CN203491676U - Temperature detection controller for motor of large-scale rotary machine - Google Patents
Temperature detection controller for motor of large-scale rotary machine Download PDFInfo
- Publication number
- CN203491676U CN203491676U CN201320586390.6U CN201320586390U CN203491676U CN 203491676 U CN203491676 U CN 203491676U CN 201320586390 U CN201320586390 U CN 201320586390U CN 203491676 U CN203491676 U CN 203491676U
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- China
- Prior art keywords
- relay
- triode
- motor
- detection controller
- temperature detection
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- Expired - Fee Related
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Abstract
The utility model discloses a temperature detection controller for a motor of a large-scale rotary machine. The temperature detection controller comprises a temperature sensor, a transformer, a first relay, a second relay, a resistor, a capacitor, a diode, a triode, and a switch. The first terminal of the temperature sensor is connected with the first terminal of the resistor. The second terminal of the resistor is connected with the first terminal of the first relay, the first terminal of the capacitor, and the positive electrode of the diode. The second terminal of the first relay is connected with the collector electrode of the triode. The base electrode of the triode is connected with the second terminal of the temperature sensor. The temperature detection controller of the utility model is advantaged by simple circuit structure and stable work state, and has popularization and utilization values.
Description
Technical field
The utility model relates to a kind of temperature detection controller, relates in particular to a kind of temperature detection controller for large rotating machinery motor.
Background technology
Motor cost for large rotating machinery is higher, motor is in the heating in a large number that works long hours later, caloric value is crossed conference and is caused motor cisco unity malfunction, or motor damage, cause unnecessary loss, so need a kind of temperature detection controller to detect the motor temperature of large rotating machinery, and the operating state of motor controlled.
Utility model content
The purpose of this utility model provides a kind of temperature detection controller for large rotating machinery motor with regard to being in order to address the above problem.
In order to achieve the above object, the utility model has adopted following technical scheme:
A kind of temperature detection controller for large rotating machinery motor, comprise temperature sensor, transformer, the first relay, the second relay, resistance, electric capacity, diode, triode and switch, the first end of described temperature sensor is connected with the first end of described resistance, the second end of described resistance respectively with the first end of described the first relay, the first end of described electric capacity is connected with the positive pole of described diode, the second end of described the first relay is connected with the collector electrode of described triode, the base stage of described triode is connected with the second end of described temperature sensor, the emitter of described triode is connected with the first end of the second end of described electric capacity and a winding of described transformer respectively, the second end of a winding of described transformer is connected with the negative pole of described diode, the secondary winding first end of described transformer respectively with the first end of the contact switch of the first relay, the first end of the contact switch of the second relay is connected with the first end of described switch, the second end of the contact switch of the first relay is connected with the first end of described the second relay, the second end of described the second relay respectively with the second end of the secondary winding of described transformer, the first control signal input of large rotating machinery motor is connected with the first power input, the second end of the contact switch of the second relay is connected with the second control signal input of large rotating machinery motor, the second end of described switch is connected with second source input.
The beneficial effects of the utility model are:
The utility model is for the temperature detection controller of large rotating machinery motor, and it has advantages of circuit structure simply and stable working state, has the value of promoting and using.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the circuit diagram of the temperature detection controller of large rotating machinery motor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, the utility model is for the temperature detection controller of large rotating machinery motor, comprise temperature sensor IC, transformer T, the first relay J 1, the second relay J 2, resistance R, capacitor C, diode D, triode VT and switch S, the first end of temperature sensor IC is connected with the first end of resistance R, the second end of resistance R respectively with the first end of the first relay J 1, the first end of capacitor C is connected with the positive pole of diode D, the second end of the first relay J 1 is connected with the collector electrode of triode VT, the base stage of triode VT is connected with the second end of temperature sensor IC, the emitter of triode VT is connected with the first end of the second end of capacitor C and a winding of transformer T respectively, the second end of a winding of transformer T is connected with the negative pole of diode D, the secondary winding first end of transformer T respectively with the first end of the contact switch J1-1 of the first relay, the first end of contact switch J2-1 and the first end of switch S of the second relay are connected, the second end of the contact switch J1-1 of the first relay is connected with the first end of the second relay J 2, the second end of the second relay J 2 respectively with the second end of the secondary winding of transformer T, the first control signal input of large rotating machinery motor M is connected with the first power input, the second end of the contact switch J2-1 of the second relay is connected with the second control signal input of large rotating machinery motor M, the second end of switch S is connected with second source input.
When large rotating machinery is just started working, S closes a switch, large rotating machinery motor M is in operating state, temperature sensor IC detects the temperature of motor, when the temperature of large rotating machinery motor M is normal temperature, triode VT open base, in cut-off state, the first relay J 1 adhesive, the contact switch J2-1 of the second relay is in closure state; When excess Temperature, triode VT connects, the second relay J 2 adhesives, and the contact switch J2-1 of the second relay is in off-state, and large rotating machinery motor M quits work.
Claims (1)
1. the temperature detection controller for large rotating machinery motor, it is characterized in that: comprise temperature sensor, transformer, the first relay, the second relay, resistance, electric capacity, diode, triode and switch, the first end of described temperature sensor is connected with the first end of described resistance, the second end of described resistance respectively with the first end of described the first relay, the first end of described electric capacity is connected with the positive pole of described diode, the second end of described the first relay is connected with the collector electrode of described triode, the base stage of described triode is connected with the second end of described temperature sensor, the emitter of described triode is connected with the first end of the second end of described electric capacity and a winding of described transformer respectively, the second end of a winding of described transformer is connected with the negative pole of described diode, the secondary winding first end of described transformer respectively with the first end of the contact switch of the first relay, the first end of the contact switch of the second relay is connected with the first end of described switch, the second end of the contact switch of the first relay is connected with the first end of described the second relay, the second end of described the second relay respectively with the second end of the secondary winding of described transformer, the first control signal input of large rotating machinery motor is connected with the first power input, the second end of the contact switch of the second relay is connected with the second control signal input of large rotating machinery motor, the second end of described switch is connected with second source input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586390.6U CN203491676U (en) | 2013-09-22 | 2013-09-22 | Temperature detection controller for motor of large-scale rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320586390.6U CN203491676U (en) | 2013-09-22 | 2013-09-22 | Temperature detection controller for motor of large-scale rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203491676U true CN203491676U (en) | 2014-03-19 |
Family
ID=50262478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320586390.6U Expired - Fee Related CN203491676U (en) | 2013-09-22 | 2013-09-22 | Temperature detection controller for motor of large-scale rotary machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203491676U (en) |
-
2013
- 2013-09-22 CN CN201320586390.6U patent/CN203491676U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20140319 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |