CN104896686A - Central air conditioning energy-saving control system based on PLC carrier wave communication - Google Patents
Central air conditioning energy-saving control system based on PLC carrier wave communication Download PDFInfo
- Publication number
- CN104896686A CN104896686A CN201510187790.3A CN201510187790A CN104896686A CN 104896686 A CN104896686 A CN 104896686A CN 201510187790 A CN201510187790 A CN 201510187790A CN 104896686 A CN104896686 A CN 104896686A
- Authority
- CN
- China
- Prior art keywords
- control system
- carrier
- carrier communication
- central air
- communication module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2120/00—Control inputs relating to users or occupants
- F24F2120/10—Occupancy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
Abstract
The invention discloses a central air conditioning energy-saving control system based on PLC carrier wave communication. The central air conditioning energy-saving control system comprises a central control system, a power line carrier wave communication network and a zone control system, wherein the central control system is connected with the zone control system via the power line carrier wave communication network; the central control system further comprises a computer and a carrier wave receiver connected with the computer; and the zone control system is formed by a temperature control panel, an electric valve and a draught fan coil. Signal is transmitted in a carrier wave communication way; existing power line carrier wave communication network of a building can be utilized and an extra control line can be avoided, so human resource, material cost and system maintenance cost can be reduced; and an intelligent scheme makes the central air conditioning system wiser and energy-saving.
Description
Technical field
The present invention relates to a kind of control system, particularly relate to a kind of controlling system of central air conditioner based on PLC (Power Line Communication, electric line carrier communication) carrier communication.
Background technology
Along with the raising of development in science and technology and living standards of the people, central air-conditioning has been widely used with industry and civil buildings.But the power consumption of central air-conditioning accounts for very greatly the 30%-60% of all kinds of heavy construction total electricity consumption, generally doubly go to determine air conditioner load with the 1.1-1.5 of its maximum cold (heat) load with the extreme meteorological condition in locality during traditional Design of Central Air Conditioning Systems, the central air-conditioning of China overwhelming majority, the time of more than 70% is had all to operate in less than 50% of Design cooling load in the whole year, no matter season, how to change with user's request round the clock, each motor is fixed on full speed running under power frequency state all for a long time, causes electric energy serious waste.Therefore industry arranges corresponding central air-conditioning centralized control system to central air-conditioning.
The central air-conditioning centralized control system solution of current intelligent building be with computer or embedded system for main frame, respectively by respective communication network, control the fan coil power supply or the temperature controller that are dispersed in each room of intelligent building, form centrally controlled network.Although the efficiency that improve central air-conditioning that current central air-conditioning centralized control technique is suitable, because centralized Control arranges improper, also can cause the waste of energy of billow, the whole world is all in promotion energy-saving and emission-reduction, and thus the reducing energy consumption of central air-conditioning is imperative.
Doubly remove to determine air conditioner load with the extreme meteorological condition in locality with the 1.1-1.5 of its maximum cold (heat) load during the design of traditional central air conditioner system, the central air-conditioning of China overwhelming majority, the time of more than 70% is had all to operate in less than 50% of Design cooling load in the whole year, no matter season, how to change with user's request round the clock, each motor is fixed on full speed running under power frequency state all for a long time, causes electric energy serious waste.Therefore industry arranges corresponding central air-conditioning centralized control system to central air-conditioning, these current systems are mainly by Optimal Setting cooling parameter, the operation number of units of optimal control unit and time, adjustment cold water distributing system circular flow and power thereof have improved the operational efficiency of unit and distributing system, system be mainly basis for estimation for the temperature of backwater, control the duty of water pump.But these present control system still not intelligence and energy-conservation, air-conditioning system as unmanned in the interior length time still do as usual operation waste energy; Can not to regulate the room temperature accurately and to maintain room temperature constant.There is extensive management in traditional controlling system of central air conditioner, feeds back delayed, regulates and controls in time meticulous not, and can only accomplish that machine room controls and Centralizing inspection, management means is single, for realizing intellectuality truly and energy-saving.
