Casing assembly and electronic device

Abstract

The embodiment of the application discloses a shell assembly and electronic equipment, which utilizes a radiation part arranged on a shell to improve signal emission capacity of the radiation part, and when the radiation part is arranged inside the electronic equipment, an antenna no longer needs to be matched with a ferrite. Thus, on one hand, the electronic equipment is more light and thin as a whole, and the number of parts is reduced. On the other hand, signals emitted by the radiation part can reach outside the electronic equipment after passing through the shell, and interference of the signals on internal parts is reduced. On the other hand, the coil is arranged at a plate edge position, so that the radiation part can utilize space to the maximum, and the signal radiation range is increased. Meanwhile, requirements of the antenna on the coil winding length can also be met.

Description

Technical Field

[0001] This invention relates to the field of communication technology, and more particularly to a housing assembly and electronic device. Background Technology

[0002] Near-Field Communication (NFC) is a short-range, secure communication method that plays a significant role in areas such as access control, public transportation card payments, and mobile payments. Therefore, this technology is increasingly being used in daily life. For electronic devices equipped with NFC modules, ensuring reliable communication with external devices has become a key challenge. Summary of the Invention

[0003] In view of this, embodiments of the present invention provide a housing assembly and an electronic device, which utilizes a radiating part disposed on the housing so that the signal emitted by the radiating part can reach the outside of the electronic device after passing through the housing, thereby improving the signal radiation range.

[0004] According to a first aspect of the present invention, a housing assembly is provided comprising:

[0005] The housing includes a protective plate, the protective plate including a first plate surface, a second plate surface and a plate edge located at the outer edges of the first plate surface and the second plate surface, the first plate surface and the second plate surface being opposite to each other;

[0006] The radiating section includes at least one coil, which is disposed on the first plate surface and / or the second plate surface and located at the edge of the plate.

[0007] Furthermore, the coil is a spiral pattern, which spirals outward from the middle region of the protective plate layer by layer, with each layer of the spiral pattern having a gap.

[0008] Furthermore, the first plate surface and the second plate surface are rectangular surfaces;

[0009] The surrounding radial pattern has multiple surrounding branches corresponding to each side of the rectangular surface, and two adjacent surrounding branches are connected end to end and perpendicular to each other.

[0010] Furthermore, at least one of the coils is a plurality of the coils, each coil having a gap between it and nesting around the intermediate region.

[0011] Furthermore, the plurality of coils includes a first coil and a second coil, wherein the first coil is located inside the second coil and the first coil and the second coil are wound in the same direction.

[0012] Furthermore, the housing also includes a rib plate, which protrudes from the first plate surface and extends along the edge of the plate. A first receiving area is formed on the first plate surface near the inner side of the rib plate, and a second receiving area is formed on the first plate surface near the outer side of the rib plate.

[0013] The first coil is located in the first receiving area and / or the second receiving area.

[0014] Furthermore, the first coil is located in the first accommodating area and has a first contact and a second contact arranged opposite to each other, the first contact and the second contact being located inside and outside the first coil, respectively; the second coil is located in the second accommodating area and has a third contact and a fourth contact arranged opposite to each other, the third contact and the fourth contact being located inside and outside the second coil, respectively.

[0015] The rib includes a third plate surface, a fourth plate surface, and a fifth plate surface located on the same side. The third plate surface faces the middle area of ​​the first plate surface, the fourth plate surface faces away from the first plate surface, and the fifth plate surface faces away from the third plate surface.

[0016] The radiating part further includes a connecting radiating pattern, which includes a first connecting branch, a second connecting branch, and a third connecting branch connected in sequence. The first connecting branch is located on the third plate surface and is electrically connected to the second contact. The second connecting branch is located on the fourth plate surface. The third connecting branch is located on the fifth plate surface and is electrically connected to the third contact.

[0017] Furthermore, the second plate surface has a third accommodating area corresponding to the first accommodating area and / or the second accommodating area;

[0018] The second coil is located in the third accommodating area;

[0019] The protective plate has a first through hole penetrating the first plate surface and the second plate surface;

[0020] The radiating part further includes a first connector, which is connected to the first coil and the second coil through the through hole.

[0021] Secondly, embodiments of the present invention also provide an electronic device comprising:

[0022] The housing includes a protective plate, the protective plate including a first plate surface, a second plate surface and a plate edge located at the outer edges of the first plate surface and the second plate surface, the first plate surface and the second plate surface being opposite to each other;

[0023] The radiating section includes at least one coil, which is disposed on the first plate surface and / or the second plate surface and located at the edge of the plate;

[0024] The control circuit includes two power supply terminals, which are electrically connected to the radiating part.

[0025] Furthermore, the coil is a spiral pattern, which spirals outward from the middle area of ​​the protective plate layer by layer, and the layers of the spiral pattern are spaced apart.

[0026] The radiating section also includes a first contact and a fourth contact located at both ends of the coil;

[0027] The two power supply terminals include: a first power supply terminal and a second power supply terminal;

[0028] The electronic device further includes a second connector and a third connector, the second connector and the third connector being strip-shaped, the second connector being electrically connected to both the first contact and the first power supply terminal, and the third connector being electrically connected to both the fourth contact and the second power supply terminal.

