CN2788447Y - Static controlling starter without contact - Google Patents
Static controlling starter without contact Download PDFInfo
- Publication number
- CN2788447Y CN2788447Y CN 200520028607 CN200520028607U CN2788447Y CN 2788447 Y CN2788447 Y CN 2788447Y CN 200520028607 CN200520028607 CN 200520028607 CN 200520028607 U CN200520028607 U CN 200520028607U CN 2788447 Y CN2788447 Y CN 2788447Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- bidirectional thyristor
- control
- utility
- model
- 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.)
- Expired - Fee Related
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- Motor And Converter Starters (AREA)
Abstract
The utility model relates to an electric control element, namely a static contactless control starter. A controlling circuit is composed of a bidirectional thyristor main circuit and a switch control circuit, wherein the bidirectional thyristor main circuit is composed of a bidirectional thyristor, a resistance-capacity protection circuit and a relay control circuit. The controllable characteristic of the bidirectional thyristor is used for controlling the switching-on and the switching-off of the circuit to realize a starting apparatus with no contact, no spark and no noise to replace the traditional relay contactor control system. The utility model has the characteristics of smooth start, quickness and power saving.
Description
Technical field
The utility model relates to a kind of electric control element, promptly static contactless control starter.
Background technology
In prior art, have that the electric control element of start-up control is common to be contactor, be used for controlling electric motor starting, its shortcoming is that big electric current is often born and easy burn-out reduces useful life in the contact, increases use cost.Also there is the shortcoming that power consumption is big, noise is big simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of user mode of improving, economical and practical static contactless control starter at above-mentioned deficiency.
Technical solution of the present utility model is: the control circuit in static contactless its housing of control starter is made up of bidirectional thyristor main circuit and ON-OFF control circuit, and described bidirectional thyristor main circuit is by bidirectional thyristor, form at the rc protection circuit and the control relay circuit of the parallel connection of bidirectional thyristor two ends.
The utility model has the advantages that :-the break-make of utilizing the controllable characteristics of bidirectional thyristor to come control circuit, realize contactless, no-spark, noiselessness starting equipment, substitute traditional relay contactor control system, have the characteristics level and smooth, quick, economize on electricity that start.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Accompanying drawing is circuit theory diagrams of the present utility model.
Embodiment
Referring to accompanying drawing, the control circuit in static contactless its housing of control starter is made up of bidirectional thyristor main circuit and ON-OFF control circuit.Described bidirectional thyristor main circuit is made up of bidirectional thyristor V1, V2, V3, rc protection circuit R1, C1 and control relay circuit J1; rc protection circuit R1, C1 can reduce and start the high pressure that moment is added in the bidirectional thyristor two ends, reach the effect of protection bidirectional thyristor.ON-OFF control circuit comprises control button SB1, SB2, and control transformer, rectification circuit and control relay are formed.Start: press the button SB2, relay J 1 gets electric, node J1 closure, circuit turn-on, starting load (motor).Stop: pressing the button SB1, relay J 1 must not be electric, and node J1 disconnects, and not conducting of circuit stops load (motor) operation.The utility model is applicable to interchange 50Hz, and rated voltage is to 380V, and rated power is used for the direct or reduced voltage starting of threephase asynchronous machine to the circuit of 50kw.
Claims (1)
1, the contactless control starter of a kind of static state; it is characterized in that its control circuit is made up of bidirectional thyristor main circuit and ON-OFF control circuit, described bidirectional thyristor main circuit is by bidirectional thyristor, form at the rc protection circuit and the control relay circuit of the parallel connection of bidirectional thyristor two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520028607 CN2788447Y (en) | 2005-04-30 | 2005-04-30 | Static controlling starter without contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520028607 CN2788447Y (en) | 2005-04-30 | 2005-04-30 | Static controlling starter without contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2788447Y true CN2788447Y (en) | 2006-06-14 |
Family
ID=36786740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520028607 Expired - Fee Related CN2788447Y (en) | 2005-04-30 | 2005-04-30 | Static controlling starter without contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2788447Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471326A (en) * | 2015-12-28 | 2016-04-06 | 天津市福锐达电气成套设备工程有限公司 | Starting and stopping control system of three-phase irreversible motor |
| CN105511391A (en) * | 2015-12-28 | 2016-04-20 | 天津市福锐达电气成套设备工程有限公司 | Intelligent water pump control system based on programmable logic controller |
-
2005
- 2005-04-30 CN CN 200520028607 patent/CN2788447Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471326A (en) * | 2015-12-28 | 2016-04-06 | 天津市福锐达电气成套设备工程有限公司 | Starting and stopping control system of three-phase irreversible motor |
| CN105511391A (en) * | 2015-12-28 | 2016-04-20 | 天津市福锐达电气成套设备工程有限公司 | Intelligent water pump control system based on programmable logic controller |
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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: 20060614 |