An intelligent socket
The smart socket, with its dual overload protection and multi-mode wireless communication module, solves the safety and communication limitations of traditional sockets, achieving efficient power safety and intelligent control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI HONGTAN INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-28
- Publication Date
- 2026-06-19
AI Technical Summary
Traditional sockets have limited functionality and cannot meet the needs of electrical safety, electrical data monitoring, and intelligent control. They also suffer from slow response times due to their single protection mechanism and limited communication methods.
It adopts a dual overload protection mechanism and a multi-mode wireless communication module, combined with a data acquisition module, a control module, a power supply module and a multi-mode wireless communication module, to achieve dual overload protection and multi-protocol communication.
It significantly improves electrical safety and functionality, ensuring that even if one protection unit fails, another unit can still cut off the circuit, reducing the risk of fire, and enhancing the product's adaptability to different network environments.
Smart Images

Figure CN224384708U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of socket technology, specifically to a smart socket. Background Technology
[0002] Traditional sockets have limited functionality, only enabling simple power on and off operations, and cannot meet users' needs for electrical safety, power data monitoring, and intelligent control.
[0003] While existing smart sockets offer remote control and timed on / off functions, they still have the following limitations:
[0004] Single protection mechanism: Traditional overload protection relies on a single protection device, which has a slow response speed and lacks redundancy design. Once the protection unit fails, it may cause safety hazards.
[0005] Limited communication methods: Existing products mostly rely on a single communication protocol, which is easily interfered with in complex environments and is difficult to achieve efficient linkage with other smart home devices (such as Bluetooth speakers and ZigBee sensors);
[0006] To address the aforementioned issues, this application proposes a smart socket that significantly improves security and functionality through hardware redundancy design and intelligent algorithms. Utility Model Content
[0007] To address the shortcomings of existing technologies, this application provides a smart socket.
[0008] To address the above problems, this application provides the following technical solution:
[0009] A smart socket includes:
[0010] The data acquisition module is used to collect the power, current, voltage and temperature of the smart socket in real time;
[0011] The control module receives data from the data acquisition module, analyzes and judges whether any abnormalities have occurred.
[0012] The overload protection module includes a first protection unit and a second protection unit; the first protection unit receives the control signal from the control module and disconnects the load circuit; the second protection unit receives the abnormal signal from the data acquisition module and automatically disconnects the load circuit.
[0013] The power supply module is used to convert AC 220V to DC 5V / 3.3V to power the data acquisition module, control module and overload protection module;
[0014] A multi-mode wireless communication module includes a first communication unit and a second communication unit; the first communication unit receives data information from a remote server; the second communication unit supports scene linkage with signals from other devices.
[0015] The local button module allows direct control of the smart socket's power supply via local buttons;
[0016] The data acquisition module transmits data to the control module via wired communication, the control module transmits data to the first protection unit via wired communication, and the data acquisition module transmits data to the second protection unit via wired communication.
[0017] Preferably, the data acquisition module includes a first sampling resistor, a second sampling resistor, a metering chip, a current detection amplifier, and a temperature sensor; the metering chip measures voltage, current, power, and energy in real time through the first sampling resistor; the current detection amplifier detects the current of the smart socket through the second sampling resistor; and the temperature sensor is used to detect the temperature of the smart socket.
[0018] Preferably, the control module includes a microcontroller.
[0019] Preferably, the first protection unit includes a first transistor and a relay; the first transistor receives the control signal from the control module to drive the relay to disconnect the load circuit.
[0020] Preferably, the second communication unit includes a comparator, a second transistor, and a relay; the comparator receives a signal from the current sensing amplifier, and when a short circuit occurs, the comparator turns on the second transistor, which drives the relay to disconnect the load circuit.
[0021] Preferably, the power module includes a fuse, a varistor, an AC-DC conversion unit, and a linear regulator; the fuse is used to prevent excessive current when the circuit is short-circuited; the varistor is used to absorb voltage spikes generated during overvoltage; the AC-DC conversion unit is used to convert AC 220V to DC 5V; and the linear regulator is used to convert DC 5V to DC 3.3V.
[0022] Preferably, the first communication unit transmits data with a remote server through a LoRaWAN gateway and is compatible with third-party network server platforms; the second communication unit is at least compatible with D2D communication, Bluetooth, WiFi and NFC configurations.
[0023] Compared with the prior art, this application provides a smart socket with the following advantages:
[0024] This smart socket features dual overload protection to ensure electrical safety. The dual protection mechanisms serve as backups for each other, so even if one unit fails, the other unit can still effectively cut off the circuit, significantly reducing the risk of fire or equipment damage.
[0025] This smart socket enhances scenario compatibility through multi-mode wireless communication; its support for multiple protocols allows it to adapt to different network environments, improving product versatility.
[0026] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description
[0027] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0028] Figure 1 This is a schematic diagram of a smart socket according to this application;
[0029] Figure 2 This is a schematic diagram of a smart socket circuit according to this application;
[0030] Figure 3 This is a schematic diagram of a smart socket panel structure according to this application.
[0031] Attached reference numerals: 1 Data acquisition module, 2 Control module, 3 Overload protection module, 6 Multi-mode wireless communication module, 7 Local button module, 8 Two-hole socket, 9 Three-hole socket, 10 Indicator light, 11 NFC sensing area. Detailed Implementation
[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0033] The terms "first" and "second" in the specification and claims of this application may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise stated, "multiple" means two or more. Furthermore, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0034] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0036] Please see Figures 1-3 This application provides a new technical solution: a smart socket, comprising:
[0037] Data acquisition module 1, control module 2, overload protection module 3, power supply module 4, indicator light 5, multi-mode wireless communication module 6, local button module 7;
[0038] The data acquisition module 1 includes a first sampling resistor R1, a second sampling resistor R14, a metering chip U6, a current detection amplifier U2, and a temperature sensor U8. The metering chip U6 measures voltage, current, power, and energy in real time through the first sampling resistor R1. The current detection amplifier U2 detects the current of the smart socket through the second sampling resistor R14. The temperature sensor U8 is used to detect the temperature of the smart socket.
[0039] In this embodiment, the VDD pin of the metering chip U6 is connected to a 5V voltage, the GND pin of the metering chip U6 is grounded, the IP and IN pins of the metering chip U6 are respectively connected to the two ends of the first sampling resistor R1, and are connected in series with resistors R11 and R10 respectively for current acquisition; the VP pin of the metering chip U6 is connected to the voltage divider network R12 and R13; the RX pin of the metering chip U6 is connected to the PA2 pin of the microcontroller U1, and the TX pin of the metering chip U6 is connected to the PA3 pin of the microcontroller U1.
[0040] The temperature sensor U8 pin VDD is connected to a 3.3V voltage, the temperature sensor U8 pin DQ is connected to the microcontroller U1 pin PA0, and the temperature sensor U8 pin GND is grounded.
[0041] The current-sensing amplifier U2 is connected in parallel across the second sampling resistor R14.
[0042] In this invention, the control module 2 includes a microcontroller U1. The microcontroller U1 pushes alarm information to the user and triggers power-off protection through the multi-mode wireless communication module 6.
[0043] In this invention, the first protection unit 310 includes a first transistor Q1 and a relay U7; the first transistor Q1 receives the control signal from the control module U1 and drives the relay U7 to disconnect the load H1 circuit.
[0044] In this embodiment, the first transistor Q1 is connected to pin PB0 of the microcontroller U1, and a resistor R9 is connected in series between the first transistor Q4 and the microcontroller U1. The collector of the first transistor Q1 is connected to pin 1 of the relay U7. The microcontroller U1 receives data signals from the data acquisition module 1 and the multi-mode wireless communication module 6, outputs a high level, turns on the first transistor Q1, and drives the relay U7 to disconnect the load H1 circuit.
[0045] In this invention, the second protection unit includes a comparator U3.1, a second transistor Q2, and a relay U7; the comparator U3.1 receives the signal from the current detection amplifier U2, and when a short circuit occurs, the comparator U3.1 turns on the second transistor Q2, and the second transistor Q2 drives the relay U7 to cut off the load H1 circuit.
[0046] In this embodiment, the output of the current sensing amplifier U2 is connected to the non-inverting input of comparator U3.1 after being filtered by an RC filter, and the inverting input is connected to a reference voltage. When a short circuit occurs, the voltage at the non-inverting input of comparator U3.1 is greater than the inverting input voltage, comparator U3.1 outputs a high level, turns on the second transistor Q2, and drives the relay U7 to disconnect the load H1 circuit.
[0047] The base of the second transistor Q2 is connected to the comparator U3.1. Resistor R6 is connected in series between the second transistor Q2 and the comparator U3.1. The base of the second transistor Q2 is connected to a 5V power supply. The emitter of the second transistor Q2 is grounded. The collector of the second transistor Q2 is connected to pin 1 of the relay U7, resistor R7 and capacitor C3. When a short circuit occurs, C3 discharges quickly through R7, accelerating the relay U7 to cut off the circuit.
[0048] In this embodiment, pin 4 of relay U7 is connected to a 5V voltage, pin 2 of relay U7 is connected to the input terminal of the load, and pin 5 of relay U7 is connected to the live wire L.
[0049] The power supply module includes a fuse F1, a varistor R3, an AC-DC conversion unit U4, and a linear regulator U5. The fuse F1 is used to prevent excessive current when the circuit is short-circuited. The varistor R3 is used to absorb voltage spikes generated during overvoltage. The AC-DC conversion unit U4 is used to convert AC 220V to DC 5V. The linear regulator U5 is used to convert DC 5V to DC 3.3V.
[0050] In a specific embodiment, fuse F1 is connected in series in the input path of the live wire L. Pin 1 of fuse F1 is connected to the live wire L. Pin 2 of fuse F1 is connected to pin 2 of varistor R3. Pin 1 of varistor R3 is connected to the neutral wire N. Pin 2 of varistor R3 is connected to pin 2 of AC-DC converter U4. Pin 1 of AC-DC converter U4 is connected to the neutral wire N. Pin 4 of AC-DC converter U4 outputs a 5V voltage. Pin 4 of AC-DC converter U4 is connected to pin 3 of linear regulator U5. Pin 3 of AC-DC converter U4 and pin 1 of linear regulator U5 are grounded together. Pin 4 of AC-DC converter U4 outputs a 3.3V voltage to power microcontroller U1. Pin 4 of AC-DC converter U4 is connected to pin VCC of microcontroller U1.
[0051] In this invention, the first communication unit transmits data with a remote server through a LoRaWAN gateway and is compatible with third-party network server platforms; the second protection unit is at least compatible with D2D communication, Bluetooth, WiFi and NFC configurations.
[0052] In this invention, the first communication unit transmits data with a remote server through a LoRaWAN gateway and is compatible with third-party network server platforms; the second communication unit is at least compatible with D2D communication, Bluetooth, WiFi and NFC configurations.
[0053] The smart socket sends control commands to associated devices, such as sending a "power on" command to the air conditioner socket or receiving control commands from associated devices; it receives status signals from associated devices in real time through D2D communication. Associated devices include at least smart lights, smart door locks, temperature and humidity sensors, and curtain motors.
[0054] A smart socket panel structure includes a two-hole socket 8, a three-hole socket 9, a local button module 7, an indicator light 10, and an NFC sensing area 11.
[0055] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0056] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An intelligent socket, characterized in that, include: The data acquisition module is used to collect the power, current, voltage and temperature of the smart socket in real time; The control module receives data from the data acquisition module, analyzes and judges whether any abnormalities have occurred. The overload protection module includes a first protection unit and a second protection unit; the first protection unit receives the control signal from the control module and disconnects the load circuit; the second protection unit receives the abnormal signal from the data acquisition module and automatically disconnects the load circuit. The power supply module is used to convert AC 220V to DC 5V / 3.3V to power the data acquisition module, control module and overload protection module; A multi-mode wireless communication module includes a first communication unit and a second communication unit; the first communication unit receives data information from a remote server; the second communication unit supports scene linkage using signals from associated devices. The local button module allows direct control of the smart socket's power supply via local buttons; The data acquisition module transmits data to the control module via wired communication, the control module transmits data to the first protection unit via wired communication, and the data acquisition module transmits data to the second protection unit via wired communication.
2. The intelligent socket according to claim 1, characterized in that, The data acquisition module includes a first sampling resistor, a second sampling resistor, a metering chip, a current detection amplifier, and a temperature sensor; the metering chip measures voltage, current, power, and electrical energy in real time through the first sampling resistor. The current sensing amplifier detects the current of the smart socket through the second sampling resistor; the temperature sensor is used to detect the temperature of the smart socket.
3. The smart socket according to claim 1, wherein, The control module includes a microcontroller.
4. The smart socket of claim 1, wherein, The first protection unit includes a first transistor and a relay; the first transistor receives the control signal from the control module and drives the relay to disconnect the load circuit.
5. The smart socket of claim 1, wherein, The second protection unit includes a comparator, a second transistor, and a relay; the comparator receives a signal from the current detection amplifier, and when a short circuit occurs, the comparator turns on the second transistor, which drives the relay to disconnect the load circuit.
6. The smart socket of claim 1, wherein, The power module includes a fuse, a varistor, an AC-DC conversion unit, and a linear regulator; the fuse is used to prevent excessive current when the circuit is short-circuited; the varistor is used to absorb voltage spikes generated during overvoltage; the AC-DC conversion unit is used to convert AC 220V to DC 5V; and the linear regulator is used to convert DC 5V to DC 3.3V.
7. The smart socket of claim 1, wherein, The first communication unit transmits data with a remote server through a LoRaWAN gateway and is compatible with third-party network server platforms; the second communication unit is at least compatible with D2D communication, Bluetooth, WiFi and NFC configurations.