Charging bin battery assembly of Bluetooth earphone and contact charging system of charging bin battery assembly

Abstract

The charging bin battery assembly comprises a charging bin shell, a middle shell and an inner shell seat, a locking structure is arranged on one side of the charging bin shell, the charging bin shell comprises a lower shell and an upper shell, the lower shell and the upper shell are hinged through a pin shaft, a vent hole is formed in one side of the charging bin shell, and the inner shell seat is arranged in the middle of the middle shell. The inner shell base is arranged at the bottom end in the charging bin shell, a middle shell is fixedly installed in the charging bin shell and abuts against the inner shell base, a bin battery is arranged at the bottom of the inner shell base, a main board is arranged at the top of the inner shell base, and a control chip board is arranged in the middle of the main board; through the design of the battery contact point protection assembly, the waterproof and dustproof functions are provided, an internal circuit and the battery are further protected, matched movement between a movable check block and a third gas storage shell is triggered, so that connection holes are opened, communication between the connection holes and vent holes and heat dissipation holes is opened, effective heat dissipation of the battery during discharging is ensured, and the service life of the battery is prolonged. And the service life of the battery is prolonged.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of a charging bin battery system, in particular to a charging bin battery assembly of a Bluetooth earphone and a contact charging system thereof. BACKGROUND

[0002] The Bluetooth earphone is widely used in daily life and work, and is favored by users due to its portability and wireless connection characteristics. The Bluetooth earphone usually comprises a charging bin for providing charging and storage for the earphone. The charging bin of the Bluetooth earphone is provided with a built-in battery assembly to provide charging function for the earphone.

[0003] The existing charging bin of the Bluetooth earphone is separated from the wireless Bluetooth earphone body, and most of them adopt a charging bin contact to charge the earphone. This charging method has a structure that a hole is formed on the earphone holding groove of the charging bin, and an open-type charging bin battery contact is arranged at the bottom of the earphone holding groove. The metal part on the surface of the contact is worn or fouled due to long-term use, which reduces the current transmission efficiency. Moreover, the open-type charging bin battery contact has poor waterproofness, thereby affecting the service life of the charging bin battery. SUMMARY

[0004] The application aims to provide a charging bin battery assembly of a Bluetooth earphone and a contact charging system thereof to solve the problems in the background.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a charging bin battery assembly of a Bluetooth earphone, comprising a charging bin shell, a middle shell and an inner shell seat. A locking structure is arranged on one side of the charging bin shell. The charging bin shell comprises a lower shell and an upper shell, and the lower shell and the upper shell are hingedly connected through a pin shaft. An air hole is formed on one side of the charging bin shell. The inner shell seat is arranged on the inner bottom end of the charging bin shell. The middle shell is fixedly installed in the charging bin shell, and the middle shell abuts against the inner shell seat. The bottom of the inner shell seat is provided with a bin battery. The top of the inner shell seat is provided with a mainboard. A control chip board is arranged on the middle part of the mainboard. Metal thimbles are arranged on both sides of the mainboard. A metal contact sleeve is movably sleeved on the top of the metal thimbles. A limiting groove is formed on one side of the metal contact sleeve. A left bin display lamp, a bin battery display lamp and a right bin display lamp are arranged on the mainboard. An installation cover is arranged on the bottom of the charging bin shell and abuts against the bin battery. A charging interface is arranged on the installation cover and electrically connected with the bin battery. A battery contact protection assembly is arranged on the middle shell and is convenient for automatic adjustment.

[0006] Preferably, an earphone accommodating cavity is formed on the middle shell. A connecting hole is formed on one side of the middle shell and is arranged in a bending structure. The connecting hole is communicated with the air hole.

[0007] Preferably, the middle shell and the inner shell seat form a cavity structure with the charging compartment shell, the inner shell seat is provided with a through slot, and the inner shell seat is provided with a heat dissipation hole on one side.

[0008] Preferably, the top of the mainboard is provided with a socket on one side, and the compartment battery is connected with a plug through a wire on one side, the plug and the socket are matched and electrically connected.

[0009] Preferably, the battery contact point protection assembly comprises a top rod, recesses are formed on both sides of the top of the middle shell in the earphone accommodating cavity, mounting plates are arranged at the openings of the recesses, cavities are formed on both sides of the bottom of the earphone accommodating cavity in the middle shell, and sealing block plates are slidably inserted into the cavities.

[0010] Preferably, the top rod is in a "T" shaped rod structure and is slidably inserted into the mounting plate, a first gas storage shell is arranged between the top rod and the recess, and the bottom of the first gas storage shell is provided with a first connecting pipe and a second connecting pipe.

[0011] Preferably, the sealing block plates on both sides are in an "L" shaped plate structure and are staggered and overlapped at the ends, an abutting spring is arranged between the sealing block plate and the cavity, a second gas storage shell is arranged between the sealing block plate and the other side of the cavity, the side of the second gas storage shell is communicated with the first connecting pipe, and the length of the end of the top rod is greater than the projection length of the sealing block plate on the earphone accommodating cavity.

[0012] Preferably, a sliding groove is formed on the top of the connecting hole in the middle shell, a movable stopper is slidably inserted into the sliding groove, the end of the movable stopper abuts against the cross section of the connecting hole, a reset spring is arranged between the movable stopper and the sliding groove, a third gas storage shell is arranged between the movable stopper and the other side of the sliding groove, and the side of the third gas storage shell is communicated with the second connecting pipe.

[0013] Preferably, a receiving groove is formed on the bottom of the earphone accommodating cavity in the middle shell, a movable plug is slidably inserted into the receiving groove, a spring needle is arranged between the movable plug and the receiving groove, and the end of the movable plug and the limiting groove are matched with each other.

[0014] A charging compartment contact charging system of a Bluetooth earphone comprises a high-capacity battery unit, a battery management module, and a protection circuit. The high-capacity battery unit is a compartment battery in the charging compartment battery assembly of the Bluetooth earphone. The battery management module comprises a battery state monitoring unit, a charging and discharging control unit, and a temperature control unit, which are all controlled by the control chip board in the charging compartment battery assembly of the Bluetooth earphone. The protection circuit comprises an overcharge protection unit, which is monitored by a sensor and controlled by the control chip board in the charging compartment battery assembly of the Bluetooth earphone.

[0015] Compared with the prior art, the present application has the beneficial effects that:

[0016] 1. The present application provides waterproof and dustproof functions through the design of the battery contact point protection assembly, further protects the internal circuit and the battery, and triggers the cooperation and movement between the movable stopper and the third gas storage shell, so that the connecting hole is opened, the communication between the connecting hole and the air hole and the heat dissipation hole is ensured, and effective heat dissipation of the battery during discharge is ensured, which is beneficial to prolong the service life of the battery.

[0017] 2. The present application connects the metal thimble with the corresponding port in the earphone, increases the contact area through the metal contact sleeve, improves the stability and durability of the connection, effectively prevents the wear of the metal thimble, and the design of the installation cover makes the battery replacement and maintenance more convenient and reduces the maintenance cost.

[0018] 3. The present application cooperates between the lower shell and the upper shell, the bottom end of the upper shell extrudes the action of the ejector rod, and the cooperation between the first gas storage shell, the first connecting pipe, the second connecting pipe and the second gas storage shell, so that the two side sealing blocks are separated, the bottom space of the earphone accommodating cavity is opened, and then the interface of the Bluetooth earphone is inserted on the metal contact sleeve, the charging connection is realized, at the same time, the cooperation between the third gas storage shell and the movable stopper is expanded, and the connecting hole is opened, so that the communication between the connecting hole and the air hole and the heat dissipation hole is formed, an effective ventilation path is formed, the heat dissipation of the battery during discharge is facilitated, the operation is convenient, and the linkage is strong. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the charging bin of the Bluetooth earphone of the present application.

[0020] Figure 2 It is a structural schematic view of the bottom of the charging bin of the Bluetooth earphone of the present application.

[0021] Figure 3 It is a structural schematic view of one side of the charging bin of the Bluetooth earphone of the present application.

[0022] Figure 4 It is a structural schematic view of the middle shell of the present application.

[0023] Figure 5 It is a structural schematic view of the inner shell seat of the present application.

[0024] Figure 6 It is an explosion schematic view of the main board, the bin battery and the inner shell seat of the present application.

[0025] Figure 7 It is a structural schematic view of the battery contact point protection assembly of the present application.

[0026] Figure 8 It is a structural schematic view of the present application Figure 7 enlarged at A.

[0027] Figure 9 Structure diagram of the shell in the application Figure 7 Structure diagram of the shell in the application

[0028] Figure 10 Structure diagram of the shell in the application Figure 7 Structure diagram of the shell in the application

[0029] Figure 11 Structure diagram of the shell in the application

[0030] Figure 12 Structure diagram of the shell in the application Figure 11 Structure diagram of the shell in the application

[0031] In the figure: charging compartment shell 1; lower shell 11; upper shell 12; air hole 13; locking structure 2; mounting cover 3; charging interface 31; middle shell 4; earphone accommodating cavity 41; connecting hole 42; inner shell seat 5; through connection groove 51; heat dissipation hole 52; mainboard 6; control chip board 61; metal thimble 62; metal contact sleeve 63; limiting groove 631; left compartment display lamp 64; compartment battery display lamp 65; right compartment display lamp 66; socket 67; compartment battery 7; plug 71; top rod 8; mounting plate 81; first gas storage shell 82; first connecting pipe 83; second connecting pipe 84; sealing block plate 85; abutting spring 86; second gas storage shell 87; movable stop block 88; reset spring 89; third gas storage shell 80; movable plug 9; spring needle 91. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0033] Please refer to Figure 1 Structure diagram of the charging compartment of the Bluetooth earphone in the application, Figure 2 Structure diagram of the charging compartment of the Bluetooth earphone in the application, Figure 3For the structure diagram of the charging bin side of the Bluetooth earphone of the application, the application provides a technical scheme: a charging bin battery assembly of a Bluetooth earphone, which comprises a charging bin shell 1, a middle shell 4 and an inner shell seat 5, the charging bin shell 1 plays a role of protecting internal batteries and circuits and simultaneously serves as support of the overall structure, the inner shell seat 5 fixes and supports the batteries and other circuit elements so that they maintain correct positions inside the charging bin, a locking structure 2 is mounted on one side of the charging bin shell 1, the locking structure is a common device in the prior art and can adopt a buckle or magnetic attraction mode to keep the closure of the charging bin shell 1, the charging bin shell 1 comprises a lower shell 11 and an upper shell 12, the lower shell 11 and the upper shell 12 are hingedly connected through a pin shaft, a ventilation hole 13 is formed in one side of the charging bin shell 1, and the ventilation hole 13 provides a heat dissipation path for the batteries during charging, thereby reducing overheating of the batteries.

[0034] Figure 4 For the structure diagram of the middle shell in the application, the inner shell seat 5 is fixed on the inner bottom end of the charging bin shell 1 through screws, the middle shell 4 is fixedly installed in the charging bin shell 1, the middle shell 4 abuts against the inner shell seat 5, an earphone accommodating cavity 41 is formed in the middle shell 4, the earphone accommodating cavity 41 is designed to have a specific shape and size to ensure that the earphone can be embedded, a connecting hole 42 is formed in one side of the middle shell 4, the connecting hole 42 is arranged in a bent structure, the connecting hole 42 is communicated with the ventilation hole 13, and the middle shell 4 and the inner shell seat 5 form a cavity structure with the charging bin shell 1, which can provide a heat dissipation space.

[0035] Figure 5 For the structure diagram of the inner shell seat in the application, Figure 7 For the structure diagram of the battery contact point protection assembly in the application, the bin battery 7 is embedded in the bottom of the inner shell seat 5, the main board 6 is fixedly installed on the top of the inner shell seat 5, the control chip board 61 on the main board 6 processes various signals and electrically connects the metal contact pin 62 with the earphone to perform charging or data transmission, the inner shell seat 5 is provided with a penetrating groove 51, a heat dissipation hole 52 is formed in one side of the inner shell seat 5, the heat dissipation hole 52 is communicated with the cavity structure to form an effective ventilation path.

[0036] Figure 6 For the explosion diagram of the main board, the bin battery and the inner shell seat in the application, the control chip board 61 is fixedly arranged on the middle part of the main board 6, the control chip board 61 receives signals from the earphone and operation instructions from the user and controls charging, discharging and signal transmission and the like according to the signals and the operation instructions, the metal contact pins 62 are fixedly connected to the two sides of the main board 6, the metal contact pins 62 serve as electrodes and are directly connected to corresponding ports in the earphone to complete charging or data exchange, the metal contact sleeve 63 is movably sleeved on the top of the metal contact pin 62, the one side of the metal contact sleeve 63 is provided with a limiting groove 631, the metal contact sleeve 63 increases the contact area and improves the stability and durability of the connection, and the metal contact sleeve 63 effectively prevents abrasion of the metal contact pin 62.

[0037] The left compartment display lamp 64, the compartment battery display lamp 65 and the right compartment display lamp 66 are installed on the mainboard 6 respectively, and according to the instruction of the control chip board 61, the user can directly understand the charging state and the battery capacity of each earphone by turning on or turning off the specific LED lamp, the left compartment display lamp 64, the compartment battery display lamp 65 and the right compartment display lamp 66 on the mainboard 6 can directly display the charging state and the battery capacity of the earphone, improve the user experience, and make the information acquisition more convenient.

[0038] The socket 67 is installed on one side of the top of the mainboard 6, and the compartment battery 7 is connected with the plug 71 through the wire, the plug 71 is matched with the socket 67 and is electrically connected, so that the power transmission is realized, and stable power supply is provided for the mainboard 6 and the earphone.

[0039] Figure 2 It is a structural schematic view of the bottom of the charging compartment of the Bluetooth earphone, the bottom of the charging compartment shell 1 is fixed with the mounting cover 3 through screws, the mounting cover 3 is in abutment between the compartment battery 7, the mounting cover 3 is provided with the charging interface 31, the charging interface 31 is electrically connected between the compartment battery 7, when the external charger is connected through the charging interface 31, the electric energy is transmitted to the compartment battery 7, and data synchronization can also be realized through the interface, the design of the mounting cover 3 makes the battery replacement and maintenance more convenient, and the maintenance cost is reduced.

[0040] Figure 7 It is a structural schematic view of the battery contact point protection assembly, Figure 8 It is a structural schematic view of the battery contact point protection assembly, Figure 7 It is a structural schematic view of the battery contact point protection assembly, Figure 9 It is a structural schematic view of the battery contact point protection assembly, Figure 7 It is a structural schematic view of the battery contact point protection assembly, Figure 10 It is a structural schematic view of the battery contact point protection assembly, Figure 7 It is a structural schematic view of the battery contact point protection assembly, the middle shell 4 is provided with the battery contact point protection assembly convenient for automatic adjustment, the battery contact point protection assembly comprises a top rod 8, recesses are formed in the top of the middle shell 4 on both sides of the earphone containing cavity 41, mounting plates 81 are arranged at the openings of the recesses, the mounting plates 81 are fixed on the middle shell 4 through screws, the top rod 8 is in a T-shaped rod structure and is slidably connected to the mounting plates 81, first gas storage shells 82 are arranged between the top rod 8 and the recesses, and the first gas storage shells 82 are fixedly connected with first connecting pipes 83 and second connecting pipes 84 respectively.

[0041] The middle shell 4 is provided with a cavity on both sides of the bottom of the earphone accommodating cavity 41, the cavity is slidably connected with the sealing block plate 85, the two sealing block plates 85 are in the shape of "L" plate structure, and the end portions are staggered and overlapped, the length of the end portion of the top rod 8 is greater than the projection length of the sealing block plate 85 on the earphone accommodating cavity 41, the sealing block plate 85 is fixedly connected with the abutting spring 86 between the cavity, the second gas storage shell 87 is bonded between the other side of the sealing block plate 85 and the cavity, the side of the second gas storage shell 87 is communicated with the first connecting pipe 83, the elastic force of the abutting spring 86 can overcome the gas pressure of the first gas storage shell 82 and the second gas storage shell 87 without other external force, the two sealing block plates 85 are abutted under the action of the elastic force of the abutting spring 86, the bottom of the earphone accommodating cavity 41 is closed, the metal contact sleeve 6 and the metal contact sleeve 63 are protected, and the waterproof and dustproof effects are achieved, and the internal circuit and the battery are further protected.

[0042] When the lower shell 11 is closed with the upper shell 12, the bottom end of the upper shell 12 extrudes the top rod 8, the gas in the first gas storage shell 82 is transmitted through the first connecting pipe 83 and the second connecting pipe 84, part of the gas is transmitted into the second gas storage shell 87, the second gas storage shell 87 is expanded to extrude the end portion of the sealing block plate 85 to move into the cavity, so that the two sealing block plates 85 are separated, the bottom space of the earphone accommodating cavity 41 is opened, and then the interface of the Bluetooth earphone is inserted on the metal contact sleeve 63, and the charging connection is realized.

[0043] The middle shell 4 is provided with a sliding groove on the top of the connecting hole 42, the sliding groove is slidably connected with the movable block 88, the end portion of the movable block 88 abuts on the section of the connecting hole 42, the movable block 88 is fixedly connected with the reset spring 89 between the sliding groove, the third gas storage shell 80 is bonded between the other side of the movable block 88 and the sliding groove, the side of the third gas storage shell 80 is communicated with the second connecting pipe 84, the end portion of the movable block 88 abuts on the section of the connecting hole 42 under the action of the elastic force of the reset spring 89, the connecting hole 42 is closed, and dust or water is prevented from entering the inside of the charging bin shell 1 through the connecting hole 42 to affect the use.

[0044] When the other part of the gas is transmitted into the third gas storage shell 80, the third gas storage shell 80 is expanded to extrude the end portion of the movable block 88 to move into the sliding groove, the connecting hole 42 is opened, the connecting hole 42 is communicated with the air hole 13 and the heat dissipation hole 52, an effective ventilation path is formed, the heat dissipation of the bin battery 7 during discharging is facilitated, and the service life of the bin battery 7 is guaranteed.

[0045] Figure 11 It is a sectional view of the middle shell of the application, Figure 12 It is the application Figure 11The structure schematic diagram of the amplification at the middle D, the middle shell 4 is provided with a receiving groove on the bottom of the earphone accommodating cavity 41, the receiving groove is slidably connected with the movable plug 9, the movable plug 9 and the receiving groove are fixedly connected with the elastic needle 91, the elastic needle 91 is similar to the function of the spring, the end of the movable plug 9 and the limiting groove 631 are matched with each other, under the action of the elastic force of the elastic needle 91, the end of the movable plug 9 is inserted into the limiting groove 631, the limiting and fixing of the metal contact sleeve 63 are realized, and the stability of the contact during the charging of the Bluetooth earphone is facilitated.

[0046] A charging bin contact charging system of a Bluetooth earphone, comprising a high-capacity battery unit, a battery management module, and a protection circuit, the high-capacity battery unit is a bin battery in the charging bin battery assembly of the Bluetooth earphone, and the high-capacity battery unit can store a large amount of electric energy and provide stable and efficient charging current for the earphone through the charging management module when needed.

[0047] The battery management module comprises a battery state monitoring unit, a charge and discharge control unit, and a temperature control unit, and the battery state monitoring unit, the charge and discharge control unit, and the temperature control unit are controlled by the control chip board in the charging bin battery assembly of the Bluetooth earphone, the protection circuit comprises an overcharge protection unit, the overcharge protection unit is monitored by a sensor, the overcharge protection unit is controlled by the control chip board in the charging bin battery assembly of the Bluetooth earphone, the sensor monitors the battery charging state in real time, and once the preset threshold is reached, the overcharge protection unit cuts off the charging current through the control chip board to avoid overcharging.

[0048] The charging bin contact charging system of the Bluetooth earphone cooperates with the charging bin battery assembly to realize intelligent management of the battery, improve the charging efficiency, and ensure the safety during use.

[0049] When the charging bin is opened, the two side sealing block plates 85 abut under the elastic force of the abutting spring 86, and the bottom of the earphone accommodating cavity 41 is closed, so that the metal contact sleeve 63 and the metal contact sleeve 63 are protected, and the waterproof and dustproof effects are achieved. At the same time, the end of the movable block 88 abuts on the section of the connecting hole 42 under the elastic force of the reset spring 89, so that the connecting hole 42 is closed, preventing dust or water from entering the inside of the charging bin shell 1 through the connecting hole 42 when the charging bin is opened, and affecting its use; when used, the lower shell 11 and the upper shell 12 are closed, the bottom end of the upper shell 12 extrudes the top rod 8, and the gas in the first gas storage shell 82 is pushed to pass through the first connecting pipe 83 and the second connecting pipe 84, part of the gas is transmitted to the second gas storage shell 87, and the second gas storage shell 87 is expanded to extrude the end of the sealing block plate 85 to move into the cavity, so that the two side sealing block plates 85 are separated, that is, the bottom space of the earphone accommodating cavity 41 is opened, and then the interface of the Bluetooth earphone is inserted on the metal contact sleeve 63, the charging connection is realized, and at the same time, the other part of the gas is transmitted to the third gas storage shell 80, the third gas storage shell 80 is expanded to extrude the end of the movable block 88 to move into the chute, and then the connecting hole 42 is opened, so that the connecting hole 42 is communicated with the air hole 13 and the heat dissipation hole 52, an effective ventilation path is formed, the heat dissipation of the bin battery 7 during discharging is facilitated, and the service life of the bin battery 7 is guaranteed.

[0050] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A charging case battery assembly of a Bluetooth earphone, comprising a charging case shell (1), a middle shell (4) and an inner shell seat (5), characterized in that: The side of the charging bin shell (1) is provided with a locking structure (2), the charging bin shell (1) comprises a lower shell (11) and an upper shell (12), the lower shell (11) is hinged with the upper shell (12) through a pin shaft, the side of the charging bin shell (1) is provided with a ventilation hole (13), an inner shell seat (5) is arranged on the inner bottom end of the charging bin shell (1), a middle shell (4) is fixedly installed in the charging bin shell (1), and the middle shell (4) is in abutment with the inner shell seat (5); the bottom of the inner shell seat (5) is provided with a bin battery (7), the top of the inner shell seat (5) is provided with a mainboard (6), the middle part of the mainboard (6) is provided with a control chip board (61), both sides of the mainboard (6) are provided with metal thimbles (62), the top of the metal thimble (62) is movably sleeved with a metal contact sleeve (63), the side of the metal contact sleeve (63) is provided with a limiting groove (631), the mainboard (6) is respectively provided with a left bin display lamp (64), a bin battery display lamp (65) and a right bin display lamp (66), the bottom of the charging bin shell (1) is provided with a mounting cover (3), the mounting cover (3) is in abutment with the bin battery (7), the mounting cover (3) is provided with a charging interface (31), the charging interface (31) is electrically connected with the bin battery (7), and the middle shell (4) is provided with a battery contact point protection assembly convenient for automatic adjustment.

2. The charging case battery pack of a Bluetooth earphone according to claim 1, characterized in that: The middle shell (4) is provided with an earphone accommodating cavity (41), and the side of the middle shell (4) is provided with a connecting hole (42) in a bent structure, the connecting hole (42) is communicated with the ventilation hole (13).

3. The charging case battery pack of a Bluetooth earphone according to claim 1, wherein: The middle shell (4) and the inner shell seat (5) form a cavity structure with the charging bin shell (1), the inner shell seat (5) is provided with a penetrating groove (51), and the side of the inner shell seat (5) is provided with a heat dissipation hole (52) communicated with the cavity structure.

4. The charging case battery pack of a Bluetooth earphone according to claim 1, wherein: The top side of the mainboard (6) is provided with a socket (67), one side of the bin battery (7) is connected with a plug (71) through a wire, the plug (71) is matched with the socket (67) and is electrically connected with the socket (67).

5. The charging case battery pack of a Bluetooth earphone according to claim 1, wherein: The battery contact point protection assembly comprises a top rod (8), recesses are formed in the top of the middle shell (4) on both sides of the earphone accommodating cavity (41), mounting plates (81) are arranged at the openings of the recesses, cavities are formed in the bottom of the middle shell (4) on both sides of the earphone accommodating cavity (41), and sealing block plates (85) are slidably inserted into the cavities.

6. The charging case battery pack of a Bluetooth earphone according to claim 5, characterized in that: The top rod (8) is in a "T" shaped rod structure and is slidably inserted into the mounting plate (81), a first gas storage shell (82) is arranged between the top rod (8) and the recess, and the bottom of the first gas storage shell (82) is respectively provided with a first connecting pipe (83) and a second connecting pipe (84).

7. The charging case battery pack of a Bluetooth earphone according to claim 5, characterized in that: The two side sealing block plates (85) are in the shape of "L" plate structure, and the end portions are staggered and overlapped, the sealing block plate (85) and the cavity are provided with abutting springs (86), the sealing block plate (85) and the other side of the cavity are provided with a second gas storage shell (87), one side of the second gas storage shell (87) is communicated with the first connecting pipe (83), and the end portion of the ejector pin (8) is longer than the projection length of the sealing block plate (85) on the earphone accommodating cavity (41).

8. The charging case battery pack of a Bluetooth earphone according to claim 1, wherein: The top of the middle shell (4) is provided with a sliding groove at the top of the connecting hole (42), the sliding groove is slidably connected with a movable block (88), the end portion of the movable block (88) abuts against the cross section of the connecting hole (42), the movable block (88) and the sliding groove are provided with a reset spring (89), the movable block (88) and the other side of the sliding groove are provided with a third gas storage shell (80), one side of the third gas storage shell (80) is communicated with the second connecting pipe (84).

9. The charging case battery pack of a Bluetooth headset according to claim 1, wherein: The bottom of the middle shell (4) is provided with a receiving groove at the bottom of the earphone accommodating cavity (41), the receiving groove is slidably connected with a movable block (9), the movable block (9) and the receiving groove are provided with a spring needle (91), and the end portion of the movable block (9) is matched with the limiting groove (631).

10. A charging contact charging system for a Bluetooth headset charging case comprising a high capacity battery cell, a battery management module, a protection circuit, characterized by: The high-capacity battery unit is the cartridge battery (7) in the charging cartridge battery assembly of the Bluetooth earphone according to any one of claims 1-9, the battery management module comprises a battery state monitoring unit, a charging and discharging control unit and a temperature control unit, the battery state monitoring unit, the charging and discharging control unit and the temperature control unit are controlled by the control chip board (61) in the charging cartridge battery assembly of the Bluetooth earphone according to any one of claims 1-9, and the protection circuit comprises an overcharge protection unit, the overcharge protection unit is monitored by a sensor, and the overcharge protection unit is controlled by the control chip board (61) in the charging cartridge battery assembly of the Bluetooth earphone according to any one of claims 1-9.

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