Current central air-conditioning centralized control system communication network mainly comprises: RS-485 bus, LONGWORK bus, CAN and TCP/IP network etc.These control systems are when installing and using, all need to lay a large amount of dedicated telephone lines, because the fan coil of central air conditioner system, control valve are distributed in regional and room, therefore these central air conditioner systems need when setting up communication network to lay a large amount of connections, difficulty of construction is large, and construction cost and Material Cost are very high.In addition, when in use communication network breaks down, maintenance cost and maintenance difficulties are also very large.These at implementation process ubiquity successfully high, construction volume and difficulty is large, troublesome maintenance, take the shortcomings such as Internet resources of constructing with RS-485 bus, LONGWORK bus, CAN and the TCP/IP network central air conditioner system that is communication network basis, cause central air conditioner system and are difficult to the extensive present situation carried out in actual applications.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of controlling system of central air conditioner based on PLC carrier communication, and it realizes automatic control and the intelligent management of central air conditioner system, saves manpower and Material Cost and system maintenance cost.
The present invention solves above-mentioned technical problem by following technical proposals: a kind of controlling system of central air conditioner based on PLC carrier communication, it is characterized in that, it is made up of central control system, electric line carrier communication network, zone control system three parts, connected by electric line carrier communication network between central control system and zone control system, without the need to additionally laying control circuit, complete the mutual of control information and data.
Preferably, described central control system comprises interconnective computer and carrier transceiver, and zone control system comprises interconnective temperature control panel, motor-driven valve and fan coil.
Preferably, described carrier transceiver is made up of the first single-chip microcomputer, the first power supply, network communication module, first carrier communication module, first power supply, network communication module, first carrier communication module are all connected with the first single-chip microcomputer, complete the reception of network signal and carrier signal, transmission and mutually change.
Preferably, described temperature control panel is made up of second singlechip, second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display and button, and second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display, button are all connected with second singlechip; Moment detects indoor temperature, auto-control air-conditioning, temperature constant in holding chamber, and automatically can control the operation of central air-conditioning according to setting and User Activity, reaches the object that wisdom is energy-conservation.
Preferably, described first carrier communication module or the second carrier communication module are made up of carrier chip circuit, signal coupling circuit, Signal reception filter circuit, signal output amplifier, signal coupling circuit, Signal reception filter circuit, carrier chip circuit, signal output amplifier connect successively, signal coupling circuit and Signal reception filter circuit form carrier wave receiving circuit jointly, and signal coupling circuit and signal output amplifier form carrier wave transtation mission circuit jointly.
Positive progressive effect of the present invention is: the present invention realizes automatic control and the intelligent management of central air conditioner system, saves manpower and Material Cost and system maintenance cost.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the controlling system of central air conditioner that the present invention is based on PLC carrier communication.
Fig. 2 is the theory diagram of central control system in the present invention.
Fig. 3 is the theory diagram of carrier transceiver in the present invention.
Fig. 4 is the theory diagram of zone control system in the present invention.
Fig. 5 is the theory diagram of temperature control panel in the present invention.
Fig. 6 is the theory diagram of first carrier communication module or the second carrier communication module in the present invention.
Detailed description of the invention
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention is based on the controlling system of central air conditioner of PLC carrier communication by central control system, electric line carrier communication network, zone control system three parts form, connected by electric line carrier communication network between central control system and zone control system, without the need to additionally laying control circuit, complete the mutual of control information and data, user completes this locality to central air-conditioning by these three systems, Long-distance Control and intelligent management, realize the unification to each subregion air-conditioning system or independent control and management, as time switch controls, indoor temperature setting and thermostatic control, human body induced intelligent control etc.
As shown in Figure 2, central control system comprises interconnective computer and carrier transceiver, and computer provides central air-conditioning remote control table for user, and computer is communicated with carrier transceiver by TCP/IP network, issues control instruction to carrier transceiver; Carrier transceiver is connected with computer using TCP/IP network as up channel, be connected using power line as down channel with each zone control system, computerized information is received by up channel, by down channel, information is sent to respective partition control system, receive each zone control system by down channel simultaneously and send the relevant information of coming up, then be uploaded to computer process through up channel.Carrier transceiver is connected with PC using TCP/IP network as up channel, be connected using power line as down channel with each zone control system, PC information is received by up channel, by down channel, information is sent to respective partition control system, receive each zone control system by down channel simultaneously and send the relevant information of coming up, then be uploaded to PC process through up channel.As shown in Figure 3, carrier transceiver is made up of the first single-chip microcomputer, the first power supply, network communication module, first carrier communication module, first power supply, network communication module, first carrier communication module are all connected with the first single-chip microcomputer, first single-chip microcomputer is the main control unit of carrier transceiver, processes the information that network communication module, carrier communication module transmit and changes.Network communication module is the uplink communication module of carrier transceiver, is responsible for the related control information that sends from TCP/IP network reception computer and sends to the first single-chip microcomputer process, the collection reporting information feedback to the computer simultaneously sended over by the first single-chip microcomputer.First carrier communication module is the downlink communication module of carrier transceiver, be responsible for, by power line network, the control information of the first single-chip microcomputer is sent to each zone control system, simultaneously from the relevant reporting information that power line network reception zone control system sends, and send to the first single-chip microcomputer process.
What electric line carrier communication network adopted is the existing transmission of electricity supply line of building, the i.e. network of power line composition, for central control system and zone control system provide basic communication network, carrier transceiver and each zone control system relevant device of central control system are all equipped with carrier communication module, and carrier communication module completes the transmission of relevant information with mutual by power line.
Zone control system presses Region dividing, the member composition identical by some frameworks.Each zone control system carries out information interaction by electric line carrier communication network and master control system, receives and performs the concerned control command of master control system, and to relevant informations such as master control system feedback temperature, human body detections.As shown in Figure 4, zone control system is made up of temperature control panel, motor-driven valve, fan coil and relevant control line thereof, motor-driven valve, fan coil are all connected with temperature control panel by control line, the key operation signal of related control information on power line or user is received by temperature control panel, process makes corresponding control and operation through control pair motor-driven valve and fan coil after judging, control opening or closing of motor-driven valve and fan coil, realize the control to air conditioner cold-heat throughput.By personnel activity in temperature control panel Real-time Collection indoor temperature and sensing chamber, system by power line network by information feed back to master control system.When detecting that there is people indoor, indoor Current Temperatures and design temperature are compared analysis by system, according to difference auto-control hot and cold air amount size, and temperature constant in holding chamber; When detecting that the interior length time unmanned, automatic control electric moves valve and blower fan reduces or stops cold to this region or send hot gas supply, economize energy.
As shown in Figure 5, temperature control panel is made up of second singlechip, second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display and button, and second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display, button are all connected with second singlechip.Temperature control panel has indoor temperature setting, indoor temperature is measured and show, human body infrared induction detection reports, refrigerating/heating/air vent mode is selected, the function such as conversion fan speed manually or automatically.Temperature control panel receives the related control information on power line or receives the key operation signal of user, detect and gather indoor temperature and personnel state, carry out corresponding control and operation by control pair motor-driven valve and fan coil, realize the Based Intelligent Control to indoor temperature.Second singlechip is the main control unit of carrier transceiver, integrated treatment and judgement are carried out to the information that each module acquires transmits, produce corresponding control instruction, control the display that liquid crystal display carries out graphical interfaces and data message, control air-conditioner controller and perform relevant control action adjustment hot and cold air amount, controlling the second carrier communication module is sent in power line by relevant temperature information, physical activity information and control information, by power line gateway, information is uploaded to central control system.Second source is responsible for providing whole panel need of work electric energy, adopts Switching Power Supply and DC-DC chip that AC power is converted to dc source.Second carrier communication module receives on power line from the copy reading of central control system and control signal, and these signals carried out filtering and send to second singlechip after being demodulated to data signal, be that analog signal sends when in power line by the digital signal modulated of singlechip feedbsck simultaneously.Air-conditioner controller receives the control information of second singlechip, controls accordingly control valve and fan coil and operates.Temperature detector receives the relevant copy reading information of second singlechip, detects indoor temperature in real time, and the temperature signal of collection is fed back to second singlechip processes.Human body infrared inductor real-time detection indoor occupant situation, and detection information is converted to data signal, Real-time Feedback carries out processing and judging to second singlechip.Liquid crystal display receives the relevant display of second singlechip, display room temperature, heat or freeze, parameter information and the relational graph such as wind speed or clock.Button receives related key signal, the signal special delivery received is processed to second singlechip.
