CN106230338B - control method and circuit of single-phase motor - Google Patents
control method and circuit of single-phase motor Download PDFInfo
- Publication number
- CN106230338B CN106230338B CN201610591896.4A CN201610591896A CN106230338B CN 106230338 B CN106230338 B CN 106230338B CN 201610591896 A CN201610591896 A CN 201610591896A CN 106230338 B CN106230338 B CN 106230338B
- Authority
- CN
- China
- Prior art keywords
- torque
- winding
- output
- range
- control switch
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims abstract description 247
- 239000003990 capacitor Substances 0.000 claims description 10
- 230000005611 electricity Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements 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
- H02P25/04—Single phase motors, e.g. capacitor motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
The invention discloses a control method and a circuit of a single-phase motor. Wherein, the method comprises the following steps: acquiring the torque to be output of the single-phase motor; determining a torque range in which a torque to be output is located from a plurality of preset torque ranges of the single-phase motor, wherein each torque range corresponds to one winding and one control switch; and controlling the corresponding control switch to be closed according to the torque range of the torque to be output so as to enable the corresponding winding to be used as the working winding of the single-phase motor. The invention solves the technical problems of fixed working torque range of the single-phase motor and limited utilization rate and application range of the motor in the prior art.
Description
Technical field
The present invention relates to monophase machine fields, in particular to the control method and circuit of a kind of monophase machine.
Background technique
Monophase machine refers to the little power single phase asynchronous motor powered with single phase alternating current power supply (AC220V), due to single-phase electricity
The output power of machine is little, and the rotor of general monophase machine all uses cage rotor, its stator has a set of Working winding,
Referred to as main winding, it can only be generated just in the air gap of monophase machine, and the impulsive magnetic field of negative alternation cannot generate rotating excitation field,
Therefore, starting torque cannot also be generated.In order to make that rotating excitation field can be generated in motor air gap, it is also necessary to have set auxiliary around
Group, referred to as auxiliary winding, the magnetic field in the magnetic field and main winding that are generated due to auxiliary winding are closed friendship in motor air gap and generate rotary magnetic
, motor generates detent torque at this time, and therefore, the rotor of monophase machine could be rotated voluntarily.
But the operation torque range of monophase machine is relatively more fixed at present, as shown in Figure 1, monophase machine includes main winding
R1, auxiliary winding R2 and start-up capacitance C, main winding R1 are Working winding, and operation torque range is torque provided by main winding R1
Range.A set of winding scheme (including main winding and auxiliary winding) can only correspond to small-scale torque output, the utilization of monophase machine
Rate and the scope of application compare limitation.
It is fixed for the operation torque range of monophase machine in the prior art, the utilization rate of motor and restricted application
Problem, currently no effective solution has been proposed.
Summary of the invention
The embodiment of the invention provides a kind of control method of monophase machine and circuits, single in the prior art at least to solve
The technical issues of operation torque range of phase motor is fixed, the utilization rate and restricted application of motor.
According to an aspect of an embodiment of the present invention, a kind of control method of monophase machine is provided, comprising: obtain single-phase
The torque to be output of motor；From the preset multiple torque ranges of monophase machine, torque range locating for torque to be output is determined,
Wherein, the corresponding winding of each torque range and a control switch；According to torque range locating for torque to be output, control
Corresponding control switch closure, so that Working winding of the corresponding winding as monophase machine.
According to another aspect of an embodiment of the present invention, additionally provide a kind of control circuit of monophase machine, comprising: it is multiple around
Group, multiple winding parallels are at the both ends of AC power source；Multiple control switches, each control switch are connected on corresponding winding and hand over
Between galvanic electricity source；Processor, for obtaining the torque to be output of monophase machine, from the preset multiple torque ranges of monophase machine
In, determine torque range locating for torque to be output, wherein the corresponding winding of each torque range and a control switch；
Controller is connect with multiple control switches and processor, for the torque range according to locating for torque to be output, is controlled corresponding
Control switch closure, so that Working winding of the corresponding winding as monophase machine.
In embodiments of the present invention, the torque to be output of available monophase machine, preset multiple turns from monophase machine
In square range, torque range locating for torque to be output, and the torque range according to locating for torque to be output are determined, control corresponds to
Control switch closure so that Working winding of the corresponding winding as monophase machine.It is easily noted that, multiple torque models
Corresponding multiple windings and control switch are enclosed, is closed by controlling different control switches, can choose different winding conducts
Working winding increases the torque output range of monophase machine, and the operation torque range for solving monophase machine in the prior art is solid
Calmly, the technical issues of the utilization rate and restricted application of motor.Therefore, above-described embodiment through the invention, can make same
A monophase machine is attained by optimum Working under multiple torques, improve the torque range of monophase machine, utilization rate and
Applicable performance reduces energy consumption.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of monophase machine according to prior art；
Fig. 2 is a kind of flow chart of the control method of monophase machine according to an embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of the control circuit of optional monophase machine according to an embodiment of the present invention；And
Fig. 4 is a kind of schematic diagram of the control circuit of monophase machine according to an embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Embodiment 1
According to embodiments of the present invention, a kind of embodiment of the method for the control method of monophase machine is provided, needs to illustrate
It is that step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions,
Also, although logical order is shown in flow charts, and it in some cases, can be to be different from sequence execution herein
Shown or described step.
Fig. 2 is a kind of flow chart of the control method of monophase machine according to an embodiment of the present invention, as shown in Fig. 2, the party
Method includes the following steps:
Step S202 obtains the torque to be output of monophase machine.
Specifically, above-mentioned torque to be output can be the torque that monophase machine is provided to load, in different operating ring
In border, the torque for loading needs is different.
Step S204 determines torque range locating for torque to be output from the preset multiple torque ranges of monophase machine,
Wherein, the corresponding winding of each torque range and a control switch.
Specifically, above-mentioned multiple torque ranges can be provided by multiple windings, the corresponding winding of each torque range, no
With umber of turn difference, the number of turns of winding can need be determined according to the working environment of monophase machine, the present invention to this not
Make specific limit.In monophase machine work, a winding can only be selected as Working winding from multiple windings, therefore, often
One control switch of a windings in series, determines Working winding by the on-off of control switch, further determines that turning for monophase machine
Square range.
Optionally, in the above embodiment of the present invention, the preset multiple torque ranges of monophase machine may include: first turn
Square range and the second torque range, monophase machine may include: that corresponding first winding of the first torque range and the first control are opened
It closes, corresponding second winding of the second torque range and the second control switch, wherein the number of turns of the first winding and the second winding is not
Together.
Step S206 controls corresponding control switch closure, so that corresponding according to torque range locating for torque to be output
Working winding of the winding as monophase machine.
Optionally, in the above embodiment of the present invention, after controlling corresponding control switch closure, monophase machine can be with
Reach optimum Working.
In a kind of optional scheme, after the torque range locating for the torque for determining load needs, work can be determined
It for the winding of Working winding, and controls and is closed with the control switch of the windings in series, monophase machine work is provided in the winding
Torque range in, monophase machine works in most suitable power bracket, not only can be by the torque needed for loading, but also can be with
Guarantee that input power is moderate, to reach optimum Working.
For example, the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.Single-phase electricity
Machine may include winding R1, winding R2, switch S1 and switch S2, wherein the number of turns of winding R1 and winding R2 is different, winding R1 and
Winding R2 is connected in parallel on the both ends of AC power source U, switch S1 and winding R1 series connection, switch S2 and winding R2 series connection.When winding R1 is
When main winding, winding R2 can be auxiliary winding；When winding R2 is main winding, winding R1 can be auxiliary winding, and therefore, this is single-phase
Motor may include double winding scheme, and double winding can provide different torque ranges, and main winding R1 can provide first
Torque range, main winding R2 can provide the second torque range.It, can be according to load after getting the torque that load needs
The torque needed determines torque range locating for the torque, for example, it may be the second torque range, then control switch S2 is closed,
Winding R2 is as main winding, and winding R1 is as auxiliary winding.
Above-described embodiment through the invention, the torque to be output of available monophase machine are preset more from monophase machine
In a torque range, torque range locating for torque to be output, and the torque range according to locating for torque to be output are determined, control
Corresponding control switch closure, so that Working winding of the corresponding winding as monophase machine.It is easily noted that, Duo Gezhuan
The corresponding multiple windings of square range and control switch are closed by controlling different control switches, can choose different windings
As Working winding, increase the torque output range of monophase machine, solves the operation torque model of monophase machine in the prior art
Fixation is enclosed, the technical issues of the utilization rate and restricted application of motor.Therefore, above-described embodiment through the invention, can make
The same monophase machine is attained by optimum Working under multiple torques, improves torque range, the utilization rate of monophase machine
And applicable performance, reduce energy consumption.
Optionally, in the above embodiment of the present invention, step S206, according to torque range locating for torque to be output, control
Corresponding control switch closure is made, so that Working winding of the corresponding winding as monophase machine, comprising:
Step S2062, in the case that the torque range locating for torque to be output is the first torque range, the first control of control
System closes the switch, and controls the second control switch and disconnect, so that the first winding is as Working winding.
Step S2064, in the case that the torque range locating for torque to be output is the second torque range, the second control of control
System closes the switch, and controls the first control switch and disconnect, so that the second winding is as Working winding.
Herein it should be noted that due to needing a Working winding when monophase machine work, multiple control switches
It can only be closed one simultaneously, if multiple control switches simultaneously switch off, i.e., monophase machine does not access Working winding or multiple controls
System switch is closed at, i.e., monophase machine accesses multiple Working windings, then monophase machine can not normally start.
In a kind of optional scheme, after determining that torque range described in torque to be output is the first torque range,
It can determine and need using the first winding as Working winding, so as to which the first control switch to be closed, and guarantee the second control
Switch is in an off state, and the first winding accesses monophase machine, and the torque output range of monophase machine is the first torque range；?
Torque range described in torque to be output is determined as that can determine and need using the first winding as work after the first torque range
Winding so as to which the first control switch to be closed, and guarantees that the second control switch is in an off state, and the access of the first winding is single
Phase motor, the torque output range of monophase machine are the first torque range.
For example, still the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.It is obtaining
After getting the torque that load needs, can torque range locating for the torque, if torque range locating for the torque is the
One torque range can control switch S1 closure, and switch S2 is disconnected, and winding R1 is Working winding, and corresponding monophase machine work exists
In torque range provided by winding R1, monophase machine reaches optimum Working.If torque range locating for the torque is
Second torque range can control switch S2 closure, and switch S1 is disconnected, and winding R2 is Working winding, corresponding monophase machine work
In the torque range provided by winding R2, monophase machine reaches optimum Working.
Optionally, in the above embodiment of the present invention, step S204 determines torque range packet locating for torque to be output
It includes:
Step S2042, judges whether torque to be output is in the first torque range.
Step S2044, if torque to be output is in the first torque range, it is determined that the corresponding torque of torque to be output
Range is the first torque range.
Step S2046 judges whether torque to be output is in if torque to be output is not in the first torque range
In second torque range.
Step S2048, if torque to be output is in the second torque range, it is determined that the corresponding torque of torque to be output
Range is the second torque range.
In a kind of optional scheme, torque required for the load for the monophase machine that can be will acquire and the first torque
Range and the second torque range are compared, and judge that loading required torque is in the first torque range or the second torque model
It encloses, torque can be compared with the first torque range required for the first load by monophase machine, if monophase machine is negative
Torque required for carrying is not within the first torque range, then further again torque required for the load by monophase machine with
Second torque range is compared.
Optionally, in the above embodiment of the present invention, step S204 determines torque range packet locating for torque to be output
It includes:
Step S2041, judges whether torque to be output is more than or equal to the first preset torque.
Step S2043, if torque to be output is more than or equal to the first preset torque, it is determined that corresponding turn of torque to be output
Square range is the first torque range.
Step S2045, if torque to be output judges whether torque to be output is less than or equal to less than the first preset torque
Second preset torque.
Step S2047, if torque to be output is less than or equal to the second preset torque, it is determined that corresponding turn of torque to be output
Square range is the second torque range.
Specifically, above-mentioned first preset torque can be the minimum torque of the first torque range, above-mentioned second preset torque
It can be the torque capacity of the second preset range, the first torque range is greater than the second torque range.
In a kind of optional scheme, the minimum torque of available larger torque range, and smaller torque range
Torque capacity, for example, larger torque range is the first torque range, smaller torque range is the second torque range, by loading
The torque needed is compared with minimum torque, judges to load whether required torque is more than or equal to minimum torque, if it is, really
Torque needed for fixed load is in larger torque range, that is, is in the first torque range, if it is not, then turning needed for determining load
Square is not in larger torque range, is further compared torque needed for load with torque capacity, judges to load required
Whether torque is less than or equal to torque capacity, if it is, determining that torque be in smaller torque range needed for load, that is, is in the
Two torque ranges.
Herein it should be noted that in the case where the working environment of monophase machine changes, for example, monophase machine
Load first torque range provided by the winding R1 changes to the second torque range provided by winding R2, then can disconnect open
S1, closure switch S2 are closed, Working winding is become into winding R2 from winding R1.
Embodiment 2
According to embodiments of the present invention, a kind of product embodiments of the control circuit of monophase machine are additionally provided.
Fig. 4 is a kind of schematic diagram of the control circuit of monophase machine according to an embodiment of the present invention, as shown in figure 4, the electricity
Road includes:
Multiple windings 41, multiple windings 41 are connected in parallel on the both ends of AC power source 40.
Multiple control switches 43, each control switch 43 are connected between corresponding winding 41 and AC power source 40.
It optionally, include: the first torque in the preset multiple torque ranges of monophase machine in the above embodiment of the present invention
In the case where range and the second torque range, multiple windings include: the first winding and the second winding, wherein the first winding and
One torque range is corresponding, and the second winding is corresponding with the second torque range, and the number of turns of the first winding and the second winding is different；Multiple controls
System switch includes: the first control switch and the second control switch, the first control switch be connected on the first winding and AC power source it
Between, the second control switch is connected between the second winding and AC power source, wherein the first control switch and the first torque range pair
It answers, the second control switch is corresponding with the second torque range.
For example, the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.Single-phase electricity
Machine may include winding R1, winding R2, switch S1 and switch S2, wherein winding R1 and winding R2 are connected in parallel on the two of AC power source U
The number of turns at end, winding R1 and winding R2 is different, switch S1 and winding R1 series connection, switch S2 and winding R2 series connection.When winding R1 is
When main winding, winding R2 can be auxiliary winding；When winding R2 is main winding, winding R1 can be auxiliary winding, and therefore, this is single-phase
Motor may include double winding scheme, and double winding can provide different torque ranges, and main winding R1 can provide first
Torque range, main winding R2 can provide the second torque range.It, can be according to determination after getting the torque that load needs
Torque range locating for the torque, for example, it may be the second torque range, then control switch S2 is closed, winding R2 as it is main around
Group, winding R1 is as auxiliary winding.
Processor 45, for obtaining the torque to be output of monophase machine, from the preset multiple torque ranges of monophase machine,
Determine torque range locating for torque to be output, wherein the corresponding winding of each torque range and control switch.
Specifically, above-mentioned torque to be output can be the torque that monophase machine is provided to load, in different operating ring
In border, the torque for loading needs is different.Above-mentioned multiple torque ranges can be provided by multiple windings, each torque range corresponding one
A winding, different umber of turns are different, and the number of turns of winding can need to be determined according to the working environment of monophase machine, this hair
It is bright that this is not especially limited.In monophase machine work, a winding can only be selected as Working winding from multiple windings,
Therefore, one control switch of each windings in series determines Working winding by the on-off of control switch, further determines that single-phase electricity
The torque range of machine.
Controller 47 is connect, for the torque according to locating for torque to be output with multiple control switches 43 and processor 45
Range controls corresponding control switch closure, so that Working winding of the corresponding winding as monophase machine.
In a kind of optional scheme, after the torque range locating for the torque for determining load needs, work can be determined
It for the winding of Working winding, and controls and is closed with the control switch of the windings in series, monophase machine work is provided in the winding
Torque range in, monophase machine works in most suitable power bracket, not only can be by the torque needed for loading, but also can be with
Guarantee that input power is moderate, to reach optimum Working.
For example, still the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.In Fig. 3
Controller and processor are not showed that, after getting the torque that load needs, what can be needed according to load turns processor
Square determines torque range locating for the torque, for example, it may be the second torque range, then controller control switch S2 is closed, around
R2 is as main winding for group, and winding R1 is as auxiliary winding.
Above-described embodiment through the invention, the torque to be output of available monophase machine are preset more from monophase machine
In a torque range, torque range locating for torque to be output, and the torque range according to locating for torque to be output are determined, control
Corresponding control switch closure, so that Working winding of the corresponding winding as monophase machine.It is easily noted that, Duo Gezhuan
The corresponding multiple windings of square range and control switch are closed by controlling different control switches, can choose different windings
As Working winding, increase the torque output range of monophase machine, solves the operation torque model of monophase machine in the prior art
Fixation is enclosed, the technical issues of the utilization rate and restricted application of motor.Therefore, above-described embodiment through the invention, can make
The same monophase machine is attained by optimum Working under multiple torques, improves torque range, the utilization rate of monophase machine
And applicable performance, reduce energy consumption.
Optionally, in the above embodiment of the present invention, controller 47 includes:
First control module, for the torque range locating for torque to be output be the first torque range in the case where, control
The first control switch closure is made, and controls the second control switch and disconnects, so that the first winding is as Working winding.
Second control module, for the torque range locating for torque to be output be the second torque range in the case where, control
The second control switch closure is made, and controls the first control switch and disconnects, so that the second winding is as Working winding.
Herein it should be noted that due to needing a Working winding when monophase machine work, multiple control switches
It can only be closed one simultaneously, if multiple control switches simultaneously switch off, i.e., monophase machine does not access Working winding or multiple controls
System switch is closed at, i.e., monophase machine accesses multiple Working windings, then monophase machine can not normally start.
In a kind of optional scheme, after determining that torque range described in torque to be output is the first torque range,
It can determine and need using the first winding as Working winding, so as to which the first control switch to be closed, and guarantee the second control
Switch is in an off state, and the first winding accesses monophase machine, and the torque output range of monophase machine is the first torque range；?
Torque range described in torque to be output is determined as that can determine and need using the first winding as work after the first torque range
Winding so as to which the first control switch to be closed, and guarantees that the second control switch is in an off state, and the access of the first winding is single
Phase motor, the torque output range of monophase machine are the first torque range.
For example, still the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.It is obtaining
After getting the torque that load needs, can torque range locating for the torque, if torque range locating for the torque is the
One torque range can control switch S1 closure, and switch S2 is disconnected, and winding R1 is Working winding, and corresponding monophase machine work exists
In torque range provided by winding R1, monophase machine reaches optimum Working.If torque range locating for the torque is
Second torque range can control switch S2 closure, and switch S1 is disconnected, and winding R2 is Working winding, corresponding monophase machine work
In the torque range provided by winding R2, monophase machine reaches optimum Working.
Optionally, in the above embodiment of the present invention, processor 45 includes:
First judgment module, for judging whether torque to be output is in the first torque range.
First determining module, if be in the first torque range for torque to be output, it is determined that torque pair to be output
The torque range answered is the first torque range.
Second judgment module judges torque to be output if be not in the first torque range for torque to be output
Whether in the second torque range.
Second determining module, if be in the second torque range for torque to be output, it is determined that torque pair to be output
The torque range answered is the second torque range.
In a kind of optional scheme, torque required for the load for the monophase machine that can be will acquire and the first torque
Range and the second torque range are compared, and judge that loading required torque is in the first torque range or the second torque model
It encloses, torque can be compared with the first torque range required for the first load by monophase machine, if monophase machine is negative
Torque required for carrying is not within the first torque range, then further again torque required for the load by monophase machine with
Second torque range is compared.
Optionally, in the above embodiment of the present invention, processor 45 includes:
Third judgment module, for judging whether torque to be output is more than or equal to the first preset torque.
Third determining module, if being more than or equal to the first preset torque for torque to be output, it is determined that torque to be output
Corresponding torque range is the first torque range.
4th judgment module, if whether judging torque to be output less than the first preset torque for torque to be output
Less than or equal to the second preset torque.
4th determining module, if being less than or equal to the second preset torque for torque to be output, it is determined that torque to be output
Corresponding torque range is the second torque range.
Specifically, above-mentioned first preset torque can be the minimum torque of the first torque range, above-mentioned second preset torque
It can be the torque capacity of the second preset range, the first torque range is greater than the second torque range.
In a kind of optional scheme, the minimum torque of available larger torque range, and smaller torque range
Torque capacity, for example, larger torque range is the first torque range, smaller torque range is the second torque range, by loading
The torque needed is compared with minimum torque, judges to load whether required torque is more than or equal to minimum torque, if it is, really
Torque needed for fixed load is in larger torque range, that is, is in the first torque range, if it is not, then turning needed for determining load
Square is not in larger torque range, is further compared torque needed for load with torque capacity, judges to load required
Whether torque is less than or equal to torque capacity, if it is, determining that torque be in smaller torque range needed for load, that is, is in the
Two torque ranges.
Optionally, in the above embodiment of the present invention, foregoing circuit further include:
Capacitor, one end are connect with the tie point of the first winding and the first control switch, the other end and the second winding and second
The tie point of control switch connects.
Specifically, the size of capacitor can be set according to the actual needs of monophase machine, the present invention does not make this to have
Body limits.
Optionally, in the above embodiment of the present invention, above-mentioned capacitor can be the start-up capacitance of monophase machine.
Optionally, in the above embodiment of the present invention, when the first control switch is closed, and the second control switch disconnects, the
One winding parallel is connected in parallel on the both ends of AC power source in the both ends of AC power source, the second winding after being connected in series to the capacitor；When the first control
System switch disconnects, and when the second control switch is closed, the first winding is connected in parallel on the both ends of AC power source after being connected in series to the capacitor, second around
Group is connected in parallel on the both ends of AC power source.
For example, still the above embodiment of the present invention is described in detail by taking monophase machine as shown in Figure 3 as an example.It is single-phase
Motor can also include start-up capacitance C, wherein the tie point of winding R1 and switch S1 is Z1, the connection of winding R2 and switch S2
Point is Z2, and start-up capacitance C is connected between tie point Z1 and tie point Z2.By the mutual switching of control switch, so that
Winding R1 and winding R2 can connect with start-up capacitance C in turn, when switch S1 is closed, and switch S2 is disconnected, winding R2 and starting
Capacitor C series connection, in parallel with winding R1, at this point, winding R1 is Working winding, monophase machine works first provided by the winding R1
In torque range；When switch S1 disconnection, switch S2, winding R1 connects with start-up capacitance C, in parallel with winding R2, at this point, winding
R2 is Working winding, and monophase machine works in the torque range provided by winding R2.
Herein it should be noted that in the case where the working environment of monophase machine changes, for example, monophase machine
Load first torque range provided by the winding R1 changes to the second torque range provided by winding R2, then can disconnect open
S1, closure switch S2 are closed, Working winding is become into winding R2 from winding R1.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.
In several embodiments provided herein, it should be understood that disclosed technology contents can pass through others
Mode is realized.Wherein, the apparatus embodiments described above are merely exemplary, such as the division of the unit, Ke Yiwei
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of unit or module
It connects, can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (13)
1. a kind of control method of monophase machine characterized by comprising
Obtain the torque to be output of monophase machine；
From the preset multiple torque ranges of the monophase machine, torque range locating for the torque to be output is determined, wherein
The corresponding winding of each torque range and a control switch；
According to torque range locating for the torque to be output, corresponding control switch closure is controlled, so that corresponding winding is made
For the Working winding of the monophase machine, wherein other windings in addition to the Working winding are as auxiliary winding；
Wherein, in the feelings that the preset multiple torque ranges of the monophase machine include: the first torque range and the second torque range
Under condition, the monophase machine includes: corresponding first winding of first torque range and the first control switch, and described second turn
Corresponding second winding of square range and the second control switch, wherein first winding is different with the number of turns of second winding.
2. the method according to claim 1, wherein the torque range according to locating for the torque to be output, control
Corresponding control switch closure is made, so that Working winding of the corresponding winding as the monophase machine, comprising:
In the case that the torque range locating for the torque to be output is first torque range, first control is controlled
It closes the switch, and controls second control switch and disconnect, so that first winding is as the Working winding；
In the case that the torque range locating for the torque to be output is second torque range, second control is controlled
It closes the switch, and controls first control switch and disconnect, so that second winding is as the Working winding.
3. the method according to claim 1, wherein determining torque range packet locating for the torque to be output
It includes:
Judge whether the torque to be output is in first torque range；
If the torque to be output is in first torque range, it is determined that the corresponding torque model of the torque to be output
It encloses for first torque range；
If the torque to be output is not in first torque range, judge whether the torque to be output is in institute
It states in the second torque range；
If the torque to be output is in second torque range, it is determined that the corresponding torque model of the torque to be output
It encloses for second torque range.
4. the method according to claim 1, wherein determining torque range packet locating for the torque to be output
It includes:
Judge whether the torque to be output is more than or equal to the first preset torque；
If the torque to be output is more than or equal to first preset torque, it is determined that the corresponding torque of the torque to be output
Range is first torque range；
If the torque to be output is less than first preset torque, judge whether the torque to be output is less than or equal to the
Two preset torques；
If the torque to be output is less than or equal to second preset torque, it is determined that the corresponding torque of the torque to be output
Range is second torque range.
5. method as claimed in any of claims 1 to 4, which is characterized in that closed controlling corresponding control switch
After conjunction, the monophase machine reaches optimum Working.
6. a kind of control circuit of monophase machine characterized by comprising
Multiple windings, the multiple winding parallel is at the both ends of AC power source；
Multiple control switches, each control switch are connected between corresponding winding and the AC power source；
Processor, for obtaining the torque to be output of monophase machine, from the preset multiple torque ranges of the monophase machine, really
Torque range locating for the fixed torque to be output, wherein the corresponding winding of each torque range and a control switch；
Controller is connect with the multiple control switch and the processor, for being turned according to locating for the torque to be output
Square range controls corresponding control switch closure, so that Working winding of the corresponding winding as the monophase machine, wherein
Other windings in addition to the Working winding are as auxiliary winding；
Wherein, in the feelings that the preset multiple torque ranges of the monophase machine include: the first torque range and the second torque range
Under condition,
The multiple winding includes: the first winding and the second winding, wherein first winding and first torque range pair
It answers, second winding is corresponding with second torque range, and first winding is different with the number of turns of second winding；
The multiple control switch includes: the first control switch and the second control switch, and first control switch is connected on institute
It states between the first winding and the AC power source, second control switch is connected on second winding and the AC power source
Between, wherein first control switch is corresponding with first torque range, second control switch with described second turn
Square range is corresponding.
7. circuit according to claim 6, which is characterized in that the controller includes:
First control module, for the torque range locating for the torque to be output be first torque range the case where
Under, the first control switch closure is controlled, and control second control switch and disconnect, so that first winding is as institute
State Working winding；
Second control module, for the torque range locating for the torque to be output be second torque range the case where
Under, the second control switch closure is controlled, and control first control switch and disconnect, so that second winding is as institute
State Working winding.
8. circuit according to claim 6, which is characterized in that the processor includes:
First judgment module, for judging whether the torque to be output is in first torque range；
First determining module, if be in first torque range for the torque to be output, it is determined that described to defeated
The corresponding torque range of torque is first torque range out；
Second judgment module, if be not in first torque range for the torque to be output, judgement it is described to
Whether output torque is in second torque range；
Second determining module, if be in second torque range for the torque to be output, it is determined that described to defeated
The corresponding torque range of torque is second torque range out.
9. circuit according to claim 6, which is characterized in that the processor includes:
Third judgment module, for judging whether the torque to be output is more than or equal to the first preset torque；
Third determining module, if for the torque to be output be more than or equal to first preset torque, it is determined that it is described to
The corresponding torque range of output torque is first torque range；
4th judgment module judges described to be output if being less than first preset torque for the torque to be output
Whether torque is less than or equal to the second preset torque；
4th determining module, if for the torque to be output be less than or equal to second preset torque, it is determined that it is described to
The corresponding torque range of output torque is second torque range.
10. circuit according to any one of claims 6 to 9, which is characterized in that the circuit further include:
Capacitor, one end are connect with the tie point of first winding and first control switch, the other end with described second around
Group is connected with the tie point of second control switch.
11. circuit according to claim 10, which is characterized in that the capacitor is the start-up capacitance of the monophase machine.
12. circuit according to claim 10, which is characterized in that
When first control switch is closed, and second control switch disconnects, first winding parallel is in the exchange
The both ends of power supply, second winding are connected in parallel on the both ends of the AC power source after connecting with the capacitor；
When first control switch disconnects, and second control switch is closed, first winding is connected with the capacitor
It is connected in parallel on the both ends of the AC power source afterwards, second winding parallel is at the both ends of the AC power source.
13. circuit according to claim 6, which is characterized in that after controlling corresponding control switch closure, the list
Phase motor reaches optimum Working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591896.4A CN106230338B (en) | 2016-07-25 | 2016-07-25 | control method and circuit of single-phase motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610591896.4A CN106230338B (en) | 2016-07-25 | 2016-07-25 | control method and circuit of single-phase motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106230338A CN106230338A (en) | 2016-12-14 |
| CN106230338B true CN106230338B (en) | 2019-04-30 |
Family
ID=57534024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610591896.4A Active CN106230338B (en) | 2016-07-25 | 2016-07-25 | control method and circuit of single-phase motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106230338B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05252708A (en) * | 1992-03-03 | 1993-09-28 | Matsushita Electric Ind Co Ltd | Single-phase induction start type synchronous motor |
| CN201533269U (en) * | 2009-06-09 | 2010-07-21 | 中山大洋电机股份有限公司 | Double-speed single-phase alternating current motor |
| CN101985945A (en) * | 2010-10-07 | 2011-03-16 | 叶露微 | Air speed step indicating circuit of electric fan |
| CN203883732U (en) * | 2014-04-30 | 2014-10-15 | 雷勃电气(常州)有限公司 | Electronic centrifugal switch circuit for double-speed motor |
| CN204003546U (en) * | 2014-06-13 | 2014-12-10 | 艾美特电器（深圳）有限公司 | A kind of many gears wind speed electric fan |
| CN204794788U (en) * | 2015-07-08 | 2015-11-18 | 浙江苏泊尔家电制造有限公司 | Range hood and be used for range hood's AC motor drive circuit |
| CN204886778U (en) * | 2015-08-21 | 2015-12-16 | 安徽美芝精密制造有限公司 | Winding auto -change over device of air conditioner, compressor system and motor |
-
2016
- 2016-07-25 CN CN201610591896.4A patent/CN106230338B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05252708A (en) * | 1992-03-03 | 1993-09-28 | Matsushita Electric Ind Co Ltd | Single-phase induction start type synchronous motor |
| CN201533269U (en) * | 2009-06-09 | 2010-07-21 | 中山大洋电机股份有限公司 | Double-speed single-phase alternating current motor |
| CN101985945A (en) * | 2010-10-07 | 2011-03-16 | 叶露微 | Air speed step indicating circuit of electric fan |
| CN203883732U (en) * | 2014-04-30 | 2014-10-15 | 雷勃电气(常州)有限公司 | Electronic centrifugal switch circuit for double-speed motor |
| CN204003546U (en) * | 2014-06-13 | 2014-12-10 | 艾美特电器（深圳）有限公司 | A kind of many gears wind speed electric fan |
| CN204794788U (en) * | 2015-07-08 | 2015-11-18 | 浙江苏泊尔家电制造有限公司 | Range hood and be used for range hood's AC motor drive circuit |
| CN204886778U (en) * | 2015-08-21 | 2015-12-16 | 安徽美芝精密制造有限公司 | Winding auto -change over device of air conditioner, compressor system and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106230338A (en) | 2016-12-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106685034B (en) | The power distribution method and system of electric automobile charging pile | |
| Zahedi et al. | Optimized efficiency of all-electric ships by dc hybrid power systems | |
| CN104682552B (en) | System and method for powering for data center | |
| CN104456844B (en) | Air conditioning unit control method and device | |
| CN107689903A (en) | Intelligent home equipment control method, system, storage medium and computer equipment | |
| EP2613422A1 (en) | Stationary charging system | |
| CN107994678B (en) | Power supply unit, control method, device, equipment and the storage medium of elevator device | |
| CN106230338B (en) | control method and circuit of single-phase motor | |
| CN109733247A (en) | The control method and device of sanitation cart | |
| CN105281957A (en) | Method for connecting device to Internet of things and server | |
| CN111188712A (en) | Starter exiting method and device, storage medium and terminal | |
| CN109660013A (en) | The method of supplying power to and device of charging pile detection device | |
| CN110022093A (en) | Motor control method and system | |
| CN114488829A (en) | Method and device for controlling household appliance and server | |
| CN103683382B (en) | Make the electricity generation system for being provided the power optimized to start generator | |
| CN105207866B (en) | Communication method of control terminal based on air conditioner control network and air conditioner control network | |
| CN111313796A (en) | Driving circuit and method capable of switching driving mode, frequency converter and equipment | |
| CN105978970A (en) | method and device for selecting control mode | |
| CN115115133B (en) | Parallel operation control method and device of generator and computer program product | |
| CN109520761A (en) | Method and device for detecting states of air inlet and air outlet | |
| CN106210787B (en) | A kind of method, system and the terminal of the change of paying service system data dynamic | |
| CN105491020B (en) | The method for realizing routine access IP address limitation in the operating system of smart machine | |
| CN109313420A (en) | Robot system, driver, storage device and control model switching method | |
| CN110174847A (en) | Household appliance integrated with voice module and control method and device of household appliance | |
| CN106953562B (en) | direct current motor and control method |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |