CN104638614A - Motor temperature monitor for rotary machinery - Google Patents
Motor temperature monitor for rotary machinery Download PDFInfo
- Publication number
- CN104638614A CN104638614A CN201310564116.3A CN201310564116A CN104638614A CN 104638614 A CN104638614 A CN 104638614A CN 201310564116 A CN201310564116 A CN 201310564116A CN 104638614 A CN104638614 A CN 104638614A
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- China
- Prior art keywords
- thermistor
- resistance
- potentiometer
- triode
- emitting diode
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Abstract
The invention discloses a motor temperature monitor for rotary machinery. The motor temperature monitor for the rotary machinery comprises a first resistor, a second resistor, a third resistor, a fourth resistor, a first potentiometer, a second potentiometer, a first thermistor, a second thermistor, a third thermistor, a first triode, a second triode, a first light emitting diode, a second light emitting diode, a diode and a relay, wherein a positive pole inputting end of a power supply is respectively connected with a first end of the first resistor, a first end of the first potentiometer, a sliding end of the first potentiometer, a first end of the second resistor, a negative pole of the diode and a first end of the relay; and the second end of the first resistor is connected with a positive pole of the first light emitting diode. The temperature of a motor is monitored and protected in real time according to response of the thermistors on temperature change, equipment faults caused by over-high temperature of the motor are prevented effectively, and production efficiency is guaranteed.
Description
Technical field
The present invention relates to a kind of monitoring device of rotating machinery, particularly relate to a kind of motor temperature monitor for rotating machinery.
Background technology
Rotating machinery refers to the main machinery relying on spinning movement to complete specific function, is widely used in the departments such as electric power, petrochemical industry, metallurgy and Aero-Space.Motor refers to a kind of calutron realizing electric energy conversion according to the law of electromagnetic induction or transmit, and its Main Function produces driving torque, as the power source of rotating machinery.When rotating machinery is when operating continuously, often because of motor overheating or thermostat is malfunctioning causes equipment fault, affecting production efficiency, causing great economic loss.
Summary of the invention
Object of the present invention is just to provide a kind of motor temperature monitor for rotating machinery to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
For a motor temperature monitor for rotating machinery, comprise the first resistance, second resistance, 3rd resistance, 4th resistance, first potentiometer, second potentiometer, first thermistor, second thermistor, 3rd thermistor, first triode, second triode, first light-emitting diode, second light-emitting diode, diode and relay, positive source input respectively with the first end of described first resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the first end of described second resistance, the negative pole of described diode is connected with the first end of described relay, and the second end of described first resistance is connected with the positive pole of described first light-emitting diode, the negative pole of described first light-emitting diode respectively with the first end of described 3rd thermistor, the first end of described 4th resistance is connected rear ground connection with the first end of described second potentiometer, second end of described 3rd thermistor is connected with the first end of described second thermistor, second end of described second thermistor is connected with the first end of described first thermistor, second end of described first thermistor is connected with the second end of described first potentiometer and the base stage of described first triode respectively, the emitter of described first triode is connected with the emitter of described second triode and the second end of described 4th resistance respectively, the collector electrode of described first triode is connected with the first end of described 3rd resistance and the negative pole of described second light-emitting diode respectively, the positive pole of described second light-emitting diode is connected with the second end of described second resistance, second end of described 3rd resistance respectively with the second end of described second potentiometer, the sliding end of described second potentiometer is connected with the base stage of described second triode, and the collector electrode of described second triode is connected with the positive pole of described diode and the second end of described relay respectively.
Beneficial effect of the present invention is:
The present invention is a kind of motor temperature monitor for rotating machinery; utilize thermistor to the reaction of variations in temperature; carry out monitoring in real time and protecting to the temperature of motor, effectively prevent the equipment fault caused because motor temperature is too high, ensure that production efficiency.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of a kind of motor temperature monitor for rotating machinery of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1, a kind of motor temperature monitor for rotating machinery of the present invention, comprises the first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, first potentiometer RP1, second potentiometer RP2, first thermistor RT1, second thermistor RT2, 3rd thermistor RT3, first triode VT1, second triode VT2, first LED 1, second LED 2, diode D and relay J, positive source input respectively with the first end of the first resistance R1, the first end of the first potentiometer RP1, the sliding end of the first potentiometer RP1, the first end of the second resistance R2, the negative pole of diode D is connected with the first end of relay J, and second end of the first resistance R1 is connected with the positive pole of the first LED 1, the negative pole of the first LED 1 respectively with the first end of the 3rd thermistor RT3, the first end of the 4th resistance R4 is connected rear ground connection with the first end of the second potentiometer RP2, second end of the 3rd thermistor RT3 is connected with the first end of the second thermistor RT2, second end of the second thermistor RT2 is connected with the first end of the first thermistor RT1, second end of the first thermistor RT1 is connected with second end of the first potentiometer RP1 and the base stage of the first triode VT1 respectively, the emitter of the first triode VT1 is connected with the emitter of the second triode VT2 and second end of the 4th resistance R4 respectively, the collector electrode of the first triode VT1 is connected with the first end of the 3rd resistance R3 and the negative pole of the second LED 2 respectively, the positive pole of the second LED 2 is connected with second end of the second resistance R2, second end of the 3rd resistance R3 respectively with second end of the second potentiometer RP2, the sliding end of the second potentiometer RP2 is connected with the base stage of the second triode VT2, and the collector electrode of the second triode VT2 is connected with the positive pole of diode D and the second end of relay J respectively.
Be embedded in respectively in the winding of motor stator by three thermistors, under normal circumstances, thermistor is in normal temperature state, their total resistance is less than 1 kilo-ohm, and the first triode VT1 ends, the second triode VT2 conducting, relay J obtains electric adhesive, and motor is operated by mains-supplied.When motor causes local overheating because of fault; as long as when having a thermistor heating temperature to exceed preset temperature; its resistance can more than more than 10 kilo-ohms; first triode VT1 conducting; second triode VT2 ends, the second LED 2 luminous alarm, and relay J dead electricity discharges; motor shuts down, and reaches the object of protection.
Claims (1)
1. for a motor temperature monitor for rotating machinery, it is characterized in that: comprise the first resistance, second resistance, 3rd resistance, 4th resistance, first potentiometer, second potentiometer, first thermistor, second thermistor, 3rd thermistor, first triode, second triode, first light-emitting diode, second light-emitting diode, diode and relay, positive source input respectively with the first end of described first resistance, the first end of described first potentiometer, the sliding end of described first potentiometer, the first end of described second resistance, the negative pole of described diode is connected with the first end of described relay, and the second end of described first resistance is connected with the positive pole of described first light-emitting diode, the negative pole of described first light-emitting diode respectively with the first end of described 3rd thermistor, the first end of described 4th resistance is connected rear ground connection with the first end of described second potentiometer, second end of described 3rd thermistor is connected with the first end of described second thermistor, second end of described second thermistor is connected with the first end of described first thermistor, second end of described first thermistor is connected with the second end of described first potentiometer and the base stage of described first triode respectively, the emitter of described first triode is connected with the emitter of described second triode and the second end of described 4th resistance respectively, the collector electrode of described first triode is connected with the first end of described 3rd resistance and the negative pole of described second light-emitting diode respectively, the positive pole of described second light-emitting diode is connected with the second end of described second resistance, second end of described 3rd resistance respectively with the second end of described second potentiometer, the sliding end of described second potentiometer is connected with the base stage of described second triode, and the collector electrode of described second triode is connected with the positive pole of described diode and the second end of described relay respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564116.3A CN104638614A (en) | 2013-11-14 | 2013-11-14 | Motor temperature monitor for rotary machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310564116.3A CN104638614A (en) | 2013-11-14 | 2013-11-14 | Motor temperature monitor for rotary machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104638614A true CN104638614A (en) | 2015-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310564116.3A Pending CN104638614A (en) | 2013-11-14 | 2013-11-14 | Motor temperature monitor for rotary machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104638614A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391641A (en) * | 2019-07-22 | 2019-10-29 | 金陵科技学院 | Overheat protector for motor and motor overheating protect control method |
| CN112462255A (en) * | 2019-09-06 | 2021-03-09 | 深圳市睿德龙智能电气有限公司 | Device for monitoring electric equipment |
-
2013
- 2013-11-14 CN CN201310564116.3A patent/CN104638614A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110391641A (en) * | 2019-07-22 | 2019-10-29 | 金陵科技学院 | Overheat protector for motor and motor overheating protect control method |
| CN110391641B (en) * | 2019-07-22 | 2024-04-09 | 金陵科技学院 | Motor overheat protector and motor overheat protection control method |
| CN112462255A (en) * | 2019-09-06 | 2021-03-09 | 深圳市睿德龙智能电气有限公司 | Device for monitoring electric equipment |
| CN112462255B (en) * | 2019-09-06 | 2024-05-31 | 深圳市睿德龙智能电气有限公司 | Device for monitoring electric equipment |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |