CN108418347A - A kind of energy-saving electric machine of two-stage power - Google Patents
A kind of energy-saving electric machine of two-stage power Download PDFInfo
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- CN108418347A CN108418347A CN201810475927.9A CN201810475927A CN108418347A CN 108418347 A CN108418347 A CN 108418347A CN 201810475927 A CN201810475927 A CN 201810475927A CN 108418347 A CN108418347 A CN 108418347A
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- electric machine
- stage motor
- power
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- 238000003032 molecular docking Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Multiple Motors (AREA)
Abstract
The present invention relates to a kind of energy-saving electric machines of two-stage power, the motor includes shell, electric machine main shaft, first stage motor, electromagnetism connection seat and second stage motor, first stage motor magnetic disk, second stage motor magnetic disk, spring and electromagnet are installed, first stage motor is connected with second stage motor by electromagnetism connection seat in electromagnetism connection seat.When first stage motor power frequency operation cannot meet system requirements, control system can instruct first stage motor raising frequency to run, electromagnet pushes second stage motor magnetic disk to be combined with first stage motor magnetic disk simultaneously, make main shaft and the docking of second stage electric machine main shaft of first stage motor, second stage motor also works with first stage motor same frequency raising frequency simultaneously, meet system requirements to increase output power, motor is made to be run always in high efficient district, and reaches energy saving purpose.
Description
Technical field
The present invention relates to motor field more particularly to a kind of energy-saving electric machines of two-stage power.
Background technology
During motor drives pump working, conventional motor output power is certain, is turned by frequency converter frequency conversion adjustment
Speed may be implemented to obtain different output powers, but conventional motor, in raising frequency, output rated power has been restricted, institute
Power cannot be increased, working efficiency also can not be just improved.Conventional motor is usually power frequency or frequency reducing in actual use
Operation, especially in frequency reducing operation, the working efficiency of motor can also decline.But in practical applications, it is desirable to which motor work is bent
Line can obtain the higher working efficiency of wide scope.In order to overcome the deficiencies of existing technologies, it is relatively high to obtain a kind of working efficiency
Motor, the present invention propose that a kind of energy-saving electric machine of two-stage power, the motor can obtain ratio when power frequency operation or raising frequency are run
Higher working efficiency, to substantially increase energy-saving effect.
Invention content
In order to overcome defect existing in the prior art, the present invention to provide a kind of energy-saving electric machine of two-stage power.The electricity
For machine during driving pump working, when power frequency operation or raising frequency are run, working curve can obtain the relatively high work of wide scope
Make efficiency, substantially increases energy-saving effect.
The technical scheme is that：A kind of energy-saving electric machine of two-stage power, which is characterized in that the motor includes outer
Shell, electric machine main shaft, first stage motor, electromagnetism connection seat and second stage motor are equipped with the first stage in electromagnetism connection seat
Motor magnetic disk, second stage motor magnetic disk, spring and electromagnet, first stage motor and second stage motor pass through electromagnetism
Connection seat is connected.
Further, first stage motor includes first stage machine winding, first stage motor stator and first stage
Rotor, first stage rotor include first stage electric machine main shaft.First stage electric machine main shaft one end and two-stage work(
The electric machine main shaft of the energy-saving electric machine of rate is connected, and the first stage electric machine main shaft other end is equipped with first stage motor magnetic disk.
Further, second stage motor includes second stage machine winding, second stage motor stator and second stage
Rotor, second stage rotor include second stage electric machine main shaft, and second stage electric machine main shaft one end is equipped with second
Stage motor magnetic disk.
Further, spring is mounted in the cavity that second stage motor magnetic disk is formed with spring mounting seat.Spring is pacified
Seat is filled to be mounted on second stage electric machine main shaft.
Further, electromagnet is mounted in electromagnetism connection seat in the cavity of second stage motor.Electromagnet it is straight
Diameter is more than the diameter of second stage electric machine main shaft, is not connected with second stage electric machine main shaft.
The present invention also proposes a kind of control method of the energy-saving electric machine of above-mentioned two-stage power, passes through control system and frequency conversion
Device controls the energy-saving electric machine of two-stage power, the specific steps are：
1) when first stage motor power frequency operation driving water pump can meet system convention traffic requirement, first stage motor
Normal work, second stage motor are in power-off dead ship condition, and electromagnet is also at off-position, second stage motor magnetic at this time
Power disk makes first stage motor magnetic disk and second stage motor magnetic disk be in separated position due to the effect of spring；
2) when first stage motor power frequency operation cannot meet flow system flow and pressure requirements, control system can pass through change
Frequency device instructs the operation of first stage motor raising frequency, while electromagnet is powered and pushes second stage motor magnetic disk and first stage electricity
Machine magnetic disk combine, make first stage motor main shaft and second stage electric machine main shaft docking, second stage motor also simultaneously with
First stage motor same frequency raising frequency works so that and second stage electric machine main shaft delivers torque to first stage electric machine main shaft,
Meet system requirements to increase the energy-saving electric machine output power of two-stage power.