[0029] Furthermore, the control circuit is disposed opposite to the first plate surface; the coil includes a second coil, and the first contact, the fourth contact, and the second coil are located on the second plate surface; the protective plate has two second through holes penetrating the first plate surface and the second plate surface;

[0030] The electronic device further includes: two connecting blocks, which are respectively disposed in two second through holes; one end of each connecting block is electrically connected to the second connecting member and the third connecting member, and the other end is electrically connected to the first contact and the fourth contact, respectively.

[0031] Furthermore, the housing also includes a rib plate, which protrudes from the first plate surface and extends along the edge of the plate. A first receiving area is formed on the first plate surface near the inner side of the rib plate, and a second receiving area is formed on the first plate surface near the outer side of the rib plate.

[0032] The plurality of coils include a first coil located in the first receiving region and / or the second receiving region;

[0033] The electronic device also includes:

[0034] The side shell is fitted between the rib and the second receiving area;

[0035] The battery is electrically connected to the control circuit and is secured inside the rib plate.

[0036] Furthermore, the first coil is located in the first accommodating area and has two oppositely arranged ends, the end located inside the first coil is the first contact, and the end located outside the first coil is the second contact;

[0037] The second connector includes a first segment and a second segment connected to each other, the first segment having an insulating coating layer;

[0038] The first segment extends along the first plate surface and presses over a portion of the first coil, while the second segment extends from the bottom of the rib toward the control circuit.

[0039] Furthermore, the plurality of coils also include a second coil, which is located in the second accommodating region and has the same winding direction as the first coil, with one end located outside the first coil serving as a second contact.

[0040] The control circuit is located on top of the battery, and the first power supply terminal and the second power supply terminal are located on the same side of the control circuit;

[0041] The second coil is located in the second accommodating area and has a third contact and a fourth contact disposed opposite to each other, the third contact and the fourth contact being located inside and outside the second coil, respectively;

[0042] The rib includes a third plate surface, a fourth plate surface, and a fifth plate surface. The second plate surface faces the middle area of ​​the first plate surface, the fourth plate surface faces away from the first plate surface, and the fifth plate surface faces away from the third plate surface.

[0043] The radiating part further includes a connecting radiating pattern, which includes a first connecting branch, a second connecting branch, and a third connecting branch connected in sequence. The first connecting branch is located on the third plate surface and is electrically connected to the second contact. The second connecting branch is located on the fourth plate surface. The third connecting branch is located on the fifth plate surface and is electrically connected to the third contact.

[0044] The third connector includes a third segment, a fourth segment, a fifth segment, and a sixth segment connected in sequence. The third segment includes an insulating coating layer and extends along the first plate surface. The third segment covers a portion of the second coil. The fourth segment extends along the fifth plate surface. The fifth segment extends along the fourth plate surface. The sixth segment extends toward the control circuit.

[0045] Furthermore, the electronic device also includes:

[0046] Wristband, fixed to the housing; and

[0047] A display screen is disposed on the side of the electronic device away from the radiating part, and at least a portion of the radiating part corresponds to the outer side of the display screen.

[0048] The housing assembly and electronic device of this invention improve the signal transmission capability of the radiating part by utilizing a radiating part disposed on the housing. This eliminates the limitation that an antenna requires ferrite when the radiating part is located inside the electronic device. Therefore, on the one hand, the overall electronic device becomes thinner and lighter, reducing the number of components. On the other hand, the signal emitted by the radiating part can reach the outside of the electronic device after passing through the housing, reducing signal interference to internal components. Furthermore, placing the coil at the edge of the board allows the radiating part to utilize space to the maximum extent, increasing the signal radiation range. Simultaneously, it also meets the antenna's requirements for coil winding length. Attached Figure Description

[0049] The above and other objects, features and advantages of the present invention will become clearer from the following description of embodiments of the invention with reference to the accompanying drawings, in which:

[0050] Figure 1 This is a schematic diagram of one side of the electronic device according to an embodiment of the present invention;

[0051] Figure 2 This is a schematic diagram of the structure of the electronic device on the other side of an embodiment of the present invention;

[0052] Figure 3 This is a schematic diagram of the structure of another side of the electronic device according to an embodiment of the present invention;

[0053] Figure 4 This is an exploded view of an electronic device according to an embodiment of the present invention;

[0054] Figure 5 This is a schematic diagram of the structure of the housing assembly in some embodiments of the present invention;

[0055] Figure 6 This is a schematic diagram of the housing assembly in some other embodiments of the present invention;

[0056] Figure 7 This is a schematic diagram of the structure of the housing assembly in some other embodiments of the present invention;

[0057] Figure 8 This is a schematic diagram of the structure of the housing assembly in some other embodiments of the present invention;

[0058] Figure 9 This is a schematic diagram of the structure of the housing assembly in some other embodiments of the present invention;

[0059] Figure 10This is a schematic diagram of the structure of the housing assembly in some other embodiments of the present invention;

[0060] Figure 11 This is a schematic diagram of the structure of the housing assembly in some embodiments of the present invention.

