Fault intelligent induction early warning system suitable for socket

Abstract

The utility model discloses a fault intelligent induction early warning system suitable for a socket, and relates to the technical field of power utilization safety. The system comprises a socket live wire external terminal, a socket live wire internal terminal, a socket zero wire internal terminal, an AC side circuit information detection unit, a socket fault diagnosis and live wire on-off control unit, a DC power supply unit, a DC side control unit, a socket fault early warning information generation unit and an early warning information sending unit. Information detection and fault diagnosis can be carried out on an internal circuit of the socket through the specific connection relation of the components, and on-off control of an internal live wire of the socket and execution of a fault early warning information sending action can be carried out according to a diagnosis result, so that use can be automatically interrupted and a user can be warned when the internal circuit of the socket has a fault; therefore, a user can take corresponding remedial measures conveniently, situation deterioration and electrical safety accidents such as fire disasters are avoided, and practical application and popularization are facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of electricity safety, and in particular relates to a fault intelligent sensing early warning system suitable for sockets. Background Art

[0002] A socket, also known as a power socket or a switch socket, refers to a seat with one or more circuit wirings that can be inserted, through which various wirings can be inserted; it specifically includes wall sockets and strip sockets (that is, a socket with a movable feature) and other forms.

[0003] At present, existing sockets such as wall plugs and power strips only provide power. As for whether the sockets will encounter faults such as power line aging, leakage, short circuit or overload during use (these situations are particularly prone to occur when users often overload electricity due to many socket holes), users do not know. If they continue to use the sockets, it may lead to electrical safety accidents such as fire. Utility Model Content

[0004] The purpose of the utility model is to provide a fault intelligent sensing warning system suitable for sockets, so as to solve the problem that the existing sockets cannot automatically interrupt use and inform users when a fault occurs, which may lead to electrical safety accidents such as fire.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] In a first aspect, a fault intelligent sensing warning system for a socket is provided, comprising a live wire external terminal for the socket, a live wire internal terminal for the socket, a neutral wire internal terminal for the socket, an AC side circuit information detection unit, a socket fault diagnosis and live wire on / off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit, and a warning information sending unit;

[0007] The live wire input end of the AC side circuit information detection unit is electrically connected to the live wire external terminal of the socket, the neutral wire input end of the AC side circuit information detection unit is electrically connected to the neutral wire internal terminal of the socket, the live wire output end of the AC side circuit information detection unit is electrically connected to the live wire input end of the socket fault diagnosis and live wire on-off control unit, the neutral wire output end of the AC side circuit information detection unit is electrically connected to the neutral wire input end of the socket fault diagnosis and live wire on-off control unit, the detection information output end of the AC side circuit information detection unit is communicatively connected to the detection information input end of the socket fault diagnosis and live wire on-off control unit, and the live wire output end of the socket fault diagnosis and live wire on-off control unit is electrically connected to the live wire internal terminal of the socket;

[0008] The power supply output end of the DC power supply unit is electrically connected to the power input end of the DC side control unit, and the diagnostic information input end of the DC side control unit is communicatively connected to the diagnostic information output end of the socket fault diagnosis and live wire on / off control unit;

[0009] The DC side control unit, the socket fault warning information generating unit and the warning information sending unit are communicatively connected in sequence.

[0010] Based on the above-mentioned utility model content, a new solution is provided that can intelligently sense and warn of faults in the internal circuit of the socket, which includes a socket live wire external terminal, a socket live wire internal terminal, a socket neutral wire internal terminal, an AC side circuit information detection unit, a socket fault diagnosis and live wire on-off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit. Through their specific connection relationship, information detection and fault diagnosis can be performed on the internal circuit of the socket, and the socket internal live wire on-off control and fault warning information sending action can be executed according to the diagnosis results. In this way, when the internal circuit of the socket fails, the use can be automatically interrupted and the user can be warned, which can help the user take corresponding remedial measures to avoid the situation from worsening and the occurrence of electrical safety accidents such as fire, which is convenient for practical application and promotion.

[0011] In one possible design, the AC side circuit information detection unit includes a fuse, a first capacitor, a second capacitor, an AC power management chip, a circuit detection sensor, and a first resistor, wherein the circuit detection sensor includes a circuit current sensor, a circuit voltage sensor, and / or a circuit temperature sensor;

[0012] One end of the fuse is used as a live wire access end of the AC side circuit information detection unit, the other end of the fuse is electrically connected to one end of the first capacitor, and the other end of the first capacitor is electrically connected to the live wire access end of the AC power management chip;

[0013] One end of the second capacitor is used as the neutral line access terminal of the AC side circuit information detection unit, and the other end of the second capacitor is electrically connected to the neutral line access terminal of the AC power management chip;

[0014] The live wire output terminal of the AC power management chip is electrically connected to the live wire input terminal of the circuit detection sensor, and the neutral wire output terminal of the AC power management chip is electrically connected to the neutral wire input terminal of the circuit detection sensor;

[0015] The detection information output end of the circuit detection sensor is used as the detection information output end of the AC side circuit information detection unit, the live wire output end of the circuit detection sensor is connected to one end of the first resistor, and the other end of the first resistor is used as the live wire output end of the AC side circuit information detection unit, and the neutral wire output end of the circuit detection sensor is used as the neutral wire output end of the AC side circuit information detection unit.

[0016] In one possible design, the socket fault diagnosis and live wire on-off control unit includes an AC control chip and a solid-state relay, wherein the detection information input end of the AC control chip is used as the detection information input end of the socket fault diagnosis and live wire on-off control unit, the diagnostic information output end of the AC control chip is used as the diagnostic information output end of the socket fault diagnosis and live wire on-off control unit, the live wire input end of the AC control chip is used as the live wire input end of the socket fault diagnosis and live wire on-off control unit, the neutral wire input end of the AC control chip is used as the neutral wire input end of the socket fault diagnosis and live wire on-off control unit, the live wire output end of the AC control chip is electrically connected to one end of the contact switch branch of the solid-state relay, and the other end of the contact switch branch of the solid-state relay is used as the live wire output end of the socket fault diagnosis and live wire on-off control unit;

[0017] The control signal output terminal of the AC control chip is communicatively connected to the control signal input terminal of the solid-state relay.

[0018] In one possible design, the DC power supply unit includes a transformer, a bridge rectifier, an electrolytic capacitor, a second resistor, and a voltage regulator diode;

[0019] The two terminals of the primary winding of the transformer are electrically connected to the live wire output terminal and the neutral wire output terminal of the socket fault diagnosis and live wire on / off control unit respectively, and the two terminals of the secondary winding of the transformer are electrically connected to the two input terminals of the bridge rectifier respectively.

[0020] The positive output end of the bridge rectifier is electrically connected to the anode of the electrolytic capacitor and one end of the second resistor, respectively; the other end of the second resistor is electrically connected to the cathode of the voltage-stabilizing diode and is used as the positive power supply output end of the DC power supply unit; the negative output end of the bridge rectifier is electrically connected to the cathode of the electrolytic capacitor and the anode of the voltage-stabilizing diode, respectively; the negative output end of the bridge rectifier is also used as the negative power supply output end of the DC power supply unit.

[0021] In one possible design, the DC side control unit includes a voltage stabilizing chip, a DC control chip, a crystal oscillator module, and a first decoupling capacitor, wherein the power input terminal of the voltage stabilizing chip is used as the power input terminal of the DC side control unit, and the diagnostic information input terminal of the DC control chip serves as the diagnostic information input terminal of the DC side control unit;

[0022] The positive power output terminal and the negative power output terminal of the voltage stabilizing chip are electrically connected to the positive power input terminal and the negative power input terminal of the DC control chip respectively in a one-to-one correspondence. The DC control chip is communicatively connected to the crystal oscillator module and the socket fault warning information generation unit respectively. One end of the first decoupling capacitor is electrically connected to the positive power input terminal of the DC control chip, and the other end of the first decoupling capacitor is grounded.

[0023] In one possible design, the socket fault warning information generating unit includes a main control chip and a second decoupling capacitor, wherein the main control chip is communicatively connected to the DC side control unit and the warning information sending unit respectively, one end of the second decoupling capacitor is electrically connected to the positive power input terminal of the main control chip, and the other end of the second decoupling capacitor is grounded.

[0024] In one possible design, the warning information sending unit includes a storage module communicatively connected to the socket fault warning information generating unit and a wireless communication module and / or a voice broadcast module communicatively connected to the storage module, wherein the wireless communication module includes a wireless transceiver and a transceiver antenna communicatively connected, and the voice broadcast module includes a voice chip and a speaker communicatively connected.

[0025] In one possible design, a display screen is also included that is communicatively connected to the socket fault warning information generating unit.

[0026] In a possible design, a debugging interface is also included that is communicatively connected to the DC side control unit.

[0027] In a possible design, it also includes a socket ground wire internal terminal, wherein the socket ground wire internal terminal is electrically connected to the ground wire input end of the socket fault diagnosis and live wire on-off control unit, and the ground wire output end of the socket fault diagnosis and live wire on-off control unit is respectively connected to the ground end of the DC side control unit and the ground end of the socket fault warning information generation unit.

[0028] Beneficial effects of the above scheme:

[0029] (1) The present invention creatively provides a new solution for intelligently sensing and warning faults in the internal circuit of a socket, namely, it includes a socket live wire external terminal, a socket live wire internal terminal, a socket neutral wire internal terminal, an AC side circuit information detection unit, a socket fault diagnosis and live wire on / off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit. Through their specific connection relationship, the internal circuit of the socket can be detected and fault diagnosis can be performed, and the socket internal live wire on / off control and fault warning information sending action can be executed according to the diagnosis result. In this way, when the internal circuit of the socket fails, the socket can be automatically interrupted and a warning can be given to the user, which can help the user take corresponding remedial measures to avoid the situation from worsening and the occurrence of electrical safety accidents such as fire, which is convenient for practical application and promotion.

[0030] (2) Ability to monitor the health status of the live wire, neutral wire, and ground wire of the socket’s internal circuit in real time;

[0031] (3) The display screen can display status information and fault type, making it easier for users to understand the status of the socket or power strip and the fault point to be repaired;

[0032] (4) Through the configuration of the wireless communication module, users can receive fault warning information in real time, facilitating timely maintenance and replacement;

[0033] (5) If the user does not repair or replace the socket, the power supply will be cut off and the socket will no longer be usable, thus preventing fires caused by circuit failures and improving the electrical safety of sockets and power strips;

[0034] (6) The circuit structure of this system is reasonably laid out, and each functional module maintains stability, making it easy to maintain and upgrade;

[0035] (7) This system is particularly suitable for scenes such as high-end buildings and office buildings, as well as for fields such as household electrical appliances and office electrical appliances. It can treat the "pre-disease" of power lines, eliminate and block fires caused by power failures, and has broad application prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0037] Figure 1 A schematic diagram of the circuit structure of a fault intelligent sensing warning system for sockets provided in an embodiment of the present application. DETAILED DESCRIPTION

[0038] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present invention. For those skilled in the art, other embodiments can be obtained based on these embodiments without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0039] It should be understood that although the terms first, second, etc. may be used herein to describe various objects, these objects should not be limited by these terms. These terms are merely used to distinguish one object from another. For example, a first object can be referred to as a second object, and similarly, a second object can be referred to as a first object without departing from the scope of the exemplary embodiments of the present invention.

[0040] It should be understood that the term "and / or" that may appear in this document is merely a description of the association relationship between associated objects, indicating that there may be three relationships. For example, A and / or B can indicate three situations: A exists alone, B exists alone, or A and B exist at the same time. For another example, A, B and / or C can indicate the existence of any one of A, B and C or any combination of them. The term " / and" that may appear in this document describes another type of association object relationship, indicating that there may be two relationships. For example, A / and B can indicate two situations: A exists alone or A and B exist at the same time. In addition, the character " / " that may appear in this document generally indicates that the previous and next associated objects are in an "or" relationship.

[0041] Example

[0042] like Figure 1As shown, the fault intelligent sensing warning system provided in this embodiment and applicable to the socket includes but is not limited to a socket live wire external terminal PIL, a socket live wire internal terminal PL, a socket neutral wire internal terminal PN, an AC side circuit information detection unit, a socket fault diagnosis and live wire on-off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit, etc.; the live wire input end of the AC side circuit information detection unit is electrically connected to the socket live wire external terminal PIL, the neutral wire input end of the AC side circuit information detection unit is electrically connected to the socket neutral wire internal terminal PN, the live wire output end of the AC side circuit information detection unit is electrically connected to the live wire input end of the socket fault diagnosis and live wire on-off control unit, and the The neutral wire output end of the AC side circuit information detection unit is electrically connected to the neutral wire input end of the socket fault diagnosis and live wire on-off control unit, the detection information output end of the AC side circuit information detection unit is communicatively connected to the detection information input end of the socket fault diagnosis and live wire on-off control unit, and the live wire output end of the socket fault diagnosis and live wire on-off control unit is electrically connected to the socket live wire internal terminal PL; the power supply output end of the DC power supply unit is electrically connected to the power input end of the DC side control unit, and the diagnostic information input end of the DC side control unit is communicatively connected to the diagnostic information output end of the socket fault diagnosis and live wire on-off control unit; the DC side control unit, the socket fault warning information generation unit and the warning information sending unit are communicatively connected in sequence.

[0043] like Figure 1As shown, in the specific structure of the intelligent fault sensing and warning system, the socket live wire external terminal PIL is used to electrically connect to the socket's external live wire (i.e., the live wire connected to the external AC power supply), the socket live wire internal terminal PL is used to electrically connect to the socket's internal live wire (which is isolated from the aforementioned external live wire and has no direct connection), and the socket neutral wire internal terminal PN is used to electrically connect to the socket's internal neutral wire. The AC side circuit information detection unit is used to routinely collect and obtain detection information of the socket's internal AC circuit and parameters such as current, voltage, and temperature in real time, and transmit this detection information to the socket fault diagnosis and live wire on / off control unit. Specifically, the AC side circuit information detection unit includes but is not limited to a fuse F1, a first capacitor C1, a second capacitor C2, an AC power management chip, a circuit detection sensor and a first resistor R1, wherein the circuit detection sensor includes but is not limited to a circuit current sensor, a circuit voltage sensor and / or a circuit temperature sensor, etc.; one end of the fuse F1 is used as the live wire access end of the AC side circuit information detection unit, and the other end of the fuse F1 is electrically connected to one end of the first capacitor C1, and the other end of the first capacitor C1 is electrically connected to the live wire access end of the AC power management chip; one end of the second capacitor C2 is used as the neutral wire access end of the AC side circuit information detection unit, and the first resistor R1 is used as the neutral wire access end of the AC side circuit information detection unit. The other end of the second capacitor C2 is electrically connected to the neutral line input terminal of the AC power management chip; the live line output terminal of the AC power management chip is electrically connected to the live line input terminal of the circuit detection sensor, and the neutral line output terminal of the AC power management chip is electrically connected to the neutral line input terminal of the circuit detection sensor; the detection information output terminal of the circuit detection sensor is used as the detection information output terminal of the AC side circuit information detection unit, the live line output terminal of the circuit detection sensor is connected to one end of the first resistor R1, the other end of the first resistor R1 is used as the live line output terminal of the AC side circuit information detection unit, and the neutral line output terminal of the circuit detection sensor is used as the neutral line output terminal of the AC side circuit information detection unit. The aforementioned AC power management chip is used to manage the input AC power to achieve the purpose of converting and managing the AC power supply. For example, but not limited to, the following chip models are used to achieve this: TLV62569A, NCP103AMX330TGU or LT1781, etc. The fuse F1 is used to achieve overcurrent and overvoltage protection, the first capacitor C1 and the second capacitor C2 are used to achieve AC isolation protection, and the first resistor R1 is used to achieve current limiting protection.The circuit current sensor is used to routinely collect and obtain the current detection information of the internal AC circuit of the socket in real time, the circuit voltage sensor is used to routinely collect and obtain the voltage detection information of the internal AC circuit of the socket in real time, and the circuit temperature sensor is used to routinely collect and obtain the temperature detection information of the internal AC circuit of the socket in real time. In this way, the purpose of real-time collection and acquisition of detection information of the internal AC circuit of the socket and parameters such as current, voltage and temperature can be achieved.

[0044] The socket fault diagnosis and live wire on-off control unit is used to diagnose the socket internal circuit fault based on the detection information from the AC side circuit information detection unit, and to control the live wire on-off according to the diagnosis result (i.e., to conduct or disconnect the live wire path between the socket live wire external terminal PIL and the socket live wire internal terminal PL) and transmit the diagnosis result to the DC side control unit in real time. The specific process of diagnosing the socket internal circuit fault based on the detection information can be conventionally implemented using existing technical means. For example, based on the detection information of the socket's internal AC circuit and parameters such as current, voltage and temperature, a conventional analysis algorithm is used to analyze the health status index value of the socket's internal AC circuit in real time. If the health status index value is lower than a preset threshold, it is determined that the socket's internal AC circuit has a fault condition such as power line aging, leakage, short circuit or overload; otherwise, it is determined that no fault condition exists. The specific method of controlling the hot wire on and off according to the diagnosis result may be, but is not limited to, the conventional method: when it is determined that a fault exists, the hot wire path between the hot wire external terminal PIL of the socket and the hot wire internal terminal PL of the socket is controlled to be disconnected; otherwise, the hot wire path between the hot wire external terminal PIL of the socket and the hot wire internal terminal PL of the socket is controlled to be connected. Specifically, the socket fault diagnosis and live wire on-off control unit includes but is not limited to an AC control chip and a solid-state relay, wherein the detection information input end of the AC control chip is used as the detection information input end of the socket fault diagnosis and live wire on-off control unit, the diagnostic information output end of the AC control chip is used as the diagnostic information output end of the socket fault diagnosis and live wire on-off control unit, the live wire access end of the AC control chip is used as the live wire access end of the socket fault diagnosis and live wire on-off control unit, the neutral wire access end of the AC control chip is used as the neutral wire access end of the socket fault diagnosis and live wire on-off control unit, the live wire output end of the AC control chip is electrically connected to one end of the contact switch branch of the solid-state relay, and the other end of the contact switch branch of the solid-state relay is used as the live wire output end of the socket fault diagnosis and live wire on-off control unit; the control signal output end of the AC control chip is communicatively connected to the control signal input end of the solid-state relay. The AC control chip is used as the core of the socket fault diagnosis and live wire on-off control unit to diagnose the internal circuit fault of the socket according to the detection information from the AC side circuit information detection unit, and to control the live wire on-off according to the diagnosis results and transmit the diagnosis results to the DC side control unit in real time. For example, but not limited to, the following chip models are used to achieve this: PIC16F690, STM32F030C8T6 or TC275, etc.Since the contact switch branch of the solid-state relay belongs to the live wire path located between the live wire external terminal PIL of the socket and the live wire internal terminal PL of the socket, the purpose of controlling the live wire on and off according to the diagnosis results can be achieved through the above-mentioned specific circuit structure design.

[0045] The DC power supply unit is used to provide the required DC power for the DC side control unit or other units (such as the socket fault warning information generation unit and the warning information sending unit, etc.), and can take AC power from the live wire path between the socket live wire external terminal PIL and the socket live wire internal terminal PL and convert it into the required DC power. Specifically, the DC power supply unit includes but is not limited to a transformer LP1, a bridge rectifier BD1, an electrolytic capacitor C3, a second resistor R2 and a voltage regulator diode D1, etc.; the two terminals of the primary winding of the transformer LP1 are respectively and one-to-one electrically connected to the live wire output terminal of the socket fault diagnosis and live wire on-off control unit. and the neutral line output terminal, and the two terminals of the secondary winding of the transformer LP1 are electrically connected to the two input terminals of the bridge rectifier BD1 in a one-to-one correspondence; the positive output terminal of the bridge rectifier BD1 is electrically connected to the anode of the electrolytic capacitor C3 and one end of the second resistor R2, and the other end of the second resistor R2 is electrically connected to the cathode of the Zener diode D1 and is used as the positive power supply output terminal of the DC power supply unit, and the negative output terminal of the bridge rectifier BD1 is electrically connected to the cathode of the electrolytic capacitor C3 and the anode of the Zener diode D1, and the negative output terminal of the bridge rectifier BD1 is also used as the negative power supply output terminal of the DC power supply unit.

[0046] The DC side control unit is configured to control the socket fault warning information generation unit to generate warning information based on the diagnosis result. The specific method of controlling the socket fault warning information generation unit to generate warning information can be, but is not limited to, conventional: when a fault is determined to exist, the socket fault warning information generation unit is controlled to generate fault warning information; otherwise, the socket fault warning information generation unit is controlled not to generate fault warning information. Specifically, the DC side control unit includes, but is not limited to, a voltage stabilizing chip, a DC control chip, a crystal oscillator module, and a first decoupling capacitor QC1, wherein the power input terminal of the voltage stabilizing chip is used as the power input terminal of the DC side control unit, and the diagnostic information input terminal of the DC control chip serves as the diagnostic information input terminal of the DC side control unit; the positive power output terminal and the negative power output terminal of the voltage stabilizing chip are respectively electrically connected to the positive power input terminal and the negative power input terminal of the DC control chip in a one-to-one correspondence; the DC control chip is respectively communicatively connected to the crystal oscillator module and the socket fault warning information generation unit; one end of the first decoupling capacitor QC1 is electrically connected to the positive power input terminal of the DC control chip, and the other end of the first decoupling capacitor QC1 is grounded. The voltage stabilizing chip is used to achieve the purpose of voltage stabilization and power supply, and is implemented by, but not limited to, the following types of chips: LM317, LM2940 or LT1963, etc. The DC control chip is used as the core of the DC side control unit to control the socket fault warning information generation unit according to the diagnosis results to perform warning information generation control, and is implemented by, but not limited to, the following types of chips: MSP430G2553, LPC824M201JDH20 or EFM8UB1, etc. The crystal oscillator module is used to provide clock and synchronization signals to the DC control chip, and can be implemented specifically by using an existing crystal oscillator circuit; such as Figure 1 As shown, the crystal oscillator module is specifically connected to the DC control chip via an SPI (Serial Peripheral Interface) line. In addition, the first decoupling capacitor QC1 is provided to remove noise and filter to provide a stable power supply to the DC control chip.

[0047] The socket fault warning information generation unit is used to generate warning information when a socket internal circuit fault occurs. Specifically, the socket fault warning information generation unit includes but is not limited to a main control chip and a second decoupling capacitor QC2, wherein the main control chip is communicatively connected to the DC side control unit and the warning information sending unit respectively, one end of the second decoupling capacitor QC2 is electrically connected to the positive power input terminal of the main control chip, and the other end of the second decoupling capacitor QC2 is grounded. The main control chip is used as the core of the socket fault warning information generation unit to generate warning information when a socket internal circuit fault occurs; the main control chip is implemented by, for example but not limited to, the following types of CPU (Central Processing Unit) chips: STM32F103C8T6, nRF52840 or ESP32, etc.; Figure 1 As shown, the main control chip is specifically connected to the DC control chip via an SCL (Serial Clock Line) line and an SDA (Serial Data) line. Furthermore, the second decoupling capacitor QC2 can be configured to remove noise and filter the power to provide a stable power supply to the main control chip. The specific content of the warning information may include, but is not limited to, the fault type, the health status indicator value of the internal AC circuit of the socket, and / or specific circuit detection information.

[0048] The warning information sending unit is used to send the generated warning information to the user, so that when there is a fault in the internal AC circuit of the socket, such as aging of the power line, leakage, short circuit or overload, the user can be warned in time, which can help the user take corresponding remedial measures to avoid the situation from getting worse. Specifically, the warning information sending unit includes but is not limited to a storage module that is communicatively connected to the socket fault warning information generation unit and a wireless communication module and / or voice broadcast module that is communicatively connected to the storage module, wherein the wireless communication module includes but is not limited to a wireless transceiver and a transceiver antenna that are communicatively connected, and the voice broadcast module includes but is not limited to a voice chip and a speaker that are communicatively connected. The aforementioned storage module is used to cache the warning information or other information, specifically but not limited to using an SD (Secure Digital) card to achieve this. The wireless communication module is used to send the warning information or other information to a remote user wirelessly, specifically but not limited to using WiFi or other wireless methods to achieve this. The voice announcement module is used to transmit the warning information or other information to a near-end user through vocalization. The voice chip is used to convert the warning information or other information into an audio signal for playback in conjunction with the speaker. Examples of such chips include, but are not limited to, the ISD1760, WTV020SD, or LM386. This specific design enables both near-end and far-end warnings, ensuring the comprehensive effectiveness of these warnings.

[0049] Based on the detailed description of the aforementioned intelligent fault sensing and warning system, a new solution is provided that can intelligently sense and warn of faults in the internal circuit of the socket, namely, it includes a socket live wire external terminal, a socket live wire internal terminal, a socket neutral wire internal terminal, an AC side circuit information detection unit, a socket fault diagnosis and live wire on-off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit. Through their specific connection relationship, information detection and fault diagnosis can be performed on the internal circuit of the socket, and the socket internal live wire on-off control and fault warning information sending action can be executed according to the diagnosis results. In this way, when the internal circuit of the socket fails, the use can be automatically interrupted and the user can be warned, which can help the user take corresponding remedial measures to avoid the situation from worsening and the occurrence of electrical safety accidents such as fire, which is convenient for practical application and promotion.

[0050] Preferably, the system further includes a display screen communicatively connected to the socket fault warning information generating unit. The display screen is used to display the warning information or other information on-site, allowing the user to fully understand the fault status or other specific conditions of the socket's internal circuit. This can be achieved, but is not limited to, by using an existing OLED (Organic Light-Emitting Diode) or LCD (Liquid Crystal Display) display screen on the socket. Furthermore, the display screen can also be considered a warning information sending unit (i.e., providing a warning by emitting a light signal).

[0051] Preferably, it also includes a debugging interface that is communicatively connected to the DC side control unit. Figure 1 As shown, by setting the debugging interface, the purpose of debugging the DC side control unit, the socket fault warning information generating unit and the warning information sending unit at any time can also be achieved. Figure 1 As shown, the debug interface is specifically connected to the DC control chip through a SWDIO (Serial Wire Debug Data I / O) line and a SWCLK (Serial Wire Clock) line.

[0052] Preferably, the system further includes a socket ground internal terminal PE, wherein the socket ground internal terminal PE is electrically connected to the ground input terminal of the socket fault diagnosis and live wire on / off control unit, and the ground output terminal of the socket fault diagnosis and live wire on / off control unit is respectively connected to the ground terminal of the DC side control unit and the ground terminal of the socket fault warning information generation unit. The socket ground internal terminal PE is used to electrically connect the internal ground wire of the socket. This design ensures electromagnetic compatibility and safety.

[0053] In summary, the intelligent fault sensing and warning system provided by this embodiment has the following technical effects:

[0054] (1) This embodiment provides a new solution that can intelligently sense and warn of faults in the internal circuit of the socket, namely, it includes a socket live wire external terminal, a socket live wire internal terminal, a socket neutral wire internal terminal, an AC side circuit information detection unit, a socket fault diagnosis and live wire on / off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit. Through their specific connection relationship, the internal circuit of the socket can be detected and fault diagnosis can be performed, and the socket internal live wire on / off control and fault warning information sending action can be executed according to the diagnosis result. In this way, when the internal circuit of the socket fails, the use can be automatically interrupted and the user can be warned, which can help the user take corresponding remedial measures to avoid the situation from worsening and the occurrence of electrical safety accidents such as fire, which is convenient for practical application and promotion;

[0055] (2) Ability to monitor the health status of the live wire, neutral wire, and ground wire of the socket’s internal circuit in real time;

[0056] (3) The display screen can display status information and fault type, making it easier for users to understand the status of the socket or power strip and the fault point to be repaired;

[0057] (4) Through the configuration of the wireless communication module, users can receive fault warning information in real time, facilitating timely maintenance and replacement;

[0058] (5) If the user does not repair or replace the socket, the power supply will be cut off and the socket will no longer be usable, thus preventing fires caused by circuit failures and improving the electrical safety of sockets and power strips;

[0059] (6) The circuit structure of this system is reasonably laid out, and each functional module maintains stability, making it easy to maintain and upgrade;

[0060] (7) This system is particularly suitable for scenes such as high-end buildings and office buildings, as well as for fields such as household electrical appliances and office electrical appliances. It can treat the "pre-disease" of power lines, eliminate and block fires caused by power failures, and has broad application prospects.

[0061] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A fault intelligent sensing warning system for sockets, characterized in that: It includes a socket live wire external terminal (PIL), a socket live wire internal terminal (PL), a socket neutral wire internal terminal (PN), an AC side circuit information detection unit, a socket fault diagnosis and live wire on / off control unit, a DC power supply unit, a DC side control unit, a socket fault warning information generation unit and a warning information sending unit; The live wire input end of the AC side circuit information detection unit is electrically connected to the live wire external terminal (PIL) of the socket, the neutral wire input end of the AC side circuit information detection unit is electrically connected to the neutral wire internal terminal (PN) of the socket, the live wire output end of the AC side circuit information detection unit is electrically connected to the live wire input end of the socket fault diagnosis and live wire on-off control unit, the neutral wire output end of the AC side circuit information detection unit is electrically connected to the neutral wire input end of the socket fault diagnosis and live wire on-off control unit, the detection information output end of the AC side circuit information detection unit is communicatively connected to the detection information input end of the socket fault diagnosis and live wire on-off control unit, and the live wire output end of the socket fault diagnosis and live wire on-off control unit is electrically connected to the live wire internal terminal (PL) of the socket; The power supply output end of the DC power supply unit is electrically connected to the power input end of the DC side control unit, and the diagnostic information input end of the DC side control unit is communicatively connected to the diagnostic information output end of the socket fault diagnosis and live wire on / off control unit; The DC side control unit, the socket fault warning information generating unit and the warning information sending unit are communicatively connected in sequence.

2. The intelligent fault sensing warning system according to claim 1, characterized in that: The AC side circuit information detection unit includes a fuse (F1), a first capacitor (C1), a second capacitor (C2), an AC power management chip, a circuit detection sensor and a first resistor (R1), wherein the circuit detection sensor includes a circuit current sensor, a circuit voltage sensor and / or a circuit temperature sensor; One end of the fuse (F1) is used as a live wire access end of the AC side circuit information detection unit, the other end of the fuse (F1) is electrically connected to one end of the first capacitor (C1), and the other end of the first capacitor (C1) is electrically connected to the live wire access end of the AC power management chip; One end of the second capacitor (C2) is used as a neutral line access terminal of the AC side circuit information detection unit, and the other end of the second capacitor (C2) is electrically connected to the neutral line access terminal of the AC power management chip; The live wire output terminal of the AC power management chip is electrically connected to the live wire input terminal of the circuit detection sensor, and the neutral wire output terminal of the AC power management chip is electrically connected to the neutral wire input terminal of the circuit detection sensor; The detection information output end of the circuit detection sensor is used as the detection information output end of the AC side circuit information detection unit, the live wire output end of the circuit detection sensor is connected to one end of the first resistor (R1), the other end of the first resistor (R1) is used as the live wire output end of the AC side circuit information detection unit, and the neutral wire output end of the circuit detection sensor is used as the neutral wire output end of the AC side circuit information detection unit.

3. The intelligent fault sensing warning system according to claim 1, characterized in that: The socket fault diagnosis and live wire on-off control unit includes an AC control chip and a solid-state relay, wherein the detection information input end of the AC control chip is used as the detection information input end of the socket fault diagnosis and live wire on-off control unit, the diagnostic information output end of the AC control chip is used as the diagnostic information output end of the socket fault diagnosis and live wire on-off control unit, the live wire access end of the AC control chip is used as the live wire access end of the socket fault diagnosis and live wire on-off control unit, the neutral wire access end of the AC control chip is used as the neutral wire access end of the socket fault diagnosis and live wire on-off control unit, the live wire output end of the AC control chip is electrically connected to one end of the contact switch branch of the solid-state relay, and the other end of the contact switch branch of the solid-state relay is used as the live wire output end of the socket fault diagnosis and live wire on-off control unit; The control signal output terminal of the AC control chip is communicatively connected to the control signal input terminal of the solid-state relay.

4. The intelligent fault sensing warning system according to claim 1, characterized in that: The DC power supply unit includes a transformer (LP1), a bridge rectifier (BD1), an electrolytic capacitor (C3), a second resistor (R2) and a voltage regulator diode (D1); The two terminals of the primary winding of the transformer (LP1) are electrically connected to the live wire output terminal and the neutral wire output terminal of the socket fault diagnosis and live wire on / off control unit in a one-to-one correspondence, and the two terminals of the secondary winding of the transformer (LP1) are electrically connected to the two input terminals of the bridge rectifier (BD1) in a one-to-one correspondence. The positive output end of the bridge rectifier (BD1) is electrically connected to the anode of the electrolytic capacitor (C3) and one end of the second resistor (R2), respectively; the other end of the second resistor (R2) is electrically connected to the cathode of the voltage-stabilizing diode (D1) and is used as the positive power supply output end of the DC power supply unit; the negative output end of the bridge rectifier (BD1) is electrically connected to the cathode of the electrolytic capacitor (C3) and the anode of the voltage-stabilizing diode (D1), respectively; and the negative output end of the bridge rectifier (BD1) is also used as the negative power supply output end of the DC power supply unit.

5. The intelligent fault sensing warning system according to claim 1, characterized in that: The DC side control unit includes a voltage stabilizing chip, a DC control chip, a crystal oscillator module and a first decoupling capacitor (QC1), wherein the power input terminal of the voltage stabilizing chip is used as the power input terminal of the DC side control unit, and the diagnostic information input terminal of the DC control chip is used as the diagnostic information input terminal of the DC side control unit; The positive power output terminal and the negative power output terminal of the voltage stabilizing chip are electrically connected to the positive power input terminal and the negative power input terminal of the DC control chip respectively in a one-to-one correspondence; the DC control chip is communicatively connected to the crystal oscillator module and the socket fault warning information generating unit respectively; one end of the first decoupling capacitor (QC1) is electrically connected to the positive power input terminal of the DC control chip, and the other end of the first decoupling capacitor (QC1) is grounded.

6. The intelligent fault sensing warning system according to claim 1, characterized in that: The socket fault warning information generating unit includes a main control chip and a second decoupling capacitor (QC2), wherein the main control chip is communicatively connected to the DC side control unit and the warning information sending unit respectively, one end of the second decoupling capacitor (QC2) is electrically connected to the positive power input terminal of the main control chip, and the other end of the second decoupling capacitor (QC2) is grounded.

7. The intelligent fault sensing warning system according to claim 1, characterized in that: The warning information sending unit includes a storage module communicatively connected to the socket fault warning information generating unit and a wireless communication module and / or a voice broadcast module communicatively connected to the storage module, wherein the wireless communication module includes a wireless transceiver and a transceiver antenna communicatively connected, and the voice broadcast module includes a voice chip and a speaker communicatively connected.

8. The intelligent fault sensing warning system according to claim 1, characterized in that: It also includes a display screen that is communicatively connected to the socket fault warning information generating unit.

9. The intelligent fault sensing warning system according to claim 1, characterized in that: It also includes a debugging interface that is communicatively connected to the DC side control unit.

10. The intelligent fault sensing warning system according to claim 1, characterized in that: It also includes a socket ground wire internal terminal (PE), wherein the socket ground wire internal terminal (PE) is electrically connected to the ground wire input end of the socket fault diagnosis and live wire on-off control unit, and the ground wire output end of the socket fault diagnosis and live wire on-off control unit is respectively connected to the ground end of the DC side control unit and the ground end of the socket fault warning information generation unit.

Images