CN211061624U - Two bus system socket detection circuitry - Google Patents

Abstract

The utility model relates to a two-bus system socket detection circuit, which comprises an upper computer, a two-wire system bus, a plurality of SM male and female butt joint terminal lines and a plurality of socket detection circuits, wherein the number of the SM male and female butt joint terminal lines is the same as that of the socket detection circuits; each SM male-female butt joint terminal line comprises a female terminal line and a male terminal line which are mutually inserted and matched, and the male terminal line of each SM male-female butt joint terminal line is connected in series by a hand power hand and then connected with a two-wire system bus; each socket detection circuit comprises a socket, a relay M, a diode D1, a TVS diode, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, an optical coupler U1, an MCU and a power module, and all the electronic components are connected in a matched mode. The two-bus socket detection circuit solves the problem that the use state of the socket cannot be monitored and controlled.

Description

Two bus system socket detection circuitry

Technical Field

The utility model relates to a socket technical field especially relates to a two total system socket detection circuitry.

Background

The socket is also called as a power socket and a switch socket. A socket is a receptacle into which one or more circuit connections can be inserted, through which various connections can be inserted. For ease of use, conventional sockets are also typically provided in many common areas. However, the management of the sockets in the public area is difficult, or the sockets in the public area are in an unsupervised state, and the use state of the sockets cannot be monitored and controlled, or more simply, whether the sockets are used or not cannot be monitored, and the power on of a certain socket or the power off of a certain socket cannot be accurately controlled.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides a two bus system socket detection circuitry solves the problem that the user state of socket can not monitor and control.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a two-bus socket detection circuit comprises an upper computer, a two-wire bus, a plurality of SM male and female butt joint terminal lines and a plurality of socket detection circuits, wherein the number of the SM male and female butt joint terminal lines is the same as that of the socket detection circuits; each SM male-female butt joint terminal line comprises a female terminal line and a male terminal line which are mutually inserted and matched, and the male terminal line of each SM male-female butt joint terminal line is connected in series by a hand power hand and then connected with a two-wire system bus;

each socket detection circuit all includes socket, relay M, diode D1, TVS diode, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, optical coupler U1, MCU and power module, the live wire end connection commercial power's live wire of socket, the zero line end and the public end electricity of relay M of socket are connected, the normally open end of relay M connects the zero line of commercial power, diode D1's anode end and relay M's public end electricity are connected, diode D1's cathode end and resistance R1's first end electricity are connected, resistance R1's second end is connected with the first end of electric capacity C1, TVS diode's cathode end, resistance R2's first end electricity respectively, electric capacity C1's second end and the anode end of TVS diode are connected with relay M's normally open end electricity respectively, resistance R2's second end and optical coupler U's anode end electricity are connected, the cathode end of the optical coupler U is electrically connected with the normally-open end of the relay M, the emitter end of the optical coupler U is grounded, the collector end of the optical coupler U is electrically connected with the first end of the resistor R3, the second end of the resistor R3 is electrically connected with the first end of the capacitor C2, the second end of the capacitor C2 is grounded, the second end of the resistor R3 is electrically connected with the I/O port of the MCU, the I/O port of the MCU is connected with the control end of the relay M, and the power supply module is connected with the power supply port of the MUC;

female terminal lines of the SM male and female butt joint terminal lines are connected with MCU communication ports of the socket detection circuit in a one-to-one correspondence mode, and the two-wire system bus is in communication connection with an upper computer.

Furthermore, the socket detection circuit further comprises a radio frequency read-write module, and the radio frequency read-write module is in communication connection with the MCU.

By adopting the technical scheme, the beneficial effects of the utility model are that: each socket detection circuit of the two-bus socket detection circuit is connected with the two-wire bus through the SM male-female butt-joint terminal wires respectively, the connection is convenient, the two-wire bus is connected with the upper computer, and a user can know the use state of each socket through the upper computer. Specifically, when the socket of the socket detection circuit is not connected with the electric equipment, the live wire of the mains supply forms a circuit loop with the zero line of the mains supply through the diode D1, the resistor R1, the resistor R2, the optical coupler U (the capacitor C1 and the TVS diode play a role in voltage stabilization), the optical coupler U outputs a high-level electric signal to the I/O port of the MCU, and the MCU judges that the socket is not connected with the electric equipment according to the electric signal. When the socket of the socket detection circuit is connected with the electric equipment, the electric signal output by the optical coupler U is pulled down, namely a low level signal is output, the I/O port of the MCU receives the low level signal, namely, the electric equipment is judged to be connected, and the MCU controls the relay M to be switched on. When the electric equipment is pulled out of the socket, the MCU controls the relay M to be disconnected. Furthermore, the socket detection circuit is also provided with a radio frequency read-write module, and when the socket is inserted into the electric equipment and the card needs to be swiped on the radio frequency read-write module, the MCU controls the relay M to be switched on.

Drawings

Fig. 1 is an overall circuit connection block diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of a socket detection circuit according to an embodiment of the present invention.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 and 2, the present embodiment provides a two-bus socket detection circuit, which includes an upper computer 1, a two-wire bus 2, four SM male and female docking terminal lines 3, and four socket detection circuits 4; each SM male-female butt joint terminal line comprises a male terminal line 31 and a female terminal line 32 which are mutually inserted and matched for use, the SM male-female butt joint terminal lines are existing electronic components, and the male terminal lines 31 of the four SM male-female butt joint terminal lines 3 are connected in series by hands and then connected with the two-wire bus 2; the two-wire system bus 2 is in communication connection with the upper computer 1.

