CN106160590A - A kind of direct current brushless motor coil pipe - Google Patents

A kind of direct current brushless motor coil pipe Download PDF

Info

Publication number
CN106160590A
CN106160590A CN201610585635.1A CN201610585635A CN106160590A CN 106160590 A CN106160590 A CN 106160590A CN 201610585635 A CN201610585635 A CN 201610585635A CN 106160590 A CN106160590 A CN 106160590A
Authority
CN
China
Prior art keywords
brushless motor
direct current
return air
temperature
coil pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610585635.1A
Other languages
Chinese (zh)
Inventor
张小力
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI AIRUTE AIR-CONDITIONING SYSTEM Co Ltd
Original Assignee
SHANGHAI AIRUTE AIR-CONDITIONING SYSTEM Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI AIRUTE AIR-CONDITIONING SYSTEM Co Ltd filed Critical SHANGHAI AIRUTE AIR-CONDITIONING SYSTEM Co Ltd
Priority to CN201610585635.1A priority Critical patent/CN106160590A/en
Publication of CN106160590A publication Critical patent/CN106160590A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
    • H02P6/08—Arrangements for controlling the speed or torque of a single motor
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

The open a kind of direct current brushless motor coil pipe of the present invention, including temperature controller, control driving means, return air temperature sensor and DC brushless motor, wherein, described control driving means processes for the return air temperature that the gear signal providing the described temperature controller obtained and return air temperature sensor record and controls to drive DC brushless motor.Direct current brushless motor coil pipe according to the present invention, utilize gear signal temperature controller that direct current brushless motor speed is continuously adjusted control, save and be equipped with special temperature controller cost for DC brushless motor, improve direct current brushless motor coil pipe performance, reduce fluctuations in indoor temperature, be also admirably suitable for existing alternating current generator fan coil and transform direct current brushless motor coil pipe as.

Description

A kind of direct current brushless motor coil pipe
Technical field
The present invention relates to DC brushless motor technical field, particularly relate to a kind of direct current brushless motor coil pipe.
Background technology
Fan coil units, also referred to as FAN COIL UNIT or INDOOR UNIT.Refer to be arranged on such as hotel, doctor In the buildings such as institute, market, restaurant, office building, factory or high-end residential, use air heat exchange endless form to empty in room Gas processes, thus meets the temperature of people's needs, humidity and the air-conditioning system of air quality (INDOOR AIR QUALITY) System end-o f-pipe-control device.
At present, the motor of major part fan coil units inside ensuring air heat exchange circulation is single-phase AC induction Motor, this motor exists that efficiency is low, power consumption big, temperature rise, vibration and noise is big, volume big, Heavy Weight and consumptive material many Etc. defect, especially its speed governing uses tapping mode, can only carry out the step speed regulation of rotating speed stepping, not reach optimal joint Can effect.As a example by third gear alternating current generator, its slow-speed of revolution is about 60% at a high speed, and corresponding fan coil refrigeration (hot) amount is height The nominal value about 65% that speed is corresponding.Actually room conditioning load typically changes between the 20-100% of nominal value, and the whole year is about The time fan coil having 50% operates in the room conditioning load situation less than 60%, even if at fan coil low cruise In the case of, traditional fan coil is usually present the situation of low load with strong power；The whole year additionally about 50% time room conditioning bear Lotus is consecutive variations between 60%-100%, and fan coil exerts oneself corresponding to high, medium and low third gear wind speed 100%, 83%, About 65% exerts oneself, and is also frequently present the phenomenon of low load with strong power.Use alternating current generator both to there is high power consumption, waste air-conditioning Main frame produces the energy consumption that fan coil part refrigeration (hot) is measured, and also creates the fluctuation of indoor temperature.Market fan coil pipe mesh Before have the alternating current generator of more than one hundred million running.
Alternating current generator fan coil units uses gear signal temperature controller to control alternating current generator operating, directly operates temperature controller Gear conversion and the start and stop of alternating current generator can be directly automatically or manually controlled.There is the DC brushless motor of energy-efficient feature Gradually as the first-selection of fan coil, its most replaceable traditional AC motor fan coil.But to direct current brushless motor coiler The control of group is the most more complicated, not only needs to use special offer analog quantity or the temperature controller of digital quantity speed-regulating signal, also needs It is equipped with other equipment, relatively costly.Traditional gear signal temperature controller can't be used for controlling DC brushless motor.If energy Using easily operation, the gear signal temperature controller of low cost controls direct current brushless motor coil pipe, can promote direct current brushless motor coil pipe Marketing and application.
Patent 1 [application number: 201410119618.X] describes a kind of brshless DC motor three speed switch transducer, tool There is converter body, defeated with speed-regulating switch voltage including the input of MCU micro-control unit, gear signal change-over circuit and speed feedback Go out circuit.Described gear signal change-over circuit is connected with the A/D interface of MCU micro-control unit；The input of described speed feedback and tune The CCP interface of speed switching voltage output circuit and MCU micro-control unit connects；Described gear signal change-over circuit is equipped and three The interface of speed switch docking；The input of described speed feedback is equipped with speed-regulating switch voltage follower circuit and wind dish docks connects Mouthful.Described rotational speed regulation circuit is equipped with a rotational speed regulation rotational speed devices, high-grade, middle-grade including three three speed switch the most corresponding With low-grade potentiometer.
Patent 2 [application number: 200720069584.3] describes the direct-flow brushless electric machine fan coil unit of a kind of three velocity modulation joints, Including blower fan, DC brushless motor, box body, heat exchanger, air outlet, the control input of described DC brushless motor is through one Individual change-over circuit and three velocity modulation joint controllers connect.Described change-over circuit is by three switching relaies, transformator, rectifier bridges Heap, three filter capacitors, two three-terminal voltage-stabilizing circuit, four divider resistances, three semifixed resistors are formed by connecting.
Patent 3 [application number: CN201320678413.6.A] describes a kind of brushless DC motor control system and brushless Direct current generator fan coil units, its control system includes exchanging line control machine, controlling device and motor driver, wherein, Described exchange line control machine is for providing gear signal to described control device；Described control device is for entering described gear signal Row processes and provides DC bus-bar voltage and rotational speed regulation voltage signal to described motor driver；Described motor driver For receiving described DC bus-bar voltage and described rotational speed regulation voltage signal to drive brushless direct-current brushless electric machine, described motor Driving means is additionally operable to receive from the Hall speed feedback signal of described brushless direct-current brushless electric machine and to described control device Feedback speed feedback signal.
Such scheme improves prior art the most to a certain extent so that gear signal temperature controller can control direct current without Brush fan coil.But patent 1,2,3 is when the rotating speed that self-defined different gears are corresponding, still needs to manually set and adjust, simultaneously There is control accuracy low, direct current brushless motor coil pipe can only can only be transported by several grades of rotating speeds as alternating current generator fan coil OK, the defect of alternating current generator fan coil low load with strong power is not changed, it is impossible to play DC brushless motor in the broad range of speeds In continuously adjusted the characteristic mating room conditioning load by rotating speed, indoor temperature reaches the overlong time of design temperature, electricity When machine carries out gear switch, generation motor speed changes suddenly affects the defect such as electrical machinery life and unexpected noise sudden change；Patent 3 Use Hall element feedback rotary speed regulating signal, make direct current brushless motor coil pipe can not in stable operation under high-temperature work environment, Shorten fan coil service life.
Accordingly, it would be desirable to a kind of direct current brushless motor coil pipe, to solve problems of the prior art at least in part.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of direct current brushless motor coil pipe, including temperature control Device, control driving means, return air temperature sensor and DC brushless motor, control driving means respectively with temperature controller, return air temperature Degree sensor and DC brushless motor connect, wherein,
Described control driving means is used for:
1) gear signal and the return air temperature T that records of described return air temperature sensor that described temperature controller provides are obtainedWind, According to described return air temperature TWindJudge described direct current brushless motor coil pipe operational mode, calculate in conjunction with described gear signal and set Temperature TIf；
2) actual speed of DC brushless motor, and actual speed based on DC brushless motor, return air temperature T are obtainedWind With design temperature TIfCalculate DC brushless motor rotating speed of target；
3) described DC brushless motor is regulated according to described DC brushless motor rotating speed of target and actual speed Automatic continuous Rotating speed.
Preferably, described control driving means farther include straightening and filtering unit, gear detection device, Switching Power Supply, Central processing unit, electric machine controller, insulated gate bipolar transistor, straightening and filtering unit and temperature controller, Switching Power Supply and insulation Grid bipolar transistor connects, and gear detection device is connected with temperature controller and central processing unit, Switching Power Supply and electric machine controller Connecting with central processing unit, insulated gate bipolar transistor is also connected with electric machine controller and DC brushless motor, and central authorities process Device is also connected with electric machine controller and return air temperature sensor, wherein,
Described straightening and filtering unit carries out rectifying and wave-filtering for the gear signal providing temperature controller, will wrap in gear signal The alternating current contained is converted to unidirectional current, sends to Switching Power Supply and insulated gate bipolar transistor；
Described gear detection device detects for the gear signal providing temperature controller, and by the gear letter after detection Number send to described central processing unit；
After unidirectional current is adjusted by described Switching Power Supply further, provide DC driven to central processing unit and electric machine controller Power supply；
Described central processing unit, for receiving the gear signal that described gear detection device provides, obtains return air temperature sensing The return air temperature signal of device and the tach signal of DC brushless motor, judge brush DC wind according to described return air temperature signal Machine coil pipe operational mode, calculates design temperature T in conjunction with described gear signalIf；Tach signal based on DC brushless motor, return Air temperature signal and design temperature TIfCalculate DC brushless motor rotating speed of target；And turn according to described DC brushless motor target Speed and actual speed send rotary speed regulating signal to described electric machine controller；
Described electric machine controller provides driving signal according to described rotary speed regulating signal to insulated gate bipolar transistor；
According to the driving signal of electric machine controller, described insulated gate bipolar transistor determines that offer is to DC brushless motor Unidirectional current, and then regulation direct current brushless motor speed.
Preferably, described temperature controller is connected with controlling driving means by gear signal connecting line, and described control drives dress Put according to described gear signal and return air temperature TWindGear signal connecting line is identified automatically.
Preferably, the actual speed of described acquisition DC brushless motor farther includes: described control driving means obtains The speed feedback signal of described DC brushless motor, calculates the actual speed of DC brushless motor according to speed feedback signal.
Preferably, described control driving means is according to described return air temperature TWindJudge that direct current brushless motor coil pipe runs mould Formula, calculates design temperature T in conjunction with described gear signalIfFarther include:
According to return air temperature TWindJudge direct current brushless motor coil pipe operational mode, and run according to direct current brushless motor coil pipe Pattern and described gear signal determine critical temperature difference △ T corresponding during different gear signal switching；Determine according to described Critical temperature difference △ T and return air temperature TWindCalculate design temperature TIf。
Preferably, described control driving means is according to described return air temperature TWindJudge that direct current brushless motor coil pipe runs mould Formula, calculates design temperature T in conjunction with described gear signalIfFarther include:
According to return air temperature TWindJudging direct current brushless motor coil pipe operational mode, if air vent mode, the most described control is driven Dynamic device controls DC brushless motor and runs according to preset rotation speed；If refrigeration or heating mode, then according to direct current brushless motor Coil pipe operational mode and described gear signal determine critical temperature difference △ T corresponding during different gear signal switching；According to The described critical temperature difference △ T determined and return air temperature TWindCalculate design temperature TIf。
Preferably, TIf=TWind-△ T, wherein, TIfFor on-fixed value, △ T is definite value.
Preferably, described control driving means is with the function of the value of automatic decision △ T.
Preferably, the rotating speed of target of described DC brushless motor and the actual speed of DC brushless motor, return air temperature TWind With design temperature TIfBetween relation be:
U 1 = U 0 + K p × e + K i × ∫ e d t + K d × d e d t
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, e =TWind-TIf,KiFor integral constant, KdFor derivative constant.
Preferably, the rotating speed of target of described DC brushless motor and described return air temperature TWindWith design temperature TIfBetween pass System is:
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, Ti For return air temperature, TIfFor design temperature, KiFor integral constant, KdFor derivative constant.
Preferably, described control driving means with Wireless/wired/bluetooth communication module, network control module, time clock Molding block, air supply rate control module, remotely/access control module, data memory module, human-machine interface module, infrared ray number According to one of which or the expanded functions of multinomial combination such as receiving processing module, air quality control module, backlight control modules.
Preferably, described control driving means is additionally provided with toggle switch, is used for setting each shelves of direct current brushless motor coil pipe The bound definite value of the corresponding rotating speed in position.
Preferably, described return air temperature sensor is provided with temperature correction sensor, is used for verifying and correcting return air temperature The temperature drift of sensor.
Preferably, described control driving means has the one of which or multinomial such as anti-frost protection, condensation protection, sleep control The control logic of combination.
Preferably, described control driving means can drive 1 or multiple stage DC brushless motor.
The present invention includes relative to the advantage of prior art:
Direct current brushless motor coil pipe according to the present invention, by surveying the gear signal of temperature controller and return air temperature sensor The return air temperature T obtainedWindCalculate air-conditioning design temperature TIf, and actual speed based on DC brushless motor, return air temperature TWindWith set Fixed temperature TIfCalculate DC brushless motor rotating speed of target, by the rotating speed of rotating speed correction Automatic continuous regulation DC brushless motor, On the one hand existing temperature controller structure can be utilized directly to improve, it is not necessary to be equipped with special temperature control for DC brushless motor Device, has saved improvement cost, on the other hand, by calculating DC brushless motor rotating speed of target, by actual speed and rotating speed of target Compare, and then regulation direct current brushless motor speed is all the time close to rotating speed of target, it is achieved DC brushless motor continuous-stable Rotational speed regulation, thus change the situation of conventional fan coil pipe usually low load with strong power, it is achieved that the continuous tune of indoor temperature Joint, reduces fluctuations in indoor temperature, improves indoor temperature control accuracy and the whole energy effect of direct current brushless motor coil pipe.
Introducing the concept of a series of reduced form in Summary, this will enter in detailed description of the invention part One step describes in detail.Present invention part is not meant to attempt to limit the crucial special of technical scheme required for protection Seek peace essential features, more do not mean that the protection domain attempting to determine technical scheme required for protection.
Below in conjunction with accompanying drawing, describe advantages and features of the invention in detail.
Accompanying drawing explanation
The drawings below of the present invention is used for understanding the present invention in this as the part of the present invention.Shown in the drawings of this Bright embodiment and description thereof, be used for explaining the principle of the present invention.In the accompanying drawings,
Fig. 1 is the schematic diagram of typical alternating current generator fan coil.
Fig. 2 is a kind of embodiment schematic diagram of the present invention.
Fig. 3 is that a kind of of the present invention controls driving means embodiment structural map.
Fig. 4 is a kind of preferably bi-motor embodiment of the present invention.
Fig. 5 is a kind of embodiment with expanded function of the present invention.
Fig. 6 is the embodiment of another expanded function of the present invention.
Fig. 7 is the wiring diagram of typical alternating current generator fan coil.
Fig. 8 is a kind of wiring embodiment of the direct current brushless motor coil pipe of the present invention.
Fig. 9 is a kind of wiring embodiment of the bi-motor direct current brushless motor coil pipe of the present invention.
Figure 10 is a kind of connecting line outside drawing embodiment of the direct current brushless motor coil pipe of the present invention.
Figure 11 is a kind of plug-in unit outside drawing embodiment of the direct current brushless motor coil pipe of the present invention.
Figure 12 is a kind of workflow diagram embodiment of the direct current brushless motor coil pipe of the present invention.
Figure 13 is direct current brushless motor coil pipe and the alternating current generator fan coil of the present invention and controls by respective notch rotating speed The ruuning situation of direct current brushless motor coil pipe compare.
Figure 14 is the direct current brushless motor dish using the present invention and the direct current brushless motor dish controlled by respective notch rotating speed The temperature control effect of pipe compares.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide more thorough understanding of the invention.So And, it will be apparent to one skilled in the art that the present invention can be able to without these details one or more Implement.In other example, in order to avoid obscuring with the present invention, technical characteristics more well known in the art are not entered Line description.
In order to thoroughly understand the present invention, detailed structure will be proposed in following description.Obviously, the execution of the present invention is also It is not limited to the specific details that those skilled in the art is familiar with.Presently preferred embodiments of the present invention is described in detail as follows, but In addition to these describe in detail, the present invention can also have other embodiments.
Fig. 1 is the schematic diagram of typical alternating current generator fan coil.Gear temperature controller provides gear signal and alternating current generator Each gear coil tap connect.By different gear signal, it is achieved the work of the different coil taps of alternating current generator, it is achieved The stepping rotational speed regulation of alternating current generator, to regulate the air quantity by fan coil and heat exchange amount, thus realizes indoor temperature control Purpose.
Fig. 2 shows a kind of embodiment schematic diagram of the present invention.
In the present embodiment, direct current brushless motor coil pipe includes temperature controller 1, controls driving means 2, return air temperature sensor 21 and DC brushless motor 3, control driving means 2 respectively with temperature controller 1, return air temperature sensor 21 and DC brushless motor 3 Connect, wherein,
Described control driving means 2 is used for:
1) gear signal of described temperature controller 1 is obtained and return air temperature T that described return air temperature sensor 21 recordsWind, root According to described return air temperature TWindJudge described direct current brushless motor coil pipe operational mode, calculate in conjunction with described gear signal and set temperature Degree TIf；
2) actual speed of DC brushless motor 3, and actual speed based on DC brushless motor 3, return air temperature are obtained TWindWith design temperature TIfCalculate the rotating speed of target of DC brushless motor 3；
3) rotating speed of target and actual speed Automatic continuous according to described DC brushless motor 3 regulate described brush DC electricity The rotating speed of machine 3.
It should be noted that temperature controller 1 connects alternating current power supply, and it is connected by gear signal with controlling driving means 2 Line connects, and controls driving means 2 according to described gear signal and return air temperature TWindGear signal connecting line is identified currently automatically It is in which gear.Control driving means 2 to be connected by DC voltage connecting line with DC brushless motor 3, added by change DC voltage frequency to DC brushless motor 3 changes the rotating speed changing DC brushless motor 3.When temperature controller 1 does not works, nothing Gear signal exports, and controls driving means 2 and DC brushless motor 3 zero-power, has saved the standby of direct current brushless motor coil pipe Energy consumption.
Return air temperature sensor 21 is arranged on the return air inlet (air entrance location) of direct current brushless motor coil pipe or indoor energy The convenient position installed of reflection indoor temperature, return air temperature sensor 21 drives dress with control by the way of wired or wireless Put 2 connections, by return air temperature signal TWindPass in real time control driving means 2.The rotation speed change regulation of DC brushless motor 3 can To change the air capacity by direct current brushless motor coil pipe, thus change the heat exchange amount of air and direct current brushless motor coil pipe, real The purpose that existing indoor temperature controls.
Preferably, the actual speed of described acquisition DC brushless motor 3 farther includes: described control driving means obtains The speed feedback signal of described DC brushless motor 3, calculates the actual speed of DC brushless motor 3 according to speed feedback signal.
Preferably, described control driving means 2 can drive 1 or multiple stage DC brushless motor 3.Preferably, according to institute The rotating speed stating DC brushless motor 3 rotating speed of target and the actual speed Automatic continuous described DC brushless motor 3 of regulation wraps further Include:
DC brushless motor 3 rotating speed of target and DC brushless motor 3 actual speed are contrasted；
If DC brushless motor 3 rotating speed of target is identical with DC brushless motor 3 actual speed, the most uncomfortable whole brush DC electricity Machine 3 rotating speed；If DC brushless motor 3 rotating speed of target and DC brushless motor 3 actual speed differ, then by DC brushless motor 3 actual speed adjust to rotating speed of target.
Preferably, control driving means 2 and there is anti-frost protection, condensation protection, the one of which such as control of sleeping or multinomial group The control logic closed.The present embodiment replaces the alternating current generator in Fig. 1 to control driving means 2 and DC brushless motor 3, in exchange The gear signal connecting line of temperature controller in Fig. 1 with alternating current generator directly can be accessed control by the reducing energy consumption engineering that motor is replaced In driving means 2 processed, it is not necessary to additionally increase wiring and wiring workload.One of the present invention preferred embodiment in, permissible Control driving means 2 is constructed according to the mode shown in Fig. 3.From figure 3, it can be seen that control driving means 2 to include that rectification is filtered Wave apparatus 4, gear detection device 5, Switching Power Supply 6, central processing unit 7, electric machine controller 8, insulated gate bipolar transistor 9, Straightening and filtering unit 4 is connected with temperature controller 1, Switching Power Supply 6 and insulated gate bipolar transistor 9, gear detection device 5 and temperature control Device 1 and central processing unit 7 connect, and Switching Power Supply 6 is connected with electric machine controller 8 and central processing unit 7, insulated gate bipolar crystal Pipe 9 is also connected with electric machine controller 8 and DC brushless motor 3, and central processing unit 7 also passes with electric machine controller 8 and return air temperature Sensor 21 connects, wherein,
Described straightening and filtering unit 4 carries out rectifying and wave-filtering, by gear signal for the gear signal providing temperature controller 1 The alternating current comprised is converted to unidirectional current, sends to Switching Power Supply 6 and insulated gate bipolar transistor 9；
Described gear detection device 4 detects for the gear signal providing temperature controller 1, and by the gear after detection Signal sends to described central processing unit 7；
After unidirectional current is adjusted by described Switching Power Supply 6 further, provide direct current to central processing unit 7 and electric machine controller 8 Drive power supply；
Described central processing unit 7, for receiving the gear signal that described gear detection device 4 provides, obtains return air temperature and passes The return air temperature signal of sensor 21 and the tach signal of DC brushless motor 3, according to described return air temperature signal judge direct current without Brush fan coil operational mode, calculates design temperature T in conjunction with described gear signalIf；Rotating speed based on DC brushless motor 3 is believed Number, return air temperature signal and design temperature TIfCalculate DC brushless motor 3 rotating speed of target；And according to described DC brushless motor 3 rotating speed of target and actual speed send rotary speed regulating signal to described electric machine controller 8；
Described electric machine controller 8 provides driving signal according to described rotary speed regulating signal to insulated gate bipolar transistor 9；
According to the driving signal of electric machine controller 8, described insulated gate bipolar transistor 9 determines that offer is to brush DC electricity The unidirectional current of machine 3, and then regulation DC brushless motor 3 rotating speed.
It should be noted that the gear that straightening and filtering unit 4 and gear detection device 5 receive from temperature controller 1 is believed simultaneously Number.The alternating current comprised in gear signal, for described gear signal is carried out rectifying and wave-filtering, is converted to by straightening and filtering unit 4 Unidirectional current, is sent to Switching Power Supply 6 and insulated gate bipolar transistor 9；
Gear detection device 5 is for detecting the gear signal that temperature controller 1 provides, and sends gear signal to described central authorities Processor 7, central processing unit 7 accepts gear signal and identifies the concrete gear that signal connecting line is corresponding.Switching Power Supply 6 is connected on Between outfan and the feeder ear of the feeder ear of central processing unit 7 and electric machine controller 8 of straightening and filtering unit 4, rectification is filtered The further rectifying and wave-filtering of unidirectional current of wave apparatus 4 output the fixed value that is depressurized between 1.5-5V, to central processing unit 7 and motor Controller 8 provides and drives power supply.Central processing unit 7 is used for the gear signal after receiving described detection, return air temperature signal, electricity Machine tach signal 2, according to the gear signal identified and gear switch critical temperature difference and adjustment TIf, for described direct current without The rotating speed of target logical calculated of brush motor 3, and send to electric machine controller 8 according to DC brushless motor 3 rotating speed of target calculated Rotary speed regulating signal.
Preferably, DC brushless motor 3 provides speed feedback signal to central processing unit 7, and central processing unit 7 is according to rotating speed Feedback signal calculates the actual speed of DC brushless motor 3.
Insulated gate bipolar transistor 9 is connected with the outfan of straightening and filtering unit 4, and receiving straightening and filtering unit 4 provides Unidirectional current, according to electric machine controller 8 drive signal provide the unidirectional current of DC brushless motor 3 winding regulate direct current without Brush motor 3 rotating speed.
Electric machine controller 8 and central processing unit 7 can synthesize one or be provided separately.Electric machine controller 8 and insulated gate Bipolar transistor 9 can synthesize one or be provided separately, and is combined into IPM (Intelligent Power during integrator Module), i.e. SPM.IPM is arranged on control driving means 2 body, or becomes an independent module.
Fig. 4 is a kind of preferably bi-motor embodiment of the present invention.
The control driving controlling driving means 2 to realize bi-motor is constructed according to the mode shown in Fig. 4.Fig. 4's Yu Fig. 3 Difference is that insulated gate bipolar transistor 9 has the output of 2 independent insulated gate bipolar transistors and straightening and filtering unit 4 End is connected, and receives the unidirectional current that straightening and filtering unit 4 provides, and provides 2 respectively according to the driving signal of electric machine controller 8 The unidirectional current of the winding of DC brushless motor 3 regulates DC brushless motor 3 rotating speed respectively.
Fig. 5 shows a kind of embodiment with expanded function of the present invention.Described control driving means 2 is with wireless Communication module and/or RS232/485 communication interface.Specifically, described control driving means is provided with expansion interface, connects respectively Wireless communication module, RS232/485 communication module and the control module of LED, wireless communication module, RS232/485 can be by The operation and control information of the direct current brushless motor coil pipe of the present invention and the central computer of building control centre carry out communication, building Control centre can also remotely monitor direct current brushless motor coil pipe.The control module of LED can control a number of LED Or indoor electric appliance device, can communicate with remote controller, mobile phone or other equipment, or control LED, fully demonstrate this Bright multi-functional and multipurpose.
Fig. 6 is the embodiment of another expanded function of the present invention.Preferably, described control driving means 2 with wireless/ Wired/bluetooth communication module, network control module, clock control module, air supply rate control module, remotely/access control mould Block, data memory module, human-machine interface module, infrared data receiving processing module, air quality control module, backlight control The one of which such as module or the expanded function of multinomial combination.In specific implementation process, the network driving dynamic control device 2 controls mould Block is led to the central computer with building control centre for processing by wireless/bluetooth communication module and communication interface News, building control centre can also remotely monitor direct current brushless motor coil pipe.Clock control module can specifically monitor brush DC The operation time situation of the parts such as the DC brushless motor 3 of fan coil, temperature controller 1, it is right that air supply rate control module can be used for The control of other air-conditioning equipments, access control module is connected for gate control system, and data memory module is for operational factor Record, human-machine interface module has the parameter of band presentation control function and sets or service data inquiry, infrared data receiving area Reason module connects for the temperature controller with distant control function, and air quality control module is for indoor air quality such as PM2.5 Having the occasion controlling to require, backlight control module is used for backlight and the control of the liquid crystal display screen with display function.
Fig. 7 is the wiring diagram of typical alternating current generator fan coil.The gear connecting line 31 of temperature controller 1 is by coil pipe 22 Rosette 24 is connected with motor 3 again, and motor 3 rotates and drives blower fan 23, and blower fan 23 rotation drives air over coil pipe 22 and changes Heat.
Fig. 8 is a kind of wiring embodiment of the direct current brushless motor coil pipe of the present invention.Control driving means 2 with plug-in unit 25, the gear signal connecting line 31 of temperature controller 1 is connected with the plug-in unit controlling driving means 2 by the rosette 24 of coil pipe 22.Control Driving means 2 processed with plug-in unit 27, with on DC brushless motor 3 with winding wiring plug-in unit or weld DC connection wires 32 phase Even, DC brushless motor 3 rotates and drives blower fan 23.Control driving means 2, with plug-in unit 26, is passed with return air temperature by plug-in unit 26 The signal connecting line 33 of sensor 21 is connected.
Return air temperature sensor 21 can be with the temperature correction sensor of return air temperature sensor, corresponding signal connecting line 33 have 2 right.Usually return air temperature sensor work, the temperature correction regular sensor of return air temperature sensor verifies and corrects back The temperature drift of air temperature sensor, can replace when return air temperature sensor fault to ensure direct current brushless motor coil pipe temporarily Properly functioning.Control driving means 2 to be contained on the housing of coil pipe 22 or on the housing of DC brushless motor 3, it is also possible to coil pipe 22 and DC brushless motor 3 partial installation.
Alternating current generator fan coil transform direct current brushless motor coil pipe engineering applications of the present invention as, can be directly by Fig. 7 Former connecting line 31 is being connected with the plug-in unit 25 controlling driving means 2 after motor side is cut off.
Control driving means 2 and be provided with 8 toggle switch 28, be used for setting direct current brushless motor coil pipe difference blast, type The functions such as each gear corresponding rotating speed bound definite value of number specification and Application in Building type.The blast of fan coil have 12Pa, 30Pa, 50Pa tri-kinds, fan coil air quantity is from 200m3/ h to 2500m3About 10 kinds are had, different blast and different model between/h Each gear rotating speed upper limit value and lower limit value of its correspondence of specification is different, can be set by toggle switch.It addition, fan unit Pipe is widely used in the buildings such as hotel, hospital, market, restaurant, office building, factory or high-end residential, such as hotel guest-room, doctor There is strict noise objective in institute ward, high-grade office, residential quarter, can come by limiting corresponding each gear rotating speed higher limit Control noise.In running, the motor rotating speed of target of each gear, on the basis of logical calculated value, also will leave according to dial-up The setting of pass 28 requires to control in each gear correspondence rotating speed bound limits.It is arranged on manual mode at temperature controller 1, and Remaining certain gear when fixing running status, controlling driving means 2 can be in this gear correspondence rotating speed bound limits Still it is controlled DC brushless motor 3 rotating speed adjusting, it is achieved energy-conservation and and raising comfort level purpose.
For third gear type temperature controller, gear correspondence rotating speed bound limits can be high gear upper limit rotating speed, The upper limit rotating speed of middling speed gear, the upper lower limit value of low gear rotating speed.The corresponding concrete tachometer value of each dial-up or high gear upper Limit rotating speed percentage ratio, as required before product export or engineering site carries out dial-up setting.
Fig. 9 is a kind of wiring embodiment of the bi-motor direct current brushless motor coil pipe of the present invention.Difference with Fig. 8 is, Control driving means 2, with plug-in unit 27, is connected with winding wiring plug-in unit or welding unidirectional current with on 2 DC brushless motors 3 Line is respectively connected with, and 2 DC brushless motors 3 rotate driving blower fan 23 respectively.
Figure 10 is a kind of connecting line outside drawing of the direct current brushless motor coil pipe of the present invention.Embodiment.Connecting line uses to be inserted Part connects, to facilitate installation.
Figure 11 is a kind of plug-in unit outside drawing embodiment of the direct current brushless motor coil pipe of the present invention.Plug-in unit have 2 cores, 3 cores, 4 The various ways such as core, 5 cores, 6 cores.Outward appearance has shape circular, rectangular.
In conjunction with a kind of workflow diagram embodiment of the direct current brushless motor coil pipe of Figure 12 present invention, illustrate that each forms Operation principle between part.
Temperature controller 1 provides gear signal, described gear can be one grade or many grades to controlling driving means 2, such as, existing Temperature controller generally comprise 3 kinds of gear signal: high-grade, middle-grade and low-grade, the most corresponding different temperature range of different gear.
In the case of the cold and hot operational mode of direct current brushless motor coil pipe determines, control driving means 2 and automatically identify temperature control Device 1 each gear signal line and corresponding gear signal relation.Traditional alternating current generator fan coil is because of the side of motor tapping Formula, it is desirable to each gear signal line of temperature controller must the wiring one_to_one corresponding of gear winding coil each with motor, if misconnection can be led Send a telegraph machine cisco unity malfunction.In the present invention, any gear holding wire all can be turned by rectifying and wave-filtering as alternating current power supply Turn to the unidirectional current needed, and gear signal is supplied simultaneously to again control the central processing unit 7 of driving means 2.For alternating current generator Fan coil transform the occasion of direct current brushless motor coil pipe as, the gear signal line of temperature controller 1 and the wiring controlling driving means 2 Order is difficult to control, to this end, the present invention save traditional method by automatically identifying corresponding gear signal method it needs to be determined that The transformation time of gear signal line order and cost of labor, and avoid the rework cost caused because of wiring error.
As a example by third gear temperature controller, temperature controller has high, medium and low third gear, the gear that central processing unit 7 has learned that before identification It is respectively shelves 1, shelves 2, shelves 3；
During refrigeration mode, measure primary retirn air temperature at interval of a period of time A0 when shelves 1 run, measure j return air temperature altogether Degree Tn, the temperature of gear 1 correspondence is
Measuring primary retirn air temperature at interval of a period of time A0 when shelves 2 run, measure k return air temperature Tn altogether, gear 2 is right The temperature answered is
Measuring primary retirn air temperature at interval of a period of time A0 when shelves 3 run, measure l return air temperature Tn altogether, gear 2 is right The temperature answered is
If TShelves 1>TShelves 2>TShelves 3, then the gear signal of gear 1 correspondence be high-grade, the gear signal of gear 2 correspondence be middle-grade, shelves The gear signal of position 3 correspondences is low-grade.
During heating mode, measure primary retirn air temperature at interval of a period of time A0 when shelves 1 run, measure j return air temperature altogether Degree Tn, the temperature of gear 1 correspondence is
Measuring primary retirn air temperature at interval of a period of time A0 when shelves 2 run, measure k return air temperature Tn altogether, gear 2 is right The temperature answered is
Measuring primary retirn air temperature at interval of a period of time A0 when shelves 3 run, measure l return air temperature Tn altogether, gear 2 is right The temperature answered is
If TShelves 1<TShelves 2<TShelves 3, then the gear signal of gear 1 correspondence be high-grade, the gear signal of gear 2 correspondence be middle-grade, shelves The gear signal of position 3 correspondences is low-grade.
During startup, control driving means 2 receives and starts and immediately with toggle switch after the gear signal of temperature controller 1 The DC brushless motor maximum speed arranged drives DC brushless motor 3 to run as desired value, controls driving means 2 and persistently supervises Survey gear signal change, the return air temperature T of return air temperature sensor 21WindWith the actual speed of DC brushless motor 3, according to return air Temperature TWindJudge direct current brushless motor coil pipe operational mode.Described operational mode includes, but are not limited to air vent mode, refrigeration mould Formula, heating mode.
In an embodiment of the present invention, only according to return air temperature TWindJudge direct current brushless motor coil pipe refrigeration mode and heat Pattern, described control driving means is according to described return air temperature TWindJudge direct current brushless motor coil pipe operational mode, in conjunction with institute State gear signal and calculate design temperature TIfFarther include:
According to return air temperature TWindJudge direct current brushless motor coil pipe operational mode, and run according to direct current brushless motor coil pipe Pattern and described gear signal determine critical temperature difference △ T corresponding during different gear signal switching；Determine according to described Critical temperature difference △ T and return air temperature TWindCalculate design temperature TIf。
In an alternative embodiment of the invention, only according to return air temperature TWindJudge direct current brushless motor coil pipe air vent mode, system Chill formula and heating mode.Described control driving means is according to described return air temperature TWindJudge that direct current brushless motor coil pipe runs Pattern, calculates design temperature T in conjunction with described gear signalIfFarther include:
According to return air temperature TWindJudging direct current brushless motor coil pipe operational mode, if air vent mode, the most described control is driven Dynamic device controls DC brushless motor and runs according to preset rotation speed；If refrigeration or heating mode, then according to direct current brushless motor Coil pipe operational mode and described gear signal determine critical temperature difference △ T corresponding during different gear signal switching；According to The described critical temperature difference △ T determined and return air temperature TWindCalculate design temperature TIf。
In an embodiment of the present invention, by the following method according to return air temperature TWindJudge that direct current brushless motor coil pipe runs Pattern:
Return air temperature when direct current brushless motor coil pipe starts is T0, and certain interval of time A measures primary retirn air temperature Tn,As f (n) > B time, direct current brushless motor coil pipe is in heating mode.When f (n) < during C, direct current without Brush fan coil is in refrigeration mode.As C≤f (n)≤B, direct current brushless motor coil pipe is in air vent mode.
In the other embodiment of the present invention, by the following method according to return air temperature TWind, design temperature TIfJudge direct current without Brush fan coil operational mode:
After direct current brushless motor coil pipe starts, certain interval of time A measures primary retirn air temperature Tn, As f (n) > B time, direct current brushless motor coil pipe is in refrigeration mode.When f (n) < during C, direct current brushless motor Coil pipe is in heating mode.As C≤f (n)≤B, direct current brushless motor coil pipe is in air vent mode.Wherein A can be to control The automatic sampling period of driving means, it is also possible to being the sampling time set, if setting value, it is in 1-10000 second scope Interior value.I is to calculate periodic sampling number of times, and value is general between 2-10000 time, B be constant value between 1 to 100000 time, C is normal Number, value is between-1 to-100000.
Under air vent mode, if the driving means 2 that controls that control driving means is specified by air vent mode is identifying temperature control automatically Device 1 each gear signal line with before corresponding gear signal relation, then controls driving means 2 and controls DC brushless motor 3 all the time and exist Minimum limiting operation.If having identified temperature controller 1 each gear signal line and corresponding gear signal relation, then control driving means 2 Control DC brushless motor 3 to run according to the minimum speed that each gear is corresponding.
Under refrigeration or heating mode, if controlling driving means 2 to obtain all signals of gear signal connecting line first, i.e. Automatically identify the concrete gear signal that gear signal connecting line is corresponding, and combine return air temperature TWindRevise critical temperature difference △ T, Calculate again and revise design temperature TIf.If gear signal connecting line is the most identified, design temperature TIfFor default value.
Refrigeration or heating mode under and gear signal connecting line the most identified, control driving means 2 according to identify gear Signal and return air temperature TWindCalculate and revise design temperature TIf。
If the T calculatedIfIdentical with the former design temperature controlling to store in driving means 2, then design temperature keeps constant, If difference, revise design temperature, and preserve.
Based on described return air temperature TWind, design temperature TIfCalculate DC brushless motor 3 rotating speed of target etc. parameter, control to drive Device 2 determines DC brushless motor 3 actual speed, if brush DC is electric by monitoring DC brushless motor 3 speed feedback signal Machine 3 rotating speed of target and DC brushless motor 3 actual speed have deviation, then DC brushless motor 3 actual speed is adjusted to direct current Brushless electric machine 3 rotating speed of target, if not having deviation, then keeps original rotating speed.Wherein, the rotating speed of target of DC brushless motor 3 is also One of which or the control logical requirements of multinomial combination such as anti-frost protection, condensation protection, sleep control must be met.And must also meet The setting of toggle switch 28 limits requirement.
Above procedure circulation is carried out, to guarantee DC brushless motor 3 rotating speed convergence rotating speed of target, at refrigeration or heating mode Descend and then guarantee indoor temperature rapid advance design temperature.
Can by toggle switch 28 arrange determine automatically identify occasion be a period of time first powered on or long-term from Dynamic identification.Wherein A0 can be the automatic sampling period controlling driving means, it is also possible to be the sampling time set, if setting Definite value, its value in the range of the 1-10000 second.J, k, l are to calculate periodic sampling number of times, and value is general between 2-10000 time.
In an embodiment of the present invention, TIf=TWind-△ T, wherein, TIfFor on-fixed value, △ T is definite value.
Meanwhile, control driving means 2 and receive the counter electromotive force speed feedback signal from DC brushless motor 3, calculate The actual speed of motor.Afterwards, driving means 2 is controlled based on described return air temperature TWindWith design temperature TIfThe target that output is corresponding Tach signal, exports revised tach signal after actual speed and rotating speed of target being contrasted, double by controlling insulated gate The operating frequency of bipolar transistor 9, reaches to change the purpose of DC brushless motor 3 rotating speed, is adjusted by motor speed and realizes room Interior return air temperature rapid advance is in design temperature.
