CN105222604A - A kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system - Google Patents
A kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system Download PDFInfo
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- CN105222604A CN105222604A CN201510755947.8A CN201510755947A CN105222604A CN 105222604 A CN105222604 A CN 105222604A CN 201510755947 A CN201510755947 A CN 201510755947A CN 105222604 A CN105222604 A CN 105222604A
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- triode
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- zener diode
- terminal voltage
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims description 23
- 238000012905 input function Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 239000003546 flue gas Substances 0.000 abstract description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005422 blasting Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002006 petroleum coke Substances 0.000 description 1
- 239000011301 petroleum pitch Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system, form primarily of processor, the A/D modular converter that is all connected with this processor and display and the temperature sensor that is connected with this A/D modular converter; It is characterized in that: be also connected with three-terminal voltage-stabilizing warning circuit on the processor; Described three-terminal voltage-stabilizing warning circuit is made up of transformer T, voltage input circuit, temperature signal input circuit and warning warning circuit.The present invention not only structure is simple, and it is with low cost, it can be reported to the police when flue-gas temperature superelevation immediately by three-terminal voltage-stabilizing warning circuit, dangerous situation can be processed in time, therefore flue gas can be prevented overheated and burn and cause fire, the danger of even blasting, ensure that the safety of production, is therefore applicable to promoting the use.
Description
Technical field
The present invention relates to a kind of warning system, specifically refer to a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system.
Background technology
Carbon baking furnace uses petroleum coke and pitch to do raw material usually, and at high operating temperatures, calcination department completes and the raw baking carbon blocks of vibration moulding is become qualified ripe carbon block.Raw carbon block temperature in roasting process is 200-1200 DEG C, and this process discharges a large amount of baking flue gas, and baking furnace fume main component is glance coal, tar and various combustible dust, and flue gas exit temperature is up to 900 DEG C.At high temperature, these flue gases must discharge flue in time, otherwise easy overheated burning, even set off an explosion.For the ease of finding secret, usually need to use warning device, this warning device can be reported to the police when flue-gas temperature superelevation, so that process dangerous situation in time.Low, slow in reacting for the warning system sensitivity of carbon baking furnace at present, dangerous situation can not be found immediately.
Summary of the invention
The object of the invention is to overcome low for the warning system sensitivity of carbon baking furnace at present, slow in reacting, the defect of dangerous situation can not be found immediately, not only structure is simple to provide one, and it is with low cost, the hidden danger of flue-gas temperature superelevation can also be found immediately, so that process the carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system of dangerous situation in time.
The present invention is achieved through the following technical solutions: a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system, forms primarily of processor, the A/D modular converter that is all connected with this processor and display and the temperature sensor that is connected with this A/D modular converter; Also be connected with three-terminal voltage-stabilizing warning circuit on the processor; Described three-terminal voltage-stabilizing warning circuit is by transformer T, be arranged on the secondary of transformer T and the warning warning circuit be connected with its secondary coil, be arranged on the former limit of transformer T and the voltage input circuit be connected with the Same Name of Ends of its primary coil, and the temperature signal input circuit be serially connected between the non-same polarity of primary coil of transformer T and voltage input circuit forms.
Further technical scheme is, described voltage input circuit is by triode VT1, triode VT2, one end is connected with the emitter stage of triode VT1 after Zener diode D1, the inductance L that the other end is connected with power supply jointly with the emitter stage of triode VT2, one end is connected with the tie point of inductance L with Zener diode D1, the resistance R1 that the other end is connected with the emitter stage of triode VT2, P pole is connected with the colelctor electrode of triode VT1 after resistance R2, the Zener diode D2 that N pole is connected with the colelctor electrode of triode VT2, and positive pole is connected with the emitter stage of triode VT2, the polar capacitor C1 of minus earth forms, the base stage of described triode VT1 is connected with the emitter stage of triode VT2, and the colelctor electrode of this triode VT1 is also connected with the base stage of triode VT2, and the emitter stage of this triode VT1 is also connected with the Same Name of Ends of the primary coil of transformer T, described temperature signal input circuit is connected with the P pole of Zener diode D2.
Further technical scheme is, described temperature signal input circuit is by relay K, triode VT3, triode VT4, N pole is connected with processor after resistance R3, the Zener diode D3 that P pole is connected with the base stage of triode VT3, positive pole is connected with the colelctor electrode of triode VT4 after resistance R4, the polar capacitor C2 that negative pole is connected with the colelctor electrode of triode VT3, N pole is connected with the colelctor electrode of triode VT4, the Zener diode D4 that P pole is connected with the emitter stage of triode VT4 after resistance R5, and the normally opened contact K-1 of the relay K be serially connected between the non-same polarity of primary coil of transformer T and the P pole of Zener diode D4 forms, described relay K is serially connected between the colelctor electrode of triode VT4 and the P pole of Zener diode D2, the base stage of described triode VT4 is also connected with the colelctor electrode of triode VT3, the grounded emitter of described triode VT3, the positive pole of described polar capacitor C2 is also connected with the N pole of Zener diode D3.
Further technical scheme is, described warning warning circuit is by triode VT5, N pole is connected with the non-same polarity of the secondary coil of transformer T after slide rheostat R6, P pole is in turn through Zener diode D4 that polar capacitor C4 is connected with the colelctor electrode of triode VT5 after LED and resistance R8, P pole is connected with the Same Name of Ends of the secondary coil of transformer T, the Zener diode D5 that N pole is connected with the base stage of triode VT5, positive pole is connected with the base stage of triode VT5, the polar capacitor C3 that negative pole is connected with the emitter stage of triode VT5, be serially connected in the resistance R7 between the emitter stage of triode VT5 and the N pole of Zener diode D4, and the acoustical generator BL be serially connected between the emitter stage of triode VT5 and polar capacitor C4 and the tie point of LED forms, the grounded collector of described triode VT5.
For guaranteeing to respond to the temperature that carbon baking furnace produces flue gas accurately and effectively, described temperature sensor adopts thermocouple temperature sensor.
For the ease of to processor input control order, described display is the liquid crystal display with touch-input function.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention's not only simple in structure and low in cost, and it can be reported to the police when flue-gas temperature superelevation immediately by three-terminal voltage-stabilizing warning circuit, can process dangerous situation in time, flue gas therefore can be prevented overheated and burn and cause fire, the danger of even blasting, ensure that the safety of production.
(2) three-terminal voltage-stabilizing warning circuit of the present invention is the combination of voltage input circuit, temperature signal input circuit and warning warning circuit three, voltage input circuit is used for processing supply voltage, for whole three-terminal voltage-stabilizing warning circuit provides stable voltage, ensure the stable operation of whole circuit; Temperature signal input circuit can when flue gas reaches the temperature value of setting the temperature signal of receiving processor turning circuit so that report to the police; Warning warning circuit is reported to the police by warning lamp and acoustical generator after temperature signal input circuit must conduct simultaneously, therefore can ensure that the present invention reports to the police the very first time when flue-gas temperature superelevation.
(3) temperature sensor of the present invention adopts thermocouple temperature sensor, can respond to the temperature that carbon baking furnace produces flue gas accurately and effectively.
(4) what display of the present invention adopted is the liquid crystal display with touch-input function, to processor input control order.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the electrical block diagram of three-terminal voltage-stabilizing warning circuit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment
As shown in Figure 1, warning system of the present invention forms primarily of processor, the A/D modular converter that is all connected with this processor and display and the temperature sensor that is connected with this A/D modular converter, described temperature sensor adopts thermocouple temperature sensor, and described display is the liquid crystal display with touch-input function.For the ease of reporting to the police immediately when flue-gas temperature superelevation, be also connected with three-terminal voltage-stabilizing warning circuit on the processor.
As shown in Figure 2, described three-terminal voltage-stabilizing warning circuit is made up of transformer T, voltage input circuit, temperature signal input circuit and warning warning circuit.Concrete, described voltage input circuit is arranged on the former limit of transformer T and is connected with the Same Name of Ends of its primary coil, between the non-same polarity that described temperature signal input circuit is serially connected in the primary coil of transformer T and voltage input circuit, described warning warning circuit is then arranged on the secondary of transformer T and is connected with its secondary coil.
Wherein, voltage input circuit is by triode VT1, and triode VT2, inductance L, Zener diode D1, Zener diode D2, resistance R1, resistance R2 and polar capacitor C1 form.During connection, one end of described inductance L is connected with the emitter stage of triode VT1 after Zener diode D1, and its other end is connected with power supply jointly with the emitter stage of triode VT2.The P pole of described Zener diode D1 is connected with inductance L, its N pole then with the emitter stage of triode VT1.One end of described resistance R1 is connected with the tie point of inductance L with Zener diode D1, and its other end is connected with the emitter stage of triode VT2.The P pole of described Zener diode D2 is connected with the colelctor electrode of triode VT1 after resistance R2, and its N pole is connected with the colelctor electrode of triode VT2.The positive pole of described polar capacitor C1 is connected with the emitter stage of triode VT2, its minus earth.
