CN115139823A

CN115139823A - Charging method, device and equipment based on dual-source battery pack and readable storage medium

Info

Publication number: CN115139823A
Application number: CN202210951191.4A
Authority: CN
Inventors: 孙振建; 姚林; 李淑齐; 李新平; 蔡佳兴; 汪金昊
Original assignee: IAT Automobile Technology Co Ltd
Current assignee: IAT Automobile Technology Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-04

Abstract

The application provides a charging method and device based on a dual-source battery pack, electronic equipment and a computer readable storage medium. The charging method based on the dual-source battery pack comprises the following steps: executing OBC (on-board battery) awakening self-checking operation of a vehicle-mounted charger based on an electric vehicle regulation control strategy in a vehicle Key on mode; judging whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed; generating a control instruction under the condition that the first battery pack and the second battery pack both meet corresponding preset conditions; and controlling the second battery pack to charge the first battery pack based on the control instruction. According to the embodiment of the application, the charging problem of the new energy automobile can be solved.

Description

Charging method, device and equipment based on dual-source battery pack and readable storage medium

Technical Field

The application belongs to the field of charging of new energy automobiles, and particularly relates to a charging method and device based on a dual-source battery pack, electronic equipment and a computer readable storage medium.

Background

At present, in a new energy automobile charging scene, problems of short charging facilities, long charging time and the like are often encountered, and further, the travel distance is influenced and the travel mileage anxiety is generated.

Therefore, how to solve the charging problem of the new energy automobile is a technical problem that needs to be solved urgently by the technical personnel in the field.

Disclosure of Invention

The embodiment of the application provides a charging method and device based on a dual-source battery pack, electronic equipment and a computer readable storage medium, and the charging problem of a new energy automobile can be solved.

In a first aspect, an embodiment of the present application provides a charging method based on a dual-source battery pack, including:

executing an On-board Charger (OBC) awakening self-checking operation based On an electric vehicle regulation control strategy in a vehicle Key On mode;

judging whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed;

generating a control instruction under the condition that the first battery pack and the second battery pack both meet corresponding preset conditions;

and controlling the second battery pack to charge the first battery pack based on the control instruction.

In one embodiment, the first battery pack and the second battery pack are connected by an OBC power circuit.

In one embodiment, the OBC power circuit includes a boost power circuit; the boosting power circuit is suitable for boosting the voltage of 160V-220V to the voltage of 340V-360V.

In one embodiment, the second battery pack is a battery pack formed by connecting a plurality of battery packs in series.

In one embodiment, each battery pack adopts a lithium ion high-density ternary battery, the electric quantity is 1.5-2 kWh, and the voltage working range is 39-54.6V;

the four battery packs are connected in series to form a battery pack with the output voltage of 160-220V and the electric quantity of 6-8 kWh.

In one embodiment, the determining whether the first battery pack and the second battery pack in the dual-source battery pack both satisfy the corresponding preset condition includes:

and judging whether the respective voltages and the battery charge states of the first battery pack and the second battery pack meet corresponding preset conditions.

In one embodiment, controlling the second battery pack to charge the first battery pack based on the control instruction comprises:

and controlling the OBC to start, stop and output based on the control instruction so as to control the second battery pack to charge the first battery pack.

In a second aspect, an embodiment of the present application provides a charging device based on a dual-source battery pack, including:

the OBC awakening self-inspection operation execution module is used for executing OBC awakening self-inspection operation of the vehicle-mounted charger based on an electric vehicle adjustment control strategy in a vehicle Key on mode;

the judging module is used for judging whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed;

the control instruction generating module is used for generating a control instruction under the condition that the first battery pack and the second battery pack both meet corresponding preset conditions;

and the charging control module is used for controlling the second battery pack to charge the first battery pack based on the control instruction.

In one embodiment, the determining module is configured to: and judging whether the respective voltages and the battery charge states of the first battery pack and the second battery pack meet corresponding preset conditions.

