CN104949259A - Air-conditioner control system - Google Patents
Air-conditioner control system Download PDFInfo
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- CN104949259A CN104949259A CN201410119798.1A CN201410119798A CN104949259A CN 104949259 A CN104949259 A CN 104949259A CN 201410119798 A CN201410119798 A CN 201410119798A CN 104949259 A CN104949259 A CN 104949259A
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- conditioning
- controller
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Classifications
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- 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
- F24F11/89—Arrangement or mounting of control or safety devices
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- 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
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention relates to an air-conditioner control system. The air-conditioner control system comprises a centralized controller and a decentralized controller installed nearby an air-conditioner; the centralized controller comprises a first communication unit and an adjustment and control unit; the decentralized controller comprises a second communication unit, a signal transmitter and a remote-control unit monitoring unit; the first communication unit transmits signals set by the adjustment and control unit to the second communication unit of the decentralized controller in a power line carrier mode, the second communication unit is used for receiving the signals of the first communication unit and transmitting the signals to the signal transmitter, the signal transmitter is used for controlling the air-conditioner by transmitting infrared signals, the remote-control unit monitoring unit is used for monitoring remote control signals transmitted by a user to the air-conditioner, and transmitting the monitored remote control signals back to the centralized controller. The control system conducts centralized management and control on the split air-conditioner through the centralized controller and the decentralized controller; meanwhile, the running temperature of the air-conditioner is automatically corrected according to monitoring data of the remote-control unit monitoring unit and system preset values, and the automation management level is promoted.
Description
Technical field
The present invention relates to a kind of control system, refer to a kind of air-conditioner control system especially.
Background technology
Climate warming trend is more and more significant, and especially in summer, continuous high temperature weather is constantly broken a record.Along with the raising of China's economic development and people's living standard, citizen have generally installed domestic air conditioning, and the whole nation is more than 300,000,000 multiple stage air-conditionings according to statistics.Air conditioning electricity proportion constantly increases, and air conditioner energy saving becomes a great problem of departments of government and air-conditioning manufacturer.Except government and air-conditioning manufacturer, ordinary populace also pays close attention to air conditioning energy consumption problem.
Existing air-conditioning major part carries out single control by the mode of in-plant manual infrared remote control, the behaviour in service of air-conditioning affects larger by individual factor, especially at the dispersing apparatus that the public places such as integrated mill, community, business club are many, main employing manually patrol schema management monitoring air-conditioning, management and control mode falls behind, automatic management level is low, not only causes the serious waste of energy resource, has more increased the weight of gerentocratic burden.Meanwhile, existing air-conditioning cannot detect the remote signal that user sends air-conditioning in time, and user arbitrarily can arrange the temperature of air-conditioning, causes the waste of the energy.
Summary of the invention
Therefore, be necessary to provide a kind of can the air-conditioner control system of intensive, automatic management.
A kind of air-conditioner control system, comprise Centralized Controller and be installed on the decentralized controller near air-conditioning, Centralized Controller comprises the first communication unit and regulation and control unit, decentralized controller comprises second communication unit, signal projector and remote controller monitoring unit, signal set by regulation and control unit is sent to the second communication unit of decentralized controller by this first communication unit by the mode of power carrier, this second communication unit for receive the first communication unit signal and by Signal transmissions to signal projector, this signal projector controls air-conditioning by launching infrared signal, this remote controller monitoring unit is used for remote signal that monitoring users sends air-conditioning and the remote signal listened to is returned to Centralized Controller.
Because decentralized controller and Centralized Controller are communicated by the mode of power carrier, thus Centralized Controller can be located at the position away from air-conditioning, realize connecting by existing electric power networks and each decentralized controller, further multiple stage air-conditioning is carried out to the object of concentrated remote control and regulation.Meanwhile, the remote signal that the air-conditioner control system of embodiment of the present invention can send air-conditioning according to remote controller monitoring unit monitor user ' according to the running temperature of preset value automatic calibration air-conditioning, effectively improve automatic management level.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the air-conditioner control system of one embodiment of the invention.
The electrical block diagram of the second communication unit that Fig. 2 is air-conditioner control system shown in Fig. 1.
Fig. 3 is the electrical block diagram of the signal projector of air-conditioner control system shown in Fig. 1.
