Thai-American six-hole USB socket module
By using high-frequency or planar transformers in USB socket modules, the problems of insufficient space and high cost of traditional sockets are solved, the module height reduction and cost reduction are achieved, and high-power fast charging is supported.
Patent Information
- Application Number
- CN202421794551.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-05-20
- Estimated Expiration
- 2034-07-29
AI Technical Summary
Due to the large internal components of traditional sockets, the socket space is increased and cannot be installed inside a standard wall socket/switch concealed bottom box. The multi-function socket is costly and cannot meet the market competition needs.
GaN high-frequency transformer or planar transformer is used to reduce the transformer height and save volume through other structures, so that the total height of the USB socket module is only 40mm, adapting to standard concealed bottom box installation.
It realizes the height reduction of the USB socket module, facilitates wiring, reduces production costs, enhances market competitiveness, and supports high-power fast charging.
Smart Images
Figure CN222887937U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sockets and switches, and particularly relates to a Thai-American six-hole USB socket module. Background Art
[0002] Sockets and switches are the most common household devices in people's daily lives. Sockets are used to provide power to devices, while switches control the power on and off of other electrical devices. With the development and popularization of electronic devices, people's demand for power sockets is increasing day by day. Traditional sockets usually only provide a single power interface and cannot meet the diverse charging needs of modern electronic devices. To solve this problem, various types of multifunctional sockets have emerged on the market, including sockets with USB interfaces, to adapt to the charging needs of different devices.
[0003] However, the socket with a USB interface needs to have components inside that can convert voltage and current, just like those in mobile phone and computer chargers, including circuit boards, power modules, capacitors, diodes, transformers, etc. Since these components themselves have volume, especially the transformer has the largest volume. Even if a high-frequency transformer is used, its volume is still not small, which leads to an increase in the space of the socket. However, the internal space of the flush-mounted box for wall sockets / switches only has two specifications of 50mm and 40mm, and there is no deeper one. The depth of a conventional wall socket / switch inserted into the bottom box is >45mm. Even if a non-modular integrated method is used, its depth inserted into the bottom box is >42mm. Moreover, the wall socket / switch needs to be connected to a 1.5mm2 wire, and the wire is relatively hard and difficult to bend, leaving very little space. As a result, it is extremely difficult to place the wall socket / switch into the flush-mounted box after connecting the wire.
[0004] Moreover, there are many types in a series of wall sockets / switches, such as 5 holes (1 two-hole + 1 three-hole), 6 holes (2 three-holes), 10 holes (2 two-holes + 2 three-holes), 5 holes + 1 single switch (1 two-hole + 1 three-hole + single switch), etc. Integration will result in a series of molds being required for each product. Unlike socket modules, only molds for different panels need to be opened, and the socket modules can adopt a general method, which greatly increases the cost and is not conducive to market competition.
[0005] In addition, the USB interfaces on the wall sockets on the market can basically only provide a charging mode of 5V 2A and do not support high-power fast charging. This is also because using high-power fast charging will cause the height of the wall socket to increase further and it cannot be installed inside the flush-mounted box. Content of the Utility Model
[0006] In order to overcome the deficiencies of the background art, the utility model provides a Thai-American six-hole USB socket module.
[0007] The technical solution of the utility model is as follows: It includes a rear seat, a contact piece, an upper cover, a safety door and a copper clip. The upper cover and the rear seat are snap-connected by a buckle. There is a socket hole on the upper cover. On the back of the socket hole on the upper cover, there is a safety door mounting seat. The safety door is installed in the safety door mounting seat. A pressing piece is fixedly installed below the safety door in the safety door mounting seat. The safety door makes a sliding movement in the safety door mounting seat;
[0008] The bottom of the rear seat is installed with a circuit board and a copper clip. A rack is installed at the middle position of the rear seat. A contact piece is installed on the rack. The contact piece forms a national standard two-hole socket or a three-hole socket. The contact piece extends to the copper clip through a conductive material. Electronic components are installed on the circuit board;
[0009] A USB circuit board is installed on the rack. A USB interface is provided on the USB circuit board. The USB circuit board is electrically connected to the circuit board.
[0010] Preferably, one end of the safety door is provided with a spring positioning seat. A spring is installed on the spring positioning seat. One end of the spring is fixed on the spring positioning seat, and the other end of the spring contacts the upper cover.
[0011] Preferably, the pressing piece is provided with a first groove, and the safety door is provided with a convex block. The convex block and the first groove cooperate with each other and the convex block makes a linear sliding movement in the first groove.
[0012] Preferably, the spring positioning seat is a protruding cylinder, and the head of the cylinder is provided with an oblique angle.
[0013] Preferably, the electronic components include a transformer, and the transformer is selected to meet the power and have the smallest height.
[0014] Preferably, the transformer is a gallium nitride high-frequency transformer.
[0015] Preferably, the transformer is a planar transformer.
[0016] Preferably, the bottom of the rear seat is provided with a copper clip mounting seat. The copper clip mounting seat is composed of 3 raised baffles at the bottom of the rear seat. The circuit board is provided with a second groove. The copper clip mounting seat and the second groove cooperate with each other and when the circuit board is installed on the rear seat, the copper clip mounting seat is stuck in the second groove; There is a wiring hole at the bottom of the copper clip mounting seat on the rear seat, and a screwdriver hole is provided on the side of the copper clip mounting seat on the rear seat.
[0017] Preferably, there are multiple positioning posts around the inside of the rear seat. The end faces (1041) of the multiple positioning posts are on the same horizontal plane. When the rack is installed on the rear seat, the rack contacts the end faces (1041) of the multiple positioning posts.
[0018] Preferably, a low-voltage pin base is installed on the circuit board. The low-voltage pin base is provided with a square pin hole. On the back of the USB circuit board, there are low-voltage pins, and the low-voltage pins are in mutual cooperation and electrical connection with the pin holes of the low-voltage pin base.
[0019] The beneficial effect of the present utility model is that by adopting a gallium nitride transformer or a planar transformer, the height of the transformer is greatly reduced. At the same time, the volume is saved through other structures. Finally, the total height of the USB socket module of the present utility model is only 40 mm, and the part inserted into the concealed installation bottom box is much less than 40 mm, which is convenient for wiring. Description of the Drawings
[0020] Figures 1 - 2 is an exploded view of the present utility model.
[0021] Figure 3 is a schematic structural diagram of the present utility model.
[0022] Figures 4 - 5 is a schematic structural diagram of the upper cover of the present utility model.
[0023] Figure 6 is a schematic structural diagram of the upper cover, safety door and spring of the present utility model.
[0024] Figure 7 is a schematic structural diagram of the upper cover, safety door, spring and pressing piece of the present utility model.
[0025] Figure 8 is a schematic structural diagram of the circuit board, rack and USB circuit board of the present utility model.
[0026] Figures 9 - 10 is a schematic structural diagram of the circuit board and USB circuit board of the present utility model.
[0027] Figures 1 - 10 In the figure, 1. Rear seat; 101. Screwdriver hole; 102. Copper clip mounting seat; 103. Wiring hole; 104. Positioning post; 1041. End face; 2. Circuit board; 21. Transformer; 22. Low-voltage pin base; 23. Second groove; 3. Rack
[0028] 4. Contact piece; 5. USB circuit board; 51. USB interface; 52. Low-voltage pin; 6. Upper cover; 61. Safety door mounting seat; 62. Socket hole; 72. Protrusion; 7. Safety door; 71. Spring positioning seat; 8. Spring; 9. Pressing piece; 91. First groove; 10. Copper clip. Detailed Embodiments
[0029] The following further describes the embodiments of the present utility model with reference to the drawings:
[0030] As Figures 1 - 10As shown in the figure, this embodiment provides a Thai-American six-hole USB socket module, which includes a rear seat 1, a contact piece 4, an upper cover 6, a safety door 7 and a copper clip 10. The upper cover 6 is snap-connected to the rear seat 1. Socket holes 62 are provided on the upper cover 6. A safety door mounting seat 61 is provided on the back of the socket holes 62 of the upper cover 6. The safety door 7 is installed in the safety door mounting seat 61. A pressing piece 9 is fixedly installed below the safety door 7 in the safety door mounting seat 61. The safety door 7 slides in the safety door mounting seat 61. According to the requirements of the new national standard for sockets, the socket should have a safety door 7, and a two-hole or three-hole plug needs to be inserted into the safety door 7 simultaneously to open it. When only one hole is inserted, the safety door cannot be opened. Therefore, the safety doors 7 of the two holes under a two-hole socket are integrated, so that when the plug is inserted into the socket module, the safety door will open, while when a child pokes a single hole with a pen, the safety door cannot be opened.
[0031] A circuit board 2 and a copper clip 10 are installed at the bottom of the rear seat 1. A rack 3 is installed at the middle position of the rear seat 1. A contact piece 4 is installed on the rack 3. The contact piece 4 forms a national standard two-hole socket or three-hole socket. The contact piece 4 extends to the copper clip 10 through a conductive material. Electronic components are installed on the circuit board 2. The copper clip is composed of a copper screw and a copper sheet. The copper screw can be screwed on the copper sheet. When the wire is inserted into the copper clip through the wiring hole 103, tightening the copper screw can make the copper clip clamp the wire.
[0032] A USB circuit board 5 is installed on the rack 3. USB interfaces 51 are provided on the USB circuit board 5. The USB circuit board 5 is electrically connected to the circuit board 2. The USB interfaces 51 are also divided into USB Type-A and USB Type-C interfaces. The USB Type-C interface supports high-power power supply. In the USB Type-C 2.1 version, the power supply capacity is increased to a maximum of 240 watts.
[0033] To improve the safety of the safety door 7, preferably, a spring positioning seat 71 is provided at one end of the safety door 7. A spring 8 is installed on the spring positioning seat 71. One end of the spring 8 is fixed on the spring positioning seat 71, and the other end of the spring 8 contacts the upper cover 6. In this way, when the plug is pulled out, the safety door 7 will reset under the action of the spring 8.
[0034] To prevent the accidental opening of the safety door 7 when a single hole is inserted and improve safety, preferably, a first groove 91 is provided on the pressing piece 9, and a convex block 72 is provided on the safety door 7. The convex block 72 and the first groove 91 cooperate with each other and the convex block 72 makes a linear sliding movement in the first groove 91. The safety doors 7 under the two-hole or three-hole socket are integrated. Also, since the safety door 7 can only make a linear sliding movement in the convex block 72 and the first groove 91, when only one hole is inserted, the safety door 7 cannot be opened due to different forces and imbalance.
[0035] To better install the spring 8 and prevent the spring 8 from slipping out by itself, preferably, the spring positioning seat 71 is a protruding cylinder, and the head of the cylinder is provided with an oblique angle. Of course, the oblique angle here can also be changed to a rounded corner, etc. Even the spring positioning seat 71 can be changed from a cylinder to a frustum with a smaller top and a larger bottom.
[0036] The traditional 5V2A power supply current no longer meets the charging requirements of current mobile phones. A high-power charger will inevitably make the volume of the transformer larger. In addition, to better reduce the height of the product of the present invention, preferably, the electronic components include a transformer 21, and the transformer 21 is selected to be a transformer that meets the power and has the smallest height. The transformer 21 is the tallest component on the circuit board 2 because the capacitor can still be placed horizontally on the circuit board.
[0037] For high-power charging, the heat generation of the transformer 21 is particularly serious. At the same time, high-power charging will also cause the volume of the transformer to become larger. Preferably, the transformer 21 is a gallium nitride high-frequency transformer. The frequency of the gallium nitride transformer is much higher than that of a conventional transformer. At the same time, the heat generation and volume of the gallium nitride transformer have very great advantages compared with those of a conventional transformer.
[0038] At present, a planar transformer has emerged on the market. The planar transformer is relatively flattened, that is, its height is very low, and it is very suitable for use in the product of the present invention because the USB socket module is to reduce the height, especially when installed on a flush-mounted bottom box, it should penetrate less into the flush-mounted bottom box. Preferably, the transformer 21 is a planar transformer.
[0039] Since the circuit board 2 and the copper clip 10 are both located at the bottom of the rear seat 1, and the copper clip 10 is directly connected to the household power supply wire, the voltage is relatively high, up to 110V, 220V, and even the household power supply voltage in some countries is higher than 220V. To prevent the circuit board 2 from directly contacting the copper clip 10 and prevent the circuit board from being punctured. Preferably, the bottom of the rear seat 1 is provided with a copper clip mounting seat 102, and the copper clip mounting seat 102 is composed of 3 baffles protruding from the bottom of the rear seat 1. The circuit board 2 is provided with a second groove 23. The copper clip mounting seat 102 and the second groove 23 cooperate with each other, and when the circuit board 2 is installed on the rear seat 1, the copper clip mounting seat 102 is stuck in the second groove 23; the rear seat 1 is provided with a wiring hole 103 at the bottom of the copper clip mounting seat 102, and the rear seat 1 is provided with a screwdriver hole 101 on the side of the copper clip mounting seat 102. In this way, the circuit board 2 and the copper clip 10 are separated by the copper clip mounting seat 102. The rear seat 1 is made of insulating plastic material as a whole. In addition, the copper clip mounting seat 102 can also position the circuit board 2 during installation.
[0040] Of course, the power supply wire of the circuit board 2 is electrically connected to the copper clip 10 to realize the power supply to the circuit board 2.
[0041] To prevent the shelf 3 from directly pressing on the transformer 21 during installation, since the transformer 21 is the highest component on the circuit board. Preferably, a plurality of positioning posts 104 are provided around the inside of the rear seat 1, and the end faces 1041 of the plurality of positioning posts 104 are on the same horizontal plane. When the shelf 3 is installed on the rear seat 1, the shelf 3 contacts the end faces 1041 of the plurality of positioning posts 104. In this way, when the shelf 3 is installed, the shelf 3 is directly placed on the plurality of positioning posts 104, and at the same time, the gap between the bottom of the shelf 3 and the transformer 21 is very small, which also reduces the height of the socket module of the present invention.
[0042] Since the USB interface 51 needs to be at the same height as the two-hole or three-hole of the product of the present invention, the installation position of the USB circuit board 5 will be higher than that of the circuit board 2. Connecting the USB circuit board 5 and the circuit board 2 with wires is not convenient for the installation of the product and also affects the reliability of the product. Preferably, a low-voltage pin socket 22 is installed on the circuit board 2. The low-voltage pin socket 22 is provided with a square pin hole, and a low-voltage pin 52 is provided on the back of the USB circuit board 5. The low-voltage pin 52 is matched with and electrically connected to the pin hole of the low-voltage pin socket 22. A simple and easy-to-use connector is formed by the low-voltage pin 52 and the low-voltage pin socket 22 to realize power supply.
[0043] In the attached drawings of the product of the present invention, only the drawings of six holes (i.e., 2 three holes), 1 USB Type-A and 1 USB Type-C interface are provided. However, the USB socket module of the present invention can be easily changed to five holes (1 three hole and 1 two hole), 10 holes, etc., only by widening this USB socket module without increasing the height of this product. In addition, multiple USB interfaces 51 can be set according to needs, and the USB interfaces 51 can also adopt different interface combination methods, such as 2 or 1 USB Type-A, etc.
[0044] In addition, although the name of the present invention contains words such as "Thai style" and "American style", the national standard socket can still use the creation of the present invention, only by changing the socket hole size to the national standard.
[0045] This embodiment should not be regarded as a limitation of the utility model, but any improvement based on the spirit of the present invention should be within the protection scope of the present invention.
Claims
1. A Thai-American six-hole USB socket module, comprising a rear seat (1), a contact sheet (4), an upper cover (6), a safety door (7) and a copper clip (10), characterized in that: The upper cover (6) is connected to the rear seat (1) by means of a buckle, a socket hole (62) is provided on the upper cover (6), a safety door mounting seat (61) is provided on the back of the socket hole (62), the safety door (7) is mounted in the safety door mounting seat (61), a pressing sheet (9) is fixedly mounted on the safety door mounting seat (61) below the safety door (7), and the safety door (7) slides in the safety door mounting seat (61); A circuit board (2) and a copper clip (10) are mounted on the bottom of the rear seat (1); a shelf (3) is mounted in the middle of the rear seat (1); a contact sheet (4) is mounted on the shelf (3); the contact sheet (4) forms a national standard two-hole socket or a three-hole socket; the contact sheet (4) extends to the copper clip (10) through a conductive material; and electronic components are mounted on the circuit board (2); A USB circuit board (5) is mounted on the rack (3), a USB interface (51) is provided on the USB circuit board (5), and the USB circuit board (5) is electrically connected to the circuit board (2).
2. The Thai-American six-hole USB socket module according to claim 1, characterized in that: A spring positioning seat (71) is provided at one end of the safety door (7), a spring (8) is mounted on the spring positioning seat (71), one end of the spring (8) is fixed on the spring positioning seat (71), and the other end of the spring (8) is in contact with the upper cover (6).
3. The Thai-American six-hole USB socket module according to claim 2, characterized in that: The pressing sheet (9) is provided with a first groove (91), and the safety door (7) is provided with a protrusion (72). The protrusion (72) and the first groove (91) cooperate with each other, and the protrusion (72) performs linear sliding motion in the first groove (91).
4. The Thai-American six-hole USB socket module according to claim 2, characterized in that: The spring positioning seat (71) is a raised cylinder, and the head of the cylinder is provided with an oblique angle.
5. The Thai-American six-hole USB socket module according to claim 1, characterized in that: The electronic components include a transformer (21), and the transformer (21) is a transformer that meets power requirements and has a minimum height.
6. The Thai-American six-hole USB socket module according to claim 5, characterized in that: The transformer (21) is a gallium nitride high-frequency transformer.
7. The Thai-American six-hole USB socket module according to claim 5, characterized in that: The transformer (21) is a planar transformer.
8. The Thai-American six-hole USB socket module according to claim 1, characterized in that: A copper clip mounting seat (102) is provided at the bottom of the rear seat (1), and the copper clip mounting seat (102) is composed of three baffles protruding from the bottom of the rear seat (1); the circuit board (2) is provided with a second groove (23), and the copper clip mounting seat (102) and the second groove (23) cooperate with each other and when the circuit board (2) is mounted on the rear seat (1), the copper clip mounting seat (102) is stuck in the second groove (23); the rear seat (1) is provided with a wiring hole (103) at the bottom of the copper clip mounting seat (102), and the rear seat (1) is provided with a screwdriver hole (101) on the side of the copper clip mounting seat (102).
9. The Thai-American six-hole USB socket module according to claim 1, characterized in that: A plurality of positioning columns (104) are arranged around the interior of the rear seat (1), and the end surfaces (1041) of the plurality of positioning columns (104) are located at the same horizontal plane. When the shelf (3) is installed on the rear seat (1), the shelf (3) contacts the end surfaces (1041) of the plurality of positioning columns (104).
10. The Thai-American six-hole USB socket module according to claim 1, characterized in that: A low-voltage needle seat (22) is mounted on the circuit board (2), the low-voltage needle seat (22) being provided with a square pinhole, and a low-voltage plug pin (52) is provided on the back of the USB circuit board (5), the low-voltage plug pin (52) and the pinhole of the low-voltage needle seat (22) being matched with each other and electrically connected.