CN102721141A - Control system and control method for direct-current brushless fan coil unit - Google Patents
Control system and control method for direct-current brushless fan coil unit Download PDFInfo
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- CN102721141A CN102721141A CN2012101793054A CN201210179305A CN102721141A CN 102721141 A CN102721141 A CN 102721141A CN 2012101793054 A CN2012101793054 A CN 2012101793054A CN 201210179305 A CN201210179305 A CN 201210179305A CN 102721141 A CN102721141 A CN 102721141A
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Abstract
The invention discloses a control system and a control method for a direct-current brushless fan coil unit. The control system comprises a plurality of line controllers and a plurality of drive controllers which are connected through networks, wherein each drive controller is connected with a direct-current brushless motor and an air conditioning part; each line controller is used for setting parameters and sending a line controller instruction to the selected drive controller; each drive controller is used for converting alternating current into direct current, controlling the running states of the direct-current brushless motor and the air conditioning part according to the line controller instruction, and feeding the running state information to each line controller; and the direct-current brushless motor drives the fan of the unit to run. The control method comprises the steps as follows: setting the machine type parameter and the user parameter of the fan coil unit in each line controller; sending the instruction to the selected drive controller; controlling the running states of the direct-current brushless motor and the air conditioning part according to the instruction by each drive controller; feeding the running state information to each line controller by each drive controller; and adjusting the instruction according to the running state information by each line controller.
Description
Technical field
The present invention relates to air-conditioning technical field, be specifically related to brush DC fan coil units control system and control method.
Background technology
Central air-conditioning is generally all installed in heavy construction such as hotel, mansion, and central air-conditioning power is big, usefulness is high, and is reliable and stable.Fan coil is the end equipment of central air conditioner system, and the fan coil of prior art adopts alternating current generator and coil pipe more, does not therefore have corresponding brush DC fan coil units control system and control method.
Summary of the invention
The technical problem that the present invention will solve provides a kind of brush DC fan coil units control system and control method.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be:
A kind of brush DC fan coil units is controlled system; Comprise a plurality of line control machines and a plurality of driving governor; Said line control machine links to each other through network with said driving governor, and each driving governor connects dc brushless motor and air supply rate, and said line control machine is used to set fan coil units type parameter and the concurrent line control machine that send of customer parameter instructs to selected said driving governor; Said driving governor is used for converting alternating current into direct current; Running according to said line control machine commands for controlling dc brushless motor and air supply rate feeds back to said line control machine with running state information, the operation of said driven by Brush-Less DC motor unit blower fan.
Described brush DC fan coil units is controlled system, and wherein said line control machine is through the selected said driving governor in IP address and send corresponding line control machine instruction.
Described brush DC fan coil units is controlled system; Wherein said driving governor comprises driven by Brush-Less DC motor module and air supply rate control module; Said driven by Brush-Less DC motor module links to each other with said dc brushless motor, and said air supply rate control module links to each other with a plurality of air supply rates.
Described brush DC fan coil units is controlled system, and wherein said air supply rate comprises humidifier, auxiliary heater, draining pump, host node, two/triple valve, warning device, sterilizing unit and electrostatic precipitator.
Described brush DC fan coil units is controlled system, and wherein said air supply rate also comprises leeway sensor, level sensor, temperature sensor and humidity sensor.
Described brush DC fan coil units control system, wherein said line control machine comprises central processing unit and wireless/bluetooth communication module, clock control module, network control module, air supply rate control module, long-range/gate inhibition's control module and data memory module.
Described brush DC fan coil units is controlled system, and wherein said line control machine also comprises human-machine interface module, backlight control module, temperature and humidity detection/control module and infrared data receiving processing module.
A kind of brush DC fan coil units control method comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, transmission line control machine instruct to selected driving governor;
A3, said driving governor are according to the running of said line control machine commands for controlling dc brushless motor and air supply rate;
A4, said driving governor feed back to said line control machine with running state information;
A5, said line control machine are adjusted instruction according to said running state information.
Described brush DC fan coil units control method, wherein said line control machine and said driving governor are through data communication line, wireless telecommunications or bluetooth communication swap data.
Described brush DC fan coil units control method, wherein said running state information comprise unit return air temperature, unit return air humidity, line control machine position temperature, line control machine position humidity and set heat exchange actuator temperature.
