CN206628963U - The single-phase capacitor operation asyn. motor of variable capacitance - Google Patents
The single-phase capacitor operation asyn. motor of variable capacitance Download PDFInfo
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- CN206628963U CN206628963U CN201720418528.XU CN201720418528U CN206628963U CN 206628963 U CN206628963 U CN 206628963U CN 201720418528 U CN201720418528 U CN 201720418528U CN 206628963 U CN206628963 U CN 206628963U
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- electric capacity
- resistance
- motor
- auxiliary winding
- variable capacitance
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- Synchronous Machinery (AREA)
Abstract
The utility model belongs to electric motors, more particularly, to a kind of single-phase capacitor operation asyn. motor of variable capacitance, including main winding, auxiliary winding, rotor, switch, resistance R1, resistance R2, electric capacity C1, electric capacity C2 and electric capacity C3, both ends connect live wire and zero line respectively after main winding and the auxiliary winding parallel connection, resistance R1 is wherein connected between main winding and live wire, electric capacity C1 is connected between main winding and zero line, and resistance R2 is connected between auxiliary winding and live wire, electric capacity C2 is connected between auxiliary winding and zero line, electric capacity C3 again and is connected to electric capacity C2 both ends after being connected with switch.The utility model can then change instantaneous power during motor start-up so that start more fast and safely, avoids the phenomenon of burn-down of electric motor, using the environment with the load change such as unloading valve, is convenient for people to safer use equipment.
Description
Technical field
The utility model belongs to electric motors, more particularly, to a kind of single-phase capacitor running asynchronous electric of variable capacitance
Machine.
Background technology
The single-phase capacitor operation asyn. motor of variable capacitance is also known as single-phase asynchronous motor, refers to use single phase alternating current power supply
(AC220V) the small power single phase Induction Machines of power supply, its power designs are all smaller, generally not more than 2kW.
The schematic diagram of existing single-phase asynchronous motor such as Fig. 1, main winding 1 and auxiliary winding 2 are in parallel, and the wherein electricity in parallel of auxiliary winding 2
Hold C.
In the equipment that the single-phase capacitor operation asyn. motor control load using variable capacitance changes, upon start up
When load is more than rated load, the single-phase capacitor operation asyn. motor of variable capacitance will be unable to start, or even can burn, therefore
External force is needed to be started, as stirred valve plate in unloading valve, this phenomenon is very dangerous.
Utility model content
The purpose of this utility model is that startup more fast and safely may be used in view of the above-mentioned problems, offer is a kind of simple in construction
Become the single-phase capacitor operation asyn. motor of electric capacity.
To reach above-mentioned purpose, the utility model employs following technical proposal：The single-phase capacitor running of this variable capacitance
Asynchronous motor, including main winding, auxiliary winding, rotor, switch, resistance R1, resistance R2, electric capacity C1, electric capacity C2 and electric capacity C3, institute
State main winding and auxiliary winding be wound in stator case, the both ends of stator case are installed with end cap, main winding and it is secondary around
Group uses the overlapping span of layering to be fixed on the inwall installation position of stator case, is rotated in stator case and is provided with cage modle turn
Son, the rotating shaft of cage-type rotor are connected in the mounting hole opened up on end cap by bearing, after main winding and the auxiliary winding parallel connection
Both ends connect live wire and zero line respectively, and resistance R1 is wherein connected between main winding and live wire, is connected between main winding and zero line
Have electric capacity C1, and resistance R2 be connected between auxiliary winding and live wire, be connected with electric capacity C2 between auxiliary winding and zero line, electric capacity C3 with
Again and electric capacity C2 both ends are connected to after switch series connection.
In the single-phase capacitor operation asyn. motor of above-mentioned variable capacitance, the switch, resistance R1, resistance R2, electricity
Hold C1, electric capacity C2 and electric capacity C3 to be arranged in the equipment installation box of stator case one end installation, wherein switch is arranged on equipment
The surface of mounting box, convenient control manually.
In the single-phase capacitor operation asyn. motor of above-mentioned variable capacitance, the electric capacity C1, electric capacity C2 and electric capacity C3
It is pressure-resistant 3500V electric capacity.
In the single-phase capacitor operation asyn. motor of above-mentioned variable capacitance, the electric capacity C1 is 0.06 μ F, electric capacity C2
For 0.03 μ F, electric capacity C3 is 0.02 μ F.
Compared with prior art, it is the advantages of the single-phase capacitor operation asyn. motor of this variable capacitance：This practicality
New structure is simple, easy to use, can change instantaneous power during motor start-up so that start more fast and safely, keeps away
Exempt from the phenomenon of burn-down of electric motor, using the environment with the load change such as unloading valve, be convenient for people to safer use equipment.
Brief description of the drawings
Fig. 1 is the structural representation of existing single-phase capacitor operation asyn. motor；
Fig. 2 is the structure principle chart of the single-phase capacitor operation asyn. motor of variable capacitance；
Fig. 3 is the structural representation of the single-phase capacitor operation asyn. motor of variable capacitance；
Fig. 4 is the structural representation of main winding and auxiliary winding in stator.
In figure, main winding 1, auxiliary winding 2, cage-type rotor 3, switch 4, equipment installation box 5, stator case 6.
Embodiment
Following examples only exist in illustrative purpose, without being intended to limit the scope of the utility model.
Embodiment
As Figure 1-4, the single-phase capacitor operation asyn. motor of this variable capacitance, including main winding 1, auxiliary winding 2, turn
Son 3, switch 4, resistance R1, resistance R2, electric capacity C1, electric capacity C2 and electric capacity C3, the main winding 1 and auxiliary winding 2 are wound on fixed
In sub- housing 6, the both ends of stator case 6 are installed with end cap, main winding 1 and auxiliary winding 2 and consolidated using the overlapping span of layering
It is scheduled on the inwall installation position of stator case 6, is rotated in stator case 6 and be provided with cage-type rotor 3, the rotating shaft of cage-type rotor 3 is led to
Bearing is crossed to be connected in the mounting hole opened up on end cap.
Both ends connect live wire and zero line respectively after main winding 1 and auxiliary winding 2 parallel connection, wherein main winding 1 and live wire it
Between be connected with resistance R1, electric capacity C1 is connected between main winding 1 and zero line, and resistance R2 is connected between auxiliary winding 2 and live wire,
It is connected with electric capacity C2 between auxiliary winding 2 and zero line, electric capacity C3 again and is connected to electric capacity C2 both ends after being connected with switch 4.
Switch 4, resistance R1, resistance R2, electric capacity C1, electric capacity C2 and the electric capacity C3 are arranged at the one end of stator case 6 peace
In the equipment installation box 5 of dress, wherein switch 4 is arranged on the surface of equipment installation box 5, convenient control manually.
The electric capacity C1, electric capacity C2 and electric capacity C3 are pressure-resistant 3500V electric capacity.
The inductance of main winding 1 and auxiliary winding 2 under preferable Light Condition is L=262.1273102 Ω S (with showing
Have the main winding 1 in the single-phase capacitor operation asyn. motor of variable capacitance identical with the inductance of auxiliary winding 2), induction reactance XL=2 π fL
=82350 Ω (f is ac frequency, and L is inductance)；Therefore the induction reactance X of the output watt-hour of rated power 2.1046L=62260 Ω are (real
Border power is P=2.5046).
The electric capacity C1 is 0.06 μ F, and electric capacity C2 is 0.03 μ F, electric capacity C3=0.02 μ F, on startup by compressing switch 4, is made
Obtain electric capacity C3 to be switched on, at this moment electric capacity C2 is in parallel with electric capacity C3, total capacitance C=0.05 μ F, at this moment auxiliary winding 2 total capacitive reactance XC=
1/ Ω of (100 π * 0.05*10-6)=63662, capacitive reactance reduce, and general power gets a promotion.
