CN211741409U - Electric consumption metering circuit in purification and stability device - Google Patents

Abstract

The utility model provides an electricity consumption metering circuit in a purifying and stabilizing device, which adopts a current detection circuit and a voltage detection circuit to detect the current and the voltage of each path of purifying output of the purifying and stabilizing device and adopts an electricity metering chip to meter; the electric quantity metering chip adopts a three-phase multifunctional metering chip U1 with the model number of ATT 7022E; the current detection circuit comprises a transformer L6, a resistor R24, a voltage R25, a capacitor C24, a capacitor C25, a resistor R23, a resistor R26, a capacitor C30 and a capacitor C34, wherein the live wire of the purified output of the circuit passes through a magnetic ring of the circuit; the voltage detection circuit comprises a resistor R1, a resistor R2, a capacitor C1 and a capacitor C2. The utility model discloses in, set up power consumption measurement circuit in purifying steady electrical apparatus, satisfy user's needs.

Description

Electric consumption metering circuit in purification and stability device

Technical Field

The utility model relates to a power consumption measurement field, especially a power consumption measurement circuit among steady electrical apparatus of purification.

Background

The ammeter is called as ammeter for short, it is the device of record power consumption, an ammeter that generally need all be installed to a family or a unit is used for the electric energy of measurement use, as the standard of charges for electricity, among the intelligent home systems, use and purify steady electrical apparatus and protect all electrical equipment in the family, and simultaneously, purify steady electrical apparatus and can also realize communicating with user's cell-phone APP through network communication, show the relevant condition of household electrical apparatus on user's cell-phone APP, if what equipment is running, what electrical apparatus does not work, how much charges for electricity etc. need be paid to whole family, like this, if still install an ammeter, then still need a network terminal, so relatively troublesome, the best way is in purifying steady electrical apparatus.

At present, the purifying and power stabilizing device does not have the function of measuring the power consumption.

SUMMERY OF THE UTILITY MODEL

The utility model discloses still do not possess the function of measurement power consumption to purifying at present in the steady electrical apparatus, provide a power consumption measurement circuit in the steady electrical apparatus of purification.

The utility model discloses a realize that the technical scheme that its technical purpose adopted is: a power consumption metering circuit in a purification and stabilization device detects current and voltage of each path of purification output of the purification and stabilization device by adopting a current detection circuit and a voltage detection circuit and meters by adopting a power metering chip; the electric quantity metering chip adopts a three-phase multifunctional metering chip U1 with the model number of ATT 7022E;

the current detection circuit comprises a transformer L6, a resistor R24, a voltage R25, a capacitor C24, a capacitor C25, a resistor R23, a resistor R26, a capacitor C30 and a capacitor C34, wherein the live wire of the purified output of the circuit passes through a magnetic ring of the circuit; one end of a coil of the transformer L6 is respectively connected with one end of a resistor R24 and one end of a capacitor C24, the other end of the coil is respectively connected with one end of a resistor R25 and one end of a capacitor C25, the other ends of the resistor R24 and the resistor R25 are both grounded, and the other ends of the capacitor C24 and the capacitor C25 are both grounded; one end of a coil of the transformer L6 is also connected with one end of a resistor R23, the other end of the resistor R23 is connected with one end of a capacitor C30 to form a first output end IXP of the current detection circuit, the other end of the coil of the transformer L6 is also connected with one end of a resistor R26, the other end of the resistor R26 is connected with one end of a capacitor C34 to form a second output end IXN of the current detection circuit, and the other ends of the capacitor C30 and the capacitor C34 are respectively grounded;

the voltage detection circuit comprises a resistor R1, a resistor R2, a capacitor C1 and a capacitor C2; the resistor R1 and the resistor R2 are arranged between the live wire and the zero wire of the purified output of the circuit, the capacitor C1 and the capacitor C2 are connected in parallel at two ends of the resistor R2, and the common end connected with the capacitor C1 and the capacitor C2 is grounded; a first output terminal VXP of the voltage detection circuit is formed by a common terminal of the resistor R2 connected with the capacitor C1, a second output terminal VXN of the voltage detection circuit is formed by a common terminal of the resistor R2 connected with the capacitor C2,

the first output end IXP and the second output end IXN of the current detection circuit are respectively connected with the V (2X-1) P end and the V (2X-1) N end of the three-phase multifunctional metering chip U1;

a first output end VXP and a second output end VXN of the voltage detection circuit are respectively connected with a V (2X) P end and a V (2X) N end of the three-phase multifunctional metering chip U1;

the X-th path purge output is represented by X, which is (1, 2, 3).

The utility model discloses in, set up power consumption measurement circuit in purifying steady electrical apparatus, satisfy user's needs.

Further, in the electricity consumption metering circuit in the purification and stabilization device: the current detection circuit further comprises a clamping circuit, the clamping circuit comprises a diode D6 and a diode D9, the diode D6 and the diode D9 are respectively connected between two output ends of the mutual inductor L6, a P pole of the diode D6 is connected with an N pole of the diode D9, and an N pole of the diode D6 is connected with a P pole of the diode D9.

Drawings

Fig. 1 is a schematic block diagram of an electricity metering circuit according to embodiment 1 of the present invention.

Fig. 2 is the utility model discloses embodiment 1 current detection circuit all the way.

Fig. 3 is the utility model discloses embodiment 1 voltage detection circuit all the way.

Fig. 4 is a connection diagram of the three-phase multifunctional metering chip U1 according to embodiment 1 of the present invention.

Detailed Description

Embodiment 1, this embodiment is in the intelligence house, and the electric meter circuit in the electric appliance is stabilized in the purification that is used for measuring whole domestic power among the electric appliance is stabilized in domestic purification, and in this embodiment, domestic purification is stabilized electric appliance and is exported three routes and purify the power, and the power consumption is used for illumination power consumption, air conditioner and socket in the family respectively, and the socket power consumption includes the computer in the family. Household appliances such as televisions and washing machines are in use. As shown in fig. 1 and 2, in the present embodiment: the total household electricity consumption is obtained by respectively metering the lighting electricity consumption, the air conditioning electricity consumption and the socket electricity consumption. As shown in figure 1 of the drawings, in which,

in the embodiment, the electricity consumption metering circuit in the purification electricity stabilizer adopts the current detection circuit and the voltage detection circuit to detect the current and the voltage of each path of purification output of the purification electricity stabilizer, and adopts the electricity metering chip to meter; the electric quantity metering chip adopts a three-phase multifunctional metering chip U1 with the model number of ATT 7022E. As shown in fig. 1, the parameters of the current output by the three-way current detection circuit are respectively input to V1P, V1N, V3N, V5N, and V5N (V (2X-1) N (2X-1) N) of the three-phase multifunctional metering chip U1 with the model ATT7022E from I1P, I1N, I2P, I2N, I3P, and I3N (IXP, IXN), and similarly, the parameters output by the corresponding three-way current detection circuit are respectively input to V2N, V4N, V6N, and V6V 72 (VXP, VXN) of the three-phase multifunctional metering chip U N with the model ATT 7022N from V1N, and the parameters output by V2N, V4N, V6X (V2X-1) N), where the electrical appliances (X, X3, X-X, and the electrical number can be purified. The other pins of the three-phase multifunctional metering chip U1 can be designed by themselves according to its manual, as shown in FIG. 4.

The current detection circuit is shown in fig. 2, which indicates one current detection circuit, in this embodiment, there are three such detection circuits, each current detection circuit includes a transformer L6 through which the live wire of the purified output passes, a resistor R24, a voltage R25, a capacitor C24, a capacitor C25, a resistor R23, a resistor R26, a capacitor C30, and a capacitor C34; one end of a coil of the transformer L6 is respectively connected with one end of a resistor R24 and one end of a capacitor C24, the other end of the coil is respectively connected with one end of a resistor R25 and one end of a capacitor C25, the other ends of the resistor R24 and the resistor R25 are both grounded, and the other ends of the capacitor C24 and the capacitor C25 are both grounded; one end of a coil of the transformer L6 is also connected with one end of a resistor R23, the other end of the resistor R23 is connected with one end of a capacitor C30 to form a first output end IXP of the current detection circuit, the other end of the coil of the transformer L6 is also connected with one end of a resistor R26, the other end of the resistor R26 is connected with one end of a capacitor C34 to form a second output end IXN of the current detection circuit, and the other ends of the capacitor C30 and the capacitor C34 are respectively grounded; in addition, in this embodiment, the current detection circuit further includes a clamp circuit, the clamp circuit includes a diode D6 and a diode D9, the diode D6 and the diode D9 are respectively connected between two output terminals of the transformer L6, a P-pole of the diode D6 is connected to an N-pole of the diode D9, and an N-pole of the diode D6 is connected to a P-pole of the diode D9. Here it is clamped within the diode PN forward conduction voltage, i.e. below 0.7V.

The voltage detection circuit is shown in fig. 3 and comprises a resistor R1, a resistor R2, a capacitor C1 and a capacitor C2; the resistor R1 and the resistor R2 are arranged between the live wire and the zero wire of the circuit purification output, wherein the resistor R1 and the resistor R2 are voltage division resistors, and when the resistor R1 is more than one hundred times of the resistor R2, the voltage at the two ends of the resistor R2 is below 0.4V under the normal condition. The capacitor C1 and the capacitor C2 are connected in parallel at two ends of the resistor R2, and the common end connected with the capacitor C1 and the capacitor C2 is grounded; a first output terminal VXP of the voltage detection circuit is formed at the common end of the resistor R2 connected with the capacitor C1, and a second output terminal VXN of the voltage detection circuit is formed at the common end of the resistor R2 connected with the capacitor C2.

Claims (2)

1. A power consumption metering circuit in a purification and stabilization device detects current and voltage of each path of purification output of the purification and stabilization device by adopting a current detection circuit and a voltage detection circuit and meters by adopting a power metering chip; the method is characterized in that: the electric quantity metering chip adopts a three-phase multifunctional metering chip U1 with the model number of ATT 7022E; the current detection circuit comprises a transformer L6, a resistor R24, a voltage R25, a capacitor C24, a capacitor C25, a resistor R23, a resistor R26, a capacitor C30 and a capacitor C34, wherein the live wire of the purified output of the circuit passes through a magnetic ring of the circuit; one end of a coil of the transformer L6 is respectively connected with one end of a resistor R24 and one end of a capacitor C24, the other end of the coil is respectively connected with one end of a resistor R25 and one end of a capacitor C25, the other ends of the resistor R24 and the resistor R25 are both grounded, and the other ends of the capacitor C24 and the capacitor C25 are both grounded; one end of a coil of the transformer L6 is also connected with one end of a resistor R23, the other end of the resistor R23 is connected with one end of a capacitor C30 to form a first output end IXP of the current detection circuit, the other end of the coil of the transformer L6 is also connected with one end of a resistor R26, the other end of the resistor R26 is connected with one end of a capacitor C34 to form a second output end IXN of the current detection circuit, and the other ends of the capacitor C30 and the capacitor C34 are respectively grounded; the voltage detection circuit comprises a resistor R1, a resistor R2, a capacitor C1 and a capacitor C2; the resistor R1 and the resistor R2 are arranged between the live wire and the zero wire of the purified output of the circuit, the capacitor C1 and the capacitor C2 are connected in parallel at two ends of the resistor R2, and the common end connected with the capacitor C1 and the capacitor C2 is grounded; a first output end VXP of the voltage detection circuit is formed by a common terminal of a resistor R2 connected with a capacitor C1, a second output end VXN of the voltage detection circuit is formed by a common terminal of a resistor R2 connected with a capacitor C2, and a first output end IXP and a second output end IXN of the current detection circuit are respectively connected with a V { 2X-1 } P end and a V { 2X-1 } N end of a three-phase multifunctional metering chip U1; a first output end VXP and a second output end VXN of the voltage detection circuit are respectively connected with a V { 2X } P end and a V { 2X } N end of the three-phase multifunctional metering chip U1; the X-th path purge output is represented by X, which is { 1, 2, 3 }.

2. The electricity consumption metering circuit in the purification electricity stabilizer according to claim 1, characterized in that: the current detection circuit further comprises a clamping circuit, the clamping circuit comprises a diode D6 and a diode D9, the diode D6 and the diode D9 are respectively connected between two output ends of the mutual inductor L6, a P pole of the diode D6 is connected with an N pole of the diode D9, and an N pole of the diode D6 is connected with a P pole of the diode D9.

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