CN212062880U

CN212062880U - Intelligent socket

Info

Publication number: CN212062880U
Application number: CN202020897776.9U
Authority: CN
Inventors: 张丽霞; 时云峰; 孙熠; 陈斌; 刘峰
Original assignee: Sichuan Vocational and Technical College Communications
Current assignee: Sichuan Vocational and Technical College Communications
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-01
Anticipated expiration: 2030-05-25

Abstract

The utility model discloses an intelligent socket belongs to the electronic product field. The intelligent socket comprises a socket input end and a socket output end, wherein a live wire and a zero line are connected between the socket input end and the socket output end, the intelligent socket also comprises a control unit and a power supply unit which is connected with the socket input end and used for supplying power to the control unit; the control unit comprises a switch control circuit connected with the input end and the output end of the socket, the switch control circuit is respectively connected with the MCU circuit and the electric power metering circuit, the MCU circuit is respectively connected with the data storage circuit, the alarm circuit, the clock circuit, the communication circuit, the display screen and the electric power metering circuit, and the electric power metering circuit is connected with the input end of the socket.

Description

Intelligent socket

Technical Field

The utility model relates to an electronic product field, concretely relates to smart jack.

Background

The socket, also called power socket, switch socket, includes input end for connecting with commercial power and output end for connecting with consumer.

However, the existing sockets are single in function, and cannot measure the power consumption of electric equipment connected into the sockets, so that great inconvenience is brought to life of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can measure the smart jack of consumer power consumption to the above-mentioned not enough among the prior art.

In order to achieve the purpose of the invention, the utility model adopts the technical scheme that:

the intelligent socket comprises a socket input end, a socket output end, a control unit and a power supply unit, wherein a live wire and a zero wire are connected between the socket input end and the socket output end; the control unit comprises a switch control circuit connected with the input end and the output end of the socket, the switch control circuit is respectively connected with the MCU circuit and the electric power metering circuit, the MCU circuit is respectively connected with the data storage circuit, the alarm circuit, the clock circuit, the communication circuit, the display screen and the electric power metering circuit, and the electric power metering circuit is connected with the input end of the socket.

The utility model has the advantages that:

the power consumption of the electric equipment connected with the socket output end is obtained based on the electric power metering circuit and the clock circuit, the power consumption information is uploaded to the MCU circuit, and the power consumption information is sent to the receiving equipment through the communication circuit. Meanwhile, the power consumption information can be known through the display screen, and when the MCU circuit detects that the power consumption information belongs to a set alarm state, the alarm circuit is controlled to alarm. When the MCU circuit detects that the intelligent socket belongs to a state that the power supply needs to be cut off, the control switch control circuit cuts off the connection between the socket input end and the socket output end, and therefore the power supply of the electric equipment connected with the intelligent socket is cut off.

Drawings

Fig. 1 is a schematic block diagram of the smart jack of the present invention;

FIG. 2 is a schematic diagram of an MCU circuit in an embodiment;

FIG. 3 is a schematic diagram of a metering circuit in an embodiment;

FIG. 4 is a schematic diagram of a reset circuit in an embodiment;

FIG. 5 is a schematic diagram of a transmission circuit in an embodiment;

FIG. 6 is a schematic diagram of a voltage acquisition circuit in an embodiment;

FIG. 7 is a schematic diagram of a switch control circuit in an embodiment;

fig. 8 is a schematic diagram of a current acquisition circuit in an embodiment.

Detailed Description

The following detailed description of the present invention will be made with reference to the accompanying drawings so as to facilitate the understanding of the present invention by those skilled in the art. It should be understood that the embodiments described below are only some embodiments of the invention, and not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive step, without departing from the spirit and scope of the present invention as defined and defined by the appended claims, fall within the scope of protection of the invention.

It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.

As shown in fig. 1, the intelligent socket includes a socket input end and a socket output end, a live wire and a zero wire are connected between the socket input end and the socket output end, and the intelligent socket also includes a control unit and a power supply unit connected with the socket input end and used for supplying power to the control unit; the control unit comprises a switch control circuit connected with the input end and the output end of the socket, the switch control circuit is respectively connected with the MCU circuit and the electric power metering circuit, the MCU circuit is respectively connected with the data storage circuit, the alarm circuit, the clock circuit, the communication circuit, the display screen and the electric power metering circuit, and the electric power metering circuit is connected with the input end of the socket.

During implementation, the communication circuit comprises a WIFI module, an Ethernet interface and/or an RS-485 interface which are connected with the MCU circuit, so that diversified communication modes are realized.

The MCU circuit is shown in fig. 2. The electric power metering circuit comprises a metering circuit, and a reset circuit, a transmission circuit, a voltage acquisition circuit and a current acquisition circuit which are respectively connected with the metering circuit, wherein the transmission circuit is respectively connected with the reset circuit and a chip IC1 in the MCU circuit, the voltage acquisition circuit is connected with the input end of the socket, and the current acquisition circuit is connected with the switch control circuit. The electric power is obtained based on the voltage collected by the voltage collecting circuit and the current collected by the current collecting circuit, and the electric power is sent to the MCU circuit, and the MCU circuit is combined with the electric power and the clock circuit to obtain the power consumption.

As shown in fig. 3, the metering circuit includes a metering chip U1, pin 1 of the metering chip U1 is connected to a resistor RM18 and a grounded capacitor CM9, the other end of the resistor RM18 is connected to a grounded capacitor CM10, one end of the grounded capacitor CM10, which is far away from the grounded point, is connected to pin 14 of the metering chip U1, pin 7 of the metering chip U1 is connected to grounded capacitors CM13 and CM14, pin 16 of the metering chip U1 is connected to grounded capacitors CM11 and CM12,

pins

13 and 12 of the metering chip U1 are connected to a crystal oscillator XM1, and two ends of the crystal oscillator XM1 are connected to grounded capacitors CM15 and CM16, respectively.

As shown in fig. 4, the reset circuit includes a photocoupler OM1, a pin 4 of a photocoupler OM1 is connected to a pin 15 of a resistor RM19, a grounded capacitor CM17 and a metering chip U1, the other end of the resistor RM19 is connected to a pin 14 of a metering chip U1, a pin 3 of the photocoupler OM1 is grounded, a pin 2 of the photocoupler OM1 is connected to a resistor RM20, and the other end of the resistor RM2 is floating.

As shown in fig. 5, the transmission circuit includes a photocoupler OM2 and a photocoupler OM3, a pin 1 of the photocoupler OM2 is connected with a pin 14 of the metering chip U1, a pin 2 of the photocoupler OM2 is connected with a pin 11 of the metering chip U1 through a resistor RM21, a pin 3 of the photocoupler OM2 is grounded, a pin 4 of the photocoupler OM2 is connected with a resistor RM22, a grounded capacitor CM18 and a pin 51 of the chip IC1, and the other end of the resistor RM22 is connected with a pin 1 of the photocoupler OM 1.

As shown in fig. 5, pin 4 of the photocoupler OM3 is connected to the resistor RM23, the ground capacitor CM19 and the pin 10 of the metering chip U1, the other end of the resistor RM23 is connected to the pin 14 of the metering chip U1, pin 3 of the photocoupler OM3 is grounded, pin 1 of the photocoupler OM3 is connected to pin 1 of the photocoupler OM1, and pin 2 of the photocoupler OM3 is connected to the pin 50 of the chip IC1 through the resistor RM 24.

The collected electric power information and the voltage and current information are transmitted to the MCU circuit through the transmission circuit, and when the voltage, the current value or the electricity consumption obtained by the MCU circuit based on the electric power information is larger than the corresponding threshold value preset in the MCU circuit, the alarm circuit is controlled to work, and the alarm lamp can be turned on.

As shown in fig. 6, the voltage acquisition circuit includes resistors RM1, RM2, RM3, RM4, RM5, RM6, RM8 and RM7 connected in series in sequence, the other end of the resistor RM1 is connected to a zero line, a node between the resistor RM8 and the resistor RM7 is grounded, one end of the resistor RM8 far away from a grounding point is connected to a grounding capacitor CM4, one end of the resistor RM7 far away from the grounding point is connected to a grounding capacitor CM3 and a pin 3 of a metering chip U1, and a node between the resistors RM6 and RM8 is connected to a pin 2 of the metering chip U1.

As shown in fig. 7, the switch control circuit includes relays K1, K2 and a resistor R3 connected to a pin 44 of a chip IC1, the other end of the resistor R3 is connected to a base of a transistor Q4, an emitter of the transistor Q4 is grounded, a collector of the transistor Q4 is connected to one ends of coils of the relays K1, K2 and diodes D6 and D7, respectively, and the other ends of the coils of the relays K1 and K2 and the other ends of the diodes D6 and D7 are connected to a 12V power supply; two ends of a normally open switch in the relay K1 are connected into a zero line, and a normally open switch in the relay K2 is connected into a live line. When the voltage or the current is larger than the corresponding preset threshold value in the MCU circuit, the MCU circuit controls the coils of the relays K1 and K2 to lose power, so that normally open switches of the relays K1 and K2 are kept disconnected, and the connection between the socket input end and the socket output end is cut off.

As shown in fig. 8, the current collection circuit includes a current transformer I1 for collecting live wire current, one end of the current transformer I1 is connected with one end of the zero wire close to the normally open switch in the relay K1, the resistor RM10 is connected with the ground resistor RM12, the other end of the resistor RM10 is connected with the pin 5 of the metering chip U1 and the ground capacitor CM6, the other end of the current transformer is connected with one end of the live wire close to the normally open switch in the relay K2, the resistor RM9 is connected with the ground resistor RM11, and the other end of the resistor 9 is connected with the pin 6 of the metering chip U1 and the ground capacitor CM 5.

Claims

1. An intelligent socket comprises a socket input end and a socket output end, wherein a live wire and a zero wire are connected between the socket input end and the socket output end; the control unit comprises a switch control circuit connected with the input end and the output end of the socket, the switch control circuit is respectively connected with an MCU circuit and an electric power metering circuit, the MCU circuit is respectively connected with a data storage circuit, an alarm circuit, a clock circuit, a communication circuit, a display screen and the electric power metering circuit, and the electric power metering circuit is connected with the input end of the socket.

2. The smart jack of claim 1, wherein the communication circuit comprises a WIFI module, an ethernet interface and/or an RS-485 interface in circuit connection with the MCU.

3. The smart socket according to claim 1 or 2, wherein the electric power metering circuit comprises a metering circuit, and a reset circuit, a transmission circuit, a voltage acquisition circuit and a current acquisition circuit which are respectively connected with the metering circuit, the transmission circuit is respectively connected with the reset circuit and a chip IC1 in the MCU circuit, the voltage acquisition circuit is connected with the socket input end, and the current acquisition circuit is connected with the switch control circuit.

4. The smart jack of claim 3, wherein the metering circuit comprises a metering chip U1, pin 1 of the metering chip U1 is connected with a resistor RM18 and a grounded capacitor CM9 respectively, the other end of the resistor RM18 is connected with a grounded capacitor CM10, one end of the grounded capacitor CM10 far away from the grounded point is connected with a pin 14 of the metering chip U1, pin 7 of the metering chip U1 is connected with grounded capacitors CM13 and CM14 respectively, pin 16 of the metering chip U1 is connected with grounded capacitors CM11 and CM12 respectively, pins 13 and 12 of the metering chip U1 are connected with a crystal oscillator XM1, and two ends of the crystal oscillator XM1 are connected with grounded capacitors CM15 and CM16 respectively.

5. The smart socket according to claim 4, wherein the reset circuit comprises a photocoupler OM1, a pin 4 of a photocoupler OM1 is respectively connected with a resistor RM19, a grounded capacitor CM17 and a pin 15 of a metering chip U1, the other end of the resistor RM19 is connected with a pin 14 of a metering chip U1, a pin 3 of the photocoupler OM1 is grounded, a pin 2 of the photocoupler OM1 is connected with a resistor RM20, and the other end of the resistor RM2 is suspended.

6. The smart socket according to claim 5, wherein the transmission circuit comprises a photocoupler OM2 and a photocoupler OM3, a pin 1 of the photocoupler OM2 is connected with a pin 14 of the metering chip U1, a pin 2 of the photocoupler OM2 is connected with a pin 11 of the metering chip U1 through a resistor RM21, a pin 3 of the photocoupler OM2 is grounded, a pin 4 of the photocoupler OM2 is respectively connected with a resistor RM22, a grounded capacitor CM18 and a pin 51 of the chip IC1, and the other end of the resistor RM22 is connected with a pin 1 of the photocoupler OM 1;

pin 4 of the photoelectric coupler OM3 is connected with pin 10 of resistor RM23, ground capacitor CM19 and metering chip U1, respectively, the other end of resistor RM23 is connected with pin 14 of metering chip U1, pin 3 of photoelectric coupler OM3 is grounded, pin 1 of photoelectric coupler OM3 is connected with pin 1 of photoelectric coupler OM1, and pin 2 of photoelectric coupler OM3 is connected with pin 50 of chip IC1 through resistor RM 24.

7. The intelligent socket according to claim 3, wherein the voltage acquisition circuit comprises resistors RM1, RM2, RM3, RM4, RM5, RM6, RM8 and RM7 which are connected in series in sequence, the other end of the resistor RM1 is connected with a zero line, a node between the resistors RM8 and RM7 is grounded, one end of the resistor RM8 far away from the grounding point is connected with a grounding capacitor CM4, one end of the resistor RM7 far away from the grounding point is respectively connected with the grounding capacitor CM3 and a pin 3 of the metering chip U1, and the node between the resistors RM6 and RM8 is connected with a pin 2 of the metering chip U1.

8. The smart jack of claim 3, wherein the switch control circuit comprises relays K1, K2 and a resistor R3 connected to pin 44 of chip IC1, the other end of the resistor R3 is connected to the base of a transistor Q4, the emitter of the transistor Q4 is grounded, the collector of the transistor Q4 is connected to one end of the coil of relays K1 and K2 and diodes D6 and D7, and the other ends of the coil of relays K1 and K2 and the other ends of diodes D6 and D7 are connected to a 12V power supply; two ends of a normally open switch in the relay K1 are connected into a zero line, and a normally open switch in the relay K2 is connected into a live line.

9. The intelligent socket according to claim 8, wherein the current collection circuit comprises a current transformer I1 for collecting live wire current, one end of the current transformer I1 is respectively connected with one end of a zero wire close to a normally open switch in a relay K1, a resistor RM10 and a ground resistor RM12, the other end of the resistor RM10 is respectively connected with a pin 5 of a metering chip U1 and a ground capacitor CM6, the other end of the current transformer is respectively connected with one end of a live wire close to a normally open switch in a relay K2, a resistor RM9 and a ground resistor RM11, and the other end of the resistor RM9 is respectively connected with a pin 6 of the metering chip U1 and a ground capacitor CM 5.