CN214506593U

CN214506593U - Wireless charger

Info

Publication number: CN214506593U
Application number: CN202120367464.1U
Authority: CN
Inventors: 李元俊; 蔡丽超; 王明成; 王福强
Original assignee: Lanto Electronic Ltd
Current assignee: Lanto Electronic Ltd; Kunshan Liantao Electronics Co Ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-10-26
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a wireless field of charging discloses a wireless charger, including carrying the seat, detecting subassembly, transmitting coil subassembly and displacement subassembly. The carrying seat is used for carrying equipment to be charged; the detection component is arranged on the carrier seat and detects the position of the equipment to be charged relative to the carrier seat; the transmitting coil assembly is arranged in the accommodating cavity of the carrier seat in an adjustable position and is used for wirelessly charging the equipment to be charged; the displacement assembly is arranged in the accommodating cavity and is in transmission connection with the transmitting coil assembly, and the displacement assembly can drive the transmitting coil assembly to move to a position opposite to the induction coil of the equipment to be charged according to a position signal sent by the detecting assembly. The utility model discloses can listen the position of the induction coil of treating battery charging outfit through the detection subassembly to according to the position of the induction coil of treating battery charging outfit, remove to the position just right with the induction coil of treating battery charging outfit through displacement subassembly drive transmitting coil subassembly, ensure to charge and normally go on, guarantee charging efficiency, simple structure, it is with low costs.

Description

Wireless charger

Technical Field

The utility model relates to a wireless charging technology field especially relates to a wireless charger.

Background

The wireless charging equipment is equipment for charging by utilizing the electromagnetic induction principle, and is widely applied to wireless charging of smart phones and blue-face earphones waiting for the charging equipment.

The core of wireless charging is that the energy transmitted by a charging coil of the wireless charging device is received by an induction coil in the device to be charged by using the electromagnetic induction principle. The existing wireless charging device generally includes a carrier and a charging coil disposed in the carrier. The device to be charged is placed on the carrying seat, and after the wireless charging device is electrified, the device to be charged can be wirelessly charged. In the actual use process, the position of the to-be-charged device placed on the carrying seat changes greatly, and the position of the charging coil in the wireless charging device is not adjustable, so that the actual position of the to-be-charged device directly influences the charging efficiency. When the placement position of the device to be charged is deviated, the induction coil of the device to be charged cannot be over against the center of the charging coil of the wireless charging device, so that the charging efficiency is low. In addition, the position that different treatment charging equipment's induction coil set up is different, treats that charging equipment is after placing wireless charging equipment on, and the position of treatment charging equipment's induction coil also probably has the deviation with wireless charging equipment's transmitting coil's position, and then also can lead to charging unable going on or can not reach normal charge efficiency. In addition, the existing wireless charging equipment is relatively complex in structure and high in cost.

Therefore, it is highly desirable to provide a wireless charger, which has a simple structure and low cost, and can automatically adjust the position of a charging coil in the wireless charger according to the position of an induction coil of a device to be charged, so as to ensure normal charging and ensure charging efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless charger, its simple structure, it is with low costs, can be according to the position of the charging coil in the wireless charger of the position automatic adjustment of the induction coil of treating battery charging outfit to ensure to charge normally and go on, guarantee charging efficiency.

To achieve the purpose, the utility model adopts the following technical proposal:

a wireless charger, comprising:

a carrier configured to carry a device to be charged;

the detection component is arranged on the carrier seat and is configured to detect the position of the induction coil of the equipment to be charged relative to the carrier seat;

the transmitting coil assembly is arranged in the accommodating cavity of the carrier seat in an adjustable position and is configured to wirelessly charge the device to be charged;

the displacement assembly is arranged in the accommodating cavity and is in transmission connection with the transmitting coil assembly, and the displacement assembly can drive the transmitting coil assembly to move to a position opposite to the induction coil of the equipment to be charged according to the position signal sent by the detecting assembly.

Optionally, the carrier includes a carrying surface configured to carry the device to be charged, and the detecting assembly includes:

the detection plate is fixed on the inner wall of the accommodating cavity, and a detection area covering the bearing surface is arranged on the detection plate so as to detect the position of an induction coil of the equipment to be charged.

Optionally, the sensing plate comprises:

the plate body is of a flat structure matched with the bearing surface and is adhered to the inner wall, facing the bearing surface, of the accommodating cavity in a gluing mode;

the detecting coils are fixed on the end face, facing the bearing face, of the plate body, and the detecting coils jointly form the detecting area.

Optionally, the displacement assembly comprises:

the sliding rod is fixed in the accommodating cavity;

the sliding block is sleeved on the sliding rod in a sliding mode, and the transmitting coil assembly is fixed on the sliding block;

the rack is integrally arranged on the sliding block and extends along the length direction of the sliding block;

the driving source is fixed in the accommodating cavity, and the output end of the driving source is in transmission connection with the rack through a driving gear.

Optionally, the drive source is a motor.

Optionally, the transmit coil assembly comprises:

the coil support plate is fixedly connected to the output end of the displacement assembly, a main body positioning groove is formed in the coil support plate, and a first lead through hole and a second lead through hole are formed in the side wall of the main body positioning groove;

the charging coil comprises a coil body, a first lead and a second lead, wherein the first lead and the second lead are respectively connected with the coil body, the coil body is fixed in the body positioning groove in a limiting mode, the first lead penetrates out of the first lead through hole, and the second lead penetrates out of the second lead through hole.

Optionally, the carrier comprises:

a first housing;

and the second shell is detachably and fixedly connected with the first shell, and the accommodating cavity is formed between the first shell and the second shell.

Optionally, the carrier comprises:

a base part;

the bearing part is fixedly connected with the base part, the base part is used for supporting the bearing part, and the bearing part is used for bearing the equipment to be charged.

Optionally, the bearing part comprises:

the bearing surface is opposite to the detecting assembly;

the bottom support surface is connected with the bearing surface and arranged at an included angle with the bearing surface, and the bottom support surface and the bearing surface are configured to jointly support the equipment to be charged.

Optionally, the wireless charger further comprises:

the buffer pad is arranged on the bearing surface and/or the bottom support surface.

The utility model has the advantages that:

when charging, treat that the battery charging outfit places on carrying the seat, wireless charger can be through the position of the induction coil of detecting the subassembly auto-detection equipment of treating battery charging outfit to according to the position of the induction coil of treating battery charging outfit, through displacement assembly auto-drive transmitting coil subassembly remove to with treat the interior induction coil of battery charging outfit just right position department, with the normal clear of guaranteeing to charge, guarantee charge efficiency, and wireless charger simple structure, it is with low costs.

Drawings

Fig. 1 is a schematic structural diagram of a wireless charger provided by the present invention;

fig. 2 is a schematic view of a disassembled structure of the wireless charger (hidden carrier) provided by the present invention;

fig. 3 is a schematic structural diagram of a transmitting coil assembly provided by the present invention.

In the figure:

1. a carrier base; 11. a base part; 12. a bearing part; 121. a bearing surface; 122. a base surface;

2. a detection component;

3. a transmit coil assembly; 31. a coil carrier plate; 311. a main body positioning groove; 312. a first lead through hole; 313. a second lead through hole; 32. a charging coil; 321. a coil body; 322. a first lead; 323. a second lead;

4. a displacement assembly; 41. a slide bar; 42. a slider; 43. a rack; 44. a drive source; 45. a driving gear;

5. a control component;

6. a cushion pad.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1-3, the present embodiment provides a wireless charger, which has a simple structure and low cost, and can automatically adjust the position of a transmitting coil in the wireless charger according to the position of an induction coil of a device to be charged, so as to ensure normal charging and ensure charging efficiency. The wireless charger comprises a carrier 1, a detection component 2, a transmitting coil component 3 and a displacement component 4. Wherein, the carrier seat 1 is configured to carry a device to be charged; the detecting element 2 is disposed on the carrier 1, and the detecting element 2 is configured to detect a position of an induction coil of a device to be charged (not shown in the figure) relative to the carrier 1; the transmitting coil assembly 3 is arranged in the accommodating cavity of the carrier seat 1 in an adjustable position, and the transmitting coil assembly 3 is configured to wirelessly charge the equipment to be charged; the displacement assembly 4 is arranged in the accommodating cavity and is in transmission connection with the transmitting coil assembly 3, and the displacement assembly 4 can drive the transmitting coil assembly 3 to move to the position opposite to the induction coil of the device to be charged according to the position signal sent by the detecting assembly 2.

In addition, as shown in fig. 1 to 3, in this embodiment, the wireless charger further includes a control component 5, and the control component 5 is an existing PCB control module, and the detailed structure is not described again. The control assembly 5 is connected with the detection assembly 2, the transmitting coil assembly 3 and the displacement assembly 4 electrically, the control assembly 5 is configured to receive a position signal sent by the detection assembly 2, and controls the displacement assembly 4 to adjust the position of the transmitting coil assembly 3, so that the position of an induction coil of the equipment to be charged can be detected through automatic induction of the detection assembly 2, and the transmitting coil assembly 3 is automatically driven to move to a position opposite to the induction coil in the equipment to be charged through the displacement assembly 4.

Compare current wireless charger, when the wireless charger of this embodiment charges, treat that charging equipment places on carrying seat 1, wireless charger can be through the position of the induction coil of detecting subassembly 2 auto-detection equipment of treating charging, and according to the position of the induction coil of treating charging equipment, through displacement assembly 4 auto-drive transmitting coil subassembly 3 remove to with treat the just right position department of induction coil in the charging equipment, in order to ensure to charge normal clear, guarantee charging efficiency, and wireless charger simple structure, it is with low costs.

