Customer front-end equipment

Abstract

The invention relates to customer front equipment, which comprises an antenna radio frequency module and a winding mechanism, the antenna radio frequency module can rotate around a first axis, the winding mechanism comprises a wire coil, a power line and a radio frequency line, and the power line and the radio frequency line are both connected with the antenna radio frequency module. The partial structure of the power line and the partial structure of the radio frequency line are reversely wound on the wire coil around the first axis, and when the antenna radio frequency module rotates around the first axis, the torsion direction of the power line to the antenna radio frequency module is opposite to the torsion direction of the radio frequency line to the antenna radio frequency module. According to the client front equipment, the antenna radio frequency module rotates around the first axis to change the signal receiving and transmitting direction, so that the coverage range is enlarged, meanwhile, the torsion direction of the power line to the antenna radio frequency module is opposite to the torsion direction of the radio frequency line to the antenna radio frequency module, and then the two strands of torsion counteract each other; the torsion applied to the antenna radio frequency module when the antenna radio frequency module rotates around the first axis is reduced, and the positioning precision is ensured.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to customer premise equipment. Background Art

[0002] Customer Premise Equipment (CPE) is a mobile signal access device used to receive mobile signals and forward them as wireless WIFI signals. It is also a device that converts 4G or 5G signals into WiFi signals. Customer Premise Equipment is generally placed indoors and can support multiple terminal devices (such as mobile phones, tablets, etc.) to access the network at the same time.

[0003] The antennas of current customer front-end devices are evolving towards high efficiency and high gain. The increase in the gain of the transmitting antenna can increase the energy of the antenna's received and sent signals. For antennas with stable gain, the larger the receiving and sending angles, the more dispersed the energy, which will result in reduced gain in the specified direction. Therefore, in order to make the antenna have a sufficiently large antenna gain in the specified direction, it is necessary to reduce the antenna's receiving and sending angles, which in turn will result in a smaller range that the antenna can cover, and it is easy for the antenna to fail to receive and send signals normally because the antenna is not facing the specified direction. For example, when there is a large height difference between the base station and the customer front-end device, it will not be possible to receive and send signals normally with the base station due to the low coverage range of the antenna. In this regard, the relevant technology usually sets the antenna to be adjustable in direction to increase the coverage range of the antenna so that the antenna can be moved to the specified direction to receive and send signals.

[0004] However, in the related art, when adjusting the direction of the antenna, the antenna is prone to idle rotation during the rotation process, resulting in a problem of reduced positioning accuracy. Summary of the invention

[0005] The present application provides a customer front-end device to solve the technical problem of how to improve coverage while avoiding a decrease in positioning accuracy.

[0006] The present application embodiment provides a customer premises equipment, including:

[0007] The antenna radio frequency module can rotate around the first axis to change the direction of signal transmission and reception;

[0008] A winding mechanism, the winding mechanism includes a wire reel, a power cord and a radio frequency line, the power cord and the radio frequency line are both connected to the antenna radio frequency module, a partial structure of the power cord and a partial structure of the radio frequency line are reversely wound around the first axis on the wire reel, and when the antenna radio frequency module rotates around the first axis, the torque direction of the power cord on the antenna radio frequency module is opposite to the torque direction of the radio frequency line on the antenna radio frequency module.

[0009] In one embodiment, the axis of the wire drum is parallel to or coincides with the first axis.

[0010] In one embodiment, the wire drum has a first winding groove and a second winding groove, the first winding groove and the second winding groove are spaced apart in the axial direction of the wire drum, a part of the structure of the power line is wound around the first winding groove, and a part of the structure of the radio frequency line is wound around the second winding groove.

[0011] In one of the embodiments, it further includes a first rotation driving mechanism, which is connected to the antenna RF module and is used to drive the antenna RF module to rotate around the first axis.

[0012] In one embodiment, the first rotation drive mechanism includes a first mounting frame and a first motor, the antenna RF module is connected to the first mounting frame, and the output shaft of the first motor is connected to the first mounting frame and is used to drive the first mounting frame to rotate around the first axis.

[0013] In one embodiment, the first mounting bracket can reciprocate around the first axis within a range of 0° to 360°.

[0014] In one embodiment, a second rotation drive mechanism is further included, and the antenna RF module is connected to the first mounting frame through the second rotation drive mechanism. The second rotation drive mechanism is used to drive the antenna RF module to rotate around a second axis, and the second axis is perpendicular to the first axis.

[0015] In one embodiment, the antenna RF module can reciprocate around the second axis in the range of -20° to 45°, wherein when the antenna RF module rotates around the second axis to 0°, the direction in which the antenna RF module sends and receives signals is perpendicular to the first axis and the second axis.

[0016] In one embodiment, the second rotation drive mechanism includes a second mounting frame and a second motor, the second mounting frame is rotatably connected to the first mounting frame, the second motor is connected to the second mounting frame and is used to drive the second mounting frame to rotate around the second axis relative to the first mounting frame, and the antenna RF module is connected to the second mounting frame.

[0017] In one of the embodiments, the antenna RF module includes a parabolic reflector and a millimeter wave antenna, wherein the millimeter wave antenna is disposed at a focal position of the parabolic reflector and radiates in a direction toward a reflecting surface of the parabolic reflector.

[0018] In one embodiment, the antenna RF module includes a millimeter wave antenna, a parabolic reflector and a hyperbolic reflector, the hyperbolic reflector is fixed relative to the parabolic reflector, and one focus of the hyperbolic reflector coincides with the focus of the parabolic reflector, the millimeter wave antenna is arranged at the other focus of the hyperbolic reflector, and the radiation direction is toward the reflecting surface of the hyperbolic reflector.

[0019] In one of the embodiments, the millimeter wave antenna is located on the reflecting surface of the parabolic reflector, and the power line and the radio frequency line are both electrically connected to the millimeter wave antenna.

[0020] The customer front-end device in the embodiment of the present application includes an antenna RF module and a winding mechanism. The antenna RF module is rotated around a first axis to change the direction of signal reception and transmission, thereby improving the coverage range. At the same time, the power cord and the RF cord are wound in reverse on the coil, so that when the antenna RF module rotates around the first axis, the torque direction of the power cord on the antenna RF module is opposite to the torque direction of the RF cord on the antenna RF module, and then the two torques cancel each other out to reduce the torque applied to the antenna RF module when it rotates around the first axis, thereby reducing the probability of the antenna RF module idling and causing a decrease in positioning accuracy. Therefore, the customer front-end device of the present application can improve the coverage range while avoiding a decrease in positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 A schematic diagram of a customer premise equipment in a network system architecture according to an implementation method.

[0023] Figure 2 A schematic diagram of the three-dimensional structure of a customer front-end device according to one implementation method.

[0024] Figure 3 A schematic diagram of the internal structure of a customer front-end device according to an implementation method.

[0025] Figure 4 A partial structural diagram of a customer front-end device according to an implementation method.

[0026] Figure 5 for Figure 4 A partial structural diagram of a customer front-end device is shown.

[0027] Figure 6 A schematic diagram of the structure of a wire reel of a winding mechanism of a customer front-end device according to one embodiment.

[0028] Figure 7 This is a schematic diagram of another part of the structure of the customer front-end device according to one implementation mode. In the figure, the antenna RF module is rotated to 0° around the second axis.

[0029] Figure 8 for Figure 7 Another state schematic diagram of the customer front-end device is shown, in which the antenna RF module is rotated to -20° around the second axis.

[0030] Fig. 9 for Figure 7 A schematic diagram of another state of the customer front-end device is shown, in which the antenna RF module is rotated to 45° around the second axis.

[0031] Fig.10 A partial structural diagram of a customer front-end device according to another embodiment.

[0032] Fig.11 It is a front view structural diagram of a customer front-end device according to one implementation method.

[0033] Fig.12 for Fig.11 A side view structural diagram of a customer front-end device is shown.

[0034] Fig.13 A schematic diagram of the three-dimensional structure of a customer front-end device according to another embodiment.

[0035] Fig.14 for Fig.13 A schematic structural diagram of a customer front-end device from another perspective is shown.

[0036] Fig.15 for Fig.13 A side view structural diagram of a customer front-end device is shown.

[0037] Fig.16 Schematic diagram of a simplified model of a customer front-end device according to an implementation mode, wherein (a) is a simplified model of a Cassegrain antenna, and (b) is a simplified model of a single parabolic antenna.

[0038] Description of Figure Numbers:

[0039] 10. Customer front-end equipment; 11. Shell; 12. Circuit board; 13. Interface; 131. Power interface; 133. USB interface; 135. Network cable interface; 137. Telephone interface; 15. Antenna RF module; 151. Millimeter wave antenna; 152. Parabolic reflector; 153. Hyperbolic reflector; 17. Winding mechanism; 171. Wire drum; 173. Power cord; 175. RF line; 171a. First winding groove; 171b. Second winding groove; 171c. Center hole; 171d. First through hole; 171e. Second through hole; Z1. First axis; Z2. Second axis; 101. First rotation drive mechanism; 101a. First mounting bracket; 101b. First motor; 103. Second rotation drive mechanism; 103a. Second mounting bracket; 103b. Second motor; 105. Support arm; 105a. Wire groove. DETAILED DESCRIPTION

[0040] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive.

