CN114301147A

CN114301147A - Charging method and device of energy storage charging pile

Info

Publication number: CN114301147A
Application number: CN202111453417.XA
Authority: CN
Inventors: 郑亚峰
Original assignee: Dupu Suzhou New Energy Technology Co ltd
Current assignee: Dupu Suzhou New Energy Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-08

Abstract

The invention discloses a charging method and a device of an energy storage charging pile, wherein the energy storage charging pile comprises a charging circuit, the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the method comprises the following steps: detecting whether vehicle charging request information is received; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; and controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result. According to the invention, the technical problem of short service life of the battery pack in the mobile charging pile in the related technology is solved.

Description

Charging method and device of energy storage charging pile

Technical Field

The invention relates to the field of charging piles, in particular to a charging method and device of an energy storage charging pile.

Background

In the correlation technique, traditional movable fills electric pile and is most that the battery package charges for the car when the electric quantity is enough, mends the ability when the energy storage is not enough, has only realized mobilizable function promptly.

The existing market spud pile is many, and the removal fills electric pile then can't charge for the vehicle when having the battery package to mend can, and the tradition removes the stake when the power is online and has one-way problem of discharging from the battery package.

Simultaneously, only use the battery package to charge for the vehicle among the traditional electric pile that fills, lead to the battery package ageing fast, later stage production and equipment maintenance cost improve greatly.

In view of the above problems in the related art, no effective solution has been proposed.

Disclosure of Invention

The invention mainly aims to provide a charging method and a charging device of an energy storage charging pile, so as to solve the technical problem that a battery pack in a mobile charging pile in the related art is short in service life.

In order to achieve the above object, according to an aspect of the present invention, there is provided a charging method of an energy storage charging pile, the method including: the energy storage charging pile comprises a charging circuit, the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the method comprises the following steps: detecting whether vehicle charging request information is received; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; and controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result.

Further, after determining whether the alternating current in the charging circuit is online, the method further includes: and if the alternating current is detected to be offline, controlling a first battery pack to discharge so as to charge the vehicle, wherein the first battery pack is a battery pack corresponding to the interface which sends the charging request.

Further, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy comprises: when the required charging power is less than or equal to the first threshold power, judging the electric quantity of the first battery pack; if the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity, controlling the first battery pack and a first ACDC power module to discharge simultaneously to charge the vehicle, wherein the first ACDC power module is an ACDC power module corresponding to an interface sending a charging request; and if the electric quantity of the first battery pack is smaller than the first threshold electric quantity, controlling the first ACDC power module to discharge to charge the vehicle.

Further, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy comprises: when the required charging power is smaller than the second threshold power, judging whether the electric quantity of the first battery pack is smaller than or equal to the first threshold electric quantity; and if the electric quantity of the first battery pack is smaller than or equal to a first threshold electric quantity, controlling the first ACDC power module to discharge so as to charge the first battery pack and the vehicle.

Further, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy comprises: when the required charging power is larger than the first threshold power, judging whether the electric quantity of the first battery pack is larger than or equal to the first threshold electric quantity; if the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity, judging whether a second ACDC power module is in an idle state, wherein the second ACDC power module is an ACDC power module corresponding to an interface which does not send a charging request; and if the second ACDC power module is in an idle state, controlling the first ACDC power module, the first battery pack and the second ACDC power module to discharge to charge the vehicle.

Further, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy comprises: when the required charging power is greater than or equal to a second threshold power and smaller than a first threshold power, the first battery pack and the first ACDC power module are controlled to discharge to charge the vehicle, and the maximum value of the second threshold power is smaller than the minimum value of the first threshold power.

In order to achieve the above object, according to another aspect of the present invention, there is provided a charging device for an energy storage charging pile. The energy storage fills electric pile and includes charging circuit, and charging circuit includes at least one ACDC power module, at least one battery package and at least one DCDC power module, ACDC power module and battery package one-to-one, and the device includes: a detecting unit for detecting whether the vehicle charging request information is received; a determination unit configured to determine, in a case where the charging request information is received, a required charging power included in the charging request information; the judging unit is used for judging whether the alternating current in the charging circuit is on line or not; the comparison unit is used for comparing the required charging power with the first threshold power and the second threshold power respectively under the condition that the alternating current is on line, and obtaining a comparison result; and a first control unit 305, configured to control the energy storage charging pile to charge the vehicle according to the corresponding charging strategy according to the comparison result.

