CN102721141B - 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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- CN102721141B CN102721141B CN201210179305.4A CN201210179305A CN102721141B CN 102721141 B CN102721141 B CN 102721141B CN 201210179305 A CN201210179305 A CN 201210179305A CN 102721141 B CN102721141 B CN 102721141B
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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 direct current brushless motor coiler set control system and control method.
Background technology
Central air-conditioning is generally all installed in the heavy construction such as hotel, mansion, and central air-conditioning power is large, usefulness is high, 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, therefore there is no corresponding direct current brushless motor coiler set control system and control method.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of direct current brushless motor coiler set control system and control method.
The present invention solves the problems of the technologies described above adopted technical scheme to be:
A kind of direct current brushless motor coiler set control system, comprise a plurality of line control machines and a plurality of driving governor, described line control machine is connected by network with described driving governor, each driving governor connects DC brushless motor and air supply rate, for setting, fan coil units type parameter and customer parameter are concurrent send line control machine instruction to selected described driving governor to described line control machine, described driving governor is for being converted to direct current by alternating current, according to described line control machine instruction, control the running of DC brushless motor and air supply rate, running state information is fed back to described line control machine, the operation of described driven by Brush-Less DC motor unit blower fan.
Described direct current brushless motor coiler set control system, wherein said line control machine is by the selected described driving governor in IP address and send corresponding line control machine instruction.
Described direct current brushless motor coiler set control system, wherein said driving governor comprises driven by Brush-Less DC motor module and air supply rate control module, described driven by Brush-Less DC motor module is connected with described DC brushless motor, and described air supply rate control module is connected with a plurality of air supply rates.
Described direct current brushless motor coiler set control system, wherein said air supply rate comprises humidifier, auxiliary heater, draining pump, host node, two/triple valve, warning device, sterilizing unit and electrostatic precipitator.
Described direct current brushless motor coiler set control system, wherein said air supply rate also comprises leeway sensor, level sensor, temperature sensor and humidity sensor.
Described direct current brushless motor coiler set 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/access control module and data memory module.
Described direct current brushless motor coiler set control system, 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 direct current brushless motor coil pipe unit control method, comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, the instruction of transmission line control machine are to selected driving governor;
A3, described driving governor are controlled the running of DC brushless motor and air supply rate according to described line control machine instruction;
A4, described driving governor feed back to described line control machine by running state information;
A5, described line control machine are adjusted instruction according to described running state information.
Described direct current brushless motor coil pipe unit control method, wherein said line control machine and described driving governor are by data communication line, wireless telecommunications or bluetooth communication swap data.
Described direct current brushless motor coil pipe unit control method, wherein 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.
Beneficial effect of the present invention: the present invention is by network connection control device and driving governor, by line control machine, set fan coil units type parameter and customer parameter, can rapid adjustment parameter to adapt to the change of type, by IP Address Recognition driving governor, can Rapid matching line control machine and driving governor, do not need the change of hardware circuit, DC brushless motor and air supply rate are controlled simultaneously, greatly simplified control logic, made whole control system be very easy to realize.
Accompanying drawing explanation
The present invention includes following accompanying drawing:
Fig. 1 is direct current brushless motor coiler set control system schematic diagram of the present invention;
Fig. 2 is driving governor schematic diagram of the present invention;
Fig. 3 is the air supply rate schematic diagram that the present invention is controlled by air supply rate control module;
Fig. 4 is that line control machine of the present invention forms schematic diagram;
Fig. 5 is control method fire alarm functional flow diagram of the present invention;
Fig. 6 is control method anti-frost protection functional flow diagram of the present invention;
Fig. 7 is control method mid-game anti-frost protection functional flow diagram of the present invention;
Fig. 8 is control method standby automatic temperature control function flow chart 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 control method sleep function flow chart of the present invention.
The specific embodiment
According to drawings and embodiments the present invention is described in further detail below:
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, direct current brushless motor coiler set control system of the present invention comprises a plurality of line control machines and a plurality of driving governor, line control machine is connected by network with driving governor, each driving governor connects DC brushless motor and air supply rate, line control machine setting fan coil units type parameter and customer parameter are concurrent send line control machine instruction to selected driving governor, driving governor is converted to direct current by alternating current, according to line control machine instruction, control the running of DC brushless motor and air supply rate, running state information is fed back to line control machine, the operation of driven by Brush-Less DC motor unit blower fan.Line control machine is by 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 driven by Brush-Less DC motor module is connected with DC brushless motor, and air supply rate control module is connected 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/access 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 by data communication line, wireless telecommunications or bluetooth communication swap data.
Clock control module: calculate and process date, week and time data, realizing time, date, show in week, regularly, calendar scheduling function.
Network control module: realize simple team control and BMS networking control by serial data communication, RS485 communication.
Air supply rate control module: according to the data analysis of temperature and humidity detection/control module, the functional part of controlling air-conditioning realize air-conditioning refrigeration, heat, blow, the function such as new wind, dehumidifying, humidification.Long-range/access control module: realize the remote on-off control of blower fan unit or engage with gate control system and realize switching on and shutting down control.
Data memory module: data, the user's setting data that storage unit is set, record fault in running, record service data, and can add storage card by storage card expansion slot and read and store data.
Human-machine interface module: by line control machine touch-screen or key-press input user data, through central processing unit, the related data of unit is presented on screen.
Backlight control module: the temperature value detecting according to temperature detecting module, line control machine backlight presents cool tone or warm-toned variation; According to whether someone operates with the length of off time, adjust light and shade backlight; According to the intensity of light, adjust light and shade backlight.
Temperature and humidity detection/control module: detect unit return air temperature, humidity; Line control machine bottom temp, humidity; Set heat exchange actuator temperature; Outdoor temperature, humidity, and data are offered to central processing unit processing.
Infrared data receiving processing module: receive the operational order of remote controller, and submit to central processing unit to process.
Direct current brushless motor coil pipe unit control method of the present invention, comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, the instruction of transmission line control machine are to selected driving governor;
A3, described driving governor are controlled the running of DC brushless motor and air supply rate according to described line control machine instruction;
A4, described driving governor feed back to described line control machine by running state information;
A5, described line control machine are adjusted instruction according to described running state information.
Line control machine and driving governor are by 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, direct current brushless motor coil pipe unit control method of the present invention comprises fire alarm function: unit detects return air temperature >=50 ℃ when standby (shutdown) and operation, continues 1 minute, compressor emergency shutdown, and report to the police on temperature controller.
As shown in Figure 6, direct current brushless motor coil pipe unit control method of the present invention comprises anti-frost protection function: when unit return air temperature-sensing probe temperature≤3 ℃, for two control unit two-port valve V1, open; For four control unit two-port valve V1, V2, open simultaneously.This function comes into force under all patterns and standby (shutdown) state.
As shown in Figure 7, direct current brushless motor coil pipe unit 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; For four control unit two-port valve V1, V2, open simultaneously.This function comes into force under all patterns and standby (shutdown) state.
As shown in Figure 8, direct current brushless motor coil pipe unit control method standby automatic temperature control function of the present invention: arrange whether enable this function by dial-up, when being set with standby automatic temperature control function, temperature controller shows AutoON.Under standby (shutdown) pattern, when room temperature >=28 ℃, Auto Power On, starts cooling pattern, and wind speed low speed is established 26 ℃ of temperature; Temperature controller AutoON flicker, if now press on & off switch, enters normal operation mode; If end receives on & off switch push, until room temperature≤25 ℃, automatic shutdown.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 now press on & off switch, enters normal operation mode; If end receives on & off switch push, until room temperature >=21 ℃, automatic shutdown.
As shown in Figure 9, the quick cold/heat supply function of direct current brushless motor coil pipe unit control method of the present invention: under cooling pattern, return air and design temperature poor in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM.Within 10 minutes, rear motor is by 107% operation of setting rotating speed.Under cooling pattern, in 10S, 4 ℃ of > return air temperature-design temperatures, carry out PI control to rotating speed.Under heat supply mode, return air and design temperature poor in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM.Within 10 minutes, rear motor is by 107% operation of setting rotating speed.Under heat supply mode, in 10S, return air temperature-design temperature >-4 ℃, carry out PI control to rotating speed.
As shown in figure 10, direct current brushless motor coil pipe unit control method sleep function of the present invention: could start sleep function while entering cooling pattern, sleep function shows
design temperature raise in proportion 2 ℃ in 2 hours, after 2 hours, finished sleep function.The highest design temperature of sleep function is 29 ℃, during design temperature to 29 ℃, no longer raises, and finishes sleep function.Sleep function finishes rear maintenance sleep function and finishes front set temperature.Icon after finishing
disappear.Start sleep function and enter (indoor light) countdown of turning off the light simultaneously, 20 minutes (can arrange) of the countdown of turning off the light acquiescence turned off the light when countdown is 0.
Those skilled in the art do not depart from essence of the present invention and spirit, can there is various deformation scheme to realize the present invention, the foregoing is only the better feasible embodiment of the present invention, not thereby limit to interest field of the present invention, the equivalent structure that all utilizations description of the present invention and accompanying drawing content are done changes, within being all contained in interest field of the present invention.
Claims (1)
1. the control method of a direct current brushless motor coiler set control system, described control system comprises a plurality of line control machines and a plurality of driving governor, described line control machine is connected by network with described driving governor, each driving governor connects DC brushless motor and air supply rate, for setting, fan coil units type parameter and customer parameter are concurrent send line control machine instruction to selected described driving governor to described line control machine, described driving governor is for being converted to direct current by alternating current, according to described line control machine instruction, control the running of DC brushless motor and air supply rate, running state information is fed back to described line control machine, the operation of described driven by Brush-Less DC motor unit blower fan,
Described line control machine is by the selected described driving governor in IP address and send corresponding line control machine instruction;
Described driving governor comprises driven by Brush-Less DC motor module and air supply rate control module, and described driven by Brush-Less DC motor module is connected with described DC brushless motor, and described air supply rate control module is connected with a plurality of air supply rates;
Described air supply rate comprises humidifier, auxiliary heater, draining pump, host node, two/triple valve, warning device, sterilizing unit and electrostatic precipitator;
Described air supply rate also comprises leeway sensor, level sensor, temperature sensor and humidity sensor;
Described 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/access control module and data memory module;
Described line control machine also comprises human-machine interface module, backlight control module, temperature and humidity detection/control module and infrared data receiving processing module;
It is characterized in that: described control method comprises step:
A1, in line control machine, set fan coil units type parameter and customer parameter;
A2, the instruction of transmission line control machine are to selected driving governor;
A3, described driving governor are controlled the running of DC brushless motor and air supply rate according to described line control machine instruction;
A4, described driving governor feed back to described line control machine by running state information;
A5, described line control machine are adjusted instruction according to described running state information;
Wherein: described line control machine and described driving governor are by data communication line, wireless telecommunications or bluetooth communication swap data; Described 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;
In described control method, also comprise fire alarm functional mode, anti-frost protection functional mode, standby automatic temperature control function pattern, quick cold/heat supply functional mode, sleep function pattern;
Wherein, described fire alarm functional mode is: unit detects return air temperature >=50 ℃ when standby (shutdown) and operation, continues 1 minute, compressor emergency shutdown, and report to the police on temperature controller;
Described anti-frost protection functional mode is: when unit return air temperature-sensing probe temperature≤3 ℃, for two control unit two-port valve V1, open; For four control unit two-port valve V1, V2, open simultaneously; This function comes into force under all patterns and standby (shutdown) state; In anti-frost protection functional mode, also there is mid-game anti-frost protection functional mode,, when unit mid-game temperature-sensing probe temperature≤3 ℃, for two control unit two-port valve V1, open; For four control unit two-port valve V1, V2, open simultaneously; This function comes into force under all patterns and standby (shutdown) state;
Described standby automatic temperature control function pattern is: by dial-up, arrange whether enable this function, when being set with standby automatic temperature control function, temperature controller shows AutoON; Under standby (shutdown) pattern, when room temperature >=28 ℃, Auto Power On, starts cooling pattern, and wind speed low speed is established 26 ℃ of temperature; Temperature controller AutoON flicker, if now press on & off switch, enters normal operation mode; If end receives on & off switch push, until room temperature≤25 ℃, automatic shutdown; 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 now press on & off switch, enters normal operation mode; If end receives on & off switch push, until room temperature >=21 ℃, automatic shutdown;
Described quick cold/heat supply functional mode is: under cooling pattern, return air and design temperature poor in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM; Within 10 minutes, rear motor is by 107% operation of setting rotating speed; Under cooling pattern, in 10S, 4 ℃ of > return air temperature-design temperatures, carry out PI control to rotating speed; Under heat supply mode, return air and design temperature poor in 10S >=4 ℃, motor is by 110% operation of setting rotating speed, upper limit 1320RPM; Within 10 minutes, rear motor is by 107% operation of setting rotating speed; Under heat supply mode, in 10S, return air temperature-design temperature >-4 ℃, carry out PI control to rotating speed;
Described sleep function pattern is: while entering cooling pattern, could start sleep function, sleep function shows
; Design temperature raise in proportion 2 ℃ in 2 hours, after 2 hours, finished sleep function; The highest design temperature of sleep function is 29 ℃, during design temperature to 29 ℃, no longer raises, and finishes sleep function; Sleep function finishes rear maintenance sleep function and finishes front set temperature; Icon after finishing
disappear; Start sleep function and enter (indoor light) countdown of turning off the light simultaneously, the countdown of turning off the light acquiescence 20 minutes is turned off the light when countdown is 0.
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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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| 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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| CN102721141B true CN102721141B (en) | 2014-10-29 |
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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 |
| CN104748319B (en) * | 2015-04-22 | 2018-07-03 | 珠海格力电器股份有限公司 | Multicomputer air conditioner system control method, device and multicomputer air-conditioning system |
| CN105805889B (en) * | 2016-03-11 | 2021-03-23 | 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 |
| 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 |
| JP7174278B2 (en) * | 2021-01-13 | 2022-11-17 | ダイキン工業株式会社 | Air conditioner and method for replacing functional parts |
| CN113809954B (en) * | 2021-09-10 | 2022-08-12 | 常州市武进亚太机电配件有限公司 | Direct current brushless motor drive control system |
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