Beneficial effect of the present invention: the present invention sets fan coil units type parameter and customer parameter through line control machine through network connection control device and driving governor, can the rapid adjustment parameter to adapt to the change of type; Through IP Address Recognition driving governor; Can mate line control machine and driving governor fast, not need the change of hardware circuit, dc brushless motor and air supply rate are controlled simultaneously; Simplified control logic greatly, made The whole control system be very easy to realize.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 is brush DC fan coil units control system schematic of the present invention;
Fig. 2 is a driving governor sketch map of the present invention;
Fig. 3 is the air supply rate sketch map of the present invention by the control of air supply rate control module;
Fig. 4 forms sketch map for line control machine of the present invention;
Fig. 5 is a control method fire alarm functional flow diagram of the present invention;
Fig. 6 is a control method anti-frost protection functional flow diagram of the present invention;
Fig. 7 is a control method mid-game anti-frost protection functional flow diagram of the present invention;
Fig. 8 is the automatic temperature-controlled functional flow diagram of control method standby of the present invention;
Fig. 9 is the quick cold/heat supply functional flow diagram of control method of the present invention;
Figure 10 is a control method sleep function flow chart of the present invention.
The specific embodiment
According to accompanying drawing and embodiment the present invention is done further explain below:
Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4; Brush DC fan coil units control of the present invention system comprises a plurality of line control machines and a plurality of driving governor; Line control machine links to each other through network with driving governor, and each driving governor connects dc brushless motor and air supply rate, and line control machine sets fan coil units type parameter and the concurrent line control machine that send of customer parameter instructs to selected driving governor; Driving governor converts alternating current into direct current; Running according to line control machine commands for controlling dc brushless motor and air supply rate feeds back to line control machine with running state information, the operation of driven by Brush-Less DC motor unit blower fan.Line control machine is through the selected driving governor in IP address and send corresponding line control machine instruction.Driving governor comprises driven by Brush-Less DC motor module and air supply rate control module, and the driven by Brush-Less DC motor module links to each other with dc brushless motor, and the air supply rate control module links to each other with a plurality of air supply rates.Air supply rate comprises humidifier, auxiliary heater, draining pump, host node, two/triple valve, warning device, sterilizing unit and electrostatic precipitator.Air supply rate also comprises leeway sensor, level sensor, temperature sensor and humidity sensor.
Line control machine comprises central processing unit and wireless/bluetooth communication module, clock control module, network control module, air supply rate control module, long-range/gate inhibition's control module and data memory module.Line control machine also comprises human-machine interface module, backlight control module, temperature and humidity detection/control module and infrared data receiving processing module.
Wireless/bluetooth communication module: line control machine and driving governor are through data communication line, wireless telecommunications or bluetooth communication swap data.
Clock control module: calculate and handle date, week and time data, realization time, date, week show, regularly, and the calendar scheduling function.
Network control module: realize simple team control and BMS networking control through serial data communication, RS485 communication.
Air supply rate control module: functions such as the functional part according to the data analysis of temperature and humidity detection/control module, control air-conditioning is realized the refrigeration of air-conditioning, heats, blown, new wind, dehumidifying, humidification.Long-range/gate inhibition's control module: the remote on-off of realization blower fan unit is controlled or engaging the realization switching on and shutting down with gate control system controls.
Data memory module: the fault in the data of memory machine settings, user's setting data, the record running, record service data, and can add storage card through the storage card expansion slot and read and store data.
Human-machine interface module:, be presented on the screen through the related data of central processing unit with unit through line control machine touch-screen or button input user data.
Backlight control module: according to the temperature value that temperature detecting module detects, line control machine backlight presents cool tone or warm-toned variation; Adjust light and shade backlight according to whether the someone operates with the length of off time; Intensity adjustment light and shade backlight according to light.
Temperature and humidity detection/control module: detect unit return air temperature, humidity; Line control machine bottom temp, humidity; The set heat exchange actuator temperature; Outdoor temperature, humidity, and data are offered central processing unit handle.
Infrared data receiving processing module: receive the operational order of remote controller, and submit to central processing unit to handle.
Brush DC fan coil units control method of the present invention comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, transmission line control machine instruct to selected driving governor;
A3, said driving governor are according to the running of said line control machine commands for controlling dc brushless motor and air supply rate;
A4, said driving governor feed back to said line control machine with running state information;
A5, said line control machine are adjusted instruction according to said running state information.
