CN114878091A - Method, device and equipment for detecting leakage of storage battery and storage medium - Google Patents
Method, device and equipment for detecting leakage of storage battery and storage medium Download PDFInfo
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
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Abstract
本发明公开了一种蓄电池的漏液检测方法、装置、设备及存储介质。该方法包括：通过漏液传感器采集蓄电池中检测点的实时电解液数据；通过绝缘阻抗传感器采集蓄电池的实时阻抗值；通过电流传感器分别采集蓄电池中正极母线的实时正极电流和负极母线的实时负极电流；通过微处理单元，根据所述检测点的实时电解液数据、所述蓄电池的实时阻抗值、所述实时正极电流和所述实时负极电流中的至少一项，确定蓄电池的漏液检测结果。通过各类传感器实时检测蓄电池各类数据，以便快速自动定位蓄电池漏液故障点，减少维护人员工作量，降低因电池漏液带来的风险，避免发生安全事故，提供了一套蓄电池漏液精准检测方案。
The invention discloses a liquid leakage detection method, device, equipment and storage medium of a storage battery. The method includes: collecting real-time electrolyte data of a detection point in a storage battery through a liquid leakage sensor; collecting real-time impedance value of the storage battery through an insulation resistance sensor; collecting real-time positive current of a positive bus bar and real-time negative current of a negative bus in the storage battery through a current sensor respectively ; Through the microprocessing unit, according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current, determine the leakage detection result of the storage battery. Various types of battery data are detected in real time through various sensors, so as to quickly and automatically locate the fault point of battery leakage, reduce the workload of maintenance personnel, reduce the risk caused by battery leakage, and avoid safety accidents. It provides a set of accurate battery leakage. detection plan.
Description
Technical Field
The embodiment of the invention relates to the technical field of storage batteries of transformer substations, in particular to a method, a device, equipment and a storage medium for detecting leakage of a storage battery.
Background
The storage battery is the core part of the uninterrupted power supply of the transformer substation, the problem of battery leakage can occur due to the problem of battery quality or overlong service cycle, the leakage of the storage battery can cause leakage current or electrical short circuit besides causing premature damage of the storage battery, harm can be caused to the environment, information equipment, personal safety and the like of a machine room, and fire hazard can be easily caused.
Aiming at the hidden trouble of leakage of the storage battery, the common processing mode is to regularly arrange staff for inspection and maintenance, the problems of untimely and inaccurate monitoring exist, the manual maintenance cost is high, and the labor and the time are consumed. Therefore, how to accurately detect battery weeping, quick automatic positioning battery weeping fault point, and then reduce maintainer work load, guarantee information-based equipment safety, personal safety reduce because of the risk that battery weeping brought, avoid taking place the incident, are the problem that needs to solve at present urgently.
Disclosure of Invention
The embodiment of the invention provides a method and a device for detecting leakage of a storage battery, which are used for rapidly and automatically positioning a leakage fault point of the storage battery, reducing the workload of maintenance personnel, reducing risks caused by leakage of the storage battery and avoiding safety accidents.
In a first aspect, an embodiment of the present invention provides a method for detecting leakage of a storage battery, including:
acquiring real-time electrolyte data of a detection point in a storage battery through a leakage sensor;
acquiring a real-time impedance value of the storage battery through an insulation impedance sensor;
respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in a storage battery through a current sensor;
and determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current through a micro-processing unit.
In a second aspect, an embodiment of the present invention further provides a device for detecting leakage of a storage battery, including:
the leakage sensor, the insulation resistance sensor, the current sensor and the micro-processing unit; the leakage sensor, the insulation resistance sensor and the current sensor are all connected with the micro-processing unit; wherein:
the leakage sensor is used for acquiring real-time electrolyte data of a detection point in the storage battery;
the insulation resistance sensor is used for acquiring a real-time resistance value of the storage battery;
the current sensor is used for respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in the storage battery;
and the micro-processing unit is used for determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive electrode current and the real-time negative electrode current.
In a third aspect, an embodiment of the present invention further provides an electronic device, where the electronic device includes:
one or more processors;
a memory for storing one or more programs,
when the one or more programs are executed by the one or more processors, the one or more processors implement the method for detecting leakage from a battery according to any of the first aspects.
In a fourth aspect, the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the leakage detection method for a storage battery according to any one of the first aspect.
In the embodiment of the invention, real-time electrolyte data of a detection point in a storage battery is acquired through a leakage sensor; acquiring a real-time impedance value of the storage battery through an insulation impedance sensor; respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in a storage battery through a current sensor; and determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current through a micro-processing unit. Through all kinds of sensor real-time detection battery all kinds of data to quick automatic positioning battery weeping fault point reduces maintainer work load, reduces the risk because of the battery weeping brings, avoids taking place the incident, provides the accurate detection scheme of one set of battery weeping.
