CN103134634A - Gas pressure safety alarm system - Google Patents
Gas pressure safety alarm system Download PDFInfo
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- CN103134634A CN103134634A CN2011103936039A CN201110393603A CN103134634A CN 103134634 A CN103134634 A CN 103134634A CN 2011103936039 A CN2011103936039 A CN 2011103936039A CN 201110393603 A CN201110393603 A CN 201110393603A CN 103134634 A CN103134634 A CN 103134634A
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Abstract
The invention discloses a gas pressure safety alarm system which comprises a pressure transmitter, a pressure display instrument connected with a light cavity through the pressure transmitter, an invert circuit for receiving feedback signals of the pressure display instrument, an on-off circuit controlling output signals of the invert circuit by force, a drive circuit receiving signals of he invert circuit, an input end connected to the drive circuit and a safely alarm lamp sending out twinkling rays after being connected. According to the gas pressure safety alarm system, on-and-off of an alarm light are controlled by pressure change of gas in the light cavity, and the function of safety alarm is fulfilled. Further the gas pressure safety alarm system can be applied into other devices needed safety alarm. The gas pressure safety alarm system has the advantages of being compact and exquisite in structure, low in cost, safe and reliable, convenient, fast and the like.
Description
Technical field
The present invention relates to the laser equipment warning system, specifically a kind of gaseous tension security alerting system with FEEDBACK CONTROL.
Background technology
Full gas phase iodine laser (AGIL, all gas-phases iodine laser) is a kind of novel iodine laser that passes energy based on NCl (a)-I, and the technology path of AGIL is as follows:
F+DCl-＞DF+Cl
Cl+HN
3-＞HCl+N
3
Cl+N
3-＞NCl(a)+N
2
NCl(a)+I-＞NCl(X)+I
*
I
*+hv(1315nm)-＞I+2hv(1315nm)
From the nineties in last century till now, AGIL has experienced imagination, pulse bright dipping, the continuous stream gain test of discharge scheme, the continuous stream bright dipping of discharge scheme, the preliminary amplification and the conceptual phases such as driving trial of burning of continuous stream of discharge scheme, has obtained progress faster.The optimum working pressure of AGIL optical cavity is the 0.5KPa left and right, if just work is just unstable far above this pressure system.In addition, because the AGIL of burning type of drive belongs to conflagration reaction, in case reaction, system pressure just returns rapidly and raises.As undesired in the optical cavity working pressure, just have the danger that meets accident.Therefore need to build the security alerting system that a cover adapts to this new demand " abnormal to reach at cavity pressure, glimmer the at once purpose of work of security alarm lamp.Can be widely used in simultaneously various chemical lasers (such as " HF laser instrument " etc.).
Summary of the invention
In order to overcome above-mentioned deficiency, the object of the invention is to provide a kind of gaseous tension security alerting system with FEEDBACK CONTROL, in case abnormal, the security alarm lamp glimmers at once at cavity pressure in this system.
For realizing purpose of the present invention, concrete technical scheme comprises:
A kind of gaseous tension security alerting system is used for pressure vessel, comprises pressure display instrument table, pressure transmission device, negate circuit;
Pressure tap in pressure vessel is provided with pressure transmission device, and pressure transmission device is connected by the signal shielding line with the connection terminal of pressure display instrument table; The pressure demonstration of pressure vessel and providing of pressure feedback signal are provided the pressure display instrument table;
The negate circuit, the negate circuit is connected with the feedback output end of pressure display instrument table, receives the feedback signal of pressure display instrument table, and feedback signal is carried out the level negate, output CMOS high-low level;
The solid-state relay switch, with the negate circuit output terminal be connected, receive the output signal of negate circuit;
The output terminal of solid-state relay switch is connected with a security alarm lamp, and when the circuit turn-on of solid-state relay switch, the security alarm lamp sends dazzling flicker radiance.
Described negate circuit adopt " reverse buffer " with " power MOSFET " circuit realizes, one input pin of reverse buffer (U1) is sampled to feedback signal, output signal by an output pin with (U1) and the other several groups of input pins that the connect negate again of contacting, output signal is connected to the G level of MOSFET circuit; The D level of MOSFET circuit is exported as negate.
And the other several groups of input pins that connect refer to all the other input pins except the reverse buffer that feedback signal is sampled (U1) input pin;
One switch, the D level of one end ground connection, another termination MOSFET circuit, it act as: before system moves, the input of solid-state relay switch is forced to control, guarantee not conducting of driving switch, system is equivalent to wire when moving.
Described switch adopts keyswitch with lock, and the D level the MOSFET circuit when system does not work is connected to the ground, and guarantees the not conducting of solid-state relay switch.
The solid-state relay switch adopts bidirectional triode thyristor, and input control is 3-32V, and output connects alternating current 220V.
Described security alarm lamp supply voltage is 220VAC, and it is connected with the 220VAC external power;
The pressure display instrument table is connected with the 220VAC external power with the negate circuit, and pressure transmission device is connected with 24V direct current external power.
Make electronic circuit board, decision circuitry and driving circuit are welded thereon.Then wiring board, power supply and pressure display instrument table rational deployment thereof are made into instrument in the box of 800 * 600 * 400mm.With connection terminal Bonding pressure transmitter and test instrumentation.Its principle assumption diagram as shown in Figure 1.
The invention has the beneficial effects as follows:
1, the present invention can realize security alarm lamp security alarm fast by pressure display instrument table FEEDBACK CONTROL, can rapid reaction AGIL etc. the cavity pressure abnormal occurrence of experimental provision.
2, due to the convenience of pressure feedback instrument to pressure setting, extremely also can report to the police to testing front cavity pressure, played the purpose that before the experiment, system state checks.
3, the present invention is used for full gas chemistry laser instrument and HF laser instrument thereof, can realize fast security alarm.This technological invention compact conformation is small and exquisite, and expense is cheap, and the power saving that saves time is convenient and swift.
Description of drawings
Fig. 1 is system architecture diagram of the present invention.
Fig. 2 is the circuit theory diagrams of negate circuit in Fig. 1.
Embodiment
The present invention discloses a kind of security alerting system, and this system comprises: pressure unit; The pressure display instrument table that is connected with optical cavity by pressure unit; Receive the negate circuit of the feedback signal of pressure display instrument table; Can be to the positively controlled on-off circuit that carries out of negate circuit output; Receive the driving circuit of negate circuit signal; Input the termination driving circuit, can send the security alarm lamp of flicker radiance after conducting.The present invention changes to control the switch of alarm lamp by the pressure of gas in optical cavity, play the effect of security alarm.And can be used for other and need the device of security alarm.Also has compact conformation small and exquisite, the characteristics such as expense is cheap, and is safe and reliable, convenient and swift.
As shown in Figure 1, structure of the present invention comprises:
Comprise pressure display instrument table 2, pressure transmission device 1, negate circuit 3;
Pressure tap in pressure vessel is provided with pressure transmission device 1, and pressure transmission device 1 is connected by the signal shielding line with the connection terminal of pressure display instrument table 2; The pressure demonstration of pressure vessel and providing of pressure feedback signal are provided pressure display instrument table 2;
Negate circuit 3, negate circuit 3 is connected with the feedback output end of pressure display instrument table 2, receives the feedback signal of pressure display instrument table 2, and feedback signal is carried out the level negate, output CMOS high-low level;
Solid-state relay switch 5, with negate circuit 3 output terminal be connected, receive the output signal of negate circuit 3;
The output terminal of solid-state relay switch 5 is connected with a security alarm lamp 6, and when the circuit turn-on of solid-state relay switch 5, security alarm lamp 6 sends dazzling flicker radiance.
As shown in Figure 2, the input pin of reverse buffer U1 is sampled to feedback signal, and output signal is by the negate again of contacting of an output pin and U1 and the other several groups of input pins that connect, and output signal is connected to the G level of MOSFET circuit; The D level of MOSFET circuit is exported as negate.
Described on-off circuit adopts keyswitch with lock, and the D level the MOSFET circuit when system does not work is connected to the ground, and guarantees not conducting of driving switch.
The solid-state relay switch adopts bidirectional triode thyristor, and input control is 3-32V, and output connects alternating current 220V.
Security alarm lamp piezoelectric voltage is 220VAC.
The course of work of system is as follows:
1 switches on power.
2 press switch.
The 3 warning working pressures by pressure display instrument table set pressure container.
4 when vessel internal pressure power during less than alarm pressure, and system is without any reaction.
5 when vessel internal pressure power during greater than alarm pressure, and the security alarm lamp glimmers at once, sends dazzling flicker radiance.
Claims (6)
1. a gaseous tension security alerting system, be used for pressure vessel, it is characterized in that: comprise pressure display instrument table (2), pressure transmission device (1), negate circuit (3);
Pressure tap in pressure vessel is provided with pressure transmission device (1), and pressure transmission device (1) is connected by the signal shielding line with the connection terminal of pressure display instrument table (2); The pressure demonstration of pressure vessel and providing of pressure feedback signal are provided pressure display instrument table (2);
Negate circuit (3), negate circuit (3) is connected with the feedback output end of pressure display instrument table (2), receives the feedback signal of pressure display instrument table (2), and feedback signal is carried out the level negate, output CMOS high-low level;
Solid-state relay switch (5), with negate circuit (3) output terminal be connected, receive the output signal of negate circuit (3);
The output terminal of solid-state relay switch (5) is connected with a security alarm lamp (6), and when the circuit turn-on of solid-state relay switch (5), security alarm lamp (6) sends dazzling flicker radiance.
2. security alerting system according to claim 1, it is characterized in that: described negate circuit adopt " reverse buffer " with " power MOSFET " circuit realizes, one input pin of reverse buffer (U1) is sampled to feedback signal, output signal by an output pin with (U1) and the other several groups of input pins that the connect negate again of contacting, output signal is connected to the G level of MOSFET circuit; The D level of MOSFET circuit is exported as negate.
3. security alerting system according to claim 2 is characterized in that:
One switch (4), the D level of one end ground connection, another termination MOSFET circuit, it act as: before system moves, solid-state relay switch (5) input is forced to control, guarantee not conducting of driving switch, system is equivalent to wire when moving.
4. security alerting system according to claim 3, it is characterized in that: described switch adopts keyswitch with lock, and the D level the MOSFET circuit when system does not work is connected to the ground, and guarantees not conducting of solid-state relay switch (5).
5. security alerting system according to claim 1, it is characterized in that: solid-state relay switch (5) adopts bidirectional triode thyristor, and input control is 3-32V, and output connects alternating current 220V.
6. security alerting system according to claim 1, it is characterized in that: described security alarm lamp (6) supply voltage is 220VAC, and it is connected with the 220VAC external power; Pressure display instrument table (2) is connected with the 220VAC external power with negate circuit (3), and pressure transmission device (1) is connected with 24V direct current external power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103936039A CN103134634A (en) | 2011-12-01 | 2011-12-01 | Gas pressure safety alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103936039A CN103134634A (en) | 2011-12-01 | 2011-12-01 | Gas pressure safety alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103134634A true CN103134634A (en) | 2013-06-05 |
Family
ID=48494759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103936039A Pending CN103134634A (en) | 2011-12-01 | 2011-12-01 | Gas pressure safety alarm system |
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| Country | Link |
|---|---|
| CN (1) | CN103134634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979742A (en) * | 2014-04-11 | 2015-10-14 | 中国科学院大连化学物理研究所 | Chemical oxygen-iodine laser optical resonant cavity adjusting and monitoring system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080720A (en) * | 1992-06-23 | 1994-01-12 | 核工业理化工程研究院 | Laser cooling water pressure shows and warning system automatically |
| US5283552A (en) * | 1993-01-14 | 1994-02-01 | David Sol | Water plumbing instrumentation and control system for recreational vehicles and marine vessels |
| CN2601351Y (en) * | 2003-01-13 | 2004-01-28 | 陈国庆 | Power failure emergency lamp with fuel gas warning device |
| CN201037978Y (en) * | 2007-06-02 | 2008-03-19 | 山西乡镇企业焦炭供销有限责任公司 | Alarming top light on taxi roof |
-
2011
- 2011-12-01 CN CN2011103936039A patent/CN103134634A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1080720A (en) * | 1992-06-23 | 1994-01-12 | 核工业理化工程研究院 | Laser cooling water pressure shows and warning system automatically |
| US5283552A (en) * | 1993-01-14 | 1994-02-01 | David Sol | Water plumbing instrumentation and control system for recreational vehicles and marine vessels |
| CN2601351Y (en) * | 2003-01-13 | 2004-01-28 | 陈国庆 | Power failure emergency lamp with fuel gas warning device |
| CN201037978Y (en) * | 2007-06-02 | 2008-03-19 | 山西乡镇企业焦炭供销有限责任公司 | Alarming top light on taxi roof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979742A (en) * | 2014-04-11 | 2015-10-14 | 中国科学院大连化学物理研究所 | Chemical oxygen-iodine laser optical resonant cavity adjusting and monitoring system and method |
| CN104979742B (en) * | 2014-04-11 | 2018-01-16 | 中国科学院大连化学物理研究所 | COIL optical resonator adjusts and monitoring system and method |
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Application publication date: 20130605 |