CN115782664A - Battery charging method, system, electronic equipment and storage medium - Google Patents
Battery charging method, system, electronic equipment and storage medium Download PDFInfo
- Publication number
- CN115782664A CN115782664A CN202211477715.7A CN202211477715A CN115782664A CN 115782664 A CN115782664 A CN 115782664A CN 202211477715 A CN202211477715 A CN 202211477715A CN 115782664 A CN115782664 A CN 115782664A
- Authority
- CN
- China
- Prior art keywords
- voltage
- charging
- capacitor
- preset
- determining
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application relates to a battery charging method, a system, electronic equipment and a storage medium, wherein the battery charging method comprises the steps of obtaining insulation detection voltage, controlling a charging pile to be charged according to a boosting charging mode if the insulation detection voltage value is smaller than or equal to a preset insulation voltage value threshold value, controlling the charging pile to be charged according to a direct current charging mode if the insulation detection voltage value is larger than the preset insulation voltage value threshold value, namely obtaining the insulation detection voltage when self-checking of the charging pile is carried out, and comparing the insulation detection voltage with the preset insulation voltage value threshold value to determine whether boosting charging is needed or not.
Description
Technical Field
The invention relates to the technical field of automobile energy, in particular to a battery charging method, a battery charging system, electronic equipment and a storage medium.
Background
In the development process of new energy automobiles, the development of the new energy automobiles is always restricted by the problems of slow charging, difficult charging and the like. In order to relieve charging anxiety and mileage anxiety of new energy automobiles during traveling, it is very urgent to shorten the time for single charging, and therefore, the development of a power battery system of a high-voltage platform is an important development direction of new energy automobiles.
At present, the 800V charging pile for charging the high-voltage platform battery is relatively few, and when the voltage level of the power battery is increased to 800V, the battery system needs to be integrated with a boosting charging function, so that the charging pile is compatible with 500V charging pile in the market.
For being compatible with a 500V charging pile, a boosting charging module is required to be added to a high-voltage platform battery, and boosting judgment and control steps are added in the original direct-current charging process so as to achieve the charging required voltage of the battery.
In summary, a battery charging method capable of effectively determining whether the output capability of the charging pile can match the charging requirement of the power battery is needed.
Disclosure of Invention
One of the purposes of the invention is to provide a battery charging method, which is used for effectively judging whether the output capacity of a charging pile can be matched with the charging requirement of a power battery; the second purpose is to provide a battery charging system; it is a third object to provide an electronic device; it is a fourth object to provide a storage medium.
To achieve the above object, in a first aspect, the present application provides a battery charging method comprising:
acquiring insulation detection voltage, wherein the insulation detection voltage is the voltage output by the charging pile when the insulation performance between the charging pile and the battery to be charged is detected;
if the insulation detection voltage value is smaller than or equal to the preset insulation voltage value threshold value, controlling the charging pile to charge according to a boosting charging mode;
and if the insulation detection voltage value is larger than the preset insulation voltage value threshold value, controlling the charging pile to charge according to a direct current charging mode.
In an exemplary embodiment of the present application, the insulation detection voltage is obtained during the charging handshake phase.
In an exemplary embodiment of the present application, controlling the charging pile to charge according to a boost charging mode includes:
acquiring the highest allowable charging voltage and voltage reduction of a battery to be charged;
if the highest allowable charging voltage is smaller than a preset allowable charging voltage threshold, acquiring the voltage at two ends of the voltage reduction capacitor and the output voltage of the charging pile after a preset first time period;
determining a first capacitor voltage difference based on the voltages at the two ends of the voltage reduction capacitor;
if the first capacitor voltage difference is smaller than a preset first capacitor voltage difference threshold value, controlling to close the capacitor relay, and if the output voltage is smaller than a preset output voltage threshold value, controlling to close the boost relay and controlling to electrify the charging pile at a high voltage;
acquiring the opening and closing states of a main positive relay and a main negative relay in the high-voltage electrifying process, wherein the opening and closing states comprise closing;
if the on-off states of the main positive relay and the main negative relay are both closed, sending a voltage reduction request;
acquiring a target voltage to be reached by a voltage reduction request and an output end voltage of a charging pile;
diagnosing a boosting circuit, a voltage reduction circuit and a voltage reduction capacitor, and determining the states of the boosting circuit, the voltage reduction circuit and the voltage reduction capacitor, wherein the states comprise normal and fault;
if the states are normal and the voltage of the output end is greater than or equal to the target voltage, acquiring the output current of the charging pile;
and if the output current is larger than the preset current threshold, the capacitor relay is disconnected, and the battery to be charged is charged.
In an exemplary embodiment of the present application, determining a state of a boost circuit includes:
acquiring voltages of any two sampling points on the booster circuit;
determining a first voltage difference according to the voltages of any two sampling points on the booster circuit;
and determining the state of the boosting loop based on the first voltage difference and a preset first voltage difference threshold value.
In an exemplary embodiment of the present application, determining a state of a boost circuit includes:
if the first voltage difference is smaller than a preset first voltage difference threshold value, determining the state of the booster circuit as normal;
and if the first voltage difference is greater than or equal to a preset first voltage difference threshold value, determining the state of the booster circuit as a fault.
In an exemplary embodiment of the present application, determining the state of the buck capacitor includes:
acquiring the voltage at two ends of a step-down capacitor at any sampling point on a capacitor step-down circuit and the variable-voltage output current of a charging pile;
determining a second capacitor voltage difference based on the voltage at two ends of the voltage reduction capacitor at any sampling point on the capacitor voltage reduction circuit;
and determining the state of the voltage reduction capacitor based on the second capacitor voltage difference, the transformation output current, a pre-second capacitor voltage difference threshold value and a pre-set transformation output current threshold value.
In an exemplary embodiment of the present application, determining the state of the buck capacitor includes:
if the voltage difference of the second capacitor is greater than or equal to a preset second capacitor voltage difference threshold value, or the transformation output current is smaller than a preset transformation output current threshold value, determining the state of the voltage reduction capacitor as normal;
and if the voltage difference of the second capacitor is smaller than a preset second capacitor voltage difference threshold value and the transformation output current is larger than or equal to a preset transformation output current threshold value, determining the state of the voltage reduction capacitor as a fault.
In an exemplary embodiment of the present application, the battery charging method further includes:
acquiring the current charging amount of a battery to be charged;
if the current charging amount is larger than or equal to the preset charging amount threshold value, the requested current is adjusted to be 0;
acquiring the current output current of a battery to be charged;
and if the current output current is less than or equal to the preset current threshold, controlling the charging pile to stop charging.
In a second aspect, the present application provides a battery charging system comprising:
the charging device comprises an acquisition module, a charging module and a charging module, wherein the acquisition module is used for acquiring insulation detection voltage, and the insulation detection voltage is the voltage output by a charging pile when the insulation performance between the charging pile and a battery to be charged is detected;
the first control module is used for controlling the charging pile to charge according to a boosting charging mode if the insulation detection voltage value is smaller than or equal to a preset insulation voltage value threshold value;
and the second control module is used for controlling the charging pile to charge according to the direct current charging mode if the insulation detection voltage value is greater than the preset insulation voltage value threshold value.
In a third aspect, the present application provides an electronic device comprising:
one or more processors;
a storage device to store one or more programs that, when executed by the one or more processors, cause the electronic device to implement the battery charging method as described above.
In a fourth aspect, the present application provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to execute the battery charging method as described above.
The invention has the beneficial effects that:
this application is through obtaining insulating detection voltage, if insulating detection voltage value is less than or equal to predetermineeing insulating voltage value threshold value, control fills electric pile and charges according to the charging mode that steps up, if insulating detection voltage value is greater than predetermineeing insulating voltage value threshold value, control fills electric pile and charges according to the direct current charging mode, do insulating detection voltage when insulating detection promptly through obtaining filling electric pile self-checking, and compare insulating detection voltage and predetermineeing insulating voltage value threshold value, with this confirm whether to need to step up the charging.
Drawings
FIG. 1 is a flow chart illustrating a method of charging a battery according to an exemplary embodiment of the present application;
FIG. 2 is a flow diagram of an exemplary embodiment of controlling a charging post to charge in a boost charging mode according to the embodiment of FIG. 1;
FIG. 3 is a flow chart of determining the state of the boost circuit in the embodiment shown in FIG. 2 in an exemplary embodiment;
FIG. 4 is a flow chart of determining a state of a boost circuit in the embodiment of FIG. 3 in an exemplary embodiment
FIG. 5 is a flow chart of the determination of the state of the buck capacitance in the embodiment of FIG. 2 in an exemplary embodiment;
FIG. 6 is a flow chart of determining the state of the buck capacitor in the embodiment of FIG. 5 in an exemplary embodiment;
FIG. 7 is a flow chart illustrating a battery charging method according to another exemplary embodiment of the present application;
FIG. 8 is a flow chart illustrating a method of charging a battery according to an embodiment of the present application;
FIG. 9 is a schematic diagram of a hardware device upon which the embodiment of FIG. 8 relies;
FIG. 10 is a flow chart of a parameter configuration phase in the embodiment of FIG. 8;
FIG. 11 is a block diagram of a battery charging system shown in an exemplary embodiment of the present application;
FIG. 12 illustrates a schematic structural diagram of a computer system suitable for use in implementing the electronic device of an embodiment of the present application.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure herein, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings and preferred embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be understood that the preferred embodiments are illustrative of the invention only and are not limiting upon the scope of the invention.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, amount and proportion of each component in actual implementation can be changed freely, and the layout of the components can be more complicated.
In the following description, numerous details are set forth to provide a more thorough explanation of embodiments of the present invention, however, it will be apparent to one skilled in the art that embodiments of the present invention may be practiced without these specific details, and in other embodiments, well-known structures and devices are shown in block diagram form, rather than in detail, in order to avoid obscuring embodiments of the present invention.
Referring to fig. 1, fig. 1 is a flowchart illustrating a battery charging method according to an exemplary embodiment of the present disclosure.
As shown in fig. 1, in an exemplary embodiment of the present application, the battery charging method at least includes steps S110 to S130, which are described in detail as follows:
s110, obtaining insulation detection voltage;
it should be noted that the insulation detection voltage is a voltage output by the charging pile when the insulation performance between the charging pile and the battery to be charged is detected; specifically, the insulation detection voltage is obtained in the charging handshake phase, and whether boosting charging is carried out or not can be judged in the charging handshake phase by obtaining the insulation detection voltage in the charging handshake phase, so that boosting control time is reserved for a battery system, and a boosting charging process is optimized.
S120, if the insulation detection voltage value is smaller than or equal to a preset insulation voltage value threshold value, controlling the charging pile to charge according to a boosting charging mode;
and S130, if the insulation detection voltage value is larger than a preset insulation voltage value threshold value, controlling the charging pile to charge according to a direct current charging mode.
Referring to fig. 2, fig. 2 is a flowchart illustrating an exemplary embodiment of the method for controlling the charging pile to charge according to the boost charging mode in the embodiment shown in fig. 1.
As shown in fig. 2, in an exemplary embodiment of the application, a process of controlling the charging pile to charge according to the boost charging mode in the embodiment shown in fig. 1 includes steps S210 to S290, which are described in detail as follows:
s210, acquiring the highest allowable charging voltage and voltage reduction of a battery to be charged;
s220, if the highest allowable charging voltage is smaller than a preset allowable charging voltage threshold value, acquiring the voltage at two ends of a voltage reduction capacitor and the output voltage of a charging pile after a preset first time period;
step S230, determining a first capacitor voltage difference based on the voltages at two ends of the voltage reduction capacitor;
specifically, the difference between the voltages at the two ends of the step-down capacitor is the first capacitor voltage difference;
s240, if the first capacitor voltage difference is smaller than a preset first capacitor voltage difference threshold value, controlling to close a capacitor relay, and if the output voltage is smaller than a preset output voltage threshold value, controlling to close a boost relay and controlling to electrify a charging pile at a high voltage;
s250, acquiring the opening and closing states of a main positive relay and a main negative relay in the high-voltage electrifying process;
it should be noted that the open/close state includes closed.
S260, if the on-off states of the main positive relay and the main negative relay are closed, acquiring a target voltage to be reached by a voltage reduction request and an output end voltage of the charging pile;
s270, diagnosing the boosting circuit, the step-down circuit and the step-down capacitor, and determining the states of the boosting circuit, the step-down circuit and the step-down capacitor;
it should be noted that the status includes normal and failure;
specifically, the step-up circuit, the step-down circuit and the step-down capacitor are diagnosed to determine whether there is an open circuit of the step-up circuit, an open circuit of the step-down circuit and a short circuit of the step-down capacitor, if there is an open circuit of the step-up circuit, the state of the step-up circuit is a fault, and similarly, if there is an open circuit of the step-down circuit, the state of the step-down circuit is a fault. And if the voltage reduction capacitor has a short circuit, the state of the voltage reduction capacitor is a fault.
S280, if the states are normal and the voltage of the output end of the charging pile is greater than or equal to the target voltage, acquiring the output current of the charging pile;
and S280, if the output current is larger than a preset current threshold value, disconnecting the capacitor relay and charging the battery to be charged.
And updating the request current and the request voltage in real time in the charging process.
Referring to fig. 3, fig. 3 is a flow chart of determining a state of the boost circuit in the embodiment shown in fig. 2 in an exemplary embodiment.
As shown in fig. 3, in an exemplary embodiment of the present application, the process of determining the state of the boost circuit in the embodiment shown in fig. 2 includes steps S310 to S330, which are described in detail as follows:
s310, acquiring voltages of any two sampling points on the booster circuit;
s320, determining a first voltage difference according to the voltages of any two sampling points on the booster circuit;
specifically, the difference between the voltages of any two sampling points on the boost circuit is a first voltage difference;
step S330, determining the state of the boosting loop based on the first voltage difference and a preset first voltage difference threshold value.
Referring to fig. 4, fig. 4 is a flowchart of determining the open state of the boost circuit in the embodiment shown in fig. 3 in an exemplary embodiment.
As shown in fig. 4, in an exemplary embodiment of the present application, the process of determining the state of the boost circuit in the embodiment shown in fig. 3 includes steps S410 to S420, which are described in detail as follows:
s410, if the first voltage difference is smaller than a preset first voltage difference threshold value, determining the state of the booster circuit to be normal;
step S420, if the first voltage difference is larger than or equal to a preset first voltage difference threshold value, determining the state of the booster circuit as a fault.
Similarly, the state of the voltage reduction circuit is determined:
acquiring the voltages of any two sampling points on the voltage reduction loop;
determining a second voltage difference according to the voltages of any two sampling points on the voltage reduction loop;
determining the state of the voltage reduction loop based on the second voltage difference and a preset second voltage difference threshold, and specifically determining the state of the voltage reduction loop as normal if the second voltage difference is smaller than the preset second voltage difference threshold; and if the second voltage difference is greater than or equal to the preset second voltage difference threshold value, determining the state of the voltage reduction loop as a fault.
Referring to fig. 5, fig. 5 is a flow chart of determining the state of the buck capacitor in the embodiment of fig. 2 in an exemplary embodiment.
As shown in fig. 5, in an exemplary embodiment of the present application, the process of determining the state of the buck capacitor in the embodiment shown in fig. 2 includes steps S510 to S530, which are described in detail as follows:
step 510, obtaining the voltage at two ends of a step-down capacitor at any sampling point on a capacitor step-down circuit and the variable voltage output current of a charging pile;
it should be noted that the variable-voltage output current refers to a current output by the charging pile after the current is boosted, that is, a current input to one end of the battery to be charged.
S520, determining a second capacitor voltage difference based on the voltage at two ends of a voltage reduction capacitor at any sampling point on a capacitor voltage reduction circuit;
specifically, the difference between the voltages at the two ends of the step-down capacitor at any sampling point on the capacitor step-down circuit is the second capacitor voltage difference;
step S530, determining the state of the voltage reduction capacitor based on the second capacitor voltage difference, the transformation output current, the preset second capacitor voltage difference threshold and the preset transformation output current threshold.
Referring to fig. 6, fig. 6 is a flow chart of determining the state of the buck capacitor in the embodiment shown in fig. 5 in an exemplary embodiment.
As shown in fig. 6, in an exemplary embodiment of the present application, the process of determining the state of the buck capacitor in the embodiment shown in fig. 5 includes steps S610 to S620, which are described in detail as follows:
s610, if the voltage difference of the second capacitor is greater than or equal to a preset second capacitor voltage difference threshold value, or the voltage transformation output current is smaller than a preset voltage transformation output current threshold value, determining the state of the voltage reduction capacitor as normal;
step S620, if the voltage difference of the second capacitor is smaller than a preset second capacitor voltage difference threshold value, and the variable voltage output current is larger than or equal to a preset variable voltage output current threshold value, determining the state of the voltage reduction capacitor as a fault.
Referring to fig. 7, fig. 7 is a flowchart illustrating a battery charging method according to another exemplary embodiment of the present application.
As shown in fig. 7, in another exemplary embodiment of the present application, the battery charging method further includes steps S740 to S770, which are described in detail as follows:
step S740, acquiring the current charging quantity of the battery to be charged;
s750, if the current charging amount is larger than or equal to a preset charging amount threshold value, adjusting the requested current to be 0;
s760, acquiring the current output current of the battery to be charged;
and S770, controlling the charging pile to stop charging if the current output current is smaller than or equal to a preset current threshold value.
Referring to fig. 8, fig. 8 is a flowchart illustrating a battery charging process according to an embodiment.
As shown in fig. 8, in one embodiment, the battery charging method comprises the following steps:
as shown in fig. 9, the charging pile is physically connected with the battery to be charged, low-voltage auxiliary electrification is performed, the boost charging system enters a charging handshake phase, and in the charging handshake phase, an insulation detection voltage is obtained; the insulation detection voltage is the voltage U output by the charging pile when the insulation performance between the charging pile and the battery to be charged is detected IDM ；
If the insulation detection voltage value is less than or equal to the preset insulation voltage value threshold, controlling the charging pile to charge according to a boost charging mode, specifically, as shown in fig. 10, in a parameter configuration stage, obtaining the highest allowable charging voltage of the battery to be charged;
if the highest allowable charging voltage is smaller than a preset allowable charging voltage threshold, acquiring the voltage at two ends of the step-down capacitor and the output voltage of the charging pile after the step-down capacitor has a preset first time period;
determining a difference value between the voltages at the two ends of the voltage reduction capacitor based on the voltages at the two ends of the voltage reduction capacitor to obtain a first capacitor voltage difference;
if the first capacitor voltage difference is smaller than a preset first capacitor voltage difference threshold value (namely, the capacitor is discharged completely), controlling to close the capacitor relay, and if the output voltage is smaller than a preset output voltage threshold value (namely, the output voltage is discharged completely), controlling to close the boost relay and controlling to electrify the charging pile at a high voltage;
and acquiring the opening and closing states of the main positive relay and the main negative relay in the high-voltage electrifying process, wherein the opening and closing states comprise closing.
If the on-off states of the main positive relay and the main negative relay are both closed (namely high-voltage electrification is completed), acquiring a target voltage to be reached by a voltage reduction request and an output end voltage of the charging pile;
acquiring the voltages of any two sampling points on the booster circuit;
determining a first voltage difference according to the voltages of any two sampling points on the booster circuit;
determining the state of the boost circuit based on the first voltage difference and a preset first voltage difference threshold, specifically, determining the state of the boost circuit as normal if the first voltage difference is smaller than the preset first voltage difference threshold; and if the first voltage difference is greater than or equal to a preset first voltage difference threshold value, determining the state of the booster circuit as a fault.
Acquiring the voltages of any two sampling points on the voltage reduction loop;
determining a second voltage difference according to the voltages of any two sampling points on the voltage reduction loop;
determining the state of the voltage reduction loop based on the second voltage difference and a preset second voltage difference threshold, and specifically determining the state of the voltage reduction loop as normal if the second voltage difference is smaller than the preset second voltage difference threshold; if the second voltage difference is greater than or equal to a preset second voltage difference threshold value, determining the state of the voltage reduction loop as a fault;
acquiring the voltage at two ends of a step-down capacitor at any sampling point on a capacitor step-down circuit and the variable-voltage output current of a charging pile; determining the voltage difference between the two ends of the voltage reduction capacitor at any sampling point on the capacitor voltage reduction circuit to obtain a second capacitor voltage difference, and determining the state of the voltage reduction capacitor based on the second capacitor voltage difference, the transformation output current, a preset second capacitor voltage difference threshold value and a preset transformation output current threshold value, specifically, if the second capacitor voltage difference is greater than or equal to the preset second capacitor voltage difference threshold value or the transformation output current is less than the preset transformation output current threshold value, determining the state of the voltage reduction capacitor as normal; if the voltage difference of the second capacitor is smaller than a preset second capacitor voltage difference threshold value and the transformation output current is larger than or equal to a preset transformation output current threshold value, determining the state of the voltage reduction capacitor as a fault;
if the states are normal and the voltage of the output end of the charging pile is greater than or equal to the target voltage, if the charging is ready, the system requests for boosting, a boosting procedure is carried out, and the output current of the charging pile is obtained;
if the output current is larger than the preset current threshold, the capacitor relay is disconnected, the charging stage is started, and the battery to be charged is charged;
and updating the request current and the request voltage in real time in the charging process.
Acquiring the current charging amount of a battery to be charged;
if the current charging amount is larger than or equal to the preset charging amount threshold value, the requested current is adjusted to be 0;
acquiring the current output current of a battery to be charged;
if the current output current is less than or equal to the preset current threshold, controlling the charging pile to stop charging;
and if the insulation detection voltage value is larger than the preset insulation voltage value threshold value, controlling the charging pile to charge according to a direct current charging mode.
Referring to fig. 11, an embodiment of the present invention further provides a battery charging system M1100, where the battery charging system M1100 includes:
the acquisition module M1110 is used for acquiring insulation detection voltage;
it should be noted that the insulation detection voltage is a voltage output by the charging pile when the insulation performance between the charging pile and the battery to be charged is detected;
the first control module M1120 is configured to control the charging pile to charge according to the boost charging mode if the insulation detection voltage value is less than or equal to the preset insulation voltage value threshold;
the second control module M1120 is configured to control the charging pile to charge according to the dc charging mode if the insulation detection voltage value is greater than the preset insulation voltage value threshold.
It should be noted that the battery charging system provided in the above embodiment and the battery charging method provided in the above embodiment belong to the same concept. The specific manner in which each module and unit performs operations has been described in detail in the method embodiment, and is not described herein again. In practical applications, the battery charging system provided in the foregoing embodiment may allocate the above functions to different functional modules as needed, that is, the internal structure of the system is divided into different functional modules to complete all or part of the above described functions, which is not limited herein.
An embodiment of the present application further provides an electronic device, including: one or more processors; a storage device, configured to store one or more programs, which when executed by the one or more processors, cause the electronic device to implement the battery charging method provided in the above-described embodiments.
FIG. 12 illustrates a schematic structural diagram of a computer system suitable for use in implementing the electronic device of an embodiment of the present application. It should be noted that the computer system 1200 of the electronic device shown in fig. 12 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present application.
As shown in fig. 7, the computer system 1200 includes a Central Processing Unit (CPU) 1201, which can perform various appropriate actions and processes, such as executing the methods described in the above embodiments, according to a program stored in a Read-Only Memory (ROM) 1202 or a program loaded from a storage section 1208 into a Random Access Memory (RAM) 1203. In the RAM 1203, various programs and data necessary for system operation are also stored. The CPU 1201, ROM 1202, and RAM 1203 are connected to each other by a bus 1204. An Input/Output (I/O) interface 1205 is also connected to bus 1204.
The following components are connected to the I/O interface 1205: an input portion 1206 including a keyboard, a mouse, and the like; an output section 1207 including a Display device such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and a speaker; a storage section 1208 including a hard disk and the like; and a communication section 1209 including a Network interface card such as a LAN (Local Area Network) card, a modem, or the like. The communication section 1209 performs communication processing via a network such as the internet. A driver 1210 is also connected to the I/O interface 1205 as needed. A removable medium 1211, such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like, is mounted on the drive 1210 as necessary, so that a computer program read out therefrom is mounted into the storage section 1208 as necessary.
In particular, according to embodiments of the application, the processes described above with reference to the flow diagrams may be implemented as computer software programs. For example, embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising a computer program for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 1209, and/or installed from the removable medium 1211. The computer program executes various functions defined in the system of the present application when executed by a Central Processing Unit (CPU) 1201.
It should be noted that the computer readable medium shown in the embodiments of the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. The computer readable storage medium may be, for example, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a Read-Only Memory (ROM), an Erasable Programmable Read-Only Memory (EPROM), a flash Memory, an optical fiber, a portable Compact Disc Read-Only Memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer-readable signal medium may include a propagated data signal with a computer program embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. The computer program embodied on the computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. Each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present application may be implemented by software or hardware, and the described units may also be disposed in a processor. The names of these elements do not in some cases constitute limitations on the elements themselves.
