CN114374238A - Electrolytic capacitor self-repairing method and device, electronic equipment and storage medium - Google Patents

Electrolytic capacitor self-repairing method and device, electronic equipment and storage medium Download PDF

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Publication number
CN114374238A
CN114374238A CN202110348841.1A CN202110348841A CN114374238A CN 114374238 A CN114374238 A CN 114374238A CN 202110348841 A CN202110348841 A CN 202110348841A CN 114374238 A CN114374238 A CN 114374238A
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China
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power supply
electrolytic capacitor
voltage value
threshold
repairing
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CN202110348841.1A
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刘亚平
王文洋
陈建生
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Huawei Digital Power Technologies Co Ltd
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Huawei Digital Power Technologies Co Ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0069Charging or discharging for charge maintenance, battery initiation or rejuvenation
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/0003Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01GCAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/22Devices using combined reduction and oxidation, e.g. redox arrangement or solion
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/50Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The application discloses an electrolytic capacitor self-repairing method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring time information, wherein the time information comprises a target time interval of current electrification and last electrification of an electrolytic capacitor in the power supply; and under the condition that the target time interval is larger than a first threshold value, controlling the power supply to enter a self-repairing mode, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor. The method judges whether the electrolytic capacitor needs to be repaired or not by obtaining the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor, if so, the time interval is reported to the power supply, and the power supply is controlled to enter the electrolytic capacitor self-repairing mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of self-repairing the electrolytic capacitor is achieved, and the service life of the power supply is prolonged.

Description

Electrolytic capacitor self-repairing method and device, electronic equipment and storage medium
Technical Field
The present disclosure relates to the field of energy, and more particularly, to a self-repairing method and apparatus for electrolytic capacitors, an electronic device and a storage medium.
Background
The capacitor is a passive electronic component for storing electricity and electric energy, and is one of the commonly used electronic components. An electrolytic capacitor is one of capacitors, in which an anode is a metal foil, a dielectric is an oxide film adhered to the anode metal foil, and a cathode is composed of a conductive material, an electrolyte and other materials. Electrolytic capacitors are so named because the electrolyte is the major part of their cathode. The electrolytic capacitor is used as a core component, is widely applied in the technical field of electronic power, and plays important roles of supporting, energy storage, filtering and the like. For example, the electrolytic capacitor has advantages of small volume, large capacity, high stability, etc., and is widely applied to a power module of an automobile charging pile.
However, electrolytic capacitors are vulnerable parts. When the electrolytic capacitor is in a power-off state for a long time, after the aluminum electrolysis is stored for a long time, the anode oxide film of the capacitor and the electrolyte can generate chemical reaction, so that the withstand voltage of the electrolytic capacitor is reduced, and the leakage current is increased. When the capacitor is electrified suddenly for a period of time, overvoltage failure of the electrolytic capacitor can be caused, or overheating failure can be caused by overlarge leakage current, and even equipment damage can be caused.
Therefore, how to repair the electrolytic capacitor before the electrolytic capacitor is charged with electricity has become an important research topic in the technical field.
Disclosure of Invention
The embodiment of the application provides an electrolytic capacitor self-repairing method, an electrolytic capacitor self-repairing device, electronic equipment and a storage medium, whether the electrolytic capacitor needs to be repaired is judged by obtaining the time interval between the current power-on and the last power-off of a product with the electrolytic capacitor, if so, the time interval is reported to a power supply, the power supply is controlled to enter an electrolytic capacitor self-repairing mode, the automation of the electrolytic capacitor repairing process can be realized, the purpose of self-repairing the electrolytic capacitor is achieved, and the service life of the power supply is prolonged.
In a first aspect, an embodiment of the present application provides a self-repairing method for an electrolytic capacitor, where the method includes:
acquiring time information, wherein the time information comprises a target time interval of current electrification and last electrification of an electrolytic capacitor in the power supply;
and under the condition that the target time interval is larger than a first threshold value, controlling the power supply to enter a self-repairing mode, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor.
In the embodiment of the application, the power supply is controlled to enter the electrolytic capacitor self-repairing mode according to the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply, so that the process of repairing the electrolytic capacitor is automated, and the purpose of self-repairing the electrolytic capacitor is achieved. Specifically, time information is firstly acquired, the time information comprises a target time interval of current power-on and last power-off of an electrolytic capacitor in a power supply, then the power supply is controlled to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold value, the power supply further repairs the electrolytic capacitor, and the first threshold value is not a fixed value and can be different according to different application scenes of the power supply. Compared with the existing method that the rated voltage is increased to the two ends of the electrolytic capacitor by connecting the current-limiting resistor and the power supply to the two ends of the electrolytic capacitor manually, the method for repairing the electrolytic capacitor by controlling the power supply by utilizing the time interval between the current power-on and the last power-off can greatly improve the self-repairing efficiency of the electrolytic capacitor and enable the power supply to be suitable for the on-load work under various application scenes.
In one possible implementation, the controlling the power source to enter a self-repair mode includes:
controlling the power supply to perform a first operation, the first operation including the power supply powering up the electrolytic capacitor at a target voltage value for a first time period, the target voltage value being no greater than a nominal voltage of the electrolytic capacitor, and the power supply not outputting power for the first time period.
In this implementation, the controlling of the power supply to enter the self-repair mode is further described, that is, in a case that the target time interval is greater than the first threshold, the processor controls the power supply to perform a first operation, where the first operation includes that the power supply powers up the electrolytic capacitor with a target voltage value in a first time period of entering the self-repair mode, the first time period is not a fixed value and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the target time interval and the size of the target voltage value, the target voltage value should not be greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the first time period, that is, a product equipped with the electrolytic capacitor is in an idle output state. The realization mode realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, and greatly improves the repairing efficiency.
In one possible implementation, the target voltage value includes a first voltage value and a second voltage value, and the first voltage value and the second voltage value are different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
In this implementation, the target voltage value of the electrolytic capacitor is further described, where the target voltage value includes at least two different voltage values, which are a first voltage value and a second voltage value, where the first voltage value and the second voltage value are not fixed values, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the size of the target time interval, but both the first voltage value and the second voltage value are not greater than the rated voltage of the electrolytic capacitor. Specifically, the electrolytic capacitor may be powered up by using different target voltage values according to the size of the target time interval, and the electrolytic capacitor may be powered up by using the first voltage value as the target voltage value when the target time interval is greater than the first threshold and smaller than a second threshold, where the second threshold is greater than the first threshold, and the second threshold is not a fixed value and may be different according to different application scenarios of the power supply; and under the condition that the target time interval is larger than the second threshold value, adopting the second voltage value as a target voltage value to electrify the electrolytic capacitor. The implementation mode adopts different target voltage values to electrify the electrolytic capacitor according to the size of the target time interval, so that the repair efficiency of the electrolytic capacitor can be improved.
In one possible implementation, after the controlling the power supply to perform the first operation, the method further includes:
and controlling the power supply to perform a second operation when the target time interval is larger than a third threshold, wherein the second operation comprises the power supply powering on the electrolytic capacitor with a third voltage value within a second time period, the third threshold is larger than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, and the power supply does not output power within the second time period.
In this implementation, another method is provided for controlling the power supply to enter the self-repair mode, i.e., after the processor controls the power supply to perform the first operation, the processor controls the power supply to perform the second operation if the target time interval is greater than the third threshold. The third threshold is greater than the second threshold, and the third threshold is not a fixed value and may be different according to different application scenarios of the power supply. The second operation includes that the power supply powers on the electrolytic capacitor with a third voltage value in a second time period when entering the self-repairing mode, wherein the second time period is a time period after the first time period, the second time period is not a fixed value, the second time period can be different according to different application scenes of the power supply, and can also be dynamically adjusted according to a target time interval, the first time period, a target voltage value and the size of the third voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, the third voltage value is different from the first voltage value and the second voltage value, and the power supply does not output power in the second time period, namely, a product provided with the electrolytic capacitor is in a no-load output state. The realization mode not only realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, but also carries out graded repairing on the electrolytic capacitor according to the size of the target time interval, namely, different voltage values are adopted to electrify the electrolytic capacitor in different time periods according to the size of the target time interval, and the repairing efficiency of the electrolytic capacitor can be greatly improved.
In one possible implementation, after the controlling the power source to enter the self-repair mode, the method further includes:
and under the condition that the electrolytic capacitor is repaired by the power supply, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out output after the electrolytic capacitor is electrified by the power supply.
In the implementation mode, the processor controls the power supply to enter a self-repairing mode, and under the condition that the power supply finishes repairing the electrolytic capacitor, the processor controls the power supply to enter a working mode, namely the processor controls the power supply to carry out load output after the electrolytic capacitor is electrified, so that the power supply can adapt to the load work in each application scene.
In one possible implementation, after the controlling the power source to enter the self-repair mode, the method further includes:
and under the condition that the power supply finishes repairing the electrolytic capacitor, controlling the power supply to be powered off or entering a standby mode, wherein the standby mode is a no-load electrification mode after the power supply powers on the electrolytic capacitor.
In one possible implementation, the method further includes:
and under the condition that the target time interval is not greater than the first threshold, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out load output after the power supply powers on the electrolytic capacitor.
In this implementation manner, when it is detected that the target time interval is not greater than the first threshold, it indicates that the power supply can perform on-load operation without repairing the electrolytic capacitor, and at this time, the processor may control the power supply to enter a working mode, that is, the processor controls the on-load output of the power supply after the power supply powers on the electrolytic capacitor, so that the power supply can adapt to the on-load operation in each application scenario.
In a second aspect, embodiments of the present application provide an electrolytic capacitor self-repairing device, including:
the acquisition unit is used for acquiring time information of an electrolytic capacitor in a power supply, wherein the time information comprises a target time interval of current electrification and last electrification of the electrolytic capacitor;
and the control unit is used for controlling the power supply to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor.
In the embodiment of the application, the power supply is controlled to enter the electrolytic capacitor self-repairing mode according to the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply, so that the process of repairing the electrolytic capacitor is automated, and the purpose of self-repairing the electrolytic capacitor is achieved. Specifically, time information is firstly acquired, the time information comprises a target time interval of current power-on and last power-off of an electrolytic capacitor in a power supply, then the power supply is controlled to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold value, the power supply further repairs the electrolytic capacitor, and the first threshold value is not a fixed value and can be different according to different application scenes of the power supply. Compared with the existing method that the rated voltage is increased to the two ends of the electrolytic capacitor by connecting the current-limiting resistor and the power supply to the two ends of the electrolytic capacitor manually, the method for repairing the electrolytic capacitor by controlling the power supply by utilizing the time interval between the current power-on and the last power-off can greatly improve the self-repairing efficiency of the electrolytic capacitor and enable the power supply to be suitable for the on-load work under various application scenes.
In a possible implementation manner, the control unit is specifically configured to control the power supply to perform a first operation, where the first operation includes that the power supply powers on the electrolytic capacitor at a target voltage value in a first time period, the target voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the first time period.
In this implementation, the controlling of the power supply to enter the self-repair mode is further described, that is, in a case that the target time interval is greater than the first threshold, the processor controls the power supply to perform a first operation, where the first operation includes that the power supply powers up the electrolytic capacitor with a target voltage value in a first time period of entering the self-repair mode, the first time period is not a fixed value and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the target time interval and the size of the target voltage value, the target voltage value should not be greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the first time period, that is, a product equipped with the electrolytic capacitor is in an idle output state. The realization mode realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, and greatly improves the repairing efficiency.
In one possible implementation, the target voltage value includes a first voltage value and a second voltage value, and the first voltage value and the second voltage value are different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
In this implementation, the target voltage value of the electrolytic capacitor is further described, where the target voltage value includes at least two different voltage values, which are a first voltage value and a second voltage value, where the first voltage value and the second voltage value are not fixed values, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the size of the target time interval, but both the first voltage value and the second voltage value are not greater than the rated voltage of the electrolytic capacitor. Specifically, the electrolytic capacitor may be powered up by using different target voltage values according to the size of the target time interval, and the electrolytic capacitor may be powered up by using the first voltage value as the target voltage value when the target time interval is greater than the first threshold and smaller than a second threshold, where the second threshold is greater than the first threshold, and the second threshold is not a fixed value and may be different according to different application scenarios of the power supply; and under the condition that the target time interval is larger than the second threshold value, adopting the second voltage value as a target voltage value to electrify the electrolytic capacitor. The implementation mode adopts different target voltage values to electrify the electrolytic capacitor according to the size of the target time interval, so that the repair efficiency of the electrolytic capacitor can be improved.
In a possible implementation manner, the control unit is specifically further configured to control the power supply to perform a second operation after the first operation is performed, where the second operation includes that the power supply powers on the electrolytic capacitor with a third voltage value in a second time period, the third threshold is greater than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power in the second time period.
In this implementation, another method is provided for controlling the power supply to enter the self-repair mode, i.e., after the processor controls the power supply to perform the first operation, the processor controls the power supply to perform the second operation if the target time interval is greater than the third threshold. The third threshold is greater than the second threshold, and the third threshold is not a fixed value and may be different according to different application scenarios of the power supply. The second operation includes that the power supply powers on the electrolytic capacitor with a third voltage value in a second time period when entering the self-repairing mode, wherein the second time period is a time period after the first time period, the second time period is not a fixed value, the second time period can be different according to different application scenes of the power supply, and can also be dynamically adjusted according to a target time interval, the first time period, a target voltage value and the size of the third voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, the third voltage value is different from the first voltage value and the second voltage value, and the power supply does not output power in the second time period, namely, a product provided with the electrolytic capacitor is in a no-load output state. The realization mode not only realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, but also carries out graded repairing on the electrolytic capacitor according to the size of the target time interval, namely, different voltage values are adopted to electrify the electrolytic capacitor in different time periods according to the size of the target time interval, and the repairing efficiency of the electrolytic capacitor can be greatly improved.
In a possible implementation manner, the control unit is further configured to control the power supply to enter a working mode when the power supply completes repairing of the electrolytic capacitor, where the working mode is a mode in which the power supply outputs an output load after powering on the electrolytic capacitor.
In the implementation mode, the processor controls the power supply to enter a self-repairing mode, and under the condition that the power supply finishes repairing the electrolytic capacitor, the processor controls the power supply to enter a working mode, namely the processor controls the power supply to carry out load output after the electrolytic capacitor is electrified, so that the power supply can adapt to the load work in each application scene.
In a possible implementation manner, the control unit is further configured to control the power supply to power off or enter a standby mode when the power supply completes repairing the electrolytic capacitor, where the standby mode is a no-load charging mode after the power supply powers on the electrolytic capacitor.
In a possible implementation manner, the control unit is further configured to control the power supply to enter an operating mode when the target time interval is not greater than the first threshold, where the operating mode is a mode in which the power supply outputs an on-load voltage after the power supply powers on the electrolytic capacitor.
In this implementation manner, when it is detected that the target time interval is not greater than the first threshold, it indicates that the power supply can perform on-load operation without repairing the electrolytic capacitor, and at this time, the processor may control the power supply to enter a working mode, that is, the processor controls the on-load output of the power supply after the power supply powers on the electrolytic capacitor, so that the power supply can adapt to the on-load operation in each application scenario.
In a possible implementation manner, the obtaining unit is integrated inside the control unit, or integrated inside a power module including the power supply, or integrated in an operator background connected to the control unit through a network.
In a third aspect, embodiments of the present application provide an electrolytic capacitor self-repairing device, which includes a processor and a memory; the memory is used for storing computer execution instructions; the processor is configured to execute the computer-executable instructions stored in the memory to cause the electrolytic capacitor self-repairing apparatus to perform the method of the first aspect and any possible implementation manner. Optionally, the self-repairing device for electrolytic capacitors further includes a transceiver, and the transceiver is used for receiving signals or sending signals.
In a fourth aspect, embodiments of the present application provide a computer-readable storage medium for storing instructions or a computer program; the instructions or the computer program, when executed, cause the method of the first aspect to be carried out.
In a fifth aspect, embodiments of the present application provide a computer program product, which includes instructions or a computer program; the instructions or the computer program, when executed, cause the method of the first aspect to be carried out.
In the embodiment of the application, whether the electrolytic capacitor needs to be repaired is judged by obtaining the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor, if so, the time interval is reported to the power supply, and the power supply is controlled to enter the electrolytic capacitor self-repairing mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repairing is achieved, and the service life of the power supply is prolonged.
Drawings
FIG. 1a is a schematic view of a self-repairing scenario of an electrolytic capacitor according to an embodiment of the present disclosure;
FIG. 1b is a schematic diagram illustrating another scenario of self-repairing of electrolytic capacitors provided by an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating a self-repairing method for electrolytic capacitors according to an embodiment of the present disclosure;
FIG. 3a is a schematic diagram of an architecture for self-repairing an electrolytic capacitor according to an embodiment of the present disclosure;
FIG. 3b is a schematic diagram of an alternative self-repairing electrolytic capacitor according to an embodiment of the present disclosure;
FIG. 3c is a schematic diagram of an architecture for self-repairing an electrolytic capacitor according to an embodiment of the present application;
FIG. 4 is a schematic flow chart illustrating another method for self-repairing electrolytic capacitors according to embodiments of the present disclosure;
FIG. 5 is a schematic structural diagram of a self-repairing apparatus for electrolytic capacitors according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer, embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.
The terms "first" and "second," and the like in the description, claims, and drawings of the present application are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. Such as a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more, "at least two" means two or three and three or more, "and/or" for describing an association relationship of associated objects, meaning that three relationships may exist, for example, "a and/or B" may mean: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
The present application provides a self-repairing method for electrolytic capacitors, and in order to describe the scheme of the present application more clearly, some knowledge related to electrolytic capacitors is introduced below.
Electrolytic capacitance: an electrolytic capacitor is a type of capacitor, in which the anode is a metal foil (aluminum or tantalum), the dielectric is an oxide film (aluminum oxide or tantalum pentoxide) that is attached to the anode metal foil, and the cathode is composed of a conductive material, an electrolyte (the electrolyte may be liquid or solid), and other materials. Electrolytic capacitors are so named because the electrolyte is the major part of the cathode. Meanwhile, the positive and negative of the electrolytic capacitor can not be connected in a wrong way. Aluminum electrolytic capacitors can be classified into four categories: a lead type aluminum electrolytic capacitor; a horn-shaped aluminum electrolytic capacitor; a bolt-type aluminum electrolytic capacitor; a solid aluminum electrolytic capacitor. The electrolytic capacitor is used as a core component, is widely applied in the technical field of electronic power, and plays important roles of supporting, energy storage, filtering and the like.
The embodiments of the present application will be described below with reference to the drawings.
Referring to fig. 1a, fig. 1a is a schematic view of a self-repairing scenario of an electrolytic capacitor according to an embodiment of the present disclosure. As shown in fig. 1a, 101 is an electric vehicle equipped with an electrolytic capacitor, and the electric vehicle 101 mainly includes a power supply system, a driving motor system, a vehicle control unit, and an auxiliary system. The power supply system mainly comprises a power battery, a battery management system, a vehicle-mounted charger, an auxiliary power source and the like. The power battery is a power source of the electric automobile and is an energy storage device. The battery management system monitors the service condition of the power battery in real time, detects the state parameters of the power battery, such as terminal voltage, internal resistance, temperature, electrolyte concentration of the power battery, battery surplus, discharge time, discharge current or discharge depth and the like, performs temperature regulation control according to the requirement of the power battery on the environmental temperature, avoids overcharge and overdischarge of the power battery through current limiting control, displays and alarms related parameters, signals of the parameters flow to the auxiliary system, and displays related information on the combination instrument so that a driver can master vehicle information at any time. The vehicle-mounted charger converts a power supply system of a power grid into a system which requires for charging a power battery, namely, converts alternating current into direct current with corresponding voltage and controls charging current according to the requirement. The auxiliary power source is generally a 12V or 24V direct-current low-voltage power source, and is mainly used for providing required energy for various auxiliary electric devices such as power steering, braking force regulation and control, illumination, air conditioners, electric vehicle windows and the like. The driving motor system is the core of the electric automobile and is the biggest difference from the internal combustion engine automobile. Generally, a drive motor system is composed of an electronic controller, a power converter, a drive motor, a mechanical transmission, wheels, and the like. The driving motor system has the functions of efficiently converting the electric energy stored in the storage battery into the kinetic energy of the wheels to propel the automobile to run, and can realize regenerative braking when the automobile is braked in a decelerating way or goes down a slope. The vehicle control unit is a control center of the motor system, processes all input signals and sends the information of the running state of the motor system to the vehicle control unit. And according to signals of an accelerator pedal and a brake pedal input by a driver, corresponding control instructions are sent to a motor controller to control the starting, accelerating, decelerating and braking of the motor. When the pure electric vehicle decelerates and slides downhill, the vehicle control unit cooperates with a battery management system of the power supply system to perform power generation feedback, so that the power storage battery is reversely charged. And the vehicle control unit also controls the charging and discharging process of the power storage battery. The auxiliary system comprises a vehicle-mounted information display system, a power steering system, a navigation system, an air conditioner, a lighting device, a defrosting device, a wiper, a radio and the like, and the maneuverability and the comfort of the electric automobile are improved.
The charging pile 102 is a charging pile equipped with an electrolytic capacitor, the charging pile 102 has a function similar to a fuel dispenser in a gas station, can be fixed on the ground or on the wall, is installed in public buildings (public buildings, shopping malls, public parking lots and the like) and residential parking lots or charging stations, and can charge various types of electric vehicles 101 according to different voltage levels. The input end of the charging pile 102 is directly connected with the alternating current network, and the output end is provided with a charging plug for charging the electric automobile 101. Fill electric pile and generally provide two kinds of charging methods of conventional charging and quick charge, people can use specific charging card to swipe the card and use on the human-computer interaction operation interface that fills electric pile and provide, carry out operations such as corresponding charging method, charging time, expense data printing, fill electric pile display screen and can show data such as the charge volume, expense, charging time. The charger in the ground charging station consists of a rectifier that converts the input ac power to dc power and a power converter that regulates the dc power, and the dc power is input into the battery to charge it by plugging a plug with a cord into a mating socket on the electric vehicle 101. The charger is provided with a locking lever to facilitate insertion and removal of the plug, and the lever also provides a signal to ensure that the plug is locked. According to the mutual communication between the charger and the vehicle battery management system, the power converter can adjust the direct current charging power on line, and the charger can display the charging voltage, the charging current, the charging amount and the charging fee.
103 is a processor for executing computer-executable instructions, which may be integrated on charging post 102 or integrated on a terminal device (e.g., a computer) capable of data communication, independent of charging post 102. The processor 103 is used for controlling the self-repairing behavior and the charging/discharging behavior of the electrolytic capacitor of the charging pile 102 by executing the computer-executable instructions. Referring to fig. 1b, fig. 1b is a schematic view of another scenario of self-repairing of an electrolytic capacitor according to an embodiment of the present application. As shown in fig. 1b, 101 is an electric vehicle equipped with an electrolytic capacitor, and 103 is a processor for executing computer-executable instructions, which may be integrated on the charging post 102 device or integrated on a terminal device (e.g. a computer) capable of data communication, independent of the charging post 102. 104 is a vehicle machine installed on a central console of the vehicle, which is a short name for vehicle-mounted infotainment products installed in the vehicle, and has functions of vehicle-mounted information services (Telematics) in addition to the functions of traditional radio, audio and video playing and navigation, and can realize information communication between people and the vehicle and between the vehicle and the outside (vehicle and vehicle). Of these, "I-Call" and "E-Call" functions are the most typical representatives of Telematics. The I-Call function is that a background Call center can be connected through a communication module arranged in the vehicle machine, and one-key navigation and corresponding position and remote service are provided; the 'E-Call' function is that when the automobile has a serious accident, the information of the safety airbag CAN be read through a Controller Area Network (CAN) bus, and the emergency rescue telephone CAN be dialed automatically. In the application scenario of charging the electric vehicle 101 by the charging pile 102, the vehicle machine 104 may perform data communication with a processor controlling the charging pile 102, so as to obtain relevant parameters of the charging process, such as terminal voltage, internal resistance, temperature, electrolyte concentration of the storage battery, remaining amount of the storage battery, charging time, charging current or charging depth of the storage battery, and display relevant information on the combination meter, so that a driver can master vehicle information at any time.
At present, as new energy vehicles enter a rapid development stage, the quantity of new energy vehicles kept continuously rises, the building speed of charging piles is also gradually accelerated, and the manufacturing market of the whole charging piles presents the characteristic of cycle upward. However, some charging piles are remote in position and low in effective utilization rate, so that part of the charging piles do not have on-load output (such as charging an electric automobile) for a long time, a power module in the part of the charging piles can be in a power-off state for a long time, and after aluminum electrolysis in the power module is stored for a long time, a capacitor anodic oxide film and electrolyte can undergo chemical reaction, so that the problems of voltage resistance reduction of a power supply and increase of leakage current are caused. After the electrolytic capacitor is electrified and works for a period of time suddenly, overvoltage failure of the electrolytic capacitor or overheating failure caused by overlarge leakage current can be caused, even a fire disaster can be caused, a large amount of black toxic dense smoke is generated, and great potential safety hazards are brought to normal production and life of people.
For the electrolytic capacitor monomer with longer storage time, a current-limiting resistor is generally adopted to connect a power supply to two ends of the electrolytic capacitor, so that rated voltage is increased to the two ends of the electrolytic capacitor, and the electrolytic capacitor is maintained for a period of time to complete self-repairing of the electrolytic capacitor. For products (such as the power supply module in the charging pile) with electrolytic capacitors stored for a long time, a method of electrifying the products is generally adopted, so that the products work in a no-load mode, and the voltage of the electrolytic capacitors in the products is close to the rated voltage of the electrolytic capacitors, so that the repairing work of the electrolytic capacitors is completed. However, the above-mentioned processes of the method for repairing the electrolytic capacitor monomer or the product all need to be controlled manually, and there is a certain risk of failure in repair, and the repair efficiency is not high.
Therefore, in the application scene, the high-efficiency electrolytic capacitor self-repairing method is applied, and the method has very important significance for guaranteeing the safety and effectiveness of the power supply, the driving safety of the vehicle and the like.
Referring to fig. 2, fig. 2 is a schematic flow chart of a self-repairing method for electrolytic capacitors according to an embodiment of the present disclosure, the method includes, but is not limited to, the following steps:
step 201: and the terminal equipment acquires time information, wherein the time information comprises a target time interval of the current electrification and the last electrification of an electrolytic capacitor in the power supply.
The terminal device in the embodiment of the present application is an electronic device equipped with a processor capable of executing instructions executed by a computer, and the electronic device may be a computer, a server, or the like that is independent from the power module, or may be a device integrated with the power module.
Firstly, the terminal equipment acquires time information related to the power supply, wherein the time information comprises a target time interval of current power-on and last power-off of an electrolytic capacitor in the power supply. The terminal equipment can control the power supply to enter the electrolytic capacitor self-repairing mode according to the target time interval of the current power-on and the last power-off of the electrolytic capacitor in the power supply, so that the automation of the electrolytic capacitor repairing process is realized, and the purpose of self-repairing of the electrolytic capacitor is achieved. The reading of the target time interval of the power supply is a clock unit, and the clock unit may be integrated inside the terminal device, may be integrated inside a power supply module, or may be integrated in an operator background connected to the terminal device through a network. And after reading the target time interval of the power supply, the clock unit is in data communication with a processor of the terminal equipment, and the terminal equipment acquires the time information related to the power supply according to the data communication.
Step 202: and controlling the power supply to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold value.
The terminal equipment judges whether the obtained target time interval is larger than a first threshold value or not, and controls the power supply to enter a self-repairing mode under the condition that the obtained target time interval is larger than the first threshold value, so that the power supply can repair the electrolytic capacitor, wherein the first threshold value is not a fixed value and can be different according to different application scenes of the power supply. Compared with the existing method that the rated voltage is increased to the two ends of the electrolytic capacitor by connecting the current-limiting resistor and the power supply to the two ends of the electrolytic capacitor manually, the method for repairing the electrolytic capacitor by controlling the power supply by utilizing the time interval between the current power-on and the last power-off can greatly improve the self-repairing efficiency of the electrolytic capacitor and enable the power supply to be suitable for the on-load work under various application scenes.
And under the condition that the target time interval is judged to be larger than the first threshold, the terminal equipment controls the power supply to enter a self-repairing mode, specifically, the terminal equipment controls the power supply to execute a first operation. The first operation comprises that the power supply powers on the electrolytic capacitor with a target voltage value in a first time period when entering the self-repairing mode, the first time period is not a fixed value and can be different according to different application scenes of the power supply, and the first time period can also be dynamically adjusted according to a target time interval and the target voltage value, for example, the larger the target time interval is, the longer the storage time of the electrolytic capacitor in the power supply is, the longer the time required for repairing the electrolytic capacitor is, and the longer the first time period is required; for another example, the larger the target voltage value is, the larger the repair voltage of the power supply to the electrolytic capacitor is, the shorter the time required for repairing the electrolytic capacitor may be, and thus the first time period may be shorter. Similarly, the target voltage value is not a fixed value, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the target time interval and the size of the first time period, but the target voltage value should not be greater than the rated voltage of the electrolytic capacitor, and the power supply does not output external power during the first time period, that is, the product with the electrolytic capacitor is in a no-load output state during the first time period.
Further, the target voltage value includes at least two voltage values with different values, and for the sake of simplicity and convenience of description, the present embodiment takes the example that the target voltage value includes the first voltage value and the second voltage value as an example for description. The first voltage value and the second voltage value are not fixed values, the first voltage value is smaller than the second voltage value, the specific values of the first voltage value and the second voltage value can be different according to different application scenes of the power supply, and can also be dynamically adjusted according to the size of the target time interval, but the first voltage value and the second voltage value are not larger than the rated voltage of the electrolytic capacitor. Specifically, the electrolytic capacitor may be powered up by different target voltage values according to the size of the target time interval. Under the condition that the target time interval is larger than the first threshold and smaller than a second threshold, the first voltage value is adopted as a target voltage value to electrify the electrolytic capacitor, wherein the second threshold is larger than the first threshold, the second threshold is not a fixed value, and the second threshold can be different according to different application scenes of the power supply; and under the condition that the target time interval is larger than the second threshold value, adopting the second voltage value as a target voltage value to electrify the electrolytic capacitor. In the embodiment, the electrolytic capacitor is electrified by adopting different target voltage values according to the size of the target time interval, so that the repair efficiency of the electrolytic capacitor can be improved.
In addition, when the target time interval is judged to be greater than the first threshold, the terminal device controls the power supply to enter a self-repair mode, specifically, after the power supply is controlled to execute the first operation, the target time interval is judged to be greater than a third threshold, and the terminal device controls the power supply to continue to execute the second operation. The third threshold is greater than the second threshold, and the third threshold is not a fixed value and may be different according to different application scenarios of the power supply. The second operation includes the power supply powering up the electrolytic capacitor at a third voltage value for a second time period of entering the self-repair mode. The second time period is a time period after the first time period, the second time period is not a fixed value, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the target time interval, the first time period, the target voltage value, and the third voltage value, for example, the larger the target time interval is, the longer the storage time of the electrolytic capacitor in the power supply is, the longer the time required for repairing the electrolytic capacitor is, and therefore the longer the second time period is required; for another example, the longer the first time period is, the larger the target voltage value is, which indicates that the power supply has a higher repairing strength to the electrolytic capacitor in the early stage, and the shorter the time required for subsequent repairing is, so the second time period may be shorter; for another example, the larger the third voltage value is, the larger the repair voltage of the power supply to the electrolytic capacitor is, the shorter the time required for repairing the electrolytic capacitor may be, and thus the second time period may be shorter. Similarly, the third voltage value is not a fixed value, and the third voltage value should be greater than the first voltage value and the second voltage value, and the specific value may be different according to the application scenario of the power supply, or may be dynamically adjusted according to the target time interval and the size of the second time period, but the third voltage value should not be greater than the rated voltage of the electrolytic capacitor, and the power supply does not output power in the second time period, that is, the product equipped with the electrolytic capacitor is in an idle output state in the second time period.
The terminal equipment controls the power supply to enter a self-repairing mode, and under the condition that the power supply finishes repairing the electrolytic capacitor, the terminal equipment controls the power supply to enter a working mode, namely the terminal equipment controls the power supply to carry out output after the electrolytic capacitor is electrified, so that the power supply can adapt to the carrying work in each application scene.
On the other hand, when the target time interval is detected to be not greater than the first threshold, the power supply can be in on-load operation without repairing the electrolytic capacitor, and at the moment, the terminal device can control the power supply to enter a working mode, namely the terminal device controls the power supply to output the on-load operation after the electrolytic capacitor is electrified, so that the power supply can adapt to the on-load operation in each application scene.
In the embodiment of the application, through obtaining the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor, whether the electrolytic capacitor needs to be repaired is judged, if so, the power is reported to the user, and the user controls the power to enter the electrolytic capacitor self-repairing mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repairing is achieved, the repairing efficiency is greatly improved, the electrolytic capacitor self-repairing method provided by the embodiment of the application is applied to the charging pile scene, and the method has very important significance for ensuring the safety and effectiveness of the charging pile power supply and the safety of vehicle driving.
Referring to fig. 3a, fig. 3a is a schematic diagram of an architecture for self-repairing of an electrolytic capacitor according to an embodiment of the present disclosure. As shown in fig. 3a, the charging pile system mainly comprises a power module, a clock unit and a system control unit, and the charging pile system can achieve the purpose of controlling the power module to repair the electrolytic capacitor by utilizing the cooperative work of the power module, the clock unit and the system control unit. The power module comprises a power supply provided with an electrolytic capacitor, and the power supply is used for charging (obtaining current from a power grid) and discharging (charging a product to be charged). The clock unit is integrated in the power module and is used for acquiring time information related to the power supply, and the time information may include a time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply. The system control unit is a control unit capable of executing instructions executed by a computer, and may correspond to the terminal device in fig. 2, which carries a processor capable of executing instructions executed by a computer, in physical hardware, and the system control unit is configured to control the power module to repair the electrolytic capacitor according to a time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply. As can be seen from fig. 3a, after the clock unit reads the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply, the clock unit performs data communication with the system control unit, the system control unit acquires time information related to the power supply accordingly, and determines whether the electrolytic capacitor needs to be repaired according to the acquired time information, if so, the time information is reported to the power supply, and the power supply in the power supply module is controlled to repair the electrolytic capacitor, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repairing is achieved, the repairing efficiency is greatly improved, and the electrolytic capacitor self-repairing framework provided by the embodiment of the application is applied to a charging pile scene, and has a very important significance for ensuring the safety and effectiveness of the charging pile power supply and the safety of vehicle driving.
Referring to fig. 3b, fig. 3b is a schematic diagram of another self-repairing structure of an electrolytic capacitor according to an embodiment of the present application. As shown in fig. 3b, the charging pile system mainly comprises a power module, a clock unit and a system control unit, and the charging pile system can achieve the purpose of controlling the power module to repair the electrolytic capacitor by utilizing the cooperative work of the power module, the clock unit and the system control unit. The power module comprises a power supply provided with an electrolytic capacitor, and the power supply is used for charging (obtaining current from a power grid) and discharging (charging a product to be charged). The clock unit is integrated in the system control unit and is used for acquiring time information related to the power supply, and the time information can comprise the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply. The system control unit is a control unit capable of executing instructions executed by a computer, and may correspond to the terminal device in fig. 2, which carries a processor capable of executing instructions executed by a computer, in physical hardware, and the system control unit is configured to control the power module to repair the electrolytic capacitor according to a time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply. Unlike the architecture diagram in fig. 3a, the clock unit in the embodiment of the present application is integrated in the system control unit, and may be integrated inside the terminal device in physical hardware. The architecture of each functional module, although different, plays a similar role in the electrolytic capacitor repair in the charging pile scenario as described above with reference to fig. 3 a.
Referring to fig. 3c, fig. 3c is a schematic diagram illustrating a self-repairing structure of an electrolytic capacitor according to an embodiment of the present disclosure. As shown in fig. 3c, the charging pile system mainly comprises a power module, a system control unit, and an operator control background, wherein the functions of the power module and the system control unit are similar to those of fig. 3a and 3b, and the difference is that the clock unit in the embodiment of the present application is integrated in the operator background network-connected to the power module and the system control unit. The function of each functional module in the electrolytic capacitor repair in the charging pile scenario is similar to that of fig. 3a and 3b described above.
Referring to fig. 4, fig. 4 is a schematic flow chart of another electrolytic capacitor self-repairing method provided in the embodiment of the present application, which can also be understood as a supplement to the flow chart of the electrolytic capacitor self-repairing method in fig. 2.
As shown in fig. 4, in combination with the self-repairing architecture of the electrolytic capacitor in fig. 3a, 3b, or 3c, it can be obtained that the charging pile system first powers up the power module (see step 401), where the charging pile system architecture may be any one of the architectures in fig. 3a, 3b, or 3 c. Then, the charging pile system detects a power-off time interval of the electrolytic capacitor in the power module (see step 402), that is, a time interval between the current power-on and the last power-off of the electrolytic capacitor, specifically, a clock unit for detecting the power-off time interval of the electrolytic capacitor in the power module may be integrated in the power module (see fig. 3a), may also be integrated in the system control unit (see fig. 3b), and may also be integrated in an operator background (see fig. 3c) connected to the power module and the system control unit via a network. The charging pile system then determines whether the electrolytic capacitor needs to be repaired according to the time interval (see step 403), specifically, the time interval may be compared with a first threshold, if the time interval is greater than the first threshold, it indicates that the electrolytic capacitor is in a long-term storage state and needs to be repaired, and if the time interval is not greater than the first threshold, it indicates that the electrolytic capacitor does not need to be repaired. Under the condition that the time interval is judged to be larger than the first threshold value, the charging pile system enters an electrolytic capacitor self-repairing mode (see step 404), specifically, the power supply is controlled to electrify the electrolytic capacitor at a target voltage value within a first time period, the target voltage value is not larger than the rated voltage of the electrolytic capacitor, and the power supply does not output power within the first time period; the target voltage value may further include at least two different voltage values, which are a first voltage value and a second voltage value, and the electrolytic capacitor is powered up by using the first voltage value as the target voltage value when the time interval is greater than the first threshold and less than the second threshold, where the second threshold is greater than the first threshold, the second voltage value is greater than the first voltage value, and the electrolytic capacitor is powered up by using the second voltage value as the target voltage value when the time interval is greater than the second threshold; further, under the condition that the time interval is larger than a third threshold value, the power supply is controlled to electrify the electrolytic capacitor with a third voltage value in a second time period, wherein the third threshold value is larger than the second threshold value, the second time period is a time period after the first time period, the third voltage value is larger than the first voltage value and the second voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, and the power supply does not output power in the second time period. After the purpose that the voltage value of the electrified electrolytic capacitor gradually approaches the rated voltage of the electrolytic capacitor is achieved, the charging pile system completes self-repairing on the electrolytic capacitor (see step 405). And (4) the charging pile enters a normal working mode (see step 406), namely the power supply is controlled to carry out on-load output after the electrolytic capacitor is electrified, so that the power supply can adapt to the on-load working in each application scene. From there, the charging pile ends the job (see step 407). In addition, under the condition that the time interval is not greater than the first threshold value, the power supply can be used for carrying out on-load work without repairing the electrolytic capacitor, at the moment, the charging pile system can control the power supply to directly enter a working mode, namely, the power supply is controlled to carry out on-load output after being electrified on the electrolytic capacitor, so that the power supply can be suitable for the on-load work under various application scenes.
The electrolytic capacitor self-repairing method provided by the embodiment of the application is applied to the charging pile scene, and has very important significance for ensuring the safety and effectiveness of the charging pile power supply and the safety of vehicle driving.
The method of the embodiments of the present application is explained in detail above, and the apparatus of the embodiments of the present application is provided below.
Referring to fig. 5, fig. 5 is a schematic structural diagram of an electrolytic capacitor self-repairing apparatus 50 according to an embodiment of the present disclosure, where the electrolytic capacitor self-repairing apparatus 50 may include an obtaining unit 501 and a control unit 502, where the units are described as follows:
an obtaining unit 501, configured to obtain time information, where the time information includes a target time interval between current power-on and last power-off of an electrolytic capacitor in the power supply;
a control unit 502, configured to control the power supply to enter a self-repair mode when the target time interval is greater than a first threshold, where the self-repair mode is a mode in which the power supply repairs the electrolytic capacitor.
In the embodiment of the application, the power supply is controlled to enter the electrolytic capacitor self-repairing mode according to the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply, so that the process of repairing the electrolytic capacitor is automated, and the purpose of self-repairing the electrolytic capacitor is achieved. Specifically, time information is firstly acquired, the time information comprises a target time interval of current power-on and last power-off of an electrolytic capacitor in a power supply, then the power supply is controlled to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold value, the power supply further repairs the electrolytic capacitor, and the first threshold value is not a fixed value and can be different according to different application scenes of the power supply. Compared with the existing method that the rated voltage is increased to the two ends of the electrolytic capacitor by connecting the current-limiting resistor and the power supply to the two ends of the electrolytic capacitor manually, the method for repairing the electrolytic capacitor by controlling the power supply by utilizing the time interval between the current power-on and the last power-off can greatly improve the self-repairing efficiency of the electrolytic capacitor and enable the power supply to be suitable for the on-load work under various application scenes.
In a possible implementation, the control unit 502 is specifically configured to control the power supply to perform a first operation, where the first operation includes that the power supply powers up the electrolytic capacitor with a target voltage value in a first time period, the target voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power in the first time period.
In the embodiment of the present application, the controlling of the power supply to enter the self-repair mode is further described, that is, in a case that the target time interval is greater than the first threshold, the control unit controls the power supply to perform a first operation, where the first operation includes that the power supply powers up the electrolytic capacitor at a target voltage value in a first time period of entering the self-repair mode, the first time period is not a fixed value, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the target time interval and the size of the target voltage value, the target voltage value should not be greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the first time period, that is, a product equipped with the electrolytic capacitor is in an idle output state. The embodiment of the application realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, and greatly improves the repairing efficiency.
In a possible embodiment, the target voltage value comprises a first voltage value and a second voltage value, the first voltage value and the second voltage value being different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
In the embodiment of the present application, the target voltage value of the electrolytic capacitor is further described, where the target voltage value includes at least two different voltage values, which are a first voltage value and a second voltage value, where the first voltage value and the second voltage value are not fixed values, and may be different according to different application scenarios of the power supply, or may be dynamically adjusted according to the size of the target time interval, but the first voltage value and the second voltage value are not greater than the rated voltage of the electrolytic capacitor. Specifically, the electrolytic capacitor may be powered up by using different target voltage values according to the size of the target time interval, and the electrolytic capacitor may be powered up by using the first voltage value as the target voltage value when the target time interval is greater than the first threshold and smaller than a second threshold, where the second threshold is greater than the first threshold, and the second threshold is not a fixed value and may be different according to different application scenarios of the power supply; and under the condition that the target time interval is larger than the second threshold value, adopting the second voltage value as a target voltage value to electrify the electrolytic capacitor. According to the embodiment of the application, the electrolytic capacitor is electrified by adopting different target voltage values according to the size of the target time interval, so that the repair efficiency of the electrolytic capacitor can be improved.
In a possible implementation, the control unit 502 is specifically further configured to, in a case that the target time interval is greater than a third threshold, control the power supply to perform a second operation after performing the first operation, where the second operation includes the power supply powering on the electrolytic capacitor with a third voltage value for a second time period, the third threshold is greater than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the second time period.
In the embodiment of the present application, another method is provided for controlling the power supply to enter the self-repair mode, in which after the control unit controls the power supply to perform the first operation, in a case where the target time interval is greater than a third threshold, the control unit controls the power supply to perform the second operation. The third threshold is greater than the second threshold, and the third threshold is not a fixed value and may be different according to different application scenarios of the power supply. The second operation includes that the power supply powers on the electrolytic capacitor with a third voltage value in a second time period when entering the self-repairing mode, wherein the second time period is a time period after the first time period, the second time period is not a fixed value, the second time period can be different according to different application scenes of the power supply, and can also be dynamically adjusted according to a target time interval, the first time period, a target voltage value and the size of the third voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, the third voltage value is different from the first voltage value and the second voltage value, and the power supply does not output power in the second time period, namely, a product provided with the electrolytic capacitor is in a no-load output state. The embodiment of the application realizes the automation of the electrolytic capacitor repairing process, achieves the purpose of electrolytic capacitor self-repairing, and repairs the electrolytic capacitor in a grading manner according to the size of the target time interval, namely, different voltage values are adopted to electrify the electrolytic capacitor in different time periods according to the size of the target time interval, so that the repairing efficiency of the electrolytic capacitor can be greatly improved.
In a possible implementation manner, the control unit 502 is further configured to control the power supply to enter an operating mode when the power supply completes repairing the electrolytic capacitor, where the operating mode is a mode in which the power supply outputs an on-load voltage after powering on the electrolytic capacitor.
In the embodiment of the application, the control unit controls the power supply to enter the self-repairing mode, and under the condition that the power supply finishes repairing the electrolytic capacitor, the control unit controls the power supply to enter the working mode, namely the control unit controls the power supply to carry out on-load output after the power supply powers on the electrolytic capacitor, so that the power supply can adapt to the on-load work in each application scene.
In a possible implementation manner, the control unit 502 is further configured to control the power supply to enter an operating mode when the target time interval is not greater than the first threshold, where the operating mode is a mode in which the power supply outputs a load after the power supply powers on the electrolytic capacitor.
In this embodiment of the application, when it is detected that the target time interval is not greater than the first threshold, it indicates that the power supply can perform the on-load operation without repairing the electrolytic capacitor, and at this time, the control unit may control the power supply to enter the operating mode, that is, the control unit controls the on-load output of the power supply after the power supply powers on the electrolytic capacitor, so that the power supply can adapt to the on-load operation in each application scenario.
According to the embodiment of the present application, the units in the apparatus shown in fig. 5 may be respectively or entirely combined into one or several other units to form a structure, or some unit(s) therein may be further split into multiple functionally smaller units to form a structure, which may achieve the same operation without affecting the achievement of the technical effect of the embodiment of the present application. The units are divided based on logic functions, and in practical application, the functions of one unit can be realized by a plurality of units, or the functions of a plurality of units can be realized by one unit. In other embodiments of the present application, the network-based device may also include other units, and in practical applications, these functions may also be implemented by being assisted by other units, and may be implemented by cooperation of multiple units.
It should be noted that the implementation of each unit may also correspond to the corresponding description of the method embodiments shown in fig. 2 and fig. 4.
In the electrolytic capacitor self-repairing device 50 depicted in fig. 5, by obtaining the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor, it is determined whether the electrolytic capacitor needs to be repaired, and if so, the time interval is reported to the power supply, and the power supply is controlled to enter the electrolytic capacitor self-repairing mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repairing is achieved, and the repairing efficiency is greatly improved.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a terminal device 60 according to an embodiment of the present disclosure. The terminal device 60 may include a memory 601, a processor 602. Further optionally, a communication interface 603 and a bus 604 may be further included, wherein the memory 601, the processor 602, and the communication interface 603 are communicatively connected to each other through the bus 604. The communication interface 603 is used for data interaction with the electrolytic capacitor self-repairing apparatus 50.
The memory 601 is used to provide a storage space, and data such as an operating system and a computer program may be stored in the storage space. The memory 601 includes, but is not limited to, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM), or a portable read-only memory (CD-ROM).
The processor 602 is a module for performing arithmetic operations and logical operations, and may be one or a combination of plural kinds of processing modules such as a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), a microprocessor unit (MPU), or the like.
The memory 601 stores a computer program, and the processor 602 calls the computer program stored in the memory 601 to execute the electrolytic capacitor self-repairing method shown in fig. 2 and 4:
acquiring time information, wherein the time information comprises a target time interval of current electrification and last electrification of an electrolytic capacitor in the power supply;
and under the condition that the target time interval is larger than a first threshold value, controlling the power supply to enter a self-repairing mode, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor.
In the embodiment of the application, the power supply is controlled to enter the electrolytic capacitor self-repairing mode according to the time interval between the current power-on and the last power-off of the electrolytic capacitor in the power supply, so that the process of repairing the electrolytic capacitor is automated, and the purpose of self-repairing the electrolytic capacitor is achieved. Specifically, time information is firstly acquired, the time information comprises a target time interval of current power-on and last power-off of an electrolytic capacitor in a power supply, then the power supply is controlled to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold value, the power supply further repairs the electrolytic capacitor, and the first threshold value is not a fixed value and can be different according to different application scenes of the power supply. Compared with the existing method that the rated voltage is increased to the two ends of the electrolytic capacitor by connecting the current-limiting resistor and the power supply to the two ends of the electrolytic capacitor manually, the method for repairing the electrolytic capacitor by controlling the power supply by utilizing the time interval between the current power-on and the last power-off can greatly improve the self-repairing efficiency of the electrolytic capacitor and enable the power supply to be suitable for the on-load work under various application scenes.
In one possible implementation, in controlling the power supply to enter the self-repair mode, the processor 602 is specifically configured to perform:
controlling the power supply to perform a first operation, the first operation including the power supply powering up the electrolytic capacitor at a target voltage value for a first time period, the target voltage value being no greater than a nominal voltage of the electrolytic capacitor, and the power supply not outputting power for the first time period.
In a possible embodiment, the target voltage value comprises a first voltage value and a second voltage value, the first voltage value and the second voltage value being different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
In a possible implementation manner, after controlling the power supply to perform the first operation, the processor 602 is further configured to perform:
and controlling the power supply to perform a second operation when the target time interval is larger than a third threshold, wherein the second operation comprises the power supply powering on the electrolytic capacitor with a third voltage value within a second time period, the third threshold is larger than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, and the power supply does not output power within the second time period.
In one possible implementation, after controlling the power supply to enter the self-repair mode, the processor 602 is further configured to:
and under the condition that the electrolytic capacitor is repaired by the power supply, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out output after the electrolytic capacitor is electrified by the power supply.
In one possible implementation, after controlling the power supply to enter the self-repair mode, the processor 602 is further configured to:
and under the condition that the power supply finishes repairing the electrolytic capacitor, controlling the power supply to be powered off or entering a standby mode, wherein the standby mode is a no-load electrification mode after the power supply powers on the electrolytic capacitor.
In a possible implementation, the processor 602 is further configured to perform:
and under the condition that the target time interval is not greater than the first threshold, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out load output after the power supply powers on the electrolytic capacitor.
Accordingly, the processor 602 calls the computer program stored in the memory 601, and can be further used to execute the method steps executed by the obtaining unit 501 and the control unit 502 in the electrolytic capacitor self-repairing apparatus 50 shown in fig. 5, and specific contents thereof can refer to fig. 5, which is not described herein again.
In the terminal device 60 depicted in fig. 6, by obtaining the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor, it is determined whether the electrolytic capacitor needs to be repaired, and if so, the time interval is reported to the power supply, and the power supply is controlled to enter the electrolytic capacitor self-repair mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repair is achieved, and the repair efficiency is greatly improved.
Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored, and when the computer program runs on one or more processors, the method shown in fig. 2 and fig. 4 may be implemented.
Embodiments of the present application further provide a computer program product, which when run on a processor, can implement the methods shown in fig. 2 and fig. 4.
In conclusion, the time interval between the current power-on and the last power-off of the product with the electrolytic capacitor is obtained, whether the electrolytic capacitor needs to be repaired is judged, if yes, the time interval is reported to the power supply, and the power supply is controlled to enter the electrolytic capacitor self-repairing mode, so that the automation of the electrolytic capacitor repairing process can be realized, the purpose of electrolytic capacitor self-repairing is achieved, and the repairing efficiency is greatly improved.
One of ordinary skill in the art will appreciate that all or part of the processes in the methods of the above embodiments can be implemented by hardware associated with a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the above method embodiments. And the aforementioned storage medium includes: various media that can store computer program code, such as a read-only memory ROM or a random access memory RAM, a magnetic disk, or an optical disk.

Claims (15)

1. A self-repairing method of electrolytic capacitors is applied to power supplies and is characterized by comprising the following steps:
acquiring time information, wherein the time information comprises a target time interval of current electrification and last electrification of an electrolytic capacitor in the power supply;
and under the condition that the target time interval is larger than a first threshold value, controlling the power supply to enter a self-repairing mode, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor.
2. The method of claim 1, wherein the controlling the power source to enter a self-repair mode comprises:
controlling the power supply to perform a first operation, the first operation including the power supply powering up the electrolytic capacitor at a target voltage value for a first time period, the target voltage value being no greater than a nominal voltage of the electrolytic capacitor, and the power supply not outputting power for the first time period.
3. The method of claim 2, wherein the target voltage value comprises a first voltage value and a second voltage value, the first voltage value and the second voltage value being different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
4. The method of claim 3, wherein after the controlling the power supply to perform the first operation, the method further comprises:
and controlling the power supply to perform a second operation when the target time interval is larger than a third threshold, wherein the second operation comprises the power supply powering on the electrolytic capacitor with a third voltage value within a second time period, the third threshold is larger than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not larger than the rated voltage of the electrolytic capacitor, and the power supply does not output power within the second time period.
5. The method of claim 1, wherein after the controlling the power source to enter a self-repair mode, the method further comprises:
and under the condition that the electrolytic capacitor is repaired by the power supply, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out output after the electrolytic capacitor is electrified by the power supply.
6. The method according to any one of claims 1 to 5, further comprising:
and under the condition that the target time interval is not greater than the first threshold, controlling the power supply to enter a working mode, wherein the working mode is a mode of carrying out load output after the power supply powers on the electrolytic capacitor.
7. An electrolytic capacitor self-repair device, comprising:
the acquisition unit is used for acquiring time information of an electrolytic capacitor in a power supply, wherein the time information comprises a target time interval of current electrification and last electrification of the electrolytic capacitor;
and the control unit is used for controlling the power supply to enter a self-repairing mode under the condition that the target time interval is larger than a first threshold, wherein the self-repairing mode is a mode that the power supply repairs the electrolytic capacitor.
8. The apparatus according to claim 7, wherein the control unit is specifically configured to control the power supply to perform a first operation, the first operation includes the power supply powering up the electrolytic capacitor at a target voltage value for a first time period, the target voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the first time period.
9. The apparatus of claim 8, wherein the target voltage value comprises a first voltage value and a second voltage value, the first voltage value and the second voltage value being different;
if the target time interval is greater than the first threshold and less than a second threshold, the target voltage value is the first voltage value, and the second threshold is greater than the first threshold;
the target voltage value is the second voltage value if the target time interval is greater than the second threshold.
10. The apparatus according to claim 9, wherein the control unit is further configured to control the power supply to perform a second operation after performing the first operation if the target time interval is greater than a third threshold, the second operation includes the power supply powering up the electrolytic capacitor with a third voltage value for a second time period, the third threshold is greater than the second threshold, the second time period is a time period after the first time period, the third voltage value is different from the first voltage value and the second voltage value, the third voltage value is not greater than a rated voltage of the electrolytic capacitor, and the power supply does not output power during the second time period.
11. The device according to claim 7, wherein the control unit is further configured to control the power supply to enter an operating mode when the power supply completes repairing the electrolytic capacitor, and the operating mode is a mode in which the power supply outputs an on-load output after powering on the electrolytic capacitor.
12. The device according to any one of claims 7 to 11, wherein the control unit is further configured to control the power supply to enter an operating mode in which the power supply outputs an on-load output after powering on the electrolytic capacitor if the target time interval is not greater than the first threshold.
13. An electrolytic capacitor self-repair device, comprising: a processor and a memory;
the memory is used for storing computer execution instructions;
the processor is configured to execute computer-executable instructions stored by the memory to cause the electrolytic capacitor self-repair device to perform the method of any of claims 1-6.
14. A computer-readable storage medium, comprising:
the computer readable storage medium is used for storing instructions or a computer program; the instructions or the computer program, when executed, cause the method of any of claims 1 to 6 to be implemented.
15. A computer program product, comprising: instructions or computer programs;
the instructions or the computer program, when executed, cause the method of any of claims 1 to 6 to be implemented.
CN202110348841.1A 2021-03-31 2021-03-31 Electrolytic capacitor self-repairing method and device, electronic equipment and storage medium Pending CN114374238A (en)

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