5G communication and dual-band WIFI integrated PCB board antenna and wireless terminal equipment

Abstract

The present application relates to a 5G communication and dual-band WIFI integrated PCB board antenna and wireless terminal equipment, and relates to the field of communication technology. The antenna includes a PCB board, a WIFI antenna and a 5G antenna. The WIFI antenna includes a feeding unit and a grounding unit; the feeding unit is connected to a first feeding port, and the grounding unit is connected to a first grounding connection part; the 5G antenna includes a first radiating arm, a second radiating arm and a central feeder; the end of the central feeder away from the second radiating arm is connected to the second feeding port, and the second grounding connection part is connected between the two first radiating arms; the wireless terminal equipment includes a router and an antenna arranged on the router; a dust removal component is arranged on the router, and the dust removal component includes a motor and a rotating rod; connecting rods are symmetrically arranged on both sides of the rotating rod; a baffle is fixedly arranged on the end of the connecting rod away from the rotating rod; a blade is fixedly arranged on the rotating rod; the application has the advantage of integrating the 5G communication antenna with the WiFi communication antenna to reduce the volume of the antenna.

Description

Technical Field

[0001] The present application relates to the field of antenna technology, and in particular to a 5G communication and dual-band WIFI integrated PCB board antenna and wireless terminal equipment. Background Art

[0002] In the era of mobile Internet, data communication is becoming more and more ubiquitous and more and more important. The demand for mobile broadband in the entire industry is also increasing. From data transmission to image transmission, to real-time video transmission, the demand for mobile broadband based on wireless networks has never stopped. With the advent of the big data era, 4G broadband, whether in terms of network speed or the infrastructure implemented by the operator's core network, cannot meet the needs of new business forms and new content. The needs of virtual reality, holographic imaging, and ubiquitous Internet of Things require not only mobile broadband speed, but also real-time performance and the processing capabilities of base stations for massive terminals.

[0003] Almost all current routers are designed based on independent network modules and architectures of 5G and dual-band WIFI, which can only meet some of the current business needs, but cannot meet the business needs after the integration of 5G and dual-band WIFI. Summary of the invention

[0004] In order to improve the above problems, the present application provides a 5G communication and dual-band WIFI integrated PCB board antenna and wireless terminal device.

[0005] In the first aspect, the present application provides a 5G communication and dual-band WIFI integrated PCB board antenna, which adopts the following technical solution:

[0006] A 5G communication and dual-band WIFI integrated PCB board antenna, comprising a PCB board, a WIFI antenna and a 5G antenna, wherein the WIFI antenna comprises a feeding unit and a grounding unit, wherein the feeding unit and the grounding unit are located on two opposite side planes of the PCB board, and the feeding unit and the grounding unit do not overlap in area on the PCB board; the feeding unit is connected to a first feeding port, and the grounding unit is connected to a first grounding connection portion; the first feeding port and the first grounding connection portion are used to connect a WIFI radio frequency cable;

[0007] The 5G antenna includes a first radiating arm, a second radiating arm and a central feeder, the second radiating arm is connected to the central feeder and is axially symmetrically arranged, there are two first radiating arms and they are symmetrically distributed on both sides of the central feeder; the end of the central feeder away from the second radiating arm is connected to a second feeding port, a second grounding connection part is connected between the two first radiating arms, and the second feeding port and the second grounding connection part are used to connect the 5G RF cable.

[0008] Preferably, the first ground connection portion and the first feeding port are located on the same layer of the PCB board; preferably, a connection hole is provided on the PCB board, and the connection hole is used for a conductor to connect the first ground connection portion and the grounding unit.

[0009] Preferably, the 5G antenna and the grounding unit are located on the same layer of the PCB board;

[0010] Or the 5G antenna and the feeding unit are located on the same layer of the PCB board.

