CN213365040U

CN213365040U - Position data acquisition and transmission device

Info

Publication number: CN213365040U
Application number: CN202021759718.6U
Authority: CN
Inventors: 宁磊; 梅逢城; 洪启俊; 徐颖诗; 陈梦雨; 郭桂源
Original assignee: Shenzhen Technology University
Current assignee: Shenzhen Technology University
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-06-04
Anticipated expiration: 2030-08-20

Abstract

The utility model discloses a position data gathers and transmission device, including control module and with this control module electric connection's SIM card module, serial communication module and antenna module. The SIM card module is used for network registration of the control module, the serial port communication module is used for realizing connection of a serial port of the control module and a USB interface of the upper computer, and further realizes software code burning, running and debugging of the control module through the upper computer, thereby simplifying the running and debugging complexity of the whole device, and the antenna module is used for acquiring and transmitting position data. According to the utility model discloses position data acquisition and transmission device, with all module integrations on a module, realized position data's acquisition, processing and transmission function, and control module can move under the low-power mode for whole device has the characteristics that the size is little, the low-power consumption, and is convenient for move and debug.

Description

Position data acquisition and transmission device

Technical Field

The utility model belongs to the technical field of thing networking data acquisition technique and specifically relates to a position data acquisition and transmission device is related to.

Background

Due to the development of the internet of things technology, logistics, travel, single vehicle sharing, online and offline combined consumption and other services increasingly depend on position data of network nodes and information mining behind the data. The existing position data acquisition device is mainly an intelligent terminal or a high-performance specific terminal, and generally comprises a position data acquisition hardware module, a position data processing hardware module and a position data sending hardware module. The position data acquisition hardware module adopts GNSS positioning chips or modules such as a GPS and a Beidou satellite system; the position data processing hardware module adopts a singlechip; the position data sending hardware module generally adopts a wireless communication chip or module such as 4G, WiFi, bluetooth and the like. Such a position data acquisition device has the disadvantages of large size and high power consumption, and cannot be applied to a position data acquisition scene facing a mass of non-biological objects or animal groups.

In addition, the firmware download and operation testing of the existing position data acquisition device are generally communicated with the upper computer through the serial port of the position data processing hardware module, the interfaces of the firmware download and operation testing are usually different, most of the upper computers cannot directly communicate with the serial port of the position data processing hardware module, and the firmware download and operation testing are realized through a specific downloader and a level shifter. That is, the firmware download and operation debugging of the conventional position data acquisition device require two intermediate devices to be connected for communication with an upper computer, which increases the complexity of device debugging and operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a position data acquisition and transmission device has characteristics that the size is little, the low power dissipation, and easily debugging and operation.

According to the utility model discloses position data acquisition and transmission device, include: a control module; the SIM card module is electrically connected with the control module and is used for network registration of the control module; the input end of the serial port communication module is electrically connected with the serial port of the control module, and the output end of the serial port communication module is electrically connected with the USB interface of the upper computer; and the antenna module is electrically connected with the control module and is used for receiving and transmitting the position data.

According to the utility model discloses position data acquisition and transmission device has following beneficial effect at least: the SIM card module is used for network registration of the control module, the serial port communication module is used for realizing connection of a serial port of the control module and a USB interface of the upper computer, and further realizes software code burning, running and debugging of the control module through the upper computer, and the running and debugging complexity of the whole device is simplified. According to the utility model discloses position data acquisition and transmission device, with all module integrations on a module, realized position data's acquisition, processing and transmission function, and control module can move under the low-power mode for whole device has the characteristics that the size is little, the low-power consumption, and the device is convenient for move and debug.

According to some embodiments of the utility model, still include power module, power module with control module electric connection.

According to some embodiments of the invention, the power supply module comprises: the input end of the direct current voltage reduction chip is connected with a 5V power supply end; the output end of the direct current voltage reduction chip is electrically connected with the input end of the filter circuit, and the output end of the filter circuit is connected with a 3.3V power supply end; the input end of the voltage stabilizing circuit is connected with the 3.3V power supply end, the output end of the voltage stabilizing circuit is grounded, and the connection point of the voltage stabilizing circuit and the 3.3V power supply end is electrically connected with the control module through a resistor R2.

According to some embodiments of the utility model, still include the button module, the button module with control module electric connection.

According to some embodiments of the invention, the key module comprises: one end of the key switch S1 is grounded through a resistor R4, and the other end of the key switch S1 is electrically connected with a reset pin of the control module; one end of the key switch S2 is grounded through a resistor R7, and the other end of the key switch S2 is electrically connected with a PSM mode enable end of the control module; one end of the key switch S3 is grounded through a resistor R10, and the other end of the key switch S3 is electrically connected with a power on/off pin of the control module.

According to some embodiments of the utility model, the SIM card module includes the SIM cassette, the SIM cassette is used for inserting corresponding SIM card, the power end VCC of SIM cassette with control module electric connection, the reset pin RST of SIM cassette pass through resistance R16 with control module electric connection, the clock pin CLK of SIM cassette pass through resistance R17 with control module electric connection, the data input/output IO of SIM cassette pass through resistance R19 with control module electric connection.

According to some embodiments of the present invention, the SIM card module further comprises an electrostatic protection unit, the power source terminal VCC, the reset pin RST, the clock pin CLK, and the data input/output terminal I/O of the SIM card holder respectively with the electrostatic protection unit electric connection.

According to the utility model discloses a some embodiments, serial communication module includes: the input end of the bidirectional level conversion unit is electrically connected with the control module; the input end of the serial port to USB unit is electrically connected with the output end of the bidirectional level conversion unit; and the input end of the USB terminal is electrically connected with the output end of the serial port-to-USB unit, and the output end of the USB terminal is electrically connected with the USB interface.

According to the utility model discloses a some embodiments, serial communication module still includes the static protective tube, the static protective tube with USB terminal electric connection.

According to some embodiments of the present invention, the antenna module comprises: the output end of the GNSS positioning antenna circuit is electrically connected with the control module, and the input end of the GNSS positioning antenna circuit is used for receiving position data; the input end of the RF antenna circuit is electrically connected with the control module, and the output end of the RF antenna circuit is used for sending the position data to a cloud platform or receiving control information issued by the cloud platform and sending the control information to the control module.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a block diagram of a position data collecting and transmitting device according to an embodiment of the present invention;

fig. 2 is a pin connection diagram of the BC20 module according to the embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a power supply module according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a SIM card module according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a first part of a serial port communication module according to an embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a second part of a serial port communication module according to an embodiment of the present invention;

fig. 7 is a schematic circuit diagram of a key module according to an embodiment of the present invention;

fig. 8 is a schematic circuit diagram of an antenna module according to an embodiment of the present invention.

Reference numerals:

the device comprises a control module 100, a SIM card module 200, an electrostatic protection unit 210, a SIM card socket 220, a serial communication module 300, a bidirectional level conversion unit 310, a serial to USB unit 320, a USB terminal 330, a first indicator light circuit 340, a second indicator light circuit 350, an electrostatic protection tube 360, a power supply module 400, a direct current buck chip 410, a filter circuit 420, a third indicator light circuit 430, a voltage stabilizing circuit 440, a key module 500, an antenna module 600, a GNSS positioning antenna circuit 610, an RF antenna circuit 620, an upper computer 700 and a cloud platform 800.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If any description to first, second and third is only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, according to the embodiment of the present invention, a position data collecting and transmitting device includes a control module 100, and a SIM card module 200 electrically connected to the control module 100, a serial communication module 300, and an antenna module 600. The SIM card module 200 is configured to perform network registration of the control module 100, the input end of the serial communication module 300 is electrically connected to the serial port of the control module 100, the output end of the serial communication module 300 is electrically connected to the USB interface of the upper computer 700, so as to implement communication between the control module 100 and the upper computer 700, and the antenna module 600 is configured to receive and transmit position data.

Specifically, as shown in fig. 2, the control module 100 adopts an NB-IoT module BC20, and a BC20 module has a GNSS chip built therein, integrates communication and positioning functions, and supports an embedded processing unit and a programmable custom function. The BC20 module is used as the control module 100 of the position data acquisition and transmission device, the SIM card module 200 is used for network registration of the control module 100, then the serial port of the control module 100 is connected with the USB interface of the upper computer 700 through the serial port communication module 300, and then the software code burning, running and debugging of the control module 100 are realized through the upper computer 700, the running and debugging complexity of the whole device is simplified, and the antenna module 600 is used for acquiring and transmitting position data. According to the utility model discloses position data acquisition and transmission device can acquire position data, handle position data and transmit position data, and whole device has the characteristics that the size is little, and the BC20 module can move under the low-power mode for the consumption of whole device is lower, and the device is convenient for move and debugging moreover.

As shown in fig. 1, in some embodiments of the present invention, the device further includes a power supply module 400, the power supply module 400 is electrically connected to the control module 100, and the power supply module 400 is used to supply power to the whole position data collecting and transmitting device.

As shown in fig. 3, in some embodiments of the present invention, the power supply module 400 includes a dc voltage reduction chip 410, a filter circuit 420 and a voltage stabilizing circuit 440, the input end of the dc voltage reduction chip 410 is connected to the 5V power end, the output end of the dc voltage reduction chip 410 is electrically connected to the input end of the filter circuit 420, the output end of the filter circuit 420 is connected to the 3.3V power end, the input end of the voltage stabilizing circuit 440 is connected to the 3.3V power end, the output end of the voltage stabilizing circuit 400 is grounded, and the connection point of the voltage stabilizing circuit 440 and the 3.3V power end passes through the resistor R2 and the. Specifically, the dc buck chip 410 may be an RT8059GJ5 chip, but is not limited to this chip, and other chips with the same function may also be used. The filter circuit 420 comprises an inductor L2, a capacitor C5 and a resistor R6, wherein one end of the inductor L2 is electrically connected to a PWM output node LX of the dc buck chip 410, the other end of the inductor L2 is electrically connected to a 3.3V power supply terminal, one end of a resistor R6 and one end of a capacitor C5, and the other end of the resistor R6 and the other end of the capacitor C5 are grounded through a resistor R8. The voltage stabilizing circuit 440 includes a parallel circuit formed by a voltage regulator D2, a capacitor C9, a capacitor C10, a capacitor C11, and a capacitor C12 connected in parallel, so as to ensure that the maximum dropped voltage value is still within the normal power supply range when the control module 100 emits burst pulses. The power supply module 400 further has a third indicator light circuit 430, the third indicator light circuit 430 includes an LED lamp D1 and a resistor R9 connected in series, the LED lamp D1 may adopt an LED lamp emitting red light, an anode of the LED lamp D1 is connected to a 3.3V power supply terminal, and a cathode of the LED lamp D1 is grounded through a resistor R9. The third indicator light circuit 430 is used to show the power supply status. The power supply module 400 is used for supplying power to the whole position data acquisition and transmission device, an external 5V power supply obtains a stable 3.3V voltage after passing through the dc voltage reduction chip 410 and the filter circuit 420, and then supplies power to the device through the voltage stabilization circuit 440.

As shown in fig. 1, in some embodiments of the present invention, the present invention further includes a key module 500, the key module 500 is electrically connected to the control module 100, and the key module 500 is used for switching the control module 100 on and off, resetting and PSM mode.

As shown in fig. 7, in some embodiments of the present invention, the key module 500 includes a key switch S1, a key switch S2, and a key switch S3, one end of the key switch S1 is grounded through a resistor R4, the other end of the key switch S1 is electrically connected to a RESET pin RESET of the control module 100, and the key switch S1 can RESET the control module 100; one end of the key switch S2 is grounded through a resistor R7, the other end of the key switch S2 is electrically connected to the PSM mode enable end PSM _ EINT of the control module 100, and the key switch S2 can enable the control module 100 to switch to the PSM mode, so that the entire device is in a low power consumption state; one end of the key switch S3 is grounded through the resistor R10, the other end of the key switch S3 is electrically connected to the power on/off pin PWRKEY of the control module 100, and the key switch S3 can perform power on/off of the control module 100.

As shown in fig. 4, in some embodiments of the present invention, the SIM card module 200 includes a SIM card socket 220, the SIM card socket 220 may adopt a Mirco _ SIM card socket for inserting a corresponding SIM card, thereby performing network registration on the control module 100, a power source terminal VCC of the SIM card socket 220 is electrically connected to a SIM card operating voltage terminal SIM _ VDD of the control module 100, a reset pin RST of the SIM card socket 220 is electrically connected to a SIM card reset pin SIM _ RST of the control module 100 through a resistor R16, a clock pin CLK of the SIM card socket 220 is electrically connected to a SIM card clock pin SIM _ CLK of the control module 100 through a resistor R17, and a DATA input/output terminal I/O of the SIM card socket 220 is electrically connected to a SIM card DATA terminal SIM _ DATA of the control module 100 through a resistor R19; meanwhile, a power supply terminal VCC of the SIM card holder 220 is grounded through a capacitor C24, a reset pin RST of the SIM card holder 220 is grounded through a capacitor C25, a clock pin CLK of the SIM card holder 220 is grounded through a capacitor C26, a data input/output terminal I/O of the SIM card holder 220 is grounded through a capacitor C27, and the capacitor C24, the capacitor C25, the capacitor C26 and the capacitor C27 are used for filtering out radio frequency interference.

As shown in fig. 4, in some embodiments of the present invention, the SIM card module 200 further includes an electrostatic protection unit 210, and the power source VCC, the reset pin RST, the clock pin CLK and the data input/output terminal I/O of the SIM card holder 220 are electrically connected to the electrostatic protection unit 210 for performing electrostatic protection. Specifically, the esd protection unit 210 may employ an SMF05CT1G chip, and the SMF05CT1G chip is a unidirectional six-pin TVS diode, which plays an esd protection role for the SIM card module 200 and the control module 100. The power source VCC of the SIM card holder 220 is electrically connected to the cathode pin 4 of the esd protection unit 210, the reset pin RST of the SIM card holder 220 is electrically connected to the cathode pin 5 of the esd protection unit 210, the clock pin CLK of the SIM card holder 220 is electrically connected to the cathode pin 1 of the esd protection unit 210, the data input/output I/O of the SIM card holder 220 is electrically connected to the cathode pin 6 of the esd protection unit 210, and the anode pin 2 of the esd protection unit 210 is grounded.

As shown in fig. 5 and 6, in some embodiments of the present invention, the serial port communication module 300 includes: the device comprises a bidirectional level conversion unit 310, a serial-to-USB unit 320 and a USB terminal 330, wherein the input end of the bidirectional level conversion unit 310 is electrically connected with the control module 100, the input end of the serial-to-USB unit 320 is electrically connected with the output end of the bidirectional level conversion unit 310, the input end of the USB terminal 330 is electrically connected with the output end of the serial-to-USB unit 320, and the output end of the USB terminal 330 is electrically connected with a USB interface of the upper computer 700. The serial port communication module 300 is used for realizing communication between a UART interface of the control module 100 and a USB interface of the upper computer 700, the control module 100 converts a +1.8V voltage domain into a +3.3V voltage domain through the bidirectional level conversion unit 310, then a communication signal is transmitted to the USB terminal 330 through the serial port to USB unit 320, an output end of the USB terminal 330 is electrically connected with the USB interface of the upper computer 700, so that communication between the control module 100 and the upper computer 700 is realized, and software codes of the control module 100 are programmed, debugged and operated through the upper computer 700.

Specifically, as shown in fig. 5 and fig. 6, in some embodiments of the present invention, the bidirectional level converting unit 310 employs a TXB0104 chip, the serial port to USB unit 320 employs a CH340G chip, a first input terminal a1 of the TXB0104 chip is electrically connected to a data transmitting terminal TXD of the main serial port of the control module 100, a second input terminal a2 of the TXB0104 chip is electrically connected to a data receiving terminal RXD of the main serial port of the control module 100, a third input terminal A3 of the TXB0104 chip is electrically connected to a data receiving terminal RXD _ DBG of the debugging serial port of the control module 100, a fourth input terminal A4 of the TXB0104 chip is electrically connected to the data transmitting terminal TXD _ DBG of the debugging serial port of the control module 100, an input power terminal a and an output enable terminal of the TXB0104 chip are electrically connected to a power output terminal VDD _ EXT of the control module 100, an output power terminal a output terminal of the TXB0104 chip is electrically connected to a 3.3V, and a first output terminal of the TXB0104 chip is electrically connected to a data transmitting terminal txc vcoe 340 c 3 c, a second output end B2 of the TXB0104 chip is electrically connected with a data receiving end RXD of the CH340G chip through a first connector P1, a third output end B3 of the TXB0104 chip is electrically connected with the data receiving end RXD of the CH340G chip through a second connector P2, and a fourth output end B4 of the TXB0104 chip is electrically connected with the data transmitting end TXD of the CH340G chip through a second connector P2; the positive USB signal input end UD + of the CH340G chip is electrically connected with the positive voltage data line D + of the USB terminal 330, the negative USB signal input end UD-of the CH340G chip is electrically connected with the negative voltage data line D-of the USB terminal 330, the power supply end VCC of the CH340G chip is connected with the 3.3V power supply end or the 5V power supply end, in this example, the 3.3V power supply end is adopted for power supply, the 5V power supply is reserved, a crystal oscillator Y1 is connected in series between the crystal oscillator input end XI and the crystal oscillator output end XO of the CH340G chip, the data sending end TXD and the 3.3V power supply end of the CH340G chip are connected in series with the first indicator light power supply end 340, and the data receiving end RXD and the 3.3V power supply end of the CH340G chip. Specifically, the first indicator light circuit 340 uses an LED emitting blue light, and the second indicator light circuit 350 uses an LED emitting green light, and displays the working states of serial port data transmission and data reception by using different colors. It is contemplated that the LED lamp may emit colors other than blue and green. The control module 100 reserves two serial ports which are a main serial port and a debugging serial port respectively, the two serial ports are electrically connected with the input end of the TXB0104 chip respectively, so that a +1.8V voltage domain is converted into a +3.3V voltage domain, the output end of the TXB0104 chip is electrically connected with the CH340G chip, the mutual switching of the main serial port and the debugging serial port can be realized through the switching of the connector P1 and the connector P2, and then the signal transmission of the serial port of the control module 100 and the USB terminal 330 is realized through the electrical connection of the CH340G chip and the USB terminal 330, so that the control module 100 and the upper computer 700 can communicate, and further the software code burning, running and debugging of the control module 100 are carried out through the upper computer 700.

As shown in fig. 6, in some embodiments of the present invention, the serial port communication module 300 further includes an electrostatic protection tube 360, and the electrostatic protection tube 360 is electrically connected to the USB terminal 330. Specifically, the positive voltage data line D + of the USB terminal 330 is electrically connected to the third data input/output I/O of the electrostatic protection tube 360, and the negative voltage data line D-of the USB terminal 330 is electrically connected to the first data input/output I/O of the electrostatic protection tube 360. Specifically, the electrostatic shield 360 may employ an SRV05-4-P-T7 chip. The power supply terminal VBUS of the USB terminal 330 is electrically connected to the reference voltage output terminal REF of the electrostatic protection tube 360, and the electrostatic protection tube 360 can prevent the USB terminal 330 from generating static electricity when being plugged. It is contemplated that the electrostatic protection tube 360 may be other chips having the same function, but is not limited thereto.

As shown in fig. 8, in some embodiments of the present invention, the antenna module 600 includes a GNSS positioning antenna circuit 610 and an RF antenna circuit 620, an output end of the GNSS positioning antenna circuit 610 is electrically connected to the control module 100, and an input end of the GNSS positioning antenna circuit 610 receives position data through an antenna; the input end of the RF antenna circuit 620 is electrically connected to the control module 100, the output end of the RF antenna circuit 620 sends the position data to the cloud platform 800 through an antenna, the output end of the RF antenna circuit 620 may also serve as the input end for receiving control information issued by the cloud platform 800 and sending the control information to the control module 100, and the control information is used for controlling the frequency of sending the position data to the cloud platform 800. The antenna module 600 is used to acquire position data and transmit the position data.

When the position data acquisition and transmission device provided by the embodiment of the utility model is applied specifically, the GNSS positioning antenna circuit 610 is firstly utilized to acquire initial position data, and then the initial position data is sent to the cloud platform 800 through the RF antenna circuit 620, so that node registration is completed; then, through communication between the control module 100 and the upper computer 700, the set software code is burned into the control module 100, then the timer is started, when the timer exceeds the threshold T, the control module 100 controls the antenna module 600 to start acquiring the current position data, and calculates the paradigm distance between the current position data and the initial position data, when the paradigm distance exceeds the threshold D, the antenna module 600 sends the current position data to the cloud platform, updates the initial position data, then the timer is restarted, and the above steps are repeated. And if the range distance does not exceed the threshold value D, directly restarting the timer. Wherein, T can be set to 5 seconds, D can be set to 3 meters, and T and D can be other self-defined numerical values. Through the above steps, the utility model discloses position data acquisition and transmission device has just realized locate function, and easy operation is suitable for the sight more extensive.

In the description herein, references to the description of the term "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A position data acquisition and transmission device, comprising:

a control module;

the SIM card module is electrically connected with the control module and is used for network registration of the control module;

the input end of the serial port communication module is electrically connected with the serial port of the control module, and the output end of the serial port communication module is electrically connected with the USB interface of the upper computer;

and the antenna module is electrically connected with the control module and is used for receiving and transmitting the position data.

2. The device for collecting and transmitting positional data according to claim 1, further comprising a power supply module electrically connected to the control module.

3. The position data acquisition and transmission device according to claim 2, wherein the power supply module comprises:

the input end of the direct current voltage reduction chip is connected with a 5V power supply end;

the output end of the direct current voltage reduction chip is electrically connected with the input end of the filter circuit, and the output end of the filter circuit is connected with a 3.3V power supply end;

the input end of the voltage stabilizing circuit is connected with the 3.3V power supply end, the output end of the voltage stabilizing circuit is grounded, and the connection point of the voltage stabilizing circuit and the 3.3V power supply end is electrically connected with the control module through a resistor R2.

4. The device for collecting and transmitting positional data according to any one of claims 1 to 3, further comprising a key module electrically connected to the control module.

5. The position data collection and transmission device of claim 4, wherein the key module comprises:

one end of the key switch S1 is grounded through a resistor R4, and the other end of the key switch S1 is electrically connected with a reset pin of the control module;

one end of the key switch S2 is grounded through a resistor R7, and the other end of the key switch S2 is electrically connected with a PSM mode enable end of the control module;

one end of the key switch S3 is grounded through a resistor R10, and the other end of the key switch S3 is electrically connected with a power on/off pin of the control module.

6. The device for acquiring and transmitting positional data according to claim 1, wherein the SIM card module comprises a SIM card socket, the SIM card socket is used for inserting a corresponding SIM card, a power source VCC of the SIM card socket is electrically connected to the control module, a reset pin RST of the SIM card socket is electrically connected to the control module through a resistor R16, a clock pin CLK of the SIM card socket is electrically connected to the control module through a resistor R17, and a data input/output I/O of the SIM card socket is electrically connected to the control module through a resistor R19.

7. The device for collecting and transmitting positional data according to claim 6, wherein the SIM card module further comprises an electrostatic protection unit, and the power terminal VCC, the reset pin RST, the clock pin CLK, and the data input/output terminal I/O of the SIM card holder are electrically connected to the electrostatic protection unit, respectively.

8. The position data collecting and transmitting device according to claim 1, wherein the serial port communication module comprises:

the input end of the bidirectional level conversion unit is electrically connected with the control module;

the input end of the serial port to USB unit is electrically connected with the output end of the bidirectional level conversion unit;

and the input end of the USB terminal is electrically connected with the output end of the serial port-to-USB unit, and the output end of the USB terminal is electrically connected with the USB interface.

9. The device for collecting and transmitting positional data according to claim 8, wherein the serial communication module further comprises a static electricity protection tube, and the static electricity protection tube is electrically connected to the USB terminal.

10. The position data acquisition and transmission device of claim 1, wherein the antenna module comprises:

the output end of the GNSS positioning antenna circuit is electrically connected with the control module, and the input end of the GNSS positioning antenna circuit is used for receiving position data;

the input end of the RF antenna circuit is electrically connected with the control module, and the output end of the RF antenna circuit is used for sending the position data to a cloud platform or receiving control information issued by the cloud platform and sending the control information to the control module.