CN112490521A - Lithium battery protection board control device - Google Patents
Lithium battery protection board control device Download PDFInfo
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- CN112490521A CN112490521A CN202011430195.5A CN202011430195A CN112490521A CN 112490521 A CN112490521 A CN 112490521A CN 202011430195 A CN202011430195 A CN 202011430195A CN 112490521 A CN112490521 A CN 112490521A
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- lithium battery
- battery protection
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- bin
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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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a lithium battery protection plate control device which comprises an installation bin, wherein an electric fan is installed in the middle of the top of the installation bin, a lithium battery protection plate is installed at the bottom of the inner side of the installation bin, a second battery access port is installed in the middle of one side of the top of the lithium battery protection plate, a second external interface is installed in the middle of the other side of the top of the lithium battery protection plate, and two groups of second arc-shaped contact pieces are symmetrically arranged on one side, far away from the second external interface and the second battery access port, of the second external interface. According to the invention, through the matched use of the mounting bin, the electric fan, the air inlet adjusting assembly, the automatic power-off assembly, the single chip microcomputer and the heat conducting gasket, when the lithium battery protection board generates a large amount of heat during working, external air can be blown into the mounting bin more quickly to cool the surface of the lithium battery protection board through air blowing, so that the temperature of the surface of the lithium battery protection board is automatically controlled, and the normal work of the lithium battery protection board is ensured.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a lithium battery protection board control device.
Background
The lithium battery protection board is used for charging and discharging protection of the series lithium battery pack, the voltage difference between the single batteries can be guaranteed to be smaller than a set value when the battery pack is fully charged, the single batteries of the battery pack are uniformly charged, the charging effect under the series charging mode is effectively improved, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of the single batteries in the battery pack are detected, the service life of the battery is protected and prolonged, and the undervoltage protection enables each single battery to avoid damage of the battery due to overdischarge when the battery pack is used for discharging.
When a large number of lithium battery packs are combined into a storage battery pack for use, the collected current and voltage are large, so that a great burden is caused on a lithium battery protection board in the process of charging or discharging the lithium battery, the temperature of the lithium battery protection board is also raised, and if the temperature of the surface of the lithium battery protection board cannot be controlled in time, the high temperature can damage components inside the lithium battery protection board, and the protection function of the lithium battery protection board on the lithium battery can be greatly influenced; although the current lithium battery protection board can cut off the electric connection between the external power supply and the lithium battery through the micro relay, if the micro relay is burnt due to overlarge voltage, the external power supply is still in an electric connection state with the lithium battery, so that the lithium battery is easily burnt, and the safe use of the lithium battery and the lithium battery protection board cannot be effectively controlled; most direct mount of present lithium battery protection shield is near lithium cell group simultaneously, and often directly exposes in external environment, receives unexpected collision at lithium battery protection shield, very easily causes the subassembly damage on the lithium battery protection shield, can't carry out effectual protection to lithium battery protection shield.
Disclosure of Invention
The present invention is directed to a lithium battery protection board control device, so as to solve the problems related to the foregoing background art.
In order to achieve the purpose, the invention provides the following technical scheme: a lithium battery protection board control device comprises an installation bin, wherein an electric fan is installed at the middle position of the top of the installation bin, a lithium battery protection board is installed at the bottom of the inner side of the installation bin, a second battery access port is installed at the middle position of one side of the top of the lithium battery protection board, a second external interface is installed at the middle position of the other side of the top of the lithium battery protection board, two groups of second arc-shaped contact pieces are symmetrically arranged at one side, away from each other, of the second external interface and the second battery access port, a first battery access port is arranged at the middle position of one side, close to the second battery access port, of the installation bin, a first external port is arranged at the middle position of one side, close to the second external interface, of the installation bin, two groups of first arc-shaped contact pieces matched with the second arc-shaped contact pieces are symmetrically arranged at one, a single chip microcomputer is mounted at one end, close to one side of a first battery access port, of the top in the mounting bin, a small mounting frame is mounted at the middle position, close to the other side of one end of the single chip microcomputer, of the inside of the mounting bin, a temperature sensor is mounted at the position, close to the middle of the mounting bin, of the top of the small mounting frame, an automatic power-off assembly matched with the second arc-shaped contact piece and the first arc-shaped contact piece is arranged at one side, far away from the single chip microcomputer, of the inside of the mounting bin, and an air inlet adjusting assembly is arranged;
the air inlet adjusting assembly comprises an auxiliary fan, a louver, an air inlet groove, a connecting rod, a large mounting rack and a spring, wherein the air inlet groove is formed in one end, away from the single chip microcomputer, of the mounting bin, the louver is arranged on the inner side of the air inlet groove, the spring is hinged to the middle position, close to one end of the first battery access port, of the inside of the louver, one end, away from the louver, of the spring is hinged to the inner wall of the mounting bin, the large mounting rack is mounted at the middle position, away from the top of one end of the air inlet groove, of the inside of the mounting bin, the position, close to the electric fan, of the top of the large mounting rack is provided with the auxiliary fan, the connecting rod is hinged to the position, close;
the automatic power-off assembly comprises a U-shaped contact piece, an installation rod, a miniature electric push rod and a sleeve, the miniature electric push rod is installed at the other side, close to one end of the single chip microcomputer, of the top in the installation bin, the installation rod is installed at the output end of the miniature electric push rod, the sleeve matched with the installation rod is installed at the end, close to one side of the miniature electric push rod, of the installation bin, and the U-shaped contact piece matched with the second arc-shaped contact piece and the first arc-shaped contact piece is installed in the outer side of the installation rod.
Preferably, the one end in installation storehouse is provided with the filter screen subassembly, and the fixed plate is installed at the both ends of filter screen subassembly, and the fixed plate is close to the one end in installation storehouse and installation storehouse fixed connection, the filter screen subassembly passes through screw and fixed plate fixed connection.
Preferably, the four corners position department at lithium battery protection shield top has all seted up the fixed orifices, the four corners position department of bottom is provided with the screw hole that corresponds with the fixed orifices in the installation storehouse, and the common screw thread in the inboard of a set of screw hole that corresponds and fixed orifices installs fixing bolt, lithium battery protection shield passes through fixing bolt, the cooperation of fixed orifices and screw hole and installation storehouse fixed connection.
Preferably, the single chip microcomputer is electrically connected with the electric fan, the miniature electric push rod and the temperature sensor through wires respectively, and the single chip microcomputer is electrically connected with the output end of the external lithium battery pack through the first arc-shaped contact piece, the first battery access port and the wires.
Preferably, one end of the bottom of the small mounting frame, which is far away from the single chip microcomputer, is provided with a heat conducting gasket, and the bottom of the heat conducting gasket is tightly attached to the top of the second external interface.
Preferably, the louver has twenty groups of swinging blades, and one end of the swinging blade group in the middle of the louver close to the large mounting frame is hinged to one end of the connecting rod far away from the large mounting frame.
Preferably, one side of the first battery access port, which is far away from the installation bin, is electrically connected with the lithium battery pack through a wire, and one side of the first external interface, which is far away from the installation bin, is electrically connected with an output end of an external electric appliance or an external charger through a wire.
Preferably, the distance between the bottom of the threaded hole and the bottom end of the mounting bin is larger than the thickness of the lithium battery protection plate.
Preferably, the two sets of first arc-shaped contact pieces on the inner side of the first battery inlet and the two sets of second arc-shaped contact pieces on the second battery inlet can be in direct contact.
Preferably, the middle position department that the top is close to air inlet duct one end in the installation storehouse installs the spacing post of mutually supporting with the connecting rod, and the outside cover of spacing post is equipped with the rubber pad.
Compared with the prior art, the invention provides a lithium battery protection board control device, which has the following beneficial effects:
1. the invention uses the cooperation of the installation bin, the electric fan, the filter screen component, the lithium battery protection board, the air inlet adjusting component, the small installation frame, the automatic power-off component, the temperature sensor, the single chip microcomputer and the heat conduction gasket, when the lithium battery protection board generates a large amount of heat in operation, the temperature inside the installation bin is accurately known by the temperature sensor, when the temperature inside the installation bin reaches a preset value, the electric fan is controlled by the single chip microcomputer to rotate, the rotating speed of the electric fan is higher when the temperature is higher, at the moment, the air inside the installation bin is exhausted to the external environment through the installation bin, when the flowing air passes through a plurality of groups of auxiliary fans, a certain rotating force is given to the auxiliary fans, and the auxiliary fans pull the connecting rods to gradually pull the shutters open, the space between the shutter swinging blades is increased, the stress of the springs is shortened, and the external air can be blown into the installation bin more, the surface of the lithium battery protection plate is subjected to air blowing cooling, so that the temperature of the surface of the lithium battery protection plate is automatically controlled, and the normal work of the lithium battery protection plate is guaranteed.
2. By the matching use of the installation bin, the first external interface, the lithium battery protection board, the first battery access port, the single chip microcomputer, the second battery access port, the second external interface and the second arc-shaped contact piece, if the lithium battery protection board detects that each single battery in the lithium battery pack has an overvoltage, undervoltage, overcurrent, short circuit or overtemperature state, the lithium battery protection board transmits the detected information to the single chip microcomputer, if the detected value exceeds a preset value range, the micro electric push rod is controlled by the singlechip to extend to push the mounting rod to move, so that two groups of second arc-shaped contact pieces and first arc-shaped contact pieces which are connected through the U-shaped contact pieces are forced to be directly not contacted with each other any more, therefore, the electric connection between the external power supply and the lithium battery pack is thoroughly cut off, the situation that the lithium battery pack cannot be completely cut off from the external power supply due to the fact that some micro relays are burnt out is avoided, and the service life of the battery is greatly protected and prolonged.
3. According to the invention, through the matching use of the mounting bin, the lithium battery protection board, the fixing bolt, the fixing hole and the threaded hole, and the mounting of the lithium battery protection board at the inner bottom of the mounting bin, the mounting bin can be used for protecting related components at the top of the lithium battery protection board, so that the situation that the lithium battery protection board cannot normally work due to accidental collision of the components on the surface of the lithium battery protection board is avoided, the normal heat dissipation of the lithium battery protection board is also not influenced, and the practicability of the lithium battery protection board control device is greatly improved.
Drawings
FIG. 1 is a top up perspective view of the present invention;
FIG. 2 is a perspective view of the present invention with the bottom up;
FIG. 3 is a bottom cross-sectional view of the cartridge of the present invention;
FIG. 4 is a schematic diagram of the present invention after power is cut off;
FIG. 5 is a schematic perspective view of the interior of the mounting bin of the present invention;
FIG. 6 is a schematic perspective view of a lithium battery protection plate according to the present invention;
FIG. 7 is an enlarged view taken at A of FIG. 3 according to the present invention.
In the figure: 1. installing a bin; 2. an electric fan; 3. a screen assembly; 4. a first external interface; 5. a lithium battery protection board; 6. fixing the bolt; 7. an air inlet adjusting component; 701. an auxiliary fan; 702. a blind window; 703. an air inlet groove; 704. a connecting rod; 705. a large mounting frame; 706. a spring; 8. a small mounting rack; 9. an auto-power-off component; 901. a U-shaped contact piece; 902. mounting a rod; 903. a miniature electric push rod; 904. a sleeve; 10. a temperature sensor; 11. a first battery access port; 12. a single chip microcomputer; 13. a thermally conductive gasket; 14. a second battery access port; 15. a second external interface; 16. a fixing hole; 17. a second arc-shaped contact piece; 18. a threaded hole; 19. a first arcuate contact strip.