[0011] Preferably, the feeding unit comprises:

[0012] A feeding microstrip, wherein the length direction of the feeding microstrip is consistent with that of the central feed line; the first feeding port is connected to the feeding microstrip;

[0013] A long feed branch connected to the feed microstrip, wherein there are two long feed branches and the two branches are symmetrically distributed along the center line of the feed microstrip;

[0014] A feeding short branch section connected to the feeding microstrip, wherein there are two feeding short branches and the two feeding short branches are symmetrically distributed along the center line of the feeding microstrip;

[0015] The two short feeding branches are located outside the two long feeding branches.

[0016] Preferably, the feeding microstrip is composed of a feeding broadband and a feeding narrowband connected in a straight line, the feeding long branch section and the feeding short branch section are connected to one end of the feeding broadband, and the feeding narrowband is connected to the other end of the feeding broadband.

[0017] Preferably, the grounding unit comprises:

[0018] A grounding strip, the grounding strip is arranged parallel to the feeding microstrip; the first grounding connection portion is connected to the grounding strip; a long grounding branch node is connected to the grounding strip, there are two long grounding branches and they are symmetrically distributed along the center line of the grounding strip; a short grounding branch node is connected to the grounding strip, there are two short grounding branches and they are symmetrically distributed along the center line of the grounding strip; the two short grounding branches are located on the outside of the two long grounding branches.

[0019] Preferably, the first radiating arm consists of a wide radiating arm and a narrow radiating arm, the wide radiating arm and the narrow radiating arm are arranged side by side and connected as a whole at one end, and the narrow radiating arm is arranged close to the central feeder.

[0020] Preferably, a groove is formed on a side of the radiating wide arm close to the radiating narrow arm and is concave inwardly in a direction away from the central feeder line.

[0021] Preferably, a corner of the groove is provided with an inclined surface;

[0022] Preferably, the inclined surface forms an angle of 45° with the center line of the center feeder.

[0023] In a second aspect, the present application provides a wireless terminal device, which adopts the following technical solution:

[0024] A wireless terminal device comprises a router and an antenna arranged on the router.

[0025] Preferably, the router is arranged horizontally, and a dust removal assembly is arranged on the router, the dust removal assembly comprises a motor and a rotating rod, the motor is located above the router and is fixedly connected to the router; the rotating rod is located above the router, the rotating rod is coaxially arranged with the motor output shaft and is fixedly connected with the motor output shaft; connecting rods are symmetrically arranged on both sides of the rotating rod, the length direction of the connecting rod is perpendicular to the length direction of the rotating rod, the connecting rod is slidably connected with the rotating rod around the circumference of the rotating rod, and is dampingly connected with the rotating rod; a baffle is fixedly arranged at one end of the connecting rod away from the rotating rod, and the baffle and the connecting rod are located in the same plane; a blade is fixedly arranged on the rotating rod, the blade is made of elastic material, the blade can abut against the surface of the router, and the blade can abut against the top surface or bottom surface of the baffle.

[0026] By adopting the above technical solution, when cooling and dusting the router, the motor is started, the motor output shaft drives the rotating rod to rotate, and the connecting rod is dampingly connected to the rotating rod, so that the rotating rod can drive the blades, the connecting rod, and the baffle to rotate; when the baffle abuts against the top surface of the router, the baffle is in a fixed position under the support of the router, and at this time, the blades made of elastic material continue to rotate under the drive of the motor output shaft, so that the blades complete the cleaning of the router during the rotation process; and the blades can drive air flow during the rotation process, thereby improving the cooling efficiency of the router, and during the cleaning process of the blades, the inclined baffle can provide a stable discharge direction for the discharge of dust, thereby preventing the dust from being scattered in the outside during the cleaning process, thereby further improving the cleaning effect of the router.

[0027] Preferably, heat sinks are vertically arranged at both ends of the rotating rod, the rotating rod is inserted through the heat sink, and the rotating rod is rotatably connected to the heat sink around its own axis; the heat sink is fixedly connected to the two baffles, and the side of the heat sink close to the rotating rod is always in contact with the router.

[0028] By adopting the above technical solution, the heat sink can promote the heat loss of the router itself, thereby improving the cooling efficiency of the router. At the same time, the vertically arranged heat sink can further guide the discharge of dust on the router, preventing dust from falling from both ends of the rotating rod to the outside, thereby further improving the cleaning effect of the router.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. By setting up a PCB board, a WIFI antenna and a 5G antenna, the 5G communication antenna is integrated with the WiFi communication antenna, thereby reducing the antenna volume;

[0031] 2. By setting up the dust removal component, the blades can drive air flow during the rotation process, thereby improving the cooling efficiency of the router. In addition, during the cleaning process of the blades, the inclined baffle can provide a stable discharge direction for the dust to be discharged, preventing the dust from being scattered in the outside during the cleaning process, thereby further improving the cleaning effect of the router;

[0032] 3. By setting up a heat sink, the heat sink can promote the heat loss of the router itself. At the same time, the vertically set heat sink can further guide the discharge of dust on the router, preventing dust from falling from both ends of the rotating rod to the outside, thereby further improving the cleaning effect of the router. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 This is a structural diagram of a 5G communication and dual-band WIFI integrated PCB board antenna in an embodiment of the present application;

[0034] Figure 2 for Figure 1 A structural diagram from another perspective;

[0035] Figure 3 This is a schematic diagram of the structure of the WIFI antenna on one side of the PCB board in the embodiment of the present application;

[0036] Figure 4 This is a schematic diagram of the structure of the WIFI antenna and the 5G antenna on the other side of the PCB board in an embodiment of the present application;

[0037] Figure 5 This is a test gain diagram of different frequencies of the 5G antenna in the embodiment of the present application;

[0038] Figure 6 This is a test efficiency diagram of 5G antenna at different frequencies in an embodiment of the present application;

[0039] Figure 7 It is the horizontal plane radiation pattern of the 5G antenna in the embodiment of the present application at a frequency of 700 MHz;

[0040] Figure 8 This is the horizontal plane radiation pattern of the 5G antenna at the 710 MHz frequency in the embodiment of the present application;

[0041] Fig. 9 This is the horizontal plane radiation pattern of the 5G antenna in the embodiment of the present application at a frequency of 1710 MHz;

[0042] Fig.10 It is the horizontal plane radiation pattern of the 5G antenna at the frequency of 1750MHz in the embodiment of the present application;

[0043] Fig.11 It is the horizontal plane radiation pattern of the 5G antenna in the embodiment of the present application at the frequency of 4400 MHz;

[0044] Fig.12 It is the horizontal plane radiation pattern of the 5G antenna at the frequency of 4420MHz in the embodiment of the present application;

[0045] Fig.13 The horizontal plane radiation pattern of the WIFI antenna in the embodiment of the present application at a frequency of 2450MHz;

[0046] Fig.14 This is the horizontal plane radiation pattern of the WIFI antenna at a frequency of 5450 MHz in the embodiment of the present application;

[0047] Fig.15 This is a schematic diagram of the structure of a router in an embodiment of the present application;

[0048] Fig.16 yes Fig.15 A partial enlarged view of point A in the middle.

[0049] Description of reference numerals:

[0050] 1. PCB board; 11. Through hole; 12. Connecting hole;

[0051] 2. WIFI antenna; 21. long feed branch; 22. short feed branch; 23. narrow feed band; 24. wide feed band; 25. first feed port; 26. first ground connection; 27. long ground branch; 28. short ground branch; 29. ​​ground band;

[0052] 3. 5G antenna; 31. first radiation arm; 32. second radiation arm; 33. first center feed line; 34. second center feed line; 35. groove; 36. second feeding port; 37. second ground connection portion;

[0053] 4. WIFI radio frequency cable;

[0054] 5. 5G RF cable;

[0055] 6. Router; 61. Heat sink; 7. Dust removal assembly; 71. Motor; 72. Rotating rod; 721. Slide; 73. Sliding block; 74. Connecting rod; 75. Baffle; 76. Blade. DETAILED DESCRIPTION

[0056] The following is combined with Figure 1-16This application is described in further detail.

[0057] An embodiment of the present application discloses a 5G communication and dual-band WIFI integrated PCB board antenna.

[0058] refer to Figure 1 and Figure 2 A 5G communication and dual-band WIFI integrated PCB board antenna includes a PCB board 1, a WIFI antenna 2 and a 5G antenna 3. The WIFI antenna 2 and the 5G antenna 3 are both arranged on the PCB board 1. A WIFI radio frequency cable 4 connected to the WIFI antenna 2 is fixed on one side of the PCB board 1, and a 5G radio frequency cable 5 connected to the 5G antenna 3 is fixed on the other side of the PCB board 1. By integrating the 5G antenna 3 and the WIFI antenna 2 on the same PCB board 1, the isolation is good while the volume is reduced, meeting the need to use the two antennas at the same time.

[0059] Reference Figure 3 , a through hole 11 is provided at one end of the PCB board 1 for installing the PCB board antenna. The PCB board 1 is in the shape of a rectangular plate as a whole, and one end of the PCB board 1 along the length direction is arc-shaped. The length of the PCB board 1 is 164mm, the width is 14.9mm, and the thickness is 0.6mm. The PCB board 1 can be a two-layer board, a four-layer board, a six-layer board or an eight-layer board, preferably a four-layer board.

[0060] refer to Figure 3 and Figure 4 The WIFI antenna 2 is disposed at one end of the PCB board 1 away from the through hole 11 . The WIFI antenna 2 includes a feeding unit and a grounding unit. The feeding unit and the grounding unit are located on different layers of the PCB board 1 .

[0061] The feeding unit includes a feeding microstrip and a long feeding branch 21 and a short feeding branch 22 symmetrically distributed on both sides of the feeding microstrip. The feeding microstrip is arranged along the center line of the length direction of the PCB board 1, and the two long feeding branches 21 are located inside the two short feeding branches 22. The short feeding branch 22 is arranged along the edge of the PCB board 1, and the middle part of the long feeding branch 21 is bent toward the edge of the PCB board 1 so that the end away from the through hole 11 is arranged along the edge of the PCB board 1. The length of the feeding microstrip is greater than the length of the short feeding branch 22 but slightly less than the length of the long feeding branch 21.

[0062] The feeding microstrip is composed of a feeding narrowband 23 and a feeding broadband 24. Preferably, the width of the feeding narrowband 23 is 0.6mm, and the width of the feeding broadband 24 is 3mm. The widths of the long feeding section 21 and the short feeding section 22 are both 1mm, the length of the long feeding section 21 is 23.8mm, the length of the short feeding section is 10.5mm, the spacing between the short feeding section 22 and the long feeding section 21 along the width direction of the PCB board 1 is 0.85mm, and the spacing between the short feeding section 22 and the bending point of the long feeding section 21 is 2.1mm. The spacing between one end of the long feeding section 21 and the feeding broadband 24 is 2.8mm, and the spacing between the other end of the long feeding section 21 and the feeding narrowband 23 is 5.95mm. The length of the feeding unit is 23.8mm, and the end of the long feeding section 21 is 2mm away from the end of the PCB board 1. The length values ​​of the above dimensions can be adjusted within a certain range as needed based on the preferred points, and the adjustment range is ±2mm.

[0063] A first feeding port 25 is connected to one end of the feeding narrow band 23 away from the through hole 11, and a through connection hole 12 is also provided on the PCB board 1 near the first feeding port 25. A first grounding connection portion 26 is formed in the surrounding area of ​​the connection hole 12. The first grounding connection portion 26 is connected to the grounding unit through a line passing through the connection hole 12, so that the WIFI radio frequency cable 4 is connected to the WIFI antenna 2 on the same surface. The block area of ​​the first grounding connection portion 26 is larger than the block area of ​​the first feeding port 25.

[0064] refer to Figure 4 The grounding unit includes a grounding strip 29, a long grounding branch 27 and a short grounding branch 28. The grounding strip 29 is arranged along the center line of the length direction of the PCB board 1. The long grounding branch 27 and the short grounding branch 28 are symmetrically distributed on both sides of the length center line of the PCB board 1. The two long grounding branches 27 are located on the inner side of the two short grounding branches 28. The short grounding branch 28 is located at the edge of the PCB board 1 and arranged along the length direction of the PCB board 1. The middle part of the long grounding branch 27 is bent toward the edge of the PCB board 1 so that the end close to the through hole 11 is arranged along the edge of the PCB board 1. The extension direction of the long grounding branch 27 and the short grounding branch 28 is opposite to that of the grounding strip 29. The block B formed by the long grounding branch 27 and the short grounding branch 28, the block a formed by the long feeding branch 21 and the short feeding branch 22, the length of the grounding strip 29 is greater than the length of the entire feeding unit, so that the block a does not overlap with the block B. One end of the grounding strap 29 away from the through hole 11 is connected to the first grounding connection portion 26 via a conductor passing through the connection hole 12 .

[0065] Preferably, the length of the grounding strip 29 is 26.5 mm and the width is 3 mm. The width of the long grounding branch 27 and the short grounding branch 28 are both 1 mm, the length of the long grounding branch 27 is 19.3 mm, and the length of the short grounding branch 28 is 10.6 mm. The spacing between the short grounding branch 28 and the long grounding branch 27 along the width direction of the PCB board 1 is 0.95 mm, and the spacing between the short grounding branch 28 and the long grounding branch 27 at the bend is 2.4 mm. The spacing between the two long grounding branches 27 close to one end of the grounding strip 29 is 8 mm, and the spacing between the two long grounding branches 27 away from one end of the grounding strip 29 is 12.5 mm. The length values ​​of the above dimensions can be adjusted within a certain range as needed based on the preferred points, and the adjustment range is ±2 mm.

[0066] In other implementations of the embodiments of the present application, the extension direction of the long grounding branch section 27 and the short grounding branch section 28 of the grounding unit and the extension direction of the long feeding branch section 21 and the short feeding branch section 22 of the feeding unit can be replaced.

[0067] refer to Figure 4 , the 5G antenna 3 and the grounding unit are distributed on the same layer of the PCB board 1, the 5G antenna 3 includes a first radiating arm 31, a second radiating arm 32 and a central feeder, the second radiating arm 32 is located at one end of the PCB board 1 with a through hole 11, the central feeder is arranged along the length center line of the PCB board 1, one end of the central feeder is connected to the second radiating arm 32, and the other end of the central feeder extends in a direction away from the through hole 11; there are two first radiating arms 31 and they are symmetrically distributed on both sides of the central feeder. The second radiating arm 32 is arranged axially symmetrically along the length center line of the PCB board 1.

[0068] In other implementations of the embodiments of the present application, the 5G antenna 3 may also be distributed on the same surface of the PCB board 1 as the feeding unit.

[0069] The second radiating arm 32 is composed of a rectangular block, a trapezoidal block and a semicircular block connected in sequence, the chord side of the semicircular block is collinear with the long bottom side of the trapezoidal block and connected to the contour edge of the PCB board 1, and the length of the rectangular block is shorter than the short bottom side of the trapezoidal block. Preferably, the distance between the long bottom side and the short bottom side of the trapezoidal block is 18.88 mm, and the distance between the end of the short bottom side of the terrain block and the side edge of the PCB board 1 is 1.85 mm.

[0070] The center feeder is composed of a first center feeder 33 and a second center feeder 34. One end of the first center feeder 33 is connected to the second radiation arm 32, and the other end of the first center feeder 33 is connected to the second center feeder 34. The widths of the first center feeder 33 and the second center feeder 34 can be the same. Preferably, the width of the second center feeder 34 gradually increases from the end close to the first center feeder 33 to the end away from the first center feeder 33. Preferably, the length of the first center feeder 33 is 9.8mm and the width is 1.6mm; the length of the second center feeder is 57.05mm, the width of one end of the second center feeder 34 is 0.5mm, and the width of the other end of the second center feeder 34 is 2.4mm. The length values ​​of the above dimensions can be adjusted within a certain range as needed based on the preferred point, and the adjustment range is ±2mm.

[0071] The first radiating arm 31 includes a radiating wide arm and a radiating narrow arm arranged side by side, and the radiating wide arm and the radiating narrow arm are connected together at one end close to the through hole 11 to form a connection end. The length of the radiating wide arm is greater than the length of the radiating narrow arm. The radiating narrow arm is arranged close to the length center line of the PCB board 1, and the spacing between the two first radiating arms 31 and the radiating narrow arms is 3 mm, and the second center feeder 34 is located in the area between the two radiating narrow arms.

[0072] The wide radiation arm is close to the connection end and is located on one side of the narrow radiation arm to form a groove 35, so as to further prevent the wide radiation arm and the narrow radiation arm from being connected together during printing. Preferably, the corner of the groove 35 away from the connection end is inclined at 45°, so as to reduce reflection and be more conducive to radiation.

[0073] Preferably, the length of the first radiation arm 31 is 68.5 mm, the width is 5.75 mm, and the width of the radiation narrow arm is 1 mm. The length of the groove 35 is 21.4 mm, and the width of the groove 35 is 2.35 mm. The distance between the radiation wide arm and the radiation narrow arm in the area corresponding to the non-groove 35 is 0.3 mm. The length values ​​of the above dimensions can be adjusted within a certain range as needed based on the preferred point, and the adjustment range is ±2 mm.

[0074] A second feeding port 36 is provided at the end of the second center feed line 34 away from the through hole 11, and a second grounding connection portion 37 is connected between the ends of the two radiating narrow arms away from the through hole 11. The 5G RF cable 5 is connected to the 5G antenna 3 through the second feeding port 36 and the second grounding connection portion 37.

[0075] The following is a further description of the technical effects of the present invention in combination with actual application tests:

[0076] Test environment: CTIA 743 darkroom, 8960 / 5515C, the mobile phone with the antenna is placed with its back facing away from the standard horn antenna on a turntable 4 meters away.

[0077] The efficiency gain test data of 5G antenna is shown in Table 1.

[0078] Table 1 5G antenna efficiency gain test data table

[0079]

[0080]

[0081] The efficiency gain test data of the WIFI antenna is shown in Table 2.

[0082] Table 2 WIFI antenna efficiency gain test data table

[0083]

[0084] Combining Table 1 and Figure 5-12 Analyze and combine Table 2 and Fig.13 and Fig.14 Analysis shows that the integrated PCB antenna has obvious gain and efficiency improvement in 5G communication and WIFI states. The 5G antenna has better performance in 699MHz-960MHz, 1.4GHz-2.7GHz, 3.3GHz-4.2GHz and 4.4GHz-5GHz; the WIFI antenna has excellent performance in 2.4GHz-2.5GHz and 5.18GHz-5.825GHz.

[0085] The embodiment of the present application also discloses a wireless terminal device.

[0086] Reference Fig.15 and Fig.16 The wireless terminal device includes a router 6 and the above-mentioned antenna, and the antenna is arranged on the router 6; the router 6 is arranged horizontally, and a dust removal component 7 is arranged on the router 6, and the dust removal component 7 is used to clean the dust on the router 6 and to cool the router 6.

[0087] Reference Fig.15 and Fig.16The cross section of the router 6 is rectangular, and the dust removal assembly 7 includes a motor 71 and a rotating rod 72. The motor 71 is fixedly arranged above the router 6; the rotating rod 72 is horizontally arranged above the router 6, the length direction of the rotating rod 72 is the same as the width direction of the router 6, and the rotating rod 72 is located at the length center of the router 6, the rotating rod 72 is coaxially arranged with the output shaft of the motor 71, and is fixedly connected with the output shaft of the motor 71; the rotating rod 72 is provided with a slide groove 721 around its own circumference, and two sliders 73 are embedded in the slide groove 721, and the slider 73 is slidably arranged in the slide groove 721 along the length direction of the slide groove 721; connecting rods 74 are symmetrically arranged on both sides of the rotating rod 72, the connecting rods 74 correspond to the sliders 73 one by one, the length direction of the connecting rod 74 is perpendicular to the length direction of the rotating rod 72, and one end of the connecting rod 74 close to the rotating rod 72 is fixedly connected to the corresponding slider 73; one end of the connecting rod 74 away from the rotating rod 72 is fixedly connected to a baffle 75, and the baffle 75 and the connecting rod 74 are located in the same plane.

[0088] Reference Fig.15 and Fig.16 , blades 76 are symmetrically arranged on both sides of the rotating rod 72, and the blades 76 are made of elastic material. A plurality of blades 76 are arranged along the length direction of the rotating rod 72, and the blades 76 are in the shape of long strips, and the length direction of the blades 76 is perpendicular to the length direction of the rotating rod 72. The end of the blade 76 on one side of the rotating rod 72 away from the rotating rod 72 is located above the baffle 75, and the end of the blade 76 on the other side of the rotating rod 72 away from the rotating rod 72 is located below the baffle 75, and the ends of the blades 76 away from the rotating rod 72 are both in contact with the baffle 75, and the blades 76 are fixedly connected to the rotating rod 72; heat sinks 61 are vertically arranged at both ends of the rotating rod 72, and the rotating rod 72 is simultaneously penetrated on the two heat sinks 61 and is rotatably connected to the heat sinks 61 around its own axis, and the heat sinks 61 are fixedly connected to the two baffles 75, and the sides of the two heat sinks 61 close to each other are both in contact with one side of the length direction of the router 6.

[0089] The implementation principle of a wireless terminal device in the embodiment of the present application is as follows: when cooling and dusting the router 6, the motor 71 is started, and the output shaft of the motor 71 drives the rotating rod 72 to rotate, and the connecting rod 74 is dampedly connected to the rotating rod 72, so that the rotating rod 72 can drive the blade 76, the connecting rod 74, and the baffle 75 to rotate; when the baffle 75 is away from the rotating rod 72 and abuts against the top surface of the router 6, the baffle 75 is in a fixed position under the support of the router 6, and the heat sink 61 is also in a fixed position. At this time, the blade 76 made of elastic material continues to rotate under the drive of the output shaft of the motor 71, so that the blade 76 completes the cleaning of the router 6 during the rotation process; and during the cleaning process of the blade 76, the inclined baffle 75 can provide a stable discharge direction for the discharge of dust, and the heat sink 61 vertically arranged and fixed in position can further guide the discharge of dust on the router 6, preventing dust from falling from both ends of the rotating rod 72 to the outside, thereby improving the cleaning effect of the router 6; at the same time, the blade 76 can drive air flow during the rotation process, thereby improving the cooling efficiency of the router 6.

[0090] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A wireless terminal device, Features: The invention comprises a router (6) and an antenna arranged on the router (6); the router (6) is arranged horizontally, a dust removal assembly (7) is arranged on the router (6), the dust removal assembly (7) comprises a motor (71) and a rotating rod (72), the motor (71) is located above the router (6) and is fixedly connected to the router (6); the rotating rod (72) is located above the router (6), the rotating rod (72) is coaxially arranged with an output shaft of the motor (71) and is fixedly connected to the output shaft of the motor (71); connecting rods (74) are symmetrically arranged on both sides of the rotating rod (72), and the connecting rods (74) are The length direction is perpendicular to the length direction of the rotating rod (72); the connecting rod (74) is slidably connected to the rotating rod (72) around the circumference of the rotating rod (72) and is dampingly connected to the rotating rod (72); a baffle (75) is fixedly provided at one end of the connecting rod (74) away from the rotating rod (72); the baffle (75) and the connecting rod (74) are located in the same plane; a blade (76) is fixedly provided on the rotating rod (72); the blade (76) is made of elastic material, the blade (76) can abut against the surface of the router (6), and the blade (76) can abut against the top surface or bottom surface of the baffle (75); Both ends of the rotating rod (72) are vertically provided with heat dissipation plates (61), the rotating rod (72) is inserted into the heat dissipation plates (61), and the rotating rod (72) is rotatably connected to the heat dissipation plates (61) around its own axis; the heat dissipation plates (61) are fixedly connected to the two baffles (75), and the side of the heat dissipation plates (61) close to the rotating rod (72) is always in contact with the router (6).

2. A wireless terminal device according to claim 1, Features: The antenna comprises a PCB board, a WIFI antenna and a 5G antenna, and is characterized in that: the WIFI antenna comprises a feeding unit and a grounding unit, the feeding unit and the grounding unit are located on two opposite side planes of the PCB board, and the feeding unit and the grounding unit do not overlap in area on the PCB board; the feeding unit is connected to a first feeding port (25), and the grounding unit is connected to a first grounding connection portion (26); the first feeding port (25) and the first grounding connection portion (26) are used to connect a WIFI radio frequency cable; The 5G antenna comprises a first radiating arm (31), a second radiating arm (32) and a central feeder, wherein the second radiating arm (32) is connected to the central feeder and is axially symmetrically arranged, and the first radiating arm (31) has two symmetrically distributed on both sides of the central feeder; an end of the central feeder away from the second radiating arm (32) is connected to a second feeding port (36), a second grounding connection portion (37) is connected between the two first radiating arms (31), and the second feeding port (36) and the second grounding connection portion (37) are used to connect a 5G radio frequency cable; The feeding unit comprises: A feeding microstrip, wherein the length direction of the feeding microstrip is consistent with that of the central feed line; the first feeding port (25) is connected to the feeding microstrip; A long feeding branch (21) connected to the feeding microstrip, wherein there are two long feeding branches (21) and they are symmetrically distributed along the center line of the feeding microstrip; A feeding short branch section (22) connected to the feeding microstrip, wherein there are two feeding short branch sections (22) and they are symmetrically distributed along the center line of the feeding microstrip; The two short feeding branches (22) are located outside the two long feeding branches (21); The grounding unit comprises: A grounding strip (29), the grounding strip (29) being arranged in parallel with the feeding microstrip; the first grounding connection portion (26) being connected to the grounding strip (29); A long grounding branch (27) connected to the grounding strip (29), wherein there are two long grounding branches (27) which are symmetrically distributed along the center line of the grounding strip (29); A grounding short branch section (28) connected to the grounding strip (29), wherein there are two grounding short branch sections (28) which are symmetrically distributed along the center line of the grounding strip (29); The two short grounding branches (28) are located outside the two long grounding branches (27).

3. A wireless terminal device according to claim 2, Features: The first ground connection portion (26) and the first feeding port (25) are located on the same layer of the PCB board; The PCB board is provided with a connection hole (12), and the connection hole (12) is used to conduct and connect the first ground connection portion (26) and the grounding unit.

4. A wireless terminal device according to claim 2, Features: The 5G antenna and the grounding unit are located on the same layer of the PCB board; Or the 5G antenna and the feeding unit are located on the same layer of the PCB board.

5. A wireless terminal device according to claim 2, Features: The feeding microstrip is composed of a feeding broadband (24) and a feeding narrowband (23) connected in a straight line, the feeding long branch section (21) and the feeding short branch section (22) are connected to one end of the feeding broadband (24), and the feeding narrowband (23) is connected to the other end of the feeding broadband (24).

6. A wireless terminal device according to claim 2, Features: The first radiating arm (31) consists of a wide radiating arm and a narrow radiating arm, the wide radiating arm and the narrow radiating arm are arranged side by side and connected as a whole at one end, and the narrow radiating arm is arranged close to the central feeder.

Images