CN203928426U - A kind of wind-heat oven dry safety control of heating - Google Patents
A kind of wind-heat oven dry safety control of heating Download PDFInfo
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- CN203928426U CN203928426U CN201420329493.9U CN201420329493U CN203928426U CN 203928426 U CN203928426 U CN 203928426U CN 201420329493 U CN201420329493 U CN 201420329493U CN 203928426 U CN203928426 U CN 203928426U
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Abstract
The utility model discloses a kind of wind-heat oven dry safety control of heating, it comprises a main control board, an A.C. contactor, an auxiliary contactor and an alarm; Wherein, A.C. contactor, auxiliary contactor and alarm, be all electrically connected to main control board, and auxiliary contactor and alarm electrically connect, and auxiliary contactor is located on A.C. contactor, and with A.C. contactor clamping; On main control board, be integrated with interconnective power supply input circuit, mu balanced circuit, sensor circuit, operational amplification circuit, indicator light circuit and relay circuit.The beneficial effects of the utility model are: when wind-heat device breaks down, and by this novel governor circuit, and wind-heat sensor, effectively and timely fault is judged, to A.C. contactor, send and make out-of-work signal.Can effectively prevent from, because of after wind-heat device breaks down, making paint, diluent etc., explosive, inflammable gas enters in the system of heating, and causes spontaneous combustion and self-destruction, reduces casualties and property loss.
Description
Technical field
The utility model relates to production safety control field, is specifically related to a kind of wind-heat oven dry safety control of heating.
Background technology
At present, be engaged in the oven dry of spraying paint, the equipment that oil spout is dried, heated, injection moulding, blowing etc. are produced, need to adopt the hot warming-up device of electric wind, and the fire that occurs repeatedly causes the industrial accident of fortune loss and casualties, grind its reason, major part is that explosive, inflammable gas enters in the system of heating because heat, after the wind-heat device in heating, paint spraying system damages, make paint, diluent etc., because high temperature causes spontaneous combustion and self-destruction, there are casualties and the heavy losses of property.
So be badly in need of developing can effective monitoring wind-heat device duty, when wind-heat device breaks down, can allow in time the out-of-work safety control of heating system.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, and a kind of wind-heat rational in infrastructure oven dry safety control of heating is provided, and can effectively prevent the security incident causing after damaging because of wind-heat device.
The technical scheme that the utility model adopted is for achieving the above object:
The wind-heat oven dry safety control of heating, it comprises a main control board, an A.C. contactor, an auxiliary contactor and an alarm; Wherein, described A.C. contactor, auxiliary contactor and alarm, be all electrically connected to described main control board, and described auxiliary contactor and alarm electrically connect, and described auxiliary contactor is located on A.C. contactor, and with A.C. contactor clamping; On described main control board, be integrated with interconnective power supply input circuit, mu balanced circuit, sensor circuit, operational amplification circuit, indicator light circuit and relay circuit.
Described A.C. contactor is connected with wind-heat heating system, controls the work of wind-heat heating system.
Described mu balanced circuit comprises adjustable three-terminal regulator block IC1, resistance R 1, resistance R 2 and capacitor C 3, the 1st pin of wherein said adjustable three-terminal regulator block IC1 connects power supply input circuit, the 2nd pin and resistance R 1 one end, capacitor C 3 one end and resistance R 2 one end are connected, and the 3rd pin is connected with the other end of resistance R 2.
Described sensor circuit comprises plug-in unit CN2, resistance R 9, resistance R 10, resistance R 11 and resistance R 12, wherein, the 3rd pin of described plug-in unit CN2 the 1st pin and the adjustable three-terminal regulator block IC1 of described mu balanced circuit, and one end of resistance R 9 is connected, plug-in unit CN2 the 2nd pin and resistance R 12 one end, and resistance R 10 one end are connected, described resistance R 10 other ends are connected with resistance R 11 one end, on described plug-in unit CN2, are provided with wind-heat sensor.
Described operational amplification circuit comprises amplifier chip IC 2, capacitor C 4, capacitor C 5, slide rheostat RP1, capacitor C 7 and resistance R 8, wherein, the 4th pin of described amplifier chip IC 2 and capacitor C 4 one end, capacitor C 5 one end, the other end of the resistance R 11 of capacitor C 7 one end and sensor circuit is connected, the 5th pin of described amplifier chip IC 2 and capacitor C 7 other ends, resistance R 8 one end, and the other end of the resistance R 12 of sensor circuit is connected, the 6th pin of amplifier chip IC 2 is connected with the 2nd pin of slide rheostat RP1, the other end of the 7th pin contact resistance R8 of amplifier chip IC 2, the 8th pin of amplifier chip IC 2 and capacitor C 4 other ends, capacitor C 5 other ends, and the 3rd pin of the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the other end of the 1st pin connecting sensor circuitous resistance R9 of described slide rheostat RP1 is connected.
