Electronic equipment, Beidou-based ship positioning device and its application

Abstract

The present invention discloses an electronic device, a Beidou-based ship positioning device and applications thereof. This solution provides a device for preventing electronic device disassembly or triggering alarm information generation by means of a permanent magnet and a Hall element combined with an installation component. After being loaded with a communication unit, the device can realize remote alarm when the electronic device is disassembled. When it is applied to a ship positioning device, it can prevent criminals from disassembling and evading positioning monitoring by electronic devices. This solution also proposes an early warning mechanism for judging whether the solar panel is blocked based on the situation that the electronic device is equipped with a solar panel, which provides positive feedback for the power endurance reliability of the device during use; at the same time, this solution also proposes a mechanism for monitoring the whereabouts of the ship and judging the contact risk by means of the communication unit and the Beidou positioning unit, which provides new ideas and directions for the contact risk assessment after the ship goes to sea. This solution is reliable to implement and has good market application prospects.

Description

Technical Field

[0001] The present invention relates to the fields of positioning equipment technology, equipment anti-dismantling structure and ship whereabouts risk assessment technology, and in particular to electronic equipment, Beidou-based ship positioning devices and applications thereof. Background Art

[0002] At present, the main method of maritime whereabouts inspection in towns and villages is to set up service posts at designated berths and docks, conduct manual inspections, and implement the port entry and exit reporting system. In this way, when boat people engage in private transactions at sea or ships contact each other on their own or are in distress at sea, it is difficult for grid inspection personnel to discover. Therefore, some ships use positioning devices to record and monitor whereabouts. Most existing positioning monitoring devices use solar panels for auxiliary power supply and positioning equipment, which include solar panels, rechargeable batteries for energy storage, positioning and communication units. In this way, the positioning device can send a location signal to the service agency. In terms of anti-dismantling, the disassembly alarms of most positioning monitoring devices are mainly physical buttons, which can easily lead to some illegal personnel using technical means to dismantle and transfer in order to circumvent positioning monitoring. Therefore, positioning monitoring devices using physical buttons are difficult to meet the control requirements of the maritime review environment under certain circumstances.

[0003] In other sectors, anti-tampering solutions also primarily rely on physical buttons. For example, an in-vehicle ETC device is affixed to the windshield with strong glue. Once installed, the button presses against the windshield, activating the device. When the device is removed, the button releases and deactivates the device. However, this approach is not suitable for ships, as they are primarily constructed of wood or iron panels, which are not as flat as automotive glass. Furthermore, localized thermal expansion and contraction, as well as marine erosion, can easily loosen physical buttons and cause false alarms.

[0004] In addition, the current monitoring of a ship's whereabouts is often based on the information recorded by its positioning to determine its whereabouts. However, it is difficult to directly obtain and determine whether a ship has come into contact with a risky ship while at sea through the whereabouts monitoring data. Therefore, how to improve the installation reliability of ship positioning devices and make full use of ship positioning data and whereabouts information to monitor and evaluate whether there are risks in its whereabouts is a very practical topic. Summary of the Invention

[0005] In view of this, the purpose of the present invention is to propose an electronic device with simple structure, reliable disassembly warning and convenient installation, a Beidou-based ship positioning device and its application.

[0006] In order to achieve the above technical objectives, the technical solution adopted by the present invention is:

[0007] An electronic device comprising:

[0008] The outer shell is a shell structure with an installation cavity formed inside;

[0009] A mainboard is fixed in the mounting cavity, and the mainboard is provided with an MCU processor and a Hall element;

[0010] A power supply, fixed in the mounting cavity and connected to the mainboard, for supplying the mainboard with power required for operation;

[0011] It also includes:

[0012] A mounting assembly connected to one end surface of the housing, used to assist in mounting the housing on an external support;

[0013] a permanent magnet, fixed to the mounting assembly and used to generate a magnetic field that can be sensed by the Hall element;

[0014] The solar cell panel is arranged on the end surface of the housing away from the mounting assembly and is connected to the mainboard.

[0015] As a possible embodiment, further, the housing described in this solution includes a first shell and a second shell, the first shell and the second shell are both concave shell structures, and the open surfaces of the two concave shell structures are fixedly connected to each other to form an installation cavity, and the end surface of the first shell away from the second shell is connected to the installation assembly; the solar cell panel is arranged on the end surface of the second shell away from the first shell.

[0016] As a preferred implementation option, preferably, in this solution, two pairs of positioning columns are provided on the end face of the first shell away from the second shell, and the mounting assembly is provided with positioning holes corresponding to the two pairs of positioning columns. The positioning columns are connected to the positioning holes through a first connecting member to fix the outer shell on the mounting assembly.

[0017] As a preferred implementation option, preferably, the shell described in this solution also includes a sealed middle frame, which is an annular structure adapted to the concave open surface structure of the first shell and the second shell. The first shell and the second shell are fixedly connected to clamp the sealed middle frame.

