CN202421823U - Automatic control system of intelligent household power supply - Google Patents
Automatic control system of intelligent household power supply Download PDFInfo
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- CN202421823U CN202421823U CN201120479892XU CN201120479892U CN202421823U CN 202421823 U CN202421823 U CN 202421823U CN 201120479892X U CN201120479892X U CN 201120479892XU CN 201120479892 U CN201120479892 U CN 201120479892U CN 202421823 U CN202421823 U CN 202421823U
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Abstract
An automatic control system of an intelligent household power supply comprises an input power supply, a filter circuit, a power supply soft output circuit, a switch power supply switching circuit and a control circuit. The automatic control system of the intelligent household power supply is characterized by further comprising a live line identifying circuit and a zero line identifying circuit. The positive electrode input end and the negative electrode input end of the live line identifying circuit are respectively connected with the live line access end and the zero line access end of the input power supply, one path of the output end of the live line identifying circuit is connected with the first control end of the power supply soft output circuit, and the other path of the output end of the live line identifying circuit is connected with the power ground. The positive electrode input end of the zero line identifying circuit is connected with the live line access end of the input power supply, the negative electrode input end of the zero line identifying circuit is connected with the protective ground, and the output end of the zero line identifying circuit is connected with the second control end of the power supply soft output circuit. The live line identifying circuit and the zero line identifying circuit can protect safe and stable work of a power receiving system, prevent interference factors caused by dislocation of power supply lines and avoid an electric shock phenomenon caused by man-made dislocation between an L-line and an N-line when a person performs checking.
Description
Technical field
The utility model relates to a kind of Smart Home power supply automatic control system.
Background technology
Smart Home is to be platform with the dwelling house; Utilize comprehensive wiring technology, the network communications technology, Smart Home-system design scheme security precautions technology, automatic control technology, the audio frequency and video technology facility that life staying idle at home is relevant integrated; Make up the management system of dwelling house facility and family's schedule affairs efficiently; Promote household security, convenience, comfortableness, artistry, and realize the living environment of environmental protection and energy saving.
Along with the development of IT technology and network communications technology, the intelligent level of present all kinds of household products improves day by day, in order various electric equipments to be gathered unified control, just needs exploitation one cover intelligent residence system.Be to disclose the intelligent residence control system that adopts distinct methods to realize in the Chinese utility model " a kind of intelligent home control system " of ZL201120023617.7, the Chinese utility model patent " intelligent domestic system " that the patent No. is ZL201020694589.7, the Chinese invention patent " intelligent domestic system " that application number is CN201110096401.8 or the like the above-mentioned patent documentation respectively like the patent No. in the prior art, these control system utilize computer technology, network communications technology and comprehensive wiring technology etc. that the various subsystems relevant with life staying idle at home are organically combined.But; Management for power supply in the present intelligent domestic system is perfect not enough; Usually just export to follow-up application circuit behind the AC power process rectifying and wave-filtering, do not fully take into account security and reliability in the use, insert under the big electric current output situation such as mistake or generation thunderbolt just in case the alternating current source phase line takes place; Be easy to cause power supply short circuit and damage; Also casualties can take place when serious, therefore, await the powersupply system of Smart Home controlling schemes of the prior art is done further improvement.
Summary of the invention
The utility model technical matters to be solved is that a kind of easy, safety in utilization and higher Smart Home power supply automatic control system of reliability controlled is provided to above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of Smart Home power supply automatic control system includes
The input power supply includes live wire output terminal and zero line output terminal;
Filtering circuit is realized purification, filtering and current buffering to said input power supply, and the input end of this filtering circuit links to each other with said input power supply;
The soft output circuit of power supply is connected the output terminal of said filtering circuit, the electronic switch that is provided with the said whole power supply conducting of control in the soft output circuit of this power supply or closes;
The Switching Power Supply change-over circuit converts AC power into D.C. regulated power supply, and the input end of this Switching Power Supply change-over circuit links to each other with the output terminal of the soft output circuit of said power supply;
Control circuit is used to control the action of intelligent home device, and the working power of this control circuit is by soft output circuit of said power supply and/or the power supply of Switching Power Supply shifting circuit;
It is characterized in that: the soft output circuit of described power supply has the said electronic switch conducting of driving or first control end of cutting out and second control end, and described power supply automatic control system also includes and can connect live wire evaluation circuit and the zero line evaluation circuit that the soft output circuit of the said power supply of control cuts out under the opposite state in the electric phase place of said input power supply; Wherein, Said live wire identifies that the positive and negative electrode input end of circuit connects the live wire incoming end and the zero line incoming end of said input power supply respectively; This live wire identifies that the output terminal of circuit divides two-way, and one the tunnel connects first control end of the soft output circuit of said power supply, and another road connects power supply ground; Said zero line identifies that the electrode input end of circuit connects the zero line incoming end of said input power supply, and this zero line identifies that the negative input of circuit connects protection ground, and this zero line identifies that the output terminal of circuit connects second control end of the soft output circuit of said power supply.
In order to improve safety in utilization, prevent the accident of human electric shock, as preferably, described input electric power incoming line also is serially connected with an earth leakage protective device on the loop, and said input power supply obtains described live wire output terminal and zero line output terminal through the output terminal of this earth leakage protective device.
For the voltage that prevents power supply surpasses the specified ceiling voltage of electrical appliance, avoid electrical appliance to burn out, as preferably; The soft output circuit of described power supply also has the 3rd control end that drives said electronic switch conducting or cut out, and described power supply automatic control system also includes overvoltage crowbar, and the positive and negative electrode input end of this overvoltage crowbar connects the live wire output terminal and the zero line output terminal of said input power supply respectively; The output terminal of this overvoltage crowbar divides five the tunnel; The first via connects the 3rd control end of the soft output circuit of said power supply, and the second the tunnel connects power supply ground, and Third Road connects protection ground; The four tunnel coil through a relay connects power supply ground; The five tunnel normally opened contact one end through resistance and said relay links to each other, and the normally opened contact other end of this relay is connected in the live wire output terminal through said earth leakage protective device output, and; The normally opened contact of said relay is under attracting state, and the switch of said earth leakage protective device breaks off.So when the single-phase civilian power-frequency voltage of civil power appearred exceeding in the input power supply, overvoltage crowbar output one control voltage was given the 3rd control end, and then the soft output circuit of powered-down; When the normally opened contact of relay detects thunder and lightning or high pressure entering protection action at overvoltage crowbar; Relay coil gets electric with the normally opened contact adhesive; The live wire output terminal of earth leakage protective device breaks off the earth leakage protective device switch through being produced a leakage current by the normally opened contact of adhesive through resistance.
In order to improve the safety in utilization of PLC controller; Avoid of the impact of big electric current to the PLC controller; As preferably; Described control circuit includes PLC power supply holding circuit and PLC controller, and wherein, said PLC power supply holding circuit has primary power input end and control power input; The primary power input end of said PLC power supply holding circuit links to each other with the output terminal of the soft output circuit of said power supply, and the control input end of this PLC power supply holding circuit links to each other with the output terminal of said Switching Power Supply change-over circuit; Said PLC controller also has primary power input end and control power input; The output terminal of said PLC power supply holding circuit links to each other with the primary power input end of said PLC controller; The control input end of said PLC controller connects the output terminal of said Switching Power Supply change-over circuit; And said PLC controller also has one and links to each other with said PLC power supply holding circuit and control the FEEDBACK CONTROL end of the break-make of this PLC power supply holding circuit.
Compared with prior art; The advantage of the utility model is: in powersupply system, be provided with live wire and identify circuit and zero line evaluation circuit; Protection receives the stable work of electrical system safety; And the electric system that receives that guarantees the back obtains the AC/220V power frequency supply of stability and safety; The circuit erroneous action that prevention causes because of the dislocation of supply lines, and the Disturbance in Power Net and the arteries and veins that influenced by external factor to produce pulsation to cause because of zero line gush impact, the electric shock phenomenon of also having avoided human body when checking, to cause because of the artificial dislocation between the L line N line; And; The specified ceiling voltage that surpasses appliance working for the voltage that further prevents power supply; Avoid appliance working to burn out, also be provided with overvoltage crowbar in the powersupply system because of being difficult to bear high pressure, this overvoltage crowbar can prevent civil power power frequency power AC380V two mutually electricity penetrate; The high-voltage great-current that produces in the time of can also preventing to be struck by lightning penetrates electric power system through lead, has further improved the safety in utilization and the reliability of powersupply system.
