CN203858287U - Electrolytic bath effect voltage detection device - Google Patents
Electrolytic bath effect voltage detection device Download PDFInfo
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- CN203858287U CN203858287U CN201420213479.2U CN201420213479U CN203858287U CN 203858287 U CN203858287 U CN 203858287U CN 201420213479 U CN201420213479 U CN 201420213479U CN 203858287 U CN203858287 U CN 203858287U
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- diode
- resistance
- triode
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- 230000000694 effects Effects 0.000 title claims abstract description 38
- 238000001514 detection method Methods 0.000 title abstract description 9
- 239000003990 capacitor Substances 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000003111 delayed effect Effects 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 description 4
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model relates to an electrolytic bath effect voltage detection device, which comprises a relay J1, a relay J2, a voltage comparator LM393, triode KSP44, a triode 9014, a triode 2sc2688, a diode D2, a diode D3, a diode D4, a diode R2, a diode R7, a diode T4, a resistor R1, a resistor R3, a resistor R5, a resistor R4, a resistor R6, a resistor R8, a resistor R9, a fuse D1, a capacitor C1 and the like. When the electrolytic bath effect voltage detection device in an intelligent automatic fuzzy control system for aluminum electrolysis detects that the effect of the electrolytic bath is generated during the operating process of the electrolytic bath, the electrolytic bath effect voltage detection device can provide an effect alarm signal for an effect alarming device immediately after detecting an effect voltage, and the detection device detects the electrolytic bath effect operating state and the effect information for providing guarantee for the accurate control of a control system, thereby effectively protecting the production operation of the aluminum electrolytic bath, and preventing accidents such as furnace leakage and electrolytic bath technological condition damage caused by omission report or delayed alarm when the effect of the electrolytic bath is generated.
Description
Technical field
The utility model belongs to technical field of electricity, particularly a kind of electrolytic tank effect voltage pick-up unit.
Background technology
Known electrolytic tank Effect alarm is the voltage check device carrying out after voltage is changed by A/D, and this detection has time expand, because the too much failure rate of A/D conversion links is higher, easily fails to report and misrepresents deliberately.The tank voltage A/D effect detection device occurring in recent years also affects use because there is different technical matterss.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of electrolytic tank effect voltage pick-up unit, produce the control core that signal is sent to Effect alarm control system, by control core, with this, judge the effect situation of electrolytic tank, and the slot control machine Effect alarm that can carry out next step command execution according to judged result is reported to the police.
To achieve these goals, the technical solution adopted in the utility model is:
An electrolytic tank effect voltage pick-up unit, comprises relay J 1, relay J 2, voltage comparator LM393, triode KSP44, triode 9014, triode 2sc2688, diode D2, diode D3, diode D4, diode R2, diode R7, diode T4, resistance R 1, resistance R 3, resistance R 5, resistance R 4, resistance R 6, resistance R 8, resistance R 9, insurance D1 and capacitor C 1, the first positive input of described voltage comparator LM393 is by the positive pole of resistance R 1 access slot voltage, the negative pole of the diode D2 access slot voltage by capacitor C 1, resistance R 5 and reversal connection, the first reverse input end connects the negative electrode of diode R7 and one end of resistance R 6, the base stage of the first output termination triode 9014 and one end of resistance R 8, the another end of the another end of resistance R 6 and resistance R 8 is joined and the emitter of connecting triode 2sc2688, the base stage of triode 2sc2688 connects the emitter of triode KSP44, one end of base stage connecting resistance R4 of triode KSP44 and the negative electrode of diode T4, the another end of resistance R 4 connects the anode of diode R2, one end of the negative electrode of diode D3 and resistance R 3, the negative electrode of diode R2, the another end of resistance R 3, the collector of the collector of triode 2sc2688 and triode KSP44 joins and the positive pole of link slot voltage, the emitter of triode 9014, the anode of diode D3, the anode of the anode of diode T4 and diode R7 joins and the negative pole of link slot voltage, the collector of triode 9014 connects the anode of diode D4 and one end of resistance R 9, the another end of the negative electrode of diode D4 and resistance R 9 is joined and the emitter of connecting triode 2sc2688, and the collector of triode 9014 is simultaneously by the emitter of relay J in parallel 1 and relay J 2 connecting triode 2sc2688.
The collector of the collector of the another end of the negative electrode of diode R2, resistance R 3, triode 2sc2688 and triode KSP44 joins and passes through the positive pole of insurance D1 link slot voltage.
What the first output terminal of described voltage comparator LM393 was exported is the voltage of 0---5V.
Compared with prior art, in the intelligent automatic mold fuzzy control system of the utility model electrolytic tank effect voltage pick-up unit in aluminium electroloysis, detection is electrolytic tank generating effect in electrolytic tank operational process, can electrolytic tank effect voltage pick-up unit immediately for Effect alarm device provides Effect alarm signal after effect voltage being detected, and it is all very important problem that these production runs to aluminium cell are controlled.The detection of pick-up unit to electrolytic tank effect running status and effect information, for the accurate control of control system provides safeguard.Effectively safeguard the production run of aluminium cell, avoid failing to report after electrolytic tank generating effect or incur loss through delay to report to the police and cause electrolytic tank generation runout, destroy the accidents such as electrolytic tank process conditions.
Accompanying drawing explanation
Fig. 1 is the utility model electrical schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, describe embodiment of the present utility model in detail.
As shown in Figure 1, a kind of electrolytic tank effect voltage pick-up unit, comprises relay J 1, relay J 2, voltage comparator LM393, triode KSP44, triode 9014, triode 2sc2688, diode D2, diode D3, diode D4, diode R2, diode R7, diode T4, resistance R 1, resistance R 3, resistance R 5, resistance R 4, resistance R 6, resistance R 8, resistance R 9, insurance D1 and capacitor C 1, the first positive input of described voltage comparator LM393 is by the positive pole of resistance R 1 access slot voltage, the negative pole of the diode D2 access slot voltage by capacitor C 1, resistance R 5 and reversal connection, the first reverse input end connects the negative electrode of diode R7 and one end of resistance R 6, the base stage of the first output termination triode 9014 and one end of resistance R 8, the another end of the another end of resistance R 6 and resistance R 8 is joined and the emitter of connecting triode 2sc2688, the base stage of triode 2sc2688 connects the emitter of triode KSP44, one end of base stage connecting resistance R4 of triode KSP44 and the negative electrode of diode T4, the another end of resistance R 4 connects the anode of diode R2, one end of the negative electrode of diode D3 and resistance R 3, the negative electrode of diode R2, the another end of resistance R 3, the collector of the collector of triode 2sc2688 and triode KSP44 joins and passes through the positive pole of insurance D1 link slot voltage.The anode of the anode of the anode of the emitter of triode 9014, diode D3, diode T4 and diode R7 joins and the negative pole of link slot voltage; The collector of triode 9014 connects the anode of diode D4 and one end of resistance R 9, the another end of the negative electrode of diode D4 and resistance R 9 is joined and the emitter of connecting triode 2sc2688, and the collector of triode 9014 is simultaneously by the emitter of relay J in parallel 1 and relay J 2 connecting triode 2sc2688.
When electrolytic bath voltage entrance effect voltage check device, tank voltage is anodal by 3 pin (the first positive input) of resistance R 1, R5 dividing potential drop access in parallel with clamp diode D2 voltage comparator LM393, tank voltage negative pole accesses voltage clamp 2 pin (the first reverse input end) of comparer at 2.5V by voltage stabilizing diode TL431, tank voltage is by the voltage of the relatively rear comparer 1 pin output 0---5V of voltage comparator LM393.This voltage is exactly the signal of pilot relay J1, relay J 2.When tank voltage is less than 8V, the 3 pin voltages of voltage comparator LM393 are the voltage lower than voltage comparator 2 pin 2.5V by electric resistance partial pressure voltage, comparer 1 pin (the first output terminal) output voltage is low level, relay J 1, relay J 2 is not worked, when tank voltage is greater than 8V, the 3 pin voltages of voltage comparator LM393 remain on 2.5---5V voltage higher than the voltage of voltage comparator 2 pin 2.5V by electric resistance partial pressure voltage and diode-clamped voltage, comparer 1 pin output voltage is high level, relay J 1, relay J 2 work are immediately for Effect alarm device provides Effect alarm signal, the utility model electrolytic tank effect voltage pick-up unit is effectively safeguarded production run and the effect running state information of aluminium cell, the operation information of tank voltage is participated in to controlling alarm, electric and numerical information combines.
Claims (3)
1. an electrolytic tank effect voltage pick-up unit, is characterized in that, comprises relay J 1, relay J 2, voltage comparator LM393, triode KSP44, triode 9014, triode 2sc2688, diode D2, diode D3, diode D4, diode R2, diode R7, diode T4, resistance R 1, resistance R 3, resistance R 5, resistance R 4, resistance R 6, resistance R 8, resistance R 9, insurance D1 and capacitor C 1, it is characterized in that: the first positive input of described voltage comparator LM393 is by the positive pole of resistance R 1 access slot voltage the negative pole of the diode D2 access slot voltage by capacitor C 1, resistance R 5 and reversal connection, the first reverse input end connects the negative electrode of diode R7 and one end of resistance R 6, the base stage of the first output termination triode 9014 and one end of resistance R 8, the another end of the another end of resistance R 6 and resistance R 8 is joined and the emitter of connecting triode 2sc2688, the base stage of triode 2sc2688 connects the emitter of triode KSP44, one end of base stage connecting resistance R4 of triode KSP44 and the negative electrode of diode T4, the another end of resistance R 4 connects the anode of diode R2, one end of the negative electrode of diode D3 and resistance R 3, the negative electrode of diode R2, the another end of resistance R 3, the collector of the collector of triode 2sc2688 and triode KSP44 joins and the positive pole of link slot voltage, the emitter of triode 9014, the anode of diode D3, the anode of the anode of diode T4 and diode R7 joins and the negative pole of link slot voltage, the collector of triode 9014 connects the anode of diode D4 and one end of resistance R 9, the another end of the negative electrode of diode D4 and resistance R 9 is joined and the emitter of connecting triode 2sc2688, and the collector of triode 9014 is simultaneously by the emitter of relay J in parallel 1 and relay J 2 connecting triode 2sc2688.
2. electrolytic tank effect voltage pick-up unit according to claim 1, it is characterized in that, the collector of the another end of the negative electrode of described diode R2, resistance R 3, the collector of triode 2sc2688 and triode KSP44 joins and passes through the positive pole of insurance D1 link slot voltage.
3. electrolytic tank effect voltage pick-up unit according to claim 1, is characterized in that, what the first output terminal of described voltage comparator LM393 was exported is the voltage of 0---5V.
Priority Applications (1)
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CN201420213479.2U CN203858287U (en) | 2014-04-29 | 2014-04-29 | Electrolytic bath effect voltage detection device |
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CN201420213479.2U CN203858287U (en) | 2014-04-29 | 2014-04-29 | Electrolytic bath effect voltage detection device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109507546A (en) * | 2018-11-06 | 2019-03-22 | 云南云铝涌鑫铝业有限公司 | The detection circuit of aluminium electrolytic cell crust-breaking cylinder and insulation detecting method based on pressure difference |
-
2014
- 2014-04-29 CN CN201420213479.2U patent/CN203858287U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109507546A (en) * | 2018-11-06 | 2019-03-22 | 云南云铝涌鑫铝业有限公司 | The detection circuit of aluminium electrolytic cell crust-breaking cylinder and insulation detecting method based on pressure difference |
CN109507546B (en) * | 2018-11-06 | 2021-03-05 | 云南云铝涌鑫铝业有限公司 | Detection circuit of crust breaking cylinder of aluminum electrolytic cell and insulation detection method based on differential pressure |
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GR01 | Patent grant | ||
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Granted publication date: 20141001 |