CN114647211A - Single-live-zero-live self-adaptive circuit of intelligent switch panel and intelligent switch panel - Google Patents
Single-live-zero-live self-adaptive circuit of intelligent switch panel and intelligent switch panel Download PDFInfo
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- CN114647211A CN114647211A CN202210274131.3A CN202210274131A CN114647211A CN 114647211 A CN114647211 A CN 114647211A CN 202210274131 A CN202210274131 A CN 202210274131A CN 114647211 A CN114647211 A CN 114647211A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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- Automation & Control Theory (AREA)
- Electronic Switches (AREA)
Abstract
The high-breaking fuse is connected with the first relay in series, one end of each of the N load relays is connected with the high-breaking fuse, the zero-fire-single-fire intelligent detection circuit is connected with the high-breaking fuse and the MCU control circuit, the electricity taking circuit is connected with a wiring terminal L, the wiring terminal L is connected with the high-breaking fuse, the first relay is connected with a wiring terminal N/L1, the other end of each load relay is connected with a wiring terminal Ln, and the wiring terminal N/L1 and the wiring terminal Ln are connected with the electricity taking circuit. The invention can realize the self-adaptive function of zero fire-single fire, is adaptive to the wiring mode of new and old houses, has high compatibility, can effectively solve the problems of unknown relevant knowledge and difficult selection of common users, and is simple and safe to use.
Description
Technical Field
The invention relates to the field of intelligent home furnishing, in particular to a single-live-zero-live self-adaptive circuit of an intelligent switch panel and the intelligent switch panel.
Background
At present, with the gradual development of smart homes in domestic markets, more and more smart homes are introduced into thousands of households. But the intelligence flush mounting plate of common use is mostly the power supply of zero fire on the market, and this just requires that the installing port needs to possess zero fire line simultaneously in the user family, and to domestic old house, all be single fire line system wiring basically. If need install intelligent switch then need additionally draw a zero line, the operating cost is big, the difficult operation just possesses certain destructiveness. Even the newly-built house extra zero line that draws also needs to increase the wiring cost to, to the angle of general people, most do not know the technique of zero fire panel and single fire panel, select which kind of intelligent switch panel becomes a difficult and easy wrong thing, adorn the perhaps danger of causing with the single fire panel on zero fire wiring network.
Disclosure of Invention
The invention provides a single live-zero fire self-adaptive circuit of an intelligent switch panel and the intelligent switch panel, and mainly aims to overcome the problems in the prior art.
The invention is realized by adopting the following technical scheme:
the single-live-single-live self-adaptive circuit of the intelligent switch panel comprises an MCU control circuit, a high breaking fuse, a first relay, N load relays, a single-live-single-live intelligent detection circuit and a power taking circuit, wherein the high breaking fuse is connected with the first relay in series, one end of each of the N load relays is connected with the high breaking fuse, the single-live-single-live intelligent detection circuit is connected with the high breaking fuse and the MCU control circuit, the power taking circuit is connected with a wiring terminal L, the wiring terminal L is connected with the high breaking fuse, the first relay is connected with a wiring terminal N/L1, the other end of each load relay is connected with a wiring terminal Ln, and the wiring terminal N/L1 and the wiring terminal Ln are connected with the power taking circuit.
Further, the device also comprises an MOS tube and an MOS tube switch control circuit, wherein the MOS tube is arranged on a trunk circuit connected with the binding post L and the high breaking fuse, and the MOS tube switch control circuit is connected with the MOS tube and the MCU control circuit.
Furthermore, the device also comprises a zero-crossing detection circuit, and the zero-crossing detection circuit is connected with the MOS tube and the MCU control circuit.
Furthermore, the device also comprises a voltage monitoring circuit which is connected with the power taking circuit and the MCU control circuit.
Furthermore, the device also comprises an isolation circuit which is connected with the power taking circuit, the wiring post N/L1 and the wiring post Ln.
Further, the first relay and the load relay both adopt magnetic latching relays.
An intelligent switch panel, which adopts the single live-zero live self-adapting circuit of the intelligent switch panel as claimed in any one of claims 1 to 7.
