CN111277008A - Storage battery online monitoring method and device, equipment, system and storage medium thereof - Google Patents
Storage battery online monitoring method and device, equipment, system and storage medium thereof Download PDFInfo
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Abstract
The invention provides a storage battery online monitoring method, a device, a system and a storage medium thereof, which are characterized in that first operation parameter data corresponding to at least one storage battery one by one and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery are obtained in real time, then whether the first operation parameter data and the second operation parameter data are abnormal or not is monitored, if the first operation parameter data and the second operation parameter data are abnormal, an alarm signal is sent to a man-machine interaction terminal, or a voltage value is monitored to remind that the storage battery or the storage battery pack is charged, and the actual output voltage or current of the storage battery pack is adjusted according to the first operation parameter data and the second operation parameter data. The invention can monitor the running state of the storage battery in real time and send an alarm in time, thereby greatly reducing the risk of driving accidents caused by faults of the storage battery, simultaneously improving the battery performance of the storage battery and reducing the maintenance workload.
Description
Technical Field
The invention relates to the technical field of storage battery monitoring. In particular to a storage battery on-line monitoring method and a device, equipment, a system and a storage medium thereof.
Background
In steel and iron and some mechanical manufacturing enterprises, a magnetic disc crane is generally used for hoisting waste steel, steel billets and steel. The magnetic disk is made of iron and steel by the magnetic force generated by DC coil in iron core. In the lifting process, if power failure occurs suddenly, heavy objects such as lifted scrap iron and steel fall down, serious accidents such as equipment damage or life casualties can occur, and huge loss is brought. Therefore, a set of storage battery is generally added to the crane of the magnetic disk crane vehicle to serve as a standby power supply, the storage battery is in a floating charging standby state at ordinary times, alternating current commercial power is converted into direct current to supply power to a load through a rectifying device, and the storage battery is the only energy supplier of the load in the state of alternating current power failure or other accident, once a problem occurs, a power supply system is in a paralysis state, and equipment shutdown and other major operation accidents are caused.
Along with rapid economic growth in recent years, industries such as communication, electric power, UPS and the like are rapidly developed, and the consumption of storage batteries is rapidly increased. With the development of lead-acid storage battery technology, the original fixed acid-isolating explosion-proof lead-acid battery is gradually eliminated, and is replaced by a novel full-sealing valve-controlled lead-acid storage battery (commonly called a maintenance-free lead-acid storage battery). Although the valve-regulated lead-acid storage battery has numerous advantages (such as good heavy current characteristic, small self-discharge, stable performance, no acid leakage, cleanness and safety), the service conditions in recent years show that the valve-regulated lead-acid storage battery does not realize real maintenance-free, the early failure phenomenon of the battery often occurs due to the reasons of the quality, the performance or improper use (lack of correct maintenance) and the like, and some of the valve-regulated lead-acid storage batteries are failed after only 2 to 3 years and are far shorter than the expected service life, and the safe operation of the system is seriously influenced. The valve-controlled lead-acid storage battery has the advantages of no accurate control of the health condition of the storage battery due to the special valve-controlled sealing structure, and the maintenance-free performance of the valve-controlled lead-acid storage battery becomes a defect and a difficulty in the operation management of the battery. The prior fixed acid-insulating explosion-proof lead-acid battery operation maintenance method (such as observing whether a polar plate is bent, corroded or dropped, measuring sulfuric acid density, observing liquid level height, adding electrolyte and the like) is not suitable for a valve-controlled lead-acid battery, so that the new problem of battery operation management is to quickly and effectively monitor an early-failure battery and predict the performance change trend of the battery while improving the battery performance and reducing the maintenance workload.
In the use of the existing storage battery, the running state of the storage battery cannot be known, and the storage battery cannot be known to be seriously degraded until an accident occurs, so that the accident occurs and serious economic loss is caused. For example, when the storage battery in the service life cycle is discharged, the discharge of the storage battery is not realized, and a great hidden danger is caused to the power supply safety, the condition is mainly caused because the running state of the storage battery is not effectively monitored, and once a certain storage battery in the storage battery pack formed by connecting a plurality of storage batteries in series fails, the whole storage battery pack cannot be normally discharged. The storage battery is used as the last guarantee measure for safe uninterrupted power supply and is the unsafe factor in the uninterrupted power supply system. This is seen. The storage battery is monitored on line, and the real-time understanding of the state of the storage battery is very important.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a method, apparatus, system and storage medium for online monitoring of a battery, which are used to solve various problems in the operation and maintenance of an electromagnetic chuck battery pack for driving in the prior art.
