CN203825412U - Energy-saving terminal block control circuit based on single-chip microcomputer - Google Patents
Energy-saving terminal block control circuit based on single-chip microcomputer Download PDFInfo
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- CN203825412U CN203825412U CN201420175850.0U CN201420175850U CN203825412U CN 203825412 U CN203825412 U CN 203825412U CN 201420175850 U CN201420175850 U CN 201420175850U CN 203825412 U CN203825412 U CN 203825412U
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- 238000004134 energy conservation Methods 0.000 claims description 17
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 3
- 206010014357 Electric shock Diseases 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 206010014405 Electrocution Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Abstract
The utility model discloses an energy-saving terminal block control circuit based on a single-chip microcomputer. The energy-saving terminal block control circuit comprises an AC-DC conversion circuit, an infrared detection circuit, a current acquisition circuit, a single-chip microcomputer, and a relay. The two input ends of the AC-DC conversion circuit are connected with a line L and a line N of AC power, respectively. The output end of the AC-DC conversion circuit is connected with the relay and the single-chip microcomputer. The current acquisition circuit is connected in parallel with the line L on the two ends of the single-pole relay. The signal output end of the current acquisition circuit is connected with the single-chip microcomputer. The infrared detection circuit is installed on the housing of a terminal block. The signal output end of the infrared detection circuit is connected with the single-chip microcomputer. The energy-saving terminal block control circuit based on a single-chip microcomputer may detect the electricity using state of an electric appliance connected with the terminal block in real time and timely and automatically power off the electric appliance in order to prevent a waste of electric energy. Further, when a user contacts the terminal block at short distance, the control circuit may automatically cut off total power in order to prevent human from suffering from electric shock by accident.
Description
Technical field
The utility model relates to a kind of socket control circuit, particularly relates to a kind of SCM Based energy-conservation socket control circuit.
Background technology
Along with the fast development of electronic technology, electronic product is dissolved into different social sectors fast, and especially household electrical appliance have poured in our daily life fast, and this just means that we are more and more important to electric demand.Under the overall situation of energy-saving and emission-reduction, control electrical appliance waste electric energy and become particularly important.Especially when electrical equipment quits work, attaching plug is not extracted the loss that socket causes electric energy in time.
The waste of energy causing the in the situation that of at present still connecting power supply for electrical equipment when not working, mainly adopts with the following method: hand switch is installed on plate, by hand switch, is carried out deenergization, avoid the loss of electric energy, but that this mode uses is more loaded down with trivial details; Adopt wireless WIFI smart jack, by mobile phone WIFI, realize the real-time control to power supply, but have certain requirement to realizing environment and cost, have the defects such as environmental requirement is high, cost is large.
In view of this, the inventor studies this, develops specially a kind of SCM Based energy-conservation socket control circuit, and this case produces thus.
Utility model content
The purpose of this utility model is to provide a kind of SCM Based energy-conservation socket control circuit, can effectively control the waste of electric energy; Increase infrared electrocution-proof protection function simultaneously, avoided the generation of accidental shock event.
To achieve these goals, solution of the present utility model is:
A kind of SCM Based energy-conservation socket control circuit, comprise AC-DC change-over circuit, infrared circuit, current collection circuit, single-chip microcomputer and relay, two input ends of described AC-DC change-over circuit are connected with N line with the L line of alternating current respectively, output terminal is connected with single-chip microcomputer with relay respectively, described relay comprises the two keys relay being arranged on alternating current L line and N line and is arranged on the hilted broadsword relay on L line, current collection circuit is connected in parallel on the L line at hilted broadsword relay two ends, for gathering the micro-electric current on L line, the signal output part of current collection circuit is connected with single-chip microcomputer, described infrared circuit is arranged on
socket shell place, its signal output part is connected with single-chip microcomputer.
As preferably, above-mentioned single-chip microcomputer adopts AVR single-chip microcomputer, and specifically can select model is the single-chip microcomputer of ATMEGA16A.The inner integrated analog-digital conversion function of AVR single-chip microcomputer, the digital signal that the simulating signal conversion collecting can be processed for single-chip microcomputer.
As preferably, above-mentioned AC-DC change-over circuit comprises connected successively filtering circuit, rectification circuit and mu balanced circuit, the alternating current of 220V after filtering, be rectified into low-voltage DC, then the power supply of 12V is provided for two keys relay, hilted broadsword relay on the one hand after mu balanced circuit voltage stabilizing, the power supply of 5V is provided for single-chip microcomputer on the other hand.
As preferably, above-mentioned current collection circuit comprises the first electric capacity, the first resistance, the first diode that is connected in parallel on hilted broadsword relay two ends, and the triode, inductance, the second electric capacity and the second diode that are connected to hilted broadsword Control end, micro-electric current of current collection circuit Real-time Collection L line, then sends to single-chip microcomputer to process collection signal.
As preferably, above-mentioned infrared circuit comprises by the 3rd resistance, the amplifier peripheral circuit that light emitting diode and the 3rd electric capacity form, the infrared transmitting circuit being formed by the 4th resistance and infrared-emitting diode, the infrared receiving circuit being formed by the second resistance and infrared receiving diode, and operational amplifier, wherein, infrared transmitting circuit and infrared receiving circuit one end ground connection, another termination 5V power supply, the input end in the same way of operational amplifier is connected between the second resistance and infrared receiving diode, peripheral circuit is connected to output terminal and the power end of amplifier, for the signal of infrared receiving circuit is amplified and is processed, when human body is during near infrared circuit, will affect its output voltage, be that human body and receiving circuit are when nearer, output voltage is just higher.Infrared circuit sends to single-chip microcomputer by detection signal, by single-chip microcomputer, this voltage signal is compared, and finally by cut-offfing of Single-chip Controlling two keys relay, realizes electrocution-proof protection function.
Above-mentioned SCM Based energy-conservation socket control circuit principle of work: pass through current collection circuit, Real-Time Monitoring is by the electric current on electrical appliance circuit (being the electric current on L line), monitoring current is changed the voltage signal becoming with AVR single-chip microcomputer compatibility through Chip Microcomputer A/D, single-chip microcomputer carries out Quick to the signal collecting, when collection voltage is less than setting value, not closed hilted broadsword relay, electrical appliance is not worked; When collection voltage is greater than setting value, Single-chip Controlling hilted broadsword relay closes, electrical appliance work.Meanwhile, infrared circuit is always at monitoring state, when user plug infrared induction that socket reaches setting apart from time, single-chip microcomputer will be controlled two keys relay and disconnect, and has effectively avoided human body accidental shock.
Adopt above-mentioned SCM Based energy-conservation socket control circuit, can detect in real time the electricity consumption situation of the electrical appliance being connected in socket, automatically cut off in time electrical appliance power supply, prevent waste of energy; When user's close contact socket, control circuit can cut off general supply automatically, prevents human body accidental shock simultaneously.And described control circuit has simple easily operation, low cost and other advantages.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the SCM Based energy-conservation socket control circuit block diagram of the present embodiment;
Fig. 2 is the single chip circuit figure of the present embodiment;
Fig. 3 is the AC-DC change-over circuit figure of the present embodiment;
Fig. 4 is the current collection circuit figure of the present embodiment;
Fig. 5 is the outer testing circuit figure of the present embodiment.
Embodiment
As shown in Figure 1, a kind of SCM Based energy-conservation socket control circuit, comprise AC-DC change-over circuit 1, infrared circuit 2, current collection circuit 3, single-chip microcomputer 4 and relay, described relay comprises the two keys relay 5 being arranged on alternating current L line and N line and is arranged on the hilted broadsword relay 6 on N line, two input ends of described AC-DC change-over circuit 1 are connected with N line with the L line of alternating current respectively, output terminal respectively with two keys relay 5, hilted broadsword relay 6, single-chip microcomputer 4 is connected, current collection circuit 3 is connected in parallel on the L line at hilted broadsword relay 6 two ends, for gathering the micro-electric current on L line, the signal output part of current collection circuit 3 is connected with single-chip microcomputer 4, described infrared circuit 2 is arranged on
socket shell place, is positioned at jack 7
side,its signal output part is connected with single-chip microcomputer 4.
As shown in Figure 2, describedly state single-chip microcomputer 4 to select model be the single-chip microcomputer of ATMEGA16A, single-chip microcomputer 4 also can be selected other any a AVR single-chip microcomputers, and AVR single-chip microcomputer inside is integrated with analog-digital conversion function, the digital signal that the simulating signal conversion collecting can be processed for single-chip microcomputer.
As shown in Figure 3, described AC-DC change-over circuit 1 comprises connected successively filtering circuit, rectification circuit and mu balanced circuit, the alternating current of 220V after filtering, be rectified into the low-voltage DC of 12V and 5V, the power supply of 12V is provided for two keys relay 5, hilted broadsword relay 6 on the one hand after mu balanced circuit voltage stabilizing, the power supply of 5V is provided for single-chip microcomputer 4 on the other hand.
As shown in Figure 4, described current collection circuit 3 comprises the first capacitor C 20, the first resistance R 20, the first diode D12 that is connected in parallel on hilted broadsword relay K 1 two ends, and the triode Q1, inductance L 1, the second capacitor C 24, the second diode D8 that are connected to hilted broadsword Control end, the first capacitor C 20, the first first parallel connection of resistance R 20, then connect with the first diode D12, then be connected in parallel on K1 two ends; The collector of triode Q1 is connected with hilted broadsword relay 6, and inductance L 1 is positioned at by L line, and for responding to the electric current on L line, micro-electric current of current collection circuit 3 Real-time Collection L lines, then sends to collection signal single-chip microcomputer 4 to process.
As shown in Figure 5, above-mentioned infrared circuit comprises by the 3rd resistance R 3, the amplifier peripheral circuit that light emitting diode D3 and the 3rd capacitor C 2 form, the infrared transmitting circuit being formed by the 4th resistance R 1 and infrared-emitting diode D1, the infrared receiving circuit being formed by the second resistance R 2 and infrared receiving diode D2, and operational amplifier IC1, wherein, infrared transmitting circuit and infrared receiving circuit one end ground connection, another termination 5V power supply, the input end in the same way of operational amplifier IC1 (pin 3) is connected between the second resistance R 2 and infrared receiving diode D2, the 3rd resistance R 3 of peripheral circuit, light emitting diode D3 is connected on output terminal (pin 8) and the power end (pin one) of amplifier, the 3rd capacitor C 2 one end ground connection, the other end is connected with the output terminal (pin one) of operational amplifier IC1.Amplifier peripheral circuit being for amplifying and process the signal of infrared receiving circuit, when human body is during near infrared circuit, will affect its output voltage, and when human body and receiving circuit are nearer, output voltage is just higher.Infrared circuit sends to single-chip microcomputer 4 by detection signal, by 4 pairs of these voltage signals of single-chip microcomputer, compares, and finally by single-chip microcomputer 4, controls cut-offfing of two keys relay 5 and realizes electrocution-proof protection function.
Above-mentioned SCM Based energy-conservation socket control circuit principle of work: by current collection circuit 3, Real-Time Monitoring is by the electric current on electrical appliance circuit (being the electric current on L line), single-chip microcomputer 4A/D conversion in monitoring current footpath becomes the voltage signal with AVR single-chip microcomputer compatibility, 4 pairs of signals that collect of single-chip microcomputer carry out Quick, when collection voltage is less than setting value, not closed hilted broadsword relay 6, electrical appliance is not worked; When collection voltage is greater than setting value, single-chip microcomputer 1 is controlled hilted broadsword relay closes 6, electrical appliance work, energy-conservation socket control circuit described in employing the present embodiment, can detect in real time the electricity consumption situation of the electrical appliance being connected in socket, automatically cut off in time electrical appliance power supply, prevent waste of energy.Meanwhile, infrared circuit 2 is always at monitoring state, when user plug infrared induction that socket reaches setting apart from time, single-chip microcomputer 1 will be controlled two keys relay 5 and disconnect, and has effectively avoided human body accidental shock.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present utility model.
Claims (6)
1. a SCM Based energy-conservation socket control circuit, it is characterized in that: comprise AC-DC change-over circuit, infrared circuit, current collection circuit, single-chip microcomputer and relay, two input ends of described AC-DC change-over circuit are connected with N line with the L line of alternating current respectively, output terminal is connected with single-chip microcomputer with relay respectively, described relay comprises the two keys relay being arranged on alternating current L line and N line and is arranged on the hilted broadsword relay on L line, current collection circuit is connected in parallel on the L line at hilted broadsword relay two ends, for gathering the micro-electric current on L line, the signal output part of current collection circuit is connected with single-chip microcomputer, described infrared circuit is arranged on socket shell place, its signal output part is connected with single-chip microcomputer.
2. a kind of SCM Based energy-conservation socket control circuit as claimed in claim 1, is characterized in that: described single-chip microcomputer adopts AVR single-chip microcomputer.
3. a kind of SCM Based energy-conservation socket control circuit as claimed in claim 2, is characterized in that: it is the single-chip microcomputer of ATMEGA16A that described single-chip microcomputer is selected model.
4. a kind of SCM Based energy-conservation socket control circuit as claimed in claim 1, it is characterized in that: described AC-DC change-over circuit comprises connected successively filtering circuit, rectification circuit and mu balanced circuit, the alternating current of 220V after filtering, be rectified into low-voltage DC, then the power supply of 12V is provided for two keys relay, hilted broadsword relay on the one hand after mu balanced circuit voltage stabilizing, the power supply of 5V is provided for single-chip microcomputer on the other hand.
5. a kind of SCM Based energy-conservation socket control circuit as claimed in claim 1, it is characterized in that: described current collection circuit comprises the first electric capacity, the first resistance, the first diode that is connected in parallel on hilted broadsword relay two ends, and the triode, inductance, the second electric capacity and the second diode that are connected to hilted broadsword Control end, micro-electric current of current collection circuit Real-time Collection L line, then sends to single-chip microcomputer to process collection signal.
6. a kind of SCM Based energy-conservation socket control circuit as claimed in claim 1, it is characterized in that: described infrared circuit comprises by the 3rd resistance, the amplifier peripheral circuit that light emitting diode and the 3rd electric capacity form, the infrared transmitting circuit being formed by the 4th resistance and infrared-emitting diode, the infrared receiving circuit being formed by the second resistance and infrared receiving diode, and operational amplifier, wherein, infrared transmitting circuit and infrared receiving circuit one end ground connection, another termination 5V power supply, the input end in the same way of operational amplifier is connected between the second resistance and infrared receiving diode, peripheral circuit is connected to output terminal and the power end of amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175850.0U CN203825412U (en) | 2014-04-11 | 2014-04-11 | Energy-saving terminal block control circuit based on single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175850.0U CN203825412U (en) | 2014-04-11 | 2014-04-11 | Energy-saving terminal block control circuit based on single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825412U true CN203825412U (en) | 2014-09-10 |
Family
ID=51480890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175850.0U Expired - Fee Related CN203825412U (en) | 2014-04-11 | 2014-04-11 | Energy-saving terminal block control circuit based on single-chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825412U (en) |
-
2014
- 2014-04-11 CN CN201420175850.0U patent/CN203825412U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |