CN104568178A - Temperature monitoring device for large rotary machine - Google Patents
Temperature monitoring device for large rotary machine Download PDFInfo
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- CN104568178A CN104568178A CN201310485047.7A CN201310485047A CN104568178A CN 104568178 A CN104568178 A CN 104568178A CN 201310485047 A CN201310485047 A CN 201310485047A CN 104568178 A CN104568178 A CN 104568178A
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- triode
- potentiometer
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- resistance
- temperature sensor
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Abstract
The invention discloses a temperature monitoring device for a large rotary machine. The temperature monitoring device comprises a battery, a switch, a loudspeaker, a first triode to a third triode, a first resistor to a fourth resistor, a capacitor, a first light emitting diode, a second light emitting diode, a voltage stabilizing diode, a first potentiometer, a second potentiometer, a sound effect controller and a temperature sensor, wherein the positive pole of the battery is connected with a first end of the switch, and a second end of the switch is connected with a first end of the loudspeaker, a first end of the first resistor, a first end of the second resistor, a first end of the first potentiometer, a sliding end of the first potentiometer, a first end of the second potentiometer, a sliding end of the second potentiometer and an eighth pin of the temperature sensor respectively. The temperature of the whole rotary machine can be effectively monitored, the problems of line fault and part damage caused by overhigh circuit temperature are solved timely, the maintenance frequency is reduced, and the cost is saved.
Description
Technical field
The present invention relates to a kind of supervising device of large rotating machinery, particularly relate to a kind of device for monitoring temperature of large rotating machinery.
Background technology
Machinery can help people to reduce work difficulty or labour-saving tool device exactly, as chopsticks, broom and tweezers one the article of class can be called as machinery, they are simple and mechanical, and complicated machinery is exactly be made up of the simple and mechanical of two or more, usually the machinery of these more complicated is called machine, from the viewpoint of structure and motion, mechanism and machine indistinction, be loosely referred to as machinery.Rotating machinery refers to the main machinery relying on spinning movement to complete specific function, typical rotating machinery has steam turbine, gas turbine, centrifugal and Axial Flow Compressor, blower fan, pump, the hydraulic turbine, generator and aeromotor etc., is widely used in the departments such as electric power, petrochemical industry, metallurgy and Aero-Space.Rotating machinery is because spin friction can produce very large heat, and circuit power is comparatively large in addition, easily makes circuit temperature too high, causes line fault, damages parts, repairs also cumbersome, costly.
Summary of the invention
Object of the present invention is just the device for monitoring temperature providing a kind of large rotating machinery in order to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A device for monitoring temperature for large rotating machinery, comprises battery, switch, loudspeaker, first triode is to the 3rd triode, first resistance is to the 4th resistance, electric capacity, first light emitting diode, second light emitting diode, voltage stabilizing diode, first potentiometer, second potentiometer, sound effect control device and temperature sensor, the positive pole of described battery is connected with the first end of described switch, the second end of described switch respectively with the first end of described loudspeaker, the first end of described first resistance, the first end of described second resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the first end of described second potentiometer, the sliding end of described second potentiometer is connected with the 8th pin of described temperature sensor, second end of described loudspeaker is connected with the collector of described first triode, the base stage of described first triode is connected with the 4th pin of described sound effect control device, the emitter of described first triode respectively with the negative pole of described battery, 5th pin of described sound effect control device, the positive pole of described voltage stabilizing diode, the first end of described electric capacity is connected with the 4th pin of described temperature sensor, the negative pole of described voltage stabilizing diode respectively with the second pin of described sound effect control device, first pin of described sound effect control device, the collector of described second triode, the described emitter of the 3rd triode is connected with the second end of described electric capacity, the emitter of described second triode is connected with the negative pole of described first light emitting diode, the positive pole of described first light emitting diode is connected with the second end of described first resistance, the base stage of described second triode is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the 7th pin of described temperature sensor, the base stage of described 3rd triode is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the 6th pin of described temperature sensor, the collector of described 3rd triode is connected with the negative pole of described second light emitting diode, the positive pole of described second light emitting diode is connected with the second end of described second resistance, second end of described first potentiometer is connected with the 3rd pin of described temperature sensor, second end of described second potentiometer is connected with the second pin of described temperature sensor.