The electrical block diagram of the remote controller monitoring unit that Fig. 4 is air-conditioner control system shown in Fig. 1.
Fig. 5 is the electrical block diagram of the current detecting unit of air-conditioner control system shown in Fig. 1.
Fig. 6 shows a kind of mode of operation schematic diagram of air-conditioner control system of the present invention.
Fig. 7 shows the another kind of mode of operation schematic diagram of air-conditioner control system of the present invention.
Main element symbol description
| Air-conditioning | 10 |
| Centralized Controller | 20 |
| First processing unit | 22 |
| Communication module | 23 |
| Regulation and control unit | 24 |
| Computer | 25 |
| First communication unit | 26 |
| Decentralized controller | 30 |
| Second processing unit | 31 |
| Temperature measurement unit | 32 |
| Second communication unit | 33 |
| Power supply | 34 |
| Signal projector | 35 |
| Remote controller monitoring unit | 36 |
| Current detecting unit | 37 |
| Output relay | 38 |
| Address module | 39 |
| Front end modulation amplifying circuit | 331 |
| Bandwidth-limited circuit | 332 |
| Power communication wafer | 333 |
| Mixting circuit | 351 |
| Infrared delivery header | 352 |
| Infrared receiving terminal | 361 |
| Demodulator circuit | 362 |
| Current transformer | 371 |
| Analog-digital converter | 372 |
Following detailed description of the invention will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Detailed description of the invention
Refer to Fig. 1, the air-conditioner control system of one embodiment of the invention is shown, it is preferred for controlling multiple split-type air conditioner 10 simultaneously, so that unified management and control.This air-conditioner control system comprises a Centralized Controller 20 and multiple decentralized controller 30 (only illustrating in figure).The all corresponding split-type air conditioner 10 of each decentralized controller 30 is arranged.
This Centralized Controller 20 comprises one first processing unit 22 and is electrically connected to regulation and control unit 24 and one first communication unit 26 of the first processing unit 22.This first processing unit 22 is preferably an arm processor, and it can run flush type LINUX system, thus the related data in process Centralized Controller 20.The computer 25 that this regulation and control unit 24 comprises a TCP/IP network communication module 23 and is connected with communication module 23.Be provided with air-conditioning regulation and control module in this computer 25, it can be set corresponding data by the operating personnel with rights of using, then the data of setting be sent in the first processing unit 22 by communication module 23.
Air-conditioning state display module, air-conditioning switch control module, air-conditioner temperature adjustment module, temporal events scheduler module, data record read module, event monitoring module and warning responder module etc. are integrated with in the middle of this regulation and control module.Air-conditioning state display module for showing the state of each air-conditioning 10 at present, the humidity around the temperature arranged as the switching on and shutting down situation of air-conditioning 10, air-conditioning 10, air-conditioning 10, particular location of air-conditioning 10 etc. information.Switch control module is for controlling the switching on and shutting down of air-conditioning 10.Temperature adjustment module is for regulating the temperature of air-conditioning 10.Temporal events scheduler module is used for the task of making a plan, and makes air-conditioning 10 according to task run, such as can first can set the switching on and shutting down time of air-conditioning 10, when reaching the switching on and shutting down time, automatically starting or closing air-conditioning 10, and without the need to manual intervention.Data record read module is used for the communication data (such as temperature value, switching on and shutting down time etc.) between record set middle controller and decentralized controller, checks so that follow-up.Event monitoring module is used for record set middle controller and the institute's event (such as certain decentralized controller 30 lose be connected) with Centralized Controller 20 between decentralized controller.Warning responder module is used for the abnormal event alarming to occurring, with call user's attention.
In the present embodiment, the first communication unit 26 is a carrier communication unit, and it comprises carrier communication transmission circuit and PLC protocol stack treatment circuit.Carrier communication transmission circuit meets EIA-709.1, the international standards such as EIA-709.2 and EN50065-1, and its inside is integrated with the softwares such as ANSI709.1 seven layer protocol, automatically routing self-adaption algorithm, to provide reliable network communication performance.Carrier communication protocol algorithm is integrated with in the middle of PLC protocol stack treatment circuit.The circuit performance index of the first communication unit 26 of the present invention is higher than international standard.For example, require in international standard that minor peaks was the impulse disturbances of 75 volts and received signal strength signal intensity when being only 1 millivolt each second 100, communication can normally be carried out.And the first communication unit 26 of the present invention can be the impulse disturbances of 380 volts in 1000 minor peaks per second and receive signal strength signal intensity is 1 millivolt and still can keep normal communication.
