CN202696514U - Series-resistor starting controller of shunting exited DC motor - Google Patents
Series-resistor starting controller of shunting exited DC motor Download PDFInfo
- Publication number
- CN202696514U CN202696514U CN 201220181154 CN201220181154U CN202696514U CN 202696514 U CN202696514 U CN 202696514U CN 201220181154 CN201220181154 CN 201220181154 CN 201220181154 U CN201220181154 U CN 201220181154U CN 202696514 U CN202696514 U CN 202696514U
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- Prior art keywords
- contactor
- resistor
- time
- switch
- normal open
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- Expired - Fee Related
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Abstract
The utility model discloses a series-resistor starting controller of a shunting exited DC motor, comprising an AC power supply, a power switch, an excitation winding, an armature winding, a starting button, a stop button, a first resistor, a second resistor, a first contactor, a second contactor, a third contactor, a first time contactor and a second time contactor. According to the utility model, the series resistors in the armature winding are started, and after the rotating speed of the motor reaches a certain value, the series resistors are cut off, full voltage operation is achieved, and the armature winding is prevented from burning out. The series-resistor starting controller of a shunting exited DC motor is advantageous in that the circuit is simple, the performance is stable, and installation and debugging are convenient.
Description
Technical field
The utility model relates to a kind of startup controller, and the crosstalk resistance that relates in particular to a kind of Shunt-excited DC Motors Based starts controller.
Background technology
Shunt-excited DC Motors Based is because the resistance of armature winding is less, directly start and to produce very large impulse current, generally can reach 10～20 times of rated current, thus direct startup can not be adopted, if directly startup can cause burning out of armature winding and cause life safety.
Summary of the invention
The purpose of this utility model provides a kind of crosstalk resistance of Shunt-excited DC Motors Based to start controller with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises AC power, mains switch, excitation winding, armature winding, start button, stop button, the first resistor, the second resistor, the first contactor, the second contactor, the 3rd contactor, very first time contactor and the second time contactor, described mains switch is connected in series on the described AC power, the first end of described mains switch respectively with the first end of described excitation winding, the first end of the first normal open switch of described the first contactor, the first end of the first normal open switch of described the second contactor, the first end of described starting switch, the first end of the normally closed switch of described the first contactor be connected the first end of normally closed switch of very first time contactor and connect, the second end of the first normal open switch of described the first contactor connect behind the described armature winding respectively with the first end of the normal open switch of described the 3rd contactor be connected the first end of the second resistor and be connected, the second end of the normal open switch of described the 3rd contactor respectively with the second end of described the second resistor, the first end of the normal open switch of described the second contactor be connected the first end of the first resistor and connect, the second end of the second normal open switch of described the first contactor respectively with the second end of described start button be connected the first end of stop button and be connected, the second end of described stop button is connected with the first end of described the first contactor, the second end of the normally closed switch of described the first contactor respectively with the first end of described very first time contactor be connected the first end of the second time contactor and be connected, the second end of described very first time contactor respectively with the first end of described the second time contactor be connected the first end of the second contactor and be connected, the second end of described the second time contactor is connected with the first end of described the 3rd contactor, the second end of described mains switch respectively with the second end of described excitation winding, the second end of the normal open switch of described the second contactor, the second end of described the first resistor, the second end of described the first contactor, the second end of described the second contactor, the second end of described the 3rd contactor, the second end of described very first time contactor be connected the second end of the second time contactor and connect.
The beneficial effects of the utility model are:
The utility model starts by series resistance in armature winding, and when treating that motor speed reaches certain value, the operation of excision series resistor total head prevents burning out of armature winding; The utlity model has that circuit is simple, stable performance and Installation and Debugging advantage easily.
