CN1341829A - Concentrated control method of central air-conditioning system and its equipment - Google Patents

Concentrated control method of central air-conditioning system and its equipment Download PDF

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CN1341829A
CN1341829A CN 00122364 CN00122364A CN1341829A CN 1341829 A CN1341829 A CN 1341829A CN 00122364 CN00122364 CN 00122364 CN 00122364 A CN00122364 A CN 00122364A CN 1341829 A CN1341829 A CN 1341829A
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control
circuit
control device
central air
unit
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CN1107844C (en
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马进南
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Abstract

The present invention relates to a centralized control method of air-cooled heat pump medium-small-scale central air-conditioning system and its equipment, and is characterized by that it utilizes the automatic starting, operation, control and detection feedback of unit assembly to implement unified arrangement and operation of central air-conditioning system and on-line network intelligent group control so as to reduce scattered random operation of line controller/remote controller and implement timed constant value full-automatic control of central air-conditioning system. Its central control equipment includes chip microprocessor with control program and matched button, memory, power supply, display, network communication interface and protection unit. The operation of said contrul equipment can implement centrally-controlled all functions so as to raise air-conditioning quality and can save energy source.

Description

The centralized Control method and apparatus of central air conditioner system
The present invention relates to control technology, more particularly, relate to the centralized Control method and apparatus of the medium and small central air conditioner system of a kind of air-cooled heat pump.
At present, multilayer, skyscraper, large-scale restaurant, the public place of entertainment, factory, workshop, scientific research institutions, the demand of the middle-size and small-size central air-conditioning of villa and noble dwelling house is more and more, drive many indoor unit operations with an outdoor main frame, to save the installation cost, the operation of the middle-size and small-size central air-conditioning of this class control is now had plenty of the method that adopts simple unlatching simultaneously and close simultaneously and controls, and no matter in the room whether the people is arranged, though the employing unit that has is controlled but generally all is manual control, automaticity is not high, operation is wasted time and energy, when a certain unit need start or stop, or unmanned often can not immediately control when on the scene, cause the waste of the energy; Increased operating cost.
The object of the present invention is to provide the centralized Control method of the medium and small central air conditioner system of a kind of air-cooled heat pump, can realize the full-automation and the intelligent control of centering small central air conditioning system, improve quality, the sense of increase amenity of air conditioning, energy savings.
Another object of the present invention provides a kind of central control device of realizing above-mentioned control method, and only needing to carry out on control device the one-time programming operation can carry out full-automatic intelligent team control management to the middle-size and small-size central air-conditioning of air-cooled heat pump.
The object of the present invention is achieved like this: construct a kind of centralized Control method of air-cooled heat pump middle and small air conditioning systems, described control method comprises that unit starts operation control step automatically: the selected address that needs the programming Control unit on control device; The automatic transmitting time of control signal is set; Team control, line traffic control, the preferred rank of remote control are set; Service requirement setting operation function program by each unit 7 day every day of one week of year, month, day; Temperature when refrigerating operaton is set, humidity value show the value of setting and real side value on display screen during unit operation; Temperature when heating operation is set, humidity value show the value of setting and real side value on display screen during unit operation; Control device is by requirement timed sending every day control signal control unit operation is set;
Described control method also comprises operating detection FEEDBACK CONTROL step: control device is relatively exported the switching signal of controlling humidifier or dehumidifier in the back with the actual humidity detected value that feeds back with setting value; Temperature, humidity value when timesharing detects on-the-spot human-induced signal unmanned timed unit output delay switching-off signal and shows shutdown; Timesharing detects team control, line traffic control flag bit; The timesharing sensed luminance, temperature, humidity when output delay switching-off signal and demonstration are shut down when reaching setting value; Timesharing or with the controlled unit operation operating mode of button selective reception and show, the unit application of breaking down is interrupted control device and is received fault message immediately and send sound and light alarm, and shows fault mode and address.
Can adopt the button on the control device to send starting-up signal startup unit operation immediately as need in the start of time non-timed.Describedly team control, line traffic control, the preferred rank step of remote control are set comprise also that line traffic control/RPB operation removes and all preferentially determine line traffic control/remote control after wind speed is regulated operation, otherwise team control.
Another object of the present invention is achieved in that the central control device of the medium and small central air conditioner system of a kind of air-cooled heat pump of structure; comprise single chip circuit; also comprise and the input of single chip circuit, button input circuit, holding circuit, clock circuit, network communication serial interface circuit, memory circuit, the display circuit that delivery outlet is connected, and be connected with foregoing circuit respectively and the power circuit of working power is provided.