Centralized Controller 20 realizes the control to air-conditioning 10 by decentralized controller 30, or reads the status information of air-conditioning 10 by decentralized controller 30.In the present embodiment, each decentralized controller 30 is arranged near air-conditioning 10, compared to conventional art energy-saving controller is embedded in the internal circuit of air-conditioning 10, decentralized controller 30 is deployed in the outside of air-conditioning 10 without the need to transforming the internal structure of air-conditioning 10, the internal structure can not destroying original air-conditioning 10 makes each air-conditioning 10 meet the condition of all big enterprises' guarantee, save the maintenance cost of air-conditioning 10, effectively saved lower deployment cost simultaneously, and make deployment convenient and quick, this deployment way is not by the impact of space size in addition, flexibility is stronger.
Temperature measurement unit 32, one second communication unit 33, power supply 34, signal projector 35, remote controller monitoring unit 36, current detecting unit 37, output relay 38 and the address module 39 that this decentralized controller 30 comprises one second processing unit 31 and is electrically connected with this second processing unit 31 respectively.
This second processing unit 31 kernel is integrated with 8051 single-chip microcomputers, for the treatment of the related data in decentralized controller 30.Particularly, this second processing unit 31 reads the temperature information near air-conditioning 10 by temperature measurement unit 32, the duty of air-conditioning 10 is read by current detecting unit 37, carry out by remote controller monitoring unit 36 remote signal that monitor user ' sends air-conditioning 10, read the address information of air-conditioning 10 by address module 39.This second processing unit 31 realizes telecommunication (i.e. the transmitted in both directions of information) by second communication unit 33 and Centralized Controller 20.This second processing unit 31 controls On/Off or the temperature adjustment of air-conditioning 10 by signal projector 35, carries out pressure power-off by output relay 38 pairs of air-conditionings 10, in the present embodiment, forces the mode of power-off for operating a switch.
See also Fig. 2, this second communication unit 33 is a carrier communication unit, and it is connected with the first communication unit 26 of Centralized Controller 20 by existing power line.Carried out the transmission of settling signal by the mode of power line carrier between this Centralized Controller 20 and decentralized controller 30, this communication mode makes full use of the transmission that existing power line carrys out settling signal, without the need to again laying communication line, greatly reduce the cost of communication.
This second communication unit 33 comprises the front end modulation amplifying circuit 331, bandwidth-limited circuit 332 and the power communication wafer 333 that are connected in series.This front end modulation amplifying circuit 331 is connected by power line with the first communication unit 26, and this power communication wafer 333 is electrically connected with the second processing unit 31.
When Centralized Controller 20 reads the status information of air-conditioning 10 by decentralized controller 30, Centralized Controller 20 sends a request signal by the mode of power line carrier to the second communication unit 33 of decentralized controller 30, request signal passes to power communication wafer 333 and decodes after bandwidth-limited circuit 332 filtering of second communication unit 33, a request instruction is obtained after having decoded, and this request instruction is sent to the second processing unit 31, second processing unit 31 reads the status information of air-conditioning 10 according to request instruction and status information (data) is passed to power communication wafer 333 encodes, a signal is produced after coding, this signal is sent to power line and passes back to Centralized Controller 20 after front end modulation amplifying circuit 331 amplifies, complete a communication process.
This temperature measurement unit 32 comprises a temperature sensor, and it is for gathering the temperature information near air-conditioning 10.The metrical error of this temperature measurement unit 32 is 0.5 degree, and limit error is 1 degree.Understandably, this decentralized controller 30 also can also can comprise other auxiliary induction equipment of such as light sensor, sound transducer, humidity sensor etc., to monitor the environment near air-conditioning 10 with multi-angle.
This power supply 34 provides the electric energy required for work for decentralized controller 30.This power supply 34 is a DC-AC conversion device, for by civil power (such as, the civil power of China is the alternating current of 220 volts) be converted to the direct current of 12 volts and the direct current of 3.3 volts, wherein the front end modulation amplifying circuit 331 of direct current supply second communication unit 33 of 12 volts uses, and the direct current supplying temperature measuring unit 32 of 3.3 volts, signal projector 35, remote controller monitoring unit 36, current detecting unit 37, output relay 38 and address module 39 use.
Refer to Fig. 3, this signal projector 35 comprises the mixting circuit 351 and infrared delivery header 352 that are connected in series.This mixting circuit 351 is electrically connected with the second processing unit 31.The operation principle of signal projector 35 is as follows: the control signal that Centralized Controller 20 sends is sent to the second communication unit 33 of decentralized controller 30 by the mode of power line carrier, second communication unit 33 obtains a control instruction after decoding and this control instruction is sent to the second processing unit 31, this second processing unit 31 produces an infrared control instruction after receiving this control instruction, and this infrared control instruction is sent to mixting circuit 351 carries out mixing, produce an infrared remote-controlled signal after mixing and by infrared delivery header 352, infrared remote-controlled signal be sent to neighbouring air-conditioning 10, thus the control realized air-conditioning 10.
Refer to Fig. 4, the remote signal that this remote controller monitoring unit 36 sends air-conditioning 10 for monitor user ', comprise switching on and shutting down signal and temperature conditioning signal that monitor user ' sends neighbouring air-conditioning 10.
This remote controller monitoring unit 36 comprises the infrared receiving terminal 361 and demodulator circuit 362 that are connected in series.This demodulator circuit 362 is electrically connected with the second processing unit 31.The operation principle of remote controller monitoring unit 36 is as follows: the remote signal that remote controller monitoring unit 36 Real-Time Monitoring user sends air-conditioning 10, after infrared receiving terminal 361 receives the remote signal that user sends air-conditioning 10, this remote signal gives demodulator circuit 362 demodulation after shaping, obtain a signal instruction after demodulation completes and send the second processing unit 31 to, the data just comprised in signal instruction after second processing unit 31 receives this signal instruction are passed to second communication unit 33 and are encoded, a monitoring signal is obtained after coding, this monitoring signal transfers back to Centralized Controller 20 by the mode of power line carrier, complete a snoop procedure.
Refer to Fig. 5, this current detecting unit 37, for judging the duty of air-conditioning 10, comprises whether the on-off state of air-conditioning, compressor and fan normally work, whether refrigerant is not enough.This current detecting unit 37 comprises the current transformer 371 and analog-digital converter 372 that are connected in series.The operation principle of this current detecting unit 37 is as follows: this current transformer 371 detects in real time the current signal of air-conditioning 10 and current signal is converted to voltage signal and passes to analog-digital converter 372, voltage signal is converted to data signal and passes to the second processing unit 31 and processes by analog-digital converter 372, the signal processed is fed back to Centralized Controller 20 by the mode of power line carrier by the second processing unit 31, the signal of Centralized Controller 20 to feedback carries out treatment and analysis, and make adjustment according to the duty of result to air-conditioning 10 analyzed, such as On/Off air-conditioning 10 or pressure power operation is carried out to air-conditioning 10.
This output relay 38 is connected between this second processing unit 31 and power line of air-conditioning 10.This second processing unit 31 carries out pressure power-off by output relay 38 pairs of air-conditionings 10, avoids the wasting of resources behavior because user is unreasonable or Misuse air-conditioning 10 causes.
This address module 39 is for distributing a fixing physical address and a logical address for each air-conditioning 10.Centralized Controller 20 inquires the particular location residing for each air-conditioning 10 by the address module 39 of each decentralized controller 30 and is presented on the computer 25 of Centralized Controller 20.When decentralized controller 30 or air-conditioning 10 damage need repairing, the associative operation personnel conveniently with rights of using search.
Referring to Fig. 6, is a kind of mode of operation schematic diagram of air-conditioner control system of the present invention.During work, air-conditioner control system is first by the remote signal that remote controller monitoring unit 36 monitoring users sends, and the remote signal received is fed back to Centralized Controller 20 by this remote controller monitoring unit 36.Centralized Controller 20 judges whether this remote signal is start-up command, if remote signal is not start-up command, just needs to determine whether temperature adjustment instructions further, if remote signal is start-up command, also need to judge whether this start-up command performs in the non-default time period, if start-up command performs in preset time period, then return previous step to continue to monitor, if start-up command is opened in non-preset time period, then Centralized Controller 20 sends a control signal by the mode of power line carrier to second communication unit 33, second communication unit 33 is decoded after receiving control signal, rear formation control instruction of having decoded also is passed to the second processing unit 31 and is processed, then the second processing unit 31 carries out pressure power-off by output relay 38 pairs of air-conditionings 10.
For example, the available machine time section of such as systemic presupposition is 09:00-19:00, remote signal is sent at 20:00 to air-conditioning 10 when remote controller monitoring unit 36 listens to user, learn that this remote signal is an instruction of opening air-conditioning 10 by analysis, then Centralized Controller 20 carries out pressure power-off by output relay 38 pairs of air-conditionings 10, or systemic presupposition in the fall (such as September and October) do not allow open air-conditioning 10, when remote controller monitoring unit 36 listen to user open air-conditioning 10 in the fall time, then Centralized Controller 20 carries out pressure power-off by output relay 38 pairs of air-conditionings 10, so can effective economize energy.
When Centralized Controller 20 judges that remote signal is temperature adjustment instructions, then judge that (this normal temperature is defined as the temperature of optimum human body in corresponding season for remote control set temperature and normal temperature, such as definition normal temperature in summer is 26 degree, definition normal temperature in winter is 18 degree) difference whether be greater than the first preset value (this first preset value be the absolute value that the acceptable user of normal temperature and administrative provisions sets the difference of numerical value, the same example, if the limit of the cryogenic temperature of administrative provisions acceptable user's setting in summer is 24 degree, the limit heating temperature of administrative provisions acceptable user's setting in winter is 20 degree, then first preset value in summer and winter is 2), when the difference of remote control set temperature and normal temperature is less than the first preset value, then turn back to monitoring step.When the difference of remote control set temperature and normal temperature is greater than the first preset value, then whether Centralized Controller 20 detects air-conditioning 10 by current detecting unit 37 and opens, if air-conditioning 10 is not opened, then turns back to monitoring step.When the difference of remote control set temperature and normal temperature is greater than the first preset value and air-conditioning 10 is opened, (this second preset value is that normal temperature and administrative provisions forbid user to set the absolute value of the difference of numerical value then to judge the difference of remote control set temperature and normal temperature whether to be greater than the second preset difference value further, the cryogenic temperature that such as administrative provisions forbid user to set summer is below 20 degree, what administrative provisions forbade user to set winter heats temperature more than more than 22 degree, then the second preset value is 4), if judged result is the difference of remote control set temperature and normal temperature be less than the second preset difference value, then Centralized Controller 20 sends control signal by signal projector 35 to air-conditioning 10, the temperature of air-conditioning 10 is adjusted to normal temperature.When the difference of remote control set temperature and normal temperature is greater than the second preset difference value, the temperature severely subnormal around air-conditioning 10 is described, Centralized Controller 20 forces power-off by output relay 38 pairs of air-conditionings 10.
For example, summer, human body felt that pleasant temperature is between 24 degree to 28 degree, the normal temperature (optimal temperature) in summer is 26 degree, but the lowest refrigerating temperature in administrative provisions summers is preferably not less than 24 degree and regulation forbids cryogenic temperature to be set to less than 20 degree, first preset value is the difference 2 degree of the lowest refrigerating temperature of normal temperature and administrative provisions, the difference 4 degree of the second preset value to be normal temperature with management forbid temperature set.If air-conditioning 10 is opened, and the difference (absolute value) of the cryogenic temperature that set by remote signal of user and normal temperature is greater than 2 degree is less than 4 degree, then Centralized Controller 20 sends a control signal by signal projector 35 to air-conditioning 10, and the temperature of air-conditioning 10 is adjusted to normal temperature 24.If air-conditioning 10 is opened, and the difference (absolute value) of the cryogenic temperature that set by remote signal of user and normal temperature is greater than 4 degree, illustrate that the temperature value of remote control setting is lower than managing the temperature value forbidding to set, now Centralized Controller 20 forces power-off by output relay 38 pairs of air-conditionings 10, and the situation effectively avoiding user to waste resource occurs.
The pleasant temperature of humans during winter months's somatosensory is between 16 degree to 20 degree, the normal temperature (optimal temperature) in winter is set as 18 degree, but administrative provisions winters the highest heats temperature and is no more than 20 degree and regulation is forbidden to be set to more than 22 degree by heating temperature, first preset value is the highest difference (absolute value) 2 degree heating temperature of normal temperature and administrative provisions, and the second preset value is the difference (absolute value) 4 degree heating temperature that normal temperature and management are forbidden to set.If air-conditioning 10 is opened, and user is greater than 2 degree by the difference heating temperature and normal temperature that remote signal sets is less than 4 degree, then Centralized Controller 20 sends a control signal by signal projector 35 to air-conditioning 10, the temperature of air-conditioning 10 is adjusted to normal temperature 18 degree.If air-conditioning 10 is opened, and user is greater than 4 degree by the difference heating temperature and normal temperature that remote signal sets, illustrate that the temperature value of remote control setting is higher than managing the temperature value forbidding to set, now Centralized Controller 20 forces power-off by output relay 38 pairs of air-conditionings 10, and the situation effectively avoiding user to waste resource occurs.
Referring to Fig. 7, is the another kind of mode of operation schematic diagram of air-conditioner control system of the present invention.During work, first air-conditioner control system reads the temperature near air-conditioning 10 by temperature measurement unit 32, then temperature value is fed back to Centralized Controller 20 by power line.Centralized Controller 20 judges whether the difference of temperature value near air-conditioning 10 and normal temperature is greater than the first preset difference value, if the temperature value near air-conditioning 10 and the difference of normal temperature are less than the first preset difference value, then turn back to previous step and continue to measure the temperature around air-conditioning 10.
Temperature around air-conditioning 10 and the difference of normal temperature are greater than the first preset value and air-conditioning 10 is opened, then Centralized Controller 20 sends control signal by signal projector 35 to air-conditioning 10, and air-conditioning 10 is adjusted to normal temperature.
For example, summer, human body felt that pleasant temperature is between 24 degree to 28 degree, the normal temperature (optimal temperature) in summer is 26 degree, but the lowest refrigerating temperature in administrative provisions summers is preferably not less than 24 degree, and the first preset value is the difference 2 degree of the lowest refrigerating temperature of normal temperature and administrative provisions.If air-conditioning 10 is opened, and the difference (absolute value) of the temperature recorded by temperature measurement unit 32 and normal temperature is greater than 2 degree, the temperature that such as temperature measurement unit 32 records is 23 degree or 29 degree, then Centralized Controller 20 sends a control signal by signal projector 35 to air-conditioning 10, the temperature of air-conditioning 10 is regulated, adjust to normal temperature 26 degree, realize the automatic adjustment of temperature, summer temp is remained between 24 degree to 28 degree.
The pleasant temperature of humans during winter months's somatosensory is between 16 degree to 20 degree, the normal temperature (optimal temperature) in winter is set as 18 degree, the the highest of administrative provisions winters heats temperature preferably not higher than 20 degree, and the first preset value is the highest difference (absolute value) 2 degree heating temperature of normal temperature and administrative provisions.If air-conditioning 10 is opened, and the difference of the temperature recorded by temperature measurement unit 32 and normal temperature is greater than 2 degree, the temperature that such as temperature measurement unit 32 records is 21 degree or 15 degree, then Centralized Controller 20 sends a control signal by signal projector 35 to air-conditioning 10, the temperature of air-conditioning 10 is regulated, adjust to normal temperature 18 degree, realize the automatic adjustment of temperature, winter temperature is remained between 16 degree to 20 degree.
Air-conditioner control system in embodiment of the present invention includes Centralized Controller 20 and is arranged at the decentralized controller 30 near air-conditioning 10, thus utilize the remote-control of total score control mode realization to multiple split-type air conditioner 10, set automatic switching time and the temperature adjustment of air-conditioning 10 as by regulation and control unit 24, thus realize unattended object.
Secondly, the air-conditioner control system of embodiment of the present invention can preset the cooling and warming limit value of air-conditioning 10, on the one hand the air-conditioner control system of the present invention remote signal that can send air-conditioning 10 according to remote controller monitoring unit 36 monitoring users according to the running temperature of preset value automatic calibration air-conditioning; On the other hand, the work state information of the temperature value that air-conditioner control system of the present invention can detect in real time according to temperature measurement unit 32 and the air-conditioning 10 that current detecting unit 37 detects controls temperature or the switching on and shutting down of air-conditioning, reaches full automation and energy-conservation object.
