CN203489975U - A bearing temperature alarm monitoring apparatus for large rotary machines - Google Patents
A bearing temperature alarm monitoring apparatus for large rotary machines Download PDFInfo
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- CN203489975U CN203489975U CN201320573896.3U CN201320573896U CN203489975U CN 203489975 U CN203489975 U CN 203489975U CN 201320573896 U CN201320573896 U CN 201320573896U CN 203489975 U CN203489975 U CN 203489975U
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Abstract
The utility model discloses a bearing temperature alarm monitoring apparatus for large rotary machines. The bearing temperature alarm monitoring apparatus comprises an AC power supply, a fuse wire, an alarm light, a transformer, a rectifier, a first voltage stabilizer, a second voltage stabilizer, an audio integrated chip, a temperature sensor, a first diode, a second diode, a light emitting diode, a first triode, a second triode, a third triode, an operational amplifier, a loudspeaker, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, and a seventh resistor. The bearing temperature alarm monitoring apparatus for large rotary machines has characteristics of simple circuit structure, few elements, a small size, low manufacture cost, and easy production, and is simultaneously provided with sound monitoring alarm and flash alarm so as to have a powerful caution effect and easily draw worker's attentions.
Description
Technical field
The utility model relates to a kind of large rotating machinery supervising device, relates in particular to a kind of large rotating machinery bearing temperature alarm monitor.
Background technology
Large rotating machinery bearing temperature alarm monitor of the prior art, circuit structure is complicated, employing element is many, bulky, cost of manufacture is high and be not easy to make, especially when large rotating machinery velocity of rotation is too fast, the temperature of bearing can raise, bearing temperature surpasses permissible value, easily equipment is damaged.The monitoring alarm of large rotating machinery bearing temperature alarm monitor of the prior art to bearing overtemperature, or only there is audible alarm, or only there is flashing light alarm, the warning function of such monitoring alarm device is not strong.
Utility model content
The purpose of this utility model provides a kind of large rotating machinery bearing temperature alarm monitor 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, fuse, alarm lamp, transformer, rectifier, the first voltage stabilizer, the second voltage stabilizer, audio frequency integrated chip, temperature sensor, the first diode, the second diode, light emitting diode, the first triode, the second triode, the 3rd triode, operational amplifier, loudspeaker, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, the live wire of described AC power is connected with the first end of described fuse, the zero line of described AC power is connected with the first end of described transformer the first winding with the first end of described relay the first normally opened contact simultaneously, the second end of described fuse is connected with the second end of described transformer the first winding and the first end of described alarm lamp simultaneously, the second end of described alarm lamp is connected with the second end of described relay the first normally opened contact, the first end of described transformer the second winding is connected with the power positive end of described rectifier, the second end of described transformer the second winding is extremely connected with the power-of described rectifier, the anodal of described rectifier is connected with the first end of described the first electric capacity with the voltage input end of described the first voltage stabilizer simultaneously, the negative pole while of described rectifier and the second end of described the first electric capacity, the voltage controling end of described the first voltage stabilizer, the first end of described the second electric capacity, the first end of described loudspeaker, the emitter of described the first triode, the voltage controling end of described the second voltage stabilizer, the first end of described the 4th resistance is connected with the first end of described the 6th resistance, the voltage output end while of described the first voltage stabilizer and the second end of described the second electric capacity, the first end of described relay the second contact, the first end of described relay, the negative pole of described the first diode is connected with the voltage input end of described the second voltage stabilizer, the voltage output end while of described the second voltage stabilizer and the positive pole of described light emitting diode, the collector of described the 3rd triode is connected with the first end of described the 7th resistance, the first end of described the first resistance is connected with the in-phase end of described audio frequency integrated chip, the second end of described the first resistance is connected with the backward end of described audio frequency integrated chip, the first end of described the second resistance is connected with the power positive end of described audio frequency integrated chip, the second end while of described the second resistance and the second end of described relay the first normally opened contact, described the 5th first end of electric capacity and the power positive end of described operational amplifier are connected, the first end of described the 3rd resistance is connected with the base stage of described the first triode, the second end of described the 3rd resistance is connected with the negative pole of described the second diode, the second end of described the 4th resistance is connected with the emitter of described the second triode, the first end of described the 5th resistance is connected with the base stage of described the second triode, the second end of described the 5th resistance is connected with the positive pole of described the second diode with the emitter of described the 3rd triode simultaneously, the second end of described the 6th resistance is connected with described the 3rd base stage of triode and the first end of described temperature sensor simultaneously, the second end of described the 7th resistance is connected with the second end of described temperature sensor, the first end of described the 3rd electric capacity is connected with the second end of described loudspeaker, the second end of described the 3rd electric capacity is connected with the voltage output end of described operational amplifier, the first end of described the 4th electric capacity is connected with the inverting input of described operational amplifier simultaneously, the second end of described the 4th electric capacity is extremely connected with the power-of described operational amplifier, the second end of described the 5th electric capacity is connected with the power-voltage end of described audio frequency integrated chip, the anodal of described the first diode is connected with the collector of described the first triode with the second end of described relay simultaneously, the negative pole of described light emitting diode is connected with the collector of described the second triode.The beneficial effects of the utility model are:
The utility model is a kind of large rotating machinery bearing temperature alarm monitor, circuit structure is simple, adopt that element is few, volume school, and cost of manufacture is low and easily make, and possesses sound monitoring especially simultaneously and reports to the police and flashing light alarm, warning function is very strong, easily causes staff's attention.
