Wireless transmission module

Abstract

The utility model provides a wireless transmission module used for transmitting energy or signals. The wireless transmission module comprises a coil assembly and a first base. The coil assembly is provided with a winding shaft. The first base corresponds to the coil assembly. The coil assembly and the first base are arranged along the winding shaft.

Description

Technical Field

[0001] This utility model relates to a wireless transmission module, and more particularly to a wireless transmission module used in wireless communication or wireless charging. Background Technology

[0002] With the development of technology, many electronic devices today (such as tablets or smartphones) have wireless charging capabilities. Users can place the electronic device on a wireless charging transmitter, allowing the wireless charging receiver in the device to generate current using electromagnetic induction or electromagnetic resonance to charge the battery. Due to the convenience of wireless charging, electronic devices with wireless charging modules are gradually becoming more popular.

[0003] Generally, wireless charging modules include a magnetic substrate that carries a coil. When the coil is energized and operates in a wireless charging mode or a wireless communication mode, the magnetic substrate can concentrate the magnetic lines of force emitted by the coil to achieve better performance. However, the structure of existing wireless charging (or communication) modules and the winding method of the coil cannot meet the various requirements of wireless transmission modules, such as the need for better charging and communication performance and a more miniaturized size.

[0004] Therefore, how to design a wireless transmission module that can meet the various needs of users is a topic worthy of discussion and solution today. Utility Model Content

[0005] In view of this, the present invention proposes a wireless transmission module to solve the above problems.

[0006] This invention provides a wireless transmission module for transmitting energy or signals, including a coil assembly and a first base. The coil assembly has a winding shaft. The first base corresponds to the coil assembly. The coil assembly and the first base are arranged along the winding shaft.

[0007] According to some embodiments of the present invention, the wireless transmission module further includes a second base configured to support the coil assembly and the first base. The second base has a first side plate and a second side plate. The first side plate and the second side plate are opposite to each other. The coil assembly and the first base are disposed on the first side plate. The wireless transmission module also includes a plurality of electronic components disposed on the second side plate. These electronic components include resistors, capacitors, inductors, integrated circuit chips, or combinations thereof. These electronic components do not include any coil used for wireless transmission.

[0008] According to some embodiments of the present invention, the second base further includes a first electrical contact and a second electrical contact, disposed on the first side plate. The coil assembly includes a winding body, a first lead, and a second lead. The first lead and the second lead extend from the winding body and are configured to connect to the first electrical contact and the second electrical contact, respectively. The thickness of the coil assembly on the winding shaft is less than 1 mm. The width of the first lead or the second lead is greater than 1 mm.

[0009] According to some embodiments of the present invention, the second base further includes multiple traces, partially disposed between the first side plate and the second side plate. The second base also includes a central layer plate disposed between the first and second side plates. A portion of these traces is located in the central layer plate. At least one of these traces is configured to be electrically connected to two of the electronic components. When viewed along the winding axis, a portion of these traces overlaps with a portion of the coil assembly. The second base also includes two power input contacts disposed on the second side plate. The two power input contacts are configured to be electrically connected to one of the electronic components via two of these traces. The wireless transmission module further includes a first bonding component, a second bonding component, and a protective component. The coil assembly is fixed to the first base via the first bonding component and the protective component. The first base is fixed to the first side plate via the second bonding component. The protective component corresponds to the second bonding component. The first base is disposed between the second bonding component and the protective component. When viewed along the winding axis, the protective component completely obscures the first base.

[0010] According to some embodiments of the present invention, the second base further includes a plurality of detection contacts disposed on the second side plate. These detection contacts are configured to be electrically connected to at least one of the electronic components. The second base also includes a first through hole and a second through hole. The first through hole and the second through hole penetrate the central layer plate. The detection contacts include a first detection contact and a second detection contact. The first through hole is configured to connect to the first electrical contact and the first detection contact. The second through hole is configured to connect the second electrical contact and the second detection contact.

[0011] According to some embodiments of the present invention, a first base has a first opening corresponding to a first electrical contact and a second electrical contact. When viewed along the winding axis, the first and second electrical contacts are exposed through the first opening. When viewed along the winding axis, a portion of the first lead and the second lead overlaps the first opening. The wireless transmission module further includes a first bonding assembly and a second bonding assembly. The first bonding assembly has an annular structure corresponding to the winding body. The size of the first bonding assembly differs from the size of the winding body. The first bonding assembly is configured to fix the coil assembly to the first base. The shape of the second bonding assembly corresponds to the shape of the first base. The second bonding assembly is configured to fix the first base to the second base. When viewed along the winding axis, the second base has a rectangular structure. The second base defines a first axial direction and a second axial direction. The first axial direction is perpendicular to the second axial direction. The winding axis is perpendicular to both the first and second axial directions. When viewed along the first axial direction, a portion of the first lead and the second lead overlaps the first base. When viewed along the second axial direction, a portion of the first lead and the second lead overlaps the first base. The first lead and a portion of the second lead are located in the first opening.

[0012] According to some embodiments of the present invention, when viewed along the winding axis, the rectangular structure has a first side. A first opening is located at the first side. When viewed along the winding axis, the first base has a U-shaped structure. The second coupling assembly has a second opening corresponding to the first opening. When viewed along the winding axis, the second coupling assembly has a U-shaped structure. When viewed along the winding axis, the first opening does not overlap with the winding body. The first lead and the second lead extend outward from the winding body to the first electrical contact and the second electrical contact, respectively.

[0013] According to some embodiments of the present invention, in the second axial direction, the second base has a first width. In the second axial direction, the first base has a second width. The second width is more than 90% of the first width. The winding body has a diameter. The diameter is more than 70% of the second width.

[0014] According to some embodiments of the present invention, when viewed along the winding axis, the rectangular structure has a central region. A first opening is located in the central region. When viewed along the winding axis, the first base has a frame-shaped structure. The second coupling assembly has a second opening corresponding to the first opening. When viewed along the winding axis, the second coupling assembly has a frame-shaped structure. When viewed along the winding axis, the winding body surrounds the first opening. When viewed along the winding axis, the winding body surrounds the first electrical contact and the second electrical contact. When viewed along the winding axis, the winding body surrounds the first lead and the second lead. The first lead and the second lead extend inward from the winding body to the first electrical contact and the second electrical contact.

[0015] According to some embodiments of the present invention, the second base further includes a first through hole and a second through hole. The first through hole is configured to connect to a first electrical contact. The second through hole is configured to connect to a second electrical contact. When viewed along the winding axis, the winding body surrounds the first through hole and the second through hole. The coil assembly is electrically connected to at least one of these electronic components via the first through hole and the second through hole. In a second axial direction, the second base has a first width. In the second axial direction, the first base has a second width. The second width is more than 90% of the first width. The winding body has a diameter. The diameter is more than 80% of the second width.

[0016] This invention provides a wireless transmission module, comprising a coil assembly, a first base, and a second base. The coil assembly and the first base are disposed on a first side plate of the second base, and multiple electronic components are disposed on the second side plate of the second base. Since all electronic components are disposed on the second side plate, the process time for surface mount technology can be reduced by half, and it also facilitates the operator in installing the coil assembly on the first side plate, increasing assembly convenience.

[0017] Alternatively, the second base can be a printed circuit board with multiple power-carrying traces inside, while the first base can be a magnetic material, such as ferrite. Because the first base is positioned between the coil assembly and these traces, these traces and the coil assembly will not interfere with each other and can operate normally. That is, the first base has the function of protection and isolation from signal interference. Attached Figure Description

[0018] This invention will become clear from the following detailed description and accompanying drawings. It should be emphasized that, in accordance with industry standard practice, the various features are not drawn to scale and are for illustrative purposes only. In fact, for clarity of explanation, the dimensions of the various features may be arbitrarily enlarged or reduced.

[0019] Figure 1 This is a perspective view of a wireless transmission module 10 according to an embodiment of the present invention.

[0020] Figure 2 This is a perspective view of a wireless transmission module 10 according to an embodiment of the present invention from another angle.

[0021] Figure 3 This is a perspective view of a wireless transmission module 100 according to an embodiment of the present invention.

[0022] Figure 4 This is a bottom view of a wireless transmission module 100 according to an embodiment of the present invention.

[0023] Figure 5According to an embodiment of the present invention, the wireless transmission module 100 is along... Figure 3 A cross-sectional view of the midline segment AA.

[0024] Figure 6 This is a perspective view of a wireless transmission module 100A according to an embodiment of the present invention.

[0025] Figure 7 This is an exploded view of a wireless transmission module 100A according to an embodiment of the present invention from another perspective.

[0026] Figure 8 This is a front view of a wireless transmission module 100A according to an embodiment of the present invention.

[0027] Figure 9 This is a perspective view of a wireless transmission module 100B according to an embodiment of the present invention.

[0028] Figure 10 This is an exploded view of a wireless transmission module 100B according to an embodiment of the present invention.

[0029] Figure 11 This is a top view of a wireless transmission module 100B according to an embodiment of the present invention.

[0030] Symbol explanation:

[0031] 10: Wireless transmission module

[0032] 12: Coil Assembly

[0033] 13: First joining component

[0034] 15: Induction Base

[0035] 16: Second joining component

[0036] 18: Substrate

[0037] 20: Electronic Components

[0038] 100: Wireless transmission module

[0039] 100A: Wireless transmission module

[0040] 100B: Wireless transmission module

[0041] 102: Coil Assembly

[0042] 1020: Winding body

[0043] 1021: First Lead

[0044] 1022: Second lead

[0045] 104: First joining component

[0046] 106: First Pedestal

[0047] 1061: First Opening

[0048] 108: Second Plinth

[0049] 1081: First side plate

[0050] 1082: Second side panel

[0051] 1083: First side

[0052] 1084: Central Layer

[0053] 108C: Central Area

[0054] 110: Second joining component

[0055] 1101: Second opening

[0056] 111: Protection Components

[0057] 1111: The third opening

[0058] 151: Resistor

[0059] 152: Inductor

[0060] 153: Capacitor

[0061] 154: Integrated Circuit Chip

[0062] 155: Transistor

[0063] AX1: First axial direction

[0064] AX2: Second Axis

[0065] DT1: First diameter

[0066] DT2: Second diameter

[0067] EC1: First electrical contact

[0068] EC2: Second electrical contact

[0069] PC1: Power input contact

[0070] RX: winding spool

[0071] SF1: First Page

[0072] SF2: Second Side

[0073] TH1: Thickness

[0074] TP1: Detection Contact

[0075] TP11: First detection contact

[0076] TP12: Second detection contact

[0077] TR11: Wiring

[0078] TR12: Wiring

[0079] TR13: Wiring

[0080] TR14: Wiring

[0081] TR15: Wiring

[0082] TW1: Width

[0083] VA1: First through hole

[0084] VA2: Second through hole

[0085] WR1: First lead

[0086] WR2: Second lead

[0087] WT11: First width

[0088] WT12: First width

[0089] WT21: Second Width

[0090] WT22: Second width

[0091] X: X-axis

[0092] Y: Y-axis

[0093] Z: Z-axis Detailed Implementation

[0094] The following discloses many different implementations or examples to achieve different features of the provided objective. Specific embodiments of components and their arrangements are described below to illustrate the present invention. Of course, these embodiments are merely illustrative and should not be construed as limiting the scope of the present invention. For example, the specification mentions that a first feature is formed on a second feature. This may include embodiments where the first and second feature are in direct contact, or embodiments where there are other features between the first and second feature; in other words, the first and second feature are not in direct contact.

[0095] Furthermore, repeated reference numerals or designations may be used in different embodiments. These repetitions are merely for the purpose of clearly and simply describing the present invention and do not represent a specific relationship between the different embodiments and / or structures discussed. Additionally, the formation, connection, and / or coupling to another feature component in the present invention may include embodiments in which the feature components are formed in direct contact, and may also include embodiments in which additional feature components may be formed to be inserted into the aforementioned feature component, such that the aforementioned feature components may not be in direct contact. Furthermore, spatially related terms may be used, such as “vertical,” “above,” “up,” “below,” “bottom,” and similar terms (e.g., “downward,” “upward,” etc.). These spatially related terms are used to facilitate the description of the relationship between one component(s) or feature(s) and another component(s) or feature(s) in the illustrations, and these spatially related terms are intended to cover different orientations of the device including the feature.

[0096] Unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure pertains. It is understood that these terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning consistent with the relevant art and the background or context of this invention, and should not be interpreted in an idealized or overly formal manner, unless specifically defined herein.

[0097] Furthermore, the ordinal numbers used in the specification and claims, such as "first" and "second," to modify the components in the claims, do not in themselves imply or represent any prior ordinal number of the claimed component, nor do they represent the order of one claimed component with another, or the order of manufacturing methods. The use of these ordinal numbers is only to enable a claimed component with a certain name to be clearly distinguished from another claimed component with the same name.

[0098] Furthermore, in some embodiments of this utility model, terms such as "connection" and "interconnection," unless specifically defined, may refer to two structures in direct contact, or to two structures not in direct contact, wherein another structure is disposed between the two structures. Moreover, these terms regarding joining and connecting may also include cases where both structures are movable or both structures are fixed.

[0099] Please refer to Figure 1 as well as Figure 2 , Figure 1 This is a perspective view of a wireless transmission module 10 according to an embodiment of the present invention, and Figure 2 This is a perspective view of a wireless transmission module 10 according to an embodiment of the present invention from another angle. Figure 1As shown, the wireless transmission module 10 is a wireless transmission module that can be used to transmit energy or signals. In this embodiment, the wireless transmission module 10 may include a coil assembly 12, a first bonding assembly 13, a sensing base 15, a second bonding assembly 16, and a substrate 18.

[0100] In this embodiment, the coil assembly 12, the first bonding assembly 13, the sensing base 15, the second bonding assembly 16, and the substrate 18 are arranged sequentially and stacked along the extension direction of a winding shaft RX of the coil assembly 12.

[0101] Specifically, the coil assembly 12 is fixedly disposed on the sensing base 15 via the first bonding assembly 13, and the sensing base 15 is fixedly disposed on the substrate 18 via the second bonding assembly 16. In this embodiment, the coil assembly 12 may be a wound coil, the sensing base 15 may be a magnetic body, the first bonding assembly 13 and the second bonding assembly 16 may be double-sided adhesive or single-sided adhesive, and the substrate 18 may be a printed circuit board, but is not limited thereto.

[0102] like Figure 1 and Figure 2 As shown, the substrate 18 has a first surface SF1 and a second surface SF2, with the coil assembly 12 and the sensing base 15 disposed on the first surface SF1. Furthermore, the wireless transmission module 10 may also include multiple electronic components 20 and two electrical contacts 22 disposed on the second surface SF2. The electronic components 20 may be, for example, capacitors, resistors, transistors, integrated circuit chips, etc.

[0103] like Figure 1 and Figure 2 As shown, the coil assembly 12 has a first lead WR1 and a second lead WR2, which are respectively connected to two electrical contacts 22. It is worth noting that the first lead WR1 and the second lead WR2 are stretched from the first surface SF1 to the second surface SF2, and an adhesive gel can be provided at the junction of the first surface SF1 and the second surface SF2 to fix the first lead WR1 and the second lead WR2.

[0104] With this configuration, since all electronic components 20 are located on the second surface SF2, there is no need to perform surface mount technology (SMT) processes on both surfaces, which can reduce the SMT process time by half. It also makes it easier for operators to install the coil assembly 12 on the first surface SF1, increasing the convenience of assembly.

[0105] Please refer to the following: Figures 3 to 5 . Figure 3 This is a perspective view of a wireless transmission module 100 according to an embodiment of the present invention. Figure 4This is a bottom view of a wireless transmission module 100 according to an embodiment of the present invention, and Figure 5 According to an embodiment of the present invention, the wireless transmission module 100 is along... Figure 3 A cross-sectional view of the middle segment AA. In this embodiment, the wireless transmission module 100 may include a coil assembly 102 and a first base 106, wherein the coil assembly 102 defines a winding axis RX, the first base 106 corresponds to the coil assembly 102, and the coil assembly 102 and the first base 106 are arranged along the winding axis RX.

[0106] Furthermore, the wireless transmission module 100 may also include a second base 108 configured to carry the coil assembly 102 and the first base 106. The second base 108 has a first side plate 1081 and a second side plate 1082, with the first side plate 1081 and the second side plate 1082 opposite to each other. For example, the first side plate 1081 and the second side plate 1082 are located on opposite sides of the second base 108.

[0107] The coil assembly 102 and the first base 106 are disposed on the first side plate 1081. Specifically, the wireless transmission module 100 may further include a first bonding component 104, a second bonding component 110, and a protective component 111. The coil assembly 102 is fixed to the first base 106 through the first bonding component 104 and the protective component 111, and the first base 106 is fixed to the first side plate 1081 of the second base 108 through the second bonding component 110.

[0108] In this embodiment, the first base 106 is configured to alter the electromagnetic field distribution near the coil assembly 102. The first base 106 may be a magnetic material, such as ferrite, but is not limited thereto. For example, in other embodiments, the first base 106 may also comprise a nanocrystalline material. The first base 106 may have a permeability corresponding to the coil assembly 102, thereby concentrating the electromagnetic waves emitted by the coil assembly 102.

[0109] The first bonding component 104, the second bonding component 110, and the protective component 111 may be double-sided or single-sided adhesive for bonding to one or two adjacent components. In some embodiments, the first bonding component 104, the second bonding component 110, or the protective component 111 may be made of polyethylene terephthalate (PET), but is not limited thereto. For example, the first bonding component 104, the second bonding component 110, and the protective component 111 may also be made of polypropylene (PP).

[0110] like Figure 5As shown, the protective component 111 corresponds to the second joining component 110. For example, the protective component 111 and the second joining component 110 may have the same size, and the first base 106 is disposed between the second joining component 110 and the protective component 111, such that the second joining component 110 and the protective component 111 together cover and protect the first base 106.

[0111] For example, such as Figure 3 As shown, when viewed along the winding axis RX, the protective component 111 completely shields the first base 106, but is not limited thereto. In other embodiments, the protective component 111 may also be omitted.

[0112] In this embodiment, the coil assembly 102 can serve as a charging coil for wireless charging by an external charging device. For example, the coil assembly 102 can serve as a resonant charging coil based on the Alliance for Wireless Power (A4WP) standard, but is not limited thereto.

[0113] Additionally, the coil assembly 102 can be based on Wireless Power Consortium (WPC) standards, such as the Qi standard, to function as an inductive charging coil. Therefore, this embodiment allows the coil assembly 102 to simultaneously support different charging methods, increasing its applicability. For example, inductive operation can be used at close range (e.g., less than 1 cm), while resonant operation can be used at longer distances.

[0114] In this embodiment, the coil assembly 102 can also serve as a communication coil, for example, operating in Near Field Communication (NFC) mode to communicate with external electronic devices.

[0115] Similar to the foregoing embodiments, the wireless transmission module 100 also includes a plurality of electronic components disposed on the second side panel 1082. These electronic components may include, but are not limited to, resistors 151, inductors 152, capacitors 153, integrated circuit chips 154, transistors 155, or combinations thereof.

[0116] It is also worth noting that these electronic components do not include any coils for wireless transmission. That is, the wireless transmission module 100 has only a single coil assembly 102 disposed on the first side plate 1081, while no coils for wireless transmission are disposed on the second side plate 1082.

[0117] like Figure 3 and Figure 5As shown, the second base 108 also has a first electrical contact EC1 and a second electrical contact EC2, which are disposed on the first side plate 1081 and configured to be electrically connected to the coil assembly 102.

[0118] like Figure 3 As shown, the coil assembly 102 has a winding body 1020, a first lead 1021 and a second lead 1022. The first lead 1021 and the second lead 1022 extend from the winding body 1020 and are configured to be connected to the first electrical contact EC1 and the second electrical contact EC2, respectively.

[0119] It is worth noting that the coil assembly 102 can be a patterned coil with a thin structure. Specifically, such as... Figure 5 As shown, the thickness TH1 of the winding of the coil assembly 102 on the winding axis RX (Z axis) is less than 1 mm, for example, 0.38 mm, but is not limited thereto.

[0120] Furthermore, such as Figure 3 As shown, the width TW1 of the first lead 1021 or the second lead 1022 is greater than 1 mm, for example, 1.5 mm or 2 mm, but is not limited thereto. Based on this configuration, the overall thickness of the wireless transmission module 100 can be further reduced, achieving miniaturization.

[0121] Next, in this embodiment, as Figure 4 As shown, the second base 108 may be a printed circuit board, which may contain multiple traces, partially disposed between the first side plate 1081 and the second side plate 1082.

[0122] In this embodiment, the second base 108 has a multi-layer structure, for example, such as Figure 5 As shown, the first side plate 1081 is the first layer, the second side plate 1082 is, for example, the fourth layer, and the second base 108 also includes a central layer plate 1084, which is disposed between the first side plate 1081 and the second side plate 1082.

[0123] The central layer 1084 is, for example, the third and fourth layers, and a portion of these traces are located within the central layer 1084. These traces can be distributed across the third and fourth layers or two other layers.

[0124] These traces are configured to electrically connect to these electronic components. For example, such as Figure 4 As shown, one of the traces, TR11, connects the integrated circuit chip 154 ​​and the resistor 151, while the other trace, TR12, connects the integrated circuit chip 154 ​​and the capacitor 153.

[0125] It is worth noting that, such as Figure 4 As shown, when viewed along the winding axis RX (Z-axis), a portion of these traces (e.g., trace TR12) overlaps a portion of the coil assembly 102. Because the first base 106 is positioned between the coil assembly 102 and these traces, the traces and the coil assembly 102 do not interfere with each other and can operate normally. That is, the first base 106 has both protective and isolating functions.

[0126] Please continue to refer to this. Figure 4 In this embodiment, the second base 108 further includes two power input contacts PC1 disposed on the second side panel 1082. The two power input contacts PC1 are configured to be electrically connected to one of the electronic components via two of these traces. For example, the two power input contacts PC1 are electrically connected to the inductor 152 via two traces TR13.

[0127] Additionally, the second base 108 may also include multiple detection contacts TP1 disposed on the second side plate 1082. These detection contacts TP1 are configured to be electrically connected to at least one of these electronic components. Users can use the detection contacts TP1 to detect whether these electronic components are operating normally.

[0128] For example, the test contact TP1 can be electrically connected to the integrated circuit chip 154 ​​via the trace TR14, so that the user can use the test contact TP1 to detect whether the integrated circuit chip 154 ​​is operating normally.

[0129] Furthermore, such as Figure 4 and Figure 5 As shown, the second base 108 also includes a first through hole VA1 and a second through hole VA2, and the first through hole VA1 and the second through hole VA2 penetrate the central layer plate 1084.

[0130] These detection contacts TP1 may include a first detection contact TP11 and a second detection contact TP12, a first through hole VA1 is configured to connect to the first electrical contact EC1 and the first detection contact TP11, and a second through hole VA2 is configured to connect to the second electrical contact EC2 and the second detection contact TP12.

[0131] For example, such as Figure 5 As shown, the second through-hole VA2 is connected to the second electrical contact EC2, and the second through-hole VA2 is then connected to the second detection contact TP12 via the trace TR15. Therefore, the user can detect the coil assembly 102 through the first detection contact TP11 and the second detection contact TP12.

[0132] Please refer to the following: Figures 6 to 8 . Figure 6This is a perspective view of a wireless transmission module 100A according to an embodiment of the present invention. Figure 7 This is an exploded view of a wireless transmission module 100A according to an embodiment of the present invention from another perspective. Figure 8 This is a front view of a wireless transmission module 100A according to an embodiment of the present invention.

[0133] Similar to the aforementioned embodiments, the wireless transmission module 100A of this embodiment includes a coil assembly 102, a first bonding assembly 104, a first base 106, a second bonding assembly 110, and a second base 108, which are arranged sequentially and stacked together along the extension direction of the winding shaft RX.

[0134] Similarly, the coil assembly 102 is fixed to the first base 106 by the first bonding assembly 104, the first base 106 is fixed to the first side plate 1081 of the second base 108 by the second bonding assembly 110, and multiple electronic components (such as inductor 152, capacitor 153, integrated circuit chip 154, etc.) are disposed on the second side plate 1082.

[0135] It is worth noting that, in this embodiment, as Figure 6 and Figure 7 As shown, the first base 106 has a first opening 1061, corresponding to the first electrical contact EC1 and the second electrical contact EC2.

[0136] When viewed along the winding shaft RX, the first electrical contact EC1 and the second electrical contact EC2 are exposed through the first opening 1061, and when viewed along the winding shaft RX, a portion of the first lead 1021 and the second lead 1022 overlap the first opening 1061.

[0137] In addition, such as Figure 7 As shown, the first engagement component 104 has a ring structure, corresponding to the winding body 1020. That is, the winding body 1020 also has a ring structure. The size of the first engagement component 104 is different from the size of the coil assembly 102. For example, the size of the first engagement component 104 is slightly larger than or equal to the size of the coil assembly 102 (but not limited thereto) to fix the coil assembly 102 to the first base 106.

[0138] Similarly, the shape of the second engagement component 110 corresponds to the shape of the first base 106, and the size of the second engagement component 110 is approximately equal to the size of the first base 106 (within tolerance) to secure the first base 106 to the second base 108.

[0139] Furthermore, such as Figure 6 and Figure 7As shown, when viewed along the winding axis RX, the second base 108 has a rectangular structure, and the second base 108 can define a first axis AX1 and a second axis AX2. The first axis AX1 is perpendicular to the second axis AX2.

[0140] like Figure 8 As shown, when viewed along the first axis AX1 (Y-axis), a portion of the first lead 1021 and the second lead 1022 overlap the first base 106 and the second bonding assembly 110.

[0141] Similarly, such as Figure 6 As shown, when viewed along the second axis AX2, a portion of the first lead 1021 and the second lead 1022 overlap the first base 106. That is, a portion of the first lead 1021 and the second lead 1022 are located in the first opening 1061.

[0142] like Figure 6 and Figure 7 As shown, when viewed along the winding axis RX, the rectangular structure of the second base 108 has a first side 1083, and the first opening 1061 is located at the first side 1083. When viewed along the winding axis RX, the first base 106 may have a U-shaped structure.

[0143] Similarly, the second engagement assembly 110 has a second opening 1101 corresponding to the first opening 1061, and as... Figure 6 As shown, the second opening 1101 is also located at the first side 1083. Similarly, when viewed along the winding axis RX, the second engagement assembly 110 also has a U-shaped structure.

[0144] like Figure 6 As shown, when viewed along the winding axis RX, the first opening 1061 does not overlap with the winding body 1020, and the first lead 1021 and the second lead 1022 extend outward from the winding body 1020 to the first electrical contact EC1 and the second electrical contact EC2.

[0145] Based on the configuration of the first opening 1061 and the second opening 1101, the first electrical contact EC1 and the second electrical contact EC2 can be exposed, which facilitates the soldering of the first lead 1021 and the second lead 1022 to the first electrical contact EC1 and the second electrical contact EC2 respectively, thus increasing the convenience of the manufacturing process.

[0146] In addition, similar to the aforementioned embodiments, such as Figure 8As shown, the second base 108 also includes a first through hole VA1 and a second through hole VA2. The first through hole VA1 is configured to connect to the first electrical contact EC1 and the first detection contact TP11, and the second through hole VA2 is configured to connect to the second electrical contact EC2 and the second detection contact TP12, so that the user can detect the coil assembly 102 through the first detection contact TP11 and the second detection contact TP12.

[0147] Furthermore, in this embodiment, such as Figure 6 As shown, along the second axis AX2, the second base 108 may have a first width WT11, and along the second axis AX2, the first base 106 has a second width WT21. The second width WT21 is more than 90% of the first width WT11.

[0148] Similarly, such as Figure 6 As shown, the winding body 1020 may have a diameter (first diameter DT1), and the first diameter DT1 is more than 70 percent of the second width WT21. Based on this configuration, the winding body 1020 of the coil assembly 102 can be maximized, for example, by having more turns or a larger wire width, so that the efficiency of the coil assembly 102 can be maximized within a limited size.

[0149] Please refer to the following: Figures 9 to 11 . Figure 9 This is a perspective view of a wireless transmission module 100B according to an embodiment of the present invention. Figure 10 This is an exploded view of a wireless transmission module 100B according to an embodiment of the present invention, and Figure 11 This is a top view of a wireless transmission module 100B according to an embodiment of the present invention.

[0150] Similar to the aforementioned embodiments, the wireless transmission module 100B of this embodiment includes a coil assembly 102, a first bonding assembly 104, a protection assembly 111, a first base 106, a second bonding assembly 110, and a second base 108, which are arranged sequentially along the extension direction of the winding shaft RX.

[0151] Similarly, the coil assembly 102 is fixed to the first base 106 by the first engagement assembly 104 and the protection assembly 111, the first base 106 is fixed to the first side plate 1081 of the second base 108 by the second engagement assembly 110, and a plurality of electronic components are disposed on the second side plate 1082.

[0152] It is worth noting that in this embodiment, when viewed along the winding axis RX, the second base 108 has a rectangular structure, and when viewed along the winding axis RX, the rectangular structure may have a central region 108C, such as... Figure 10 As shown.

[0153] Similar to the previous embodiment, the first base 106 in this embodiment also has a first opening 1061, and the first opening 1061 is located at the central region 108C. For example, as Figure 11 As shown, when viewed along the winding axis RX, the central region 108C also has a rectangular structure, and the first opening 1061 is located within the range of the central region 108C.

[0154] In this embodiment, the first opening 1061 is formed at the center of the first base 106, so the first base 106 has a frame-shaped structure when viewed along the winding axis RX.

