CN206313227U - Electric quantity-metering socket - Google Patents
Electric quantity-metering socket Download PDFInfo
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- CN206313227U CN206313227U CN201621424992.1U CN201621424992U CN206313227U CN 206313227 U CN206313227 U CN 206313227U CN 201621424992 U CN201621424992 U CN 201621424992U CN 206313227 U CN206313227 U CN 206313227U
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Abstract
The utility model is related to a kind of electric quantity-metering socket, and the electric quantity-metering socket includes zero line input, live wire input, output plughole, control module, relay, current detection module, power supply driver, electric quantity metering processor.Output plughole includes the first output plughole and the second output plughole, and control module includes radio circuit and processor of single chip computer, and relay includes relay switch and relay drive circuit.Above-mentioned electric quantity-metering socket, the electric current and line voltage for flowing into output plughole are measured by electric quantity metering processor, the current data and voltage data that will be measured are exported to processor of single chip computer, use electricity, power, the power factor (PF) of electric quantity-metering socket can be drawn, and show the data is activation after treatment in terminal remote to terminal.By the way that by the connection of the processor of single chip computer of control module and relay drive circuit, zero point that can be by chip microcontroller relay in exchange is turned on, and extends the service life of relay.
Description
Technical field
The utility model is related to household electricity technical field, more particularly to a kind of electric quantity-metering socket.
Background technology
With developing rapidly for electronic technology, smart home product gradually moves towards universalness.It is in global energy at present
Under state in short supply, country's encouragement, social energy conservation guiding, the awareness of saving energy of people also gradually strengthens.It is attempted to understanding indoor each
Electricity consumption point uses the distribution situation of electricity, to control unnecessary power consumption, so as to reach the purpose of using electricity wisely.
Socket is one of common equipment in resident living, is widely used on various household electrical appliances, such as air-conditioning, refrigerator, colour TV,
Micro-wave oven etc..Traditional socket only has simple plug and on/off function, it is impossible to which metering is plugged on the electrical equipment on the socket
Electricity service condition, it is impossible to monitor electricity usage situation, it is far from enough for improving Consumer's Experience.
Utility model content
Based on this, it is necessary to the electrical equipment electricity service condition, no being plugged on the socket cannot be measured for socket
The not enough technical problem of electricity usage situation, Consumer's Experience can be monitored, there is provided a kind of electric quantity-metering socket.
A kind of electric quantity-metering socket, the electric quantity-metering socket includes zero line input, live wire input, output plughole, control
Molding block, relay, current detection module, power supply driver, electric quantity metering processor.The output plughole includes the first output
Jack and the second output plughole；The control module includes radio circuit and processor of single chip computer, the radio circuit and described
Processor of single chip computer is connected；The relay includes relay switch and relay drive circuit, the relay drive circuit
First end be connected with the first output end of the processor of single chip computer, the second end and the electricity of the relay drive circuit
The first output end connection of Source drive, the first end of the relay switch is connected with the live wire input, the relay
Second end of device switch is connected with first output plughole；The input of the current detection module and the zero line input
And the connection of one of the second end of the relay switch, the output end of the current detection module inserts with the described second output
Hole connects；Two inputs of the power supply driver are connected with the zero line input and the live wire input respectively, institute
The second output end for stating power supply driver is processed with the first input end of the electric quantity metering processor and the single-chip microcomputer respectively
The first input end connection of device；Second input of the electric quantity metering processor respectively with the zero line input and the fire
Line input is connected by RC circuits, the 3rd input of the electric quantity metering processor and the zero line input and it is described after
One of second end of electric switch connects, the 4th input and the current detection module of the electric quantity metering processor
Output end connection, the output end of the electric quantity metering processor is connected with the second input of the processor of single chip computer.
Wherein in one embodiment, the relay drive circuit includes relay driving coil, diode D6, crystal
Pipe Q1, resistance R27 and resistance R28, wherein, the first end of the resistance R27 connects the first output of the processor of single chip computer
End, second end of the resistance R27 connects the base stage of the transistor Q1, and second end of the resistance R27 passes through the resistance
R28 is grounded, and the emitter stage of the transistor Q1 is used to be grounded, and the colelctor electrode of the transistor Q1 is connecting the diode D6 just
Pole, the negative pole of the diode D6 connects the first output end of the power supply driver, the relay driving coil with it is described
Diode D6 is in parallel.
Wherein in one embodiment, the control module also includes that actuating of relay time delay detects circuit, the relay
The first input end and the second input of device action delay detection circuit respectively with the second end of the relay switch and described
Zero line input is connected, and the 3rd input of the actuating of relay time delay detection circuit is defeated with the second of the power supply driver
Go out end connection, output end and the 3rd input of the processor of single chip computer of the actuating of relay time delay detection circuit connect
Connect.
Wherein in one embodiment, actuating of relay time delay detection circuit include fuse F2, rectifier bridge BD2,
Resistance R19, resistance R20, resistance R22, resistance R24, resistance R25, voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q3, photoelectrical coupler OP1, wherein,
The first input end of the rectifier bridge BD2 is connected by fuse F2 with the second end of the relay switch, the rectifier bridge
Second input of BD2 is connected with the zero line input, the first output end and the photoelectrical coupler of the rectifier bridge BD2
The first input end connection of OP1, first output end of the rectifier bridge BD2 is also by the resistance R19 and the electricity of series connection
Resistance R20 is connected with the grid of the metal-oxide-semiconductor Q3, and second output end of the rectifier bridge BD2 connects with the positive pole of the voltage-stabiliser tube ZD1
Connect, the negative pole of the voltage-stabiliser tube ZD1 is connected with the grid of the metal-oxide-semiconductor Q3, the resistance R22 is in parallel with the voltage-stabiliser tube ZD1,
Second output end of the rectifier bridge BD2 is also connected by the resistance R24 with the source electrode of the metal-oxide-semiconductor Q3, the metal-oxide-semiconductor Q3
Drain electrode be connected with second input of the photoelectrical coupler OP1, first output end of the photoelectrical coupler OP1 passes through institute
Resistance R25 is stated to be connected with the second output end of the power supply driver, first output end of the photoelectrical coupler OP1 also with institute
The 3rd input connection of processor of single chip computer is stated, second output end of the photoelectrical coupler OP1 is used to be grounded.
Wherein in one embodiment, the control module also include on-off circuit, the first end of the on-off circuit with
The second output end connection of the power supply driver, the second end of the on-off circuit is defeated with the 4th of the processor of single chip computer the
Enter end connection.
Wherein in one embodiment, the on-off circuit includes external key.
Wherein in one embodiment, the control module also include indicating circuit, the first end of the indicating circuit with
The second output end connection of the power supply driver, the second end of the indicating circuit is defeated with the second of the processor of single chip computer
Go out end connection.
Wherein in one embodiment, the indicating circuit includes indicator lamp.
Wherein in one embodiment, the indicator lamp is LED.
Wherein in one embodiment, the current detection module includes resistance RCS.
The civil power of access is converted to direct current and is supplied to relay driving by above-mentioned electric quantity-metering socket, power supply driver
Circuit, electric quantity metering processor and control module, by the electric current of electric quantity metering processor measurement stream overcurrent detection module, survey
The electric current for flowing into output plughole is measured, the electricity between zero line input and live wire input is measured by electric quantity metering processor
Pressure, measures line voltage, and the current data and voltage data that will be measured are exported to the processor of single chip computer of control module, leads to
Processor of single chip computer treatment is crossed, it can be deduced that the use electricity of electric quantity-metering socket, power, power factor (PF), by control module
In radio circuit, can be shown in terminal remote by the data is activation after treatment to terminal.By by the monolithic of control module
The output end of machine processor is connected with the first end of relay drive circuit, can by the ON/OFF of Single-chip Controlling relay,
Relay switch is closed in Preset Time, zero point conducting of the relay in exchange is realized, so that the service life of relay is prolonged
It is long.
Brief description of the drawings
Figure 1A is the circuit module schematic diagram of electric quantity-metering socket in one embodiment；
Figure 1B is the circuit module schematic diagram of electric quantity-metering socket in another embodiment；
Fig. 2 is the input and output schematic diagram of the electric quantity-metering socket of an embodiment；
Fig. 3 is the electrical block diagram of the electric quantity metering processor of an embodiment；
Fig. 4 is the electrical block diagram of the relay drive circuit of an embodiment；
Fig. 5 is the electrical block diagram of the actuating of relay time delay detection circuit of an embodiment；
Fig. 6 is the electrical block diagram of the on-off circuit of an embodiment；
Fig. 7 is the electrical block diagram of the indicating circuit of an embodiment；
Fig. 8 is the electrical block diagram of the power supply driver of an embodiment；
Fig. 9 is the electrical block diagram of an embodiment processor of single chip computer.
Specific embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area
Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model does not receive following public affairs
The limitation of the specific embodiment opened.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
Figure 1A and Figure 1B is referred to, it is the circuit module schematic diagram of electric quantity-metering socket in one embodiment.The electricity
Metering socket 10 includes zero line input (N), live wire input (L), output plughole, control module, relay, current detecting mould
Block, power supply driver, electric quantity metering processor.
Zero line input (N) and live wire input (L) are used to be connected to access civil power with mains electricity input end.Power supply driver
For the civil power that zero line input (N) and live wire input (L) are accessed to be converted into direct current and from the first of power supply driver
The second output end output of output end and power supply driver.For example, the first output end output voltage 12V of power supply driver, electricity
Second output end output voltage 3.3V of Source drive.
Control module includes radio circuit and processor of single chip computer, and radio circuit and processor of single chip computer are connected, radio frequency electrical
Road is used to receive and send data, and processor of single chip computer is used to receive and processing data.
Output plughole includes the first output plughole and the second output plughole.Relay includes that relay switch and relay drive
Dynamic circuit, relay drive circuit is used for the ON/OFF of control relay switch, first end and the control mould of relay drive circuit
The first output end connection of the processor of single chip computer of block, the second end of relay drive circuit and the first output of power supply driver
End connection, the first end of relay switch is connected with live wire input (L), the second end and first output plughole of relay switch
Connection.
One of the input of current detection module and second end of zero line input (N) and relay switch are connected,
I.e. the input of current detection module is connected with the second end selection of zero line input (N) or relay switch, current detecting mould
The output end of block is connected with the second output plughole, and specifically, the input of current detection module is connected with zero line input (N),
The output end of current detection module is connected with the second output plughole, as shown in Figure 1A.The input and relay of current detection module
The second end connection of device switch, the output end of current detection module is connected with the second output plughole, as shown in Figure 1B.
Two inputs of power supply driver are connected with zero line input (N) and live wire input (L) respectively, power drives
Second output end of device is respectively with the first of the first input end of electric quantity metering processor and the processor of single chip computer of control module
Input is connected；
Second input of electric quantity metering processor is respectively with zero line input (N) and live wire input (L) by RC electricity
Road connects, and electric quantity metering processor is used to measure line voltage；3rd input of electric quantity metering processor and zero line input
(N) and relay switch the connection of one of the second end, i.e. the 3rd input of electric quantity metering processor and zero line input
(N) or relay switch the selection connection of the second end, the 4th input of electric quantity metering processor exports with current detection module
End connection, specifically, the 3rd input of electric quantity metering processor is connected with zero line input (N), electric quantity metering processor
4th input is connected with the output end of current detection module, as shown in Figure 1A, the 3rd input of electric quantity metering processor with
The second end connection of relay switch, the 4th input of electric quantity metering processor is connected with the output end of current detection module,
As shown in Figure 1B, electric quantity metering processor is used to measure the electric current for flowing into output plughole；The output end of electric quantity metering processor with
The second input connection of the processor of single chip computer of control module, electric quantity metering processor is used for the line voltage and stream that will be measured
The current data for entering output plughole is exported to the processor of single chip computer of control module.
The civil power of access is converted to direct current and is supplied to relay driving by above-mentioned electric quantity-metering socket, power supply driver
Circuit, electric quantity metering processor and control module, by the electric current of electric quantity metering processor measurement stream overcurrent detection module, survey
The electric current for flowing into output plughole is measured, the electricity between zero line input and live wire input is measured by electric quantity metering processor
Pressure, measures line voltage, and the current data and voltage data that will be measured are exported to the processor of single chip computer of control module, leads to
Processor of single chip computer treatment is crossed, it can be deduced that the use electricity of electric quantity-metering socket, power, power factor (PF), by control module
In radio circuit, can be shown in terminal remote by the data is activation after treatment to terminal.By by the monolithic of control module
The output end of machine processor is connected with the first end of relay drive circuit, can by the ON/OFF of Single-chip Controlling relay,
Relay switch is closed in Preset Time, zero point conducting of the relay in exchange is realized, so that the service life of relay is prolonged
It is long.
For example, referring to Fig. 2, it is the input and output schematic diagram of the electric quantity-metering socket of an embodiment.For example, electric current is examined
Surveying module includes resistance RCS.For example, live wire input (L) is connected with the first end of relay switch SW1B, relay switch
The first output plughole O1 of the second end L1 and output plughole Outlet of SW1B is connected, and zero line input (N) is defeated with resistance RCS
Enter end connection, the second output plughole O2 of the output end N1 and output plughole Outlet of resistance RCS is connected.
For example, referring to Fig. 3, it is the electrical block diagram of the power supply driver of an embodiment.Power supply driver device
Including piezo-resistance MOV1, fuse F1, diode DB1, inductance L1, resistance R1, electrolysis CE1, electrolysis CE2, chip U1, resistance
R4A, resistance R4B, resistance Rs1, resistance Rs2, electric capacity CD1, resistance RD1, diode D1, electric capacity C1, transformer T1, diode
D2, resistance R5, resistance R6, diode D3, resistance R7, diode D4, electric capacity CE5, resistance R8, electric capacity CE3, electric capacity CE4, two poles
Pipe D5 and linear voltage regulator IC3.Wherein, chip U1 has 8 pins.
Piezo-resistance MOV1 two ends are connected with zero line input (N) and live wire input (L) respectively.Diode DB1 is just
Pole is connected by fuse F1 with live wire input (L), the electricity in parallel that negative pole and inductance L1 and the resistance R1 of diode DB1 are constituted
The first end connection on road, the two ends of the parallel circuit of inductance L1 and resistance R1 composition one end respectively with electrolysis CE1 and electrolysis CE2
One end connection, be electrolysed CE1 the other end and electrolysis CE2 the other end be used for be grounded.Inductance L1, resistance R1, electrolysis CE1 and electricity
Solution CE2 composition pi type filters, pi type filter is used to reduce ripple voltage, consumes ripple energy.Inductance L1 and resistance R1 is constituted
The second end pin 5 also respectively with chip U1 of parallel circuit, pin 6, pin 7 and pin 8 be connected.Inductance L1 and resistance R1
Second end of the parallel circuit of composition is also connected with a high voltage HV.Second end of the parallel circuit of inductance L1 and resistance R1 compositions is also
The first end of the series circuit constituted with resistance R4A and resistance R4B is connected.Second end of resistance R4A and resistance R4B series circuits
It is connected with the pin 1 of U1, the second end of resistance R4A and resistance R4B series circuits is also by the second of electric capacity C1 and transformer T1
Input 2 is connected.Second end of resistance R4A and resistance R4B series circuits is also connected by resistance R5 with the negative pole of diode D2,
The positive pole of diode D2 is connected with second output end 4 of transformer T1.The pin 4 of chip U1 is by resistance Rs1's and resistance Rs2
Parallel circuit is connected with second input 2 of transformer T1, and the pin 2 of chip U2 is connected with second input 2 of transformer T1.
Negative pole of the pin 2 of chip U1 also with diode D1 is connected, the plus earth of diode D1.Electric capacity CD1 and resistance RD1 compositions
Series circuit is in parallel with diode D1.The first input end 1 of transformer T1 is used to be grounded.Second output end 4 of transformer T1 with
First output end S1 of power supply driver is connected and is exported first voltage V1, for example, first voltage V1 is 12V.Transformer T1's
Second output end 4 is also grounded by the parallel circuit of electric capacity CE5 and resistance R8.First output end 3 of transformer T1 passes through resistance
R6 is connected with the positive pole of diode D3, and the negative pole of diode D3 is connected with the 3rd end 3 of linear voltage stabilization pipe IC3.Diode D3's
Negative pole of the negative pole also with diode D4 is connected, and the positive pole of diode D4 is connected by resistance R7 with the second output end 4 of transformer.
3rd end 3 of linear voltage stabilization pipe IC3 is grounded by electric capacity CE3, and the 3rd end 3 of linear voltage stabilization pipe IC3 is also negative with diode D5
Pole connects, and the positive pole of diode D5 is connected with second end 2 of linear voltage stabilization pipe IC3, the second end 2 and the electricity of linear voltage stabilization pipe IC3
Second output end S2 of Source drive is connected and is exported second voltage V2.For example, second voltage V2 is 3.3V.Linear voltage stabilization pipe
Second end 2 of IC3 is also grounded by electric capacity CE4.The first end 1 of linear voltage stabilization pipe IC3 is used to be grounded.
Above-mentioned power supply driver, direct current is converted to and by the first output end S1 and the second output end by mains electricity
S2 exports first voltage V1 and second voltage V2 respectively, and first voltage V1 is exported to relay drive circuit, and second voltage V2 is defeated
Go out to electric quantity metering processor and control module.
For example, referring to Fig. 4, it is the electrical block diagram of the relay drive circuit of an embodiment.Relay drives
Dynamic circuit includes relay driving coil SW1A, diode D6, transistor Q1, resistance R27 and resistance R28.Wherein, resistance R27
First end connect processor of single chip computer the first output end (Relay).For example, the first output end of processor of single chip computer
(Relay) turn on transistor Q1 for exporting low-voltage to relay drive circuit.For example, output low-voltage is 3.3V.Electricity
The second end for hindering R27 connects the base stage of transistor Q1, and second end of resistance R27 is also grounded by resistance R28, the hair of transistor Q1
Emitter-base bandgap grading is used to be grounded, the positive pole of the colelctor electrode connection diode D6 of transistor Q1, the negative pole connection power supply driver of diode D6
The first output end S1.Relay driving coil SW1A is in parallel with diode D6.
Above-mentioned relay drive circuit, when first output end (Relay) of processor of single chip computer exports low-voltage to relay
Device drive circuit make transistor Q1 turn on, the first output end S1 output HIGH voltages of power supply driver to relay drive circuit,
It is grounded after electric current flowing through coil SW1A, the transistor Q1 of generation, coil SW1A is produced magnetic field, closes relay switch SW1B
Close.
For example, control module also includes that actuating of relay time delay detects circuit, the of actuating of relay time delay detection circuit
One input and the second input are connected with the second end L1 and zero line input (N) of relay switch respectively, the actuating of relay
3rd input of time delay detection circuit is connected with the second output end S2 of power supply driver, actuating of relay time delay detection circuit
Output end be connected with the 3rd input (Action) of processor of single chip computer.Actuating of relay time delay detection circuit is used to measure
Time needed for processor of single chip computer control relay switch closure.
For example, referring to Fig. 5, it is the electrical block diagram of the actuating of relay time delay detection circuit of an embodiment.
The actuating of relay time delay detection circuit include fuse F2, rectifier bridge BD2, resistance R19, resistance R20, resistance R22, resistance R24,
Resistance R25, voltage-stabiliser tube ZD1, metal-oxide-semiconductor Q3, photoelectrical coupler OP1.Wherein, the first input end 2 of rectifier bridge BD2 passes through fuse
F2 is connected with the second end L1 of relay switch, and second input 4 of rectifier bridge BD2 is connected with zero line input (N).Rectifier bridge
BD2 is used to make alternating current be converted to direct current.First output end 1 of rectifier bridge BD2 and the first input end of photoelectrical coupler OP1
Connection, first output end 1 of rectifier bridge BD2 is connected by resistance R19 and resistance R20 with the grid of metal-oxide-semiconductor Q3, rectifier bridge BD2
The second output end 3 be connected with the positive pole of voltage-stabiliser tube ZD1, the negative pole of voltage-stabiliser tube ZD1 is connected with the grid of metal-oxide-semiconductor Q3, resistance R22
In parallel with voltage-stabiliser tube ZD1, second output end 3 of rectifier bridge BD2 is also connected by resistance R24 with the source electrode of metal-oxide-semiconductor Q3, metal-oxide-semiconductor
The drain electrode of Q3 is connected with second input of photoelectrical coupler OP1, and first output end of photoelectrical coupler OP1 passes through resistance R25
It is connected with the second output end S2 of power supply driver.First output end of photoelectrical coupler OP1 is also with the of processor of single chip computer
Three inputs (Action) are connected, and second output end of photoelectrical coupler OP1 is used to be grounded.
Above-mentioned actuating of relay time delay detects circuit, does not have control source in the input of actuating of relay time delay detection
When, photoelectrical coupler is not driven, and the second output end S2 for being powered by a power supply device outputs voltage signal to processor of single chip computer.
When the first output end (Relay) output voltage of processor of single chip computer is to relay drive circuit, processor of single chip computer starts
Timing, while relay drive circuit is started working, makes relay switch realize closure by certain hour, makes the actuating of relay
The first input end and the second input of time delay detection circuit have control source, and alternating current is by fuse F2 and rectifier bridge BD2
Become direct current, DC supply input to photoelectrical coupler OP1 simultaneously drives photoelectrical coupler OP1, and photoelectrical coupler OP1 is driven
Afterwards, the triode inside photoelectrical coupler is presented short circuit, now from second output end and photoelectrical coupler OP1 of power supply driver
The all no voltage signal of the first output end export to the 3rd input (Action) of processor of single chip computer, processor of single chip computer
The voltage signal for receiving changes, and processor of single chip computer stops timing, calculates from the warp for starting timing to stopping timing
The time for crossing, the time needed for obtaining processor of single chip computer control relay switch closure, i.e. actuating of relay delay time.It is logical
Time needed for crossing measurement processor of single chip computer control relay switch closure, relay switch closure can be accurately set
At time point, realize that relay is turned in zero point.
For example, control module also includes on-off circuit, the first end of on-off circuit and the second output end of power supply driver
S2 is connected, and the second end of on-off circuit is connected with the 4th input (Key) of processor of single chip computer.On-off circuit be used for control after
The reset of the ON/OFF of electrical equipment, the network configuration of wireless module and electric quantity-metering socket.For example, on-off circuit includes external key.
For example, referring to Fig. 6, it is the electrical block diagram of the on-off circuit of an embodiment.On-off circuit includes electricity
Resistance R29, external key SW2.Wherein, the first end of resistance R29 is connected with the second output end of power supply driver.For example, power supply
The voltage of the second output end output 3.3V of driver is to on-off circuit.The of second end of resistance R29 and processor of single chip computer
Four inputs (Key) are connected.The one end of second end of resistance R29 also with an external key SW2 is connected, and external key SW2's is another
One end is grounded.
Said switching circuit, when pressing external key and continuing the first preset duration, the first signal of output to single-chip microcomputer
Processor, the ON/OFF for switching processor of single chip computer control relay.When pressing external key and continue the second Preset Time
When, output secondary signal makes electric quantity-metering socket internal reset to processor of single chip computer, reconfigures network, detection relay
The action delay time.
For example, control module also includes indicating circuit, the first end of indicating circuit and the second output end of power supply driver
Connection, the second end of indicating circuit is connected with the second output end of processor of single chip computer, and indicating circuit is used to show that relay is opened
The open/close state of pass and the network configuration cases of wireless module.For example, indicating circuit includes indicator lamp.For example, indicator lamp is
LED.
For example, referring to Fig. 7, it is the electrical block diagram of the indicating circuit of an embodiment.Indicating circuit includes electricity
Resistance R26, LED 1.Wherein, the first end of resistance R26 is connected with the second output end S2 of power supply driver.For example,
The output voltage of the second output end S2 of power supply driver is 3.3V.Second end of resistance R26 connects with the positive pole of indicator lamp LED
Connect, the negative pole of LED is connected with second output end (Light) of processor of single chip computer.
Above-mentioned indicating circuit, when wireless module normal operation and relay switch are closed, the second of processor of single chip computer
Output end export low level signal to indicating circuit, diode (LED) 1 is turned on and is lighted, when wireless module operation it is abnormal or
When relay switch disconnects, the second output end of processor of single chip computer exports high level signal to indicating circuit, makes diode
LED1 ends and does not light.
For example, referring to Fig. 8, it is the electrical block diagram of the electric quantity metering processor of an embodiment.Electric quantity metering
Processor includes chip U2.Wherein, chip includes 24 pins.The pin 4 of chip U2 passes through resistance R17 and current detection module
Output end N1 connections, the pin 4 of chip U2 is also grounded by electric capacity C13.The pin 5 of chip U2 passes through resistance R18 and zero line
Input (N), i.e. current detection module input are connected, and the pin 5 of chip U2 is also grounded by electric capacity C14.By by pin 5
And pin 4 connects current detection module input and output end respectively, the electric current for flowing into output plughole is measured.
The pin 8 of chip U2 passes through resistance R14A, resistance R14B, resistance R14C, resistance R14D, resistance R14E, resistance
R14F is connected with live wire input (L), and the pin 8 of chip U2 is connected by resistance R15 with zero line input (N), zero line input
End N ground connection, the pin 8 of chip U2 is also grounded by electric capacity C11.By the way that pin 8 is defeated with live wire input (L) and zero line respectively
Enter end (N) connection, measure line voltage.
The pin 13 and pin 14 of chip U2 as electric quantity metering processor output end respectively with processor of single chip computer
Second input (RN-RX and RN-TX) is connected, the pin 22 of chip U2 also with the second input (RN- of processor of single chip computer
IRQ) connect, for the voltage and current data transfer that will measure to processor of single chip computer.
The pin 1 and pin 2 of chip U2 are connected by resistance R10 with the second output end S2 of power supply driver.Chip U2
Pin 1 and pin 2 be also grounded by the parallel circuit of electric capacity C7 and electric capacity C8.The pin 9 of chip passes through resistance R16 and electric capacity
The parallel circuit ground connection of C12 compositions.The pin 10 of chip U2 is grounded by the parallel circuit that electric capacity C5 and electric capacity C6 is constituted.Chip
The pin 11 of U2 is used to be grounded.The pin 12 of chip U2 is grounded by resistance R9.The pin 15 of chip is by resistance R11 and numeral
Ground connection.The pin 16 of chip U2 is connected by resistance R12 with the second output end S2 of power supply driver.The pin 17 of chip U2
Be digitally connected, the pin 18 of chip U2 is connected with the second output end S2 of power supply driver, the pin 17 of chip U2 and draws
The two ends of the parallel circuit that pin 18 is also constituted with C9 and C10 respectively are connected.The pin 19 and pin 20 of chip U2 are respectively by electricity
Hold and C3 and electric capacity C4 and be digitally connected, the two ends of 19 grades of pins 20 of pin of chip U2 also respectively with crystal oscillator Y1 are connected.Chip
The pin 22 of U2 is connected with the pin 1 of processor of single chip computer.
For example, referring to Fig. 9, it is the electrical block diagram of an embodiment processor of single chip computer.Processor of single chip computer
There are 16 pins.Wherein, the pin 8 of processor of single chip computer is first input end, the pin 8 and power drives of processor of single chip computer
The second output end S2 connections of device, the pin 8 of processor of single chip computer also with electric capacity C15 and one end of the parallel circuit of electric capacity C16
Connection, the other end of the parallel circuit of electric capacity C15 and electric capacity C16 is used to be grounded.The pin 9 of processor of single chip computer is used to be grounded.
The pin 1 (RN-IRQ) of processor of single chip computer, pin 6 (RN-RX) and pin 7 (RN-TX) are the second input, single-chip microcomputer treatment
The pin 1 of device, pin 6 and pin 7 are connected with the output end of electric quantity metering processor.The pin 10 of processor of single chip computer is the 3rd
Input (Action), the pin 10 of single-chip microcomputer is connected with the output end of actuating of relay time delay detection circuit.Single-chip microcomputer treatment
The pin 3 of device is the 4th input (Key), and the pin 3 of processor of single chip computer is connected with the second end of on-off circuit.At single-chip microcomputer
The pin 5 for managing device is the first output end (Relay), and the pin 5 of processor of single chip computer connects with the first end of relay drive circuit
Connect.The pin 4 of processor of single chip computer is the second output end (Light), the pin 4 of processor of single chip computer and the second of indicating circuit
End connection.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of electric quantity-metering socket, it is characterised in that including zero line input, live wire input, output plughole, control mould
Block, relay, current detection module, power supply driver, electric quantity metering processor；
The output plughole includes the first output plughole and the second output plughole；
The control module includes radio circuit and processor of single chip computer, and the radio circuit and the processor of single chip computer connect
Connect；
The relay include relay switch and relay drive circuit, the first end of the relay drive circuit with it is described
The first output end connection of processor of single chip computer, the second end of the relay drive circuit and the first of the power supply driver
Output end is connected, and the first end of the relay switch is connected with the live wire input, the second end of the relay switch
It is connected with first output plughole；
One of the input of the current detection module and second end of the zero line input and the relay switch
Connection, the output end of the current detection module is connected with second output plughole；
Two inputs of the power supply driver are connected with the zero line input and the live wire input respectively, the electricity
Second output end of Source drive respectively with the first input end of the electric quantity metering processor and the processor of single chip computer
First input end is connected；
Second input of the electric quantity metering processor is defeated with the zero line input and the live wire respectively by RC circuits
Enter end connection, the second of the 3rd input of the electric quantity metering processor and the zero line input and the relay switch
One of them connection of end, the 4th input of the electric quantity metering processor is connected with the output end of the current detection module,
The output end of the electric quantity metering processor is connected with the second input of the processor of single chip computer.
2. electric quantity-metering socket according to claim 1, it is characterised in that the relay drive circuit includes relay
Driving coil, diode D6, transistor Q1, resistance R27 and resistance R28, wherein：
The first end of the resistance R27 connects the first output end of the processor of single chip computer, and second end of the resistance R27 connects
The base stage of the transistor Q1 is connect, second end of the resistance R27 is also grounded by the resistance R28, the transistor Q1's
Emitter stage is used to be grounded, and the colelctor electrode of the transistor Q1 connects the positive pole of the diode D6, the negative pole of the diode D6
The first output end of the power supply driver is connected, the relay driving coil is in parallel with the diode D6.
3. electric quantity-metering socket according to claim 1, it is characterised in that the control module also includes the actuating of relay
Time delay detects circuit, the first input end and the second input of actuating of relay time delay detection circuit respectively with the relay
Second end of device switch and zero line input connection, the 3rd input of the actuating of relay time delay detection circuit and institute
The second output end connection of power supply driver is stated, at the output end of actuating of relay time delay detection circuit and the single-chip microcomputer
Manage the 3rd input connection of device.
4. electric quantity-metering socket according to claim 3, it is characterised in that the actuating of relay time delay detects circuit bag
Include fuse F2, rectifier bridge BD2, resistance R19, resistance R20, resistance R22, resistance R24, resistance R25, voltage-stabiliser tube ZD1, metal-oxide-semiconductor
Q3, photoelectrical coupler OP1, wherein：
The first input end of the rectifier bridge BD2 is connected by fuse F2 with the second end of the relay switch, described whole
Second input of stream bridge BD2 is connected with the zero line input, first output end of the rectifier bridge BD2 and the smooth thermocouple
The first input end connection of clutch OP1, first output end of the rectifier bridge BD2 is also by the resistance R19 for connecting and institute
State resistance R20 to be connected with the grid of the metal-oxide-semiconductor Q3, second output end of the rectifier bridge BD2 is with the voltage-stabiliser tube ZD1 just
Pole connects, and the negative pole of the voltage-stabiliser tube ZD1 is connected with the grid of the metal-oxide-semiconductor Q3, the resistance R22 and voltage-stabiliser tube ZD1
Parallel connection, second output end of the rectifier bridge BD2 is also connected by the resistance R24 with the source electrode of the metal-oxide-semiconductor Q3, described
The drain electrode of metal-oxide-semiconductor Q3 is connected with second input of the photoelectrical coupler OP1, first output of the photoelectrical coupler OP1
End is connected by the resistance R25 with the second output end of the power supply driver, first output of the photoelectrical coupler OP1
End is also connected with the 3rd input of the processor of single chip computer, and second output end of the photoelectrical coupler OP1 is used to be grounded.
5. electric quantity-metering socket according to claim 1, it is characterised in that the control module also includes on-off circuit,
The first end of the on-off circuit is connected with the second output end of the power supply driver, the second end of the on-off circuit and institute
State the 4th input connection of processor of single chip computer.
6. electric quantity-metering socket according to claim 5, it is characterised in that the on-off circuit includes external key.
7. electric quantity-metering socket according to claim 1, it is characterised in that the control module also includes indicating circuit,
The first end of the indicating circuit is connected with the second output end of the power supply driver, the second end of the indicating circuit and institute
State the second output end connection of processor of single chip computer.
8. electric quantity-metering socket according to claim 7, it is characterised in that the indicating circuit includes indicator lamp.
9. electric quantity-metering socket according to claim 8, it is characterised in that the indicator lamp is LED.
10. electric quantity-metering socket according to claim 1, it is characterised in that the current detection module includes resistance
RCS。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424992.1U CN206313227U (en) | 2016-12-22 | 2016-12-22 | Electric quantity-metering socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621424992.1U CN206313227U (en) | 2016-12-22 | 2016-12-22 | Electric quantity-metering socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206313227U true CN206313227U (en) | 2017-07-07 |
Family
ID=59245873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621424992.1U Expired - Fee Related CN206313227U (en) | 2016-12-22 | 2016-12-22 | Electric quantity-metering socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206313227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505376A (en) * | 2016-12-22 | 2017-03-15 | 惠州Tcl照明电器有限公司 | Electric quantity-metering socket |
| CN111175550A (en) * | 2020-03-17 | 2020-05-19 | 南京瀚沃生物科技有限公司 | Self-checking device for running energy consumption of anesthesia machine |
-
2016
- 2016-12-22 CN CN201621424992.1U patent/CN206313227U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505376A (en) * | 2016-12-22 | 2017-03-15 | 惠州Tcl照明电器有限公司 | Electric quantity-metering socket |
| CN111175550A (en) * | 2020-03-17 | 2020-05-19 | 南京瀚沃生物科技有限公司 | Self-checking device for running energy consumption of anesthesia machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181207 Address after: 516000 No. 72 Huifeng 4th Road, Zhongkai High-tech Zone, Huizhou City, Guangdong Province (Factory Building) Co-patentee after: Huarui photoelectric (Huizhou) Co. Ltd. Patentee after: TCL Huarui Lighting Technology (Huizhou) Co., Ltd. Address before: 516006 No. 26, No. 3 Zhongkai Avenue, Huizhou City, Guangdong Province Patentee before: Huizhou TCL Lighting Appliance Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20201222 |