CN102931887A - Soft starter for slip ring motor - Google Patents
Soft starter for slip ring motor Download PDFInfo
- Publication number
- CN102931887A CN102931887A CN2012104721804A CN201210472180A CN102931887A CN 102931887 A CN102931887 A CN 102931887A CN 2012104721804 A CN2012104721804 A CN 2012104721804A CN 201210472180 A CN201210472180 A CN 201210472180A CN 102931887 A CN102931887 A CN 102931887A
- Authority
- CN
- China
- Prior art keywords
- slip ring
- ring motor
- motor
- soft starter
- corrosion
- 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
Abstract
The invention discloses a soft starter for a slip ring motor, which comprises a slip ring motor, wherein a resistance solution is sealed in a corrosion-resistant shell, three binding posts connected with a motor rotor respectively are arranged on a top plate of the corrosion-resistant shell, and three conducting pole plates submerged in the resistance solution are connected in series in a winding of the slip ring motor rotor, and connected with the binging posts. The resistance solution is sodium chloride solution. Compared with the prior art, the soft starter for the slip ring motor has the significant advantages of small starting current, small volume and low cost.
Description
Technical field:
The present invention relates to motor starter, particularly a kind of slip ring motor soft initiator.
Background technology:
Starting current during for the startup of high-power slip ring motor generally is about 3 times of motor rated current, and electrical network is had larger impact.Starter commonly used is frequency sensitive trheostat, and its volume is large, cost is high.
Summary of the invention:
The purpose of this invention is to provide a kind of slip ring motor soft initiator that a kind of starting current is little, volume is little and cost is low.
The technical scheme that realizes the object of the invention is, a kind of slip ring motor soft initiator, comprise slip ring motor, it is characterized in that: resistor fluid is sealed in the corrosion-resistant housing, the top board of described corrosion-resistant housing is provided with three binding posts that are connected with rotor respectively, three conductive plates that are immersed in the described resistor fluid are serially connected in respectively in the winding of described slip ring motor rotor, and are connected with described binding post.Described resistor fluid is sodium chloride solution.
The present invention has the remarkable advantage that starting current is little, volume is little and cost is low compared with the prior art.
Description of drawings:
Fig. 1 is the structural representation of slip ring motor starter of the present invention.
Embodiment:
The present invention has following examples, the top board of resistant material (such as stainless steel) housing 1 is provided with three binding posts 4 that are connected with the slip ring motor rotor respectively, above-mentioned three binding posts are connected with conductive plate 3 in the housing respectively, this conductive plate is immersed in the interior resistor fluid 2 of housing, and described resistor fluid is sodium chloride solution.Described three conductive plates are serially connected in respectively in three phase windings of slip ring motor rotor.
Operation principle of the present invention is that during starter motor, conductive pole and rotor are connected, motor begins to start, and this moment, the resistor fluid temperature was low, and its resistance is large, motor slowly rotates, with the prolongation of motor starting time, the resistor fluid temperature raises gradually, and its resistance reduces gradually, motor speed increases gradually, when motor speed reaches rated speed, start the control circuit short circuit and cut off the conductive plate loop, motor changes normal operation over to.This starter starts steadily, starting current is less, and little, the lightweight cost of volume is low, because stainless steel case is hermetically-sealed construction, resistor fluid does not lose thereby generally do not need repairing.
Claims (2)
1. slip ring motor soft initiator, comprise slip ring motor, it is characterized in that: resistor fluid is sealed in the corrosion-resistant housing, the top board of described corrosion-resistant housing is provided with three binding posts that are connected with rotor respectively, three conductive plates that are immersed in the described resistor fluid are serially connected in respectively in the winding of described slip ring motor rotor, and are connected with described binding post.
2. a kind of slip ring motor soft initiator according to claim 1, it is characterized in that: described resistor fluid is sodium chloride solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104721804A CN102931887A (en) | 2012-11-21 | 2012-11-21 | Soft starter for slip ring motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104721804A CN102931887A (en) | 2012-11-21 | 2012-11-21 | Soft starter for slip ring motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102931887A true CN102931887A (en) | 2013-02-13 |
Family
ID=47646619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104721804A Pending CN102931887A (en) | 2012-11-21 | 2012-11-21 | Soft starter for slip ring motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102931887A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257587A (en) * | 2020-01-22 | 2020-06-09 | 武汉船用机械有限责任公司 | Rotating speed measuring device for double-speed motor |
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629339Y (en) * | 2003-05-09 | 2004-07-28 | 何秉涛 | Single-tank water resisting motor starting device |
| CN2722499Y (en) * | 2004-08-26 | 2005-08-31 | 尚勤贵 | Liquid varistor starter of slip ring motor |
| CN1917355A (en) * | 2006-09-08 | 2007-02-21 | 新乡市豫新电器有限公司 | Liquid starter of slip ring electrical motor |
| JP2007074782A (en) * | 2005-09-05 | 2007-03-22 | Nishihara Environment Technology Inc | Speed controller and speed control system for motor with wound coils, which use liquid |
| CN202957777U (en) * | 2012-11-21 | 2013-05-29 | 新乡市豫新电器有限公司 | Soft starter of slip ring motor |
-
2012
- 2012-11-21 CN CN2012104721804A patent/CN102931887A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629339Y (en) * | 2003-05-09 | 2004-07-28 | 何秉涛 | Single-tank water resisting motor starting device |
| CN2722499Y (en) * | 2004-08-26 | 2005-08-31 | 尚勤贵 | Liquid varistor starter of slip ring motor |
| JP2007074782A (en) * | 2005-09-05 | 2007-03-22 | Nishihara Environment Technology Inc | Speed controller and speed control system for motor with wound coils, which use liquid |
| CN1917355A (en) * | 2006-09-08 | 2007-02-21 | 新乡市豫新电器有限公司 | Liquid starter of slip ring electrical motor |
| CN202957777U (en) * | 2012-11-21 | 2013-05-29 | 新乡市豫新电器有限公司 | Soft starter of slip ring motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257587A (en) * | 2020-01-22 | 2020-06-09 | 武汉船用机械有限责任公司 | Rotating speed measuring device for double-speed motor |
| CN111273053A (en) * | 2020-01-22 | 2020-06-12 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
| CN111273053B (en) * | 2020-01-22 | 2022-11-01 | 武汉船用机械有限责任公司 | Rotating speed measuring device for motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130213 |