[0018] As a preferred implementation option, preferably, a ventilation valve is also provided on the first shell of this solution, one end of the ventilation valve is inserted into the installation cavity, and the other end of the ventilation valve is exposed outside the first shell, and the first shell is provided with an avoidance through hole corresponding to the ventilation valve.

[0019] As a preferred structural form of the installation component, the installation component described in this solution includes:

[0020] A base, one end face of which is opposite to one end face of the housing, and two sides of the other end face of which are provided with extensions, each of which is provided with an arc groove with a semi-arc structure;

[0021] The first connecting block is in a semi-arc structure and the number thereof corresponds to that of the extension part one by one. Both sides of the first connecting block are detachably connected to both sides of the arc-shaped groove of the extension part, so that the first connecting block and the extension part enclose a clamping area for clamping connection with an external support.

[0022] The second connecting blocks are a pair and are oppositely arranged on the other end face of the base. On both sides of one end face of the base, there are profiling sunk grooves adapted to the structure of the second connecting blocks. The second connecting blocks are accommodated in the profiling sunk grooves. And on the side face of the base, there is a first connecting hole, and on the corresponding side face of the second connecting block, there is a second connecting hole. The base passes a second connecting member through the first connecting hole and the second connecting hole in sequence to detachably and fixedly connect the second connecting blocks in the profiling sunk grooves of the base. The positioning holes are arranged on both sides of the upper end faces of the pair of second connecting blocks. The first connecting member passes through the positioning holes on the second connecting blocks and is locked and fixed to the positioning posts on the first housing.

[0023] Wherein, on one end face of the base, there is an installation groove corresponding to the Hall element of the main board, and the permanent magnet is arranged in the installation groove.

[0024] As another preferred structural form of the installation component, the installation component in this solution includes:

[0025] The first bracket is in a rectangular shell structure with one end face open. On both sides of its open face, there are connecting pieces. There are first installation holes on the connecting pieces. And the first bracket is installed on an external support by passing a third connecting member through the first installation holes. The end face of the first bracket far from its open face is connected to one end face of the outer shell, and there is a through hole corresponding to the Hall element of the main board on this end face.

[0026] The second bracket is in a "U" shape and is arranged in the rectangular shell structure of the first bracket. There are second installation holes on both sides of it. And the second bracket is installed on an external support by passing a fourth connecting member through the second installation holes. The upper end face of the second bracket is opposite to the through hole. The permanent magnet is arranged on the upper end face of the second bracket and the end thereof far from the second bracket penetrates into the through hole.

[0027] Wherein, the above-mentioned first connecting member, second connecting member, third connecting member, and fourth connecting member are all screws.

[0028] Based on the above, the present invention further provides a Beidou-based ship positioning device, which includes the above-mentioned electronic device; wherein, on the main board, there are also a Beidou positioning unit, a communication unit, an attitude sensor, a memory, and an expansion interface connected to the MCU processor. There is also a magnetic absorption joint on the main board. The first housing is provided with a corresponding profiling avoidance groove corresponding to the magnetic absorption joint, and the magnetic absorption joint is exposed on the profiling avoidance groove.

[0029] Based on the above, the present invention further provides a method for ship tracking monitoring and contact risk assessment, which includes the Beidou-based ship positioning device described above, and the ship positioning device is installed on a ship. The assessment method includes:

[0030] S1. Real-time collection of ship position data, including the ship's latitude and longitude, speed, direction, and attitude;

[0031] S2. Millimeter-wave radar emits 77GHz high-frequency electromagnetic waves to analyze the vessel's surrounding environment, dynamically detect wireless signals around the vessel, and then continuously capture, track, and intercept unknown signals based on the collision characteristics of radio signals to obtain radio signal identification data and millimeter-wave radar detection targets;

[0032] S3, transmitting the collected posture data, radio signal recognition data and millimeter wave radar detection targets to the backend server via wireless network signals;

[0033] S4. The backend server receives the data and combines the current ship's position data, radio signal characteristics, and millimeter-wave radar detection targets to determine whether there is a risk of contact with an unidentified ship based on preset conditions and output the judgment result;

[0034] S5. Based on the judgment results, the ships that have come into contact with the unidentified vessel are marked with a spatiotemporal risk tag, recording the time of contact, position information, radio characteristic attributes of the other vessel, and relative position;

[0035] S6. Screen ships with time and space risks according to preset conditions.

[0036] As a preferred implementation option, preferably, this solution S3 further includes: when the ship is in a wireless network signal disconnected state, recording the radio signal characteristics, signal collision time point, posture data and relative position with the unknown ship offline by means of timestamps to generate offline data; when the ship successfully establishes a connection with the wireless communication network, the offline data is uploaded to the back-end server in the form of a supplementary report;

[0037] In S2, the radio signal detection targets include Wi-Fi signals and mobile cellular signals. By opening the AP wireless access point function and periodically sending beacon frames, it can be actively or passively discovered by wireless clients within a preset range. At the same time, it also receives the client's periodic probe request frames, further identifies the wireless client's characteristic attributes including the MAC address, and then associates and combines them with the ship's posture information and millimeter-wave radar detection targets, stores them in a timestamp format, and finally uploads them to the back-end server according to the preset agreed encoding protocol format.

[0038] In S4, when the back-end server judges the data, it detects the MAC address of an unfamiliar wireless client based on the radio signal. At the same time, when the millimeter-wave radar detects the approach of a ship and cannot couple with a risk-free marked ship within the corresponding time period, it is judged that there is a risk of contact between the current ship and an external ship, and the judgment result is output.

[0039] Based on the above, the present invention further provides a method for feedback on the working status of solar panels, which includes multiple Beidou-based ship positioning devices as described above. The method for feedback on the working status of solar panels includes:

[0040] An analogy method is used to determine solar panel shading. With the device as the center, the solar irradiance of the device within the first radius area is obtained. If the number of devices is less than N, the solar irradiance of the device within the second radius area is obtained. The average solar irradiance of the devices within the area is calculated as the solar irradiance benchmark, and the calculation time is recorded.

[0041] The solar irradiance of the current device is compared with the benchmark solar irradiance of the current period in a time-sharing manner. If it is less than the benchmark value, it is determined that there is a blockage and a blockage alarm is generated.

[0042] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: the present invention cleverly provides a device for preventing electronic device disassembly or triggering alarm information generation by combining a permanent magnet and a Hall element with an installation assembly. After the device is loaded with a communication unit, it can realize remote alarm when the electronic device is disassembled. When applied to a ship positioning device, it can prevent criminals from disassembling the electronic device to circumvent positioning monitoring. At the same time, the combination of the Hall element and the permanent magnet, and the fault tolerance and stability of electromagnetic field induction, can reduce the occurrence of false alarms of disassembly due to the vibration of the ship or the vibration of the support. In addition, based on the situation that the electronic device is equipped with a solar panel, the present invention proposes an early warning mechanism for determining whether the solar panel is blocked, which provides positive feedback for the reliability of the power endurance of the device during use. At the same time, the present invention also proposes a mechanism for monitoring the whereabouts of the ship and judging the contact risk by using the communication unit and the Beidou positioning unit, which provides a new idea and direction for the contact risk assessment after the ship goes to sea. The implementation of the scheme is reliable and has good market application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only 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.

[0044] Figure 1 This is one of the schematic diagrams of the implementation structure of Example 1 of the present invention;

[0045] Figure 2 This is a partial cross-sectional schematic diagram of a simplified implementation structure of Example 1 of the present invention;

[0046] Figure 3 This is a partially exploded schematic diagram of a simplified implementation structure of Example 1 of the present invention;

[0047] Figure 4 This is a brief exploded diagram of the housing, mainboard, and power supply of Example 1 of the present invention;

[0048] Figure 5 This is the second schematic diagram of the simplified implementation structure of Example 1 of the present invention;

[0049] Figure 6 This is one of the simplified two-dimensional schematic diagrams of the electronic device according to the second embodiment of the present invention;

[0050] Figure 7 This is one of the simplified exploded diagrams of the separation of the housing and the mounting assembly according to Example 2 of the present invention;

[0051] Figure 8 Schematic diagram of the matching position relationship between the housing and the mounting assembly of Example 2 of the present invention;

[0052] Figure 9 Schematic diagram of the exploded structure of Example 2 of the present invention, wherein the screws used for connection are not shown;

[0053] Figure 10 is a simplified cross-sectional schematic diagram of embodiment 2 of the present invention after the housing and the mounting assembly are separated;

[0054] Figure 11 1 is a simplified exploded schematic diagram of the housing, mainboard, power supply, and mounting components of Example 2 of the present invention;

[0055] Figure 12 This is a schematic diagram of the structure of the housing according to Example 3 of the present invention;

[0056] Figure 13 This is a schematic diagram of the connection relationship of the functional units connected to the mainboard of Example 3 of the present invention;

[0057] Figure 14 1 is a schematic diagram of a simplified flow chart of a method for feedback of a solar panel working state according to a third embodiment of the present invention. DETAILED DESCRIPTION

[0058] The present invention will be described in further detail below with reference to the accompanying drawings and examples. It is particularly noted that the following examples are intended only to illustrate the present invention and are not intended to limit the scope of the present invention. Similarly, the following examples are only some embodiments of the present invention and are not intended to be exhaustive. All other embodiments obtained by those of ordinary skill in the art without creative effort are intended to fall within the scope of protection of the present invention.

[0059] Example 1

[0060] like Figures 1 to 4 As shown in FIG. 1 , this embodiment provides an electronic device 1, which includes:

[0061] The housing 11 is a shell structure, and a mounting cavity 111 is formed therein;

[0062] A mainboard 12 is fixed in the mounting cavity, and an MCU processor and a Hall element 121 are provided on the mainboard 12;

[0063] The power supply 13 is fixed in the mounting cavity 111 and connected to the mainboard 12 and is used to supply the power required for the mainboard 12 to operate;

[0064] It also includes:

[0065] A mounting assembly 2 connected to one end surface of the housing 11, used to assist in mounting the housing 11 on an external support;

[0066] A permanent magnet 3 is fixed to the mounting assembly 2 and is used to generate a magnetic field that can be sensed by the Hall element 121;

[0067] The solar cell panel 14 is arranged on the end surface of the housing away from the mounting assembly and is connected to the main board.

[0068] In order to facilitate the assembly of the shell 11 and the installation components inside the shell 11, the shell 11 described in this solution includes a first shell 113 and a second shell 112. The first shell 113 and the second shell 112 are both concave shell structures, and the open surfaces of the two concave shell structures are fixedly connected to each other to form an installation cavity 111. The end face of the first shell 113 away from the second shell 112 is connected to the installation component 2; the solar cell panel 14 is arranged on the end face of the second shell 112 away from the first shell 113.

[0069] In order to improve the connection convenience between the shell and the mounting component 2, in this solution, two pairs of positioning columns 15 are provided on the end face of the first shell 113 away from the second shell 112, and the mounting component 2 is provided with positioning holes 231 corresponding to the two pairs of positioning columns 15. The positioning columns 15 are connected to the positioning holes 231 through a first connecting member (i.e., a screw, which is a conventional connecting member, not shown in the figure) to fix the shell 11 on the mounting component 2.

[0070] In order to improve the performance of the components in the installation cavity 111, as a better implementation option, preferably, the shell 11 described in this solution also includes a sealed middle frame 114, and the sealed middle frame 114 is an annular structure adapted to the concave open surface structure of the first shell 113 and the second shell 112. The first shell 113 and the second shell 112 are fixedly connected to clamp the sealed middle frame 114.

[0071] In order to prevent abnormalities in components on the mainboard 12 in the outer shell 11 caused by changes in internal and external air pressure, a ventilation valve 16 is further provided on the first shell 113 of this solution. One end of the ventilation valve 16 is inserted into the installation cavity 111, and the other end of the ventilation valve 111 is exposed outside the first shell 113. The first shell 113 is provided with an avoidance through hole 1131 corresponding to the ventilation valve 16, and the upper end surface of the base is also provided with a corresponding avoidance opening 214.

[0072] The mounting assembly 2 of this embodiment is mainly used to mount the housing 11 on a columnar support. Specifically, the mounting assembly 2 of this embodiment includes:

[0073] The base 21 has one end surface facing one end surface of the housing 11, and has two sides of the other end surface provided with extensions 211, each of the extensions 211 having an arc groove 215 of a semi-arc structure;

[0074] The first connecting blocks 22 are semi-arc-shaped and correspond in number to the extensions 211. The two sides of the first connecting blocks 22 are detachably connected to the two sides of the arc-shaped groove 215 of the extension 211, so that the first connecting blocks 22 and the extension 211 together form a clamping area that is clamped to the external support.

[0075] The second connecting blocks 23 are a pair and are relatively arranged on the other end surface of the base 21. Both sides of one end surface of the base 21 are provided with contoured recesses 216 that are adapted to the structure of the second connecting blocks 23. The second connecting blocks 23 are accommodated in the contoured recesses 216, and a first connecting hole 217 is provided on the side of the base 21. A second connecting hole 232 is correspondingly provided on the side of the second connecting block 23. The base 21 passes through the first connecting hole 217 and the second connecting hole 232 in sequence through a second connecting member (such as a screw) to detachably fix the second connecting block 23 in the contoured recesses 216 of the base 21. The positioning holes 231 are provided on both sides of the upper end surfaces of a pair of second connecting blocks 23. The first connecting member passes through the positioning hole 231 on the second connecting block 23 and is locked and fixed to the positioning column 15 on the first shell 113, wherein the positioning hole 231 is a recessed structure adapted to the structure of the positioning column 15.

[0076] One end surface of the base is provided with a mounting groove 212 corresponding to the Hall element 121 of the mainboard 12 , and the permanent magnet 3 is arranged in the mounting groove 212 .

[0077] Under this structure, when the electronic device 1 of this scheme is installed, the positioning column 15 on the first shell 113 of the shell 1 is first matched with the contoured sink 216 on the second connecting block 23 and screwed through the positioning hole 231 on the second connecting block 23 and locked with the positioning column 15 on the first shell 113; the connection between the second connecting block 23 and the shell 11 is completed, and then the second connecting block 23 is placed in the contoured sink 216 of the base 21, and then screwed through the first connecting hole 217 and the second connecting hole 232 to detachably fix the second connecting block 23 in the contoured sink 216 of the base 21, thereby completing the connection between the base 21 and the shell 11. The shell 11 is indirectly detachably fixed. Finally, according to the pre-selected columnar support, the arc groove 215 on the extension part 211 of the base 21 is attached to the surface of the columnar support, and then the first connecting block 22 is matched with the base 21. The first connecting block 22 is provided with a third connecting hole 221, and the extension part 211 is provided with a fourth connecting hole 213 that matches it. The screws are passed through the third connecting hole 221 and the fourth connecting hole 213 in sequence, and the two sides of the first connecting block 22 are detachably connected to the two sides of the arc groove 215 of the extension part 211, so that the first connecting block 22 and the extension part 211 are enclosed and clamped with the external support to complete the installation.

[0078] After the installation is completed, the Hall element 121 on the main board 13 will sense the magnetic field generated by the permanent magnet 3, thereby generating an induction signal. When disassembling, since the connecting screws of the second connecting block 23 and the housing 11 are blocked in the contoured groove 216, it is necessary to first release the cooperation between the base 21 and the second connecting block 23 before the housing 21 and the second connecting block 23 can be taken out. Once the housing 11 and the second connecting block 23 are disassembled, the housing 11 and the main board 12 packaged therein will also move with the disassembly, so that the Hall element 121 is away from the magnetic field generated by the permanent magnet 3, thereby losing the induction signal. At this time, the Hall element 121 on the main board 12 After the MCU processor detects the state change of the Hall element 121, it can determine that the electronic device 1 has been dismantled, and thus can issue an early warning message or record the dismantling information according to the preset conditions; it should be noted that the cases of using the Hall element 121 in conjunction with the permanent magnet 3 to prevent dismantling or record dismantling are currently recorded in many electronic devices. Therefore, the principle will not be described in detail in this embodiment. The key points of this solution are to propose an installation structure for installing the housing 11 of the electronic device 1, and to use the dismantling recording scheme of the Hall element 121 in conjunction with the permanent magnet 3 for marine electronic equipment, especially marine positioning electronic equipment.

[0079] In addition to the above, combined Figure 5 As shown, in this embodiment, an alarm button 4 can also be provided at the position of the second shell 112, which is electrically connected to the main board 12, and through a preset program, pressing the alarm button triggers a remote alarm 12.

[0080] Example 2

[0081] like Figures 6 to 11 As shown in FIG. 1 , this embodiment provides an electronic device 1, which includes:

[0082] The housing 11 is a shell structure, and a mounting cavity 111 is formed therein;

[0083] The mainboard 12 is fixed in the mounting cavity 111 and is provided with an MCU processor and a Hall element 121;

[0084] The power supply 13 is fixed in the mounting cavity 111 and connected to the mainboard 12 and is used to supply the power required for the mainboard 12 to operate;

[0085] In addition, the electronic device 1 of this solution also includes:

[0086] A mounting assembly 2 connected to one end surface of the housing 11, which is used to assist in mounting the housing 11 on an external support, which may be a support surface of a ship or other vehicle;

[0087] A permanent magnet 3 is fixed to the mounting assembly 2 and is used to generate a magnetic field that can be sensed by the Hall element 121;

[0088] The solar cell panel 14 is disposed on the housing 11 and is connected to the mainboard 12 .

[0089] In this solution, the electronic device 1 may be a positioning electronic device, which is used for positioning and recording the whereabouts of a ship.

[0090] In this solution, the main function of the mounting assembly 2 is to provide a stable support and prevent it from being disassembled as a whole. Specifically, the mounting assembly 2 in this solution includes:

[0091] The first bracket 21 is a rectangular housing structure with an open end surface. Connecting pieces 211 are provided on both sides of the open end surface. The connecting pieces 211 are provided with first mounting holes 2111. A third connecting member (e.g., a screw, not shown) is passed through the first mounting holes 2111 to mount the first bracket 21 on an external support. The end surface of the first bracket 21 away from the open end surface is connected to an end surface of the housing 11. A through hole 214 is provided on this end surface corresponding to the Hall element 121 of the mainboard 12.

[0092] The second bracket 22 is in a "Ji" shape and is arranged inside the rectangular housing structure of the first bracket 21. There are second mounting holes 221 on both sides of the second bracket 22. A fourth connecting member (such as a screw, not shown in the figure) passes through the second mounting holes 221 to mount the second bracket 22 on an external support. The upper end surface of the second bracket 22 faces the through hole 214. The permanent magnet 3 is arranged on the upper end surface of the second bracket 22, and the end away from the second bracket 22 penetrates into the through hole 214.

[0093] In this structure, when installing the electronic device of this solution, after confirming the installation positions of the first bracket 21 and the second bracket 22, first pre-install the second bracket 22 and set the permanent magnet 3 on its upper surface. Then, install the housing 11 of the electronic device 1 (where the motherboard 12 and the power supply 13 have been pre-installed) on the first bracket 21, and then install the first bracket 21 on an external support. At this time, the through hole 214 on the first bracket 21 is aligned with the permanent magnet 3 and part of the permanent magnet penetrates into it.

[0094] After the installation is completed, the Hall element 121 on the motherboard 13 will sense the magnetic field generated by the permanent magnet 3 and generate an induction signal. When disassembling, since there is no direct fixed relationship between the first bracket 21 and the second bracket 22, when disassembling, it is necessary to follow the order of first removing the first bracket 21 and then removing the second bracket 2 (because the second bracket 22 is covered inside the rectangular housing structure of the first bracket 21). Once the first bracket 21 is disassembled, the housing 11 and the motherboard 12 encapsulated inside it will also move with the disassembly, making the Hall element 121 away from the magnetic field generated by the permanent magnet 3 and losing the induction signal. At this time, after the MCU processor on the motherboard 12 detects the state change of the Hall element 121, it can judge that the electronic device 1 has been removed, and thus can issue a warning message or record the disassembly information according to the preset conditions; it should be noted that cases of using the Hall element 121 in cooperation with the permanent magnet 3 for anti-disassembly or disassembly recording are currently recorded in many electronic devices. Therefore, the principle will not be elaborated in this embodiment. The key point of this solution is to propose an installation structure for installing the housing 11 of the electronic device 1 and a disassembly recording solution using the cooperation of the Hall element 121 and the permanent magnet 3 for marine electronic devices, especially marine positioning electronic devices.

[0095] It should be noted that the "anti-disassembly" mentioned in this application refers to the difficulty of synchronously disassembling the first bracket 21 and the second bracket 22. When the first bracket 21 and the second bracket 22 cannot be synchronously disassembled, others will give up the idea of disassembling the electronic device for illegal purposes when they know that they cannot bypass the induction cooperation of the Hall element 121 and the permanent magnet 3.

[0096] For the convenience of assembly, the shell 11 described in this solution includes a first shell 113 and a second shell 112. The first shell 113 and the second shell 112 are both concave shell structures, and the open surfaces of the two concave shell structures are fixedly connected to each other to form an installation cavity 111. The end face of the first shell 113 away from the second shell 112 is connected to the first bracket 21.

[0097] In order to facilitate the installation of the shell on the first bracket 21, in this solution, two pairs of positioning columns 15 are provided on the end surface of the first shell 113 away from the second shell 112, and the first bracket 21 is provided with positioning holes 213 corresponding to the two pairs of positioning columns. The positioning columns 15 are connected with the positioning holes 213 through a first connecting member (such as a screw, not shown in the figure) to fix the shell 11 on the first bracket 21. In order to facilitate positioning, the positioning hole 213 of this solution is a countersunk hole. After the positioning column 15 cooperates with it, it is partially immersed in the positioning hole 213, and the first connecting member is inserted from the rectangular shell structure of the first bracket 21 into the positioning hole 213 and is threadedly connected to the positioning column 15 to lock it.

[0098] In this solution, the first connecting member, the second connecting member, and the third connecting member are all screws, and screws are conventional connecting members. Therefore, their connection principles and fixing principles are not described in detail in this embodiment.

[0099] Since most positioning electronic equipment on ships is installed in conspicuous or unobstructed places, the probability and duration of its exposure to sunlight are relatively considerable in this scenario. Therefore, in this solution, the solar panel 14 is arranged on the end face of the second shell 112 away from the first shell 113, and the second shell 112 is also provided with a mounting groove corresponding to the solar panel 14.

[0100] In order to improve the sealing performance of the electronic device 1, the shell 11 described in this solution also includes a sealed middle frame 114. The sealed middle frame 114 is an annular structure that is adapted to the concave open surface structure of the first shell 113 and the second shell 112. The first shell 113 and the second shell 112 are fixedly connected to clamp the sealed middle frame 114. Specifically, connecting columns 1132 and 1121 are provided inside the first shell 113 and the second shell 112. The first shell 113 is screwed through the connecting columns 1132 and the connecting columns 1121 in sequence from the outside to lock the first shell 113 and the second shell 112, and at the same time, the sealed middle frame 114 is clamped and fixed.

[0101] In order to avoid abnormalities in the components on the mainboard 12 in the outer shell 11 caused by changes in internal and external air pressure, a breather valve 16 is also provided on the first shell 112 of this solution. One end of the breather valve 16 is inserted into the installation cavity 111, and the other end of the breather valve 16 is exposed outside the first shell 113. The first shell 113 is provided with an avoidance through hole 1131 corresponding to the breather valve 16; wherein, the breather valve is a stainless steel breathing valve with specification M6, which can maintain the pressure difference between the inside and outside of the shell, reduce the impact of changes in temperature during the day and at night, and ensure the reliability of the equipment operation.

[0102] Example 3

[0103] Combine Figure 12 or Figure 13 As shown, this embodiment further proposes a Beidou-based ship positioning device based on the structure described in the above embodiments 1 and 2, which includes the electronic device described in the above embodiment 1 or embodiment 2; wherein, the main board is also provided with a Beidou positioning unit, a communication unit, a posture sensor, a memory and an expansion interface connected to the MCU processor, and the main board is also provided with a magnetic connector 5, and the first shell is provided with a corresponding contoured avoidance groove 6 corresponding to the magnetic connector, and the magnetic connector 5 is exposed on the contoured avoidance groove 6, so that memory data can be acquired or imported without disassembling the machine, and the shell can be further designed into a more sealed structure.

[0104] Based on the above, this embodiment further provides a method for ship tracking monitoring and contact risk assessment, which includes the Beidou-based ship positioning device described above, and the ship positioning device is installed on a ship. The assessment method includes:

[0105] S1. Real-time collection of ship position data, including the ship's latitude and longitude, speed, direction, and attitude;

[0106] S2. Millimeter-wave radar emits 77GHz high-frequency electromagnetic waves to analyze the vessel's surrounding environment, dynamically detect wireless signals around the vessel, and then continuously capture, track, and intercept unknown signals based on the collision characteristics of radio signals to obtain radio signal identification data and millimeter-wave radar detection targets;

[0107] S3, transmitting the collected posture data, radio signal recognition data and millimeter wave radar detection targets to the backend server via wireless network signals;

[0108] S4. The backend server receives the data and combines the current ship's position data, radio signal characteristics, and millimeter-wave radar detection targets to determine whether there is a risk of contact with an unidentified ship based on preset conditions and output the judgment result;

[0109] S5. Based on the judgment results, the ships that have come into contact with the unidentified vessel are marked with a spatiotemporal risk tag, recording the time of contact, position information, radio characteristic attributes of the other vessel, and relative position;

[0110] S6. Screen ships with time and space risks according to preset conditions.

[0111] Among them, this solution S3 also includes: when the ship is in a state of wireless network signal disconnection, the radio signal characteristics, signal collision time point, posture data and relative position with the unknown ship are recorded offline by timestamp to generate offline data. When the ship successfully establishes a connection with the wireless communication network, the offline data is uploaded to the back-end server in the form of a supplementary report.

[0112] In addition, in S2, the radio signal detection objects include Wi-Fi signals and mobile cellular signal detection. By opening the AP wireless access point function and periodically sending beacon frames, it can be actively or passively discovered by wireless clients within a preset range. At the same time, it also receives the probe request frames sent by the client regularly, further identifies the wireless client characteristic attributes including the MAC address, and then associates and combines them with the ship posture information and millimeter-wave radar detection targets, stores them in the form of timestamps, and finally uploads them to the back-end server according to the preset agreed coding protocol format.

[0113] In terms of risk judgment, in this solution S4, when the back-end server judges the data, if it detects the MAC address of an unfamiliar wireless client based on the radio signal, and the millimeter-wave radar detects the approach of a ship and cannot couple with a risk-free marked ship within the corresponding time period, it is judged that there is a risk of contact between the current ship and an external ship, and the judgment result is output.

[0114] like Figure 14 As shown, based on the above, this embodiment further provides a method for feedback on the working status of solar panels, which includes multiple Beidou-based ship positioning devices as described above. The method for feedback on the working status of solar panels includes:

[0115] Use the analogy method to determine solar panel shading. With the device as the center, obtain the solar irradiance of the device within the first radius area. If the number of devices is less than N (for example, 3), obtain the solar irradiance of the device within the second radius area. Calculate the average solar irradiance of the devices within the area as the solar irradiance benchmark and record the calculation time.

[0116] The solar irradiance of the current device is compared with the benchmark solar irradiance of the current period in a time-sharing manner. If it is less than the benchmark value, it is determined that there is a blockage and a blockage alarm is generated.

[0117] The above descriptions are only some embodiments of the present invention and do not limit the scope of protection of the present invention. Any equivalent device or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A Beidou-based ship positioning device, comprising: The outer shell is a shell structure with an installation cavity formed inside; A mainboard is fixed in the mounting cavity, and the mainboard is provided with an MCU processor and a Hall element; A power supply, fixed in the mounting cavity and connected to the mainboard, for supplying the mainboard with power required for operation; It is characterized by further comprising: A mounting assembly connected to one end surface of the housing and used to assist in mounting the housing on an external support; A permanent magnet, fixed to the mounting assembly and used to generate a magnetic field that can be sensed by the Hall element; A solar cell panel is arranged on an end surface of the housing away from the mounting assembly and connected to the mainboard; The housing includes a first shell, the first shell is provided with two pairs of positioning posts facing each other, the mounting assembly is provided with positioning holes corresponding to the positioning posts, and the positioning posts are connected to the positioning holes through a first connecting member; The installation components include: The base has one end face opposite to one end face of the housing, and the other end face is provided with extensions on both sides, and the extensions are provided with arc grooves; one end face of the base is provided with a mounting groove corresponding to the Hall element, and the permanent magnet is arranged in the mounting groove; The first connecting blocks are arranged in a one-to-one correspondence with the extensions, and the two sides of the first connecting blocks are detachably connected to the two sides of the arcuate groove of the extension, so that the first connecting blocks and the extensions together form a clamping area that is clamped to the external support; The second connecting block is a pair and is relatively arranged on the other end face of the base. A contoured groove adapted to the structure of the second connecting block is provided on both sides of one end face of the base. The second connecting block is accommodated in the contoured groove. A first connecting hole is provided on the side face of the base, and a second connecting hole is correspondingly provided on the side face of the second connecting block. The base passes through the first connecting hole and the second connecting hole in sequence through the second connecting member to detachably and fixedly connect the second connecting block to the contoured groove. The positioning holes are provided on both sides of the upper end faces of the pair of second connecting blocks. The first connecting member passes through the positioning holes on the second connecting block and is locked and fixed to the positioning column on the first shell.

2. The Beidou-based ship positioning device according to claim 1, characterized in that: The outer shell includes a first shell and a second shell, both of which are concave shell structures, and the open surfaces of the two concave shell structures are fixedly connected to each other to form an installation cavity, and the end surface of the first shell away from the second shell is connected to the installation assembly; the solar cell panel is arranged on the end surface of the second shell away from the first shell.

3. The Beidou-based ship positioning device according to claim 2, characterized in that: The housing further includes a sealing middle frame, which is an annular structure adapted to the concave open surface structure of the first shell and the second shell. The first shell and the second shell are fixedly connected to clamp and fix the sealing middle frame. The first shell is further provided with a ventilation valve, one end of which penetrates into the installation cavity, and the other end of which is exposed outside the first shell. The first shell is provided with an avoidance through hole corresponding to the ventilation valve.

4. The Beidou-based ship positioning device according to any one of claims 1 to 3, characterized in that: The main board is also provided with a Beidou positioning unit, a communication unit, an attitude sensor, a memory and an expansion interface connected to the MCU processor. The main board is also provided with a magnetic connector. The first shell is provided with a corresponding contoured avoidance groove corresponding to the magnetic connector, and the magnetic connector is exposed on the contoured avoidance groove.

5. A method for monitoring ship movement and assessing contact risk, characterized in that: It includes the Beidou-based ship positioning device according to any one of claims 1 to 4, the ship positioning device is mounted on a ship, and the evaluation method includes: S1. Real-time collection of ship position data, including the ship's latitude and longitude, speed, direction, and attitude; S2. Millimeter-wave radar emits 77GHz high-frequency electromagnetic waves to analyze the vessel's surrounding environment, dynamically detect wireless signals around the vessel, and then continuously capture, track, and intercept unknown signals based on the collision characteristics of radio signals to obtain radio signal identification data and millimeter-wave radar detection targets; S3, transmitting the collected posture data, radio signal recognition data and millimeter wave radar detection targets to the backend server via wireless network signals; S4. The backend server receives the data and combines the current ship's position data, radio signal characteristics, and millimeter-wave radar detection targets to determine whether there is a risk of contact with an unidentified ship based on preset conditions and output the judgment result; S5. Based on the judgment results, the ships that have come into contact with the unidentified vessel are marked with a spatiotemporal risk tag, recording the time of contact, position information, radio characteristic attributes of the other vessel, and relative position; S6. Screen ships with time and space risks according to preset conditions.

6. The method for ship movement monitoring and contact risk assessment according to claim 5, characterized in that: S3 also includes: when the ship is in a wireless network signal disconnected state, recording the radio signal characteristics, signal collision time point, posture data and relative position with the unknown ship offline by means of timestamps to generate offline data; when the ship successfully establishes a connection with the wireless communication network, the offline data is uploaded to the backend server in the form of a supplementary report; In S2, the radio signal detection targets include Wi-Fi signals and mobile cellular signals. By opening the AP wireless access point function and periodically sending beacon frames, it can be actively or passively discovered by wireless clients within a preset range. At the same time, it also receives the client's periodic probe request frames, further identifies the wireless client's characteristic attributes including the MAC address, and then associates and combines them with the ship's posture information and millimeter-wave radar detection targets, stores them in a timestamp format, and finally uploads them to the back-end server according to the preset agreed encoding protocol format. In S4, when the back-end server judges the data, it detects the MAC address of an unfamiliar wireless client based on the radio signal. At the same time, when the millimeter-wave radar detects the approach of a ship and cannot couple with a risk-free marked ship within the corresponding time period, it is judged that there is a risk of contact between the current ship and an external ship, and the judgment result is output.

7. A method for feedback of the working status of a solar panel, characterized by: It includes a plurality of Beidou-based ship positioning devices according to any one of claims 1 to 4, and the solar panel working status feedback method includes: An analogy method is used to determine solar panel shading. With the device as the center, the solar irradiance of the device within the first radius area is obtained. If the number of devices is less than N, the solar irradiance of the device within the second radius area is obtained. The average solar irradiance of the devices within the area is calculated as the solar irradiance benchmark, and the calculation time is recorded. The solar irradiance of the current device is compared with the benchmark solar irradiance of the current period in a time-sharing manner. If it is less than the benchmark value, it is determined that there is a blockage and a blockage alarm is generated.

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