 104 sends a second control command to the power distribution unit 102, where the second control command at this time is used for instructing the power distribution unit 102 to operate and determining that one of the N power output terminals is in an operating state for power output and the other one is in a non-operating state; thus, the charging module 100 can output power, and is in a working state.
As can be seen from the above, the charging module shown in the embodiment of the present application is provided with a power distribution unit therein, and the working state of the charging module is controlled by the first control unit; compared with the prior art that the power distribution unit is arranged at other positions of the charging pile, the power distribution unit is connected with the charging module and the power unit in the charging module through more connecting wires, and is also connected with the central control unit of the charging pile, so that the charging module and the charging pile are complex in structural design, communication problems are easy to occur, and the maintenance is difficult in the use process; the charging module shown in the embodiment of the application integrates the power distribution unit into the charging module, so that the connection design between the power distribution unit and the charging module and between the power units in the charging module is omitted, and the connection design between the power distribution unit and the central control unit of the charging pile is also omitted, so that the complexity of the charging module and the design of the charging pile can be reduced, the communication between the charging module and the charging pile is simplified, and the convenience of maintenance is improved.
In addition, in the prior art, the charging module and the power distribution unit need to be respectively communicated with a central control unit in the charging pile, so that communication and control logics are complex; therefore, according to the embodiment of the application, only the charging module is required to be communicated with the central control unit, so that the complexity of communication and control logic is simplified.
Optionally, the N power output terminals control their operating states through a switching device.
The switching device is convenient to control, and the working effect of the charging module is improved. Of course, the working states of the N power output terminals may be controlled in other manners, which is not limited in this embodiment of the application.
Alternatively, the switching device may be a mechanical switch, a relay, a contactor, a MOS transistor, an IGBT, a thyristor, or a triode.
Of course, the switch device may also be another switch device as long as the control of the output end of the path can be realized, which is not limited in the embodiment of the present application.
Optionally, each of the N power output terminals includes a high potential output terminal and a low potential output terminal, and the high potential output terminal and the low potential output terminal of each of the N power output terminals are controlled individually or in a coordinated manner.
When the high potential output end and the low potential output end of each path are independently controlled, the control convenience and the later maintenance convenience can be improved; when the linkage control is adopted, the control efficiency can be improved, and in actual use, a proper control mode can be selected according to actual conditions.
Optionally, a branch protection circuit is disposed at each output terminal included in the N power output terminals.
Optionally, a branch protection circuit may be disposed at the output of the charging module to prevent the current outside the charging module 100 from being inverted when the charging module 100 fails. In addition, when the branch protection circuit is arranged, if one output end fails, the normal work of the other output ends is not influenced.
Optionally, the branch protection circuit comprises a diode and a fuse.
Of course, the branch protection circuit may also be other protection circuits as long as the branch protection function is performed, and the embodiment of the present application does not limit this.
Fig. 5 shows a charging post according to an embodiment of the present application, which includes at least one multi-output charging module with a power distribution function as described in the above embodiments.
Optionally, referring to fig. 5, the charging pile further includes at least one charging gun 300, and the charging gun 300 is configured to be connected to a vehicle to be charged, and is configured to receive a required power of the vehicle to be charged, which is sent by a battery management system of the vehicle to be charged, and send the required power to the central control unit 200.
It should be noted that, although the charging pile shown in fig. 5 includes only three charging modules and two charging guns, this is merely illustrative and is not a limitation to the embodiment of the present disclosure, as shown in fig. 6, the embodiment of the present disclosure may include N charging modules and M charging guns, where the number of N and M may be determined according to actual situations, and N and M may be the same or different, where M is a positive integer.
Optionally, referring to fig. 5 or fig. 6, the charging pile further includes a central control unit 200, and the central control unit 200 is configured to receive the required power of the vehicle to be charged sent by the charging gun 300, and allocate the required power of the vehicle to be charged to the charging gun 300 based on the charging module according to the required power of the vehicle to be charged.
Optionally, the central control unit 200 includes a second auxiliary source 201 and a second control unit 202, the second auxiliary source 201 is used for providing power for the central control unit 200, and the second control unit 202 is used for distributing the required power of the vehicle to be charged for the charging gun 300 based on the charging module 100 according to the required power of the vehicle to be charged.
When the charging gun is used, a user stops a vehicle to be charged beside one charging gun 300, and the charging gun 300 is connected with the vehicle to be charged; after the charging gun 300 is connected with a vehicle to be charged, a battery management system of the vehicle to be charged sends charging required power of the vehicle to be charged to the charging gun 300; the charging gun 300 transmits the required charging power to the central control unit 200 through CAN communication; after receiving the required charging power, the central control unit 200 transmits the required charging power to the charging module 100 to be started through the CAN communication; after receiving the required charging power, the charging module 100 to be turned on controls the output power of the power unit 101 through the first control unit 104, and controls the required turned-on output terminal of the power distribution unit 102, so that the charging module 100 outputs the same power as the required charging power, and sends the output power to the charging gun 300 connected to the vehicle to be charged, so that the charging gun 300 charges the vehicle to be charged.
Illustratively, referring to fig. 5, the charging post includes 3 charging modules, two charging guns. Suppose that the maximum power output by each charging module is 30kW, the charging power required by the charging gun No. 1 is 90kW, and the charging power required by the charging gun No. 2 is 0W. At this time, the charging gun sends information to the central control unit 200 through the BMS, the central control unit 200 sends instructions through communication to enable the charging module 1, the charging module 2 and the charging module 3 to output Vo1, Vo2 and Vo3 which are corresponding to 1+ and 1-switches to be attracted, and the outputs of the three charging modules are connected to the No. 1 charging gun in parallel to provide energy for the No. 1 charging gun; the 2+ and 2-switches corresponding to the three charging modules are disconnected, and the outputs of the three charging modules are disconnected with the No. 2 charging gun. If the required power of the charging gun No. 1 is 60kW and the required power of the charging gun No. 2 is 30kW, the BMS sends information to the central control unit 200, the central control unit 200 sends the information through communication to send an instruction to enable the charging module 1 and the charging module 2 to be attracted corresponding to 1+ and 1-switches and to be disconnected corresponding to 2+ and 2-switches, namely the charging module 1 and the charging module 2 are connected in parallel on the charging gun No. 1 to provide energy for the charging gun No. 1; the charging module 3 is attracted by the 2+ and 2-switches correspondingly, is disconnected by the 1+ and 1-switches correspondingly, is connected in parallel with the No. 2 charging gun and provides energy for the No. 2 charging gun.
Further, on the basis of the illustration in fig. 5, see fig. 6.
Fig. 6 is a charging pile composed of N output charging modules with power distribution function, and the charging pile has N charging guns. The outputs of the N charging modules are connected in a full matrix manner, each charging gun uploads the charging demand information to the central control unit 200 through the BMS, and the central control unit 200 dispatches any charging module to charge through communication and command sending. If the maximum power output of a single charging module is 30kW, and the required power of the Nth charging gun is N x 30kW, the central control unit 200 will issue a command to close the Nth switches N + and N-of all the 1 st and 2 … … Nth charging modules, so that all the charging modules are connected in parallel to the Nth charging gun. Or, if the charging power demand of the nth gun is 30kW, the central control unit 200 issues the charging power demand to any idle charging module via communication, so that the switches N + and N-corresponding to the charging module are closed, and the charging module is connected to the nth charging gun. Therefore, theoretically, the maximum output power of the charging gun is X X30 kW (X is an integer and is more than or equal to 1 and less than or equal to N).
As can be seen from the above, the charging pile shown in the embodiment of the present application includes the charging module shown above, a power distribution unit is disposed in the charging module, and the working state of the charging module is controlled by a first control unit; compared with the prior art that the power distribution unit is arranged at other positions of the charging pile, the power distribution unit is connected with the charging module and the power unit in the charging module through more connecting wires, and is also connected with the central control unit of the charging pile, so that the charging module and the charging pile are complex in structural design, communication problems are easy to occur, and the maintenance is difficult in the use process; the charging module shown in the embodiment of the application integrates the power distribution unit into the charging module, so that the connection design between the power distribution unit and the charging module and between the power distribution unit and the power unit in the charging module is omitted, and the connection design between the power distribution unit and the central control unit of the charging pile is also omitted, so that the complexity of the design of the charging module and the charging pile can be reduced, the communication between the charging module and the charging pile is simplified, and the convenience of maintenance is improved.
Finally, it should be noted that all the contents not described in the technical solutions of the present application can be implemented by using the prior art. In addition, the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a multiplexed output module of charging with power distribution function which characterized in that includes: the device comprises a first auxiliary source, a first control unit, a power unit and a power distribution unit;
the first auxiliary source is used for supplying power to the charging module;
the first control unit is configured to send a first control instruction to the power unit and send a second control instruction to the power distribution unit, where the first control instruction carries an output power value that the power unit needs to output, and the second control instruction carries an output end identifier corresponding to one path of power output end that needs to be in an output state in the power distribution unit;
the power unit comprises an input end, an output end and a power conversion assembly, when the power unit receives the first control instruction, the input end receives input current, converts the current into power with the same output power value through the power conversion assembly, and outputs the power through the output end;
the power distribution unit comprises N paths of power output ends, one path of power output end corresponding to the output end identification is in a working state according to the second control instruction and is used for power output, other paths are in a non-working state, and N is a positive integer greater than or equal to 2.
2. The multi-output charging module with power distribution function according to claim 1, wherein each of the N power outputs is provided with a switching device, so as to control the operating state thereof through the switching device.
3. The multi-output charging module with power distribution function according to claim 2, wherein the switching device can be a mechanical switch, a relay, a contactor, a MOS transistor, an IGBT, a thyristor or a triode.
4. The multi-output charging module with the power distribution function according to any one of claims 1 to 3, wherein each of the N power output terminals comprises a high potential output terminal and a low potential output terminal, and the high potential output terminal and the low potential output terminal of each of the N power output terminals are controlled individually or in a coordinated manner.
5. The multi-output charging module with power distribution function according to claim 4, wherein a branch protection circuit is provided at each output terminal included in the N power output terminals.
6. The multi-output charging module with power distribution function according to claim 5, wherein the branch protection circuit comprises at least one of a diode or a fuse.
7. A charging pile, characterized in that it comprises at least one multiplexed output charging module with power distribution functionality according to any of claims 1 to 6.
8. The charging pile according to claim 7, characterized in that it further comprises at least one charging gun, which is used to connect with a vehicle to be charged, to receive the power required by the vehicle to be charged, which is sent by the battery management system of the vehicle to be charged, and to send the required power to the central control unit.
9. The charging pile according to claim 8, further comprising a central control unit, wherein the central control unit is configured to receive the required power of the vehicle to be charged sent by the charging gun, and distribute the required power of the vehicle to be charged to the charging gun according to the required power of the vehicle to be charged based on the charging module.
10. The charging pile according to claim 9, characterized in that the central control unit comprises a second auxiliary source and a second control unit, the second auxiliary source is used for providing power for the central control unit, and the second control unit is used for distributing the required power of the vehicle to be charged for the charging gun based on the charging module according to the required power of the vehicle to be charged.
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| CN202123168561.7U CN217145705U (en) | 2021-12-16 | 2021-12-16 | Multi-output charging module with power distribution function and charging pile |
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| CN202123168561.7U CN217145705U (en) | 2021-12-16 | 2021-12-16 | Multi-output charging module with power distribution function and charging pile |
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Effective date of registration: 20240424 Address after: 710000, 1st Floor, Building 2, Huatian Communication Park, No. 38 Tuanjie South Road, High tech Zone, Xi'an City, Shaanxi Province Patentee after: Xi'an Xingyuan Borui New Energy Technology Co.,Ltd. Country or region after: China Address before: Room 307, Building A, Lugu Business Center, No. 199 Lulong Road, High tech Development Zone, Changsha City, Hunan Province 410000 Card-1533 (cluster registration) Patentee before: Hunan Bochong New Energy Co.,Ltd. Country or region before: China |