As shown in Figure 6, first carrier communication module or the second carrier communication module are made up of carrier chip circuit, signal coupling circuit, Signal reception filter circuit, signal output amplifier, signal coupling circuit, Signal reception filter circuit, carrier chip circuit, signal output amplifier connect successively, signal coupling circuit and Signal reception filter circuit form carrier wave receiving circuit jointly, and signal coupling circuit and signal output amplifier form carrier wave transtation mission circuit jointly.Carrier chip circuit is the main control chip of carrier communication module, be a kind of power line carrier communication chip designed using power line medium as communication channel specially, AFE(analog front end), baseband modulation and demodulation, Digital Signal Processing, CPU core and abundant function peripheral hardware perfection are integrated in one by it.Chip periphery circuit is the basis that carrier chip can normally work, and is also the guarantee of carrier chip steady operation.Information in power line is first coupled in circuit by coupling magnet ring, through the outer harmonic wave of bandpass filter filter out-band, is transferred to carrier chip finally by amplitude limiter circuit.Carrier wave receiving circuit guarantees that carrier chip can receive the carrier signal in power line normally.Signal coupling circuit is for providing carrier-current signaling channel between light current and forceful electric power; high-pass filtering circuit is had in circuit; for the industrial frequency AC signal of telecommunication of isolated high voltage, two-way TVS pipe is for eliminating from the high frequency high intensity interference on power line, thus protection internal circuit.Two rank Butterworth bandpass filters are had in Signal reception filter circuit, effectively can eliminate and disturb outward from the band on power line, the diode of two inversion parallel-connection structures, clamp output voltage, prevents being input to the overtension of carrier chip and damages carrier chip.Carrier signal carries out amplifying and filtering through power amplifier, and then is sent in power line by coupling magnet ring.What signal output amplifier adopted is Qingdao Neusoft carrier-specific power line carrier link driving amplifier (model is ESPA16).The function of this circuit realiration is amplified carrier chip output signal, and be coupled on power line by signal coupling circuit, meets the requirement of power line transmission.Interface circuit mainly provides the power interface (+3.3V ,+12V) of carrier communication module, serial communication interface (PLCRXD, PLCTXD), carrier chip reseting interface (NREST), alternating current fire wire and alternating current zero line (L, N).Carrier communication module and single-chip microcomputer and the communication interface between carrier communication module and power line are provided, are convenient to the information of the controllers such as single-chip microcomputer by carrier communication module transmitting-receiving carrier communication.
Carrier communication is applied in air-conditioner control system by the present invention, adopt the mode of carrier communication by power line transmission control signal, without the need to additionally increasing control line, saving the laying of Systematical control line and the trouble of layout, saving manpower and Material Cost and system maintenance cost.Resolution system subregion interior length time unmanned air-conditioning system of the present invention still as usual operation to waste energy problem, in conjunction with human body sensing technology, realize automatic control and the intelligent management of central air conditioner system, when indoor nobody time system automatically reduce or close the conveying to this subregion cold (heat) gas, someone time Real-Time Monitoring indoor temperature, and establish value only to compare with temperature, carry out Intelligent adjustment to heating amount, in holding chamber, predetermined temperature is constant.User also can be regulated each partition system temperature by local temperature control panel or central control system, realizes real use as required, energy-conserving and environment-protective, meets the requirement of society energy-saving and emission-reduction.User can carry out convenient and safe this locality by system of the present invention to central air-conditioning and control or Long-distance Control, and reach management meticulous, control rationally, promptness is high, control device variation, actualizing technology, managerial dual energy-conservation.
Above-described specific embodiment; the technical problem of solution of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. the controlling system of central air conditioner based on PLC carrier communication, it is characterized in that, it is made up of central control system, electric line carrier communication network, zone control system three parts, connected by electric line carrier communication network between central control system and zone control system, without the need to additionally laying control circuit, complete the mutual of control information and data.
2. as claimed in claim 1 based on the controlling system of central air conditioner of PLC carrier communication, it is characterized in that, described central control system comprises interconnective computer and carrier transceiver, and zone control system comprises interconnective temperature control panel, motor-driven valve and fan coil.
3. as claimed in claim 2 based on the controlling system of central air conditioner of PLC carrier communication, it is characterized in that, described carrier transceiver is made up of the first single-chip microcomputer, the first power supply, network communication module, first carrier communication module, first power supply, network communication module, first carrier communication module are all connected with the first single-chip microcomputer, complete the reception of network signal and carrier signal, transmission and mutually change.
4. as claimed in claim 3 based on the controlling system of central air conditioner of PLC carrier communication, it is characterized in that, described temperature control panel is made up of second singlechip, second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display and button, and second source, the second carrier communication module, air-conditioner controller, temperature detector, human body infrared inductor, liquid crystal display, button are all connected with second singlechip; Moment detects indoor temperature, auto-control air-conditioning, temperature constant in holding chamber, and automatically can control the operation of central air-conditioning according to setting and User Activity, reaches the object that wisdom is energy-conservation.
5. as claimed in claim 4 based on the controlling system of central air conditioner of PLC carrier communication, it is characterized in that, described first carrier communication module or the second carrier communication module are by carrier chip circuit, signal coupling circuit, Signal reception filter circuit, signal output amplifier forms, signal coupling circuit, Signal reception filter circuit, carrier chip circuit, signal output amplifier connects successively, signal coupling circuit and Signal reception filter circuit form carrier wave receiving circuit jointly, signal coupling circuit and signal output amplifier form carrier wave transtation mission circuit jointly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187790.3A CN104896686A (en) | 2015-04-18 | 2015-04-18 | Central air conditioning energy-saving control system based on PLC carrier wave communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510187790.3A CN104896686A (en) | 2015-04-18 | 2015-04-18 | Central air conditioning energy-saving control system based on PLC carrier wave communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896686A true CN104896686A (en) | 2015-09-09 |
Family
ID=54029510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510187790.3A Pending CN104896686A (en) | 2015-04-18 | 2015-04-18 | Central air conditioning energy-saving control system based on PLC carrier wave communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896686A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116778A (en) * | 2015-09-10 | 2015-12-02 | 青岛东软载波智能电子有限公司 | Dry contact conversion module and control system and method therefor |
| CN107576007A (en) * | 2017-10-12 | 2018-01-12 | 深圳市信锐网科技术有限公司 | A kind of method and system of tail end of central air conditioner control, management platform, thermostat |
| CN113531775A (en) * | 2021-07-27 | 2021-10-22 | 广东美的制冷设备有限公司 | Internal and external machine matching fault positioning method of air conditioner, air conditioner and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201348334Y (en) * | 2008-12-26 | 2009-11-18 | 天津市金硕科技投资集团有限公司 | Power line carrier type centralized control system for central air conditioning |
| CN202734152U (en) * | 2012-06-20 | 2013-02-13 | 桂林电子科技大学 | Energy-saving control device of split-type air conditioner |
| CN203024344U (en) * | 2013-01-08 | 2013-06-26 | 湖南天佳电子技术有限公司 | Energy efficiency management and control system based on power line carrier for demand side of central air-conditioner |
| CN203719028U (en) * | 2013-11-26 | 2014-07-16 | 苏州市群达电子有限公司 | Energy-saving remote controller for air conditioner |
| CN203761387U (en) * | 2013-12-12 | 2014-08-06 | 青岛东软载波科技股份有限公司 | Low-voltage power line carrier communication circuit based on OFDM mode modulation |
| CN104214906A (en) * | 2013-05-31 | 2014-12-17 | 深圳市富能新能源科技有限公司 | Air conditioner control system |
| CN204665579U (en) * | 2015-04-18 | 2015-09-23 | 青岛东软载波智能电子有限公司 | Based on the controlling system of central air conditioner of PLC carrier communication |
-
2015
- 2015-04-18 CN CN201510187790.3A patent/CN104896686A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201348334Y (en) * | 2008-12-26 | 2009-11-18 | 天津市金硕科技投资集团有限公司 | Power line carrier type centralized control system for central air conditioning |
| CN202734152U (en) * | 2012-06-20 | 2013-02-13 | 桂林电子科技大学 | Energy-saving control device of split-type air conditioner |
| CN203024344U (en) * | 2013-01-08 | 2013-06-26 | 湖南天佳电子技术有限公司 | Energy efficiency management and control system based on power line carrier for demand side of central air-conditioner |
| CN104214906A (en) * | 2013-05-31 | 2014-12-17 | 深圳市富能新能源科技有限公司 | Air conditioner control system |
| CN203719028U (en) * | 2013-11-26 | 2014-07-16 | 苏州市群达电子有限公司 | Energy-saving remote controller for air conditioner |
| CN203761387U (en) * | 2013-12-12 | 2014-08-06 | 青岛东软载波科技股份有限公司 | Low-voltage power line carrier communication circuit based on OFDM mode modulation |
| CN204665579U (en) * | 2015-04-18 | 2015-09-23 | 青岛东软载波智能电子有限公司 | Based on the controlling system of central air conditioner of PLC carrier communication |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116778A (en) * | 2015-09-10 | 2015-12-02 | 青岛东软载波智能电子有限公司 | Dry contact conversion module and control system and method therefor |
| CN107576007A (en) * | 2017-10-12 | 2018-01-12 | 深圳市信锐网科技术有限公司 | A kind of method and system of tail end of central air conditioner control, management platform, thermostat |
| CN113531775A (en) * | 2021-07-27 | 2021-10-22 | 广东美的制冷设备有限公司 | Internal and external machine matching fault positioning method of air conditioner, air conditioner and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204152772U (en) | A kind of pump energy saving control gear | |
| CN102226566B (en) | Intelligent energy-conservation controller of air-conditioner and control method thereof | |
| CN204665579U (en) | Based on the controlling system of central air conditioner of PLC carrier communication | |
| CN104896686A (en) | Central air conditioning energy-saving control system based on PLC carrier wave communication | |
| CN203024344U (en) | Energy efficiency management and control system based on power line carrier for demand side of central air-conditioner | |
| CN203258795U (en) | Intelligent energy conservation system device for building | |
| CN208418939U (en) | A kind of Multifunctional air heater for bathroom wireless control system | |
| CN208735843U (en) | A kind of air conditioner energy saving automatic control system | |
| CN204421290U (en) | Conditioners running conditions checkout gear | |
| CN204494607U (en) | Heating intelligence control system | |
| CN205717757U (en) | A kind of central air-conditioning electricity-saving control system | |
| CN205540225U (en) | Building energy -saving control system based on APP | |
| CN205261843U (en) | Infrared centralized control split air conditioner temperature controller | |
| CN202734152U (en) | Energy-saving control device of split-type air conditioner | |
| CN106527307A (en) | System for monitoring energy consumption of industrial factories and mines | |
| CN202813650U (en) | Monitoring device for central air-conditioner fan coil energy conservation | |
| CN206094425U (en) | Intelligence air box panel | |
| CN106765530A (en) | One kind is based on Internet of Things energy-conserving and environment-protective heating control system | |
| CN104949259A (en) | Air-conditioner control system | |
| CN204329155U (en) | Public building energy heating control device | |
| CN202973434U (en) | Air-conditioner intelligent control equipment | |
| CN106766190A (en) | A kind of indoor water warm water amount adjustment control method based on mobile phone A PP | |
| CN205791800U (en) | There is energy consumption monitoring and the pedestal of remote power control function | |
| CN203928285U (en) | A kind of central air conditioner energy-saving control device | |
| CN205403064U (en) | Central air conditioning energy -saving control system based on human thermal comfort degree |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150909 |
|
| RJ01 | Rejection of invention patent application after publication |