CN108574514B - Constant temperature machine control system based on power carrier - Google Patents
Constant temperature machine control system based on power carrier Download PDFInfo
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- CN108574514B CN108574514B CN201810636140.6A CN201810636140A CN108574514B CN 108574514 B CN108574514 B CN 108574514B CN 201810636140 A CN201810636140 A CN 201810636140A CN 108574514 B CN108574514 B CN 108574514B
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- module
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- thermostat
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention discloses a thermostat control system based on a power carrier, which is characterized in that: the intelligent constant temperature machine comprises a constant temperature machine power supply switch module, a constant temperature machine coupling module, a constant temperature machine MCU module, a power carrier module, a constant temperature machine function control module, an operator power supply switch module, an operator coupling module, an operator power carrier module, an operator MCU module and an operator input module; the power line is connected with the operator power switch module, the operator MCU module is connected with the operator power carrier module, the operator power carrier module is connected with the operator coupling module, and the operator coupling module is connected with the operator power switch module; the power carrier module and the operator power carrier module adopt power lines for data communication, and the data communication is power frequency zero crossing time slot data communication. Compared with the prior art, the invention has the advantages of convenient use, simple operation, no need of additional wire drawing, wall penetration and the like.
Description
Technical Field
The invention relates to the technical field of thermostats, in particular to a thermostat control system based on a power carrier.
Background
With the continuous development of network technology, the power network transmission technology is widely applied to various fields of life, such as smart home and the like.
The most of the thermostat controllers on the market at present adopt a local operator or a wired connection controller. The installation position of the thermostat is inconsistent with the implementation position of functions such as heating of the thermostat, and when the working condition of the thermostat needs to be changed, the thermostat can be operated by using the operator of the thermostat, so that the thermostat is extremely inconvenient to use; in order to facilitate the use of the thermostat, a common implementation means is to perform wired control for the re-stay wire, but the re-stay wire causes the increased installation cost of the thermostat, and meanwhile, the re-stay wire needs to destroy the original design of the existing house, so that the customer experience is seriously affected.
Disclosure of Invention
The present invention has been made in view of the above problems occurring in the prior art, and provides a thermostat control system that realizes remote control using an existing power network.
The invention is realized by the following technical scheme: the thermostat control system based on the power carrier comprises a thermostat power supply switch module, a thermostat coupling module, a thermostat MCU module, a power carrier module, a thermostat function control module, an operator power supply switch module, an operator coupling module, an operator power carrier module, an operator MCU module and an operator input module; the power carrier module is connected with the thermostat MCU module, the thermostat MCU module is connected with the thermostat coupling module, the thermostat coupling module is connected with the thermostat power supply switch module, and the thermostat power supply switch module is connected with a power line; the power line is connected with the operator power switch module, the operator MCU module is connected with the operator power carrier module, the operator power carrier module is connected with the operator coupling module, and the operator coupling module is connected with the operator power switch module; the power carrier module and the operator power carrier module adopt power lines for data communication, and the data communication is power frequency zero crossing time slot data communication.
Preferably, the thermostat coupling module and the operator coupling module both comprise zero crossing signals and a coupling control circuit.
Further, the zero-crossing signal and coupling control circuit comprises a photoelectric coupler, a circuit voltage dividing unit, a transformer unit, a zero-crossing detection unit and a tuning capacitor, wherein one end of the circuit voltage dividing unit is connected with a live wire of the power line, the other end of the circuit voltage dividing unit is connected with the photoelectric coupler, and a photodiode of the photoelectric coupler is connected with a rectifying diode; one end of the transformer unit is connected with a zero line of the power line, the other end of the transformer unit is connected with the tuning capacitor, and the output end of the transformer unit is connected with the power carrier module; the zero-crossing detection unit comprises a triode, a resistor and a capacitor, wherein an emitter of the photoelectric triode of the photoelectric coupler is connected to a triode base electrode through a divider resistor, a triode collector is connected to a pull-up resistor, and the emitter of the triode is grounded.
Preferably, the power carrier module is in serial communication with the thermostat MCU module; the operator power carrier module is in serial communication with the operator MCU module; and the thermostat MCU module is communicated with the serial port of the operator MCU module.