Further, as shown in fig. 1-3, in the present embodiment, the carrier 1 includes a carrying surface 121, the carrying surface 121 is configured to carry the device to be charged, and the detecting element 2 includes a detecting board and a connecting wire (not shown), and the detecting board is electrically connected to the control element 5 through the connecting wire. The detection plate is fixed on the inner wall of the accommodating cavity of the carrier 1, and a detection area covering the bearing surface 121 is arranged on the detection plate to detect the position of the induction coil of the device to be charged. Specifically, the detection board comprises a board body and a plurality of detection coils. The plate body is of a flat structure matched with the bearing surface 121, the plate body is of a rectangular structure in the embodiment, and the plate body is adhered to the inner wall of the accommodating cavity opposite to the bearing surface 121; the detecting coils are fixed on the end face of the plate body facing the bearing surface 121, and the detecting coils form a detecting area together. The detection board in the embodiment adopts the existing electromagnetic induction principle to realize the detection function, and has simple structure and low design cost. The plate body of the detection plate is glued and attached to the inner wall of the accommodating cavity opposite to the bearing surface 121, so that the detection plate is not easy to damage and safe to use, and the service life is prolonged; on the other hand, the sensing coil is opposite to the bearing surface 121, so that the distance between the sensing coils and the induction coil of the device to be charged placed on the carrier seat 1 can be greatly shortened, and the sensing sensitivity and accuracy of the sensing coils are improved. Moreover, the plurality of detection coils are fixed on the end face of the plate body facing the bearing surface 121, so that the distance between the detection coils and the induction coil of the device to be charged placed on the bearing seat 1 is further shortened, and the detection sensitivity and the detection precision of the detection coils are further improved.

In order to be able to drive the transmitting coil assembly 3, a position adjustment is made. As shown in fig. 1 to 3, in the present embodiment, the displacement assembly 4 includes a sliding rod 41, a sliding block 42, a rack 43 and a driving source 44, and the driving source 44 is a motor. Wherein, the slide bar 41 is fixed in the containing cavity of the carrier seat 1; the sliding block 42 is slidably sleeved on the sliding rod 41, and the transmitting coil assembly 3 is fixed on the sliding block 42; the rack 43 is integrally arranged on the sliding block 42, and the rack 43 extends along the length direction of the sliding rod 41; the driving source 44 is fixed in the containing cavity of the carrier seat 1, the output end of the driving source 44 is in transmission connection with the rack 43 through the driving gear 45, and further the position of the transmitting coil assembly 3 is driven to be adjusted. In addition, slider 42, rack 43 integrated into one piece design have reduced the quantity of spare part, have reduced the production assembly flow, have improved the machining efficiency of wireless charger.

Further, as shown in fig. 1-3, in the present embodiment, the transmitting coil assembly 3 includes a coil carrier plate 31 and a charging coil 32. Wherein, the coil carrier 31 is fixedly connected to the output end of the displacement assembly 4, a main body positioning slot 311 is formed on the coil carrier 31, and a first lead through hole 312 and a second lead through hole 313 are formed on the side wall of the main body positioning slot 311; the charging coil 32 comprises a coil body 321, and a first lead wire 322 and a second lead wire 323 which are respectively connected with the coil body 321, wherein the coil body 321 is fixed in the body positioning groove 311 in a limiting manner, the first lead wire 322 penetrates out from the first lead wire through hole 312, the second lead wire 323 penetrates out from the second lead wire through hole 313, and the first lead wire 322 and the second lead wire 323 are respectively electrically connected with the control component 5. The main part constant head tank 311 of coil carrier plate 31 plays limiting displacement to coil main part 321, the first lead wire through-hole 312 and the second lead wire through-hole 313 of coil carrier plate 31 play limiting displacement to first lead wire 322 and second lead wire 323 respectively, and then can make more stable the injecing on coil carrier plate 31 of charging coil 32, coil carrier plate 31 has not only played the bearing effect, has still played limiting displacement, moreover, the steam generator is simple in structure, low in cost, it is effectual to the fixed of charging coil 32.

Further, as shown in fig. 1-3, the carrier 1 includes a first housing and a second housing (not shown). Wherein, second casing and first casing detachably fixed connection form between first casing and the second casing and hold the chamber, bear 1 simple structure of seat, with low costs, and the fixed connection that specifically can dismantle can adopt current bolted connection structure or buckle connection structure.

In addition, as shown in fig. 1 to 3, in the present embodiment, the carriage 1 includes a base portion 11 and a carrying portion 12. The bearing part 12 is fixedly connected with the base part 11, the base part 11 is used for supporting the bearing part 12, and the bearing part 12 is used for bearing the device to be charged. Specifically, the carrier 12 includes a carrier surface 121 and a base surface 122. The carrying surface 121 faces the detecting element 2; the bottom support surface 122 is connected to the support surface 121 and forms an included angle with the support surface 121, and the bottom support surface 122 and the support surface 121 are configured to support the device to be charged together. In this embodiment, when the charging device is used, the supporting surface 121 is an inclined surface forming a certain inclination angle with the horizontal plane, the bottom supporting surface 122 is located below the supporting surface 121, so as to form a vertical structure, the charging device such as a smart phone can be placed on the supporting base 1 in a standing manner, and the supporting surface 121 and the bottom supporting surface 122 are used for supporting the charging device.

Further, as shown in fig. 1-2, in the present embodiment, the wireless charger further includes a cushion pad 6. The cushion pad 6 is disposed on the base surface 122. The buffer pad 6 can be an existing elastic sponge pad or a rubber pad, and plays a role in reducing impact. It is contemplated that in some embodiments, the cushion 6 may be provided on the bearing surface 121 simultaneously or only.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims

1. A wireless charger, comprising:

a carrier (1) configured to carry a device to be charged;

the detection component (2) is arranged on the carrier seat (1), and the detection component (2) is configured to detect the position of an induction coil of the equipment to be charged relative to the carrier seat (1);

the transmitting coil assembly (3) is arranged in the accommodating cavity of the carrier seat (1) in an adjustable position, and the transmitting coil assembly (3) is configured to wirelessly charge the equipment to be charged;

the displacement assembly (4) is arranged in the accommodating cavity and is in transmission connection with the transmitting coil assembly (3), and the displacement assembly (4) can drive the transmitting coil assembly (3) to move to the position opposite to the induction coil of the equipment to be charged according to the position signal sent by the detecting assembly (2).

2. The wireless charger according to claim 1, wherein the carrier (1) comprises a carrying surface (121), the carrying surface (121) being configured to carry the device to be charged, the detecting element (2) comprising:

the detection plate is fixed on the inner wall of the accommodating cavity, and a detection area covering the bearing surface (121) is arranged on the detection plate so as to detect the position of an induction coil of the equipment to be charged.

3. The wireless charger of claim 2, wherein the detection board comprises:

the plate body is of a flat structure matched with the bearing surface (121), and is adhered to the inner wall, facing the bearing surface (121), of the accommodating cavity in a gluing mode;

the detecting coils are fixed on the end face, facing the bearing face (121), of the plate body, and the detecting coils jointly form the detecting area.

4. The wireless charger according to claim 1, characterized in that said displacement assembly (4) comprises:

the sliding rod (41) is fixed in the accommodating cavity;

the sliding block (42) is sleeved on the sliding rod (41) in a sliding mode, and the transmitting coil assembly (3) is fixed on the sliding block (42);

a rack (43) integrally formed on the slider (42), the rack (43) extending in a longitudinal direction of the slide bar (41);

and the driving source (44) is fixed in the accommodating cavity, and the output end of the driving source (44) is in transmission connection with the rack (43) through a driving gear (45).

5. The wireless charger of claim 4 wherein the drive source (44) is a motor.

6. The wireless charger according to claim 1, characterized in that said transmitting coil assembly (3) comprises:

the coil carrier plate (31) is fixedly connected to the output end of the displacement assembly (4), a main body positioning groove (311) is formed in the coil carrier plate (31), and a first lead through hole (312) and a second lead through hole (313) are formed in the side wall of the main body positioning groove (311);

the charging coil (32) comprises a coil body (321), and a first lead wire (322) and a second lead wire (323) which are respectively connected with the coil body (321), wherein the coil body (321) is fixed in the body positioning groove (311) in a limiting manner, the first lead wire (322) penetrates out of the first lead wire through hole (312), and the second lead wire (323) penetrates out of the second lead wire through hole (313).

7. The wireless charger according to claim 1, wherein the cradle (1) comprises:

a first housing;

8. The wireless charger according to claim 1, wherein the cradle (1) comprises:

a base part (11);

the carrying part (12) is fixedly connected with the base part (11), the base part (11) is used for supporting the carrying part (12), and the carrying part (12) is used for carrying the equipment to be charged.

9. The wireless charger according to claim 8, wherein the carrier (12) comprises:

the bearing surface (121), the bearing surface (121) is opposite to the detecting component (2);

the bottom support surface (122) is connected to the bearing surface (121) and forms an included angle with the bearing surface (121), and the bottom support surface (122) and the bearing surface (121) are configured to support the device to be charged together.

10. The wireless charger of claim 9, wherein the wireless charger further comprises:

the buffer pad (6) is arranged on the bearing surface (121) and/or the bottom surface (122).