The operation principle of the present invention：By taking pump working characteristic as an example, first stage motor power frequency operation can meet routine
When flow and pressure requirements, second stage motor magnetic disk makes first stage motor magnetic disk and second due to the effect of spring
Stage motor magnetic disk is in separated position, and first stage motor is in normal work, and second stage motor is in dead ship condition.
If first stage motor power frequency operation cannot meet system requirements, control system can instruct first stage motor
Raising frequency is run, while electromagnet pushes second stage motor magnetic disk to be combined with first stage motor magnetic disk, makes the first stage
The main shaft and second stage electric machine main shaft of motor dock, second stage motor also simultaneously with first stage motor same frequency raising frequency work
Make so that second stage electric machine main shaft delivers torque to first stage electric machine main shaft, to increase the electricity-saving of two-stage power
Machine output power meets flow system flow and pressure requirements, and the energy-saving electric machine of two-stage power and water pump is made to be transported always in high efficient district
Row, and reach energy-efficient purpose.
The advantageous effects of the present invention：The energy-saving electric machine of the two-stage power of the present invention includes first stage motor and the
Two-stage motor passes through the combination of first stage motor magnetic disk and second stage motor magnetic disk so that second stage motor
Deliver torque to first stage motor so that the output power of entire motor increases, this unique structure design so that two
The energy-saving electric machine and water pump of stage power all work in high efficient district always, energy-saving to achieve the purpose that.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the energy-saving electric machine of two-stage power.
Reference numeral：1, first stage machine winding, 2, electric machine main shaft, 3, first stage motor stator, 4, the first stage
Rotor, 5, electromagnetism connection seat, 6, spring, 7, first stage motor magnetic disk, 8, electromagnet, 9, second stage motor magnetic force
Disk, 10, second stage machine winding, 11, second stage motor stator, 12, second stage rotor.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention express to be more clearly understood, 1 pair of this hair below in conjunction with the accompanying drawings
It is bright to be further introduced.
From Figure of description 1 as can be seen that the technical scheme is that：A kind of energy-saving electric machine of two-stage power,
It is characterized in that, which includes shell, electric machine main shaft 2, first stage motor, electromagnetism connection seat 5 and second stage motor, electromagnetism
First stage motor magnetic disk 7, second stage motor magnetic disk 9, spring 6 and electromagnet 8, the first rank are installed in connection seat 5
Section motor is connected with second stage motor by electromagnetism connection seat 5.
Further, first stage motor includes first stage machine winding 1, first stage motor stator 3 and the first rank
Section rotor 4, first stage rotor 4 include first stage electric machine main shaft.First stage electric machine main shaft one end and second order
The electric machine main shaft 2 of the energy-saving electric machine of section power is connected, and the first stage electric machine main shaft other end is equipped with first stage motor magnetic force
Disk 7.
Further, second stage motor includes second stage machine winding 10, second stage motor stator 11 and second
Stage rotor 12, second stage rotor 12 include second stage electric machine main shaft, second stage electric machine main shaft one end peace
Equipped with second stage motor magnetic disk 9.
Further, spring 6 is mounted in the cavity that second stage motor magnetic disk 9 is formed with spring mounting seat.Spring
Mounting base is mounted on second stage electric machine main shaft.
Further, electromagnet 8 is mounted in electromagnetism connection seat 5 in the cavity of second stage motor.Electromagnet 8
Diameter is more than the diameter of second stage electric machine main shaft, is not connected with second stage electric machine main shaft.
The present invention also proposes a kind of control method of the energy-saving electric machine of above-mentioned two-stage power, passes through control system and frequency conversion
Device controls the energy-saving electric machine of two-stage power, the specific steps are：
1) when first stage motor power frequency operation driving water pump can meet system convention traffic requirement, first stage motor
Normal work, second stage motor are in power-off dead ship condition, and electromagnet is also at off-position, second stage motor magnetic at this time
Power disk 9 makes first stage motor magnetic disk 7 and second stage motor magnetic disk 9 be in separated position due to the effect of spring 6；
2) when first stage motor power frequency operation cannot meet flow system flow and pressure requirements, control system can pass through change
Frequency device instructs the operation of first stage motor raising frequency, while electromagnet 8 is powered and pushes second stage motor magnetic disk 9 and first stage
Motor magnetic disk 7 combines, and makes main shaft and the docking of second stage electric machine main shaft of first stage motor, second stage motor is also simultaneously
It works with first stage motor same frequency raising frequency so that second stage electric machine main shaft delivers torque to first stage motor master
Axis meets system requirements to increase the energy-saving electric machine output power of two-stage power.
The operation principle of the present invention：By taking the working characteristics of water pump as an example, first stage motor power frequency operation can meet often
When advising traffic requirement, second stage motor magnetic disk 9 makes first stage motor magnetic disk 7 and second-order due to the effect of spring 6
Section motor magnetic disk 9 is in separated position, and first stage motor is in normal work, and second stage motor is in dead ship condition.
