Antenna receiving module and terminal equipment

Abstract

The utility model relates to the technical field of communication, and provides an antenna receiving module and terminal equipment. The antenna receiving module comprises a substrate, an antenna, a first change-over switch, a second change-over switch and a communication interface, the antenna, the first change-over switch, the second change-over switch and the communication interface are respectively arranged on the substrate; the antenna is connected with the first change-over switch; the first change-over switch is connected with the second change-over switch through at least one signal receiving channel, and each signal receiving channel is provided with a frequency-selecting filter; the second change-over switch is used for being connected with the radio frequency transceiver; and the first change-over switch and the second change-over switch are respectively connected with the communication interface. According to the utility model, through the modular design of the antenna receiving module, the antenna receiving module can be conveniently replaced and reused according to the actual model selection requirement and the maintenance requirement, the working frequency band of the antenna receiving module can be selectively configured, and the multi-frequency-band communication requirement of the terminal equipment is met.

Description

Technical Field

[0001] The utility model relates to the technical field of communications, and in particular to an antenna receiving module and a terminal device. Background Art

[0002] With the updating and iteration of information technology, 4G / 5G communications are widely used in terminal devices such as smartphones, laptops, vehicle-mounted equipment, and intelligent robots. However, due to the size or structural design of the terminal devices, antenna receiving modules are usually integrated on the motherboard of the terminal devices to achieve reception of antenna signals.

[0003] However, in actual applications, it is found that the frequency band used by the existing antenna receiving module is relatively single, which is difficult to meet the multi-band communication needs of the terminal equipment; at the same time, since the antenna receiving module is integrated on the motherboard, the antenna receiving module cannot be reused. When the antenna receiving module fails, the entire motherboard needs to be removed from the terminal device, which is cumbersome and increases the difficulty of maintenance. Utility Model Content

[0004] The utility model provides an antenna receiving module and a terminal device, which are used to solve the problem that the existing antenna receiving module has a single working frequency band and cannot realize multiplexing.

[0005] In a first aspect, the utility model provides an antenna receiving module, comprising: a substrate, an antenna, a first switching switch, a second switching switch and a communication interface;

[0006] The antenna, the first switch, the second switch and the communication interface are respectively arranged on the substrate;

[0007] The antenna is connected to the first switch; the first switch is connected to the second switch via at least one signal receiving channel, each signal receiving channel is provided with a frequency selection filter; the second switch is used to connect to a radio frequency transceiver;

[0008] The first switch and the second switch are respectively connected to the communication interface, and the communication interface is used to receive control instructions to control the working states of the first switch and the second switch.

[0009] According to an antenna receiving module provided by the utility model, the first switching switch and the second switching switch are of the same type and are both configured as single-pole multi-throw switches, so that the first switching switch is connected to the second switching switch through multiple signal receiving channels.

[0010] According to an antenna receiving module provided by the utility model, the frequency selection frequency bands of the frequency selection filters corresponding to at least two of the multiple signal receiving channels are different.

[0011] According to an antenna receiving module provided by the utility model, the antenna receiving module further includes: a first power amplifier;

[0012] The antenna is connected to the first switch via the first power amplifier, and the first power amplifier is connected to the communication interface;

[0013] Wherein, the communication interface is used to provide working power for the first power amplifier.

[0014] According to an antenna receiving module provided by the utility model, the substrate is a flexible circuit board.

[0015] In a second aspect, the utility model further provides a terminal device, comprising: a processor, a radio frequency transceiver, and the antenna receiving module as described above;

[0016] The radio frequency transceiver is connected to the second switch of the antenna receiving module, and the processor is connected to the communication interface of the antenna receiving module.

[0017] According to a terminal device provided by the utility model, the terminal device further includes a third switch; the second switch is communicatively connected to the third switch, and the third switch is connected to the radio frequency transceiver through at least one signal transmission channel;

[0018] The number of the signal receiving channels matches the number of the signal transmission channels.

[0019] According to a terminal device provided by the utility model, the radio frequency transceiver is configured with a second power amplifier, and the second power amplifier is matched and arranged in a one-to-one correspondence with the signal transmission channel.

[0020] According to a terminal device provided by the utility model, the second switch and the third switch establish a communication connection through a radio frequency connection component;

[0021] The RF connection component includes a first RF coaxial connector, a RF coaxial cable and a second RF coaxial connector; the second switching switch is connected to the first RF coaxial connector, the first RF coaxial connector is connected to one end of the RF coaxial cable, the other end of the RF coaxial cable is connected to the second RF coaxial connector, and the second RF coaxial connector is connected to the third switching switch.

[0022] According to a terminal device provided by the utility model, the antenna receiving module and the third switching switch are provided in plurality, and the plurality of antenna receiving modules and the plurality of third switching switches are arranged one by one in a relative manner;

[0023] Among them, the multiple antenna receiving modules at least include a low-frequency antenna receiving module, a medium-frequency antenna receiving module and a high-frequency antenna receiving module.

[0024] The antenna receiving module and terminal device provided by the utility model realize a modular design of the antenna receiving module by integrating the antenna, the first switching switch, the second switching switch and the communication interface on the substrate, so as to facilitate direct connection of the antenna receiving module with the RF transceiver and the processor on the mainboard of the terminal device. The antenna receiving module can be replaced and reused according to actual selection requirements and maintenance requirements, and the operation is simple and convenient. At the same time, in actual applications, the signal receiving channel for the antenna receiving module can be selected by controlling the working states of the first switching switch and the second switching switch, so as to selectively configure the working frequency band of the antenna receiving module, thereby meeting the multi-band communication requirements of the terminal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] Figure 1 It is a structural schematic diagram of the antenna receiving module provided by the utility model;

[0027] Figure 2 It is a structural schematic diagram of the terminal device provided by the utility model;

[0028] Reference numerals:

[0029] 1. Antenna receiving module; 101. Low frequency antenna receiving module; 102. Intermediate frequency antenna receiving module; 103. High frequency antenna receiving module; 11. Substrate; 12. Antenna; 13. First switching switch; 14. Second switching switch; 15. Communication interface; 16. First power amplifier; 17. Frequency selection filter;

[0030] 2. RF transceiver; 3. Processor; 4. Third switching switch;

[0031] 5. RF connection component; 51. first RF coaxial connector; 52. RF coaxial cable; 53. second RF coaxial connector. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Combine the following Figure 1-Figure 2 , the antenna receiving module and the terminal device provided by the embodiment of the utility model are described in detail through specific embodiments and their application scenarios.

[0034] In the first aspect, Figure 1 As shown, an embodiment of the utility model provides an antenna receiving module 1, including: a substrate 11, an antenna 12, a first switching switch 13, a second switching switch 14 and a communication interface 15.

[0035] The antenna 12 , the first switch 13 , the second switch 14 and the communication interface 15 are respectively disposed on the substrate 11 .

[0036] The antenna 12 is connected to the first switch 13 ; the first switch 13 is connected to the second switch 14 via at least one signal receiving channel, each signal receiving channel is provided with a frequency selection filter 17 ; the second switch 14 is used to connect to the RF transceiver 2 .

[0037] The first switch 13 and the second switch 14 are respectively connected to the communication interface 15 , and the communication interface 15 is used to receive control instructions to control the working states of the first switch 13 and the second switch 14 .

[0038] It is understandable that the substrate 11 is used to provide an installation support for the antenna 12, the first switching switch 13, the second switching switch 14 and the communication interface 15. The substrate 11 can be either a printed circuit board (PCB) or a flexible circuit board (FPC), and there is no specific limitation on this.

[0039] The antenna 12 may be a metal line structure, and may be formed directly on the substrate 11 by etching.

[0040] In practical applications, the types of the first switch 13 and the second switch 14 can be configured according to the number of signal receiving channels of the antenna receiving module 1 .

[0041] In the case where the first switching switch 13 and the second switching switch 14 are only provided with one signal receiving channel, both the first switching switch 13 and the second switching switch 14 can be single-pole single-throw switches. Based on the frequency selection filter 17 provided on this signal receiving channel, the antenna receiving module 1 can only receive a single frequency band signal allowed to pass by the frequency selection filter 17.

[0042] In the case where the first switch 13 and the second switch 14 are provided with multiple signal receiving channels, the first switch 13 and the second switch 14 are of the same type and are both configured as single-pole multi-throw switches, so that the first switch 13 is connected to the second switch 14 through the multiple signal receiving channels. Since each signal receiving channel is provided with a frequency-selective filter 17, the antenna receiving module 1 can not only receive signals of multiple frequency bands based on the filtering effect of the frequency-selective filter 17 on the multiple signal receiving channels, but also greatly reduce the RF development adjustment time.

[0043] At the same time, the communication interface 15 is configured as a plug interface for plugging into another plug interface on the terminal device to establish a communication connection between the communication interface 15 of the antenna receiving module 1 and the processor 3 of the terminal device.

[0044] Among them, on the one hand, the communication interface 15 provides working power for the first switching switch 13 and the second switching switch 14, and on the other hand, the communication interface 15 is also communicated with the first switching switch 13 and the second switching switch 14 in the form of a GPIO interface, so that the communication interface 15 can respond to the control instructions of the processor 3 of the terminal device to control and adjust the working status of the first switching switch 13 and the second switching switch 14, thereby realizing the selection and switching of the signal receiving channel of the antenna receiving module 1.

[0045] The antenna receiving module 1 shown in this embodiment realizes a modular design of the antenna receiving module 1 by integrating the antenna 12, the first switching switch 13, the second switching switch 14 and the communication interface 15 on the substrate 11, so as to facilitate direct connection of the antenna receiving module 1 with the RF transceiver 2 and the processor 3 on the mainboard of the terminal device. The antenna receiving module 1 can be replaced and reused according to actual selection requirements and maintenance requirements, and the operation is simple and convenient. At the same time, in actual applications, the signal receiving channel for the antenna receiving module 1 can be selected by controlling the working states of the first switching switch 13 and the second switching switch 14, so as to selectively configure the working frequency band of the antenna receiving module 1, thereby meeting the multi-band communication requirements of the terminal device.

[0046] In some embodiments, Figure 1As shown, in order to ensure that the antenna receiving module 1 can switch between multiple working frequency bands, the first switching switch 13 and the second switching switch 14 are of the same type and are both configured as single-pole multi-throw switches, so that the first switching switch 13 is connected to the second switching switch 14 through a multi-signal receiving channel.

[0047] Specifically, both the first switch 13 and the second switch 14 can be configured as single-pole four-throw switches, so that four signal receiving channels can be formed between the first switch 13 and the second switch 14 .

[0048] Since each signal receiving channel is equipped with a frequency selection filter 17, the antenna receiving module 1 is equipped with a total of four frequency selection filters 17. Figure 1 They are identified as LB1, LB2, LB3 and LB4 respectively.

[0049] In some embodiments, Figure 1 As shown, in order to achieve the diversification of the working frequency bands of the antenna receiving module 1, this embodiment can set the frequency selection bands of the frequency selection filters 17 corresponding to at least two of the multiple signal receiving channels to be different.

[0050] In practical applications, when the antenna receiving module 1 is configured with multiple signal receiving channels, the present embodiment can set the frequency selection bands of the frequency selection filters 17 corresponding to the various receiving channels to be different.

[0051] At the same time, this embodiment can also set a low noise amplifier in each signal receiving channel, and the low noise amplifier and the frequency selective filter 17 are connected in series to reduce the signal loss caused by the frequency selective filtering of the frequency selective filter 17 in the signal receiving channel through the low noise amplifier.

[0052] In some embodiments, Figure 1 As shown, the antenna receiving module 1 further includes: a first power amplifier 16 . The antenna 12 is connected to the first switch 13 via the first power amplifier 16 , and the first power amplifier 16 is connected to the communication interface 15 .

[0053] The communication interface 15 is used to provide working power to the first power amplifier 16 .

[0054] It is understandable that the first power amplifier 16 may be a low noise amplifier, and the working power required for the first power amplifier 16 to work normally is provided by the communication interface 15 .

[0055] Here, in this embodiment, by providing the first power amplifier 16 , the insertion loss of the communication link from the antenna 12 to the RF transceiver 2 can be effectively reduced, which is beneficial to improving the channel sensitivity.

[0056] Based on the scheme shown in the above embodiment, the substrate 11 is configured as a flexible circuit board. This design can make the entire antenna receiving module 1 have a certain deformation performance, and the actual placement position of the antenna receiving module 1 can be flexibly selected, thereby greatly enhancing the flexibility of the peripheral structure design corresponding to the antenna receiving module 1.

[0057] In the second aspect, Figure 2 As shown, the embodiment of the utility model further provides a terminal device, including: a processor 3, a radio frequency transceiver 2 and the above-mentioned antenna receiving module 1. The processor 3 may be a microprocessor known in the art.

[0058] The RF transceiver 2 is connected to the second switch 14 of the antenna receiving module 1 , and the processor 3 is connected to the communication interface 15 of the antenna receiving module 1 .

[0059] It is understandable that since the terminal device includes an antenna receiving module 1, and the specific structure of the antenna receiving module 1 refers to the above embodiment, the terminal device of this embodiment includes all the technical solutions of the above embodiment, and therefore has at least all the beneficial effects achieved by all the technical solutions of the above embodiment, which will not be repeated here one by one.

[0060] Among them, the terminal device can be a smart phone, a Xiaofei robot, an edge computing box, a learning machine, a tablet computer, etc., without specific limitation.

[0061] In some embodiments, Figure 2 As shown, the terminal device further includes a third switch 4; the second switch 14 is communicatively connected to the third switch 4, and the third switch 4 is connected to the RF transceiver 2 via at least one signal transmission channel. The number of signal receiving channels matches the number of signal transmission channels.

[0062] It is understandable that, by setting the third switching switch 4, the performance of the third switching switch 4 can be utilized to match the corresponding number of signal transmission channels for the RF transceiver 2 according to the number of signal receiving channels of the antenna receiving module 1, so as to ensure that the RF transceiver 2 can receive signals of various working frequency bands transmitted by the antenna receiving module 1.

[0063] In the case where a plurality of signal transmission channels are provided, the third switch 4 can be configured as a single-pole multi-throw switch of the same type as the first switch 13 and the second switch 14 .

[0064] Optionally, in the case that the first switch 13 and the second switch 14 are both single-pole four-throw switches, the third switch 4 is also configured as a single-pole four-throw switch.

[0065] In some embodiments, Figure 2As shown, the RF transceiver 2 is configured with a second power amplifier, and the second power amplifier is matched and arranged in a one-to-one correspondence with the signal transmission channel.

[0066] It is understandable that the second power amplifier may be a low noise amplifier.

[0067] In practical applications, after the signal received by the antenna 12 is amplified by the first power amplifier 16, any one of the multiple signal receiving channels can be selected for transmission. Since the number of signal receiving channels matches the number of signal transmission channels, and each signal transmission channel is correspondingly configured with a second power amplifier, this embodiment constructs multiple communication links between the antenna 12 and the RF transceiver 2, and each communication link can realize the cascade of the first power amplifier 16 and the second power amplifier. This cascade design will greatly reduce the insertion loss between the antenna 12 and the RF transceiver 2, so that the antenna receiving module 1 has more replacement and reuse usage scenarios.

[0068] In some embodiments, Figure 2 As shown, in order to facilitate the establishment of a stable communication connection between the second switch 14 and the third switch 4 , a radio frequency connection component 5 is provided between the second switch 14 and the third switch 4 .

[0069] The RF connection component 5 includes a first RF coaxial connector 51, a RF coaxial cable 52 and a second RF coaxial connector 53; the second switching switch 14 is connected to the first RF coaxial connector 51, the first RF coaxial connector 51 is connected to one end of the RF coaxial cable 52, the other end of the RF coaxial cable 52 is connected to the second RF coaxial connector 53, and the second RF coaxial connector 53 is connected to the third switching switch 4.

[0070] In some embodiments, Figure 2 As shown, the antenna receiving module 1 and the third switching switch 4 are both provided in plurality, and the plurality of antenna receiving modules 1 and the plurality of third switching switches 4 are arranged one by one in a relative manner.

[0071] The multiple antenna receiving modules 1 at least include a low-frequency antenna receiving module 101 , a medium-frequency antenna receiving module 102 and a high-frequency antenna receiving module 103 .

[0072] It is understandable that the low-frequency antenna receiving module 101, the medium-frequency antenna receiving module 102 and the high-frequency antenna receiving module 103 can all adopt Figure 1 The module architecture shown.

[0073] At the same time, according to different frequency selection requirements, the frequency selection band of the frequency selection filter 17 corresponding to the low-frequency antenna receiving module 101 is lower than the frequency selection band of the frequency selection filter 17 corresponding to the intermediate-frequency antenna receiving module 102, and the frequency selection band of the frequency selection filter 17 corresponding to the intermediate-frequency antenna receiving module 102 is lower than the frequency selection band of the frequency selection filter 17 corresponding to the high-frequency antenna receiving module 103.

[0074] Among them, the low frequency antenna receiving module 101, the intermediate frequency antenna receiving module 102 and the high frequency antenna receiving module 103 are Figure 2 They are marked with LB, MB and HB respectively.

[0075] The low-frequency antenna receiving module 101 is used to receive frequency bands below 1G, for example: LTE Band 5 / 8 / 12 / 17 / 20 / 28, NR N5 / 8 / 12 / 17 / 20 / 28; the intermediate-frequency antenna receiving module 102 is used to receive frequency bands of 1G-2G, for example: LTE Band 1 / 2 / 3 / 4 / 34 / 39, NR N1 / 2 / 3 / 4 / 34 / 39; the high-frequency antenna receiving module 103 is used to receive frequency bands above 2G, for example: LTE Band 7 / 30 / 40 / 41, NR N7 / 30 / 40 / 41 / 77 / 78 / 79.

[0076] In actual applications, based on the configuration of the low-frequency antenna receiving module 101, the medium-frequency antenna receiving module 102 and the high-frequency antenna receiving module 103, it is possible to flexibly support the free combination of multiple frequency bands from low-frequency bands to high-frequency bands in carrier aggregation, and the application scenarios of terminal equipment are greatly improved.

[0077] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An antenna receiving module, characterized in that: include: A substrate, an antenna, a first switch, a second switch and a communication interface; The antenna, the first switch, the second switch and the communication interface are respectively arranged on the substrate; The antenna is connected to the first switch; the first switch is connected to the second switch via at least one signal receiving channel, each signal receiving channel is provided with a frequency selection filter; the second switch is used to connect to a radio frequency transceiver; The first switch and the second switch are respectively connected to the communication interface, and the communication interface is used to receive control instructions to control the working states of the first switch and the second switch.

2. The antenna receiving module according to claim 1, characterized in that: The first switch and the second switch are of the same type and are both configured as single-pole multi-throw switches, so that the first switch is connected to the second switch through multiple signal receiving channels.

3. The antenna receiving module according to claim 2, characterized in that: The frequency selection frequency bands of the frequency selection filters corresponding to at least two of the multiple signal receiving channels are different.

4. The antenna receiving module according to claim 1, characterized in that: The antenna receiving module also includes: a first power amplifier; The antenna is connected to the first switch via the first power amplifier, and the first power amplifier is connected to the communication interface; Wherein, the communication interface is used to provide working power for the first power amplifier.

5. The antenna receiving module according to any one of claims 1 to 4, characterized in that: The substrate is a flexible circuit board.

6. A terminal device, characterized in that: include: A processor, a radio frequency transceiver, and an antenna receiving module as claimed in any one of claims 1 to 5; The radio frequency transceiver is connected to the second switch of the antenna receiving module, and the processor is connected to the communication interface of the antenna receiving module.

7. The terminal device according to claim 6, characterized in that: The terminal device also includes a third switch; The second switch is communicatively connected to the third switch, and the third switch is connected to the RF transceiver via at least one signal transmission channel; The number of the signal receiving channels matches the number of the signal transmission channels.

8. The terminal device according to claim 7, characterized in that: The radio frequency transceiver is equipped with a second power amplifier, and the second power amplifier is matched and arranged in a one-to-one correspondence with the signal transmission channel.

9. The terminal device according to claim 7, characterized in that: The second switch and the third switch establish a communication connection via a radio frequency connection component; The RF connection component includes a first RF coaxial connector, a RF coaxial cable and a second RF coaxial connector; the second switching switch is connected to the first RF coaxial connector, the first RF coaxial connector is connected to one end of the RF coaxial cable, the other end of the RF coaxial cable is connected to the second RF coaxial connector, and the second RF coaxial connector is connected to the third switching switch.

10. The terminal device according to any one of claims 7 to 9, characterized in that: The antenna receiving module and the third switching switch are both provided in plurality, and the plurality of antenna receiving modules and the plurality of third switching switches are arranged one by one in a relative manner; Among them, the multiple antenna receiving modules at least include a low-frequency antenna receiving module, a medium-frequency antenna receiving module and a high-frequency antenna receiving module.

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