Patch antenna, PCB module and electronic equipment

Abstract

The embodiment of the invention provides a patch antenna, a PCB module and electronic equipment. Relates to the antenna field. Comprising a dielectric body, a radiating body and a fixing assembly, and the radiating body comprises a first metal sheet, a second metal sheet, a side metal sheet and a feed metal sheet which are connected in sequence; the feed metal sheet is arranged on a first dielectric surface of the dielectric body, the side metal sheet is arranged on a second dielectric surface of the dielectric body, the first dielectric surface is the bottom surface of the dielectric body, the second dielectric surface is the side surface of the dielectric body, and the first dielectric surface is adjacent to the second dielectric surface; the first metal sheet and the second metal sheet are arranged on a third dielectric surface of the dielectric body, and the third dielectric surface is the top surface of the dielectric body.

Description

Technical Field

[0001] This application relates to the field of antennas, and particularly to a patch antenna, a PCB module, and an electronic device. Background Art

[0002] A patch antenna is an antenna with broadband characteristics and can be used for a mobile communication device to transmit and receive wireless signals.

[0003] In the related art, in order to reduce the space occupied by the antenna in a mobile communication device, it is necessary to ensure the transmission performance while reducing the antenna size. The antenna size can be reduced by using a material with a high dielectric constant.

[0004] However, in the above method, different mobile communication devices have different module sizes, and the performance of the antenna varies greatly on modules of different sizes. Therefore, R & D personnel need to design the antenna size separately, resulting in low universality of the antenna. Summary of the Invention

[0005] Embodiments of this application provide a patch antenna, a PCB module, and an electronic device to achieve the effect of improving the universality of the antenna.

[0006] In a first aspect, embodiments of this application provide a patch antenna, a PCB module, and an electronic device, including: a dielectric body, a radiator, and a fixing component, where

[0007] the radiator includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet that are connected in sequence;

[0008] the feeding metal sheet is disposed on a first dielectric surface of the dielectric body, the side metal sheet is disposed on a second dielectric surface of the dielectric body, the first dielectric surface is the bottom surface of the dielectric body, the second dielectric surface is the side surface of the dielectric body, and the first dielectric surface is adjacent to the second dielectric surface;

[0009] the first metal sheet and the second metal sheet are disposed on a third dielectric surface of the dielectric body, and the third dielectric surface is the top surface of the dielectric body.

[0010] In a possible implementation, the distance between a first median line of the feeding metal sheet and a second median line of the first dielectric surface is less than or equal to a first preset distance, the first median line is the median line of the feeding metal sheet along the length direction, and the direction of the second median line is the same as that of the first median line;

[0011] the distance between a third median line of the side metal sheet and a fourth median line of the second dielectric surface is less than or equal to a second preset distance, and the third median line and the fourth median line are median lines along the height direction of the dielectric body.

[0012] In a possible implementation, the first median line of the feeding metal sheet coincides with the second median line of the first dielectric surface;

[0013] The third median line of the side metal sheet coincides with the fourth median line of the second dielectric surface.

[0014] In a possible implementation, the width of the feeding metal sheet, the width of the side metal sheet, and the length of the second metal sheet are the same.

[0015] In a possible implementation, the thickness of the feeding metal sheet, the thickness of the side metal sheet, the thickness of the second metal sheet, and the thickness of the first metal sheet are the same.

[0016] In a possible implementation, the length of the first metal sheet is in the following range: [7.5 mm - a, 7.5 mm + a], where a is greater than or equal to 0 and a is less than or equal to the preset value corresponding to the length of the first metal sheet;

[0017] The width of the first metal sheet is in the following range: [6.5 mm - b, 6.5 mm + b], where b is greater than or equal to 0 and b is less than or equal to the preset value corresponding to the width of the first metal sheet;

[0018] The thickness of the first metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to the preset value corresponding to the thickness of the first metal sheet.

[0019] In a possible implementation, the length of the second metal sheet is in the following range: [1 mm - d, 1 mm + d], where d is greater than or equal to 0 and d is less than or equal to the preset value corresponding to the length of the second metal sheet;

[0020] The width of the second metal sheet is in the following range: [0.25 mm - e, 0.25 mm + e], where e is greater than or equal to 0 and e is less than or equal to the preset value corresponding to the width of the second metal sheet;

[0021] The thickness of the second metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to the preset value corresponding to the thickness of the second metal sheet.

[0022] In a possible implementation, the length of the side metal sheet is in the following range: [1.32 mm - f, 1.32 mm + f], where f is greater than or equal to 0 and f is less than or equal to the preset value corresponding to the length of the side metal sheet;

[0023] The width of the side metal sheet is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and less than or equal to a preset value corresponding to the width of the side metal sheet;

[0024] The thickness of the side metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and less than or equal to a preset value corresponding to the thickness of the side metal sheet.

[0025] In a possible implementation, the length of the feeding metal sheet is in the following range: [2 mm - g, 2 mm + g], where g is greater than or equal to 0 and less than or equal to a preset value corresponding to the length of the feeding metal sheet;

[0026] The width of the feeding metal sheet is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and less than or equal to a preset value corresponding to the width of the feeding metal sheet;

[0027] The thickness of the feeding metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and less than or equal to a preset value corresponding to the thickness of the feeding metal sheet.

[0028] In a possible implementation, the length of the dielectric body is in the following range: [8 mm - h, 8 mm + h], where h is greater than or equal to 0 and less than or equal to a preset value corresponding to the length of the dielectric body;

[0029] The width of the dielectric body is in the following range: [7 mm - i, 7 mm + i], where i is greater than or equal to 0 and less than or equal to a preset value corresponding to the width of the dielectric body;

[0030] The thickness of the dielectric body is in the following range: [1.5 mm - j, 1.5 mm + j], where j is greater than or equal to 0 and less than or equal to a preset value corresponding to the thickness of the dielectric body.

[0031] In a possible implementation, the fixing component includes a first fixing component and a second fixing component;

[0032] The first fixing component and the second fixing component are respectively located outside the first dielectric surface of the dielectric body;

[0033] The number of the first fixing components is 4, and a vertex of any one of the first fixing components coincides with a vertex of the first dielectric surface of the dielectric body;

[0034] The number of the second fixing component is 1. One wide side of the second fixing component coincides with the wide side of the first dielectric surface, and the fifth median line of the second fixing component coincides with the second median line of the first dielectric surface. The fifth median line is the median line of the second fixing component along the length direction.