In an alternative embodiment of the invention, when direct current brushless motor coil pipe dispatches from the factory, it is set with cooling operation mode, heats fortune The respective T of row modeIf, scene can be chosen concrete initial according to building type and concrete applicable cases by toggle switch 28 TIf.Control driving means 2 according to the current return air temperature T recorded during temperature controller 1 gear switchWindAdjust TIf。
As a example by the control logic of a typical third gear temperature controller:
Under refrigeration mode, temperature controller switches to middle-grade from top grade, or from middle-grade switch to top grade time, TIf=TWind-D；Temperature control Device is from the middle-grade low grade that switches to, or when low grade switches to middle-grade, and TIf=TWind-E。
Under heating mode, temperature controller switches to middle-grade from top grade, or from middle-grade switch to top grade time, TIf=TWind-F；Temperature control Device is from the middle-grade low grade that switches to, or when low grade switches to middle-grade, and TIf=TWind-G。
Wherein, D, E are respectively critical temperature difference △ T during gear switch, and its scope is between 1 to 6 DEG C.F, G are respectively gear Critical temperature difference △ T during switching, its scope is between-1 to-6 DEG C.
In an alternative embodiment of the invention, the driving means 2 function with the value of automatic decision △ T is controlled.For exchange Motor fan coil pipe transform direct current brushless motor coil pipe situation as, is not required to analyze the concrete model of temperature controller, then artificial enquiry is sentenced Disconnected concrete D, E, F, G-value, then in the on-the-spot manual setting of transformation.As a example by the control logic of a typical third gear temperature controller. Controlling D when driving means 2 is dispatched from the factory is 1 DEG C, and E is 2 DEG C, and F is-1 DEG C, and G is-2 DEG C.During cooling operation mode, record temperature controller 1 from Top grade switches to middle-grade, or from middle-grade switch to top grade time return air temperature value TWind 1, record temperature controller 1 from middle-grade switch to low Shelves, or return air temperature value T when low grade switches to middle-gradeWind 2If, TWind 1-TWind 21.5 DEG C, then D, E, F, G-value are constant；If 1.5 DEG C ＜ TWind 1-TWind 22.5 DEG C, then D=2 DEG C, E=4 DEG C, F=-2 DEG C, G=-4 DEG C；If 2.5 DEG C of ＜ TWind 1-TWind 2, then D=2 DEG C, E =5 DEG C, F=-2 DEG C, G=-5 DEG C.During heating operation mode, record temperature controller 1 switches to middle-grade from top grade, or from middle-grade switching For return air temperature value T during top gradeWind 1, record temperature controller 1 is from the middle-grade low grade that switches to, or returning when low grade switches to middle-grade Pathogenic wind-warm angle value TWind 2If, TWind 2-TWind 11.5 DEG C, then D, E, F, G-value are constant；If 1.5 DEG C of ＜ TWind 2-TWind 12.5 DEG C, then D=2 DEG C, E =5 DEG C, F=-2 DEG C, G=-4 DEG C；If 2.5 DEG C of ＜ TWind 2-TWind 1, then D=2 DEG C, E=5 DEG C, F=-2 DEG C, G=-5 DEG C.
In an embodiment of the present invention, based on described return air temperature TWindWith design temperature TIfAutomatic continuous regulates described direct current The rotating speed of brushless electric machine 3, the rotating speed of described DC brushless motor and described return air temperature TWindWith design temperature TIfBetween relation For:
U 1 = U 0 + K p &times; e + K i &times; &Integral; e d t + K d &times; d e d t
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, e =TWind-TIf,KiFor integral constant, KdFor derivative constant.
KdWhen=0, control logic and can be changed into proportional plus integral control, Ki=0 and KdWhen=0, control logic and become ratio control System.
In an alternative embodiment of the invention, above-mentioned formula has been carried out concrete simplification, the rotating speed of described DC brushless motor With described return air temperature TWindWith design temperature TIfBetween relation be:
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, Ti For return air temperature, TIfFor design temperature, KiFor integral constant, KdFor derivative constant.
This computing formula is easier in the control program of computer.According to this computing formula or fuzzy control scheduling algorithm, The form that can work out correspondence quickly calculates.
In an embodiment of the present invention, multiple stage DC brushless motor occasion, each electricity are included for separate unit DC fan coil pipe The actual speed of machine is different, controls driving means and will use method of weighting COMPREHENSIVE CALCULATING U0。
U 0 = &Sigma; n = 1 m ( a n &times; U 0 n )
Wherein, U0nThe actual speed of n-th DC brushless motor, m is that separate unit DC fan coil pipe includes brush DC electricity Board number, anFor the weight coefficient that DC brushless motor is corresponding,Each DC brushless motor rated power phase In the case of Tong, an=1/m.
In an embodiment of the present invention, anti-frost protection controls logic and refers to that temperature controller 1 is opened, return air temperature TWindIt is down to 7 DEG C Hereinafter, control driving means 2 directly to be run with direct current brushless motor coil pipe maximum speed limit value by DC brushless motor 3；Work as room Temperature rise to anti-frost protection when 7 DEG C controls logic and automatically cancels, and controls driving means 2 and recovers normally to control.
In an embodiment of the present invention, condensation protection control logic refers to be judged as refrigeration after controlling driving means 2 startup During operational mode, if TWind-TIfDuring value ＞ H, control driving means 2 directly by DC brushless motor 3 with direct current brushless motor coil pipe High rotational speed limit runs, when T occurWind-TIfWhen value reached once to be not more than H, and temperature controller 1 still has gear signal to be supplied to Controlling driving means 2, condensation protection controls logic and automatically cancels, and controls driving means 2 and recovers normally to control.Wherein, H scope is Between 0.1-4 DEG C.
In an alternative embodiment of the invention, condensation protection control logic refers to be judged as system after controlling driving means 2 startup During cold operation pattern, if TWind-TIfDuring value ＞ H, control driving means 2 and directly DC brushless motor 3 is controlled at temperature controller 1 the highest Gear correspondence rotating speed limits operated within range.When T occursWind-TIfWhen value reached once to be not more than H, and temperature controller 1 still has shelves Position signal is supplied to control driving means 2, and condensation protection controls logic and automatically cancels, and controls driving means 2 and recovers normally to control.
In an alternative embodiment of the invention, multiple stage DC brushless motor occasion is included for separate unit DC fan coil pipe, knot Dew protection controls logic and refers to when cooling operation mode, if TWind-TIfDuring value ＞ H, control driving means 2 directly by brush DC electricity Machine 3 controls to limit operated within range at temperature controller 1 high tap position correspondence rotating speed, if the motor speed calculated according to normal logic During less than (maximum speed limit value × (m-1)/m), close a DC brushless motor, when the motor speed calculated is less than Time (maximum speed limit value × (m-2)/m), turning off a DC brushless motor, the rest may be inferred.When T occursWind-TIfValue reaches When crossing once no more than H, and temperature controller 1 still has gear signal to be supplied to control driving means 2, and condensation protection controls logic certainly Dynamic cancellation, controls driving means 2 and recovers normally to control.
In an embodiment of the present invention, sleep pattern controls logic and refers to, as temperature controller 1 is supplied to control driving means 2 Gear signal is minimum speed gear signal and continues 30 minutes, controls the time of the clock control module monitoring of driving means 2 Between night 22:00 to morning 6:00, then automatically by TIfImprove 1 DEG C in cooling mode, later every 1 hour temperature TIfImprove 0.5 DEG C, the most accumulative rising 2 DEG C；T under heating modeIfReduce by 1 DEG C, later every 1 hour temperature TIfReduce by 0.5 DEG C, the most accumulative Reduce by 2 DEG C.If temperature controller gear signal switches to other gears, sleep pattern controls logic and automatically cancels, and controls driving means 2 Recover normal to control.
Can be by toggle switch 28 to whether using anti-frost protection, condensation protection, sleep pattern to control logic and set Fixed selection.
Figure 13 represents and uses direct current brushless motor coil pipe and the alternating current generator fan coil of the present invention and turn by respective notch The ruuning situation of the direct current brushless motor coil pipe that speed controls compares.Direct current generator traditional in figure i.e. refers to by respective notch rotating speed control The DC brushless motor of the direct current brushless motor coil pipe of system.Its power input to machine reduces 50-than alternating current generator fan coil 70%, reduce about 15% than the direct current brushless motor coil pipe controlled by respective notch rotating speed.Present invention ensures that brush DC Exerting oneself of fan coil is mated all the time with room conditioning load, it is ensured that DC brushless motor power consumptive province, direct current brushless motor coil pipe But exert oneself more thus save air-conditioner host power consumption.Figure 14 represents that the direct current brushless motor dish ratio using the present invention is by respective notch It is near design temperature and the most significant that the direct current brushless motor coil pipe that rotating speed controls more can realize indoor temperature fast and stable Temperature fluctuation, it is ensured that stablizing of room conditioning temperature, it is thus achieved that energy-conservation and raising indoor comfort degree effect.
Direct current brushless motor coil pipe according to the present invention, by surveying the gear signal of temperature controller and return air temperature sensor The return air temperature T obtainedWindCalculate air-conditioning design temperature TIf, and actual speed based on DC brushless motor, return air temperature TWindWith set Fixed temperature TIfCalculate DC brushless motor rotating speed of target, by the rotating speed of rotating speed correction Automatic continuous regulation DC brushless motor, On the one hand existing temperature controller structure can be utilized directly to improve, it is not necessary to be equipped with special temperature control for DC brushless motor Device, has saved improvement cost, on the other hand, by calculating DC brushless motor rotating speed of target, by actual speed and rotating speed of target Compare, and then regulation direct current brushless motor speed is all the time close to rotating speed of target, it is achieved DC brushless motor continuous-stable Rotational speed regulation, it is achieved thereby that the continuously adjusting of indoor temperature, reduce fluctuations in indoor temperature, improve indoor temperature and control essence Degree and the whole energy effect of fan coil.
The present invention is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is only intended to Citing and descriptive purpose, and be not intended to limit the invention in described scope of embodiments.In addition people in the art Member, it is understood that the invention is not limited in above-described embodiment, can also make more kinds of according to the teachings of the present invention Variants and modifications, within these variants and modifications all fall within scope of the present invention.Protection scope of the present invention by The appended claims and equivalent scope thereof are defined.

Claims (16)

1. a direct current brushless motor coil pipe, it is characterised in that include temperature controller, control driving means, return air temperature sensor And DC brushless motor, control driving means and be connected with temperature controller, return air temperature sensor and DC brushless motor respectively, its In,
Described control driving means is used for:
1) gear signal and the return air temperature T that records of described return air temperature sensor that described temperature controller provides are obtainedWind, according to institute State return air temperature TWindJudge described direct current brushless motor coil pipe operational mode, calculate design temperature in conjunction with described gear signal TIf；
2) actual speed of DC brushless motor, and actual speed based on DC brushless motor, return air temperature T are obtainedWindWith set Fixed temperature TIfCalculate DC brushless motor rotating speed of target；
3) turning of described DC brushless motor is regulated according to described DC brushless motor rotating speed of target and actual speed Automatic continuous Speed.
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that described control driving means is wrapped further Include straightening and filtering unit, gear detection device, Switching Power Supply, central processing unit, electric machine controller, insulated gate bipolar crystal Pipe, straightening and filtering unit is connected with temperature controller, Switching Power Supply and insulated gate bipolar transistor, gear detection device and temperature controller With central processing unit connect, Switching Power Supply is connected with electric machine controller and central processing unit, insulated gate bipolar transistor also with Electric machine controller and DC brushless motor connect, and central processing unit is also connected with electric machine controller and return air temperature sensor, its In,
Described straightening and filtering unit carries out rectifying and wave-filtering, by comprise in gear signal for the gear signal providing temperature controller Alternating current is converted to unidirectional current, sends to Switching Power Supply and insulated gate bipolar transistor；
Described gear detection device detects for the gear signal providing temperature controller, and the gear signal after detection is sent out Deliver to described central processing unit；
After unidirectional current is adjusted by described Switching Power Supply further, provide DC driven electricity to central processing unit and electric machine controller Source；
Described central processing unit, for receiving the gear signal that described gear detection device provides, obtains return air temperature sensor According to described return air temperature signal, return air temperature signal and the tach signal of DC brushless motor, judge that fan coil runs mould Formula, calculates design temperature T in conjunction with gear signalIf；Tach signal based on DC brushless motor, return air temperature signal and setting Temperature TIfCalculate DC brushless motor rotating speed of target；And according to described DC brushless motor rotating speed of target and actual speed to institute State electric machine controller and send rotary speed regulating signal；
Described electric machine controller provides driving signal according to described rotary speed regulating signal to insulated gate bipolar transistor；
Described insulated gate bipolar transistor determines, according to the signal that drives of electric machine controller, provide to DC brushless motor straight Stream electricity, and then regulation direct current brushless motor speed.
3. according to the direct current brushless motor coil pipe described in claim 1 and 2, it is characterised in that described temperature controller is believed by gear Number connecting line is connected with controlling driving means, and described control driving means is according to described return air temperature TWindTo gear signal connecting line Automatically identify.
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that the reality of described acquisition DC brushless motor Border rotating speed farther includes: described control driving means obtains the speed feedback signal of described DC brushless motor, according to rotating speed Feedback signal calculates the actual speed of DC brushless motor.
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that described control driving means is according to described Return air temperature TWindJudge direct current brushless motor coil pipe operational mode, calculate design temperature T in conjunction with described gear signalIfFurther Including:
According to return air temperature TWindJudge direct current brushless motor coil pipe operational mode, and according to direct current brushless motor coil pipe operational mode The critical temperature difference △ T that different gear signal is corresponding when switching is determined with described gear signal；According to described determine face Boundary temperature gap △ T and return air temperature TWindCalculate design temperature TIf。
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that described control driving means is according to described Return air temperature TWindJudge direct current brushless motor coil pipe operational mode, calculate design temperature T in conjunction with described gear signalIfFurther Including:
According to return air temperature TWindJudging direct current brushless motor coil pipe operational mode, if air vent mode, the most described control drives dress Put control DC brushless motor to run according to preset rotation speed；If refrigeration or heating mode, then according to direct current brushless motor coil pipe Operational mode and described gear signal determine critical temperature difference △ T corresponding during different gear signal switching；According to described The critical temperature difference △ T determined and return air temperature TWindCalculate design temperature TIf。
7. according to the direct current brushless motor coil pipe described in claim 5 or 6, it is characterised in that TIf=TWind-△ T, wherein, TIfFor On-fixed value, △ T is definite value.
8. according to the direct current brushless motor coil pipe described in any one of claim 5 to 7, it is characterised in that described control is driven Dynamic device is with the function of automatic decision critical temperature difference △ T.
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that according to described DC brushless motor target Rotating speed and actual speed Automatic continuous regulate the rotating speed of described DC brushless motor and farther include:
DC brushless motor rotating speed of target and DC brushless motor actual speed are contrasted；
If DC brushless motor rotating speed of target is identical with DC brushless motor actual speed, the most uncomfortable whole DC brushless motor turns Speed；If DC brushless motor rotating speed of target and DC brushless motor actual speed differ, then turn actual for DC brushless motor Velocity modulation is whole to rotating speed of target.
Direct current brushless motor coil pipe the most according to claim 1, it is characterised in that the target of described DC brushless motor Rotating speed and the actual speed of DC brushless motor, return air temperature TWindWith design temperature TIfBetween relation be:
U 1 = U 0 + K p &times; e + K i &times; &Integral; e d t + K d &times; d e d t
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, e=TWind- TIf,KiFor integral constant, KdFor derivative constant.
11. direct current brushless motor coil pipes according to claim 1, it is characterised in that the target of described DC brushless motor Rotating speed and described return air temperature TWindWith design temperature TIfBetween relation be:
Wherein, U1For DC brushless motor rotating speed of target, U0For DC brushless motor actual speed, KpFor proportionality coefficient, TiFor returning Air temperature, TIfFor design temperature, KiFor integral constant, KdFor derivative constant.
12. direct current brushless motor coil pipes according to claim 1, it is characterised in that described control driving means band with or without Line/wired/bluetooth communication module, network control module, clock control module, air supply rate control module, remotely/access control Module, data memory module, human-machine interface module, infrared data receiving processing module, air quality control module, backlight control One of which or the expanded functions of multinomial combination such as molding block.
13. direct current brushless motor coil pipes according to claim 2, it is characterised in that also set in described control driving means There is toggle switch, for setting the bound definite value of direct current brushless motor coil pipe each gear correspondence rotating speed.
14. direct current brushless motor coil pipes according to claim 1, it is characterised in that set on described return air temperature sensor There is temperature correction sensor, for verifying and correct the temperature drift of return air temperature sensor.
15. direct current brushless motor coil pipes according to claim 1, it is characterised in that described control driving means has anti- Freeze one of which or the control logics of multinomial combination such as protection, condensation protection, sleep control.
16. direct current brushless motor coil pipes according to claim 1, it is characterised in that described control driving means can be driven Dynamic 1 or multiple stage DC brushless motor.
CN201610585635.1A 2016-07-23 2016-07-23 A kind of direct current brushless motor coil pipe Pending CN106160590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610585635.1A CN106160590A (en) 2016-07-23 2016-07-23 A kind of direct current brushless motor coil pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610585635.1A CN106160590A (en) 2016-07-23 2016-07-23 A kind of direct current brushless motor coil pipe

Publications (1)

Publication Number Publication Date
CN106160590A true CN106160590A (en) 2016-11-23

Family

ID=58059649

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610585635.1A Pending CN106160590A (en) 2016-07-23 2016-07-23 A kind of direct current brushless motor coil pipe

Country Status (1)

Country Link
CN (1) CN106160590A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107947648A (en) * 2017-12-19 2018-04-20 深圳市创科维信电子有限公司 A kind of three-phase brushless motor drive circuit and its control method
CN111885894A (en) * 2020-08-06 2020-11-03 石家庄科林电气股份有限公司 Variable air volume heat dissipation method for direct current charger
CN112290839A (en) * 2020-11-16 2021-01-29 常州市乐丰电机有限公司 Three-gear constant-speed adjustable brushless motor control circuit and working method
CN112468026A (en) * 2020-11-16 2021-03-09 常州市乐丰电机有限公司 Three-gear constant-speed adjustable brushless motor and working method thereof
CN112984726A (en) * 2021-02-08 2021-06-18 青岛海尔空调器有限总公司 Control method and device for air conditioner and air conditioner
CN114256850A (en) * 2021-12-10 2022-03-29 三一重机有限公司 Working machine voltage control method, device, circuit and working machine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1928446A (en) * 2005-09-06 2007-03-14 大同股份有限公司 Air conditioner temperature control device
CN102679497A (en) * 2012-05-14 2012-09-19 广州市设计院 Improved self-correcting variable parameter fan coil temperature control method and special equipment
CN102721141A (en) * 2012-05-31 2012-10-10 广东欧科空调制冷有限公司 Control system and control method for direct-current brushless fan coil unit
CN203574577U (en) * 2013-10-30 2014-04-30 约克广州空调冷冻设备有限公司 Brushless direct current motor control system and brushless direct current fan-coil unit
CN105172819A (en) * 2015-08-07 2015-12-23 中国北车集团大连机车研究所有限公司 Air-condition electronic control system for electric locomotive and control method thereof
CN105353803A (en) * 2015-11-18 2016-02-24 南车青岛四方机车车辆股份有限公司 Rail-transit-vehicle-based temperature control method, apparatus, and system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1928446A (en) * 2005-09-06 2007-03-14 大同股份有限公司 Air conditioner temperature control device
CN102679497A (en) * 2012-05-14 2012-09-19 广州市设计院 Improved self-correcting variable parameter fan coil temperature control method and special equipment
CN102721141A (en) * 2012-05-31 2012-10-10 广东欧科空调制冷有限公司 Control system and control method for direct-current brushless fan coil unit
CN203574577U (en) * 2013-10-30 2014-04-30 约克广州空调冷冻设备有限公司 Brushless direct current motor control system and brushless direct current fan-coil unit
CN105172819A (en) * 2015-08-07 2015-12-23 中国北车集团大连机车研究所有限公司 Air-condition electronic control system for electric locomotive and control method thereof
CN105353803A (en) * 2015-11-18 2016-02-24 南车青岛四方机车车辆股份有限公司 Rail-transit-vehicle-based temperature control method, apparatus, and system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
邵民杰 等: "机场航站楼空调系统节能控制技术研究与实施", 《建筑电气》 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107947648A (en) * 2017-12-19 2018-04-20 深圳市创科维信电子有限公司 A kind of three-phase brushless motor drive circuit and its control method
CN107947648B (en) * 2017-12-19 2024-02-20 深圳市创科维信电子有限公司 Three-phase brushless motor driving circuit and control method thereof
CN111885894A (en) * 2020-08-06 2020-11-03 石家庄科林电气股份有限公司 Variable air volume heat dissipation method for direct current charger
CN111885894B (en) * 2020-08-06 2022-07-01 石家庄科林电气股份有限公司 Variable air volume heat dissipation method for direct current charger
CN112290839A (en) * 2020-11-16 2021-01-29 常州市乐丰电机有限公司 Three-gear constant-speed adjustable brushless motor control circuit and working method
CN112468026A (en) * 2020-11-16 2021-03-09 常州市乐丰电机有限公司 Three-gear constant-speed adjustable brushless motor and working method thereof
CN112984726A (en) * 2021-02-08 2021-06-18 青岛海尔空调器有限总公司 Control method and device for air conditioner and air conditioner
CN114256850A (en) * 2021-12-10 2022-03-29 三一重机有限公司 Working machine voltage control method, device, circuit and working machine

Similar Documents

Publication Publication Date Title
CN106160590A (en) A kind of direct current brushless motor coil pipe
CN104052343B (en) A kind of being used for replaces the ECM motor torque of PSC motor from the method for dynamic(al) correction
CN102193525B (en) System and method for monitoring device based on cloud computing
CN102193527B (en) System and method for managing and controlling energy sources of electronic information system machine room based on cloud computing
CN107255347B (en) A kind of cooler compressor operation power detecting method and air conditioner
CN104807152B (en) The constant air capacity control of PM motor direct Power Controls and its HVAC system of application
JP3123783B2 (en) Operation mode setting device for air conditioner
CN101027615A (en) Adaptable HVAC, AC motor speed, air temperature and air quality control system
CN105650730B (en) Method for regulating heat balance
US10948215B2 (en) System and method for wireless environmental zone control
US20220341611A1 (en) System and method for wireless environmental zone control with positioning feedback
CN101900394A (en) Building air-conditioner control system and method based on ZigBee wireless technology
JPH09294334A (en) System link generator
CN103529695A (en) Variable-frequency speed regulation water supply system based on day parting intelligent PID (proportion integration differentiation) regulator
CN108168043B (en) Variable flow active energy-saving automatic control system of central air-conditioning water system
CN102142686B (en) Branch-line voltage regulation device with controller taking voltage as criterion and combination switch
CN103836766A (en) Air conditioner indoor unit and automatic static pressure regulating method and device thereof
CN106679065A (en) Air conditioner control method and device
CN112880148A (en) Control method and device for air conditioner, electronic equipment and storage medium
CN105258306A (en) Automatic demand response device oriented to central air conditioning system and application method
CN203433387U (en) Piping and instrument diagram (PID)-based frequency-conversion and speed-regulation cooling control system
CN109114750A (en) Control method, device and the computer readable storage medium of air-conditioner outdoor unit
JPH09294335A (en) System link generator
CN205807748U (en) A kind of control system based on marine air conditioner
CN103187731A (en) Method for improving circuit voltage by adopting core controller and taking input voltage as reference

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20161123