Line control machine and driving governor are through wireless telecommunications or bluetooth communication swap data.Running state information comprises unit return air temperature, unit return air humidity, line control machine position temperature, line control machine position humidity and set heat exchange actuator temperature.
As shown in Figure 5, brush DC fan coil units control method of the present invention comprises the fire alarm function: unit the time detects return air temperature >=50 ℃ in standby (shutdown) and operation, continues 1 minute, compressor emergency shutdown, and on temperature controller, report to the police.
As shown in Figure 6, brush DC fan coil units control method of the present invention comprises the anti-frost protection function: when unit return air temperature-sensing probe temperature≤3 ℃, open for two control unit two-port valve V1; Open simultaneously for four control unit two-port valve V1, V2.This function comes into force under all patterns and standby (shutdown) state.
As shown in Figure 7, brush DC fan coil units control method mid-game anti-frost protection function of the present invention: when unit mid-game temperature-sensing probe temperature≤3 ℃, open for two control unit two-port valve V1; Open simultaneously for four control unit two-port valve V1, V2.This function comes into force under all patterns and standby (shutdown) state.
As shown in Figure 8, the automatic temperature-controlled function of brush DC fan coil units control method standby of the present invention: whether launch this function through the dial-up setting, when being set with the automatic temperature-controlled function of standby, temperature controller shows AutoON.Under standby (shutdown) pattern, when room temperature>=28 ℃, Auto Power On starts the cooling pattern, and wind speed low speed is established 26 ℃ of temperature; Temperature controller AutoON flicker if press on & off switch this moment, then gets into normal operation mode; If the end receives the on & off switch push, up to room temperature≤25 ℃, shutdown automatically.Under standby (shutdown) pattern, when room temperature≤17 ℃, Auto Power On starts heat supply mode, and wind speed low speed is established 20 ℃ of temperature; Temperature controller AutoON flicker if press on & off switch this moment, then gets into normal operation mode; If the end receives the on & off switch push, up to room temperature>=21 ℃, shutdown automatically.
As shown in Figure 9, the quick cold/heat supply function of brush DC fan coil units control method of the present invention: under the cooling pattern, return air and design temperature difference in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM.Rear motor was by 107% operation of setting rotating speed in 10 minutes.Under the cooling pattern, in 10S, 4 ℃＞return air temperature-design temperature, then rotating speed is carried out PI control.Under heat supply mode, return air and design temperature difference in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM.Rear motor was by 107% operation of setting rotating speed in 10 minutes.Under heat supply mode, in 10S, PI control is then carried out to rotating speed in return air temperature-design temperature＞-4 ℃.
Shown in figure 10; Brush DC fan coil units control method sleep function of the present invention: could start sleep function when getting into the cooling pattern; Sleep function shows that
design temperature raise 2 ℃ in proportion in 2 hours, finish sleep function after 2 hours.The highest design temperature of sleep function is 29 ℃, no longer raises during design temperature to 29 ℃, finishes sleep function.Sleep function finishes before the back keeps sleep function to finish temperature to be set.Finishing back icon
disappears.Start sleep function and get into (indoor light) countdown of turning off the light simultaneously, 20 minutes (can be provided with) of the countdown of turning off the light acquiescence turned off the light when countdown is 0.
Those skilled in the art do not break away from essence of the present invention and spirit; Can there be the various deformation scheme to realize the present invention; The above is merely the preferable feasible embodiment of the present invention; Be not so limit to interest field of the present invention, the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are done changes, and all is contained within the interest field of the present invention.
Claims (10)
1. a brush DC fan coil units is controlled system; It is characterized in that: comprise a plurality of line control machines and a plurality of driving governor; Said line control machine links to each other through network with said driving governor; Each driving governor connects dc brushless motor and air supply rate; Said line control machine is used to set fan coil units type parameter and the concurrent line control machine that send of customer parameter instructs to selected said driving governor, and said driving governor is used for converting alternating current into direct current, according to the running of said line control machine commands for controlling dc brushless motor and air supply rate; Running state information is fed back to said line control machine, the operation of said driven by Brush-Less DC motor unit blower fan.
2. brush DC fan coil units according to claim 1 is controlled system, it is characterized in that: said line control machine is through the selected said driving governor in IP address and send corresponding line control machine instruction.
