Three-section intelligent lithium ion battery charger

Abstract

The invention provides a three-section type intelligent lithium ion battery charger, and relates to the technical field of lithium ion battery chargers. The three-section type intelligent lithium ion battery charger comprises a charger body, the outer wall of the charger body is provided with a display lamp body, and the outer wall of the charger body is fixedly connected with a connecting plug through a data line. In order to improve the use exclusiveness of the lithium battery charger, improve the safe use performance of the lithium battery charger, reduce the randomness that the lithium battery charger can be used by any person and improve the use intelligence of the lithium battery charger, the fingerprint identification area and the fingerprint database are arranged, so that when the lithium battery charger needs to be used, the fingerprint identification area and the fingerprint database are arranged; the first bolt is rotated, under the limiting effect of the first nut, the first bolt slides out of the inner wall of the clamping groove, the protection plate is rotated, the fingerprint recognition area is exposed outside, fingerprint recognition operation is achieved, and the function of intelligent unlocking use of the charger is achieved.

Description

Technical Field

[0001] This invention relates to the field of lithium-ion battery charger technology, and more particularly to a three-stage intelligent lithium-ion battery charger. Background Technology

[0002] Lithium-ion batteries have high energy-to-weight ratio and energy-to-volume ratio, no memory effect, can be recharged multiple times, have a long service life, and are becoming increasingly cheaper. These characteristics of lithium-ion batteries have promoted the development of portable products towards smaller and lighter designs, resulting in more and more products using single-cell lithium-ion batteries for power. HME lithium-ion battery chargers are widely used in the fields of military, scientific research, resource exploration, medical instruments, ultrasonic flaw detection instruments, film and television cameras, digital communications, digital electronics, solar power plants, walkie-talkies, and personal computers, among other portable electronic instruments.

[0003] While existing lithium battery chargers can charge lithium batteries relatively well, they suffer from several drawbacks. Anyone can use the charger, and fingerprint recognition is ineffective, reducing security and user privacy. Although chargers dissipate heat effectively during prolonged use, their heat recovery and utilization efficiency is low, resulting in inadequate internal preheating. This leads to slow response times, increased energy consumption, and reduced charging efficiency in cold weather. Furthermore, lithium battery chargers are not shockproof, making them susceptible to impacts and shortening their lifespan. Summary of the Invention

[0004] This invention provides a three-stage intelligent lithium-ion battery charger to address the issues raised in the background art, such as the possibility that anyone can use the charger, poor fingerprint recognition performance, reduced safety and exclusivity, and the fact that while the charger can effectively dissipate heat during prolonged use, its heat recovery and utilization efficiency is low, resulting in slow charger response when using lithium batteries in cold weather.

[0005] This invention provides a three-section intelligent lithium-ion battery charger, including a charger body, an indicator light body on the outer wall of the charger body, a connector plug fixedly connected to the outer wall of the charger body via a data cable, heat dissipation holes on the side wall of the charger body, a fingerprint recognition frame fixedly connected to the outer wall of the charger body, a fingerprint recognition area inside the fingerprint recognition frame, a protective cover rotatably connected to the outer wall of the fingerprint recognition frame, a first nut on the outer wall of the fingerprint recognition frame, a first bolt threadedly connected to the inner wall of the first nut and slidably connected to the outer wall of the protective cover, and a slot provided at the connection between the outer wall of the protective cover and the first bolt;

[0006] The outer wall of the heat dissipation hole is fitted with a collection frame that is fixedly connected to the side wall of the charger body. A protective plate is rotatably connected to the outer wall of the collection frame. A conveying pipe is fixedly connected to the outer wall of the collection frame through a conveying pump. A drying box is fixedly connected to one end of the conveying pipe. An electrostatic dust removal box is fixedly connected to the outer wall of the drying box through a connecting pipe. An insulation box is fixedly connected to one side of the electrostatic dust removal box through a connecting pipe. An air supply pipe that communicates with the inside of the charger body is fixedly connected to the outer wall of the insulation box.

[0007] Preferably, the charger body has a fingerprint database that is electrofused to the fingerprint recognition area, and the charger body has a multi-source sensing module for collecting voltage, current, temperature and impedance spectrum.

[0008] Preferably, the charger body is equipped with an adaptive control module for dynamically adjusting the CC current, CV voltage and cutoff current according to the SOH, and the charger body is equipped with a lithium plating monitoring unit for detecting sudden lithium plating.

[0009] Preferably, the heat dissipation holes and the collection frame are arranged in a one-to-one correspondence, the inside of the heat preservation box is provided with heat insulation cotton, and the outer wall of the gas supply pipe is provided with a control valve.

[0010] Preferably, a silicone sleeve is fitted onto the outer wall of the charger body, and a plug rod that is inserted into the side wall of the charger body is fixedly connected to the outer wall of the silicone sleeve. A connecting gear is rotatably connected to the side wall of the charger body, and a sliding toothed plate is meshed on the outer wall of the connecting gear. A sliding latch rod that is slidably connected to the side wall of the charger body is fixedly connected to the outer wall of the sliding toothed plate.

[0011] Preferably, the sliding lever and the plug are slidably connected, the outer wall of the plug and the connection part of the sliding lever are provided with an installation groove, the side wall of the charger body and the connection part of the plug are provided with a slot, two sets of silicone sleeves are provided, the positions of the two sets of silicone sleeves are symmetrical about the central axis of the charger body, and the outer wall contour of the connection part of the silicone sleeve and the charger body is I-shaped.

[0012] Preferably, two sets of sliding toothed plates are provided, and the positions of the two sets of sliding toothed plates are equidistant from the rotation center of the connecting gear. A fixing groove is provided at the connection between the side wall of the charger body and the sliding lever. A rotating rod is fixedly connected to the rotation center of the connecting gear through a rotating shaft. A second nut is provided on the outer wall of the rotating rod. A second bolt that is slidably connected to the side wall of the charger body is threaded onto the inner wall of the second nut. A positioning groove distributed in an annular pattern is provided at the connection between the side wall of the charger body and the second bolt.

[0013] Preferably, the outer wall of the connector plug is detachably connected to a connector frame, the outer wall of the connector frame is rotatably connected to a threaded rod, one end of the threaded rod is fixedly connected to a knob, the outer wall of the threaded rod is threadedly connected to a threaded slider that is slidably connected to the outer wall of the connector frame, the outer wall of the threaded slider is slidably connected to a swing rod that is rotatably connected to the outer wall of the connector frame, and the rotation center of the swing rod is fixedly connected to a protective cover via a rotating shaft.

[0014] Preferably, there are two sets of threaded rods, and the two sets of threaded rods rotate in opposite directions. The outer wall of the connecting frame and the connection part of the threaded slider are provided with a telescopic groove.

[0015] Preferably, a limiting groove is provided at the connection between the outer wall of the swing rod and the threaded slider, two sets of protective covers are provided, the two sets of protective covers rotate in opposite directions, a third nut is provided on the outer wall of the connecting frame, and a third bolt is threadedly connected to the inner wall of the third nut.

[0016] Beneficial effects:

[0017] While existing lithium battery chargers can charge lithium batteries relatively well, they are susceptible to being used by anyone. Fingerprint recognition on these chargers is ineffective, reducing security and user privacy. Furthermore, while they dissipate heat effectively during prolonged use, their heat recovery and utilization are inefficient, resulting in slow response times, increased energy consumption, and reduced charging efficiency, especially in cold weather. Additionally, their poor shock resistance makes them prone to impacts, shortening their lifespan.

[0018] 1. In order to improve the exclusivity and safety of lithium battery chargers, reduce the arbitrariness of anyone using them, and enhance their intelligence, this invention, through the setting of a fingerprint recognition area and a fingerprint database, allows the first bolt to slide out from the inner wall of the slot when the lithium battery charger needs to be used. This is achieved by rotating the first bolt, which, under the limiting action of the first nut, rotates the protective plate, exposing the fingerprint recognition area and enabling fingerprint recognition for intelligent unlocking of the charger.

[0019] 2. In order to improve the heat recovery and utilization effect of the charger during daily use and improve the preheating effect of the charger in cold air, the present invention uses a collection frame fitted onto the outer wall of the heat dissipation hole and connected by a conveying pipe to transfer heat to the drying box and electrostatic dust removal box to remove and purify the moisture and impurities carried by the heat. The purified heat is then transferred to the insulation box and transported to the charger through the air supply pipe to preheat the charger for use.

[0020] 3. In order to improve the drop protection effect of the charger during daily use, the plug is inserted into the slot, so that the silicone sleeve is fitted onto the outer wall of the charger. Rotating the rotating rod drives the connecting gear to rotate synchronously. The rotation of the connecting gear, through the connection of the sliding tooth plate, drives the sliding latch to slide along the inner wall of the fixing groove, so that the sliding latch is inserted into the mounting groove, achieving the effect of interlocking and fixing the silicone sleeve, making the charger I-shaped, and achieving the effect of all-round drop protection for the charger.

[0021] 4. In use, to improve the shielding and protection of the connection part of the connector plug in rainy weather, the connector bracket is installed on the outer wall of the connector plug by the third bolt. Rotating the knob causes the threaded rod to slide along the outer wall of the connector bracket and along the inner wall of the limiting groove. At the same time, the swing rod is rotated, which causes the protective cover to rotate relative to each other, thus achieving the effect of convenient shielding and protection of the connector part of the plug.

[0022] The above description is merely an overview of the technical solutions of the embodiments of the present invention. In order to better understand the technical means of the embodiments of the present invention and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments will be briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of a three-section intelligent lithium-ion battery charger according to the present invention.

[0025] Figure 2 This is a schematic diagram of the overall structure of a three-section intelligent lithium-ion battery charger according to the present invention from another direction.

[0026] Figure 3 This is a schematic diagram of the fingerprint recognition frame position structure of a three-segment intelligent lithium-ion battery charger according to the present invention.

[0027] Figure 4 This is a schematic diagram of the fingerprint recognition area distribution structure of a three-segment intelligent lithium-ion battery charger according to the present invention.

[0028] Figure 5 This is a schematic diagram of the positional distribution of the first bolt and the first nut in a three-section intelligent lithium-ion battery charger according to the present invention.

[0029] Figure 6 This is a schematic diagram of the collection frame position distribution structure of a three-section intelligent lithium-ion battery charger according to the present invention.

[0030] Figure 7 This is a schematic diagram of the connection structure between the plug and the charger body of a three-section intelligent lithium-ion battery charger according to the present invention.

[0031] Figure 8 This is a schematic diagram of the slot location distribution structure of a three-segment intelligent lithium-ion battery charger according to the present invention.

[0032] Figure 9 This is a schematic diagram of the mounting slot distribution structure of a three-section intelligent lithium-ion battery charger according to the present invention.

[0033] Figure 10 This is a schematic diagram of the connection structure between the threaded slider and the swing rod of a three-section intelligent lithium-ion battery charger according to the present invention.

[0034] Figure 11 This is an exploded view of the connection structure of the connector frame and connector plug of a three-section intelligent lithium-ion battery charger according to the present invention.

[0035] Figure 12 This invention relates to a three-segment intelligent lithium-ion battery charger. Figure 8A magnified structural diagram at point A in the diagram.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Charger body; 2. Indicator light body; 3. Connecting plug; 4. Heat dissipation hole; 5. Fingerprint recognition frame; 6. Fingerprint recognition area; 7. Protective cover; 8. First nut; 9. First bolt; 10. Card slot; 11. Collection box; 12. Protective plate; 13. Conveying pipe; 14. Drying box; 15. Electrostatic dust removal box; 16. Insulation box; 17. Gas supply pipe; 18. Silicone sleeve; 19. Insert rod; 20. Slot; 21. Rotating rod; 22. Second nut; 23. Second bolt; 24. Positioning slot; 25. Connecting gear; 26. Sliding toothed plate; 27. Sliding locking rod; 28. Fixing slot; 29. ​​Mounting slot; 30. Connecting bracket; 31. Third nut; 32. Third bolt; 33. Threaded rod; 34. Knob; 35. Threaded slider; 36. Swing rod; 37. Limiting slot; 38. Protective cover. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to limit the invention; the terms “comprising” and “having”, and any variations thereof, in the description, claims and drawings of this invention are intended to cover non-exclusive inclusion.

[0040] The term "embodiment" as used herein means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of the invention. The appearance of the phrase "embodiment" in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0041] The directional terms appearing in the following description refer to the directions shown in the figures and are not intended to limit the specific structure of the present invention. For example, in the description of the present invention, terms such as "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the figures. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the present invention.

[0042] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" of a mechanical structure can refer to a physical connection. A physical connection can be a fixed connection, such as a connection secured by fasteners, such as screws, bolts, or other fasteners; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0043] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

[0044] This invention provides, for example Figure 1-12 The three-section intelligent lithium-ion battery charger shown includes a charger body 1, an indicator light body 2 on the outer wall of the charger body 1, a connector plug 3 fixedly connected to the outer wall of the charger body 1 via a data cable, heat dissipation holes 4 on the side wall of the charger body 1, a fingerprint recognition frame 5 fixedly connected to the outer wall of the charger body 1, a fingerprint recognition area 6 inside the fingerprint recognition frame 5, a protective cover 7 rotatably connected to the outer wall of the fingerprint recognition frame 5, a first nut 8 on the outer wall of the fingerprint recognition frame 5, a first bolt 9 threadedly connected to the inner wall of the first nut 8 and slidably connected to the outer wall of the protective cover 7, and a slot 10 at the connection between the outer wall of the protective cover 7 and the first bolt 9.

[0045] A collection frame 11 is fitted onto the outer wall of the heat dissipation hole 4 and is fixedly connected to the side wall of the charger body 1. A protective plate 12 is rotatably connected to the outer wall of the collection frame 11. A conveying pipe 13 is fixedly connected to the outer wall of the collection frame 11 via a conveying pump. A drying box 14 is fixedly connected to one end of the conveying pipe 13. An electrostatic dust removal box 15 is fixedly connected to the outer wall of the drying box 14 via a connecting pipe. An insulation box 16 is fixedly connected to one side of the electrostatic dust removal box 15 via a connecting pipe. An air supply pipe 17, which communicates with the inside of the charger body 1, is fixedly connected to the outer wall of the insulation box 16.

[0046] The charger body 1 has a fingerprint database that is electrofused to the fingerprint recognition area 6. The charger body 1 also has a multi-source sensing module for collecting voltage, current, temperature and impedance spectrum.

[0047] It is advantageous to have a fingerprint database inside the charger body 1 that is electrofusedly connected to the fingerprint recognition area 6, so as to achieve the effect of identification of the use of lithium battery charger by designated personnel.

[0048] The charger body 1 is equipped with an adaptive control module to dynamically adjust the CC current, CV voltage and cutoff current according to the SOH. The charger body 1 is also equipped with a lithium plating monitoring unit to detect sudden lithium plating.

[0049] The charger body 1 has an adaptive control module inside, which allows for convenient detection of the charger's internal current.

[0050] The heat dissipation holes 4 and the collection frame 11 are set in a one-to-one correspondence. The inside of the heat preservation box 16 is equipped with heat preservation cotton, and the outer wall of the gas supply pipe 17 is equipped with a control valve.

[0051] The one-to-one correspondence between the heat dissipation holes 4 and the collection frame 11 facilitates the multi-functional conversion and utilization of the heat dissipated by the charger.

[0052] The charger body 1 has a silicone sleeve 18 fitted on its outer wall. The outer wall of the silicone sleeve 18 is fixedly connected to a plug rod 19 that is inserted into the side wall of the charger body 1. The side wall of the charger body 1 is rotatably connected to a connecting gear 25. The outer wall of the connecting gear 25 is engaged with a sliding toothed plate 26. The outer wall of the sliding toothed plate 26 is fixedly connected to a sliding latch 27 that is slidably connected to the side wall of the charger body 1.

[0053] The sliding lever 27 and the sliding toothed plate 26 facilitate the cross-locking installation of the silicone sleeve 18.

[0054] The sliding lever 27 and the plug 19 are slidably connected. The outer wall of the plug 19 and the connection part of the sliding lever 27 are provided with an installation groove 29. The side wall of the charger body 1 and the connection part of the plug 19 are provided with a slot 20. Two sets of silicone sleeves 18 are provided. The positions of the two sets of silicone sleeves 18 are symmetrical about the central axis of the charger body 1. The outer wall contour of the connection part between the silicone sleeve 18 and the charger body 1 is I-shaped.

[0055] The I-shaped design of the outer wall of the connection between the silicone sleeve 18 and the charger body 1 helps to achieve all-round drop protection for the lithium battery charger.

[0056] Two sets of sliding toothed plates 26 are provided, and the positions of the two sets of sliding toothed plates 26 are equidistant from the rotation center of the connecting gear 25. A fixing groove 28 is provided at the connection part between the side wall of the charger body 1 and the sliding clamp 27. The rotation center of the connecting gear 25 is fixedly connected to a rotating rod 21 through a rotating shaft. A second nut 22 is provided on the outer wall of the rotating rod 21. A second bolt 23 that is slidably connected to the side wall of the charger body 1 is threaded on the inner wall of the second nut 22. A positioning groove 24 that is distributed in a ring is provided at the connection part between the side wall of the charger body 1 and the second bolt 23.

[0057] It is advantageous to set two sets of sliding toothed plates 26, whose positions are equidistant from the rotation center of the connecting gear 25, so as to achieve the effect of relative sliding of the sliding lever 27.

[0058] The outer wall of the connector plug 3 is detachably connected to a connector frame 30. The outer wall of the connector frame 30 is rotatably connected to a threaded rod 33. One end of the threaded rod 33 is fixedly connected to a knob 34. The outer wall of the threaded rod 33 is threadedly connected to a threaded slider 35 that is slidably connected to the outer wall of the connector frame 30. The outer wall of the threaded slider 35 is slidably connected to a swing rod 36 that is rotatably connected to the outer wall of the connector frame 30. The rotation center of the swing rod 36 is fixedly connected to a protective cover 38 through a rotating shaft.

[0059] The use of the swing arm 36 and the protective cover 38 helps to shield and protect the connector 3 when charging in rainy weather.

[0060] The threaded rod 33 is provided in two sets, and the two sets of threaded rod 33 rotate in opposite directions. The outer wall of the connecting frame 30 and the connection part of the threaded slider 35 are provided with a telescopic groove.

[0061] It is advantageous to set two sets of threaded rods 33 with opposite rotation directions to achieve the effect of driving two sets of swing rods 36 to rotate relative to each other.

[0062] Among them, the outer wall of the swing rod 36 and the connection part of the threaded slider 35 are provided with a limit groove 37, the protective cover 38 is provided with two sets, the two sets of protective covers 38 rotate in opposite directions, the outer wall of the connecting frame 30 is provided with a third nut 31, and the inner wall of the third nut 31 is threadedly connected with a third bolt 32.

[0063] The third bolt 32 allows for the conversion of the connecting bracket 30 to different installation positions.

[0064] Working principle: When using this three-stage intelligent lithium battery charger, firstly, in order to improve the exclusivity and safety of the lithium battery charger, reduce the randomness of anyone using it, and enhance its intelligence, the fingerprint recognition area 6 and fingerprint database are set up so that when the lithium battery charger needs to be used, the first bolt 9 is rotated. Under the limiting action of the first nut 8, the first bolt 9 slides out from the inner wall of the slot 10, and the protective plate 12 is rotated, exposing the fingerprint recognition area 6 to the outside, thereby achieving fingerprint recognition and intelligent unlocking of the charger.

[0065] Next, in order to improve the heat recovery and utilization efficiency of the charger during daily use and enhance the preheating effect of the charger in cold air, the collection frame 11 is fitted onto the outer wall of the heat dissipation hole 4 and connected through the delivery pipe 13, so that the heat is transferred to the drying box 14 and the electrostatic dust removal box 15 to remove and purify the moisture and impurities carried by the heat. The purified heat is then transferred to the insulation box 16 and delivered to the charger through the air supply pipe 17 to preheat the charger for use.

[0066] Next, to improve the charger's drop protection during daily use, the plug 19 is inserted into the slot 20, so that the silicone sleeve 18 fits onto the outer wall of the charger. The rotating rod 21 is rotated, which drives the connecting gear 25 to rotate synchronously. The rotation of the connecting gear 25, through the connection of the sliding tooth plate 26, drives the sliding latch 27 to slide along the inner wall of the fixing groove 28, so that the sliding latch 27 is inserted into the mounting groove 29, achieving the effect of interlocking and fixing the silicone sleeve 18, making the charger in an I-shape, and achieving the effect of all-round drop protection for the charger.

[0067] Next, in order to improve the shielding and protection effect of the connector 3 on the connection part in rainy weather, the connector bracket 30 is installed on the outer wall of the connector 3 by the third bolt 32, and the knob 34 is rotated. The rotation of the threaded rod 33 drives the threaded slider 35 to slide along the outer wall of the connector bracket 30 and along the inner wall of the limiting groove 37. At the same time, the swing rod 36 is rotated. The rotation of the swing rod 36 causes the protective cover 38 to perform a relative flipping motion, so as to achieve the effect of convenient shielding and protection of the connector part.

[0068] Finally, the lithium-ion battery charger, with its external current-limiting power supply and P-channel MOSFET, can safely and effectively fast charge a single lithium-ion battery. Its biggest feature is that it can achieve very low power dissipation without using an inductor. It uses an 8-pin μMAX package, has a charging control accuracy of 0.75%, can pre-charge, and has overvoltage and temperature protection functions. The maximum charging time limit provides secondary protection for the lithium-ion battery. The float charging mode of the lithium-ion battery charger can charge the battery to its maximum capacity.

[0069] When the charging power supply and battery are within the normal operating temperature range, inserting the battery will initiate a charging process. The charging ends when the average pulse charging current reaches 1% of the fast charging current, or when the time exceeds the on-chip preset charging time. The lithium-ion battery charger can automatically detect the charging power supply and automatically shut off when there is no power to reduce battery leakage. After starting fast charging, the external P-type field-effect transistor is turned on. When the battery voltage is detected to reach the set threshold, the pulse charging mode is entered. The time when the P-channel field-effect transistor is turned on will become shorter and shorter. When the charging ends, the LED indicator will flash at a 12% cycle.

[0070] The above-described embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A three-section intelligent lithium-ion battery charger, comprising a charger body (1), characterized in that: The outer wall of the charger body (1) is provided with an indicator light body (2), the outer wall of the charger body (1) is fixedly connected with a connector plug (3) via a data cable, the side wall of the charger body (1) is provided with a heat dissipation hole (4), the outer wall of the charger body (1) is fixedly connected with a fingerprint recognition frame (5), the fingerprint recognition frame (5) is provided with a fingerprint recognition area (6) inside, the outer wall of the fingerprint recognition frame (5) is rotatably connected with a protective cover (7), the outer wall of the fingerprint recognition frame (5) is provided with a first nut (8), the inner wall of the first nut (8) is threadedly connected with a first bolt (9) that is slidably connected to the outer wall of the protective cover (7), and the connection part between the outer wall of the protective cover (7) and the first bolt (9) is provided with a slot (10); The outer wall of the heat dissipation hole (4) is fitted with a collection frame (11) which is fixedly connected to the side wall of the charger body (1). The outer wall of the collection frame (11) is rotatably connected with a protective plate (12). The outer wall of the collection frame (11) is fixedly connected with a conveying pipe (13) through a conveying pump. One end of the conveying pipe (13) is fixedly connected with a drying box (14). The outer wall of the drying box (14) is fixedly connected with an electrostatic dust removal box (15) through a connecting pipe. One side of the electrostatic dust removal box (15) is fixedly connected with a heat preservation box (16) through a connecting pipe. The outer wall of the heat preservation box (16) is fixedly connected with a gas supply pipe (17) that communicates with the inside of the charger body (1).