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 AC power AC, fuse FU, alarm lamp XD, transformer T, rectifier DR, the first voltage stabilizer IC1, the second voltage stabilizer IC2, the integrated chip IC 3 of audio frequency, temperature sensor S, the first diode VD1, the second diode VD2, LED, the first triode VT1, the second triode VT2, the 3rd triode VT3, operational amplifier A, loudspeaker BL, the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6 and the 7th resistance R 7, the live wire of AC power AC is connected with the first end of fuse FU, the zero line of AC power AC is connected with the first end of transformer T the first winding with the first end of described relay the first normally opened contact simultaneously, the second end of fuse FU is connected with the first end of alarm lamp XD with the second end of transformer T the first winding simultaneously, the second end of alarm lamp XD is connected with the second end of described relay the first normally opened contact, the first end of transformer T the second winding is connected with the power positive end of rectifier DR, the second end of transformer T the second winding is extremely connected with the power-of rectifier DR, the anodal of rectifier DR is connected with the first end of the first capacitor C 1 with the voltage input end of the first voltage stabilizer IC1 simultaneously, the negative pole while of rectifier DR and the second end of the first capacitor C 1, the voltage controling end of the first voltage stabilizer IC1, the first end of the second capacitor C 2, the first end of loudspeaker BL, the emitter of the first triode VT1, the voltage controling end of the second voltage stabilizer IC2, the first end of the 4th resistance R 4 is connected with the first end of the 6th resistance R 6, the voltage output end while of the first voltage stabilizer IC1 and the second end of the second capacitor C 2, the first end of described relay the second contact, the first end of described relay, the negative pole of the first diode VD1 is connected with the voltage input end of the second voltage stabilizer IC2, the voltage output end while of the second voltage stabilizer IC2 and the positive pole of LED, the collector of the 3rd triode VT3 is connected with the first end of the 7th resistance R 7, the first end of the first resistance R 1 is connected with the in-phase end of the integrated chip IC 3 of audio frequency, the second end of the first resistance R 1 is connected with the backward end of the integrated chip IC 3 of audio frequency, the first end of the second resistance R 2 is connected with the power positive end of the integrated chip IC 3 of audio frequency, the second end while of the second resistance R 2 and the second end of described relay the first normally opened contact, the 5th first end of capacitor C 5 and the power positive end of operational amplifier A are connected, the first end of the 3rd resistance R 3 is connected with the base stage of the first triode VT1, the second end of the 3rd resistance R 3 is connected with the negative pole of the second diode VD2, the second end of the 4th resistance R 4 is connected with the emitter of the second triode VT2, the first end of the 5th resistance R 5 is connected with the base stage of the second triode VT2, the second end of the 5th resistance R 5 is connected with the positive pole of the second diode VD2 with the emitter of the 3rd triode VT3 simultaneously, the second end of the 6th resistance R 6 is connected with the first end of temperature sensor S with the base stage of the 3rd triode VT3 simultaneously, the second end of the 7th resistance R 7 is connected with the second end of temperature sensor S, the first end of the 3rd capacitor C 3 is connected with the second end of loudspeaker BL, the second end of the 3rd capacitor C 3 is connected with the voltage output end of operational amplifier A, the first end of the 4th capacitor C 4 is connected with the inverting input of operational amplifier A simultaneously, the second end of the 4th capacitor C 4 is extremely connected with the power-of operational amplifier A, the second end of the 5th capacitor C 5 is connected with the power-voltage end of described audio frequency integrated chip, the anodal of the first diode VD1 is connected with the collector of the first triode VT1 with the second end of described relay simultaneously, the negative pole of LED is connected with the collector of the second triode VT2.
