CN220873834U

CN220873834U - Bracelet with antenna structure

Info

Publication number: CN220873834U
Application number: CN202322365394.8U
Authority: CN
Inventors: 张衡伏; 杨美军
Original assignee: Dongguan Liesheng Electronic Co Ltd
Current assignee: Dongguan Liesheng Electronic Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-30
Anticipated expiration: 2033-08-31

Abstract

The utility model belongs to the technical field of a bracelet, and particularly relates to a bracelet with an antenna structure, which comprises a shell and a display screen arranged above the shell, wherein the shell and the display screen cover are combined to form an accommodating space, a circuit main board and an antenna structure are arranged in the accommodating space, the antenna structure is used for receiving and transmitting signals, the antenna structure comprises an antenna, the antenna comprises an antenna feed area, an antenna middle section and an antenna tail end, the antenna feed area is connected with the antenna middle section, the antenna tail is connected with the antenna middle section, and the antenna tail is pressed by the circuit main board and is locked by a screw to be in ground contact with the circuit main board; the antenna elastic sheet is characterized in that one end of the antenna elastic sheet is connected with the antenna, and the other end of the antenna is connected with the circuit main board; and the antenna matching device is arranged on the circuit main board and is electrically connected with the circuit main board.

Description

Bracelet with antenna structure

Technical Field

The utility model belongs to the technical field of bracelets, and particularly relates to a bracelet with an antenna structure.

Background

With daily miniaturization and diversification of products in the market, wearing terminal equipment is gradually popularized, and more users wear the bracelet with them. Low-end bracelets on the market tend to be produced and shipped quickly to meet standards for product performance in an attempt to split a cup of thick soup in the smart wear market.

However, these low-end hand rings, although being thick, have poor wearing and using experience for people, for example, when data transmission and synchronization are performed, the distance is slightly far, so that the phenomenon of slow data transmission or failure or disconnection of data synchronization is easy to occur, and the wearing and using experience for people is poor.

Disclosure of utility model

The utility model aims to provide a bracelet with an antenna structure, and aims to solve the technical problems that in the prior art, when the bracelet is used for data transmission and synchronization, the phenomenon of slow data transmission or failure or disconnection of data synchronization easily occurs when the distance is slightly far, and the wearing and using experience of people is poor.

To achieve the above objective, an embodiment of the present utility model provides a bracelet with an antenna structure, including a housing and a display screen disposed above the housing, where the housing and the display screen cover are combined to form an accommodating space, a circuit board and an antenna structure are disposed in the accommodating space, the antenna structure is used for receiving and transmitting signals, the antenna structure is attached to an inner sidewall of the housing, and a gap is left between the antenna structure and the circuit board, where the antenna structure includes:

The antenna comprises an antenna feed area, an antenna middle section and an antenna tail end, wherein the antenna feed area is connected with the antenna middle section, the antenna tail is connected with the antenna middle section, and the antenna tail is pressed by the circuit main board and is locked to be in ground contact with the circuit main board through a screw;

the antenna elastic sheet is characterized in that one end of the antenna elastic sheet is connected with the antenna, and the other end of the antenna is connected with the circuit main board;

The antenna matching device is used for debugging the antenna, and is arranged on the circuit main board and electrically connected with the circuit main board.

Optionally, the shell includes the drain pan and encircles the drain pan edge and with the center of drain pan integral type connection, the display screen lid closes in the center top forms accommodation space.

Optionally, the antenna middle section is attached to the inner wall of the upper side of the middle frame, and the side wall of the antenna middle section is parallel to the inner side surface of the middle frame.

Optionally, the middle frame is a plastic middle frame, and the plastic middle frame is any one of a pure PC plastic material, a pure ABS plastic material or a mixed plastic material of PC and ABS.

Optionally, the antenna feeding area, the antenna middle section and the antenna tail end are electrically connected, and the antenna feeding area is connected with the antenna elastic sheet and is electrically connected with the circuit motherboard through the antenna elastic sheet.

Optionally, the display screen the antenna structure all with circuit board electric connection, be provided with display screen ZIF socket, display screen FPC winding displacement on the circuit board, display screen ZIF socket passes through display screen FPC winding displacement to be connected the display screen with the circuit board.

Optionally, still be provided with heart rate sensor, heart rate ZIF socket and heart rate FPC winding displacement on the circuit motherboard, heart rate ZIF socket passes through heart rate FPC winding displacement is connected heart rate sensor with the circuit motherboard.

Optionally, a TVS tube for preventing static electricity is further disposed on the circuit board, and a shielding case for shielding interference signals is disposed above the circuit board, where the shielding case is made of any one of copper-clad alloy, tin-clad alloy or metal material.

Optionally, three threaded holes are formed in the circuit motherboard, wherein two of the threaded holes are connected with a first screw connected with the bottom shell in a threaded manner, and the other threaded hole is connected with a second screw for locking the tail of the antenna.

Optionally, the portable electronic device further comprises a watchband, wherein the watchband is connected to two sides of the shell, the watchband comprises a long watchband and a short watchband, the long watchband is connected to the right side of the shell, and the watchband is connected to the left side of the shell.

The above technical solutions in the bracelet with an antenna structure provided by the embodiments of the present utility model have at least one of the following technical effects:

The antenna feed area of this embodiment passes through the antenna shell fragment is connected the circuit motherboard, most regions of antenna are located keep away from the staff the shells inner wall upside, just the longer area of antenna is also big, like this the radiation of antenna is strong, the directionality is good, transmission distance is far away, lets low-end bracelet have good antenna performance and good wearing and use experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a bracelet with an antenna structure according to an embodiment of the present utility model;

Fig. 2 is a schematic diagram of an internal structure of a bracelet with an antenna structure according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a circuit board with a bracelet having an antenna structure according to an embodiment of the present utility model;

Fig. 4 is a 3D directional diagram of an antenna when the bracelet with an antenna structure according to an embodiment of the present utility model is worn.

Fig. 5 is a 2D directional diagram of an antenna when the bracelet with an antenna structure according to an embodiment of the present utility model is worn.

Wherein, each reference sign in the figure:

10. a housing; 11. a bottom case; 12. middle frame

20. Display screen

30. A circuit motherboard; 31. a display screen ZIF socket; 32. FPC (flexible printed circuit) flat cable of display screen; 33. a heart rate sensor; 34. heart rate ZIF socket; 35. heart rate FPC winding displacement; 36. TVS tube; 37. a shield; 38. a threaded hole; 39. second screw

40. An antenna structure; 41. an antenna; 410. an antenna feed region; 411. an antenna middle section; 412. an antenna tail; 42. an antenna spring plate; 43. antenna matching device

50. Watchband; 51. a long watchband; 52. short watchband

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1-3, a bracelet with an antenna 41 structure is provided, including a housing 10 and a display screen 20 disposed above the housing 10, where the housing 10 and the display screen 20 are covered and form an accommodating space, a circuit board 30 and an antenna structure 40 are disposed in the accommodating space, the antenna structure 40 is used for receiving and transmitting signals, the antenna structure 40 is attached to an inner sidewall of the housing 10, and a gap is left between the antenna structure 40 and the circuit board 30, and the antenna structure 40 includes an antenna 41, an antenna spring 42 and an antenna 41 matcher.

In this embodiment, the antenna 41 includes an antenna feeding area 410, an antenna middle section 411, and an antenna tail end 412, the antenna feeding area 410 is connected to the antenna middle section 411, the tail of the antenna 41 is connected to the antenna middle section 411, and the tail of the antenna 41 is pressed by the circuit board 30 and is locked by a screw to be in contact with the circuit board 30; one end of the antenna spring 42 is connected with the antenna 41, and the other end of the antenna 41 is connected with the circuit board 30; the antenna matching device 43 is used for debugging the antenna 41, and the antenna matching device 43 is mounted on the circuit board 30 and electrically connected with the circuit board 30.

In this embodiment, the middle antenna section 411 is attached to the upper inner wall of the middle frame 12, and the side wall of the middle antenna section 411 is parallel to the inner side of the middle frame 12, the antenna feeding area 410, the middle antenna section 411 and the tail antenna end 412 are electrically connected, and the antenna feeding area 410 is connected with the antenna spring 42 and electrically connected with the circuit board 30 through the antenna spring 42. The antenna feeding area 410 of the present embodiment is connected to the circuit board 30 through the antenna elastic sheet 42, most of the area of the antenna 41 is located at the upper side of the inner wall of the housing 10 far away from the human hand, and the longer area of the antenna 41 is also large, so that the antenna 41 has strong radiation, good directivity and long transmission distance, and the low-end bracelet has good performance of the antenna 41 and good wearing and using experience.

In one embodiment of the present utility model, as shown in fig. 4, the 3D pattern of the antenna 41 shows that the antenna 41 has better directivity and performance when away from the arm: the directivity of the antenna 41 above the arm is spherical, and no obvious dead angle exists; the directivity of the two sides below the arm is also better, besides the energy of the antenna 41 near the central point is absorbed by the arm, the directions of the antennas 41 at other positions are plump, the antennas 41 radiate strongly, the transmission distance is long, and the low-end bracelet has good performance of the antennas 41.

In one embodiment of the utility model, as shown in fig. 5, it can be seen from the 2D pattern of the antenna 41: besides being absorbed by the arm, the antenna 41 at other positions has plump and balanced directions, and is approximately circular, so that the antenna 41 has strong radiation, good directivity and long transmission distance, and the low-end bracelet has good performance of the antenna 41 and good wearing and using experience.

In this embodiment, as shown in fig. 1-3, the housing 10 includes a bottom shell 11 and a middle frame 12 surrounding the edge of the bottom shell 11 and integrally connected to the bottom shell 11, and the display screen 20 covers the middle frame 12 to form a receiving space. The bottom shell 11 and the middle frame 12 define an accommodating space, the accommodating space is used for accommodating the circuit board 30 and the antenna structure 40, and the display screen 20 covers the upper end of the accommodating space. In this embodiment, the display 20 may be a touch display 20, and may be used to provide an interactive interface, where the display 20 is disposed substantially parallel to the bottom case 11.

In this embodiment, the middle frame 12 is a plastic middle frame 12, and the plastic middle frame 12 is any one of a pure PC plastic material, a pure ABS plastic material, or a mixed plastic material of pc+abs. In the embodiment of the present utility model, the plastic middle frame 12 is preferably made of pure PC plastic or pure ABS plastic. Of course, according to practical situations and specific requirements, in other embodiments of the present utility model, the plastic middle frame 12 may be made of a mixed plastic material of pc+abs, which is not limited only herein.

In this embodiment, the display screen 20 and the antenna structure 40 are electrically connected to the circuit board 30, and a ZIF socket for the display screen 20 is disposed on the circuit board 30; 31. a display screen 20FPC flat cable 32, the display screen 20ZIF socket; 31 connect the display 20 with the circuit board 30 through a display 20FPC flat cable 32. In the embodiment of the present utility model, the circuit board 30 is preferably made of FR4 or FR 4. Of course, other media sheets may be used for the plastic center 12 in other embodiments of the present utility model, depending on the actual situation and the specific requirements. And are not limited in this regard.

In this embodiment, the circuit board 30 is further provided with a heart rate sensor 33, a heart rate ZIF socket 34 and a heart rate FPC cable 35, and the heart rate ZIF socket 34 is connected with the circuit board 30 through the heart rate FPC cable 35.

In this embodiment, the circuit board 30 is further provided with a TVS tube 36 for preventing static electricity, a shielding case 37 for shielding interference signals is disposed above the circuit board 30, and the shielding case 37 is made of any one of copper-clad laminate, tin-clad laminate or metal material. By the arrangement of the shield case 37, the shield case 37 can shield electronic components and wires that are susceptible to interference while preventing the circuits and the components from interfering with the outside. In the embodiment of the present utility model, the shielding case 37 is preferably made of copper or tin. Of course, in other embodiments of the present utility model, other metal members may be used for the shielding cover 37, which is not limited herein, according to practical situations and specific requirements.

In this embodiment, three threaded holes 38 are formed in the circuit board 30, wherein two of the threaded holes 38 are internally threaded with first screws (not shown) connected with the bottom shell 11, and the circuit board 30 is fixed in the middle frame 12 by connecting the first screws (not shown) in the threaded holes 38, so that the circuit board 30 is prevented from falling off in the use process. A second screw 39 is connected to the other screw hole 38 to lock the tail of the antenna 41, and the tail of the antenna 41 is pressed against the bottom of the circuit board 30 by connecting the second screw 39 to the screw hole 38.

In this embodiment, the watch band 50 is connected to two sides of the case 10, the watch band 50 includes a long watch band 51 and a short watch band 52, the long watch band 51 is connected to the right side of the case 10, and the watch band 50 is connected to the left side of the case 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a bracelet with antenna structure, its characterized in that, including the casing and set up in the display screen of casing top, the casing with the display screen lid merges and forms accommodation space, be provided with circuit board and antenna structure in the accommodation space, antenna structure is used for the receipt and the transmission of signal, antenna structure laminate in the casing inside wall, just antenna structure with leave the clearance between the circuit board, wherein, antenna structure includes:

2. The bracelet with antenna structure of claim 1, wherein the housing comprises a bottom shell and a middle frame surrounding an edge of the bottom shell and integrally connected with the bottom shell, the display screen covering over the middle frame to form a receiving space.

3. The bracelet with antenna structure of claim 2, wherein the antenna midsection is attached to the inner wall of the upper side of the middle frame and the antenna midsection side wall is parallel to the inner side of the middle frame.

4. The bracelet with antenna structure of claim 3, wherein the middle frame is a plastic middle frame, the plastic middle frame being any one of a pure PC plastic material, a pure ABS plastic material, or a mixed plastic material of pc+abs.

5. The bracelet with antenna structure of claim 3, wherein the antenna feed region, the antenna middle section, and the antenna tail end are electrically connected, the antenna feed region being connected with the antenna spring and electrically connected with the circuit motherboard through the antenna spring.

6. The bracelet with antenna structure according to any one of claims 1-5, wherein the display screen and the antenna structure are electrically connected to the circuit board, a display screen ZIF socket and a display screen FPC flat cable are arranged on the circuit board, and the display screen ZIF socket connects the display screen and the circuit board through the display screen FPC flat cable.

7. The bracelet with antenna structure of claim 6, further comprising a heart rate sensor, a heart rate ZIF jack and a heart rate FPC flat cable on the circuit board, wherein the heart rate ZIF jack connects the heart rate sensor with the circuit board through the heart rate FPC flat cable.

8. The bracelet with antenna structure according to claim 7, wherein the circuit board is further provided with a TVS tube for preventing static electricity, a shielding case for shielding interference signals is arranged above the circuit board, and the shielding case is any one of copper-clad, tin-clad or metal materials.

9. The bracelet with antenna structure according to claim 2, wherein three threaded holes are formed in the circuit board, wherein two of the threaded holes are connected with a first screw connected with the bottom shell in a threaded manner, and the other threaded hole is connected with a second screw for locking the tail of the antenna.

10. The wristband with antenna structure according to claim 9, further comprising a wristband attached to both sides of the case, the wristband comprising a long wristband attached to the right side of the case and a short wristband attached to the left side of the case.