CN112864544A - Auxiliary device for automatically cutting off circuit during overcharge of lithium battery of communication equipment - Google Patents
Auxiliary device for automatically cutting off circuit during overcharge of lithium battery of communication equipment Download PDFInfo
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- CN112864544A CN112864544A CN202110020203.7A CN202110020203A CN112864544A CN 112864544 A CN112864544 A CN 112864544A CN 202110020203 A CN202110020203 A CN 202110020203A CN 112864544 A CN112864544 A CN 112864544A
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- movably connected
- lithium battery
- air cavity
- explosion
- transmission
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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
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
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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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Abstract
The invention relates to the technical field of communication, and discloses auxiliary equipment for automatically cutting off a circuit when a lithium battery of communication equipment is overcharged, which comprises a mounting seat, the top of the mounting seat is movably connected with a charging contact, the left side of the mounting seat is movably connected with a lifting frame, the bottom of the lifting frame is movably connected with a connecting rod, the bottom of the connecting rod is movably connected with an extrusion spring, the top of the lifting frame is movably connected with a heat conducting wire, the left side of the heat conducting wire is movably connected with an expansion air cavity, the temperature in the mounting seat is continuously increased when the lithium battery is in an overcharged state, thereby increasing the pressure inside the expansion air cavity, the increased pressure can compress the locking spring to drive the self-locking block to move, the lifting frames are simultaneously driven to move in the process of the movement of the supporting rod, the lithium battery can be separated from the charging contact under the common movement of the two lifting frames, therefore, the effect of automatically disconnecting the power supply to prevent the lithium battery from being damaged and exploded when overcharging occurs is achieved.
Description
Technical Field
The invention relates to the technical field of communication, in particular to an auxiliary device for automatically cutting off a circuit when a lithium battery of communication equipment is overcharged.
Background
With the development of communication technology, people's life is more and more convenient, and nowadays people can have a video chat with relatives and friends far away from thousands of miles, and can also enjoy the beauty of space at home, and the realization of all this is not supported by communication equipment on the basis of the development of communication technology.
The mobile phone is one of communication devices which are most frequently used by people, the lithium battery is not used in the normal use of the mobile phone, the mobile phone can provide power for the mobile phone, people need to charge the lithium battery after the lithium battery is discharged, explosion or fire is easily caused if the lithium battery is continuously charged after the lithium battery is fully charged, at present, some manufacturers install overcharge protection chips, and when the chips are invalid, damage to people can be caused once the chips are invalid.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and an auxiliary device for automatically cutting off a circuit when a lithium battery of a communication device is overcharged is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides auxiliary equipment for automatically cutting off a circuit when a lithium battery of communication equipment is overcharged, which has the advantages of automatically cutting off a power supply to prevent the lithium battery from being damaged and exploded when overcharging occurs and automatically generating a protective bag to prevent people from being injured by explosion when the lithium battery has explosion risks, and solves the problems that the traditional lithium battery has no effective charging protection mechanism and is easy to cause personnel injury once explosion occurs.
(II) technical scheme
In order to achieve the purposes of automatically disconnecting the power supply to prevent the lithium battery from being damaged and exploded when overcharging occurs and automatically generating a protective bag to prevent the lithium battery from exploding and injuring people when the lithium battery has explosion risks, the invention provides the following technical scheme: an auxiliary device for automatically cutting off a circuit when overcharging a lithium battery of communication equipment comprises a mounting seat, wherein the top of the mounting seat is movably connected with a charging contact, the left side of the mounting seat is movably connected with a lifting frame, the bottom of the lifting frame is movably connected with a connecting rod, the bottom of the connecting rod is movably connected with an extrusion spring, the top of the lifting frame is movably connected with a heat conducting wire, the left side of the heat conducting wire is movably connected with an expansion air cavity, the upper end and the lower end of the expansion air cavity are movably connected with a transmission piston, the bottom of the transmission piston is movably connected with a supporting rod, the bottom of the supporting rod is movably connected with a self-locking block, the bottom of the self-locking block is movably connected with a locking spring, the left side and the right side of the locking spring are movably connected with fastening blocks, the explosion-proof piston is characterized in that the top of the explosion-proof piston is movably connected with an explosion-proof spring, the right side of the explosion-proof spring is movably connected with a transmission air cavity, and the bottom of the transmission air cavity is movably connected with a protective air bag.
Preferably, the diameter of the transmission piston is consistent with that of the inner wall of the expansion air cavity, and the expansion air cavity is in sliding connection with the transmission piston.
Preferably, the left side and the right side of the self-locking block are both provided with a fastening groove, and the shape and the size of the fastening groove are consistent with those of the fastening block.
Preferably, the left ends of the lifting frames are movably connected with the right ends of the supporting rods, and the distance between the two lifting frames is consistent with the width of the lithium battery.
Preferably, the central axis of the locking spring and the central axes of the transmission piston, the support rod and the self-locking block are in the same straight line.
Preferably, the number of the heat conducting wires is two, and the heat conducting wires are symmetrically distributed at the left end and the right end of the mounting seat.
(III) advantageous effects
Compared with the prior art, the invention provides auxiliary equipment for automatically cutting off a circuit when a lithium battery of communication equipment is overcharged, and the auxiliary equipment has the following beneficial effects:
1. the auxiliary equipment for automatically cutting off the circuit during overcharge of the lithium battery of the communication equipment is characterized in that the lithium battery is placed in the mounting seat when in use, external current flows into the lithium battery through the charging contact when normal charge is carried out, the overcharge chip automatically disconnects the lithium battery from the charging contact when the lithium battery is fully charged, when the overcharge chip fails, the external current continuously flows into the lithium battery through the charging contact at the moment, so that the lithium battery is always in an overcharged state, the temperature in the mounting seat continuously rises at the moment, the raised temperature is conducted into the expansion air cavity through the heat conducting wire, the gas in the expansion air cavity thermally expands at the moment, the pressure in the expansion air cavity is increased, the increased pressure exerts downward thrust on the transmission piston, the thrust acts on the locking spring through the supporting rod, and finally the locking spring is compressed to deform and then drive the self-locking block to move, the crane motion can be driven simultaneously at the in-process of bracing piece motion, the crane motion can be exerted and take place deformation for a decurrent pressure of connecting rod, this pressure final compression extrusion spring makes it take place, so the volume of lithium cell can expand gradually because the temperature rise in the mount pad this moment, this moment can make lithium cell and the separation of charging contact under two common motions of locking spring, thereby make the lithium cell outage, and this moment the dead lock piece just moves the central axis of the fastening groove of seting up to its outside and the central axis of fastening block is same straight line, the fastening block contacts with the dead lock piece under the effect of holding power spring this moment, thereby prevent the resilience of locking spring, make the lithium cell keep the state of outage always, thereby reached when taking place the overcharge automatic power supply that breaks off and prevents the impaired explosion effect of lithium cell.
2. This communications facilities lithium cell is with auxiliary assembly of automatic cutout circuit when overcharging, temperature through along with the lithium cell when using risees gradually, the pressure in the inflation air cavity increases gradually, thereby make and apply the pressure increase on explosion-proof spring, and final compression explosion-proof spring makes it take place to drive explosion-proof piston motion after deformation, explosion-proof piston motion can make the inside air of transmission air cavity receive the extrusion, thereby make the air in the transmission air cavity flow into in the protection gasbag, protection gasbag takes place the inflation formation protection bag under the inside air inflow of transmission air cavity this moment, thereby reached when the lithium cell has the explosion risk automatic generation protection bag prevent the effect of explosion injury people.
Drawings
FIG. 1 is a schematic view of a mounting base according to the present invention;
FIG. 2 is a schematic view of a charging contact according to the present invention;
FIG. 3 is a schematic view of the drive piston configuration of the present invention;
FIG. 4 is a schematic view of the explosion-proof spring structure of the present invention;
fig. 5 is a schematic structural view of the fastening block of the present invention.
In the figure: 1. a mounting seat; 2. a charging contact; 3. a lifting frame; 4. a connecting rod; 5. a compression spring; 6. heat conducting wires; 7. an expansion air cavity; 8. a drive piston; 9. a support bar; 10. a self-locking block; 11. a locking spring; 12. a fastening block; 13. a power storage spring; 14. a transmission rod; 15. an explosion-proof piston; 16. an explosion-proof spring; 17. a transmission air cavity; 18. protecting the air bag.
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. 1-5, an auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device comprises a mounting base 1, the top of the mounting base 1 is movably connected with a charging contact 2, the left side of the mounting base 1 is movably connected with a lifting frame 3, the bottom of the lifting frame 3 is movably connected with a connecting rod 4, the bottom of the connecting rod 4 is movably connected with an extrusion spring 5, the top of the lifting frame 3 is movably connected with two heat conducting wires 6, the two heat conducting wires 6 are symmetrically distributed at the left end and the right end of the mounting base 1, the left side of the heat conducting wire 6 is movably connected with an expansion air cavity 7, the upper end and the lower end of the expansion air cavity 7 are movably connected with a transmission piston 8, the diameter of the transmission piston 8 is consistent with the diameter of the inner wall of the expansion air cavity 7, the expansion air cavity 7 is slidably connected with the transmission piston 8, and the distance between two erectors 3 is the same with the width size of lithium cell, bracing piece 9 bottom swing joint has from locking piece 10, from locking piece 10 bottom swing joint has locking spring 11, the central axis of locking spring 11 and transmission piston 8, bracing piece 9, the central axis of locking piece 10 are the same straight line, the equal swing joint in both sides has fastening block 12 about locking spring 11, the left and right sides of locking piece 10 all begins to have the fastening groove, and this fastening groove is unanimous with the shape size of fastening block 12, fastening block 12 left side swing joint has power storage spring 13, transmission piston 8 top swing joint has transfer line 14, transfer line 14 top swing joint has explosion-proof piston 15, explosion-proof piston 15 top swing joint has explosion-proof spring 16, explosion-proof spring 16 right side swing joint has transmission air cavity 17, transmission air cavity 17 bottom swing joint has protection gasbag 18.
The working principle is as follows: the auxiliary equipment for automatically cutting off the circuit during overcharge of the lithium battery of the communication equipment is characterized in that the lithium battery is placed in a mounting seat 1 during use, external current flows into the lithium battery through a charging contact 2 during normal charge, an overcharge chip automatically disconnects the lithium battery from the charging contact 2 when the lithium battery is fully charged, when the overcharge chip fails, the external current continuously flows into the lithium battery through the charging contact 2 at the moment, so that the lithium battery is always in an overcharged state, the temperature in the mounting seat 1 continuously rises at the moment, the raised temperature is transmitted into an expansion air cavity 7 through a heat conducting wire 6, gas in the expansion air cavity 7 thermally expands at the moment, the pressure in the expansion air cavity 7 is increased, the increased pressure exerts downward thrust on a transmission piston 8, the thrust acts on a locking spring 11 through a support rod 9, and finally the locking spring 11 is compressed to deform and then drive a self-locking block 10 to move, the crane 3 motion can be driven simultaneously in the process of bracing piece 9 motion, crane 3 motion can be exerted and take place a decurrent pressure for connecting rod 4, this pressure finally compresses extrusion spring 5 and makes it take place deformation, because the volume of lithium cell can expand gradually so that the temperature rise in mount pad 1 this moment, this moment can make lithium cell and charging contact 2 separate under two locking spring 11 common motions, thereby make the lithium cell outage, and this moment from the central axis that locking block 10 just moved the fastening groove of seting up to its outside and the central axis of fastening block 12 be same straight line, fastening block 12 contacts with self-locking block 10 under the effect of holding power spring 13 this moment, thereby prevent the resilience of locking spring 11, make the lithium cell keep the state of outage always, thereby reached when taking place the overcharge automatic power off and prevented the impaired explosion effect of lithium cell, the main driving force of the device is derived from the heat energy generated when the lithium battery is overcharged, the lithium battery can be effectively prevented from being damaged, the risk of property loss of people is reduced, and the device is more energy-saving and environment-friendly.
This communications facilities lithium cell is with auxiliary assembly of automatic cutout circuit when overcharging, along with the temperature of lithium cell risees gradually when using, the pressure in inflation air cavity 7 increases gradually, thereby make and apply the pressure increase on explosion-proof spring 16, and final compression explosion-proof spring 16 makes it take place to drive explosion-proof piston 15 motion after the deformation, explosion-proof piston 15 motion can make the inside air of transmission air cavity 17 receive the extrusion, thereby make the air in transmission air cavity 17 flow into in the protection gasbag 18, protection gasbag 18 takes place the inflation formation protection bag under the inside air inflow of transmission air cavity 17 this moment, thereby reached when the lithium cell has explosion risk the effect that the people was prevented to the explosion-proof protection bag of automatic generation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an auxiliary assembly of automatic cutout circuit when overcharging for communication equipment lithium cell, includes mount pad (1), its characterized in that: the top of the mounting seat (1) is movably connected with a charging contact (2), the left side of the mounting seat (1) is movably connected with a lifting frame (3), the bottom of the lifting frame (3) is movably connected with a connecting rod (4), the bottom of the connecting rod (4) is movably connected with an extrusion spring (5), the top of the lifting frame (3) is movably connected with a heat conducting wire (6), the left side of the heat conducting wire (6) is movably connected with an expansion air cavity (7), the upper end and the lower end of the expansion air cavity (7) are both movably connected with a transmission piston (8), the bottom of the transmission piston (8) is movably connected with a support rod (9), the bottom of the support rod (9) is movably connected with a self-locking block (10), the bottom of the self-locking block (10) is movably connected with a locking spring (11), the left side and right side of the locking spring (11), the anti-explosion device is characterized in that a transmission rod (14) is movably connected to the top of the transmission piston (8), an anti-explosion piston (15) is movably connected to the top of the transmission rod (14), an anti-explosion spring (16) is movably connected to the top of the anti-explosion piston (15), a transmission air cavity (17) is movably connected to the right side of the anti-explosion spring (16), and a protection air bag (18) is movably connected to the bottom of the transmission air cavity (17).
2. The auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device according to claim 1, wherein: the diameter of the transmission piston (8) is consistent with that of the inner wall of the expansion air cavity (7), and the expansion air cavity (7) is in sliding connection with the transmission piston (8).
3. The auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device according to claim 1, wherein: fastening grooves are formed in the left side and the right side of the self-locking block (10), and the shape and the size of the fastening grooves are consistent with those of the fastening block (12).
4. The auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device according to claim 1, wherein: the left end of the lifting frame (3) is movably connected with the right end of the supporting rod (9), and the distance between the two lifting frames (3) is consistent with the width of the lithium battery.
5. The auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device according to claim 1, wherein: the central axis of the locking spring (11) and the central axes of the transmission piston (8), the supporting rod (9) and the self-locking block (10) are in the same straight line.
6. The auxiliary device for automatically cutting off a circuit during overcharge for a lithium battery of a communication device according to claim 1, wherein: the number of the heat conducting wires (6) is two, and the heat conducting wires are symmetrically distributed at the left end and the right end of the mounting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020203.7A CN112864544A (en) | 2021-01-07 | 2021-01-07 | Auxiliary device for automatically cutting off circuit during overcharge of lithium battery of communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110020203.7A CN112864544A (en) | 2021-01-07 | 2021-01-07 | Auxiliary device for automatically cutting off circuit during overcharge of lithium battery of communication equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112864544A true CN112864544A (en) | 2021-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110020203.7A Withdrawn CN112864544A (en) | 2021-01-07 | 2021-01-07 | Auxiliary device for automatically cutting off circuit during overcharge of lithium battery of communication equipment |
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|---|---|
| CN (1) | CN112864544A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346203A (en) * | 2021-08-06 | 2021-09-03 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN114976524A (en) * | 2022-06-17 | 2022-08-30 | 上海申传电气股份有限公司 | High-capacity high-voltage lithium ion storage battery power supply for explosion-proof mine car |
-
2021
- 2021-01-07 CN CN202110020203.7A patent/CN112864544A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113346203A (en) * | 2021-08-06 | 2021-09-03 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN113346203B (en) * | 2021-08-06 | 2021-10-29 | 新乡市弘力电源科技有限公司 | Soft package lithium manganate battery with overcharge prevention function |
| CN114976524A (en) * | 2022-06-17 | 2022-08-30 | 上海申传电气股份有限公司 | High-capacity high-voltage lithium ion storage battery power supply for explosion-proof mine car |
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Application publication date: 20210528 |