Described single chip circuit adopts the single-chip microcomputer of 89C51 model and crystal oscillator 616 to form, and is solidified with the control program of central air-conditioning central control device in single-chip microcomputer.
Described button input circuit comprises keyboard, a plurality of pull-up resistors that are connected with keyboard, keyboard drive integrated package and keyboard decoding integrated package.
Described memory circuit is made up of two big storage capacity integrated circuit blocks.Described display circuit is made up of a slice 80 * 80LCD display.Described network communication serial interface circuit is to adopt special IC to form 485 full duplex serial communication interfaces that meet international standard.
Implement in the air-cooled heat pump of the present invention, small central air conditioning centralized Control method and apparatus, can realize in the air-cooled heat pump, the on-line networkization of small central air conditioning system is intelligent cluster controlled, the dispersion that significantly reduces line control machine/remote controller is operated in a jumble, realize unified editing operation, the user can not start shooting in advance automatically to the scene and regulate indoor temperature, humidity, when leaving, the user forgets that shutdown can shut down automatically, the different dates, particular sections specifies Recognition and Programming to set supply air-conditioning etc. holiday, as long as an indoor set user demand is arranged in the system, outdoor main frame will start automatically, automatically regulate in conjunction with frequency conversion, system is moved under power down mode, overcome the moving full power consumption phenomenon of large-scale central air-conditioning standard-sized sheet.Central air conditioner system central control device provided by the invention can also be to the cold and hot pump frequency conversion of 16 typhoons air conditioning chamber's outdoor main unit nearly and 256 air conditioning terminal indoor sets (off-premises station multipotency drag 16 indoor fans); according to the group subregion; table interior seven day start/downtime every day of one week is set; the automatic shutdown of time-delay delay time when light-operated and thermal infrared (human body) induction detects nobody; simultaneously can be by indoor set operating condition in the real-time display control program of 80 * 80 LCD Panels; if any user's fault; the instant sound and light alarm of energy; show fault mode and unit position; thereby reach and both improve the air conditioning quality; increase the amenity sense, again the purpose of energy savings.
Below in conjunction with drawings and Examples, further specify the present invention.In the accompanying drawing:
Fig. 1 is the step block diagram of centralized Control method of the present invention;
Control software program flow chart when Fig. 2 is the unit refrigerating operaton;
Control software program flow chart when Fig. 3 is the unit heating operation;
Fig. 4 detects the FEEDBACK CONTROL software program flow chart;
Fig. 5 is the logic diagram of the central control device of central air conditioner system of the present invention;
Fig. 6 is the circuit theory diagrams of the central control device of central air conditioner system of the present invention.
With reference to Fig. 1-Fig. 4, centralized Control method according to the middle-size and small-size central air conditioner system of air-cooled heat pump provided by the invention, can adopt network intelligence team control management, described control method comprises that unit starts operation control step automatically: the selected address that needs the programming Control unit on control device; The present invention can control reaching 16 outdoor main frames and 256 indoor units, and the automatic transmitting time of control signal is set, and opens the air-conditioning available buttons as need in time non-timed and directly sends start signal; Team control, line traffic control, the preferred rank of remote control are set, can be arranged to all preferentially determine line traffic control/remote control after line traffic control/RPB operation removes wind speed adjusting operation, otherwise team control; Service requirement setting operation function program by each unit 7 day every day of one week of year, month, day; Temperature when refrigerating operaton is set, humidity value show the value of setting and real side value on display screen during unit operation, the control software program when being solidified with refrigerating operaton in single-chip microcomputer is seen Fig. 2; Temperature when heating operation is set, humidity value show the value of setting and real side value on display screen during unit operation, the control software program when being solidified with heating operation in single-chip microcomputer is seen Fig. 3; Control device is by requirement timed sending every day control signal control unit operation is set.
Described control method comprises that also operating detection FEEDBACK CONTROL step sees Fig. 1 and Fig. 4: control device is with the actual humidity detected value that feeds back and the setting value switching signal of back output control humidifier or dehumidifier relatively; Temperature, humidity value when timesharing detects on-the-spot human-induced signal unmanned timed unit output delay switching-off signal and shows shutdown; Timesharing detects team control, line traffic control flag bit; The timesharing sensed luminance, temperature, humidity when output delay switching-off signal and demonstration are shut down when reaching setting value; Timesharing or with the controlled unit operation operating mode of button selective reception and show, the unit application of breaking down is interrupted control device and is received fault message immediately and send sound and light alarm, and shows fault mode and address.
With reference to Fig. 5 and Fig. 6; the central control device of realizing the medium and small central air conditioner system of air-cooled heat pump of above-mentioned control method of the present invention comprises: power circuit 1, button input circuit 2, holding circuit 3, clock circuit 4, single-chip microcomputer microcomputer circuit 5, full duplex network communication interface circuit 6, memory circuit 7 and liquid crystal display circuit 8.
Power circuit 1 is made up of fuse 601, power supply electric smelting device 602, overcurrent protector 603, overvoltage protector 604, voltage-stablizer 605 (model is 7805) and wave filter 606 etc., and this circuit provides+the 5V working power to single-chip microcomputer microcomputer circuit 5 and other circuit.Simultaneously, also convert to ± usefulness of the power supply of the brilliant display circuit 8 of 10V voltage feed flow by voltage conversion circuit 607 (model is 7660) by+5V power supply.
Button input circuit 2 is a four lines five column matrix keyboards; by pull-up resistor 609; highly sensitive contact button 610; keyboard drive circuit 611 (model is the integrated circuit of 74L244) and keyboard decoding device 612 compositions such as (model are the integrated circuit of 74L138); by this keyboard table start/downtime every day on the seven in one week can be set; refrigerating/heating/system wind/dried function of making an uproar is selected; temperature; humidity value is set; high; in; low or regulate wind speed automatically and select; automatically the delay time of shutdown during no personnel's time delay in light-operated and thermal infrared (human body) the induction surveyed area; line traffic control/remote control allow/does not allow priority function to set; operating functions such as wind direction selection; simultaneously; can also utilize full duplex network communication interface circuit 6 controlled unit in central air conditioner system to send control operation instruction repertorie, the instant operating condition of receiving slave unit by keyboard operation.
Holding circuit 3 is models provides a kind of " house dog " function to single-chip microcomputer microcomputer circuit 5 for the protection special IC 613 of X25045; promptly when single-chip microcomputer microcomputer circuit 5 because during various interference " deadlock "; holding circuit 3 can reset automatically; and can preserve control operation information automatically, make the original duty of the very fast recovery of single-chip microcomputer microcomputer circuit 5.
Clock circuit 4 forms an accurate clock circuit by special clock integrated chip 614, provides required stable precision clock information to single-chip microcomputer microcomputer circuit 5, thus by year, month, day, the time, controlled plant in the minute, second fixed cycle operator control system.Wherein, the model of chip 614 is X1203.
Single-chip microcomputer microcomputer circuit 5 is that the single-chip microcomputer 615 of 87C51 and crystal oscillator 616 etc. are formed by model, single-chip microcomputer 615 is present 89C51 chip microprocessors of the most popular advanced person in the world, multiple functions such as memory A/D, I/O and D/A are arranged in the sheet, and crystal oscillator 616 provides accurate operating frequency to single-chip microcomputer 615.Single-chip microcomputer microcomputer circuit 5 also includes RESET reset circuit 617, provides the control information that resets to single chip microcomputer.
Network communication serial interface circuit 6 comprises that mainly model is 485 full duplex serial communication interfaces that meet international standard of special IC 621 formation of MAX487, maximum communication distance can reach 1000 meters, can transmit with the information of carrying out of controlled unit in the central air conditioner system, send the control operation programmed instruction, accept controlled unit operation operating mode, realize network team control intellectualized operation and management.
Memory circuit 7 is made up of big storage capacity integrated circuit 619 and 620 (model is 27256), in order to controlled unit in the storage central air conditioner system, can reach 16 outdoor main frames at most, 256 indoor set one all seven days control operation programs.
Liquid crystal display circuit 8 is a slice 80 * 80LCD displays 618, control according to single-chip microcomputer microcomputer circuit 5, display floater keyboard button operation in real time, show controlled unit operation operating mode in the central air conditioner system, state is opened/stopped to the demonstration unit, the refrigerating/heating/system wind/dried state of making an uproar, high, medium and low and automatic adjusting wind speed, displays temperature, humidity set point, numeral, Chinese, the graphical information of states such as shutdown delay time and clock automatically when measured value and nobody.When controlled unit fault, can show fault mode and fault machine group address in real time.
Fig. 1-Fig. 4 has provided the software program flow chart in the central control device of central air conditioner system of the present invention, and program is wherein all write by MCS-51 series assembly instruction, and solidifies in the single-chip microcomputer 89C51 of single-chip microcomputer microcomputer circuit 5 chip.
The centralized Control method and apparatus of central air conditioner system provided by the invention can be in the air-cooled heat pump frequency conversion; the small central air conditioning system carries out network intelligence team control management; can be to the cold and hot pump frequency conversion of 16 typhoons numerous air conditioning chamber outdoor main unit nearly and 256 air conditioning terminal indoor sets (off-premises station multipotency drag 16 indoor fans); according to the group subregion; table interior seven day start/downtime every day of one week is set; refrigerating/heating/system wind/dried function of making an uproar is selected; temperature; humidity value is set; high; in; low or regulate wind speed automatically and select; when light-operated and thermal infrared (human body) induction detects nobody; time-delay shutdown is automatically prolonged; line traffic control/remote control allow/does not allow priority function to set; operating functions such as wind direction selection; simultaneously can be by indoor set operating condition in the real-time display control program of 80 * 80 LCD Panels; if any user's fault, the instant sound and light alarm of energy; show fault mode and unit position.

Claims (9)

1, the centralized Control method of the medium and small central air conditioner system of a kind of air-cooled heat pump is characterized in that, comprises that unit starts operation control step automatically: the selected address that needs the programming Control unit on control device; The automatic transmitting time of control signal is set; Team control, line traffic control, the preferred rank of remote control are set; Service requirement setting operation function program by each unit 7 day every day of one week of year, month, day; Temperature when refrigerating operaton is set, humidity value show the value of setting and real side value on display screen during unit operation; Temperature when heating operation is set, humidity value show the value of setting and real side value on display screen during unit operation; Control device is by requirement timed sending every day control signal control unit operation is set;
Described control method also comprises operating detection FEEDBACK CONTROL step: by control device the actual humidity detected value that feeds back is relatively exported the switching signal of controlling humidifier or dehumidifier in the back with setting value; Temperature, humidity value when timesharing detects on-the-spot human-induced signal unmanned timed unit output delay switching-off signal and shows shutdown; Timesharing detects team control, line traffic control flag bit; The timesharing sensed luminance, temperature, humidity when output delay switching-off signal and demonstration are shut down when reaching setting value; Timesharing or with the controlled unit operation operating mode of button selective reception and show, the unit application of breaking down is interrupted control device and is received fault message immediately and send sound and light alarm, and shows fault mode and address.
2, according to the medium and small central air-conditioning centralized Control of the described air-cooled heat pump of claim 1 method, it is characterized in that, can adopt the button on the central control device to send starting-up signal startup unit operation immediately in the start of time non-timed.
3, according to the medium and small central air-conditioning centralized Control of the described air-cooled heat pump of claim 1 method, it is characterized in that, describedly team control, line traffic control, the preferred rank step of remote control are set comprise also that line traffic control/RPB operation removes and all preferentially determine line traffic control/remote control after wind speed is regulated operation, otherwise team control.
4, a kind of central control device of the medium and small central air conditioner system of air-cooled heat pump of centralized Control method according to claim 1 of realizing; comprise single chip circuit (5); it is characterized in that; also comprise and the input of single chip circuit (5), button input circuit (2), holding circuit (3), clock circuit (4), network communication serial interface circuit (6), memory circuit (7), the display circuit (8) that delivery outlet is connected, and be connected with foregoing circuit respectively and the power circuit (1) of working power is provided.
According to the described control device of claim 4, it is characterized in that 5, described single chip circuit (5) comprises the single-chip microcomputer and crystal oscillator 616 compositions of 89C51 model, in single-chip microcomputer, be solidified with the control program of central air-conditioning central control device.
According to the described control device of claim 4, it is characterized in that 6, described button input circuit comprises keyboard (610), a plurality of pull-up resistors (609) that are connected with keyboard, keyboard drive integrated package (611) and keyboard decoding integrated package (612).
According to the described control device of claim 4, it is characterized in that 7, described memory circuit (7) is made up of two big storage capacity integrated circuit blocks (619,620).
According to the described control device of claim 4, it is characterized in that 8, described display circuit (8) is made up of a slice 80 * 80LCD display.
According to the described control device of claim 4, it is characterized in that 9, described network communication serial interface circuit (6) is to adopt special IC (621) to form 485 full duplex serial communication interfaces that meet international standard.
CN 00122364 2000-09-07 2000-09-07 Concentrated control method of central air-conditioning system and its equipment Expired - Fee Related CN1107844C (en)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235731A (en) * 2010-04-27 2011-11-09 苏州市新瑞奇节电科技有限公司 Embedded central air-conditioning energy-saving system
CN102313333A (en) * 2010-07-05 2012-01-11 珠海格力电器股份有限公司 Air conditioner abnormal information prompting method and device
CN102401449A (en) * 2010-08-27 2012-04-04 亨特风扇公司 Thermostat
CN103423834A (en) * 2012-05-25 2013-12-04 珠海格力电器股份有限公司 Control method for air conditioner running time
CN103807981A (en) * 2014-03-13 2014-05-21 重庆大学 Word prompting system for temperature of air conditioner
CN103994560A (en) * 2014-06-18 2014-08-20 青岛大学 Temperature follow-up type energy-saving air conditioning system
CN104460636A (en) * 2014-12-25 2015-03-25 李钢 Concentrated air conditioner system controller
CN104566844A (en) * 2013-10-18 2015-04-29 宁夏先锋软件有限公司 Central air conditioner energy-saving unit
CN104990209A (en) * 2015-06-16 2015-10-21 广东美的暖通设备有限公司 Central air conditioner, failure query method of central air conditioner, and wire controller of central air conditioner
CN106288148A (en) * 2016-08-02 2017-01-04 北京赛易科信息技术有限公司 A kind of split-type air conditioner centralized Control methods, devices and systems
CN110701734A (en) * 2019-08-28 2020-01-17 珠海格力电器股份有限公司 Air conditioner key control method, computer readable storage medium and air conditioner

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CN100385177C (en) * 2005-06-30 2008-04-30 深圳市奥宇控制***有限公司 Small size central air conditioning network controller
CN101398682B (en) * 2007-09-27 2010-11-03 项珏 Split type or integral air conditioner cluster network centralization of management control device and method

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102235731A (en) * 2010-04-27 2011-11-09 苏州市新瑞奇节电科技有限公司 Embedded central air-conditioning energy-saving system
CN102313333B (en) * 2010-07-05 2014-12-24 珠海格力电器股份有限公司 Air conditioner abnormal information prompting method and device
CN102313333A (en) * 2010-07-05 2012-01-11 珠海格力电器股份有限公司 Air conditioner abnormal information prompting method and device
CN102401449A (en) * 2010-08-27 2012-04-04 亨特风扇公司 Thermostat
CN103423834A (en) * 2012-05-25 2013-12-04 珠海格力电器股份有限公司 Control method for air conditioner running time
CN104566844A (en) * 2013-10-18 2015-04-29 宁夏先锋软件有限公司 Central air conditioner energy-saving unit
CN103807981A (en) * 2014-03-13 2014-05-21 重庆大学 Word prompting system for temperature of air conditioner
CN103994560A (en) * 2014-06-18 2014-08-20 青岛大学 Temperature follow-up type energy-saving air conditioning system
CN103994560B (en) * 2014-06-18 2016-07-06 青岛大学 A kind of temperature trailing type energy-saving air conditioning system
CN104460636A (en) * 2014-12-25 2015-03-25 李钢 Concentrated air conditioner system controller
CN104990209A (en) * 2015-06-16 2015-10-21 广东美的暖通设备有限公司 Central air conditioner, failure query method of central air conditioner, and wire controller of central air conditioner
CN104990209B (en) * 2015-06-16 2018-09-07 广东美的暖通设备有限公司 The failure enquiry method of central air-conditioning, the line control machine of central air-conditioning and central air-conditioning
CN106288148A (en) * 2016-08-02 2017-01-04 北京赛易科信息技术有限公司 A kind of split-type air conditioner centralized Control methods, devices and systems
CN106288148B (en) * 2016-08-02 2019-12-31 北京赛易科信息技术有限公司 Split type air conditioner centralized control method, device and system
CN110701734A (en) * 2019-08-28 2020-01-17 珠海格力电器股份有限公司 Air conditioner key control method, computer readable storage medium and air conditioner

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