Charging system and charging control method thereof

Abstract

The invention provides a charging system and a charging control method thereof, and relates to the technical field of charging control. Under the condition that a to-be-detected charging gun in the charging system is in a to-be-distributed state and a first power module exists in the charging system, a first power module is switched into the to-be-detected charging gun; and when the to-be-detected charging gun is in a charging state, the output power of the to-be-detected charging gun is smaller than the required power, the first power module exists in the charging system, and the priority of the to-be-detected charging gun is the highest level, at least one first power module is switched into the to-be-detected charging gun. A first power module in the charging system is an idle power module which can be switched into a charging gun to be detected, so that the charging control method comprises the following steps of: when the idle power module which can be switched into the charging gun to be detected exists in the charging system; according to the charging control method, one or at least one idle power module which can be switched into the to-be-detected charging gun can be switched into the to-be-detected charging gun according to different conditions, so that the charging control method can be suitable for the special-shaped matrix charging system.

Description

Technical Field

[0001] The present invention relates to the technical field of charging control, and in particular, to a charging system and a charging control method thereof. Background Art

[0002] At present, in a pure matrix charging system, all charging guns can call any one of the power modules, while in a special-shaped matrix charging system, not all charging guns can call any one of the power modules.

[0003] Since in the special-shaped matrix charging system, not all charging guns can call any one of the power modules, that is, the scheduling of the power modules is subject to certain restrictions, the charging control method of the pure matrix charging system is not applicable to the special-shaped matrix charging system.

[0004] Therefore, how to make the charging control method of the charging system applicable to the special-shaped matrix charging system is a technical problem to be solved urgently. Summary of the Invention

[0005] In view of this, the present invention provides a charging system and a charging control method thereof, so that the charging control method of the charging system is applicable to the special-shaped matrix charging system.

[0006] To achieve the above object, the embodiments of the present invention provide the following technical solutions:

[0007] As can be seen from the above technical solutions, the present invention provides a charging control method for a charging system. In this charging control method, when the charging gun to be inspected in the charging system is in a to-be-allocated state and there is a first power module in the charging system, a first power module is switched into the charging gun to be inspected; when the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, there is a first power module in the charging system, and the priority of the charging gun to be inspected is the highest level, at least one first power module is switched into the charging gun to be inspected. Since the first power module in the charging system is an idle power module that can be switched into the charging gun to be inspected, this charging control method will switch one or at least one idle power module that can be switched into the charging gun to be inspected into the charging gun to be inspected according to different situations only when there is an idle power module that can be switched into the charging gun to be inspected in the charging system. Therefore, the charging control method of the charging system provided by the present application can make itself applicable to the special-shaped matrix charging system. Brief Description of the Drawings

[0008] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained according to the provided accompanying drawings.

[0009] Figure 1 It is a schematic flowchart of the first implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0010] Figure 2 It is a schematic flowchart of a specific implementation manner of step S150 provided by the embodiment of the present application;

[0011] Figure 3 It is a schematic flowchart of the second implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0012] Figure 4 It is a schematic flowchart of the third implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0013] Figure 5 It is a schematic flowchart of the fourth implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0014] Figure 6 It is a schematic flowchart of a specific implementation manner of step S420 provided by the embodiment of the present application;

[0015] Figure 7 It is a schematic flowchart of the fifth implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0016] Figure 8 It is a schematic flowchart of the sixth implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0017] Figure 9 It is a schematic flowchart of the seventh implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0018] Figure 10 It is a schematic flowchart of the eighth implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0019] Figure 11 It is a schematic flowchart of the ninth implementation manner of the charging control method for the charging system provided by the embodiment of the present application;

[0020] Figure 12Schematic flow chart of the tenth implementation manner of the charging control method of the charging system provided in the embodiments of the present application;

[0021] Figures 13 - 16 Schematic structural diagrams of four implementation manners of the charging system provided in the embodiments of the present application respectively. Specific implementation manner

[0022] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0023] In the present application, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0024] In order to make the charging control method of the charging system applicable to the special-shaped matrix charging system, another embodiment of the present application provides a charging control method of the charging system, and its specific process is as Figure 1 shown, and specifically includes the following steps:

[0025] S110. Determine whether the charging gun to be inspected in the charging system is in a to-be-allocated state.

[0026] If the charging gun to be inspected is in a to-be-allocated state, then execute step S120; if the charging gun to be inspected is not in a to-be-allocated state, then execute step S140.

[0027] The charging gun to be inspected refers to the charging gun waiting to be detected in the charging system. In actual applications, each charging gun in the charging system is detected periodically. In other words, each charging gun in the charging system takes turns as the charging gun to be inspected.

[0028] The charging gun to be inspected is in a state of waiting to be allocated, indicating that: the charging gun to be inspected has established communication with the charging vehicle but has not started charging the charging vehicle yet, that is, the charging gun to be inspected has not completed the insulation detection, which also means that no power module has been switched into the charging gun to be inspected.

[0029] It should be noted that insulation detection is a safety detection before the charging gun charges the charging vehicle. Since insulation detection is already very mature in the prior art, it will not be elaborated here in detail.

[0030] S120. Determine whether there is a first power module in the charging system.

[0031] If there is a first power module in the charging system, execute step S130; if there is no first power module in the charging system, stop executing this charging control method.

[0032] Among them, the first power module is an idle power module in the charging system that can be switched into the charging gun to be inspected. An idle power module refers to a power module in the charging system that is in an idle state. An idle power module that can be switched into the charging gun to be inspected refers to a power module that is connected to the charging gun to be inspected and is in an idle state.

[0033] For example, as Figure 14 shown, the 1# charging gun is respectively connected to the 1# power module to the 6# power module. If the 1# charging gun is used as the charging gun to be inspected, and the 1# power module, 3# power module, and 4# power module are in an idle state, then the 1# power module, 3# power module, and 4# power module are all first power modules.

[0034] S130. Switch a first power module into the charging gun to be inspected and perform insulation detection on the charging gun to be inspected.

[0035] Switching a power module into the charging gun means making the power module communicate with the charging gun and making the power module in a working state. Switching a first power module into the charging gun to be inspected is similar to this, and it can be deduced from this.

[0036] It should be noted that usually, if no discharge instruction is received, during the process of switching the power module into the charging gun to be inspected, whether the power module is a charge-discharge module or not, making the power module in a working state means making the power module in a charging state. If a discharge instruction is received, during the process of switching the power module into the charging gun to be inspected, making the power module in a working state means making the power module in a discharging state.

[0037] Usually, the charging gun is connected to one end of the access switch through a relay in the PDU, and the other end of the access switch is connected to the first side of the power module.

[0038] When it is necessary to switch a power module into the charging gun to be detected, first determine the number of the relay to be energized from the corresponding relationships among the charging gun, the power module, and the relay according to the gun number of the charging gun to be detected and the module number of the power module to be switched in. Then send the number of the relay to be energized to the corresponding PDU. The corresponding PDU controls the relay to be energized to be energized according to the number of the relay to be energized, and then controls the power module to be switched in to be in the working state according to the module number of the power module to be switched in.

[0039] It should be noted that the corresponding relationships among the charging gun, the power module, and the relay are preset and will not be elaborated here.

[0040] S140. Determine whether the charging gun to be detected is in the charging state, whether the output power of the charging gun to be detected is less than the required power, whether there is a first power module in the charging system, and whether the priority of the charging gun to be detected is the highest level.

[0041] If the charging gun to be detected is in the charging state, the output power of the charging gun to be detected is less than the required power, there is a first power module in the charging system, and the priority of the charging gun to be detected is the highest level, then execute step S150; if the charging gun to be detected is not in the charging state, and / or the output power of the charging gun to be detected is not less than the required power, and / or there is no first power module in the charging system, and / or the priority of the charging gun to be detected is not the highest level, then stop executing this charging control method.

[0042] The charging gun to be detected being in the charging state indicates that the charging gun to be detected has already charged the charging vehicle, that is, it indicates that a power module has been switched into the charging gun to be detected.

[0043] The priority refers to the priority level of charging determined according to the current power distribution strategy. If the priority of the charging gun is the highest level, it indicates that the charging priority level of the charging gun is the highest.

[0044] S150. Switch at least one first power module into the charging gun to be detected.

[0045] It should be noted that switching the power module into the charging gun has been elaborated in detail above and will not be elaborated here. Switching at least one first power module into the charging gun to be detected is similar to this, and can be deduced therefrom.

