CN117458044B - New energy automobile battery management system - Google Patents
New energy automobile battery management system Download PDFInfo
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- CN117458044B CN117458044B CN202311796407.5A CN202311796407A CN117458044B CN 117458044 B CN117458044 B CN 117458044B CN 202311796407 A CN202311796407 A CN 202311796407A CN 117458044 B CN117458044 B CN 117458044B
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- central control
- control module
- electrically connected
- base
- protective cover
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 69
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000110 cooling liquid Substances 0.000 claims abstract description 48
- 230000001681 protective effect Effects 0.000 claims abstract description 40
- 238000001816 cooling Methods 0.000 claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 30
- 230000008569 process Effects 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- 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
-
- 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
-
- 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
- H01M10/6569—Fluids undergoing a liquid-gas phase change or transition, e.g. evaporation or condensation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
Abstract
The application relates to the technical field of new energy automobile battery management, in particular to a new energy automobile battery management system, which comprises a base, a protective cover and a cooling management mechanism; according to the cooling management mechanism provided by the invention, the sponge is matched with the cooling liquid in the process of left and right reciprocating movement, so that the surface of the lithium battery can be coated with the cooling liquid, and then the cooling liquid absorbs heat and volatilizes to take away heat generated by the lithium battery, so that the cooling effect is achieved; according to the invention, the central control assembly, the electronic water level gauge and the electronic thermometer are matched with each other, the water pump can be opened in a self-adaptive manner according to the temperature in the protective cover, so that cooling liquid can be pumped into the first sponge, and meanwhile, the central control assembly and the electric sliding block are matched with each other, so that the electric sliding block can be opened in a self-adaptive manner, and the first sponge can be moved freely to cool the lithium battery.
Description
Technical Field
The application relates to the technical field of new energy automobile battery management, in particular to a new energy automobile battery management system.
Background
With the rapid development of new energy automobiles, lithium batteries have become an automobile technology which is developed in the automobile industry and is widely popularized, and can provide driving force in the running process of automobiles, as the lithium batteries can emit heat in the discharging process, the service life of the lithium batteries can be influenced due to excessive heat emission, and even the risk of fire disaster can be caused due to the excessive heat emission temperature of the lithium batteries.
The invention relates to the technical field of new energy automobile batteries, in particular to a heat dissipation device for new energy automobile battery management and a use method thereof, wherein the heat dissipation device comprises an installation shell and a battery body, an installation bin is arranged in the installation shell, a bottom plate is arranged below the installation shell, the positions of connecting blocks correspond to the positions of four groups of inserted bars respectively, heat dissipation fins are fixedly connected to two side walls of the installation bin respectively, heat conduction plates are fixedly connected with the same side heat dissipation fins respectively, the heat conduction plates are attached to the battery body, a fan is arranged in the air guide frame, connecting pipes are fixedly connected to two sides of a liquid tank, the battery body is taken out after an automobile is jacked up at any time through a jack, the external condition of a battery is observed, compared with the heat absorption mode of using the fan to cool a heat conduction copper pipe, a large amount of heat absorbed during ethanol evaporation is far greater than the heat taken away by the fan to increase the air flow speed around the heat conduction copper pipe, and the surface of the heat conduction copper pipe is always evaporated continuously.
However, the above prior art still has some drawbacks when it comes to new energy battery management: 1. the installation shell provided in the patent application is closed, so that heat generated by the lithium battery cannot be timely discharged to the outside of the installation shell through the radiating fins, and the temperature in the installation shell is increased, so that the radiating effect of the radiating fins is affected.
2. In the above patent application, the heat dissipation treatment can be performed on the left side and the right side of the battery only by mutually matching the heat conduction through pipe and the ethanol, but the heat dissipation treatment is not performed on the front side, the rear side, the upper side and the lower side of the battery in time, so that the heat dissipation uniformity of the battery is affected.
3. The driving devices such as the miniature water pump are required to be manually opened in the using process of the patent application, so that the lithium battery cannot be cooled according to the self-adaption of the temperature inside the installation shell, and the applicability is poor.
Based on this, in the statement of the above point of view, the prior art still has room for improvement in the way new energy automobiles are battery managed.
Disclosure of Invention
In order to solve the technical problems, the application provides a new energy automobile battery management system, which adopts the following technical scheme: the utility model provides a new energy automobile battery management system, includes mouth style of calligraphy structure and is used for placing the base of lithium cell, the base up end install the opening and left and to the protection casing of lithium cell play guard action, install the cooling management mechanism that is used for cooling down the processing to the lithium cell on the base.
The front side, the rear side and the right side wall of the protective cover are provided with a plurality of evenly distributed heat dissipation openings, and the left side of the upper end face outside the protective cover is provided with a voltmeter for detecting the lithium battery.
The cooling management mechanism comprises four movable seats which are arranged inside the protective cover and are in rectangular distribution, wherein connecting rods are installed between every two adjacent movable seats through bearings, a first sponge is installed on the connecting rods, a storage box matched with the first sponge is installed on the right side wall inside the protective cover, a water pump is installed on the storage box, and electric sliding blocks for driving the two movable seats to move are installed on the right end faces of the two movable seats below.
The electronic water level gauge and the electronic thermometer are sequentially arranged on the left end face of the movable seat above the front side from top to bottom, and the central control assembly is commonly arranged among the water pump, the electronic water level gauge, the electronic thermometer, the cooling management mechanism and the voltmeter.
Preferably, the first cavity is formed in the connecting rod, a plurality of first liquid leakage holes communicated with the first cavity are uniformly formed in the circumferential surface of the connecting rod, the transition grooves communicated with the corresponding first cavity are formed in the movable seat, and the liquid inlet communicated with the transition grooves is formed in the front end surface of the movable seat above the front side.
Preferably, the connecting rods are rotatably arranged on the movable seat through bearings, the first rack plate which is symmetrical around the upper end face of the base is arranged on the upper end face of the base, the first gear which is meshed with the corresponding first rack plate is arranged on the front connecting rod and the rear connecting rod, the second rack plate is arranged on the upper end face inside the protective cover, the second gear which is meshed with the second rack plate is arranged on the connecting rod above, the third rack plate is arranged on the lower end face of the base, and the third gear which is meshed with the third rack plate is arranged on the connecting rod below.
Preferably, the right side of the upper end surface of the base is penetrated and provided with a moving block which slides back and forth, the upper end surface of the moving block is provided with a linkage rod, a second sponge is arranged on the linkage rod, the right front side of the lower end surface of the base is provided with a reversing shaft through a bearing, the front side of the lower end surface of the base is provided with a traction block which slides left and right, the lower end surface of the base is provided with a reset protrusion matched with the traction block, and a reset spring is jointly arranged between the reset protrusion and the traction block.
The traction rope is arranged on the front end face of the movable block, one end, far away from the movable block, of the traction rope bypasses the reversing shaft and is fixed on the traction block, and the driving block matched with the traction block is fixedly arranged on the front end face of the movable seat below the front side.
Preferably, a cavity II extending up and down is formed in the linkage rod, and a plurality of liquid leakage holes II communicated with the cavity II are uniformly formed in the circumferential surface of the linkage rod.
Preferably, the left side face of the movable seat is provided with a first fixing protrusion, a first rotating shaft is jointly arranged between the upper fixing protrusion and the lower fixing protrusion through a bearing, a plurality of first blades are uniformly arranged on the circumferential face of the first rotating shaft in the circumferential direction, a second fixing protrusion is uniformly arranged on the first front and rear adjacent fixing protrusions, a second rotating shaft is jointly arranged between the second front and rear adjacent fixing protrusions through a bearing, and a plurality of second blades are uniformly arranged on the circumferential face of the second rotating shaft in the circumferential direction.
Preferably, the heat dissipation openings on the front side and the rear side of the protective cover are arranged obliquely outwards from right to left.
Preferably, the central control assembly comprises a central control panel arranged on the base, keys arranged on the central control panel and a central control unit arranged inside the central control panel, wherein the central control unit comprises a central control module, a key control module electrically connected with the central control module, an electric slide block control module electrically connected with the central control module, a pump body control module electrically connected with the central control module, a voltage control module electrically connected with the central control module, a water level warning module electrically connected with the central control module and a temperature receiving module electrically connected with the central control module.
The electric water level meter is electrically connected with the water level warning module, and the electric thermometer is electrically connected with the temperature receiving module.
In summary, the present application includes at least one of the following beneficial technical effects:
1. according to the cooling management mechanism provided by the invention, the sponge is matched with the cooling liquid in the process of left and right reciprocating movement, so that the surface of the lithium battery can be coated with the cooling liquid, and then the cooling liquid absorbs heat and volatilizes to take away heat generated by the lithium battery, so that the cooling effect is achieved; the heat dissipation opening arranged on the protective cover can ensure that the heat taken away by volatilizing the cooling liquid can be timely discharged to the outside of the protective cover, so that the temperature in the protective cover is further reduced.
2. According to the invention, the central control assembly, the electronic water level gauge and the electronic thermometer are matched with each other, the water pump can be opened in a self-adaptive manner according to the temperature in the protective cover, so that cooling liquid can be pumped into the first sponge, and meanwhile, the central control assembly and the electric sliding block are matched with each other, so that the electric sliding block can be opened in a self-adaptive manner, and the first sponge can be moved freely to cool the lithium battery.
3. The connecting rod can drive the sponge to rotate in a circumferential direction in the rotating process of the connecting rod, so that the uniformity of coating the cooling liquid on the lithium battery can be ensured in the rotating process of the sponge, and the influence of uneven coating of the cooling liquid on the lithium battery on the heat dissipation effect is avoided.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic view of a three-dimensional installation structure among a base, a movable seat and a connecting rod.
Fig. 3 is an enlarged view of a portion of fig. 2a of the present invention.
Fig. 4 is an enlarged view of a portion of the invention at B of fig. 2.
Fig. 5 is a schematic view of a three-dimensional installation structure among a protective cover, a storage box, a water pump and a base.
Fig. 6 is a schematic view of the internal perspective structure of the protective cover of the present invention.
Fig. 7 is an enlarged view of a portion of fig. 6 at C in accordance with the present invention.
Fig. 8 is an electrical flow chart of the present invention.
Fig. 9 is a bottom view of the present invention in a perspective configuration.
Fig. 10 is an enlarged view of a portion D of fig. 9 in accordance with the present invention.
Fig. 11 is an enlarged view of a portion of fig. 9 at E in accordance with the present invention.
Fig. 12 is a schematic view showing an isometric installation structure of the fixed shaft, the rotating shaft and the blades of the present invention.
Fig. 13 is a schematic view of a three-dimensional installation structure between a linkage rod and a second sponge.
Reference numerals illustrate: 1. a base; 11. rack plate I; 12. a first gear; 13. rack plate III; 14. a third gear; 15. a moving block; 16. a linkage rod; 17. a second sponge; 18. a reversing shaft; 19. a traction block; 10. a return spring; 101. a traction rope; 102. a driving block; 103. a cavity II; 104. a second liquid leakage hole; 2. a protective cover; 21. a heat radiation port; 22. a voltmeter; 23. rack plate II; 24. a second gear; 3. a cooling management mechanism; 31. a movable seat; 311. an electronic water level gauge; 312. an electronic thermometer; 313. a first fixing protrusion; 314. a first rotating shaft; 315. a first blade; 316. a second fixing protrusion; 317. a second rotating shaft; 318. a second blade; 32. a connecting rod; 321. a first cavity; 322. a liquid leakage hole I; 323. a transition groove; 324. a liquid inlet; 33. a sponge I; 34. a storage tank; 35. a water pump; 36. an electric slide block; 4. a lithium battery.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-13.
The embodiment of the application discloses a new energy automobile battery management system, which can be used for monitoring and managing lithium batteries in a self-adaptive manner.
Embodiment one:
referring to fig. 1 and 2, a new energy automobile battery management system, including the base 1 that just is used for placing lithium cell 4 of mouth style of calligraphy structure, the protection casing 2 that the opening left and play the guard action to lithium cell 4 is installed to base 1 up end, installs the cooling management mechanism 3 that is used for carrying out cooling treatment to lithium cell 4 on the base 1.
The protection casing 2 can protect lithium cell 4, and cooling management mechanism 3 can carry out cooling treatment to lithium cell 4, avoids lithium cell 4 surface temperature to influence lithium cell 4's life excessively.
A plurality of evenly distributed cooling ports 21 are formed in the front, the back and the right side wall of the protective cover 2, so that air inside and outside the protective cover 2 can circulate conveniently, heat brought by the cooling management mechanism 3 can be timely discharged outside the protective cover 2, a voltmeter 22 for detecting the lithium battery 4 is arranged on the left side of the upper end face outside the protective cover 2, the voltmeter 22 is electrically connected with an external area on the left side of the lithium battery 4, and the voltage of the lithium battery 4 can be monitored.
The heat dissipation openings 21 (see fig. 7) on the front side and the rear side of the protective cover 2 are arranged obliquely outwards from right to left, so that hot air with heat flows in the inner wall of the protective cover 2 in the use process of the lithium battery 4, and the hot air is discharged outwards along the inner wall of the heat dissipation opening 21 in the flow process of the inner wall of the protective cover 2, so that the heat discharge in the protective cover 2 is further accelerated.
Referring to fig. 2 to 5, in order to reduce the possibility of ignition of the lithium battery 4, the cooling management mechanism 3 provided by the invention comprises four moving seats 31 which are positioned in the protective cover 2 and are in rectangular distribution, and can move left and right, wherein connecting rods 32 are commonly installed between adjacent moving seats 31 through bearings, a sponge one 33 is installed on the connecting rods 32 and closely attached to the lithium battery 4, a storage box 34 matched with the sponge one 33 is installed on the right side wall in the protective cover 2 and is used for storing cooling liquid, a water pump 35 is installed on the storage box 34, the cooling liquid is pumped out from the storage box 34, and electric sliding blocks 36 for driving the cooling liquid to move are installed on the right end surfaces of the two lower moving seats 31.
Referring to fig. 4, the connecting rod 32 has a first cavity 321, the connecting rod 32 has a plurality of first liquid leakage holes 322 formed on a circumferential surface thereof and communicated with the first cavity 321, the movable seat 31 has a transition groove 323 formed therein and communicated with the corresponding first cavity 321, and the front end surface of the movable seat 31 has a liquid inlet 324 formed therein and communicated with the transition groove 323.
The storage tank 34 is provided with a liquid inlet, the moving seat 31 above is slidably disposed on the upper sidewall of the protective cover 2, the moving seat 31 below is disposed on the base 1 in a penetrating and sliding manner, enough cooling liquid (water or other non-flammable liquid) is filled into the storage tank 34 through the liquid inlet in an initial state, the outlet of the water pump 35 is connected with the liquid inlet 324 in a penetrating manner through a rubber hose of a sufficient length, and the first cavities 321 in the four connecting pipes and the transition grooves 323 in the corresponding moving seats 31 form a closed loop.
When the lithium battery 4 is required to be cooled, the water pump 35 is opened, the water pump 35 can pump the cooling liquid in the storage box 34 into the transition groove 323 in the front side upper moving seat 31, the cooling liquid can be transferred into the first cavities 321 through the closed loop formed by the transition groove 323 and the first cavities 321, the cooling liquid in the first cavities 321 is transferred to the first sponge 33 through the first weeping holes 322, the electric sliding block 36 is restarted, the first sponge 33 can be driven to move leftwards through the mutual matching of the moving seat 31 and the connecting rod 32, when the first sponge 33 is moved to the leftmost side of the lithium battery 4, the electric sliding block 36 is reversed and reset to drive the first sponge 33 to move rightwards, the cooling liquid can be coated on the surface of the lithium battery 4 in the left-right reciprocating movement process of the first sponge 33, and heat generated by the lithium battery 4 can be taken away through heat absorption and volatilization of the cooling liquid, so that the cooling liquid has a cooling effect.
Meanwhile, the heat dissipation port 21 formed in the protective cover 2 can ensure that heat taken away by volatilization of the cooling liquid can be timely discharged to the outside of the protective cover 2, and the temperature inside the protective cover 2 is further reduced.
Referring to fig. 5 and 10, in order to improve the uniformity of coating cooling liquid on the surface of a lithium battery 4 by a sponge one 33, the connecting rods 32 are rotatably mounted on the movable seat 31 through bearings, the upper end surface of the base 1 is provided with a rack plate one 11 which is symmetrical in front and back, the front and back connecting rods 32 are provided with a gear one 12 which is meshed with the corresponding rack plate one 11, the gear one 12 is meshed with the rack plate one 11 to drive the front and back connecting rods 32 to rotate, the upper end surface of the inside of the protective cover 2 is provided with a rack plate two 23, the upper connecting rod 32 is provided with a gear two 24 which is meshed with the rack plate two 23, the gear two 24 is meshed with the rack plate two 23 to drive the upper connecting rod 32 to rotate, the lower end surface of the base 1 is provided with a rack plate three 13, the lower connecting rod 32 is provided with a gear three 14 which is meshed with the rack plate three 13, and the gear three 14 is meshed with the rack plate to drive the lower connecting rod 32 to rotate.
In the process of the left and right reciprocating movement of the connecting rod 32 driven by the moving seat 31, the rack plate I11 and the gear I12 are matched with each other, the rack plate II 23 and the gear II 24 are matched with each other, the rack plate III 13 and the gear III 14 are matched with each other, the front connecting rod 32, the rear connecting rod 32, the upper connecting rod 32 and the lower connecting rod 32 can be driven to synchronously rotate respectively, the sponge I33 can be driven to circumferentially rotate in the rotating process of the connecting rod 32, the uniformity of the cooling liquid coating on the lithium battery 4 can be guaranteed in the rotating process of the sponge I33, and the problem that the cooling liquid coating on the lithium battery 4 is uneven is avoided.
In order to improve the self-adaptability of the invention, the electronic water level meter 311 and the electronic thermometer 312 are sequentially arranged on the left end surface of the upper front movable seat 31 from top to bottom, wherein a central control component is commonly arranged among the water pump 35, the electronic water level meter 311, the electronic thermometer 312, the cooling management mechanism 3 and the voltmeter 22.
Wherein the electronic thermometer 312 can measure the temperature inside the shield 2 and the electronic water level meter 311 can measure the level of the cooling liquid inside the transition tank 323 above the front side.
Referring to fig. 6 and 8, the central control assembly includes a central control panel disposed on the base 1, keys disposed on the central control panel, and a central control unit disposed inside the central control panel, wherein the central control unit includes a central control module, a key control module electrically connected to the central control module, an electric slider control module electrically connected to the central control module, a pump body control module electrically connected to the central control module, a voltage control module electrically connected to the central control module, a water level warning module electrically connected to the central control module, and a temperature receiving module electrically connected to the central control module.
The key is electrically connected with the key control module, the electric slide block 36 is electrically connected with the electric slide block control module, the water pump 35 is electrically connected with the pump body control module, the voltmeter 22 is electrically connected with the voltage control module, the electronic water level meter 311 is electrically connected with the water level warning module, and the electronic thermometer 312 is electrically connected with the temperature receiving module.
The inside coolant liquid that is full of front side top transition groove 323 when the home position, the during specific work, when the inside temperature of protection casing 2 risees to certain temperature, the temperature signal that this moment electronic thermometer 312 can be with measuring gives temperature receiving module, temperature receiving module gives central control module with the signal transmission who receives, central control module gives electric slider control module after handling the signal processing that receives, electric slider control module gives electric slider 36 with the signal transmission who receives, electric slider 36 starts and then can drive sponge one 33 and coat the coolant liquid on lithium cell 4 surface, the self-adaptation effect is better.
When the cooling liquid in the front upper transition groove 323 reaches below the warning water level of the electronic water level meter 311, the first cavity 321 in the connecting rod 32 above at this time may not be filled with the cooling liquid, the effect of absorbing the cooling liquid by the corresponding first sponge 33 is affected, the electronic water level meter 311 transmits signals to the water level warning module, and then the water level warning module transmits received signals to the central control module, the central control module transmits the received signals to the pump body control module after processing, the pump body control module transmits the received signals to the water pump 35, so that the water pump 35 is started to fill the front upper transition groove 323 with the cooling liquid, the front upper transition groove 323 is guaranteed to be always filled with the cooling liquid, the first cavity 321 in the connecting rod 32 above is guaranteed to be always filled with the cooling liquid, the effect of coating the cooling liquid on the upper end face of the lithium battery 4 in the left and right reciprocating movement process of the first sponge 33 is guaranteed, and the self-adapting effect is better.
When the interior of the protective cover 2 falls below a certain temperature, the temperature receiving module no longer receives signals transmitted by the electronic thermometer 312, the electric sliding block 36 no longer moves at the moment, and when the cooling liquid of the transition groove 323 on the upper side of the front side is full, the water pump 35 does not receive signals transmitted by the pump body control receiving module, and the water pump 35 does not work at the moment.
The central control module is further electrically connected with the image receiving module, the image receiving module is further electrically connected with the external display screen, the voltmeter 22 can always detect the working voltage of the lithium battery 4, when the working voltage of the lithium battery 4 is abnormal, the voltage control module can receive signals sent by the voltmeter 22, the voltage control module transmits the received signals to the central control module, the central control module transmits the received signals to the image receiving module after processing, the image receiving module transmits the received signals to the external display screen, and an external person can select and judge the abnormal conditions of the voltmeter 22 through the external display screen.
Therefore, the real-time monitoring and management of the lithium battery 4 of the automobile can be realized through the steps, the interior of the protective cover 2 can be timely cooled when the temperature of the lithium battery 4 is raised, meanwhile, the voltage of the lithium battery 4 can be monitored in real time, the safety of the lithium battery 4 in the use process is ensured, the influence of the temperature rise of the lithium battery 4 on the service life of the lithium battery is avoided, and meanwhile, the risk of damage to a vehicle and casualties caused by ignition of the lithium battery 4 can be further reduced.
Embodiment two:
referring to fig. 9 to 13, in order to improve uniformity of heat dissipation on the surface of the lithium battery 4, in the first embodiment, a moving block 15 sliding back and forth is arranged on the right side of the upper end surface of the base 1, a linkage rod 16 is mounted on the upper end surface of the moving block 15, a sponge two 17 is mounted on the linkage rod 16, after the sponge two 17 absorbs cooling liquid, coating treatment can be performed on the right side of the lithium battery 4, a reversing shaft 18 is mounted on the right front side of the lower end surface of the base 1 through a bearing, a traction block 19 sliding left and right is arranged on the front side of the lower end surface of the base 1, a reset protrusion matched with the traction block 19 is arranged on the lower end surface of the base 1, and a reset spring 10 is mounted between the reset protrusion and the traction block 19 together, so that a reset effect can be performed on the traction block 19.
The traction rope 101 is arranged on the front end face of the moving block 15 and is used for traction of the moving block 15 to move back and forth, one end, far away from the moving block 15, of the traction rope 101 bypasses the reversing shaft 18 and is fixed on the traction block 19, and the driving block 102 matched with the traction block 19 is fixedly arranged on the front end face of the moving seat 31 below the front side.
A second cavity 103 extending up and down is formed in the linkage rod 16 and is used for transitional cooling liquid, and a plurality of second liquid leakage holes 104 communicated with the second cavity 103 are uniformly formed in the circumferential surface of the linkage rod 16.
A return spring rod (not shown in the figure) for resetting is arranged between the moving block 15 and the base 1, before the moving block 15 moves, an existing rubber hose (not shown in the figure) is used for connecting the cavity II 103 with a transition groove 323 above the front side in a penetrating way, at the moment, the cavity II 103 is filled with cooling liquid, and then the cooling liquid is filled with the sponge II 17 through a liquid leakage hole II 104, and in specific working, the moving seat 31 below the front side drives the driving block 102 to move in the moving process, the driving block 102 synchronously drives the traction block 19 to move leftwards in the leftwards moving process, the traction block 19 drives the moving block 15 to move forwards through the cooperation of the reversing shaft 18 and the traction rope 101, at the moment, the return spring 10 is compressed, the return spring rod stretches, and the cooling liquid can be coated on the right end face of the lithium battery 4 through the linkage rod 16 in the moving block 15 forwards moving process, so that the cooling liquid can be coated on the right end face of the lithium battery 4 through the sponge II 17, and the uniformity of heat dissipation of the lithium battery 4 is ensured.
When the traction block 19 moves to the leftmost side, the moving block 15 synchronously moves to the leftmost side, the moving seat 31 below the front side resets at the moment, the reset spring 10 resets to drive the traction block 19 to reset, and meanwhile, the reset spring rod resets to drive the moving block 15 to reset, so that the sponge two 17 can be driven to carry out back-and-forth reciprocating coating on the right side of the lithium battery 4 through the steps, and the heat dissipation uniformity of the lithium battery 4 is further ensured.
In order to further increase the speed of heat dissipation in the protective cover 2, the left side surface of the movable seat 31 provided by the invention is provided with the first fixing protrusions 313, the upper and lower adjacent first fixing protrusions 313 are provided with the first rotating shaft 314 together through bearings, the circumferential surface of the first rotating shaft 314 is provided with the first plurality of blades 315 uniformly in the circumferential direction, the front and rear adjacent first fixing protrusions 313 are provided with the second fixing protrusions 316, the front and rear adjacent second fixing protrusions 316 are provided with the second rotating shaft 317 together through bearings, and the circumferential surface of the second rotating shaft 317 is provided with the second plurality of blades 318 uniformly in the circumferential direction.
The first rotating shaft 314 is in transmission connection with the corresponding first rack plate 11 through a gear, the second rotating shaft 317 is in transmission connection with the corresponding connecting rod 32 through a belt transmission mode, and in specific operation, the upper connecting rod 32 and the lower connecting rod 32 drive the corresponding second rotating shaft 317 to synchronously rotate through the belt transmission mode in the rotating process, the first rotating shaft 314 is driven to rotate by the rotation of the first rotating shaft 314 through the mutual cooperation of the gear and the first rack plate 11, the first rotating shaft 314 and the second rotating shaft 317 drive the corresponding first blade 315 and the second blade 318 to circumferentially rotate in the rotating process, the first blade 315 and the second blade 318 can blow air to the surface of the lithium battery 4 in the rotating process, and then blown air can accelerate the evaporation speed of cooling liquid, so that the heat dissipation effect of the lithium battery 4 is accelerated.
The implementation principle of the invention is as follows:
(1): when the lithium battery 4 needs to be cooled, the water pump 35 is turned on, the water pump 35 can pump the cooling liquid in the storage box 34 into the transition groove 323 in the front side upper moving seat 31, then the cooling liquid can be transferred into the first cavities 321 through the closed loop formed by the transition groove 323 and the first cavities 321, the cooling liquid in the first cavities 321 is transferred to the first sponge 33 through the first liquid leakage holes 322, and then the cooling liquid can be coated on the surface of the lithium battery 4 in the process of the left and right reciprocating movement of the first sponge 33, and then the cooling liquid absorbs heat and volatilizes to take away heat generated by the lithium battery 4.
(2): in the process of driving the connecting rod 32 to reciprocate left and right by the moving seat 31, the rack plate I11 and the gear I12 are matched with each other, the rack plate II 23 and the gear II 24 are matched with each other, the rack plate III 13 and the gear III 14 are matched with each other, the front connecting rod 32, the rear connecting rod 32, the upper connecting rod 32 and the lower connecting rod 32 can be respectively driven to synchronously rotate, the connecting rod 32 can drive the sponge I33 to circumferentially rotate in the rotating process, and then the cooling liquid can be uniformly coated on the lithium battery 4 in the rotating process of the sponge I33.
(3): after receiving signals of the voltmeter 22, the electronic water level meter 311 and the electronic thermometer 312, the central control component can self-adaptively open the electric sliding block 36, and then can self-adaptively perform cooling treatment according to the internal temperature of the protective cover 2.
(4): the corresponding second rotating shaft 317 is driven to synchronously rotate by a belt transmission mode in the rotating process of the upper connecting rod 32 and the lower connecting rod 32, the first rotating shaft 314 is driven to rotate by the mutual cooperation of the gear and the first rack plate 11 in the left-right reciprocating moving process of the first rotating shaft 314, the corresponding first blade 315 and the second blade 318 are driven to circumferentially rotate in the rotating process of the first rotating shaft 314 and the second rotating shaft 317, and air can be blown to the surface of the lithium battery 4 in the rotating process of the first blade 315 and the second blade 318.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. New energy automobile battery management system, including mouth style of calligraphy structure and be used for placing base (1) of lithium cell (4), its characterized in that: the utility model provides a base (1) up end install opening left and to protection casing (2) of lithium cell (4) play the guard action, install on base (1) and be used for carrying out cooling management mechanism (3) of cooling treatment to lithium cell (4), wherein:
a plurality of evenly distributed heat dissipation openings (21) are formed in the front, the back and the right side wall of the protective cover (2), and a voltmeter (22) for detecting the lithium battery (4) is arranged on the left side of the upper end face outside the protective cover (2); the cooling management mechanism (3) comprises four movable seats (31) which are positioned in the protective cover (2) and are arranged in a rectangular distribution manner, wherein connecting rods (32) are commonly installed between the adjacent movable seats (31) through bearings, a first sponge (33) is installed on the connecting rods (32), a storage tank (34) which is matched with the first sponge (33) and is used for storing cooling liquid is installed on the right side wall in the protective cover (2), a water pump (35) is installed on the storage tank (34), and electric sliding blocks (36) used for driving the two movable seats (31) to move are installed on the right end faces of the two movable seats below;
the connecting rod (32) is internally provided with a first cavity (321), the circumference of the connecting rod (32) is uniformly provided with a plurality of first liquid leakage holes (322) communicated with the first cavity (321), the movable seat (31) is internally provided with a transition groove (323) communicated with the corresponding first cavity (321), and the front end surface of the movable seat (31) above the front side is provided with a liquid inlet (324) communicated with the transition groove (323);
the electronic water level meter (311) and the electronic thermometer (312) are sequentially arranged on the left end face of the movable seat (31) above the front side from top to bottom, and a central control component is jointly arranged among the water pump (35), the electronic water level meter (311), the electronic thermometer (312), the cooling management mechanism (3) and the voltmeter (22).
2. The new energy automobile battery management system of claim 1, wherein: the connecting rods (32) are rotatably arranged on the movable seat (31) through bearings, the first rack plate (11) which is symmetrical front and back is arranged on the upper end face of the base (1), the first gear (12) which is meshed with the corresponding first rack plate (11) is arranged on the front and back two connecting rods (32), the second rack plate (23) is arranged on the upper end face of the inside of the protective cover (2), the second gear (24) which is meshed with the second rack plate (23) is arranged on the connecting rod (32) above, the third rack plate (13) is arranged on the lower end face of the base (1), and the third gear (14) which is meshed with the third rack plate (13) is arranged on the connecting rod (32) below.
3. The new energy automobile battery management system of claim 1, wherein: the right side of the upper end surface of the base (1) is provided with a moving block (15) which slides forwards and backwards in a penetrating way, the upper end surface of the moving block (15) is provided with a linkage rod (16), the linkage rod (16) is provided with a sponge II (17), the right front side of the lower end surface of the base (1) is provided with a reversing shaft (18) through a bearing, the front side of the lower end surface of the base (1) is provided with a traction block (19) which slides left and right, the lower end surface of the base (1) is provided with a reset protrusion matched with the traction block (19), and a reset spring (10) is jointly arranged between the reset protrusion and the traction block (19); the traction rope (101) is arranged on the front end face of the movable block (15), one end, far away from the movable block (15), of the traction rope (101) bypasses the reversing shaft (18) and is fixed on the traction block (19), and the driving block (102) matched with the traction block (19) is fixedly arranged on the front end face of the movable seat (31) below the front side.
4. The new energy automobile battery management system according to claim 3, wherein: the inside of the linkage rod (16) is provided with a cavity II (103) which extends up and down, and the circumference of the linkage rod (16) is uniformly provided with a plurality of liquid leakage holes II (104) communicated with the cavity II (103).
5. The new energy automobile battery management system of claim 1, wherein: the left side of the movable seat (31) is provided with a first fixing protrusion (313), a first rotating shaft (314) is jointly installed between the upper adjacent fixing protrusions (313) and the lower adjacent fixing protrusions through bearings, a plurality of first blades (315) are uniformly installed on the circumferential surface of the first rotating shaft (314), a second fixing protrusion (316) is respectively installed on the first front and rear adjacent fixing protrusions (313), a second rotating shaft (317) is jointly installed between the second front and rear adjacent fixing protrusions (316) through bearings, and a plurality of second blades (318) are uniformly installed on the circumferential surface of the second rotating shaft (317).
6. The new energy automobile battery management system of claim 1, wherein: the heat dissipation openings (21) on the front side and the rear side of the protective cover (2) are arranged obliquely outwards from right to left.
7. The new energy automobile battery management system of claim 1, wherein: the central control assembly comprises a central control panel arranged on a base (1), keys arranged on the central control panel and a central control unit arranged inside the central control panel, wherein the central control unit comprises a central control module, a key control module electrically connected with the central control module, an electric slide block control module electrically connected with the central control module, a pump body control module electrically connected with the central control module, a voltage control module electrically connected with the central control module, a water level warning module electrically connected with the central control module and a temperature receiving module electrically connected with the central control module;
the electric water level meter is characterized in that the keys are electrically connected with the key control module, the electric sliding block (36) is electrically connected with the electric sliding block control module, the water pump (35) is electrically connected with the pump body control module, the voltmeter (22) is electrically connected with the voltage control module, the electronic water level meter (311) is electrically connected with the water level warning module, and the electronic thermometer (312) is electrically connected with the temperature receiving module.
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| CN117458044B true CN117458044B (en) | 2024-03-19 |
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