CN206685641U - A kind of multifunctional intellectual socket based on power line carrier, PLC - Google Patents

Abstract

A kind of multifunctional intellectual socket based on power line carrier, PLC, control unit, Zero-voltage zero-current switch, a data metering unit and a communication unit, Zero-voltage zero-current switch, the data metering unit, the communication unit are both connected on the middle control unit during the socket includes one.The utility model can be realized：Remote switch control function：The protection filter unit includes carrier signal termination power and choke circuit; after carrier signal coupling unit of the power line carrier signal by protecting filter unit; into PLC unit; the PLC unit demodulates data-signal from the carrier signal received; Zero-voltage zero-current switch motion is controlled, realizes the control of load electricity consumption；Load creepage protection function：By detect load live wire and zero line current phasor and, realize the leakage current test to load and protection；Electric energy metrical function：Collection load live wire and neutral line current in real time, are measured to the voltage of load, electric current, active power, reactive power.

Description

A kind of multifunctional intellectual socket based on power line carrier, PLC

Technical field

The utility model belongs to Internet of Things jack technology field, and in particular to a kind of based on the multi-functional of power line carrier, PLC Smart jack.

Technical background

Socket at present on the market is a lot, includes the common socket such as the household socket of in-wall, socket, industrial socket, closely , also there are a variety of smart jack products in the rise of Internet of Things concept over year.Existing smart jack product in use, Communication between intelligent terminal is realized to build Internet of Things by network or PLC technology, but in household or outdoor ring In border, many interference can be produced in information exchanging process, the efficiency of Internet of Things is significantly reduced, influences user's body Test.Electrical equipment is accessing the moment of socket simultaneously, and moment operating current is very big, can produce electric spark, very influence the use of plug Life-span.

Utility model content

In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of based on power line carrier, PLC Multifunctional intellectual socket.

The technical solution of the utility model is specific as follows：A kind of multifunctional intellectual socket based on power line carrier, PLC, institute Unit is controlled in stating socket and including one, Zero-voltage zero-current switch, a data metering unit and a communication unit, the Zero-voltage zero-current are opened Pass, the data metering unit, the communication unit are both connected on the middle control unit；

The middle control unit includes a MCU control sections and a MUC metering sections, and the data metering unit connects institute MCU metering sections are stated, the Zero-voltage zero-current, which switchs, connects the MCU control sections, described in the communication unit equally connection MCU control sections.

Further, the Zero-voltage zero-current switch includes a reverse-blocking tetrode thyristor and a switch with mechanical contact, and the machinery touches Point switch is arranged on live wire, and the reverse-blocking tetrode thyristor is in parallel with the switch with mechanical contact, and the MCU control sections connect respectively Connect the control pole of the reverse-blocking tetrode thyristor and the control pole of the switch with mechanical contact.

Further, the data metering circuit is adopted including one first sampling unit, one second sampling unit and one the 3rd Sample unit, wherein first sampling unit is specifically by copper manganese electrical resistance collection loop current；The second sampling unit tool Body be by current transformer gather live wire and zero line current phasor and；3rd sampling unit is specifically by partial pressure electricity Resistance collection live wire and zero voltage between lines.

Further, the communication unit is PLC unit.

Further, the socket also includes a protection filter unit, and the protection filter unit connection communication is single Member；The protection filter unit is arranged on live wire and zero line.

Further, the protection filter unit includes carrier signal termination power and choke circuit.

The beneficial effects of the utility model are：The application and by the use of the existing power line of family as carrier communication medium, The accuracy of its information transfer is improved by anti-interference unit, realizes communication and control between smart machine.Institute can be inquired about at any time There are all intelligent electric appliances in electrical appliance state either switch centralized Control man, group opens a group pass and specifies electrical equipment, such as scene lamp；With When grasp household safety-protection situation, such as antitheft, fire alarm, detect gas leakage；Electrical equipment in family is carried out by internet or phone Remote control, and greatly improve by protection location the service life of socket, for user more bring high-quality adventure in daily life and Amenities of life.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the utility model signal flow schematic diagram.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining The utility model, it is not used to limit the utility model.

On the contrary, the utility model cover it is any be defined by the claims do in spirit and scope of the present utility model Replacement, modification, equivalent method and scheme.Further, it is right below in order that the public has a better understanding to the utility model It is detailed to describe some specific detail sections in detailed description of the present utility model.Do not have for a person skilled in the art The description of these detail sections can also understand the utility model completely.Below in conjunction with the accompanying drawings with embodiment, to this reality With new further explanation.

Is as shown in Figure 1 Tthe utility model system schematic diagram, the schematic shows a kind of based on power line carrier, PLC Multifunctional intellectual socket, the socket controls unit 1, the data metering unit 3 and one of Zero-voltage zero-current switch 2, one in including one logical It is single that news unit 11, Zero-voltage zero-current switch 2, the data metering unit 3, the communication unit 11 are both connected to the middle control In member 1；

Specially described middle control unit 1 includes a MCU control sections 4 and a MUC metering sections 5, the data metering list The connection of the member 3 MCU metering sections 5, the connection MCU control sections 4 of Zero-voltage zero-current switch 2, the communication unit 11 Equally connect the MCU control sections 4.

The socket is respectively provided with unique physical an ID, the physics ID and bound with true three-dimension numerical value, can be X, Y, Z Three-dimensional numerical value or longitude, latitude, altitude value；After the socket has a unique physical ID, it can be achieved to pass through GIS System is managed, therefore control centre can realize and is managed using generalized information system in the utility model.

In one embodiment, the middle control unit 1 employs the single-chip microcomputer of integrated microcontroller and electric energy metrical unit, drop Low cost simultaneously simplifies system peripherals design.

The Zero-voltage zero-current switch 2 includes a reverse-blocking tetrode thyristor and a switch with mechanical contact, and the switch with mechanical contact is set It is placed on live wire, the reverse-blocking tetrode thyristor is in parallel with the switch with mechanical contact, described in the MCU control sections 4 connect respectively The control pole of the control pole of reverse-blocking tetrode thyristor and the switch with mechanical contact；

During switch conduction, reverse-blocking tetrode thyristor first is opened in voltage over zero, then opens switch with mechanical contact, is switched off When, switch with mechanical contact is first disconnected, then reverse-blocking tetrode thyristor is disconnected in voltage over zero, load surge impact during switch is eliminated, Electric arc when mechanical contact action is eliminated, the electric energy loss and heating problem that of-state voltage is brought when eliminating controlled silicon conducting.

The data metering circuit 3 includes one first sampling unit 6, one second sampling unit 7 and one the 3rd sampling unit 8, wherein first sampling unit 6 is specifically by copper manganese electrical resistance collection loop current；3rd sampling unit 8 is specially Live wire and zero voltage between lines are gathered by divider resistance；Realize electric energy metrical (active and reactive and power factor) and voltage, electric current Collection, second sampling unit 7 specifically by current transformer gather live wire and zero line current phasor and, realize negative Carrier leak electro-detection.

As shown in Fig. 2 the signal interaction schematic flow sheet for smart jack provided by the utility model；The socket also wraps A protection filter unit 9 is included, the protection filter unit 9 connects the communication unit 11；The protection filter unit 9 is set In on live wire and zero line,The data transfer that the MCU metering sections are gathered is on communication unit 11, the protection filter unit Including carrier signal termination power and choke circuit.

The interference such as thunderbolt, surge on the protection filter unit 9 prevention power line enter inside socket, can be communication The high-frequency electrical line of force carrier signal of unit 11 provides coupling channel and simultaneously isolates high-voltage signal and low-voltage signal, during transmission, by height Frequency carrier signal is transferred on power line from communication unit 11, during reception, high-frequency carrier signal is sent to from power line logical Interrogate on unit 11；

In one embodiment, the communication unit 11 is PLC unit.

Smart jack provided by the utility model, the data that can be gathered include：The voltage of load, load electric current, Power, temperature, on off state, fault message and the intrinsic job informations of PLC (including ID, relaying series etc.).

It can realize that following functions are specially by the utility model：

Remote switch control function：The protection filter unit includes carrier signal termination power and choke circuit, described After carrier signal coupling unit of the power line carrier signal by protecting filter unit, into PLC unit, the PLC unit from Data-signal is demodulated in the carrier signal received, controls Zero-voltage zero-current switch motion, realizes the control of load electricity consumption；

Load creepage protection function：By detect load live wire and zero line current phasor and, realize the electric leakage to load Stream detection and protection；

Electric energy metrical function：Collection load live wire and neutral line current in real time, to the voltage of load, electric current, active power, nothing Work(power measures.

Claims (6)

1. A kind of 1. multifunctional intellectual socket based on power line carrier, PLC, it is characterised in that the socket include one in control unit, One Zero-voltage zero-current switch, a data metering unit and a communication unit, the Zero-voltage zero-current switch, the data metering unit, The communication unit is both connected on the middle control unit；

   The middle control unit includes a MCU control sections and a MUC metering sections, and the data metering unit connects the MCU Metering section, the Zero-voltage zero-current switch connect the MCU control sections, and the communication unit equally connects the MCU controls Part.
2. 2. the multifunctional intellectual socket according to claim 1 based on power line carrier, PLC, it is characterised in that the zero-pressure Zero-voltage-switching includes a reverse-blocking tetrode thyristor and a switch with mechanical contact, and the switch with mechanical contact is arranged on live wire, it is described can Control transwitch is in parallel with the switch with mechanical contact, and the MCU control sections connect the control pole of the reverse-blocking tetrode thyristor respectively With the control pole of the switch with mechanical contact.
3. 3. the multifunctional intellectual socket according to claim 1 based on power line carrier, PLC, it is characterised in that the data Metering circuit includes one first sampling unit, one second sampling unit and one the 3rd sampling unit, wherein first sampling is single Member is specifically by copper manganese electrical resistance collection loop current；Second sampling unit gathers live wire specifically by current transformer With the current phasor of zero line and；3rd sampling unit gathers live wire and zero voltage between lines specifically by divider resistance.
4. 4. the multifunctional intellectual socket according to claim 1 based on power line carrier, PLC, it is characterised in that the communication Unit is PLC unit.
5. 5. the multifunctional intellectual socket according to claim 1 based on power line carrier, PLC, it is characterised in that described to insert Seat also includes a protection filter unit, and the protection filter unit connects the communication unit；The protection filter unit is set In on live wire and zero line.
6. 6. the multifunctional intellectual socket according to claim 5 based on power line carrier, PLC, it is characterised in that the protection Filter unit includes carrier signal termination power and choke circuit.