CN203519629U - Motor overvoltage overspeed alarm for industrial automation equipment - Google Patents
Motor overvoltage overspeed alarm for industrial automation equipment Download PDFInfo
- Publication number
- CN203519629U CN203519629U CN201320619972.XU CN201320619972U CN203519629U CN 203519629 U CN203519629 U CN 203519629U CN 201320619972 U CN201320619972 U CN 201320619972U CN 203519629 U CN203519629 U CN 203519629U
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- steady state
- resistance
- state trigger
- triode
- potentiometer
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Abstract
The utility model discloses a motor overvoltage overspeed alarm for industrial automation equipment. The alarm provided by the utility model comprises a first diode, a second diode, a DC power source, a speed sensor, a first resistor to a seventh resistor, a light emitting diode, a first triode, a second triode, a first stable multivibrator, a second stable multivibrator, a first potentiometer, a second potentiometer, and a first capacitor to a fourth capacitor. In comparison with the prior art, operating speed of a motor of industrial automation equipment can be monitored at real time. When the motor overspeeds, an alarm sound can be given out automatically to remind workers to adjust timely. In addition, the alarm provided by the utility model has advantages of simple circuit structure, low cost and small volume, is convenient to install, and is beneficial to popularization.
Description
Technical field
The utility model relates to a kind of industrial automation equipment servicing unit, relates in particular to a kind of motor overvoltage overspeed alarm for industrial automation equipment.
Background technology
Industrial automation equipment is the general designation of numerous automated productions, and automation equipment is the in the situation that of unmanned the intervention, according to the instruction of having set or program, and the task of the flow process of automatically finishing the work.Automation equipment is widely used on manufacturing industry, food production line, electronic apparatus packaging production line, all plays an important role in industries such as agricultural, logistics simultaneously.And in prior art, the motor power source that is absolutely necessary, and can run into unavoidably the situation of spread of voltage, overtension can cause motor rotation hypervelocity, will cause machining failure, causes machining precision error larger.
Utility model content
The purpose of this utility model provides a kind of motor overvoltage overspeed alarm for industrial automation equipment 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 the first diode, the second diode, direct supply, speed probe, the first resistance to the seven resistance, light emitting diode, the first triode, the second triode, the first steady state trigger, the second steady state trigger, the first electric capacity to the four electric capacity, the first potentiometer and the second potentiometer, the anodal while of described direct supply and the first end of described the 7th resistance, the voltage end of described the second steady state trigger, the reset terminal of described the second steady state trigger, the first end of described the second potentiometer, the voltage end of described the first steady state trigger, the reset terminal of described the first steady state trigger is connected with the first end of described the first potentiometer, the negative pole while of described direct supply and the first end of described the 4th electric capacity, the first end of described the 3rd electric capacity, the first end of described the 6th resistance, the first end of described the second electric capacity, the first end of described the first electric capacity is connected with the first end of described the 3rd resistance, the first end of described the first resistance is connected with the first end of described the second resistance with the signal output part of described speed probe simultaneously, the second end of described the first resistance is connected with the positive pole of described the first diode, the second end of described the second resistance is connected with the base stage of described the first triode, the second end of described the 3rd resistance is connected with the collector of described the first triode, the first end of described the 4th resistance is connected with the first end of described the 5th resistance with the output terminal of described the first steady state trigger simultaneously, the second end of described the 4th resistance is connected with the positive pole of described the second diode, the second end of described the 5th resistance is connected with the base stage of described the second triode, the second end of described the 6th resistance is connected with the collector of described the second triode, the second end of described the 7th resistance is connected with the positive pole of described light emitting diode, the negative pole of described the first diode is connected with the trigger end of described the first steady state trigger, the negative pole of described the second diode is connected with the trigger end of described the second steady state trigger, the negative pole of described light emitting diode is connected with the output terminal of described the second steady state trigger, the emitter of described the first triode is connected with the sliding end of described potentiometer and the threshold value end of described the first steady state trigger simultaneously, the emitter of described the second triode is connected with the sliding end of described the second potentiometer and the threshold value end of described the second steady state trigger simultaneously, the second end of described the first potentiometer is connected with the first end of described the first electric capacity and the electric control end processed of described the first steady state trigger simultaneously, the second end of described the second potentiometer is connected with the first end of described the 3rd electric capacity and the electric control end processed of described the second steady state trigger simultaneously, the second end of described the second electric capacity is connected with the earth terminal of described the first steady state trigger, the second end of described the 4th electric capacity is connected with the earth terminal of described the second steady state trigger
The beneficial effects of the utility model are:
The utility model is a kind of motor overvoltage overspeed alarm for industrial automation equipment, compared with prior art, the utility model can Real-Time Monitoring industrial automation equipment the running speed of motor, when hypervelocity, automatically sound the alarm, remind staff to adjust in time, and the utility model circuit structure is simple, with low cost, volume is small and exquisite, be convenient to install, and is conducive to promote.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1: the utility model comprises direct supply E, speed probe Z, the first resistance R 1 is to the 7th resistance R 7, the first diode VD1, the second diode VD2, LED, the first triode VT1, the second triode VT2, the first potentiometer RP1, the second potentiometer RP2, the first capacitor C 1 is to the 4th capacitor C 4, the first steady state trigger IC1 and the second steady state trigger IC2, the anodal while of direct supply E and the first end of the 7th resistance R 7, the voltage end of the second steady state trigger IC2, the reset terminal of the second steady state trigger IC2, the first end of the second potentiometer RP2, the voltage end of the first steady state trigger IC1, the reset terminal of the first steady state trigger IC1 is connected with the first end of the first potentiometer RP1, the negative pole while of direct supply E and the first end of the 4th capacitor C 4, the first end of the 3rd capacitor C 3, the first end of the 6th resistance R 6, the first end of the second capacitor C 2, the first end of the first capacitor C 1 is connected with the first end of the 3rd resistance R 3, the first end of the first resistance R 1 is connected with the first end of the second resistance R 2 with the signal output part of speed probe Z simultaneously, the second end of the first resistance R 1 is connected with the positive pole of the first diode VD1, the second end of the second resistance R 2 is connected with the base stage of the first triode VT1, the second end of the 3rd resistance R 3 is connected with the collector of the first triode VT1, the first end of the 4th resistance R 4 is connected with the first end of the 5th resistance R 5 with the output terminal of the first steady state trigger IC1 simultaneously, the second end of the 4th resistance R 4 is connected with the positive pole of the second diode VD2, the second end of the 5th resistance R 5 is connected with the base stage of the second triode VT2, the second end of the 6th resistance R 6 is connected with the collector of the second triode VT2, the second end of the 7th resistance R 7 is connected with the positive pole of LED, the negative pole of the first diode VD1 is connected with the trigger end of the first steady state trigger IC1, the negative pole of the second diode VD2 is connected with the trigger end of the second steady state trigger IC2, the negative pole of LED is connected with the output terminal of the second steady state trigger IC2, the emitter of the first triode VT1 is connected with the threshold value end of the first steady state trigger IC1 with the sliding end of described potentiometer simultaneously, the emitter of the second triode VT2 is connected with the threshold value end of the second steady state trigger IC2 with the sliding end of the second potentiometer RP2 simultaneously, the second end of the first potentiometer RP1 is connected with the voltage controling end processed of the first steady state trigger IC1 with the first end of the first capacitor C 1 simultaneously, the second end of the second potentiometer RP2 is connected with the voltage controling end processed of the second steady state trigger IC2 with the first end of the 3rd capacitor C 3 simultaneously, the second end of the second capacitor C 2 is connected with the earth terminal of the first steady state trigger IC1, the second end of the 4th capacitor C 4 is connected with the earth terminal of the second steady state trigger IC2.
As shown in Figure 1: the negative pulse that the sensing head of speed probe Z brings is added to the base stage of trigger end and the first triode VT1 of the first steady state trigger IC1, make the first triode VT1 conducting, and by the first steady state trigger IC1 set, now the output terminal of the first steady state trigger IC1 is high level, during negative pulse, the first capacitor C1 does not charge, and after negative pulse, the first capacitor C 1 is just charged.When rated speed, because of the recurrent interval long, before next pulse arrives, the charging voltage in the first capacitor C 1 reaches 2/3E, thus the first steady state trigger IC1 circuit automatic turning, the output terminal output low level of the first steady state trigger IC1.When rotating speed surpasses normal value, input pulse interval shortens, and the voltage in corresponding the first capacitor C 1 not yet reaches 2/3E, and the first capacitor C 1 is discharged by the first triode VT1, and the first steady state trigger IC1 circuit is set, and continues output high level.The work of the second steady state trigger IC2 and the first steady state trigger IC1 are roughly the same, just it is controlled by the output of the first steady state trigger IC1, and the charging rate of the second steady state trigger IC2 is greater than the cycle of the first steady state trigger IC1 input pulse when rated speed, therefore when rated speed, charging voltage in the 3rd capacitor C 3 is lower than 2/3E, and the second steady state trigger IC2 exports high level.When hypervelocity, because the output terminal of the first steady state trigger IC1 is continuously high level, therefore the voltage in the 3rd capacitor C 3 is charged to 2/3E, the corresponding second steady state trigger IC2 that makes overturns, resets, and output low level, now LED is luminous, informs and exceeds the speed limit, and reports to the police.
Claims (1)
1. a large rotating machinery rotates the overspeed alarm of supervising device, it is characterized in that: comprise the first diode, the second diode, direct supply, speed probe, the first resistance to the seven resistance, light emitting diode, the first electric capacity to the four electric capacity, the first triode, the second triode, the first steady state trigger, the second steady state trigger, the first potentiometer and the second potentiometer, the anodal while of described direct supply and the first end of described the 7th resistance, the voltage end of described the second steady state trigger, the reset terminal of described the second steady state trigger, the first end of described the second potentiometer, the voltage end of described the first steady state trigger, the reset terminal of described the first steady state trigger is connected with the first end of described the first potentiometer, the negative pole while of described direct supply and the first end of described the 4th electric capacity, the first end of described the 3rd electric capacity, the first end of described the 6th resistance, the first end of described the second electric capacity, the first end of described the first electric capacity is connected with the first end of described the 3rd resistance, the first end of described the first resistance is connected with the first end of described the second resistance with the signal output part of described speed probe simultaneously, the second end of described the first resistance is connected with the positive pole of described the first diode, the second end of described the second resistance is connected with the base stage of described the first triode, the second end of described the 3rd resistance is connected with the collector of described the first triode, the first end of described the 4th resistance is connected with the first end of described the 5th resistance with the output terminal of described the first steady state trigger simultaneously, the second end of described the 4th resistance is connected with the positive pole of described the second diode, the second end of described the 5th resistance is connected with the base stage of described the second triode, the second end of described the 6th resistance is connected with the collector of described the second triode, the second end of described the 7th resistance is connected with the positive pole of described light emitting diode, the negative pole of described the first diode is connected with the trigger end of described the first steady state trigger, the negative pole of described the second diode is connected with the trigger end of described the second steady state trigger, the negative pole of described light emitting diode is connected with the output terminal of described the second steady state trigger, the emitter of described the first triode is connected with the sliding end of described potentiometer and the threshold value end of described the first steady state trigger simultaneously, the emitter of described the second triode is connected with the sliding end of described the second potentiometer and the threshold value end of described the second steady state trigger simultaneously, the second end of described the first potentiometer is connected with the first end of described the first electric capacity and the voltage controling end processed of described the first steady state trigger simultaneously, the second end of described the second potentiometer is connected with the first end of described the 3rd electric capacity and the voltage controling end processed of described the second steady state trigger simultaneously, the second end of described the second electric capacity is connected with the earth terminal of described the first steady state trigger, the second end of described the 4th electric capacity is connected with the earth terminal of described the second steady state trigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619972.XU CN203519629U (en) | 2013-10-09 | 2013-10-09 | Motor overvoltage overspeed alarm for industrial automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320619972.XU CN203519629U (en) | 2013-10-09 | 2013-10-09 | Motor overvoltage overspeed alarm for industrial automation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203519629U true CN203519629U (en) | 2014-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320619972.XU Expired - Fee Related CN203519629U (en) | 2013-10-09 | 2013-10-09 | Motor overvoltage overspeed alarm for industrial automation equipment |
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| Country | Link |
|---|---|
| CN (1) | CN203519629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026383A (en) * | 2018-07-09 | 2018-12-18 | 大同北方天力增压技术有限公司 | A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning |
-
2013
- 2013-10-09 CN CN201320619972.XU patent/CN203519629U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026383A (en) * | 2018-07-09 | 2018-12-18 | 大同北方天力增压技术有限公司 | A kind of supercharger speed monitoring record and fault pre-alarming device and method for early warning |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20141009 |
|
| EXPY | Termination of patent right or utility model |