In one embodiment, the charging control module is to: and controlling the OBC to start, stop and output based on the control instruction so as to control the second battery pack to charge the first battery pack.

In a third aspect, an embodiment of the present application provides an electronic device, where the electronic device includes: a processor and a memory storing computer program instructions;

the processor, when executing the computer program instructions, implements the dual source battery pack-based charging method as shown in the first aspect.

In a fourth aspect, the present application provides a computer-readable storage medium, on which computer program instructions are stored, and when executed by a processor, the method for charging based on a dual-source battery pack as shown in the first aspect is implemented.

The charging method and device based on the dual-source battery pack, the electronic equipment and the computer readable storage medium can solve the charging problem of the new energy automobile.

The charging method based on the double-source battery pack comprises the following steps: executing an On-board Charger (OBC) awakening self-checking operation based On an electric vehicle regulation control strategy in a vehicle Key On mode; judging whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed; generating a control instruction under the condition that the first battery pack and the second battery pack both meet corresponding preset conditions; and controlling the second battery pack to charge the first battery pack based on the control instruction.

Therefore, the first battery pack and the second battery are arranged in the double-source battery pack, and the second battery pack can be controlled to charge the first battery pack under the condition that corresponding preset conditions are met, so that the charging problem of the new energy automobile can be solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments or the technical solutions in the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained according to these drawings by those skilled in the art without creative efforts.

Fig. 1 is a schematic flowchart of a charging method based on a dual-source battery pack according to an embodiment of the present application;

fig. 2 is a schematic connection diagram of a dual-source battery pack provided in an embodiment of the present application;

FIG. 3 is a schematic diagram of an OBC connection provided by one embodiment of the present application;

FIG. 4 is a schematic diagram of a control strategy provided by an embodiment of the present application;

fig. 5 is a schematic structural diagram of a charging device based on a dual-source battery pack according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

Features of various aspects and exemplary embodiments of the present application will be described in detail below, and in order to make objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are intended to be illustrative only and are not intended to be limiting. It will be apparent to one skilled in the art that the present application may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present application by illustrating examples thereof.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

In order to solve the prior art problems, embodiments of the present application provide a charging method and apparatus based on a dual-source battery pack, an electronic device, and a computer-readable storage medium. First, a charging method based on a dual-source battery pack provided in an embodiment of the present application is described below.

Fig. 1 shows a schematic flowchart of a charging method based on a dual-source battery pack according to an embodiment of the present application. As shown in fig. 1, the charging method based on the dual-source battery pack includes:

s101, executing OBC (on-board battery) awakening self-checking operation of a vehicle-mounted charger based on an electric vehicle adjustment control strategy in a vehicle Key on mode;

s102, judging whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed;

Specifically, fig. 2 is a schematic connection diagram of a dual-source battery pack according to an embodiment of the present disclosure, and as shown in fig. 2, a battery pack a in fig. 2 is a first battery pack, and a battery pack B is a second battery pack.

Fig. 3 is a schematic diagram of OBC connection provided in an embodiment of the present application, and as shown in fig. 3, in order to improve the design of a dual-source battery pack, newly added parts are reduced to the maximum extent, and the operating characteristics and the operating capability of the OBC in the driving process of the electric vehicle are fully utilized, the battery pack B is connected to the battery pack a through an OBC power circuit inside an IPU, and a control strategy is adjusted by the electric vehicle, so that the OBC is waken up in a Key on mode of the vehicle, and operates in a constant current mode, and the OBC is controlled to be started, stopped, and output (the battery pack B charges the battery pack a) according to a control instruction. Wherein, the OBC internal power circuit adopts a device capable of adapting 160V-220V voltage boosting to 340-360V, which can be seen in FIG. 3 specifically; the control strategy can be seen in particular in fig. 4.

S103, generating a control instruction under the condition that the first battery pack and the second battery pack both meet corresponding preset conditions;

in one embodiment, the determining whether the first battery pack and the second battery pack in the dual-source battery pack both satisfy the corresponding preset condition includes: and judging whether the respective voltages and the battery charge states of the first battery pack and the second battery pack meet corresponding preset conditions.

And S104, controlling the second battery pack to charge the first battery pack based on the control instruction.

In one embodiment, controlling the second battery pack to charge the first battery pack based on the control instruction comprises: and controlling the OBC to start, stop and output based on the control instruction so as to control the second battery pack to charge the first battery pack.

In summary, the double-source battery pack of the method comprises the first battery pack and the second battery, and the second battery pack can be controlled to charge the first battery pack under the condition that the corresponding preset conditions are met, so that the charging problem of the new energy automobile can be solved.

According to the invention, the battery pack B is added on the basis of the rear tail box of the new energy automobile, and the inverter circuit of the OBC device is utilized to realize the application of the battery pack B to the charging of the battery pack A when no charging facility exists in the external environment, so that the travel anxiety is solved.

The invention estimates by theory: by means of the OBC electric quantity conversion efficiency of 90%, the electric quantity of about 5-7 kWh can be actually charged to the battery pack A by the battery pack B through estimation of the electricity consumption of 12kWh in hundred kilometers of new energy automobiles below A level, and the mileage is increased by about 50 km.

Fig. 5 is a schematic structural diagram of a charging device based on a dual-source battery pack according to an embodiment of the present application, and as shown in fig. 5, the charging device based on the dual-source battery pack includes:

the OBC awakening self-inspection operation execution module 501 is used for executing OBC awakening self-inspection operation of a vehicle-mounted charger based on an electric vehicle adjustment control strategy in a vehicle Key on mode;

the determining module 502 is configured to determine whether a first battery pack and a second battery pack in the dual-source battery pack both meet corresponding preset conditions under the condition that the OBC wake-up self-test operation is successfully executed;

a control instruction generating module 503, configured to generate a control instruction when both the first battery pack and the second battery pack meet corresponding preset conditions;

and the charging control module 504 is configured to control the second battery pack to charge the first battery pack based on the control instruction.

In one embodiment, the determining module 502 is configured to: and judging whether the respective voltages and the battery charge states of the first battery pack and the second battery pack meet corresponding preset conditions.

In one embodiment, the charging control module 504 is configured to: and controlling the OBC to start, stop and output based on the control instruction so as to control the second battery pack to charge the first battery pack.

Each module/unit in the apparatus shown in fig. 5 has a function of implementing each step in fig. 1, and can achieve corresponding technical effects, and for brevity, no further description is provided here.

Fig. 6 shows a schematic structural diagram of an electronic device provided in an embodiment of the present application.

The electronic device may comprise a processor 601 and a memory 602 in which computer program instructions are stored.

Specifically, the processor 601 may include a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or may be configured to implement one or more Integrated circuits of the embodiments of the present Application.

Memory 602 may include a mass storage for data or instructions. By way of example, and not limitation, memory 602 may include a Hard Disk Drive (HDD), floppy Disk Drive, flash memory, optical Disk, magneto-optical Disk, magnetic tape, or Universal Serial Bus (USB) Drive or a combination of two or more of these. Memory 602 may include removable or non-removable (or fixed) media, where appropriate. The memory 602 may be internal or external to the electronic device, where appropriate. In certain embodiments, the memory 602 may be non-volatile solid-state memory.

In one embodiment, memory 602 may be a Read Only Memory (ROM). In one embodiment, the ROM may be mask-programmed ROM, programmable ROM (PROM), erasable PROM (EPROM), electrically Erasable PROM (EEPROM), electrically rewritable ROM (EAROM), or flash memory, or a combination of two or more of these.

The processor 601 may implement any one of the above-described dual source battery pack-based charging methods by reading and executing computer program instructions stored in the memory 602.

In one example, the electronic device may also include a communication interface 603 and a bus 610. As shown in fig. 6, the processor 601, the memory 602, and the communication interface 603 are connected via a bus 610 to complete communication therebetween.

The communication interface 603 is mainly used for implementing communication between modules, apparatuses, units and/or devices in the embodiments of the present application.