To achieve the above object, according to another aspect of the present invention, there is provided a computer-readable storage medium. The computer readable storage medium comprises a stored program, wherein when the program runs, the device where the computer readable storage medium is located is controlled to execute the charging method of the energy storage charging pile.

To achieve the above object, according to another aspect of the present invention, there is provided a processor. The processor is used for running a program, wherein the program executes the charging method of the energy storage charging pile during running.

The invention adopts the following steps: detecting whether vehicle charging request information is received; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; according to the comparison result, the energy storage charging pile is controlled to charge the vehicle through the corresponding charging strategy, the technical problem that the service life of a battery pack in the mobile charging pile in the related technology is short is solved, and the technical effect of improving the utilization rate of the charging equipment is achieved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a flowchart of a charging method of an energy storage charging pile according to an embodiment of the present invention; and

fig. 2 is a schematic diagram of a charging circuit included in an energy storage charging pile according to an embodiment of the invention;

fig. 3 is a schematic diagram of a charging device for an energy storage charging pile according to an embodiment of the invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

For convenience of description, some terms or expressions referring to the embodiments of the present invention are explained below:

ACDC power module: converting the alternating current into direct current, and outputting required voltage and current according to the request;

a battery pack: supplementing energy when the vehicle is not discharged, and discharging the vehicle when the vehicle requests to discharge;

DCDC power module: the battery discharge medium outputs corresponding voltage and current according to the vehicle end request;

AC: alternating current;

a first battery pack: packA;

a second battery pack: and (7) packing B.

According to the embodiment of the invention, a charging method of an energy storage charging pile is provided.

Fig. 1 is a flowchart of a charging method of an energy storage charging pile according to an embodiment of the present invention. As shown in fig. 1, the energy storage charging pile includes a charging circuit, the charging circuit includes at least one ACDC power module, at least one battery pack, and at least one DCDC power module, the ACDC power module corresponds to the battery pack one to one, the invention includes the following steps:

step S101, detecting whether vehicle charging request information is received or not;

step S102, if the charging request information is received, determining the required charging power contained in the charging request information;

step S103, judging whether the alternating current in the charging circuit is on-line;

step S104, if the alternating current is on line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result;

and S105, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result.

In the above, as shown in fig. 2, the embodiment provides an energy storage charging pile, where the energy storage charging pile includes a charging circuit, and the charging circuit includes at least one group of charging modules, where one group of charging modules corresponds to one charging interface, and as shown in fig. 2, the charging circuit in fig. 2 includes two groups of charging modules, and one group of charging modules includes an ACDC power module, a battery pack, and a DCDC power module.

It should be noted that, the actual number of ACDC power modules, battery packs, and DCDC power modules included in each group of charging modules may be configured according to actual requirements.

Specifically, in the embodiment provided by the application, the closing of each line relay is controlled according to whether the alternating current is on line or not, whether vehicle charging request information, required charging power and the stored energy of the battery pack are detected, and different charging strategies are corresponding to different charging conditions.

Optionally, after determining whether the alternating current in the charging circuit is online, the method further includes: and if the alternating current is detected to be offline, controlling a first battery pack to discharge so as to charge the vehicle, wherein the first battery pack is a battery pack corresponding to the interface which sends the charging request.

Specifically, in the present application, the vehicle is charged by different charging strategies depending on whether the alternating current is on-line or not.

The first case is as follows: when the AC is not online, taking a group of charging modules as an example, the first battery pack discharges to charge the vehicle when receiving the charging request information of the vehicle, and if the AC is suddenly online (the three-phase switch is suddenly pushed away), the first ACDC power module is controlled to discharge preferentially.

Optionally, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy includes: when the required charging power is less than or equal to the first threshold power, judging the electric quantity of the first battery pack; if the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity, controlling the first battery pack and a first ACDC power module to discharge simultaneously to charge the vehicle, wherein the first ACDC power module is an ACDC power module corresponding to an interface sending a charging request; and if the electric quantity of the first battery pack is smaller than the first threshold electric quantity, controlling the first ACDC power module to discharge to charge the vehicle.

In the above, the second case is as follows:

a: and if the electric quantity of the battery pack is sufficient and the required charging power is less than or equal to the power stored by the ACDC power module and the first battery pack, the first ACDC power module and the first battery pack simultaneously discharge the vehicle.

It should be noted that the first threshold electric quantity in this embodiment is 50% of the total electric quantity of the battery pack, wherein the specific threshold electric quantity may be specifically set by specific situations.

Meanwhile, the first threshold power in this embodiment is the total power stored by the ACDC power module + the first battery pack, where the specific first threshold power may also be specifically set by different schemes.

It should be noted that if the requested power of the vehicle is low in a special situation, it is sufficient to discharge only the first ACDC power module, and the DCDC is set to output no current.

b: if the required charging power is less than or equal to the first threshold power and the electric quantity of the first battery pack is less than the first threshold electric quantity, namely the electric quantity of the first battery pack is insufficient, only the first ACDC power module is controlled to discharge to charge the vehicle, so that the battery pack is prevented from being used without a strategy, and the service life of the first battery pack is prevented from being shortened.

Optionally, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy includes: when the required charging power is smaller than the second threshold power, judging whether the electric quantity of the first battery pack is smaller than or equal to the first threshold electric quantity; and if the electric quantity of the first battery pack is smaller than or equal to a first threshold electric quantity, controlling the first ACDC power module to discharge so as to charge the first battery pack and the vehicle.

c: when the AC is on-line, if the required charging power is less than or equal to the maximum power of the first ACDC power module and the electric quantity of the battery pack is insufficient, the first ACDC power module can supplement energy for the first battery pack while charging the vehicle.

Optionally, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy includes: when the required charging power is larger than the first threshold power, judging whether the electric quantity of the first battery pack is larger than or equal to the first threshold electric quantity; if the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity, judging whether a second ACDC power module is in an idle state, wherein the second ACDC power module is an ACDC power module corresponding to an interface which does not send a charging request; and if the second ACDC power module is in an idle state, controlling the first ACDC power module, the first battery pack and the second ACDC power module to discharge to charge the vehicle.

d: in the above, when the AC is online, if the required charging power is greater than the power contained in the first ACDC power module and the first battery pack, if the energy of the first battery pack is sufficient, it needs to be determined whether the second ACDC power module is in an idle state without charging, and if the second ACDC power module is in the idle state, the first ACDC power module, the first battery pack, and the second ACDC power module are controlled to simultaneously charge the vehicle requiring charging, so that the charging speed can be ensured and the charging time can be saved.

It should be noted that if the amount of electricity stored in PackA is too low, the battery pack is protected, and the external discharge can be stopped.

Optionally, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy includes: when the required charging power is greater than or equal to a second threshold power and smaller than a first threshold power, the first battery pack and the first ACDC power module are controlled to discharge to charge the vehicle, and the maximum value of the second threshold power is smaller than the minimum value of the first threshold power.

e: and if the required charging power is larger than or equal to the maximum power of the first ACDC power module and is smaller than or equal to the power stored by the PackA and the first ACDC power module, the first battery pack and the first ACDC power module are directly controlled to discharge to charge the vehicle without judging the electric quantity stored by the PackA.

In the above, when there is no vehicle charging request information, the ACDC power module supplements energy for the corresponding battery pack.

It should be noted that, when the electric quantity of one battery pack is sufficient and the electric quantity of the other battery pack is too low, the two sets of ACDCs simultaneously supply energy to the ACDCs which are too low, the energy supply rate is twice of the normal energy supply rate,

according to the charging method of the energy storage charging pile, provided by the embodiment of the invention, whether vehicle charging request information is received or not is detected; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; according to the comparison result, the energy storage charging pile is controlled to charge the vehicle through the corresponding charging strategy, the technical problem that the service life of a battery pack in the mobile charging pile in the related technology is short is solved, and the technical effect of improving the utilization rate of the charging equipment is achieved.

It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.

The embodiment of the invention also provides a charging device of the energy storage charging pile, and it should be noted that the charging device of the energy storage charging pile provided by the embodiment of the invention can be used for executing the charging method provided by the embodiment of the invention. The charging device for the energy storage charging pile provided by the embodiment of the invention is introduced below.

Fig. 3 is a schematic diagram of a charging device for an energy storage charging pile according to an embodiment of the invention. As shown in fig. 3, the energy storage charging pile includes a charging circuit, the charging circuit includes at least one ACDC power module, at least one battery pack, and at least one DCDC power module, the ACDC power module corresponds to the battery pack one to one, and the apparatus includes: a detection unit 301 for detecting whether vehicle charging request information is received; a determining unit 302, configured to determine, in a case where the charging request information is received, a required charging power included in the charging request information; a judging unit 303, configured to judge whether the alternating current in the charging circuit is online; a comparison unit 304, configured to compare the required charging power with the first threshold power and the second threshold power respectively and obtain a comparison result when the alternating current is online; and a first control unit 305, configured to control the energy storage charging pile to charge the vehicle according to the corresponding charging strategy according to the comparison result.

