CN111707946B - Lithium battery detection method and system matched with fuel power generation - Google Patents
Lithium battery detection method and system matched with fuel power generation Download PDFInfo
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- CN111707946B CN111707946B CN202010795168.1A CN202010795168A CN111707946B CN 111707946 B CN111707946 B CN 111707946B CN 202010795168 A CN202010795168 A CN 202010795168A CN 111707946 B CN111707946 B CN 111707946B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/378—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] specially adapted for the type of battery or accumulator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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Abstract
The invention provides a lithium battery detection method and a lithium battery detection system matched with fuel power generation, wherein the method comprises the steps of receiving a query instruction of a user and sending the query instruction to battery management equipment; receiving query data returned by the battery management equipment, wherein the query data is obtained by querying the battery management equipment according to a query instruction; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature; and analyzing the query data to obtain the safety state of the lithium battery. The method can monitor various data of the lithium battery, including SOC, total voltage, lowest cell voltage, highest cell temperature and lowest cell temperature, analyze the safety state of the lithium battery according to the monitored data, and can comprehensively monitor the service condition of the lithium battery.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a lithium battery detection method and system matched with fuel power generation.
Background
Fuel Cell (PEMFC) technology is the most efficient means of utilizing hydrogen energy. The fuel cell is a device for directly converting chemical energy of hydrogen into electric energy, has the advantages of high efficiency, low noise and zero pollution, and plays an increasingly important role in the current society. A fuel cell generally requires a plurality of unit cells to be assembled into a stack in series.
A large amount of energy can be generated in the testing process of the fuel cell, and the energy generated in the actual test can be stored by adopting the lithium battery, so that better social and economic benefits are brought. Meanwhile, the service condition of the lithium battery needs to be detected in the use process of the lithium battery. However, the conventional lithium battery monitoring only monitors the SOC, and the monitoring data is single and incomplete.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lithium battery detection method and a lithium battery detection system matched with fuel power generation, which can comprehensively monitor the service condition of a lithium battery.
In a first aspect, a method for detecting a lithium battery used in cooperation with fuel power generation includes:
receiving a query instruction of a user, and sending the query instruction to battery management equipment;
receiving query data returned by the battery management equipment, wherein the query data is obtained by querying the battery management equipment according to a query instruction; the query data comprises one or a combination of several of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature;
and analyzing the query data to obtain the safety state of the lithium battery.
Preferably, the cell voltage is a voltage of a single cell in a lithium battery;
the total voltage is obtained by adding all the single battery cells in the lithium battery.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the highest cell voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest cell voltage is greater than a preset maximum cell voltage threshold value.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the highest monomer temperature in the query data, and judging that the safety state of the lithium battery is over-high temperature when the obtained highest monomer temperature is greater than a preset maximum monomer temperature threshold.
In a second aspect, a fuel power generation supporting lithium battery detection system includes:
an acquisition module: the system comprises a battery management device, a server and a user terminal, wherein the battery management device is used for receiving a query instruction of a user and sending the query instruction to the battery management device;
an analysis module: the query data is obtained by the battery management equipment according to query instructions; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature; the analysis module is also used for analyzing the query data to obtain the safety state of the lithium battery.
Preferably, the cell voltage is the voltage of a single cell in the lithium battery;
the total voltage is obtained by adding all the single battery cells in the lithium battery.
Preferably, the analysis module is specifically configured to:
and analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold.
Preferably, the analysis module is specifically configured to:
and analyzing the highest single voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest single voltage is greater than a preset maximum single voltage threshold.
Preferably, the analysis module is specifically configured to:
and analyzing the highest single temperature in the query data, and when the obtained highest single temperature is greater than a preset maximum single temperature threshold value, judging that the safety state of the lithium battery is over-high temperature.
According to the technical scheme, the lithium battery detection method and the lithium battery detection system for fuel power generation can monitor various data of the lithium battery, including SOC, total voltage, lowest cell voltage, highest cell temperature and lowest cell temperature, analyze the safety state of the lithium battery according to the monitored data, and can comprehensively monitor the service condition of the lithium battery.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a flowchart of a lithium battery detection method for fuel power generation matching according to an embodiment of the present invention.