As shown in Figure 1: the temperature contact of set temperature sensor S, when the temperature of monitoring surpasses this value, the junction closure of temperature sensor, the 3rd triode VT3 conducting, its emitter output two-way a: road drives the second triode VT2, makes LED luminous, to indicate overtemperature; Another road drives the first triode VT1 conducting, makes relay J adhesive, and its normally opened contact J1 is closed, makes the integrated chip IC 3 of audio frequency obtain electric work, and the output signal of the integrated chip IC 3 of audio frequency promotes loudspeaker BL and sends loud and clear chimes of doom after operational amplifier A is amplified.Another normally opened contact J2 of relay J is closed, red alarm lamp XD is lighted and send eye-catching warning ruddiness.
Claims (1)
1. a large rotating machinery bearing temperature alarm monitor, it is characterized in that: comprise AC power, fuse, alarm lamp, transformer, rectifier, the first voltage stabilizer, the second voltage stabilizer, audio frequency integrated chip, temperature sensor, the first diode, the second diode, light emitting diode, the first triode, the second triode, the 3rd triode, operational amplifier, loudspeaker, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity, the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and the 7th resistance, the live wire of described AC power is connected with the first end of described fuse, the zero line of described AC power is connected with the first end of described transformer the first winding with the first end of described relay the first normally opened contact simultaneously, the second end of described fuse is connected with the second end of described transformer the first winding and the first end of described alarm lamp simultaneously, the second end of described alarm lamp is connected with the second end of described relay the first normally opened contact, the first end of described transformer the second winding is connected with the power positive end of described rectifier, the second end of described transformer the second winding is extremely connected with the power-of described rectifier, the anodal of described rectifier is connected with the first end of described the first electric capacity with the voltage input end of described the first voltage stabilizer simultaneously, the negative pole while of described rectifier and the second end of described the first electric capacity, the voltage controling end of described the first voltage stabilizer, the first end of described the second electric capacity, the first end of described loudspeaker, the emitter of described the first triode, the voltage controling end of described the second voltage stabilizer, the first end of described the 4th resistance is connected with the first end of described the 6th resistance, the voltage output end while of described the first voltage stabilizer and the second end of described the second electric capacity, the first end of described relay the second contact, the first end of described relay, the negative pole of described the first diode is connected with the voltage input end of described the second voltage stabilizer, the voltage output end while of described the second voltage stabilizer and the positive pole of described light emitting diode, the collector of described the 3rd triode is connected with the first end of described the 7th resistance, the first end of described the first resistance is connected with the in-phase end of described audio frequency integrated chip, the second end of described the first resistance is connected with the backward end of described audio frequency integrated chip, the first end of described the second resistance is connected with the power positive end of described audio frequency integrated chip, the second end while of described the second resistance and the second end of described relay the first normally opened contact, described the 5th first end of electric capacity and the power positive end of described operational amplifier are connected, the first end of described the 3rd resistance is connected with the base stage of described the first triode, the second end of described the 3rd resistance is connected with the negative pole of described the second diode, the second end of described the 4th resistance is connected with the emitter of described the second triode, the first end of described the 5th resistance is connected with the base stage of described the second triode, the second end of described the 5th resistance is connected with the positive pole of described the second diode with the emitter of described the 3rd triode simultaneously, the second end of described the 6th resistance is connected with described the 3rd base stage of triode and the first end of described temperature sensor simultaneously, the second end of described the 7th resistance is connected with the second end of described temperature sensor, the first end of described the 3rd electric capacity is connected with the second end of described loudspeaker, the second end of described the 3rd electric capacity is connected with the voltage output end of described operational amplifier, the first end of described the 4th electric capacity is connected with the inverting input of described operational amplifier simultaneously, the second end of described the 4th electric capacity is extremely connected with the power-of described operational amplifier, the second end of described the 5th electric capacity is connected with the power-voltage end of described audio frequency integrated chip, the anodal of described the first diode is connected with the collector of described the first triode with the second end of described relay simultaneously, the negative pole of described light emitting diode is connected with the collector of described the second triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573896.3U CN203489975U (en) | 2013-09-16 | 2013-09-16 | A bearing temperature alarm monitoring apparatus for large rotary machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320573896.3U CN203489975U (en) | 2013-09-16 | 2013-09-16 | A bearing temperature alarm monitoring apparatus for large rotary machines |
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| Publication Number | Publication Date |
|---|---|
| CN203489975U true CN203489975U (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320573896.3U Expired - Fee Related CN203489975U (en) | 2013-09-16 | 2013-09-16 | A bearing temperature alarm monitoring apparatus for large rotary machines |
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| CN (1) | CN203489975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004433A (en) * | 2015-05-26 | 2015-10-28 | 周玉林 | Agricultural greenhouse temperature drop alarm apparatus |
-
2013
- 2013-09-16 CN CN201320573896.3U patent/CN203489975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105004433A (en) * | 2015-05-26 | 2015-10-28 | 周玉林 | Agricultural greenhouse temperature drop alarm apparatus |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140319 Termination date: 20140916 |
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| EXPY | Termination of patent right or utility model |