CN107017748A - Monophase machine - Google Patents
Monophase machine Download PDFInfo
- Publication number
- CN107017748A CN107017748A CN201710371239.3A CN201710371239A CN107017748A CN 107017748 A CN107017748 A CN 107017748A CN 201710371239 A CN201710371239 A CN 201710371239A CN 107017748 A CN107017748 A CN 107017748A
- Authority
- CN
- China
- Prior art keywords
- monophase machine
- casing
- capacitance
- parallel
- winding
- 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
Links
- 238000004804 winding Methods 0.000 claims abstract description 60
- 239000003990 capacitor Substances 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 241001347978 Major minor Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/04—Asynchronous induction motors for single phase current
- H02K17/08—Motors with auxiliary phase obtained by externally fed auxiliary windings, e.g. capacitor motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The present invention provides a kind of monophase machine, the monophase machine includes casing, main winding and auxiliary winding are provided with the casing, the monophase machine also includes capacitance group and phase capacitor, the phase capacitor is arranged in parallel with the main winding, the main winding that the capacitance group is series at after the outlet head end of the auxiliary winding, and the phase capacitor in parallel is parallel on power supply with the auxiliary winding after the capacitance group of connecting.The problems such as present invention can solve big monophase machine loss in the prior art, temperature rise, efficiency is low, torque is small.
Description
Technical field
The present invention is on monophase machine apparatus field, more particularly to a kind of unidirectional monophase machine.
Background technology
Motor is a kind of equipment for converting electrical current into mechanical energy, and it is to use the power on coil (i.e. stator winding) to produce rotation
Turn magnetic field and act on the dynamic rotation torque of rotor formation magnetoelectricity.Can be synchronous motor or asynchronous machine (motor stator magnetic field turn
Speed does not keep synchronous speed with rotor rotary rpm).Motor is mainly made up of stator with rotor, and electrified wire stress in magnetic field is transported
Dynamic direction is relevant with magnetic induction line direction with the sense of current.Motor operation principle is effect of the magnetic field to electric current stress, makes motor
Rotate.Motor is divided into threephase asynchronous machine and single-phase asynchronous motor by using power supply difference.
At present, the motor that hydraulic power unit is used generally uses threephase asynchronous machine, but due to the place of many quantity
And three phase mains is not provided with, it typically is single phase alternating current power supply, it is considered to power configuration problem, and the multiple producers of early stage have manufactured experimently list
Phase Induction Machines, but there is the present situation that electric efficiency is low, winding temperature rise is high, torque is small in it, cause equipment to be unable to normal starting, from
And the process that hinders one's work, while can also cause the infringement of each component in various degree, and then production efficiency is substantially reduced, it is raw
Yield and quality, shortens the service life of body.
Therefore, prior art needs further improvement and developed.
The content of the invention
Therefore, an object of the present invention is to provide a kind of monophase machine, is damaged with solving monophase machine in the prior art
Consumption is big, temperature rise, the problems such as efficiency is low, torque is small.
For up to above-mentioned purpose, the present invention provides a kind of monophase machine, the monophase machine includes casing, it is characterised in that should
Main winding and auxiliary winding are provided with casing, the monophase machine also include capacitance group and phase capacitor, the phase capacitor with
The main winding is arranged in parallel, and the capacitance group is series at the outlet head end of the auxiliary winding, and the master after the phase capacitor in parallel around
Group is parallel on power supply with the auxiliary winding after the capacitance group of connecting.
As optional technical scheme, rotating shaft is disposed with the casing, is arranged with rotor, casing and is provided with the rotating shaft
Along the circumferentially distributed stator of rotating shaft, stator include the main winding and the pair of stator core and the winding stator core around
Group.
As optional technical scheme, the capacitance group includes start-up capacitance and running capacitor, start-up capacitance series connection centrifugation
It is in parallel with the running capacitor after switch.
As optional technical scheme, the centrifugal switch switchs for mechanical centrifugal.
As optional technical scheme, stationary contact, the movable contact of the centrifugal switch are silver contact.
As optional technical scheme, the centrifugal switch is set at the bonnet of the casing.
As optional technical scheme, box body is additionally provided with the casing, be provided with outside the box body it is multiple go out wire connections,
It is for electrically connecting in the casing and the electronic component outside the casing.
As optional technical scheme, the box body is sealing structure.
Compared with prior art, monophase machine of the invention adds a phase capacitor, and the phase capacitor is in parallel
In on main winding so that the efficiency (η-eff) of monophase machine adds 2.86%, while the temperature rise of auxiliary winding have dropped 18%,
And torque capacity adds 16%, and these above-mentioned factors can directly determine the performance and use time of monophase machine, that is,
The performance of monophase machine is significantly improved, and monophase machine loss is also relatively reduced.
It can be obtained further by following detailed description of the invention and institute's accompanying drawings on the advantages and spirit of the present invention
Solution.
Brief description of the drawings
Fig. 1 show the external structure schematic diagram of the monophase machine of the present invention；
Fig. 2 show the electrical schematic diagram of the monophase machine of the present invention.
Embodiment
Fig. 1 and Fig. 2 are referred to, Fig. 1 show the external structure schematic diagram of the monophase machine of the present invention, and Fig. 2 show this
The electrical schematic diagram of the monophase machine of invention.Monophase machine 1 includes being provided with main winding 3 and auxiliary winding in casing 2, casing 2
4, monophase machine 1 also includes capacitance group 5 and phase capacitor 6.Phase capacitor 6 is arranged in parallel with main winding 3, and capacitance group 5 is connected
It is in parallel with the auxiliary winding 4 after series capacitance group 5 in the main winding 3 after the outlet head end Z1 of auxiliary winding 4, and phase capacitor 6 in parallel
In on power supply (L that wherein Fig. 2 is planted is live wire, and N is zero line).
Wherein, main winding 3 has the first outlet head end U1 and the first outlet tail end U2, and auxiliary winding 4 has the second outlet
Head end Z1 and the second outlet tail end Z2.
Specifically, for example, being additionally provided with box body 7 on casing 2, box body 7 is fixed on casing 2, casing 2 is, for example, tubular.
The two ends of casing 2 can set protecgulum, bonnet, and the rotating shaft that connection protecgulum, bonnet and the axis direction along casing are set respectively,
It is arranged with rotor, casing 2 and is provided with along the circumferentially distributed stator of rotating shaft in rotating shaft, stator includes stator core and winding institute
State the main winding 3 and auxiliary winding 4 of stator core.
Moreover, capacitance group 5 and phase capacitor 6 are placed on outside box body 7, and it is arranged on casing 2.In addition, the peripheral hardware of box body 7
Be equipped with it is multiple go out wire connections, be for electrically connecting in casing 2 and the electronic component outside 2 casings.The master of the stator of monophase machine 1 around
Group 3 and auxiliary winding 4 winding outlet by it is corresponding go out wire connections connect with the capacitance group 5 and phase capacitor 6 outside box body 7
Connect.
In another embodiment, capacitance group 5 and phase capacitor 6 can be positioned in above-mentioned box body 7.And in order to reach
Dust-proof, waterproof effect, box body 7 can be sealing structure, moreover, box body 7 is, for example, plastic casing or aluminum steel box.Except this it
Outside, the electronic component that control monophase machine 1 works also may be disposed in above-mentioned box body 7.
In present embodiment, as shown in Fig. 2 capacitance group 5 includes start-up capacitance 9 and running capacitor 8, start-up capacitance 9 is connected
It is in parallel with running capacitor 8 after centrifugal switch 10.After being connected according to above-mentioned electrical relation, centrifugal switch 10 is by disconnecting start-up capacitance
9 control the normal operation of the body of monophase machine 1.
Wherein, centrifugal switch 10 is set at the bonnet of casing 2, and the stationary contact of centrifugal switch 10, movable contact are for example
It is silver contact.In present embodiment, the auxiliary monophase machine 1 of centrifugal switch 10 starts, and its one end V1 is connected with running capacitor 8,
Other end V2 is connected with one end of start-up capacitance 9.And one end V1 of centrifugal switch 10 and running capacitor 8 be connected after be connected lead around
First outlet head end U1 of group 3 is simultaneously connected to power supply, the other end V2 of centrifugal switch 10 be connected with one end of start-up capacitance 9 afterwards and
Running capacitor 8 is in parallel and is connected to the second outlet head end Z1 of auxiliary winding 4, and the second outlet tail end Z2 of auxiliary winding 4 with it is main around
Power supply is connected to after first outlet tail end U2 connections of group 3.
During practical operation, when monophase machine 1 starts, in the case of stationary rotor, the stationary contact of centrifugal switch 10, dynamic touch
Point be in contact conducting start startup, start-up capacitance 9 participate in start work, start-up capacitance 9 be mainly improve monophase machine 1 startup
Torque, when monophase machine 1 reaches 75% or so of rated speed, by the release unit of centrifugal switch 10 from monophase machine 1
Start winding to break, wherein in present embodiment, centrifugal switch switchs for mechanical centrifugal.In another embodiment, in order to add
Operating efficiency during strong monophase machine operating, centrifugal switch can also select the centrifugal switch automatically disengaged, such as electronic type from
The heart is switched.The effect of the similarly helpful startup at the beginning of monophase machine 1 starts of running capacitor 8, main function is that balance is single-phase
Electromagnetic relationship between the main winding 3 and auxiliary winding 4 of motor 1, reduces electromagnetism dead angle, to improve monophase machine 1 to greatest extent
Power, reduction noise and vibrations.
As above, the present invention in, the auxiliary winding 4 of monophase machine 1 in addition to tandem promoter electric capacity 9, then with auxiliary winding 4 in parallel one
Running capacitor 8.Obviously, the capacitance of start-up capacitance 9 and running capacitor 8 is to 90 ° of the advanced main winding current of the electric current of auxiliary winding 4；
The main function of parallel running electric capacity 8 is that the magnetic potential amplitude for producing the electric current of auxiliary winding 4 is equal to the magnetic potential amplitude of main winding 3,
That is, the capacitance of appropriate apolegamy start-up capacitance 9 and running capacitor 8, the magnetic potential amplitude that can produce main winding 3, auxiliary winding 4
Equal, time and space quadrature are 90 °, so that air gap composite magnetic power is circular rotating magnetic potential, this will greatly improve list
The efficiency of phase motor.Moreover, along with appropriate phase capacitor, making air gap composite magnetic power can be more preferable for circular rotating magnetic potential.
By taking model ML90S-4 monophase machine as an example, when environment temperature is 25 degree, its main winding resistance is 4.078
Europe, auxiliary winding resistance is 7.46 Europe, and capacitance/electric capacity limiting voltage of running capacitor is 25Uf/450V, plays the electric capacity of dynamic condenser
Amount/electric capacity limiting voltage is 150Uf/250V, and (its capacitance/electric capacity limiting voltage is 20Uf/ to main winding parallel connection phase capacitor
After 450V), the electric current distribution of major-minor winding is changed so that major-minor winding current is more reasonable, and the temperature rise of major-minor winding is more
Balance, improves the efficiency of monophase machine, improves the torque of monophase machine, reduces vibration and the noise of monophase machine.
Data before and after the specific monophase machine referred in list below is improved in performance test summary sheet.
Performance test summary sheet before and after the monophase machine of table 1 is improved
We can draw from upper table, using its electric efficiency (η-eff) increase of the three electric capacity monophase machines of the present invention
2.86%, while the temperature rise of auxiliary winding have dropped 18%, and torque capacity adds 16%.And these above-mentioned factors can be direct
Determine the performance and use time of monophase machine.
In addition, in general, under the capacitance differed, monophase machine has different outputs, is set by monophase machine
Timing is matched, and can reach that different rotating speed and output are required, moreover, it is also possible to offset monophase machine in high-slip feelings
The close increase of auxiliary winding magnetic under condition, improves the efficiency of monophase machine.This is also that the present invention is mutually electric in being arranged in parallel on main winding
One reason of container.
In summary, monophase machine of the invention adds a phase capacitor, and by the phase capacitor be parallel to it is main around
In group so that efficiency (η-eff) increase of monophase machine, while the temperature rise of auxiliary winding declines, and torque capacity is also increased, and
These above-mentioned factors can directly determine the performance and use time of monophase machine, that is, the performance of monophase machine is significantly improved,
Monophase machine loss is also relatively reduced.
By the above detailed description of preferred embodiments, it is intended to more clearly describe the feature and spirit of the present invention,
And not protection scope of the present invention is any limitation as with above-mentioned disclosed preferred embodiment.On the contrary, its purpose
It is intended to cover being arranged in the scope of the claims of the invention to be applied for various changes and tool equality.Cause
This, apllied scope of the claims of the invention should make most broad explanation according to above-mentioned explanation, to cause it
Cover all possible change and the arrangement of tool equality.
Claims (8)
1. a kind of monophase machine, the monophase machine includes casing, it is characterised in that be provided with the casing main winding and it is secondary around
Group, the monophase machine also includes capacitance group and phase capacitor, and the phase capacitor is arranged in parallel with the main winding, the capacitance group string
The main winding and the auxiliary winding after the capacitance group of connecting being coupled to after the outlet head end of the auxiliary winding, and the phase capacitor in parallel
It is parallel on power supply.
2. monophase machine as claimed in claim 1, it is characterised in that be disposed with rotating shaft in the casing, is arranged with the rotating shaft
It is provided with rotor, the casing along the circumferentially distributed stator of rotating shaft, stator includes stator core and winds the stator core
The main winding and the auxiliary winding.
3. monophase machine as claimed in claim 1, it is characterised in that the capacitance group includes start-up capacitance and running capacitor, should
It is in parallel with the running capacitor after start-up capacitance series connection centrifugal switch.
4. monophase machine as claimed in claim 3, it is characterised in that the centrifugal switch switchs for mechanical centrifugal.
5. monophase machine as claimed in claim 3, it is characterised in that stationary contact, the movable contact of the centrifugal switch are that silver is touched
Point.
6. monophase machine as claimed in claim 3, it is characterised in that the centrifugal switch is set at the bonnet of the casing.
7. monophase machine as claimed in claim 1, it is characterised in that be additionally provided with box body on the casing, is set outside the box body
Have it is multiple go out wire connections, be for electrically connecting in the casing and the electronic component outside the casing.
8. monophase machine as claimed in claim 7, it is characterised in that the box body is sealing structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371239.3A CN107017748A (en) | 2017-05-24 | 2017-05-24 | Monophase machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710371239.3A CN107017748A (en) | 2017-05-24 | 2017-05-24 | Monophase machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107017748A true CN107017748A (en) | 2017-08-04 |
Family
ID=59451368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710371239.3A Pending CN107017748A (en) | 2017-05-24 | 2017-05-24 | Monophase machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107017748A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757499A (en) * | 2018-06-25 | 2018-11-06 | 赛莱默水处理系统（沈阳）有限公司 | The single-phase submerged sewage pump of integrated form |
| CN114243991A (en) * | 2021-12-30 | 2022-03-25 | 南京南微电机有限公司 | Single-phase double-value capacitor asynchronous motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352051A (en) * | 1980-05-23 | 1982-09-28 | General Electric Company | Single phase motor with reversible auxiliary windings |
| CN104852666A (en) * | 2015-05-12 | 2015-08-19 | 嘉兴学院 | Control method for inhibiting single-phase capacitor run motor vibration noise |
| CN204992990U (en) * | 2015-09-06 | 2016-01-20 | 青岛天一集团红旗电机有限公司 | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor |
| CN105337555A (en) * | 2014-08-11 | 2016-02-17 | 廖超辉 | Single-phase large-capacitance operation motor |
| CN207010499U (en) * | 2017-05-24 | 2018-02-13 | 福安市伊莱特电机有限公司 | Monophase machine |
-
2017
- 2017-05-24 CN CN201710371239.3A patent/CN107017748A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4352051A (en) * | 1980-05-23 | 1982-09-28 | General Electric Company | Single phase motor with reversible auxiliary windings |
| CN105337555A (en) * | 2014-08-11 | 2016-02-17 | 廖超辉 | Single-phase large-capacitance operation motor |
| CN104852666A (en) * | 2015-05-12 | 2015-08-19 | 嘉兴学院 | Control method for inhibiting single-phase capacitor run motor vibration noise |
| CN204992990U (en) * | 2015-09-06 | 2016-01-20 | 青岛天一集团红旗电机有限公司 | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor |
| CN207010499U (en) * | 2017-05-24 | 2018-02-13 | 福安市伊莱特电机有限公司 | Monophase machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757499A (en) * | 2018-06-25 | 2018-11-06 | 赛莱默水处理系统（沈阳）有限公司 | The single-phase submerged sewage pump of integrated form |
| CN114243991A (en) * | 2021-12-30 | 2022-03-25 | 南京南微电机有限公司 | Single-phase double-value capacitor asynchronous motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103166402B (en) | Magnetism insulating reluctance and short circuit cage integrated rotor brushless electro-magnetic synchronous motor | |
| CN100568677C (en) | A kind of pair of stator, single rotor disc type brushless double feed alternating current machine | |
| CN201323515Y (en) | A radial magnetic-field brushless doubly-fed double-mechanical-port motor | |
| CN203482057U (en) | Birotor motor, and fan and compressor using same birotor motor | |
| CN101227115B (en) | Combination compensated type wound rotor asynchronous machine | |
| CN105576929A (en) | AC brushless electro-magnetic starter generator employing concentrated windings | |
| CN104813569A (en) | Electric machine | |
| CN107017748A (en) | Monophase machine | |
| CN207010499U (en) | Monophase machine | |
| CN104967272B (en) | A kind of pole-changing-rotor frequency control motor of permanent magnetism cage modle | |
| CN201393092Y (en) | Stator-rotor structure of switched reluctance motor | |
| CN208272820U (en) | Desk permanent-magnet synchronizes exhaust blower motor | |
| CN104659817B (en) | Dual feedback wind power generation system in a kind of high pressure | |
| CN201113716Y (en) | Large-capacity synchronizing generator brushless exciter | |
| CN103457366B (en) | Variable frequency speed regulating disk type motor and vacuum pump | |
| CN206272358U (en) | A kind of stator structure of direct current generator | |
| CN105743308A (en) | High-power-density permanent magnet dual-stator brushless doubly-fed motor | |
| CN202616957U (en) | Three-phase induction motor having unbalanced voltage compensation action | |
| CN204992990U (en) | Family's meat grinder is with low temperature rise, low noise high rotation torque single -phase asynchronous motor | |
| CN201466929U (en) | Dual-permanent magnet type brushless double-fed dual-mechanical port motor | |
| CN208272819U (en) | Wheel hub permanent magnet synchronous motor | |
| CN207460035U (en) | A kind of double value capacitor asynchronous motor low pressure operation power-assisted start-up circuit | |
| CN101534078A (en) | Rotating excitation method and device for synchronization of large wound rotor asynchronous motor | |
| CN1309153C (en) | Pole changing actuating wound rotor induction motor | |
| CN104993627B (en) | A kind of three-phase AC speed-regulating motor of rotor industrial frequency AC excitation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170804 |