[0035] In a possible implementation, the length of the first fixing component is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the first fixing component;

[0036] The width of the first fixing component is in the following range: [1.5 mm - m, 1.5 mm + m], where m is greater than or equal to 0 and m is less than or equal to the preset value corresponding to the width of the first fixing component;

[0037] The thickness of the first fixing component is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the first fixing component.

[0038] In a possible implementation, the length of the second fixing component is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the second fixing component;

[0039] The width of the second fixing component is in the following range: [1 mm - p, 1 mm + p], where p is greater than or equal to 0 and p is less than or equal to the preset value corresponding to the width of the second fixing component;

[0040] The thickness of the second fixing component is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the second fixing component;

[0041] The distance between the long side of the second fixing component and the fourth and fifth dielectric surfaces of the dielectric body is in the following range: [3 mm - l, 3 mm + l], where l is greater than or equal to 0 and l is less than or equal to the preset value corresponding to the width of the dielectric body.

[0042] In a possible implementation, the distance between the sixth median line of the first metal sheet and the eighth median line of the third dielectric surface is less than or equal to a third preset distance. The sixth median line is the median line of the first metal sheet along the length direction, and the eighth median line has the same direction as the second median line;

[0043] The distance between the first metal sheet and the first dielectric surface is in the following range: [1.3 mm - q, 1.3 mm + q], where q is greater than or equal to 0 and q is less than or equal to a preset value corresponding to the thickness of the dielectric body;

[0044] The distances between the first metal sheet and the side surfaces of the dielectric body are in the following ranges: [0.25 mm - r, 0.25 mm + r], where r is greater than or equal to 0 and r is less than or equal to a preset value corresponding to the width of the dielectric body.

[0045] In a possible implementation, the distance between the seventh median line and the eighth median line of the second metal sheet is less than or equal to a fourth preset distance, where the seventh median line is the median line of the second metal sheet along the width direction;

[0046] The distances between the wide sides of the second metal sheet and the fourth dielectric surface and the fifth dielectric surface are in the following range: [3 mm - s, 3 mm + s], where s is greater than or equal to 0 and s is less than or equal to a preset value corresponding to the width of the dielectric body.

[0047] In a second aspect, an embodiment of the present application provides a PCB module, and the PCB module includes the antenna according to any one of the above first aspects.

[0048] In a third aspect, an embodiment of the present application provides an electronic device, and the electronic device includes the PCB module according to any one of the above second aspects.

[0049] A patch antenna, a PCB module, and an electronic device provided by an embodiment of the present application are provided with a dielectric body, a radiator, and a fixing component. Among them, the radiator includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet that are connected in sequence. Among them, the feeding metal sheet is disposed on the first dielectric surface (the bottom surface of the dielectric body) of the dielectric body, the side metal sheet is disposed on the second dielectric surface (the side surface of the dielectric body) of the dielectric body, and the first metal sheet and the second metal sheet are disposed on the third dielectric surface (the top surface of the dielectric body). Through the design of a multi-layer coupling composite path and the mutual coordination between the dielectric body and the radiator, the antenna can support a wide frequency bandwidth while maintaining a small volume, so as to be applicable to various electronic devices and improve the universality of the antenna. Description of the Drawings

[0050] The drawings here are incorporated into the description and form a part of this description, showing embodiments consistent with the present application and used together with the description to explain the principles of the present application.

[0051] Figure 1 It is a schematic diagram of the scenario provided by an embodiment of the present application;

[0052] Figure 2Schematic diagram of the structure of a patch antenna provided by an embodiment of the present application;

[0053] Figure 3 Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0054] Figure 4a Schematic diagram of the side view structure of the patch antenna provided by an embodiment of the present application;

[0055] Figure 4b Schematic diagram of the side view structure of another patch antenna provided by an embodiment of the present application;

[0056] Figure 4c Schematic diagram of the side view structure of another patch antenna provided by an embodiment of the present application;

[0057] Figure 5a Schematic diagram of the side view structure of another patch antenna provided by an embodiment of the present application;

[0058] Figure 5b Schematic diagram of the side view structure of another patch antenna provided by an embodiment of the present application;

[0059] Figure 5c Schematic diagram of the side view structure of another patch antenna provided by an embodiment of the present application;

[0060] Figure 6a Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0061] Figure 6b Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0062] Figure 6c Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0063] Figure 7a Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0064] Figure 7b Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0065] Figure 7c Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0066] Figure 8 Schematic diagram of the structure of the dielectric body provided by an embodiment of the present application;

[0067] Figure 9 Schematic diagram of the structure of another patch antenna provided by an embodiment of the present application;

[0068] Figure 10 Schematic diagram of another patch antenna provided by an embodiment of the present application;

[0069] Figure 11 Top view structure diagram of the patch antenna provided by an embodiment of the present application;

[0070] Figure 12 Side view structure diagram of another patch antenna provided by an embodiment of the present application;

[0071] Figure 13 Echo loss curve measured when the patch antenna is mounted on the first PCB module;

[0072] Figure 14 Antenna efficiency curve measured when the patch antenna is mounted on the first PCB module;

[0073] Figure 15 Echo loss curve measured when the patch antenna is mounted on the second PCB module;

[0074] Figure 16 Echo loss curve measured when the patch antenna is mounted on the third PCB module;

[0075] Figure 17 Echo loss curve measured when the patch antenna is mounted on the fourth PCB module.

[0076] Explanation of reference numerals:

[0077] 10 - Electronic device;

[0078] 11 - Wireless device;

[0079] 101 - Antenna;

[0080] 20 - Patch antenna;

[0081] 21 - Dielectric body;

[0082] 22 - Radiator;

[0083] 23 - Fixing component;

[0084] 211 - First dielectric surface;

[0085] 212 - Second dielectric surface;

[0086] 213 - Third dielectric surface;

[0087] 214 - Fourth dielectric surface;

[0088] 215 - Fifth dielectric surface;

[0089] 221 - First metal sheet;

[0090] 222 - The second metal sheet;

[0091] 223 - The side metal sheet;

[0092] 224 - The feeding metal sheet;

[0093] 231 - The first fixing component;

[0094] 232 - The second fixing component.

[0095] Through the above - mentioned drawings, specific embodiments of the present application have been shown, and there will be more detailed descriptions hereinafter. These drawings and written descriptions are not intended to limit the scope of the concept of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. Detailed Description of the Embodiments

[0096] Here, the exemplary embodiments will be described in detail, and the examples are shown in the drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0097] It should be noted that in the embodiments of the present application, some industry - existing solutions such as certain software, components, models, etc. may be mentioned. They should be regarded as exemplary, and their purpose is only to illustrate the feasibility in the implementation of the technical solution of the present application, but it does not mean that the applicant has already or necessarily used this solution.

[0098] For the sake of easy understanding, the following combines Figure 1 , to illustrate the scenarios applicable to the embodiments of the present application.

[0099] Figure 1 It is a schematic diagram of the scenario provided for the embodiments of the present application. Please refer to Figure 1 , which includes an electronic device 10, a wireless device 11, and an antenna 101. The antenna 101 is included in the electronic device 10. The electronic device 10 may refer to a mobile terminal, for example, a mobile phone, a tablet computer, a laptop computer, etc. The wireless device 11 can send electromagnetic waves to the electronic device 10 and can also receive electromagnetic waves sent by the electronic device 10. The wireless device 11 may refer to a base station, a router, a satellite, etc. The electronic device 10 can receive electromagnetic waves sent by the wireless device 11 through the antenna 101 and can also send electromagnetic waves to the wireless device 11 through the antenna 101.

[0100] In related technologies, in order to reduce the space occupied by the antenna in a mobile communication device, it is necessary to ensure the transmission performance while reducing the antenna size. This can be achieved by using materials with a high dielectric constant to reduce the antenna size. However, in the above method, different mobile communication devices have different module sizes, and the performance of the antenna varies greatly on modules of different sizes. Therefore, developers need to design the antenna size separately, resulting in low universality of the antenna.

[0101] An embodiment of the present application provides a patch antenna, which is provided with a dielectric body, a radiator, and a fixing component. Among them, the radiator includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet connected in sequence. The feeding metal sheet is disposed on the first dielectric surface (the bottom surface of the dielectric body) of the dielectric body, the side metal sheet is disposed on the second dielectric surface (the side surface of the dielectric body) of the dielectric body, the first metal sheet and the second metal sheet are disposed on the third dielectric surface (the top surface of the dielectric body) of the dielectric body. Through the design of a multi-layer coupling composite path and the mutual coordination between the dielectric body and the radiator, the antenna can maintain a small volume while supporting a wide frequency bandwidth, so as to be applicable to various electronic devices and improve the universality of the antenna.

[0102] Next, the patch antenna shown in the present application will be described in detail through specific embodiments. It should be noted that the following several embodiments can exist independently or be combined with each other. For the same or similar content, it will not be repeated in different embodiments.

[0103] Figure 2 It is a schematic structural diagram of a patch antenna provided by an embodiment of the present application. Please refer to Figure 2 , the patch antenna 20 includes: a dielectric body 21, a radiator 22, and a fixing component 23. Among them, the radiator 22 includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet connected in sequence; the feeding metal sheet is disposed on the first dielectric surface of the dielectric body 21, the side metal sheet is disposed on the second dielectric surface of the dielectric body 21, the first dielectric surface is the bottom surface of the dielectric body 21, the second dielectric surface is the side surface of the dielectric body 21, and the first dielectric surface is adjacent to the second dielectric surface; the first metal sheet and the second metal sheet are disposed on the third dielectric surface of the dielectric body 21, and the third dielectric surface is the top surface of the dielectric body 21.

[0104] The dielectric body 21 has a supporting function, which is used to provide structural support for the patch antenna 20, thereby increasing the physical strength of the patch antenna 20, ensuring the overall structural stability, and being not easily damaged by external influences, such as temperature changes, humidity changes, etc. The dielectric body 21 can be used to support the radiator 22.

[0105] The dielectric body 21 also has the function of isolation, which is used to provide electrical isolation for the patch antenna 20. The dielectric body 21 can provide electrical isolation for the radiator 22 to isolate the radiator 22 and the ground plane, so as to ensure that the patch antenna 20 will not be short-circuited or suffer from unnecessary electrical interference.

[0106] The shape of the dielectric body 21 can be a polyhedron, a cylinder, etc. Preferably, the shape of the dielectric body 21 can be a cuboid. The dielectric body 21 can include a plurality of dielectric surfaces.

[0107] The dielectric constant of the dielectric body 21 can affect the propagation speed of electromagnetic waves, thereby affecting the bandwidth of the patch antenna 20. The dielectric constant of the dielectric body 21 can be in the following range: [6 - t, 6 + t], where t is greater than or equal to 0. For example, the dielectric constant of the dielectric body 21 can be 5, 5.5, 7, etc. Preferably, the dielectric constant of the dielectric body 21 is 6.

[0108] The radiator 22 has the function of radiation, which is used to receive and emit electromagnetic waves. The radiator 22 can convert an electrical signal into an electromagnetic wave and emit it, or convert the received electromagnetic wave into an electrical signal.

[0109] The radiator 22 includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet, wherein the first metal sheet, the second metal sheet, the side metal sheet, and the feeding metal sheet are connected in sequence.

[0110] The fixing component 23 has the function of fixing, which is used to fix the patch antenna 20. The fixing component 23 includes a first fixing component and a second fixing component. The fixing component 23 can fix the dielectric body 21 on a Printed Circuit Board (PCB) module.

[0111] Next, in combination with Figure 3 , through specific examples, the structure of the patch antenna will be described.

[0112] Figure 3 This is a schematic structural diagram of another patch antenna provided by an embodiment of the present application. Based on the embodiment shown in Figure 2 , please refer to Figure 3 , the patch antenna 20 further includes: a first metal sheet 221, a second metal sheet 222, a side metal sheet 223, and a feeding metal sheet 224.

[0113] The first metal sheet 221 has the function of radiation, which is used to receive and transmit electromagnetic wave signals. The first metal sheet 221 realizes the effective emission or reception of signals through the interaction with the second metal sheet 222, the side metal sheet 223, and the feeding metal sheet 224.

[0114] The shape of the first metal sheet 221 can be a two-dimensional closed figure. For example, the shape of the first metal sheet 221 can be a polygon, a circle, etc.

[0115] Preferably, the shape of the first metal sheet 221 is a rectangle. Among them, the length of the first metal sheet 221 is in the following range: [7.5 mm - a, 7.5 mm + a], where a is greater than or equal to 0 and a is less than or equal to the preset value corresponding to the length of the first metal sheet 221; the width of the first metal sheet 221 is in the following range: [6.5 mm - b, 6.5 mm + b], where b is greater than or equal to 0 and b is less than or equal to the preset value corresponding to the width of the first metal sheet 221; the thickness of the first metal sheet 221 is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to the preset value corresponding to the thickness of the first metal sheet 221.