The four socket detection 4 circuits all include a socket, a relay M, a diode D1, a TVS diode, a resistor R1, a resistor R2, a resistor R3, a capacitor C1, a capacitor C2, an optical coupler U1, an MCU, a radio frequency read-write module, and a power module, and in this specific embodiment, preferably, the MCU employs an MCS-51 single chip microcomputer, the power module employs a lithium battery, and each of the above electronic components is an existing device. The live wire of commercial power is connected to the live wire end of socket, the zero line end of socket and relay M's common terminal electricity are connected, the zero line of commercial power is connected to relay M's the normal open end, diode D1's anode end and relay M's common terminal electricity are connected, diode D1's cathode end and resistance R1's first end electricity are connected, resistance R1's second end is connected with the first end of electric capacity C1, TVS diode's cathode end, resistance R2's first end electricity respectively, electric capacity C1's second end and the normal open end electricity of relay M respectively with the anode end of TVS diode are connected, resistance R2's second end and optical coupler U's anode end electricity are connected, optical coupler U's cathode end and relay M's normal open end electricity are connected, optical coupler U's emitter extreme ground connection, optical coupler U's collector end and resistance R3's first end electricity are connected, the second end of the resistor R3 is electrically connected with the first end of the capacitor C2, the second end of the capacitor C2 is grounded, the second end of the resistor R3 is electrically connected with an I/O port of the MCU, the I/O port of the MCU is connected with the control end of the relay M, the power supply module is connected with the power supply port of the MUC, and the radio frequency read-write module is in communication connection with the MCU; the female terminal lines 31 of the four SM male and female butt-joint terminals 3 are connected with the MCU communication port of the socket detection circuit 4 in a one-to-one correspondence manner.

Each socket detection circuit 4 of the two-wire system socket detection circuit is connected with the two-wire system bus 2 through the SM male-female butt joint terminal line 3 respectively, the connection is convenient, the two-wire system bus 2 is connected with the upper computer 1, and a user can know the use state of each socket through the upper computer 1. Specifically, when the socket of the socket detection circuit 4 is not connected with the electric equipment, the live wire of the mains supply forms a circuit loop with the zero line of the mains supply through the diode D1, the resistor R1, the resistor R2, the optical coupler U (the capacitor C1 and the TVS diode play a role in voltage stabilization), the optical coupler U outputs a high-level electric signal to the I/O port of the MCU, and the MCU judges that the socket is not connected with the electric equipment according to the electric signal. When the socket of the socket detection circuit 4 is connected with the electric equipment, the electric signal output by the optical coupler U is pulled low, namely a low level signal is output, the I/O port of the MCU receives the low level signal, namely, the access electric equipment is judged, and after the card is required to be swiped on the radio frequency read-write module, the MCU controls the relay M to be switched on. When the electric equipment is pulled out of the socket, the MCU controls the relay M to be disconnected.

The number of the SM male and female butt joint terminal lines 3 can be more than one, and the number of the socket detection circuits 4 is the same as that of the SM male and female butt joint terminal lines 3. The female terminal lines 32 of the SM male and female butt-joint terminal lines 4 are connected to the MCU communication ports of the socket detection circuit 4 in a one-to-one correspondence.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (2)

1. A two bus system socket detection circuit is characterized in that: the intelligent socket comprises an upper computer, a two-wire system bus, a plurality of SM male and female butt joint terminal lines and a plurality of socket detection circuits, wherein the number of the SM male and female butt joint terminal lines is the same as that of the socket detection circuits; each SM male-female butt joint terminal line comprises a female terminal line and a male terminal line which are mutually inserted and matched, and the male terminal line of each SM male-female butt joint terminal line is connected in series by a hand power hand and then connected with a two-wire system bus;

each socket detection circuit all includes socket, relay M, diode D1, TVS diode, resistance R1, resistance R2, resistance R3, electric capacity C1, electric capacity C2, optical coupler U1, MCU and power module, the live wire end connection commercial power's live wire of socket, the zero line end and the public end electricity of relay M of socket are connected, the normally open end of relay M connects the zero line of commercial power, diode D1's anode end and relay M's public end electricity are connected, diode D1's cathode end and resistance R1's first end electricity are connected, resistance R1's second end is connected with the first end of electric capacity C1, TVS diode's cathode end, resistance R2's first end electricity respectively, electric capacity C1's second end and the anode end of TVS diode are connected with relay M's normally open end electricity respectively, resistance R2's second end and optical coupler U's anode end electricity are connected, the cathode end of the optical coupler U is electrically connected with the normally-open end of the relay M, the emitter end of the optical coupler U is grounded, the collector end of the optical coupler U is electrically connected with the first end of the resistor R3, the second end of the resistor R3 is electrically connected with the first end of the capacitor C2, the second end of the capacitor C2 is grounded, the second end of the resistor R3 is electrically connected with the I/O port of the MCU, the I/O port of the MCU is connected with the control end of the relay M, and the power supply module is connected with the power supply port of the MUC;

female terminal lines of the SM male and female butt joint terminal lines are connected with MCU communication ports of the socket detection circuit in a one-to-one correspondence mode, and the two-wire system bus is in communication connection with an upper computer.

2. The two-bus system socket detection circuit according to claim 1, wherein: the socket detection circuit further comprises a radio frequency read-write module, and the radio frequency read-write module is in communication connection with the MCU.

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