3. brush DC fan coil units according to claim 2 is controlled system; It is characterized in that: said driving governor comprises driven by Brush-Less DC motor module and air supply rate control module; Said driven by Brush-Less DC motor module links to each other with said dc brushless motor, and said air supply rate control module links to each other with a plurality of air supply rates.
4. brush DC fan coil units according to claim 3 is controlled system, and it is characterized in that: said air supply rate comprises humidifier, auxiliary heater, draining pump, host node, two/triple valve, warning device, sterilizing unit and electrostatic precipitator.
5. brush DC fan coil units according to claim 4 is controlled system, and it is characterized in that: said air supply rate also comprises leeway sensor, level sensor, temperature sensor and humidity sensor.
6. brush DC fan coil units according to claim 2 control system is characterized in that: said line control machine comprises central processing unit and wireless/bluetooth communication module, clock control module, network control module, air supply rate control module, long-range/gate inhibition's control module and data memory module.
7. brush DC fan coil units according to claim 6 is controlled system, and it is characterized in that: said line control machine also comprises human-machine interface module, backlight control module, temperature and humidity detection/control module and infrared data receiving processing module.
8. a brush DC fan coil units control method is characterized in that, comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, transmission line control machine instruct to selected driving governor;
A3, said driving governor are according to the running of said line control machine commands for controlling dc brushless motor and air supply rate;
A4, said driving governor feed back to said line control machine with running state information;
A5, said line control machine are adjusted instruction according to said running state information.
9. brush DC fan coil units control method according to claim 8 is characterized in that: said line control machine and said driving governor are through data communication line, wireless telecommunications or bluetooth communication swap data.
10. brush DC fan coil units control method according to claim 9 is characterized in that: said running state information comprises unit return air temperature, unit return air humidity, line control machine position temperature, line control machine position humidity and set heat exchange actuator temperature.
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| CN201210179305.4A CN102721141B (en) | 2012-05-31 | 2012-05-31 | Control system and control method for direct-current brushless fan coil unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210179305.4A CN102721141B (en) | 2012-05-31 | 2012-05-31 | Control system and control method for direct-current brushless fan coil unit |
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| CN102721141A true CN102721141A (en) | 2012-10-10 |
| CN102721141B CN102721141B (en) | 2014-10-29 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104713207A (en) * | 2013-12-17 | 2015-06-17 | 约克广州空调冷冻设备有限公司 | Brushless direct current motor fan-coil unit and rotating speed control system and method thereof |
| CN104748319A (en) * | 2015-04-22 | 2015-07-01 | 珠海格力电器股份有限公司 | Multi-unit air conditioning system control method and device and multi-unit air conditioning system |
| CN105805889A (en) * | 2016-03-11 | 2016-07-27 | 珠海格力电器股份有限公司 | Control method and device for dry type fan coil unit |
| CN106160590A (en) * | 2016-07-23 | 2016-11-23 | 上海本家空调系统有限公司 | A kind of direct current brushless motor coil pipe |
| CN110017568A (en) * | 2019-04-18 | 2019-07-16 | 宁波奥克斯电气股份有限公司 | A kind of fan coil antifreeze control method, device and air conditioner |
| CN111486569A (en) * | 2020-04-29 | 2020-08-04 | 四川虹美智能科技有限公司 | Adjusting method and adjusting device for default wind speed of air conditioner, air conditioner and readable medium |
| CN113809954A (en) * | 2021-09-10 | 2021-12-17 | 常州市武进亚太机电配件有限公司 | Direct current brushless motor drive control system |
| CN116829879A (en) * | 2021-01-13 | 2023-09-29 | 大金工业株式会社 | Air conditioner and method for replacing functional parts |
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| CN110017568B (en) * | 2019-04-18 | 2021-02-02 | 宁波奥克斯电气股份有限公司 | Fan coil anti-freezing control method and device and air conditioner |
| CN111486569A (en) * | 2020-04-29 | 2020-08-04 | 四川虹美智能科技有限公司 | Adjusting method and adjusting device for default wind speed of air conditioner, air conditioner and readable medium |
| CN116829879A (en) * | 2021-01-13 | 2023-09-29 | 大金工业株式会社 | Air conditioner and method for replacing functional parts |
| CN116829879B (en) * | 2021-01-13 | 2024-02-06 | 大金工业株式会社 | Air conditioner and method for replacing functional parts |
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