Description of drawings
Fig. 1 is circuit diagram of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
As shown in Figure 1: the utility model comprises AC power, mains switch QS, excitation winding WE, armature winding WA, start button SB1, stop button SB2, the first resistor R1, the second resistor R2, the first contactor KM1, the second contactor KM2, the 3rd contactor KM3, very first time contactor KT1 and the second time contactor KT2, mains switch QS is connected in series on the AC power, the first end of mains switch QS respectively with the first end of excitation winding WE, the first end of the first normal open switch KM1-1 of the first contactor, the first end of the first normal open switch KM2-1 of the second contactor, the first end of starting switch SB1, the first end of the normally closed switch KM1-2 of the first contactor is connected the first end of normally closed switch KT1-1 and is connected with very first time contactor, behind the second end of the first normal open switch KM1-1 of the first contactor series connection armature winding WA respectively with the first end of the normal open switch KM3-1 of the 3rd contactor be connected the first end of resistor R2 and be connected, the second end of the normal open switch KM3-1 of the 3rd contactor respectively with the second end of the second resistor R2, the first end of the normal open switch KM2-1 of the second contactor be connected the first end of resistor R1 and connect, the second end of the second normal open switch KM1-2 of the first contactor is connected first end with the second end of start button SB1 respectively and is connected with stop button SB2, the second end of stop button SB2 is connected with the first end of the first contactor KM1, the second end of the normally closed switch KM1-2 of the first contactor respectively with the first end of very first time contactor KT1 be connected the first end of time contactor KT2 and be connected, the second end of very first time contactor KT1 respectively with the first end of the second time contactor KT2 be connected the first end of contactor KM2 and be connected, the second end of the second time contactor KT2 is connected with the first end of the 3rd contactor KM3, the second end of mains switch QS respectively with the second end of excitation winding WE, the second end of the normal open switch KM2-1 of the second contactor, the second end of the first resistor R1, the second end of the first contactor KM1, the second end of the second contactor KM2, the second end of the 3rd contactor KM3, the second end of very first time contactor KT1 be connected the second end of time contactor KT2 and connect.
Claims (1)
1. the crosstalk of Shunt-excited DC Motors Based resistance starts controller, it is characterized in that: comprise AC power, mains switch, excitation winding, armature winding, start button, stop button, the first resistor, the second resistor, the first contactor, the second contactor, the 3rd contactor, very first time contactor and the second time contactor, described mains switch is connected in series on the described AC power, the first end of described mains switch respectively with the first end of described excitation winding, the first end of the first normal open switch of described the first contactor, the first end of the first normal open switch of described the second contactor, the first end of described starting switch, the first end of the normally closed switch of described the first contactor be connected the first end of normally closed switch of very first time contactor and connect, the second end of the first normal open switch of described the first contactor connect behind the described armature winding respectively with the first end of the normal open switch of described the 3rd contactor be connected the first end of the second resistor and be connected, the second end of the normal open switch of described the 3rd contactor respectively with the second end of described the second resistor, the first end of the normal open switch of described the second contactor be connected the first end of the first resistor and connect, the second end of the second normal open switch of described the first contactor respectively with the second end of described start button be connected the first end of stop button and be connected, the second end of described stop button is connected with the first end of described the first contactor, the second end of the normally closed switch of described the first contactor respectively with the first end of described very first time contactor be connected the first end of the second time contactor and be connected, the second end of described very first time contactor respectively with the first end of described the second time contactor be connected the first end of the second contactor and be connected, the second end of described the second time contactor is connected with the first end of described the 3rd contactor, the second end of described mains switch respectively with the second end of described excitation winding, the second end of the normal open switch of described the second contactor, the second end of described the first resistor, the second end of described the first contactor, the second end of described the second contactor, the second end of described the 3rd contactor, the second end of described very first time contactor be connected the second end of the second time contactor and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181154 CN202696514U (en) | 2012-04-26 | 2012-04-26 | Series-resistor starting controller of shunting exited DC motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220181154 CN202696514U (en) | 2012-04-26 | 2012-04-26 | Series-resistor starting controller of shunting exited DC motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202696514U true CN202696514U (en) | 2013-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220181154 Expired - Fee Related CN202696514U (en) | 2012-04-26 | 2012-04-26 | Series-resistor starting controller of shunting exited DC motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202696514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300841A (en) * | 2014-11-07 | 2015-01-21 | 成都美益达医疗科技有限公司 | Motor starting circuit of medical centrifugal machine |
-
2012
- 2012-04-26 CN CN 201220181154 patent/CN202696514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300841A (en) * | 2014-11-07 | 2015-01-21 | 成都美益达医疗科技有限公司 | Motor starting circuit of medical centrifugal machine |
| CN104300841B (en) * | 2014-11-07 | 2016-08-17 | 成都美益达医疗科技有限公司 | A kind of motor start circuit of medical centrifuge |
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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: 20130123 Termination date: 20130426 |