Further, the thermostat functional module comprises an ignition and flame control module, a water flow/wind pressure switch/fan rotating speed detection control module, a temperature probe control module, a fan control module, a temperature controller and an electromagnetic valve control module.
Preferably, each module of the thermostat functional module is respectively connected with the thermostat MCU module through signals.
Further, the thermostat functional module comprises a wireless communication module, and a communication mobile terminal is arranged corresponding to the wireless communication module.
Compared with the prior art, the invention forms a power network platform by utilizing the existing power line, and realizes remote control of the thermostat without additional stay wires, namely: the thermostat MUC module and the operator MCU module establish a power network by utilizing a household power line, and perform data communication by adopting power frequency zero crossing time slot transmission, and the thermostat MCU module performs address allocation binding with the operator power carrier module by the power line, so that remote communication is realized; the defect that the use of the manipulator of the machine is inconvenient is overcome, meanwhile, the wire control by re-pulling wires is effectively avoided, and the manipulator has the advantages of being simple in operation, convenient to use, capable of penetrating through a wall, crossing the wall and the like.
Drawings
FIG. 1 is a frame diagram of the present invention;
FIG. 2 is a schematic diagram of a zero crossing signal and coupling control circuit;
FIG. 3 is a schematic diagram of a thermostat MCU module;
fig. 4 is a schematic diagram of a thermostat power carrier module;
FIG. 5 is a schematic diagram of wifi and wire-line control;
FIG. 6 is a schematic diagram of an operator MCU module;
fig. 7 is a schematic diagram of a buzzer module.
Detailed Description
For a better understanding and implementation, the present invention is described in detail below with reference to the drawings.
As shown in fig. 1 to 7, a thermostat control system based on a power carrier comprises a thermostat power switch module 1, a thermostat coupling module 2, a thermostat MCU module 4, a power carrier module 3, a thermostat function control module, an operator power switch module 9, an operator coupling module 8, an operator power carrier module 7, an operator MCU module 6, and an operator input module; the power carrier module is connected with the thermostat MCU module, the thermostat MCU module is connected with the thermostat coupling module, the thermostat coupling module is connected with the thermostat power supply switch module, and the thermostat power supply switch module is connected with a power line; the power line is connected with the operator power switch module, the operator MCU module is connected with the operator power carrier module, the operator power carrier module is connected with the operator coupling module, and the operator coupling module is connected with the operator power switch module; the power carrier module and the operator power carrier module adopt power lines for data communication, and the data communication is power frequency zero crossing time slot data communication.
The power carrier thermostat controller performs power carrier module address allocation binding with the power carrier operator through a 220V (in-phase) power line of the mains supply of the power grid, so that remote communication is realized.
The thermostat is also provided with a local operator 5, and the local operator is in serial communication with the MCU module of the thermostat and can perform on-site operation control on the thermostat; meanwhile, in order to be convenient to use, the thermostat functional module comprises a wireless communication module and is correspondingly provided with a communication mobile terminal, wherein the wireless communication module comprises wireless communication modules such as wifi and ZigBee, and the like.
As shown in fig. 2, the thermostat coupling module and the operator coupling module both comprise zero crossing signals and a coupling control circuit; the zero-crossing signal and coupling control circuit comprises a photoelectric coupler, a circuit voltage dividing unit, a transformer unit, a zero-crossing detection unit and a tuning capacitor, wherein the circuit voltage dividing unit is composed of a plurality of resistors, one end of the circuit voltage dividing unit is connected with a live wire of a power line, the other end of the circuit voltage dividing unit is connected with the photoelectric coupler, the photoelectric coupler is composed of a photodiode and a triode, and the circuit voltage dividing unit and the rectifying diode are respectively connected to realize 'electric-optical-electric' conversion. The photodiode of the photoelectric coupler is connected with the rectifying diode. The transformer unit comprises a coil and a magnetic core, one end of the transformer unit is connected to a zero line of the power line, and the other end of the transformer unit is connected with a tuning capacitor to tune the frequency of the transformer according to actual conditions. The output end of the transformer unit is connected to the power carrier module to play a role in inputting and outputting signals. The zero-crossing detection unit comprises a triode, a resistor and a capacitor, wherein the resistor and the capacitor are connected in parallel, the resistor plays a role in voltage division, and the capacitor plays a role in filtering high-frequency signal components. The triode collector is connected to the pull-up resistor to form a high level when the triode is cut off; and an emitter of a photoelectric triode of the photoelectric coupler is connected to a base electrode of the triode through a divider resistor, and the emitter of the triode is grounded to finish the detection of the zero crossing signal.
