Beidou data transmission terminal

Abstract

The utility model provides a Beidou data transmission terminal, and relates to the technical field of Beidou communication. The data transmission terminal comprises a lower cover body; the upper cover body covers the lower cover body, an installation cavity is defined by the upper cover body and the lower cover body, and a clamping groove is formed in the upper cover body; the circuit assembly comprises a circuit board, the circuit board is arranged in the mounting cavity, a Beidou communication card, a single Beidou positioning module, a Beidou satellite communication module, a mobile communication module and an MCU are arranged on the circuit board, the MCU is electrically connected with the mobile communication module, and the Beidou communication card, the single Beidou positioning module and the Beidou satellite communication module are all electrically connected with the mobile communication module. The single Beidou positioning module and the Beidou satellite communication module are both used for being in communication connection with a Beidou satellite, and the Beidou communication card is arranged in the clamping groove. Satellite communication is achieved through the Beidou communication card, the single Beidou positioning module, the Beidou satellite communication module and the mobile communication module, and stable and convenient information transmission and communication can be achieved under severe conditions.

Description

TECHNICAL FIELD

[0001] The application relates to the field of Beidou communication technology, in particular to a Beidou data transmission terminal. BACKGROUND

[0002] Communication refers to the transmission of information from a sending end to one or more receiving ends through electromagnetic waves, sound waves or light waves loaded by means of wires or wireless, through electric pulses.

[0003] In the prior art, taking mobile communication as an example, a network base station needs to be built in a specific place to form network coverage, so as to realize the communication between the sending end and the receiving end.

[0004] However, the network base station coverage is limited, for example, there is often no signal on the sea or in the mountain area, the communication is easily blocked, or the network base station may be damaged in a disaster, and the information transmission is difficult. CONTENT OF THE INVENTION

[0005] The application provides a Beidou data transmission terminal to solve the problem of poor information transmission caused by limited network base station coverage in the prior art.

[0006] In order to achieve the above purpose, the technical scheme of the application is as follows:

[0007] The application provides a Beidou data transmission terminal, which comprises a lower cover body, an upper cover body, a circuit assembly, a Beidou communication card, a single Beidou positioning module, a Beidou satellite communication module and an MCU.

[0008] In a possible implementation manner, the Beidou data transmission terminal provided by the application embodiment comprises a storage unit, the storage unit is in communication connection with the mobile communication module through CAN, the storage unit is used for storing information received or sent by the mobile communication module, and the MCU is further provided with a reset module.

[0009] In a possible implementation manner, the Beidou data transmission terminal provided by the application embodiment comprises a first signal layer and a second signal layer arranged opposite to the first signal layer, the Beidou communication card and the single Beidou positioning module are arranged on the first signal layer, and the Beidou satellite communication module, the mobile communication module and the MCU are arranged on the second signal layer.

[0010] In one possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application, the circuit component also includes a power supply connector, which is electrically connected to the power supply unit of the MCU, and the power supply connector is used to be plugged into the power supply.

[0011] In one possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application further includes an indication component, which is arranged on a circuit board. The indication component passes through the upper cover and is electrically connected to the single Beidou positioning module, the Beidou satellite communication module and the mobile communication module.

[0012] In one possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application, the indication component includes at least three indicator lights, each indicator light is arranged at intervals on one side of the card slot, and each indicator light is electrically connected to a single Beidou positioning module, a Beidou satellite communication module and a mobile communication module respectively.

[0013] In one possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application further includes a seal, which includes a cover plate and a sealing ring. The sealing ring is arranged around the circumference of the card slot, the cover plate is connected to the sealing ring, and the cover plate is covered on the card slot to seal the card slot.

[0014] In one possible implementation, the Beidou data transmission terminal provided in the embodiment of the present application further includes a first connecting member, which is connected to the upper cover body through the first connecting hole of the cover plate, so that the cover plate and the upper cover body can be detachably connected to open or close the card slot.

[0015] In one possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application further includes a second connecting member and a third connecting member, the second connecting member is connected to the upper cover body through the second connecting hole of the circuit board, and the third connecting member is connected to the upper cover body through the third connecting hole of the lower cover body.

[0016] In a possible implementation, the Beidou data transmission terminal provided in an embodiment of the present application has a hanging part provided on one side of the lower cover.

[0017] The Beidou data transmission terminal provided in the application is provided with: a lower cover body; an upper cover body which is arranged on the lower cover body and cooperates with the lower cover body to form a mounting cavity, and the upper cover body is provided with a clamping groove; a circuit assembly which comprises a circuit board, the circuit board is arranged in the mounting cavity, and the circuit board is provided with a Beidou communication card, a single Beidou positioning module, a Beidou satellite communication module, a mobile communication module and an MCU, the MCU is electrically connected with the mobile communication module, the Beidou communication card, the single Beidou positioning module and the Beidou satellite communication module are electrically connected with the mobile communication module, the single Beidou positioning module and the Beidou satellite communication module are used for being connected with the Beidou satellite in communication, and the Beidou communication card is arranged in the clamping groove. The Beidou communication card, the single Beidou positioning module, the Beidou satellite communication module, the mobile communication module and the MCU are integrated on the circuit board in the mounting cavity formed by the upper cover body and the lower cover body, so that the portability of the Beidou data transmission terminal is enhanced. The MCU is used for powering on the mobile communication module; after the mobile communication module is powered on successfully, the output voltage is used for powering on the Beidou satellite communication module and the single Beidou positioning module; the mobile communication module acquires the positioning data of the single Beidou positioning module, and meanwhile, the Beidou satellite communication module activates the Beidou communication card; the mobile communication module inputs a network access instruction into the Beidou satellite communication module, so that the data transmission terminal is automatically connected with the Beidou satellite, satellite communication is realized, and stable and convenient information transmission and communication can be realized in a relatively poor condition. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings incorporated into the specification and forming a part thereof illustrate embodiments consistent with the present application and, together with the specification, serve to explain the principles of the application.

[0019] Figure 1 The structure explosion schematic view of the Beidou data transmission terminal provided in the embodiment of the application;

[0020] Figure 2 The structure explosion schematic view of the Beidou data transmission terminal provided in the embodiment of the application; Figure 1 The structure schematic view of the first signal layer of the circuit assembly;

[0021] Figure 3 The structure schematic view of the second signal layer of the circuit assembly; Figure 1 The structure schematic view of the second signal layer of the circuit assembly;

[0022] Figure 4 The power-on logic diagram of the Beidou data transmission terminal provided in the embodiment of the application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 10 - power supply;

[0025] 100 - lower cover body; 111 - mounting cavity;

[0026] 200 - upper cover body; 211 - clamping groove;

[0027] 300 - circuit assembly;

[0028] 310 - Beidou communication card

[0029] 320 - Single Beidou positioning module

[0030] 330 - Beidou satellite communication module

[0031] 340 - Mobile communication module

[0032] 350 - MCU

[0033] 360 - Reset module

[0034] 370 - Power supply connector

[0035] 400 - Indicating assembly

[0036] 410 - Indicating light

[0037] 500 - Sealing member

[0038] 510 - Cover plate

[0039] 520 - Sealing ring

[0040] 600 - Hanging connector

[0041] 700 - First connecting member

[0042] 800 - Second connecting member

[0043] 900 - Third connecting member

[0044] The specific embodiments of the application have been shown by the above-described drawings, and will be described in more detail hereinafter. These drawings and the written description are not intended to restrict the scope of the concept of the application in any way, but to illustrate the concept of the application for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0045] The exemplary embodiments will be described in detail herein with reference to the attached drawings. The following description is made with reference to the accompanying drawings in which like reference numerals refer to like elements, unless the context clearly shows otherwise. The following description of exemplary embodiments is not representative of all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the appended claims.

[0046] It should be noted that in the description of the embodiments of the present application, the terms indicating the orientation or positional relationship of "upper", "lower", "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, and are only for the convenience of description, and do not indicate or imply that the device or component must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0047] In addition, it should also be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so the features with "first", "second" can explicitly or implicitly include one or more of the features, and in the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0048] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0049] First, the related concepts or terms involved in the present application are explained:

[0050] MCU: Microcontroller Unit (MCU), also known as single-chip microcomputer or single-chip microprocessor or micro-processing module, is to reduce the frequency and specifications of the Central Process Unit (CPU), and integrate memory, counters, USB, A / D conversion, UART, PLC, DMA and other peripheral interfaces, even LCD drive circuit on a single chip, forming a chip-level computer, for different application scenarios Different combination control.

[0051] CAN: Controller Area Network (CAN, Controller Area Network) is a serial communication protocol bus for real-time applications, which can use twisted pair to transmit signals, for example, CAN protocol can be used for communication between various elements in the automobile.

[0052] Communication refers to loading information by electromagnetic waves, sound waves or light waves through electric pulses from a sending end to one or more receiving ends in a wired or wireless manner. In the prior art, taking mobile communication as an example, a network base station needs to be built in a specific place to form network coverage to realize communication between the sending end and the receiving end. However, the network base station coverage is limited, such as no signal on the sea or in the mountains, communication is easily blocked, or the network base station may be damaged in a disaster, and information transmission is difficult.

[0053] Therefore, the application provides a Beidou data transmission terminal, which comprises a lower cover body, an upper cover body, a circuit assembly, a Beidou communication card, a single Beidou positioning module, a Beidou satellite communication module, a mobile communication module and an MCU. The upper cover body is arranged on the lower cover body and cooperates with the lower cover body to form a mounting cavity. The upper cover body is provided with a clamping groove. The circuit assembly comprises a circuit board. The circuit board is arranged in the mounting cavity. The circuit board is provided with the Beidou communication card, the single Beidou positioning module, the Beidou satellite communication module, the mobile communication module and the MCU. The MCU is electrically connected with the mobile communication module. The Beidou communication card, the single Beidou positioning module and the Beidou satellite communication module are electrically connected with the mobile communication module. The single Beidou positioning module and the Beidou satellite communication module are used for communication connection with a Beidou satellite. The Beidou communication card is arranged in the clamping groove. The Beidou communication card, the single Beidou positioning module, the Beidou satellite communication module, the mobile communication module and the MCU are integrated on the circuit board in the mounting cavity formed by the upper cover body and the lower cover body, thereby enhancing the portability of the Beidou data transmission terminal. The Beidou communication card, the single Beidou positioning module, the Beidou satellite communication module and the mobile communication module are used for satellite communication, so that stable and convenient information transmission and communication can be realized in a relatively harsh condition.

[0054] The application will be described in detail below in combination with specific embodiments. Figures 1 to 4 The application will be described in detail below in combination with specific embodiments.

[0055] The application provides a Beidou data transmission terminal, which comprises a lower cover body 100, an upper cover body 200, a circuit assembly 300, a Beidou communication card 310, a single Beidou positioning module 320, a Beidou satellite communication module 330, a mobile communication module 340 and an MCU 350. The upper cover body 200 is arranged on the lower cover body 100 and cooperates with the lower cover body 100 to form a mounting cavity 111. The upper cover body 200 is provided with a clamping groove 211. The circuit assembly 300 comprises a circuit board. The circuit board is arranged in the mounting cavity 111. The circuit board is provided with the Beidou communication card 310, the single Beidou positioning module 320, the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350. The MCU 350 is electrically connected with the mobile communication module 340. The Beidou communication card 310, the single Beidou positioning module 320 and the Beidou satellite communication module 330 are electrically connected with the mobile communication module 340. The single Beidou positioning module 320 and the Beidou satellite communication module 330 are used for communication connection with a Beidou satellite. The Beidou communication card 310 is arranged in the clamping groove 211.

[0056] Specifically, the lower cover body 100 is square-shaped and made of impact-resistant and corrosion-resistant materials, such as aluminum alloy or engineering plastic. The upper cover body 200 is arranged on the lower cover body 100, and the two together enclose the mounting cavity 111, and the circuit assembly 300 is mounted in the mounting cavity 111.

[0057] The upper cover body 200 is provided with a card slot 211 for accommodating the Beidou communication card 310. For example, a cover plate is arranged on the card slot 211, and the Beidou communication card 310 is inserted into the card slot 211 by opening the cover plate, so that the Beidou communication card 310 is connected with the circuit board. The upper cover body 200 has a protrusion groove, and the lower cover body 100 has a recess groove, the protrusion groove and the recess groove are matched to fix the upper cover body 200 and the lower cover body 100. In addition, the lower cover body 100 is also provided with four holes, which are connected with the holes by self-tapping screws, so as to lock and reinforce the upper cover body 200 and the lower cover body 100.

[0058] The circuit board is provided with the Beidou communication card 310, the single Beidou positioning module 320, the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350.

[0059] Taking the Beidou satellite communication module 330 as a Beidou No. 3 satellite communication module and the mobile communication module 340 as a 4G module as an example. The 4G module obtains the positioning information of the single Beidou positioning module 320 through a serial port, and the positioning information can be altitude, latitude and longitude, etc. The circuit board has a front surface and a back surface, and the front surface is provided with the Beidou communication card 310, the single Beidou positioning module 320 and the indicator light module. The indicator light module is electrically connected with the indicator light, and the change of the indicator light represents the positioning, communication and power state. The number of indicator lights is three, one indicator light is electrically connected with the Beidou communication card 310, another indicator light is electrically connected with the single Beidou positioning module 320, and the other indicator light is electrically connected with the 4G module. Among them, the circuit board is also provided with an antenna interface, which is electrically connected with the single Beidou positioning module 320 and the Beidou No. 3 satellite communication module, so as to realize the communication connection with the Beidou satellite. The Beidou No. 3 satellite communication module and the Beidou communication card 310 realize the uplink and downlink with the Beidou satellite, that is, realize the sending and receiving of information.

[0060] The mobile communication module 340 obtains the positioning information of the single Beidou positioning module 320 through a serial port and sends it to the Beidou communication card 310. The Beidou communication card 310 receives the information of the Beidou satellite or sends the information to the Beidou satellite through the Beidou No. 3 satellite communication module. It should be noted that the mobile communication module 340 can be a 4G module, a 5G module, etc., and the embodiments of the present application do not limit this.

[0061] When the mobile communication module 340 is a 4G module, the power-on sequence of the circuit board is as follows: first, the power supply voltage is input, the MCU 350 is powered on, the MCU 350 outputs voltage 2 to power on the 4G module; after the 4G module is successfully powered on, the program in the operating system is automatically executed; voltage 3 is output to the Beidou-3 satellite communication module and the single Beidou positioning module 320, and the power-on is successful; the program in the operating system of the 4G module actively pulls the positioning data of the single Beidou positioning module 320 through the serial port, and the Beidou-3 satellite communication module activates the Beidou communication card 310; the program in the 4G module automatically inputs the network access instruction to the Beidou-3 satellite communication module through the serial port, so that the data transmission terminal automatically connects the Beidou satellite.

[0062] The Beidou data transmission terminal in the embodiment of the application integrates the Beidou communication card 310, the single Beidou positioning module 320, the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350 on the circuit board in the installation cavity 111 formed by the upper cover body 200 and the lower cover body 100 together, thereby enhancing the portability of the Beidou data transmission terminal. The MCU 350 is used to power on the mobile communication module; after the mobile communication module is successfully powered on, the output voltage is used to power on the Beidou-3 satellite communication module and the single Beidou positioning module 320; the mobile communication module 340 acquires the positioning data of the single Beidou positioning module 320, and the Beidou satellite communication module 330 activates the Beidou communication card 310; the mobile communication module 340 inputs the network access instruction to the Beidou satellite communication module 330, so that the data transmission terminal automatically connects the Beidou satellite, realizes satellite communication, and the Beidou communication card 310, the single Beidou positioning module 320, the Beidou satellite communication module 330 and the mobile communication module 340 realize satellite communication, thereby realizing relatively stable and convenient information transmission and communication in a relatively harsh condition.

[0063] In a possible implementation manner, the Beidou data transmission terminal provided by the embodiment of the application further includes a storage unit, the storage unit is in communication connection with the mobile communication module 340 through the CAN, the storage unit is used to store the information received or transmitted by the mobile communication module 340, and the MCU 350 is further provided with a reset module 360, and the reset module 360 is used for power supply reset.

[0064] Specifically, the MCU 350 includes a storage unit, and the mobile communication module 340 stores the collected CAN data to the storage unit in a periodic cycle manner through the SDIO. The MCU 350 is further provided with a reset module 360, which is used for re-powering after power failure. In the embodiment, the mobile communication module 340 adopts an open network architecture, i.e., an OPEN scheme, which allows third-party developers to develop applications and services based on the network architecture. The mobile communication module 340 is equipped with a micro operating system, supports C language programming or other language programming, so that the developers can use C language or other languages to develop applications for the mobile communication module 340 on the micro operating system, thereby expanding the functions and service range of the module.

[0065] In some embodiments, when the Beidou communication module 330 or the single Beidou positioning module 320 appears an abnormal condition, the mobile communication module 340 can determine the abnormal condition through program logic and re-power through the reset module 360.

[0066] When the mobile communication module 340 is a 4G module, the vehicle supplies power to the Beidou data transmission terminal, and the power-on logic of the Beidou data transmission terminal is as follows: taking the vehicle body constant power, the MCU 350 is powered on first, then the 4G module, the Beidou communication card 310 and the single Beidou positioning module 320 are powered on, and finally the Beidou satellite communication module 330 is powered on, so as to facilitate the Beidou data transmission terminal to enter a normal networking ready state and realize automatic data transmission of the data transmission terminal with the satellite.

[0067] In some embodiments, the MCU is one, and one SDRAM is externally connected. The SDRAM is a computer memory type, i.e., a synchronous dynamic random access memory, which can receive and return data in the same clock cycle. The MCU controls the power-on of the 4G module and the CAN chip, connects with the ECU of the engine through the CAN interface, and obtains the engine data of the vehicle body; the indicator light 410 is LED1, LED2 and LED3, which respectively represent positioning, satellite communication and CAN communication, and the bright green is normal and the light is off is abnormal; the Beidou communication module 330 and the single Beidou positioning module 310 are powered on by the 4G module; and the 4G module stores the collected CAN data to the storage unit in a periodic cycle manner through the SDIO.

[0068] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the application includes a first signal layer and a second signal layer arranged opposite to the first signal layer, the Beidou communication card 310 and the single Beidou positioning module 320 are arranged on the first signal layer, and the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350 are arranged on the second signal layer.

[0069] Specifically, the side of the circuit board facing the upper cover body 200 is a first signal layer, and the Beidou communication card 310 and the single Beidou positioning module 320 are arranged on the first signal layer. The side of the circuit board facing the lower cover body 100 is a second signal layer, and the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350 are arranged on the second signal layer. The Beidou communication card 310, the single Beidou positioning module 320, the Beidou satellite communication module 330, the mobile communication module 340 and the MCU 350 are integrated on the circuit board, so that the size of the Beidou data transmission terminal is reduced, and the portability of the Beidou data transmission terminal is improved.

[0070] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the present application further includes a power supply connector 370, the power supply connector 370 is electrically connected with the power supply unit of the MCU 350, and the power supply connector 370 is used for plugging with the power supply 10.

[0071] Specifically, the power supply connector 370 is arranged on one side of the circuit board, the power supply connector is electrically connected with the power supply unit of the MCU 350, and the power supply connector 370 is plugged with the power supply 10. The power supply 10 can be a mobile power supply or a fixed power supply. The power supply connector 370 facilitates quick plugging with the power supply 10, and provides power supply for the Beidou data transmission terminal.

[0072] In some embodiments, the Beidou data transmission terminal is arranged on a vehicle machine, the power supply connector 370 is plugged with the power supply of the vehicle machine, and the vehicle machine provides power supply for the Beidou data transmission terminal. The MCU 350 supports CAN protocol communication, can be matched for different models, the application of the Beidou data transmission terminal is more flexible, message sending and receiving control are performed through CAN communication, and fast and efficient interconnection application of the Beidou data transmission terminal and the vehicle machine is realized.

[0073] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the present application further includes an indication assembly 400, the indication assembly 400 is arranged on the circuit board, and the indication assembly 400 passes through the upper cover body 200 and is electrically connected with the single Beidou positioning module 320, the Beidou satellite communication module 330 and the mobile communication module 340.

[0074] In the embodiment of the present application, the indication assembly 400 facilitates intuitive observation of whether the positioning of the Beidou data transmission terminal, satellite communication and CAN communication are normal. The indication assembly 400 includes a plurality of light guide columns, each light guide column is electrically connected with the single Beidou positioning module 320, the Beidou satellite communication module 330 and the mobile communication module 340 respectively. The indication assembly 400 is bright green to indicate normal, the light is off to indicate abnormal, and the light is flickering to indicate data interaction.

[0075] The Beidou data transmission terminal provided by the embodiment of the present application comprises at least three indicator lamps 410, each of which is arranged at one side of the card slot 211, and each of the indicator lamps 410 is electrically connected with the single Beidou positioning module 320, the Beidou satellite communication module 330 and the mobile communication module 340 respectively.

[0076] Specifically, one of the indicator lamps 410 is electrically connected with the single Beidou positioning module 320, and indicates whether the positioning is normal through the indicator lamp 410; another one of the indicator lamps 410 is electrically connected with the Beidou satellite communication module 330, and indicates whether the satellite communication is normal; and the other one of the indicator lamps is electrically connected with the mobile communication module 340, and indicates whether the communication between the mobile communication module 340 and the MCU 350 is normal, wherein the mobile communication module 340 can communicate with the MCU 350 through CAN. It can be understood that the indicator lamps 410 are bright or dark, which facilitates direct observation of whether the Beidou data transmission terminal is normal, for example, a bright green light indicates that the positioning, satellite communication and CAN communication are normal, and a dark light indicates that the positioning, satellite communication and CAN communication are abnormal.

[0077] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the present application further comprises a sealing member 500, the sealing member 500 comprises a cover plate 510 and a sealing ring 520, the sealing ring 520 is arranged around the periphery of the card slot 211, the cover plate 510 is connected with the sealing ring 520, and the cover plate 510 is arranged on the card slot 211 to seal the card slot 211.

[0078] The cover plate 510 is arranged on the sealing ring 520 to close the card slot 211, so as to protect the Beidou communication card 310 in the card slot 211. The material of the cover plate 510 is not limited in the embodiment of the present application, for example, the cover plate 510 can be a metal plate or a plastic plate, so as to protect the internal electronic components from the external environment. The sealing ring 520 is arranged around the periphery of the card slot 211, the cover plate 510 is connected with the sealing ring 520, and the cover plate 510 is arranged on the card slot 211 to seal the card slot 211. The material of the sealing ring 520 can be rubber or silicone.

[0079] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the present application further comprises a first connecting member 700, the first connecting member 700 passes through a first connecting hole of the cover plate 510 and is connected with the upper cover body 200, so that the cover plate 510 and the upper cover body 200 are detachably connected, so as to open or close the card slot 211.

[0080] Specifically, the first connecting member 700 is connected with the upper cover body 200 through the first connecting hole of the cover plate 510, so that the cover plate 510 is arranged on the card slot 211, thereby closing the card slot 211 and protecting the Beidou communication card 310 in the card slot 211, and the Beidou communication card 310 is fixed firmly. The first connecting member 700 is disconnected with the upper cover body 200 by leaving the first connecting hole of the cover plate 510, so that the cover plate 510 opens the card slot 211. The number of the first connecting member 700 is not limited in the embodiment of the application. For example, the number of the first connecting member 700 is four, and each first connecting member 700 is arranged on the circumferential side of the cover plate 510. The first connecting member 700 can be a self-tapping screw.

[0081] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the application further includes a second connecting member 800 and a third connecting member 900. The second connecting member 800 is connected with the upper cover body 200 through the second connecting hole of the circuit board, and the third connecting member 900 is connected with the upper cover body 200 through the third connecting hole of the lower cover body 100.

[0082] The third connecting member 900 can be a self-tapping screw, and the third connecting hole is arranged on the lower cover body 100. The self-tapping screw is connected with the upper cover body 200 through the third connecting hole, so as to fix the lower cover body 100 and the upper cover body 200 firmly and form a protective shell. The number of the third connecting member 900 is not limited in the embodiment of the application. For example, the number of the third connecting member 900 is four, and correspondingly, the number of the third connecting hole is also four. Each third connecting hole is arranged on the circumferential side of the lower cover body 100.

[0083] In a possible implementation, the Beidou data transmission terminal provided by the embodiment of the application is provided with a hanging member 600 on one side of the lower cover body 100.

[0084] The hanging member 600 includes a hanging body and two reinforcing members. The two reinforcing members are arranged on the hanging body oppositely. The hanging body is arranged on one side of the lower cover body 100. One end of the reinforcing member is connected with the hanging body, and the other end is connected with the lower cover body 100. The reinforcing member can be a reinforcing rib. The hanging body is provided with a hanging hole. The whole Beidou data transmission terminal is fixed through the hanging hole, and the portability of the Beidou data transmission terminal is improved. The shape of the hanging hole can be trapezoidal.

[0085] The number of the hanging member 600 is not limited in the embodiment of the application. For example, the number of the hanging member 600 can be two. The two hanging members 600 are arranged on the two sides of the hanging body oppositely.

[0086] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0087] It is to be understood that the application is not limited to the precise construction hereinafter described and as shown in the attached drawings, and that various changes in form and detail can be made therein without departing from the scope thereof. The scope of the application is limited only by the claims which follow.

Claims

1. A Beidou data transmission terminal, characterized in that: include: Lower cover (100); An upper cover body (200) is arranged on the lower cover body (100) and together with the lower cover body (100) forms a mounting cavity (111), and the upper cover body (200) is provided with a card slot (211); A circuit assembly (300) comprises a circuit board, the circuit board being arranged in the mounting cavity (111), the circuit board being provided with a Beidou communication card (310), a single Beidou positioning module (320), a Beidou satellite communication module (330), a mobile communication module (340) and an MCU (350), the MCU (350) being electrically connected to the mobile communication module (340), the Beidou communication card (310), the single Beidou positioning module (320) and the Beidou satellite communication module (330) being electrically connected to the mobile communication module (340), the single Beidou positioning module (320) and the Beidou satellite communication module (330) being both used for communication connection with a Beidou satellite, and the Beidou communication card (310) being arranged in the card slot (211).

2. The Beidou data transmission terminal according to claim 1, characterized in that: The MCU (350) includes a storage unit, the storage unit is communicatively connected to the mobile communication module (340) via a CAN, the storage unit is used to store information received or sent by the mobile communication module (340), and the MCU (350) is also provided with a reset module (360), the reset module (360) is used for power supply reset.

3. The Beidou data transmission terminal according to claim 1, characterized in that: The circuit board comprises a first signal layer and a second signal layer arranged opposite to the first signal layer; the Beidou communication card (310) and the single Beidou positioning module (320) are arranged on the first signal layer; and the Beidou satellite communication module (330), the mobile communication module (340) and the MCU (350) are arranged on the second signal layer.

4. The Beidou data transmission terminal according to claim 1, characterized in that: The circuit assembly (300) further comprises a power supply connector (370), wherein the power supply connector (370) is electrically connected to the power supply unit of the MCU (350), and the power supply connector (370) is used for connecting to a power supply (10).

5. The Beidou data transmission terminal according to any one of claims 1 to 4, characterized in that: The system further comprises an indication component (400), which is arranged on the circuit board, passes through the upper cover (200) and is electrically connected to the single Beidou positioning module (320), the Beidou satellite communication module (330) and the mobile communication module (340).

6. The Beidou data transmission terminal according to claim 5, characterized in that: The indicating assembly (400) comprises at least three indicating lights (410), each indicating light (410) being arranged at intervals on one side of the card slot (211), and each indicating light (410) being electrically connected to the single Beidou positioning module (320), the Beidou satellite communication module (330), and the mobile communication module (340).

7. The Beidou data transmission terminal according to any one of claims 1 to 4, characterized in that: The device further comprises a sealing member (500), wherein the sealing member (500) comprises a cover plate (510) and a sealing ring (520), wherein the sealing ring (520) is arranged around the peripheral side of the card slot (211), the cover plate (510) is connected to the sealing ring (520), and the cover plate (510) is arranged on the card slot (211) to seal the card slot (211).

8. The Beidou data transmission terminal according to claim 7, characterized in that: The invention also includes a first connecting member (700), which is connected to the upper cover body (200) through a first connecting hole of the cover plate (510), so that the cover plate (510) and the upper cover body (200) can be detachably connected to open or close the card slot (211).

9. The Beidou data transmission terminal according to any one of claims 1 to 4, characterized in that: The invention also includes a second connecting member (800) and a third connecting member (900), wherein the second connecting member (800) is connected to the upper cover body (200) through the second connecting hole of the circuit board, and the third connecting member (900) is connected to the upper cover body (200) through the third connecting hole of the lower cover body (100).

10. The Beidou data transmission terminal according to any one of claims 1 to 4, characterized in that: A hanging part (600) is provided on one side of the lower cover (100).

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