Another aspect of the present application also provides a computer-readable storage medium having stored thereon a computer program, which, when executed by a processor of a computer, causes the computer to execute the battery charging method as described above. The computer-readable storage medium may be included in the electronic device described in the above embodiment, or may exist separately without being incorporated in the electronic device.
Yet another aspect of the application provides a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The processor of the computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device executes the battery charging method provided in the above embodiments.
The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitutions or changes made by the person skilled in the art on the basis of the present invention are all within the protection scope of the present invention.
Claims (11)
1. A battery charging method, comprising:
acquiring insulation detection voltage, wherein the insulation detection voltage is the voltage output by the charging pile when the insulation performance between the charging pile and the battery to be charged is detected;
if the insulation detection voltage value is smaller than or equal to the preset insulation voltage value threshold value, controlling the charging pile to charge according to a boosting charging mode;
and if the insulation detection voltage value is larger than the preset insulation voltage value threshold value, controlling the charging pile to charge according to a direct current charging mode.
2. The battery charging method of claim 1, wherein the insulation detection voltage is obtained during a charging handshake phase.
3. The battery charging method according to claim 1, wherein controlling the charging pile to perform charging according to a boost charging mode comprises:
acquiring the highest allowable charging voltage and voltage reduction of a battery to be charged;
if the highest allowable charging voltage is smaller than a preset allowable charging voltage threshold, acquiring the voltage at two ends of the voltage reduction capacitor and the output voltage of the charging pile after a preset first time period;
determining a first capacitor voltage difference based on the voltage across the buck capacitor;
if the first capacitor voltage difference is smaller than a preset first capacitor voltage difference threshold value, controlling to close the capacitor relay, and if the output voltage is smaller than a preset output voltage threshold value, controlling to close the boost relay and controlling to electrify the charging pile at a high voltage;
acquiring the opening and closing states of a main positive relay and a main negative relay in the high-voltage electrifying process, wherein the opening and closing states comprise closing;
if the on-off states of the main positive relay and the main negative relay are both closed, sending a voltage reduction request;
acquiring a target voltage to be reached by a voltage reduction request and the voltage of an output end of the charging pile;
diagnosing a boosting circuit, a voltage reduction circuit and a voltage reduction capacitor, and determining the states of the boosting circuit, the voltage reduction circuit and the voltage reduction capacitor, wherein the states comprise normal and fault;
if the states are normal and the voltage of the output end is greater than or equal to the target voltage, acquiring the output current of the charging pile;
and if the output current is larger than the preset current threshold, the capacitor relay is disconnected, and the battery to be charged is charged.
4. The battery charging method of claim 3, wherein determining the state of the boost circuit comprises:
acquiring voltages of any two sampling points on the booster circuit;
determining a first voltage difference according to the voltages of any two sampling points on the booster circuit;
and determining the state of the boost loop based on the first voltage difference and a preset first voltage difference threshold value.
5. The battery charging method of claim 4, wherein determining the state of the boost circuit comprises:
if the first voltage difference is smaller than a preset first voltage difference threshold value, determining the state of the booster circuit as normal; and if the first voltage difference is greater than or equal to a preset first voltage difference threshold value, determining the state of the booster circuit as a fault.
6. The battery charging method of claim 3, wherein determining the state of the buck capacitor comprises:
acquiring the voltage at two ends of a step-down capacitor at any sampling point on a capacitor step-down circuit and the variable-voltage output current of a charging pile;
determining a second capacitor voltage difference based on the voltage at two ends of the voltage reduction capacitor at any sampling point on the capacitor voltage reduction circuit;
and determining the state of the voltage reduction capacitor based on the second capacitor voltage difference, the transformation output current, the preset second capacitor voltage difference threshold and the preset transformation output current threshold.
7. The battery charging method of claim 6, wherein determining the state of the buck capacitor comprises:
if the voltage difference of the second capacitor is greater than or equal to a preset second capacitor voltage difference threshold value, or the transformation output current is smaller than a preset transformation output current threshold value, determining the state of the voltage reduction capacitor as normal;
and if the voltage difference of the second capacitor is smaller than a preset second capacitor voltage difference threshold value and the variable voltage output current is larger than or equal to a preset variable voltage output current threshold value, determining the state of the voltage reduction capacitor as a fault.
8. The battery charging method according to claim 1, further comprising:
acquiring the current charging amount of a battery to be charged;
if the current charging amount is larger than or equal to a preset charging amount threshold value, the requested current is adjusted to be 0;
acquiring the current output current of a battery to be charged;
and if the current output current is less than or equal to the preset current threshold, controlling the charging pile to stop charging.
9. A battery charging system, comprising:
the charging device comprises an acquisition module, a charging module and a charging module, wherein the acquisition module is used for acquiring insulation detection voltage, and the insulation detection voltage is the voltage output by a charging pile when the insulation performance between the charging pile and a battery to be charged is detected;
the first control module is used for controlling the charging pile to charge according to a boosting charging mode if the insulation detection voltage value is smaller than or equal to a preset insulation voltage value threshold value;
and the second control module is used for controlling the charging pile to charge according to the direct current charging mode if the insulation detection voltage value is greater than the preset insulation voltage value threshold value.
10. An electronic device, characterized in that the electronic device comprises:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the electronic device to implement the battery charging method of any of claims 1-8.
11. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor of a computer, causes the computer to execute the battery charging method according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477715.7A CN115782664A (en) | 2022-11-23 | 2022-11-23 | Battery charging method, system, electronic equipment and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211477715.7A CN115782664A (en) | 2022-11-23 | 2022-11-23 | Battery charging method, system, electronic equipment and storage medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115782664A true CN115782664A (en) | 2023-03-14 |
Family
ID=85440717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211477715.7A Pending CN115782664A (en) | 2022-11-23 | 2022-11-23 | Battery charging method, system, electronic equipment and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115782664A (en) |
-
2022
- 2022-11-23 CN CN202211477715.7A patent/CN115782664A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20220173606A1 (en) | Charging Control Device, Charging Control Method and Charging Control Program | |
| CN111469714A (en) | Starting control method, device, equipment and storage medium of extended range electric vehicle | |
| CN115257419A (en) | Charging method and device and electric vehicle | |
| CN115782664A (en) | Battery charging method, system, electronic equipment and storage medium | |
| CN115742878A (en) | Dynamic low-temperature starting method and device of battery, electronic equipment and vehicle | |
| CN115972930A (en) | Vehicle charging start-stop control method and device, storage medium and controller | |
| KR20150053062A (en) | Apparatus, method and computer readable recording medium for vehicle battery charge | |
| CN109131018A (en) | A kind of unmanned Mobile vending vehicle and its parking start control method after selling goods | |
| CN116513084B (en) | Vehicle control method, device, terminal and medium | |
| CN118483568A (en) | Relay fault diagnosis method and device, vehicle-mounted terminal equipment and vehicle | |
| CN115472467B (en) | Driving method, device, equipment and medium for direct-current charging relay of electric automobile | |
| CN114475353B (en) | Power battery charging time prediction method and device, electronic equipment and storage medium | |
| CN115972956B (en) | Method and device for determining charge and discharge scene, vehicle and storage medium | |
| CN113267352B (en) | Vehicle testing system | |
| CN113360370B (en) | Method and device for building electronic and electrical architecture test platform of electric automobile and readable storage medium | |
| CN115825680A (en) | Secondary side MOSFET fault determination method, device and medium thereof | |
| CN116749808A (en) | Control method and device for charging and discharging of whole vehicle, medium and electronic equipment | |
| CN116667492B (en) | Charging control method and device based on Internet of things, electronic equipment and storage medium | |
| CN116930803A (en) | Battery life test method, device, equipment and storage medium | |
| WO2024140505A1 (en) | Electric leakage protection system and vehicle | |
| CN117901670A (en) | Electric automobile state control method, electric automobile state control device, computer equipment and storage medium | |
| CN118040794A (en) | Optical storage and charging integrated power conversion method and system | |
| CN118117719A (en) | Management method, module, elevator power supply system, elevator, electronic device and medium | |
| CN118763753A (en) | Battery pack charging control method, device, equipment, storage medium and computer product | |
| CN115447440A (en) | Power battery charging diagnosis method, device, equipment and storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |