Monitoring circuit of water affair intelligent satellite telemetry terminal

Abstract

The utility model discloses a monitoring circuit of a water affair intelligent satellite telemetry terminal. The circuit comprises a microcontroller, an acquisition communication module, a data sending module and a power supply module, the acquisition communication module is respectively connected with the microcontroller and an external sensor, and the acquisition communication module is used for acquiring data acquired by the external sensor and sending the data to the microcontroller; wherein the acquisition communication module comprises a 485 communication module and a 232 communication module, and the 485 communication module and the 232 communication module are used for being compatible with interfaces of different external sensors; the data sending module is connected with the microcontroller and used for receiving data sent by the microcontroller and sending the data outwards in a satellite emission or 4G transmission mode; and the power supply module is used for converting the voltage, and the converted voltage is used by the microcontroller, the acquisition communication module, the data sending module and the external sensor. According to the utility model, data acquired by an external sensor can be efficiently and timely acquired and sent.

Description

Technical Field

[0001] This utility model relates to the field of monitoring circuit technology, and in particular to a monitoring circuit for a water affairs intelligent satellite telemetry terminal. Background Technology

[0002] Water monitoring terminals refer to intelligent devices used for water monitoring, whose main functions include data acquisition, transmission, storage, processing, and display. These terminals can sense real-time data on various hydrological, water resource safety, and water conservancy project data, such as rainfall, water level, flow rate, runoff, soil moisture, gate opening, and water quality. Water monitoring terminals are widely used in multiple fields, including water conservancy project monitoring, hydrology, meteorology, water resource management, soil and water conservation, and water environment management. They enable real-time information sensing, aggregation, and transmission in these fields, helping relevant agencies and managers to conduct efficient data management and decision support.

[0003] However, existing water monitoring terminals have certain limitations in collecting and transmitting data from relevant sensors. They cannot guarantee accurate data collection and transmission, nor can they efficiently and promptly acquire and transmit the relevant data.

[0004] In the process of realizing this utility model, the inventors discovered that the prior art has at least the following problems:

[0005] Existing water monitoring terminals cannot efficiently and timely acquire and transmit data. Utility Model Content

[0006] The purpose of this invention is to provide a monitoring circuit for a smart satellite telemetry terminal for water resources, thereby solving the technical problem that existing water monitoring terminals cannot efficiently and timely acquire and transmit data. The various technical effects of the preferred solutions among the many technical solutions provided by this invention are detailed below.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] The present invention provides a monitoring circuit for a smart satellite telemetry terminal for water affairs, comprising a microcontroller, a data acquisition and communication module, a data transmission module, and a power supply module;

[0009] The acquisition and communication module is connected to the microcontroller and the external sensor respectively. The acquisition and communication module is used to acquire data collected by the external sensor and send the data to the microcontroller. The acquisition and communication module includes a 485 communication module and a 232 communication module. The 485 communication module and the 232 communication module are used to be compatible with different interfaces of the external sensor in order to acquire the data collected by the external sensor.

[0010] The data transmission module is connected to the microcontroller and is used to receive data sent by the microcontroller and send the data outward via satellite transmission or 4G transmission.

[0011] The power module is used to convert voltage, and the converted voltage is used by the microcontroller, the acquisition and communication module, the data transmission module and the external sensors.

[0012] Optionally, the 485 communication module includes a first 485 communication unit and a second 485 communication unit;

[0013] The first 485 communication unit includes a transceiver chip U8 and a gas discharge tube EA2. The first pin of the transceiver chip U8 is connected to the seventeenth pin of the microcontroller, the second and third pins are connected to the fifty-fifth pin of the microcontroller, the fourth pin is connected to the sixteenth pin of the microcontroller, the fifth pin is grounded, the sixth and seventh pins are both connected to the RS4851 communication interface, and the eighth pin is connected to the power supply and the forty-ninth pin of the microcontroller.

[0014] The first pin of the gas discharge tube EA2 is connected to the seventh pin of the transceiver chip U8 and the communication interface of RS4851, the second pin is grounded, and the third pin is connected to the sixth pin of the transceiver chip U8 and the communication interface of RS4851.

[0015] Optionally, the second 485 communication unit includes a transceiver chip U5 and a gas discharge tube EA1. The first pin of the transceiver chip U5 is connected to the 54th pin of the microcontroller, the second and third pins are connected to the 56th pin of the microcontroller, the fourth pin is connected to the 53rd pin of the microcontroller, the fifth pin is grounded, the sixth and seventh pins are both connected to the RS4852 communication interface, and the eighth pin is connected to the power supply and the 50th pin of the microcontroller.

[0016] The first pin of the gas discharge tube EA1 is connected to the seventh pin of the transceiver chip U5 and the communication interface of RS4852, the second pin is grounded, and the third pin is connected to the sixth pin of the transceiver chip U5 and the communication interface of RS4852.

[0017] Optionally, the transceiver chip U8 and transceiver chip U5 are model MAX3485EESA.

[0018] Optionally, the 232 communication module includes a transceiver chip U4; the eleventh pin of the transceiver chip U4 is connected to the forty-second pin of the microcontroller, the twelfth pin is connected to the forty-third pin of the microcontroller, the tenth pin is connected to the fifty-first pin of the microcontroller, the ninth pin is connected to the fifty-second pin of the microcontroller, the seventh and eighth pins are connected to the external sensor, and the thirteenth and fourteenth pins are connected to the external sensor.

[0019] Optionally, the data transmission module includes a level conversion protection unit, a communication unit, and a transmission unit. The communication unit is connected to the microcontroller through the level conversion protection unit and is used to receive data sent by the microcontroller. The communication unit is also connected to the transmission unit, which is used to receive the data sent by the communication unit and transmit the data via satellite transmission or 4G transmission.

[0020] Optionally, the transmitting unit includes a satellite transmitting unit and a 4G transmitting unit.

[0021] Optionally, the data transmission module further includes a SIM unit, which is connected to the communication unit and used to access the network.

[0022] Optionally, the power module includes a power input unit, a power output unit, and a power protection unit. The power input unit and the power output unit cooperate to provide power to the microcontroller, the data acquisition and communication module, and the data transmission module. The power protection unit is used for power protection.

[0023] Optionally, the microcontroller is an STM32F103-LQFP64.

[0024] Implementing one of the above-described technical solutions of this utility model has the following advantages or beneficial effects:

[0025] This invention includes a microcontroller, a data acquisition and communication module, and a data transmission module. The data acquisition and communication module includes a 485 communication module and a 232 communication module. The 485 and 232 communication modules are used to be compatible with different external sensor interfaces to acquire data collected by external sensors, ensuring the accuracy of data acquisition while having strong compatibility. The data transmission module can transmit data externally via satellite or 4G transmission, offering versatility and ensuring the accuracy of data transmission. This invention can efficiently and timely acquire and transmit data collected by external sensors. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0027] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0028] Figure 2 This is a circuit diagram of the microcontroller in an embodiment of this utility model;

[0029] Figure 3 This is a circuit diagram of the 485 communication module in an embodiment of this utility model;

[0030] Figure 4 This is a circuit schematic diagram of the 232 communication module in this embodiment of the present invention;

[0031] Figure 5 This is a circuit diagram of the level conversion protection unit in the data transmission module of this utility model embodiment;

[0032] Figure 6 This is a circuit diagram of the communication unit in the data transmission module of this utility model embodiment;

[0033] Figure 7 This is a circuit diagram of the SIM unit in the data transmission module of this utility model embodiment;

[0034] Figure 8 This is a circuit diagram of the power input unit in the power module of this utility model embodiment;

[0035] Figure 9 This is a circuit diagram of the power output unit in the power module of this utility model embodiment;

[0036] Figure 10 This is a circuit diagram of the power supply protection unit in the power module of this utility model embodiment. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this utility model clearer, various exemplary embodiments described below will be referenced to the accompanying drawings, which form part of the exemplary embodiments, illustrating various exemplary embodiments that may be adopted to implement this utility model. Unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. It should be understood that they are merely examples of processes, methods, and apparatuses consistent with some aspects of this utility model disclosed as detailed in the appended claims, and other embodiments may be used, or structural and functional modifications may be made to the embodiments listed herein without departing from the scope and spirit of this utility model.

[0038] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," etc., indicate the orientation or positional relationship based on the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the referred element must have a specific orientation, or be constructed and operated in a specific orientation. The terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. The term "multiple" means two or more. The terms "connected" and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, integral connections, mechanical connections, electrical connections, communication connections, direct connections, indirect connections through an intermediate medium, and can be the internal connection of two elements or the interaction relationship between two elements. The term "and / or" includes any and all combinations of one or more of the related listed items. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0039] To illustrate the technical solution described in this utility model, specific embodiments are described below, showing only the parts related to the embodiments of this utility model.

[0040] Example:

[0041] like Figure 1-2As shown, this utility model provides a monitoring circuit for a smart satellite telemetry terminal for water resources, including a microcontroller, a data acquisition and communication module, a data transmission module, and a power supply module. The data acquisition and communication module is connected to the microcontroller and an external sensor, respectively. The data acquisition and communication module is used to acquire data collected by the external sensor and send the data to the microcontroller. The data acquisition and communication module includes a 485 communication module and a 232 communication module, which are used to be compatible with the interfaces of different external sensors to acquire the data collected by the external sensor. The data transmission module is connected to the microcontroller and is used to receive the data sent by the microcontroller and send the data outward via satellite transmission or 4G transmission. The power supply module is used to convert the voltage and supply the converted voltage to the microcontroller, the data acquisition and communication module, the data transmission module, and the external sensor.

[0042] Specifically, the monitoring circuit includes a microcontroller, a data acquisition and communication module, a data transmission module, and a power supply module. The microcontroller, as a control device, primarily controls and monitors various functions of the electronic equipment and system, ensuring the normal operation of each module. In this embodiment, the microcontroller is an STM32F103-LQFP64.

[0043] The data acquisition and communication module is connected to both the external sensor and the microcontroller. One end of the module is connected to the external sensor, and the other end is connected to the microcontroller. The module is used to acquire data from the external sensor, convert the data, and then send it to the microcontroller.

[0044] The data transmission module is connected to the microcontroller. After receiving the data sent by the microcontroller, the data transmission module will output the data and finally send the data outward via satellite transmission or 4G transmission.

[0045] The power supply module converts the input voltage into the voltage required by each module, ensuring the normal operation of each module; it also has protection functions, which can improve the stability and reliability of the entire monitoring circuit.

[0046] Below, in conjunction with Figure 1-10 This document provides a detailed introduction to the specific structure and working principle of the monitoring circuit of the intelligent remote sensing terminal for water affairs.

[0047] As an optional implementation, the data acquisition and communication module includes a RS-485 communication module and a RS-232 communication module. These modules are designed to be compatible with different external sensor interfaces to acquire data collected by those sensors. In this embodiment, the inclusion of both RS-485 and RS-232 communication modules ensures compatibility with various sensor data interfaces, offering strong practicality and compatibility. This improves the accuracy of data acquisition by the module and enables efficient and timely acquisition of data from external sensors.

[0048] like Figure 3 As shown, the 485 communication module includes a first 485 communication unit and a second 485 communication unit; the first 485 communication unit includes a transceiver chip U8 and a gas discharge tube EA2. The first pin of the transceiver chip U8 is connected to the seventeenth pin of the microcontroller, the second and third pins are connected to the fifty-fifth pin of the microcontroller, the fourth pin is connected to the sixteenth pin of the microcontroller, the fifth pin is grounded, the sixth and seventh pins are both connected to the communication interface of RS4851, and the eighth pin is connected to the power supply and the forty-ninth pin of the microcontroller.

