High-gain antenna assembly and network card

Abstract

The utility model provides a high gain antenna assembly and a network card, including a substrate, the substrate is provided with a clearance zone and a metal grounding zone, the clearance zone is provided with a first radiator, a second radiator, a third radiator and a fourth radiator, the first radiator comprises a feed-in part and a short circuit part, the short circuit part is arranged at one end of the first radiator, and the metal grounding zone is arranged at the other end of the first radiator. The feed-in part is arranged on one side of the short-circuit part, the second radiator is arranged at one end, away from the short-circuit part, of the first radiator, the third radiator is arranged at one end, away from the first radiator, of the second radiator, and the fourth radiator is arranged between the first radiator and the metal grounding area. The high-gain antenna assembly provided by the utility model has the beneficial effects that the limited mainboard space can be effectively utilized, and the size of the antenna assembly is reduced as much as possible under the condition that the radio frequency performance is optimized, so that the overall size of the product is reduced, the customer cost is reduced, and the user experience is improved; and the product competitiveness is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency technical field especially is a kind of high gain antenna assembly and network card. BACKGROUND

[0002] With the popularity of WIFI network, more and more products are attached with wireless function, WIFI antenna is indispensable, in prior art, generally using ceramic antenna, FPC antenna, shell fragment antenna as wifi antenna, but due to product space and cost factors, traditional antenna cannot meet the radio frequency performance under smaller volume, independent antenna assembly also makes cost difficult to control.

[0003] A new high gain antenna needs to be developed. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problems that provide a kind of high gain antenna assembly and network card that meet the radio frequency performance in small space.

[0005] In order to solve the above technical problem, the technical scheme that the utility model adopts is as follows: a kind of high gain antenna assembly, including substrate, the substrate is provided with clearance and metal connection area, the clearance is equipped with first radiator, second radiator, third radiator and fourth radiator, the first radiator includes feed-in part and short-circuit part, the short-circuit part is arranged at one end of the first radiator, the first radiator is electrically connected with metal connection area by the short-circuit part, the feed-in part is arranged at one side of the short-circuit part, the feed-in part is connected with the feed-in structure arranged in metal connection area, the second radiator is arranged at one end of the first radiator away from the short-circuit part, the second radiator extends away from the metal connection area direction, the third radiator is arranged at one end of the second radiator away from the first radiator, the fourth radiator is arranged between the first radiator and metal connection area, and the fourth radiator is electrically connected with the metal connection area.

[0006] Further, the first radiator is provided with hollow part, and the hollow part is arranged at one side of the feed-in part away from the short-circuit part.

[0007] Further, the hollow part extends to the short-circuit part and abuts against the short-circuit part.

[0008] Further, one side of the second radiator away from the first radiator is provided with first branch arm.

[0009] Further, the fourth radiator is provided with second branch arm, and the second branch arm extends away from the feed-in part.

[0010] Further, the length of the second branch arm is 5.8-6.0 mm, the width of the second branch arm is 0.35-0.45 mm, and the distance between the second branch arm and the metal grounding area is 0.26-0.56 mm.

[0011] Further, the minimum distance between the first radiator and the fourth radiator is 0.12 mm.

[0012] Further, the feeding structure is connected with a pi-shaped circuit for adjusting impedance.

[0013] The utility model also relates to a network card, including high gain antenna subassembly any one of above described.

[0014] The utility model discloses beneficial effect lies in: provide a kind of high gain antenna subassembly of effectively utilizing limited mainboard space, the antenna subassembly has also reduced the size of antenna subassembly as far as possible under the condition of optimizing radio frequency performance, and then reduce the overall size of product, reduce customer cost, improve user experience, improve product competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0015] The specific structure of the utility model is described in detail as follows in combination with drawings:

[0016] Figure 1 It is the overall structure schematic view of one embodiment of the high gain antenna subassembly of the utility model;

[0017] Figure 2 It is the overall structure schematic view of another embodiment of the high gain antenna subassembly of the utility model;

[0018] Figure 3 It is the VSWR parameter test diagram of the high gain antenna subassembly of the utility model;

[0019] Figure 4 It is the RL parameter test diagram of the high gain antenna subassembly of the utility model;

[0020] Figure 5 It is the Smith Chart parameter test diagram of the high gain antenna subassembly of the utility model;

[0021] Figure 6 It is the Radiation Efficiency (%) parameter test diagram of the high gain antenna subassembly of the utility model;

[0022] Figure 7 It is the Radiation Efficiency (dB) parameter test diagram of the high gain antenna subassembly of the utility model;

[0023] Figure 8The Peak Gain (dB) parameter test diagram of the high-gain antenna assembly of the utility model;

[0024] 10 - substrate; 11 - clearance; 12 - metal ground area; 13 - feed structure; 131 - pi circuit;

