Intelligent controller

Abstract

The utility model provides an intelligent controller which comprises a power input module, a circuit protection module, a power management module, a main control chip, a 4G module and a cloud server. Wherein the power input module is electrically connected with the circuit protection module, the circuit protection module is electrically connected with the power management module, the power management module is electrically connected with the main control chip and the 4G module, the 4G module is in communication connection with the cloud server, and the PC terminal and the mobile terminal are in communication connection with the cloud server. The main control chip comprises a data acquisition module and a data processing module, the data acquisition module is used for acquiring a load state, the data processing module is used for load control, the intelligent controller provided by the utility model is suitable for scenes of remote monitoring, power management and load control, the operation efficiency of equipment can be improved, the energy consumption is reduced, and the cost is reduced. And meanwhile, through real-time data analysis and intelligent control, the stability and response capability of the equipment are improved, the maintenance cost is reduced, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of safe power use, and specifically relates to an intelligent controller. Background Art

[0002] With the continuous progress of technology, remote intelligent control technology has been widely applied in many fields. This technology realizes the intelligent control of devices through remote operation, thereby improving the operation efficiency of the devices, reducing energy consumption, and providing a more convenient operation experience for users.

[0003] Although remote intelligent control technology has achieved remarkable development results, it still faces some challenges and problems. For example, due to the differences between different devices, the load cannot work properly or shows unstable conditions. Therefore, how to ensure the safety and reliability of the load and meet the changing user needs has become an important problem to be solved. Content of the Utility Model

[0004] In order to overcome the problems existing in the prior art, the utility model provides an intelligent controller, which adopts the following technical solutions:

[0005] An intelligent controller includes a power input module, a circuit protection module, a power management module, a main control chip, a 4G module, and a cloud server; wherein the power input module is electrically connected to the circuit protection module, the circuit protection module is electrically connected to the power management module, the power management module is electrically connected to the main control chip and the 4G module, the 4G module is communicatively connected to the cloud server, and a PC terminal and a mobile terminal are communicatively connected to the cloud server; the main control chip includes a data acquisition module and a data processing module, wherein the data acquisition module is used to obtain the load status, and the data processing module is used for load control.

[0006] Further, the input power of the power input module is a DC power supply.

[0007] Further, the anode of the diode D1 in the circuit protection module is connected to the power input module, the cathode of the diode D1 is connected to one end of the self - reset fuse F2, the polarized capacitor CP1 is connected in parallel with the capacitors C2, C1, and C3, the other end of the self - reset fuse F2 is connected to the anode end of the parallel - connected polarized capacitor CP1 and connected to VIN1, the other anode end of the parallel - connected polarized capacitor CP1 is connected to the pin 7 of MP1584EN in the power management module, and one cathode end of the parallel - connected polarized capacitor CP1 is connected to one end of the resistor R10 and grounded, and one end of the resistor R10 is connected to the pin 6 of MP1584EN in the power management module.

[0008] Further, pin BST of MP1584EN in the power management module is connected to one end of capacitor C4. The other end of capacitor C4 is connected to the cathode of diode D4 and one end of inductor L1. The anode of diode D4 is grounded. The other end of inductor L1 is connected to one end of resistor R14 and the anode of polarized capacitor CP2. One end of resistor R14 is connected to one end of resistor R12 and is connected to pin 4 of MP1584EN. The other end of resistor R12 is connected to one end of resistor R11. The other end of resistor R11 is connected to one end of capacitor C6. The other end of capacitor C6 is connected to pin 3 of MP1584EN. One end of capacitor C9 is connected to the anode of polarized capacitor CP2 and one end of self - recovery fuse F5. The other end of self - recovery fuse F5 is connected to the cathode of diode D7 to output 3.8V voltage. The other end of capacitor C9, the other end of the cathode of polarized capacitor CP2, and the anode of the diode are grounded.

[0009] Further, the voltage conversion circuit includes that pin 3 of RT9193 - 33V is connected to one end of capacitor C15, pin 1 of RT9193 - 33V, and the 3.8V voltage input terminal. The other end of capacitor C15 is connected to pin 2 of RT9193 - 33V, is connected to one end of capacitor C13 and is grounded. The other end of capacitor C13 is connected to pin 5 of RT9193 - 33V to output 3.3V voltage.