[0116] Preferably, the length of the first metal sheet 221 can be 7.5 mm, the width can be 6.5 mm, and the thickness can be 0.01 mm.

[0117] The first metal sheet 221 is disposed on the third dielectric surface of the dielectric body 21. The first metal sheet 221 can be disposed outside the third dielectric surface; or, the first metal sheet 221 can be embedded in the third dielectric surface and located within the third dielectric surface; or, the first metal sheet 221 can be embedded in the third dielectric surface and flush with the third dielectric surface.

[0118] Next, in combination with Figure 4a 、 Figure 4b and Figure 4c , through specific examples, the structure of the first metal sheet 221 will be described.

[0119] Figure 4a 、 Figure 4b and Figure 4c are schematic side views of the patch antenna provided by the embodiment of the present application. The dielectric body 21 further includes: a third dielectric surface 213. The first metal sheet 221 is disposed on the third dielectric surface 213 of the dielectric body 21. Optionally, as shown in Figure 4a , the first metal sheet 221 can be disposed outside the third dielectric surface 213. Optionally, as shown in Figure 4b , the first metal sheet 221 can be embedded in the third dielectric surface and located within the third dielectric surface. Optionally, as shown in Figure 4c , the first metal sheet 221 can be embedded in the third dielectric surface and flush with the third dielectric surface.

[0120] The first metal sheet 221 is connected to the second metal sheet 222.

[0121] The second metal sheet 222 has improved functions for increasing the bandwidth of the patch antenna 20 and optimizing the radiation efficiency of the patch antenna 20 at different frequencies, thereby enhancing the performance of the patch antenna 20 in multi - bands or wide - bands.

[0122] The second metal sheet 222 is connected to the first metal sheet 221 and the side metal sheet 223 respectively.

[0123] The shape of the second metal sheet 222 can be a two - dimensional closed figure. For example, the shape of the second metal sheet 222 can be a polygon, a circle, etc.

[0124] Preferably, the shape of the second metal sheet 222 is a rectangle. Among them, the length of the second metal sheet 222 is in the following range: [1 mm - d, 1 mm + d], where d is greater than or equal to 0 and less than or equal to the preset value corresponding to the length of the second metal sheet 222; the width of the second metal sheet 222 is in the following range: [0.25 mm - e, 0.25 mm + e], where e is greater than or equal to 0 and less than or equal to the preset value corresponding to the width of the second metal sheet 222; the thickness of the second metal sheet 222 is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and less than or equal to the preset value corresponding to the thickness of the second metal sheet 222.

[0125] Preferably, the length of the second metal sheet 222 can be 1 mm, the width can be 0.25 mm, and the thickness can be 0.01 mm.

[0126] The second metal sheet 222 is disposed on the third dielectric surface of the dielectric body 21. The second metal sheet 222 can be disposed outside the third dielectric surface; or, the second metal sheet 222 can be embedded in the third dielectric surface and located within the third dielectric surface; or, the second metal sheet 222 can be embedded in the third dielectric surface and flush with the third dielectric surface.

[0127] Next, in combination with Figure 5a 、 Figure 5b and Figure 5c , through specific examples, the structure of the second metal sheet 222 will be described.

[0128] Figure 5a 、 Figure 5b and Figure 5c are schematic side - view structural diagrams of another patch antenna provided by an embodiment of the present application. The second metal sheet 222 is disposed on the third dielectric surface 213 of the dielectric body 21. Optionally, as shown in Figure 5a , the second metal sheet 222 can be disposed outside the third dielectric surface 213. Optionally, as shown in Figure 5b , the second metal sheet 222 can be embedded in the third dielectric surface 213 and located within the third dielectric surface 213. Optionally, as shown in Figure 5cAs shown, the second metal sheet 222 can be embedded in the third dielectric surface 213 and be flush with the third dielectric surface 213. The side metal sheet 223 has an adjusting function for adjusting the radiation characteristics of the patch antenna 20. The side metal sheet 223 is connected to the feeding metal sheet 224, thereby improving the radiation characteristics of the patch antenna 20. The side metal sheet 223 can enable the patch antenna 20 to achieve a more uniform radiation pattern within a relatively wide frequency range. The side metal sheet 223 can also adjust the radiation directivity of the patch antenna 20, and can enhance or change the radiation distribution.

[0129] The side metal sheet 223 is respectively connected to the second metal sheet 222 and the feeding metal sheet 224.

[0130] The shape of the side metal sheet 223 can be a two-dimensional closed figure. For example, the shape of the side metal sheet 223 can be a polygon, a circle, etc.

[0131] Preferably, the shape of the side metal sheet 223 is a rectangle. Among them, the length of the side metal sheet 223 is in the following range: [1.32 mm - f, 1.32 mm + f], where f is greater than or equal to 0 and f is less than or equal to the preset value corresponding to the length of the side metal sheet 223; the width of the side metal sheet 223 is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and e is less than or equal to the preset value corresponding to the width of the side metal sheet 223; the thickness of the side metal sheet 223 is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to the preset value corresponding to the thickness of the side metal sheet 223.

[0132] Preferably, the length of the side metal sheet 223 can be 1.32 mm, the width can be 1 mm, and the thickness can be 0.01 mm.

[0133] The side metal sheet 223 is arranged on the second dielectric surface of the dielectric body 21. The side metal sheet 223 can be arranged outside the second dielectric surface; or, the side metal sheet 223 can be embedded in the second dielectric surface and be located within the second dielectric surface; or, the side metal sheet 223 can be embedded in the second dielectric surface and be flush with the second dielectric surface.

[0134] Next, in combination with Figure 6a , Figure 6b and Figure 6c , through specific examples, the structure of the side metal sheet 223 will be described.

[0135] Figure 6a , Figure 6b and Figure 6c are schematic structural diagrams of another patch antenna provided by the embodiment of the present application. In Figure 3Based on this, the patch antenna 20 further includes: a second dielectric surface 212. The side metal sheet 223 is disposed on the second dielectric surface 212 of the dielectric body 21. Optionally, please refer to Figure 6a As shown, the side metal sheet 223 can be disposed outside the second dielectric surface 212. Optionally, please refer to Figure 6b As shown, the side metal sheet 223 can be embedded in the second dielectric surface 212 and located within the second dielectric surface 212. Optionally, please refer to Figure 6c As shown, the side metal sheet 223 can be embedded in the second dielectric surface 212 and flush with the second dielectric surface 212.