Optionally, the apparatus further comprises: and the second control unit is used for controlling the first battery pack to discharge to charge the vehicle if the alternating current is detected to be off-line after judging whether the alternating current in the charging circuit is on-line or not, wherein the first battery pack is the battery pack corresponding to the interface sending the charging request.

Alternatively, the first control unit 305 includes: the first judging subunit is used for judging the electric quantity of the first battery pack when the required charging power is less than or equal to a first threshold power; the first control subunit is used for controlling the first battery pack and the first ACDC power module to discharge simultaneously to charge the vehicle under the condition that the electric quantity of the first battery pack is greater than or equal to a first threshold electric quantity, wherein the first ACDC power module is an ACDC power module corresponding to an interface sending a charging request; and the second control subunit is used for controlling the first ACDC power module to discharge to charge the vehicle under the condition that the electric quantity of the first battery pack is smaller than the first threshold electric quantity.

Alternatively, the first control unit 305 includes: the second judgment subunit is used for judging whether the electric quantity of the first battery pack is less than or equal to the first threshold electric quantity when the required charging power is less than the second threshold power; and the third control subunit is used for controlling the first ACDC power module to discharge to charge the first battery pack and the vehicle under the condition that the electric quantity of the first battery pack is smaller than or equal to the first threshold electric quantity.

Alternatively, the first control unit 305 includes: the fourth judging subunit is used for judging whether the electric quantity of the first battery pack is greater than or equal to the first threshold electric quantity when the required charging power is greater than the first threshold power; a fifth judging subunit, configured to judge whether a second ACDC power module is in an idle state when the electric quantity of the first battery pack is greater than or equal to the first threshold electric quantity, where the second ACDC power module is an ACDC power module corresponding to an interface that does not send a charging request; and the sixth control subunit is used for controlling the first ACDC power module, the first battery pack and the second ACDC power module to discharge to charge the vehicle under the condition that the second ACDC power module is in an idle state.

Alternatively, the first control unit 305 includes: and the seventh control subunit is used for controlling the first battery pack and the first ACDC power module to discharge to charge the vehicle when the required charging power is greater than or equal to the second threshold power and smaller than the first threshold power, wherein the maximum value of the second threshold power is smaller than the minimum value of the first threshold power.

The charging device of the energy storage charging pile provided by the embodiment of the invention is used for detecting whether vehicle charging request information is received or not through the detection unit 301; a determining unit 302, configured to determine, in a case where the charging request information is received, a required charging power included in the charging request information; a judging unit 303, configured to judge whether the alternating current in the charging circuit is online; a comparison unit 304, configured to compare the required charging power with the first threshold power and the second threshold power respectively and obtain a comparison result when the alternating current is online; the first control unit 305 is configured to control the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result, so that the technical problem that a battery pack in the mobile charging pile in the related art is short in service life is solved, and the technical effect of improving the utilization rate of the charging equipment is achieved.

The embodiment of the invention provides an energy storage charging pile, which comprises a charging circuit and a charging device of the energy storage charging pile, wherein the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the charging device of the energy storage charging pile is used for executing the charging method of the energy storage charging pile.

The charging device for the energy storage charging pile comprises a processor and a memory, wherein the detection unit and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.

The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can set one or more than one, and the technical problem that the service life of a battery pack in the mobile charging pile in the related technology is short is solved by adjusting the kernel parameters.

The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.

The embodiment of the invention provides a computer-readable storage medium, wherein a program is stored on the computer-readable storage medium, and when the program is executed by a processor, the program realizes a charging method of an energy storage charging pile.

The embodiment of the invention provides a processor, wherein the processor is used for running a program, and a charging method of an energy storage charging pile is executed when the program runs.

The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: detecting whether vehicle charging request information is received; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; and controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result.

Optionally, according to the comparison result, controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy includes: when the required charging power is greater than or equal to a second threshold power and smaller than a first threshold power, the first battery pack and the first ACDC power module are controlled to discharge to charge the vehicle, and the maximum value of the second threshold power is smaller than the minimum value of the first threshold power. The device herein may be a server, a PC, a PAD, a mobile phone, etc.