[0061] Explanation of reference numerals in the attached figures:

[0062] 1-Radiating section;

[0063] 11-Coil; 11a-First coil; 11b-Second coil; 11c-Wrapped stub; 111-First contact; 112-Second contact; 113-Third contact; 114-Fourth contact;

[0064] 12 - Connecting radial pattern; 121 - First connecting branch; 122 - Second connecting branch; 123 - Third connecting branch; 124 - Fourth connecting branch; 125 - Fifth connecting branch;

[0065] 13-First connector;

[0066] 2-Shell;

[0067] 21-Guard plate; 211-First plate surface; 212-Second plate surface; 213-Third plate surface; 214-Fourth plate surface; 215-Fifth plate surface; 216-First through hole; 217-Second through hole; 218-Plate edge;

[0068] 22-ribs;

[0069] 31 - First accommodating area; 32 - Second accommodating area; 33 - Third accommodating area;

[0070] 4-Control circuit; 41-First feed terminal; 42-Second feed terminal;

[0071] 51-Second connector;

[0072] 511 - First paragraph; 512 - Second paragraph; 513 - Connecting paragraph;

[0073] 52-Third connector; 521-Third section; 522-Fourth section; 523-Fifth section; 524-Sixth section;

[0074] 53-Connecting block;

[0075] 54 - Fourth connector;

[0076] 55 - Fifth connector;

[0077] 6-Side shell;

[0078] 7-battery;

[0079] 8-Wristband;

[0080] 9-Display screen;

[0081] 10-Base support. Detailed Implementation

[0082] The present invention is described below based on embodiments, but the invention is not limited to these embodiments. In the detailed description of the invention below, certain specific details are described in detail. Those skilled in the art will fully understand the invention even without these details. To avoid obscuring the essence of the invention, well-known methods, processes, flows, elements, and circuits are not described in detail.

[0083] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale.

[0084] Unless the context explicitly requires it, words such as "including" or "contains" throughout the application should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to".

[0085] In the description of this invention, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0086] For ease of explanation, spatially related terms such as “inside,” “outside,” “below,” “below,” “lower,” “above,” “upper,” etc., are used herein to describe the relationship between one element or feature illustrated in the figure and another. It will be understood that spatially related terms may be intended to encompass different orientations of the device in use or operation besides those depicted in the figure. For example, if the device in the figure is flipped, an element described as “below” or “below” another element or feature would then be positioned “above” that other element or feature. Thus, the exemplified term “below” can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially related descriptive terms used herein should be interpreted accordingly.

[0087] The housing assembly of this invention can be disposed on an electronic device, thereby allowing the electronic device to radiate wireless signals to the outside through the radiating part on the housing assembly. The electronic device includes a mobile phone, earphones, a watch, or a pedometer, etc. The housing assembly can serve as part of the outer casing of the electronic device, for example, as the lower part, side, or top of the electronic device's casing, to provide a certain degree of protection for the internal components of the electronic device.

[0088] Specifically, Figure 1-3 The electronic device shown could be a watch. Figure 4 This is an exploded view of the watch's internal components (antenna not shown). The case assembly is located at the bottom of the watch, opposite the display screen at the top. When worn, the case assembly fits snugly against the wearer's wrist.

[0089] Figure 5-11 This is a schematic diagram of the housing assembly in different embodiments. The radiating part 1 can be arranged at different positions on the housing 2, thereby forming different forms of housing assemblies. Figure 5-8 The radiating section includes two coils 11 located at different positions. Figure 9-11 The coils shown are located on the back, outer front side, and inner front side of housing 2, respectively. This housing assembly can be used to transmit and receive NFC signals.

[0090] In some implementations, such as Figure 1-11 As shown, the housing assembly includes a housing 2 and a radiating section 1. The housing 2 includes a protective plate 21, which includes a first plate surface 211, a second plate surface 212, and a plate edge 218 located at the outer edges of the first plate surface 211 and the second plate surface 212, with the first plate surface 211 and the second plate surface 212 facing away from each other. The radiating section 1 includes at least one coil 11, which is disposed on the first plate surface 211 and / or the second plate surface 212 and located at the plate edge 218. In this embodiment, the plate edge is arranged circumferentially around the protective plate 21. Figure 4 The image shows a portion of the edge 218. This protective plate 21 can be rectangular, circular, or racetrack-shaped, and the specific shape can be selected according to the shape of the electronic device. Simultaneously, the number of turns of the coil 11 can also be selected according to the needs of transmitting and receiving NFC signals. Figure 7 The diagram shows a coil 11 with 5 turns on the inner coil and 3 turns on the outer coil. In contrast, Figure 8 The inner coil has 3 turns, and the outer coil has 3 turns.

[0091] Optionally, in this embodiment, the coil 11 can be a winding wire arranged along the surface of the protective plate 21, the material of the winding wire can be copper, and a covering layer is provided on the outer layer.

[0092] In this embodiment, the housing assembly utilizes the radiating section 1 mounted on the housing 2 to enhance the signal transmission capability of the radiating section 1. This eliminates the limitation that an antenna requires ferrite when the radiating section 1 is located inside the electronic device. Therefore, on the one hand, the electronic device assembled from the housing assembly is thinner and lighter, reducing the number of components. On the other hand, the signal emitted by the radiating section 1 can reach the outside of the electronic device after passing through the housing 2 without needing to pass through internal components, reducing signal interference to internal components. Furthermore, by positioning the coil 11 at the edge 218 of the board, the radiating section 1 can maximize the use of space, increasing the signal radiation range. Simultaneously, it also meets the antenna's requirements for the coil 11 winding length.

[0093] Furthermore, the coil 11 has a radiating pattern, which spirals outward from the central area of ​​the protective plate 21, with each layer of the radiating pattern spaced apart. By arranging the radiating pattern on the surface of the housing 2, the overall size of the housing assembly is further reduced, freeing up more space for the arrangement of internal components of the electronic device.

[0094] The surrounding radial pattern in this embodiment can be formed on the surface of the housing 2 using processes such as laser direct forming, chemical etching, or physical etching. Taking laser direct forming as an example, a thermoplastic polymer containing laser powder is added to the first plate surface 211 and the second plate surface 212 in this embodiment. A three-dimensional circuit pattern is directly engraved on the housing 2 using a laser, and then the pattern is electroplated to form a three-dimensional metal circuit. As a result, the protective plate 21 has certain electrical properties.

[0095] In some implementations, such as Figure 1-11 As shown, the first plate surface 211 and the second plate surface 212 are rectangular surfaces of the same size. In contrast, the surrounding radial pattern has a plurality of surrounding branches 11c corresponding to each side of the rectangular surface, and two adjacent surrounding branches 11c are connected end to end and perpendicular to each other. Figure 6 The radiating pattern shown is coiled in the form of a rectangular spiral. That is, at the four apex positions of the protective plate 21, two circling branches 11c are arranged at 90°. In this embodiment, multiple circling branches 11c are overlapped with each other to form a rectangular spiral structure, which can make good use of the edge 218 area of ​​the rectangular plate surface, thereby maximizing the length of the radiating part 1.

[0096] In some implementations, such as Figure 1-11As shown, at least one coil 11 can be multiple coils 11, with intervals between them and nested around a central region. In this embodiment, the number of coils 11 is set to multiple, so that multiple coils 11 can be arranged at different positions on the edge 218 of the board. For example, coils 11 can be arranged at the inner and outer positions of the edge 218 of the board. Thus, the area between the coils 11 can be used to connect the protective plate 21 to other components of the electronic device, avoiding any impact on the assembly process of the electronic device caused by the arrangement of the coils 11.

[0097] Furthermore, the plurality of coils 11 includes a first coil 11a and a second coil 11b, wherein the first coil 11a is located inside the second coil 11b and the winding directions of the first coil 11a and the second coil 11b are the same. In this embodiment, configuring the winding directions of the first coil 11a and the second coil 11b to be the same can avoid the two nested coils 11 generating opposite electromagnetic fields, thereby causing them to cancel each other out or weaken each other, affecting the communication between the electronic device and external devices.

[0098] In some implementations, such as Figure 1-11 As shown, the housing 2 also includes a rib 22, which protrudes from the first plate surface 211 and extends along the plate edge 218. A first receiving area 31 is formed on the first plate surface 211 near the inner side of the rib 22, and a second receiving area 32 is formed on the first plate surface 211 near the outer side of the rib 22. The first coil 11a is located in the first receiving area 31 and / or the second receiving area 32.

[0099] To facilitate the splicing and assembly of the housing with other parts of the electronic device, this embodiment provides a raised rib 22 on one side of the protective plate 21. Figure 4 The figure shows a form of rib 22, which is rectangular and surrounds the edge of the guard plate 21. The first plate surface 211 is a rectangular frame in the outer region of the rib 22 and a rectangular surface in the inner region of the rib 22. The arrangement of the first coil 11a close to the rib 22 can maximize the use of the space of the first plate surface 211 while avoiding the rib 22.

[0100] Easy to understand, combined Figure 1 and 3As shown, the outer side of the rib plate 22 engages with the inner wall of the side case 6, while the end face of the side case 6 also engages with the first receiving area 31. When the first coil 11a is located only in the first receiving area 31, the first coil 11a is located inside the rib plate 22. In this case, the first coil 11a can be better protected after the electronic device is assembled. For example, when the electronic device is a watch that needs to operate underwater, the watch needs to meet a certain water resistance rating. The first coil 11a located in the first receiving area 31 can minimize the ingress of water, while the second receiving area 32 allows the side case 6 to fit better with the protective plate 21 during assembly, further improving the watch's sealing performance. When the first coil 11a is located only in the second receiving area 32, the first coil 11a can make maximum use of the outermost edge of the protective plate 21, thereby reducing the number of turns of the first coil 11a. Figure 3 The diagram illustrates the correspondence between the second accommodating area 32 and the watch display screen 9. The area outside the two dashed lines represents the second accommodating area 32, and the area inside the dashed lines represents the corresponding area of ​​the housing 2 and the display screen 9. This improves the ability of the first coil 11a located in the second accommodating area 32 to radiate wireless signals outwards. Especially in the area facing the display screen 9, the signal from the first coil 11a can bypass or partially bypass the obstruction of the display screen 9, while also reducing interference from wireless signals to internal components of the electronic device.

[0101] In some implementations, such as Figure 1-11 As shown, the first coil 11a is located in the first accommodating region 31 and has a first contact 111 and a second contact 112 arranged opposite to each other. The first contact 111 and the second contact 112 are located inside and outside the first coil 11a, respectively. The second coil 11b is located in the second accommodating region 32 and has a third contact 113 and a fourth contact 114 arranged opposite to each other. The third contact 113 and the fourth contact 114 are located inside and outside the second coil 11b, respectively. The rib plate 22 includes a third plate surface 213, a fourth plate surface 214, and a fifth plate surface 215 located on the same side as the first plate surface 211. The third plate surface 213 faces the middle region of the first plate surface 211, the fourth plate surface 214 faces away from the first plate surface 211, and the fifth plate surface 215 faces away from the third plate surface 213. The radiating section 1 also includes a connecting radiating pattern 12, which includes a first connecting branch 121, a second connecting branch 122, and a third connecting branch 123 connected in sequence. The first connecting branch 121 is located on the third plate surface 213 and is electrically connected to the second contact 112. The second connecting branch 122 is located on the fourth plate surface 214, and the third connecting branch 123 is located on the fifth plate surface 215 and is electrically connected to the third contact 113.