[0136] The feeding metal sheet 224 has the function of signal input and is used to transmit an external signal to the radiator 22. Specifically, the feeding metal sheet 224 can input a signal to the radiator 22 by means of feeding.

[0137] The feeding metal sheet 224 is connected to the side metal sheet 223.

[0138] The shape of the feeding metal sheet 224 can be a two-dimensional closed figure. For example, the shape of the feeding metal sheet 224 can be a polygon, a circle, etc.

[0139] Preferably, the shape of the feeding metal sheet 224 is a rectangle. Among them, the length of the feeding metal sheet 224 is in the following range: [2 mm - g, 2 mm + g], where g is greater than or equal to 0 and g is less than or equal to the preset value corresponding to the length of the feeding metal sheet 224; the width of the feeding metal sheet 224 is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and e is less than or equal to the preset value corresponding to the width of the feeding metal sheet 224; the thickness of the feeding metal sheet 224 is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to the preset value corresponding to the thickness of the feeding metal sheet 224.

[0140] Preferably, the length of the feeding metal sheet 224 can be 2 mm, the width can be 1 mm, and the thickness can be 0.01 mm.

[0141] The feeding metal sheet 224 is disposed on the first dielectric surface of the dielectric body 21. The feeding metal sheet 224 can be disposed outside the first dielectric surface; or, the feeding metal sheet 224 can be embedded in the first dielectric surface and located within the first dielectric surface; or, the feeding metal sheet 224 can be embedded in the first dielectric surface and flush with the first dielectric surface.

[0142] Next, in combination with Figure 7a 、 Figure 7b and Figure 7c , through specific examples, the structure of the feeding metal sheet 224 will be described.

[0143] Figure 7a , Figure 7b and Figure 7c is a schematic structural diagram of another patch antenna provided by an embodiment of the present application. The patch antenna 20 further includes: a first dielectric surface 211. The feeding metal sheet 224 is disposed on the first dielectric surface 211 of the dielectric body 21. Optionally, please refer to Figure 7a As shown, the feeding metal sheet 224 may be disposed outside the first dielectric surface 211. Optionally, please refer to Figure 7b As shown, the feeding metal sheet 224 may be embedded in the first dielectric surface 211 and located within the first dielectric surface 211. Optionally, please refer to Figure 7c As shown, the feeding metal sheet 224 may be embedded in the first dielectric surface 211 and flush with the first dielectric surface 211.

[0144] Preferably, the width of the feeding metal sheet 224, the width of the side metal sheet 223, and the length of the second metal sheet 222 are the same. The thickness of the feeding metal sheet 224, the thickness of the side metal sheet 223, the thickness of the second metal sheet 222, and the thickness of the first metal sheet 221 are the same.

[0145] The patch antenna 20 shown in the embodiment of the present application includes: a dielectric body 21, a radiator 22, and a fixing component 23. The dielectric body 21 has a supporting function for providing structural support for the patch antenna 20; the dielectric body 21 also has an isolation function for providing electrical isolation for the patch antenna 20; the radiator 22 has a radiation function for receiving and transmitting electromagnetic waves; the radiator 22 includes a first metal sheet 221, a second metal sheet 222, a side metal sheet 223, and a feeding metal sheet 224; the fixing component 23 has a fixing function for fixing the patch antenna 20. The above antenna can cover a relatively wide frequency band through the combination of the dielectric body 21 and the radiator 22, so as to adapt to different mobile terminal devices; through the multi-layer structure design of the dielectric body 21, the radiator 22, and the fixing component 23, the space occupation can be reduced and the volume can be reduced; and, the design of the multi-layer coupling composite path of the first metal sheet 221, the second metal sheet 222, the side metal sheet 223, and the feeding metal sheet 224, as well as the mutual coordination between the dielectric body 21 and the radiator 22, can keep the patch antenna 20 with a small volume while supporting a wide frequency bandwidth, so as to be applicable to various electronic devices and improve the universality of the patch antenna 20.

[0146] Based on any one of the above embodiments, below, in combination with Figure 8 the patch antenna will be further described.

[0147] Figure 8 is a schematic structural diagram of the dielectric body provided by an embodiment of the present application. Please refer to Figure 8, the dielectric body 21 includes: a first dielectric surface 211, a second dielectric surface 212, and a third dielectric surface 213.

[0148] The first dielectric surface 211 has a supporting function and can be used to support the dielectric body 21 and the radiator 22. The first dielectric surface 211 may refer to the bottom surface of the dielectric body 21.

[0149] The second dielectric surface 212 has a supporting function and can be used to support the second metal sheet 222 and the side metal sheet 223. The second dielectric surface 212 may refer to the side surface of the dielectric body 21.

[0150] The third dielectric surface 213 has a supporting function and can be used to support the first metal sheet 221 and the second metal sheet 222. The third dielectric surface 213 may refer to the top surface of the dielectric body 21.

[0151] Preferably, the shape of the dielectric body 21 is a cuboid. Among them, the length of the dielectric body 21 is in the following range: [8 mm - h, 8 mm + h], where h is greater than or equal to 0 and h is less than or equal to the preset value corresponding to the length of the dielectric body 21; the width of the dielectric body 21 is in the following range: [7 mm - i, 7 mm + i], where i is greater than or equal to 0 and i is less than or equal to the preset value corresponding to the width of the dielectric body 21; the thickness of the dielectric body 21 is in the following range: [1.5 mm - j, 1.5 mm + j], where j is greater than or equal to 0 and j is less than or equal to the preset value corresponding to the thickness of the dielectric body 21.

[0152] Preferably, the length of the dielectric body 21 can be 8 mm, the width of the dielectric body 21 can be 7 mm, and the thickness of the dielectric body 21 can be 1.5 mm.

[0153] Next, in combination with Figure 9 Through specific examples, the structure of the patch antenna will be described.

[0154] Figure 9 This is a schematic structural diagram of another patch antenna provided by an embodiment of the present application. Based on what is shown in Figure 3 Please refer to Figure 9 .

[0155] The distance between the first midline of the feeding metal sheet 224 and the second midline of the first dielectric surface 211 is less than or equal to the first preset distance. The first midline is the midline of the feeding metal sheet 224 along the length direction, and the second midline has the same direction as the first midline.

[0156] Preferably, the distance between the first midline of the feeding metal sheet 224 and the second midline of the first dielectric surface 211 is equal to 0, that is, the first midline of the feeding metal sheet 224 coincides with the second midline of the first dielectric surface 211.

[0157] The distance between the third median line of the side metal sheet 223 and the fourth median line of the second dielectric surface 212 is less than or equal to a second preset distance, and the third median line and the fourth median line are median lines along the height direction of the dielectric body 21.