[0046] In this embodiment, since the first power module in the charging system is an idle power module that can be switched into the charging gun to be inspected, this charging control method will switch one or at least one idle power module that can be switched into the charging gun to be inspected into the charging gun to be inspected according to different situations only when there is an idle power module that can be switched into the charging gun to be inspected in the charging system. Thus, the configuration update of the power module of the charging gun to be inspected is realized. Therefore, the charging control method of the charging system provided in this application can make itself applicable to the special-shaped matrix charging system.

[0047] In addition, if all the idle power modules in the pure matrix charging system are regarded as the idle power modules in the charging system that can be switched into the charging gun to be inspected, this charging method can also be applicable to the pure matrix charging system. Therefore, this charging method can be compatible with various types of charging systems.

[0048] Since in practical applications, each charging gun in the charging system takes turns to be the charging gun to be inspected, it is equivalent to executing this charging control method on each charging gun in turn. Therefore, it is equivalent to: when there is a charging gun in the charging system in a state to be allocated and there is an idle power module in the charging system that can be connected to this charging gun, switching a corresponding idle power module into this charging gun; when there is a charging gun in the charging system in a charging state, with the output power less than the required power and the highest priority, and there is an idle power module in the charging system that can be connected to this charging gun, switching at least one corresponding idle power module into this charging gun.

[0049] In addition, since when the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, there is a first power module in the charging system, and the priority of the charging gun to be inspected is the highest, at least one first power module is switched into the charging gun to be inspected. Therefore, a power module can be switched into the charging gun to be inspected in time, so as to supplement the output power of the charging gun to be inspected in time. Therefore, the energy distribution of the charging system is optimized.

[0050] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as it can implement step S130 when the charging gun to be inspected in the charging system is in a state to be allocated and there is a first power module in the charging system, and implement step S150 when the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, there is a first power module in the charging system, and the priority of the charging gun to be inspected is the highest, all such implementation manners are within the protection scope of this application. No specific limitation is made here and it can be determined according to specific situations.

[0051] Another embodiment of the present application provides a specific implementation manner of step S150, which is applicable to the following situation: The charging system includes power modules with at least two different rated output powers. The specific process of this implementation manner is as Figure 2 shown, and it specifically includes the following steps:

[0052] S210. Determine whether the difference between the required power of the charging gun to be detected minus the output power is greater than the rated output power of the second power module.

[0053] If the difference between the required power of the charging gun to be detected minus the output power is greater than the rated output power of the second power module, first execute step S220, and then return to execute step S210; if the difference between the required power of the charging gun to be detected minus the output power is less than or equal to the rated output power of the second power module, execute step S230.

[0054] Among them, the second power module is the first power module with the smallest rated output power.

[0055] For example, as Figure 14 shown, when the 1# charging gun is the charging gun to be detected and both the 1# power module and the 3# power module are the first power modules, if the rated output power of the 1# power module is 5kW, the rated output power of the 3# power module is 8kW, and the rated output power of the 4# power module is 20kW, then the 1# power module is the second power module.

[0056] S220. Switch to a first power module whose rated output power is less than and closest to the difference between the required power of the charging gun to be detected minus the output power for the charging gun to be detected.

[0057] For example, as Figure 14 shown, when the 1# charging gun is the charging gun to be detected and the 1# power module, the 3# power module, and the 4# power module are all the first power modules, if the rated output power of the 1# power module is 5kW, the rated output power of the 3# power module is 8kW, the rated output power of the 4# power module is 20kW, and the difference between the required power of the charging gun to be detected minus the output power is 10kW, then the first power module whose rated output power is less than and closest to the difference between the required power of the charging gun to be detected minus the output power is the 3# power module.

[0058] If the 4# power module is switched, the requirement can also be met, but the output power of the 4# power module needs to be limited to 10kW, while the 4# power module can provide a power output of 20kW, thus wasting 10kW. In contrast, the present application can reduce the power waste of the power module.

[0059] It should be noted that the cutting-in of the power module to the charging gun has been described in detail above, and will not be elaborated here. Similarly, a first power module with a rated output power less than and closest to the difference between the required power of the charging gun to be inspected minus the output power is cut into the charging gun to be inspected, and this can be derived therefrom.

[0060] S230. Cut a second power module into the charging gun to be inspected.

[0061] It should be noted that the cutting-in of the power module to the charging gun has been described in detail above, and will not be elaborated here. Similarly, a second power module is cut into the charging gun to be inspected, and this can be derived therefrom.

[0062] In this embodiment, since step S220 is repeatedly executed until the difference between the required power of the charging gun to be inspected minus the output power is less than or equal to the rated output power of the second power module, step S230 is executed. Therefore, the implementation provided in this embodiment not only enables the output power of the charging gun to be inspected after the power module is cut in to meet the required power, but also makes the difference between the output power of the charging gun to be inspected minus the required power the smallest. Thus, the possibility that the output power of the charging gun to be inspected is much greater than the required power is reduced, thereby reducing the power waste of the power module and improving the utilization rate of the module, especially significant for the case where the rated power of the power module in the charging system is relatively large.

[0063] In addition, due to the expansion of old equipment on site, power modules with different rated output powers may be added. Therefore, the method provided in this embodiment can be compatible with power modules with different rated output powers in the charging system.

[0064] The above is only one implementation manner of step S150. In practical applications, it includes but is not limited to this, and no specific limitation is made here. It can be determined according to specific situations, and all are within the protection scope of this application.

[0065] Another embodiment of this application provides another implementation manner of the charging control method of the charging system, and its specific process is as Figure 3 ( Figure 3 shown on the basis of Figure 1 . For the sake of simplifying the view, only steps S310 and S320 are shown, and other steps are omitted). On the basis of any of the above embodiments, this implementation manner further includes the following steps:

[0066] S310. Determine whether the charging gun to be inspected in the charging system is in a to-be-allocated state, whether there is no first power module in the charging system, and whether there is a first target charging gun in the charging system.

[0067] If the charging gun to be inspected in the charging system is in a to-be-allocated state, and there is no first power module in the charging system, and there is a first target charging gun in the charging system, then perform steps S320 and S330; if the charging gun to be inspected in the electrical system is not in a to-be-allocated state, and / or there is a first power module in the charging system, and / or there is no first target charging gun in the charging system, then stop executing this charging control method.

[0068] It should be noted that the charging gun to be inspected, the charging gun to be inspected being in a to-be-allocated state, and the first power module have been described in detail in the above embodiments, and will not be elaborated here.

[0069] Among them, the first target charging gun is a charging gun that is in a charging state, has an idle power module that can be switched in, the number of power modules switched into itself is equal to 1, and there is a third power module among the power modules switched into itself.

[0070] The third power module is a power module in the charging system that can be switched into the charging gun to be inspected. For example, as Figure 14 shown, assuming that the 1# charging gun is the charging gun to be inspected, then the 1# power module to the 6# power module are all third power modules.

[0071] The fourth power module is an idle power module that can be switched into the first target charging gun, that is, the fourth power module is a power module that can be switched into the first target charging gun and is in an idle state. For example, as Figure 14 shown, assuming that the 4# charging gun is the first target charging gun and the 1# power module to the 6# power module are all switched into the 4# charging gun, then the 7# power module to the 12# power module are all fourth power modules.

[0072] For example, as Figure 14 shown, assuming that the 4# charging gun is in a charging state, the 2# power module is switched into the 4# charging gun, the 2# power module is a third power module, and the #7 power module is an idle module and can be switched into the 4# charging gun, then the 4# charging gun is the first target charging gun.

[0073] S320. Cut out a third power module from any first target charging gun and switch at least one fourth power module into the first target charging gun, and switch the third power module cut out from the first target charging gun into the charging gun to be inspected and perform insulation detection on the charging gun to be inspected.

[0074] Cutting out a power module from a charging gun means disconnecting the power module from the charging gun and making the power module in an idle state. Cutting out a third power module from any first target charging gun is similar, and can be deduced therefrom.

[0075] It should be noted that the cutting-in of the power module into the charging gun has been described in detail above and will not be elaborated here. The cutting-in of at least one fourth power module into the first target charging gun is similar, and can be derived therefrom. The cutting-in of the third power module cut out from the first target charging gun into the charging gun to be inspected is similar, and can be derived therefrom. Also, the insulation detection of the charging gun to be inspected has been described in detail in the above embodiments and will not be elaborated here.

[0076] In this embodiment, when the charging gun to be inspected in the charging system is in a to-be-allocated state, there is no first power module in the charging system, and there is a first target charging gun in the charging system, one third power module is cut out from any one of the first target charging guns and cut into the charging gun to be inspected, so that the charging gun to be inspected can perform insulation detection, that is, the charging gun to be inspected can charge the charging vehicle connected thereto, thus optimizing the energy distribution of the charging system, and enabling all charging vehicles connected to the charging system to be charged.

