High-voltage wireless charging device
By using MOSFET transistors in high-voltage wireless charging devices to improve power output and overcurrent protection mechanisms, the problems of insufficient power and overheating in wireless charging devices are solved, achieving efficient and fast charging and safety protection.
Patent Information
- Application Number
- CN202423267303.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Conventional wireless charging devices have low power output, which cannot meet the fast charging needs of high-power devices, and there is a risk of overheating if foreign objects are present during the charging process.
It adopts a transmitter and receiver design, with four MOSFET transistors on the transmitter control board to increase the power output to 240W, and triggers an overcurrent protection mechanism when an abnormal current is detected, which disconnects the power supply through the MOSFET transistors to prevent the device from overheating.
It significantly improves charging power output, reduces charging time, and protects the circuit from damage and prevents overheating when foreign objects are present.
Smart Images
Figure CN223693695U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high pressure wireless charging device technical field, specifically is a high pressure wireless charging device. BACKGROUND
[0002] Conventional wireless charging equipment cannot meet the demand of high power, and the power output is low, usually between 5W to 15W, which limits their ability to quickly charge high power demand equipment (such as electric two-wheeled vehicles);Because the power output is low, wireless charging is usually slower than wired charging, which may cause users to feel inconvenient when they need to charge quickly;Because energy loss is mainly converted into heat, if there is foreign matter during charging, the wireless charging equipment may heat up during charging, and effective heat dissipation measures are needed to prevent overheating;
[0003] The conventional technology has the following disadvantages: 1. the power output is low, usually between 5W to 15W, which limits the ability to quickly charge high power demand equipment;2. if there is foreign matter during charging, the wireless charging equipment may heat up during charging, and effective heat dissipation measures are needed to prevent overheating. SUMMARY
[0004] The utility model aims at providing a kind of high pressure wireless charging device to solve the technical problems of low power output and prevent equipment overheating in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of high pressure wireless charging device, including transmitter and receiver, the transmitter includes transmitter protective shell, the inside of the transmitter protective shell is provided with transmitter coil, the top of the transmitter coil is equipped with transmitter coil support plate, transmitter control panel is installed on the transmitter coil support plate, the connecting point of the transmitter coil and transmitter control panel is matched, and transmitter coil is connected with transmitter control panel, transmitter shell is covered at the top edge of the transmitter protective shell, four MOSFET transistors are provided on the transmitter control panel.
[0006] The receiver includes receiver shell, the inside of the receiver shell is provided with receiver control panel, the top of the receiver control panel is provided with receiver coil support plate, the top of the receiver coil support plate is provided with receiver coil, the connecting point of the receiver coil and receiver control panel is matched, and receiver protective shell is covered at the top edge of the receiver shell.
[0007] Preferably, the outer side of the transmitter coil support plate is integrally formed with four groups of connecting plates, and the first through hole is formed in the inside of the four groups of connecting plates, and the connecting plate is screwed through the first through hole and is screwed with the internal thread pipe on the transmitter protective shell.
[0008] Preferably, the outer side of the transmitter shell and the receiver shell is integrally formed with an ear plate, and the inner side of the ear plate is provided with a mounting hole.
[0009] Preferably, the transmitter control board and the transmitter coil are in a circular sheet structure.
[0010] Preferably, the top of the receiver protection shell is uniformly provided with four notches, and the inner side of the notches is provided with a second through hole; the inner wall of the receiver shell is uniformly provided with four inner threaded pipes; and the receiver protection shell is threadedly connected with the inner threaded pipes at the receiver shell through four bolts passing through the second through holes.
[0011] Preferably, the top of the receiver protection shell is uniformly provided with four notches, and the inner side of the notches is provided with a second through hole; the inner wall of the receiver shell is uniformly provided with four inner threaded pipes; and the receiver protection shell is threadedly connected with the inner threaded pipes at the receiver shell through four bolts passing through the second through holes.
[0012] Preferably, the receiver control board is in a rectangular sheet structure.
[0013] Preferably, the receiver coil support plate is integrally provided with a leaf plate at each corner, and each group of leaf plates is provided with two third through holes; the receiver control board is provided with four threaded holes; the inner wall of the receiver shell is provided with four inner threaded seats at the bottom; and the two third through holes in each group of leaf plates are threadedly connected with the threaded holes on the receiver control board and the inner threaded seats on the receiver shell through screws, respectively.
[0014] Compared with the prior art, the high-voltage wireless charging device has the advantages that:
[0015] 1. The power is increased to 240W output through the four MOSFET transistors on the transmitter control board, and the power output is increased to significantly reduce the charging time.
[0016] 2. When the middle is blocked by foreign matters, the circuit in the wireless charging device continuously monitors the current level when overcurrent is detected, and once an abnormally high current is detected, an overcurrent protection mechanism is triggered. A signal is sent to the power control module to quickly cut off or reduce the power supply to the transmitting coil. In order to protect the circuit from being damaged, the device will disconnect the power supply through the MOSFET to prevent the current from continuing to flow. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 is a schematic diagram of the explosion structure of the utility model;
[0018] Fig. 2The utility model discloses a combined state's perspective view of the utility model.
[0019] Fig. 3 The utility model discloses a front view of the utility model.
[0020] In the drawing: 1, transmitter; 11, transmitter shell; 12, transmitter control panel; 13, transmitter coil support plate; 14, transmitter coil; 15, transmitter protective shell; 2, receiver; 21, receiver protective shell; 22, receiver coil; 23, receiver coil support plate; 24, receiver control panel; 25, receiver shell; 3, MOSFET transistor. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.
[0022] Please refer to Figs. 1-3 The utility model provides an embodiment: a high pressure wireless charging device, including transmitter 1 and receiver 2, transmitter 1 includes transmitter protective shell 15, the inside of transmitter protective shell 15 is provided with transmitter coil 14, the top of transmitter coil 14 is installed with transmitter coil support plate 13, and transmitter coil support plate 13 is installed with transmitter control panel 12, and the connecting point of transmitter coil 14 and transmitter control panel 12 is matched, and transmitter coil 14 is connected with transmitter control panel 12, transmitter control panel 12 and transmitter coil 14 are circular sheet structure, and transmitter protective shell 15 top edge is covered with transmitter shell 11, ensures that all components are properly encapsulated, and four MOSFET transistors 3 are arranged on transmitter control panel 12; four MOSFET transistors on the top of transmitter control panel 12 support 240W power output, support input DC voltage 24V~48V, and the circuit supports 5A current intensity;
[0023] The outer side of transmitter coil support plate 13 is integrally formed with four groups of connecting plates, first through holes are formed in the interiors of the four groups of connecting plates, the connecting plates are screwed through the first through holes and are screwed with the internal threaded pipes on the transmitter protective shell 15, the generator coil support plate 13 is installed on the transmitter protective shell 15 through the screw, and the transmitter protective shell 15 and the transmitter shell 11 are used to protect the internal components of the transmitter from damage.
[0024] The receiver 2 comprises a receiver shell 25, the inside of the receiver shell 25 is provided with a receiver control panel 24, the receiver control panel 24 is a rectangular sheet structure, the top of the receiver control panel 24 is provided with a receiver coil support plate 23, the top of the receiver coil support plate 23 is provided with a receiver coil 22, the receiver coil 22 is matched with the connection point of the receiver control panel 24, the edge of the top of the receiver shell 25 is covered with a receiver protective shell 21; The outer sides of the transmitter shell 11 and the receiver shell 25 are integrally formed with an ear plate, and the inside of the ear plate is provided with a mounting hole, and the transmitter 1 and the receiver 2 are installed to the designated position.
[0025] The top of the receiver protective shell 21 is uniformly provided with four groups of notches, and the inside of the notches is provided with a second through hole, and the inner wall of the receiver shell 25 is uniformly provided with four groups of internal threaded pipes, the receiver protective shell 21 is connected with the internal threaded pipes at the receiver shell 25 through four groups of bolts passing through the second through hole, and the receiver protective shell 21 and the receiver shell 25 are connected together through the bolts.
[0026] The four corners of the receiver coil support plate 23 are integrally provided with a leaf plate, and two groups of third through holes are formed in each group of leaf plates, four groups of threaded holes are formed in the receiver control panel 24, four groups of internal threaded seats are mounted on the bottom of the inner wall of the receiver shell 25, and the two groups of third through holes in each group of leaf plates are respectively connected with the threaded holes in the receiver control panel 24 and the internal threaded seats in the receiver shell 25 through screws, the receiver control panel 24 and the receiver support plate 23 are respectively fixed on the receiver shell 25 through the screws, and the combination between the receiver protective shell 21 and the receiver shell 25 protects the internal components of the receiver from being damaged.
[0027] Working principle: when overcurrent is detected, the circuit in the wireless charging device will continuously monitor the current level, and once an abnormally high current is detected, the overcurrent protection mechanism will be triggered; send a signal to the power control module to quickly cut off or reduce the power supply to the transmitter coil 14; In order to protect the circuit from being damaged, the device will disconnect the power supply through the MOSFET transistor 3 to prevent the current from continuing to flow; The four MOSFET transistors 3 on the transmitter control panel 12 increase the power to 240W output, and increasing the power output can significantly reduce the charging time.
[0028] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that the present application can be implemented in other embodiments without departing from the spirit or essential characteristics of the present application. The embodiments should therefore be considered in all respects as illustrative and not restrictive, the scope of the present application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0029] In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance.
[0030] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For a person skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
Claims
1. A high voltage wireless charging device comprising a transmitter (1) and a receiver (2), characterized in that: The transmitter (1) comprises a transmitter protective shell (15), the inside of the transmitter protective shell (15) is provided with a transmitter coil (14), the top of the transmitter coil (14) is mounted with a transmitter coil support plate (13), the transmitter coil support plate (13) is mounted with a transmitter control board (12), the connecting point of the transmitter coil (14) and the transmitter control board (12) is matched, and the transmitter coil (14) is connected with the transmitter control board (12), the top edge of the transmitter protective shell (15) is covered with a transmitter shell (11), and the transmitter control board (12) is provided with four MOSFET transistors (3). The receiver (2) comprises a receiver shell (25), the inside of the receiver shell (25) is provided with a receiver control board (24), the top of the receiver control board (24) is provided with a receiver coil support plate (23), the top of the receiver coil support plate (23) is provided with a receiver coil (22), the connecting point of the receiver coil (22) and the receiver control board (24) is matched, and the top edge of the receiver shell (25) is covered with a receiver protective shell (21).
2. The high-voltage wireless charging device of claim 1, wherein: The outer side of the transmitter coil support plate (13) is integrally formed with four groups of connecting plates, and the inside of the four groups of connecting plates is provided with a first through hole, and the connecting plate is screwed through the first through hole and is screwed with the internal thread pipe on the transmitter protective shell (15).
3. The high-voltage wireless charging device of claim 1, wherein: The outer side of the transmitter shell (11) and the receiver shell (25) is integrally formed with an ear plate, and the inside of the ear plate is provided with a mounting hole.
4. The high-voltage wireless charging device of claim 1, wherein: The transmitter control board (12) and the transmitter coil (14) are circular sheet structures.
5. The high-voltage wireless charging device of claim 1, wherein: The top of the receiver protective shell (21) is uniformly provided with four groups of notches, and the inside of the notch is provided with a second through hole, the inner wall of the receiver shell (25) is uniformly provided with four groups of internal thread pipes, and the receiver protective shell (21) is screwed through the second through hole and is screwed with the internal thread pipe at the receiver shell (25).
6. The high-voltage wireless charging device of claim 1, wherein: The receiver control board (24) is a rectangular sheet structure.
7. The high-voltage wireless charging device of claim 1, wherein: The four corners of the receiver coil support plate (23) are integrally provided with a leaf plate, and two groups of third through holes are formed on each group of leaf plates, four groups of threaded holes are formed on the receiver control board (24), four groups of internal thread seats are mounted on the bottom of the inner wall of the receiver shell (25), and the two groups of third through holes on each group of leaf plates are screwed with the threaded holes on the receiver control board (24) and the internal thread seats on the receiver shell (25) respectively.