Described indicator light circuit comprises resistance R 3, LED 1, LED 2, resistance R 7 and resistance R 6, wherein, the 1st pin that described resistance R 3 one end connect the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the positive pole of the other end connecting luminous diode LED1 of resistance R 3, the negative pole of the negative pole of LED 1 and LED 2, and the 3rd pin of the moving rheostat RP1 of operational amplification circuit is connected, one end of the anodal contact resistance R7 of LED 2, one end of the other end of resistance R 7 and resistance R 6, and the 7th pin of the amplifier chip IC 2 of described operational amplification circuit is connected.
Described relay circuit comprises relay R LY1, resistance R 5, capacitor C 6, diode D6 and triode Q1, wherein, described relay R LY1 the 1st pin contact resistance R5 one end, and output electrical signals, relay R LY1 the 2nd pin and capacitor C 6 one end, and power supply input circuit is connected, relay R LY1 the 4th pin and diode D6 are anodal, triode Q1 colelctor electrode is connected, described resistance R 5 other ends, relay R LY1 the 3rd pin, capacitor C 6 other ends and the equal ground connection of diode D6 negative pole, the base stage of described triode Q1 connects resistance R 6 one end of indicator light circuit, the 4th pin of the amplifier chip IC 2 of the emitter stage concatenation operation amplifying circuit of triode Q1.
In described power supply input circuit, be provided with plug-in unit CN1, the 4th pin and the 3rd pin of described plug-in unit CN1 connect respectively civil power live wire and zero line, and the 1st pin and the 2nd pin of plug-in unit CN1 are electrical signal.
Described A.C. contactor comprises A1 end and A2 end, wherein, A1 end connects the 2nd pin of plug-in unit CN1, the A2 end of A.C. contactor connects the 1st pin of plug-in unit CN1, and described auxiliary contactor comprises 61NC end, 62NC end, wherein, 61NC end connects the 4th pin of plug-in unit CN1, and the negative pole of alarm connects the 2nd pin of plug-in unit CN1, and the positive pole of alarm connects the 62NC end of auxiliary contactor.
After energising, led is bright, when wind-heat inductor detects > 250fp, controls heating contactor, automatically disconnects working power.Auxiliary contact 61nc and 62nc synchronously export 220v voltage simultaneously, and flash-mode siren sounds suddenly, and wind-heat drying system equipment, quits work, and indication operating personnel overhaul at once.
The beneficial effects of the utility model are: by adopting A.C. contactor as gauge tap, and wind-heat heating system is all connected with this A.C. contactor, when wind-heat device breaks down, can control wind-heat heating system integral body quits work, make fast reaction, by this novel governor circuit, by wind-heat sensor, effectively and timely fault is judged, and send and make out-of-work signal to A.C. contactor, the supply of cutting off the electricity supply, can effectively prevent because of after wind-heat device breaks down, make paint, diluents etc. are explosive, inflammable gas, enter in the system of heating, cause spontaneous combustion and self-destruction, reduce casualties and property loss.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure block diagram;
Fig. 2 is the utility model governor circuit figure.
The specific embodiment
Embodiment: referring to Fig. 1 and Fig. 2, the wind-heat that the present embodiment the provides oven dry safety control of heating, it comprises a main control board, an A.C. contactor, an auxiliary contactor and an alarm; Wherein, described A.C. contactor, auxiliary contactor and alarm, be all electrically connected to described main control board, and described auxiliary contactor and alarm electrically connect, and described auxiliary contactor is located on A.C. contactor, and with A.C. contactor clamping; On described main control board, be integrated with interconnective power supply input circuit, mu balanced circuit, sensor circuit, operation amplifier electricity, indicator light circuit and relay circuit.
Described A.C. contactor is connected with wind-heat heating system, controls the work of wind-heat heating system.
Described mu balanced circuit comprises adjustable three-terminal regulator block IC1, resistance R 1, resistance R 2 and capacitor C 3, the 1st pin of wherein said adjustable three-terminal regulator block IC1 connects power supply input circuit, the 2nd pin and resistance R 1 one end, capacitor C 3 one end and resistance R 2 one end are connected, and the 3rd pin is connected with the other end of resistance R 2.
Described sensor circuit comprises plug-in unit CN2, resistance R 9, resistance R 10, resistance R 11 and resistance R 12, wherein, the 3rd pin of described plug-in unit CN2 the 1st pin and the adjustable three-terminal regulator block IC1 of described mu balanced circuit, and one end of resistance R 9 is connected, plug-in unit CN2 the 2nd pin and resistance R 12 one end, and resistance R 10 one end are connected, described resistance R 10 other ends are connected with resistance R 11 one end, on described plug-in unit CN2, are provided with wind-heat sensor.