[0077] In addition, the number of power modules cut into the first target charging gun is equal to 1. In this embodiment, when one third power module is cut out from any one of the first target charging guns, at least one fourth power module is also cut into the first target charging gun. Therefore, when the charging gun to be inspected can perform insulation detection, the first target charging gun will not stop charging, thus reducing the impact on the first target charging gun.

[0078] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as the implementation manner that can execute step S320 when the charging gun to be inspected in the charging system is in a to-be-allocated state, there is no first power module in the charging system, and there is a first target charging gun in the charging system is within the protection scope of this application. No specific limitation is made here and it can be determined according to specific situations.

[0079] It should be noted that when steps S310 and S320 coexist with the above steps, the judgments in the two can be split arbitrarily, and the same judgments can also be combined arbitrarily, as long as the situations executed in each step are the same as the above. No specific limitation is made here and it can be determined according to specific situations.

[0080] A specific implementation manner of cutting out one third power module from any one of the first target charging guns in another embodiment of this application specifically includes: cutting out one third power module from the first target charging gun with the lowest priority.

[0081] If the number of the first target charging guns is greater than 1, then sort each of the first target charging guns in descending order of priority, where the last first target charging gun in the sorting is the first target charging gun with the lowest priority. If the number of the first target charging guns is equal to 1, then this first target charging gun is the first target charging gun with the lowest priority.

[0082] It should be noted that the cutting out of the power module from the charging gun has been described in detail above, and will not be elaborated here. Cutting out a third power module from the first target charging gun with the lowest priority is similar, and can be derived therefrom. In addition, the priority has been described in detail above, and will not be elaborated here.

[0083] Since in this example, a third power module is cut out from the first target charging gun with the lowest priority, it makes the energy distribution of the charging system more reasonable, and can better meet the charging requirements of more charging vehicles connected to the charging system, thereby improving the charging efficiency of the charging system.

[0084] The above is only one implementation manner of cutting out a third power module from any one of the first target charging guns. In practical applications, including but not limited to this, no specific limitation is made here, and it can be determined according to specific situations, and all are within the protection scope of this application.

[0085] Another embodiment of this application provides another implementation manner of the charging control method of the charging system, and its specific process is as Figure 4 ( Figure 4 shown on the basis of Figure 3 . For the sake of simplifying the view, only steps S330 to S360 are shown and other steps are omitted). On the basis of any one of the above embodiments, this implementation manner further includes the following steps:

[0086] S330. Judge whether the charging gun to be inspected is in a state to be allocated, and whether there is no first power module in the charging system, and whether there is a second target charging gun in the charging system.

[0087] If the charging gun to be inspected is in a state to be allocated, and there is no first power module in the charging system, and there is a second target charging gun in the charging system, then sequentially execute steps S340 and S350; if the charging gun to be inspected is not in a state to be allocated, and / or there is a first power module in the charging system, and / or there is no second target charging gun in the charging system, then stop executing this charging control method.

[0088] It should be noted that the charging gun to be inspected, the state of the charging gun to be inspected being in a state to be allocated, and the first power module have been described in detail in the above embodiments, and will not be elaborated here.

[0089] The second target charging gun is a charging gun that is in a charging state, has more than one power module switched into it, and has a fifth power module among the power modules switched into it.

[0090] The fifth power module is a power module in the charging system that can be switched into the charging gun to be inspected. For example, as Figure 14 shown, assuming that the 1# charging gun is the charging gun to be inspected, then the 1# power module to the 6# power module are all fifth power modules.

[0091] For example, as Figure 14 shown, assuming that the 4# charging gun is in a charging state, the 2# power module, the 5# power module, and the 6# power module are all switched into the 4# charging gun, and the 2# power module, the 5# power module, and the 6# power module are all fifth power modules, then the 4# charging gun is the second target charging gun.

[0092] S340. Cut out one fifth power module from any second target charging gun, and switch the fifth power module cut out from this second target charging gun into the charging gun to be inspected and perform an insulation test on the charging gun to be inspected.

[0093] It should be noted that switching a power module into a charging gun has been described in detail above and will not be elaborated here. Switching the fifth power module cut out from this second target charging gun into the charging gun to be inspected is similar, and can be derived from this. In addition, cutting out a power module from a charging gun has been described in detail above and will not be elaborated here. Cutting out one fifth power module from any second target charging gun is similar, and can be derived from this. Moreover, performing an insulation test on the charging gun to be inspected has been described in detail in the above embodiments and will not be elaborated here.

[0094] S350. Determine whether there is a sixth power module that can be switched into the second target charging gun.

[0095] If there is a sixth power module that can be switched into the second target charging gun, then execute step S360; if there is no sixth power module that can be switched into the second target charging gun, then stop executing this charging control method.

[0096] The sixth power module is an idle power module that can be switched into the second target charging gun, that is, the sixth power module is a power module that can be switched into the second target charging gun and is in an idle state. For example, as Figure 14 shown, assuming that the 4# charging gun is the second target charging gun, and the 1# power module to the 6# power module are all switched into the 4# charging gun, then the 7# power module to the 12# power module are all sixth power modules.

[0097] S360. Switch at least one sixth power module into the second target charging gun from which the fifth power module has been cut out.

[0098] It should be noted that the insertion of the power module into the charging gun has been described in detail above and will not be elaborated here. Similarly, when inserting at least one sixth power module into the second target charging gun from which the fifth power module is removed, it can be derived accordingly.

[0099] In this embodiment, when the charging gun to be inspected in the charging system is in a state of waiting to be allocated, there is no first power module in the charging system, and there is a second target charging gun in the charging system, one fifth power module is removed from any second target charging gun and inserted into the charging gun to be inspected. As a result, the charging gun to be inspected can perform insulation detection, that is, the charging gun to be inspected can charge the charging vehicle connected to itself, thus optimizing the energy distribution of the charging system, so that all charging vehicles connected to the charging system can be charged.

[0100] In addition, the number of power modules inserted into the second target charging gun is greater than 1. Therefore, even if one fifth power module is removed from any second target charging gun, the second target charging gun will not stop charging, thus reducing the impact on the second target charging gun.

[0101] Furthermore, after step S340, this embodiment determines whether there is a sixth power module that can be inserted into the second target charging gun, and when there is a sixth power module that can be inserted into the second target charging gun, at least one sixth power module is inserted into the second target charging gun from which the fifth power module is removed, so that the impact on the second target charging gun can be further reduced.

[0102] It should be noted that when steps S330 to S360 exist simultaneously with the above steps, the judgments in the two can be split arbitrarily, and the same judgments can also be combined arbitrarily, as long as the situations executed in each step are the same as the above, and no specific limitation is made here and it can be determined according to the specific situation.

[0103] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as it can implement the implementation manner of executing step S340 when the charging gun to be inspected is in a state of waiting to be allocated, there is no first power module in the charging system, and there is a second target charging gun in the charging system, and executing step S350 after step S340, it is within the protection scope of this application. No specific limitation is made here and it can be determined according to the specific situation.

[0104] It should be noted that when steps S330 to S360 exist simultaneously with the above steps, the judgments in the two can be split arbitrarily, and the same judgments can also be combined arbitrarily, as long as the situations executed in each step are the same as the above, and no specific limitation is made here and it can be determined according to the specific situation.

[0105] A specific implementation manner of cutting out a fifth power module from any one of the second target charging guns in another embodiment of the present application specifically includes: cutting out a fifth power module from the second target charging gun with the lowest priority.

[0106] If the number of second target charging guns is greater than 1, then sort each second target charging gun in descending order of priority, where the last second target charging gun in the ranking is the second target charging gun with the lowest priority. If the number of second target charging guns is equal to 1, then this second target charging gun is the second target charging gun with the lowest priority.

[0107] It should be noted that cutting out a power module from a charging gun has been described in detail above and will not be elaborated here. Cutting out a fifth power module from the second target charging gun with the lowest priority is similar, and can be derived therefrom. In addition, the priority has been described in detail above and will not be elaborated here.

[0108] Since in this example, a fifth power module is cut out from the second target charging gun with the lowest priority, it makes the energy distribution of the charging system more reasonable, and can better meet the charging requirements of more charging vehicles accessing the charging system, thereby improving the charging efficiency of the charging system.

[0109] The above is only one implementation manner of cutting out a fifth power module from any one of the second target charging guns. In actual applications, including but not limited to this, no specific limitation is made here, and it can be determined according to specific situations, and all are within the protection scope of the present application.

[0110] Another implementation manner of the charging control method for the charging system provided by another embodiment of the present application, the specific process can be referred to Figure 5 ( Figure 5 Only on the basis of Figure 4 in order to simplify the view, Figure 5 only steps S410 and S420 are shown and other steps are omitted). On the basis of any one of the above embodiments, this implementation manner further includes the following steps:

[0111] S410. Judge whether the charging gun to be inspected is in the charging state, and whether the output power of the charging gun to be inspected is greater than the required power.

[0112] If the charging gun to be inspected is in the charging state and the output power of the charging gun to be inspected is greater than the required power, then execute step S420; if the charging gun to be inspected is not in the charging state, and / or the output power of the charging gun to be inspected is less than or equal to the required power, then stop executing this charging control method.

[0113] S420. Cut out at least one seventh power module from the charging gun to be inspected.

[0114] Among them, the seventh power module is the power module that has been connected to the charging gun to be inspected in the charging system.

[0115] For example, as Figure 14 shown, assuming that the 1# charging gun is the charging gun to be inspected, and the 1# power module, 3# power module, and 4# power module are all connected to the 1# charging gun, then the 1# power module, 3# power module, and 4# power module are all seventh power modules.

[0116] It should be noted that the cutting out of the power module from the charging gun has been described in detail above and will not be elaborated here. Cutting out at least one seventh power module from the charging gun to be inspected is similar, and can be deduced therefrom.

[0117] In this embodiment, since at least one seventh power module is cut out from the charging gun to be inspected when the charging gun to be inspected is in the charging state and the output power of the charging gun to be inspected is greater than the required power, redundant power modules can be timely cut out from the charging gun to be inspected, so that the cut-out power modules can be allocated to the charging guns with demand, thus optimizing the energy distribution of the charging system.

[0118] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as the implementation manner that can sequentially execute step S420 in the corresponding situation is within the protection scope of this application, no specific limitation is made here and it can be determined according to the specific situation.

[0119] It should be noted that when step S410 and step S420 exist simultaneously with the above steps, the judgments in the two can be split arbitrarily, and the same judgments can also be combined arbitrarily, as long as the situations executed in each step are the same as the above, no specific limitation is made here and it can be determined according to the specific situation.

[0120] Another embodiment of this application provides a specific implementation manner of step S420, which is applicable to the following situation: the charging system includes at least two power modules with different rated output powers. The specific process of this implementation manner is as Figure 6 ( Figure 6 shown on the basis of Figure 5 ) and specifically includes the following steps:

[0121] S510. Judge whether the difference between the output power of the charging gun to be inspected minus the required power is greater than the output power of the eighth power module.

[0122] If the difference between the output power of the charging gun to be inspected and the required power is greater than the output power of the eighth power module, then first execute step S520, and then return to execute step S510; if the difference between the output power of the charging gun to be inspected and the required power is less than or equal to the output power of the eighth power module, then stop executing this charging control method.

[0123] Among them, the eighth power module is the seventh power module with the smallest output power.

[0124] For example, as Figure 14 shown, assume that the 1# charging gun is the charging gun to be inspected, and the 1# power module, 3# power module, and 4# power module are all connected to the 1# charging gun. If the output power of the 1# power module is 5kW, the output power of the 3# power module is 8kW, and the output power of the 4# power module is 20kW, then the 1# power module is the eighth power module.

[0125] S520: Disconnect a seventh power module whose output power is less than and closest to the difference between the output power of the charging gun to be inspected and the required power from the charging gun to be inspected.

[0126] For example, as Figure 14 shown, when the 1# charging gun is the charging gun to be inspected and the 1# power module, 3# power module, and 4# power module are all seventh power modules, if the output power of the 1# power module is 5kW, the output power of the 3# power module is 8kW, the output power of the 4# power module is 20kW, and the difference between the required power and the output power of the charging gun to be inspected is 10kW, then the seventh power module whose output power is less than and closest to the difference between the output power of the charging gun to be inspected and the required power is the 3# power module.

[0127] It should be noted that disconnecting the power module from the charging gun has been described in detail above and will not be elaborated here. Disconnecting a seventh power module whose output power is less than and closest to the difference between the output power of the charging gun to be inspected and the required power from the charging gun to be inspected is similar, and can be derived therefrom.

[0128] In this embodiment, since step S520 is repeatedly executed until the difference between the output power of the charging gun to be inspected and the required power is less than or equal to the output power of the eighth power module, then stop executing this charging control method. Therefore, the implementation method provided in this embodiment makes the output power of the charging gun to be inspected after disconnecting the power module greater than the required power, and at the same time makes the difference between the output power of the charging gun to be inspected and the required power the smallest. Therefore, while meeting the charging requirements, it reduces the power waste of the power module, improves the utilization rate of the module, and thus optimizes the energy distribution of the charging system.

[0129] The above is only one implementation of step S420. In actual applications, it includes but is not limited to this. Specific limitations are not made here and can be determined according to specific circumstances, all within the protection scope of this application.

[0130] Another embodiment of this application provides another implementation of the charging control method of the charging system. The specific process can be referred to Figure 7 ( Figure 7 Only on the basis of Figure 6 in order to simplify the view, Figure 7 only steps S610 - S630 are shown and other steps are omitted). On the basis of any of the above embodiments, this implementation further includes the following steps:

[0131] S610. Determine whether the charging gun to be inspected has a liquid cooling label, whether the charging gun to be inspected is in a charging state, and whether the output power of the charging gun to be inspected is less than the required power.

[0132] If the charging gun to be inspected has a liquid cooling label, is in a charging state, and the output power of the charging gun to be inspected is less than the required power, then execute step S620; if the charging gun to be inspected does not have a liquid cooling label, and / or the charging gun to be inspected is not in a charging state, and / or the output power of the charging gun to be inspected is greater than or equal to the required power, then stop executing this charging control method.

[0133] If the charging gun to be inspected has a liquid cooling label, then the charging gun to be inspected uses liquid cooling technology. If the charging gun to be inspected does not have a liquid cooling label, then the charging gun to be inspected does not use liquid cooling technology. Compared with a charging gun without a liquid cooling label, a charging gun with a liquid cooling label allows a greater charging power.

[0134] Generally, a charging gun with a liquid cooling label is connected to at least two PDUs, and each PDU connected to the charging gun with a liquid cooling label is a power module group for the charging gun with a liquid cooling label. For example, as Figure 15 shown, both the 1# charging gun and the 8# charging gun have liquid cooling labels. The 1# - 6# power modules and the 7# - 12# power modules are two power module groups for the 1# charging gun respectively. The 7# - 12# power modules and the 13# - 18# power modules are two power module groups for the 8# charging gun respectively.

[0135] It should be noted that the charging state of the charging gun to be inspected has been described in detail in the above embodiments and will not be elaborated here.

[0136] S620. Determine whether there is a ninth power module in the charging system.

[0137] If there is a ninth power module in the charging system, first execute step S630, and then return to execute step S610; if there is no ninth power module in the charging system, stop executing this charging control method.

[0138] Among them, the ninth power module is the idle power module in the power module grouping of the to-be-tested charging gun, that is, the ninth power module is the power module in the power module grouping of the to-be-tested charging gun that is in an idle state.

[0139] For example, as Figure 15 shown, assume that the 1# charging gun is the to-be-tested charging gun, and the 1# power module, 2# power module, 7# power module, and 8# power module are switched into the to-be-tested charging gun, then the 3# power module to 6# power module, 9# power module to 12# power module are all ninth power modules.

[0140] S630: With the maximum allowable current of each power module grouping of the to-be-tested charging gun as the limit, switch at least one ninth power module into the to-be-tested charging gun.

[0141] It should be noted that switching power modules into the charging gun has been described in detail above and will not be elaborated here. Switching at least one ninth power module into the to-be-tested charging gun is similar to this, and can be derived from this.

[0142] In the charging system, all the power modules in the power module grouping of the to-be-tested charging gun share a path to be connected to the to-be-tested charging gun, and the path current is limited by the material and cannot be infinitely large, so the power module grouping of the to-be-tested charging gun has a maximum allowable current. The maximum allowable current of the power module grouping of the to-be-tested charging gun refers to: the maximum current allowed by the path between the power module grouping of the to-be-tested charging gun and the to-be-tested charging gun.

[0143] With the maximum allowable current of each power module grouping of the to-be-tested charging gun as the limit, switching at least one ninth power module into the to-be-tested charging gun means that: one ninth power module, two ninth power modules, or multiple ninth power modules can be switched into the to-be-tested charging gun, but it is necessary to ensure that: the total current between each power module grouping and the to-be-tested charging gun cannot be greater than the maximum allowable current of each power module grouping of the to-be-tested charging gun.

[0144] If the output powers of all the power modules in the charging system are equal, then the maximum allowable current of the power module grouping of the to-be-tested charging gun is characterized by the maximum number of power modules that can be switched into the power module grouping of the to-be-tested charging gun.

[0145] Among them, the maximum number of power modules allowed to be cut into the power module group of the charging gun to be inspected refers to: in the power module group of the charging gun to be inspected, the maximum number of power modules allowed to be cut into the charging gun to be inspected. For example, if the maximum number of power modules allowed to be cut into the power module group of the charging gun to be inspected is 4, then in the power module group of the charging gun to be inspected, at most four power modules are allowed to be cut into the charging gun to be inspected.

[0146] Taking the maximum number of power modules allowed to be cut into each power module group of the charging gun to be inspected as a limit, cutting at least one ninth power module into the charging gun to be inspected means that: one ninth power module, two ninth power modules or multiple ninth power modules can be cut into the charging gun to be inspected, but it is necessary to ensure that: in each power module group, the total number of power modules cut into the charging gun to be inspected cannot be greater than the maximum number of power modules allowed to be cut into each power module group.

[0147] For example, as Figure 15 shown, assuming that the 1# charging gun is the charging gun to be inspected, the maximum number of power modules allowed to be cut into the power module group of the charging gun to be inspected is 4, and the 1# power module and the 2# power module have been cut into the 1# charging gun. In order to ensure that in each power module group, the total number of power modules cut in cannot be greater than the maximum number of power modules allowed to be cut into each power module group, then among the 1# power module to the 6# power module, at most two of them can be cut into the charging gun to be inspected, and among the 7# power module to the 12# power module, at most four of them can be cut into the charging gun to be inspected.

[0148] In practical applications, the maximum number of power modules allowed to be cut into the power module group of the charging gun to be inspected can be calculated according to the following two formulas:

[0149] Output current of a single power module = Rated power of a single power module ÷ Bus voltage

[0150] The maximum number of power modules allowed to be cut into the power module group of the charging gun to be inspected = Maximum allowable current of the power module group of the charging gun to be inspected ÷ Output current of a single power module

[0151] In this embodiment, when the charging gun to be inspected has a liquid cooling mark, the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, and there is a ninth power module in the charging system, taking the maximum allowable current of each power module group of the charging gun to be inspected as a limit, cutting at least one ninth power module into the charging gun to be inspected, so this charging control method can be compatible with liquid cooling charging, thereby improving the compatibility of the charging system.

[0152] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as the implementation manner that can execute step S630 in the corresponding situation is within the protection scope of this application, no specific limitation is made here and it can be determined according to the specific situation.

[0153] It should be noted that when steps S610 to S630 exist simultaneously with the above steps, the judgments in the two can be split arbitrarily, and the same judgments can also be merged arbitrarily, as long as the situations executed in each step are the same as the above, no specific limitation is made here and it can be determined according to the specific situation.

[0154] Another embodiment of this application provides another implementation manner of the charging control method of the charging system, and its specific process is as Figure 8 ( Figure 8 shown on the basis of). In the case where it is determined in the previous implementation manner that there is no ninth power module in the charging system, the following steps are further included: Figure 7

[0155] S640. Determine whether there is a third target charging gun in the charging system.

[0156] If there is a third target charging gun in the charging system, first execute step S650, and then return to execute step S610; if there is no third target charging gun in the charging system, stop executing this charging control method.

[0157] Among them, the third target charging gun is a charging gun that is in a charging state, has a tenth power module in the power modules switched into itself, the number of power modules switched into itself is greater than 1, and does not carry a liquid cooling identifier.

[0158] Figure 15 The tenth power module is a power module in the charging system that can be switched into the charging gun to be inspected. For example, as shown, assuming that the 1# charging gun is the charging gun to be inspected, then the 1# power module to the 6# power module and the 7# power module to the 12# power module are all tenth power modules.

[0159] Figure 15 For example, as shown, assuming that the 1# power module, the 3# power module, and the 4# power module are all switched into the 1# charging gun, the 2# power module, the 5# power module, and the 6# power module are all switched into the 4# charging gun, that is, the 4# charging gun is in a charging state, the 1# charging gun is the charging gun to be inspected, and the 4# charging gun is a charging gun without a liquid cooling indication, then the 4# charging gun is the third target charging gun.

[0160] It should be noted that the charging gun to be inspected with a liquid cooling identifier and the charging gun to be inspected being in a charging state have been described in detail above, and will not be elaborated here.

[0161] Taking the maximum allowable current of each power module group of the charging gun to be inspected as the limit, cut out a tenth power module from any third target charging gun and cut the tenth power module cut out from the third target charging gun into the charging gun to be inspected.

[0162] It should be noted that the maximum allowable current of the power module group of the charging gun to be inspected has been described in detail above and will not be elaborated here.

[0163] If the output powers of all power modules in the charging system are equal, the maximum allowable current of the power module group of the charging gun to be inspected is characterized by the maximum allowable number of power modules that can be cut into the power module group of the charging gun to be inspected.

[0164] It should be noted that the maximum allowable number of power modules that can be cut into the power module group of the charging gun to be inspected has been described in detail above and will not be elaborated here.

[0165] Taking the maximum allowable number of power modules that can be cut into each power module group of the charging gun to be inspected as the limit, cutting out a tenth power module from any third target charging gun and cutting the tenth power module cut out from the third target charging gun into the charging gun to be inspected means that: a tenth power module can be cut out from any third target charging gun and the tenth power module cut out from the third target charging gun can be cut into the charging gun to be inspected, but it is necessary to ensure that: in each power module group, the total number of power modules cut into the charging gun to be inspected cannot be greater than the maximum allowable number of power modules that can be cut into each power module group.

[0166] For example, as Figure 15 shown, assume that the 1# charging gun is the charging gun to be inspected, the maximum allowable number of power modules that can be cut into the power module group of the charging gun to be inspected is 3, the 1# power module, 3# power module, and 4# power module have been cut into the 1# charging gun, the 4# charging gun and 6# charging gun are both third target charging guns, the 2# power module, 5# power module, and 6# power module are all cut into the 4# charging gun, and, the 7# power module, 8# power module, and 9# power module are all cut into the 6# charging gun. Then, in order to ensure that in each power module group, the total number of power modules cut in cannot be greater than the maximum allowable number of power modules that can be cut into each power module group, one of the 7# power module, 8# power module, and 9# power module can be cut into the charging gun to be inspected, but one of the 2# power module, 5# power module, and 6# power module cannot be cut into the charging gun to be inspected.

[0167] It should be noted that the cutting out of the power module from the charging gun has been described in detail above and will not be elaborated here. Cutting out a tenth power module from any third target charging gun is similar, and can be derived therefrom.

[0168] It should be noted that the cutting in of the power module into the charging gun has been described in detail above and will not be elaborated here. Cutting in the tenth power module cut out from the third target charging gun into the charging gun to be inspected is similar, and can be derived therefrom.

[0169] In this embodiment, when the charging gun to be inspected has a liquid cooling label, the charging gun to be inspected is in a charging state, and the output power of the charging gun to be inspected is less than the required power, if there is no ninth power module in the charging system and there is a third target charging gun in the charging system, then taking the maximum allowable current of each power module group of the charging gun to be inspected as a limit, cutting out a tenth power module from any third target charging gun and cutting in the tenth power module cut out from the third target charging gun into the charging gun to be inspected. Therefore, when the charging gun to be inspected has a liquid cooling label, the charging requirement of the charging gun to be inspected can be ensured as much as possible, so that the charging gun with a liquid cooling label can exert its maximum charging capacity as much as possible, thus optimizing the use experience of the charging gun with a liquid cooling label.

[0170] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as the implementation manner that can execute step S650 in the corresponding situation is within the protection scope of this application, no specific limitation is made here and it can be determined according to the specific situation.

[0171] Another embodiment of this application provides another implementation manner of the charging control method of the charging system, and its specific process is as Figure 9 ( Figure 9 shown on the basis of Figure 8 ). In the case where it is determined in the previous implementation manner that there is no third target charging gun in the charging system, this implementation manner further includes the following steps:

[0172] S660. Determine whether there is a fourth target charging gun in the charging system.

[0173] If there is a fourth target charging gun in the charging system, first execute step S670, and then return to execute step S610; if there is no fourth target charging gun in the charging system, stop executing this charging control method.

[0174] Among them, the fourth target charging gun is a charging gun that is in a charging state, has a tenth power module among the power modules cut into itself, the number of power modules cut into itself is greater than 1, has a liquid cooling label and a priority lower than that of the charging gun to be inspected.

[0175] For example, as Figure 15 shown, assume that the 1# power module, 3# power module, and 4# power module are all connected to the 1# charging gun, and the 7# power module, 9# power module, and 10# power module are all connected to the 8# charging gun. That is, the 8# charging gun is in the charging state, the 1# charging gun is the charging gun to be inspected, the 8# charging gun is the charging gun with liquid cooling identification, and the priority of the 1# charging gun is higher than that of the 8# charging gun. Then, the 8# charging gun is the fourth target charging gun.

[0176] It should be noted that the priority has been described in detail above and will not be elaborated here.

[0177] S670. With the maximum allowable current of each power module group of the charging gun to be inspected as the limit, cut out a tenth power module from any fourth target charging gun and cut the tenth power module cut out from the fourth target charging gun into the charging gun to be inspected.

[0178] It should be noted that the maximum allowable current of each power module group of the charging gun to be inspected has been described in detail above and will not be elaborated here.

[0179] If the output powers of all power modules in the charging system are equal, then the maximum allowable number of power modules that can be cut into each power module group of the charging gun to be inspected is used to represent the maximum allowable current of each power module group of the charging gun to be inspected.

[0180] It should be noted that the maximum allowable number of power modules that can be cut into each power module group of the charging gun to be inspected has been described in detail above and will not be elaborated here.

[0181] With the maximum allowable number of power modules that can be cut into each power module group of the charging gun to be inspected as the limit, cutting out a tenth power module from any fourth target charging gun and cutting the tenth power module cut out from the fourth target charging gun into the charging gun to be inspected means that: a tenth power module can be cut out from any fourth target charging gun and the tenth power module cut out from the fourth target charging gun can be cut into the charging gun to be inspected, but it is necessary to ensure that: in each power module group, the total number of power modules cut into the charging gun to be inspected cannot be greater than the maximum allowable number of power modules that can be cut into each power module group.

[0182] For example, as Figure 15As shown in the figure, assume that the 1# charging gun is the charging gun to be inspected. The maximum number of power modules that can be cut into for the power module grouping of the charging gun to be inspected is 3. The 1# power module, 3# power module, and 4# power module have been cut into the 1# charging gun. The 8# charging gun is the fourth target charging gun, and the 7# power module, 9# power module, and 10# power module are all cut into the 8# charging gun. Then, to ensure that in each power module grouping, the total number of power modules cut in does not exceed the maximum number of power modules that can be cut into for each power module grouping, one of the 7# power module, 9# power module, and 10# power module can be cut into the charging gun to be inspected.

[0183] It should be noted that the cutting out of power modules from the charging gun has been described in detail above and will not be elaborated here. Cutting out a tenth power module from any fourth target charging gun is similar, and this can be derived from the above.

[0184] It should be noted that the cutting in of power modules into the charging gun has been described in detail above and will not be elaborated here. Cutting the tenth power module cut out from this fourth target charging gun into the charging gun to be inspected is similar, and this can be derived from the above.

[0185] In this embodiment, when the charging gun to be inspected has a liquid cooling label, the charging gun to be inspected is in a charging state, and the output power of the charging gun to be inspected is less than the required power, if there is no ninth power module in the charging system, there is no third target charging gun in the charging system, and there is a fourth target charging gun in the charging system, then with the maximum allowable current of each power module grouping of the charging gun to be inspected as the limit, cut out a tenth power module from any fourth target charging gun and cut the tenth power module cut out from this fourth target charging gun into the charging gun to be inspected. Therefore, when the charging gun to be inspected has a liquid cooling label, the charging requirements of the charging gun to be inspected with a higher priority can be ensured as much as possible, so as to ensure as much as possible that the charging gun with a higher priority and a liquid cooling label can exert its maximum charging capacity, thus further optimizing the use experience of the charging gun with a liquid cooling label.

[0186] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as the implementation manner that can execute step S670 under corresponding circumstances is within the protection scope of this application, no specific limitation is made here and it can be determined according to specific circumstances.

[0187] A specific implementation manner of step S650 in another embodiment of this application specifically includes: with the maximum allowable current of each power module grouping of the charging gun to be inspected as the limit, cut out a tenth power module from the third target charging gun with the lowest priority and cut the tenth power module cut out from the third target charging gun with the lowest priority into the charging gun to be inspected.

[0188] If the number of the third target charging guns is greater than 1, then sort each of the third target charging guns in descending order of priority, where the last third target charging gun in the sorting is the third target charging gun with the lowest priority. If the number of the third target charging guns is equal to 1, then this third target charging gun is the third target charging gun with the lowest priority.

[0189] It should be noted that the cutting out of power modules from the charging guns has been described in detail above, and will not be elaborated here. Cutting out a tenth power module from the third target charging gun with the lowest priority is similar, and can be derived therefrom.

[0190] It should be noted that the cutting in of power modules into the charging guns has been described in detail above, and will not be elaborated here. Cutting in the tenth power module cut out from the third target charging gun with the lowest priority into the charging gun to be inspected is similar, and can be derived therefrom.

[0191] Since in this example, the tenth power module is cut out from the third target charging gun with the lowest priority, it makes the energy distribution of the charging system more reasonable, and can better meet the charging requirements of more charging vehicles connected to the charging system, thereby improving the charging efficiency of the charging system.

[0192] The above is only one implementation manner of step S650. In practical applications, including but not limited to this, no specific limitation is made here, and it can be determined according to specific situations, and all are within the protection scope of this application.

[0193] A specific implementation manner of step S670 in another embodiment of this application specifically includes: taking the maximum allowable current of each power module group of the charging gun to be inspected as a limit, cutting out a tenth power module from the fourth target charging gun with the lowest priority and cutting in the tenth power module cut out from the fourth target charging gun with the lowest priority into the charging gun to be inspected.

[0194] If the number of the fourth target charging guns is greater than 1, then sort each of the fourth target charging guns in descending order of priority, where the last fourth target charging gun in the sorting is the fourth target charging gun with the lowest priority. If the number of the fourth target charging guns is equal to 1, then this fourth target charging gun is the fourth target charging gun with the lowest priority.

[0195] It should be noted that the cutting out of power modules from the charging guns has been described in detail above, and will not be elaborated here. Cutting out a tenth power module from the fourth target charging gun with the lowest priority is similar, and can be derived therefrom.

[0196] It should be noted that the cutting-in of the power module into the charging gun has been described in detail above and will not be elaborated here. The cutting-in of the tenth power module cut out from the fourth target charging gun with the lowest priority into the charging gun to be inspected is similar, and can be deduced therefrom.

[0197] Since in this example, the tenth power module is cut out from the fourth target charging gun with the lowest priority, it makes the energy distribution of the charging system more reasonable, and can better meet the charging needs of more charging vehicles connected to the charging system, thereby improving the charging efficiency of the charging system.

[0198] The above is only one implementation manner of step S670. In practical applications, including but not limited to this, no specific limitation is made here, and it can be determined according to specific circumstances, and all are within the protection scope of this application.

[0199] Another embodiment of this application provides another implementation manner of the charging control method of the charging system. The specific process can be referred to Figure 10 ( Figure 10 Only shown on the basis of Figure 9 For the sake of simplifying the view, Figure 10 Only steps S710 and S720 are shown and other steps are omitted). On the basis of any of the above implementation manners, this implementation manner further includes the following steps:

[0200] S710. Judge whether a discharge instruction is received and whether there is an eleventh power module in the charging system.

[0201] If a discharge instruction is received and there is an eleventh power module in the charging system, then execute step S720; if a discharge instruction is not received and / or there is no eleventh power module in the charging system, then stop executing this charging control method.

[0202] The discharge instruction is an instruction for instructing a certain charging gun to make the vehicle connected thereto discharge to the power grid connected to the charging system. In addition, the charging gun instructed to make the vehicle connected thereto discharge to the power grid connected to the charging system is the charging gun to be discharged.

[0203] The eleventh power module is a power module in the charging system that can be cut into the charging gun to be discharged, is in an idle state, and can perform charging and discharging.

[0204] For example, as Figure 16 shown, assuming that the 2# charging gun is the charging gun to be discharged, the 5# power module is in an idle state, and the 5# power module is a power module that can perform charging and discharging, then the 5# power module is the eleventh power module.

[0205] S720. Cut at least one eleventh power module into the charging gun to be discharged.

[0206] It should be noted that the power module cut into the charging gun has been described in detail above and will not be elaborated here. The process of cutting at least one eleventh power module into the charging gun to be discharged is similar, and can be deduced therefrom.

[0207] In the above embodiment, at least one eleventh power module is cut into the charging gun to be discharged when a charging instruction is received and there is an eleventh power module in the charging system. Therefore, the charging gun to be discharged can discharge to the power grid, and thus the charging control method can be compatible with V2G charging, thereby improving the compatibility of the charging system.

[0208] The above is only a specific implementation manner of the charging control method of the charging system. In practical applications, including but not limited to this, as long as it can implement the implementation manner of executing step S720 when a discharge instruction is received and there is an eleventh power module in the charging system, it is within the protection scope of this application. No specific limitation is made here and it can be determined according to specific circumstances.

[0209] Another embodiment of this application provides another implementation manner of the charging control method of the charging system, and its specific process is as Figure 11 ( Figure 11 Only shown based on Figure 10 For the sake of simplifying the view, Figure 10 Only steps S710, S720, S810 and S820 are shown and other steps are omitted) as shown. On the basis of any of the above embodiments, this implementation manner further includes the following steps:

[0210] S810. Determine whether a discharge instruction is received, and whether there is no twelfth power module in the charging system, and whether there is a thirteenth power module in the charging system.

[0211] If a discharge instruction is received, and there is no twelfth power module in the charging system, and there is a thirteenth power module in the charging system, then execute step S820; if a discharge instruction is not received, and / or there is a twelfth power module in the charging system, and / or there is no thirteenth power module in the charging system, then stop executing this charging control method.

[0212] The twelfth power module is a power module in the charging system that can be cut into the charging gun to be discharged, is in an idle state, and can perform charging and discharging.

[0213] For example, as Figure 16 shown, assume that the 2# charging gun is the charging gun to be discharged, the 5# power module is in an idle state, and the 5# power module is a power module that can perform charging and discharging, then the 5# power module is the eleventh power module.

[0214] The thirteenth power module is a power module that can cut into the charging gun to be placed, is in a charging state, and can perform charging and discharging.

[0215] For example, as Figure 16 shown, assume that the 2# charging gun is the charging gun to be placed. Before receiving the discharge instruction, the 5# power module has cut into the 3# charging gun. And the 5# power module is a power module that can perform charging and discharging. Then the 5# power module is the thirteenth power module.

[0216] It should be noted that the discharge instruction has been described in detail in the above embodiments and will not be elaborated here.

[0217] S820: Cut out at least one thirteenth power module and cut the cut-out thirteenth power module into the charging gun to be placed.

[0218] It should be noted that cutting out the power module from the charging gun has been described in detail above and will not be elaborated here. Cutting out at least one thirteenth power module and cutting it into the charging gun to be placed is similar, and can be derived therefrom.

[0219] In this embodiment, when receiving the discharge instruction, there is no twelfth power module in the charging system, and there is a thirteenth power module in the charging system, cut out at least one thirteenth power module and cut the cut-out thirteenth power module into the charging gun to be placed. Therefore, it is possible to realize the discharge of the charging gun to be placed to the power grid as much as possible.

[0220] The above is only a specific implementation manner of the charging control method of the charging system. In actual applications, including but not limited to this, as long as it can implement the implementation manner of executing step S820 when receiving the discharge instruction, there is no twelfth power module in the charging system, and there is a thirteenth power module in the charging system, it is within the protection scope of this application. No specific limitation is made here and it can be determined according to specific circumstances.

[0221] It should be noted that S710, S720, S810, and S820 can appear in the same implementation manner at the same time, and S710 and S810 can be separated, or separated first and then combined. As long as it can ensure that the implementation manner of executing step S720 when receiving the discharge instruction and there is an eleventh power module in the charging system, and executing step S820 when receiving the discharge instruction, there is no twelfth power module in the charging system, and there is a thirteenth power module in the charging system is within the protection scope of this application. No specific limitation is made here and it can be determined according to specific circumstances.

[0222] Another embodiment of this application provides another implementation manner of the charging control method of the charging system. The specific process can be seen in Figure 12 ( Figure 12 Only inFigure 11 (shown on the basis of this). After the configuration update of the power module for the charging gun to be discharged in the above two embodiments, the following steps are further included:

[0223] S910. Adjust the discharge power of the power module switched into the charging gun to be discharged according to the required power of the charging gun to be discharged.

[0224] The configuration update of the power module for the charging gun to be discharged means: switching a power module into the charging gun to be discharged, or switching a power module out of the charging gun to be discharged. For example, step S720, step S820.

[0225] It should be noted that adjusting the discharge power of the power module switched into the charging gun to be discharged according to the required power of the charging gun to be discharged is already very mature in the prior art, and details thereof will not be elaborated herein.

[0226] The above is only a specific embodiment of the charging control method of the charging system. In practical applications, including but not limited to this, all are within the protection scope of this application, and no specific limitation is made here, which can be determined according to specific circumstances.

[0227] Another embodiment of this application provides a charging system, and its specific structure can be referred to Figures 13 - 16 ( Figures 13 - 16 In, for the sake of simplifying the view, the specific structure of the PDU and the controller are not shown), specifically including: a controller, at least two power modules, N PDUs, and at least two charging guns. N is a positive integer.

[0228] One PDU is connected to the first side of each power module.

[0229] If the charging system is a pure matrix charging system, then each charging gun is connected to M PDUs.

[0230] If the charging system is a special-shaped matrix charging system, then each charging gun is connected to at least one PDU.

[0231] All the power modules and all the PDUs are controlled by the controller, and the controller is used to execute the charging control method of the charging system in any of the above embodiments.

[0232] If each charging gun is connected to M PDUs, then as Figure 13 shown.

[0233] In Figure 13 , the number of power modules is equal to 12, the number of charging guns is equal to 6, N = 2, and the specific structure of the charging system is as follows:

[0234] Power module 1# to 6# are all connected to the first PDU 01, and the first PDU 01 is respectively connected to charging guns 1# to 6#. Power modules 7# to 12# are all connected to the second PDU 02, and the second PDU 02 is respectively connected to charging guns 1# to 6#.

[0235] If each charging gun is connected to at least one PDU, then as Figure 14 , Figure 15 or Figure 16 shown.

[0236] In Figure 14 , the number of power modules is equal to 12, the number of charging guns is equal to 9, N = 2, and the specific structure of the charging system is as follows:

[0237] Power modules 1# to 6# are all connected to the first PDU 01, and the first PDU is respectively connected to charging guns 1# to 6#. Power modules 7# to 12# are all connected to the second PDU 02, and the second PDU 02 is respectively connected to charging guns 4# to 9#.

[0238] In Figure 15 , the number of power modules is equal to 18, the number of charging guns is equal to 13, N = 3, and the specific structure of the charging system is as follows:

[0239] Power modules 1# to 6# are all connected to the first PDU 01, and the first PDU is respectively connected to charging gun 5#, and charging guns 1# to 4#. Power modules 7# to 12# are all connected to the second PDU 02, and the second PDU 02 is respectively connected to charging gun 1#, and charging guns 5# to 9#. Power modules 13# to 18# are all connected to the third PDU 03, and the second PDU02 is respectively connected to charging guns 8# to 13#.

[0240] In Figure 16 , the number of power modules is equal to 12, the number of charging guns is equal to 9, N = 2, and the specific structure of the charging system is as follows:

[0241] Power modules 1# to 6# are all connected to the first PDU 01, and the first PDU is respectively connected to charging guns 1# to 5#. Power modules 7# to 12# are all connected to the second PDU 02, and the second PDU 02 is respectively connected to charging gun 1#, and charging guns 5# to 9#.

[0242] If the charging gun is a charging gun with a liquid cooling label, then the charging gun is connected to at least two PDUs. For example, Figure 15 in, charging guns 1# and 8# are both charging guns with a liquid cooling label, Figure 15Both the 1# charging gun and the 8# charging gun in [description] are connected to two PDUs. For another example, Figure 16 the 1# charging gun in [description] is a charging gun with a liquid cooling label, Figure 16 the 1# charging gun in [description] is connected to two PDUs.

[0243] If the charging gun is a V2G charging gun, at least one power module connected to the charging gun is a power module capable of charging and discharging. For example, Figure 16 the 2# charging gun in [description] is a V2G charging gun, Figure 16 the 2# charging gun in [description] is connected to Figure 16 the 5# power module in [description], Figure 16 and the 5# power module in [description] is a power module capable of charging and discharging.

[0244] Regarding the above description of the disclosed embodiments, the features described in each embodiment of this specification can be replaced or combined with each other, enabling those skilled in the art to implement or use this application. As described above, it is only a preferred embodiment of the present invention and does not impose any form of limitation on the present invention. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make many possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes, without departing from the scope of the technical solution of the present invention. Therefore, any simple modification, equivalent change, and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A charging control method for a charging system, characterized in that Including: When the charging gun to be inspected in the charging system is in a to-be-allocated state and there is a first power module in the charging system, switch the first power module to the charging gun to be inspected and perform an insulation detection on the charging gun to be inspected; the first power module is an idle power module in the charging system that can be switched to the charging gun to be inspected; When the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, there is the first power module in the charging system, and the priority of the charging gun to be inspected is the highest level, switch at least one of the first power modules to the charging gun to be inspected.

2. The charging control method of the charging system according to claim 1, characterized in that The charging system includes power modules with at least two different rated output powers. Switching at least one of the first power modules to the charging gun to be inspected includes: Judging whether the difference between the required power of the charging gun to be inspected minus the output power is greater than the rated output power of the second power module; the second power module is the first power module with the smallest rated output power; If the difference between the required power of the charging gun to be inspected minus the output power is greater than the rated output power of the second power module, first switch to the charging gun to be inspected a first power module whose rated output power is less than and closest to the difference between the required power of the charging gun to be inspected minus the output power, and then return to execute the step of judging whether the difference between the required power and the output power of the charging gun to be inspected is greater than the output power of the second power module; If the difference between the required power of the charging gun to be inspected minus the output power is less than or equal to the rated output power of the second power module, switch a second power module to the charging gun to be inspected.

3. The charging control method of the charging system according to claim 1, characterized in that, It further includes: When the charging gun to be inspected is in a to-be-allocated state, there is no first power module in the charging system, and there is a first target charging gun in the charging system, cut out a third power module from any one of the first target charging guns and switch at least one fourth power module to the first target charging gun, and switch the third power module cut out from the first target charging gun to the charging gun to be inspected and perform an insulation detection on the charging gun to be inspected; the first target charging gun is a charging gun that is in a charging state by itself, has an idle power module that can be switched in, the number of power modules switched into itself is equal to 1, and there is the third power module among the power modules switched into itself; the third power module is a power module in the charging system that can be switched to the charging gun to be inspected; the fourth power module is an idle power module that can be switched to the first target charging gun.

4. The charging control method of the charging system according to claim 3, wherein Cutting out a third power module from any one of the first target charging guns includes: Cutting out a third power module from the first target charging gun with the lowest priority.

5. The charging control method of the charging system according to claim 1, wherein It further includes: When the charging gun to be inspected is in a to-be-allocated state, there is no first power module in the charging system, and there is a second target charging gun in the charging system, cut out a fifth power module from any one of the second target charging guns, and cut into the charging gun to be inspected the fifth power module cut out from the second target charging gun and perform an insulation detection on the charging gun to be inspected; the second target charging gun is a charging gun that is in a charging state, the number of power modules cut into itself is greater than 1, and the fifth power module exists among the power modules cut into itself; the fifth power module is a power module in the charging system that can be cut into the charging gun to be inspected. Judge whether there is a sixth power module that can be cut into the second target charging gun; the sixth power module is an idle power module that can be cut into the second target charging gun. If there is a sixth power module that can be cut into the second target charging gun, cut into the second target charging gun that cut out the fifth power module at least one of the sixth power modules.

6. The charging control method of the charging system according to claim 5, characterized in that, Cutting out a fifth power module from any one of the second target charging guns includes: Cut out a fifth power module from the second target charging gun with the lowest priority.

7. The charging control method of the charging system according to claim 1, characterized in that, It also includes: When the charging gun to be inspected is in a charging state and the output power of the charging gun to be inspected is greater than the required power, cut out at least one seventh power module from the charging gun to be inspected; The seventh power module is a power module that has been cut into the charging gun to be inspected in the charging system.

8. The charging control method of the charging system according to claim 7, wherein The charging system includes power modules with at least two different rated output powers. Cutting out at least one seventh power module from the charging gun to be inspected includes: Judge whether the difference between the output power of the charging gun to be inspected minus the required power is greater than the output power of the eighth power module; the eighth power module is the seventh power module with the smallest output power. If the difference between the output power of the charging gun to be inspected minus the required power is greater than the output power of the eighth power module, first cut out from the charging gun to be inspected a seventh power module whose output power is less than and closest to the difference between the output power of the charging gun to be inspected minus the required power, and then return to execute the step of judging whether the difference between the output power of the charging gun to be inspected minus the required power is greater than the output power of the eighth power module.

9. The charging control method of the charging system according to any one of claims 1 to 8, characterized in that It also includes: When the charging gun to be inspected has a liquid cooling label, the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, and there is a ninth power module in the charging system, limit by the maximum allowable current of each power module group of the charging gun to be inspected, cut into the charging gun to be inspected at least one of the ninth power modules; the ninth power module is an idle power module in the power module group of the charging gun to be inspected.

10. The charging control method of the charging system according to claim 9, wherein After cutting into the charging gun to be inspected at least one of the ninth power modules, it also includes: When the charging gun to be inspected has a liquid cooling mark, the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, the ninth power module does not exist in the charging system, and the third target charging gun exists in the charging system, one tenth power module is cut out from any one of the third target charging guns with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and the tenth power module cut out from the third target charging gun is cut into the charging gun to be inspected; the third target charging gun is a charging gun that is in a charging state, has the tenth power module among the power modules cut into itself, has a number of power modules cut into itself greater than 1, and does not have a liquid cooling mark; the tenth power module is a power module in the charging system that can be cut into the charging gun to be inspected.

11. The charging control method of the charging system according to claim 10, wherein Cutting out one tenth power module from any one of the third target charging guns with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and cutting the tenth power module cut out from the third target charging gun into the charging gun to be inspected includes: Cutting out one tenth power module from the third target charging gun with the lowest priority with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and cutting the tenth power module cut out from the third target charging gun with the lowest priority into the charging gun to be inspected.

12. The charging control method of the charging system according to claim 10, characterized in that, After cutting out at least one tenth power module from any one of the third target charging guns and cutting the tenth power module cut out from the third target charging gun into the charging gun to be inspected, it further includes: When the charging gun to be inspected has a liquid cooling mark, the charging gun to be inspected is in a charging state, the output power of the charging gun to be inspected is less than the required power, the ninth power module does not exist in the charging system, the third target charging gun does not exist in the charging system, and the fourth target charging gun exists in the charging system, one tenth power module is cut out from any one of the fourth target charging guns with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and the tenth power module cut out from the fourth target charging gun is cut into the charging gun to be inspected; the fourth target charging gun is a charging gun that is in a charging state, has the tenth power module among the power modules cut into itself, has a number of power modules cut into itself greater than 1, has a liquid cooling mark, and has a lower priority than the charging gun to be inspected.

13. The charging control method of the charging system according to claim 12, characterized in that, Cutting out one tenth power module from any one of the fourth target charging guns with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and cutting the tenth power module cut out from the fourth target charging gun into the charging gun to be inspected includes: Cutting out one tenth power module from the fourth target charging gun with the lowest priority with the maximum allowable current of each power module group of the charging gun to be inspected as the limit, and cutting the tenth power module cut out from the fourth target charging gun with the lowest priority into the charging gun to be inspected.

14. The charging control method of the charging system according to any one of claims 1 to 8, characterized in that, It further includes: When a discharge command is received and there is an eleventh power module in the charging system, at least one of the eleventh power modules is cut into the charging gun to be discharged in the charging system; the eleventh power module is a power module in the charging system that can be cut into the charging gun to be discharged, is in an idle state, and can perform charge and discharge.

15. The charging control method of the charging system according to claim 14, characterized in that, After the charging gun to be discharged completes the configuration update of the power module, it further includes: Adjust the discharge power of the power module cut into the charging gun to be discharged according to the required power of the charging gun to be discharged.

16. The charging control method of the charging system according to any one of claims 1 to 8, characterized in that, It further includes: When a discharge command is received, there is no twelfth power module in the charging system, and there is a thirteenth power module in the charging system, at least one of the thirteenth power modules is cut out and the cut-out thirteenth power module is cut into the charging gun to be discharged; the twelfth power module is a power module in the charging system that can be cut into the charging gun to be discharged, is in an idle state, and can perform charge and discharge; the thirteenth power module is a power module in the charging system that can be cut into the charging gun to be discharged, is in a charging state, and can perform charge and discharge.

17. A charging system, characterized in that, It includes: A controller, at least two power modules, N PDUs, and at least two charging guns; N is a positive integer; where: One of the PDUs is connected to the first side of each of the power modules; Each of the charging guns is connected to M of the PDUs, or each of the charging guns is connected to at least one of the PDUs; All of the power modules and all of the PDUs are controlled by the controller, and the controller is used to execute the charging control method of the charging system according to any one of claims 1 to 16.

18. The charging system according to claim 17, wherein If the charging gun is a charging gun with a liquid cooling identifier, then the charging gun is connected to at least two of the PDUs; If the charging gun is a V2G charging gun, then at least one of the power modules connected to the charging gun is a power module that can perform charge and discharge.

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