[0102] Figure 6The diagram illustrates a specific form of the connecting radial pattern 12, which extends along the protruding direction of the rib 22, and its two ends are electrically connected to the contacts of the first coil 11a and the second coil 11b near the rib 22, respectively. To connect the first coil 11a and the second coil 11b in series, this embodiment forms the connecting radial pattern on the surface of the rib 22. When the housing assembly is assembled with other parts of the electronic device via the rib 22, the connecting radial pattern 12 on the rib 22 serves both to connect the first coil 11a and the second coil 11b and to ensure a closer fit between the rib 22 and other components of the electronic device.

[0103] In some implementations, such as Figure 1-11 As shown, the second plate surface 212 has a third accommodating region 33 corresponding to the first accommodating region 31 and / or the second accommodating region 32. The second coil 11b is located in the third accommodating region 33. The protective plate 21 has a first through hole 216 penetrating through the first plate surface 211 and the second plate surface 212. The radiating part 1 also includes a first connector 13, which is connected to the first coil 11a and the second coil 11b through the first through hole 216. In this embodiment, the first coil 11a and the second coil 11b are respectively disposed on the first plate surface 211 and the second plate surface 212 of the protective plate 21, thereby enabling the radiating part 1 to fully utilize the areas inside and outside the plate edge 218, further enhancing the radiation capability of the coil 11.

[0104] The housing assembly in the above embodiments can be applied to electronic devices, providing both protection and antenna modules for the electronic devices.

[0105] In one alternative implementation, such as Figure 1-11 As shown, the electronic device includes a housing 2, a radiating section 1, and a control circuit 4. The housing 2 includes a protective plate 21, which comprises a first plate surface 211, a second plate surface 212, and a plate edge 218 located at the outer edges of the first plate surface 211 and the second plate surface 212, with the first plate surface 211 and the second plate surface 212 facing away from each other. The radiating section 1 includes at least one coil 11, which is disposed on the first plate surface 211 and / or the second plate surface 212 and located at the plate edge 218. The control circuit 4 includes two power supply terminals, which are electrically connected to the radiating section 1.

[0106] The electronic device of this invention improves signal transmission capability by utilizing the radiating part 1 disposed on the housing 2. This eliminates the limitation of using ferrite cores inside the electronic device. Consequently, on the one hand, the electronic device becomes thinner and lighter, reducing the number of components. On the other hand, the signal emitted by the radiating part 1 can reach the outside of the electronic device after passing through the housing 2, reducing signal interference to internal components. Furthermore, by placing the coil 11 at the edge 218 of the plate, the radiating part 1 can maximize space utilization, increasing the signal radiation range. Simultaneously, it also meets the antenna's requirements for coil winding length.

[0107] Furthermore, the electronic device also includes a wristband 8 and a display screen 9, with the wristband 8 fixed to the housing 2. The display screen 9 is disposed on the side of the side housing 6 away from the radiating part 1, and at least a portion of the radiating part 1 corresponds to the outer side of the display screen 9.

[0108] Specifically, the electronic device in this embodiment is a smartwatch, and the aforementioned radiating part is used to send and receive NFC signals. The smartwatch has a base 10 on the side opposite to the display screen 9, and the watch strap 8 is fixed to the housing 2 through the base 10.

[0109] The smartwatch in this embodiment has at least two states: reader mode and card mode. In reader mode, it can read four types of NFC tags: Tag 1, Tag 2, Tag 3, and Tag 4. Table 1 shows the maximum communication distance in different directions when reading Tag 2 and Tag 4 in reader mode and when reading with an ACR122U reader in card mode. The table shows that the maximum communication distance is 62mm, which is the maximum distance detected by the reader from the side of the user's wrist away from the smartwatch when the watch is worn on the user's wrist and NFC is configured in card mode. The minimum distance is 7mm, which occurs when the watch is in reader mode, the read tag type is Tag 4, and the tag is located on the bottom tray. The bottom tray 10 contains metal, which significantly affects the communication distance. Optionally, the bottom tray 10 can be made of a material such as plastic that has less impact on electromagnetic signals to improve the communication capability of the NFC coil on the bottom tray 10 side. In summary, this embodiment utilizes the coil 11 positioned at the edge 218 of the board to improve the smartwatch's ability to transmit and receive NFC signals to a certain extent.

[0110] Table 1

[0111]

[0112]

[0113] In some implementations, such as Figure 1-11As shown, the coil 11 has a spiral pattern that spirals outwards from the central region of the protective plate 21, with each layer of the spiral pattern spaced apart. The radiating part 1 also includes a first contact 111 and a fourth contact 114 located at both ends of the coil 11. The two power supply terminals include a first power supply terminal 41 and a second power supply terminal 42. The electronic device also includes a second connector 51 and a third connector 52, which are strip-shaped. The second connector 51 is electrically connected to both the first contact 111 and the first power supply terminal 41, and the third connector 52 is electrically connected to both the fourth contact 114 and the second power supply terminal 42.

[0114] To achieve electrical connection between the radiating section 1 and the control circuit 4, this embodiment utilizes a strip-shaped second connector 51 and a third connector 52. The strip structure can be bent inside the electronic device, thereby reducing the space occupied by internal components. The specific length of the strip structure can be selected based on the distance between the first power supply terminal 41 and the first contact, and between the second power supply terminal 42 and the second contact.

[0115] Furthermore, the control circuit 4 is disposed opposite to the first plate surface 211. The coil 11 includes a second coil 11b, and the first contact 111, the fourth contact 114, and the second coil 11b are located on the second plate surface 212. The protective plate 21 has two second through holes 217 penetrating the first plate surface 211 and the second plate surface 212. The electronic device also includes two connecting blocks 53, which are respectively disposed within the two second through holes 217. One end of each connecting block 53 is electrically connected to the second connecting member 51 and the third connecting member 52, respectively, and the other end is electrically connected to the first contact 111 and the fourth contact 114, respectively. In this embodiment, the first coil 11a and the second coil 11b, which are located in opposite positions, can be connected in series through the connecting blocks 53 located in the second through holes 217.

[0116] Optionally, the connecting block 53 can be connected to the coil 11 by a conductive sheet disposed at the end of the connecting block 53. The shape of the conductive sheet is adapted to the end face shape of the connecting block 53, for example, it can be square, thereby increasing the contact area between the surrounding radiation pattern and the connecting block 53.

[0117] Specifically, Figure 9The two connecting blocks 53 shown are conductive, and both have square cross-sections for the second through hole 217. The length of the connecting block 53 is adapted to the length of the second through hole 217. For example, when the connecting block 53 passes through the second through hole 217, its bottom can be flush with the second plate surface 212 to facilitate electrical connection with the second coil 11b located on the second plate surface 212. This makes the outer surface of the electronic device smoother and more aesthetically pleasing. The top of the connecting block 53 can extend from the second through hole 217 to the outside of the second through hole 217, and its height is flush with the height of the rib plate 22. The fourth connecting member 54 connected to the first feed terminal 41 and the second feed terminal 42 in the figure is strip-shaped (e.g., Figure 3 and 9 (As shown), and extends in a straight line. Thus, the fourth connector 54 can be laterally attached to the control circuit 4 and the battery 7 and electrically connected to the top of the connector block 53, further reducing the space occupied inside the smartwatch.

[0118] Optionally, the width of the second coil 11b in this embodiment is related to the inductance and resistance of the antenna, and those skilled in the art can select it according to parameters such as the operating conditions of the NFC chip or antenna.

[0119] In other implementations, such as Figure 1-11 As shown, the housing 2 also includes a rib 22, which protrudes from the first plate surface 211 and extends along the plate edge 218. A first receiving area 31 is formed near the inner side of the rib 22 on the first plate surface 211, and a second receiving area 32 is formed near the outer side of the rib 22 on the first plate surface 211. Multiple coils 11 include a first coil 11a, which is located in the first receiving area 31 and / or the second receiving area 32. The electronic device also includes a side shell 6 and a battery 7. The side shell 6 is secured between the rib 22 and the second receiving area 32, and the battery 7 is electrically connected to the control circuit 4 and secured inside the rib 22. In this embodiment, the side shell 6 and the housing 2 together form the outer shell of the electronic device, and the rib 22 divides the placement position of the first coil 11a into inner and outer positions. Those skilled in the art can select the placement position of the first coil 11a according to the actual usage requirements of the electronic device.

[0120] Furthermore, the first coil 11a is located in the first accommodating region 31 and has two oppositely disposed ends. The end located inside the first coil 11a is the first contact 111, and the end located outside the first coil 11a is the second contact 112. The second connector 51 includes a first segment 511 and a second segment 512 connected to each other. The first segment 511 has an insulating covering layer. The first segment 511 extends along the first plate surface 211 and presses onto a portion of the first coil 11a. The second segment 512 extends from the bottom of the rib plate 22 toward the control circuit 4.

[0121] Specifically, Figure 7 The diagram illustrates a specific form of the first segment 511 and the second segment 512. The first segment 511 extends from the inside of the first coil 11a across four surrounding branches 11c. For this purpose, an insulating coating layer is provided at the location of the first segment 511 to prevent short circuits between the second connector 51 and the surrounding branches 11c. The end of the second connector 51 connected to the first contact 111 also includes a connecting segment 513. The extending direction of the innermost surrounding branch 11c of the first coil 11a is consistent with the extending direction of the connecting segment 513; that is, the first segment 511 and the connecting segment 513 are perpendicular.

[0122] In some implementations, such as Figure 1-11 As shown, the plurality of coils 11 also includes a second coil 11b, which is located in the second accommodating region 32 and has the same winding direction as the first coil 11a. The control circuit 4 is located on top of the battery 7, with the first feed terminal 41 and the second feed terminal 42 located on the same side of the control circuit 4. The second coil 11b is located in the second accommodating region 32 and has a third contact 113 and a fourth contact 114 disposed opposite to each other, located inside and outside the second coil 11b, respectively. The rib plate 22 includes a third plate surface 213, a fourth plate surface 214, and a fifth plate surface 215. The second plate surface 212 faces the middle region of the first plate surface 211, the fourth plate surface 214 is away from the first plate surface 211, and the fifth plate surface 215 is away from the third plate surface 213. The radiating section 1 also includes a connecting radiating pattern 12, which includes a first connecting branch 121, a second connecting branch 122, and a third connecting branch 123 connected in sequence. The first connecting branch 121 is located on the third plate surface 213 and is electrically connected to the second contact 112. The second connecting branch 122 is located on the fourth plate surface 214, and the third connecting branch 123 is located on the fifth plate surface 215 and is electrically connected to the third contact 113. The third connector 52 includes a third segment 521, a fourth segment 522, a fifth segment 523, and a sixth segment 524 connected in sequence. The third segment 521 includes an insulating coating layer and extends along the first plate surface 211. The third segment 521 covers a portion of the second coil 11b. The fourth segment 522 extends along the fifth plate surface 215, the fifth segment 523 extends along the fourth plate surface 214, and the sixth segment 524 extends toward the control circuit 4.

[0123] Similar to the embodiments described above, an insulating coating layer is also provided on the third connector 52 in this embodiment. For example... Figure 7As shown in the figure below, the control circuit 4 is a circuit board. The two power supply terminals, the first contact 111, the second contact 112, the third contact 113, and the fourth contact 114 on the circuit board are set on the same side of the electronic device. This makes it easy to connect the circuit board, the first coil 11a, and the second coil 11b in series through the second connector 51, the third connector 52, and the connecting radial pattern 12, which simplifies the assembly process of the electronic device.

[0124] Specifically, Figure 7 The upper left figure shows the specific form of the connecting radial pattern 12, which also includes a fourth connecting branch 124 and a fifth connecting branch 125. The fourth connecting branch 124 is electrically connected to the second contact 112 and the first connecting branch 121, and the fifth connecting branch 125 is simultaneously electrically connected to the third connecting branch 123 and the third contact 113. Furthermore, the fourth connecting branch 124 and the fifth connecting branch 125 are perpendicular to the surrounding branch 11c.

[0125] It is easy to understand that in this embodiment, the second contact 112 and the third contact 113 are located near the edge of the rib plate 22, while the first contact 111 and the fourth contact 114 are located away from the rib plate 22. This arrangement facilitates connecting the first coil 11a and the second coil 11b first through a laser direct forming process, and then connecting the radiating pattern to the circuit board using the second connector 51 and the third connector 52, so as to finally realize the connection between the radiating part 1 and the circuit board after crossing the battery 7.

[0126] It is easy to understand that the coil 11 is arranged in different positions in the above embodiments, and therefore the form of the connector used to connect to the circuit board is also different. The above coil 11 arrangement includes at least the following form, located both inside and outside the rib 22 of the first plate surface 211 (e.g. Figure 6-8 As shown, using the second connector 51 and the third connector 52), at least partially located at position 212 on the second plate surface. Figure 9 As shown, using the fourth connector 54), it is located only on the outside of the rib 22 of the first plate surface 211 (as shown). Figure 10 As shown, using the third connector 52 and the fifth connector 55), it is located only inside the rib 22 on the first plate surface 211 (as shown). Figure 11 As shown, a fourth connector 54 and a second connector 51 are used. The fifth connector 55 has a fourth segment 522, a fifth segment 523 and a sixth segment 524, the fourth segment 522 being directly electrically connected to a contact near the rib 22.

[0127] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. For those skilled in the art, the present invention can be modified and varied in various ways. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of the present invention should be included within the scope of protection of the present invention.

Claims

1. A housing assembly used in electronic devices, characterized in that, The housing assembly includes: The housing (2) includes a protective plate (21), the protective plate (21) including a first plate surface (211), a second plate surface (212) and a plate edge (218) located at the outer edge of the first plate surface (211) and the second plate surface (212), the first plate surface (211) and the second plate surface (212) being opposite to each other; The radiating part (1) includes at least one coil (11) which is arranged on the first plate surface (211) and / or the second plate surface (212) and located at the edge (218) of the plate. The plurality of coils (11) include a first coil (11a) and a second coil (11b), wherein the first coil (11a) is located inside the second coil (11b); The housing (2) further includes a rib (22), which protrudes from the first plate surface (211) and extends along the plate edge (218). A first receiving area (31) is formed on the first plate surface (211) near the inner side of the rib (22), and a second receiving area (32) is formed on the first plate surface (211) near the outer side of the rib (22). The rib (22) is used to be engaged with the inner side of the electronic device side shell (6). The first coil (11a) is located in the first accommodating area (31), the second coil (11b) is located in the second accommodating area (32), and the radiating part (1) further includes a connecting radiating pattern (12), the connecting radiating pattern (12) is disposed on the rib plate (22) and the two ends of the connecting radiating pattern (12) are electrically connected to the contacts of the first coil (11a) and the second coil (11b) on the side near the rib plate (22), respectively; The coil (11) is a spiral pattern that spirals outward from the middle area of ​​the protective plate (21) layer by layer, with each layer of the spiral pattern having a gap.

2. The housing assembly according to claim 1, characterized in that, The first plate surface (211) and the second plate surface (212) are rectangular surfaces; The surrounding radial pattern has multiple surrounding branches (11c) corresponding to each side of the rectangular surface, and two adjacent surrounding branches (11c) are connected end to end and perpendicular to each other.

3. The housing assembly according to claim 1, characterized in that, The coils (11) are spaced apart and nested around each other around the central region.

4. The housing assembly according to claim 3, characterized in that, The first coil (11a) and the second coil (11b) are wound in the same direction.

5. The housing assembly according to claim 1, characterized in that, The first coil (11a) has a first contact (111) and a second contact (112) arranged opposite to each other, the first contact (111) and the second contact (112) being located inside and outside the first coil (11a) respectively; the second coil (11b) has a third contact (113) and a fourth contact (114) arranged opposite to each other, the third contact (113) and the fourth contact (114) being located inside and outside the second coil (11b) respectively. The rib (22) includes a third plate surface (213), a fourth plate surface (214) and a fifth plate surface (215) located on the same side. The third plate surface (213) faces the middle area of ​​the first plate surface (211), the fourth plate surface (214) is opposite to the first plate surface (211), and the fifth plate surface (215) is opposite to the third plate surface (213). The connecting radiation pattern (12) includes a first connecting branch (121), a second connecting branch (122), and a third connecting branch (123) connected in sequence. The first connecting branch (121) is located on the third plate surface (213) and is electrically connected to the second contact (112). The second connecting branch (122) is located on the fourth plate surface (214). The third connecting branch (123) is located on the fifth plate surface (215) and is electrically connected to the third contact (113).

6. An electronic device, characterized in that, The electronic device includes: The housing (2) includes a protective plate (21), the protective plate (21) including a first plate surface (211), a second plate surface (212) and a plate edge (218) located at the outer edge of the first plate surface (211) and the second plate surface (212), the first plate surface (211) and the second plate surface (212) being opposite to each other; The radiating part (1) includes at least one coil (11) which is arranged on the first plate surface (211) and / or the second plate surface (212) and located at the edge (218) of the plate. The control circuit (4) includes two power supply terminals, and the control circuit (4) is electrically connected to the radiating part (1) through the two power supply terminals; The plurality of coils (11) include a first coil (11a) and a second coil (11b), wherein the first coil (11a) is located inside the second coil (11b); The housing (2) further includes a rib (22), which protrudes from the first plate surface (211) and extends along the plate edge (218). A first receiving area (31) is formed on the first plate surface (211) near the inner side of the rib (22), and a second receiving area (32) is formed on the first plate surface (211) near the outer side of the rib (22). The first coil (11a) is located in the first accommodating area (31), the second coil (11b) is located in the second accommodating area (32), and the radiating part (1) further includes a connecting radiating pattern (12), the connecting radiating pattern (12) is disposed on the rib plate (22) and the two ends of the connecting radiating pattern (12) are electrically connected to the contacts of the first coil (11a) and the second coil (11b) on the side near the rib plate (22), respectively; The coil (11) is a spiral pattern, which spirals outward from the middle area of ​​the protective plate (21) layer by layer, and each layer of the spiral pattern has a gap. The electronic device also includes: The side shell (6) is fitted between the rib (22) and the second receiving area (32).

7. The electronic device according to claim 6, characterized in that, The radiating part (1) also includes a first contact (111) and a fourth contact (114) located at both ends of the coil (11); The two power supply terminals include: a first power supply terminal (41) and a second power supply terminal (42); The electronic device further includes a second connector (51) and a third connector (52), the second connector (51) and the third connector (52) being strip-shaped, the second connector (51) being electrically connected to both the first contact (111) and the first power supply terminal (41), and the third connector (52) being electrically connected to both the fourth contact (114) and the second power supply terminal (42).

8. The electronic device according to claim 7, characterized in that, The electronic device also includes: The battery (7) is electrically connected to the control circuit (4) and is mounted inside the rib plate (22).

9. The electronic device according to claim 8, characterized in that, The first coil (11a) has two opposite ends, with the end located inside the first coil (11a) being the first contact (111) and the end located outside the first coil (11a) being the second contact (112). The second connector (51) includes a first segment (511) and a second segment (512) connected to each other, wherein the first segment (511) has an insulating covering layer; The first segment (511) extends along the first plate surface (211) and presses over a portion of the first coil (11a), while the second segment (512) extends from the bottom of the rib (22) toward the control circuit.

10. The electronic device according to claim 8, characterized in that, The second coil (11b) has the same winding direction as the first coil (11a), and the end located outside the first coil (11a) is the second contact (112); The control circuit (4) is located on top of the battery (7), and the first power supply terminal (41) and the second power supply terminal (42) are located on the same side of the control circuit (4); The second coil (11b) has a third contact (113) and a fourth contact (114) disposed opposite to each other, the third contact (113) and the fourth contact (114) being located on the inner side and the outer side of the second coil (11b), respectively; The rib (22) includes a third plate surface (213), a fourth plate surface (214) and a fifth plate surface (215), the second plate surface (212) faces the middle area of ​​the first plate surface (211), the fourth plate surface (214) is opposite to the first plate surface (211), and the fifth plate surface (215) is opposite to the third plate surface (213); The connecting radial pattern (12) includes a first connecting branch (121), a second connecting branch (122), and a third connecting branch (123) connected in sequence. The first connecting branch (121) is located on the third plate surface (213) and is electrically connected to the second contact (112). The second connecting branch (122) is located on the fourth plate surface (214). The third connecting branch (123) is located on the fifth plate surface (215) and is electrically connected to the third contact (113). The third connector (52) includes a third segment (521), a fourth segment (522), a fifth segment (523), and a sixth segment (524) connected in sequence. The third segment (521) includes an insulating covering layer and extends along the first plate surface (211). The third segment (521) covers a portion of the second coil (11b). The fourth segment (522) extends along the fifth plate surface (215). The fifth segment (523) extends along the fourth plate surface (214). The sixth segment (524) extends toward the control circuit (4).

11. The electronic device according to any one of claims 6-10, characterized in that, The electronic device also includes: Wristband (8), fixed to the housing (2); and A display screen (9) is disposed on the side of the electronic device away from the radiating part (1), and at least a portion of the radiating part (1) corresponds to the outer side of the display screen (9).

Images