Fig. 2 is a block diagram of a lithium battery detection system for fuel power generation according to a second embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby. It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The first embodiment is as follows:
a method of testing a lithium battery used in conjunction with fuel power generation, see fig. 1, comprising:
s1: receiving a query instruction of a user, and sending the query instruction to battery management equipment;
specifically, the query instruction may be initiated by the user according to a communication protocol set in the battery management device. For example, a user sends a query instruction by operating a touch screen on the battery management device or a mobile phone terminal, or the user sends the query instruction according to a communication protocol supported by the battery management device.
S2: receiving query data returned by the battery management equipment, wherein the query data is obtained by querying the battery management equipment according to a query instruction; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature; preferably, the cell voltage is a voltage of a single cell in a lithium battery; the total voltage is obtained by adding all the single battery cells in the lithium battery.
Specifically, the battery management device returns data after querying corresponding data according to the query instruction. The method can comprehensively monitor the operation data of the lithium battery, including SOC, total voltage, lowest cell voltage, highest cell temperature and lowest cell temperature.
S3: and analyzing the query data to obtain the safety state of the lithium battery.
Specifically, the method analyzes the safety state of the lithium battery according to the received query data, realizes the function of comprehensively monitoring the lithium battery, and can detect the damaged battery in time, such as the lithium battery with too low total voltage or too low single voltage. Compared with the existing lithium battery detection system, the method can comprehensively monitor the service state of the lithium battery, reduce the probability of damage of the lithium battery and greatly prolong the service life of the lithium battery.
The method can monitor various data of the lithium battery, including SOC, total voltage, lowest cell voltage, highest cell temperature and lowest cell temperature, and analyze the safety state of the lithium battery according to the monitored data, so that the service condition of the lithium battery can be comprehensively monitored.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold.
In particular, the maximum total voltage threshold may be determined on a case-by-case basis. The method can monitor whether the total voltage of the lithium battery is over-voltage.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the highest single voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest single voltage is greater than a preset maximum single voltage threshold.
Specifically, the maximum cell voltage threshold may be determined according to specific situations. The method can monitor whether the voltage of the single lithium battery is over-voltage.
Preferably, the analyzing the query data to obtain the safety state of the lithium battery specifically includes:
and analyzing the highest monomer temperature in the query data, and judging that the safety state of the lithium battery is over-high temperature when the obtained highest monomer temperature is greater than a preset maximum monomer temperature threshold.
In particular, the maximum monomer temperature threshold may be determined on a case-by-case basis. The method can monitor whether the temperature of the lithium battery is too high. When the safe state of lithium cell is excessive pressure or high temperature, can send alarm information, remind the staff.
In order to facilitate the remote management of the user, the query instruction is sent by the handheld device held by the user, and the user sends the query instruction by operating the touch screen on the handheld device. In order to facilitate user operation, the touch screen is provided with a query interface.
And lithium battery ID is arranged on the query interface, and a user selects a specific lithium battery to add into the monitoring task according to the self requirement. And an ID list is arranged on the query interface, lithium battery IDs of all lithium batteries are listed, when any lithium battery ID in the long-spot ID list is selected by a user, a display frame is popped up, whether multi-selection is carried out or not is displayed, and a button 'yes' and a button 'no' are displayed. When the user selects the button 'yes', the user can select a plurality of lithium battery IDs in the ID list at the same time, and after the selection is completed, a monitoring task is constructed according to the selected plurality of lithium battery IDs.
A plurality of icons are arranged on the monitoring task home page, and each icon displays the safety state of the lithium battery. For example, the icons may be provided as small dots, and the icons may be displayed in different colors when the lithium battery is in different safety states. For example, when the lithium battery is in an overvoltage or over-temperature state, the icon displays red. When the lithium battery is used normally, the icon is displayed in green. Therefore, a user can monitor the safety states of all lithium batteries most intuitively through colors on a monitoring task homepage.
Each icon on the monitor task home page is linked to a detail page. When a user clicks any icon on a monitoring task home page, the monitoring task skips to display a detail page corresponding to the icon, the detail page records the running data of the corresponding lithium battery in detail, including SOC, total voltage, lowest cell voltage, highest cell temperature, lowest cell temperature and the like, and the user can know which data in the lithium battery are normal and which data are abnormal through the detail page.
The detail page of the monitoring task is also provided with a storage button, and when a user clicks the storage button in the detail page, the operation data in the current detail page is stored, so that when the operation data of a certain lithium battery at a certain moment is abnormal, the user can save the current operation data by clicking the storage button, and the user can conveniently analyze the current data in the later period. An alarm button and a return button may be provided for each detail page. When the user clicks the return button in the details page, the home page is returned. And when the user clicks an alarm button in the detail page, generating an alarm command according to the operation data of the detail page, and sending the alarm command to a designated user or an administrator.
Example two:
a fuel generation-supporting lithium battery detection system, see fig. 2, comprising:
an acquisition module: the system comprises a battery management device, a server and a user terminal, wherein the battery management device is used for receiving a query instruction of a user and sending the query instruction to the battery management device;
an analysis module: the query data is obtained by the battery management equipment according to query instructions; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature; the analysis module is also used for analyzing the query data to obtain the safety state of the lithium battery.
Preferably, the cell voltage is the voltage of a single cell in the lithium battery;
the total voltage is obtained by adding all the single battery cells in the lithium battery.
Preferably, the analysis module is specifically configured to:
and analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold.
Preferably, the analysis module is specifically configured to:
and analyzing the highest single voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest single voltage is greater than a preset maximum single voltage threshold.
Preferably, the analysis module is specifically configured to:
and analyzing the highest monomer temperature in the query data, and judging that the safety state of the lithium battery is over-high temperature when the obtained highest monomer temperature is greater than a preset maximum monomer temperature threshold.
The system can monitor various data of the lithium battery, including SOC, total voltage, lowest cell voltage, highest cell temperature and lowest cell temperature, and can comprehensively monitor the service condition of the lithium battery according to the safety state of the monitored data analysis lithium battery.
In the several embodiments provided in the present application, it should be understood that the disclosed system may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one type of logical functional division, and other divisions may be realized in practice, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may also be an electric, mechanical or other form of connection.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment of the present invention.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention essentially or partly contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
For the sake of brief description, the system provided by the embodiment of the present invention may refer to the corresponding content in the foregoing method embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (4)
1. A lithium battery detection method matched with fuel power generation is characterized by comprising the following steps:
receiving a query instruction of a user, and sending the query instruction to battery management equipment;
receiving query data returned by the battery management equipment, wherein the query data is obtained by querying the battery management equipment according to a query instruction; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature;
analyzing the query data to obtain the safety state of the lithium battery;
the query instruction is sent by handheld equipment held by a user, and a touch screen of the handheld equipment is provided with a query interface; an ID list is arranged on the inquiry interface, lithium battery IDs of all lithium batteries are listed, when any lithium battery ID in the user long-spot ID list is detected, a display frame is popped up to display whether multi-selection is carried out or not, and a button 'yes' and a button 'no' are displayed; when the user selects the button 'yes', a plurality of lithium battery IDs are simultaneously selected in the ID list, and after the selection is completed, a monitoring task is constructed according to the selected lithium battery IDs;
a plurality of icons are arranged on a monitoring task home page, and each icon displays the safety state of the lithium battery; when the lithium battery is in different safety states, the icons display different colors; each icon on the monitor task home page is linked to a detail page; when a user clicks any icon on a home page of a monitoring task, the monitoring task skips to display a detail page corresponding to the icon, and the detail page records the operation data of the corresponding lithium battery in detail; the detail page of the monitoring task is also provided with a storage button, and when a user clicks the storage button in the detail page, the operation data in the current detail page is stored, so that when the operation data of a certain lithium battery is abnormal at a certain moment, the user clicks the storage button to store the current operation data; setting an alarm button and a return button on each detail page; when a user clicks a return button in the detail page, returning to the home page; when a user clicks an alarm button in a detail page, generating an alarm command according to the operation data of the detail page, and sending the alarm command to a designated user or an administrator;
the analyzing the query data to obtain the safety state of the lithium battery specifically comprises:
analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold;
analyzing the highest single voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest single voltage is larger than a preset maximum single voltage threshold;
and analyzing the highest monomer temperature in the query data, and judging that the safety state of the lithium battery is over-high temperature when the obtained highest monomer temperature is greater than a preset maximum monomer temperature threshold.
2. The method for detecting a lithium battery used in cooperation with fuel power generation according to claim 1,
the single voltage is the voltage of a single battery cell in the lithium battery;
the total voltage is obtained by adding all the single battery cells in the lithium battery.
3. A fuel power generation matching lithium battery detection system is characterized by comprising:
an acquisition module: the system comprises a battery management device, a user interface and a data processing device, wherein the battery management device is used for receiving a query instruction of the user and sending the query instruction to the battery management device;
an analysis module: the query data is obtained by the battery management equipment according to query instructions; the query data comprises one or more of the following data: SOC, total voltage, lowest cell voltage, highest cell temperature, and lowest cell temperature; the analysis module is also used for analyzing the query data to obtain the safety state of the lithium battery;
the query instruction is sent by handheld equipment held by a user, and a touch screen of the handheld equipment is provided with a query interface; an ID list is arranged on the inquiry interface, lithium battery IDs of all lithium batteries are listed, when any lithium battery ID in the user long-spot ID list is detected, a display frame is popped up to display whether multi-selection is carried out or not, and a button 'yes' and a button 'no' are displayed; when the user selects the button 'yes', a plurality of lithium battery IDs are simultaneously selected in the ID list, and after the selection is completed, a monitoring task is constructed according to the selected lithium battery IDs;
a plurality of icons are arranged on a monitoring task home page, and each icon displays the safety state of the lithium battery; when the lithium battery is in different safety states, the icons display different colors; each icon on the monitor task home page is linked to a detail page; when a user clicks any icon on a home page of a monitoring task, the monitoring task skips to display a detail page corresponding to the icon, and the detail page records the operation data of the corresponding lithium battery in detail; the detail page of the monitoring task is also provided with a storage button, and when a user clicks the storage button in the detail page, the operation data in the current detail page is stored, so that when the operation data of a certain lithium battery is abnormal at a certain moment, the user clicks the storage button to store the current operation data; setting an alarm button and a return button on each detail page; when a user clicks a return button in the detail page, returning to the home page; when a user clicks an alarm button in a detail page, an alarm command is generated according to the operation data of the detail page and is sent to a designated user or an administrator;
the analysis module is specifically configured to:
analyzing the total voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained total voltage is greater than a preset maximum total voltage threshold;
analyzing the highest single voltage in the query data, and judging that the safety state of the lithium battery is overvoltage when the obtained highest single voltage is larger than a preset maximum single voltage threshold;
and analyzing the highest monomer temperature in the query data, and judging that the safety state of the lithium battery is over-high temperature when the obtained highest monomer temperature is greater than a preset maximum monomer temperature threshold.
4. The fuel cell power generation-supporting lithium battery detection system according to claim 3,
the single voltage is the voltage of a single battery cell in the lithium battery;
the total voltage is obtained by adding all the single battery cells in the lithium battery.
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| US20110273181A1 (en) * | 2010-05-07 | 2011-11-10 | Mansik Park | Battery testing system |
| CN103294476A (en) * | 2013-06-08 | 2013-09-11 | 深圳市柏盛科技有限公司 | Integration power supply monitoring software |
| CN103634700A (en) * | 2013-12-23 | 2014-03-12 | 乐视致新电子科技（天津）有限公司 | Method and device of pushing multimedia files to smart television by mobile communication terminal |
| CN105955146A (en) * | 2016-06-27 | 2016-09-21 | 中国科学技术大学 | Remote monitoring system for power battery pack of electric vehicle |
| CN205871769U (en) * | 2016-07-01 | 2017-01-11 | 深圳市沃特玛电池有限公司 | New energy automobile fills electric pile remote monitering system |
| CN108259409B (en) * | 2016-12-28 | 2020-08-11 | 腾讯科技（深圳）有限公司 | Information processing method, terminal and system |
| CN107885767A (en) * | 2017-09-26 | 2018-04-06 | 五八有限公司 | A kind of page operation method and device |
| MX2020006124A (en) * | 2017-12-15 | 2020-08-24 | Nissan Motor | Display method and display system in hybrid vehicle. |
| CN108337657A (en) * | 2018-03-27 | 2018-07-27 | 新日(无锡)发展有限公司 | Batteries of electric automobile condition monitoring system based on mobile phone |
| CN208428911U (en) * | 2018-07-06 | 2019-01-25 | 深圳市永奥图电子有限公司 | A kind of tire-burst safety device and vehicle |
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