CN115848203A - Capacity expansion allocation method and device for charging power - Google Patents
Capacity expansion allocation method and device for charging power Download PDFInfo
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- Y02T90/10—Technologies relating to charging of electric vehicles
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Abstract
The application relates to a charging power capacity expansion allocation method and device. The method comprises the following steps: constructing a power capacity expansion and allocation system corresponding to the charging station yard based on at least two split type chargers; the power capacity expansion allocation system comprises a plurality of power control assemblies and a plurality of charging main control assemblies connected with the power control assemblies, each charging main control assembly is connected with the same number of charging guns, and different power control assemblies are in communication connection with different charging guns corresponding to the charging main control assemblies; under the condition that the charging request power corresponding to any charging gun is larger than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun. By adopting the method, the idle charging power of any power control assembly can be allocated, and the power expansion and the free power distribution are effectively realized.
Description
Technical Field
The present application relates to the field of power technologies, and in particular, to a charging power expansion allocation method, apparatus, computer device, storage medium, and computer program product.
Background
With the high-speed development of the new energy automobile industry, the number of new energy automobiles is increased day by day, and the demand on charging piles is increased more and more. Under this background, many charging pile enterprises successively release various versions of high-power charging piles, such as high-power split charging machines and the like.
However, the power of the split type charger cannot be increased all the time due to the characteristics of hardware and the CAN bus in the related art, if the power is required to be increased, an additional independent split type charger is usually configured, so that for the situation of a high-power charging pile, N sets of independent split type chargers are required to be used together, the capacity expansion is limited, the utilization rate of the CAN bus is affected, and when a charging module in the charger fails, all charging guns cannot be used.
Disclosure of Invention
In view of the above, it is necessary to provide a charging power capacity expansion allocation method, an apparatus, a computer device, a storage medium, and a computer program product, which can solve the above problems.
In a first aspect, the present application provides a charging power expansion allocation method, which is applied to a power expansion allocation system corresponding to a charging station, where the power expansion allocation system includes a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each of the charging main control assemblies is connected to a same number of charging guns, and different power control assemblies are in communication connection with different charging guns corresponding to the charging main control assemblies, where the method includes:
under the condition that it is detected that the charging request power corresponding to any charging gun in the charging station yard is greater than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun.
In one embodiment, the obtaining of the charging allocation power by requesting power allocation by the charging main control component corresponding to any charging gun in the charging station when it is detected that the charging request power corresponding to any charging gun in the charging station is greater than the charging output power includes:
when any charging gun in the charging station field starts charging, acquiring the charging request power according to a charging object connected with any charging gun, and acquiring the charging output power according to the power control assembly in communication connection with any charging gun;
and if the charging request power is larger than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
In one embodiment, the obtaining of the charging allocated power by requesting power allocation from the charging master control component corresponding to any one of the charging guns includes:
determining a charging gun to be allocated from charging guns except any charging gun connected with the charging main control assembly corresponding to any charging gun; the charging main control assembly is connected with at least two charging guns;
and requesting power allocation to the power control assembly in communication connection with the allocation charging gun through the charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
In one embodiment, the obtaining the charging allocation power by requesting power allocation from the charging master control component corresponding to any one of the charging guns to the power control component in communication connection with the allocation charging gun includes:
generating a power request message through a charging main control assembly corresponding to any charging gun according to the address information corresponding to the allocated charging gun;
and sending the power request message to the power control assembly in communication connection with the allocation charging gun to obtain the charging allocation power aiming at the power request message.
In one embodiment, each charging main control module is connected to a plurality of rectifying modules, the outputting the regulated voltage corresponding to the charging regulated power to any one of the charging guns, and the charging operation performed on the charging object by any one of the charging guns includes:
determining a rectifying component in an idle state corresponding to the power control component in communication connection with the allocating charging gun;
and outputting the voltage which is output to the allocation charging gun based on the rectifying component in the idle state, outputting the allocation voltage corresponding to the charging allocation power to any charging gun, and charging the charging object through any charging gun.
In one embodiment, each charging gun corresponding to each charging main control component is connected through a switch control component, and the step of outputting a regulated voltage corresponding to the charging regulated power to any one charging gun based on the voltage output to the regulated charging gun by the rectifying component in the idle state includes:
and when detecting that the voltage of the input end corresponding to the allocation charging gun exceeds a preset threshold value, controlling a switch control assembly between the allocation charging gun and any one of the charging guns to be communicated, and outputting the allocation voltage corresponding to the charging allocation power to any one of the charging guns.
In one embodiment, the method further comprises:
and when the dispensing charging gun is detected to be in a starting charging state, controlling a switch control assembly between the dispensing charging gun and any one of the charging guns to be switched from a connection state to a disconnection state, so that the dispensing charging gun executes the current charging operation.