[0049] Pins 6 and 7 of transceiver chip U8 are connected to an external sensor interface via an RS4851 communication interface to acquire data collected by the external sensor. This data is then input to transceiver chip U8, where it performs signal conversion and amplification. After signal conversion, the data is transmitted to the microcontroller via pins 1, 2, and 3 of transceiver chip U8 and pins 17 and 55 of the microcontroller. The microcontroller then controls subsequent processes. Pin 4 of transceiver chip U8 is connected to pin 16 of the microcontroller, allowing the microcontroller to send signals to transceiver chip U8 to control its state.

[0050] The first pin of the gas discharge tube EA2 is connected to the seventh pin of the transceiver chip U8 and the communication interface of the RS4851. The second pin is grounded, and the third pin is connected to the sixth pin of the transceiver chip U8 and the communication interface of the RS4851. Specifically, the gas discharge tube EA2 serves to protect the voltage and discharge transient overcurrents caused by lightning in the circuit, preventing damage to the transceiver chip U8 due to overvoltage.

[0051] The second 485 communication unit includes a transceiver chip U5 and a gas discharge tube EA1. The first pin of the transceiver chip U5 is connected to the 54th pin of the microcontroller, the second and third pins are connected to the 56th pin of the microcontroller, the fourth pin is connected to the 53rd pin of the microcontroller, the fifth pin is grounded, the sixth and seventh pins are both connected to the RS4852 communication interface, and the eighth pin is connected to the power supply and the 50th pin of the microcontroller.

[0052] Pins 6 and 7 of transceiver chip U5 are connected to an external sensor interface via an RS4852 communication interface to acquire data collected by the external sensor. This data is then input to transceiver chip U5, where it performs signal conversion and amplification. After signal conversion, the data is transmitted to the microcontroller via pins 1, 2, and 3 of transceiver chip U5 and pins 17 and 55 of the microcontroller. The microcontroller then controls subsequent processes. Pin 4 of transceiver chip U5 is connected to pin 16 of the microcontroller, allowing the microcontroller to send signals to U5 to control the transceiver chip's state.

[0053] The first pin of the gas discharge tube EA1 is connected to the seventh pin of the transceiver chip U5 and the RS4852 communication interface, the second pin is grounded, and the third pin is connected to the sixth pin of the transceiver chip U5 and the RS4852 communication interface. Specifically, the gas discharge tube EA1 serves to protect the voltage and discharge transient overcurrents from lightning strikes, preventing damage to the transceiver chip U5 due to overvoltage.

[0054] In this embodiment, the 485 communication module includes a first 485 communication unit and a second 485 communication unit, which can connect with more external sensors and efficiently acquire data collected by external sensors.

[0055] It should be noted that in this embodiment, the transceiver chip U8 and transceiver chip U5 are model MAX3485EESA, and the gas discharge tube EA1 is model 3RM090M-5-SS.

[0056] As an optional implementation method, such as Figure 4 As shown, the 232 communication module includes a transceiver chip U4; pin 11 of the transceiver chip U4 is connected to pin 42 of the microcontroller, pin 12 is connected to pin 43 of the microcontroller, pin 10 is connected to pin 51 of the microcontroller, pin 9 is connected to pin 52 of the microcontroller, pins 7 and 8 are connected to external sensors, and pins 13 and 14 are connected to external sensors.

[0057] Specifically, this embodiment includes both a 485 communication module and a 232 communication module. The 232 communication module mainly includes a transceiver chip U4. Pins 7, 8, 13, and 14 of the transceiver chip U4 are connected to external sensors to acquire corresponding data collected by the external sensors. Pins 9, 10, 11, and 12 of the transceiver chip U4 are connected to pins 52, 51, 42, and 43 of the microcontroller, respectively, to transmit information received by the transceiver chip U4 to the microcontroller and to receive control signals sent by the microcontroller.

[0058] It should be noted that the external sensor described in this embodiment may be a water quality sensor used to monitor the water quality of the water source.

[0059] In this embodiment, setting up corresponding 485 communication modules and 232 communication modules can ensure efficient and timely acquisition of sensor data, guarantee the accuracy of the acquired data, and improve the efficiency and quality of acquiring sensor data.

[0060] As an optional implementation, the data transmission module includes a level conversion protection unit, a communication unit, and a transmission unit. The communication unit is connected to the microcontroller via the level conversion protection unit and is used to receive data sent by the microcontroller. The communication unit is also connected to the transmission unit, which is used to receive data sent by the communication unit and transmit the data via satellite transmission or 4G transmission. The transmission unit includes a satellite transmission unit and a 4G transmission unit.

[0061] Specifically, such as Figure 5-6 As shown, the communication unit includes a communication chip M1, which receives data sent by the microcontroller through a level conversion and protection unit. Figure 5 As shown, the level conversion protection unit is connected to both the microcontroller and the communication unit, and is used for bidirectional level conversion between different power supply voltages and signal conversion between devices with different voltage levels. In this embodiment, the level conversion protection unit includes a voltage-to-level converter U12. Terminal A of the voltage-to-level converter U12 is connected to the communication chip M1, and terminal B of the voltage-to-level converter U12 is connected to the microcontroller. The voltage-to-level converter U12 in this embodiment performs voltage and signal conversion functions, ensuring correct data transmission and normal circuit operation. In this embodiment, the voltage-to-level converter U12 is model TXS0108E.

[0062] In this embodiment, as Figure 6As shown, the communication chip M1 provides wireless communication functionality, enabling wireless data transmission. The communication chip M1 is connected to the transmitting unit, which transmits information wirelessly under the control of the communication chip M1. In this embodiment, the transmitting unit includes a satellite transmitting unit and a 4G transmitting unit. Data can be transmitted via either the satellite transmitting unit or the 4G transmitting unit. It should be noted that the satellite transmitting unit and the 4G transmitting unit can be a satellite transmitting antenna and a 4G transmitting antenna, respectively; the specific type of transmitting unit used can be selected based on the actual situation.

[0063] It should be noted that, as Figure 7 As shown, the data transmission module further includes a SIM unit, which is connected to the communication unit and used for network access. The communication chip M1 is connected to the SIM unit. The SIM unit is used for identity verification, information storage, encrypted communication, and network switching, and is not specifically limited in this embodiment.

[0064] As an optional implementation, the power module includes a power input unit, a power output unit, and a power protection unit. The power input unit and the power output unit work together to provide power to the microcontroller, the data acquisition and communication module, and the data transmission module, while the power protection unit is used for power protection.

[0065] Specifically, a power module includes a power input unit, a power output unit, and a power protection unit. For example... Figure 8 As shown, the power input unit includes a first power input unit and a second power input unit. The first power input unit includes a buck converter U11, which converts the power supply voltage. It should be noted that the third pin of the buck converter U11 is connected to the second pin of the microcontroller. The third pin of the buck converter U11 serves as an enable pin, capable of receiving external signals to control the enable state of the microcontroller, controlling its startup and shutdown. Furthermore, the first and eighth pins of the buck converter U11 can output a VCC-M signal for use by the data transmission module. The second power input unit includes a buck converter U12, which converts the power supply voltage to 3.3V for use by other modules.

[0066] In this embodiment, both buck converter U11 and buck converter U12 are model TPS54331DR.

[0067] like Figure 9 As shown, the power output unit includes a boost converter U7, which is connected to the output terminal of the battery and used to boost the battery voltage before outputting it to external sensors and microcontrollers. In this embodiment, the boost converter U7 is model LM27313XMF.

[0068] like Figure 10 As shown, the power supply protection unit includes filter B1, which is used to suppress electromagnetic interference and improve the stability of the entire monitoring circuit. The model of filter B1 is BNX022-1L.

[0069] It should be noted that the data mentioned in this embodiment is actually the corresponding data signal based on data transformation.

[0070] This embodiment includes a microcontroller, a data acquisition and communication module, and a data transmission module. The data acquisition and communication module includes a 485 communication module and a 232 communication module. The 485 and 232 communication modules are used to be compatible with the interfaces of different external sensors to acquire data collected by the external sensors, ensuring the accuracy of data acquisition while having strong compatibility. The data transmission module can transmit data externally via satellite or 4G transmission, offering versatility and ensuring the accuracy of data transmission. This utility model can efficiently and timely acquire and transmit data collected by external sensors.

[0071] The embodiment is merely a special case and does not indicate that this utility model is implemented in such a way.

[0072] The above description is merely a preferred embodiment of the present utility model. Those skilled in the art will understand that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present utility model. Furthermore, under the teachings of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of the present utility model.

Claims

1. A monitoring circuit of a water intelligent satellite telemetry terminal, characterized in that, The device comprises a microcontroller, a data acquisition and communication module, a data transmission module and a power module. The data acquisition and communication module is connected with the microcontroller and external sensors, and is used to acquire data collected by the external sensors and send the data to the microcontroller. The data transmission module is connected with the microcontroller, and is used to receive data sent by the microcontroller and send the data to the outside through satellite transmission or 4G transmission. The power module is used to convert voltage and supply the microcontroller, the data acquisition and communication module, the data transmission module and the external sensors.

2. The monitoring circuit of the water affair smart satellite telemetry terminal according to claim 1, characterized in that, The 485 communication module comprises a first 485 communication unit and a second 485 communication unit. The first 485 communication unit comprises a transceiver chip U8 and a gas discharge tube EA2. The second 485 communication unit comprises a transceiver chip U5 and a gas discharge tube EA1.

3. The monitoring circuit of the water affair smart satellite telemetry terminal according to claim 2, characterized in that, The transceiver chips U8 and U5 are MAX3485EESA. The 232 communication module comprises a transceiver chip U4.

4. The monitoring circuit of the water affair smart satellite telemetry terminal according to claim 3, characterized in that, The eleventh pin of the transceiver chip U4 is connected with the forty-second pin of the microcontroller, the twelfth pin is connected with the forty-third pin of the microcontroller, the tenth pin is connected with the fifty-first pin of the microcontroller, the ninth pin is connected with the fifty-second pin of the microcontroller, the seventh and eighth pins are connected with the external sensors, and the thirteenth and fourteenth pins are connected with the external sensors.

5. The water smart satellite telemetry terminal monitoring circuit of claim 1, wherein, ​ 6. The water utility smart satellite telemetry terminal monitoring circuit of claim 1, wherein, The data sending module comprises a level conversion protection unit, a communication unit and a transmitting unit, the communication unit is connected with the microcontroller through the level conversion protection unit and is used to receive data sent by the microcontroller; the communication unit is also connected with the transmitting unit, the transmitting unit is used to receive data sent by the communication unit and send the data through satellite transmission or 4G transmission.

7. The water utility smart satellite telemetry terminal monitoring circuit of claim 6, wherein, The transmitting unit comprises a satellite transmitting unit and a 4G transmitting unit.

8. The water utility smart satellite telemetry terminal monitoring circuit of claim 6, wherein, The data sending module further comprises a SIM unit, the SIM unit is connected with the communication unit and is used to access a network.

9. The water utility smart satellite telemetry terminal monitoring circuit of claim 1, wherein, The power module comprises a power input unit, a power output unit and a power supply protection unit, the power input unit cooperates with the power output unit to provide electric energy for the microcontroller, the acquisition communication module and the data sending module, and the power supply protection unit is used for power supply protection.

10. The water utility smart satellite telemetry terminal monitoring circuit of claim 1, wherein, The model of the microcontroller is STM32F103-LQFP64.

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