[0158] Preferably, the distance between the third median line of the side metal sheet 223 and the fourth median line of the second dielectric surface 212 is equal to 0, that is, the third median line of the side metal sheet 223 coincides with the fourth median line of the second dielectric surface 212.

[0159] The distance between the sixth median line of the first metal sheet 221 and the eighth median line of the third dielectric surface 213 is less than or equal to a third preset distance, the sixth median line is the median line of the first metal sheet 221 along the length direction, and the eighth median line has the same direction as the second median line.

[0160] Preferably, the distance between the sixth median line of the first metal sheet 221 and the eighth median line of the third dielectric surface 213 is equal to 0, that is, the sixth median line of the first metal sheet 221 coincides with the eighth median line of the third dielectric surface 213.

[0161] The distance between the seventh median line of the second metal sheet 222 and the eighth median line of the third dielectric surface 213 is less than or equal to a fourth preset distance, and the seventh median line is the median line of the second metal sheet 222 along the width direction.

[0162] Preferably, the distance between the seventh median line of the second metal sheet 222 and the eighth median line of the third dielectric surface 213 is equal to 0, that is, the seventh median line of the second metal sheet 222 coincides with the eighth median line of the third dielectric surface 213.

[0163] Next, in combination with Figure 10 The structure of the patch antenna will be described through specific examples.

[0164] Figure 10 For the structural schematic diagram of another patch antenna provided by the embodiment of the present application, please refer to Figure 10 , the patch antenna 20 further includes: a first fixing component 231 and a second fixing component 232.

[0165] The first fixing component 231 has a fixing function and is used to fix the dielectric body 21 on the PCB module.

[0166] The first fixing component 231 is located outside the first dielectric surface 211 of the dielectric body 21.

[0167] The number of the first fixing components 231 is 4, and a vertex of any one of the first fixing components 231 coincides with a vertex of the first dielectric surface 211 of the dielectric body 21.

[0168] The shape of the first fixing component 231 can be a two-dimensional closed figure. For example, the shape of the first fixing component 231 can be a polygon, a circle, etc. Preferably, the shape of the first fixing component 231 is a rectangle. Among them, the length of the first fixing component 231 is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the first fixing component 231; the width of the first fixing component 231 is in the following range: [1.5 mm - m, 1.5 mm + m], where m is greater than or equal to 0 and m is less than or equal to the preset value corresponding to the width of the first fixing component 231; the thickness of the first fixing component 231 is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the first fixing component 231.

[0169] Preferably, the length of the first fixing component 231 can be 2 mm, the width of the first fixing component 231 can be 1.5 mm, and the thickness of the first fixing component 231 can be 0.01 mm.

[0170] The second fixing component 232 has a fixing function and is used to fix the dielectric body 21 on the PCB module.

[0171] The second fixing component 232 is located outside the first dielectric surface 211 of the dielectric body 21.

[0172] The number of the second fixing components 232 is 1. One wide side of the second fixing component 232 coincides with the wide side of the first dielectric surface 211, and the fifth median line of the second fixing component 232 coincides with the second median line of the first dielectric surface 211. The fifth median line is the median line of the second fixing component 232 along the length direction.

[0173] The shape of the second fixing component 232 can be a two-dimensional closed figure. For example, the shape of the second fixing component 232 can be a polygon, a circle, etc. Preferably, the shape of the second fixing component 232 is a rectangle. Among them, the length of the second fixing component 232 is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the second fixing component 232; the width of the second fixing component 232 is in the following range: [1 mm - p, 1 mm + p], where p is greater than or equal to 0 and p is less than or equal to the preset value corresponding to the width of the second fixing component 232; the thickness of the second fixing component 232 is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the second fixing component 232.

[0174] Preferably, the length of the second fixing component 232 can be 2 millimeters, the width of the second fixing component 232 can be 1 millimeter, and the thickness of the second fixing component 232 can be 0.01 millimeter.

[0175] In Figure 8 , Figure 9 and Figure 10 In the embodiments shown in , the dielectric body 21 further includes a first dielectric surface 211, a second dielectric surface 212, a third dielectric surface 213, a first fixing component 231, and a second fixing component 232. The first dielectric surface 211 has a supporting function and can be used to support the dielectric body 21 and the radiator 22. The second dielectric surface 212 has a supporting function and can be used to support the second metal sheet 222 and the side metal sheet 223. The third dielectric surface 213 has a supporting function and can be used to support the first metal sheet 221 and the second metal sheet 222. The first fixing component 231 has a fixing function and is used to fix the dielectric body 21 on the PCB module. The second fixing component 232 has a fixing function and is used to fix the dielectric body 21 on the PCB module. In this way, the structural stability of the patch antenna 20 is ensured by the first fixing component 231 and the second fixing component 232, so as to ensure that the patch antenna 20 can provide stable performance in different working environments. At the same time, by limiting the size of the dielectric body 21, the radiation performance of the patch antenna 20 can be optimized, so as to adapt to different working frequency bands and environmental conditions. And, by designing the positions and alignment manners of the first metal sheet 221, the second metal sheet 222, the side metal sheet 223, and the feeding metal sheet 224, the radiation efficiency, gain, and bandwidth of the patch antenna 20 are improved, and thus the communication quality and signal coverage range are improved.

[0176] Based on any of the above embodiments, hereinafter, with reference to Figure 11 the patch antenna 20 will be further described.

[0177] Figure 11 For the top view structural schematic diagram of the patch antenna provided by the embodiment of the present application, please refer to Figure 11 , the patch antenna 20 further includes a fourth dielectric surface 214 and a fifth dielectric surface 215.

[0178] The fourth dielectric surface 214 has a supporting function and is used to support the dielectric body 21.

[0179] The fourth dielectric surface 214 may refer to the side surface of the dielectric body 21.

[0180] The fifth dielectric surface 215 has a supporting function and is used to support the dielectric body 21.

[0181] The fifth dielectric surface 215 may refer to the side surface of the dielectric body 21.

[0182] The fourth dielectric surface 214 and the fifth dielectric surface 215 are disposed opposite to each other. The fourth dielectric surface 214 is adjacent to the second dielectric surface 212. The fifth dielectric surface 215 is adjacent to the second dielectric surface 212.

[0183] The distance between the long side of the second fixing component 232 and the fourth dielectric surface 214 and the fifth dielectric surface 215 of the dielectric body 21 is in the following range: [3 mm - l, 3 mm + l], where l is greater than or equal to 0 and l is less than or equal to a preset value corresponding to the width of the dielectric body 21.

