CN109059101A - The fan coil adaptive power conservation dehumidifying controller of floating-point valve control - Google Patents

The fan coil adaptive power conservation dehumidifying controller of floating-point valve control Download PDF

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Publication number
CN109059101A
CN109059101A CN201810600320.9A CN201810600320A CN109059101A CN 109059101 A CN109059101 A CN 109059101A CN 201810600320 A CN201810600320 A CN 201810600320A CN 109059101 A CN109059101 A CN 109059101A
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CN
China
Prior art keywords
floating
control
control circuit
relay
fan coil
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Pending
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CN201810600320.9A
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Chinese (zh)
Inventor
陈小梅
陈东华
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Guangzhou Tianyuan Technology Co Ltd
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Guangzhou Tianyuan Technology Co Ltd
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Priority to CN201810600320.9A priority Critical patent/CN109059101A/en
Publication of CN109059101A publication Critical patent/CN109059101A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The present invention discloses a kind of fan coil adaptive power conservation dehumidifying controller of floating-point valve control, it is applied to fan coil and freezes water management, including adaptation control circuit, operation panel, temperature collecting module, humidity collection module, air-blower control circuit and water valve control loop；The adaptation control circuit runs blower to adjust floating-point valve opening with low speed by hardware circuit and control algolithm；Pass through hardware circuit and control algolithm calculation process by the continuous acquisition to return air temperature, relative humidity, automatic output control signal is to air-blower control circuit and water valve control loop, the aperture of synergic adjustment blower wind speed and floating-point valve, after automatic adjusument, after room temperature reaches stationary value, temperature fluctuation is small, and effectively remove air-conditioned room air in vapor and make relative humidity decline reach comfort requirement.In addition, energy-saving effect significantly improves compared with conventional fan coil pipe.

Description

The fan coil adaptive power conservation dehumidifying controller of floating-point valve control
Technical field
The present invention relates to air conditioner automation field technologies, refer in particular to a kind of fan coil of floating-point valve control certainly Adapt to energy saving dehumidifying controller.
Background technique
Fan coil is the ideal end prod of central air-conditioning, fan coil be widely used in hotel, office building, hospital, Quotient live, scientific research institution.The working principle of fan coil is the air in room where constantly recycling in unit, is bypassed air through Chilled water coil is cooled in surface air cooler and dehumidifies, so that room temperature and humidity be made to reach comfort requirement.To meet people's work, life Living and art production process requirement, needs to state modulators such as indoor aerial temperature and humidities in particular range.
Conventional blower coil pipe control system control principle is: system detects return air temperature by its temperature sensor, passes through The Determination of set temperature and return air temperature, the on-off or aperture for controlling water valve make room temperature reach requirement temperature.Entirely The process of control is without reference to humidity, although air is cooled in coils, humidity can accordingly decline, the temperature of air with it is wet Degree has very strong coupling, and humidity is not detected and is controlled, indoor humidity may not reach requirement.So For comfort air conditioning system in actual operational process, existing deficiency is to humidity without corresponding control strategy, relative humidity It does not reach requirement, especially in high temperature and humidity area, seriously affects human body comfort.
In addition, blower generally uses speed-changing draught fan in fan coil, making for room often is given the control of rotation speed of fan User, i.e., high, medium and low three kinds of wind speed conversion of manual three speed switch control blower, the height of separately adjustable wind speed.Currently answer The controller of central air conditioner system be mostly water side control and wind side control it is individually separated, both can not accomplish association With adjusting, easily there is the problems such as control lag, not accurate.
Existing coiler fan does not have information transfer capability, therefore system is caused to lack corresponding effective information, so that Control system can only by simply turn off control mode control fan coil operation, not can be carried out effective intelligent control with Management.
Summary of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of controls of floating-point valve Fan coil adaptive power conservation dehumidifying controller, by hardware circuit and control algolithm, using temperature and humidity as the adaptive of target Regulating water flow and air force are answered, dehumidifying, energy conservation, comfortable purpose are reached.
To achieve the above object, the present invention is using following technical solution:
A kind of fan coil adaptive power conservation dehumidifying controller of floating-point valve control, is applied to fan coil and freezes water control System, including adaptation control circuit, operation panel, temperature collecting module, humidity collection module, air-blower control circuit and water valve Control loop；The adaptation control circuit runs blower to adjust floating-point valve with low speed by hardware circuit and control algolithm Aperture；The temperature collecting module is return air temperature sensor, and the humidity collection module is humidity sensor, the operating surface Plate, return air temperature sensor and humidity sensor are all connected with the input terminal of adaptation control circuit, the air-blower control circuit and water The output end of ball valve actuator connection adaptation control circuit in valve control loop, the port I/O of adaptation control circuit connects Connect RS485 communication interface；
PID control unit is equipped in the adaptation control circuit, PID arithmetic is adaptive control algorithm module, this is adaptive Answer control algolithm modular expression are as follows:
PID incremental calculation formula are as follows:
In formula, KpFor proportionality coefficient, TiFor integration time constant, TdFor derivative time constant, T is the sampling period；E (k), e (k-1), e (k-2) is respectively kth time, kth -1 time, kth -2 times deviations；
For discrete pid control algorithm, if yrIt (t) is setting value, e (t)=yr(t)-y (t) then has:
For the scene of time-varying parameter, i.e. Adaptive PID Control algorithm is as follows:
In formula,
Each sampled point is continuously adopted three times, removes maximum value and minimum value, using median as sample magnitude.
Preferably, blower is three fast blowers in the air-blower control circuit.
Preferably, water valve is floating-point valve in the water valve control loop, and it is tri-state floating-point valve.
Preferably, the adaptation control circuit includes voltage stabilizing chip, single-chip microcontroller and memory, the input terminal of voltage stabilizing chip External power supply is connected, output end connects the feeder ear of single-chip microcontroller, and memory connects single-chip microcontroller.
Preferably, the single-chip microcontroller passes through the ball valve actuator and air-blower control time in relay driving water valve control loop Three fast blowers in road.
