CN111516539A - Power distribution method and device, and computer readable storage medium - Google Patents
Power distribution method and device, and computer readable storage medium Download PDFInfo
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- CN111516539A CN111516539A CN202010174805.3A CN202010174805A CN111516539A CN 111516539 A CN111516539 A CN 111516539A CN 202010174805 A CN202010174805 A CN 202010174805A CN 111516539 A CN111516539 A CN 111516539A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/60—Monitoring or controlling charging stations
- B60L53/66—Data transfer between charging stations and vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a power distribution method and device and a computer readable storage medium, which are applied to a power distribution device, wherein the power distribution device comprises a power control module, a plurality of switch modules and a plurality of charging modules which are connected with one another, first ends of the switch modules correspond to the charging modules one by one, second ends of the switch modules correspond to the charging guns one by one, and charging power information of equipment to be charged is acquired when the power control module is in communication connection with the equipment to be charged; determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged; and controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs accumulated charging signals to the charging gun on the target charging path through the corresponding switch module. The power distribution device controls the charging module and the switch module to dynamically adjust the power of the output charging signal, and the stability of power distribution is improved.
Description
Technical Field
The present application relates to the field of charging technologies, and in particular, to a power distribution method and apparatus, and a computer-readable storage medium.
Background
Along with the rise of electric automobiles, the charging pile equipment covers all big cities. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. Like the oiling machine in a gas station, the charging device can be fixed on the ground or on the wall, is arranged in public buildings (markets, public parking spaces and public buildings) and resident parking lots or charging stations, and can charge various types of electric vehicles according to different voltage levels.
However, most of the existing schemes have poor flexibility of the power distribution device, a large number of switches, high difficulty in site inspection once the power distribution device is damaged, and high maintenance cost.
Disclosure of Invention
In view of the above, it is necessary to provide a power distribution method and apparatus, and a computer readable storage medium, for solving the problems that the flexibility of the power distribution apparatus is poor, the maintenance cost of the switch module is high, and the field is difficult to be checked when the dc contactor is damaged.
A power distribution method is applied to a power distribution device, the power distribution device comprises a power control module, a plurality of switch modules and a plurality of charging modules which are connected with one another, first ends of the switch modules are connected with the charging modules in a one-to-one correspondence mode, second ends of the switch modules are connected with charging guns in a one-to-one correspondence mode, and the method comprises the following steps:
when the power control module is in communication connection with the equipment to be charged, acquiring charging power information of the equipment to be charged;
determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged;
and controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs accumulated charging signals to the charging gun on the target charging path through the corresponding switch module.
In one embodiment, the determining, according to the charging power information of the device to be charged, at least one target charging module from the plurality of charging modules includes:
acquiring the charging power of each charging module;
and determining at least one target charging module from the plurality of charging modules according to the charging power of each charging module and the charging power of the equipment to be charged.
In one embodiment, the difference between the charging power of at least one of the target charging modules and the charging power of the device to be charged is smaller than a difference threshold.
In one embodiment, the sum of the charging power of at least one target charging module is equal to the charging power of the device to be charged.
In one embodiment, after the determining at least one target charging module from the plurality of charging modules according to the charging power information of the device to be charged, the method further includes:
controlling the power control module to generate a conducting signal;
and transmitting the conducting signal to the switch module corresponding to each target charging module.
In one embodiment, each of the switch modules includes a plurality of dc contactors and a plurality of groups of charging interfaces, each group of charging interfaces is connected to the corresponding dc contactor, and the controlling of the switch module corresponding to each of the target charging modules to be turned on includes:
when the switch module receives the conducting signal, the corresponding direct current contactor is controlled to be conducted according to the conducting signal;
and controlling the charging interface to output the charging signal to the connected charging gun.
In one embodiment, each switch module is provided with a first prompter, and the method includes:
and generating a first prompt signal when the switch module has a fault.
In one embodiment, the power control module is provided with a second prompter, and the method comprises the following steps:
and generating a second prompt signal when the power control module fails.
A power distribution apparatus applied to a charging system including a plurality of charging guns, the power distribution apparatus comprising:
a plurality of charging modules for outputting a charging signal;
the first ends of the switch modules are connected with the charging modules in a one-to-one correspondence mode, and the second ends of the switch modules are connected with the charging guns in a one-to-one correspondence mode; the switch module is used for switching on or off a charging path between the charging module and the charging gun;
the power control module is respectively connected with the plurality of switch modules and the plurality of charging modules and is used for acquiring charging power information of the equipment to be charged and determining at least one target charging module from the plurality of charging modules according to the charging power information; and the target charging module is also used for controlling the conduction of a target charging path where each target charging module is located, so that each target charging module outputs an accumulated charging signal to the charging gun of the target charging path.
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 as described above.
The power distribution method and device and the computer readable storage medium are applied to a power distribution device, the power distribution device comprises a power control module, a plurality of switch modules and a plurality of charging modules which are connected with one another, first ends of the switch modules are connected with the charging modules in a one-to-one correspondence mode, second ends of the switch modules are connected with the charging guns in a one-to-one correspondence mode, and charging power information of equipment to be charged is obtained when the power control module is in communication connection with the equipment to be charged; determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged; and controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs accumulated charging signals to the charging gun on the target charging path through the corresponding switch module. According to the charging power information of the equipment to be charged, the power distribution device controls the target charging module to output the charging signal with the corresponding power, and controls the target charging path where the target charging module is located to be conducted, so that the charging signal is output to the equipment to be charged. The power distribution device controls the charging module and the switch module to dynamically adjust the power of the output charging signal, and the stability of power distribution is improved. The power distribution device comprises a plurality of switch modules, if one of the switch modules is damaged, the damaged switch module is directly detached and overhauled, and other undamaged switch modules are used for working, so that the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a power distribution apparatus according to an embodiment of the present application;
FIG. 2 is a flow chart of a power allocation method according to an embodiment of the present application;
fig. 3 is a flowchart illustrating a step of determining at least one target charging module from a plurality of charging modules according to charging power information of a device to be charged according to an embodiment of the present application;
fig. 4 is a flowchart of a power allocation method according to another embodiment of the present application.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth to provide a thorough understanding of the present application, and in the accompanying drawings, preferred embodiments of the present application are set forth. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. This application is capable of embodiments in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. In the description of the present application, "a number" means at least one, such as one, two, etc., unless specifically limited otherwise.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The present application provides a power distribution apparatus, as shown in fig. 1, the power distribution apparatus 100 is applied to a charging system 10, the charging system 10 further includes a plurality of charging guns 200, the power distribution apparatus 100 includes: a plurality of switching modules 110, a plurality of charging modules 120, and a power control module 130. Wherein each switch module 110 of the plurality of switch modules 110 comprises a plurality of dc contactors 111. The first ends of the switch modules 110 are connected with the charging modules 120 in a one-to-one correspondence manner, and the second ends of the switch modules 110 are connected with the plurality of charging guns 200 in a one-to-one correspondence manner; each charging module 120 is connected to a corresponding switch module 110, and the number of the switch modules 110 is the same as that of the charging modules 120. Each charging module 120 is configured to output a charging signal via the corresponding switch module 110; the power control module 130 is respectively connected to the plurality of switch modules 110 and the plurality of charging modules 120, and is configured to, when in communication connection with a device to be charged, obtain charging power information of the device to be charged, and determine at least one target charging module from the plurality of charging modules 120 according to the charging power information of the device to be charged; and controls the target charging path where each target charging module is located to be conducted, so that each target charging module outputs an accumulated charging signal to the connected charging gun 200 through the corresponding switch module 110.
Specifically, the power distribution device 100 is disposed in the charging cabinet, and may be provided with an entrance guard, and when the charging cabinet door is opened, the charging is stopped to ensure the charging safety. The power distribution apparatus 100 includes a plurality of switching modules 110, a plurality of charging modules 120, and a power control module 130. The power control module 130 may be connected to the device to be charged to obtain charging power information of the device to be charged, where the charging power information may be charging power information, charging current, charging interface model, and the like. After the charging power information of the device to be charged is obtained, the power control module 130 obtains a charging strategy according to the charging power information of the device to be charged, where the charging strategy is to determine at least one target charging module from a plurality of charging modules, and charging signals output by the target charging modules are accumulated to charge the device to be charged through the charging gun 200. The switch modules 110 are connected between the charging module 120 and the charging gun 200, the power control module 130 further controls the corresponding dc contactors in each switch module 110 corresponding to at least one target charging module to be turned on, so that the target charging module is turned on with the charging gun 200, and the at least one target charging module outputs a charging signal to the charging gun 200 together to charge the device to be charged. Each switch module 110 includes a plurality of dc contactors 111 therein, and the dc contactor 111 is a contactor used in a dc circuit and is mainly used to control the on/off of a dc circuit. And a prompter for prompting the fault of the direct current contactor 111 is arranged on the switch module 110, so that the direct current contactor 111 in the switch module 110 can be conveniently overhauled. The power distribution apparatus 100 further includes an emergency brake switch for generating a charging stop instruction according to the user instruction to control the charging module 120 to stop outputting the charging signal, so as to ensure the safety of power utilization in an emergency.
In one embodiment, each switch module 110 is a single input multiple output, for example, for the switch module 1, the first end of the switch module 1 is an input end and includes DC1+ and DC1-, the first end of the switch module 1 is connected to the charging module 1, the charging module 1 inputs a signal through the input ends DC1+ and DC1-, the second end of the switch module 1 is an output end and includes interfaces DC1+ and DC1-, interfaces DCi + and DCi-, interfaces DCn + and DCn-, and n links corresponding to n output interfaces. The n chains are respectively connected with the n charging guns, as shown in fig. 2, the interfaces DC1+ and DC 1-are connected with the charging gun 1, and the interfaces DCi + and DCi-are connected with the charging gun i (i is a positive integer greater than 1), the. That is, the charging module 1 may output a charging signal from one of the links to the corresponding charging gun 200.
In one embodiment, one signal input to the switch module 110 by the charging module 120 can be divided into three signals, and the three signals are output to the three charging guns 200 respectively. The charging power information of the three-way signal may be the same or different, and is not limited herein. It should be noted that the output ports of the switch module 110 are not limited to the three paths listed above.
The present application provides a power allocation method, which is applied to a power allocation apparatus, and as shown in fig. 2, the power allocation method includes: step 202 to step 206. Step 202, when the power control module is in communication connection with the device to be charged, obtaining charging power information of the device to be charged; step 204, determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged; and step 206, controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs an accumulated charging signal to the charging gun on the target charging path through the corresponding switch module.
Specifically, the power control module may be connected to the device to be charged to obtain charging power information of the device to be charged, where the charging power information may be charging power information, charging current, charging interface model, or the like. After the charging power information of the equipment to be charged is acquired, the power control module determines at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged, and charging signals output by the target charging modules are accumulated to charge the equipment to be charged through the charging gun. The power control module is used for controlling the corresponding direct current contactors in the switch modules corresponding to the at least one target charging module to be conducted, so that the target charging module is conducted with the charging gun, and the at least one target charging module jointly outputs a charging signal to the charging gun to charge the equipment to be charged.
According to the power distribution method, when the power control module is in communication connection with the equipment to be charged, the charging power information of the equipment to be charged is acquired; determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged; and controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs accumulated charging signals to the charging gun on the target charging path through the corresponding switch module. The power distribution device controls the target charging module to output the charging signal with the corresponding power according to the charging power information of the equipment to be charged, and controls the target charging path where the target charging module is located to be conducted, so that the charging signal is output to the equipment to be charged. The power distribution device controls the charging module and the switch module to dynamically adjust the power of the output charging signal, and the stability of power distribution is improved. The power distribution device comprises a plurality of switch modules, if one of the switch modules is damaged, the damaged switch module is directly detached and overhauled, and other undamaged switch modules are utilized to continue to normally output charging signals to the charging gun, so that the maintenance cost is reduced.
In one embodiment, the step of determining at least one target charging module from the plurality of charging modules according to the charging power information of the device to be charged includes: step 302 and step 304. Step 302, obtaining the charging power of each charging module; step 304, determining at least one target charging module from the plurality of charging modules according to the charging power of each charging module and the charging power of the device to be charged.
Specifically, the charging power of each charging module may be equal or unequal, and the charging power of each charging module is obtained, for example, the charging power of each charging module is different, for example, the charging power of the charging module 1 is 1W, the charging power of the charging module 2 is 2W, the charging power of the charging module n-1 is (m-1) W, and the charging power of the charging module n is mW. The charging power of each charging module is different, the specific charging power is not limited, and each charging module can be combined and output at will. If the charging power of the device to be charged is (m +1) W, the charging module 1 and the charging module n can be used as a target charging module to control the combined output of the charging module 1 and the charging module n, and the charging module 2 and the charging module n-1 can be used as a target charging module to control the combined output of the charging module 2 and the charging module n-1.
In one embodiment, the output power of each charging module is the same, for example, the output power of each charging module 1, 2, 1..... the output power of each charging module n-1, n is 1W, if the charging power of the device to be charged is x, the total output power of all charging modules is greater than or equal to x and greater than or equal to the minimum output power of a single charging module, and at least one target charging module is selected from the charging module 1, 2, 1.... the charging module n-1, n according to the value of x. If x is 5W, any five charging modules are selected as the target charging module. The above list is only for illustration, and the actual output power is not specifically limited.
In one embodiment, the difference between the sum of the charging power of the at least one target charging module and the charging power of the device to be charged is less than the difference threshold. In one embodiment, the sum of the charging power of at least one target charging module is equal to the charging power of the device to be charged.
Specifically, the difference threshold may be set by an engineer, and should be determined according to the range of the charging current of the device to be charged. In principle, the sum of the charging powers of the at least one target charging module can only be slightly greater or slightly less than the charging power of the device to be charged. When the charging power of the target charging module is greater than that of the equipment to be charged, the equipment to be charged is in an overload charging state; when the charging power of the target charging module is smaller than that of the equipment to be charged, the equipment to be charged is in a light-load charging state; the overload charge state may cause damage to the performance of the rechargeable battery in the device to be charged, and the light load charge state has a lower charge rate. And when the charging power of the target charging module is equal to the charging power of the equipment to be charged, the equipment to be charged is in an ideal charging state.
In one embodiment, after determining at least one target charging module from the plurality of charging modules according to the charging power information of the device to be charged, the power allocation method further includes: step 402 to step 404. Step 402, controlling the power control module to generate a conducting signal; and step 404, transmitting the conducting signal to the switch module corresponding to each target charging module.
Specifically, after the power control module acquires the charging power information of the device to be charged, at least one target charging module is determined from the plurality of charging modules according to the charging power information of the device to be charged, and charging signals output by the target charging modules are accumulated and are charged for the device to be charged through the charging gun. And the power control module also generates a conduction signal and transmits the conduction signal to the switch module corresponding to the target charging module, so that the corresponding direct current contactor in each switch module corresponding to the target charging module is conducted, namely the charging gun correspondingly connected outputs a charging signal.
It should be understood that although the various steps in the flow charts of fig. 2-4 are shown in order as indicated by the arrows, the steps are not necessarily performed in order 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 some of the steps in fig. 2-4 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
In one embodiment, each switch module includes a plurality of dc contactors and a plurality of charging interfaces, each charging interface is connected to a corresponding dc contactor, and the step of controlling the switch module corresponding to each target charging module to be turned on includes: when the switch module receives the conduction signal, the corresponding direct current contactor is controlled to be conducted according to the conduction signal; and controlling the charging interface to output a charging signal to the connected charging gun.
Specifically, each switch module comprises a plurality of direct current contactors, one or more direct current contactors are determined to be conducted in each switch module corresponding to the target charging module, so that the target charging module is conducted with the charging gun, and a charging signal is output to the charging gun through a charging interface connected with the plurality of direct current contactors, so that the charging gun charges for the equipment to be charged. When a link between the target charging modules and one of the charging guns is switched on, the target charging modules simultaneously charge the charging gun, the charging signals output by the target charging modules are all direct current signals, and the charging signals are accumulated by the output signals of the target charging modules.
In one embodiment, each switch module is provided with a first prompter, and the method comprises the following steps: a first prompt signal is generated when the switch module fails. In one embodiment, the power control module is provided with a second prompter, and the method comprises the following steps: a second prompt signal is generated when the power control module fails.
Specifically, each switch module is provided with a first prompter, which can be an indicator light or an alarm bell, and the like, for prompting whether each direct current contactor in the switch module has a fault. For example, the first indicator is an indicator light, the switch module includes three dc contactors, and if any one of the three dc contactors fails, an optical signal of one color is generated as the first indicator signal. The first prompting device can emit first color light if the first direct current contactor fails; the first prompting device for the fault of the second direct current contactor emits second color light; the first prompter of third direct current contactor trouble sends third color light, and first color light, second color light and third color light are first cue signal. The first prompt signal can be conveniently overhauled, and is a switch module which can be easily and quickly found out of faults by a worker. And the switch module with the fault is taken out for maintenance, and other switch modules can still be used for working, so that the power distribution device can normally operate. In one embodiment, the power control module is provided with a second prompting device which generates a second prompting signal when the power control module fails.
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 as described above.
The embodiment of the application also provides a computer readable storage medium. One or more non-transitory computer-readable storage media containing computer-executable instructions that, when executed by one or more processors, cause the processors to perform the steps of the power distribution method.
A computer program product containing instructions which, when run on a computer, cause the computer to perform a power allocation method.
Any reference to memory, storage, database, or other medium used herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms, such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), synchronous Link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. It should be noted that "in one embodiment," "for example," "as another example," and the like, are intended to illustrate the application and are not intended to limit the application.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. 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, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A power distribution method is applied to a power distribution device, the power distribution device comprises a power control module, a plurality of switch modules and a plurality of charging modules which are connected with one another, first ends of the switch modules are connected with the charging modules in a one-to-one correspondence mode, second ends of the switch modules are connected with charging guns in a one-to-one correspondence mode, and the method comprises the following steps:
when the power control module is in communication connection with the equipment to be charged, acquiring charging power information of the equipment to be charged;
determining at least one target charging module from the plurality of charging modules according to the charging power information of the equipment to be charged;
and controlling the target charging path where each target charging module is located to be conducted so that each target charging module outputs accumulated charging signals to the charging gun on the target charging path through the corresponding switch module.
2. The method of claim 1, wherein the charging power information of the device to be charged carries the charging power of the device to be charged, and the determining at least one target charging module from the plurality of charging modules according to the charging power information of the device to be charged comprises:
acquiring the charging power of each charging module;
and determining at least one target charging module from the plurality of charging modules according to the charging power of each charging module and the charging power of the equipment to be charged.
3. The method of claim 2, wherein a difference between a sum of the charging power of at least one of the target charging modules and the charging power of the device to be charged is less than a difference threshold.
4. The method of claim 3, wherein the sum of the charging power of at least one of the target charging modules is equal to the charging power of the device to be charged.
5. The method of claim 1, wherein after determining at least one target charging module from the plurality of charging modules according to the charging power information of the device to be charged, the method further comprises:
controlling the power control module to generate a conducting signal;
and transmitting the conducting signal to the switch module corresponding to each target charging module.
6. The method according to claim 5, wherein each of the switch modules includes a plurality of dc contactors and a plurality of sets of charging interfaces, each set of charging interfaces is connected to the corresponding dc contactor, and the controlling the switch modules corresponding to the target charging modules to be turned on includes:
when the switch module receives the conducting signal, the corresponding direct current contactor is controlled to be conducted according to the conducting signal;
and controlling the charging interface to output the charging signal to the connected charging gun.
7. The method of claim 1, wherein each of the switch modules has a first alarm disposed thereon, the method comprising:
and generating a first prompt signal when the switch module has a fault.
8. The method of claim 1, wherein the power control module is provided with a second prompter, the method comprising:
and generating a second prompt signal when the power control module fails.
9. A power distribution apparatus applied to a charging system including a plurality of charging guns, the power distribution apparatus comprising:
a plurality of charging modules for outputting a charging signal;
the first ends of the switch modules are connected with the charging modules in a one-to-one correspondence mode, and the second ends of the switch modules are connected with the charging guns in a one-to-one correspondence mode; the switch module is used for switching on or off a charging path between the charging module and the charging gun;
the power control module is respectively connected with the plurality of switch modules and the plurality of charging modules and is used for acquiring charging power information of equipment to be charged and determining at least one target charging module from the plurality of charging modules according to the charging power information; and the target charging module is also used for controlling the conduction of a target charging path where each target charging module is located, so that each target charging module outputs an accumulated charging signal to the charging gun of the target charging path.
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 according to any one of claims 1 to 8.
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| CN202010174805.3A CN111516539A (en) | 2020-03-13 | 2020-03-13 | Power distribution method and device, and computer readable storage medium |
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| CN113479101A (en) * | 2021-07-16 | 2021-10-08 | 西安星源博睿新能源技术有限公司 | Method, device, equipment and medium for controlling efficient operation of electric vehicle charging module |
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| CN114132206A (en) * | 2020-09-04 | 2022-03-04 | 湖南京能新能源科技有限公司 | Method and device for distributing power of charging pile according to needs |
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| CN113859015A (en) * | 2021-11-05 | 2021-12-31 | 度普(苏州)新能源科技有限公司 | Fill electric pile and charging system |
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Application publication date: 20200811 |