CN210488254U - Single live wire power line communication intelligent household control module - Google Patents
Single live wire power line communication intelligent household control module Download PDFInfo
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- CN210488254U CN210488254U CN201921853868.0U CN201921853868U CN210488254U CN 210488254 U CN210488254 U CN 210488254U CN 201921853868 U CN201921853868 U CN 201921853868U CN 210488254 U CN210488254 U CN 210488254U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a single live wire power line communication intelligent home control module, which comprises a control end and a controlled end, wherein a commercial power L end is connected to a commercial power N end through the control end, the controlled end and a load in sequence to form a loop; the single live wire power taking module takes power from the L end of the commercial power and controls the output control module to output current and turn-off pulse to the controlled end through the live wire according to the sampling current data of the current acquisition module by the first MCU control module; the input control module receives current and turn-off pulse output by the control end through the live wire, the current and the turn-off pulse are filtered and stabilized by the filtering and voltage stabilizing circuit and transmitted to the second MCU control module, the second MCU control module identifies instructions through the current and the turn-off pulse, the voltage acquisition module transmits sampling voltage data to the second MCU control module through filtering and voltage stabilizing processing of the filtering and voltage stabilizing circuit, and the second MCU control module controls a load according to the instructions. This novel circuit design is simple and the good reliability, realizes the single live wire power line communication control to intelligent house.
Description
Technical Field
The utility model relates to an intelligence house and switching power supply technical field, especially a single live wire power line communication intelligence house control module.
Background
At present, a signal is transmitted based on a power line carrier, a zero line and a live line are required to be connected into a product, the signal is required to be acquired from the power line through filtering modulation and demodulation, and the circuit composition is complex. Transmission over a single live wire and without the need for signal modulation and demodulation is not possible.
At present, only power taking is realized on a single live wire to provide electric energy for control equipment, and control instruction information is not transmitted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a single live wire power line communication intelligence house control module is provided.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: a single-live-wire power line communication intelligent home control module comprises a control end and a controlled end, wherein a commercial power L end is connected to a commercial power N end through the control end, the controlled end and a load in sequence to form a loop; the control end comprises a single live wire power taking module, a first MCU control module, an output control module and a current acquisition module, wherein the single live wire power taking module takes power from the L end of the commercial power and controls the output control module to output current and turn-off pulse to the controlled end through a live wire according to sampling current data of the current acquisition module by the first MCU control module; the controlled end comprises an input control module, a voltage acquisition module, a filtering voltage stabilizing circuit and a second MCU control module, the input control module receives current and turn-off pulses output by the control end through a live wire, the filtering voltage stabilizing circuit is used for filtering and stabilizing the voltage and transmitting the current and the turn-off pulses to the second MCU control module, the second MCU control module identifies instructions through the current and the turn-off pulses, the voltage acquisition module transmits sampled voltage data to the second MCU control module through filtering and voltage stabilizing processing of the filtering voltage stabilizing circuit, and the second MCU control module controls a load according to the instructions.
In the above technical scheme, the control signal output by the second MCU control module controls the switching of the load through the switching tube group.
In the above technical scheme, the current collection module and the voltage collection module respectively adopt a collection module formed by an operational amplifier to sample a sampling resistor on a loop live wire and transmit the sampling resistor to the corresponding first MCU control module/second MCU control module.
The utility model has the advantages that: the whole circuit structure is simple in design and high in reliability, and control of single-live-wire power line communication on intelligent household loads can be achieved.
Drawings
Fig. 1 is a schematic diagram of the module structure of the present invention.
Fig. 2 is a schematic circuit diagram of the single live wire power supply of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, a single live wire power line communication smart home control module includes a control end and a controlled end, wherein a commercial power L end is connected to a commercial power N end through the control end, the controlled end, and a load in sequence to form a loop.
The control end shown in fig. 1 comprises a single live wire power-taking module, a first MCU control module, an output control module and a current acquisition module, wherein the single live wire power-taking module takes power from the L end of the commercial power and controls the output control module to output current and turn-off pulse to the controlled end through the live wire L according to the sampling current data of the current acquisition module by the first MCU control module; pulse output is realized by controlling the on and off of a switch (MOS tube).
As shown in fig. 2, the single live wire power taking module includes a bridge rectifier circuit DB1, an LC filter circuit, a high-frequency transformer circuit T1, an RC filter circuit, and a primary side control chip U2, the L end of the utility power is connected to the input end of the bridge rectifier circuit DB1 through a fuse F1, the output of the bridge rectifier circuit DB1 is transformed by the high-frequency transformer circuit T1 after flowing through the LC filter circuit, and forms the required working voltage +12V through the RC filter circuit; two ends (pin 1 and pin 2 of T1) of a primary winding of the high-frequency transformation circuit T1 are respectively connected with the LC filter circuit and the D end of the primary side control chip U2; one end (4 feet of T1) of an auxiliary winding of the high-frequency transformation circuit is connected with a feedback end FB of the primary side control chip U2, and the other end (3 feet of T1) of the auxiliary winding of the high-frequency transformation circuit is connected with a series starting capacitor C10 and a soft starting end of the primary side control chip U2. Specifically, in this embodiment, the primary side control chip U2 uses an LNK564DG chip. The bridge rectifier circuit DB1 adopts a bridge rectifier TB8S, wherein a pin 1 is connected with the L end of the commercial power through a fuse F1, and a pin 4 is connected with the N end of the commercial power. The LC filter circuit is composed of an inductor L1 and a polar capacitor C4, the inductor L1 is connected between a pin 1 of a bridge rectifier TB8S and a pin 1 of a primary winding in series, and one end of the polar capacitor C4 is connected between a node between the inductor L1 and the pin 1 of the primary winding and a pin 2 of the bridge rectifier TB 8S. The high-frequency transformation circuit T1 adopts an EPC13 transformer, a series resistor group of a resistor R29 and a resistor R30 and a capacitor C11 are connected in parallel between 4 pins and 5 pins of an auxiliary winding, and the 5 pins are reversely connected with a diode D15 in series and then grounded. The FB terminal of the LNK564DG chip is connected to the node between the resistor R29 and the resistor R30, the BP terminal is grounded after being connected with the starting capacitor C10, and the S terminal is all grounded. The two ends of the secondary winding are connected in series with a diode D17 and capacitors C14 and C15, and the two ends of the diode D17 are also connected in parallel with a filter resistor R31 and a capacitor C13.
As shown in fig. 1, the controlled end includes an input control module, a voltage acquisition module, a filtering and voltage stabilizing circuit and a second MCU control module, the input control module receives the current and signal output by the control end through the live wire L, and the current and signal are filtered and stabilized by the filtering and voltage stabilizing circuit and transmitted to the second MCU control module, the voltage acquisition module transmits the sampled voltage data to the second MCU control module through the filtering and voltage stabilizing processing of the filtering and voltage stabilizing circuit, and the second MCU control module controls the load according to the command.
As shown in fig. 2, the control signal output by the second MCU control module controls the on/off of the load through the switch tube set. The switch tube group consists of a switch tube Q1 and a switch tube Q2, and the switch tubes Q1 and Q2 are protected by Schottky diodes D2 and D3 and resistors R2 and R3. L1 is a control line to the load.
Specifically, the current collection module and the voltage collection module respectively adopt a collection module formed by an operational amplifier to sample a sampling resistor on the loop and transmit the sampling resistor to the corresponding first MCU control module/second MCU control module. The handler employs OPA 2356.
The above embodiments are merely illustrative and not restrictive, and all equivalent changes and modifications made by the methods described in the claims are intended to be included within the scope of the present invention.
Claims (3)
1. The utility model provides a single live wire power line communication intelligence house control module which characterized in that: the system comprises a control end and a controlled end, wherein a commercial power L end is connected to a commercial power N end through the control end, the controlled end and a load in sequence to form a loop; the control end comprises a single live wire power taking module, a first MCU control module, an output control module and a current acquisition module, wherein the single live wire power taking module takes power from the L end of the commercial power and controls the output control module to output current and turn-off pulse to the controlled end through a live wire according to sampling current data of the current acquisition module by the first MCU control module; the controlled end comprises an input control module, a voltage acquisition module, a filtering voltage stabilizing circuit and a second MCU control module, the input control module receives current and turn-off pulses output by the control end through a live wire, the filtering voltage stabilizing circuit is used for filtering and stabilizing the voltage and transmitting the current and the turn-off pulses to the second MCU control module, the second MCU control module identifies instructions through the current and the turn-off pulses, the voltage acquisition module transmits sampled voltage data to the second MCU control module through filtering and voltage stabilizing processing of the filtering voltage stabilizing circuit, and the second MCU control module controls a load according to the instructions.
2. The single live wire power line communication intelligent home control module of claim 1, characterized in that: and the control signal output by the second MCU control module controls the on-off of the load through the switch tube group.
3. The single live wire power line communication intelligent home control module of claim 1, characterized in that: the current acquisition module and the voltage acquisition module respectively adopt an acquisition module consisting of an operational amplifier to sample a sampling resistor on a loop live wire and transmit the sampling resistor to the corresponding first MCU control module/second MCU control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853868.0U CN210488254U (en) | 2019-10-31 | 2019-10-31 | Single live wire power line communication intelligent household control module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921853868.0U CN210488254U (en) | 2019-10-31 | 2019-10-31 | Single live wire power line communication intelligent household control module |
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| CN210488254U true CN210488254U (en) | 2020-05-08 |
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| CN201921853868.0U Active CN210488254U (en) | 2019-10-31 | 2019-10-31 | Single live wire power line communication intelligent household control module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589032A (en) * | 2021-04-07 | 2021-11-02 | 天地融科技股份有限公司 | Method and system for carrying out real-time power test on load on single live wire |
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2019
- 2019-10-31 CN CN201921853868.0U patent/CN210488254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589032A (en) * | 2021-04-07 | 2021-11-02 | 天地融科技股份有限公司 | Method and system for carrying out real-time power test on load on single live wire |
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