CN201048361Y - Electronic start switch for single-phase AC motor - Google Patents
Electronic start switch for single-phase AC motor Download PDFInfo
- Publication number
- CN201048361Y CN201048361Y CNU2007201511993U CN200720151199U CN201048361Y CN 201048361 Y CN201048361 Y CN 201048361Y CN U2007201511993 U CNU2007201511993 U CN U2007201511993U CN 200720151199 U CN200720151199 U CN 200720151199U CN 201048361 Y CN201048361 Y CN 201048361Y
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- China
- Prior art keywords
- circuit
- motor
- phase
- start switch
- model
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- Expired - Fee Related
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- Motor And Converter Starters (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The utility model discloses an electronic start switch of a single-phase alternator, which comprises a reduction voltage circuit, a rectifier and filter circuit, a delay circuit and a starting circuit. The utility model has the advantages of no mechanical wear, low failure rate, safe and reliable use, as well as convenient and simple assembly and maintenance, thereby being suitable to be used together with all single-phase alternators needing centrifugal switches.
Description
Technical field:
This practicality is newly opened and is related to a kind of load motor starting switch, is specially a kind of electric start switch.
Background technology:
Single-phase monodrome actuating motor, single-phase diadic actuating motor, single-phase resistance-start motor extensively adopt centrifugal starting switch at present, are applied in all trades and professions.Because the motor start-up torque is big, power output is big, and when startup was frequent, centrifugal switch was easy to damage, and the kind model is numerous and diverse, and the maintenance and installation trouble delays production often, causes unnecessary economic loss.
The utility model content:
The purpose of this utility model is to overcome the problems referred to above, and a kind of dependable performance, the wearing and tearing of nothing machinery, simple, the easy starting switch of installation of technology are provided.
The technical solution of the utility model is: adopt the electric start switch to replace the centrifugal mechanical switch.The electric start switching circuit comprises reduction voltage circuit, current rectifying and wave filtering circuit, delay circuit and start-up circuit.Reduction voltage circuit is made up of R1, C1, current rectifying and wave filtering circuit by D!---D4, C2 form, and delay circuit is made up of R2, C3, D5, D6, G1, G2, and start-up circuit is made up of KJ1 normally-closed contact, startup capacitor C 4, startup winding L 1.
Technique effect of the present utility model is: owing to adopt electronic circuit replacing centrifugal mechanical switch, avoided mechanical wear and mechanical breakdown, safe and reliable, failure rate is low, technology is simple, and installation and maintenance are convenient.
Description of drawings:
Fig. 1 is load motor electric start switching circuit figure.
Embodiment:
Illustrate that in conjunction with Fig. 1 the utility model circuit theory is as follows.
The electric start switching circuit comprises reduction voltage circuit, current rectifying and wave filtering circuit, delay circuit and start-up circuit.Reduction voltage circuit is made up of R1 (1M), C1 (0.68-0.82/250V), current rectifying and wave filtering circuit by D!---D4 (1N4007), C2 (220U/25V) form, delay circuit is made up of R2 (2.9-370K), C3 (47-100U/25), D5, D6 (1N4148), G1, G2 (C9014) and KJ1 (according to the motor power (output) type selecting),, start-up circuit is made up of KJ1 normally-closed contact, startup capacitor C 4, startup winding L 1.
The motor start-up course of work is as follows:
Energized, the reduction voltage circuit of starting switch circuit, current rectifying and wave filtering circuit convert the 220v alternating current to the 12v direct current, charge to C3 through R2 at delay circuit, G1, G2 conducting when 1-4 reaches certain value second, relay K J1 work, normally-closed contact disconnects, and start-up circuit quits work, motor start-up is finished in the operation of work winding.The disable motor power supply, the KJ1 dead electricity is normally closed closed, returns to and treats starting state, in order to starting next time.
Claims (1)
1. load motor electric start switch, it is characterized in that: it comprises reduction voltage circuit, current rectifying and wave filtering circuit, delay circuit and start-up circuit; Reduction voltage circuit is made up of R1, C1, and current rectifying and wave filtering circuit is by D1---and D4, C2 form, and delay circuit is made up of R2, C3, D5, D6, G1, G2, and start-up circuit is made up of KJ1 normally-closed contact, startup capacitor C 4, startup winding L 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201511993U CN201048361Y (en) | 2007-06-05 | 2007-06-05 | Electronic start switch for single-phase AC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201511993U CN201048361Y (en) | 2007-06-05 | 2007-06-05 | Electronic start switch for single-phase AC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201048361Y true CN201048361Y (en) | 2008-04-16 |
Family
ID=39300953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201511993U Expired - Fee Related CN201048361Y (en) | 2007-06-05 | 2007-06-05 | Electronic start switch for single-phase AC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201048361Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142803A (en) * | 2010-12-31 | 2011-08-03 | 珠海格力电器股份有限公司 | Starting circuit and starting method for controlling permanent magnet synchronous motor |
| CN104333268A (en) * | 2014-11-29 | 2015-02-04 | 济南职业学院 | Centrifugal switching circuit of single-phase motor |
-
2007
- 2007-06-05 CN CNU2007201511993U patent/CN201048361Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142803A (en) * | 2010-12-31 | 2011-08-03 | 珠海格力电器股份有限公司 | Starting circuit and starting method for controlling permanent magnet synchronous motor |
| CN102142803B (en) * | 2010-12-31 | 2013-05-29 | 珠海格力电器股份有限公司 | Starting circuit and starting method for controlling permanent magnet synchronous motor |
| CN104333268A (en) * | 2014-11-29 | 2015-02-04 | 济南职业学院 | Centrifugal switching circuit of single-phase motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20100605 |