Drawings
Fig. 1 is a flowchart of a method for detecting leakage of a storage battery according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a leakage detection device for a storage battery according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
Example one
Fig. 1 is a flowchart of a method for detecting leakage of a storage battery according to an embodiment of the present invention, where the method is applicable to detecting and reminding leakage of a storage battery in a substation, and the method may be executed by a device for detecting leakage of a storage battery according to an embodiment of the present invention, where the device may be implemented in a hardware and/or software manner and integrated in an electronic device, as shown in fig. 1, the method specifically includes the following steps:
and S110, acquiring real-time electrolyte data of a detection point in the storage battery through a leakage sensor.
The leakage sensor can be a sensor for acquiring electrolyte data of a monitoring point in the storage battery in real time according to the conductivity of liquid and consists of an electrode and an insulator for separating the electrode.
Specifically, if a leak occurs in the battery, the electrodes of the leak sensor disposed at the detection points in the battery are short-circuited, and the impedance value between the electrodes is lowered, so that the leak sensor can detect the change.
Optionally, the acquiring of the real-time electrolyte data of the detection point in the storage battery through the leakage sensor includes at least one of the following items:
collecting real-time electrolyte data of a safety valve detection point in a storage battery through a leakage sensor;
acquiring real-time electrolyte data of a detection point of a tank cover in the storage battery through a leakage sensor;
acquiring real-time electrolyte data of a shell detection point in the storage battery through a leakage sensor;
and acquiring real-time electrolyte data of a terminal detection point in the storage battery through a leakage sensor.
Particularly, detection points can be arranged on the periphery or the bottom of a safety valve, a cell cover and a shell of the storage battery or on a wiring terminal, electrolyte data of the storage battery are detected in real time, and whether electrolyte overflows is judged so as to visually detect whether the leakage phenomenon occurs to the storage battery.
And S120, acquiring a real-time impedance value of the storage battery through the insulation impedance sensor.
The current in the storage battery can be alternating current, and the impedance values of the resistor, the inductor and the capacitor in the storage battery circuit to the alternating current can be acquired in real time through the insulation impedance sensor.
Specifically, the insulation resistance sensor can measure the internal resistance and voltage of the storage battery in real time, apply a 1KHz alternating current signal to the storage battery, measure the internal resistance of the storage battery generated by alternating current voltage reduction, and judge the state of the storage battery according to the internal resistance value. It can be understood that when the storage battery has leakage, along with the loss of the acid liquor, the transmission capability of the battery to the current is reduced, the internal impedance is increased, and finally, the internal impedance is increased and the voltage change of the storage battery is shown, so that the battery is judged to have abnormality.
And S130, respectively acquiring real-time positive current of a positive bus and real-time negative current of a negative bus in the storage battery through a current sensor.
Specifically, when the leakage of the storage battery occurs, the acid solution of the storage battery overflows and contacts with the battery rack/cabinet, the positive current of the positive bus and the negative current of the negative bus in the storage battery can be changed due to the conductive effect of the electrolyte, and the condition of the storage battery is monitored according to the current change.
And S140, determining a leakage detection result of the storage battery through the micro-processing unit according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current.
Optionally, the determining, by the microprocessor unit, a detection result of the leakage of the storage battery according to the real-time electrolyte data of the detection point includes:
and determining leakage of the storage battery by the micro-processing unit if the difference value between the real-time electrolyte data of any detection point and the standard electrolyte data of the detection point is larger than the electrolyte threshold value, and taking the detection point as a leakage fault point.
The electrolyte threshold value can be a preset numerical value for judging whether the electrolyte of the storage battery leaks or not. It can be understood that if the electrolyte leaks from the storage battery, the electrolyte overflows to cause the change of the electrolyte data detected in real time, and if the difference value between the real-time electrolyte data of the detection point and the standard electrolyte data of the detection point is greater than the preset electrolyte threshold value, the leakage fault of the detection point is indicated.
Optionally, the determining, by the microprocessor unit, a leakage detection result of the storage battery according to the real-time positive current and the real-time negative current includes:
and determining leakage of the storage battery and determining that the leakage fault reason is current imbalance if the difference between the real-time positive current and the real-time negative current is larger than the current threshold value through the micro-processing unit.
The current threshold may be a preset safe current difference between the positive electrode current and the negative electrode current of the storage battery. Specifically, if the storage battery leaks, the overflow of the acid solution can cause the change of the positive current of the positive bus and the negative current of the negative bus in the storage battery, and if the difference value between the positive current and the negative current is greater than a preset current threshold value, the leakage of the storage battery is indicated, and the leakage reason is current imbalance.
Optionally, after determining the result of the detection of the leakage of the storage battery, the method further includes: and under the condition of leakage of the storage battery, determining leakage fault description information, and displaying the leakage fault description information through a display unit.
Specifically, when the leakage of the storage battery is determined according to the leakage detection result of the storage battery, the specific fault and fault description information of the leakage of the storage battery can be determined, the fault description information of the leakage of the storage battery is displayed through the display unit, and a worker is intuitively reminded of the leakage of the storage battery, so that a maintainer can overhaul the leakage fault point of the storage battery as soon as possible according to the fault description information, and equipment and personnel safety are better guaranteed.
Optionally, the method for detecting leakage of the storage battery further includes: and under the condition of leakage of the storage battery, transmitting leakage fault description information to a preset intelligent terminal through a wireless communication technology.
Specifically, when the leakage of the storage battery is determined, the leakage fault description information can be sent to a preset intelligent terminal through a wireless communication technology. The intelligent terminal can be a personal computer, a tablet computer, a smart phone or the like. Therefore, the working personnel can timely know the leakage and the specific fault point of the storage battery, timely carry out maintenance work and improve the fault processing efficiency.
In an example, the transformer substation storage battery in the embodiment of the present invention adopts a real-time data fusion technology of multiple sensors, real-time electrolyte data is collected by a leakage sensor, a real-time impedance value of the storage battery is collected by an insulation impedance sensor, a real-time positive electrode current of a positive electrode bus and a real-time negative electrode current of a negative electrode bus in the storage battery are respectively collected by a current sensor, all data are gathered to a micro-processing unit for analysis, and when an electrolyte threshold value is reached or a positive electrode current difference value and a negative electrode current difference value exceed a preset current threshold value, a system automatically generates alarm information according to a leakage detection result, and informs a user of a reason for causing an alarm, that is, fault description information. The convenience of users can timely know the fault according to the alarm information, eliminate the hidden trouble, reduce various potential safety hazards caused by leakage of the storage battery, and avoid safety accidents.
In the embodiment of the invention, real-time electrolyte data of a detection point in a storage battery is acquired through a leakage sensor; acquiring a real-time impedance value of the storage battery through an insulation impedance sensor; respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in a storage battery through a current sensor; and determining a leakage detection result of the storage battery through the micro-processing unit according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current. Through the weeping condition of all kinds of sensors real-time detection battery, monitor battery weeping according to all kinds of data to quick automatic positioning battery weeping fault point reduces maintainer work load, reduces the risk because of the battery weeping brings, avoids taking place the incident, provides one set of accurate detection scheme of battery weeping, the weeping condition of battery can real-time supervision, effectively solve the weeping of battery can not in time discover, the inaccurate problem of fault detection.
Example two
Fig. 2 is a schematic structural diagram of a leakage detection device for a storage battery according to a second embodiment of the present invention. This embodiment is applicable in the transformer substation in the battery weeping detect and remind, and the device can adopt the mode of hardware and/or software to realize, and the device can be integrated in any equipment that provides the weeping of battery and detect the function, as shown in fig. 2, the weeping detection device of battery specifically can include:
a leakage sensor 210, an insulation resistance sensor 220, a current sensor 230, and a micro-processing unit 240; the leakage sensor 210, the insulation resistance sensor 220 and the current sensor 230 are all connected with the micro-processing unit 240; wherein:
the leakage sensor 210 is used for acquiring real-time electrolyte data of a detection point in the storage battery;
the insulation resistance sensor 220 is used for acquiring a real-time resistance value of the storage battery;
the current sensor 230 is used for respectively collecting the real-time positive current of the positive bus and the real-time negative current of the negative bus in the storage battery;
and the micro-processing unit 240 is used for determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current.
Optionally, the leakage sensor 210 is specifically configured to:
the leakage sensor 210 is specifically used for acquiring real-time electrolyte data of a safety valve detection point in the storage battery;
the leakage sensor 210 is specifically used for collecting real-time electrolyte data of a detection point of a tank cover in the storage battery;
the leakage sensor 210 is specifically used for collecting real-time electrolyte data of a detection point of a shell in the storage battery;
the leakage sensor 210 is further configured to collect real-time electrolyte data at a detection point of a connection terminal in the storage battery.
Optionally, the micro processing unit 240 is specifically configured to determine that the storage battery has a leakage if it is determined that a difference between the real-time electrolyte data at any one of the detection points and the standard electrolyte data at the detection point is greater than the electrolyte threshold, and use the detection point as a leakage fault point.
Correspondingly, the micro processing unit 240 is further specifically configured to determine that the leakage of the storage battery occurs and determine that the leakage fault cause is current imbalance if it is determined that the difference between the real-time positive electrode current and the real-time negative electrode current is greater than the current threshold.
Optionally, the leakage detecting device of the storage battery further includes:
and the display module 250 is configured to determine the description information of the leakage fault under the condition that the battery leaks after determining the detection result of the leakage of the battery, and display the description information of the leakage fault through the display unit 250.
Optionally, the leakage detecting device of the storage battery further includes:
and the wireless communication module is used for sending the leakage fault description information to a preset intelligent terminal through a wireless communication technology under the condition that the storage battery leaks.
The leakage detection device for the storage battery provided by the embodiment of the invention can execute the leakage detection method for the storage battery provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
EXAMPLE III
Fig. 3 is a schematic structural diagram of an electronic device according to a third embodiment of the present invention, and fig. 3 shows a block diagram of an exemplary electronic device 12 suitable for implementing the embodiment of the present invention. The electronic device 12 shown in fig. 3 is only an example and should not bring any limitations to the function and scope of use of the embodiments of the present invention.
As shown in FIG. 3, electronic device 12 is embodied in the form of a general purpose computing device. The components of electronic device 12 may include, but are not limited to: one or more processors or processing units 16, a system memory 28, and a bus 18 that couples various system components including the system memory 28 and the processing unit 16.
The system memory 28 may include computer system readable media in the form of volatile memory, such as Random Access Memory (RAM)30 and/or cache memory (cache 32). The electronic device 12 may further include other removable/non-removable, volatile/nonvolatile computer system storage media. By way of example only, storage system 34 may be used to read from and write to non-removable, nonvolatile magnetic media (not shown in FIG. 3, and commonly referred to as a "hard drive"). Although not shown in FIG. 3, a magnetic disk drive for reading from and writing to a removable, nonvolatile magnetic disk (e.g., a "floppy disk") and an optical disk drive for reading from or writing to a removable, nonvolatile optical disk (e.g., a CD-ROM, DVD-ROM, or other optical media) may be provided. In these cases, each drive may be connected to bus 18 by one or more data media interfaces. System memory 28 may include at least one program product having a set (e.g., at least one) of program modules that are configured to carry out the functions of embodiments of the invention.
A program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in system memory 28, such program modules 42 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, each of which examples or some combination thereof may comprise an implementation of a network environment. Program modules 42 generally carry out the functions and/or methodologies of embodiments described herein.
The processing unit 16 executes various functional applications and data processing by running a program stored in the system memory 28, for example, implementing a method for detecting leakage from a battery according to an embodiment of the present invention:
acquiring real-time electrolyte data of a detection point in a storage battery through a leakage sensor;
acquiring a real-time impedance value of the storage battery through an insulation impedance sensor;
respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in a storage battery through a current sensor;
and determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current through the micro-processing unit.
Example four
A fourth embodiment of the present invention further provides a computer-readable storage medium, on which a computer program (or referred to as computer-executable instructions) is stored, where the computer program, when executed by a processor, implements the method for detecting leakage of a storage battery according to any of the foregoing embodiments of the present invention, where the method includes:
acquiring real-time electrolyte data of a detection point in a storage battery through a leakage sensor;
acquiring a real-time impedance value of the storage battery through an insulation impedance sensor;
respectively acquiring real-time positive electrode current of a positive electrode bus and real-time negative electrode current of a negative electrode bus in a storage battery through a current sensor;
and determining a leakage detection result of the storage battery according to at least one of the real-time electrolyte data of the detection point, the real-time impedance value of the storage battery, the real-time positive current and the real-time negative current through the micro-processing unit.
Of course, the embodiment of the present invention provides a storage medium containing computer-readable instructions, and the computer-executable instructions are not limited to the operations of the method described above, and may also perform related operations in the method for detecting leakage of a storage battery provided by the embodiment of the present invention.
It should be noted that, as for the apparatus, the device and the storage medium embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and in relevant places, reference may be made to the partial description of the method embodiments.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, and the computer software product may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions to enable a computer device (which may be a robot, a personal computer, a server, or a network device) to execute the leakage detection method for a storage battery according to any embodiment of the present invention.
It should be noted that, in the above apparatus, each included module and unit are merely divided according to functional logic, but are not limited to the above division as long as the corresponding functions can be implemented; in addition, specific names of the functional units are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
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| CN115754746A (en) * | 2022-11-16 | 2023-03-07 | 上海神力科技有限公司 | Method and device for online diagnosis of leakage of fuel cell polar plate and storage medium |
| CN116125134A (en) * | 2023-04-04 | 2023-05-16 | 北京中联太信科技有限公司 | Electrolytic cell current monitoring system and method |
| CN116164899A (en) * | 2022-10-21 | 2023-05-26 | 杭州高特电子设备股份有限公司 | A battery leakage detection device |
| CN116298969A (en) * | 2023-03-01 | 2023-06-23 | 武汉光庭信息技术股份有限公司 | Power battery current measurement and insulation protection system, method, medium and equipment |
| CN117760644A (en) * | 2023-12-26 | 2024-03-26 | 深圳市祥为测控技术有限公司 | Leakage on-line detection method for energy storage battery |
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