In a second aspect, the present application further provides a charging power expansion allocation device, which is applied to a power expansion allocation system corresponding to a charging station, where the power expansion allocation system includes a plurality of power control assemblies, and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each of the charging main control assemblies is connected to the same number of charging guns, different power control assemblies and each of the charging guns are in communication connection with each other, and the device includes:
the power allocation module is used for requesting power allocation through the charging main control assembly corresponding to any charging gun to obtain charging allocation power under the condition that the charging request power corresponding to any charging gun in the charging station yard is detected to be larger than the charging output power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by distribution based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and the voltage output module is used for outputting the regulated voltage corresponding to the charging regulated power to any one charging gun and carrying out charging operation on the charging object through any one charging gun.
In a third aspect, the present application also provides a computer device. The computer device comprises a memory storing a computer program and a processor implementing the steps of the charging power spread-spectrum deployment method as described above when the processor executes the computer program.
In a fourth aspect, the present application further provides a computer-readable storage medium. The computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the charging power spread deployment method as described above.
In a fifth aspect, the present application further provides a computer program product. The computer program product comprises a computer program which, when executed by a processor, implements the steps of the charging power spread deployment method as described above.
The charging power capacity expansion allocation method, the charging power capacity expansion allocation device, the computer equipment, the storage medium and the computer program product are applied to a power capacity expansion allocation system corresponding to a charging station, the power capacity expansion allocation system comprises a plurality of power control assemblies and a plurality of charging main control assemblies connected with the plurality of power control assemblies, each charging main control assembly is connected with the same number of charging guns, different power control assemblies are in communication connection with different charging guns corresponding to the charging main control assemblies, when the charging request power corresponding to any charging gun in the charging station is detected to be larger than the charging output power, the charging allocation power is requested by the charging main control assembly corresponding to any charging gun to be allocated, the charging allocation power is obtained, the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, the charging allocation power is allocated by the power control assemblies other than the power control assemblies in communication connection with any charging gun, further, the charging allocation power of the charging main control assemblies is enabled to be freely allocated, and the charging allocation power allocation efficiency can be increased through the charging main control assemblies in free allocation.
Drawings
Fig. 1 is a schematic view of a topology structure of a conventional split charger in an embodiment;
FIG. 2 is a schematic diagram illustrating a topology of a conventional capacity expansion method according to an embodiment;
fig. 3 is a schematic flowchart illustrating a charging power expansion and allocation method according to an embodiment;
FIG. 4 is a diagram illustrating an architecture of a power expansion and allocation system according to an embodiment;
FIG. 5 is a schematic diagram of a connection relationship between a charging master control assembly and a charging gun according to an embodiment;
FIG. 6 is a diagram illustrating an alternative power expansion and allocation system architecture in accordance with one embodiment;
FIG. 7 is a flowchart illustrating another method for expanding and allocating charging power according to an embodiment;
FIG. 8 is a block diagram illustrating an exemplary embodiment of a charging power expansion and deployment apparatus;
FIG. 9 is a diagram of an internal structure of a computer device, in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that, the user information (including but not limited to user device information, user personal information, etc.) and data (including but not limited to data for presentation, analyzed data, etc.) referred to in this application are information and data authorized by the user or sufficiently authorized by each party; correspondingly, the application also provides a corresponding user authorization entrance for the user to select authorization or to select denial.
In the conventional method, a split charger is a topology structure of one power control module to a plurality of charging main control modules, as shown in fig. 1, and under this architecture, the number of the charging main control modules and the number of the rectifier modules that can be carried by the power control module are both limited. In order to realize power expansion, more rectifier modules need to be additionally added, and meanwhile, the CAN communication line of the newly added rectifier module is merged into the original CAN bus, which may cause the increase of the utilization rate of the CAN bus, and when the utilization rate exceeds 70%, the bus may be blocked, and abnormal communication may occur.
For example, a split charger in a charging station uses one power control module to complete power distribution of all charging guns in the charger, and an additional independent charger needs to be added for the situation that the charging station expands the total charging power, as shown in fig. 2, the charging modules in different independent systems cannot be called with each other (for example, independent system 1 \8230; and independent system n cannot be called with each other), and when a power control module or a corresponding rectification circuit in a certain system fails, all charging guns on the charger corresponding to the system cannot be used.
If the structure is adopted for setting, power expansion needs to be realized through an additional newly-added rectifier module, the CAN bus utilization rate is too high, communication between the power control module and the charging master control module is affected by the same effect, more charging interfaces are required to be added, the CAN bus utilization rate is increased when a newly-added charging gun is used, bus blockage is easily caused when the CAN bus utilization rate is too high, and the number of the rectifier module and the charging master control module carried by the charging gun is affected.
In an embodiment, as shown in fig. 3, a charging power expansion and allocation method is provided, and this embodiment is exemplified by applying the method to a power expansion and allocation system corresponding to a charging station, where the power expansion and allocation system may include a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each charging main control assembly may be connected to the same number of charging guns, and different power control assemblies are in communication connection with different charging guns corresponding to each charging main control assembly. In this embodiment, the method includes the steps of:
the charging request power may be a request power of a charging object connected to any one of the charging guns; the charging output power can be the output power of a power control assembly in communication connection with any charging gun; the charging schedule power may be distributed based on power control components other than the power control component to which any of the charging guns is communicatively coupled.