Description of drawings
Fig. 1 is one of schematic block circuit diagram of the utility model embodiment.
Fig. 2 be the utility model embodiment schematic block circuit diagram two.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1, shown in Figure 2, present embodiment is a kind of power supply automatic control system of Smart Home, and this power supply automatic control system includes
Input power supply 1, this input power supply 1 is single-phase 220V AC power frequency supply, has live wire output terminal L and zero line output terminal N;
Filtering circuit 2 is realized that various flaw ripple voltage arteries and veins to said input power supply 1 gush to wait to intercept filtration, plays current buffering (damping) effect instantaneous to back level electrical appliance simultaneously again, the input end of filtering circuit 2 with import power supply 1 and link to each other;
The soft output circuit 3 of power supply is connected the output terminal of filtering circuit 2, the electronic switch that is provided with the whole power supply conducting of control in the soft output circuit 3 of power supply or closes, and under the normal operating conditions, the electronic switch of the soft output circuit 3 of power supply is conductings all the time;
Switching Power Supply change-over circuit 4 will convert D.C. regulated power supply into through filtering the filtered AC power of circuit 2 purifications, and the input end of Switching Power Supply change-over circuit 4 links to each other with the output terminal of the soft output circuit 3 of power supply;
Control circuit 5; Be used to control the action of intelligent home device; Control circuit 5 can adopt various particular circuit configurations of the prior art to realize; Power supply can alternating current or direct current or alternating current-direct current supply power jointly, the control circuit 5 in the present embodiment includes PLC power supply holding circuit 51 and PLC controller 52, the working power of control circuit 5 is supplied power with the Switching Power Supply shifting circuit by the soft output circuit 3 of power supply jointly; Wherein, PLC power supply holding circuit 51 has primary power input end and control power input; The primary power input end of PLC power supply holding circuit 51 links to each other with the output terminal of the soft output circuit 3 of power supply, and the control input end of this PLC power supply holding circuit 51 links to each other with the output terminal of Switching Power Supply change-over circuit 4; PLC controller 52 also has primary power input end and control power input; The output terminal of PLC power supply holding circuit 51 links to each other with the primary power input end of PLC controller 52; The control input end of PLC controller 52 connects the output terminal of Switching Power Supply change-over circuit 4; And PLC controller 52 also has the FEEDBACK CONTROL end 521 that links to each other with PLC power supply holding circuit 51 and control the break-make of this PLC power supply holding circuit 51.
For safety in utilization and the reliability that improves power supply; Also include live wire in this power supply control system and identify circuit 6, zero line evaluation circuit 7 and overvoltage crowbar 8; Live wire identifies that circuit 6 and zero line identify that circuit 7 can prevent to import power supply 1 phase line and connect impact and the interference to feed circuit and follow-up electrical appliance of the outside line worker frequency power that causes under the opposite state; The reliable and stable operate as normal of protection back level system; 8 of overvoltage crowbars can in time break off power supply circuit in thunderbolt or power power frequency high voltage (380V) when penetrating feed circuit, guarantee the safety of follow-up electric equipment.
Wherein, First control end 31, second control end 32 and the 3rd control end 33 that the soft output circuit 3 of power supply has control electronic switch conducting or cuts out; Live wire identifies that the positive and negative electrode input end of circuit 6 connects live wire incoming end and the zero line incoming end of importing power supply 1 respectively; Live wire identifies that the output terminal of circuit 6 divides two-way, and first control end 31 of the soft output circuit 3 of one tunnel connection power supply links to each other, and another road connects power supply ground GND; Zero line identifies that the electrode input end of circuit 7 connects the zero line incoming end of said input power supply 1, and this zero line identifies that the negative input of circuit 7 connects protection ground PE, and this zero line identifies that the output terminal of circuit 7 connects second control end 32 of the soft output circuit 3 of power supply;
The input power supply also is serially connected with an earth leakage protective device T on the 1 inlet wire loop, and input power supply 1 obtains live wire output terminal L and zero line output terminal N through the output terminal of this earth leakage protective device T; The positive and negative electrode input end of overvoltage crowbar 8 connects live wire output terminal L and the zero line output terminal N that imports power supply 1 respectively; The output terminal of overvoltage crowbar 8 divides five the tunnel; The first via connects the 3rd control end 33 of the soft output circuit 3 of power supply; When the single-phase civilian power-frequency voltage of civil power appears exceeding in input power supply 1, overvoltage crowbar 8 output one control signal voltage to the, three control ends 33 and the soft output circuit 3 of powered-down; The second the tunnel connects power supply ground GND, and Third Road connects protection ground PE, and the four tunnel coil J-1 through a relay J connects power supply ground GND; The five tunnel normally opened contact J-2 one end through a resistance R and relay J links to each other; Normally opened contact J-2 one end of one end of resistance R and relay J links to each other, another termination protection ground PE of resistance R, and the normally opened contact J-2 other end of relay J is connected in the live wire output terminal L through earth leakage protective device T output; And; When the normally opened contact J-2 of relay J detected thunder and lightning or high pressure entering at overvoltage crowbar 8, protection started, and the coil J-1 of relay gets the electrician and does normally opened contact J-2 adhesive; The output terminal L of earth leakage protective device T is through being produced a leakage current through resistance R to protection ground PE by the normally opened contact J-2 of adhesive, and the switch of earth leakage protective device T breaks off.
During operate as normal; Live wire is identified circuit 6 work; Zero line evaluation circuit 7 is not worked with overvoltage crowbar 8; Input power supply 1 is purified filtered pure single-phase city industrial-frequency alternating current through filtering circuit 2 with the soft output circuit 3 of power supply, obtains D.C. regulated power supply through Switching Power Supply change-over circuit 4 then; Have phase line to connect inverse time when importing power supply 1, live wire is identified circuit 6 disconnections, and zero line identifies that circuit 7 starts, and the electronic switch in the soft output circuit 3 of zero line evaluation circuit 7 control power supplys cuts out, and avoids the infringement of electric equipment in the meeting subsequent conditioning circuit; When input power supply 1 mains fluctuations occurred and surpasses civil power single phase industrial frequence voltage, overvoltage crowbar 8 protection actions were exported a control signal voltage and are removed to control the soft output circuit 3 of power supply, impelled soft output circuit 3 protections of power supply to close; In the high voltage place in circuit or receive when being struck by lightning; At this moment, overvoltage crowbar 8 also starts immediately, and the electronic switch in the soft output circuit 3 of control power supply cuts out; Simultaneously; The normally opened contact J-2 adhesive of overvoltage crowbar 8 pilot relay J, thus the earth leakage protective device T switch of control setting in input power supply 1 end of incoming cables breaks off, and prevents to burn subsequent conditioning circuit and electrical equipment facility because of penetrating of thunder and lightning or high-tension electricity; Both protected operating personnel's personal safety, the protection work when playing line electrical leakage again simultaneously.
Claims (4)
1. a Smart Home power supply automatic control system includes
Input power supply (1) includes live wire output terminal (L) and zero line output terminal (N);
Filtering circuit (2) is realized purification, filtering and current buffering to said input power supply (1), and the input end of this filtering circuit (2) links to each other with said input power supply (1);
The soft output circuit of power supply (3) is connected the output terminal of said filtering circuit (2), the electronic switch that is provided with the said whole power supply conducting of control in the soft output circuit of this power supply (3) or closes;
Switching Power Supply change-over circuit (4) converts AC power into D.C. regulated power supply, and the input end of this Switching Power Supply change-over circuit (4) links to each other with the output terminal of the soft output circuit of said power supply (3);
Control circuit (5) is used to control the action of intelligent home device, and the working power of this control circuit (5) is by soft output circuit of said power supply (3) and/or the power supply of Switching Power Supply shifting circuit;
It is characterized in that: the soft output circuit of described power supply (3) has the said electronic switch conducting of driving or first control end (31) of cutting out and second control end (32), and described power supply automatic control system also includes the live wire that the control soft output circuit of said power supply (3) cuts out under the opposite state that can join at the electricity of said input power supply (1) and identifies circuit (6) and zero line evaluation circuit (7); Wherein, Said live wire identifies that the positive and negative electrode input end of circuit (6) connects the live wire incoming end and the zero line incoming end of said input power supply (1) respectively; This live wire identifies that the output terminal of circuit (6) divides two-way; One the tunnel connects first control end (31) of the soft output circuit of said power supply (3), and another road connects power supply ground (GND); Said zero line identifies that the electrode input end of circuit (7) connects the zero line incoming end of said input power supply (1); This zero line identifies that the negative input of circuit (7) connects protection ground (PE), and this zero line identifies that the output terminal of circuit (7) connects second control end (32) of the soft output circuit of said power supply (3).
