CN112731851A

CN112731851A - Internet of things management terminal equipment

Info

Publication number: CN112731851A
Application number: CN202110071353.0A
Authority: CN
Inventors: 苏涛; 王孝军; 刘刚; 梁凯; 薛本山; 张楠; 李鎏阳; 蔡卫锋; 杨素梅; 周旭; 林函奇; 朱岩; 田鹏; 张炎; 李�根; 夏磊; 徐致文; 李强; 许欣欣; 崔灿
Original assignee: Chengdu Handu Technology Co ltd; Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: Chengdu Handu Technology Co ltd; Shangqiu Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-04-30

Abstract

The invention discloses an Internet of things management terminal device which comprises a processor, wherein the processor is electrically connected with a LORA module, a SIM module, a 4G module, a WIFI module, an SPI module, a USB module, an LCD module, a JTAG module, an RS485 module, a power control circuit interface, a processor monitoring circuit, a low-dropout linear regulator circuit and a key module. The agent terminal equipment provides a communication calculation function and a data integration function through a microprocessor, and is provided with a plurality of external communication modes and connection interfaces, so that electronic equipment without sensing can be connected together, a networking basic topology function is constructed, the interconnection and intercommunication of information data among various electronic equipment are realized, and the interconnection and intercommunication of the information data among various electronic equipment is realized through the networking basic topology function of the construction; the method realizes a construction mode that an agent intelligent terminal is used as a minimum unit and an edge computing node of low-voltage distribution Internet of things management, and a low-voltage distribution Internet of things management and control system of one set of equipment and unified management and control is constructed.

Description

Internet of things management terminal equipment

Technical Field

The invention belongs to the field of terminal Internet of things equipment, and particularly relates to Internet of things management terminal equipment.

Background

In the invention patent with the publication number of CN111586188A, an electric energy monitoring system and a method are provided, which relate to the technical field of electric power, and the system comprises a cloud data server, a plurality of intelligent acquisition terminals and a monitoring platform; the intelligent acquisition terminal is used for acquiring ammeter parameters and electricity utilization data of a target user and sending the data to the cloud data server in real time; the cloud data server is used for storing the electric meter parameters and the electricity utilization data; the monitoring platform is used for acquiring historical power utilization data of the target user from the cloud data server, analyzing and processing the historical power utilization data to obtain a processing result, and monitoring the power utilization condition of the target user according to the processing result. According to the embodiment of the invention, the ammeter parameters and the electricity consumption data of the user are automatically uploaded through the intelligent acquisition terminal, manual ammeter reading is not needed, the influence of human factors is avoided, the error rate of the electricity consumption data is reduced, the ammeter data of the user can be acquired more timely, and the accuracy of the acquired data is improved.

In actual application, the concentrator only has the functions of metering and monitoring the electric quantity of a user, the low-voltage distribution station area devices are distributed more, the data sources of various low-voltage monitoring devices are complicated, the data transmission efficiency is low, time synchronization of various data has deviation, the real-time effect on data monitoring cannot be achieved, the lean management level of the low-voltage distribution station area is reduced, and a terminal is not used for integrating and processing all data and transmitting the data to the server background in a centralized manner.

Disclosure of Invention

The invention aims to provide an Internet of things management terminal device; the agent terminal equipment provides a communication calculation function and a data integration function through the microprocessor, and various external communication modes and connection interfaces are arranged in the agent terminal equipment, so that electronic equipment without sensing can be connected together, a networking basic topology function is constructed, and the interconnection and intercommunication of information data among various electronic equipment is realized.

The invention provides an Internet of things management terminal device which comprises a processor, wherein the processor is electrically connected with a LORA module, a SIM module, a 4G module, a WIFI module, an SPI module, a USB module, an LCD module, a JTAG module, an RS485 module, a power control circuit interface, a processor monitoring circuit, a low-dropout linear regulator circuit and a key module.

In one possible design, the power control circuit interface includes a first power control interface unit and a second power control interface unit, the first power control interface unit includes a power relay REL1, pin 1 and pin 2 of the power relay REL1 are electrically connected to an interface P11, pin 4 of the power relay REL1 is electrically connected to a 12V power supply, pin 3 of the power relay REL1 is electrically connected to a collector of an NPN-type transistor T7, a base of the transistor T7 is electrically connected to one end of a resistor R43 and one end of a resistor R44, and an emitter of the transistor T7 is electrically connected to the other end of the resistor R44 and to ground; the other end of the resistor R43 is electrically connected with the processor; the second power control interface unit is the same as the first power control interface unit.

In one possible design, the processor monitoring circuit comprises a monitoring chip U4, the monitoring chip U4 adopts a MAX823LEUK chip, a pin No. 1 of the monitoring chip U4 is electrically connected with one end of a resistor R23, and the other end of the resistor R23 is electrically connected with one end of a resistor R22, one end of a resistor R29, one end of a capacitor C10 and a reset pin of the processor; the other end of the resistor R22 is electrically connected with the processor; the other end of the resistor R29 is connected with a 3.3V power supply; the other end of the capacitor C10 is grounded; the pin No. 2 of the monitoring chip U4 is grounded, the pin No. 3 of the monitoring chip U4 is electrically connected with one end of a resistor R24, and the other end of the resistor R24 is connected with a power supply of 3.3; the No. 4 pin of the monitoring chip U4 is electrically connected with the processor; the No. 5 pin of the monitoring chip U4 is electrically connected with one end of a capacitor C6 and a 3.3V power supply, and the other end of the capacitor C6 is grounded.

Correspondingly, the pin 1 of the monitor chip U4 is also electrically connected to the pin 1 of the interface CON10, and the pin 2 of the interface CON10 is electrically connected to the reset pin of the processor.

In one possible design, the LCD module includes an LCD power circuit electrically connecting the power supply, connector P18, and connector P17, the connector P18 being a 39-port connector, the connector P17 being a 6-port connector; the connector P18 and the connector P17 are electrically connected to the processor.

In one possible design, the low dropout linear regulator circuit comprises a change-over switch U3, a pin No. 2 of the change-over switch U3 is electrically connected with a 12V power supply, a pin No. 3 of the change-over switch U3 is suspended, and a pin No. 1 of the change-over switch U3 is electrically connected with a first voltage reduction and stabilization circuit and a second voltage reduction and stabilization circuit; the first voltage reduction and stabilization circuit converts a 12V power supply into a 3.3V power supply, and the second voltage reduction and stabilization circuit converts the 12V power supply into a 3.8V power supply.

Correspondingly, in one possible design, the first voltage reduction and stabilization circuit comprises a voltage reduction and stabilization regulator U3, a pin No. 1 of the voltage reduction and stabilization regulator U3 is electrically connected with a pin No. 1 of the change-over switch U3 and one end of a capacitor C7, and the other end of the capacitor C7 is grounded; a No. 2 pin of the buck regulator U3 is electrically connected with a cathode of a diode D7 and one end of an inductor L2, an anode of the diode D7 is grounded, and the other end of the inductor L2 is electrically connected with one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C15, a cathode of a Schottky diode D8 and one end of a pull-up resistor; the other end of the capacitor C13, the other end of the capacitor C14 and the other end of the capacitor C15 are grounded; the No. 3 pin, the No. 4 pin and the No. 5 pin of the step-down voltage regulator U3 are electrically connected with the anode of the Schottky diode D8 and grounded; the other end of the pull-up resistor outputs 3.3V voltage.

Accordingly, in one possible design, the low dropout regulator circuit includes a first low dropout regulator circuit unit electrically connected to the processor and a second low dropout regulator circuit unit electrically connected to the processor.

In one possible design, the key module comprises a plurality of key circuit units, each key circuit unit comprises a key K1, and one end of the key K1 is electrically connected with one end of a resistor R68, one end of a resistor R71, one end of a capacitor C55 and one end of a bidirectional diode ESD 7; the other end of the resistor R68 is electrically connected with a 3.3V power supply; the other end of the capacitor C55 is grounded; the other end of the other end key K1 of the bidirectional diode ESD7 is electrically connected and grounded.

Correspondingly, the number of the key circuit units is 8.

The invention has the beneficial effects that:

1. the invention provides a communication calculation function and a data integration function through a microprocessor, and the equipment is provided with a plurality of external communication modes and connection interfaces, connects electronic equipment without sensing together, constructs a networking basic topology function, and realizes interconnection and intercommunication of information data among various electronic equipment; the method realizes a construction mode that an agent intelligent terminal is used as a minimum unit and an edge computing node of low-voltage distribution Internet of things management, and a low-voltage distribution Internet of things management and control system of one set of equipment and unified management and control is constructed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a proxy terminal device module provided by the present invention.

Fig. 2 is a partial circuit diagram of a processor of an embodiment of a proxy terminal device provided by the present invention.

Fig. 3 is a circuit diagram of a proxy terminal device 4G module and a WIFI module provided in the present invention.

Fig. 4 is a circuit diagram of the SPI module of the proxy terminal device provided by the present invention.

Fig. 5 is a circuit diagram of a proxy terminal device processor monitor provided by the present invention.

Fig. 6 is a circuit diagram of a first key unit and a second key unit of the proxy terminal device provided by the present invention.

Fig. 7 is a circuit diagram of a proxy terminal device power control circuit interface provided by the present invention.

Fig. 8 is a circuit diagram of an interface of the proxy terminal device provided by the present invention.

Fig. 9 is a circuit diagram of a first part of a low dropout linear regulator circuit of the proxy terminal device provided by the present invention.

Fig. 10 is a second circuit diagram of the low dropout linear regulator circuit of the proxy terminal device provided by the present invention.

Fig. 11 is a LCD power circuit diagram of an LCD module of the proxy terminal device provided by the present invention.

Fig. 12 is a circuit diagram of a connector P18 of the LCD module of the proxy terminal device provided by the present invention.

Fig. 13 is a circuit diagram of a connector P17 of the LCD module of the proxy terminal device provided by the present invention.

Detailed Description

The invention is further described with reference to the following figures and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that, for the term "and/or" as may appear herein, it is merely an associative relationship that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, B exists alone, and A and B exist at the same time; for the term "/and" as may appear herein, which describes another associative object relationship, it means that two relationships may exist, e.g., a/and B, may mean: a exists independently, and A and B exist independently; in addition, for the character "/" that may appear herein, it generally means that the former and latter associated objects are in an "or" relationship.

It will be understood that when an element is referred to herein as being "connected," "connected," or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. Conversely, if a unit is referred to herein as being "directly connected" or "directly coupled" to another unit, it is intended that no intervening units are present. In addition, other words used to describe the relationship between elements should be interpreted in a similar manner (e.g., "between … …" versus "directly between … …", "adjacent" versus "directly adjacent", etc.).

It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

It should also be noted that, in some alternative designs, the functions/acts noted may occur out of the order noted in the figures. For example, two figures shown in succession may, in fact, be executed substantially concurrently, or the figures may sometimes be executed in the reverse order, depending upon the functionality/acts involved.

It should be understood that specific details are provided in the following description to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. For example, systems may be shown in block diagrams in order not to obscure the examples in unnecessary detail. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

As shown in fig. 1, the internet of things management terminal device provided by the first aspect of the present invention includes a processor, and the processor is electrically connected to a LORA module, a SIM module, a 4G module, a WIFI module, an SPI module, a USB module, an LCD module, a JTAG module, an RS485 module, a power control circuit interface, a processor monitoring circuit, a low dropout linear regulator circuit, and a key module.

As shown in fig. 2, a partial circuit diagram of an example of a processor employing the microprocessor STM32F103RCT 6;

as shown in fig. 3, a circuit diagram of an exemplary 4G module and WIFI module is disclosed;

as shown in FIG. 4, a circuit diagram of an exemplary SPI module is disclosed;

in one possible embodiment, as shown in fig. 5, the processor monitoring circuit includes a monitoring chip U4, the monitoring chip U4 is a MAX823LEUK chip, pin No. 1 of the monitoring chip U4 is electrically connected to one end of a resistor R23, and the other end of the resistor R23 is electrically connected to one end of a resistor R22, one end of a resistor R29, one end of a capacitor C10, and a reset pin of the processor; the other end of the resistor R22 is electrically connected with the processor; the other end of the resistor R29 is connected with a 3.3V power supply; the other end of the capacitor C10 is grounded; the pin No. 2 of the monitoring chip U4 is grounded, the pin No. 3 of the monitoring chip U4 is electrically connected with one end of a resistor R24, and the other end of the resistor R24 is connected with a power supply of 3.3; the No. 4 pin of the monitoring chip U4 is electrically connected with the processor; the No. 5 pin of the monitoring chip U4 is electrically connected with one end of a capacitor C6 and a 3.3V power supply, and the other end of the capacitor C6 is grounded.

In one possible implementation, the key module includes a plurality of key circuit units, the key circuit units include a key K1, one end of the key K1 is electrically connected with one end of a resistor R68, one end of a resistor R71, one end of a capacitor C55 and one end of a bidirectional diode ESD 7; the other end of the resistor R68 is electrically connected with a 3.3V power supply; the other end of the capacitor C55 is grounded; the other end of the other end key K1 of the bidirectional diode ESD7 is electrically connected and grounded.

As shown in fig. 6, a circuit diagram of two key units, a first key unit and a second key unit, is provided. For example, the key circuit unit is provided with 8.

As shown in fig. 7, in one possible embodiment, the power control circuit interface includes a first power control interface unit and a second power control interface unit, the first power control interface unit includes a power relay REL1, pin 1 and pin 2 of the power relay REL1 are electrically connected to an interface P11, pin 4 of the power relay REL1 is electrically connected to a 12V power supply, pin 3 of the power relay REL1 is electrically connected to a collector of an NPN-type transistor T7, a base of the transistor T7 is electrically connected to one end of a resistor R43 and one end of a resistor R44, and an emitter of the transistor T7 is electrically connected to the other end of the resistor R44 and to ground; the other end of the resistor R43 is electrically connected with the processor; the second power control interface unit is the same as the first power control interface unit.

In specific implementation, as shown in fig. 7, the pin 1 of the monitor chip U4 is further electrically connected to the pin 1 of the interface CON10, and the pin 2 of the interface CON10 is electrically connected to the reset pin of the processor.

In one possible embodiment, as shown in fig. 8, the processor is electrically connected with an interface module, and the interface module provides an external interface and can provide functions of communication and power supply.

As shown in fig. 9 to 10, in one possible implementation, the low dropout linear regulator circuit includes a switch U3, pin 2 of the switch U3 is electrically connected to a 12V power supply, pin 3 of the switch U3 is floating, and pin 1 of the switch U3 is electrically connected to a first buck regulator circuit and a second buck regulator circuit; the first voltage reduction and stabilization circuit converts a 12V power supply into a 3.3V power supply, and the second voltage reduction and stabilization circuit converts the 12V power supply into a 3.8V power supply.

In specific implementation, the first voltage reduction and stabilization circuit comprises a voltage reduction and stabilization device U3, a pin 1 of the voltage reduction and stabilization device U3 is electrically connected with a pin 1 of the change-over switch U3 and one end of a capacitor C7, and the other end of the capacitor C7 is grounded; a No. 2 pin of the buck regulator U3 is electrically connected with a cathode of a diode D7 and one end of an inductor L2, an anode of the diode D7 is grounded, and the other end of the inductor L2 is electrically connected with one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C15, a cathode of a Schottky diode D8 and one end of a pull-up resistor; the other end of the capacitor C13, the other end of the capacitor C14 and the other end of the capacitor C15 are grounded; the No. 3 pin, the No. 4 pin and the No. 5 pin of the step-down voltage regulator U3 are electrically connected with the anode of the Schottky diode D8 and grounded; the other end of the pull-up resistor outputs 3.3V voltage.

In implementation, the low dropout regulator circuit includes a first low dropout regulator circuit unit electrically connected to the processor and a second low dropout regulator circuit unit electrically connected to the processor.

As shown in fig. 11 to 13, in one possible embodiment, the LCD module includes an LCD power circuit electrically connecting the power supply, a connector P18 and a connector P17, the connector P18 being a 39-port connector and the connector P17 being a 6-port connector; the connector P18 and the connector P17 are electrically connected to the processor.

In conclusion, the agent terminal device provides a communication calculation function and a data integration function through the microprocessor, and various external communication modes and connection interfaces are arranged in the agent terminal device, so that electronic devices without sensing can be connected together, a networking basic topology function is constructed, and interconnection and intercommunication of information data among various electronic devices are realized.

The embodiments described above are merely illustrative, and may or may not be physically separate, if referring to units illustrated as separate components; if reference is made to a component displayed as a unit, it may or may not be a physical unit, and may be located in one place or distributed over a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: modifications may be made to the embodiments described above, or equivalents may be substituted for some of the features described. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Finally, it should be noted that the present invention is not limited to the above alternative embodiments, and that various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.

Claims

1. The utility model provides a thing networking management terminal equipment, its characterized in that includes the treater, the treater electricity is connected with LORA module, SIM module, 4G module, WIFI module, SPI module, USB module, LCD module, JTAG module, RS485 module, power control circuit interface, treater monitoring circuit, low dropout linear regulator circuit and button module.

2. The IOT management terminal device of claim 1, wherein the power control circuit interface comprises a first power control interface unit and a second power control interface unit, the first power control interface unit comprises a power relay REL1, pin 1 and pin 2 of the power relay REL1 are electrically connected with an interface P11, pin 4 of the power relay REL1 is electrically connected with a 12V power supply, pin 3 of the power relay REL1 is electrically connected with a collector of an NPN-type triode T7, a base of the triode T7 is electrically connected with one end of a resistor R43 and one end of a resistor R44, and an emitter of the triode T7 is electrically connected with the other end of the resistor R44 and is grounded; the other end of the resistor R43 is electrically connected with the processor; the second power control interface unit is the same as the first power control interface unit.

3. The IOT management terminal device of claim 1, wherein the processor monitoring circuit comprises a monitoring chip U4, the monitoring chip U4 adopts MAX823LEUK chip, pin No. 1 of the monitoring chip U4 is electrically connected with one end of a resistor R23, and the other end of the resistor R23 is electrically connected with one end of a resistor R22, one end of a resistor R29, one end of a capacitor C10 and a reset pin of the processor; the other end of the resistor R22 is electrically connected with the processor; the other end of the resistor R29 is connected with a 3.3V power supply; the other end of the capacitor C10 is grounded; the pin No. 2 of the monitoring chip U4 is grounded, the pin No. 3 of the monitoring chip U4 is electrically connected with one end of a resistor R24, and the other end of the resistor R24 is connected with a power supply of 3.3; the No. 4 pin of the monitoring chip U4 is electrically connected with the processor; the No. 5 pin of the monitoring chip U4 is electrically connected with one end of a capacitor C6 and a 3.3V power supply, and the other end of the capacitor C6 is grounded.

4. The IOT management terminal device of claim 3, wherein the pin # 1 of the monitor chip U4 is further electrically connected to the pin # 1 of the interface CON10, and the pin # 2 of the interface CON10 is electrically connected to the reset pin of the processor.

5. The IOT management terminal device of claim 1, wherein the LCD module comprises an LCD power circuit electrically connecting the power supply, a connector P18 and a connector P17, the connector P18 is a 39-port connector, and the connector P17 is a 6-port connector; the connector P18 and the connector P17 are electrically connected to the processor.

6. The internet of things management terminal device of claim 1, wherein the low dropout regulator circuit comprises a transfer switch U3, pin 2 of the transfer switch U3 is electrically connected to a 12V power supply, pin 3 of the transfer switch U3 is floating, and pin 1 of the transfer switch U3 is electrically connected to a first buck regulator circuit and a second buck regulator circuit; the first voltage reduction and stabilization circuit converts a 12V power supply into a 3.3V power supply, and the second voltage reduction and stabilization circuit converts the 12V power supply into a 3.8V power supply.

7. The IOT management terminal device of claim 6, wherein the first buck regulator circuit comprises a buck regulator U3, pin 1 of the buck regulator U3 is electrically connected to pin 1 of the transfer switch U3 and one end of a capacitor C7, and the other end of the capacitor C7 is grounded; a No. 2 pin of the buck regulator U3 is electrically connected with a cathode of a diode D7 and one end of an inductor L2, an anode of the diode D7 is grounded, and the other end of the inductor L2 is electrically connected with one end of a capacitor C13, one end of a capacitor C14, one end of a capacitor C15, a cathode of a Schottky diode D8 and one end of a pull-up resistor; the other end of the capacitor C13, the other end of the capacitor C14 and the other end of the capacitor C15 are grounded; the No. 3 pin, the No. 4 pin and the No. 5 pin of the step-down voltage regulator U3 are electrically connected with the anode of the Schottky diode D8 and grounded; the other end of the pull-up resistor outputs 3.3V voltage.

8. The IOT management terminal device of claim 6, wherein the LDO circuit comprises a first LDO circuit unit electrically connected to the processor and a second LDO circuit unit electrically connected to the processor.

9. The internet of things management terminal device of claim 1, wherein the key module comprises a plurality of key circuit units, each key circuit unit comprises a key K1, and one end of the key K1 is electrically connected with one end of a resistor R68, one end of a resistor R71, one end of a capacitor C55 and one end of a bidirectional diode ESD 7; the other end of the resistor R68 is electrically connected with a 3.3V power supply; the other end of the capacitor C55 is grounded; the other end of the other end key K1 of the bidirectional diode ESD7 is electrically connected and grounded.

10. The internet of things management terminal device of claim 9, wherein the number of the key circuit units is 8.