To achieve the above and other related objects, the present invention provides an online monitoring method for a storage battery, the method comprising: acquiring first operation parameter data corresponding to at least one storage battery in a one-to-one mode and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery in real time; monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and if the first operation parameter data and the second operation parameter data are abnormal, sending an alarm signal to a human-computer interaction terminal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack; and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
In an embodiment of the present invention, the operation parameters of the first operation parameter data and the operation parameters of the second operation parameter data both include: voltage, current, internal resistance, and temperature.
In an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: and presetting a threshold interval aiming at each operation parameter, and when the numerical value of any one operation parameter exceeds the corresponding preset threshold interval, sending a fault alarm signal to the man-machine interaction terminal.
In an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: and presetting a change frequency threshold value aiming at each operation parameter, and when the numerical value change frequency of any one operation parameter exceeds the change frequency threshold value, sending an abnormal alarm signal to the man-machine interaction terminal.
In an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: presetting an initial value for each operation parameter, and sending a low-level alarm signal when the numerical value of any one operation parameter is a first multiple of the initial value; and sending a high-level alarm signal when the numerical value of any one of the operation parameter data is a second multiple higher than the first multiple.
To achieve the above and other related objects, the present invention provides an online storage battery monitoring apparatus, comprising: the acquisition module is used for acquiring first operation parameter data corresponding to at least one storage battery in a one-to-one mode and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery in real time; the processing module is used for monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and sending an alarm signal to the man-machine interaction terminal if the first operation parameter data and the second operation parameter data are abnormal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack; and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
To achieve the above and other related objects, the present invention provides an online battery monitoring apparatus, comprising: a memory, a processor, and a communicator; the memory is used for storing programs; the processor runs a program to realize the storage battery online monitoring method; the communicator is used for being in communication connection with the human-computer interaction terminal.
To achieve the above and other related objects, the present invention provides an online battery monitoring system, including: the single monitoring modules are respectively and electrically connected with a storage battery and used for monitoring first operation parameter data of each single storage battery in real time; the battery pack monitoring module is electrically connected with a battery pack comprising at least one storage battery and is used for monitoring second operation parameter data of the battery pack in real time; the control module is electrically connected with each single monitoring module and the battery pack monitoring module respectively and is used for storing and controlling each first operation parameter data and the second operation parameter data so as to realize the storage battery online monitoring method according to any one of claims 1 to 6; and the control module is in communication connection with the human-computer interaction terminal so as to transmit the parameter data or send an alarm signal to the human-computer interaction terminal.
In an embodiment of the present invention, each of the cell monitoring modules and the battery pack monitoring module includes: the device comprises a TA module for measuring the working current of the storage battery or the storage battery pack, a TC module for measuring the working voltage of the storage battery or the storage battery pack and a convergence module for measuring the internal resistance and the temperature of the storage battery or the storage battery pack; the TA module, the TC module and the convergence module respectively comprise a discharging unit, and the discharging unit carries out 0.1C10 check discharge on the storage battery so as to monitor the actual capacity of the battery pack, the internal resistance and the load capacity of each single storage battery and the instantaneous battery characteristics.
To achieve the above and other related objects, the present invention provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the above-mentioned method for online monitoring of a storage battery.
As described above, according to the storage battery online monitoring method, the storage battery online monitoring device, the storage battery online monitoring system and the storage medium, the first operation parameter data corresponding to at least one storage battery one to one and the second operation parameter data corresponding to the storage battery pack including at least one storage battery are obtained in real time, whether each of the first operation parameter data and the second operation parameter data is abnormal or not is monitored, if the abnormality occurs, an alarm signal is sent to the human-computer interaction terminal, or a voltage value is monitored to remind that the storage battery or the storage battery pack is charged, and the actual output voltage or current of the storage battery pack is adjusted according to each of the first operation parameter data and the second operation parameter data. Has the following beneficial effects:
the running state of the storage battery can be monitored in real time, an alarm is sent in time, the risk of driving accidents caused by faults of the storage battery is greatly reduced, the battery performance of the storage battery is improved, and the maintenance workload is reduced.
Drawings
Fig. 1 is a schematic view illustrating a scenario of an online battery monitoring system according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart illustrating an online battery monitoring method according to an embodiment of the invention.
Fig. 3 is a block diagram of an online battery monitoring apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an on-line battery monitoring apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of an online battery monitoring system according to an embodiment of the invention.
Description of the element reference numerals
101 single storage battery
102 accumulator battery
103 single body monitoring module
104 battery pack monitoring module
105 control module
106 human-computer interaction terminal
Method steps S201 to S203
300 storage battery online monitoring device
301 acquisition module
302 processing module
400 storage battery online monitoring equipment
401 memory
402 processor
403 communicator
500 online monitoring system for storage battery
501 monomer monitoring module
502 battery pack monitoring module
503 control module
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
The storage battery online monitoring method, the device, the system and the storage medium are mainly used in relevant application scenes of electromagnetic crane vehicles.
As is known, in steel and iron and some mechanical manufacturing enterprises, a magnetic disk crane is commonly used to lift scrap steel, steel billets and steel products, the magnetic disk is used to generate magnetic force in an iron core by a direct current coil to attract the steel, and in the lifting process, if a power failure occurs suddenly, serious accidents of equipment damage or life casualties may occur, which causes huge losses. Therefore, the disk suspension vehicle is generally equipped with a storage battery, so that the storage battery can continue to supply power to avoid accidents in the case of power failure of alternating current or other accident states.
At present, the maintenance of the running storage battery is mainly to monitor the voltage of each single storage battery and the terminal voltage of the storage battery pack regularly. The method comprises the following steps: measuring the voltage of a single battery and the group terminal voltage of the battery pack once every 2 months, and checking whether a seriously lagged storage battery exists or not; testing the internal resistance of the storage battery once every quarter, and checking whether the storage battery with serious and large internal resistance exists; the actual capacity of the battery was tested by checking discharge every 2 years.
Even valve-regulated lead-acid batteries which are commonly called maintenance-free can not be ensured to be in a maintenance period, and the storage batteries can not have any accident. Even when the storage battery is used, the operation state of the storage battery cannot be known, the storage battery is often not known to be seriously degraded until an accident occurs, for example, the storage battery cannot discharge electricity when discharging in a service life cycle. This is seen. The storage batteries are monitored on line, and it is very important to know the state of the storage batteries in real time, and even the running state of each storage battery forming the storage battery pack needs to be known.
It should be noted that the on-line monitoring method of the storage battery applied to the operation environment of the disk suspension crane is different from the general on-line monitoring method of the storage battery, and the storage battery is not used in the invention most of the time, therefore, the storage battery pack and each single storage battery thereof are subjected to 0.1C10 check discharge by the discharge unit to test the actual capacity of the battery pack, and are also charged by other devices when the storage battery pack is in a low-capacity state, which is also different from the general use of the storage battery.
In addition, it should be understood that the monitoring requirement of the storage battery applied to the operation environment of the disk crane is different from the monitoring requirement of a general storage battery, the storage battery in the invention needs to be monitored in real time, and even if the storage battery fails for several seconds, the storage battery can be fatal to the operation of the disk crane. Thus, the method, apparatus, system and storage medium of the present invention are useful only in the field of magnetic disk crane operation environment types.
Fig. 1 shows a schematic view of a battery online monitoring system according to an embodiment of the present invention. In this scenario, it includes: the system comprises a plurality of single storage batteries 101, a storage battery pack 102 consisting of the single storage batteries 101, single monitoring modules 103 corresponding to the single storage batteries 101 one by one, a battery pack monitoring module 104, a control module 105 and a human-computer interaction module 106.
The cell monitoring modules 103 in the scene are connected with the single storage batteries 101 in a one-to-one correspondence manner to monitor the operation parameter data of each single storage battery 101 in real time, and the battery pack monitoring module 104 is connected with the storage battery pack 102 to monitor the operation parameter data of the storage battery pack 102 in real time.
Here, each individual battery 101 is monitored, and the battery pack 102 integrally formed therewith is also monitored. The benefits of this are:
a. the abnormal operation condition of each single storage battery 101 can be found in time. For example, if the voltage of one single storage battery 101 is increased and the voltage of the other single storage battery is just reduced, if the operation condition of the storage battery pack 102 is only monitored, it is difficult to find that the internal single storage battery 101 has an abnormal condition; for another example, if an abnormal condition of the battery pack 102 is detected, but it is not clear which one or more of the single storage batteries 101 is abnormal, it takes more effort to further monitor.
b. The abnormal operation of the battery pack 102 can be found in time. For example, if each single battery 101 is normal, but the battery pack as a whole cannot supply power normally, it is obvious that monitoring only each single battery 101 cannot really guarantee normal use of the battery pack. At this time, by monitoring the operation conditions of each single storage battery 101 and the storage battery pack 102 at the same time, abnormal problems other than the single storage battery 101 itself, such as cumulative loss due to superposition of a plurality of single storage batteries 101, can be found in time. Therefore, the condition that the storage battery pack is abnormal and cannot be monitored is greatly reduced.
It should be noted that, when the storage battery is not used in the operation condition of the disk suspension vehicle, the monitoring requires that the single storage batteries 101 and the storage battery pack 102 discharge, so as to monitor the operation parameter data. And the amount of electricity discharged is less than that during normal use.
Of course, when the electric quantity of the storage battery is monitored to be low, the storage battery can be charged so as to ensure enough electric quantity.
After acquiring the operation parameter data of each single storage battery 101 and the storage battery pack 102, the control module 105 may send the data to the human-computer interaction terminal 106, so as to grasp the conditions of each single storage battery 101 and the storage battery pack 102 in real time.
In addition, the setting can be performed, and once the related operation parameter data is abnormal, an alarm signal is sent immediately, for example, an alarm sound is sent, or the alarm signal is sent to the human-computer interaction terminal 106, so that the processing is performed in time, and the occurrence of danger is avoided.
In an embodiment of the present invention, the control module 105 may be a host, which has a memory to store the operation parameter data or the computer program, a processor to send an alarm signal when the abnormality of the operation parameter data is detected, and a communicator to be communicatively connected to the human-machine interaction terminal 106.
The human-computer interaction terminal 106 may be a desktop computer, a notebook computer, a mobile phone, a tablet computer, a smart watch, and any interactive terminal device.
In an embodiment of the invention, the communication connection between the control module 105 and the human-computer interaction terminal 106 may be one or more wired/wireless communication methods and a combination thereof. The communication method comprises the following steps: any one or more of the internet, CAN, intranet, Wide Area Network (WAN), Local Area Network (LAN), wireless network, Digital Subscriber Line (DSL) network, frame relay network, Asynchronous Transfer Mode (ATM) network, Virtual Private Network (VPN), and/or any other suitable communication network. For example: any one or a plurality of combinations of WIFI, Bluetooth, NFC, GPRS, GSM and Ethernet.
In one embodiment of the present invention, to maintain real-time and stability of transmission, an RS-232 asynchronous transmission standard interface is preferably used as the communication interface.
Fig. 2 is a schematic flow chart showing a method for online monitoring of a battery according to an embodiment of the present invention. As shown, the method comprises:
step S201: the method comprises the steps of acquiring first operation parameter data corresponding to at least one storage battery in a one-to-one mode in real time and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery.
In an embodiment of the invention, the first operating parameter data and the second operating parameter data may be obtained by a related monitoring device, but are not obtained by monitoring.
In an embodiment of the present invention, the operation parameters of the first operation parameter data and the operation parameters of the second operation parameter data both include: voltage, current, internal resistance, and temperature.
The voltage, the current, the internal resistance and the temperature are common parameters for monitoring the battery. For example, by monitoring the voltage operating state of the battery, open circuit, short circuit, and severe damage to the battery can be detected. As another example, battery capacity or service life may be inferred by monitoring the internal resistance of the battery.
Step S202: monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and if the first operation parameter data and the second operation parameter data are abnormal, sending an alarm signal to a human-computer interaction terminal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack.
In an embodiment of the present invention, in addition to normally monitoring each of the first operating parameter data and the second operating parameter data, the first operating parameter data and the second operating parameter data may be comprehensively analyzed to find out an abnormal problem of the non-battery itself.
In addition, besides normal monitoring of parameter data, alarming or reminding can be performed through setting, and the parameter data are sent to the man-machine interaction terminal.
It should be noted that, when the storage battery is not used in the operation condition of the magnetic disk suspension vehicle, the monitoring requires that the single storage battery and the storage battery pack discharge, so as to monitor the operation parameter data. And the amount of electricity discharged is less than that during normal use. Of course, when the electric quantity of the storage battery is monitored to be low, the storage battery can be charged so as to ensure enough electric quantity.
And monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if so, sending a charging reminding signal to a man-machine interaction terminal to remind a storage battery or a storage battery pack to be charged.
For example, according to experience or multiple test tests, the threshold is set to be 40% of the total electric quantity, and when the electric quantity of the storage battery pack is lower than 20% of the full electric quantity, a charging reminding signal is sent to the man-machine interaction terminal to remind related personnel of charging the storage battery pack.
The monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and the condition of sending an alarm signal to the man-machine interaction terminal if the first operation parameter data and the second operation parameter data are abnormal comprises multiple conditions, specifically as follows:
in an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: and presetting a threshold interval aiming at each operation parameter, and when the numerical value of any one operation parameter exceeds the corresponding preset threshold interval, sending a fault alarm signal to the man-machine interaction terminal.
For example, according to experience or multiple test tests, the threshold interval of the temperature parameter is set to be (10-30 ℃), when the temperature of the storage battery pack is monitored to be 5 ℃ or 40 ℃, the storage battery is in a low temperature or high temperature condition, the storage battery has a fault with a high probability, and at the moment, a fault alarm signal is sent to a human-computer interaction terminal to remind relevant personnel of processing.
In an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: and presetting a change frequency threshold value aiming at each operation parameter, and when the numerical value change frequency of any one operation parameter exceeds the change frequency threshold value, sending an abnormal alarm signal to the man-machine interaction terminal.
It should be noted that, during the charging and discharging process, the relevant operating parameters may change more or less, such as the current increases or decreases by a certain amount in a small amplitude instantaneously, which is a normal phenomenon. However, when a certain parameter is floated or changed for many times continuously or in a short time, the storage battery has a certain probability of being abnormal or about to be abnormal. Therefore, the trend of the degradation of the storage battery is monitored in time by presetting a change frequency threshold, so that related personnel are reminded in advance.
For example, according to experience or multiple test tests, the change frequency threshold is preset for 4 times in 10 seconds, when the value of the current parameter is monitored, more than 4 changes and floats continuously occur within 10 seconds, and the change and floats exceed the normal change frequency, an abnormal alarm signal is sent to the man-machine interaction terminal to remind the trend of the degradation of the storage battery, so that the further test can be carried out through other tests.
In an embodiment of the present invention, the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal includes: presetting an initial value for each operation parameter, and sending a low-level alarm signal when the numerical value of any one operation parameter is a first multiple of the initial value; and sending a high-level alarm signal when the numerical value of any one of the operation parameter data is a second multiple higher than the first multiple.
For example, when the internal resistance of the battery pack is measured for the first time, the internal resistance is set as an initial value, and according to experience or multiple test tests, the preset first multiple is 1.3, and the preset second multiple is 1.5. When the monitored internal resistance parameter data reaches more than 1.3 times of the initial value of the internal resistance, a low-level alarm signal is sent to the man-machine interaction terminal, and related personnel can further monitor to confirm whether the electric quantity of the storage battery pack is too low. And when the internal resistance parameter data obtained by monitoring reaches more than 1.5 times of the initial value of the internal resistance, sending a high-grade alarm signal to the man-machine interaction terminal, and enabling related personnel to select to replace the storage battery pack and the like according to the high-grade alarm signal.
Step S203: and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
In an embodiment of the present invention, when the storage battery pack is used for supplying power to the electromagnetic crane vehicle, the operation parameters may be adjusted according to the monitored operation parameter data, so that the output current or voltage is more suitable, the loss of the storage battery pack is reduced, and the battery performance of the storage battery is also improved.
In an embodiment of the invention, the method can also realize checking discharge test, internal resistance monitoring, activation, voltage overrun alarm and the like through control according to the monitored operation parameter data, automatically stores the monitored data for on-site query, and transmits the data to the man-machine interaction terminal in real time for storage, analysis processing, real-time display and fault alarm, and the latter can analyze the data by adopting an advanced mathematical model (an expert diagnosis system), predicts the performance change trend of the storage battery, provides a reliable basis for 'state maintenance', and converts 'periodic maintenance' into 'state maintenance', thereby realizing scientific management of the storage battery and ensuring the reliable and safe operation of the system.
In an embodiment of the present invention, the significance of the real-time monitoring data is not only to monitor whether each operation parameter of each single storage battery and each storage battery pack is normal, but also to adjust the voltage or current output to the electromagnetic crane vehicle in real time during actual use, to link the change of the voltage or current at the moment of power failure with appropriate output, and to maintain a stable output environment after the link, so as to ensure the smooth and continuous operation of the electromagnetic crane vehicle. Accidents caused by switching of instant power supply sources or instability after power supply of the storage battery are reduced to the maximum extent.
Fig. 3 is a schematic block diagram of an online battery monitoring device according to an embodiment of the present invention. As shown, the apparatus 300 includes:
the obtaining module 301 is configured to obtain, in real time, first operation parameter data corresponding to at least one storage battery one to one, and second operation parameter data corresponding to a storage battery pack including at least one storage battery.
The processing module 302 is configured to monitor whether each of the first operating parameter data and the second operating parameter data is abnormal, and send an alarm signal to the human-computer interaction terminal if the first operating parameter data and the second operating parameter data are abnormal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack; and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
It can be understood that the online storage battery monitoring device 300 can implement the online storage battery monitoring method as shown in fig. 2 through the operation of each module.
It should be noted that the division of the modules of the above apparatus is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling software by the processing element, and part of the modules can be realized in the form of hardware. For example, the processing module 302 may be a separate processing element, or may be integrated into a chip of the apparatus, or may be stored in a memory of the apparatus in the form of program code, and a processing element of the apparatus calls and executes the functions of the processing module 302. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. For another example, when one of the above modules is implemented in the form of a Processing element scheduler code, the Processing element may be a general-purpose processor, such as a Central Processing Unit (CPU) or other processor capable of calling program code. For another example, these modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
Fig. 4 is a schematic structural diagram of an on-line battery monitoring apparatus according to an embodiment of the present invention. As shown, the storage battery online monitoring apparatus 400 includes: a memory 401, a processor 402, and a communicator 403; the memory is used for storing programs; the processor runs a program to realize the online monitoring method of the storage battery as shown in FIG. 2; the communicator is used for being in communication connection with the human-computer interaction terminal.
To achieve the above and other related objects, the present invention provides an online battery monitoring system, including: the single monitoring modules are respectively and electrically connected with a storage battery and used for monitoring first operation parameter data of each single storage battery in real time; the battery pack monitoring module is electrically connected with a battery pack comprising at least one storage battery and is used for monitoring second operation parameter data of the battery pack in real time; the control module is electrically connected with each monomer monitoring module and the battery pack monitoring module respectively and is used for storing and controlling each first operation parameter data and the second operation parameter data so as to realize the storage battery online monitoring method; and the control module is in communication connection with the human-computer interaction terminal so as to transmit the parameter data or send an alarm signal to the human-computer interaction terminal.
In an embodiment of the present invention, the human-computer interaction terminal may be a desktop computer, a notebook computer, a mobile phone, a tablet computer, a smart watch, or any interactive terminal device.
The Memory 401 may include a Random Access Memory (RAM), and may further include a non-volatile Memory (non-volatile Memory), such as at least one disk Memory.
The Processor 402 may be a general-purpose Processor, and includes a Central Processing Unit (CPU), a Network Processor (NP), and the like; the device can also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component.
The communicator 403 is used to implement communication connection between the database access device and other devices (such as a client, a read-write library, and a read-only library). The communicator 403 may include one or more sets of modules of different communication manners, for example, a CAN communication module communicatively connected to a CAN bus. The communication connection may be one or more wired/wireless communication means and combinations thereof. The communication method comprises the following steps: any one or more of the internet, CAN, intranet, Wide Area Network (WAN), Local Area Network (LAN), wireless network, Digital Subscriber Line (DSL) network, frame relay network, Asynchronous Transfer Mode (ATM) network, Virtual Private Network (VPN), and/or any other suitable communication network. For example: any one or a plurality of combinations of WIFI, Bluetooth, NFC, GPRS, GSM and Ethernet.
In one embodiment of the present invention, to maintain real-time and stability of transmission, an RS-232 asynchronous transmission standard interface is preferably used as the communication interface.
Fig. 5 is a schematic structural diagram of an online storage battery monitoring system according to an embodiment of the invention. As shown, the online battery monitoring system 500 includes:
at least one single monitoring module 501, each single monitoring module is electrically connected to a storage battery respectively, and is configured to monitor first operation parameter data of each single storage battery in real time.
A battery pack monitoring module 502, electrically connected to a battery pack comprising at least one battery pack, for monitoring second operational parameter data of the battery pack in real time.
The control module 503 is electrically connected to each of the single monitoring modules and the battery pack monitoring module, and is configured to store and control each of the first operating parameter data and the second operating parameter data, so as to implement the online monitoring method for the storage battery; the control module 503 is in communication connection with the human-computer interaction terminal to transmit the parameter data or send an alarm signal to the human-computer interaction terminal.
It should be noted that, when the storage battery is not used in the operation condition of the magnetic disk suspension vehicle, the monitoring requires that the single storage battery and the storage battery pack discharge, so as to monitor the operation parameter data. And the amount of electricity discharged is less than that during normal use. Of course, when the electric quantity of the storage battery is monitored to be low, the storage battery can be charged so as to ensure enough electric quantity.
In an embodiment of the present invention, the cell monitoring module 501 is electrically connected to the battery to realize monitoring. Specifically, the connection can be realized by connecting the positive electrode and the negative electrode of a single storage battery. Accordingly, the battery pack monitoring module 502 may be connected to monitor the positive and negative poles of the battery pack in advance.
In an embodiment of the present invention, each of the cell monitoring modules 501 and the battery pack monitoring module 502 includes: the device comprises a TA module used for measuring the working current of the storage battery or the storage battery pack, a TC module used for measuring the working voltage of the storage battery or the storage battery pack, and a convergence module used for measuring the internal resistance and the temperature of the storage battery or the storage battery pack.
In an embodiment of the invention, the TA module, the TC module, and the convergence module further include a discharging unit, respectively, and the discharging unit performs 0.1C10 consistency discharge on the storage battery to monitor an actual capacity of the battery pack, an internal resistance and a load capacity of each single storage battery, and an instantaneous battery characteristic.
Specifically, the discharge unit adopts an industry standard, and performs 0.1C10 consistency discharge on the storage battery to test the actual capacity of the battery pack, so that the internal resistance and the load capacity of each battery are measured by dynamically discharging the voltage of the battery, and the instantaneous battery characteristic is judged.
Wherein C10 in 0.1C10 represents a current value at 10 hr rate, i.e., a rated capacity that can be reached by current discharge at 10 hr rate to the final voltage.
In addition, the online storage battery monitoring system 500 also has a self-checking function, when the system fails, the normal operation of the direct current system is not affected except for giving a fault signal alarm prompt, and the reliability of the system is ensured.
Meanwhile, the storage battery online monitoring system 500 is simple and convenient to install, debug and maintain, isolation technologies are adopted in the front and the back of each module, and the safety and reliability degrees are high.
In an embodiment of the present invention, the single monitoring module 501 and the combination mode are flexible, and can meet the requirement of monitoring any number of storage batteries.
To achieve the above and other related objects, the present invention provides a computer-readable storage medium having stored thereon a computer program, which when executed by a processor, implements a battery online monitoring method as described in fig. 2.
The computer-readable storage medium, as will be appreciated by one of ordinary skill in the art: all or part of the steps for implementing the above method embodiments may be performed by hardware associated with a computer program. The aforementioned computer program may be stored in a computer readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
In summary, according to the storage battery online monitoring method, the storage battery online monitoring device, the storage battery online monitoring system and the storage medium, whether each of first operation parameter data and second operation parameter data is abnormal is monitored by acquiring the first operation parameter data corresponding to at least one storage battery one to one and the second operation parameter data corresponding to a storage battery pack including at least one storage battery in real time, and if the first operation parameter data and the second operation parameter data are abnormal, an alarm signal is sent to a human-computer interaction terminal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack.
The invention can monitor the running state of the storage battery in real time and send an alarm in time, thereby greatly reducing the risk of driving accidents caused by faults of the storage battery, simultaneously improving the battery performance of the storage battery and reducing the maintenance workload.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An online monitoring method for a storage battery, the method comprising:
acquiring first operation parameter data corresponding to at least one storage battery in a one-to-one mode and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery in real time;
monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and if the first operation parameter data and the second operation parameter data are abnormal, sending an alarm signal to a human-computer interaction terminal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack;
and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
2. The online battery monitoring method of claim 1, wherein the operating parameters of the first operating parameter data and the operating parameters of the second operating parameter data each comprise: voltage, current, internal resistance, and temperature.
3. The method for on-line monitoring of a storage battery according to claim 2, wherein the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal comprises:
and presetting a threshold interval aiming at each operation parameter, and when the numerical value of any one operation parameter exceeds the corresponding preset threshold interval, sending a fault alarm signal to the man-machine interaction terminal.
4. The method for on-line monitoring of a storage battery according to claim 2, wherein the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal comprises:
and presetting a change frequency threshold value aiming at each operation parameter, and when the numerical value change frequency of any one operation parameter exceeds the change frequency threshold value, sending an abnormal alarm signal to the man-machine interaction terminal.
5. The method for on-line monitoring of a storage battery according to claim 2, wherein the method for monitoring whether each of the first operating parameter data and the second operating parameter data is abnormal comprises:
presetting an initial value for each operation parameter, and sending a low-level alarm signal when the numerical value of any one operation parameter is a first multiple of the initial value; and sending a high-level alarm signal when the numerical value of any one of the operation parameter data is a second multiple higher than the first multiple.
6. An online storage battery monitoring device, comprising:
the acquisition module is used for acquiring first operation parameter data corresponding to at least one storage battery in a one-to-one mode and second operation parameter data corresponding to a storage battery pack comprising at least one storage battery in real time;
the processing module is used for monitoring whether the first operation parameter data and the second operation parameter data are abnormal or not, and sending an alarm signal to the man-machine interaction terminal if the first operation parameter data and the second operation parameter data are abnormal; and/or monitoring whether the voltage value in each first operation parameter data or the voltage value in the second operation parameter data is lower than a certain threshold value, and if the voltage value in each first operation parameter data or the voltage value in each second operation parameter data is lower than the certain threshold value, sending a charging reminding signal to a man-machine interaction terminal to remind a user of charging the storage battery or the storage battery pack; and adjusting the actual output voltage or current of the battery pack according to the first operating parameter data and the second operating parameter data.
7. An on-line battery monitoring apparatus, the apparatus comprising: a memory, a processor, and a communicator;
the memory is used for storing programs; the processor runs a program to realize the storage battery online monitoring method of any one of claims 1 to 5; the communicator is used for being in communication connection with the human-computer interaction terminal.
8. An on-line battery monitoring system, the system comprising:
the single monitoring modules are respectively and electrically connected with a storage battery and used for monitoring first operation parameter data of each single storage battery in real time;
the battery pack monitoring module is electrically connected with a battery pack comprising at least one storage battery and is used for monitoring second operation parameter data of the battery pack in real time;
the control module is electrically connected with each single monitoring module and the battery pack monitoring module respectively and used for storing and controlling each first operation parameter data and the second operation parameter data so as to realize the storage battery online monitoring method according to any one of claims 1 to 5; and the control module is in communication connection with the human-computer interaction terminal so as to transmit the parameter data or send an alarm signal to the human-computer interaction terminal.
9. The battery on-line monitoring system of claim 8, wherein each of the cell monitoring modules and the battery pack monitoring module comprises: the device comprises a TA module for measuring the working current of the storage battery or the storage battery pack, a TC module for measuring the working voltage of the storage battery or the storage battery pack and a convergence module for measuring the internal resistance and the temperature of the storage battery or the storage battery pack; the TA module, the TC module and the convergence module respectively comprise a discharging unit, and the discharging unit carries out 0.1C10 check discharge on the storage battery so as to monitor the actual capacity of the battery pack, the internal resistance and the load capacity of each single storage battery and the instantaneous battery characteristics.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, implements the method for online monitoring of a storage battery according to any one of claims 1 to 5.
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