[0184] Preferably, the distance between the long side of the second fixing component 232 and the fourth dielectric surface 214 and the fifth dielectric surface 215 of the dielectric body 21 can be 3 mm.

[0185] The distances between the first metal sheet 221 and the side surfaces of the dielectric body 21 are in the following range: [0.25 mm - r, 0.25 mm + r], where r is greater than or equal to 0 and r is less than or equal to a preset value corresponding to the width of the dielectric body 21.

[0186] Preferably, the distances between the first metal sheet 221 and the side surfaces of the dielectric body 21 can be 0.25 mm.

[0187] The distance between the wide side of the second metal sheet 222 and the fourth dielectric surface 214 and the fifth dielectric surface 215 is in the following range: [3 mm - s, 3 mm + s], where s is greater than or equal to 0 and s is less than or equal to a preset value corresponding to the width of the dielectric body 21.

[0188] Preferably, the distance between the wide side of the second metal sheet 222 and the fourth dielectric surface 214 and the fifth dielectric surface 215 can be 3 mm.

[0189] Next, Figure 12 The structure of the patch antenna will be described by way of specific examples.

[0190] Figure 12 For a schematic side view structure of another patch antenna provided by an embodiment of the present application, please refer to Figure 12 .

[0191] Optionally, the distance between the first metal sheet 221 and the first dielectric surface 211 is in the following range: [1.3 mm - q, 1.3 mm + q], where q is greater than or equal to 0 and q is less than or equal to a preset value corresponding to the thickness of the dielectric body 21.

[0192] Preferably, the distance between the first metal sheet 221 and the first dielectric surface 211 can be 1.3 mm.

[0193] In Figure 11 and Figure 12In the illustrated embodiment, the fourth dielectric surface 214 has a supporting function for supporting the dielectric body 21; the fifth dielectric surface 215 has a supporting function for supporting the dielectric body 21. In this way, the dielectric body 21 is jointly supported by the fourth dielectric surface 214 and the fifth dielectric surface 215, improving the structural stability. At the same time, by setting the distance between the first metal sheet 221 and the first dielectric surface 211, the mutual interference of electromagnetic waves can be effectively reduced, improving the radiation efficiency and signal transmission quality of the patch antenna 20, so as to adapt to different devices.

[0194] Next, in combination with Figures 13 - 17 , specific examples are used to illustrate the effects of the patch antenna according to the embodiments of the present application.

[0195] Figure 13 The curve graph of the return loss measured when the patch antenna 20 is mounted on the first PCB module is shown. It can be seen that when the frequency is in the range of 3.3G - 7.13GHz, the return loss of the patch antenna 20 is basically less than -5dB. Among them, the size of the first PCB module is: 50 mm in length, 40 mm in width, and 0.6 mm in thickness. The floor size of the first PCB module is 50 mm in length, 30 mm in width, and 0.02 mm in thickness, and the antenna clearance is 10 mm.

[0196] Figure 14 The curve graph of the antenna efficiency measured when the patch antenna 20 is mounted on the first PCB module is shown. It can be seen that when the frequency is in the range of 3.3G - 7.13GHz, the efficiency of the patch antenna 20 is greater than -2dB.

[0197] Figure 15 The curve graph of the return loss measured when the patch antenna 20 is mounted on the second PCB module is shown. It can be seen that when the frequency is in the range of 3.3G - 7.13GHz, the return loss of the patch antenna 20 is basically less than -5dB. Among them, the size of the second PCB module is: 50 mm in length, 40 mm in width, and 0.6 mm in thickness. The floor size of the second PCB module is 50 mm in length, 30 mm in width, and 0.02 mm in thickness, and the antenna clearance is 10 mm.

[0198] Figure 16 The curve graph of the return loss measured when the patch antenna 20 is mounted on the third PCB module is shown. It can be seen that when the frequency is in the range of 3.3G - 7.13GHz, the return loss of the patch antenna 20 is basically less than -5dB. Among them, the size of the third PCB module is: 150 mm in length, 140 mm in width, and 0.6 mm in thickness. The floor size is changed to 150 mm in length, 130 mm in width, and 0.02 mm in thickness, and the antenna clearance is 10 mm.

[0199] Figure 17The curve graph of the return loss measured when the patch antenna 20 is mounted on the fourth PCB module. It can be seen that when the frequency is between 3.3G - 7.13GHz, the return loss of the patch antenna 20 is basically less than -5dB. Among them, the size of the fourth PCB module is: 200 mm in length, 110 mm in width, and 0.6 mm in thickness. The size of the ground plane is changed to 200 mm in length, 180 mm in width, and 0.02 mm in thickness, and the antenna clearance is 10 mm.

[0200] According to Figure 13 , Figure 15 , Figure 16 and Figure 17 's test results, it can be seen that on PCB modules of different sizes (i.e., different devices), the return loss of the patch antenna 20 is less than -5 within the frequency range of 3.3G - 7.125GHz, and it can be used as an antenna for mobile terminal products of various sizes.

[0201] The embodiment of the present application also provides a PCB module, and this PCB module includes the antenna in the above embodiment.

[0202] The embodiment of the present application also provides an electronic device, which may include the PCB module of the above embodiment.

[0203] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A patch antenna, characterized in that, Comprising: A dielectric body, a radiator, and a fixing component, wherein, The radiator includes a first metal sheet, a second metal sheet, a side metal sheet, and a feeding metal sheet that are connected in sequence; The feeding metal sheet is disposed on a first dielectric surface of the dielectric body, the side metal sheet is disposed on a second dielectric surface of the dielectric body, the first dielectric surface is the bottom surface of the dielectric body, the second dielectric surface is the side surface of the dielectric body, and the first dielectric surface is adjacent to the second dielectric surface; The first metal sheet and the second metal sheet are disposed on a third dielectric surface of the dielectric body, and the third dielectric surface is the top surface of the dielectric body.

2. The antenna according to claim 1, wherein The distance between a first median line of the feeding metal sheet and a second median line of the first dielectric surface is less than or equal to a first preset distance, the first median line is the median line of the feeding metal sheet along the length direction, and the second median line has the same direction as the first median line; The distance between a third median line of the side metal sheet and a fourth median line of the second dielectric surface is less than or equal to a second preset distance, and the third median line and the fourth median line are median lines along the height direction of the dielectric body.

3. The antenna according to claim 1 or 2, wherein The first median line of the feeding metal sheet coincides with the second median line of the first dielectric surface; The third median line of the side metal sheet coincides with the fourth median line of the second dielectric surface.

4. The antenna according to claims 1-3, characterized in that, The width of the feeding metal sheet, the width of the side metal sheet, and the length of the second metal sheet are the same.

5. The antenna according to any one of claims 1-4, characterized in that, The thickness of the feeding metal sheet, the thickness of the side metal sheet, the thickness of the second metal sheet, and the thickness of the first metal sheet are the same.

6. The antenna according to any one of claims 1-5, wherein The length of the first metal sheet is in the following range: [7.5 mm - a, 7.5 mm + a], where a is greater than or equal to 0 and a is less than or equal to a preset value corresponding to the length of the first metal sheet; The width of the first metal sheet is in the following range: [6.5 mm - b, 6.5 mm + b], where b is greater than or equal to 0 and b is less than or equal to a preset value corresponding to the width of the first metal sheet; The thickness of the first metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to a preset value corresponding to the thickness of the first metal sheet.

7. The antenna according to any one of claims 1-6, wherein The length of the second metal sheet is in the following range: [1 mm - d, 1 mm + d], where d is greater than or equal to 0 and d is less than or equal to a preset value corresponding to the length of the second metal sheet; The width of the second metal sheet is in the following range: [0.25 mm - e, 0.25 mm + e], where e is greater than or equal to 0 and e is less than or equal to a preset value corresponding to the width of the second metal sheet; The thickness of the second metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to a preset value corresponding to the thickness of the second metal sheet.

8. The antenna according to any one of claims 1 - 7, characterized in that The length of the side metal sheet is in the following range: [1.32 mm - f, 1.32 mm + f], where f is greater than or equal to 0 and f is less than or equal to a preset value corresponding to the length of the side metal sheet; The width of the side metal sheet is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and e is less than or equal to a preset value corresponding to the width of the side metal sheet; The thickness of the side metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to a preset value corresponding to the thickness of the side metal sheet.

9. The antenna according to any one of claims 1 - 8, characterized in that The length of the feeding metal sheet is in the following range: [2 mm - g, 2 mm + g], where g is greater than or equal to 0 and g is less than or equal to a preset value corresponding to the length of the feeding metal sheet; The width of the feeding metal sheet is in the following range: [1 mm - e, 1 mm + e], where e is greater than or equal to 0 and e is less than or equal to a preset value corresponding to the width of the feeding metal sheet; The thickness of the feeding metal sheet is in the following range: [0.01 mm - c, 0.01 mm + c], where c is greater than or equal to 0 and c is less than or equal to a preset value corresponding to the thickness of the feeding metal sheet.

10. The antenna according to any one of claims 1 - 9, characterized in that The length of the dielectric body is in the following range: [8 mm - h, 8 mm + h], where h is greater than or equal to 0 and h is less than or equal to a preset value corresponding to the length of the dielectric body; The width of the dielectric body is in the following range: [7 mm - i, 7 mm + i], where i is greater than or equal to 0 and i is less than or equal to a preset value corresponding to the width of the dielectric body; The thickness of the dielectric body is in the following range: [1.5 mm - j, 1.5 mm + j], where j is greater than or equal to 0 and j is less than or equal to a preset value corresponding to the thickness of the dielectric body.

11. The antenna according to any one of claims 1 - 10, characterized in that The fixing assembly includes a first fixing assembly and a second fixing assembly; The first fixing assembly and the second fixing assembly are respectively located outside the first dielectric surface of the dielectric body; The number of the first fixing assemblies is 4, and a vertex of any one of the first fixing assemblies coincides with a vertex of the first dielectric surface of the dielectric body; The number of the second fixing assemblies is 1, a wide side of the second fixing assembly coincides with the wide side of the first dielectric surface, and the fifth median line of the second fixing assembly coincides with the second median line of the first dielectric surface, and the fifth median line is the median line of the second fixing assembly along the length direction.

12. The antenna according to any one of claims 1-11, wherein the length of the first fixing component is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the first fixing component; the width of the first fixing component is in the following range: [1.5 mm - m, 1.5 mm + m], where m is greater than or equal to 0 and m is less than or equal to the preset value corresponding to the width of the first fixing component; the thickness of the first fixing component is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the first fixing component.

13. The antenna according to any one of claims 1-12, wherein the length of the second fixing component is in the following range: [2 mm - k, 2 mm + k], where k is greater than or equal to 0 and k is less than or equal to the preset value corresponding to the length of the second fixing component; the width of the second fixing component is in the following range: [1 mm - p, 1 mm + p], where p is greater than or equal to 0 and p is less than or equal to the preset value corresponding to the width of the second fixing component; the thickness of the second fixing component is in the following range: [0.01 mm - n, 0.01 mm + n], where n is greater than or equal to 0 and n is less than or equal to the preset value corresponding to the thickness of the second fixing component; the distance between the long side of the second fixing component and the fourth and fifth dielectric surfaces of the dielectric body is in the following range: [3 mm - l, 3 mm + l], where l is greater than or equal to 0 and l is less than or equal to the preset value corresponding to the width of the dielectric body.

14. The antenna according to any one of claims 1-13, wherein the distance between the sixth median line of the first metal sheet and the eighth median line of the third dielectric surface is less than or equal to a third preset distance, the sixth median line is the median line of the first metal sheet along the length direction, and the eighth median line has the same direction as the second median line; the distance between the first metal sheet and the first dielectric surface is in the following range: [1.3 mm - q, 1.3 mm + q], where q is greater than or equal to 0 and q is less than or equal to the preset value corresponding to the thickness of the dielectric body; the distances between the first metal sheet and the side surfaces of the dielectric body are in the following range: [0.25 mm - r, 0.25 mm + r], where r is greater than or equal to 0 and r is less than or equal to the preset value corresponding to the width of the dielectric body.

15. The antenna according to any one of claims 1-14, wherein the distance between the seventh median line of the second metal sheet and the eighth median line is less than or equal to a fourth preset distance, the seventh median line is the median line of the second metal sheet along the width direction; The distance between the wide side of the second metal sheet and the fourth dielectric surface and the fifth dielectric surface is in the following range: [3 mm - s, 3 mm + s], where s is greater than or equal to 0 and s is less than or equal to a preset value corresponding to the width of the dielectric body.

16. A PCB module, characterized in that, The PCB module includes the antenna according to any one of claims 1-15.

17. An electronic device, characterized in that, The electronic device includes the PCB module according to claim 16.

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