CN102435953B - Power supply monitoring instrument of seismic data processing workstation - Google Patents
Power supply monitoring instrument of seismic data processing workstation Download PDFInfo
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- CN102435953B CN102435953B CN 201110312204 CN201110312204A CN102435953B CN 102435953 B CN102435953 B CN 102435953B CN 201110312204 CN201110312204 CN 201110312204 CN 201110312204 A CN201110312204 A CN 201110312204A CN 102435953 B CN102435953 B CN 102435953B
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Abstract
The invention relates to a power supply monitoring instrument of a seismic data processing workstation. The power supply monitoring instrument is mainly used for solving the problems that a power supply of the existing seismic data processing workstation has no ripple detection function and voltage is out of a limit. The power supply monitoring instrument is characterized in that a voltage detection unit, which is constituted after connecting a reference voltage formation circuit with a voltage detection circuit, and a ripple detection unit, which is constituted after connecting a ripple detection and amplification circuit with a ripple processing circuit, are sequentially connected between a positive and negative power supply acquired signal input end and an alarm signal output end according to circuit connection rules; and control signals outputted by the voltage detection unit and the ripple detection unit are respectively amplified by a voltage conversion circuit and then outputted to a display buzzing circuit to be used as voltage over-limit and ripple over-limit alarm signals. The power supply monitoring instrument provided by the invention can effectively protect the power supply of the seismic data processing workstation, avoid the loss of seismic data and improve the accuracy of detection data.
Description
Technical field
The present invention relates to a kind of for the robotization protective device on the power supply of geological data work for the treatment of station.
Background technology
Geological data work for the treatment of station is a kind of computer equipment of important costliness, and along with after computing machine is widely used in the earthquake data processing system, the abnormal conditions of this system power supply are detected has just become a very important job.Existing power detector is owing to not designing at geological data work for the treatment of station, therefore, for geological data work for the treatment of station, it is too careless to detect, generally all be that just can detect when unusual on a large scale appears in power supply, and can not detect the situation that occurs ripple in situation that voltage transfinites and the power supply accurately.Like this, just be very easy to cause the corrupted data in the geological data work for the treatment of station, thereby cause huge direct economic loss and immeasurable indirect loss.
Summary of the invention
In order to solve the prior art problem that background technology proposes; the invention provides a kind of novel power supply monitoring instrument that is used on the power supply of geological data work for the treatment of station; this kind power supply monitoring instrument; can effectively protect geological data work for the treatment of station power supply, avoid the accuracy of lossing and improving the detection data of geological data.
Technical scheme of the present invention is: this kind geological data work for the treatment of station power supply monitoring instrument, comprise by reference voltage forming the voltage detection unit that constitutes after circuit and the voltage detecting circuit binding, and detect the ripple detecting unit that constitutes after amplifying circuit and the binding of ripple treatment circuit by ripple; The control signal of described voltage detection unit and the output of ripple detecting unit is exported to the alerting signal that shows that buzz circuit transfinites as voltage and ripple transfinites after amplifying by voltage conversion circuit respectively; Wherein, described reference voltage forms circuit and adopts the LM317 chip, and described voltage detecting circuit adopts the LM393N chip, and foregoing circuit is gathered between signal input part and the control signal output terminal at positive-negative power and connected successively according to the circuit concatenate rule; Simultaneously, form 2 links after the output terminal process divider resistance dividing potential drop of described reference voltage formation circuit, be connected to No. 2 pins and No. 5 pins of described voltage detecting circuit respectively; In addition, voltage detecting circuit No. 1 pin and No. 7 pins are connected to the coupled signal input end of 1, No. 2 optocoupler respectively; The coupled signal output terminal of described 1, No. 2 optocoupler is as the voltage control signal output terminal that transfinites; Described ripple detects amplifying circuit and ripple treatment circuit and is made of partial pressure filter circuit and the transistor drive circuit that diode, electric capacity and 2 divider resistances constitute by gather the transistor amplifier that connects successively according to the circuit concatenate rule between signal input part and the control signal output terminal, voltage amplifier circuit and one group at positive-negative power; Wherein, described transistor amplifier adopts the 2SC1815 chip, and described voltage amplifier circuit adopts the LF353N chip, and described transistor drive circuit adopts the 2SA684 chip; In addition, the ripple voltage of described positive supply collection signal input part connects the input end that electric capacity is added to transistor amplifier through one; No. 1 pin of voltage amplifier circuit is connected to the base stage of described transistor drive circuit, and No. 7 pins are connected to the forward current input end of described diode; In addition, described ripple detecting unit also comprises No. 3 optocouplers and commutation diode, and the positive level input end of described No. 3 optocouplers is connected to No. 3 pins of described voltage amplifier circuit through resistance, and the negative level input end of No. 3 optocouplers is connected to the link of divider resistance; The output terminal of described No. 3 optocouplers is connected to No. 5 pins and No. 6 pins of described voltage amplifier circuit respectively through commutation diode; The collector of described transistor drive circuit is as the ripple control signal output terminal that transfinites.
The present invention has following beneficial effect: this kind geological data work for the treatment of station power supply monitoring instrument is operated in the Low-voltage Low-power state, so working stability is safe and reliable.Though solved the power supply of each quasi-instrument thus multiple safety practice is arranged; but because it is operated in the high-voltage great-current state; in case damage; the problem that other safety practice all lost efficacy; therefore this kind monitor is installed on after geological data work for the treatment of station goes up, and can monitor multiclass direct supply voltage as required, and solving geological data work for the treatment of station supply voltage transfinites and damage other circuit elements device and the supply voltage problem that power supply damages fast that transfinites; and then the protection significant data, in order to avoid lose.In addition, utilize this kind power supply monitoring instrument after, do not need to set up power supply in addition, but adopt the power supply of machine to be checked, very convenient.In addition; reliability for intensifier circuit; this abnormal alarm circuit employing+12V-1 and+12V-2 powers simultaneously, as long as+12V-1 and+12V-2 have one normal, but this power supply monitoring instrument operate as normal just; can monitor the duty of power supply at any time; and power supply beyond circuit whether transship, prevent trouble before it happens, can effectively protect power supply; be convenient to the technician and when power fail is very slight, find, and on-call maintenance.
Description of drawings:
Fig. 1 is formation block diagram of the present invention.
Fig. 2 is in the specific embodiment of the invention, the electrical schematic diagram of+12V-1 one tunnel.
Fig. 3 is the electrical schematic diagram of complete instrument in the specific embodiment of the invention.
Embodiment:
The invention will be further described below in conjunction with accompanying drawing:
As shown in Figure 1, this kind of geological data work for the treatment of station power supply monitoring instrument, comprise by reference voltage forming the voltage detection unit that constitutes after circuit and the voltage detecting circuit binding, and detect the ripple detecting unit that constitutes after amplifying circuit and the binding of ripple treatment circuit by ripple; The control signal of described voltage detection unit and the output of ripple detecting unit is exported to the alerting signal that shows that buzz circuit transfinites as voltage and ripple transfinites after amplifying by voltage conversion circuit respectively.
Fig. 2 is in the specific embodiment of the invention, the electrical schematic diagram of+12V-1 one tunnel, and other road is in like manner.As shown in the figure, described reference voltage forms circuit U 100 and adopts the LM317 chip, described voltage detecting circuit U300 adopts the LM393N chip, and foregoing circuit is gathered between signal input part and the control signal output terminal at positive-negative power and connected successively according to the circuit concatenate rule; Simultaneously, form 2 links after the output terminal process divider resistance dividing potential drop of described reference voltage formation circuit U 100, be connected to No. 2 pins and No. 5 pins of described voltage detecting circuit U300 respectively; In addition, voltage detecting circuit U300 No. 1 pin and No. 7 pins are connected to the coupled signal input end of 1, No. 2 optocoupler U3, U4 respectively; The coupled signal output terminal of described 1, No. 2 optocoupler U3 and U4 is as the voltage control signal output terminal that transfinites.
Described ripple detects amplifying circuit and ripple treatment circuit and is made of partial pressure filter circuit and the transistor drive circuit Q2 that diode D902, capacitor C 900 and 2 divider resistance R903 and R904 constitute by gather the transistor amplifier Q1, the voltage amplifier circuit U900 that connect successively according to the circuit concatenate rule between signal input part and the control signal output terminal and one group at positive-negative power; Wherein, described transistor amplifier Q1 adopts the 2SC1815 chip, and described voltage amplifier circuit U900 adopts the LF353N chip, and described transistor drive circuit Q2 adopts the 2SA684 chip.
In addition, the ripple voltage of described positive supply collection signal input part connects the input end that capacitor C 5 is added to transistor amplifier Q1 through one; No. 1 pin of voltage amplifier circuit U900 is connected to the base stage of described transistor drive circuit Q2, and No. 7 pins are connected to the forward current input end of described diode D902.
In addition, described ripple detecting unit also comprises No. 3 optocoupler U14 and commutation diode D014, the positive level input end process resistance of described No. 3 optocoupler U14 is connected to No. 3 pins of described voltage amplifier circuit U900, and the negative level input end of No. 3 optocoupler U14 is connected to the link of divider resistance R904; The output terminal of described No. 3 optocoupler U14 is connected to No. 5 pins and No. 6 pins of described voltage amplifier circuit U900 respectively through commutation diode D014; The collector of described transistor drive circuit Q2 is as the ripple control signal output terminal that transfinites.
The concrete course of work of this monitor is as follows :+12-1V voltage to be measured is through its power port, deliver to 3 pin and 6 pin of U300/LM393, U300 is voltage comparator, when 3, the voltage of 6 pin is between 2 pin voltages and 5 pin voltages the time, this circuit is made as ± and 3%, but be voltage timing between 11.64V to 12.36V, luminous 2 utmost point pipe conductings among optocoupler U3 and the U4, photosensitive 3 utmost point pipe conductings among U3 and the U4, photosensitive 3 utmost point pipe C among U3 and the U4 are low level very, D003 and D004 end, and U900A does not work, and sound light alarming circuit and relay K are not worked, relay K can be used to start or shutdown, show+12-1V voltage is in allowed band; If the voltage of 3,6 pin is not between 2 pin voltages and 5 pin voltages, namely+12V-1 voltage deviation standard value transfinites, optocoupler U3 then, U4 must have one of them to end, as long as U3, U4 has any one to end, 3 utmost point pipe C of the optocoupler that then ends are high level very, make 2 utmost point pipe 1N4001 conductings that link to each other with the optocoupler that ends, make 2 pin of U900 obtain to be higher than the voltage of its 3 pin, the 1 pin output LOW voltage of U900, the Q2 conducting makes sound light alarming circuit and relay work, show+12-1V voltage transfinites.
Fig. 3 is the electrical schematic diagram of complete instrument in the specific embodiment of the invention.
The course of work that ripple detects is: the ripple voltage on+12-1V road is added to Q1 through C5 and carries out first order amplification, carrying out the second level through U900B amplifies, ripple voltage after the amplification is added to the common point of R903 and R904 through the D902 rectification after the C900 filtering, when the common point voltage of R903 and R904 is higher than 5.2V, U14 ends, the D014 conducting makes 2 pin of U900 obtain to be higher than the voltage of its 3 pin, the 1 pin output LOW voltage of U900, make sound light alarming circuit and relay work, show that ripple transfinites.
This machine can be growth 10cm, and the single face circuit board of wide 10cm if can do forr a short time of surface mount elements, or is made as required.Be applied to monitor the duty of power supply at any time in the power supply of geological data work for the treatment of station, and whether the circuit beyond the power supply transship, prevent trouble before it happens.This monitor is to be operated in the Low-voltage Low-power state, so working stability, safe and reliable, though the power supply of each quasi-instrument has multiple safety practice, but because it is operated in the high-voltage great-current state, in case damage, other safety practice all lost efficacy, this machine can be monitored multiclass direct supply voltage as required; This monitor does not need to set up in addition power supply, but adopt the power supply of machine to be checked, simultaneously for the reliability of intensifier circuit, this monitor employings+12V-1 and+12V-2 power simultaneously, if+12V-1 and+12V-2 have one normal, but this monitor operate as normal just; This monitor cost is very low, about 100 yuan of costs; This monitor volume is little, and I is made 5cm * 5cm * 2cm; This monitor connects simple, has only 10 lines to link to each other with machine to be checked, the color of the corresponding machine line to be checked of the line color of 10 contact pins, and those of ordinary skill just can be finished and install and use; This monitor is that the health status from power supply begins monitoring, has just played protective effect to sub-health state, and monitoring accuracy is adjustable as required.
Best embodiment is to use the outside that is installed on geological data work for the treatment of station power supply and computer power supply, and this device should stay in former machine inside when changing power supply.
Claims (1)
1. a geological data work for the treatment of station power supply monitoring instrument comprises by reference voltage forming the voltage detection unit that constitutes after circuit and the voltage detecting circuit binding, and detects the ripple detecting unit that constitutes after amplifying circuit and the binding of ripple treatment circuit by ripple; The control signal of described voltage detection unit and the output of ripple detecting unit is exported to the alerting signal that shows that buzz circuit transfinites as voltage and ripple transfinites after amplifying by voltage conversion circuit respectively;
Wherein, described reference voltage forms circuit (U100) and adopts the LM317 chip, described voltage detecting circuit (U300) adopts the LM393N chip, and reference voltage forms circuit (U100) and voltage detecting circuit (U300) to transfinite at positive-negative power collection signal input part and voltage and connect successively according to the circuit concatenate rule between the control signal output terminal; Simultaneously, form 2 links after the output terminal of described reference voltage formation circuit (U100) the process divider resistance dividing potential drop, be connected to No. 2 pins and No. 5 pins of described voltage detecting circuit (U300) respectively; In addition, No. 1 pin and No. 7 pins of voltage detecting circuit (U300) are connected to optocoupler (U3, coupled signal input end U4) respectively 1, No. 2; Described 1, No. 2 optocoupler (U3, coupled signal output terminal U4) is as the voltage control signal output terminal that transfinites;
Described ripple detects amplifying circuit and ripple treatment circuit transfinites the transistor amplifier (Q1) that connects successively according to the circuit concatenate rule between the control signal output terminal, voltage amplifier circuit (U900) and one group by diode (D902), electric capacity (C900) and 2 divider resistances (R903, R904) partial pressure filter circuit of Gou Chenging and transistor drive circuit (Q2) formations by gather signal input part and ripple at positive-negative power; Wherein, described transistor amplifier (Q1) adopts the 2SC1815 chip, and described voltage amplifier circuit (U900) adopts the LF353N chip, and described transistor drive circuit (Q2) adopts the 2SA684 chip;
In addition, the ripple voltage of described positive-negative power collection signal input part connects the input end that electric capacity (C5) is added to transistor amplifier (Q1) through one; No. 1 pin of voltage amplifier circuit (U900) is connected to the base stage of described transistor drive circuit (Q2), and No. 7 pins are connected to the forward current input end of described diode (D902);
In addition, described ripple detecting unit also comprises No. 3 optocouplers (U14) and commutation diode (D014), the positive level input end process resistance of described No. 3 optocouplers (U14) is connected to No. 3 pins of described voltage amplifier circuit (U900), and the negative level input end of No. 3 optocouplers (U14) is connected to the link of divider resistance (R904); The output terminal of described No. 3 optocouplers (U14) is connected to No. 5 pins and No. 6 pins of described voltage amplifier circuit (U900) respectively through commutation diode (D014);
The collector of described transistor drive circuit (Q2) is as the ripple control signal output terminal that transfinites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312204 CN102435953B (en) | 2011-10-15 | 2011-10-15 | Power supply monitoring instrument of seismic data processing workstation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110312204 CN102435953B (en) | 2011-10-15 | 2011-10-15 | Power supply monitoring instrument of seismic data processing workstation |
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| CN102435953A CN102435953A (en) | 2012-05-02 |
| CN102435953B true CN102435953B (en) | 2013-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110312204 Expired - Fee Related CN102435953B (en) | 2011-10-15 | 2011-10-15 | Power supply monitoring instrument of seismic data processing workstation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104426341A (en) * | 2013-09-09 | 2015-03-18 | 国基电子（上海）有限公司 | Protection circuit and communication terminal equipment with protection circuit |
| CN109685671A (en) * | 2018-12-13 | 2019-04-26 | 平安医疗健康管理股份有限公司 | Medical data exception recognition methods, equipment and storage medium based on machine learning |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779413Y (en) * | 2004-05-31 | 2006-05-10 | 綦南供电局 | Online monitoring apparatus for overvoltage of 10KV power system |
| CN102044978A (en) * | 2009-10-16 | 2011-05-04 | 群康科技(深圳)有限公司 | Power supply circuit and monitoring protection method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4693729B2 (en) * | 2006-09-15 | 2011-06-01 | パナソニック株式会社 | VOLTAGE DETECTION CIRCUIT, POWER SUPPLY DEVICE EQUIPPED WITH THE SAME, SWITCHING REGULATOR DEVICE, AND ELECTRONIC DEVICE |
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- 2011-10-15 CN CN 201110312204 patent/CN102435953B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779413Y (en) * | 2004-05-31 | 2006-05-10 | 綦南供电局 | Online monitoring apparatus for overvoltage of 10KV power system |
| CN102044978A (en) * | 2009-10-16 | 2011-05-04 | 群康科技(深圳)有限公司 | Power supply circuit and monitoring protection method thereof |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2008-70285A 2008.03.27 |
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Granted publication date: 20130821 Termination date: 20161015 |