[0010] Further, the main control chip is connected to the voltage conversion circuit through a 3.3V voltage input interface, and the voltage conversion circuit is connected to the power management module through a 3.8V voltage input interface.

[0011] Further, the 4G module is connected to the PA11 pin of the main control chip STM32F103C8T6 through resistor R20 connected to pin 6 of A7680C; the 4G module is connected to the collector of triode Q3 through pin 39 of A7680C. The emitter of triode Q3 is connected to one end of resistor R25 and is grounded. The other end of resistor R25 is connected to the base of triode Q3 and one end of resistor R24. The other end of resistor R24 is connected to the PA12 pin of the main control chip STM32F103C8T6. The 4G module is connected to the collector of triode Q4 through pin 29 of A7680C. The emitter of triode Q4 is connected to one end of resistor R33 and is grounded. The other end of resistor R33 is connected to the base of triode Q4 and one end of resistor R34. The other end of resistor R34 is connected to the PA15 pin of the main control chip STM32F103C8T6; polarized capacitor CP3 is connected in parallel with capacitor C18 and capacitor C17. The anode of the parallel - connected polarized capacitor CP3 is connected to the 3.8V voltage input terminal, pin 34 of the main control chip STM32F103C8T6, pin 35 of the main control chip STM32F103C8T6, pin 36 of the main control chip STM32F103C8T6, and pin 37 of the main control chip STM32F103C8T6.

[0012] Further, the load control is connected to one end of a resistor R27 through pin 1 of ULN2003A, and the other end of the resistor R27 is connected to pin PA6 of the main control chip STM32F103C8T6; it is connected to one end of a resistor R28 through pin 2 of ULN2003A, and the other end of the resistor R28 is connected to pin PA5 of the main control chip STM32F103C8T6; it is connected to one end of a resistor R29 through pin 6 of ULN2003A, and the other end of the resistor R29 is connected to pin PA4 of the main control chip STM32F103C8T6; it is connected to one end of a resistor R30 through pin 7 of ULN2003A, and the other end of the resistor R30 is connected to pin PA7 of the main control chip STM32F103C8T6. One end of a capacitor C12 is connected to pin 8 of ULN2003A and grounded, and the other end of the capacitor C12 is connected to pin 9 of ULN2003A and connected to VIN1.

[0013] Further, the load control further includes that the anode of a diode D8 is connected to pin 1 of a relay J5 and is connected to pin 16 of ULN2003A, and the cathode of the diode D8 is connected to pin 4 of the relay J5 and connected to VIN; the anode of a diode D9 is connected to pin 1 of a relay J4 and is connected to pin 15 of ULN2003A, and the cathode of the diode D9 is connected to pin 4 of the relay J4 and connected to VIN; the anode of a diode D10 is connected to pin 1 of a relay J3 and is connected to pin 11 of ULN2003A, and the cathode of the diode D10 is connected to pin 4 of the relay J3 and connected to VIN; the anode of a diode D11 is connected to pin 1 of a relay J2 and is connected to pin 10 of ULN2003A, and the cathode of the diode D11 is connected to pin 4 of the relay J2 and connected to VIN.

[0014] The utility model has the following beneficial effects:

[0015] 1. After the power supply is input, through the unidirectional conduction characteristic of the D1 diode in the circuit protection module of the utility model, when the input power supply is reversely connected to cause a reverse voltage, the D1 diode will prevent these reverse currents from passing through the circuit, preventing other components (such as electronic devices or relays) in the circuit from being damaged or burned out, and playing a reverse connection protection for the intelligent controller. After the power supply is input, through the F2 self - restoring fuse in the circuit protection module of the utility model, when the load is abnormal and the current becomes larger, the self - restoring fuse disconnects, playing an over - current protection for the intelligent controller. After the power supply is input, through the D2 zener diode in the circuit protection module of the utility model, when the input voltage is too high, the D2 zener diode will conduct reversely, and at the same time the current will also increase, causing the self - restoring fuse to disconnect to achieve over - voltage protection for the intelligent controller. The utility model protects the intelligent control circuit according to the characteristics of the input voltage in the circuit protection module, ensuring the safety of the load.