[0025] 20 - first radiator; 21 - feed part; 22 - short-circuit part; 23 - hollowed part;

[0026] 30 - second radiator; 31 - first branch; 32 - arc-shaped radiator;

[0027] 40 - third radiator;

[0028] 50 - fourth radiator; 51 - second branch. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0030] In the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0031] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] In the utility model, unless another definite provision and limitation, the term " install ", " link ", " connect ", " fixed " and so on term should do broad sense understanding, for example, can be connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electric connection; can be direct connection, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0033] In the utility model, unless another definite provision and limitation, the first feature is " on " or " below " the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature " above ", " over " and " on " the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature " below ", " under " and " under " the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0034] In the description of the specification, the description of the terms " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.

[0035] Embodiment

[0036] Please refer to Figure 1 And Figure 2The embodiment provides a high-gain antenna assembly, which comprises a substrate provided with a clearance area 11 and a metal grounding area 12, the clearance area 11 is provided with a first radiator 20, a second radiator 30, a third radiator 40 and a fourth radiator 50, the first radiator 20 comprises a feeding portion 21 and a short-circuit portion 22, the short-circuit portion 22 is arranged at one end of the first radiator 20, the first radiator 20 is electrically connected with the metal grounding area 12 through the short-circuit portion 22, the feeding portion 21 is arranged at one side of the short-circuit portion 22, the feeding portion 21 is connected with a feeding structure 13 arranged on the metal grounding area 12, the second radiator 30 is arranged at one end of the first radiator 20 away from the short-circuit portion 22, the second radiator 30 extends away from the metal grounding area 12, the third radiator 40 is arranged at one end of the second radiator 30 away from the first radiator 20, and the fourth radiator 50 is arranged between the first radiator 20 and the metal grounding area 12 and is electrically connected with the metal grounding area 12.

[0037] In the embodiment, the antenna assembly comprises a substrate 10, the length of the substrate is 45.55 mm, the width of the substrate is 20 mm, the substrate is provided with a clearance area 11 and a metal grounding area 12, the clearance area 11 is located at one end of the substrate 10 along the length direction, the length of the clearance area along the length direction of the substrate is 5.76 mm, the width of the clearance area along the length direction of the substrate is 20 mm, and the width of the metal grounding area 12 is matched with the width of the substrate 10.

[0038] The clearance area 11 is provided with the first radiator 20, the second radiator 30, the third radiator 40 and the fourth radiator 50, one end of the first radiator 20 is electrically connected with the metal grounding area 12 through the short-circuit portion 22, one side of the short-circuit portion 22 is provided with the feeding portion 21, the minimum distance between the short-circuit portion 22 and the feeding portion 21 is 0.6 mm, the feeding portion 21 is connected with the feeding structure 13 arranged on the metal grounding area 12, the other end of the first radiator 20 is connected with the second radiator 30, the second radiator 30 extends away from the metal grounding area 12 and is connected with one end of the third radiator 40 through the arc-shaped radiator 32, the third radiator 40 is parallel to the first radiator 20, and the fourth radiator 50 is arranged between the first radiator 20 and the metal grounding area 12 and is electrically connected with the metal grounding area 12.

[0039] The first radiator 20, the second radiator 30, the third radiator 40 and the fourth radiator 50 are combined into a main radiator, the length of the main radiator is 15.79 mm, and the width of the main radiator is 5.76 mm.

[0040] The antenna can work in the frequency band of 2400-2500MHz and 5150-5850MHz and has good radio frequency performance by the main radiator and the metal ground as the coupling radiation and as the antenna component, the clearance 11 of the substrate 10 and the hollow part 23 of the first radiator 20.

[0041] As preferred in the embodiment, the first radiator 20 is provided with the hollow part 23, which is arranged on the side of the feed-in part 21 away from the short-circuit part 22.

[0042] In implementation, the hollow part 23 is arranged on the first radiator 20 and on the side of the feed-in part 21 away from the short-circuit part 22, so that the radio frequency performance of the antenna meets the requirements.

[0043] Preferably, the length of the hollow part 23 is 7.3mm, the width of the hollow part 23 is 0.5mm, and the minimum distance between the hollow part 23 and the feed-in part 21 is 0.35mm, so that the radio frequency performance of the antenna in the working frequency band is optimal.

[0044] As preferred in the embodiment, the hollow part 23 extends to the short-circuit part 22 and abuts against the short-circuit part 22.

[0045] In implementation, the hollow part 23 extends to the short-circuit part 22 and abuts against the edge of the short-circuit part 22, so that a gap is formed between the feed-in part 21 and the short-circuit part 22, and the radio frequency performance of the antenna is improved.

[0046] As preferred in the embodiment, the second radiator 30 is provided with the first branch arm 31 on the side away from the first radiator 20.

[0047] In implementation, the first branch arm 31 is arranged on the side of the second radiator 30 away from the first radiator 20, so that the radio frequency performance of the antenna is improved and meets the design requirements.

[0048] As preferred in the embodiment, the fourth radiator 50 is provided with the second branch arm 51, which extends away from the feed-in part 21.

[0049] In implementation, the second branch arm 51 is arranged on the end of the fourth radiator 50 away from the feed-in part 21, and the second branch arm 51 is parallel to the metal ground 12, so that the radio frequency performance of the antenna is improved and meets the design requirements.

[0050] Preferably, the length of the second branch 51 is 5.8-6.0 mm, the width of the second branch 51 is 0.35-0.45 mm, and the distance between the second branch 51 and the metal ground area 12 is 0.26-0.56 mm.

[0051] In the embodiment, the length of the second branch 51 is set to 5.8-6.0 mm, and the width of the second branch 51 is set to 0.35-0.45 mm, so that the radio frequency index of the antenna in the working frequency band can meet the requirements.

[0052] Preferably, the length of the second branch 51 is set to 5.9 mm, and the width of the second branch 51 is set to 0.4 mm, so that the radio frequency index of the antenna is optimal.

[0053] Preferably, the minimum distance between the first radiator 20 and the fourth radiator 50 is 0.12 mm.

[0054] In the embodiment, the minimum distance between the first radiator 20 and the fourth radiator 50 is set to 0.12 mm, so that the radio frequency index of the antenna can meet the requirements.

[0055] Preferably, the feeding structure 13 is connected with a pi circuit 131 for adjusting impedance.

[0056] In the embodiment, the pi circuit 131 is arranged at the end of the feeding structure 13 away from the feeding portion 21, so that the impedance of the antenna can be conveniently adjusted to improve the standing wave performance of the antenna.

[0057] As can be seen from the above description, the high-gain antenna assembly can effectively utilize the limited mainboard space, and the size of the antenna assembly is as small as possible under the condition that the radio frequency performance is optimized, so that the overall size of the product is reduced, the customer cost is reduced, the user experience is improved, and the product competitiveness is improved.

[0058] Please refer to Figures 3 to 8 As can be seen from the test diagram, the high-gain antenna assembly of the embodiment has good passive parameters and meets the design requirements of the radio frequency index in the working frequency band.

[0059] The utility model also relates to a network card, including high gain antenna assembly as any one of above described. The network card has the same advantages as the high gain antenna assembly, and will not be repeated.

[0060] Those skilled in the art will readily understand that the above-mentioned embodiments can be freely combined and superimposed without conflict.

[0061] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process conversion, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A high gain antenna assembly characterized by: The high gain antenna assembly comprises a substrate provided with a clearance area and a metal ground area, the clearance area is provided with a first radiator, a second radiator, a third radiator and a fourth radiator, the first radiator comprises a feed-in part and a short-circuit part, the short-circuit part is arranged at one end of the first radiator, the first radiator is electrically connected with the metal ground area through the short-circuit part, the feed-in part is arranged at one side of the short-circuit part, the feed-in part is connected with a feed-in structure arranged at the metal ground area, the second radiator is arranged at one end of the first radiator away from the short-circuit part, the second radiator extends away from the metal ground area, the third radiator is arranged at one end of the second radiator away from the first radiator, and the fourth radiator is arranged between the first radiator and the metal ground area, and the fourth radiator is electrically connected with the metal ground area.

2. The high-gain antenna assembly of claim 1, wherein: The first radiator is provided with a hollow part, and the hollow part is arranged at one side of the feed-in part away from the short-circuit part.

3. The high-gain antenna assembly of claim 2, wherein: The hollow part extends to the short-circuit part and abuts against the short-circuit part.

4. The high-gain antenna assembly of claim 3, wherein: One side of the second radiator away from the first radiator is provided with a first branch arm.

5. The high-gain antenna assembly of claim 2, wherein: The fourth radiator is provided with a second branch arm, and the second branch arm extends away from the feed-in part.

6. The high-gain antenna assembly of claim 5, wherein: The length of the second branch arm is 5.8-6.0 mm, the width of the second branch arm is 0.35-0.45 mm, and the distance between the second branch arm and the metal ground area is 0.26-0.56 mm.

7. The high-gain antenna assembly of claim 1, wherein: The minimum distance between the first radiator and the fourth radiator is 0.12 mm.

8. The high-gain antenna assembly of claim 1, wherein: The feed-in structure is connected with a π-shaped circuit for adjusting impedance.

9. A network card, characterized by: The high gain antenna assembly comprises any one of claims 1-8. The high gain antenna assembly comprises any one of claims 1-8.

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