Preferably, the air-blower control circuit includes three fast blowers, relay S1, relay S2 and relay S3, described The output end of relay S1, relay S2 and relay S3 are connect with three fast blowers, relay S1, relay S2 and relay The input terminal of S3 is all connected with relay driver.
Preferably, the RS485 communication interface is two-way.
The present invention has obvious advantages and beneficial effects compared with the existing technology, specifically, by above-mentioned technical proposal Known to:
By the continuous acquisition to return air temperature, relative humidity by hardware circuit and control algolithm calculation process, automatically Air-blower control circuit and water valve control loop are output control signals to, the aperture of synergic adjustment blower wind speed and floating-point valve passes through After automatic adjusument, after room temperature reaches stationary value, temperature fluctuation is small, and the water in the air of effectively removing air-conditioned room Steam and make relative humidity decline reach comfort requirement.The present invention is using the condensation water quantity that the time is precipitated as reference, usually Detect that indoor relative humidity is greater than 70% (RH range can be set) and enters efficient dehumidification mode, the humidity of such as detection is low In setting humidity, then the present invention is in comfortable energy-saving mode.In addition, under identical set temperature and under the conditions of, skill of the present invention Art product saves compared with conventional fan coil pipe than general at present 5 times high to room effect on moisture extraction of fan coil controller or more Energy effect significantly improves.
In order to explain the structural features and functions of the invention more clearly, come with reference to the accompanying drawing with specific embodiment to this hair It is bright to be described in detail:
Detailed description of the invention
Fig. 1 is the preferred embodiments of the invention integral module structure chart；
Fig. 2 is the circuit structure diagram of adaptation control circuit in the preferred embodiments of the invention；
Fig. 3 is the circuit structure diagram of relay driver in the preferred embodiments of the invention；
Fig. 4 is the circuit structure diagram in the air-blower control circuit of the preferred embodiments of the invention；
Fig. 5 is the circuit structure diagram of the water valve control loop of the preferred embodiments of the invention；
Fig. 6 is the circuit structure diagram of the return air temperature sensor of the preferred embodiments of the invention
Description of drawing identification:
10, adaptation control circuit 20, operation panel
30, temperature collecting module 40, humidity collection module
50, the fast blower in air-blower control circuit 51, three
60, water valve control loop 61, floating-point valve
70, RS485 communication interface
Specific embodiment
It please refers to shown in Fig. 1 to Fig. 6, that show the specific structures of the preferred embodiments of the invention, are applied to wind Machine coil pipe freezes water management, mainly includes adaptation control circuit 10, operation panel 20, temperature collecting module 30, humidity collection Module 40, air-blower control circuit 50 and water valve control loop 60.
The adaptation control circuit 10 makes blower with low speed operation and with adjusting by hardware circuit and control algolithm 61 aperture of floating-point valve, the temperature collecting module 30 are return air temperature sensor, and the humidity collection module 40 is humidity sensor Device, the operation panel 20, return air temperature sensor and humidity sensor are all connected with the input terminal of adaptation control circuit 10, wind Machine control loop 50 connects the output end of control circuit, the self adaptive control with the ball valve actuator in water valve control loop 60 The port I/O of circuit 10 connects RS485 communication interface 70.The parameters for the fan coil operation that can be will test upload in real time To third party device, unified management and linkage control are realized.The adaptation control circuit 10 is used for according to from operating surface The set temperature of plate, the return air temperature from return air temperature sensor transmission, comes from room humidity sensing at setting top limit value of humidity The relative humidity that device is sent outputs control signals to air-blower control circuit 50 and water valve control loop 60 after being handled, to adjust The air output of fan coil and the aperture of floating-point valve 61 realize that room temperature is constant and dehumidifies.
Referring to fig. 2, adaptation control circuit 10 of the invention includes voltage stabilizing chip U4, single-chip microcontroller U1 and memory U3, surely The input terminal of chip U3 is pressed to connect external power supply, output end connects the feeder ear of single-chip microcontroller U1, memory U3 connection single-chip microcontroller U1. External power supply is AC12V, is powered by generating 5V voltage after rectifier bridge, buck regulator to peripheral chip, voltage stabilizing chip U4 The power supply of 3.3V is provided for single-chip microcontroller U1.Memory U3 uses high reliability memory, is used for data record, can adopt in the present invention With the memory of model FM24C08, erasable number 1,000,000 times or more, data are saved 100 years.The model of single-chip microcontroller U1 is preferred For STM32F051C4, the model of voltage stabilizing chip U4 is preferably AS1117-3.3.
There is CPU, program data memory, Timer/Counter, UART serial ports, I/O interface, high speed inside single-chip microcontroller U1 The modules such as R/C pierce circuit in A/D conversion, SPI interface, PCA, house dog and piece have high speed, low-power consumption, superpower anti-do The features such as immunity, 13 tunnels high speed, 12 A/D conversions, 2 tunnel independence serial ports, 1 road I2C are widely used in the motor of strong jamming occasion Control.
PID control unit is equipped in the adaptation control circuit 10, PID arithmetic is adaptive control algorithm module, should be certainly The expression of suitable solution algoritic module are as follows:
PID incremental calculation formula are as follows:
In formula, KpFor proportionality coefficient, TiFor integration time constant, TdFor derivative time constant, T is the sampling period；E (k), e (k-1), e (k-2) is respectively kth time, kth -1 time, kth -2 times deviations；
For discrete pid control algorithm, if yrIt (t) is setting value, e (t)=yr(t)-y (t) then has:
For the scene of time-varying parameter, i.e. Adaptive PID Control algorithm is as follows:
In formula,
Each sampled point is continuously adopted three times, removes maximum value and minimum value, using median as sample magnitude.
The air-blower control circuit 50 is preferably three fast blowers 51, and water valve control loop 60 is preferably floating-point valve 61, and is floated Point valve 61 is tri-state floating-point valve.Further, air-blower control circuit 50 and water valve control loop 60 pass through a relay driving Device connects single-chip microcontroller U1.It is illustrated in figure 3 the circuit structure diagram of relay driver, selects model ULN2003.In conjunction with figure 4 and Fig. 5, air-blower control circuit 50 include three fast blowers 51, relay S1, relay S2 and relay S3, the relay S1, The output end of relay S2 and relay S3 are connect with three fast blowers 51, and relay S1, relay S2 and relay S3's is defeated Enter end and is all connected with relay driver.Three road DO interfaces are connect with relay driver, single-chip microcontroller U1 output control voltage signal Fan coil high air quantity is driven when to relay S1, drives fan coil apoplexy when exporting control voltage signal to relay S2 Amount, driving fan coil low air quantity when exporting control voltage signal to relay S3.
The floating-point valve 61 of water valve control circuit 60 is connected to relay driver by two relays, when controller exports When controlling voltage signal to relay S4, floating-point valve 61 is powered slow unlatching, controls voltage signal to relay when controller export When device S5,61 slowly closing of floating-point valve.The state in place of electronic feedback floating-point valve 61 of U5 optocoupler and each resistance composition, passes through AI3 It is connected to single-chip microcontroller U1.Since the control signal of single-chip microcontroller U1 has the characteristics that real-time sensitive, the opening and closing of floating-point valve 61 Slowly carry out.Standard-sized sheet and the time closed entirely are about at 45 seconds or so.The single-chip microcontroller U1 of the present embodiment passes through fuzzy PID algorithm The actuation time ratio of floating-point valve 61 is exported after calculation process, floating-point valve 61 is accordingly controlled to adjust, and is avoided as traditional water Valve open and close two states adjust so that the case where controlled room temperature field changes greatly.
Operation panel 20 is used to carry out temperature setting to user.The circuit of wind pushing temperature sensor and return air temperature sensor Principle refers to Fig. 6, and resistance Rd1 and Rd2 are the pull-up supplying resistance of two-way NTC thermistor, and Cd1 and Cd2 are filter capacitor, AI1 connects the AI interface of single-chip microcontroller U1 with AI2, this circuit has the characteristics that in high precision and anti-interference strong.
The RS485 communication interface 70 is two-way, convenient to communicate with third party device, can couple and connect with RS485 bus The equipment such as the temperature control panel of mouth, objective control system (RCU unit).
Design focal point of the invention is: passing through hardware circuit and control by the continuous acquisition to return air temperature, relative humidity Algorithm calculation process processed, automatic output control signal to air-blower control circuit and water valve control loop, synergic adjustment blower wind speed With the aperture of floating-point valve, after automatic adjusument, after room temperature reaches stationary value, temperature fluctuation is small, and effectively removes Vapor in the air of air-conditioned room and so that relative humidity decline is reached comfort requirement.The condensation that the present invention is precipitated with the time Water is usually to detect that indoor relative humidity is greater than 70% (RH range can be set) and enters efficiently dehumidifying as reference Mode, such as humidity of detection are lower than setting humidity, then the present invention is in comfortable energy-saving mode.In addition, in identical set temperature It is lower and under the conditions of, the technology of the present invention product than general at present 5 times high to room effect on moisture extraction of fan coil controller or more, with Conventional fan coil pipe is significantly improved compared to energy-saving effect.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within Within protection scope of the present invention.

Claims (7)

1. a kind of fan coil adaptive power conservation dehumidifying controller of floating-point valve control, is applied to fan coil and freezes water control System, it is characterised in that: including adaptation control circuit, operation panel, temperature collecting module, humidity collection module, air-blower control Circuit and water valve control loop；The adaptation control circuit runs blower with low speed by hardware circuit and control algolithm To adjust floating-point valve opening；The temperature collecting module is return air temperature sensor, and the humidity collection module is humidity sensor Device, the operation panel, return air temperature sensor and humidity sensor are all connected with the input terminal of adaptation control circuit, the blower Control loop connects the output end of adaptation control circuit, adaptation control circuit with the ball valve actuator in water valve control loop The port I/O connect RS485 communication interface；
PID control unit is equipped in the adaptation control circuit, PID arithmetic is adaptive control algorithm module, this is self-adaptive controlled Algoritic module expression processed are as follows:
PID incremental calculation formula are as follows:
In formula, KpFor proportionality coefficient, TiFor integration time constant, TdFor derivative time constant, T is the sampling period；E (k), e (k- 1), e (k-2) is respectively kth time, kth -1 time, kth -2 times deviations；
For discrete pid control algorithm, if yrIt (t) is setting value, e (t)=yr(t)-y (t) then has:
For the scene of time-varying parameter, i.e. Adaptive PID Control algorithm is as follows:
In formula,
Each sampled point is continuously adopted three times, removes maximum value and minimum value, using median as sample magnitude.
2. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as described in claim 1, it is characterised in that: institute Stating blower in air-blower control circuit is three fast blowers.
3. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as described in claim 1, it is characterised in that: institute Stating water valve in water valve control loop is floating-point valve, and it is tri-state floating-point valve.
4. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as described in claim 1, it is characterised in that: institute Stating adaptation control circuit includes voltage stabilizing chip, single-chip microcontroller and memory, and the input terminal of voltage stabilizing chip connects external power supply, output The feeder ear of end connection single-chip microcontroller, memory connect single-chip microcontroller.
5. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as claimed in claim 4, it is characterised in that: institute It states single-chip microcontroller and passes through three fast blowers in the ball valve actuator and air-blower control circuit in relay driving water valve control loop.
6. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as described in claim 1, it is characterised in that: institute Stating air-blower control circuit includes three fast blowers, relay S1, relay S2 and relay S3, the relay S1, relay S2 It is connect with three fast blowers with the output end of relay S3, the input terminal of relay S1, relay S2 and relay S3 are all connected with Relay driver.
7. the fan coil adaptive power conservation dehumidifying controller of floating-point valve control as described in claim 1, it is characterised in that: institute Stating RS485 communication interface is two-way.
CN201810600320.9A 2018-06-12 2018-06-12 The fan coil adaptive power conservation dehumidifying controller of floating-point valve control Pending CN109059101A (en)

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Application Number Priority Date Filing Date Title
CN201810600320.9A CN109059101A (en) 2018-06-12 2018-06-12 The fan coil adaptive power conservation dehumidifying controller of floating-point valve control

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Application Number Priority Date Filing Date Title
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08200774A (en) * 1995-01-24 1996-08-06 Ebara Corp Controller for ventilating and air-conditioning system
CN202675533U (en) * 2012-06-29 2013-01-16 厦门市智博弘信科技发展有限公司 Intelligent control device for central air conditioner
KR101272522B1 (en) * 2011-09-02 2013-06-10 현대자동차주식회사 Air conditioner for recycling of condensation water heat
CN106705390A (en) * 2017-03-21 2017-05-24 广州市天园科技有限公司 Fan coil self-adaptive energy saving control device and method
CN107942663A (en) * 2017-11-21 2018-04-20 山东省计算中心（国家超级计算济南中心） Agricultural machinery automatic steering control method based on fuzzy PID algorithm

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08200774A (en) * 1995-01-24 1996-08-06 Ebara Corp Controller for ventilating and air-conditioning system
KR101272522B1 (en) * 2011-09-02 2013-06-10 현대자동차주식회사 Air conditioner for recycling of condensation water heat
CN202675533U (en) * 2012-06-29 2013-01-16 厦门市智博弘信科技发展有限公司 Intelligent control device for central air conditioner
CN106705390A (en) * 2017-03-21 2017-05-24 广州市天园科技有限公司 Fan coil self-adaptive energy saving control device and method
CN107942663A (en) * 2017-11-21 2018-04-20 山东省计算中心（国家超级计算济南中心） Agricultural machinery automatic steering control method based on fuzzy PID algorithm

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Title
李春旺: "《建筑设备自动化第2版》", 30 September 2017 *

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Application publication date: 20181221