As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages: when the terminal N/L1 is connected with a load, the terminal N/L1 is used as a load interface configured by a single fire, when the terminal N/L1 is connected with a zero line, the terminal N/L1 is used as a zero line interface configured by a zero fire, and other load relays are normally connected with the load. After electrification, if a binding post N/L1 is connected with a load, the high-breaking fuse normally works, if a binding post N/L1 is connected with a zero line, the high-section fuse is broken, at the moment, the differential pressure at two ends of the high-breaking fuse is detected through a zero-fire-single-fire intelligent detection circuit, the high-breaking fuse is judged to be a single-fire plate if the differential pressure is not broken and is zero, the high-breaking fuse is judged to be a zero-fire plate if the differential pressure is large after being broken, the MCU control circuit records the state, the circuit is set to be a corresponding version, and the first relay is permanently disconnected by the zero-fire plate, so that the reliability of the circuit is further ensured. The invention can realize the self-adaptive function of zero fire-single fire, is adaptive to the wiring mode of new and old houses, has high compatibility, can effectively solve the problems of unknown relevant knowledge and difficult selection of common users, and is simple and safe to use.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Detailed Description
Referring to fig. 1, the single live-zero fire adaptive circuit of the intelligent switch panel comprises an MCU control circuit 1, a high breaking fuse 2, a first relay 3, N load relays 4 (such as the load relay 1 and the load relay 2), a zero live-single fire intelligent detection circuit 5 and a power supply circuit 6. The high-breaking fuse 2 is connected with the first relay 3 in series, one end of each of the N load relays 4 is connected with the high-breaking fuse 2, the zero-fire-single-fire intelligent detection circuit 5 is connected with the high-breaking fuse 2 and the MCU control circuit 1, the electricity taking circuit 6 is connected with a wiring terminal L, and the wiring terminal L is connected with the high-breaking fuse 2. The first relay 3 is connected with a terminal N/L1, the other end of each load relay 4 is connected with a terminal Ln (such as a terminal L2 and a terminal L3), and the terminal N/L1 and the terminal Ln are connected with the power-taking circuit 4.
The intelligent switch panel single fire-zero fire self-adaptive circuit further comprises an MOS tube 7, an MOS tube switch control circuit 8 and a zero-crossing detection circuit 9, wherein the MOS tube 7 is arranged on a trunk circuit connected with the wiring terminal L and the high breaking fuse 2, the MOS tube switch control circuit 8 is connected with the MOS tube 7 and the MCU control circuit 1, and the zero-crossing detection circuit 9 is connected with the MOS tube 7 and the MCU control circuit 1.
The single live-zero fire self-adaptive circuit of the intelligent switch panel further comprises a voltage monitoring circuit 10 and an isolation circuit 11, wherein the voltage monitoring circuit 10 is connected with the power taking circuit 6 and the MCU control circuit 1. The isolation circuit 11 is connected with the power taking circuit 6, the wiring post N/L1 and the wiring post Ln.
The design principle of the invention is as follows: when the terminal N/L1 is connected with a load, the terminal N/L1 is used as a load interface configured by a single fire, when the terminal N/L1 is connected with a zero line, the terminal N/L1 is used as a zero line interface configured by a zero fire, and the rest load relays 4 are normally connected with the load. After electrification, if a binding post N/L1 is connected with a load, the high-breaking fuse 2 works normally, if a binding post N/L1 is connected with a zero line, the high-section fuse 2 is broken, at the moment, the differential pressure at two ends of the high-breaking fuse 2 is detected through a zero-fire-single-fire intelligent detection circuit 5, the high-breaking fuse 2 is judged to be a single-fire plate if the differential pressure is not broken to be zero, the high-breaking fuse 2 is judged to be a zero-fire plate if the differential pressure is large after being broken, the MCU control circuit 1 records the state, the circuit is set to be a corresponding version, and the first relay 3 is permanently disconnected by the zero-fire plate, so that the reliability of the circuit is further ensured.
