Communication switching system for positioning base station and self-moving equipment

Abstract

The utility model discloses a communication switching system of a positioning base station and a self-moving device, the positioning base station comprises a first positioning module, a first control module, a first antenna module and a first radio frequency module, the first control module is respectively and electrically connected with the first positioning module and the first radio frequency module; the first antenna module is electrically connected with the first radio frequency module, the first positioning module is used for determining first positioning information of the self-moving equipment, and the first control module is used for controlling the first radio frequency module to switch one antenna, communicating with the self-moving equipment, in the first antenna module to another antenna in the first antenna module. An antenna in the first antenna module is used for transmitting first positioning information to the self-moving device. According to the scheme, the first control module can control the first radio frequency module to switch out the antenna which stably communicates with the self-moving equipment in the first antenna module according to the strength of the signal, so that the self-moving equipment works after receiving stable positioning information, and finally, the communication effect of the self-moving equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a self -moving device technical field especially, it relates to a positioning base station and self -moving device communication switching system. BACKGROUND

[0002] Self -moving device as a kind of high degree of intelligence degree equipment, can be applied to multiple yard scene, such as grass cutting scene and snow scene, in these outdoor applications, to ensure that self -moving device and the effective communication between positioning base station, both need to be equipped with antenna. However, the current challenge is that the antenna used alone is omnidirectional antenna, there is the problem of signal coverage area is large but signal coverage distance is insufficient, the antenna used alone is directional antenna, there is the problem of signal coverage distance is sufficient but signal coverage area is small, further influence the communication effect of self -moving device.

[0003] Therefore, the person skilled in the art needs to find a new technical solution to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a positioning base station and self -moving device communication switching system to solve the problem that the antenna used alone is omnidirectional antenna, there is the problem of signal coverage area is large but signal coverage distance is insufficient, and the antenna used alone is directional antenna, there is the problem of signal coverage distance is sufficient but signal coverage area is small.

[0005] To achieve the above object, a positioning base station is provided, the positioning base station includes first positioning module, first control module, first antenna module and first radio frequency module, the first control module is electrically connected with the first positioning module and the first radio frequency module respectively, the first antenna module is electrically connected with the first radio frequency module, the first positioning module is used to determine the first positioning information of self -moving device, the first control module is used to control the first radio frequency module switches the antenna in the first antenna module and self -moving device communication to another antenna in the first antenna module, the antenna in the first antenna module is used to transmit the first positioning information to the self -moving device.

[0006] Optionally, the first positioning module includes output signal line, the first radio frequency module includes input, and the first control module is electrically connected with the output signal line and the input respectively.

[0007] Optionally, the positioning base station further includes power supply, and the power supply is electrically connected with the first positioning module and the first radio frequency module respectively.

[0008] Optionally, the first radio frequency module comprises an antenna output port and a radio frequency switch, the first antenna module comprises a connector, and the antenna output port is connected to the connector in parallel through the radio frequency switch.

[0009] Optionally, the antenna output port and the connector are electrically connected through a coaxial cable.

[0010] Optionally, the first control module controls the first radio frequency module to switch one antenna in the first antenna module communicating with the self-moving device to another antenna in the first antenna module according to the strength of the signal.

[0011] Optionally, the types of antennas in the first antenna module include one of Lora antenna, Wi-Fi antenna, Halow antenna, 4G antenna and 5G antenna, and the number of antennas of the same type in the first antenna module is multiple, and the signal coverage areas of each antenna are different.

[0012] To achieve the above-mentioned purpose, a self-moving device communication switching system is provided, which comprises a positioning base station and a self-moving device; the self-moving device comprises a wireless communication module, and the wireless communication module is used to receive first positioning information transmitted by a first antenna module in the positioning base station.

[0013] Optionally, the self-moving device further comprises a second positioning module, the second positioning module is used to determine second positioning information of the self-moving device, and the first positioning information and the second positioning information are used together to determine final position information of the self-moving device.

[0014] To achieve the above-mentioned purpose, a self-moving device communication switching system is provided, which comprises a positioning base station and a self-moving device, the self-moving device comprises a second control module, a second positioning module, a second antenna module and a second radio frequency module, the second control module is electrically connected with the second positioning module and the second radio frequency module respectively, the second antenna module is electrically connected with the second radio frequency module, the second positioning module is used to determine second positioning information of the self-moving device, and the second control module is used to control the second radio frequency module to switch one antenna in the second antenna module communicating with the positioning base station to another antenna in the second antenna module.

[0015] The positioning base station and the self-moving device communication switching system, the positioning base station comprises a first positioning module, a first control module, a first antenna module and a first radio frequency module, the first control module is electrically connected with the first positioning module and the first radio frequency module respectively, the first antenna module is electrically connected with the first radio frequency module, the first positioning module is used for determining the first positioning information of the self-moving device, the first control module is used for controlling the first radio frequency module to switch one antenna in the first antenna module which communicates with the self-moving device to another antenna in the first antenna module, and the antennas in the first antenna module are used for transmitting the first positioning information to the self-moving device. The first control module in the technical solution can control the first radio frequency module to switch the antenna which stably communicates with the self-moving device in the first antenna module according to the strength of the signal, ensure that the antenna communication has the advantages of large signal coverage area and long distance transmission, and complete the information interaction between the positioning base station and the self-moving device through the antenna, ensure that the self-moving device works after receiving the stable positioning information, and finally improve the communication effect of the self-moving device. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to these drawings without creative labor for those skilled in the art.

[0017] Figure 1 is a schematic view of the positioning base station in an embodiment of the present application;

[0018] Figure 2 is a schematic view of the self-moving device communication switching system in an embodiment of the present application;

[0019] Figure 3 is another schematic view of the self-moving device communication switching system in an embodiment of the present application.

[0020] In the figure: 1, positioning base station; 101, first positioning module; 1011, output signal line; 102, first control module; 103, first antenna module; 1031, connector; 104, first radio frequency module; 1041, input end; 1042, antenna output port; 1043, radio frequency switch; 105, power supply; 106, coaxial cable; 2, self-moving device communication switching system; 3, self-moving device; 301, wireless communication module; 302, second positioning module; 303, second antenna module; 304, second radio frequency module; 305, second control module; 4, antenna. DETAILED DESCRIPTION

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0022] It should be understood that this invention can be embodied in various forms and should not be construed as being limited to the embodiments set forth herein. Rather, providing these embodiments will make the disclosure thorough and complete, and will fully convey the scope of this invention to those skilled in the art.

[0023] To fully understand this utility model, detailed structures and steps will be presented in the following description to illustrate the technical solution proposed by this utility model. Preferred embodiments of this utility model are described in detail below; however, in addition to these detailed descriptions, this utility model may have other embodiments.

[0024] like Figure 1 As shown, this embodiment provides a positioning base station 1, which includes a first positioning module 101, a first control module 102, a first antenna module 103, and a first radio frequency module 104. The first control module 102 is electrically connected to the first positioning module and the first radio frequency module 104, respectively. The first antenna module 103 is electrically connected to the first radio frequency module 104. The first positioning module is used to determine the first positioning information of the self-moving device 3. The first control module 102 is used to control the first radio frequency module 104 to switch one antenna 4 in the first antenna module 103 that communicates with the self-moving device 3 to another antenna 4 in the first antenna module 103. The antenna 4 in the first antenna module 103 is used to transmit the first positioning information to the self-moving device 3.

[0025] The first positioning module 101 can be an RTK positioning module (obtaining satellite feedback GPS data through an RTK antenna on a positioning base station), and can also include other modules with the same positioning function, which will not be listed here; the first control module 102 can be a Microcontroller Unit, which can appropriately reduce the frequency and specifications of the CPU, and can realize the function of terminal control by peripheral interfaces such as Memory, Timer, USB, A / D conversion, UART, PLC, DMA, etc.; the first antenna module 103 is a hardware used for receiving and / or transmitting wireless signals (such as GPS signals, Wi-Fi signals, Bluetooth signals, etc.) in an electronic device, mainly including various types of antennas 4, each type of antenna 4 can communicate with the self-moving device 3; the first radio frequency module 104 can amplify, filter and demodulate the electrical signals passing through the radio frequency front-end circuit, and finally convert them into digital signals for use by the self-moving device 3, and the first radio frequency module 104 can select signals that can communicate with the self-moving device 3 according to the strength of the signals, that is, select the corresponding antenna 4 to communicate with the self-moving device 3;

[0026] In the embodiment, the first control module 102 can control the first radio frequency module 104 to switch out the antenna 4 in the first antenna module 103 that can stably communicate with the self-moving device 3 according to the strength of the signals, so as to ensure that the antenna 4 communication has the advantages of large signal coverage area and long distance transmission, and complete the information interaction between the positioning base station 1 and the self-moving device 3 through the antenna 4, so as to ensure that the self-moving device 3 can work after receiving stable positioning information, and finally improve the communication effect of the self-moving device 3.

[0027] As shown in Figure 1 In an embodiment, the first positioning module 101 includes an output signal line 1011, the first radio frequency module 104 includes an input end 1041, and the first control module 102 is electrically connected with the output signal line and the input end 1041 respectively.

[0028] The output signal line 1011 can be a differential signal line, and the input end 1041 can be a signal input end 1041. In the connection process, the matching and impedance control of the signal line need to be involved to ensure that the loss of the signal in the transmission process is minimized. In addition, the first control module 102 is arranged between the first positioning module and the first radio frequency module 104, one end of the first control module 102 can be electrically connected with the output signal line, and the other end of the first control module 102 can be electrically connected with the input end 1041.

[0029] As shown in Figure 1As shown, in one embodiment, the positioning base station 1 further includes a power supply 105, which is connected to the first positioning module and the first radio frequency module 104 for power supply.

[0030] The positioning base station 1 is equipped with a power supply 105. The power supply line of the power supply 105 (not shown) can be electrically connected to the first positioning module and the first radio frequency module 104. At the same time, the first positioning module and the first radio frequency module 104 are equipped with a ground wire (not shown) connected to the ground. In addition, the power supply line (not shown) needs to keep a distance from the signal line during the connection process to avoid signal interference.

[0031] like Figure 1 As shown, in one embodiment, the first radio frequency module 104 includes an antenna output port 1042, and the first antenna module 103 includes a connector 1031 and a radio frequency switch 1043. The antenna output port 1042 is connected in parallel with the connector 1031 through the radio frequency switch 1043.

[0032] The antenna output port 1042 can be the ANT terminal of the first RF module 104, and the connector 1031 can be an SMA or BNC connector. When the connector 1031 is connected to the antenna output port 1042, the center pin and the outer shell of the connector 1031 are respectively connected to the ANT terminal and the ground terminal of the first RF module 104 and the first antenna module 103. In addition, when the antenna 4 of the first antenna module 103 and the RF switch 1043 are in parallel, one RF switch 1043 can be electrically connected to one antenna 4 of the first antenna module 103. When one antenna 4 of the first antenna module 103 needs to be used, the corresponding RF switch 1043 is in the closed state, and the RF switches 1043 corresponding to other antennas 4 are in the open state.

[0033] In this embodiment, the antenna output port 1042 is connected in parallel with the connector 1031 through the radio frequency switch 1043. The wire 4 in the first antenna module 103, which is electrically connected to the first radio frequency module 104, can be switched out through the radio frequency switch 1043.

[0034] like Figure 1 As shown, in one embodiment, the antenna output port 1042 and the connector 1031 are electrically connected via a coaxial cable 106.

[0035] One end of the coaxial cable 106 is connected to the connector 1031 of the first radio frequency module 104, and the other end is connected to the connector 1031 of the first antenna module 103. During the connection process, it is necessary to ensure that the center conductor and shielding layer of the coaxial cable 106 are connected to the center pin and the outer shell of the connector 1031 respectively.

[0036] likeFigure 1 As shown, in an embodiment, the first control module 102 controls the first radio frequency module 104 to switch the antenna 4 in the first antenna module 103 corresponding to the self-moving device to another antenna 4 in the first antenna module 103 according to the switching signal.

[0037] Wherein, the signal frequency bands of each type of antenna 4 are consistent, but the signal strengths between the antennas 4 are inconsistent, and the signal strengths corresponding to the signals are the basis for switching the antennas 4, and the first radio frequency module 104 determines the antenna 4 of the self-moving device 3 with the strongest wireless connection signal corresponding to the antenna 4 (one of the multiple antennas 4 under the same type of antenna 4) to realize stable information transmission.

[0038] In an embodiment, the antennas 4 in the first antenna module 103102 include one of Lora antennas (not shown in the figure), Wi-Fi antennas (not shown in the figure), Halow antennas (not shown in the figure), 4G antennas (not shown in the figure), and 5G antennas (not shown in the figure); the number of antennas of the same type in the first antenna module 103 is multiple, and the signal coverage areas of each antenna 4 are different.

[0039] Wherein, the Lora antenna (not shown in the figure) is a device for receiving and sending Lora signals, widely used in long-distance, low-power data transmission of Internet of Things (IoT) devices; the Wi-Fi antenna (not shown in the figure) is usually an omnidirectional antenna, which can achieve a wider coverage in the horizontal direction; the Halow antenna (not shown in the figure) usually refers to an antenna supporting Wi-Fi HaLow technology; the 4G antenna (not shown in the figure) is used for signal reception and transmission of 4G network, maintaining a wide application basis, especially in areas with weak network coverage; the 5G antenna (not shown in the figure) is an important part of the 5G network, used for receiving and sending 5G signals, with higher data transmission speed and low delay; the number of antennas in the first antenna module 103 is not fixed (each type of antenna 4 can be multiple, such as multiple Lora antennas, after selecting a type of antenna, other types of antennas 4 can not be set), and the number of antennas can be determined according to the coverage range, such as setting four Lora antennas in the up, down, left and right directions or setting four Wi-Fi antennas in the up, down, left and right directions, each antenna 4 has its corresponding antenna coverage range, and it should be noted that each antenna 4 is a directional antenna, and four directional antennas can together form an omnidirectional antenna.

[0040] As Figure 3As shown, the embodiment provides a self-moving device communication switching system 2, comprising a positioning base station 1 and a self-moving device 3; the self-moving device 3 comprises a wireless communication module 301, which is used for receiving first positioning information transmitted by a first antenna module 103 in the positioning base station 1.

[0041] Wherein, the wireless communication module 301 can be correspondingly arranged with the antennas in the first antenna module 103, for example, the wireless communication module 301 comprises multiple modules selected from Lora module, Wi-Fi module, Halow module, 4G module and 5G module, and the self-moving device 3 receives the first positioning information transmitted by the positioning base station 1 through the antenna 4 in the first antenna module 103 wirelessly connected by the wireless communication module 301.

[0042] As shown, Figure 2 In an embodiment, the self-moving device 3 further comprises a second positioning module 302, which is used for determining second positioning information of the self-moving device 3, and the first positioning information and the second positioning information are used together to determine final position information of the self-moving device 3.

[0043] Wherein, the second positioning module 302 arranged in the self-moving device 3 has the same function as the first positioning module 101, and the positioning information collected by the two positioning modules can be processed by difference to obtain the final position information of the self-moving device 3.

[0044] As shown, Figure 3 The embodiment further provides a self-moving device communication switching system 2, comprising a positioning base station 1 and a self-moving device 3, the self-moving device comprises a second control module 305, a second positioning module 302, a second antenna module 303 and a second radio frequency module 304, the second control module 305 is electrically connected with the second positioning module 302 and the second radio frequency module 304 respectively, the second antenna module 303 is electrically connected with the second radio frequency module 304, the second positioning module 302 is used for determining second positioning information of the self-moving device 3, and the second control module 305 is used for controlling the second radio frequency module 304 to switch one antenna 4 in the second antenna module 303 used for communication with the positioning base station 1 to another antenna 4 in the second antenna module 302.

[0045] Wherein, on the self-moving device 3, a second positioning module 302, a second antenna module 303 and a second radio frequency module 304 corresponding to the positioning base station 1 can also be arranged, the corresponding functions of the second positioning module 302, the second antenna module 303 and the second radio frequency module 304 are consistent with those of the first positioning module 101, the first antenna module 103 and the first radio frequency module 104, and the second radio frequency module 304 corresponding to the switchable antenna 4 is also arranged on the self-moving device 3, and the self-moving device 3 and the positioning base station 1 can jointly determine the antenna 4 with the most stable communication signal, so as to ensure the working efficiency of the self-moving device 3.

[0046] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A positioning base station, characterized by The positioning base station comprises a first positioning module, a first control module, a first antenna module and a first radio frequency module, the first control module is electrically connected with the first positioning module and the first radio frequency module respectively, the first antenna module is electrically connected with the first radio frequency module, the first positioning module is used for determining the first positioning information of the mobile device, the first control module is used for controlling the first radio frequency module to switch one antenna in the first antenna module which communicates with the mobile device to another antenna in the first antenna module, and the antenna in the first antenna module is used for transmitting the first positioning information to the mobile device.

2. A positioning base station as claimed in claim 1, characterized in that The first positioning module comprises an output signal line, the first radio frequency module comprises an input end, and the first control module is electrically connected with the output signal line and the input end respectively.

3. A positioning base station as claimed in claim 1, characterized in that The positioning base station further comprises a power supply, and the power supply is connected with the first positioning module and the first radio frequency module for power supply respectively.

4. The positioning base station of claim 1 wherein, The first radio frequency module comprises an antenna output port and a radio frequency switch, the first antenna module comprises a connector, and the antenna output port is connected with the connector in parallel through the radio frequency switch.

5. A positioning base station as claimed in claim 4, characterized in that The antenna output port and the connector are electrically connected through a coaxial cable.

6. A positioning base station as in claim 1, wherein, The first control module controls the first radio frequency module to switch one antenna in the first antenna module which communicates with the mobile device to another antenna in the first antenna module according to the strength of the signal.

7. A positioning base station as claimed in any one of claims 1 to 6, characterized in that The types of the antennas in the first antenna module comprise one of a Lora antenna, a Wifi antenna, a Halow antenna, a 4G antenna and a 5G antenna, and the number of antennas of the same type in the first antenna module is multiple, and the signal coverage areas of the antennas are different.

8. A system for communication handover for self-moving devices, the system comprising: The positioning base station and the mobile device are connected, the mobile device comprises a wireless communication module, and the wireless communication module is used for receiving the first positioning information transmitted by the first antenna module of the positioning base station.

9. The system of claim 8, wherein, The mobile device further comprises a second positioning module, the second positioning module is used for determining the second positioning information of the mobile device, and the first positioning information and the second positioning information are used for determining the final position information of the mobile device together.

10. A system for communication handover in self-moving devices, characterized in that, The positioning base station and the mobile device are connected, the mobile device comprises a second control module, a second positioning module, a second antenna module and a second radio frequency module, the second control module is electrically connected with the second positioning module and the second radio frequency module respectively, the second antenna module is electrically connected with the second radio frequency module, the second positioning module is used for determining the second positioning information of the mobile device, and the second control module is used for controlling the second radio frequency module to switch one antenna in the second antenna module which communicates with the positioning base station to another antenna in the second antenna module.

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