As an example, the power capacity expansion and deployment system architecture diagram shown in fig. 4 may include m rectifier modules (i.e., rectifier assemblies), n power control modules (i.e., power control assemblies), and p charging main control modules (i.e., charging main control assemblies), where n is greater than or equal to 2 p and greater than or equal to n, each power control module may be correspondingly connected to m rectifier modules, each charging main control module may be connected to n charging guns, the 1 st, the n +1 th charging main control modules, \\ 8230, and (p-1) × n +1 charging guns may be communicatively connected to the 1 st power control module through the respective charging main control modules (e.g., based on CAN1 network connection), that is, different power control assemblies may be communicatively connected to different charging guns corresponding to the respective charging main control assemblies based on different CAN networks.
In practical application, based on the power capacity expansion and allocation topological structure of the power capacity expansion and allocation system, the plurality of charging guns connected with the charging main control assembly are arranged, the plurality of charging guns connected with the other charging main control assemblies are in one-to-one correspondence, and the charging guns in one-to-one correspondence are connected with the same power control assembly through the charging main control assemblies respectively corresponding to the charging guns, so that when one power control assembly cannot output power and the corresponding charging gun cannot be used, the other charging guns corresponding to the same charging main control assembly can normally send power requests to the other power control assemblies through the corresponding communication buses, and further the normal use of the charging gun can be recovered.
In an example, the number p of charging master components may be greater than the number n of power control components, or may be equal to n. When p = n, that is, the number of power control assemblies and the number of charging master control assemblies are the same as the number of charging guns connected to each charging master control assembly, a corresponding architecture diagram is shown in fig. 5; when p is greater than n, the corresponding architecture diagram is as shown in fig. 6, so that based on the power expansion topological structure of the power expansion and allocation system, the charging power of other charging modules CAN be allocated, the utilization rate of the CAN bus CAN be reasonably arranged, and the problems that the expansion is limited and all charging guns cannot be used when the charging module of the charger fails are solved.
In concrete realization, two adjacent charging guns in the n charging guns that the main control module that charges is connected all can be connected through the on-off control subassembly, can be when detecting the voltage of allotment charging gun's voltage input end and surpass the threshold value, the on-off control subassembly that controls to be connected between arbitrary charging gun and the allotment charging gun switches over to the connected state from the off-state, and then can make the rectifier module output voltage that the allotment charging gun corresponds export arbitrary charging gun to the operation of charging to the object of charging.
In one example, when any power control assembly cannot output power and a corresponding charging gun cannot be used, the connection control relationship exists between all charging guns corresponding to the same charging main control assembly by requesting power allocation and setting a switch control assembly between the charging guns connected with the same charging main control assembly, so that the idle charging power of any power control assembly can be allocated, and the power expansion and free power distribution of a rectifying assembly for the currently used charging gun can be effectively realized.
Compared with the conventional method, according to the technical scheme of the embodiment, when the charging request power required by the charging vehicle end is greater than the charging output power corresponding to the charging gun for starting charging, the corresponding charging main control assembly allocates the addresses of other charging guns having a conduction control relation, sends a power allocation request to the power control assembly corresponding to the allocated charging gun to obtain the output voltage, and controls the conduction of the voltage input ends between the other charging guns and the charging gun for starting charging through the corresponding switch control assemblies to provide the charging power allocated from other rectifying assemblies to the charging gun for starting charging, so that the power expansion of the charger and the free allocation of the charging total power of the charging station are realized, and the utilization rate of the charging module is effectively improved.
In the upper charging power capacity expansion allocation method, a power capacity expansion allocation system corresponding to a charging station field is constructed based on at least two split type chargers, then under the condition that the charging request power corresponding to any charging gun in the charging station field is detected to be larger than the charging output power, the charging main control assembly corresponding to any charging gun requests power allocation to obtain the charging allocation power, then the allocation voltage corresponding to the charging allocation power is output to any charging gun, the charging object is charged through any charging gun, so that the charging main control assembly can allocate the idle charging power of any power control assembly through requesting the allocation power, the capacity expansion and the free power allocation can be effectively realized, and the utilization rate of a charging module is improved.
In an embodiment, the obtaining of the charging allocation power by requesting power allocation by the charging main control component corresponding to any charging gun in the charging station when it is detected that the charging request power corresponding to any charging gun in the charging station is greater than the charging output power may include:
when any charging gun in the charging station field starts charging, acquiring the charging request power according to a charging object connected with any charging gun, and acquiring the charging output power according to the power control assembly in communication connection with any charging gun; and if the charging request power is larger than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
In practical applications, taking charging of an electric vehicle as an example, for a certain charging main control assembly, when a charging gun (i.e., any charging gun) connected to the charging main control assembly starts charging, and charging power (i.e., charging request power) of a vehicle to be charged (i.e., a charging object) is greater than current available power (i.e., charging output power) of a power control assembly corresponding to the charging gun, the charging main control assembly may allocate the charging gun by selecting another charging gun connected to the charging main control assembly corresponding to the charging gun, and obtaining an address of the allocated charging gun to send a power allocation request to the power control assembly corresponding to the allocated charging gun to request power allocation, so as to obtain charging allocation power.