[0016] 2. The utility model controls each load path by using two relays, adding a function of polarity interchange for load control. Based on different user requirements in different usage scenarios, the intelligent controller has better compatibility, can meet the changing customer needs, and ensures the safety and reliability of the load.

[0017] 3. The intelligent controller provided by the utility model is applicable to scenarios of remote monitoring, power management, and load control. It can improve the operation efficiency of the device, reduce energy consumption. At the same time, through real-time data analysis and intelligent control, it can enhance the stability and response ability of the device, reduce maintenance costs, and improve the user experience. Meanwhile, the main board of the intelligent controller of the utility model is compact, with low no-load power consumption, easy to install, communicates based on the 4G network, has small delay and high accuracy, and can achieve load control. Description of the Drawings

[0018] Figure 1 It is a working flowchart of an intelligent controller according to an embodiment of the utility model;

[0019] Figure 2 It is a schematic circuit diagram of a circuit protection module and a power management module according to an embodiment of the utility model;

[0020] Figure 3 It is a schematic circuit diagram of a voltage conversion module according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of a main control chip according to an embodiment of the utility model;

[0022] Figure 5 It is a schematic circuit diagram of a 4G module according to an embodiment of the utility model;

[0023] Figure 6 It is a schematic circuit diagram of a load control circuit according to an embodiment of the utility model. Detailed Implementation Modes

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the utility model belongs; the terms used in the description of the utility model herein are only for the purpose of describing specific embodiments, and are not intended to limit the utility model; the terms "including" and "having" and any variations thereof in the description and claims of the utility model and the above description of the drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the description and claims of the utility model or the above drawings are used to distinguish different objects, rather than to describe a specific order.

[0025] References to "embodiments" in this document mean that the specific features, structures, or characteristics described in connection with the embodiments can be included in at least one embodiment of the present utility model. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0026] The present utility model provides an intelligent controller, as Figure 1 shown, which includes a power input module, a circuit protection module, a power management module, a main control chip, a 4G module, and a cloud server; wherein the power input module is electrically connected to the circuit protection module, the circuit protection module is electrically connected to the power management module, the power management module is electrically connected to the main control chip and the 4G module, the 4G module is communicatively connected to the cloud server, and a PC terminal and a mobile terminal are communicatively connected to the cloud server; the main control chip includes a data acquisition module and a data processing module, wherein the data acquisition module is used to obtain the load status, and the data processing module is used for load control.

[0027] Among them, the power input module is electrically connected to the circuit protection module, and the power input module is used to provide power for the intelligent controller; the circuit protection module is electrically connected to the power management module, and the circuit protection module includes a diode for reverse connection protection, a self - recovering fuse for over - current protection, and a zener diode for over - voltage protection; after the power passes through the circuit protection module, the power management module steps down the power and outputs a stable 3.8V voltage; the power management module is electrically connected to the main control chip and the 4G module. When the power management module is connected to the main control chip, the voltage is converted to 3.3V through a voltage conversion circuit and connected to the main control chip. The main control chip includes a data acquisition module and a data processing module. The data acquisition module is used to obtain the load status, and the data processing module is used for load control; load control includes a relay, a relay driver, a diode, and a capacitor, and each load control path contains two sets of relays; the main control chip and the 4G module are electrically connected, and the main control chip and the 4G module communicate bidirectionally; the 4G module is communicatively connected to the cloud server, and the cloud server and the 4G module communicate bidirectionally. The cloud server is used to obtain the instruction information of the terminal or send data to the terminal.

[0028] In this embodiment, the input power of the power input module is a DC power supply.

[0029] In this embodiment, the circuit schematic diagram of the circuit protection module is as Figure 2As shown in the figure, the anode of diode D1 in the circuit protection module is connected to the power input module, the cathode of diode D1 is connected to one end of the self - recovering fuse F2, the polarized capacitor CP1 is connected in parallel with capacitors C2, C1, and C3. The other end of the self - recovering fuse F2 is connected to the anode of the polarized capacitor CP1 after parallel connection and is connected to VIN1. The other anode of the polarized capacitor CP1 after parallel connection is connected to pin 7 of MP1584EN in the power management module. One end of the cathode of the polarized capacitor CP1 after parallel connection is connected to one end of resistor R10 and grounded, and one end of resistor R10 is connected to pin 6 of MP1584EN in the power management module. Figure 2 The D1 diode in Figure 2 has the unidirectional conduction characteristic, and based on the unidirectional conduction characteristic of the D1 diode, it plays a role in reverse connection protection for the circuit; F2 is a self - recovering fuse. When the load is abnormal and the current becomes larger, the self - recovering fuse disconnects to play an over - current protection role; D2 is a zener diode. Based on the zener diode characteristic, when the input voltage is too high, the zener diode will conduct in the reverse direction, and at the same time, the current will also increase, causing the self - recovering fuse to disconnect to achieve over - voltage protection.

[0030] In this embodiment, the circuit schematic diagram of the power management module is as Figure 2 shown. Pin BST of MP1584EN in the power management module is connected to one end of capacitor C4. The other end of capacitor C4 is connected to the cathode of diode D4 and one end of inductor L1. The anode of diode D4 is grounded. The other end of inductor L1 is connected to one end of resistor R14 and the anode of the polarized capacitor CP2. One end of resistor R14 is connected to one end of resistor R12 and is connected to pin 4 of MP1584EN. The other end of resistor R12 is connected to one end of resistor R11. The other end of resistor R11 is connected to one end of capacitor C6. The other end of capacitor C6 is connected to pin 3 of MP1584EN. One end of capacitor C9 is connected to the anode of the polarized capacitor CP2 and one end of the self - recovering fuse F5. The other end of the self - recovering fuse F5 is connected to the cathode of diode D7 to output a 3.8V voltage. The other end of capacitor C9, the other end of the cathode of the polarized capacitor CP2, and the anode of the diode are grounded. The circuit protection module and the power management module in this embodiment are circuits based on the MP1584EN chip. MP1584EN is a very common buck - type DC - DC converter chip, which is often used in the power management circuits of electronic devices. It has the characteristics of high efficiency and stable performance, and is suitable for various applications that require a stable output voltage. At the same time, the power management circuit of the present utility model has a wide input operating range of 4.5V to 28V, a programmable switching frequency from 100kHz to 1.5MHz, a high - efficiency pulse - skipping mode for light loads, an internal soft start, and an internal current limit without a current - sensing resistor. In this embodiment, the DC power supply inputs the DC power supply into the power management module through the circuit protection module, and the power management module outputs a stable 3.8V power supply.

[0031] In this embodiment, the voltage conversion circuit is as follows Figure 3 shown. The voltage conversion circuit includes: Pin 3 of RT9193-33V is connected to one end of capacitor C15, Pin 1 of RT9193-33V is connected to the 3.8V voltage input terminal. The other end of capacitor C15 is connected to Pin 2 of RT9193-33V, connected to one end of capacitor C13 and grounded. The other end of capacitor C13 is connected to Pin 5 of RT9193-33V to output 3.3V voltage. In this embodiment, the voltage conversion module is a voltage conversion circuit based on the RT9193-33V chip. The voltage conversion circuit of the present utility model has the characteristics of high efficiency and low power consumption. The output current can reach 500mA, and high-efficiency energy conversion can be ensured under light load, no-load, and overload conditions. The output voltage stability of RT9193-33GB is high, the accuracy is less than ±2%, and it has low-temperature drift and high-temperature stability.

[0032] In this embodiment, the main control chip is connected to the voltage conversion circuit through a 3.3V voltage input interface, and the voltage conversion circuit is connected to the power management module through a 3.8V voltage input interface.

[0033] In this embodiment, the schematic diagram of the main control chip is as follows Figure 4 shown, and the 4G module is as follows Figure 5As shown, the 4G module is connected to the PA11 pin of the main control chip STM32F103C8T6 through resistor R20 connected to pin 6 of A7680C; the 4G module is connected to the collector of triode Q3 through pin 39 of A7680C. The emitter of triode Q3 is connected to one end of resistor R25 and grounded. The other end of resistor R25 is connected to the base of triode Q3 and one end of resistor R24. The other end of resistor R24 is connected to the PA12 pin of the main control chip STM32F103C8T6. The 4G module is connected to the collector of triode Q4 through pin 29 of A7680C. The emitter of triode Q4 is connected to one end of resistor R33 and grounded. The other end of resistor R33 is connected to the base of triode Q4 and one end of resistor R34. The other end of resistor R34 is connected to the PA15 pin of the main control chip STM32F103C8T6. The polarized capacitor CP3 is connected in parallel with capacitor C18 and capacitor C17. The anode of the parallel-connected polarized capacitor CP3 is connected to the 3.8V voltage input terminal, pin 34 of the main control chip STM32F103C8T6, pin 35 of the main control chip STM32F103C8T6, pin 36 of the main control chip STM32F103C8T6, and pin 37 of the main control chip STM32F103C8T6. The main control chip in this embodiment is the STM32F103C8T6 chip and its peripheral circuit. STM32F103C8T6 is equipped with a core based on ARM Cortex-M3, with a working frequency of up to 72MHz, providing sufficient processing speed for executing complex algorithms and tasks, and is suitable for intelligent control applications that require fast data processing and response. It is equipped with a wide range of peripheral interfaces, including but not limited to ADC (Analog-to-Digital Converter), DAC (Digital-to-Analog Converter), USART / UART, SPI, and I 2 C communication protocol, as well as USB interface and CAN bus. While maintaining high computing performance, it also maintains low power consumption, which is especially crucial for intelligent devices with long operating times and limited power supply. The 4G module in this embodiment is a 4G communication circuit based on the A7680C chip. A7680C (R5 series) is an ultra-small and ultra-thin LTE Cat 1 module based on the ASR1602 platform, supporting LTE-TDD / LTE-FDD wireless communication standards. This product supports a maximum downlink rate of 10Mbps and a maximum uplink rate of 5Mbps. A7680C incorporates a variety of network protocols and rich hardware interfaces to meet various design requirements such as remote upgrade (FOTA), base station positioning (LBS)*, and TLS protocol.

[0034] In this embodiment, the load control is as follows Figure 6As shown in the figure, for the load control, one end of resistor R27 is connected to pin 1 of ULN2003A, and the other end of resistor R27 is connected to pin PA6 of the main control chip STM32F103C8T6; one end of resistor R28 is connected to pin 2 of ULN2003A, and the other end of resistor R28 is connected to pin PA5 of the main control chip STM32F103C8T6; one end of resistor R29 is connected to pin 6 of ULN2003A, and the other end of resistor R29 is connected to pin PA4 of the main control chip STM32F103C8T6; one end of resistor R30 is connected to pin 7 of ULN2003A, and the other end of resistor R30 is connected to pin PA7 of the main control chip STM32F103C8T6. One end of capacitor C12 is connected to pin 8 of ULN2003A and grounded, and the other end of capacitor C12 is connected to pin 9 of ULN2003A and connected to VIN1.

[0035] In this embodiment, for the load control, the anode of diode D8 is connected to pin 1 of relay J5 and also connected to pin 16 of ULN2003A, and the cathode of diode D8 is connected to pin 4 of relay J5 and connected to VIN; the anode of diode D9 is connected to pin 1 of relay J4 and also connected to pin 15 of ULN2003A, and the cathode of diode D9 is connected to pin 4 of relay J4 and connected to VIN; the anode of diode D10 is connected to pin 1 of relay J3 and also connected to pin 11 of ULN2003A, and the cathode of diode D10 is connected to pin 4 of relay J3 and connected to VIN; the anode of diode D11 is connected to pin 1 of relay J2 and also connected to pin 10 of ULN2003A, and the cathode of diode D11 is connected to pin 4 of relay J2 and connected to VIN. The load control includes a relay driver, relays, and diodes. Each path of load control is controlled by two groups of relays. Among them, each group of relays is connected to the relay driver in parallel with a diode. In this embodiment, the relay driver is ULN2003A, the relay is SRD-12VDC-SL-C, and the diode model is 1N4007. SRD-12VDC-SL-C is small in size and large in contact, can drive large-current loads, and can operate in an environment with relatively large variations. The 1N4007 is added in the circuit for freewheeling effect to effectively protect the driving components. ULN2003A is a high-current Darlington transistor array, and the circuit internally contains seven independent Darlington transistor drive circuits. The circuit is internally designed with freewheeling diodes and is a dedicated drive chip for relays, with large electrode output current, high voltage resistance, and input compatible with TTL / CMOS logic signals.

[0036] The working principle of the present utility model is as follows: The present utility model sends command information through a PC terminal or a mobile terminal. The cloud server receives the command information and transmits the command information to the main control chip through the 4G module. The main control chip collects or processes the received command information.

[0037] When the instruction information obtained by the main control chip is data acquisition, the main control chip obtains the load status through the power management module, returns the load status to the cloud server through the 4G module, and the cloud server returns the load status to the PC terminal or the mobile terminal.

[0038] When the instruction information obtained by the main control chip is data processing, the main control chip implements load control based on the instruction information.

[0039] In the present utility model, two relays are used for control in each load control path, which adds the function of polarity interchange for load control. Based on different user requirements in different usage scenarios, the intelligent controller has better compatibility.

[0040] In this embodiment, two relays are used for control in each load control path. When the power supply polarity is connected wrongly, the intelligent controller can still be used normally, reducing the maintenance or replacement cost caused by polarity errors and improving the reliability of the device and user satisfaction.

[0041] Obviously, the embodiments described above are only a part of the embodiments of the present utility model, rather than all of them. The preferred embodiments of the present utility model are shown in the drawings, but do not limit the patent scope of the present utility model. The present utility model can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosed content of the present utility model more thorough and comprehensive. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing specific embodiments, or perform equivalent replacements for some of the technical features. Any equivalent structure made by using the specification and drawings of the present utility model, directly or indirectly applied in other related technical fields, shall be similarly within the scope of the patent protection of the present utility model.

Claims

1. An intelligent controller, characterized in that: include: Power input module, circuit protection module, power management module, main control chip, 4G module, cloud server; The power input module is electrically connected to the circuit protection module, the circuit protection module is electrically connected to the power management module, the power management module is electrically connected to the main control chip and the 4G module, the 4G module is communicatively connected to the cloud server, and the PC terminal and the mobile terminal are communicatively connected to the cloud server; the main control chip includes a data acquisition module and a data processing module, wherein the data acquisition module is used to obtain the load status, and the data processing module is used for load control.

2. The intelligent controller according to claim 1, characterized in that: The input power of the power input module is a direct current power supply.

3. The intelligent controller according to claim 1, characterized in that: The anode of the diode D1 in the circuit protection module is connected to the power input module, the cathode of the diode D1 is connected to one end of the self-recovery fuse F2, the polarity capacitor CP1 is connected in parallel with the capacitor C2, the capacitor C1, and the capacitor C3, the other end of the self-recovery fuse F2 is connected to one end of the anode of the polarity capacitor CP1 after parallel connection and connected to VIN1, the other end of the anode of the polarity capacitor CP1 after parallel connection is connected to the MP1584EN pin 7 in the power management module, the cathode end of the polarity capacitor CP1 after parallel connection is connected to one end of the resistor R10 and grounded, and one end of the resistor R10 is connected to the MP1584EN pin 6 in the power management module.

4. The intelligent controller according to claim 3, characterized in that: The MP1584EN pin BST in the power management module is connected to one end of the capacitor C4, the other end of the capacitor C4 is connected to the cathode of the diode D4 and one end of the inductor L1, the anode of the diode D4 is grounded, the other end of the inductor L1 is connected to one end of the resistor R14 and the anode of the polar capacitor CP2, one end of the resistor R14 is connected to one end of the resistor R12 and to the MP1584EN pin 4, the other end of the resistor R12 is connected to one end of the resistor R11, the other end of the resistor R11 is connected to one end of the capacitor C6, the other end of the capacitor C6 is connected to the MP1584EN pin 3, one end of the capacitor C9 is connected to the anode of the polar capacitor CP2 and one end of the resettable fuse F5, the other end of the resettable fuse F5 is connected to the cathode of the diode D7 to output a 3.8V voltage, the other end of the capacitor C9, the other end of the cathode of the polar capacitor CP2, and the anode of the diode are grounded.

5. The intelligent controller according to claim 1, characterized in that: The main control chip is connected to the voltage conversion circuit via a 3.3V voltage input interface, and the voltage conversion circuit is connected to the power management module via a 3.8V voltage input interface.

6. The intelligent controller according to claim 5, characterized in that: The voltage conversion circuit includes pin 3 of RT9193-33V connected to one end of capacitor C15, pin 1 of RT9193-33V, and a 3.8V voltage input end; the other end of capacitor C15 is connected to pin 2 of RT9193-33V, connected to one end of capacitor C13 and grounded; the other end of capacitor C13 is connected to pin 5 of RT9193-33V to output a 3.3V voltage.

7. The intelligent controller according to claim 1, characterized in that: The 4G module is connected to the PA11 pin of the main control chip STM32F103C8T6 by connecting the resistor R20 through the A7680C pin 6; the 4G module is connected to the collector of the transistor Q3 through the A7680C pin 39, the emitter of the transistor Q3 is connected to one end of the resistor R25 and grounded, the other end of the resistor R25 is connected to the base of the transistor Q3 and one end of the resistor R24, the other end of the resistor R24 ​​is connected to the PA12 pin of the main control chip STM32F103C8T6, the 4G module is connected to the collector of the transistor Q4 through the A7680C pin 29, the emitter of the transistor Q4 is connected to the resistor R33 One end is connected to the ground, the other end of the resistor R33 is connected to the base of the transistor Q4 and one end of the resistor R34, and the other end of the resistor R34 is connected to the PA15 pin of the main control chip STM32F103C8T6; the polar capacitor CP3 is connected in parallel with the capacitor C18 and the capacitor C17, and the anode of the parallel polar capacitor CP3 is connected to the 3.8V voltage input terminal, the pin 34 of the main control chip STM32F103C8T6, the pin 35 of the main control chip STM32F103C8T6, the pin 36 of the main control chip STM32F103C8T6, and the pin 37 of the main control chip STM32F103C8T6.

8. The intelligent controller according to claim 1, characterized in that: The load control is connected to one end of resistor R27 through ULN2003A pin 1, and the other end of resistor R27 is connected to the PA6 pin of the main control chip STM32F103C8T6; one end of resistor R28 is connected through ULN2003A pin 2, and the other end of resistor R28 is connected to the PA5 pin of the main control chip STM32F103C8T6; one end of resistor R29 is connected through ULN2003A pin 6, and the other end of resistor R29 is connected to the PA4 pin of the main control chip STM32F103C8T6; one end of resistor R30 is connected through ULN2003A pin 7, and the other end of resistor R30 is connected to the PA7 pin of the main control chip STM32F103C8T6, one end of capacitor C12 is connected to ULN2003A pin 8 and grounded, and the other end of capacitor C12 is connected to ULN2003A pin 9 and connected to VIN1.

9. The intelligent controller according to claim 8, characterized in that: The load control also includes a diode D8 anode connected to relay J5 pin 1 and connected to ULN2003A pin 16, a diode D8 cathode connected to relay J5 pin 4 and connected to VIN; a diode D9 anode connected to relay J4 pin 1 and connected to ULN2003A pin 15, a diode D9 cathode connected to relay J4 pin 4 and connected to VIN; The anode of diode D10 is connected to pin 1 of relay J3 and to pin 11 of ULN2003A, and the cathode of diode D10 is connected to pin 4 of relay J3 and to VIN; the anode of diode D11 is connected to pin 1 of relay J2 and to pin 10 of ULN2003A, and the cathode of diode D11 is connected to pin 4 of relay J2 and to VIN.

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