If first stage motor power frequency operation cannot meet flow system flow and pressure requirements, control system can instruct
One stage motor raising frequency is run, while electromagnet pushes second stage motor magnetic disk to be combined with first stage motor magnetic disk,
Keep main shaft and the docking of second stage electric machine main shaft, the second stage motor of first stage motor also same with first stage motor simultaneously
Frequency raising frequency works, and meets the flow and pressure requirements of system to increase output power, makes motor and water pump always efficient
Area is run, and reaches energy-efficient purpose.
The advantageous effects of the present invention：The energy-saving electric machine of two-stage power includes first stage motor and second stage electricity
Machine passes through the combination of first stage motor magnetic disk and second stage motor magnetic disk so that second stage motor passes torque
Pass first stage motor so that the output power of entire motor increases, this unique structure design so that two-stage power
Energy-saving electric machine and water pump always all high efficient district work, it is energy-saving to achieve the purpose that.
The energy-saving electric machine of the conventional motor of power all same and the two-stage power of the present invention is subjected to contrast experiment, specifically
Empirical value see the table below shown in 1：
The energy-saving electric machine parameter lookup table of 1 conventional motor of table and the two-stage power of the present invention
As can be seen from Table 1, the energy-saving electric machine of two-stage power of the invention is improved than the working efficiency of conventional motor
1.2%, there is apparent energy-saving effect.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made by
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of energy-saving electric machine of two-stage power, which is characterized in that the motor includes shell, electric machine main shaft, first stage electricity
Mechanical, electrical magnetic connection seat and second stage motor are equipped with first stage motor magnetic disk, second stage motor in electromagnetism connection seat
Magnetic disk, spring and electromagnet, first stage motor and second stage motor are connected by electromagnetism connection seat.
2. a kind of energy-saving electric machine of two-stage power as described in claim 1, it is characterised in that：First stage motor includes the
One stage machine winding, first stage motor stator and first stage rotor, first stage rotor include the first rank
Section electric machine main shaft.
3. a kind of energy-saving electric machine of two-stage power as described in claim 1, it is characterised in that：Second stage motor includes the
Two-stage machine winding, second stage motor stator and second stage rotor, second stage rotor include second-order
Section electric machine main shaft, second stage electric machine main shaft one end is equipped with second stage motor magnetic disk.
4. a kind of energy-saving electric machine of two-stage power as described in claim 1, it is characterised in that：Spring is mounted on second stage
In the cavity that motor magnetic disk is formed with spring mounting seat, spring mounting seat is mounted on second stage electric machine main shaft.
5. a kind of energy-saving electric machine of two-stage power as described in claim 1, it is characterised in that：Electromagnet joins mounted on electromagnetism
In joint chair in the cavity of second stage motor, the diameter of electromagnet is more than the diameter of second stage electric machine main shaft.
6. a kind of method of the energy-saving electric machine of the two-stage power in control claim 1-5 described in any claim, special
Sign is：The energy-saving electric machine of two-stage power is controlled by control system and frequency converter, the specific steps are：
1) when first stage motor power frequency operation driving water pump can meet custom system regular flow requirement, first stage motor
Normal work, second stage motor are in power-off dead ship condition, and electromagnet is also at off-position, second stage motor magnetic at this time
Power disk makes first stage motor magnetic disk and second stage motor magnetic disk be in separated position due to the effect of spring；
2) when first stage motor driving water pump power frequency operation cannot meet custom system flow and pressure requirements, control system
The operation of first stage motor raising frequency can be instructed by frequency converter, while electromagnet is powered and pushes second stage motor magnetic disk and the
One stage motor magnetic disk combines, and makes main shaft and the docking of second stage electric machine main shaft of first stage motor, second stage motor
Also it works simultaneously with first stage motor same frequency raising frequency so that second stage electric machine main shaft delivers torque to first stage electricity
Owner's axis meets custom system requirement to increase the energy-saving electric machine output power of two-stage power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475927.9A CN108418347A (en) | 2018-05-17 | 2018-05-17 | A kind of energy-saving electric machine of two-stage power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810475927.9A CN108418347A (en) | 2018-05-17 | 2018-05-17 | A kind of energy-saving electric machine of two-stage power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418347A true CN108418347A (en) | 2018-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810475927.9A Pending CN108418347A (en) | 2018-05-17 | 2018-05-17 | A kind of energy-saving electric machine of two-stage power |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942635A (en) * | 2015-07-21 | 2015-09-30 | 安阳工学院 | Dual-drive tandem motor electro-spindle |
| CN208316504U (en) * | 2018-05-17 | 2019-01-01 | 郭学文 | A kind of energy-saving electric machine of two-stage power |
-
2018
- 2018-05-17 CN CN201810475927.9A patent/CN108418347A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942635A (en) * | 2015-07-21 | 2015-09-30 | 安阳工学院 | Dual-drive tandem motor electro-spindle |
| CN208316504U (en) * | 2018-05-17 | 2019-01-01 | 郭学文 | A kind of energy-saving electric machine of two-stage power |
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