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. 1-7, the present invention provides a technical solution: a lithium battery protection board control device comprises an installation bin 1, an electric fan 2 is installed at the middle position of the top of the installation bin 1, a filter screen assembly 3 is arranged at one end of the installation bin 1, fixing plates are installed at two ends of the filter screen assembly 3, one end, close to the installation bin 1, of each fixing plate is fixedly connected with the installation bin 1, the filter screen assembly 3 is fixedly connected with the corresponding fixing plate through screws, air entering the installation bin 1 is conveniently filtered through the filter screen assembly 3, a lithium battery protection board 5 is installed at the bottom of the inner side of the installation bin 1, a second battery access port 14 is installed at the middle position of one side of the top of the lithium battery protection board 5, fixing holes 16 are formed in four corners of the top of the lithium battery protection board 5, threaded holes 18 corresponding to the fixing holes 16 are formed in the four corners of the bottom in the installation bin 1, and fixing bolts 6 are installed on the corresponding threaded holes 18 and the inner sides of the fixing holes, the distance from the bottom of the threaded hole 18 to the bottom of the mounting bin 1 is larger than the thickness of the lithium battery protection board 5, so that the lithium battery protection board 5 can be protected by the mounting bin 1 while heat dissipation of the lithium battery protection board 5 is guaranteed, the lithium battery protection board 5 is fixedly connected with the mounting bin 1 through the matching of the fixing bolt 6, the fixing hole 16 and the threaded hole 18, so that the damaged lithium battery protection board 5 can be conveniently replaced, a second external interface 15 is mounted at the middle position of the other side of the top of the lithium battery protection board 5, two groups of second arc-shaped contact pieces 17 are symmetrically arranged at the side, away from each other, of the second external interface 15 and the second battery access port 14, a first battery access port 11 is arranged at the middle position of one side, close to the second external interface 14, of the mounting bin 1, and a first external port 4 is arranged at the, and one side of the first external interface 4 and one side of the first battery access opening 11, which are close to each other, are symmetrically provided with two groups of first arc-shaped contact pieces 19 which are matched with the second arc-shaped contact pieces 17, one side of the first battery access opening 11, which is far away from the installation bin 1, is electrically connected with the lithium battery pack through a lead, one side of the first external interface 4, which is far away from the installation bin 1, is electrically connected with the output end of an external electrical appliance or an external charger through a lead, the two groups of first arc-shaped contact pieces 19 at the inner side of the first battery access opening 11 can be directly contacted with the two groups of second arc-shaped contact pieces 17 on the second battery access opening 14, so that the lithium battery pack can stably supply power to the lithium battery protection plate 5 and the single chip microcomputer 12, one end of the top in the installation bin 1, which is close to one side of the first battery access opening, the single chip microcomputer 12 is electrically connected with the output end of an external lithium battery pack through a first arc-shaped contact piece 19, a first battery access port 11 and a lead, so that the electric fan 2, the miniature electric push rod 903 and the temperature sensor 10 can be automatically controlled by the single chip microcomputer 12 to work conveniently, a small mounting frame 8 is mounted at the middle position of the other side of one end, close to the other side, of the single chip microcomputer 12 in the mounting bin 1, a heat conduction gasket 13 is arranged at one end, far away from the single chip microcomputer 12, of the bottom of the small mounting frame 8, the bottom of the heat conduction gasket 13 is attached to the top of a second external interface 15, the temperature sensor 10 is beneficial to monitoring the temperature outside the second external interface 15, the temperature sensor 10 is mounted at the position, close to the middle of the mounting bin 1, of the top of the small mounting frame 8, and an automatic power, an air inlet adjusting component 7 is arranged at one end, far away from the single chip microcomputer 12, in the installation bin 1;
the air inlet adjusting component 7 comprises an auxiliary fan 701, a louver 702, an air inlet groove 703, a connecting rod 704, a large mounting rack 705 and a spring 706, wherein the air inlet groove 703 is formed in one end of the mounting bin 1 far away from the single chip microcomputer 12, the louver 702 is arranged on the inner side of the air inlet groove 703, the spring 706 is hinged to the middle position of one end of the louver 702 close to the first battery access port 11, one end of the spring 706 far away from the louver 702 is hinged to the inner wall of the mounting bin 1, the large mounting rack 705 is mounted at the middle position of the top of one end of the mounting bin 1 far away from the air inlet groove 703, the auxiliary fan 701 is arranged at the position of the top of the large mounting rack 705 close to the electric fan 2, a group of bottoms of the auxiliary fans 701 are hinged to the connecting rod 704 near the edge, a limiting column which is matched with the connecting rod 704 is mounted at the, the minimum opening size of the shutter 702 is limited when the electric fan 2 does not rotate, one end of the connecting rod 704, which is far away from the large mounting rack 705, is hinged to the middle position of the shutter 702, the shutter 702 has twenty groups of swinging blades, and one end of the middle group of swinging blades of the shutter 702, which is close to the large mounting rack 705, is hinged to one end of the connecting rod 704, which is far away from the large mounting rack 705, so that the shutter 702 is pulled to open and close through the connecting rod 704, and the size of an air inlet of the air inlet groove 703 is;
