CN110289801B - Ac吊扇电机高速挡高能效接线方法 - Google Patents

Ac吊扇电机高速挡高能效接线方法 Download PDF

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CN110289801B
CN110289801B CN201910647314.3A CN201910647314A CN110289801B CN 110289801 B CN110289801 B CN 110289801B CN 201910647314 A CN201910647314 A CN 201910647314A CN 110289801 B CN110289801 B CN 110289801B
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fan motor
capacitor
ceiling fan
capacitor group
voltage
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CN110289801A (zh
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郭庆堃
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Zhongshan Lida Electrical Appliances Co ltd
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Priority to US16/792,724 priority patent/US11177754B2/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/18Controlling the angular speed together with angular position or phase
    • H02P23/183Controlling the angular speed together with angular position or phase of one shaft without controlling the prime mover
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/42Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor
    • H02P1/44Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor by phase-splitting with a capacitor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/088Ceiling fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P23/00Arrangements or methods for the control of AC motors characterised by a control method other than vector control
    • H02P23/24Controlling the direction, e.g. clockwise or counterclockwise
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/02Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
    • H02P25/04Single phase motors, e.g. capacitor motors
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02PCONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P25/00Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
    • H02P25/16Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring
    • H02P25/18Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the circuit arrangement or by the kind of wiring with arrangements for switching the windings, e.g. with mechanical switches or relays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2270/00Control
    • F05D2270/30Control parameters, e.g. input parameters
    • F05D2270/335Output power or torque
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Ac Motors In General (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

AC吊扇电机高速挡高能效接线方法,包括调速器和全电压时输出力矩超过额定负载所需力矩的吊扇电机,吊扇电机绕组的两端分别与调压电容组和零线连接,所述调压电容组包括由电容C3降压使吊扇电机进行低速挡运行的电容组Ⅰ、由电容C2、电容C3并联降压使吊扇电机进行中速挡运行的电容组Ⅱ、由电容C1、电容C2、电容C3并联降压提效使吊扇电机在高速挡中进行高效运行的电容组Ⅲ,所述调速器包括输入端与火线连接的换挡开关,所述调速器通过换挡开关切换导通电容组Ⅰ、电容组Ⅱ或电容组Ⅲ调节吊扇电机的电压值。本发明提高了吊扇电机的工作效率和使用性能,降低了吊扇电机运转所需的能耗,响应国家节能减排的号召,适合进行大范围的推广应用。

Description

AC吊扇电机高速挡高能效接线方法
技术领域
本发明涉及吊扇的接线方法,具体涉及AC吊扇电机高速挡高能效接线方法。
背景技术
现有采用电容降压调速挡方式对三速挡吊扇电机调压原理如图1所示,由此图可知,调速器通过电源直通吊扇电机利用全电压进行高速挡运转、通过电容C1和电容C2并联对电源电压进行降压使吊扇电机进行中速挡运转、通过电容C2对电源电压进行降压使吊扇电机进行低速挡运转等方式实现吊扇电机的三挡速的调节。但是由吊扇电机的工作特性图图2可以看出,吊扇电机输入功率越小,其工作的效率更高。而常规电容降压式三挡调速挡的吊扇中,高速挡是在全电压下运行,因此此时风扇电机的输出功率是最大,输出力矩也是最大,但效率却是最低。
发明内容
为了克服现有技术的不足,本发明提供AC吊扇电机高速挡高能效接线方法。
本发明解决其技术问题所采用的技术方案是:
AC吊扇电机高速挡高能效接线方法,包括调速器和全电压时输出力矩超过额定负载所需力矩的吊扇电机,吊扇电机绕组的两端分别与调压电容组和零线连接,所述调压电容组包括由电容C3降压使吊扇电机进行低速挡运行的电容组Ⅰ、由电容C2、电容C3并联降压使吊扇电机进行中速挡运行的电容组Ⅱ、由电容C1、电容C2、电容C3并联降压提效使吊扇电机在高速挡中进行高效运行的电容组Ⅲ,所述调速器包括输入端与火线连接的换挡开关,所述调速器通过换挡开关切换导通电容组Ⅰ、电容组Ⅱ或电容组Ⅲ调节吊扇电机的电压值。
在本发明中,所述吊扇电机包括主绕组和副绕组,主绕组的两端分别与调压电容组的输出端和零线连接,所述副绕组串联有启动电容,所述主绕组与串联后的副绕组、起动电容并联。
在本发明中,还包括用于切换吊扇电机运转方向的正反转切换电路,所述正反转切换电路设置在主绕组与串联后的副绕组、起动电容的并联电路上。
在本发明中,所述换挡开关包括上层换挡片、下层换挡片和导通上层换挡片和下层换挡片的导线,所述上层换挡片与下层换挡片活动接触形成接通电容组Ⅰ输出降压后电压值的低速挡开关、接通电容组Ⅱ输出降压后电压值的中速挡开关、接通电容组Ⅲ输出降压后电压值的高速挡开关。
在本发明中,调速器、吊扇电机、调压电容组、正反转切换电路的接线连接位置均设有加强接线稳定性的接线帽。
本发明的有益效果:改变调压电容组的组成结构,并根据改变后调压电容组结合吊扇电机的工作特性图,确定吊扇电机在低速挡、中速挡、高速挡运转时,吊扇电机的最高效率值,再把吊扇电机做大,使改变后的吊扇电机在全电压时输出力矩超过额定负载所需力矩 ,并通过电容组Ⅲ提供相应的电压值驱动改进后的吊扇电机,提高了吊扇电机的工作效率和使用性能,降低了吊扇电机运转所需的能耗,响应国家节能减排的号召,适合进行大范围的推广应用。
附图说明
下面结合附图和实施方式对本发明进一步说明。
图1为三速挡吊扇电机调压原理简图。
图2为吊扇电机的工作特性图。
图3为本实施例的调压原理简图。
图4为本实施例的示意图。
实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。
参照图3、4, AC吊扇电机高速挡高能效接线方法,包括调速器1和全电压时输出力矩超过额定负载所需力矩的吊扇电机2,吊扇电机2绕组的两端分别与调压电容组和零线连接。进一步的,所述调压电容组包括由电容C3降压使吊扇电机2进行低速挡运行的电容组Ⅰ、由电容C2、电容C3并联降压使吊扇电机2进行中速挡运行的电容组Ⅱ、由电容C1、电容C2、电容C3并联降压提效使吊扇电机2在高速挡中进行高效运行的电容组Ⅲ;所述调速器1包括输入端与火线连接的换挡开关,换挡开关可切换连接电容组Ⅰ的输入端、电容组Ⅱ的输入端或电容组Ⅲ的输入端,所述调速器1通过换挡开关切换导通电容组Ⅰ、电容组Ⅱ或电容组Ⅲ调节吊扇电机2的电压值。
参照图3,上述的高速挡降压提高能效的原理如下:在特定负载下,将吊扇电机2做大,此时吊扇电机2的全电压时输出的力矩超过额定负载所需要的力矩;并根据此吊扇电机2的输出特性曲线图,找出在额定负载对应的输出功率及输入的电压,从而计算出高速挡时电容组Ⅲ要输出的降压电容值,在高速挡时电容组Ⅲ要输出降压电容值为电容C1、电容C2、电容C3三者相加之和,通过该电容值对电源的电压值进行降压,驱动改进后的吊扇电机2运转,实现提高吊扇电机2工作效率和使用性能的目的。
优选的,所述吊扇电机2包括主绕组21和副绕组22,主绕组21的两端分别与调压电容组的输出端和零线连接,所述副绕组22串联有起动电容3,所述主绕组21与串联后的副绕组22、起动电容3并联,上述的主绕组21也可称为定子外圈绕组,副绕组22称为定子内圈绕组,而调压电容组的输出端为电容组Ⅰ的输出端、电容组Ⅱ的输出端或电容组Ⅲ的输出端。进一步的,在本实施例中,AC吊扇电机高速挡高能效接线方法还包括用于切换吊扇电机2运转方向的正反转切换电路,所述正反转切换电路设置在主绕组21与串联后的副绕组22、起动电容3的并联电路上,通过正反转切换电路工作改变吊扇电机2的旋转磁场方向,以达到实现吊扇电机2正反转控制的目的。
优选的,所述换挡开关包括上层换挡片5、下层换挡片6和导通上层换挡片5和下层换挡片6的导线,所述上层换挡片5与下层换挡片6活动接触形成接通电容组Ⅰ输出降压后电压值的低速挡开关、接通电容组Ⅱ输出降压后电压值的中速挡开关、接通电容组Ⅲ输出降压后电压值的高速挡开关以及断开吊扇电机2运转回路的断路开关。进一步的,所述上层换挡片5上标记有“L、1、2、3”,并在上层换挡片5上形成上层L端、上层1端、上层2端、上层3端;所述下层换挡片6上同样标记有“L、1、2、3”,并在下层换挡片6上形成下层L端、下层1端、下层2端、下层3端;在上述结构中,上层L端、下层L端均与火线连接,上层2端与电容C2连接,上层3端与电容C3连接,下层1端与电容C1连接,当吊扇电机2进行低速挡、中速挡、高速挡运转时,其电路导通方式如下表1所示:
表1
优选的,在上述调速器1、吊扇电机2、正反转切换电路连接形成的回路中,调速器1、吊扇电机2、调压电容组、正反转切换电路的接线连接位置均设有加强接线稳定性的接线帽4,有效避免回路的各个接线位置由吊扇电机2振动导致接线间脱离分离的现象发生,有效提高了本发明的使用寿命和工作稳定性。
以上所述仅为本发明的优选实施方式,只要以基本相同手段实现本发明目的的技术方案都属于本发明的保护范围之内。