In an alternative embodiment, the currently available power of the power control assembly may be the outputtable power of all the rectifying assemblies connected with the power control assembly except the rectifying assembly currently occupied by other charging guns and the rectifying assembly incapable of working due to self failure.
In this embodiment, when any charging gun in the charging station starts charging, the charging request power is obtained according to the charging object connected to any charging gun, the charging output power is obtained according to the power control module communicatively connected to any charging gun, and if the charging request power is greater than the charging output power, the charging allocation power is obtained by requesting power allocation through the charging main control module corresponding to any charging gun, so that power expansion and free distribution of the total charging power of the charging station can be realized.
In an embodiment, the obtaining of the charging allocated power by requesting power allocation through the charging master control component corresponding to any one of the charging guns may include the following steps:
determining a charging gun to be allocated from charging guns except any charging gun connected with the charging main control assembly corresponding to any charging gun; the charging main control assembly is connected with at least two charging guns; and requesting power allocation to the power control assembly in communication connection with the allocation charging gun through the charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
In an example, as shown in fig. 5, the corresponding address identifiers may be sequentially arranged and set according to a wiring sequence of the charging gun and the charging main control assembly corresponding thereto, when allocating power for any charging gun (e.g., the charging gun 1 in fig. 5), the state of the charging gun (e.g., the charging gun 2 in fig. 5) corresponding to the next address identifier connected to the charging main control assembly (e.g., the charging main control assembly 1 in fig. 5) corresponding thereto may be determined, and if the charging gun is in an idle state, the charging gun may be selected as the allocating charging gun.
For example, by obtaining the address identifier (i.e., address information, such as Addr =0 in fig. 5) of the charging gun 1 in fig. 5, sequential determination may be performed based on the arrangement order of the address identifiers, and if the charging gun of the next address identifier is currently charging, the sequential determination may be skipped, and the state of the charging gun of the next address identifier may be continuously determined until the charging gun in the idle state is found as the deployment charging gun.
In an optional embodiment, the current available power of the power control component corresponding to the charging gun may be obtained and allocated, the sum of the current available power and the current available power of the power control component corresponding to any charging gun is used as a new available power, then when the charging power of the vehicle to be charged is less than or equal to the new available power, the power allocation of the rectifying component corresponding to the charging gun may be executed, if the charging power is greater than the new available power, other charging guns in an idle state, which are connected to the charging main control component corresponding to any charging gun, may be continuously selected based on the address sequence to perform the additional allocation of the charging gun, and then different additional allocation charging guns may be selected in a loop until the charging power of the vehicle to be charged is less than or equal to the sum of the current available power corresponding to any charging gun and the current available power corresponding to all allocated charging guns.
In this embodiment, the charging guns, except for any charging gun, connected to the charging main control assembly corresponding to any charging gun are determined to be allocated, and then the charging main control assembly corresponding to any charging gun requests power allocation to the power control assembly in communication connection with the allocated charging gun, so as to obtain charging allocation power.
In an embodiment, the obtaining the charging allocation power by requesting, by the charging main control component corresponding to any charging gun, power allocation to the power control component in communication connection with the allocating charging gun may include:
generating a power request message through a charging main control assembly corresponding to any charging gun according to the address information corresponding to the allocated charging gun; and sending the power request message to the power control assembly in communication connection with the allocation charging gun to obtain the charging allocation power aiming at the power request message.
In practical application, each power control assembly may be provided with a unique address identifier, for example, addresses range from 0 to n-1, each power control assembly may manage m rectifying assemblies, each rectifying assembly may also have a unique address identifier, and the charging main control assembly may carry a multi-gun configuration, that is, the number of charging terminals may be two or more. Wherein, each main control assembly that charges can mount n rifle that charges, and every rifle that charges can be provided with unique address identification, and the quantity of the rifle that charges that every main control assembly that charges configuration promptly is unanimous with the quantity of the power control assembly who uses, and address identification is from 0 inception.
In the communication mode, the address mark of any power control assembly can be set to be X, the address mark of any charging gun is set to be Y, and the communication between the charging gun and the power control assembly meets the following corresponding relation:
X=Y mod n
wherein X is the remainder of dividing Y by n.
Specifically, under the condition of the power expansion topology shown in fig. 4, the newly added power control component may be used to communicate with the newly added rectifying component, and the communication line of the newly added rectifying component does not need to access the original CAN bus, so that power expansion CAN be performed while ensuring that the communication of the original rectifying component is not affected; similarly, the addition of the charging gun and the communication mode between the charging gun and the power control assembly can also be realized based on the topology structure shown in fig. 4, and the address identifier set by the charging gun meets the above conditions. Different power control assemblies correspond to different charging guns through the charging main control assembly, and messages of all the charging guns CAN be prevented from being concentrated on the same CAN bus based on the connection mode.
In an example, as shown in fig. 6, the communication between the charging gun 1 and the power control assembly 1 satisfies the condition of X = Y mod N, so that when the charging demand power of the vehicle end is greater than the output capability of the power control assembly corresponding to the charging gun connected to the vehicle end, the charging main control assembly 1 corresponding to the charging gun 1 may send a disguised message (i.e., a power request message) to the charging gun identified by the next address, i.e., the power control assembly 2 corresponding to the charging gun 2, through the CAN bus, so as to allocate the power of the power control assembly 2, and may close the corresponding relay K1, thereby achieving the effect of allocating the power as needed.
In this embodiment, according to address information corresponding to the charging gun, a power request message is generated by the charging main control module corresponding to any charging gun, and then the power request message is sent to the power control module in communication connection with the charging gun, so as to obtain the charging allocation power for the power request message, thereby effectively achieving power expansion and power free allocation, and improving the utilization rate of the charging module.
In one embodiment, each charging main control module is connected to a plurality of rectifying modules, the step of outputting the regulated voltage corresponding to the charging regulated power to any one of the charging guns, and the step of charging the charging object by any one of the charging guns may include the following steps:
determining a rectifying component in an idle state corresponding to the power control component in communication connection with the allocating charging gun; and outputting the voltage which is output to the allocation charging gun based on the rectifying component in the idle state, outputting the allocation voltage corresponding to the charging allocation power to any charging gun, and charging the charging object through any charging gun.
In one embodiment, the step of outputting the regulated voltage corresponding to the charging regulated power to any one of the charging guns based on the voltage output to the regulated charging gun by the rectifying component in the idle state may include the following steps:
and when detecting that the voltage of the input end corresponding to the allocation charging gun exceeds a preset threshold value, controlling a switch control assembly between the allocation charging gun and any one of the charging guns to be communicated, and outputting the allocation voltage corresponding to the charging allocation power to any one of the charging guns.
In practical application, the switch control assembly can be a relay, and in terms of power distribution, adjacent charging guns corresponding to the same charging main control assembly can be connected through the relay, so that any charging gun can use a rectifying assembly managed by different power control assemblies.
In one embodiment, the following steps may be further included:
and when the dispensing charging gun is detected to be in a starting charging state, controlling a switch control assembly between the dispensing charging gun and any one of the charging guns to be switched from a connection state to a disconnection state, so that the dispensing charging gun executes the current charging operation.
In an example, when it is detected that the dispensing charging gun starts charging, the switch control component connected between any charging gun and the dispensing charging gun is controlled to be switched from a connected state to a disconnected state, so that the rectifying component corresponding to the dispensing charging gun can normally output voltage to the dispensing charging gun to perform a corresponding charging process. Therefore, modularization of the split type charger is achieved, a plurality of traditional independent systems CAN be combined into a whole system, the utilization rate of the CAN bus CAN be reasonably arranged, the total charging power CAN be enlarged, the power of the rectifying assemblies in the idle state corresponding to other charging guns CAN be allocated according to needs in the charging process, the utilization rate of the rectifying assemblies is improved, the power of the system CAN be switched along with the change of the demand by coupling power distribution of the whole system after capacity expansion, and free power distribution of the whole system is achieved.
In order to enable those skilled in the art to better understand the above steps, the embodiments of the present application are illustrated by way of example in conjunction with fig. 5 and 6, but it should be understood that the embodiments of the present application are not limited thereto.
As shown in fig. 5, the p = n architecture diagram is provided with 3 power control assemblies and 3 charging main control assemblies, each charging main control assembly is equipped with 3 charging guns and 9 charging guns in total, where the address identifier of the power control assembly is 0 to 2, the address identifier of the charging main control assembly is 0 to 2, the address identifier of the charging gun is 0 to 8, and the corresponding connection relationship between the charging gun and the charging main control assembly is shown in fig. 5. The power control component with address designation 0 may communicate with the charging guns with address designations 0, 3, 6, the power control component with address designation 1 may communicate with the charging guns with address designations 1, 4, 7, and the power control component with address designation 2 may communicate with the charging guns with address designations 2, 5, 8. Rifle 1 and the rifle 2 that charges have relay K1 between, rifle 2 and the rifle 3 that charges have relay K2 between, rifle 4 and the rifle 5 that charges have relay K3 between, rifle 5 and the rifle 6 that charges have relay K4 between, rifle 7 and the rifle 8 that charges have relay K5 between, rifle 8 and the rifle 9 that charges have relay K6 between.
When the charging requirement of the charging gun 1 with the address identifier of 0 is greater than the available output power of the power control component with the address identifier of 0, the charging main control component 1 may send a disguised message to the power control component with the address identifier of 1 to request power allocation. It should be noted that the precondition for sending the dummy message to request power allocation is that the charging gun 2 with the address identifier 1 is in an idle state, that is, not in a charging start state.
Fig. 6 shows an architecture diagram of p > n, which is provided with 2 power control assemblies and 4 charging main control assemblies, wherein each charging main control assembly is equipped with 2 charging guns and 8 charging guns. The PCM addresses of the power control assembly are respectively 0 and 1; CCM addresses of the charging main control assembly are respectively 0, 1, 2 and 3; the address of the charging gun is 0, 1 to 7. The charging guns 1, 3, 5, 7 CAN all communicate with the PCM1 (i.e., the power control assembly 1) through the CCM-CAN1, and the charging guns 2, 4, 6, 8 CAN all communicate with the PCM2 (i.e., the power control assembly 2) through the CCM-CAN 2. The rectifier module 1 \8230correspondingto the power control module 1 CAN communicate with the power control module 1 through the PCM-CAN1, and the rectifier module 1 \8230correspondingto the power control module 2 CAN communicate with the power control module 2 through the PCM-CAN 2.
If the charging gun 1 starts charging, the charging gun 1 CAN send a power request instruction to the power control assembly 1, when the charging gun 1 starts charging and the power control assembly 1 receives that the power demand of a vehicle end is larger than the current available power, the power control assembly 1 CAN send a demand message through a CCM-CAN2 bus by adopting a frame ID (such as an address identifier) of the charging gun 2 to request power distribution of the power control assembly 2, so that a rectifying assembly controlled by the power control assembly 2 outputs power to the charging gun 2; the relay K1 may be controlled to be closed after the voltage of the input terminal of the charging gun 2 is detected to rise, so that the voltage to be input to the charging gun 2 is output to the charging gun 1. If the charging gun 2 starts charging at this time, the relay K1 can be turned off.
When the charging gun 1 starts charging, the current available power of the power control assembly 1 may be the total power minus the charging power occupied by the charging gun that is charging among the charging guns 3, 5, 7, and if the charging guns 3, 5, 7 do not start charging at this time, the current available power of the power control assembly 1 is the total power.
In an embodiment, as shown in fig. 7, a flowchart of another charging power capacity expansion and allocation method is provided. In this embodiment, the method includes the steps of:
in step 701, when any charging gun in a charging station starts charging, a charging request power is obtained according to a charging object connected with any charging gun, and a charging output power is obtained according to a power control component in communication connection with any charging gun. In step 702, if the charging request power is greater than the charging output power, determining to allocate charging guns from charging guns other than any charging gun connected to the charging main control assembly corresponding to any charging gun; the main control assembly that charges is connected with two at least guns that charge. In step 703, a power request message is generated by the charging master control component corresponding to any charging gun according to address information corresponding to the charging gun. In step 704, the power request message is sent to a power control component communicatively connected to the charging gun, so as to obtain the charging allocation power for the power request message. In step 705, a rectifying component in an idle state corresponding to a power control component communicatively coupled to the deployment charging gun is determined. In step 706, when it is detected that the voltage of the input terminal corresponding to the charging gun is greater than the preset threshold, the switch control module between the charging gun and any charging gun is controlled to be connected, and the regulated voltage corresponding to the charging regulated power is output to any charging gun. In step 707, when it is detected that the dispensing charging gun is in a charging start state, the switch control component between the dispensing charging gun and any one of the charging guns is controlled to switch from a connected state to a disconnected state, so that the dispensing charging gun performs a current charging operation. It should be noted that, for the specific limitations of the above steps, reference may be made to the specific limitations of the charging power expansion and allocation method, and details are not described herein again.
It should be understood that, although the steps in the flowcharts related to the embodiments as described above are sequentially displayed as indicated by arrows, the steps are not necessarily performed sequentially as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the embodiments described above may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the execution order of the steps or stages is not necessarily sequential, but may be rotated or alternated with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the present application further provides a charging power capacity expansion and allocation device for implementing the charging power capacity expansion and allocation method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme described in the above method, so that specific limitations in one or more embodiments of the charging power expansion allocation device provided below can be referred to the limitations of the charging power expansion allocation method in the above description, and details are not repeated herein.
In one embodiment, as shown in fig. 8, a charging power expansion and allocation apparatus is provided, which is applied to a power expansion and allocation system corresponding to a charging station, where the power expansion and allocation system includes a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each charging main control assembly is connected to a same number of charging guns, and different power control assemblies are in communication connection with different charging guns corresponding to each charging main control assembly, and the apparatus includes:
a power allocation module 801, configured to, when it is detected that a charging request power corresponding to any charging gun in the charging yard is greater than a charging output power, request power allocation through a charging main control assembly corresponding to the charging gun to obtain a charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
a voltage output module 802, configured to output the allocated voltage corresponding to the charging allocated power to any charging gun, and perform a charging operation on the charging object through the charging gun.
In one embodiment, the power scheduling module 801 includes:
the power acquisition submodule is used for acquiring the charging request power according to a charging object connected with any charging gun when the charging gun in the charging station starts charging, and acquiring the charging output power according to the power control assembly in communication connection with the any charging gun;
and the power comparison submodule is used for requesting power allocation through the charging main control assembly corresponding to any charging gun to obtain the charging allocation power if the charging request power is greater than the charging output power.