The invention also provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: detecting whether vehicle charging request information is received; if the charging request information is received, determining the required charging power contained in the charging request information; judging whether the alternating current in the charging circuit is on line or not; if the alternating current is on-line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result; and controlling the energy storage charging pile to charge the vehicle through the corresponding charging strategy according to the comparison result.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.

The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.

Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A charging method of an energy storage charging pile is characterized in that the energy storage charging pile comprises a charging circuit, the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the method comprises the following steps:

detecting whether vehicle charging request information is received;

if the charging request information is received, determining the required charging power contained in the charging request information;

judging whether the alternating current in the charging circuit is on line or not;

if the alternating current is on line, comparing the required charging power with a first threshold power and a second threshold power respectively, and obtaining a comparison result;

and controlling the energy storage charging pile to charge the vehicle through a corresponding charging strategy according to the comparison result.

2. The method of claim 1, wherein after determining whether the alternating current in the charging circuit is online, the method further comprises:

and if the alternating current is detected to be offline, controlling a first battery pack to discharge so as to charge the vehicle, wherein the first battery pack is the battery pack corresponding to the interface which sends the charging request.

3. The method of claim 2, wherein controlling the energy storage charging post to charge the vehicle through the corresponding charging strategy according to the comparison result comprises:

when the required charging power is less than or equal to the first threshold power, judging the electric quantity of the first battery pack;

if the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity, controlling the first battery pack and a first ACDC power module to discharge simultaneously to charge the vehicle, wherein the first ACDC power module is the ACDC power module corresponding to an interface sending the charging request;

and if the electric quantity of the first battery pack is smaller than the first threshold electric quantity, controlling the first ACDC power module to discharge to charge the vehicle.

4. The method of claim 3, wherein controlling the energy storage charging post to charge the vehicle according to the corresponding charging strategy according to the comparison result comprises:

when the required charging power is smaller than a second threshold power, judging whether the electric quantity of the first battery pack is smaller than or equal to a first threshold electric quantity;

if the electric quantity of the first battery pack is smaller than or equal to the first threshold electric quantity, controlling the first ACDC power module to discharge to charge the first battery pack and the vehicle.

5. The method of claim 3, wherein controlling the energy storage charging post to charge the vehicle according to the corresponding charging strategy according to the comparison result comprises:

when the required charging power is larger than the first threshold power, judging whether the electric quantity of the first battery pack is larger than or equal to a first threshold electric quantity;

if the electric quantity of the first battery pack is larger than or equal to the first threshold electric quantity, judging whether a second ACDC power module is in an idle state, wherein the second ACDC power module is the ACDC power module corresponding to an interface which does not send the charging request;

controlling the first ACDC power module, the first battery pack, and the second ACDC power module to discharge to charge the vehicle if the second ACDC power module is in the idle state.

6. The method of claim 3, wherein controlling the energy storage charging post to charge the vehicle according to the corresponding charging strategy according to the comparison result comprises:

when the required charging power is greater than or equal to a second threshold power and smaller than the first threshold power, the first battery pack and the first ACDC power module are controlled to discharge to charge the vehicle, and the maximum value of the second threshold power is smaller than the minimum value of the first threshold power.

7. A charging device of an energy storage charging pile, wherein the energy storage charging pile comprises a charging circuit, the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the device comprises:

a detecting unit for detecting whether the vehicle charging request information is received;

a determination unit configured to determine, when the charging request information is received, a required charging power included in the charging request information;

the judging unit is used for judging whether the alternating current in the charging circuit is on line or not;

the comparison unit is used for comparing the required charging power with a first threshold power and a second threshold power respectively under the condition that the alternating current is on line, and obtaining a comparison result;

and the first control unit is used for controlling the energy storage charging pile to charge the vehicle through a corresponding charging strategy according to the comparison result.

8. An energy storage charging pile, comprising a charging circuit and a charging device, wherein the charging circuit comprises at least one ACDC power module, at least one battery pack and at least one DCDC power module, the ACDC power modules correspond to the battery packs one to one, and the charging device is configured to perform the charging method of the energy storage charging pile according to any one of claims 1 to 6.

9. A computer-readable storage medium, comprising a stored program, wherein when the program runs, the computer-readable storage medium controls a device to execute the method for charging an energy storage charging post according to any one of claims 1 to 6.

10. A processor, characterized in that the processor is configured to execute a program, wherein the program executes a method for charging an energy storage charging pile according to any one of claims 1 to 6.