Described operational amplification circuit comprises amplifier chip IC 2, capacitor C 4, capacitor C 5, slide rheostat RP1, capacitor C 7 and resistance R 8, wherein, the 4th pin of described amplifier chip IC 2 and capacitor C 4 one end, capacitor C 5 one end, the other end of the resistance R 11 of capacitor C 7 one end and sensor circuit is connected, the 5th pin of described amplifier chip IC 2 and capacitor C 7 other ends, resistance R 8 one end, and the other end of the resistance R 12 of sensor circuit is connected, the 6th pin of amplifier chip IC 2 is connected with the 2nd pin of slide rheostat RP1, the other end of the 7th pin contact resistance R8 of amplifier chip IC 2, the 8th pin of amplifier chip IC 2 and capacitor C 4 other ends, capacitor C 5 other ends, and the 3rd pin of the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the other end of the 1st pin connecting sensor circuitous resistance R9 of described slide rheostat RP1 is connected.
Described indicator light circuit comprises resistance R 3, LED 1, LED 2, resistance R 7 and resistance R 6, wherein, the 1st pin that described resistance R 3 one end connect the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the positive pole of the other end connecting luminous diode LED1 of resistance R 3, the negative pole of the negative pole of LED 1 and LED 2, and the 3rd pin of the moving rheostat RP1 of operational amplification circuit is connected, one end of the anodal contact resistance R7 of LED 2, one end of the other end of resistance R 7 and resistance R 6, and the 7th pin of the amplifier chip IC 2 of described operational amplification circuit is connected.
Described relay circuit comprises relay R LY1, resistance R 5, capacitor C 6, diode D6 and triode Q1, wherein, described relay R LY1 the 1st pin contact resistance R5 one end, and output electrical signals, relay R LY1 the 2nd pin and capacitor C 6 one end, and power supply input circuit is connected, relay R LY1 the 4th pin and diode D6 are anodal, triode Q1 colelctor electrode is connected, described resistance R 5 other ends, relay R LY1 the 3rd pin, capacitor C 6 other ends and the equal ground connection of diode D6 negative pole, the base stage of described triode Q1 connects resistance R 6 one end of indicator light circuit, the 4th pin of the amplifier chip IC 2 of the emitter stage concatenation operation amplifying circuit of triode Q1.
In described power supply input circuit, be provided with plug-in unit CN1, the 4th pin and the 3rd pin of described plug-in unit CN1 connect respectively civil power live wire and zero line, and the 1st pin and the 2nd pin of plug-in unit CN1 are electrical signal.
Described A.C. contactor comprises A1 end and A2 end, wherein, A1 end connects the 2nd pin of plug-in unit CN1, the A2 end of A.C. contactor connects the 1st pin of plug-in unit CN1, and described auxiliary contactor comprises 61NC end, 62NC end, wherein, 61NC end connects the 4th pin of plug-in unit CN1, and the negative pole of alarm connects the 2nd pin of plug-in unit CN1, and the positive pole of alarm connects the 62NC end of auxiliary contactor.
After energising, led is bright, when wind-heat inductor detects > 250fp, controls heating contactor, automatically disconnects working power.Simultaneously auxiliary contact 61nc and 62nc synchronously export 220v voltage, and flash-mode siren sounds suddenly, and the wind-heat drying system equipment of heating, quits work, and indication operating personnel overhaul at once.
The utility model is not limited to above-mentioned embodiment, and all employings and the utility model similarity method and structure realize all modes of the utility model object, all within protection domain of the present utility model.
Claims (9)
1. the wind-heat oven dry safety control of heating, is characterized in that, it comprises a main control board, an A.C. contactor, an auxiliary contactor and an alarm; Wherein, described A.C. contactor, auxiliary contactor and alarm, be all electrically connected to described main control board, and described auxiliary contactor and alarm electrically connect, and described auxiliary contactor is located on A.C. contactor, and with A.C. contactor clamping; On described main control board, be integrated with interconnective power supply input circuit, mu balanced circuit, sensor circuit, operational amplification circuit, indicator light circuit and relay circuit.
2. the wind-heat according to claim 1 oven dry safety control of heating, is characterized in that, described A.C. contactor is connected with wind-heat heating system, controls the work of wind-heat heating system.
3. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, described mu balanced circuit comprises adjustable three-terminal regulator block IC1, resistance R 1, resistance R 2 and capacitor C 3, the 1st pin of wherein said adjustable three-terminal regulator block IC1 connects power supply input circuit, the 2nd pin and resistance R 1 one end, capacitor C 3 one end and resistance R 2 one end are connected, and the 3rd pin is connected with the other end of resistance R 2.
4. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, described sensor circuit comprises plug-in unit CN2, resistance R 9, resistance R 10, resistance R 11 and resistance R 12, wherein, the 3rd pin of described plug-in unit CN2 the 1st pin and the adjustable three-terminal regulator block IC1 of described mu balanced circuit, and one end of resistance R 9 is connected, plug-in unit CN2 the 2nd pin and resistance R 12 one end, and resistance R 10 one end are connected, described resistance R 10 other ends are connected with resistance R 11 one end, on described plug-in unit CN2, are provided with wind-heat sensor.
5. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, described operational amplification circuit comprises amplifier chip IC 2, capacitor C 4, capacitor C 5, slide rheostat RP1, capacitor C 7 and resistance R 8, wherein, the 4th pin of described amplifier chip IC 2 and capacitor C 4 one end, capacitor C 5 one end, the other end of the resistance R 11 of capacitor C 7 one end and sensor circuit is connected, the 5th pin of described amplifier chip IC 2 and capacitor C 7 other ends, resistance R 8 one end, and the other end of the resistance R 12 of sensor circuit is connected, the 6th pin of amplifier chip IC 2 is connected with the 2nd pin of slide rheostat RP1, the other end of the 7th pin contact resistance R8 of amplifier chip IC 2, the 8th pin of amplifier chip IC 2 and capacitor C 4 other ends, capacitor C 5 other ends, and the 3rd pin of the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the other end of the 1st pin connecting sensor circuitous resistance R9 of described slide rheostat RP1 is connected.
6. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, described indicator light circuit comprises resistance R 3, LED 1, LED 2, resistance R 7 and resistance R 6, wherein, the 1st pin that described resistance R 3 one end connect the adjustable three-terminal regulator block IC1 of mu balanced circuit is connected, the positive pole of the other end connecting luminous diode LED1 of resistance R 3, the negative pole of the negative pole of LED 1 and LED 2, and the 3rd pin of the moving rheostat RP1 of operational amplification circuit is connected, one end of the anodal contact resistance R7 of LED 2, one end of the other end of resistance R 7 and resistance R 6, and the 7th pin of the amplifier chip IC 2 of described operational amplification circuit is connected.
7. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, described relay circuit comprises relay R LY1, resistance R 5, capacitor C 6, diode D6 and triode Q1, wherein, described relay R LY1 the 1st pin contact resistance R5 one end, and output electrical signals, relay R LY1 the 2nd pin and capacitor C 6 one end, and power supply input circuit is connected, relay R LY1 the 4th pin and diode D6 are anodal, triode Q1 colelctor electrode is connected, described resistance R 5 other ends, relay R LY1 the 3rd pin, capacitor C 6 other ends and the equal ground connection of diode D6 negative pole, the base stage of described triode Q1 connects resistance R 6 one end of indicator light circuit, the 4th pin of the amplifier chip IC 2 of the emitter stage concatenation operation amplifying circuit of triode Q1.
8. the wind-heat according to claim 1 oven dry safety control of heating, it is characterized in that, in described power supply input circuit, be provided with plug-in unit CN1, the 4th pin and the 3rd pin of described plug-in unit CN1 connect respectively civil power live wire and zero line, and the 1st pin and the 2nd pin of plug-in unit CN1 are electrical signal.
9. the wind-heat according to claim 8 oven dry safety control of heating, it is characterized in that, described A.C. contactor comprises A1 end and A2 end, wherein, A1 end connects the 2nd pin of plug-in unit CN1, the A2 end of A.C. contactor connects the 1st pin of plug-in unit CN1, and described auxiliary contactor comprises 61NC end, 62NC end, wherein, 61NC end connects the 4th pin of plug-in unit CN1, and the negative pole of alarm connects the 2nd pin of plug-in unit CN1, and the positive pole of alarm connects the 62NC end of auxiliary contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329493.9U CN203928426U (en) | 2014-06-19 | 2014-06-19 | A kind of wind-heat oven dry safety control of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420329493.9U CN203928426U (en) | 2014-06-19 | 2014-06-19 | A kind of wind-heat oven dry safety control of heating |
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| Publication Number | Publication Date |
|---|---|
| CN203928426U true CN203928426U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420329493.9U Expired - Fee Related CN203928426U (en) | 2014-06-19 | 2014-06-19 | A kind of wind-heat oven dry safety control of heating |
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| CN (1) | CN203928426U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238006A (en) * | 2019-06-29 | 2019-09-17 | 广东达诚技术股份有限公司 | Sheet material is coated with dryer hand automatic temperature-adjusting control system |
-
2014
- 2014-06-19 CN CN201420329493.9U patent/CN203928426U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238006A (en) * | 2019-06-29 | 2019-09-17 | 广东达诚技术股份有限公司 | Sheet material is coated with dryer hand automatic temperature-adjusting control system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 Termination date: 20180619 |