[0041] See also Figure 1 As shown, Figure 1 The schematic diagram of the customer premise equipment 10 provided in the embodiment of the present application in the network system architecture is shown. The customer premise equipment 10 is used to realize the network access function, which can convert the operator's public network WAN to the user's home local area network LAN. According to the current Internet broadband access mode, it can be divided into FTTH (fiber access), DSL (digital telephone line access), Cable (cable TV line access), Mobile (mobile access, i.e. wireless CPE), etc. The customer premise equipment 10 is also a mobile signal access device that receives mobile signals and forwards them as wireless WIFI signals. It can convert 4G or 5G signals into WiFi signals and can support multiple terminal devices 30 such as mobile phones, tablets, etc. to access the network.

[0042] exist Figure 1In the system architecture shown, the customer premise equipment 10 can be connected to the first base station 20 in the first network system, and access the core network through the first base station 20. In addition, the adjacent area of ​​the customer premise equipment 10 may also be deployed with a cell and a second base station of the second network system, or may not be deployed with a cell and a second base station of the second network system. Among them, the first network system is different from the second network system. For example, the first network system may be a 4G network system, and the second network system may be a 5G network system; or, the first network system may be a 5G network system, and the second network system may be a future PLMN (Public Land Mobile Network) system that evolves after 5G. The embodiment of the present application does not specifically limit which radio frequency system the first network system and the second network system are.

[0043] When the customer premises equipment 10 is connected to the 5G network system, the customer premises equipment 10 can send and receive data with the corresponding base station through the beam formed by the 5G millimeter wave antenna module, and the beam needs to be aligned with the antenna beam of the base station to facilitate the customer premises equipment 10 to transmit uplink data to the base station or receive downlink data transmitted by the base station.

[0044] Combination Figure 2 As shown, in one embodiment, the customer front-end device 10 includes a housing 11, and the housing 11 forms a mounting cavity to mount other components of the customer front-end device 10. The housing 11 can be cylindrical or columnar, which is not limited here. The appearance of the customer front-end device 10 is mainly presented by the housing 11.

[0045] Combination Figure 2 and Figure 3As shown, in some embodiments, the customer premise device 10 includes a circuit board 12, and the circuit board 12 may be provided with a plurality of interfaces 13 exposed to the housing 11. These interfaces 13 are electrically connected to the circuit board 12. For example, the interface 13 includes a power interface 131, a USB interface 133, a network cable interface 135, a telephone interface 137, etc. The power interface 131 is used to connect to an external power source to use the external power source to power the customer premise device 10, the USB interface 133 can be used for data transmission between the customer premise device 10 and an external device, and the telephone interface 137 can be used for an external fixed telephone. Of course, the USB interface 133 and the power interface 131 can be integrated into one to simplify the arrangement of the interface 13 of the customer premise device 10. The network cable interface 135 can further include a wired network access terminal and a wired network output terminal. The customer premise device 10 can be connected to the network through the wired network access terminal, and then connected to other devices through one or more wired network output terminals. Of course, in some embodiments, the network cable interface 135 and the telephone interface 137 can be integrated into one to simplify the layout of the interface 13 of the customer premise equipment 10. Of course, in some implementations, the wired network output terminal can be omitted, that is, after the customer premise equipment 10 uses the wired network input terminal to access the network, the radio frequency system is used to convert the wired network into a wireless network (such as WiFi) for external devices to access the network. Of course, both the wired network access terminal and the wired network output terminal can be omitted. In this implementation, the customer premise equipment 10 can access the cellular network (also known as the mobile network) through the radio frequency system, and then convert it into a WiFi signal for external devices to access the network.

[0046] Combination Figure 3 and Figure 4 As shown, a customer front-end device 10 provided in one embodiment of the present application includes an antenna RF module 15 and a winding mechanism 17. It can be understood that in the customer front-end device 10, it is necessary to power the antenna RF module 15 and transmit RF signals. Among them, the cable used for power supply can be called "power line 173"; the cable used for transmitting RF signals can be called "RF line 175". The power line 173 and the RF line 175 are both connected to the antenna RF module 15. As a cable for transmitting radio waves, the RF line 175 is generally used to transmit the wireless signal received by the antenna RF module 15 to other modules of the customer front-end device 10 such as a signal processor. At this time, one end of the RF line 175 is connected to the signal processor, and the other end is connected to the antenna. In some embodiments, the circuit board 12 of the customer front-end device 10 is the control mainboard of the customer front-end device 10, which can be used for signal processing and corresponding control functions. The power line 173 and the RF line 175 are both electrically connected to the circuit board 12, so as to realize the connection between the circuit board 12 and the antenna.