Meanwhile, the base stage of described triode VT1 is connected with the emitter stage of triode VT2, and the colelctor electrode of this triode VT1 is also connected with the base stage of triode VT2, and the emitter stage of this triode VT1 is also connected with the Same Name of Ends of the primary coil of transformer T.Described voltage input circuit is used for processing supply voltage, so that provide stable voltage for whole three-terminal voltage-stabilizing warning circuit.
Described temperature signal input circuit is by relay K, and triode VT3, triode VT4, Zener diode D3, Zener diode D4, resistance R3, resistance R4, resistance R5 and polar capacitor C2 form.During connection, the N pole of described Zener diode D3 is connected with processor after resistance R3, and its P pole is connected with the base stage of triode VT3.The positive pole of described polar capacitor C2 is connected with the colelctor electrode of triode VT4 after resistance R4, and its negative pole is connected with the colelctor electrode of triode VT3.The N pole of described Zener diode D4 is connected with the colelctor electrode of triode VT4, and P pole is connected with the emitter stage of triode VT4 after resistance R5.The normally opened contact K-1 of described relay K is serially connected between the non-same polarity of the primary coil of transformer T and the P pole of Zener diode D4.
Simultaneously, described relay K is serially connected between the colelctor electrode of triode VT4 and the P pole of Zener diode D2, the base stage of described triode VT4 is also connected with the colelctor electrode of triode VT3, the grounded emitter of described triode VT3, the positive pole of described polar capacitor C2 is also connected with the N pole of Zener diode D3.Described temperature signal input circuit is used for the overtemperature signal that receiving processor sends, during use, when temperature sensor senses exceedes the temperature value of setting to flue-gas temperature, processor sends signal to temperature signal input circuit, the normally opened contact K-1 of relay K closes, thus the whole three-terminal voltage-stabilizing warning circuit of conducting, warning warning circuit can be reported to the police immediately.
Described warning warning circuit by triode VT5, slide rheostat R6, resistance R7, resistance R8, polar capacitor C3, polar capacitor C4, Zener diode D4, Zener diode D5, LED and acoustical generator BL.The N pole of described Zener diode D4 is connected with the secondary non-same polarity of transformer T after slide rheostat R6, its P pole in turn after polar capacitor C4 and LED and resistance R8 with the colelctor electrode of triode VT5.Wherein, the sliding end of described slide rheostat R6 is connected with the non-same polarity of the secondary coil of transformer T; The positive pole of described polar capacitor C4 is connected with the P pole of Zener diode D4, and its negative pole is connected with LED.The P pole of described Zener diode D5 is connected with the Same Name of Ends of the secondary coil of transformer T, and its N pole is connected with the base stage of triode VT5.The positive pole of described polar capacitor C3 is connected with the base stage of triode VT5, and its negative pole is connected with the emitter stage of triode VT5.
Described resistance R7 is serially connected between the emitter stage of triode VT5 and the N pole of Zener diode D4, and described acoustical generator BL is serially connected between the emitter stage of triode VT5 and polar capacitor C4 and the tie point of LED, the grounded collector of described triode VT5.Warning warning circuit of the present invention is reported to the police by warning lamp and acoustical generator after temperature signal input circuit must conduct simultaneously, therefore can ensure that the present invention reports to the police the very first time when flue-gas temperature superelevation.
As mentioned above, just the present invention can be realized preferably.
Claims (6)
1. a carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system, forms primarily of processor, the A/D modular converter that is all connected with this processor and display and the temperature sensor that is connected with this A/D modular converter; It is characterized in that: be also connected with three-terminal voltage-stabilizing warning circuit on the processor; Described three-terminal voltage-stabilizing warning circuit is by transformer T, be arranged on the secondary of transformer T and the warning warning circuit be connected with its secondary coil, be arranged on the former limit of transformer T and the voltage input circuit be connected with the Same Name of Ends of its primary coil, and the temperature signal input circuit be serially connected between the non-same polarity of primary coil of transformer T and voltage input circuit forms.
2. a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system according to claim 1, it is characterized in that: described voltage input circuit is by triode VT1, triode VT2, one end is connected with the emitter stage of triode VT1 after Zener diode D1, the inductance L that the other end is connected with power supply jointly with the emitter stage of triode VT2, one end is connected with the tie point of inductance L with Zener diode D1, the resistance R1 that the other end is connected with the emitter stage of triode VT2, P pole is connected with the colelctor electrode of triode VT1 after resistance R2, the Zener diode D2 that N pole is connected with the colelctor electrode of triode VT2, and positive pole is connected with the emitter stage of triode VT2, the polar capacitor C1 of minus earth forms, the base stage of described triode VT1 is connected with the emitter stage of triode VT2, and the colelctor electrode of this triode VT1 is also connected with the base stage of triode VT2, and the emitter stage of this triode VT1 is also connected with the Same Name of Ends of the primary coil of transformer T, described temperature signal input circuit is connected with the P pole of Zener diode D2.
3. a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system according to claim 2 is characterized in that: described temperature signal input circuit is by relay K, triode VT3, triode VT4, N pole is connected with processor after resistance R3, the Zener diode D3 that P pole is connected with the base stage of triode VT3, positive pole is connected with the colelctor electrode of triode VT4 after resistance R4, the polar capacitor C2 that negative pole is connected with the colelctor electrode of triode VT3, N pole is connected with the colelctor electrode of triode VT4, the Zener diode D4 that P pole is connected with the emitter stage of triode VT4 after resistance R5, and the normally opened contact K-1 of the relay K be serially connected between the non-same polarity of primary coil of transformer T and the P pole of Zener diode D4 forms, described relay K is serially connected between the colelctor electrode of triode VT4 and the P pole of Zener diode D2, the base stage of described triode VT4 is also connected with the colelctor electrode of triode VT3, the grounded emitter of described triode VT3, the positive pole of described polar capacitor C2 is also connected with the N pole of Zener diode D3.
4. a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system according to claim 3, it is characterized in that: described warning warning circuit is by triode VT5, N pole is connected with the non-same polarity of the secondary coil of transformer T after slide rheostat R6, P pole is in turn through Zener diode D4 that polar capacitor C4 is connected with the colelctor electrode of triode VT5 after LED and resistance R8, P pole is connected with the Same Name of Ends of the secondary coil of transformer T, the Zener diode D5 that N pole is connected with the base stage of triode VT5, positive pole is connected with the base stage of triode VT5, the polar capacitor C3 that negative pole is connected with the emitter stage of triode VT5, be serially connected in the resistance R7 between the emitter stage of triode VT5 and the N pole of Zener diode D4, and the acoustical generator BL be serially connected between the emitter stage of triode VT5 and polar capacitor C4 and the tie point of LED forms, the grounded collector of described triode VT5.
5. a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system according to claim 4, is characterized in that: described temperature sensor adopts thermocouple temperature sensor.
6. a kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system according to claim 5, is characterized in that: described display is the liquid crystal display with touch-input function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510755947.8A CN105222604A (en) | 2015-11-09 | 2015-11-09 | A kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510755947.8A CN105222604A (en) | 2015-11-09 | 2015-11-09 | A kind of carbon baking furnace three-terminal voltage-stabilizing formula temperature alarm system |
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| CN105222604A true CN105222604A (en) | 2016-01-06 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08226775A (en) * | 1995-02-22 | 1996-09-03 | Ohkura Electric Co Ltd | Alarming device for abnormal furnace temperature distribution |
| JP3407749B2 (en) * | 1992-09-03 | 2003-05-19 | 富士電機株式会社 | Induction furnace shelves protection device |
| CN2685796Y (en) * | 2004-02-12 | 2005-03-16 | 武汉理工大学 | Virtual digital furnace |
| CN1928480A (en) * | 2006-09-19 | 2007-03-14 | 沈阳铝镁设计研究院 | Calcining kiln flue temperature monitoring explosion-proof system |
| CN201600579U (en) * | 2009-07-02 | 2010-10-06 | 成都信息工程学院 | Intelligent monitoring system for furniture oven |
-
2015
- 2015-11-09 CN CN201510755947.8A patent/CN105222604A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3407749B2 (en) * | 1992-09-03 | 2003-05-19 | 富士電機株式会社 | Induction furnace shelves protection device |
| JPH08226775A (en) * | 1995-02-22 | 1996-09-03 | Ohkura Electric Co Ltd | Alarming device for abnormal furnace temperature distribution |
| CN2685796Y (en) * | 2004-02-12 | 2005-03-16 | 武汉理工大学 | Virtual digital furnace |
| CN1928480A (en) * | 2006-09-19 | 2007-03-14 | 沈阳铝镁设计研究院 | Calcining kiln flue temperature monitoring explosion-proof system |
| CN201600579U (en) * | 2009-07-02 | 2010-10-06 | 成都信息工程学院 | Intelligent monitoring system for furniture oven |
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