2. Smart Home power supply automatic control system according to claim 1 is characterized in that: described input power supply (1) also is serially connected with an earth leakage protective device (T) on the inlet wire loop.
3. Smart Home power supply automatic control system according to claim 2; It is characterized in that: the soft output circuit of described power supply (3) also has the 3rd control end (33) that drives said electronic switch conducting or cut out; Described power supply automatic control system also includes overvoltage crowbar (8); The positive and negative electrode input end of this overvoltage crowbar (8) connects the live wire output terminal (L) and the zero line output terminal (N) of said input power supply (1) respectively, and the output terminal of this overvoltage crowbar (8) divides five the tunnel, and the first via connects the 3rd control end (33) of the soft output circuit of said power supply (3); The second the tunnel connects power supply ground (GND); Third Road connects protection ground (PE), and the four tunnel coil (J-1) through a relay (J) connects power supply ground (GND), and the five tunnel normally opened contact (J-2) end through resistance and said relay (J) links to each other; Normally opened contact (J-2) other end of this relay (J) is connected in the live wire output terminal (L) through said earth leakage protective device (T) output; And the normally opened contact (J-2) of said relay (J) is under attracting state, and the switch of said earth leakage protective device (T) breaks off.
4. Smart Home power supply automatic control system according to claim 1; It is characterized in that: described control circuit (5) includes PLC power supply holding circuit (51) and PLC controller (52); Wherein, Said PLC power supply holding circuit (51) has primary power input end and control power input; The primary power input end of said PLC power supply holding circuit (51) links to each other with the output terminal of the soft output circuit of said power supply (3), and the control input end of this PLC power supply holding circuit (51) links to each other with the output terminal of said Switching Power Supply change-over circuit (4); Said PLC controller (52) also has primary power input end and control power input; The output terminal of said PLC power supply holding circuit (51) links to each other with the primary power input end of said PLC controller (52); The control input end of said PLC controller (52) connects the output terminal of said Switching Power Supply change-over circuit (4); And said PLC controller (52) also has one and links to each other with said PLC power supply holding circuit (51) and control the FEEDBACK CONTROL end of the break-make of this PLC power supply holding circuit (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120479892XU CN202421823U (en) | 2011-11-28 | 2011-11-28 | Automatic control system of intelligent household power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120479892XU CN202421823U (en) | 2011-11-28 | 2011-11-28 | Automatic control system of intelligent household power supply |
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| Publication Number | Publication Date |
|---|---|
| CN202421823U true CN202421823U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120479892XU Expired - Fee Related CN202421823U (en) | 2011-11-28 | 2011-11-28 | Automatic control system of intelligent household power supply |
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| Country | Link |
|---|---|
| CN (1) | CN202421823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647314A (en) * | 2017-02-20 | 2017-05-10 | 天津商业大学 | Intelligent household control system |
| CN107288195A (en) * | 2017-05-31 | 2017-10-24 | 厦门优胜卫厨科技有限公司 | A kind of external intelligent water toilet pan of power supply module |
-
2011
- 2011-11-28 CN CN201120479892XU patent/CN202421823U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106647314A (en) * | 2017-02-20 | 2017-05-10 | 天津商业大学 | Intelligent household control system |
| CN107288195A (en) * | 2017-05-31 | 2017-10-24 | 厦门优胜卫厨科技有限公司 | A kind of external intelligent water toilet pan of power supply module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20131128 |