[0155] Correspondingly, the second engagement assembly 110 has a second opening 1101 corresponding to the first opening 1061, and when viewed along the winding axis RX, the second engagement assembly 110 also has a frame-shaped structure.

[0156] The size of the second opening 1101 may be approximately equal to the size of the first opening 1061, but is not limited thereto. For example, in other embodiments, the second opening 1101 may also be larger than the first opening 1061.

[0157] Similarly, the protective component 111 has a third opening 1111 corresponding to the first opening 1061, and the protective component 111 also has a frame-like structure when viewed along the winding axis RX.

[0158] The size of the third opening 1111 can be approximately equal to the size of the first opening 1061, but is not limited thereto. For example, in other embodiments, the third opening 1111 may also be larger than the first opening 1061.

[0159] like Figure 11 As shown, when viewed along the winding axis RX (Z-axis), the winding body 1020 surrounds the first opening 1061, and when viewed along the winding axis RX, the winding body 1020 also surrounds the first electrical contact EC1 and the second electrical contact EC2. That is, the first electrical contact EC1 and the second electrical contact EC2 are located inside the winding body 1020.

[0160] Similar to the foregoing embodiments, such as Figure 10As shown, the second base 108 also includes a first through hole VA1 and a second through hole VA2, which are respectively connected to the first electrical contact EC1 and the second electrical contact EC2, so that the coil assembly 102 is electrically connected to at least one electronic component (e.g., integrated circuit chip 154) or detection contact via the first through hole VA1 and the second through hole VA2, but is not limited thereto. These electronic components and detection contacts are disposed on the second side plate 1082, and their configuration is similar to that of the wireless transmission module 100A, so they will not be described in detail here.

[0161] Furthermore, such as Figure 11 As shown, when viewed along the winding axis RX, the winding body 1020 surrounds the first lead 1021 and the second lead 1022, and the first lead 1021 and the second lead 1022 extend inward from the winding body 1020 to the first electrical contact EC1 and the second electrical contact EC2.

[0162] Similarly, such as Figure 11 As shown, along the second axis AX2, the second base 108 has a first width WT12, and along the second axis AX2, the first base 106 has a second width WT22. In this embodiment, the second width WT22 is more than 90% of the first width WT12.

[0163] Furthermore, the winding body 1020 has a diameter (second diameter DT2), and the second diameter DT2 is more than 80% of the second width WT22. It is worth noting that the second diameter DT2 can be larger than the first diameter DT1 of the aforementioned embodiment, that is, the winding body 1020 of this embodiment can have a larger size.

[0164] Based on the above structural configuration, a larger coil assembly 102 can be set on the first base 106 of the same size to maximize the winding body 1020, for example, by having more turns or a larger wire width, thereby further improving the efficiency of the coil assembly 102.

[0165] It should also be noted that, in this invention, some components and configurations of the embodiments can be applied to other embodiments. For example, the first bonding component 104 may have a ring structure in each embodiment, and the second side plate 1082 in each embodiment may be provided with multiple identical or similar electronic components.

[0166] In summary, this utility model provides a wireless transmission module 100, which includes a coil assembly 102, a first base 106, and a second base 108. The coil assembly 102 and the first base 106 are disposed on a first side plate 1081 of the second base 108, and multiple electronic components are disposed on a second side plate 1082 of the second base 108. Since all electronic components are disposed on the second side plate 1082, the process time of surface mount technology can be reduced by half, and it is also convenient for operators to install the coil assembly 102 on the first side plate 1081, increasing the ease of assembly.

[0167] Furthermore, the second base 108 can be a printed circuit board with multiple power-conducting traces inside, while the first base 106 can be a magnetic material, such as ferrite. Since the first base 106 is positioned between the coil assembly 102 and these traces, these traces and the coil assembly 102 will not interfere with each other and can operate normally. That is, the first base 106 has the function of protecting against and isolating signal interference.

[0168] The ordinal numbers in this specification and the claims, such as "first", "second", "third", etc., are not sequential in any particular order; they are only used to distinguish between two different components with the same name.

[0169] While the embodiments and advantages of this utility model have been disclosed above, it should be understood that anyone skilled in the art can make modifications, substitutions, and refinements without departing from the spirit and scope of this utility model. Furthermore, the scope of protection of this utility model is not limited to the processes, machines, manufacturing, material composition, apparatus, methods, and steps described in the specific embodiments of the specification. Anyone skilled in the art can understand from the disclosure of this utility model the existing or future developed processes, machines, manufacturing, material composition, apparatus, methods, and steps, as long as they can perform substantially the same function or obtain substantially the same results in the embodiments described herein, and can be used according to this utility model. Therefore, the scope of protection of this utility model includes the aforementioned processes, machines, manufacturing, material composition, apparatus, methods, and steps. In addition, each claim constitutes an individual embodiment, and the scope of protection of this utility model also includes combinations of various claim claims and embodiments.

Claims

1. A wireless transmission module, comprising: A coil assembly having a winding shaft; as well as A first base, corresponding to the coil assembly; The coil assembly and the first base are arranged along the winding axis; The wireless transmission module also includes a second base configured to support the coil assembly and the first base; The second base has a first side plate and a second side plate; The first side panel is opposite to the second side panel; The coil assembly and the first base are disposed on the first side plate; The wireless transmission module also includes several electronic components, which are disposed on the second side panel; These electronic components include resistors, capacitors, inductors, integrated circuit chips, or combinations thereof; These electronic components do not include any coils used for wireless transmission.

2. The wireless transmission module as described in claim 1, wherein, The second base also has a first electrical contact and a second electrical contact, which are disposed on the first side plate; The coil assembly has a winding body, a first lead and a second lead; The first lead and the second lead extend from the winding body and are configured to be connected to the first electrical contact and the second electrical contact, respectively. The thickness of the coil assembly on the winding shaft is less than 1 mm; The width of either the first lead or the second lead is greater than 1 mm.

3. The wireless transmission module as described in claim 2, wherein, The second base also includes multiple wirings, which are partially disposed between the first side plate and the second side plate; The second base also includes a central layer plate disposed between the first side plate and the second side plate; Some of these traces are located in the central layer; At least one of these traces is configured to be electrically connected to two of these electronic components; When viewed along the winding axis, a portion of these traces overlaps with a portion of the coil assembly; The second base also includes two power input contacts, which are disposed on the second side plate; The two power input contacts are configured to be electrically connected to one of the electronic components via two of these traces; The wireless transmission module also includes a first bonding component, a second bonding component, and a protection component; The coil assembly is fixed to the first base by the first engagement assembly and the protective assembly; The first base is fixed to the first side plate by the second coupling assembly; This protective component corresponds to the second engagement component; The first base is disposed between the second engaging component and the protective component; When viewed along the winding shaft, the protective assembly completely shields the first base.

4. The wireless transmission module as described in claim 3, wherein, The second base also includes multiple detection contacts, which are disposed on the second side plate; These detection contacts are configured to be electrically connected to at least one of these electronic components; The second base also includes a first through hole and a second through hole; The first through hole and the second through hole penetrate the central layer plate; These detection contacts include a first detection contact and a second detection contact; The first through hole is configured to connect the first electrical contact and the first detection contact; The second through hole is configured to connect the second electrical contact and the second detection contact.

5. The wireless transmission module as described in claim 2, wherein, The first base has a first opening corresponding to the first electrical contact and the second electrical contact; When viewed along the winding shaft, the first electrical contact and the second electrical contact are exposed through the first opening; When viewed along the winding shaft, the first lead and a portion of the second lead overlap the first opening; The wireless transmission module also includes a first bonding component and a second bonding component; The first joining component has a ring structure corresponding to the winding body; The dimensions of the first engagement component are different from the dimensions of the winding body; The first engagement component is configured to secure the coil assembly to the first base; The shape of the second joining component corresponds to the shape of the first base; The second engagement component is configured to secure the first base to the second base; When viewed along the winding axis, the second base has a rectangular structure; The second base defines a first axial direction and a second axial direction; The first axis is perpendicular to the second axis; The winding shaft is perpendicular to both the first axial direction and the second axial direction; When viewed along the first axis, the first lead and a portion of the second lead overlap the first base; When viewed along the second axis, the first lead and a portion of the second lead overlap the first base; The first lead and a portion of the second lead are located in the first opening.

6. The wireless transmission module as described in claim 5, wherein, When viewed along the winding axis, the rectangular structure has a first side; The first opening is located on the first side; When viewed along the winding axis, the first base has a U-shaped structure; The second engagement component has a second opening corresponding to the first opening; When viewed along the winding axis, the second engagement assembly has a U-shaped structure; When viewed along the winding axis, the first opening does not overlap with the winding body; The first lead and the second lead extend outward from the winding body to the first electrical contact and the second electrical contact, respectively.

7. The wireless transmission module as described in claim 6, wherein, Along the second axis, the second base has a first width; Along the second axis, the first base has a second width; The second width is more than 90% of the first width; The winding body has a diameter; The diameter is more than 70 percent of the second width.

8. The wireless transmission module as described in claim 5, wherein, When viewed along the winding axis, the rectangular structure has a central region; The first opening is located in the central area; When viewed along the winding axis, the first base has a frame-like structure; The second engagement component has a second opening corresponding to the first opening; When viewed along the winding axis, the second engagement assembly has a frame-shaped structure; When viewed along the winding shaft, the winding body surrounds the first opening; When viewed along the winding shaft, the winding body surrounds the first electrical contact and the second electrical contact; When viewed along the winding axis, the winding body surrounds the first lead and the second lead; The first lead and the second lead extend inward from the winding body to the first electrical contact and the second electrical contact, respectively.

9. The wireless transmission module as described in claim 8, wherein, The second base also includes a first through hole and a second through hole; The first through hole is configured to connect to the first electrical contact; The second through hole is configured to connect to the second electrical contact; When viewed along the winding shaft, the winding body surrounds the first through hole and the second through hole; The coil assembly is electrically connected to at least one of these electronic components via the first through hole and the second through hole; Along the second axis, the second base has a first width; Along the second axis, the first base has a second width; The second width is more than 90% of the first width; The winding body has a diameter; The diameter is more than 80 percent of the second width.

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