In one embodiment, the power scheduling module 801 includes:
the allocation charging gun determining submodule is used for determining allocation charging guns from the charging guns except any charging gun connected with the charging main control assembly corresponding to any charging gun; the charging main control assembly is connected with at least two charging guns;
and the power allocation request submodule is used for requesting power allocation to the power control assembly in communication connection with the allocated charging gun through the charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
In one embodiment, the power scheduling request sub-module includes:
a request message generating unit, configured to generate a power request message through a charging main control component corresponding to any charging gun according to the address information corresponding to the allocated charging gun;
and the request message sending unit is used for sending the power request message to the power control assembly in communication connection with the allocation charging gun to obtain the charging allocation power aiming at the power request message.
In one embodiment, a plurality of rectifying components are connected to each charging master component, and the voltage output module 802 includes:
the idle state judgment submodule is used for determining a rectifying component which is in an idle state and corresponds to the power control component in communication connection with the allocation charging gun;
and the voltage output submodule is used for outputting the voltage which is output to the allocation charging gun based on the rectifying assembly in the idle state, outputting the allocation voltage corresponding to the charging allocation power to any charging gun, and charging the charging object through any charging gun.
In one embodiment, each charging gun corresponding to each charging main control assembly is connected to each other through a switch control assembly, and the voltage output sub-module includes:
and the switch communication unit is used for controlling the communication of the switch control assembly between the allocation charging gun and any charging gun when detecting that the voltage of the input end corresponding to the allocation charging gun exceeds a preset threshold value, and outputting the allocation voltage corresponding to the charging allocation power to any charging gun.
In one embodiment, the apparatus further comprises:
and the switch disconnection module is used for controlling a switch control assembly between the allocation charging gun and any one charging gun to be switched from a connection state to a disconnection state when the allocation charging gun is detected to be in a starting charging state, so that the allocation charging gun executes the current charging operation.
The above-mentioned charging power capacity expansion and regulation device may be implemented by software, hardware or their combination. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as shown in fig. 9. The computer device includes a processor, a memory, a communication interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The communication interface of the computer device is used for communicating with an external terminal in a wired or wireless manner, and the wireless manner can be realized through WIFI, a mobile cellular network, NFC (near field communication) or other technologies. The computer device also includes an I/O interface and a display unit. The computer program is executed by a processor to implement a charging power capacity expansion allocation method.
Those skilled in the art will appreciate that the architecture shown in fig. 9 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, which includes a memory and a processor, where the memory stores a computer program, and the computer program is applied to a power expansion and allocation system corresponding to a charging station, where the power expansion and allocation system includes a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each of the charging main control assemblies is connected to a same number of charging guns, different power control assemblies are in communication connection with different charging guns corresponding to each of the charging main control assemblies, and the processor implements the following steps when executing the computer program:
under the condition that it is detected that the charging request power corresponding to any charging gun in the charging station yard is greater than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun.
In one embodiment, the processor, when executing the computer program, further implements the steps of the charging power expansion and deployment method in the other embodiments described above.
In one embodiment, a computer-readable storage medium is provided, on which a computer program is stored, and is applied to a power expansion and allocation system corresponding to a charging station, where the power expansion and allocation system includes a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each of the charging main control assemblies is connected to a same number of charging guns, different power control assemblies are communicatively connected to different charging guns corresponding to each of the charging main control assemblies, and the computer program, when executed by a processor, implements the following steps:
under the condition that it is detected that the charging request power corresponding to any charging gun in the charging station yard is greater than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun.
In one embodiment, the computer program, when executed by the processor, further implements the steps of the charging power capacity expansion and deployment method in the other embodiments described above.
In one embodiment, a computer program product is provided, which includes a computer program and is applied to a power expansion and allocation system corresponding to a charging station, where the power expansion and allocation system includes a plurality of power control assemblies and a plurality of charging main control assemblies connected to the plurality of power control assemblies, each of the charging main control assemblies is connected to a same number of charging guns, different power control assemblies are in communication connection with different charging guns corresponding to each of the charging main control assemblies, and the computer program, when executed by a processor, implements the following steps:
under the condition that it is detected that the charging request power corresponding to any charging gun in the charging station yard is larger than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun.
In one embodiment, the computer program, when executed by the processor, further implements the steps of the charging power spread-out deployment method in the other embodiments described above.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), magnetic Random Access Memory (MRAM), ferroelectric Random Access Memory (FRAM), phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, and these are all within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. The utility model provides a power of charging expands and allocates method, its characterized in that, be applied to the power dilatation allocation system that the charging station corresponds, the power dilatation allocation system includes a plurality of power control assembly to and a plurality of main control assembly that charges who is connected with a plurality of power control assembly, each main control assembly that charges is connected with the rifle that charges of the same quantity, different power control assembly with each main control assembly that charges correspond different rifle communication connection that charges, the method includes:
under the condition that it is detected that the charging request power corresponding to any charging gun in the charging station yard is greater than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain charging allocation power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and outputting the regulated voltage corresponding to the charging regulated power to any charging gun, and performing charging operation on the charging object through any charging gun.