Beneficial effect of the present invention is:
The present invention is a kind of device for monitoring temperature of large rotating machinery, effectively can monitor the temperature of whole rotating machinery, avoid in time because circuit temperature is too high, the line fault caused, and damages the problem of parts, decreases maintenance frequency, saved cost.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the device for monitoring temperature of a kind of large rotating machinery of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, the device for monitoring temperature of a kind of large rotating machinery of the present invention, comprises battery V, switch S, loudspeaker BY, first triode VT1 is to the 3rd triode VT3, first resistance R1 is to the 4th resistance R4, electric capacity C, first LED 1, second LED 2, voltage stabilizing diode DW, first potentiometer RP1, second potentiometer RP2, sound effect control device IC1 and temperature sensor IC2, the positive pole of battery V is connected with the first end of switch S, the second end of switch S respectively with the first end of loudspeaker BY, the first end of the first resistance R1, the first end of the second resistance R2, the first end of the first potentiometer RP1, the sliding end of the first potentiometer RP1, the first end of the second potentiometer RP2, the sliding end of the second potentiometer RP2 is connected with the 8th pin of temperature sensor IC2, second end of loudspeaker BY is connected with the collector of the first triode VT1, the base stage of the first triode VT1 is connected with the 4th pin of sound effect control device IC1, the emitter of the first triode VT1 respectively with the negative pole of battery V, 5th pin of sound effect control device IC1, the positive pole of voltage stabilizing diode DW, the first end of electric capacity C is connected with the 4th pin of temperature sensor IC2, the negative pole of voltage stabilizing diode DW respectively with second pin of sound effect control device IC1, first pin of sound effect control device IC1, the collector of the second triode VT2, the emitter of the 3rd triode VT3 is connected with second end of electric capacity C, the emitter of the second triode VT2 is connected with the negative pole of the first LED 1, the positive pole of the first LED 1 is connected with second end of the first resistance R1, the base stage of the second triode VT2 is connected with the first end of the 4th resistance R4, second end of the 4th resistance R4 is connected with the 7th pin of temperature sensor IC2, the base stage of the 3rd triode VT3 is connected with the first end of the 3rd resistance R3, second end of the 3rd resistance R3 is connected with the 6th pin of temperature sensor IC2, the collector of the 3rd triode VT3 is connected with the negative pole of the second LED 2, the positive pole of the second LED 2 is connected with second end of the second resistance R2, second end of the first potentiometer RP1 is connected with the 3rd pin of temperature sensor IC2, second end of the second potentiometer RP2 is connected with second pin of temperature sensor IC2.
The chip model that sound effect control device IC1 uses is HFC9301, and the chip model that temperature sensor IC2 uses is TC602.
In circuit, the first potentiometer RP1 is used for setting the higher limit of alarm temperature, and the second potentiometer RP2 is used for setting the lower limit of alarm temperature.When temperature is between setting range, the 6th pin output low level of temperature sensor IC2,7th pin exports high level, second triode VT2 and the 3rd triode VT3 is all in off-state, first LED 1 and the second LED 2 all not luminous, sound effect control device IC1 and the first triode VT1 does not work, loudspeaker BY not sounding.
Prescribe a time limit when temperature is reduced to the lower of setting alarm temperature, the 7th pin output low level of temperature sensor IC2, make the second triode VT2 conducting, first LED 1 is luminous, instruction dut temperature is on the low side, sound effect control device IC1 work simultaneously, the audio electric signal of output amplifies rear drive loudspeaker BY sounding through the first triode VT1.
Prescribe a time limit when temperature is increased to the upper of setting alarm temperature, 6th pin of temperature sensor IC2 exports high level, make the 3rd triode VT3 conducting, second LED 2 is luminous, instruction dut temperature is higher, sound effect control device IC1 work simultaneously, the audio electric signal of output amplifies rear drive loudspeaker BY sounding through the first triode VT1.
Claims (1)
1. a device for monitoring temperature for large rotating machinery, is characterized in that: comprise battery, switch, loudspeaker, first triode is to the 3rd triode, first resistance is to the 4th resistance, electric capacity, first light emitting diode, second light emitting diode, voltage stabilizing diode, first potentiometer, second potentiometer, sound effect control device and temperature sensor, the positive pole of described battery is connected with the first end of described switch, the second end of described switch respectively with the first end of described loudspeaker, the first end of described first resistance, the first end of described second resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the first end of described second potentiometer, the sliding end of described second potentiometer is connected with the 8th pin of described temperature sensor, second end of described loudspeaker is connected with the collector of described first triode, the base stage of described first triode is connected with the 4th pin of described sound effect control device, the emitter of described first triode respectively with the negative pole of described battery, 5th pin of described sound effect control device, the positive pole of described voltage stabilizing diode, the first end of described electric capacity is connected with the 4th pin of described temperature sensor, the negative pole of described voltage stabilizing diode respectively with the second pin of described sound effect control device, first pin of described sound effect control device, the collector of described second triode, the described emitter of the 3rd triode is connected with the second end of described electric capacity, the emitter of described second triode is connected with the negative pole of described first light emitting diode, the positive pole of described first light emitting diode is connected with the second end of described first resistance, the base stage of described second triode is connected with the first end of described 4th resistance, second end of described 4th resistance is connected with the 7th pin of described temperature sensor, the base stage of described 3rd triode is connected with the first end of described 3rd resistance, second end of described 3rd resistance is connected with the 6th pin of described temperature sensor, the collector of described 3rd triode is connected with the negative pole of described second light emitting diode, the positive pole of described second light emitting diode is connected with the second end of described second resistance, second end of described first potentiometer is connected with the 3rd pin of described temperature sensor, second end of described second potentiometer is connected with the second pin of described temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485047.7A CN104568178A (en) | 2013-10-16 | 2013-10-16 | Temperature monitoring device for large rotary machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485047.7A CN104568178A (en) | 2013-10-16 | 2013-10-16 | Temperature monitoring device for large rotary machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104568178A true CN104568178A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310485047.7A Pending CN104568178A (en) | 2013-10-16 | 2013-10-16 | Temperature monitoring device for large rotary machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104568178A (en) |
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2013
- 2013-10-16 CN CN201310485047.7A patent/CN104568178A/en active Pending
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150429 |
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| WD01 | Invention patent application deemed withdrawn after publication |