When power is supplied, when a relay in a circuit is in a disconnected state, a voltage difference is formed between the wiring terminal L and the relay in the disconnected state, and the power supply circuit 6 is supplied with power, so that the whole circuit system works; in the working process, when all relays in the circuit are closed, the output voltage of the power taking circuit 6 is in a continuous power failure process, the system voltage is monitored in real time through the voltage monitoring circuit 10, when the system voltage is lower than a preset low value, the Mos tube 7 is disconnected through the Mos tube switch control circuit 8, so that the voltage difference occurs again between the terminal L and the AC1 of the branch of the power taking circuit 6 and between the power taking circuit 6 and the branch of the terminal N/L1 and between the power taking circuit 6 and the AC2 of the branch of the terminal Ln, the power taking circuit 6 starts to work, and the power is supplied to the whole circuit system; when the voltage of the circuit system is monitored to recover to the preset high value, the Mos tube 7 is conducted again.
Detecting an alternating voltage zero point through a zero-crossing detection circuit 9, controlling a Mos tube switch control circuit 8 to be fixed near the zero point by an MCU control circuit 1 to disconnect a Mos tube 7, and taking power at a low voltage value at fixed time, so that the power consumption burden of a logic circuit is reduced, and the influence on load work caused by power taking at a high voltage point is avoided; meanwhile, the zero-crossing detection circuit 9 ensures that the relay acts near the zero point, the high-voltage bonding of a contact is avoided, and the reliability of the relay is improved.
The invention also discloses an intelligent switch panel, and a single-live-zero-live self-adaptive circuit adopting the intelligent switch panel.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (7)
1. Single fire-zero fire self-adaptation circuit of intelligence flush mounting plate of switch, its characterized in that: the intelligent detection circuit comprises an MCU control circuit, a high breaking fuse, a first relay, N load relays, a zero fire-single fire intelligent detection circuit and a power taking circuit, wherein the high breaking fuse is connected with the first relay in series, one end of each of the N load relays is connected with the high breaking fuse, the zero fire-single fire intelligent detection circuit is connected with the high breaking fuse and the MCU control circuit, the power taking circuit is connected with a wiring terminal L, the wiring terminal L is connected with the high breaking fuse, the first relay is connected with a wiring terminal N/L1, the other end of each load relay is connected with a wiring terminal Ln, and the wiring terminal N/L1 and the wiring terminal Ln are connected with the power taking circuit.
2. The one fire-to-zero fire adaptive circuit of an intelligent switch panel of claim 1, wherein: the high-breaking-capacity fuse protector further comprises an MOS tube and an MOS tube switch control circuit, wherein the MOS tube is arranged on a trunk circuit connected with the wiring terminal L and the high-breaking-capacity fuse, and the MOS tube switch control circuit is connected with the MOS tube and the MCU control circuit.
3. The one fire-to-zero fire adaptive circuit of an intelligent switch panel of claim 2, wherein: the device also comprises a zero-crossing detection circuit, wherein the zero-crossing detection circuit is connected with the MOS tube and the MCU control circuit.
4. The one fire-to-zero fire adaptive circuit of an intelligent switch panel of claim 2, wherein: still include voltage monitoring circuit, this voltage monitoring circuit with get electric circuit and MCU control circuit connection.
5. The one fire-to-zero fire adaptive circuit of an intelligent switch panel of claim 1, wherein: the isolation circuit is connected with the power supply circuit, the wiring post N/L1 and the wiring post Ln.
6. The one fire-to-zero fire adaptive circuit of an intelligent switch panel of claim 1, wherein: and the first relay and the load relay both adopt magnetic latching relays.
7. Intelligence flush mounting plate of switch, its characterized in that: single fire-zero fire adaptive circuit using the intelligent switch panel of any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274131.3A CN114647211A (en) | 2022-03-20 | 2022-03-20 | Single-live-zero-live self-adaptive circuit of intelligent switch panel and intelligent switch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210274131.3A CN114647211A (en) | 2022-03-20 | 2022-03-20 | Single-live-zero-live self-adaptive circuit of intelligent switch panel and intelligent switch panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114647211A true CN114647211A (en) | 2022-06-21 |
Family
ID=81994714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210274131.3A Pending CN114647211A (en) | 2022-03-20 | 2022-03-20 | Single-live-zero-live self-adaptive circuit of intelligent switch panel and intelligent switch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114647211A (en) |
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2022
- 2022-03-20 CN CN202210274131.3A patent/CN114647211A/en active Pending
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