2. The three-segment intelligent lithium-ion battery charger according to claim 1, characterized in that: The charger body (1) is equipped with a fingerprint database that is electrically fused to the fingerprint recognition area (6). The charger body (1) is also equipped with a multi-source sensing module for collecting voltage, current, temperature and impedance spectrum.

3. A three-segment intelligent lithium-ion battery charger according to claim 1, characterized in that: The charger body (1) is equipped with an adaptive control module for dynamically adjusting the CC current, CV voltage and cutoff current according to the SOH. The charger body (1) is also equipped with a lithium plating monitoring unit for detecting sudden lithium plating.

4. A three-segment intelligent lithium-ion battery charger according to claim 1, characterized in that: The heat dissipation holes (4) and the collection frame (11) are arranged in a one-to-one correspondence. The inside of the heat preservation box (16) is provided with heat preservation cotton, and the outer wall of the gas supply pipe (17) is provided with a control valve.

5. A three-segment intelligent lithium-ion battery charger according to claim 1, characterized in that: The outer wall of the charger body (1) is fitted with a silicone sleeve (18), and the outer wall of the silicone sleeve (18) is fixedly connected to a plug rod (19) that is inserted into the side wall of the charger body (1). The side wall of the charger body (1) is rotatably connected to a connecting gear (25), and the outer wall of the connecting gear (25) is engaged with a sliding toothed plate (26). The outer wall of the sliding toothed plate (26) is fixedly connected to a sliding latch (27) that is slidably connected to the side wall of the charger body (1).

6. A three-segment intelligent lithium-ion battery charger according to claim 5, characterized in that: The sliding lever (27) and the plug (19) are slidably connected. The outer wall of the plug (19) and the connection part of the sliding lever (27) are provided with an installation groove (29). The side wall of the charger body (1) and the connection part of the plug (19) are provided with a slot (20). Two sets of silicone sleeves (18) are provided. The positions of the two sets of silicone sleeves (18) are symmetrical about the central axis of the charger body (1). The outer wall contour of the connection part of the silicone sleeve (18) and the charger body (1) is I-shaped.

7. A three-segment intelligent lithium-ion battery charger according to claim 5, characterized in that: Two sets of sliding toothed plates (26) are provided. The positions of the two sets of sliding toothed plates (26) are equidistant from the rotation center of the connecting gear (25). A fixing groove (28) is provided at the connection between the side wall of the charger body (1) and the sliding lever (27). A rotating rod (21) is fixedly connected to the rotation center of the connecting gear (25) through a rotating shaft. A second nut (22) is provided on the outer wall of the rotating rod (21). A second bolt (23) is threadedly connected to the inner wall of the second nut (22) and slidably connected to the side wall of the charger body (1). A positioning groove (24) is provided at the connection between the side wall of the charger body (1) and the second bolt (23).

8. A three-segment intelligent lithium-ion battery charger according to claim 1, characterized in that: The outer wall of the connector plug (3) is detachably connected to a connector frame (30). The outer wall of the connector frame (30) is rotatably connected to a threaded rod (33). One end of the threaded rod (33) is fixedly connected to a knob (34). The outer wall of the threaded rod (33) is threadedly connected to a threaded slider (35) that is slidably connected to the outer wall of the connector frame (30). The outer wall of the threaded slider (35) is slidably connected to a swing rod (36) that is rotatably connected to the outer wall of the connector frame (30). The rotation center of the swing rod (36) is fixedly connected to a protective cover (38) through a rotating shaft.

9. A three-section intelligent lithium-ion battery charger according to claim 8, characterized in that: Two sets of threaded rods (33) are provided, and the two sets of threaded rods (33) rotate in opposite directions. The outer wall of the connecting frame (30) and the connection part of the threaded slider (35) are provided with a telescopic groove.

10. A three-segment intelligent lithium-ion battery charger according to claim 8, characterized in that: A limiting groove (37) is provided at the connection between the outer wall of the swing rod (36) and the threaded slider (35). Two sets of protective covers (38) are provided, and the rotation directions of the two sets of protective covers (38) are opposite. A third nut (31) is provided on the outer wall of the connecting frame (30), and a third bolt (32) is threadedly connected to the inner wall of the third nut (31).

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