Intelligent watch

Abstract

The intelligent watch comprises an insulation support, an antenna unit, a PCB and a battery electrically connected with the PCB, the PCB is provided with a feed pin, a first feed foot, a second feed foot and a third feed foot, the whole insulation support is in a rectangular frame shape, the PCB and the battery are both located in the insulation support, the antenna unit is arranged on the insulation support, and the antenna unit is arranged on the insulation support. The antenna unit comprises a first frame, a second frame, a third frame and a fourth frame which are sequentially connected end to end, the first frame comprises a first arm and a second arm which are vertically connected, a slot is formed in the first arm, and the slot comprises a first rectangular slot, a linear slot and a second rectangular slot which are sequentially connected; the fourth frame is provided with a partition groove, the feed pin, the first feed foot and the second feed foot are respectively connected with the second frame, the feed pin is arranged close to the first frame, and the third feed foot is connected with the fourth frame. The smart watch can realize full-band coverage, and has the advantages of antenna miniaturization and multi-band coexistence.

Description

Technical Field

[0001] The utility model relates to the technical field of wearable devices, and in particular to a smart watch. Background Art

[0002] Nowadays, various wearable devices need to support all network frequency bands. The development trend of wearable devices towards portability and miniaturization is very obvious, which requires the antennas in wearable devices to be miniaturized and integrate multiple frequency bands.

[0003] However, in the prior art, there is a lack of a smart watch that can simultaneously cover the LTE B1 (1920-2170MHz) frequency band, LTE B3 (1710-1880MHz) frequency band, LTE B7 (2500-2690MHz) frequency band, LTE B8 (880-960MHz) frequency band, LTE 38 (2570-2620MHz) frequency band, LTE B40 (2300-2400MHz) frequency band and LTE B41 (2496-2689MHz) frequency band, resulting in a market gap. Utility Model Content

[0004] The technical problem solved by the utility model is to provide a smart watch that can simultaneously cover the LTE B1 frequency band, LTE B3 frequency band, LTE B7 frequency band, LTE B8 frequency band, LTE 38 frequency band, LTE B40 frequency band and LTE B41 frequency band.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a smart watch, including an insulating bracket, an antenna unit, a PCB board and a battery electrically connected to the PCB board, the PCB board is provided with a feeding pin, a first feeding pin, a second feeding pin and a third feeding pin, the insulating bracket is in the shape of a rectangular frame as a whole, the PCB board and the battery are both located in the insulating bracket, the antenna unit is arranged on the insulating bracket, the antenna unit includes a first frame, a second frame, a third frame and a fourth frame connected end to end in sequence, the first frame includes a first arm and a second arm connected vertically, the first arm is located on the peripheral wall of the insulating bracket, and the second The arm is located on the front side of the insulating bracket, and a slot is provided on the first arm, and the slot includes a first rectangular slot, a straight slot and a second rectangular slot connected in sequence, and the length direction of the straight slot is arranged along the length direction of the first arm, and the second rectangular slot is connected to the bottom surface of the first arm; a partition slot is provided on the fourth frame, and the partition slot divides the fourth frame into two parts, and the feeding pin, the first ground feeding pin and the second ground feeding pin are respectively connected to the second frame, and the feeding pin is arranged close to the first frame, and the third ground feeding pin is connected to the fourth frame, and the connection between the third ground feeding pin and the fourth frame is located on the side of the partition slot close to the third frame.

[0006] In one embodiment, the antenna unit is composed of a metal frame structure.

[0007] In one embodiment, the antenna unit is an antenna circuit formed by laser engraving on the insulating bracket.

[0008] In one embodiment, the distance between the partition groove and the first frame is smaller than the distance between the partition groove and the third frame.

[0009] In one embodiment, the first ground feeding pin is located at a side of the feeding pin away from the first frame and is disposed close to the feeding pin, and the second ground feeding pin is disposed close to the third frame.

[0010] In one embodiment, in the slot, the first rectangular slot and the second rectangular slot are located on the same side of the straight slot.

[0011] In one embodiment, the cross-sections of the second frame, the third frame, and the fourth frame are all in an inverted L-shape.

[0012] The beneficial effect of the utility model is that in the smart watch, the antenna unit forms a main antenna corresponding to the slotted area and a parasitic coupling antenna corresponding to the area near the partition slot. The main antenna can generate resonances in the LTE B1 band, LTE B3 band, LTE B7 band and LTE B8 band, and the parasitic coupling antenna can generate resonances in the LTE B38 band, LTE B40 band and LTE B41 band, so that the smart watch can achieve full-band coverage, thereby achieving the advantages of antenna miniaturization and multi-band coexistence. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0014] Figure 1 The structure diagram of the smart watch of the first embodiment of the utility model is as follows: Figure 1 ;

[0015] Figure 2 The structure diagram of the smart watch of the first embodiment of the utility model is as follows: Figure 2 ;

[0016] Figure 3 for Figure 1 a cross-sectional view of the structure shown;

[0017] Figure 4 This is a schematic diagram of the structure of the antenna unit in the smart watch according to the first embodiment of the utility model;

[0018] Figure 5 The S11 parameter curve diagram of the antenna in the smart watch according to the first embodiment of the utility model;

[0019] Figure 6 The radiation efficiency curve diagram of the antenna in the smart watch of the first embodiment of the utility model;

[0020] Figure 7 This is a radiation gain curve diagram of the antenna in the smart watch according to the first embodiment of the present utility model.

[0021] Description of Figure Numbers:

[0022] 1. Insulation bracket;

[0023] 2. Antenna unit; 21. First frame; 211. First rectangular slot; 212. I-shaped slot; 213. Second rectangular slot; 22. Second frame; 23. Third frame; 24. Fourth frame; 241. Partition slot;

[0024] 3. PCB board; 31. power feeding pin; 32. first ground feeding pin; 33. second ground feeding pin; 34. third ground feeding pin;

[0025] 4. Battery. DETAILED DESCRIPTION

[0026] The purpose, features and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the present invention involve directional indications such as up, down, left, right, front, back, etc., then the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0030] In addition, if the meaning of "and / or" appears in the full text is to include three parallel solutions, taking "and / or" as an example, it includes solutions, or solutions, or solutions that are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0031] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0032] Embodiment 1

[0033] Please refer to Figures 1 to 7 , Embodiment 1 of the present utility model is: Figures 1 to 4 As shown, a smart watch comprises an insulating bracket 1, an antenna unit 2, a PCB board 3 and a battery 4 electrically connected to the PCB board 3, wherein the PCB board 3 is provided with a feeding pin 31, a first feeding ground pin 32, a second feeding ground pin 33 and a third feeding ground pin 34, the insulating bracket 1 is in a rectangular frame shape as a whole, the PCB board 3 and the battery 4 are both located in the insulating bracket 1, the antenna unit 2 is arranged on the insulating bracket 1, the antenna unit 2 comprises a first frame 21, a second frame 22, a third frame 23 and a fourth frame 24 connected end to end in sequence, the first frame 21 comprises a first arm and a second arm connected vertically, the first arm is located on the peripheral wall of the insulating bracket 1, the second arm is located on the front of the insulating bracket 1, the first arm is provided with a slot, and the slot comprises a first rectangular slot 211, a straight slot 212 and a fourth frame 24 connected in sequence. The second rectangular groove 213 is provided with a length direction of the straight groove 212 along the length direction of the first arm, and the second rectangular groove 213 is connected to the bottom surface of the first arm; the fourth frame 24 is provided with a partition groove 241, and the partition groove 241 divides the fourth frame 24 into two parts, the feed pin 31, the first feed ground pin 32 and the second feed ground pin 33 are respectively connected to the second frame 22, the feed pin 31 is arranged close to the first frame 21, the first feed ground pin 32 is located on the side of the feed pin 31 away from the first frame 21 and is arranged close to the feed pin 31, the second feed ground pin 33 is arranged close to the third frame 23, the third feed ground pin 34 is connected to the fourth frame 24, and the connection between the third feed ground pin 34 and the fourth frame 24 is located on the side of the partition groove 241 close to the third frame 23. The material of the insulating bracket 1 includes but is not limited to insulating plastic.

[0034] In the slot, the first rectangular slot 211 and the second rectangular slot 213 are located on the same side of the straight slot 212 , and the first rectangular slot 211 is a closed structure, that is, it is not connected to any side of the first arm.

[0035] The cross sections of the second frame 22 , the third frame 23 and the fourth frame 24 are all in an inverted L-shape.

[0036] In this embodiment, the distance between the partition groove 241 and the first frame 21 is smaller than the distance between the partition groove 241 and the third frame 23 .

[0037] The antenna unit 2 is composed of a metal frame structure, or the antenna unit 2 is an antenna circuit formed by laser engraving on the insulating bracket 1.

[0038] In the antenna unit 2, the antenna resonant frequency can be adjusted by adjusting the size and position of the slot of the main antenna, adjusting the size and position of the partition slot 241, and adjusting the position of the feed pin 31; the antenna resonant frequency impedance can be adjusted by adjusting the position of the first feed pin 32; the resonance of the parasitic coupling antenna can be adjusted by adjusting the positions of the second feed pin 33 and the third feed pin 34. The overall area of ​​the antenna unit 2 is small, which is conducive to reducing the material cost of the antenna unit 2 and improving the product competitiveness.

[0039] Figure 5 The S11 parameter curve of the antenna in the smart watch is shown; Figure 6 The radiation efficiency curve of the antenna in the smart watch is shown; Figure 7 The radiation gain curve of the antenna in this smart watch is shown in FIG. Figures 5 to 7 It can be seen that this smart watch can cover LTE B1 band, LTE B3 band, LTE B7 band, LTE B8 band, LTE 38 band, LTE B40 band and LTE B41 band at the same time.

[0040] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A smart watch, characterized in that: The invention comprises an insulating support, an antenna unit, a PCB board and a battery electrically connected to the PCB board, wherein the PCB board is provided with a feeding pin, a first ground feeding pin, a second ground feeding pin and a third ground feeding pin, the insulating support is in a rectangular frame shape as a whole, the PCB board and the battery are both located in the insulating support, the antenna unit is arranged on the insulating support, the antenna unit comprises a first frame, a second frame, a third frame and a fourth frame connected end to end in sequence, the first frame comprises a first arm and a second arm connected vertically, the first arm is located on the peripheral wall of the insulating support, the second arm is located on the front of the insulating support, and the first frame comprises a first arm and a second arm connected vertically. An arm is provided with a slot, and the slot includes a first rectangular slot, a straight slot and a second rectangular slot connected in sequence, the length direction of the straight slot is arranged along the length direction of the first arm, and the second rectangular slot is connected to the bottom surface of the first arm; the fourth frame is provided with a partition slot, and the partition slot divides the fourth frame into two parts, the feeding pin, the first ground feeding pin and the second ground feeding pin are respectively connected to the second frame, the feeding pin is arranged close to the first frame, the third ground feeding pin is connected to the fourth frame, and the connection between the third ground feeding pin and the fourth frame is located on the side of the partition slot close to the third frame.

2. The smart watch according to claim 1, characterized in that: The antenna unit consists of a metal frame structure.

3. The smart watch according to claim 1, characterized in that: The antenna unit is an antenna circuit formed by laser engraving on the insulating bracket.

4. The smart watch according to claim 1, characterized in that: The distance between the partition groove and the first frame is smaller than the distance between the partition groove and the third frame.

5. The smart watch according to claim 1, characterized in that: The first ground feeding pin is located at a side of the feeding pin away from the first frame and is arranged close to the feeding pin, and the second ground feeding pin is arranged close to the third frame.

6. The smart watch according to claim 1, characterized in that: In the slot, the first rectangular slot and the second rectangular slot are located on the same side of the straight slot.

7. The smart watch according to claim 1, characterized in that: The cross sections of the second frame, the third frame and the fourth frame are all in an inverted L shape.

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