CN113394476A - BMS data monitoring management system based on lithium battery - Google Patents
BMS data monitoring management system based on lithium battery Download PDFInfo
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- CN113394476A CN113394476A CN202110615775.XA CN202110615775A CN113394476A CN 113394476 A CN113394476 A CN 113394476A CN 202110615775 A CN202110615775 A CN 202110615775A CN 113394476 A CN113394476 A CN 113394476A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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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
- Y02E60/10—Energy storage using batteries
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- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a BMS data monitoring and management system based on a lithium battery, and relates to the technical field of data monitoring and management systems. The device comprises a battery module, a processing module, a wind direction adjusting module, a cooling module, a temperature monitoring module and a wind direction and wind speed monitoring module; the temperature monitoring module is used for monitoring the temperature of the battery module and transmitting the monitored temperature information to the processing module; the temperature reduction module and the temperature rise module are used for receiving the temperature information processed by the processing module and reducing the temperature of the battery module or raising the temperature of the battery module according to the temperature information; the wind direction and wind speed monitoring module is used for monitoring the wind direction and wind speed of the environment and transmitting the monitored wind direction and wind speed information to the processing module. Extra power consumption is avoided to cool the battery module, the stability of battery operation is effectively improved, and energy is saved; the temperature of the battery is prevented from being too low, so that the capacity is reduced, and the service life of the whole battery module is greatly prolonged.
Description
Technical Field
The invention belongs to the technical field of data monitoring and management systems, and particularly relates to a BMS data monitoring and management system based on a lithium battery.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream.
Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.
At present, under some outdoor power storage scenes, such as street lamps and the like, lithium batteries are adopted, and often few people exist under these scenes, the running state of the batteries needs to be detected and managed so as to ensure the normal running of electric equipment and protect the lithium batteries.
Disclosure of Invention
The invention aims to provide a BMS data monitoring and management system based on a lithium battery, which solves the problems in the technical background.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a BMS data monitoring and management system based on a lithium battery, which comprises a battery module, a processing module, a wind direction adjusting module, a cooling module, a temperature monitoring module and a wind direction and wind speed monitoring module, wherein the battery module is used for storing battery data;
the temperature monitoring module is used for monitoring the temperature of the battery module and transmitting the monitored temperature information to the processing module;
the temperature reduction module and the temperature rise module are used for receiving the temperature information processed by the processing module and reducing the temperature of the battery module or raising the temperature of the battery module according to the temperature information;
the wind direction and wind speed monitoring module is used for monitoring the wind direction and wind speed of the environment and transmitting the monitored wind direction and wind speed information to the processing module;
and the wind direction adjusting module is used for receiving the wind direction and wind speed information processed by the processing module and adjusting the windward direction according to the wind direction and wind speed information.
Furthermore, the wind direction adjusting module comprises a protective cover arranged outside the battery module, a plurality of heat dissipation holes are respectively formed in two opposite surfaces of the protective cover, and a stepping motor is arranged at the bottom of the protective cover; when the temperature information monitored by the temperature monitoring module is judged by the processing module to be higher than the optimal operating temperature of the battery module, the processing module controls the stepping motor to rotate according to the wind direction information monitored by the wind direction and wind speed monitoring module, so that the heat dissipation holes face the wind.
Furthermore, the cooling module comprises a heat radiation fan arranged in the protective cover and a switch assembly which is arranged in the protective cover and seals the heat radiation hole; the switch assembly comprises guide posts arranged on two sides of the heat dissipation holes, sealing plugs, connecting plates, first electromagnets and second electromagnets, wherein two ends of each sealing plug are sleeved on the guide posts and are positioned between the heat dissipation holes; when the processing module judges that the wind speed cannot be independently reduced according to the wind speed monitored by the wind direction and wind speed monitoring module and the temperature monitored by the temperature monitoring module, the processing module controls the cooling fan to start to dissipate heat.
The temperature rising module comprises a heat conduction cover arranged on the battery module, a heat collection cover arranged at the top of the protection cover, a heat conduction rod connected between the bottom of the heat collection cover and the heat conduction cover, and two cover plates connected between two driving pieces at the top of the protection cover and used for shielding the top of the heat collection cover, wherein the heat collection cover is conical; when the processing module judges that the temperature is lower than the optimal operating temperature of the pool module according to the data monitored by the temperature monitoring module, the processing module controls the driving piece to drive the cover plate to be opened.
The battery module is used for storing the temperature of the battery module, and the voltage and current monitoring module is used for monitoring the real-time voltage and current of the battery module and displaying the real-time voltage and current on the display module.
The battery pack further comprises a thermal shutdown module, and the thermal shutdown module is used for triggering the thermal shutdown module to shut down the battery module when the temperature of the battery module exceeds a limit temperature set inside the processing module.
The invention has the following beneficial effects:
1. according to the invention, the wind direction and wind speed detection module and the wind direction adjusting module are arranged, so that when the operating temperature of the battery module is too high, the battery module can be cooled through the ambient wind by detecting the wind direction of the environment and the radiating holes, and thus when the temperature of the battery is not very high, the battery module is cooled through the ambient wind, extra power consumption is avoided for cooling the battery module, the stability of the battery operation is effectively improved, and meanwhile, the energy is saved.
2. According to the invention, through the heating module, when the ambient temperature is lower, the cover plate is controlled to be opened, so that the heat collection cover collects solar illumination, the temperature of the heat collection cover is raised, heat is conducted to the heat conduction cover through the heat conduction rod, the temperature of the battery module is raised, the optimal operation temperature is reached, the phenomenon that the capacity is reduced due to too low temperature of the battery is avoided, and the service life of the whole battery module is greatly prolonged.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a BMS data monitoring and managing system based on a lithium battery;
fig. 2 is a schematic diagram of a hardware structure of a BMS data monitoring and managing system based on a lithium battery according to the present invention;
FIG. 3 is a schematic view of the inner structure of the protective cover of FIG. 2 according to the present invention;
FIG. 4 is a schematic structural diagram of the switch assembly of FIG. 2 according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a protective cover; 2. a stepping motor; 3. a cover plate; 4. a drive member; 5. a heat collection cover; 6. heat dissipation holes; 7. a battery module; 8. a heat conducting rod; 9. a heat conducting cover; 10. a switch assembly; 11. a sealing plug; 12. a connecting plate; 13. a guide post; 14. a first electromagnet; 15. a second electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention is a BMS data monitoring and managing system based on a lithium battery, including a battery module 7, a processing module, a wind direction adjusting module, a cooling module, a temperature monitoring module, and a wind direction and wind speed monitoring module.
The temperature monitoring module is used for monitoring the temperature of the battery module 7 and transmitting the monitored temperature information to the processing module, the temperature detection module is attached to the battery module 7, the temperature module converts the monitored temperature into an electric signal and then inputs the electric signal into the processing module, and the processing module compares the output temperature signal with the preset optimal operating temperature of the battery module 7.
The temperature reduction module and the temperature rise module are used for receiving temperature information processed by the processing module, reducing the temperature of the battery module 7 or raising the temperature of the battery module 7 according to the temperature information, and after the temperature comparison by the processing module, if the temperature is higher than the optimal operating temperature of the battery module 7, the processing module controls the temperature reduction module to reduce the temperature of the battery module 7.
Wind direction wind speed monitoring module is used for monitoring the wind direction and the wind speed of environment to wind direction wind speed information transmission to the processing module who will monitor, wind direction wind speed monitoring module monitors the real-time wind direction and the wind speed of environment, turns into wind direction and wind speed information and transmits to the processing module inside, and when the temperature was higher than battery module 7's best operating temperature, processing module basis when wind direction and the wind speed information judgement of monitoring only utilize ambient wind can cool down battery module, make battery module 7 windward cooling through wind direction adjusting module.
And the wind direction adjusting module is used for receiving the wind direction and wind speed information processed by the processing module and adjusting the windward direction according to the wind direction and wind speed information.
As shown in fig. 2, the wind direction adjusting module includes a protection cover 1 disposed outside the battery module 7, a plurality of heat dissipation holes 6 respectively disposed on two opposite surfaces of the protection cover 1, and a stepping motor 2 disposed at the bottom of the protection cover 1; when the temperature information monitored by the temperature monitoring module is judged by the processing module to be higher than the optimal operating temperature of the battery module 7, the processing module controls the stepping motor 2 to rotate according to the wind direction information monitored by the wind direction and wind speed monitoring module, so that the heat dissipation holes 6 face the wind, the processing module controls the stepping motor 2 to drive the protective cover 1 to rotate by a certain angle according to the monitored wind direction, so that the heat dissipation holes 6 on one side face the wind, the air in the protective cover 1 flows, and the battery module 7 is cooled.
As shown in fig. 3-4, the cooling module includes a heat dissipation fan disposed inside the protection cover 1, and a switch assembly 10 disposed inside the protection cover 1 and sealing the heat dissipation hole 6; the switch assembly 10 comprises guide posts 13 arranged on two sides of the heat dissipation hole 6, a sealing plug 11 with two ends sleeved on the guide posts 13 and positioned between the heat dissipation holes 6, a connecting plate 12 on the guide posts 13, and a first electromagnet 14 and a second electromagnet 15 which are respectively arranged on the connecting plate 12 and the sealing plug 11 and are opposite in position; when the processing module judges that the wind speed cannot independently cool the battery module 7 according to the wind speed monitored by the wind direction and wind speed monitoring module and the temperature monitored by the temperature monitoring module, the processing module controls the heat dissipation fan to start heat dissipation, when the battery module 7 is cooled only through ambient wind, the processing module controls the opening number of the switch assembly 10 according to the specific condition of the temperature of the battery module, so that the opening number of the heat dissipation holes 6 is controlled, the heat dissipation effect of the battery module 7 is optimal, and when the processing module judges that the temperature of the battery module 7 cannot independently cool through the ambient wind, the processing module controls the heat dissipation fan to be opened for heat dissipation; the processing module controls the current input to the first electromagnet 14 and the second electromagnet 15, so that the first electromagnet 14 and the second electromagnet 15 attract or repel each other, and the sealing plug 11 is opened and closed.
As shown in fig. 2-3, the temperature raising module includes a heat conducting cover 9 disposed on the battery module 7, a heat collecting cover 5 disposed on the top of the protecting cover 1, the heat collecting cover 5 being in a cone shape, a heat conducting rod 8 connected between the bottom of the heat collecting cover 5 and the heat conducting cover 9, and two cover plates 3 connected between the two driving members 4 on the top of the protecting cover 1 and used for shielding the top of the heat collecting cover 5; when processing module judges that the temperature is less than the optimum operating temperature of battery module 7 according to the data that temperature monitoring module monitored, processing module control driving piece 4 drives the cover plate and opens, when the temperature is less than battery module's optimum operating temperature, processing module control driving piece opens two cover plates 3, make sunshine shine on thermal-arrest cover 5, make thermal-arrest cover 5's temperature height, and connect through heat conduction rod 8, make the temperature lead to on the heat conduction cover 9, heat up battery module 7, close louvre 6 through sealing plug 11 is sealed.
The battery pack temperature monitoring system further comprises a voltage and current monitoring module and a display module connected with the processing module, wherein the display module is used for displaying the temperature of the battery module 7, and the voltage and current monitoring module is used for monitoring the real-time voltage and current of the battery module 7 and displaying the real-time voltage and current on the display module.
The battery pack temperature control device further comprises a thermal shutdown module, wherein the thermal shutdown module is used for triggering the thermal shutdown module to shut down the battery module when the temperature of the battery module 7 exceeds the limit temperature set in the processing module, so that danger caused by overhigh temperature of the battery module 7 can be avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a BMS data monitoring management system based on lithium cell which characterized in that: the device comprises a battery module (7), a processing module, a wind direction adjusting module, a cooling module, a temperature monitoring module and a wind direction and wind speed monitoring module;
the temperature monitoring module is used for monitoring the temperature of the battery module (7) and transmitting the monitored temperature information to the processing module;
the temperature reduction module and the temperature rise module are used for receiving the temperature information processed by the processing module and reducing the temperature of the battery module (7) or raising the temperature of the battery module (7) according to the temperature information;
the wind direction and wind speed monitoring module is used for monitoring the wind direction and wind speed of the environment and transmitting the monitored wind direction and wind speed information to the processing module;
and the wind direction adjusting module is used for receiving the wind direction and wind speed information processed by the processing module and adjusting the windward direction according to the wind direction and wind speed information.
2. The lithium battery-based BMS data monitoring and management system according to claim 1, wherein the wind direction adjusting module comprises a protective cover (1) arranged outside the battery module (7), a plurality of heat dissipation holes (6) are respectively formed on two opposite surfaces of the protective cover (1), and a stepping motor (2) arranged at the bottom of the protective cover (1); when the temperature information monitored by the temperature monitoring module is judged by the processing module to be higher than the optimal operating temperature of the battery module (7), the processing module controls the stepping motor (2) to rotate according to the wind direction information monitored by the wind direction and wind speed monitoring module, so that the heat dissipation holes (6) face the wind.
3. The lithium battery-based BMS data monitoring and management system according to claim 2, wherein the cooling module comprises a heat dissipation fan disposed inside the protective cover (1), and a switch assembly (10) disposed inside the protective cover (1) and sealing the heat dissipation hole (6); the switch assembly (10) comprises guide posts (13) arranged on two sides of the heat dissipation hole (6), sealing plugs (11) with two ends sleeved on the guide posts (13) and positioned between the heat dissipation holes (6), a connecting plate (12) connected with the guide posts (13), and a first electromagnet (14) and a second electromagnet (15) which are respectively arranged on the connecting plate (12) and the sealing plugs (11) and are opposite in position; when the processing module judges that the wind speed cannot independently cool the battery module (7) according to the wind speed monitored by the wind direction and wind speed monitoring module and the temperature monitored by the temperature monitoring module, the processing module controls the cooling fan to start to dissipate heat.
4. The BMS data monitoring and management system based on the lithium battery as recited in claim 1, wherein the temperature raising module comprises a heat conducting cover (9) disposed on the battery module (7), a heat collecting cover (5) disposed on the top of the protection cover (1), and the heat collecting cover (5) is tapered, a heat conducting rod (8) connected between the bottom of the heat collecting cover (5) and the heat conducting cover (9), and two cover plates (3) connected between the two driving members (4) on the top of the protection cover (1) for shielding the top of the heat collecting cover (5); when the processing module judges that the temperature is lower than the optimal operating temperature of the pool module (7) according to the data monitored by the temperature monitoring module, the processing module controls the driving piece (4) to drive the cover plate to be opened.
5. The BMS data monitoring and management system based on lithium batteries according to claim 1, further comprising a voltage and current monitoring module and a display module connected with the processing module, wherein the display module is used for displaying the temperature of the battery module (7), and the voltage and current monitoring module is used for monitoring the real-time voltage and current of the battery module (7) and displaying the real-time voltage and current on the display module.
6. The lithium battery-based BMS data monitoring and management system according to claim 1, further comprising a thermal shutdown module for triggering the thermal shutdown module to shut down the battery module when the temperature of the battery module (7) exceeds a limit temperature set inside the processing module.
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