CN102679504A - Energy-saving coiled tube fan control method capable of improving comfort degree of environment - Google Patents

Energy-saving coiled tube fan control method capable of improving comfort degree of environment Download PDF

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Publication number
CN102679504A
CN102679504A CN201210185440XA CN201210185440A CN102679504A CN 102679504 A CN102679504 A CN 102679504A CN 201210185440X A CN201210185440X A CN 201210185440XA CN 201210185440 A CN201210185440 A CN 201210185440A CN 102679504 A CN102679504 A CN 102679504A
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microcontroller
capacitor
resistance
power
control method
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CN102679504B (en
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刘训涛
钟江涛
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GUANGZHOU ANDE ELECTROMECHANICAL EQUIPMENT ENGINEERING Co Ltd
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GUANGZHOU ANDE ELECTROMECHANICAL EQUIPMENT ENGINEERING Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Air Conditioning Control Device (AREA)
  • Control Of Positive-Displacement Air Blowers (AREA)

Abstract

The invention discloses an energy-saving coiled tube fan control method capable of improving the comfort degree of environment. In the method, devices need to be adopted as follows: a power supply device, an anti-interference filtering device, a speed-regulating device, a power factor correcting device, a microcontroller, a humiture sensor, a fan motor, a fan impellor and a regulating panel, wherein the microcontroller can process data such as fan return air temperature and humidity which are detected by the humiture sensor and current, voltage and power factors input by the power supply device; the microcontroller also can send instruments to control the speed-regulating device accurately, and further can control the fan motor to run at variable speed so as to achieve the effect of constant temperature; the constant-temperature control mode can improve the temperature comfort degree under the refrigeration environment; the power factor is improved, and line loss can be reduced. By using the control method provided by the invention, a great amount of electricity energy consumption can be saved, and the running cost of fan equipment can be lowered.

Description

A kind of energy-conservation coil pipe blower control method that can improve environmental degree of comfort
Technical field
The present invention relates to a kind of control method of coil pipe blower fan, more particularly, relate in particular to a kind of energy-conservation coil pipe blower control method.
Background technology
At present, the control mode of air conditioning terminal blower fan is to adopt low power ac motor, and the gear of this state of motor three kinds of friction speeds commonly used is manually controlled.And the temperature controller of air-conditioning draught fan is to adopt the principle of deciding wind speed, alternating temperature degree to control.Temperature controller is circumscribed with temperature sensor, and when actual temperature value was lower than set temperature value certain amplitude (0.5-1 degree), the control magnetic valve broke off cold water pathway; When actual temperature value was higher than set temperature value certain amplitude (0.5-1 degree), the control magnetic valve was communicated with cold water pathway.There is the defective of two aspects in this traditional control mode: in indoor temperature is in a bigger fluctuating range (the positive and negative 0.5-1.5 degree of set temperature value scope), under this temperature environment, can exert an influence to human comfort; The blower fan long-term work is constant-speed operation under the speed of set position, and blower fan is in no cold air output state when chilled water circuit is broken off, and can cause waste of energy like this.
Summary of the invention
The objective of the invention is to deficiency, the energy-conservation coil pipe blower control method of a kind of stationary temperature, change wind speed is provided to above-mentioned prior art.
Technical scheme of the present invention is achieved in that
A kind of energy-conservation coil pipe blower control method that can improve environmental degree of comfort, it may further comprise the steps:
1) at first import data parameters and action command to microcontroller, and the numerical value that this adjusting panel reception is returned by microcontroller is presented at it on display screen by regulating panel;
2) microcontroller receive to be regulated the data communication and the action command of panel then, according to command request, and the switch on and off of microprocessor controls supply unit, and the input of supply unit is carried out voltage, electric current and electrical power factor detect;
3) then the anti-interference filtration device carries out effective clamper filtering to the peak voltage that exists in the supply unit;
4) power factor correcting receives the power parameter of microcontroller output, and improves this power factor and output to arrangements for speed regulation;
5) warm and humid sensor detects the return air humiture of blower fan and it is transported to microcontroller and compares analysis, again by microcontroller output order control arrangements for speed regulation;
6) arrangements for speed regulation receive each data command of microcontroller, and through the step-less adjustment mode blower motor are carried out rotational speed regulation;
7) last blower motor drives draught fan impeller and makes the mobile absorption refrigeration that carries out of air in the environment.
Said supply unit comprises the power sense circuit module that supplies microcontroller to detect voltage, electric current and power factor (PF) and issues microcontroller by the signal of regulating panel output and confirm that the back realizes the power switch circuit module of its instruction of sending.
Said power sense circuit module is made up of protector FS, resistance R 1, R2, RJ, and protector FS one end connects power firestreak, and the other end connects the end of resistance R 1 and RJ respectively; The other end of resistance R 1 connects first port of microcontroller; The other end of resistance R J connects second port of microcontroller; One end of resistance R 2 connects zero-power line, and the other end connects first port of microcontroller.
Said power switch circuit module is by capacitor C 1, C2, resistance R 3, R4, triode Q1, diode D1; Relay K M1 constitutes; Capacitor C 1 and resistance R 3 are connected between resistance R 1 and the anti-interference filtration device, and capacitor C 2 and resistance R 4 are connected between zero-power line and the anti-interference filtration device; The base stage of triode Q1 connects the 3rd port of microcontroller, and the colelctor electrode of triode Q1 connects the same end of diode Q1 and relay K M1, the grounded emitter of triode; Diode Q1 is connected supply voltage with the other end of relay K M1.
Said relay K M1 also comprises two switches, and a switch in parallel is in the both sides of capacitor C 1 and resistance R 3, and another switch in parallel is in the both sides of capacitor C 2 and resistance R 4.
Said anti-interference filtration device comprises capacitor C 3, C4, C5, C6, transformer T1, T2, transient state suppressing element D2, and capacitor C 3 two ends connect the live wire and the zero line of supply unit; The two ends of transformer T1 are connected capacitor C 3 two ends; Capacitor C 4 one ends connect the end of transformer T1, other end ground connection; Capacitor C 5 one ends connect the other end of transformer T1, and the other end ground connection of capacitor C 5: transformer T2 is connected the two ends of transformer T1; Capacitor C 6 is connected the two ends of transformer T2; Transient state suppressing element D2 is connected the two ends of capacitor C 6.
The present invention adopts microcontroller to handle data such as the electric current of temperature and humidity and the supply unit input of the blower fan return air that warm and humid sensor detects, voltage, power factor (PF); And send precisely control arrangements for speed regulation of instruction; And then control the blower motor variable-speed operation, reach the effect of constant temperature; The thermostatic control mode can improve the temperature comfort level under the refrigerating environment; Power factor (PF) is improved, and can reduce line loss; Control method of the present invention can be practiced thrift a large amount of power consumptions, reduces the operating cost of Fan Equipment.
Description of drawings
Below in conjunction with the embodiment in the accompanying drawing the present invention is done further detailed description, but do not constitute any restriction of the present invention.
Fig. 1 is the fundamental diagram of coil pipe blower control method of the present invention.
Fig. 2 is the internal circuit diagram of supply unit of the present invention.
Fig. 3 is the internal circuit diagram of anti-interference filtration device of the present invention.
The specific embodiment
Consult shown in Figure 1; A kind of energy-conservation coil pipe blower control method that can improve environmental degree of comfort of the present invention needs to adopt array apparatus down: it comprises supply unit, anti-interference filtration device, arrangements for speed regulation, power factor correcting, microcontroller, Temperature Humidity Sensor, blower motor, draught fan impeller and regulates panel.Said adjusting panel connects microcontroller; Controller connects supply unit, power factor correcting, arrangements for speed regulation and Temperature Humidity Sensor respectively; Supply unit connects the anti-interference filtration device; Said arrangements for speed regulation also connect anti-interference filtration device, power factor correcting device and blower motor respectively; Blower motor connects draught fan impeller.
A kind of energy-conservation coil pipe blower control method that can improve environmental degree of comfort of the present invention may further comprise the steps:
1) at first import data parameters and action command to microcontroller, and the numerical value that this adjusting panel reception is returned by microcontroller is presented at it on display screen by regulating panel;
2) microcontroller receives data communication and the action command of regulating panel then; According to command request; The switch on and off of microprocessor controls supply unit, and the inner sensing device of microcontroller carries out voltage, electric current and electrical power factor to the input of supply unit and detects;
3) then the anti-interference filtration device carries out effective clamper filtering to the peak voltage that exists in the supply unit;
4) power factor correcting receives the power parameter of microcontroller output, and this power factor correcting device is made up of condenser for power factor improvement and compensating inductance, can improve this power factor and output to arrangements for speed regulation behind the input circuit;
5) warm and humid sensor adopts high-precision sensor to detect the return air humiture of blower fan and it is transported to microcontroller, and microcontroller compares analysis with the humiture value of return air humiture value and inner setting, again output order control arrangements for speed regulation;
6) arrangements for speed regulation receive each data command of microcontroller, and through the step-less adjustment mode blower motor are carried out rotational speed regulation;
7) last blower motor drives draught fan impeller and makes the mobile absorption refrigeration that carries out of air in the environment.
Consult shown in Figure 2ly, the supply unit among the present invention comprises the power sense circuit module that supplies microcontroller to detect voltage, electric current and power factor (PF) and issues microcontroller by the signal of regulating panel output and confirm that the back realizes the power switch circuit module of its instruction of sending.Be that supply unit is made up of midget relay and resistance capaciting absorpting circuit, the break-make of supply unit receives microprocessor controls.Said power sense circuit module is made up of protector FS, resistance R 1, R2, RJ, and protector FS one end connects power firestreak, and the other end connects the end of resistance R 1 and RJ respectively; The other end of resistance R 1 connects first port of microcontroller; The other end of resistance R J connects second port of microcontroller; One end of resistance R 2 connects zero-power line, and the other end connects first port of microcontroller.Said power switch circuit module is by capacitor C 1, C2, resistance R 3, R4, triode Q1, diode D1; Relay K M1 constitutes; Capacitor C 1 and resistance R 3 are connected between resistance R 1 and the anti-interference filtration device, and capacitor C 2 and resistance R 4 are connected between zero-power line and the anti-interference filtration device; The base stage of triode Q1 connects the 3rd port of microcontroller, and the colelctor electrode of triode Q1 connects the same end of diode Q1 and relay K M1, the grounded emitter of triode; Diode Q1 is connected supply voltage with the other end of relay K M1.Said relay K M1 also comprises two switches, and a switch in parallel is in the both sides of capacitor C 1 and resistance R 3, and another switch in parallel is in the both sides of capacitor C 2 and resistance R 4.
The operation principle of power sense circuit module of the present invention is following: alternating current flows into through protector FS from the live wire of supply unit, and this moment, live wire and the zero line side with supply unit inserted in the microcontroller, for the The whole control device provides power supply.Live wire and two proportion resistor of zero line side serial connection are carried out sampled measurements to supply voltage; The power firestreak end can produce pressure drop after flowing through resistance R J; The operational amplifier that the value (V=L-Lin) of sampling pressure drop is sent into microcontroller carries out computing, and the voltage of above sampled measurements, current value are averaged and just be the voltage of supply unit, current value.The maximum of recording voltage, electric current when high-speed sampling, the time coordinate difference of the two is exactly a phase difference, tries to achieve the power factor value of circuit according to phase difference.
The operation principle of power switch circuit module of the present invention is following: the enabling signal by regulating panel output is passed to microcontroller; Sending instruction after microcontroller is confirmed draws the Pout end and is high level; Triode Q1 conducting this moment; After the relay K M1 energising, two just adhesives of switch, the power turn-ons of The whole control device like this of KM1.
Consult shown in Figure 3ly, the anti-interference filtration device is made up of EMC (Electro Magnetic Compatibility) and peak voltage clamper filter circuit, can realize trouble-free operation and for the effective clamper filtering of the peak voltage that exists in the power circuit.Said anti-interference filtration device comprises capacitor C 3, C4, C5, C6, transformer T1, T2, transient state suppressing element D2, and capacitor C 3 two ends connect the live wire and the zero line of supply unit; The two ends of transformer T1 are connected capacitor C 3 two ends; Capacitor C 4 one ends connect the end of transformer T1, other end ground connection; Capacitor C 5 one ends connect the other end of transformer T1, and the other end ground connection of capacitor C 5: transformer T2 is connected the two ends of transformer T1; Capacitor C 6 is connected the two ends of transformer T2; Transient state suppressing element D2 is connected the two ends of capacitor C 6.
The operation principle of anti-interference filtration device of the present invention is following: adopt the second-order filter network mode, the input power supply is carried out the electromagnetism anti-interference process, transient state suppressing element D2 is the interference of filtering peak voltage generation effectively.
The thermostatic control mode that the present invention adopts more accurately, fluctuating range is little can improve the temperature comfort level under the refrigerating environment; Microcontroller of the present invention can directly precisely be controlled arrangements for speed regulation, and the dynamo-electric machine of the high-quality power supply air feed of arrangements for speed regulation output is used; Merit is counted factor and is improved, and can make line loss less; Blower motor operate power after the speed governing descends greatly, compares constant speed blower fan fractional energy savings and exceeds 30-70%, and adopt the control strategy of constant temperature to make the endothermic effect of coil pipe blower fan identical with traditional control system, does not influence refrigerating function fully; Control method functional integration of the present invention is high, and intelligent level is high, has general communication interface to realize automatic control more easily.

Claims (6)

1. energy-conservation coil pipe blower control method that can improve environmental degree of comfort is characterized in that: may further comprise the steps:
1) at first import data parameters and action command to microcontroller, and the numerical value that this adjusting panel reception is returned by microcontroller is presented at it on display screen by regulating panel;
2) microcontroller receive to be regulated the data communication and the action command of panel then, according to command request, and the switch on and off of microprocessor controls supply unit, and the input of supply unit is carried out voltage, electric current and electrical power factor detect;
3) then the anti-interference filtration device carries out effective clamper filtering to the peak voltage that exists in the supply unit;
4) power factor correcting receives the power parameter of microcontroller output, and improves this power factor and output to arrangements for speed regulation;
5) warm and humid sensor detects the return air humiture of blower fan and it is transported to microcontroller and compares analysis, again by microcontroller output order control arrangements for speed regulation;
6) arrangements for speed regulation receive each data command of microcontroller, and through the step-less adjustment mode blower motor are carried out rotational speed regulation;
7) last blower motor drives draught fan impeller and makes the mobile absorption refrigeration that carries out of air in the environment.
2. energy-conservation coil pipe blower control method according to claim 1 is characterized in that: said supply unit comprises the power sense circuit module that supplies microcontroller to detect voltage, electric current and power factor (PF) and issues microcontroller by the signal of regulating panel output and confirm that the back realizes the power switch circuit module of its instruction of sending.
3. energy-conservation coil pipe blower control method according to claim 2; It is characterized in that: said power sense circuit module is made up of protector FS, resistance R 1, R2, RJ; Protector FS one end connects power firestreak, and the other end connects the end of resistance R 1 and RJ respectively; The other end of resistance R 1 connects first port of microcontroller; The other end of resistance R J connects second port of microcontroller; One end of resistance R 2 connects zero-power line, and the other end connects first port of microcontroller.
4. energy-conservation coil pipe blower control method according to claim 3; It is characterized in that: said power switch circuit module is by capacitor C 1, C2, resistance R 3, R4, triode Q1, diode D1; Relay K M1 constitutes; Capacitor C 1 and resistance R 3 are connected between resistance R 1 and the anti-interference filtration device, and capacitor C 2 and resistance R 4 are connected between zero-power line and the anti-interference filtration device; The base stage of triode Q1 connects the 3rd port of microcontroller, and the colelctor electrode of triode Q1 connects the same end of diode Q1 and relay K M1, the grounded emitter of triode; Diode Q1 is connected supply voltage with the other end of relay K M1.
5. energy-conservation coil pipe blower control method according to claim 4 is characterized in that: said relay K M1 also comprises two switches, and a switch in parallel is in the both sides of capacitor C 1 and resistance R 3, and another switch in parallel is in the both sides of capacitor C 2 and resistance R 4.
6. energy-conservation coil pipe blower control method according to claim 1; It is characterized in that: said anti-interference filtration device comprises capacitor C 3, C4, C5, C6, transformer T1, T2, transient state suppressing element D2, and capacitor C 3 two ends connect the live wire and the zero line of supply unit; The two ends of transformer T1 are connected capacitor C 3 two ends; Capacitor C 4 one ends connect the end of transformer T1, other end ground connection; Capacitor C 5 one ends connect the other end of transformer T1, and the other end ground connection of capacitor C 5: transformer T2 is connected the two ends of transformer T1; Capacitor C 6 is connected the two ends of transformer T2; Transient state suppressing element D2 is connected the two ends of capacitor C 6.
CN201210185440.XA 2012-06-07 2012-06-07 A kind of energy-conserving coil pipe blower control method that can improve environmental degree of comfort Expired - Fee Related CN102679504B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282387A (en) * 2018-09-14 2019-01-29 佛山市高科合创科技有限公司 Jamproof air cleaning unit
CN109489221A (en) * 2018-12-18 2019-03-19 奥克斯空调股份有限公司 Anti-jamming circuit and transducer air conditioning
CN109915946A (en) * 2019-03-21 2019-06-21 广东美的制冷设备有限公司 Electric control gear, outdoor unit and air conditioner
CN115826445A (en) * 2022-09-27 2023-03-21 无锡锐泰节能***科学有限公司 Fan coil temperature controller

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032975A (en) * 1987-10-31 1989-05-17 上海市造纸研究所 The high accuracy constant temperature and humidity automatic control system
KR20080040073A (en) * 2006-11-02 2008-05-08 (주)마빈시스템 Dynamic control method for air conditioning system
CN201547912U (en) * 2009-11-19 2010-08-11 巴州鑫仁维商贸有限责任公司 Temperature-controlled electricity-saving controller for split-type air conditioner
CN201672626U (en) * 2010-05-18 2010-12-15 上海煊荣自动化科技有限公司 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner
CN202008194U (en) * 2011-01-26 2011-10-12 有利创新科技有限公司 Fan coil unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1032975A (en) * 1987-10-31 1989-05-17 上海市造纸研究所 The high accuracy constant temperature and humidity automatic control system
KR20080040073A (en) * 2006-11-02 2008-05-08 (주)마빈시스템 Dynamic control method for air conditioning system
CN201547912U (en) * 2009-11-19 2010-08-11 巴州鑫仁维商贸有限责任公司 Temperature-controlled electricity-saving controller for split-type air conditioner
CN201672626U (en) * 2010-05-18 2010-12-15 上海煊荣自动化科技有限公司 High-efficiency energy-saving control system of constant-temperature and constant-humidity air conditioner
CN202008194U (en) * 2011-01-26 2011-10-12 有利创新科技有限公司 Fan coil unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109282387A (en) * 2018-09-14 2019-01-29 佛山市高科合创科技有限公司 Jamproof air cleaning unit
CN109489221A (en) * 2018-12-18 2019-03-19 奥克斯空调股份有限公司 Anti-jamming circuit and transducer air conditioning
CN109915946A (en) * 2019-03-21 2019-06-21 广东美的制冷设备有限公司 Electric control gear, outdoor unit and air conditioner
CN115826445A (en) * 2022-09-27 2023-03-21 无锡锐泰节能***科学有限公司 Fan coil temperature controller

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