The power carrier module is communicated with the serial port of the MCU module of the thermostat; the operator power carrier module is in serial communication with the operator MCU module; and the constant temperature machine MCU module is communicated with the serial port of the operator MCU module, and data bidirectional communication is performed by adopting power frequency zero crossing time slot transmission.
The thermostat functional module comprises an ignition and flame control module, a water flow/wind pressure switch/fan rotating speed detection control module, a temperature probe control module, a fan control module, a temperature controller and an electromagnetic valve control module, wherein each module of the thermostat functional module is respectively connected with the thermostat MCU module through signals.
Compared with the prior art, the invention forms a power network platform by utilizing the existing power line, and realizes remote control of the thermostat without additional stay wires, namely: the thermostat MUC module and the operator MCU module establish a power network by utilizing a household power line, and perform data communication by adopting power frequency zero crossing time slot transmission, and the thermostat MCU module performs address allocation binding with the operator power carrier module by the power line, so that remote communication is realized; the defect that the use of the manipulator of the machine is inconvenient is overcome, meanwhile, the wire control by re-pulling wires is effectively avoided, and the manipulator has the advantages of being simple in operation, convenient to use, capable of penetrating through a wall, crossing the wall and the like.
The present invention is not limited to the above-described embodiments, but, if various modifications or variations of the present invention are not departing from the spirit and scope of the present invention, the present invention is intended to include such modifications and variations as fall within the scope of the claims and the equivalents thereof.
Claims (9)
1. Based on power line carrier constant temperature machine control system, its characterized in that: the intelligent constant temperature machine comprises a constant temperature machine power supply switch module, a constant temperature machine coupling module, a constant temperature machine MCU module, a power carrier module, a constant temperature machine function control module, an operator power supply switch module, an operator coupling module, an operator power carrier module, an operator MCU module and an operator input module; the power carrier module is connected with the thermostat MCU module, the thermostat MCU module is connected with the thermostat coupling module, the thermostat coupling module is connected with the thermostat power supply switch module, and the thermostat power supply switch module is connected with a power line; the power line is connected with the operator power switch module, the operator MCU module is connected with the operator power carrier module, the operator power carrier module is connected with the operator coupling module, and the operator coupling module is connected with the operator power switch module; the power carrier module and the operator power carrier module adopt power lines for data communication, and the data communication is power frequency zero crossing time slot data communication.
2. The power carrier based thermostat control system of claim 1, wherein: the constant temperature machine coupling module and the manipulator coupling module both comprise zero crossing signals and a coupling control circuit.
3. The power carrier based thermostat control system of claim 2, wherein: the zero-crossing signal and coupling control circuit comprises a photoelectric coupler, a circuit voltage dividing unit, a transformer unit, a zero-crossing detection unit and a tuning capacitor, wherein one end of the circuit voltage dividing unit is connected with a live wire of the power line, the other end of the circuit voltage dividing unit is connected with the photoelectric coupler, and a photodiode of the photoelectric coupler is connected with a rectifier diode; one end of the transformer unit is connected with a zero line of the power line, the other end of the transformer unit is connected with the tuning capacitor, and the output end of the transformer unit is connected with the power carrier module; the zero-crossing detection unit comprises a triode, a resistor and a capacitor, wherein an emitter of the photoelectric triode of the photoelectric coupler is connected to a triode base electrode through a divider resistor, a triode collector is connected to a pull-up resistor, and the emitter of the triode is grounded.
4. A power carrier based thermostat control system as claimed in claim 3 wherein: the circuit voltage dividing unit is formed by connecting a plurality of resistors in series.
5. The power carrier based thermostat control system of claim 1, wherein: the power carrier module is communicated with the serial port of the MCU module of the thermostat; the operator power carrier module is in serial communication with the operator MCU module; and the thermostat MCU module is communicated with the serial port of the operator MCU module.
6. The power carrier based thermostat control system of claim 1, wherein: the thermostat functional module comprises an ignition and flame control module, a water flow/wind pressure switch/fan rotating speed detection control module, a temperature probe control module, a fan control module, a temperature controller and an electromagnetic valve control module.
7. The power carrier based thermostat control system of claim 6, wherein: and each module of the thermostat functional module is respectively connected with the thermostat MCU module through signals.
8. The power carrier based thermostat control system of claim 1, wherein: the thermostat functional module comprises a wireless communication module, and a communication mobile terminal is arranged corresponding to the wireless communication module.
9. The power carrier based thermostat control system of claim 1, wherein: and the serial port of the operator MCU module is connected with the buzzer module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636140.6A CN108574514B (en) | 2018-06-20 | 2018-06-20 | Constant temperature machine control system based on power carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636140.6A CN108574514B (en) | 2018-06-20 | 2018-06-20 | Constant temperature machine control system based on power carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108574514A CN108574514A (en) | 2018-09-25 |
| CN108574514B true CN108574514B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810636140.6A Active CN108574514B (en) | 2018-06-20 | 2018-06-20 | Constant temperature machine control system based on power carrier |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972471A (en) * | 1975-05-27 | 1976-08-03 | Ziegler Ronald N | Automatic temperature setback system for controlling a heating unit |
| CN101141340A (en) * | 2007-10-19 | 2008-03-12 | 广东纺织职业技术学院 | Multi-point remote control constant temperature gas water heater based power line carrier communication device |
| CN102331735A (en) * | 2011-07-14 | 2012-01-25 | 中山爱科数字家庭产业孵化基地有限公司 | PLC bus control circuit applied to digital home |
| CN203617994U (en) * | 2013-12-20 | 2014-05-28 | 长沙威胜信息技术有限公司 | Orthogonal frequency division multiplexing (OFDM) multi-carrier modulation electric power data communication circuit |
| CN204334607U (en) * | 2014-12-26 | 2015-05-13 | 苏州市职业大学 | A kind of intelligent domestic system based on power carrier |
| CN105222280A (en) * | 2015-10-23 | 2016-01-06 | 陕西科技大学 | A kind of building air-conditioner group control device and method |
| CN107894102A (en) * | 2017-12-19 | 2018-04-10 | 成都前锋电子有限责任公司 | A kind of water heater wireless control system with power line carrier module |
-
2018
- 2018-06-20 CN CN201810636140.6A patent/CN108574514B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3972471A (en) * | 1975-05-27 | 1976-08-03 | Ziegler Ronald N | Automatic temperature setback system for controlling a heating unit |
| CN101141340A (en) * | 2007-10-19 | 2008-03-12 | 广东纺织职业技术学院 | Multi-point remote control constant temperature gas water heater based power line carrier communication device |
| CN102331735A (en) * | 2011-07-14 | 2012-01-25 | 中山爱科数字家庭产业孵化基地有限公司 | PLC bus control circuit applied to digital home |
| CN203617994U (en) * | 2013-12-20 | 2014-05-28 | 长沙威胜信息技术有限公司 | Orthogonal frequency division multiplexing (OFDM) multi-carrier modulation electric power data communication circuit |
| CN204334607U (en) * | 2014-12-26 | 2015-05-13 | 苏州市职业大学 | A kind of intelligent domestic system based on power carrier |
| CN105222280A (en) * | 2015-10-23 | 2016-01-06 | 陕西科技大学 | A kind of building air-conditioner group control device and method |
| CN107894102A (en) * | 2017-12-19 | 2018-04-10 | 成都前锋电子有限责任公司 | A kind of water heater wireless control system with power line carrier module |
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| CN108574514A (en) | 2018-09-25 |
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