[0047] In this embodiment, the antenna RF module 15 can rotate around the first axis Z1 to change the direction of signal transmission and reception, thereby improving the coverage range of the antenna signal. Since the antenna RF module 15 can rotate around the first axis Z1, when the antenna RF module 15 rotates, it will inevitably drive the power cord 173 and the RF line 175 to move. In order to avoid the power cord 173 and the RF line 175 from getting entangled or even being broken, thereby affecting the service life of the customer front-end device 10, in the embodiment of the present application, the winding mechanism 17 is used to provide a good winding method for the power cord 173 and the RF line 175, thereby avoiding the power cord 173 and the RF line 175 from malfunctioning during the rotation of the antenna RF module 15. Specifically, the winding mechanism 17 includes a wire drum 171, a power cord 173 and a RF line 175. The power cord 173 and the RF line 175 can be wound around the wire drum 171 or expanded from the wire drum 171 as the antenna RF module 15 rotates.

[0048] The inventors found that when the antenna RF module 15 rotates around the first axis Z1, signal reception and transmission are prone to instability. After in-depth discussion, it was found that the position of the antenna RF module 15 rotating around the first axis Z1 is difficult to maintain consistent with expectations. For example, the antenna RF module 15 is set to rotate 310° around the first axis Z1, but in fact, the angle of rotation of the antenna RF module 15 is less than 310°. Through investigation, the inventors found that there was no loss of step in the rotation angle of the motor, that is, the deviation in the rotation angle of the antenna RF module 15 was not caused by the loss of step in the motor rotation. Through further analysis and verification, it was found that during the rotation of the antenna RF module 15, the power line 173 and the RF line 175 will generate torque on the antenna RF module 15 like a torsion spring. When the rotation angle of the antenna RF module 15 is large, it will idle due to excessive torque, resulting in inaccurate positioning of the antenna RF module 15.

[0049] Combination Figure 5 As shown, in the customer premises device 10 provided in the embodiment of the present application, a part of the structure of the power line 173 and a part of the structure of the RF line 175 are reversely wound around the first axis Z1 on the wire drum 171. Specifically, if the direction in which the power line 173 is wound around the wire drum 171 is defined as the forward direction, the RF line 175 is reversely wound around the wire drum 171. When the antenna RF module 15 rotates around the first axis Z1, the torque direction of the power line 173 on the antenna RF module 15 is opposite to the torque direction of the RF line 175 on the antenna RF module 15, so that the two torques cancel each other out, so as to reduce the torque on the antenna RF module 15 when it rotates around the first axis Z1, thereby reducing the probability of the antenna RF module 15 idling and causing a decrease in positioning accuracy. Therefore, the customer premises device 10 of the present application can improve the coverage range while avoiding a decrease in positioning accuracy.

[0050] Understandably, since part of the structure of the power line 173 and part of the structure of the RF line 175 are reversely wound around the first axis Z1 on the wire drum 171, when the antenna RF module 15 rotates back and forth around the first axis Z1, the power line 173 and the RF line 175 perform rotational tightening and rotational expansion movements alternately. In this way, the maximum torque of the power line 173 and the RF line 175 will never act on the antenna RF module 15 at the same time, thereby reducing the maximum torque on the antenna RF module 15 and preventing the antenna RF module 15 from idling and causing a decrease in positioning accuracy.

[0051] Combination Figure 5 As shown, the axis of the wire drum 171 is parallel to or coincides with the first axis Z1. During the rotation of the antenna RF module 15, the power line 173 and the RF line 175 are driven by the antenna RF module 15, one of which is forwardly wound around the first axis Z1 on the wire drum 171, and the other is reversely expanded from the wire drum 171 around the first axis Z1. Therefore, setting the axis of the wire drum 171 parallel to or coincident with the first axis Z1 can prevent the power line 173 and the RF line 175 from slipping off the wire drum 171 during the winding process and causing winding failure, that is, improving the winding stability.