When being filled with cement on the valve body of unloading valve, because of a turn for the single-phase capacitor operation asyn. motor of variable capacitance
Square is small, can lead to not start, at this time by the 0.4-1min that compresses switch so that rated power P=of the starting power from input
2.5046 watts increase to P=10.3046 watts, to realize the normal starting of valve body.
Although main winding, auxiliary winding, rotor, switch, resistance R1, resistance R2, electric capacity C1, electric capacity have more been used herein
The term such as C2 and electric capacity C3, but it is not precluded from the possibility using other terms.Using these terms just for the sake of more convenient
Ground describes and explains essence of the present utility model；Being construed as any additional limitation is all and the utility model essence
What god disagreed.
Claims (5)
1. a kind of single-phase capacitor operation asyn. motor of variable capacitance, including main winding (1), auxiliary winding (2), rotor (3), open
(4), resistance R1, resistance R2, electric capacity C1, electric capacity C2 and electric capacity C3 are closed, the main winding (1) and auxiliary winding (2) are wound on fixed
In sub- housing (6), the both ends of stator case (6) are installed with end cap, are rotated in stator case (6) and are provided with cage-type rotor
(3), the rotating shaft of cage-type rotor (3) is connected in the mounting hole opened up on end cap by bearing, the main winding (1) and auxiliary winding
(2) both ends connect live wire and zero line respectively after parallel connection, it is characterised in that：Main winding (1) is connected with resistance R1 between live wire, main
Winding (1) is connected with electric capacity C1 between zero line, and auxiliary winding (2) is connected with resistance R2, auxiliary winding (2) and zero between live wire
It is connected with electric capacity C2 between line, electric capacity C3 again and is connected to electric capacity C2 both ends after being connected with switch (4).
2. the single-phase capacitor operation asyn. motor of variable capacitance according to claim 1, it is characterised in that：Main winding
(1) it is fixed on auxiliary winding (2) using the overlapping span of layering on the inwall installation position of stator case (6).
3. the single-phase capacitor operation asyn. motor of variable capacitance according to claim 1, it is characterised in that：The switch
(4), resistance R1, resistance R2, electric capacity C1, electric capacity C2 and electric capacity C3 are arranged at the equipment installation of stator case (6) one end installation
In box (5), wherein switch (4) is arranged on the surface of equipment installation box (5), convenient control manually.
4. the single-phase capacitor operation asyn. motor of the variable capacitance according to claim 1 or 3, it is characterised in that：It is described
Electric capacity C1, electric capacity C2 and electric capacity C3 are pressure-resistant 3500V electric capacity.
5. the single-phase capacitor operation asyn. motor of variable capacitance according to claim 4, it is characterised in that：The electric capacity
C1 is 0.06 μ F, and electric capacity C2 is 0.03 μ F, and electric capacity C3 is 0.02 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418528.XU CN206628963U (en) | 2017-04-20 | 2017-04-20 | The single-phase capacitor operation asyn. motor of variable capacitance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418528.XU CN206628963U (en) | 2017-04-20 | 2017-04-20 | The single-phase capacitor operation asyn. motor of variable capacitance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206628963U true CN206628963U (en) | 2017-11-10 |
Family
ID=60205580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720418528.XU Expired - Fee Related CN206628963U (en) | 2017-04-20 | 2017-04-20 | The single-phase capacitor operation asyn. motor of variable capacitance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206628963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831125A (en) * | 2017-11-23 | 2019-05-31 | 浙江富莱欧机电有限公司 | A kind of double value capacitor asynchronous motor low pressure operation power-assisted start-up circuit |
-
2017
- 2017-04-20 CN CN201720418528.XU patent/CN206628963U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831125A (en) * | 2017-11-23 | 2019-05-31 | 浙江富莱欧机电有限公司 | A kind of double value capacitor asynchronous motor low pressure operation power-assisted start-up circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171110 |