the automatic power-off assembly 9 comprises a U-shaped contact piece 901, an installation rod 902, a miniature electric push rod 903 and a sleeve 904, the miniature electric push rod 903 is installed at the other side, close to one end of the single chip microcomputer 12, of the top in the installation bin 1, the installation rod 902 is installed at the output end of the miniature electric push rod 903, the sleeve 904 matched with the installation rod 902 is installed at the end, close to one side of the miniature electric push rod 903, of the inside of the installation bin 1, and the U-shaped contact piece 901 matched with the second arc-shaped contact piece 17 and the first arc-shaped contact piece 19 is installed on the outer side of the.
The working principle is as follows: before use, firstly, a port on the outer side of the first battery access port 11 is electrically connected with a lithium battery pack through a connector, so that the lithium battery pack is respectively and electrically connected with a lithium battery protection plate 5 and a single chip microcomputer 12, when the lithium battery pack needs to be charged, the port on the outer side of the first external port 4 is electrically connected with a charging power supply through the connector, current sequentially passes through the first external port 4, a U-shaped contact piece 901, a second external port 15, the lithium battery protection plate 5, a second battery access port 14 and the first battery access port 11 and then enters the lithium battery pack, in the process, the lithium battery protection plate 5 detects the overvoltage, undervoltage, overcurrent, short circuit and over-temperature states of each single battery in the battery pack, certain heat can be generated in the working process of the lithium battery protection plate 5, the temperature condition inside the installation bin 1 is accurately known by using a temperature sensor 10, when the temperature of the environment inside, the electric fan 2 is controlled to rotate by the singlechip 12, the higher the temperature is, the faster the rotating speed of the electric fan 2 is, at the moment, when the air in the installation bin 1 is discharged to the external environment through the installation bin 1, the flowing air can give certain rotating force to the auxiliary fan 701 when passing through a plurality of groups of auxiliary fans 701, the auxiliary fans 701 can pull the connecting rods 704 so that the shutters 702 are gradually pulled open, the distance between the swing blades of the shutters 702 is increased, the stress of the springs 706 is shortened, the external air can be blown into the installation bin 1 more quickly, the surface of the lithium battery protection plate 5 is blown to reduce the temperature, when the temperature sensor 10 detects that the temperature in the installation bin 1 is reduced to a proper range, the temperature is fed back to the singlechip 12, the electric fan 2 is controlled to reduce the rotating speed or stop rotating by the singlechip 12, the rotating force of the auxiliary fans 701 is reduced at the moment, and the elastic restoring force of the shutters 702 is generated, the distance between the multiple groups of oscillating blades is gradually reduced, so that the amount of dust entering the interior of the installation bin 1 in the external environment is reduced to a certain extent; when the lithium battery protection board 5 detects that each single battery in the lithium battery pack is in an overvoltage, undervoltage, overcurrent, short circuit or overtemperature state, the lithium battery protection board 5 transmits detected information to the single chip microcomputer 12, if the detected numerical value exceeds a preset numerical value range, the single chip microcomputer 12 controls the extension of the micro electric push rod 903 to push the mounting rod 902 to move, so that two groups of second arc-shaped contact pieces 17 and first arc-shaped contact pieces 19 connected through the U-shaped contact pieces 901 are forced to be in direct and indirect contact, and the electric connection between an external power supply and the lithium battery pack is thoroughly cut off; when installation storehouse 1 receives the collision, installation storehouse 1 can play certain guard action to lithium battery protection board 5, appear damaging when needing to be changed at lithium battery protection board 5, can directly pull down four sets of fixing bolt 6, then take away lithium battery protection board 5 from the interior bottom in installation storehouse 1, a set of lithium battery protection board 5 that renews again, and again through fixing bolt 6 with this set of lithium battery protection board 5 and installation storehouse 1 fixed connection come.
Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a lithium cell protection shield controlling means, includes installation storehouse (1), its characterized in that: install motor fan (2) at the intermediate position department at installation storehouse (1) top, lithium battery protection board (5) are installed to the bottom of installation storehouse (1) inboard, and the intermediate position department of lithium battery protection board (5) top one side installs second battery and inserts mouth (14), the intermediate position department of lithium battery protection board (5) top opposite side installs the outer interface of second (15), the outer interface of second (15) and second battery insert mouth (14) one side symmetry of keeping away from each other are provided with two sets of second arc contact piece (17), the intermediate position department that installation storehouse (1) is close to second battery and inserts mouth (14) one side is provided with first battery and inserts mouth (11), the intermediate position department that installation storehouse (1) is close to the outer interface of second (15) one side is provided with first external tapping (4), and one side symmetry that first external tapping (4) and first battery (11) are close to each other is provided with two sets of and second arc contact piece symmetry (17) The battery protection device comprises first arc-shaped contact pieces (19) which are matched with each other, a single chip microcomputer (12) is installed at one end, close to one side of a first battery access port (11), of the top in an installation bin (1), a small installation frame (8) is installed at the middle position, close to the other side of one end of the single chip microcomputer (12), of the interior of the installation bin (1), a temperature sensor (10) is installed at the position, close to the middle of the installation bin (1), of the top of the small installation frame (8), an automatic power-off assembly (9) which is matched with a second arc-shaped contact piece (17) and the first arc-shaped contact piece (19) is arranged at one side, far away from the single chip microcomputer (12), of the interior of the installation bin (1) is provided with an;
the air inlet adjusting component (7) comprises an auxiliary fan (701), a blind window (702), an air inlet groove (703), a connecting rod (704), a large mounting rack (705) and a spring (706), wherein the air inlet groove (703) is formed in one end, far away from the single chip microcomputer (12), of the mounting bin (1), the blind window (702) is arranged on the inner side of the air inlet groove (703), the spring (706) is hinged to the middle position, close to one end of the first battery access port (11), of the inside of the blind window (702), one end, far away from the blind window (702), of the spring (706) is hinged to the inner wall of the mounting bin (1), the large mounting rack (705) is mounted at the middle position, far away from the top of the air inlet groove (703), the auxiliary fan (701) is arranged at the position, close to the electric fan (2), of the top of the large mounting rack (705), and the connecting rod (704) is hinged to the, one end of the connecting rod (704) far away from the large mounting rack (705) is hinged with the middle position of the shutter (702);
automatic outage subassembly (9) are including U type contact piece (901), installation pole (902), miniature electric putter (903) and sleeve pipe (904), miniature electric putter (903) are installed to the opposite side that the top is close to singlechip (12) one end in installation storehouse (1), and the output of miniature electric putter (903) installs installation pole (902), the inside one end that is close to miniature electric putter (903) one side in installation storehouse (1) is installed and install sleeve pipe (904) of mutually supporting with installation pole (902), two sets of U type contact pieces (901) of mutually supporting with second arc contact piece (17) and first arc contact piece (19) are installed in the outside of installation pole (902).
2. The lithium battery protection panel control device as claimed in claim 1, wherein: the one end of installation storehouse (1) is provided with filter screen subassembly (3), and the fixed plate is installed at the both ends of filter screen subassembly (3), and the fixed plate is close to the one end and the installation storehouse (1) fixed connection in installation storehouse (1), filter screen subassembly (3) pass through screw and fixed plate fixed connection.
3. The lithium battery protection panel control device as claimed in claim 1, wherein: fixing holes (16) have all been seted up to the four corners position department at lithium battery protection board (5) top, the four corners position department of bottom is provided with screw hole (18) corresponding with fixing hole (16) in installation bin (1), and the inboard common screw thread of a set of screw hole (18) and fixing hole (16) that correspond installs fixing bolt (6), lithium battery protection board (5) are through the cooperation and installation bin (1) fixed connection of fixing bolt (6), fixing hole (16) and screw hole (18).
4. The lithium battery protection panel control device as claimed in claim 1, wherein: the single chip microcomputer (12) is electrically connected with the electric fan (2), the miniature electric push rod (903) and the temperature sensor (10) through wires, and the single chip microcomputer (12) is electrically connected with the output end of the external lithium battery pack through the first arc-shaped contact piece (19), the first battery access port (11) and the wires.
5. The lithium battery protection panel control device as claimed in claim 1, wherein: one end, far away from the single chip microcomputer (12), of the bottom of the small mounting frame (8) is provided with a heat conduction gasket (13), and the bottom of the heat conduction gasket (13) is tightly attached to the top of the second external interface (15).
6. The lithium battery protection panel control device as claimed in claim 1, wherein: the louver (702) has twenty groups of swinging blades, and one end of the swinging blade in the middle of the louver (702), which is close to the large mounting frame (705), is hinged with one end of the connecting rod (704), which is far away from the large mounting frame (705).
7. The lithium battery protection panel control device as claimed in claim 1, wherein: one side of the first battery access port (11) far away from the installation bin (1) is electrically connected with the lithium battery pack through a wire, and one side of the first external port (4) far away from the installation bin (1) is electrically connected with an output end of an external electric appliance or an external charger through a wire.
8. The lithium battery protection panel control device as claimed in claim 3, wherein: the distance between the bottom of the threaded hole (18) and the bottom end of the mounting bin (1) is larger than the thickness of the lithium battery protection plate (5).
9. The lithium battery protection panel control device as claimed in claim 1, wherein: two groups of first arc-shaped contact pieces (19) on the inner side of the first battery access opening (11) can be in direct contact with two groups of second arc-shaped contact pieces (17) on the second battery access opening (14).
10. The lithium battery protection panel control device as claimed in claim 1, wherein: the middle position of the top of the mounting bin (1) close to one end of the air inlet groove (703) is provided with a limiting column which is matched with the connecting rod (704), and the outer side of the limiting column is sleeved with a rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430195.5A CN112490521A (en) | 2020-12-09 | 2020-12-09 | Lithium battery protection board control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011430195.5A CN112490521A (en) | 2020-12-09 | 2020-12-09 | Lithium battery protection board control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112490521A true CN112490521A (en) | 2021-03-12 |
Family
ID=74939988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011430195.5A Withdrawn CN112490521A (en) | 2020-12-09 | 2020-12-09 | Lithium battery protection board control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112490521A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354886A (en) * | 2022-08-17 | 2022-11-18 | 江苏姑苏净化科技有限公司 | Modular assembly type clean room, purification device and installation and debugging method thereof |
-
2020
- 2020-12-09 CN CN202011430195.5A patent/CN112490521A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115354886A (en) * | 2022-08-17 | 2022-11-18 | 江苏姑苏净化科技有限公司 | Modular assembly type clean room, purification device and installation and debugging method thereof |
| CN115354886B (en) * | 2022-08-17 | 2023-08-18 | 江苏姑苏净化科技有限公司 | Modularized assembled clean room, purifying device and installation and debugging method thereof |
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Application publication date: 20210312 |
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