[0052] Furthermore, the wire drum 171 has a first winding groove 171a and a second winding groove 171b, and the first winding groove 171a and the second winding groove 171b are spaced apart in the axial direction of the wire drum 171. Part of the structure of the power line 173 is wound in the first winding groove 171a, and part of the structure of the radio frequency line 175 is wound in the second winding groove 171b. In this way, the radio frequency line 175 and the power line 173 are respectively wound in different winding grooves 105a, reducing the probability of mutual interference, so as to further improve the winding stability.

[0053] Combination Figure 5 and Figure 6 As shown, in some embodiments, the middle of the cable drum 171 has a central hole 171c, and the central hole 171c can be used for wiring. For example, the power line 173 and the radio frequency line 175 pass through the central hole 171c and are led out from the central hole 171c.

[0054] The first winding groove 171a has a first through hole 171d formed in the groove wall, and the first through hole 171d is connected to the center hole 171c. In this embodiment, the power cord 173 is wound around the first winding groove 171a and enters the center hole 171c through the first through hole 171d, so as to be led out from the wire drum 171 along the center hole 171c. This wiring method is simple, and the power cord 173 is not easily messy, which is conducive to improving the smoothness of the power cord 173 being wound around the first winding groove 171a.

[0055] Correspondingly, the groove wall of the second winding groove 171b is provided with a second through hole 171e, and the second through hole 171e is connected to the center hole 171c. The RF line 175 is wound around the second winding groove 171b and enters the center hole 171c through the second through hole 171e, so as to be led out from the wire drum 171 along the center hole 171c. This routing method is simple, and the RF line 175 is not easy to be messy, which is conducive to improving the smoothness of the RF line 175 being wound around the second winding groove 171b.

[0056] The customer premises device 10 further includes a first rotation driving mechanism 101, which is connected to the antenna RF module 15 and is used to drive the antenna RF module 15 to rotate around a first axis Z1.

[0057] The first rotation drive mechanism 101 includes a first mounting frame 101a and a first motor 101b, the antenna RF module 15 is connected to the first mounting frame 101a, and the output shaft of the first motor 101b is connected to the first mounting frame 101a, and is used to drive the first mounting frame 101a to rotate around the first axis Z1. In this embodiment, the first mounting frame 101a is used as a mounting carrier of the antenna RF module 15 to drive the antenna RF module 15 to rotate around the first axis Z1, thereby improving the rotation stability of the antenna RF module 15.

[0058] It should be noted that the first mounting frame 101a can also provide routing for the power line 173 and the RF line 175, so that when the first mounting frame 101a drives the antenna RF module 15 to move around the first axis Z1, it can ensure that the power line 173 and the RF line 175 are set on the first mounting frame 101a. The part and the antenna RF module 15 maintain a stable connection, reducing the probability of the power line 173 and the RF line 175 falling off from the antenna RF module 15 and causing poor electrical performance. Understandably, since the power line 173 and the RF line 175 can rotate around the first axis Z1 with the first mounting frame 101a, and the winding directions of the parts of the two corresponding to the wire drum 171 are opposite, when the first mounting frame 101a rotates back and forth around the first rotating shaft, the power line 173 and the RF line 175 will be driven by the first mounting frame 101a to alternately perform rotational tightening and rotational expansion movements relative to the wire drum 171. Specifically, if the first mounting frame 101a rotates forwardly around the first rotating shaft, the power line 173 is gradually tightened relative to the wire drum 171 and the torque will also increase as the tightening degree increases, and the RF line 175 is then rotated and expanded relative to the wire drum 171 to reduce the torque on the wire drum 171. Correspondingly, if the first mounting frame 101a rotates reversely around the first rotating shaft, the RF line 175 is gradually tightened relative to the wire drum 171 and the torque will also increase as the tightening degree increases, and the power line 173 is then rotated and expanded relative to the wire drum 171 to reduce the torque on the wire drum 171. In this way, during the process of the first mounting frame 101a driving the antenna RF module 15 to rotate around the first axis Z1, the torque of the power line 173 and the RF line 175 changes alternately, with the torque of one gradually increasing and the torque of the other gradually decreasing, so that the maximum torque of the two lines will not act on the first mounting frame 101a at the same time, thereby reducing the risk of idling of the first mounting frame 101a and avoiding inaccurate rotation angle of the antenna RF module 15 on the first mounting frame 101a.

[0059] The first motor 101b can be connected to the wire drum 171, or it can be connected to the mounting base (not shown) in the shell 11 of the customer front-end device 10. As long as the first motor 101b can drive the first mounting frame 101a to rotate, the power cord 173 and the radio frequency line 175 connected to the first mounting frame 101a can be rotated and wound or rotated and expanded relative to the wire drum 171.

[0060] In the embodiment in which the center of the wire drum 171 has a center hole 171c, the output shaft of the first motor 101b is passed through the center hole 171c and connected to the first mounting frame 101a. Therefore, when the first motor 101b drives the first mounting frame 101a to rotate, the first mounting frame 101a will drive the power line 173 and the RF line 175 to rotate around the wire drum 171 together, so that one of the power line 173 and the RF line 175 is gradually tightened on the wire drum 171, and the other gradually expands out from the wire drum 171. The first mounting frame 101a can reciprocate around the first axis Z1 in the range of 0° to 360°, so that the antenna RF module 15 can achieve full signal coverage in the direction around the first axis Z1.

[0061] Combination Figures 7 to 9 As shown, in some embodiments, the customer front-end device 10 also includes a second rotation drive mechanism 103, and the antenna RF module 15 is connected to the first mounting bracket 101a through the second rotation drive mechanism 103. The second rotation drive mechanism 103 is used to drive the antenna RF module 15 to rotate around a second axis Z2, and the second axis Z2 is perpendicular to the first axis Z1.

[0062] In some embodiments, the antenna RF module 15 can reciprocate around the second axis Z2 within a range of -20° to 45°. Figure 7 As shown, when the antenna RF module 15 rotates around the second axis Z2 to 0°, the direction of the antenna RF module 15 receiving and sending signals is perpendicular to the first axis Z1 and the second axis Z2. When the antenna RF module 15 rotates around the second axis Z2 to 0°, the antenna RF module 15 is oriented horizontally, that is, the direction of the antenna RF module 15 receiving and sending signals is parallel to the horizontal plane. Figure 8 As shown, when the antenna RF module 15 is at -20° around the second axis Z2, the antenna RF module 15 is tilted downward and forms an angle of 20° with the horizontal plane. Fig. 9 As shown, when the antenna RF module 15 is at 45° around the second axis Z2, the antenna RF module 15 is tilted upward and forms an angle of 45° with the horizontal plane.

[0063] In the above implementation, the antenna RF module 15 is used to rotate around the first axis Z1 and around the second axis Z2 to improve the antenna signal coverage. For ease of understanding, the following takes the first axis Z1 as the vertical direction and the second axis Z2 as the horizontal direction perpendicular to the vertical direction as an example. The first mounting bracket 101a can reciprocate around the first axis Z1 in the range of 0° to 360°, and the antenna RF module 15 can reciprocate around the second axis Z2 in the range of -20° to 45°. Subsequently, the customer front-end device 10 can achieve 360° signal coverage all around, with no signal blind spots. When the antenna RF module 15 rotates around the second axis Z2, the antenna RF module 15 pitches up and down, which can satisfy the product to send and receive signals with the base station in its respective environment. Taking into account that the customer premises equipment 10 is usually lower than the height of the base station when in use, the angle range of the upward rotation of the antenna RF module 15 around the second axis Z2 is greater than the angle range of the downward rotation of the antenna RF module 15 around the second axis Z2. Therefore, the rotation range of the antenna RF module 15 around the second axis Z2 is set to -20°~45°, which fully considers the use environment of the customer premises equipment 10.

[0064] Combination Fig.10 As shown, in some embodiments, the second rotation drive mechanism 103 includes a second mounting frame 103a and a second motor 103b, the second mounting frame 103a is rotationally connected to the first mounting frame 101a, and the second motor 103b is connected to the second mounting frame 103a. In this embodiment, the second motor 103b is used to drive the second mounting frame 103a to rotate relative to the first mounting frame 101a around the second axis Z2. The antenna RF module 15 is connected to the second mounting frame 103a. In this way, when the second mounting frame 103a rotates relative to the first mounting frame 101a around the second axis Z2, the antenna RF module 15 can rotate around the second axis Z2 to improve the coverage range.

[0065] In some embodiments, the power cord 173 uses FPC to obtain good flexibility to reduce the stress when the wire coil 171 is ringed, thereby reducing the torque generated on the antenna RF module 15. In this way, the first motor 101b can be prevented from idling due to the influence of the wire body, thereby improving the accuracy of the angle adjustment of the antenna RF module 15, and then accurately positioning the signal receiving and sending direction of the antenna RF module 15.

[0066] Figures 7 to 11As shown, the antenna RF module 15 includes a parabolic reflector 152 and a millimeter wave antenna 151. The parabolic reflector 152 is connected to the second mounting bracket 103a. The antenna RF module 15 can be connected to the second mounting bracket 103a through a support arm 105, so that the antenna RF module 15 is fixedly located at the focal position of the parabolic reflector 152. It should be noted that the number of support arms 105 can be 1, or 2 or more. For example, Fig.11 As shown, one end of the two support arms 105 is connected to the two sides of the antenna RF module 15, and the other end is connected to the two sides of the second mounting frame 103a. Thus, the antenna module and the second mounting frame 103a are stably connected, and after the parabolic reflector 152 is installed on the second mounting frame 103a, the antenna module and the parabolic reflector 152 can be kept relatively fixed.

[0067] Furthermore, the support arm 105 is provided with a wire groove 105a, so that the power line 173 and the radio frequency line 175 are arranged by using the wire groove 105a, and the power line 173 and the radio frequency line 175 are led to the millimeter wave antenna 151. This wiring method is simple and is conducive to wiring.

[0068] The millimeter wave antenna 151 is disposed at the focal position of the parabolic reflector 152, and the radiation direction is toward the reflecting surface of the parabolic reflector 152. The parabolic reflector 152 is made of metal, and the surface is polished to improve the reflectivity. In this embodiment, the millimeter wave antenna 151 is a kind of directional antenna (directional antenna), which transmits and receives electromagnetic waves particularly strongly in one or several specific directions, while the transmission and reception of electromagnetic waves in other directions are zero or extremely small. Since the antenna RF module 15 is fixedly located at the focal position of the parabolic reflector 152, when the antenna RF module 15 transmits a signal, the transmitted signal is reflected by the parabolic reflector 152 to the direction of the external base station. Combined with Fig.12 As shown, according to the geometric characteristics of the parabola, after the signal transmitted by the antenna RF module 15 is transmitted from the focal position through the parabola reflector 152, the direction of the radio wave is parallel to the normal axis of the parabola, and the electromagnetic wave is approximately converted from the original spherical wave to a plane wave. At this time, the beam width becomes smaller than before, so the transmission energy will be more concentrated and the gain will be greater. It can be understood that when the antenna RF module 15 of the customer front-end device 10 receives the signal, the propagation path of the electromagnetic wave is opposite to the propagation path of the aforementioned transmission signal, which will not be repeated here.

[0069] Combination Fig.13 and Fig.14As shown, in some embodiments, the antenna RF module 15 includes a millimeter wave antenna 151, a parabolic reflector 152, and a hyperbolic reflector 153. The parabolic reflector 152 is connected to the second mounting bracket 103a, the hyperbolic reflector 153 is fixed relative to the parabolic reflector 152, and one focus of the hyperbolic reflector 153 coincides with the focus of the parabolic reflector 152, and the millimeter wave antenna 151 is arranged at the other focus of the hyperbolic reflector 153, and the radiation direction is toward the reflection surface of the hyperbolic reflector 153. Through this arrangement, the antenna RF module 15 can receive and send antenna signals in a Cassegrain antenna model. In this embodiment, the hyperbolic reflector 153 is connected to the second mounting bracket 103a through the support arm 105, so that the hyperbolic reflector 153 and the parabolic reflector 152 are relatively fixed. In this embodiment, since the millimeter wave antenna 151 is disposed at another focus of the hyperbolic reflector 153, the power line 173 and the radio frequency line 175 can be arranged along the second mounting frame 103a to the millimeter wave antenna 151, and there is no need to route them in the support arm 105. Therefore, compared with leading the radio frequency line 175 to the millimeter wave antenna 151 along the support arm 105, this embodiment can shorten the routing length of the radio frequency line 175, which is conducive to reducing the loss of the signal during transmission along the radio frequency line 175. Especially in high-frequency signal transmission, this effect of reducing loss is more obvious.

[0070] The millimeter wave antenna 151 is located on the reflection surface of the parabolic reflector 152. Since the reflection surface of the parabolic reflector 152 faces the reflection surface of the hyperbolic reflector 153, this structural setting makes it easier to place the millimeter wave antenna 151 at the focus of the hyperbolic reflector 153. Moreover, this structural setting is conducive to arranging the power line 173 and the radio frequency line 175 to electrically connect the power line 173 and the radio frequency line 175 to the millimeter wave antenna 151. For example, in combination with Fig.14 As shown, the power line 173 and the RF line 175 extend from the wire reel 17 to the back side of the parabolic reflector 152 (i.e., the side of the parabolic reflector 152 facing away from its reflecting surface), and are arranged along the back side of the parabolic reflector 152. The parabolic reflector 152 is provided with threading holes, and the power line 173 and the RF line 175 respectively pass through the corresponding threading holes and are electrically connected to the millimeter wave antenna 151 located on the reflecting surface of the parabolic reflector 152.

[0071] Combination Fig.15As shown, in this embodiment, the ray emitted by the millimeter wave antenna 151 disposed at the focus F1 of the hyperbolic reflector 153 after being reflected by the hyperbolic reflector 153 is equivalent to the ray directly emitted by the virtual focus F2 of the hyperbolic reflector 153. Therefore, as long as the virtual focus F2 of the hyperbolic reflector 153 coincides with the focus of the parabolic reflector 152, the ray reflected from the hyperbolic reflector 153 to the parabolic reflector 152 can be reflected by the parabola and radiated as a plane wave.

[0072] Combination Fig.16 As shown, (a) is a simplified model of the Cassegrain antenna, and (b) is a simplified model of the single parabola antenna. The emission angle θ of the millimeter wave antenna 151 chip is certain. When the plane wave velocity of the same width needs to be obtained (ie, H1=H2), it can be seen that the layout using the Cassegrain antenna model is more compact and requires less space (ie, L1<L2).

[0073] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0074] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A customer premise equipment, characterized in that: include: The antenna radio frequency module can rotate around the first axis to change the direction of signal transmission and reception; A winding mechanism, the winding mechanism includes a wire reel, a power cord and a radio frequency line, the power cord and the radio frequency line are both connected to the antenna radio frequency module, a partial structure of the power cord and a partial structure of the radio frequency line are reversely wound around the first axis on the wire reel, and when the antenna radio frequency module rotates around the first axis, the torque direction of the power cord on the antenna radio frequency module is opposite to the torque direction of the radio frequency line on the antenna radio frequency module.

2. The customer premise equipment according to claim 1, characterized in that: The axis of the wire drum is parallel to or coincides with the first axis.

3. The customer premise equipment according to claim 1, characterized in that: The wire drum has a first winding groove and a second winding groove, which are spaced apart in the axial direction of the wire drum, a part of the power line is wound around the first winding groove, and a part of the RF line is wound around the second winding groove.

4. The customer premise equipment according to claim 1, characterized in that: It also includes a first rotation driving mechanism, which is connected to the antenna RF module and is used to drive the antenna RF module to rotate around the first axis.

5. The customer premise equipment according to claim 4, characterized in that: The first rotation drive mechanism includes a first mounting frame and a first motor. The antenna RF module is connected to the first mounting frame. The output shaft of the first motor is connected to the first mounting frame and is used to drive the first mounting frame to rotate around the first axis.

6. The customer premise equipment according to claim 5, characterized in that: The first mounting bracket can reciprocate around the first axis within a range of 0° to 360°.

7. The customer premises equipment according to claim 5, characterized in that: It also includes a second rotation drive mechanism, and the antenna RF module is connected to the first mounting bracket through the second rotation drive mechanism. The second rotation drive mechanism is used to drive the antenna RF module to rotate around a second axis, and the second axis is perpendicular to the first axis.

8. The customer premise equipment according to claim 7, characterized in that: The antenna RF module can reciprocate around the second axis in the range of -20° to 45°, wherein when the antenna RF module rotates around the second axis to 0°, the direction in which the antenna RF module sends and receives signals is perpendicular to the first axis and the second axis.

9. The customer premise equipment according to claim 7, characterized in that: The second rotation drive mechanism includes a second mounting frame and a second motor. The second mounting frame is rotatably connected to the first mounting frame. The second motor is connected to the second mounting frame and is used to drive the second mounting frame to rotate around the second axis relative to the first mounting frame. The antenna RF module is connected to the second mounting frame.

10. The customer premises equipment according to any one of claims 1 to 9, characterized in that: The antenna radio frequency module includes a parabolic reflector and a millimeter wave antenna. The millimeter wave antenna is arranged at the focal position of the parabolic reflector, and the radiation direction is toward the reflecting surface of the parabolic reflector.

11. The customer premises equipment according to any one of claims 1 to 9, characterized in that: The antenna RF module includes a millimeter wave antenna, a parabolic reflector and a hyperbolic reflector. The hyperbolic reflector is fixed relative to the parabolic reflector, and one focus of the hyperbolic reflector coincides with the focus of the parabolic reflector. The millimeter wave antenna is arranged at the other focus of the hyperbolic reflector, and the radiation direction is toward the reflecting surface of the hyperbolic reflector.

12. The customer premises equipment according to claim 11, characterized in that: The millimeter wave antenna is located on the reflecting surface of the parabolic reflector, and the power line and the radio frequency line are both electrically connected to the millimeter wave antenna.

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