2. The method according to claim 1, wherein the obtaining of the charging allocation power by requesting power allocation by the charging master control component corresponding to any charging gun in the charging station when detecting that the charging request power corresponding to any charging gun is greater than the charging output power comprises:
when any charging gun in the charging station field starts charging, acquiring the charging request power according to a charging object connected with any charging gun, and acquiring the charging output power according to the power control assembly in communication connection with any charging gun;
and if the charging request power is larger than the charging output power, requesting power allocation through a charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
3. The method according to claim 1 or 2, wherein the obtaining of the charging allocated power by requesting power allocation from the charging master control component corresponding to any one of the charging guns comprises:
determining a charging gun to be allocated from charging guns except any charging gun connected with the charging main control assembly corresponding to any charging gun; the charging main control assembly is connected with at least two charging guns;
and requesting power allocation to the power control assembly in communication connection with the allocation charging gun through the charging main control assembly corresponding to any charging gun to obtain the charging allocation power.
4. The method of claim 3, wherein the obtaining the charging allocation power by requesting power allocation from the power control component communicatively connected to the allocating charging gun through the charging master control component corresponding to any charging gun comprises:
generating a power request message through a charging main control assembly corresponding to any charging gun according to the address information corresponding to the allocated charging gun;
and sending the power request message to the power control assembly in communication connection with the allocation charging gun to obtain the charging allocation power aiming at the power request message.
5. The method according to claim 3, wherein a plurality of rectifying elements are connected to each charging master control element, and the step of outputting the adjusted voltage corresponding to the charging adjusted power to any one of the charging guns to perform the charging operation on the charging object by using the any one of the charging guns comprises:
determining a rectifying component in an idle state corresponding to the power control component in communication connection with the allocating charging gun;
and outputting the voltage which is output to the allocation charging gun based on the rectifying component in the idle state, outputting the allocation voltage corresponding to the charging allocation power to any charging gun, and charging the charging object through any charging gun.
6. The method according to claim 5, wherein each charging gun corresponding to each charging main control component is connected to each other through a switch control component, and the step of outputting a regulated voltage corresponding to the charging regulated power to any charging gun based on the voltage output to the regulated charging gun by the rectifying component in the idle state comprises:
and when detecting that the voltage of the input end corresponding to the allocation charging gun exceeds a preset threshold value, controlling a switch control assembly between the allocation charging gun and any one of the charging guns to be communicated, and outputting the allocation voltage corresponding to the charging allocation power to any one of the charging guns.
7. The method of claim 6, further comprising:
and when the dispensing charging gun is detected to be in a starting charging state, controlling a switch control assembly between the dispensing charging gun and any one of the charging guns to be switched from a connection state to a disconnection state, so that the dispensing charging gun executes the current charging operation.
8. The utility model provides a power that charges expands allotment device, its characterized in that is applied to the power dilatation allotment system that charging station corresponds, power dilatation allotment system includes a plurality of power control assembly, and with a plurality of main control assembly that charges that a plurality of power control assembly are connected, each the main control assembly that charges is connected with the rifle that charges of the same quantity, different power control assembly and each the rifle communication connection that charges that the main control assembly that charges corresponds, the device includes:
the power allocation module is used for requesting power allocation through the charging main control assembly corresponding to any charging gun to obtain charging allocation power under the condition that the charging request power corresponding to any charging gun in the charging station yard is detected to be larger than the charging output power; the charging request power is the request power of a charging object connected with any charging gun, the charging output power is the output power of the power control assembly in communication connection with any charging gun, and the charging allocation power is obtained by being distributed based on the power control assemblies except the power control assembly in communication connection with any charging gun;
and the voltage output module is used for outputting the regulated voltage corresponding to the charging regulated power to any one charging gun and carrying out charging operation on the charging object through any one charging gun.
9. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor, when executing the computer program, implements the steps of the method of any of claims 1 to 7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 7.
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| CN105006870A (en) * | 2015-08-21 | 2015-10-28 | 中国人民解放军96657部队 | Charging pile intelligent power distribution system and method thereof |
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Address after: 511458 room 409-a156, a157, No. 1, Mingzhu 1st Street, Hengli Town, Nansha District, Guangzhou City, Guangdong Province Patentee after: China Southern Power Grid Industry Investment Group Co.,Ltd. Patentee after: Southern Power Grid Electric Vehicle Service Co.,Ltd. Patentee after: Yonglian Technology (Changshu) Co.,Ltd. Address before: 511458 room 409-a156, a157, No. 1, Mingzhu 1st Street, Hengli Town, Nansha District, Guangzhou City, Guangdong Province Patentee before: China Southern Power Grid Industry Investment Group Co.,Ltd. Patentee before: Southern Power Grid Electric Vehicle Service Co.,Ltd. Patentee before: Yonglian smart energy technology (Changshu) Co.,Ltd. |