Claims (5)

1.AC吊扇电机高速挡高能效接线方法,其特征在于:包括调速器(1)和全电压时输出力矩超过额定负载所需力矩的吊扇电机(2),吊扇电机(2)绕组的两端分别与调压电容组和零线连接,所述调压电容组包括由电容C3降压使吊扇电机(2)进行低速挡运行的电容组Ⅰ、由电容C2、电容C3并联降压使吊扇电机(2)进行中速挡运行的电容组Ⅱ、由电容C1、电容C2、电容C3并联降压提效使吊扇电机(2)在高速挡中进行高效运行的电容组Ⅲ,所述调速器(1)包括输入端与火线连接的换挡开关,所述调速器(1)通过换挡开关切换导通电容组Ⅰ、电容组Ⅱ或电容组Ⅲ调节吊扇电机(2)的电压;根据吊扇电机(2)的输出特性曲线图,找出额定负载对应的输出功率及输入的电压,从而计算出高速挡时电容组Ⅲ要输出的降压电容值,在高速挡时电容组Ⅲ要输出的降压电容值为电容C1、电容C2、电容C3三者相加之和,通过该电容值对电源的电压值进行降压,驱动改进后的吊扇电机(2)运转。
2.根据权利要求1所述的AC吊扇电机高速挡高能效接线方法,其特征在于:所述吊扇电机(2)包括主绕组(21)和副绕组(22),主绕组(21)的两端分别与调压电容组的输出端和零线连接,所述副绕组(22)串联有起动电容,所述主绕组(21)与串联后的副绕组(22)、起动电容(3)并联。
3.根据权利要求2所述的AC吊扇电机高速挡高能效接线方法,其特征在于:还包括用于切换吊扇电机(2)运转方向的正反转切换电路,所述正反转切换电路设置在主绕组(21)与串联后的副绕组(22)、起动电容(3)的并联电路上。
4.根据权利要求1所述的AC吊扇电机高速挡高能效接线方法,其特征在于:所述换挡开关包括上层换挡片(5)、下层换挡片(6)和导通上层换挡片(5)和下层换挡片(6)的导线,所述上层换挡片(5)与下层换挡片(6)活动接触形成接通电容组Ⅰ输出降压后电压值的低速挡开关、接通电容组Ⅱ输出降压后电压值的中速挡开关、接通电容组Ⅲ输出降压后电压值的高速挡开关。
5.根据权利要求3所述的AC吊扇电机高速挡高能效接线方法,其特征在于:调速器(1)、吊扇电机(2)、调压电容组、正反转切换电路的接线连接位置均设有加强接线稳定性的接线帽(4)。
CN201910647314.3A 2019-07-17 2019-07-17 Ac吊扇电机高速挡高能效接线方法 Active CN110289801B (zh)

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