CN111551877A - Intelligent socket wiring detection device - Google Patents
Intelligent socket wiring detection device Download PDFInfo
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- CN111551877A CN111551877A CN202010291644.6A CN202010291644A CN111551877A CN 111551877 A CN111551877 A CN 111551877A CN 202010291644 A CN202010291644 A CN 202010291644A CN 111551877 A CN111551877 A CN 111551877A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
Abstract
The invention relates to an intelligent socket wiring detection device. The intelligent socket wiring detection device comprises an LNE three-wire position identification circuit, a logic following and inverse signal generating circuit, a correct wiring logic identification circuit, a logic identification circuit lacking a ground wire, a logic identification circuit with inverse fire-ground wire connection, a logic identification circuit with zero wire disconnection, a logic identification circuit with inverse fire-zero wire connection, a logic identification circuit with broken fire wire or three-phase non-electricity and a power module. This intelligent socket detection device that works a telephone switchboard is a simple structure, dependable performance, convenient operation, has the socket wiring detection device that intelligent recognition's socket wiring exactness detected, and the device just reports the testing result through the speech mode as long as insert the socket, and the while still is categorised through the pilot lamp instruction category with the wiring condition.
Description
Technical Field
The invention provides an intelligent socket wiring detection device, belongs to the technical field of socket wiring detection, and is suitable for all 220V power frequency industrial and civil electric low-voltage direct current and alternating current systems of electric power systems in China.
Background
220V power frequency alternating current is widely applied to civil electric systems and industrial electric systems, if L, N, PE three wires of a 220V alternating current power supply socket are in wrong wiring, equipment cannot work normally, the 220V alternating current power supply socket can be brought out of electric appliances, workers or electric consumers are subjected to electric shock, light people suffering from electric shock can cause disability, heavy people suffering from electric shock can cause casualties or expensive equipment damage, great loss is brought to the property and the life of people, and even severe social influence can be caused.
Therefore, it is necessary to develop a socket wiring detection device with intelligent judgment for detecting the correctness of socket wiring, which has the advantages of simple structure, reliable performance and convenient operation.
Disclosure of Invention
In view of the above problems, the present invention is directed to solving the above-described problems. It is an object of the present invention to provide a smart jack connection detecting device that solves the above problems. The socket wiring detection device is simple in structure, reliable in performance, convenient to operate and capable of intelligently identifying socket wiring correctness.
The technical scheme of the invention is as follows: an intelligent socket wiring detection device comprises an LNE three-wire position identification circuit, a logic following and inverse signal generating circuit, a logic identification circuit with correct wiring, a logic identification circuit lacking a ground wire, a logic identification circuit with inverse connection of a live wire and a ground wire, a logic identification circuit with broken zero wire, a logic identification circuit with inverse connection of a live wire and a zero wire, a logic identification circuit with broken live wire or three-phase no-power and a power module;
the LNE three-wire position identification circuit is connected with the logic following and inverse signal generating circuit, the logic following and inverse signal generating circuit is respectively connected with the logic identification circuit with correct wiring, the logic identification circuit lacking the ground wire, the logic identification circuit with the reverse connection of the live wire and the ground wire, the logic identification circuit with the broken zero wire, the logic identification circuit with the reverse connection of the live wire and the zero wire, the logic identification circuit with the broken live wire or the logic identification circuit without electricity of three phases, and the power circuit is used for supplying power.
Furthermore, the LNE three-wire position identification circuit is used for identifying the positions of a live wire L, a zero wire N and a protective ground wire E and converting a voltage signal into a photoelectric signal;
the logic following and inverse signal generating circuit is used for generating each photoelectric signal into a signal which is the same as the original signal and simultaneously generating a signal which is opposite to the original signal;
the logic identification circuit with correct wiring is used for identifying whether the three lines of the live wire L, the zero line N and the protective ground wire E are correctly wired or not;
the logic identification circuit of the lack of the ground wire is used for identifying whether the ground wire is absent or not;
the fire-ground wire reverse connection logic identification circuit is used for identifying whether the fire-ground wire is reverse connected or not;
the logic identification circuit of the zero line disconnection is used for identifying whether the zero line is disconnected or not;
the logic identification circuit of the reverse connection of the live wire and the zero wire is used for identifying whether the live wire and the zero wire are reversely connected;
and the logic identification circuit for the broken live wire or the non-electricity of the three phases is used for identifying whether the live wire is broken or whether the three phases are non-electricity.
Further, the LNE three-wire position identification circuit comprises a three-phase standard plug and a resistor RNE、RLN、RLEDiode DNE、DLN、DLEAnd a photoelectric coupler OCNE、OCLN、OCLE；
The PE wire of the three-phase standard plug is respectively connected with a resistor RNEOne terminal of (1), diode DLENegative electrode of (1), photoelectric coupler OCLEFirst terminal of (3), resistor RNEThe other end of the diode D is respectively connected with the diode DNEPositive electrode, photoelectric coupler OCNESecond terminal of (D), diode DNENegative electrode of (1), photoelectric coupler OCNEThe first end of the three-phase standard plug is respectively connected with the N line of the three-phase standard plug and the resistor RLNOne terminal of (1), resistance RLNThe other end of the diode D is respectively connected with the diode DLNPositive electrode, photoelectric coupler OCLNSecond terminal of (D), diode DLNNegative electrode of (1), photoelectric coupler OCLNThe first end of the three-phase standard plug is respectively connected with an L line and a resistor R of the three-phase standard plugLEOne terminal of (1), resistance RLEAnother end of (1)Are respectively connected with a diode DLEPositive electrode, photoelectric coupler OCLEThe second end of (a).
Further, the logic following and inversion signal generation circuit comprises resistors R7, R8, R9, inverters F1, F2 and F3; photoelectric coupler OC in LNE three-wire position identification circuitNE、OCLN、OCLEThe third ends are connected with VCC and a photoelectric coupler OCNEThe fourth end of the inverter F3 is used as an interface C and is respectively connected with one end of a resistor R9 and one end of an inverter F3, and the other end of the inverter F3 is used as an interface non-C;
photoelectric coupler OCLNThe fourth end of the inverter F2 is used as an interface B and is respectively connected with one end of a resistor R8 and one end of an inverter F2, and the other end of the inverter F2 is used as an interface B;
photoelectric coupler OCLEThe fourth end of the inverter F1 is used as an interface A and is respectively connected with one end of a resistor R7 and one end of an inverter F1, and the other end of the inverter F1 is used as an interface A;
the other ends of the resistors R7, R8 and R9 are all connected with the interface OV.
Further, the logic identification circuit with correct wiring comprises a correct wiring judgment module, a resistor R1, a light emitting diode LED3, a voice module IC3, a diode D3 and a voice broadcast loudspeaker SP; the correct wiring judgment module adopts a three-input AND gate 3Y 3;
interface A, B, non-C all connect the input of three input AND gate 3Y3, three input AND gate 3Y3 output end connects the one end of resistance R1, the one end of voice module IC3 respectively, the other termination of resistance R1 emitting diode LED 3's positive pole, emitting diode LED3 negative pole connects interface OV, the other termination of voice module IC3 diode D3's positive pole, D3's negative pole connects interface SP +, the one end of voice broadcast loudspeaker SP respectively, the other termination of voice broadcast loudspeaker SP connects interface OV.
Further, the logic identification circuit lacking the ground wire comprises a ground wire lacking judgment module, a resistor R2, a diode D2, a light emitting diode LED4, a voice module IC4 and a diode D4; the default line judgment module adopts a three-input AND gate 3Y 4;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y4, the output end of the three-input AND gate 3Y4 is respectively connected with one end of a resistor R2 and one end of a voice module IC4, the other end of the resistor R2 is connected with the anode of a diode D2, the cathode of a diode D2 is respectively connected with the interface RS and the anode of a light-emitting diode LED4, the cathode of the light-emitting diode LED4 is connected with an interface OV, the other end of the voice module IC4 is connected with the anode of the diode D4, and the cathode of D4 is connected with an interface SP +.
Further, the fire-ground wire reverse connection logic identification circuit comprises a fire-ground wire reverse connection judgment module, a resistor R3, a diode D9, a voice module IC5 and a diode D5; the fire-ground wire reverse connection judging module adopts a three-input AND gate 3Y 5;
interfaces A and NOT B, C are connected to the input end of a three-input AND gate 3Y5, the output end of the three-input AND gate 3Y5 is connected to one end of a resistor R3 and one end of a voice module IC5, the other end of the resistor R3 is connected to the anode of a diode D9, the cathode of the diode D9 is connected to an interface RS, the other end of the voice module IC5 is connected to the anode of a diode D5, and the cathode of the D5 is connected to an interface SP +.
Furthermore, the logic identification circuit for zero line disconnection comprises a zero line disconnection judgment module, a resistor R4, a diode D10, a voice module IC6 and a diode D6; the zero line disconnection judging module adopts a three-input AND gate 3Y 6;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y6, the output end of the three-input AND gate 3Y6 is respectively connected with one end of a resistor R4 and one end of a voice module IC6, the other end of the resistor R4 is connected with the anode of a diode D10, the cathode of a diode D10 is connected with an interface RS, the other end of the voice module IC6 is connected with the anode of a diode D6, and the cathode of D6 is connected with an interface SP +.
Further, the logic identification circuit for reverse connection of the live wire and the zero wire comprises a reverse connection judgment module of the live wire and the zero wire, a resistor R5, a light emitting diode LED7, a voice module IC7 and a diode D7; the fire-zero line reverse connection judging module adopts a three-input AND gate 3Y 7;
the interface nodes A, B, C are all connected with the input end of a three-input AND gate 3Y7, the output end of the three-input AND gate 3Y7 is respectively connected with one end of a resistor R5 and one end of a voice module IC7, the other end of the resistor R5 is connected with the anode of a light-emitting diode LED7, the cathode of the light-emitting diode LED7 is connected with an interface OV, the other end of the voice module IC7 is connected with the anode of a diode D7, and the cathode of D7 is connected with an interface SP +.
Further, the logic identification circuit for live wire disconnection or three-phase no-power comprises a live wire disconnection judgment module, a resistor R6, a light emitting diode LED8, a voice module IC8 and a diode D8; the live wire disconnection judging module adopts a three-input AND gate 3Y 8;
the interfaces of non-A, non-B and non-C are all connected with the input end of a three-input AND gate 3Y8, the output end of the three-input AND gate 3Y8 is respectively connected with one end of a resistor R6 and one end of a voice module IC8, the other end of the resistor R6 is connected with the anode of a light emitting diode LED8, the cathode of the light emitting diode LED8 is connected with an interface OV, the other end of the voice module IC8 is connected with the anode of a diode D8, and the cathode of D8 is connected with an interface SP +.
The invention has the beneficial effects that: the socket wiring detection device is simple in structure, reliable in performance and convenient to operate, has intelligent recognition and can detect the correctness of socket wiring, the device can broadcast the detection result in a voice mode as long as the device is inserted into a socket, and meanwhile, the wiring conditions are classified and indicated by the indicator lamps, including three-phase power failure or live wire power failure, and the white lamp is on; the wiring is correct, and the green light is on; the method comprises the following steps of 'lacking of ground wire', 'fire-ground wire reverse connection', 'zero line disconnection', and red light flashing; the live-neutral line is reversely connected, the loudspeaker reports 'wiring error, but the loudspeaker can be used for a while', and the yellow light flashes. The device has simple structure and reliable performance, and can be used without learning.
Other characteristic features and advantages of the invention will become apparent from the following description of exemplary embodiments, which is to be read in connection with the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. To those skilled in the art, other figures may be derived from these figures without inventive effort.
Fig. 1 is a schematic diagram of an LNE three-wire location identification circuit of the present invention.
FIG. 2 is a schematic diagram of the logic following and inverse signal generating circuit of the present invention;
FIG. 3 is a correctly wired logic identification circuit of the present invention;
FIG. 4 is a logic identification circuit of the present invention lacking a ground line;
FIG. 5 is a logic identification circuit of the present invention with the hot-ground connections reversed;
FIG. 6 is a logic circuit for identifying a break in the neutral wire of the present invention;
FIG. 7 is a logic identification circuit for the reverse connection of the live-neutral wire of the present invention;
FIG. 8 is a circuit for identifying a broken line or three-phase neutral logic of the present invention;
fig. 9 is a circuit schematic of the power supply portion of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The following describes the smart socket connection detection device provided by the present invention in detail with reference to the accompanying drawings.
Example 1: as shown in fig. 1-9, an intelligent socket wiring detection device includes an LNE three-wire position identification circuit, a logic following and inverse signal generation circuit, a logic identification circuit with correct wiring, a logic identification circuit lacking a ground wire, a logic identification circuit with inverse live-ground wire connection, a logic identification circuit with zero wire disconnection, a logic identification circuit with inverse live-zero wire connection, a logic identification circuit with live wire disconnection or three-phase no-power, and a power module;
the LNE three-wire position identification circuit is connected with the logic following and inverse signal generating circuit, the logic following and inverse signal generating circuit is respectively connected with the logic identification circuit with correct wiring, the logic identification circuit lacking the ground wire, the logic identification circuit with the reverse connection of the live wire and the ground wire, the logic identification circuit with the broken zero wire, the logic identification circuit with the reverse connection of the live wire and the zero wire, the logic identification circuit with the broken live wire or the logic identification circuit without electricity of three phases, and the power circuit is used for supplying power.
Furthermore, the LNE three-wire position identification circuit is used for identifying the positions of a live wire L, a zero wire N and a protective ground wire E and converting a voltage signal into a photoelectric signal;
the logic following and inverse signal generating circuit is used for generating each photoelectric signal into a signal which is the same as the original signal and simultaneously generating a signal which is opposite to the original signal;
the logic identification circuit with correct wiring is used for identifying whether the three lines of the live wire L, the zero line N and the protective ground wire E are correctly wired or not;
the logic identification circuit of the lack of the ground wire is used for identifying whether the ground wire is absent or not;
the fire-ground wire reverse connection logic identification circuit is used for identifying whether the fire-ground wire is reverse connected or not;
the logic identification circuit of the zero line disconnection is used for identifying whether the zero line is disconnected or not;
the logic identification circuit of the reverse connection of the live wire and the zero wire is used for identifying whether the live wire and the zero wire are reversely connected;
and the logic identification circuit for the broken live wire or the non-electricity of the three phases is used for identifying whether the live wire is broken or whether the three phases are non-electricity.
Further, the LNE three-wire position identification circuit comprises a three-phase standard plug and a resistor RNE、RLN、RLEDiode DNE、DLN、DLEAnd a photoelectric coupler OCNE、OCLN、OCLE；
The PE wire of the three-phase standard plug is respectively connected with a resistor RNEOne terminal of (1), diode DLENegative electrode of (1), photoelectric coupler OCLEFirst terminal of (3), resistor RNEThe other end of the diode D is respectively connected with the diode DNEPositive electrode, photoelectric coupler OCNESecond terminal of (D), diode DNENegative electrode of (1), photoelectric coupler OCNEThe first end of the three-phase standard plug is respectively connected with the N line of the three-phase standard plug and the resistor RLNOne terminal of (1), resistance RLNThe other end of the diode D is respectively connected with the diode DLNPositive electrode, photoelectric coupler OCLNSecond terminal of (D), diode DLNNegative electrode of (1), photoelectric coupler OCLNThe first end of the three-phase standard plug is respectively connected with an L line and a resistor R of the three-phase standard plugLEOne terminal of (1), resistance RLEThe other end of the diode D is respectively connected with the diode DLEPositive electrode, photoelectric coupler OCLEThe second end of (a).
Further, the logic following and inversion signal generation circuit comprises resistors R7, R8, R9, inverters F1, F2 and F3; photoelectric coupler OC in LNE three-wire position identification circuitNE、OCLN、OCLEThe third ends are connected with VCC and a photoelectric coupler OCNEThe fourth end of the inverter F3 is used as an interface C and is respectively connected with one end of a resistor R9 and one end of an inverter F3, and the other end of the inverter F3 is used as an interface non-C;
photoelectric coupler OCLNThe fourth end of the inverter F2 is used as an interface B and is respectively connected with one end of a resistor R8 and one end of an inverter F2, and the other end of the inverter F2 is used as an interface B;
photoelectric coupler OCLEThe fourth end of the inverter F1 is used as an interface A and is respectively connected with one end of a resistor R7 and one end of an inverter F1, and the other end of the inverter F1 is used as an interface A;
the other ends of the resistors R7, R8 and R9 are all connected with the interface OV.
Further, the logic identification circuit with correct wiring comprises a correct wiring judgment module, a resistor R1, a light emitting diode LED3, a voice module IC3, a diode D3 and a voice broadcast loudspeaker SP; the correct wiring judgment module adopts a three-input AND gate 3Y 3;
interface A, B, non-C all connect the input of three input AND gate 3Y3, three input AND gate 3Y3 output end connects the one end of resistance R1, the one end of voice module IC3 respectively, the other termination of resistance R1 emitting diode LED 3's positive pole, emitting diode LED3 negative pole connects interface OV, the other termination of voice module IC3 diode D3's positive pole, D3's negative pole connects interface SP +, the one end of voice broadcast loudspeaker SP respectively, the other termination of voice broadcast loudspeaker SP connects interface OV.
Further, the logic identification circuit lacking the ground wire comprises a ground wire lacking judgment module, a resistor R2, a diode D2, a light emitting diode LED4, a voice module IC4 and a diode D4; the default line judgment module adopts a three-input AND gate 3Y 4;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y4, the output end of the three-input AND gate 3Y4 is respectively connected with one end of a resistor R2 and one end of a voice module IC4, the other end of the resistor R2 is connected with the anode of a diode D2, the cathode of a diode D2 is respectively connected with the interface RS and the anode of a light-emitting diode LED4, the cathode of the light-emitting diode LED4 is connected with an interface OV, the other end of the voice module IC4 is connected with the anode of the diode D4, and the cathode of D4 is connected with an interface SP +.
Further, the fire-ground wire reverse connection logic identification circuit comprises a fire-ground wire reverse connection judgment module, a resistor R3, a diode D9, a voice module IC5 and a diode D5; the fire-ground wire reverse connection judging module adopts a three-input AND gate 3Y 5;
interfaces A and NOT B, C are connected to the input end of a three-input AND gate 3Y5, the output end of the three-input AND gate 3Y5 is connected to one end of a resistor R3 and one end of a voice module IC5, the other end of the resistor R3 is connected to the anode of a diode D9, the cathode of the diode D9 is connected to an interface RS, the other end of the voice module IC5 is connected to the anode of a diode D5, and the cathode of the D5 is connected to an interface SP +.
Furthermore, the logic identification circuit for zero line disconnection comprises a zero line disconnection judgment module, a resistor R4, a diode D10, a voice module IC6 and a diode D6; the zero line disconnection judging module adopts a three-input AND gate 3Y 6;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y6, the output end of the three-input AND gate 3Y6 is respectively connected with one end of a resistor R4 and one end of a voice module IC6, the other end of the resistor R4 is connected with the anode of a diode D10, the cathode of a diode D10 is connected with an interface RS, the other end of the voice module IC6 is connected with the anode of a diode D6, and the cathode of D6 is connected with an interface SP +.
Further, the logic identification circuit for reverse connection of the live wire and the zero wire comprises a reverse connection judgment module of the live wire and the zero wire, a resistor R5, a light emitting diode LED7, a voice module IC7 and a diode D7; the fire-zero line reverse connection judging module adopts a three-input AND gate 3Y 7;
the interface nodes A, B, C are all connected with the input end of a three-input AND gate 3Y7, the output end of the three-input AND gate 3Y7 is respectively connected with one end of a resistor R5 and one end of a voice module IC7, the other end of the resistor R5 is connected with the anode of a light-emitting diode LED7, the cathode of the light-emitting diode LED7 is connected with an interface OV, the other end of the voice module IC7 is connected with the anode of a diode D7, and the cathode of D7 is connected with an interface SP +.
Further, the logic identification circuit for live wire disconnection or three-phase no-power comprises a live wire disconnection judgment module, a resistor R6, a light emitting diode LED8, a voice module IC8 and a diode D8; the live wire disconnection judging module adopts a three-input AND gate 3Y 8;
the interfaces of non-A, non-B and non-C are all connected with the input end of a three-input AND gate 3Y8, the output end of the three-input AND gate 3Y8 is respectively connected with one end of a resistor R6 and one end of a voice module IC8, the other end of the resistor R6 is connected with the anode of a light emitting diode LED8, the cathode of the light emitting diode LED8 is connected with an interface OV, the other end of the voice module IC8 is connected with the anode of a diode D8, and the cathode of D8 is connected with an interface SP +.
The working principle of the invention is as follows:
(1) if the wiring is correct, and the three-phase standard plug is electrified: the photoelectric coupler OC in the figures 1 and 2LE、OCLNWith voltage conduction, OCNENo voltage is switched off. The output of interface A, B is high 1 in figure 2,
the output is high level 1, the output of the 3Y3 and gate circuit in fig. 3 is high level 1, the LED3 lights green light, and the voice module IC3 is triggered by high level, so that the voice broadcast speaker SP plays the "correct wire connection" voice signal stored in the voice module IC 3.
(2) If the grounding wire is broken, the L wire is electrified: the photoelectric coupler OC in the figures 1 and 2LEWith voltage conduction, OCNE、OCLNNo voltage is switched off. The a output in figure 2 is high level 1,
、
the output is high level 1, the output of the 3Y4 and gate circuit in fig. 4 is high level 1, the LED4 flashes red light to indicate danger, and the IC4 is triggered high level, so that the voice broadcast speaker SP plays the "lack of ground wire" voice signal stored in the voice module IC 4.
(3) If the live wire and the ground are reversely connected: the photoelectric coupler OC in the figures 1 and 2LE、OCNEWith voltage conduction, OCLNNo voltage is switched off. The A, C output in figure 2 is high level 1,
the output is high level 1, the output of the 3Y5 and gate circuit in fig. 5 is high level 1, the LED4 flashes red light to indicate danger, and simultaneously the IC5 is triggered by high level, so that the voice broadcast speaker SP plays the voice signal of "fire-earth ground reverse connection" stored in the voice module IC 5.
(4) If the zero line is broken: the photoelectric coupler OC in the figures 1 and 2LEWith voltage conduction, OCLN、OCNENo voltage is switched off. The a output in figure 2 is high level 1,
、
the output is high level 1, the output of the 3Y6 and gate circuit in fig. 6 is high level 1, the flashing light of the LED4 indicates danger (it cannot be used), and simultaneously the high level of the IC6 triggers, so that the voice broadcasting speaker SP plays the voice signal of "zero line broken line" stored in the voice module IC 5.
(5) Fire-zero reversal: the photoelectric coupler OC in the figures 1 and 2LN、OCNEWith voltage conduction, OCLENo voltage is switched off. The B, C output in figure 2 is high level 1,
the output is at high level1, 3Y7 and gate circuit output is high level 1 in fig. 7, LED7 flashes yellow to indicate available but not safe, while IC7 is triggered high, causing the voice broadcast speaker SP to play the "fire-neutral reverse" voice signal stored in the voice module IC 7.
(6) Line break or three-phase no electricity: the photoelectric coupler OC in the figures 1 and 2LN、OCNE、OCLENo voltage is switched off. In FIG. 2
、
、
The output is high level 1, the output of the 3Y8 and gate circuit in fig. 8 is high level 1, the flash white light of the LED8 indicates that the live wire of the socket is broken or is not electrified, and simultaneously, the IC8 is triggered at high level, so that the voice broadcasting speaker SP plays the "live wire broken or three-phase no-electrified" voice signal stored in the voice module IC 8.
The above-described aspects may be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the term "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely to illustrate the technical solutions of the present invention and not to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made without departing from the spirit and scope of the present invention and it should be understood that the present invention is to be covered by the appended claims.
Claims (10)
1. The utility model provides an intelligent socket detection device that works a telephone switchboard which characterized in that: the system comprises an LNE three-wire position identification circuit, a logic following and inverse signal generating circuit, a logic identification circuit with correct wiring, a logic identification circuit lacking a ground wire, a logic identification circuit with inverse fire-ground wire connection, a logic identification circuit with broken zero wire, a logic identification circuit with inverse fire-zero wire connection, a logic identification circuit with broken fire wire or three-phase non-electricity and a power module;
the LNE three-wire position identification circuit is connected with the logic following and inverse signal generating circuit, the logic following and inverse signal generating circuit is respectively connected with the logic identification circuit with correct wiring, the logic identification circuit lacking the ground wire, the logic identification circuit with the reverse connection of the live wire and the ground wire, the logic identification circuit with the broken zero wire, the logic identification circuit with the reverse connection of the live wire and the zero wire, the logic identification circuit with the broken live wire or the logic identification circuit without electricity of three phases, and the power circuit is used for supplying power.
2. The smart jack connection detection device of claim 1, wherein:
the LNE three-wire position identification circuit is used for identifying the positions of a live wire L, a zero wire N and a protective ground wire E and converting a voltage signal into a photoelectric signal;
the logic following and inverse signal generating circuit is used for generating each photoelectric signal into a signal which is the same as the original signal and simultaneously generating a signal which is opposite to the original signal;
the logic identification circuit with correct wiring is used for identifying whether the three lines of the live wire L, the zero line N and the protective ground wire E are correctly wired or not;
the logic identification circuit of the lack of the ground wire is used for identifying whether the ground wire is absent or not;
the fire-ground wire reverse connection logic identification circuit is used for identifying whether the fire-ground wire is reverse connected or not;
the logic identification circuit of the zero line disconnection is used for identifying whether the zero line is disconnected or not;
the logic identification circuit of the reverse connection of the live wire and the zero wire is used for identifying whether the live wire and the zero wire are reversely connected;
and the logic identification circuit for the broken live wire or the non-electricity of the three phases is used for identifying whether the live wire is broken or whether the three phases are non-electricity.
3. The smart jack connection detection device of claim 1, wherein:
the LNE three-wire position identification circuit comprises a three-phase standard plug and a resistor RNE、RLN、RLEDiode DNE、DLN、DLEAnd a photoelectric coupler OCNE、OCLN、OCLE；
The PE wire of the three-phase standard plug is respectively connected with a resistor RNEOne terminal of (1), diode DLENegative electrode of (1), photoelectric coupler OCLEFirst terminal of (3), resistor RNEThe other end of the diode D is respectively connected with the diode DNEPositive electrode, photoelectric coupler OCNESecond terminal of (D), diode DNENegative electrode of (1), photoelectric coupler OCNEThe first end of the three-phase standard plug is respectively connected with the N line of the three-phase standard plug and the resistor RLNOne terminal of (1), resistance RLNThe other end of the diode D is respectively connected with the diode DLNPositive electrode, photoelectric coupler OCLNSecond terminal of (D), diode DLNNegative electrode of (1), photoelectric coupler OCLNThe first end of the three-phase standard plug is respectively connected with an L line and a resistor R of the three-phase standard plugLEOne terminal of (1), resistance RLEThe other end of the diode D is respectively connected with the diode DLEPositive electrode, photoelectric coupler OCLEThe second end of (a).
4. The smart jack connection detection device of claim 3, wherein:
the logic following and inversion signal generating circuit comprises resistors R7, R8, R9, inverters F1, F2 and F3; the LNE three-wireOptoelectronic coupler OC in position identification circuitNE、OCLN、OCLEThe third ends are connected with VCC and a photoelectric coupler OCNEThe fourth end of the inverter F3 is used as an interface C and is respectively connected with one end of a resistor R9 and one end of an inverter F3, and the other end of the inverter F3 is used as an interface non-C;
photoelectric coupler OCLNThe fourth end of the inverter F2 is used as an interface B and is respectively connected with one end of a resistor R8 and one end of an inverter F2, and the other end of the inverter F2 is used as an interface B;
photoelectric coupler OCLEThe fourth end of the inverter F1 is used as an interface A and is respectively connected with one end of a resistor R7 and one end of an inverter F1, and the other end of the inverter F1 is used as an interface A;
the other ends of the resistors R7, R8 and R9 are all connected with the interface OV.
5. The smart jack connection detection device of claim 4, wherein:
the logic identification circuit with correct wiring comprises a correct wiring judgment module, a resistor R1, a light emitting diode LED3, a voice module IC3, a diode D3 and a voice broadcast loudspeaker SP; the correct wiring judgment module adopts a three-input AND gate 3Y 3;
interface A, B, non-C all connect the input of three input AND gate 3Y3, three input AND gate 3Y3 output end connects the one end of resistance R1, the one end of voice module IC3 respectively, the other termination of resistance R1 emitting diode LED 3's positive pole, emitting diode LED3 negative pole connects interface OV, the other termination of voice module IC3 diode D3's positive pole, D3's negative pole connects interface SP +, the one end of voice broadcast loudspeaker SP respectively, the other termination of voice broadcast loudspeaker SP connects interface OV.
6. The smart jack connection detection device of claim 5, wherein: the logic identification circuit lack of the ground wire comprises a ground wire lack judgment module, a resistor R2, a diode D2, a light emitting diode LED4, a voice module IC4 and a diode D4; the default line judgment module adopts a three-input AND gate 3Y 4;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y4, the output end of the three-input AND gate 3Y4 is respectively connected with one end of a resistor R2 and one end of a voice module IC4, the other end of the resistor R2 is connected with the anode of a diode D2, the cathode of a diode D2 is respectively connected with the interface RS and the anode of a light-emitting diode LED4, the cathode of the light-emitting diode LED4 is connected with an interface OV, the other end of the voice module IC4 is connected with the anode of the diode D4, and the cathode of D4 is connected with an interface SP +.
7. The smart jack connection detection device of claim 6, wherein: the fire-ground wire reverse connection logic identification circuit comprises a fire-ground wire reverse connection judgment module, a resistor R3, a diode D9, a voice module IC5 and a diode D5; the fire-ground wire reverse connection judging module adopts a three-input AND gate 3Y 5;
interfaces A and NOT B, C are connected to the input end of a three-input AND gate 3Y5, the output end of the three-input AND gate 3Y5 is connected to one end of a resistor R3 and one end of a voice module IC5, the other end of the resistor R3 is connected to the anode of a diode D9, the cathode of the diode D9 is connected to an interface RS, the other end of the voice module IC5 is connected to the anode of a diode D5, and the cathode of the D5 is connected to an interface SP +.
8. The smart jack connection detection device of claim 7, wherein: the logic identification circuit for zero line disconnection comprises a zero line disconnection judgment module, a resistor R4, a diode D10, a voice module IC6 and a diode D6; the zero line disconnection judging module adopts a three-input AND gate 3Y 6;
interfaces A, B and C are all connected with the input end of a three-input AND gate 3Y6, the output end of the three-input AND gate 3Y6 is respectively connected with one end of a resistor R4 and one end of a voice module IC6, the other end of the resistor R4 is connected with the anode of a diode D10, the cathode of a diode D10 is connected with an interface RS, the other end of the voice module IC6 is connected with the anode of a diode D6, and the cathode of D6 is connected with an interface SP +.
9. The smart jack connection detection device of claim 8, wherein: the logic identification circuit for reverse connection of the live wire and the zero wire comprises a reverse connection judgment module of the live wire and the zero wire, a resistor R5, a light-emitting diode LED7, a voice module IC7 and a diode D7; the fire-zero line reverse connection judging module adopts a three-input AND gate 3Y 7;
the interface nodes A, B, C are all connected with the input end of a three-input AND gate 3Y7, the output end of the three-input AND gate 3Y7 is respectively connected with one end of a resistor R5 and one end of a voice module IC7, the other end of the resistor R5 is connected with the anode of a light-emitting diode LED7, the cathode of the light-emitting diode LED7 is connected with an interface OV, the other end of the voice module IC7 is connected with the anode of a diode D7, and the cathode of D7 is connected with an interface SP +.
10. The smart jack connection detection device of claim 9, wherein: the logic identification circuit for live wire disconnection or three-phase no-power comprises a live wire disconnection judging module, a resistor R6, a light emitting diode LED8, a voice module IC8 and a diode D8; the live wire disconnection judging module adopts a three-input AND gate 3Y 8;
the interfaces of non-A, non-B and non-C are all connected with the input end of a three-input AND gate 3Y8, the output end of the three-input AND gate 3Y8 is respectively connected with one end of a resistor R6 and one end of a voice module IC8, the other end of the resistor R6 is connected with the anode of a light emitting diode LED8, the cathode of the light emitting diode LED8 is connected with an interface OV, the other end of the voice module IC8 is connected with the anode of a diode D8, and the cathode of D8 is connected with an interface SP +.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010291644.6A CN111551877A (en) | 2020-04-14 | 2020-04-14 | Intelligent socket wiring detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010291644.6A CN111551877A (en) | 2020-04-14 | 2020-04-14 | Intelligent socket wiring detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665438A (en) * | 2022-05-24 | 2022-06-24 | 浙江中控技术股份有限公司 | Terminal board and surge device and safety barrier device comprising same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114665438A (en) * | 2022-05-24 | 2022-06-24 | 浙江中控技术股份有限公司 | Terminal board and surge device and safety barrier device comprising same |
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