Again, the telecommand of the remote control signal analysis user setting that the air-conditioner control system of embodiment of the present invention can be listened to by remote controller monitoring unit 36, air-conditioning 10 is opened for the non-predetermined period, or when scheduled time slot opens air-conditioning 10 but the temperature of air-conditioning 10 arranges too high or too low by violation administrative provisions, system carries out pressure power-off (operating a switch) by output relay 38 pairs of air-conditionings 10, effectively avoid making due to personal like air-conditioning 10 occur arbitrarily opening air-conditioning or air-conditioner temperature is arranged too high/too low situation occurs, thus effectively save electric energy.
In addition, temperature, humidity, address information and the abnormal conditions around each air-conditioning 10 also can be presented on screen by the air-conditioner control system of embodiment of the present invention in real time, thus facilitate user's unified management and maintenance.
Claims (12)
1. an air-conditioner control system, it is characterized in that: comprise Centralized Controller and be installed on the decentralized controller near air-conditioning, Centralized Controller comprises the first communication unit and regulation and control unit, decentralized controller comprises second communication unit, signal projector and remote controller monitoring unit, signal set by regulation and control unit is sent to the second communication unit of decentralized controller by this first communication unit by the mode of power carrier, this second communication unit for receive the first communication unit signal and by Signal transmissions to signal projector, this signal projector controls air-conditioning by launching infrared signal, this remote controller monitoring unit is used for remote signal that monitor user ' sends air-conditioning and the remote signal monitored is returned to Centralized Controller to regulate and control air-conditioning by second communication unit.
2. air-conditioner control system as claimed in claim 1, it is characterized in that: Centralized Controller also comprises with the first communication unit and regulates and controls the first processing unit that unit is electrically connected, the first processing unit is used for being transferred to the first communication unit by after the signal transacting of regulation and control unit.
3. air-conditioner control system as claimed in claim 1, it is characterized in that: decentralized controller also comprises the second processing unit be electrically connected with the first communication unit and signal projector, the second processing unit is transferred to signal projector after being used for the signal transacting received by second communication unit.
4. air-conditioner control system as claimed in claim 3, it is characterized in that: decentralized controller also comprises the current detecting unit be electrically connected with the second processing unit, current detecting unit is for judging the duty of air-conditioning.
5. air-conditioner control system as claimed in claim 4, it is characterized in that: this current detecting unit comprises current transformer and analog-digital converter, the analog-digital converter of this current detecting unit is electrically connected with the second processing unit.
6. air-conditioner control system as claimed in claim 3, it is characterized in that: this decentralized controller also comprises the temperature measurement unit be electrically connected with the second processing unit, this temperature measurement unit is for measuring the temperature around air-conditioning.
7. air-conditioner control system as claimed in claim 3, is characterized in that: decentralized controller also comprises the power supply be electrically connected with the second processing unit, and this power supply provides electric energy needed for work for decentralized controller.
8. air-conditioner control system as claimed in claim 3, it is characterized in that: decentralized controller also comprises the address module be electrically connected with the second processing unit, this address module is for recording the address information of air-conditioning.
9. air-conditioner control system as claimed in claim 3, it is characterized in that: second communication unit comprises front end modulation amplifying circuit, bandwidth-limited circuit and power communication wafer, the power communication wafer of this second communication unit is electrically connected with the second processing unit.
10. air-conditioner control system as claimed in claim 3, it is characterized in that: remote controller monitoring unit comprises infrared receiving terminal and demodulator circuit, the demodulator circuit of this remote controller monitoring unit is electrically connected with the second processing unit.
11. air-conditioner control systems as claimed in claim 3, is characterized in that: this signal projector comprises mixting circuit and infrared delivery header, and this mixting circuit is electrically connected with the second processing unit.
12. air-conditioner control systems as claimed in claim 1, is characterized in that: decentralized controller is installed on air-conditioning outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410119798.1A CN104949259B (en) | 2014-03-26 | 2014-03-26 | Air-conditioner control system |
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| CN111583612A (en) * | 2020-04-15 | 2020-08-25 | 广州欧创智能科技有限公司 | Air conditioner actuator and control method thereof |
| CN112097371A (en) * | 2020-10-14 | 2020-12-18 | 烟台鼎钰电子科技有限公司 | Central air-conditioning host control system realized based on distributed unit controller |
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