CN115133662A

CN115133662A - Split type wireless charger

Info

Publication number: CN115133662A
Application number: CN202210204671.4A
Authority: CN
Inventors: 庄宝正; 黄长春
Original assignee: Youhua Technology Shenzhen Co ltd
Current assignee: Linkcom Manufacturing Co Ltd
Priority date: 2022-03-03
Filing date: 2022-03-03
Publication date: 2022-09-30

Abstract

The invention discloses a split type wireless charger, which comprises a charging wire: the one end of charging wire is connected with the charging head subassembly, and the other end is connected with the charging seat subassembly, the charging seat subassembly includes lower cover and upper cover, be provided with fixed bolster, transmitting coil and magnet in the cavity behind lower cover and the upper cover closure, the centre of a circle position department of lower cover and fixed bolster is equipped with cavity and runs through the air runner that switches on. According to the invention, the wireless charger adopts a structure that the charging head is separated from the charging seat, so that the heat conduction between the transmitting coil and the circuit board can be effectively slowed down, and a hollow and penetrating air flow is utilized in the charging seat, so that a channel for outward circulation dissipation can be provided in the charging seat, the circulation ventilation and heat dissipation treatment between the charging seat and the outside air are facilitated, the working temperature of the wireless charger is effectively reduced, the wireless charger can be ensured to stably run for a long time, and no overheating fault occurs.

Description

Split type wireless charger

Technical Field

The invention relates to the technical field of wireless chargers, in particular to a split type wireless charger.

Background

Along with the continuous improvement of consumer to power supply quality, security, reliability, convenience, instantaneity, special occasion, special geographical environment's etc. requirement for contact electric energy transmission mode more and more can not satisfy the actual need, wireless charger is the equipment that charges with the electromagnetic induction principle, and its principle is similar with the transformer, through respectively settling a coil at sending and receiving terminal, sending end coil sends electromagnetic signal to the external world under the effect of electric power, and receiving terminal coil receives electromagnetic signal and changes electromagnetic signal into electric current, thereby reaches the purpose of wireless charging. The wireless charging technology is a special power supply mode, does not need a power line, depends on electromagnetic wave propagation, converts electromagnetic wave energy into electric energy, and finally realizes wireless charging.

Chinese patent publication No.: CN213602452U discloses a magnetic wireless charger, which comprises a shell, a first magnet assembly, a second magnet assembly, a third magnet assembly, a wireless charging coil, a placing plate and a panel, the shell is of an annular structure, an annular groove is formed in the inner periphery of the shell, the first magnet assembly, the second magnet assembly and the third magnet assembly are respectively embedded into the annular groove in sequence, the second magnet assembly and the third magnet assembly are respectively detachably and rotatably connected to two sides of the first magnet assembly, the first magnet assembly, the second magnet assembly and the third magnet assembly form an annular structure, the placing plate is arranged on the first magnet assembly, the second magnet assembly and the third magnet assembly, the wireless charging coil sets up place on the board, the panel sets up wireless charging coil top and embedding setting are in the ring channel.

The wireless charger at present usually comprises transmitting coil and circuit board, and transmitting coil and circuit board combine as an organic whole usually, because current wireless charger can lose partial electric energy and produce a large amount of heat energy in carrying out wireless charging process, leads to the charging process slow or even charging device protection standby, has harm to charging device to some extent, and then leads to wireless charger self high temperature, has reduced charge rate, serious can damage wireless charger even.

Disclosure of Invention

The invention aims to provide a split type wireless charger which adopts a split type structure, accelerates heat dissipation and reduces charging temperature.

In order to achieve the above purpose, the invention provides the following technical scheme: a split type wireless charger, includes the charging wire:

one end of the charging wire is connected with a charging head assembly, and the other end of the charging wire is connected with a charging seat assembly;

the charging seat assembly comprises a lower cover and an upper cover, and a fixed support, a transmitting coil and a magnet are arranged in a cavity formed by closing the lower cover and the upper cover;

and hollow air flow channels which are communicated in a penetrating way are arranged at the circle centers of the lower cover and the fixed support.

As a further description of the above technical solution:

the air flow channel comprises a first through hole arranged on the lower cover and a second through hole arranged on the fixed support, and the first through hole is communicated with the second through hole.

As a further description of the above technical solution:

the inner wall of lower cover is equipped with the mounting groove of fixed bolster outer wall looks adaptation.

As a further description of the above technical solution:

the inner wall of lower cover is provided with outer stopper, the outer wall of fixed bolster is equipped with the outer spacing groove with outer stopper looks adaptation.

As a further description of the above technical solution:

the inner wall of the lower cover is provided with an inner ring, and the inner wall of the fixed support is provided with an assembly seat sleeved on the outer wall of the inner ring.

As a further description of the above technical solution:

the outer wall of inner ring is provided with interior stopper, the inner wall of assembly seat is equipped with the interior spacing groove with interior stopper looks adaptation.

As a further description of the above technical solution:

and an assembly groove matched with the magnet is formed in the inner wall of the fixed support and positioned on the outer side of the assembly seat.

As a further description of the above technical solution:

the charging connector assembly comprises a lower shell and an upper shell, a circuit board is arranged in a cavity formed by the upper shell and the lower shell after the upper shell and the lower shell are closed, and a charging connector is arranged on the circuit board.

As a further description of the above technical solution:

the one end of casing and last casing all is equipped with the front end through-hole with the joint looks adaptation that charges down, and the other end all is equipped with the rear end through-hole with charging wire looks adaptation.

As a further description of the above technical solution:

the lower cover is provided with a wiring hole, a connector lug connected with the transmitting coil end to end is arranged in the wiring hole, and a preformed hole coinciding with the position of the connector lug is formed in the fixed support.

In the above technical solution, the split wireless charger provided by the present invention has the following beneficial effects:

this wireless charger adopts the structure of the head that charges and the charging seat disconnect-type, can effectually slow down the heat conduction between transmitting coil and the circuit board to utilize cavity and the air that runs through to flow in the charging seat, can provide the passageway that the outside circulation of heat scatters and disappears in the charging seat, the circulation ventilation cooling between the charging seat of being convenient for and the outside air handles, and then the effectual operating temperature who reduces wireless charger ensures the operation that wireless charger can be stable for a long time, can not take place overheated trouble.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic structural diagram of a split type wireless charger according to an embodiment of the present invention;

fig. 2 is an exploded view of a charging head assembly according to an embodiment of the present invention;

fig. 3 is an exploded view of a charging socket assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a lower cover according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a fixing bracket according to an embodiment of the present invention.

Description of reference numerals:

1. a charging head assembly; 11. a lower housing; 111. a front end through hole; 112. a rear end through hole; 12. a circuit board; 13. a charging connector; 14. an upper housing; 2. a charging wire; 3. a charging socket assembly; 31. a lower cover; 311. a wiring hole; 312. a connector lug; 313. mounting grooves; 314. an outer stop block; 315. an inner ring; 316. an inner limiting block; 317. a first through hole; 32. fixing a bracket; 321. assembling a groove; 322. an outer limiting groove; 323. reserving a hole; 324. assembling a seat; 325. an inner limiting groove; 326. a second through hole; 33. a transmitting coil; 34. a magnet; 35. and (7) covering.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, a detachable wireless charger includes a charging wire 2:

one end of the charging wire 2 is connected with a charging joint assembly 1, the charging joint assembly 1 comprises a lower shell 11 and an upper shell 14, a circuit board 12 is arranged in a cavity formed by closing the lower shell 11 and the upper shell 14, the circuit board 12 is made of PCBA Type plates, a charging joint 13 is arranged on the circuit board 12, the charging joint 13 is made of Type-C Type joints, and the other end of the charging joint is connected with a charging seat assembly 3;

the charging seat component 3 comprises a lower cover 31 and an upper cover 35, a fixed support 32, a transmitting coil 33 and a magnet 34 are arranged in a cavity formed by closing the lower cover 31 and the upper cover 35, the fixed support 32 is arranged in the lower cover 31, the transmitting coil 33 is arranged above the fixed support 32, and the magnet 34 is arranged on the outer side of the transmitting coil 33;

the center positions of the lower cover 31 and the fixing bracket 32 are provided with hollow air flow passages which are communicated in a penetrating way and can extend into a cavity formed after the lower cover 31 and the upper cover 35 are closed.

In this embodiment, the charging connector 13 is inserted into a power supply circuit, and is connected with the charging seat assembly 3 through the charging wire 2 to supply power, the transmitting coil 33 can obtain electric energy, an electronic product with wireless charging function is placed on the upper cover 35, the upper cover 35 and the electronic product are fixed by adsorption by the magnetic action of the magnet 34, at this time, under the electromagnetic induction action of the transmitting coil 33, the electric energy can be wirelessly transmitted to the electronic product, so as to realize the effect of wireless charging, the circuit board 12 and the transmitting coil 33 can be separated by adopting the structure that the charging head assembly 1 and the charging seat assembly 3 are separated, the heat conduction between the transmitting coil 33 and the circuit board 12 can be effectively slowed down, and a hollow and penetrating air flow is utilized in the charging seat assembly 3, a channel for providing heat to the external circulation dissipation in the charging seat assembly 3, so as to facilitate the circulation ventilation and heat dissipation treatment between the charging seat assembly 3 and the external air, and then the operating temperature of wireless charger has effectually been reduced, ensures that wireless charger can long-time stable operation, can not take place overheated trouble.

The air runner is including setting up first through-hole 317 on lower cover 31 and the second through-hole 326 of setting on fixed bolster 32, and first through-hole 317 and second through-hole 326 intercommunication, after lower cover 31 and fixed bolster 32 installation are closed, first through-hole 317 can communicate with second through-hole 326 each other, the heat that produces when transmitting coil 33 charges this moment can outwards be lost and lost through first through-hole 317 and second through-hole 326, realize the ventilation radiating effect between charging seat subassembly 3 and the outside air, thereby the effectual operating temperature that reduces in the charging seat subassembly 3.

The inner wall of the lower cover 31 is provided with a mounting groove 313 matched with the outer wall of the fixing support 32, so that when the fixing support 32 is mounted inside the lower cover 31, the outer wall of the fixing support 32 is embedded into the mounting groove 313, and the positioning and clamping effects on the position of the fixing support 32 are achieved.

The inner wall of lower cover 31 is provided with outer stopper 314, and the outer wall of fixed bolster 32 is equipped with the outer spacing groove 322 with outer stopper 314 looks adaptation, and outer stopper 314 is unanimous with the quantity of outer spacing groove 322, is four, and after fixed bolster 32 embedded into mounting groove 313 is inside, outer stopper 314 can be one by one imbed in outer spacing groove 322 to play the effect of outside location to the angle between fixed bolster 32 and the lower cover 31, ensure both connection status's stability.

The inner wall of the lower cover 31 is provided with an inner ring 315, the inner wall of the fixing support 32 is provided with an assembly seat 324 sleeved on the outer wall of the inner ring 315, the outer wall of the inner ring 315 is provided with an inner limit block 316, the inner wall of the assembly seat 324 is provided with an inner limit groove 325 matched with the inner limit block 316, the number of the inner limit block 316 and the number of the inner limit groove 325 are equal, the number of the inner limit block 316 and the number of the inner limit groove 325 are four, when the assembly seat 324 is sleeved on the outer wall of the inner ring 315, the inner limit block 316 can be embedded into the inner limit groove 325 one by one, so that the angle between the assembly seat 324 and the inner ring 315 is positioned inside, and the stability of the connection state of the two is ensured.

The inner wall of the fixing bracket 32 and the outer side of the mounting seat 324 are provided with mounting grooves 321 matched with the magnets 34, so as to play a role in positioning and clamping the mounting positions of the magnets 34 and ensure the accuracy and stability of the positions of the magnets 34.

Lower casing 11 and upper housing 14's one end all is equipped with the front end through-hole 111 with the joint 13 looks adaptation that charges, and the other end all is equipped with the rear end through-hole 112 with charging wire 2 looks adaptation, can be under casing 11 and upper housing 14 closed installation back for front end through-hole 111 is used for installing the joint 13 that charges, and rear end through-hole 112 is used for inserting charging wire 2.

Be equipped with wiring hole 311 on the lower cover 31, and be provided with the connector lug 312 with transmitting coil 33 end to end in the wiring hole 311, be equipped with the preformed hole 323 with connector lug 312 position coincidence on the fixed bolster 32 for charging wire 2 can be connected with connector lug 312 in inserting wiring hole 311, and the quantity of connector lug 312 is two, and connects the end to end both ends of transmitting coil 33 respectively, realizes transmitting coil 33's circular telegram effect.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a split type wireless charger, includes charging wire (2), its characterized in that:

one end of the charging wire (2) is connected with a charging head assembly (1), and the other end of the charging wire is connected with a charging seat assembly (3);

the charging seat assembly (3) comprises a lower cover (31) and an upper cover (35), and a fixed support (32), a transmitting coil (33) and a magnet (34) are arranged in a cavity formed by closing the lower cover (31) and the upper cover (35);

and hollow air flow channels which are communicated in a penetrating way are arranged at the circle centers of the lower cover (31) and the fixed support (32).

2. The detachable wireless charger of claim 1, wherein: the air flow passage comprises a first through hole (317) arranged on the lower cover (31) and a second through hole (326) arranged on the fixed support (32), and the first through hole (317) is communicated with the second through hole (326).

3. The detachable wireless charger of claim 1, wherein: the inner wall of the lower cover (31) is provided with a mounting groove (313) matched with the outer wall of the fixing support (32).

4. The detachable wireless charger of claim 1, wherein: the inner wall of lower cover (31) is provided with outer stopper (314), the outer wall of fixed bolster (32) is equipped with outer spacing groove (322) with outer stopper (314) looks adaptation.

5. The detachable wireless charger of claim 1, wherein: the inner wall of the lower cover (31) is provided with an inner ring (315), and the inner wall of the fixed support (32) is provided with an assembly seat (324) sleeved on the outer wall of the inner ring (315).

6. The detachable wireless charger of claim 5, wherein: the outer wall of inner ring (315) is provided with interior stopper (316), the inner wall of assembly seat (324) is equipped with interior spacing groove (325) with interior stopper (316) looks adaptation.

7. The detachable wireless charger of claim 5, wherein: and an assembly groove (321) matched with the magnet (34) is formed in the inner wall of the fixing support (32) and positioned on the outer side of the assembly seat (324).

8. The detachable wireless charger according to claim 1, wherein: charging head subassembly (1) is including casing (11) and last casing (14) down, be provided with circuit board (12) in casing (11) and the closed cavity of last casing (14) down, and be provided with on circuit board (12) and charge joint (13).

9. The detachable wireless charger of claim 8, wherein: the one end of casing (11) and last casing (14) all is equipped with and charges front end through-hole (111) of joint (13) looks adaptation down, and the other end all is equipped with rear end through-hole (112) with charging wire (2) looks adaptation.

10. The detachable wireless charger of claim 1, wherein: be equipped with wiring hole (311) on lower cover (31), and be provided with in wiring hole (311) with terminal (312) of transmitting coil (33) end to end connection, be equipped with on fixed bolster (32) with terminal (312) position coincidence preformed hole (323).