The bus 610 includes hardware, software, or both to couple the components of the electronic device to one another. By way of example, and not limitation, a bus may include an Accelerated Graphics Port (AGP) or other graphics bus, an Enhanced Industry Standard Architecture (EISA) bus, a Front Side Bus (FSB), a Hypertransport (HT) interconnect, an Industry Standard Architecture (ISA) bus, an infiniband interconnect, a Low Pin Count (LPC) bus, a memory bus, a Micro Channel Architecture (MCA) bus, a Peripheral Component Interconnect (PCI) bus, a PCI-Express (PCI-X) bus, a Serial Advanced Technology Attachment (SATA) bus, a video electronics standards association local (VLB) bus, or other suitable bus or a combination of two or more of these. Bus 610 may include one or more buses, where appropriate. Although specific buses are described and shown in the embodiments of the application, any suitable buses or interconnects are contemplated by the application.

In addition, in combination with the charging method based on the dual-source battery pack in the foregoing embodiments, the embodiments of the present application may be implemented by providing a computer-readable storage medium. The computer readable storage medium having stored thereon computer program instructions; the computer program instructions, when executed by a processor, implement any of the above-described embodiments of a dual source battery pack-based charging method.

It is to be understood that the present application is not limited to the particular arrangements and instrumentalities described above and shown in the attached drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present application are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications, and additions or change the order between the steps after comprehending the spirit of the present application.

The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the present application are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranets, etc.

It should also be noted that the exemplary embodiments mentioned in this application describe some methods or systems based on a series of steps or devices. However, the present application is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.

Aspects of the present application are described above with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations 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, 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, enable the implementation of the functions/acts specified in the flowchart and/or block diagram block or blocks. Such a processor may be, but is not limited to, a general purpose processor, a special purpose processor, an application specific processor, or a field programmable logic circuit. It will also be understood that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware for performing the specified functions or acts, or combinations of special purpose hardware and computer instructions.

As described above, only the specific embodiments of the present application are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present application, and these modifications or substitutions should be covered within the scope of the present application.

Claims

1. A charging method based on a dual-source battery pack is characterized by comprising the following steps:

executing OBC (on-board battery) awakening self-checking operation of a vehicle-mounted charger based on an electric vehicle regulation control strategy in a vehicle Key on mode;

2. The dual source battery pack-based charging method of claim 1, wherein the first battery pack and the second battery pack are connected by an OBC power circuit.

3. The dual source battery pack-based charging method of claim 2, wherein the OBC power circuit comprises a boost power circuit; the boosting power circuit is suitable for boosting the voltage of 160V-220V to the voltage of 340V-360V.

4. The dual source battery pack-based charging method according to claim 2, wherein the second battery pack is a battery pack formed by a plurality of battery packs connected in series.

5. The charging method based on the dual-source battery pack according to claim 4, wherein each battery pack adopts a lithium ion high-density ternary battery, the electric quantity is 1.5-2 kWh, and the voltage working range is 39-54.6V;

6. The charging method based on the dual-source battery pack according to claim 1, wherein the determining whether the first battery pack and the second battery pack in the dual-source battery pack both satisfy the corresponding preset conditions comprises:

7. The charging method based on the dual-source battery pack according to claim 1, wherein the controlling the second battery pack to charge the first battery pack based on the control instruction comprises:

8. A charging device based on a dual-source battery pack is characterized by comprising:

the judging module is used for judging whether a first battery pack and a second battery pack in the double-source battery pack both meet corresponding preset conditions or not under the condition that the OBC awakening self-checking operation is successfully executed;

9. An electronic device, characterized in that the electronic device comprises: a processor and a memory storing computer program instructions;

the processor, when executing the computer program instructions, implements the dual source battery pack-based charging method of any of claims 1-7.

10. A computer-readable storage medium having computer program instructions stored thereon, which when executed by a processor implement the dual source battery pack-based charging method according to any one of claims 1 to 7.